src/server/plugins/postgresql/webdav.c

Fri, 10 Mar 2023 23:00:02 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Fri, 10 Mar 2023 23:00:02 +0100
changeset 460
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parent 415
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child 479
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permissions
-rw-r--r--

resourcepool_free should remove the resource from the request resource cache

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1 /*
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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3 *
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4 * Copyright 2022 Olaf Wintermann. All rights reserved.
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5 *
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6 * Redistribution and use in source and binary forms, with or without
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7 * modification, are permitted provided that the following conditions are met:
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8 *
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9 * 1. Redistributions of source code must retain the above copyright
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10 * notice, this list of conditions and the following disclaimer.
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11 *
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12 * 2. Redistributions in binary form must reproduce the above copyright
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13 * notice, this list of conditions and the following disclaimer in the
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14 * documentation and/or other materials provided with the distribution.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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26 * POSSIBILITY OF SUCH DAMAGE.
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27 */
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28
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29 #include "webdav.h"
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30 #include "vfs.h"
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31 #include "config.h"
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32
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33 #include "../../util/util.h"
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34 #include "../../util/pblock.h"
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35
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36 #include "../../daemon/http.h" // etag
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37
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38 #include <cx/buffer.h>
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39 #include <cx/utils.h>
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40 #include <cx/printf.h>
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41 #include <libxml/tree.h>
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42
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43
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44 static WebdavBackend pg_webdav_backend = {
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45 pg_dav_propfind_init,
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46 pg_dav_propfind_do,
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47 pg_dav_propfind_finish,
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48 pg_dav_proppatch_do,
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49 pg_dav_proppatch_finish,
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50 NULL, // opt_mkcol
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51 NULL, // opt_mkcol_finish
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52 NULL, // opt_delete
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53 NULL, // opt_delete_finish
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54 0,
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55 NULL,
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56 NULL
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57 };
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58
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59
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60
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61 /*
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62 * SQL query components
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63 */
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64
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65 /*
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66 * PROPFIND queries are build from components:
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67 *
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68 * cte cte_recursive or empty
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69 * select
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70 * ppath ppath column
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71 * cols list of columns
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72 * ext_cols* list of extension columns
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73 * from from [table] / from cte
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74 * prop_join join with property table, allprop or plist
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75 * ext_join* extension table join
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76 * where different where clauses for depth0 and depth1
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77 * order depth0 doesn't need order
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78 */
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79
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80 static const char *sql_propfind_cte_recursive = "\
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81 with recursive resolvepath as (\n\
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82 select\n\
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83 '' as ppath,\n\
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84 *\n\
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85 from Resource\n\
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86 where resource_id = $1 \n\
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87 union\n\
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88 select\n\
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89 p.ppath || '/' || r.nodename,\n\
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90 r.*\n\
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91 from Resource r\n\
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92 inner join resolvepath p on r.parent_id = p.resource_id\n\
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93 )\n";
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94
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95 static const char *sql_propfind_select = "\
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96 select\n";
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97
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98 static const char *sql_propfind_ppath_depth0 = "\
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99 $2::text as ppath,\n";
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100
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101 static const char *sql_propfind_ppath_depth1 = "\
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102 case when r.resource_id = $1 then $2\n\
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103 else $2 || '/' || r.nodename\n\
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104 end as ppath,\n";
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105
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106 static const char *sql_propfind_ppath_depth_infinity = "\
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107 case when r.resource_id = $1 then $2\n\
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108 else $2 || r.ppath\n\
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109 end as ppath,\n";
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110
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111 static const char *sql_propfind_cols = "\
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112 r.resource_id,\n\
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113 r.parent_id,\n\
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114 r.nodename,\n\
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115 r.iscollection,\n\
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116 r.lastmodified,\n\
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117 r.creationdate,\n\
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118 r.contentlength,\n\
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119 r.etag,\n\
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120 p.prefix,\n\
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121 p.xmlns,\n\
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122 p.pname,\n\
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123 p.lang,\n\
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124 p.nsdeflist,\n\
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125 p.pvalue\n";
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126
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127 static const char *sql_propfind_from_table = "\
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128 from Resource r\n";
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129
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130 static const char *sql_propfind_from_cte = "\
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131 from resolvepath r\n";
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132
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133 static const char *sql_propfind_propjoin_allprop = "\
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134 left join Property p on r.resource_id = p.resource_id\n";
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135
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136 static const char *sql_propfind_propjoin_plist = "\
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137 left join (\n\
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138 select p.* from Property p\
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139 inner join (select unnest($3::text[]) as xmlns, unnest($4::text[]) as pname) n\n\
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140 on p.xmlns = n.xmlns and p.pname = n.pname\n\
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141 ) p on r.resource_id = p.resource_id\n";
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142
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143 static const char *sql_propfind_where_depth0 = "\
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144 where r.resource_id = $1\n";
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145
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146 static const char *sql_propfind_where_depth1 = "\
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147 where r.resource_id = $1 or r.parent_id = $1\n";
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148
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149 static const char *sql_propfind_order_depth1 = "\
401
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150 order by case when r.resource_id = $1 then 0 else 1 end, r.nodename, r.resource_id";
375
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151
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152 static const char *sql_propfind_order_depth_infinity = "\
401
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153 order by replace(ppath, '/', chr(1)), r.resource_id";
375
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154
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155 /*
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156 * SQL Queries
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157 */
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158
306
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159
318
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160 // proppatch: set property
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161 // params: $1: resource_id
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162 // $2: xmlns prefix
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163 // $3: xmlns href
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164 // $4: property name
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165 // $5: lang attribute value
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166 // $6: namespace list string
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167 // $7: property value
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168 static const char *sql_proppatch_set = "\
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169 insert into Property(resource_id, prefix, xmlns, pname, lang, nsdeflist, pvalue)\n\
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170 values($1, $2, $3, $4, $5, $6, $7)\n\
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171 on conflict (resource_id, xmlns, pname) do\n\
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172 update set prefix=$2, lang=$5, nsdeflist=$6, pvalue=$7;";
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173
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174 // proppatch: remove property
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175 // params: $1: resource_id
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176 // $2: xmlns href
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177 // $3: property name
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178 static const char *sql_proppatch_remove = "\
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179 delete from Property where resource_id = $1 and xmlns = $2 and pname = $3";
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180
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181
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182 void* pg_webdav_init(ServerConfiguration *cfg, pool_handle_t *pool, WSConfigNode *config) {
372
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183 return pg_init_repo(cfg, pool, config);
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184 }
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185
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186 WebdavBackend* pg_webdav_create(Session *sn, Request *rq, pblock *pb, void *initData) {
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187 PgRepository *repo = initData;
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188
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189 char *resource_pool;
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190 if(repo) {
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191 resource_pool = repo->resourcepool.ptr;
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192 } else {
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193 // resourcepool is required
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194 resource_pool = pblock_findval("resourcepool", pb);
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195 if(!resource_pool) {
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196 log_ereport(LOG_MISCONFIG, "pg_webdav_create: missing resourcepool parameter");
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197 return NULL;
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198 }
303
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199 }
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200
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201 // get the resource first (should only fail in case of misconfig)
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202 ResourceData *resdata = resourcepool_lookup(sn, rq, resource_pool, 0);
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203 if(!resdata) {
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204 log_ereport(LOG_MISCONFIG, "postgresql webdav: resource pool %s not found", resource_pool);
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205 return NULL;
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206 }
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207
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208 return pg_webdav_create_from_resdata(sn, rq, repo, resdata);
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209 }
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210
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211 WebdavBackend* pg_webdav_create_from_resdata(Session *sn, Request *rq, PgRepository *repo, ResourceData *resdata) {
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212 WebdavBackend *webdav = pool_malloc(sn->pool, sizeof(WebdavBackend));
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213 if(!webdav) {
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214 return NULL;
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215 }
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216 *webdav = pg_webdav_backend;
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217
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218 PgWebdavBackend *instance = pool_malloc(sn->pool, sizeof(PgWebdavBackend));
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219 if(!instance) {
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220 pool_free(sn->pool, webdav);
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221 return NULL;
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222 }
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223 webdav->instance = instance;
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224
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225 instance->pg_resource = resdata;
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226 instance->connection = resdata->data;
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227
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228 instance->repository = repo;
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229 snprintf(instance->root_resource_id_str, 32, "%" PRId64, repo->root_resource_id);
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230
303
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231 return webdav;
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232 }
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233
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234 WebdavBackend* pg_webdav_prop_create(Session *sn, Request *rq, pblock *pb) {
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235 return NULL;
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236 }
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237
315
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238 /*
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239 * adds str to the buffer
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240 * some characters will be escaped: \,{}
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241 */
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242 static void buf_addstr_escaped(CxBuffer *buf, const char *str) {
315
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243 size_t len = strlen(str);
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244 for(size_t i=0;i<len;i++) {
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245 char c = str[i];
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246 if(c == '{' || c == '}' || c == ',' || c == '\\') {
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247 cxBufferPut(buf, '\\');
315
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248 }
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249 cxBufferPut(buf, c);
315
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250 }
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251 }
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252
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253 /*
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254 * convert a property list to two pg array parameter strings
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255 * array format: {elm1,elm2,elm3}
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256 * xmlns: buffer for the xmlns array
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257 * pname: buffer for the property name array
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258 *
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259 * returns 0 on success, 1 otherwise
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260 */
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261 int pg_create_property_param_arrays(WebdavPList *plist, CxBuffer *xmlns, CxBuffer *pname) {
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262 cxBufferPut(xmlns, '{');
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263 cxBufferPut(pname, '{');
315
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264 while(plist) {
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265 WebdavProperty *property = plist->property;
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266 if(property && property->namespace && property->namespace->href && property->name) {
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267 buf_addstr_escaped(xmlns, (const char*)property->namespace->href);
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268 buf_addstr_escaped(pname, (const char*)property->name);
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269 if(plist->next) {
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270 cxBufferPut(xmlns, ',');
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271 cxBufferPut(pname, ',');
315
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272 }
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273 }
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274 plist = plist->next;
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275 }
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276 int r1 = cxBufferWrite("}\0", 2, 1, xmlns) == 0;
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277 int r2 = cxBufferWrite("}\0", 2, 1, pname) == 0;
315
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278 return r1+r2 != 0;
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279 }
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280
303
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281
376
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282 static int propfind_ext_cmp(const void *f1, const void *f2) {
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283 const PgPropfindExtCol *e1 = f1;
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284 const PgPropfindExtCol *e2 = f2;
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285
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286 if(e1->ext->tableindex != e2->ext->tableindex) {
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287 return e1->ext->tableindex < e2->ext->tableindex ? -1 : 1;
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288 }
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289
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290 return 0;
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291 }
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292
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293
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294 static int pg_create_propfind_query(
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295 WebdavPropfindRequest *rq,
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296 WSBool iscollection,
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297 PgPropfindExtCol *ext,
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298 size_t numext,
415
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299 CxBuffer *sql)
376
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300 {
375
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301 PgWebdavBackend *pgdav = rq->dav->instance;
376
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302 PgRepository *repo = pgdav->repository;
375
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303 int depth = !iscollection ? 0 : rq->depth;
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304
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305 /*
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306 * PROPFIND queries are build from components:
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307 *
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308 * cte cte_recursive or empty
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309 * select
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310 * ppath ppath column
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311 * cols list of columns
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312 * ext_cols* list of extension columns
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313 * from from [table] / from cte
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314 * prop_join join with property table, allprop or plist
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315 * ext_join* extension table join
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316 * where different where clauses for depth0 and depth1
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317 * order depth0 doesn't need order
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318 */
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319
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320 // CTE
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321 if(depth == -1) {
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322 cxBufferPutString(sql, sql_propfind_cte_recursive);
375
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323 }
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324
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325 // select
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326 cxBufferPutString(sql, sql_propfind_select);
375
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327
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328 // ppath
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329 switch(depth) {
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330 case 0: cxBufferPutString(sql, sql_propfind_ppath_depth0); break;
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331 case 1: cxBufferPutString(sql, sql_propfind_ppath_depth1); break;
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332 case -1: cxBufferPutString(sql, sql_propfind_ppath_depth_infinity); break;
375
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333 }
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334
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335 // cols
415
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336 cxBufferPutString(sql, sql_propfind_cols);
375
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337
376
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338 // ext_cols
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339 if(ext) {
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340 if(rq->allprop) {
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341 for(int i=0;i<repo->ntables;i++) {
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342 cx_bprintf(sql, ",x%d.*\n", i);
376
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343 }
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344 } else {
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345 for(int i=0;i<numext;i++) {
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346 PgPropfindExtCol e = ext[i];
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347 cx_bprintf(sql, ",x%d.%s\n", e.ext->tableindex, e.ext->column);
376
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348 }
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349 }
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350 }
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351
375
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352 // from
415
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353 cxBufferPutString(sql, depth == -1 ? sql_propfind_from_cte : sql_propfind_from_table);
375
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354
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355 // prop join
415
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356 cxBufferPutString(sql, rq->allprop ? sql_propfind_propjoin_allprop : sql_propfind_propjoin_plist);
375
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357
376
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358 // ext_join
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359 if(ext) {
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360 if(rq->allprop) {
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361 for(int i=0;i<repo->ntables;i++) {
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362 cx_bprintf(sql, "left join %s x%d on r.resource_id = x%d.resource_id\n", repo->tables[i].table, i, i);
376
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363 }
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364 } else {
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365 int tab = -1;
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366 for(int i=0;i<numext;i++) {
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367 PgPropfindExtCol e = ext[i];
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368 if(e.ext->tableindex != tab) {
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369 tab = e.ext->tableindex;
415
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370 cx_bprintf(sql, "left join %s x%d on r.resource_id = x%d.resource_id\n", repo->tables[tab].table, tab, tab);
376
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371 }
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372 }
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373 }
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374
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375 }
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376
375
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377 // where
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378 if(depth == 0) {
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379 cxBufferPutString(sql, sql_propfind_where_depth0);
375
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380 } else if(depth == 1) {
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381 cxBufferPutString(sql, sql_propfind_where_depth1);
375
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382 }
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383
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384 // order
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385 if(depth == 1) {
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386 cxBufferPutString(sql, sql_propfind_order_depth1);
375
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387 } else if(depth == -1) {
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388 cxBufferPutString(sql, sql_propfind_order_depth_infinity);
375
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389 }
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390
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391 // end
415
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392 cxBufferWrite(";\0", 1, 2, sql);
401
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393
375
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394 return 0;
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395 }
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396
299
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397 int pg_dav_propfind_init(
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398 WebdavPropfindRequest *rq,
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399 const char *path,
307
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400 const char *href,
299
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401 WebdavPList **outplist)
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402 {
306
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403 PgWebdavBackend *pgdav = rq->dav->instance;
415
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404 CxAllocator *a = pool_allocator(rq->sn->pool);
306
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405
376
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406 // first, check if the resource exists
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407 // if it doesn't exist, we can return immediately
306
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408 int64_t parent_id;
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409 int64_t resource_id;
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410 const char *resourcename;
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diff changeset
411 WSBool iscollection;
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412 int res_errno = 0;
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413 int err = pg_resolve_path(
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diff changeset
414 pgdav->connection,
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diff changeset
415 path,
374
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416 pgdav->root_resource_id_str,
306
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diff changeset
417 &parent_id,
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diff changeset
418 &resource_id,
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diff changeset
419 NULL, // OID
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diff changeset
420 &resourcename,
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421 &iscollection,
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422 NULL, // stat
346
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diff changeset
423 NULL, // etag
306
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424 &res_errno);
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425
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426 if(err) {
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427 if(res_errno == ENOENT) {
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diff changeset
428 protocol_status(rq->sn, rq->rq, PROTOCOL_NOT_FOUND, NULL);
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diff changeset
429 }
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430 return 1;
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431 }
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diff changeset
432
380
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diff changeset
433 // store resource_id in rq->vars, maybe some other modules
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diff changeset
434 // like to use it
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diff changeset
435 char resource_id_str[32];
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diff changeset
436 snprintf(resource_id_str, 32, "%" PRId64, resource_id);
415
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diff changeset
437 pblock_nvinsert("resource_id", resource_id_str, rq->rq->vars);
380
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diff changeset
438
376
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diff changeset
439 // create a list of requsted extended properties
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diff changeset
440 PgPropfindExtCol *ext;
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diff changeset
441 size_t numext;
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diff changeset
442 if(pgdav->repository->ntables == 0) {
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443 // no property extensions configured
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444 ext = NULL;
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445 numext = 0;
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diff changeset
446 } else {
415
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447 numext = pgdav->repository->prop_ext->size;
376
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448 ext = pool_calloc(rq->sn->pool, numext, sizeof(PgPropfindExtCol));
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449
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450 if(rq->allprop) {
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diff changeset
451 // the map pgdav->repository->prop_ext contains all property extensions
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diff changeset
452 // we can just convert the map to an array
415
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453 CxIterator i = cxMapIteratorValues(pgdav->repository->prop_ext);
376
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diff changeset
454 int j = 0;
415
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455 cx_foreach(PgPropertyStoreExt *, cfg_ext, i) {
376
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456 PgPropfindExtCol extcol;
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457 extcol.ext = cfg_ext;
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458 extcol.field_num = -1; // get the field_num after the PQexec
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diff changeset
459 ext[j++] = extcol;
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460 }
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diff changeset
461 } else {
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462 WebdavPListIterator i = webdav_plist_iterator(outplist);
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463 WebdavPList *cur;
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464 int j = 0;
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465 while(webdav_plist_iterator_next(&i, &cur)) {
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466 WSNamespace *ns = cur->property->namespace;
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diff changeset
467 if(ns) {
415
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468 CxHashKey pkey = webdav_property_key((const char*)ns->href, cur->property->name);
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diff changeset
469 PgPropertyStoreExt *cfg_ext = cxMapGet(pgdav->repository->prop_ext, pkey);
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diff changeset
470 free(pkey.data.bytes);
376
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diff changeset
471 if(cfg_ext) {
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diff changeset
472 PgPropfindExtCol extcol;
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diff changeset
473 extcol.ext = cfg_ext;
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diff changeset
474 extcol.field_num = -1; // get the field_num after the PQexec
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diff changeset
475 ext[j++] = extcol;
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diff changeset
476
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diff changeset
477 webdav_plist_iterator_remove_current(&i);
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parents: 375
diff changeset
478 }
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diff changeset
479 }
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diff changeset
480 }
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diff changeset
481 numext = j;
61d481d3c2e4 Add support for extended properties in pg propfind
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diff changeset
482 }
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diff changeset
483
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diff changeset
484 qsort(ext, numext, sizeof(PgPropfindExtCol), propfind_ext_cmp);
61d481d3c2e4 Add support for extended properties in pg propfind
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diff changeset
485 }
61d481d3c2e4 Add support for extended properties in pg propfind
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diff changeset
486
375
32b8017f5308 build pg propfind query from components
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diff changeset
487 // create sql query
306
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488 const char *query = NULL;
415
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diff changeset
489 CxBuffer sql;
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diff changeset
490 if(cxBufferInit(&sql, NULL, 2048, a, CX_BUFFER_AUTO_EXTEND|CX_BUFFER_FREE_CONTENTS)) {
306
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491 return 1;
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diff changeset
492 }
415
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diff changeset
493
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diff changeset
494 if(pg_create_propfind_query(rq, iscollection, ext, numext, &sql)) {
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495 return 1;
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diff changeset
496 }
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diff changeset
497 query = sql.space;
306
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diff changeset
498
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499 // get all resources and properties
307
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500 size_t href_len = strlen(href);
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diff changeset
501 char *href_param = pool_malloc(rq->sn->pool, href_len + 1);
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502 memcpy(href_param, href, href_len);
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503 if(href_param[href_len-1] == '/') {
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504 href_len--;
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505 }
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diff changeset
506 href_param[href_len] = '\0';
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diff changeset
507
315
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diff changeset
508 // if allprop is false, create array pair for xmlns/property names
415
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diff changeset
509 CxBuffer xmlns_buf;
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diff changeset
510 CxBuffer pname_buf;
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diff changeset
511 WSBool buf_initialized = FALSE;
315
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diff changeset
512 char *xmlns_param = NULL;
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diff changeset
513 char *pname_param = NULL;
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diff changeset
514 int nparam = 2;
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diff changeset
515 if(!rq->allprop) {
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parents: 314
diff changeset
516 size_t bufsize = rq->propcount < 200 ? 8 + rq->propcount * 32 : 4096;
415
d938228c382e switch from ucx 2 to 3
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parents: 402
diff changeset
517 if(cxBufferInit(&xmlns_buf, NULL, bufsize, a, CX_BUFFER_AUTO_EXTEND|CX_BUFFER_FREE_CONTENTS)) {
315
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diff changeset
518 return 1;
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parents: 314
diff changeset
519 }
415
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diff changeset
520 if(cxBufferInit(&pname_buf, NULL, bufsize, a, CX_BUFFER_AUTO_EXTEND|CX_BUFFER_FREE_CONTENTS)) {
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parents: 402
diff changeset
521 cxBufferDestroy(&xmlns_buf);
315
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522 return 1;
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diff changeset
523 }
415
d938228c382e switch from ucx 2 to 3
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parents: 402
diff changeset
524 if(pg_create_property_param_arrays(*outplist, &xmlns_buf, &pname_buf)) {
d938228c382e switch from ucx 2 to 3
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parents: 402
diff changeset
525 cxBufferDestroy(&xmlns_buf);
d938228c382e switch from ucx 2 to 3
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parents: 402
diff changeset
526 cxBufferDestroy(&pname_buf);
315
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diff changeset
527 return 1;
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parents: 314
diff changeset
528 }
415
d938228c382e switch from ucx 2 to 3
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diff changeset
529 buf_initialized = TRUE;
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parents: 402
diff changeset
530 xmlns_param = xmlns_buf.space;
d938228c382e switch from ucx 2 to 3
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parents: 402
diff changeset
531 pname_param = pname_buf.space;
315
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diff changeset
532 nparam = 4;
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parents: 314
diff changeset
533 }
307
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diff changeset
534
415
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parents: 402
diff changeset
535
d938228c382e switch from ucx 2 to 3
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parents: 402
diff changeset
536
315
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diff changeset
537 const char* params[4] = { resource_id_str, href_param, xmlns_param, pname_param };
306
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diff changeset
538 PGresult *result = PQexecParams(
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diff changeset
539 pgdav->connection,
315
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diff changeset
540 query,
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diff changeset
541 nparam, // number of parameters
306
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diff changeset
542 NULL,
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diff changeset
543 params, // parameter value
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diff changeset
544 NULL,
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diff changeset
545 NULL,
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diff changeset
546 0); // 0: result in text format
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diff changeset
547 int nrows = PQntuples(result);
307
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diff changeset
548 pool_free(rq->sn->pool, href_param);
415
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parents: 402
diff changeset
549 if(buf_initialized) {
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parents: 402
diff changeset
550 cxBufferDestroy(&xmlns_buf);
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parents: 402
diff changeset
551 cxBufferDestroy(&pname_buf);
315
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diff changeset
552 }
306
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diff changeset
553 if(nrows < 1) {
401
d2bfd11d3f8f fix invalid propfind pg queries created for allprop requests on collections
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 384
diff changeset
554 // we resolved the path, so the resource exists and nrows should
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parents: 384
diff changeset
555 // be >= 1
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parents: 384
diff changeset
556 if(PQresultStatus(result) != PGRES_TUPLES_OK) {
d2bfd11d3f8f fix invalid propfind pg queries created for allprop requests on collections
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parents: 384
diff changeset
557 log_ereport(LOG_FAILURE, "pg_dav_propfind_init: %s", PQerrorMessage(pgdav->connection));
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diff changeset
558 }
306
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diff changeset
559 PQclear(result);
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560 return 1;
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diff changeset
561 }
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diff changeset
562
300
0e3f275b2492 add instance field to webdav backend struct
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parents: 299
diff changeset
563 PgPropfind *pg = pool_malloc(rq->sn->pool, sizeof(PgPropfind));
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parents: 299
diff changeset
564 rq->userdata = pg;
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parents: 299
diff changeset
565
306
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diff changeset
566 pg->path = path;
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diff changeset
567 pg->resource_id = resource_id;
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568 pg->vfsproperties = webdav_vfs_properties(outplist, TRUE, rq->allprop, 0);
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569 pg->result = result;
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570 pg->nrows = nrows;
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571
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572 pg->ext = ext;
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573 pg->numext = numext;
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574 if(ext) {
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575 // get field_nums for all property extensions
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576 for(int i=0;i<numext;i++) {
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577 PgPropfindExtCol *c = &ext[i];
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578 c->field_num = PQfnumber(result, c->ext->column);
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579 }
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580 }
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581
306
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582 return 0;
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583 }
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584
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585 int pg_dav_propfind_do(
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586 WebdavPropfindRequest *rq,
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587 WebdavResponse *response,
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588 VFS_DIR parent,
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589 WebdavResource *resource,
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590 struct stat *s)
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591 {
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592 PgPropfind *pg = rq->userdata;
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593 pool_handle_t *pool = rq->sn->pool;
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594 PGresult *result = pg->result;
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595 WebdavVFSProperties vfsprops = pg->vfsproperties;
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596
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597 WSBool vfsprops_set = 0; // are live properties added to the response?
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598 WSBool extprops_set = 0; // are extended properties added to the response?
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599 int64_t current_resource_id = pg->resource_id;
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600 for(int r=0;r<pg->nrows;r++) {
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601 // columns:
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602 // 0: path
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603 // 1: resource_id
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604 // 2: parent_id
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605 // 3: nodename
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606 // 4: iscollection
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607 // 5: lastmodified
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608 // 6: creationdate
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609 // 7: contentlength
348
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610 // 8: etag
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611 // 9: property prefix
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612 // 10: property xmlns
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613 // 11: property name
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614 // 12: property lang
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615 // 13: property nsdeflist
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616 // 14: property value
306
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617
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618 char *path = PQgetvalue(result, r, 0);
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619 char *res_id = PQgetvalue(result, r, 1);
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620 char *iscollection_str = PQgetvalue(result, r, 4);
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621 WSBool iscollection = iscollection_str && iscollection_str[0] == 't';
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622 int64_t resource_id;
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623 if(!util_strtoint(res_id, &resource_id)) {
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624 log_ereport(LOG_FAILURE, "pg_dav_propfind_do: cannot convert resource_id '%s' to int", res_id);
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625 return 1;
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626 }
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627
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628 if(resource_id != current_resource_id) {
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629 // create a href string for the new resource
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630 // if the resource is a collection, it should have a trailing '/'
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631 size_t pathlen = strlen(path);
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632 if(pathlen == 0) {
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633 log_ereport(LOG_FAILURE, "pg_dav_propfind_do: query returned invalid path");
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634 return 1;
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635 }
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636 if(pathlen > PG_MAX_PATH_LEN) {
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637 log_ereport(LOG_FAILURE, "pg_dav_propfind_do: path too long: resource_id: %s", res_id);
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638 return 1;
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639 }
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640 char *newres_href = pool_malloc(pool, (pathlen*3)+2);
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641 util_uri_escape(newres_href, path);
307
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642 if(iscollection && path[pathlen-1] != '/') {
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643 size_t newres_href_len = strlen(newres_href);
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644 newres_href[newres_href_len] = '/';
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645 newres_href[newres_href_len+1] = '\0';
307
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646 }
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647
306
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648 // new resource
307
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649 resource = response->addresource(response, newres_href);
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650 vfsprops_set = FALSE;
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651 extprops_set = FALSE;
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652 current_resource_id = resource_id;
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653 }
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654
313
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655 // standard webdav live properties
306
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656 if(!vfsprops_set) {
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657 if(vfsprops.getresourcetype) {
307
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658 if(iscollection) {
306
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659 resource->addproperty(resource, webdav_resourcetype_collection(), 200);
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660 } else {
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661 resource->addproperty(resource, webdav_resourcetype_empty(), 200);
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662 }
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663 }
348
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664
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665 char *lastmodified = PQgetvalue(result, r, 5);
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666 char *contentlength = PQgetvalue(result, r, 7);
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667 time_t t = pg_convert_timestamp(lastmodified);
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668
306
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669 if(vfsprops.getlastmodified) {
311
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670 struct tm tm;
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671 gmtime_r(&t, &tm);
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672
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673 char buf[HTTP_DATE_LEN+1];
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674 strftime(buf, HTTP_DATE_LEN, HTTP_DATE_FMT, &tm);
314
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675 webdav_resource_add_dav_stringproperty(resource, pool, "getlastmodified", buf, strlen(buf));
306
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676 }
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677 if(vfsprops.creationdate) {
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678 char *creationdate = PQgetvalue(result, r, 6);
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679 webdav_resource_add_dav_stringproperty(resource, pool, "creationdate", creationdate, strlen(creationdate));
306
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680 }
314
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681 if(vfsprops.getcontentlength && !iscollection) {
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682 webdav_resource_add_dav_stringproperty(resource, pool, "getcontentlength", contentlength, strlen(contentlength));
306
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683 }
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684 if(vfsprops.getetag) {
348
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685 char *etag = PQgetvalue(result, r, 8);
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686 if(!PQgetisnull(result, r, 8)) {
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687 webdav_resource_add_dav_stringproperty(resource, pool, "getetag", etag, strlen(etag));
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688 } else {
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689 int64_t ctlen;
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690 if(util_strtoint(contentlength, &ctlen)) {
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691 char etag[MAX_ETAG];
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692 http_format_etag(rq->sn, rq->rq, etag, MAX_ETAG, ctlen, t);
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693 webdav_resource_add_dav_stringproperty(resource, pool, "getetag", etag, strlen(etag));
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694 }
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695 }
306
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696 }
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697
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698 vfsprops_set = TRUE;
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699 }
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700
376
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701 if(!extprops_set) {
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702 // extended properties
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703 if(pg->ext) {
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diff changeset
704 for(int extc=0;extc<pg->numext;extc++) {
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diff changeset
705 PgPropfindExtCol ext = pg->ext[extc];
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diff changeset
706 int fieldnum = ext.field_num;
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parents: 375
diff changeset
707
61d481d3c2e4 Add support for extended properties in pg propfind
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parents: 375
diff changeset
708 if(!PQgetisnull(result, r, fieldnum)) {
61d481d3c2e4 Add support for extended properties in pg propfind
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parents: 375
diff changeset
709 char *ext_value = PQgetvalue(result, r, fieldnum);
61d481d3c2e4 Add support for extended properties in pg propfind
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parents: 375
diff changeset
710 int ext_value_len = PQgetlength(result, r, fieldnum);
61d481d3c2e4 Add support for extended properties in pg propfind
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parents: 375
diff changeset
711 char ext_xmlns_prefix[32];
61d481d3c2e4 Add support for extended properties in pg propfind
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parents: 375
diff changeset
712 snprintf(ext_xmlns_prefix, 32, "x%d", ext.ext->tableindex);
61d481d3c2e4 Add support for extended properties in pg propfind
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parents: 375
diff changeset
713
61d481d3c2e4 Add support for extended properties in pg propfind
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 375
diff changeset
714 WebdavProperty *property = pool_malloc(pool, sizeof(WebdavProperty));
61d481d3c2e4 Add support for extended properties in pg propfind
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parents: 375
diff changeset
715 property->lang = NULL;
61d481d3c2e4 Add support for extended properties in pg propfind
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parents: 375
diff changeset
716 property->name = pool_strdup(pool, ext.ext->name);
61d481d3c2e4 Add support for extended properties in pg propfind
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parents: 375
diff changeset
717
61d481d3c2e4 Add support for extended properties in pg propfind
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parents: 375
diff changeset
718 xmlNs *namespace = pool_malloc(pool, sizeof(xmlNs));
61d481d3c2e4 Add support for extended properties in pg propfind
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parents: 375
diff changeset
719 memset(namespace, 0, sizeof(struct _xmlNs));
61d481d3c2e4 Add support for extended properties in pg propfind
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parents: 375
diff changeset
720 namespace->href = (xmlChar*)pool_strdup(pool, ext.ext->ns);
61d481d3c2e4 Add support for extended properties in pg propfind
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parents: 375
diff changeset
721 namespace->prefix = (xmlChar*)pool_strdup(pool, ext_xmlns_prefix);
61d481d3c2e4 Add support for extended properties in pg propfind
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parents: 375
diff changeset
722 property->namespace = namespace;
61d481d3c2e4 Add support for extended properties in pg propfind
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parents: 375
diff changeset
723
61d481d3c2e4 Add support for extended properties in pg propfind
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parents: 375
diff changeset
724 char *content = pool_malloc(pool, ext_value_len+1);
61d481d3c2e4 Add support for extended properties in pg propfind
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parents: 375
diff changeset
725 memcpy(content, ext_value, ext_value_len);
61d481d3c2e4 Add support for extended properties in pg propfind
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parents: 375
diff changeset
726 content[ext_value_len] = '\0';
61d481d3c2e4 Add support for extended properties in pg propfind
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 375
diff changeset
727
61d481d3c2e4 Add support for extended properties in pg propfind
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parents: 375
diff changeset
728 WebdavNSList *nslist = pool_malloc(pool, sizeof(WebdavNSList));
61d481d3c2e4 Add support for extended properties in pg propfind
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parents: 375
diff changeset
729 nslist->namespace = namespace;
61d481d3c2e4 Add support for extended properties in pg propfind
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parents: 375
diff changeset
730 nslist->prev = NULL;
61d481d3c2e4 Add support for extended properties in pg propfind
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parents: 375
diff changeset
731 nslist->next = NULL;
61d481d3c2e4 Add support for extended properties in pg propfind
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diff changeset
732
61d481d3c2e4 Add support for extended properties in pg propfind
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diff changeset
733 property->vtype = WS_VALUE_XML_DATA;
61d481d3c2e4 Add support for extended properties in pg propfind
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parents: 375
diff changeset
734 property->value.data.data = content;
61d481d3c2e4 Add support for extended properties in pg propfind
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parents: 375
diff changeset
735 property->value.data.length = ext_value_len;
61d481d3c2e4 Add support for extended properties in pg propfind
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diff changeset
736 property->value.data.namespaces = nslist;
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diff changeset
737
61d481d3c2e4 Add support for extended properties in pg propfind
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diff changeset
738 resource->addproperty(resource, property, 200);
61d481d3c2e4 Add support for extended properties in pg propfind
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diff changeset
739 }
61d481d3c2e4 Add support for extended properties in pg propfind
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diff changeset
740 }
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diff changeset
741 }
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diff changeset
742
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diff changeset
743 extprops_set = TRUE;
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parents: 375
diff changeset
744 }
61d481d3c2e4 Add support for extended properties in pg propfind
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diff changeset
745
306
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diff changeset
746 // dead properties
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diff changeset
747 if(!PQgetisnull(result, r, 9)) {
348
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parents: 346
diff changeset
748 char *prefix = PQgetvalue(result, r, 9);
bdd31584141f implement etag in pg propfind
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parents: 346
diff changeset
749 char *xmlns = PQgetvalue(result, r, 10);
bdd31584141f implement etag in pg propfind
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parents: 346
diff changeset
750 char *pname = PQgetvalue(result, r, 11);
bdd31584141f implement etag in pg propfind
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parents: 346
diff changeset
751 char *lang = PQgetvalue(result, r, 12);
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parents: 346
diff changeset
752 char *nsdef = PQgetvalue(result, r, 13);
bdd31584141f implement etag in pg propfind
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parents: 346
diff changeset
753 char *pvalue = PQgetvalue(result, r, 14);
317
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diff changeset
754
348
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parents: 346
diff changeset
755 int pvalue_len = PQgetlength(result, r, 14);
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parents: 346
diff changeset
756 WSBool lang_isnull = PQgetisnull(result, r, 12);
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parents: 346
diff changeset
757 WSBool nsdef_isnull = PQgetisnull(result, r, 13);
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parents: 346
diff changeset
758 WSBool pvalue_isnull = PQgetisnull(result, r, 14);
306
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diff changeset
759
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parents: 303
diff changeset
760 WebdavProperty *property = pool_malloc(pool, sizeof(WebdavProperty));
e03737cea6e2 add semi functional pg propfind handler
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diff changeset
761 property->lang = NULL;
e03737cea6e2 add semi functional pg propfind handler
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parents: 303
diff changeset
762 property->name = pool_strdup(pool, pname);
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parents: 303
diff changeset
763
e03737cea6e2 add semi functional pg propfind handler
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parents: 303
diff changeset
764 xmlNs *namespace = pool_malloc(pool, sizeof(xmlNs));
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diff changeset
765 memset(namespace, 0, sizeof(struct _xmlNs));
307
8787cb5ebab3 fix href in pg propfind response
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diff changeset
766 namespace->href = (xmlChar*)pool_strdup(pool, xmlns);
317
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diff changeset
767 namespace->prefix = (xmlChar*)pool_strdup(pool, prefix);
306
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diff changeset
768 property->namespace = namespace;
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diff changeset
769
317
09676b559091 store property prefix in the database
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770 if(!lang_isnull) {
318
60870dbac94f add basic pg proppatch implementation
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771 property->lang = pool_strdup(pool, lang);
317
09676b559091 store property prefix in the database
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772 }
09676b559091 store property prefix in the database
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parents: 315
diff changeset
773
09676b559091 store property prefix in the database
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parents: 315
diff changeset
774 if(!pvalue_isnull) {
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parents: 315
diff changeset
775 char *content = pool_malloc(pool, pvalue_len+1);
09676b559091 store property prefix in the database
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parents: 315
diff changeset
776 memcpy(content, pvalue, pvalue_len);
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parents: 315
diff changeset
777 content[pvalue_len] = '\0';
09676b559091 store property prefix in the database
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parents: 315
diff changeset
778
09676b559091 store property prefix in the database
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parents: 315
diff changeset
779 if(nsdef_isnull) {
09676b559091 store property prefix in the database
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parents: 315
diff changeset
780 property->vtype = WS_VALUE_TEXT;
09676b559091 store property prefix in the database
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parents: 315
diff changeset
781 property->value.text.str = content;
09676b559091 store property prefix in the database
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parents: 315
diff changeset
782 property->value.text.length = pvalue_len;
09676b559091 store property prefix in the database
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parents: 315
diff changeset
783 } else {
376
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diff changeset
784 WebdavNSList *nslist = wsxml_string2nslist(pool, nsdef);
324
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diff changeset
785 property->vtype = WS_VALUE_XML_DATA;
376
61d481d3c2e4 Add support for extended properties in pg propfind
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parents: 375
diff changeset
786 property->value.data.data = content;
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diff changeset
787 property->value.data.length = pvalue_len;
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parents: 375
diff changeset
788 property->value.data.namespaces = nslist;
324
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diff changeset
789
317
09676b559091 store property prefix in the database
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diff changeset
790 }
09676b559091 store property prefix in the database
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parents: 315
diff changeset
791 }
306
e03737cea6e2 add semi functional pg propfind handler
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diff changeset
792
e03737cea6e2 add semi functional pg propfind handler
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parents: 303
diff changeset
793 resource->addproperty(resource, property, 200);
e03737cea6e2 add semi functional pg propfind handler
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diff changeset
794 }
313
3ad0b65ec838 test pg propfind response
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parents: 312
diff changeset
795 }
306
e03737cea6e2 add semi functional pg propfind handler
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diff changeset
796
e03737cea6e2 add semi functional pg propfind handler
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parents: 303
diff changeset
797 return 0;
299
f927ef81a12b add empty pg webdav funcs
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parents:
diff changeset
798 }
f927ef81a12b add empty pg webdav funcs
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
799
f927ef81a12b add empty pg webdav funcs
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
800 int pg_dav_propfind_finish(WebdavPropfindRequest *rq) {
312
f7544e220a0f add pg propfind cleanup
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parents: 311
diff changeset
801 PgPropfind *pg = rq->userdata;
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parents: 311
diff changeset
802 pool_handle_t *pool = rq->sn->pool;
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parents: 311
diff changeset
803 PGresult *result = pg->result;
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parents: 311
diff changeset
804
f7544e220a0f add pg propfind cleanup
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parents: 311
diff changeset
805 PQclear(result);
f7544e220a0f add pg propfind cleanup
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parents: 311
diff changeset
806
306
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diff changeset
807 return 0;
299
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parents:
diff changeset
808 }
f927ef81a12b add empty pg webdav funcs
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parents:
diff changeset
809
318
60870dbac94f add basic pg proppatch implementation
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diff changeset
810 enum PgDavProp {
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diff changeset
811 PG_DAV_PROPPATCH_NOT_ALLOWED = 0,
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diff changeset
812 PG_DAV_CREATIONDATE,
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diff changeset
813 PG_DAV_DISPLAYNAME,
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diff changeset
814 PG_DAV_DEADPROP
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diff changeset
815 };
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diff changeset
816 /*
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817 * checks if the property can be manipulated
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diff changeset
818 */
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diff changeset
819 static enum PgDavProp proppatch_check_dav_prop(const char *name) {
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parents: 317
diff changeset
820 if(!strcmp(name, "getlastmodified")) {
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diff changeset
821 return PG_DAV_PROPPATCH_NOT_ALLOWED;
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diff changeset
822 } else if(!strcmp(name, "getcontentlength")) {
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diff changeset
823 return PG_DAV_PROPPATCH_NOT_ALLOWED;
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diff changeset
824 } else if(!strcmp(name, "resourcetype")) {
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diff changeset
825 return PG_DAV_PROPPATCH_NOT_ALLOWED;
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diff changeset
826 } else if(!strcmp(name, "getetag")) {
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diff changeset
827 return PG_DAV_PROPPATCH_NOT_ALLOWED;
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diff changeset
828 } else if(!strcmp(name, "creationdate")) {
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diff changeset
829 return PG_DAV_CREATIONDATE;
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diff changeset
830 } else if(!strcmp(name, "displayname")) {
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diff changeset
831 return PG_DAV_DISPLAYNAME;
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diff changeset
832 }
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diff changeset
833 return PG_DAV_DEADPROP;
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diff changeset
834 }
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835
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diff changeset
836 typedef struct {
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837 WebdavProperty *creationdate;
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diff changeset
838 WebdavProperty *displayname;
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diff changeset
839 int error;
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840 } PgProppatchOpResult;
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841
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diff changeset
842 typedef int(*pg_proppatch_func)(PgWebdavBackend*, WebdavProppatchRequest*, WebdavResource*, WebdavProperty*, void*);
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843
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diff changeset
844 /*
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845 * This function iterates the property list 'plist',
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846 * analyses if any DAV: property is in the list
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diff changeset
847 * and calls opfunc for the each property
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848 *
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849 * If the property list contains the properties creationdate or displayname,
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850 * the pointers to these properties will be stored in the result structure
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851 */
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852 static PgProppatchOpResult pg_proppatch_op(
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853 PgWebdavBackend *pgdav,
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854 WebdavProppatchRequest *request,
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855 WebdavResource *response,
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856 WebdavPList **plist,
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857 enum PgDavProp forbidden_extra,
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858 pg_proppatch_func opfunc,
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859 void *op_userdata)
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860 {
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861 PgProppatchOpResult result;
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862 result.creationdate = NULL;
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863 result.displayname = NULL;
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864 result.error = 0;
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865
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866 WebdavPListIterator i = webdav_plist_iterator(plist);
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867 WebdavPList *cur;
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868 while(webdav_plist_iterator_next(&i, &cur)) {
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869 WebdavProperty *property = cur->property;
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870 WSNamespace *ns = property->namespace;
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871 if(!ns) {
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872 continue; // maybe we should abort
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873 }
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874
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875 // check if the property is a DAV: property that requires special
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876 // handling
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877 // get* properties can't be manipulated
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878 // some properties can't be removed
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879 if(!strcmp((const char*)ns->href, "DAV:")) {
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880 const char *name = property->name;
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881 enum PgDavProp davprop = proppatch_check_dav_prop(name);
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882 if(davprop != PG_DAV_DEADPROP) {
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883 if(davprop == PG_DAV_PROPPATCH_NOT_ALLOWED || davprop == forbidden_extra) {
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diff changeset
884 response->addproperty(response, property, 409);
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885 } else if(davprop == PG_DAV_CREATIONDATE) {
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886 result.creationdate = property;
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887 } else if(davprop == PG_DAV_DISPLAYNAME) {
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888 result.displayname = property;
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889 }
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890 webdav_plist_iterator_remove_current(&i);
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891 continue;
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892 }
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893 }
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894
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895 // call op func (set, remove specific code)
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896 if(opfunc(pgdav, request, response, property, op_userdata)) {
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897 result.error = 1;
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diff changeset
898 break;
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899 }
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900
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901 webdav_plist_iterator_remove_current(&i);
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902 }
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903
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904 return result;
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905 }
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906
402
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907
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diff changeset
908 static PgPropertyStoreExt* pg_proppatch_prop_get_ext(PgWebdavBackend *pgdav, WebdavProperty *property) {
415
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diff changeset
909 CxHashKey pkey = webdav_property_key((const char*)property->namespace->href, property->name);
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diff changeset
910 PgPropertyStoreExt *ext = cxMapGet(pgdav->repository->prop_ext, pkey);
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diff changeset
911 free(pkey.data.bytes);
402
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912 return ext;
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913 }
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diff changeset
914
377
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915 #define PG_PROPPATCH_EXT_SET 0
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916 #define PG_PROPPATCH_EXT_REMOVE 1
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917
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diff changeset
918 static int pg_proppatch_add_ext_prop(
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diff changeset
919 pool_handle_t *pool,
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920 PgWebdavBackend *pgdav,
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921 PgProppatch *proppatch,
c011bc2b3143 Add support for extended properties in pg proppatch
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diff changeset
922 WebdavProperty *property,
402
712aca08da7f pg: fix proppatch not working for normal dead properties if extensions are enabled
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diff changeset
923 PgPropertyStoreExt *ext,
377
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diff changeset
924 int proppatch_op)
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diff changeset
925 {
402
712aca08da7f pg: fix proppatch not working for normal dead properties if extensions are enabled
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parents: 401
diff changeset
926 PgProppatchExtProp *ext_prop = pool_malloc(pool, sizeof(PgProppatchExtProp));
712aca08da7f pg: fix proppatch not working for normal dead properties if extensions are enabled
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parents: 401
diff changeset
927 if(!ext_prop) {
712aca08da7f pg: fix proppatch not working for normal dead properties if extensions are enabled
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diff changeset
928 return 1;
712aca08da7f pg: fix proppatch not working for normal dead properties if extensions are enabled
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diff changeset
929 }
712aca08da7f pg: fix proppatch not working for normal dead properties if extensions are enabled
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diff changeset
930 ext_prop->column = ext;
712aca08da7f pg: fix proppatch not working for normal dead properties if extensions are enabled
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diff changeset
931 ext_prop->property = property;
377
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diff changeset
932
415
d938228c382e switch from ucx 2 to 3
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diff changeset
933 CxAllocator *a = pool_allocator(pool);
402
712aca08da7f pg: fix proppatch not working for normal dead properties if extensions are enabled
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 401
diff changeset
934 proppatch->ext[ext->tableindex].isused = TRUE;
377
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diff changeset
935
415
d938228c382e switch from ucx 2 to 3
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diff changeset
936 PgProppatchExtProp **list_begin;
d938228c382e switch from ucx 2 to 3
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diff changeset
937 PgProppatchExtProp **list_end;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 402
diff changeset
938 if(proppatch_op == PG_PROPPATCH_EXT_SET) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 402
diff changeset
939 list_begin = &proppatch->ext[ext->tableindex].set_begin;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 402
diff changeset
940 list_end = &proppatch->ext[ext->tableindex].set_end;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 402
diff changeset
941 } else {
d938228c382e switch from ucx 2 to 3
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parents: 402
diff changeset
942 list_begin = &proppatch->ext[ext->tableindex].remove_begin;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 402
diff changeset
943 list_end = &proppatch->ext[ext->tableindex].remove_end;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 402
diff changeset
944 }
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 402
diff changeset
945
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 402
diff changeset
946 cx_linked_list_add((void**)list_begin, (void**)list_end, -1, offsetof(PgProppatchExtProp, next), ext_prop);
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 402
diff changeset
947
402
712aca08da7f pg: fix proppatch not working for normal dead properties if extensions are enabled
Olaf Wintermann <olaf.wintermann@gmail.com>
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diff changeset
948 proppatch->extensions_used = TRUE;
377
c011bc2b3143 Add support for extended properties in pg proppatch
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diff changeset
949
c011bc2b3143 Add support for extended properties in pg proppatch
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diff changeset
950 return 0;
c011bc2b3143 Add support for extended properties in pg proppatch
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diff changeset
951 }
c011bc2b3143 Add support for extended properties in pg proppatch
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diff changeset
952
318
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diff changeset
953 static int pg_dav_set_property(
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diff changeset
954 PgWebdavBackend *pgdav,
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diff changeset
955 WebdavProppatchRequest *request,
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diff changeset
956 WebdavResource *response,
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diff changeset
957 WebdavProperty *property,
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diff changeset
958 void *userdata)
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diff changeset
959 {
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diff changeset
960 pool_handle_t *pool = request->sn->pool;
377
c011bc2b3143 Add support for extended properties in pg proppatch
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diff changeset
961 PgProppatch *proppatch = request->userdata;
318
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diff changeset
962 WSNamespace *ns = property->namespace;
377
c011bc2b3143 Add support for extended properties in pg proppatch
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diff changeset
963
c011bc2b3143 Add support for extended properties in pg proppatch
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diff changeset
964 // check if the property belongs to an extension
c011bc2b3143 Add support for extended properties in pg proppatch
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diff changeset
965 if(proppatch->ext && ns) {
402
712aca08da7f pg: fix proppatch not working for normal dead properties if extensions are enabled
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parents: 401
diff changeset
966 PgPropertyStoreExt *ext = pg_proppatch_prop_get_ext(pgdav, property);
712aca08da7f pg: fix proppatch not working for normal dead properties if extensions are enabled
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parents: 401
diff changeset
967 if(ext) {
712aca08da7f pg: fix proppatch not working for normal dead properties if extensions are enabled
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diff changeset
968 return pg_proppatch_add_ext_prop(pool, pgdav, proppatch, property, ext, PG_PROPPATCH_EXT_SET);
712aca08da7f pg: fix proppatch not working for normal dead properties if extensions are enabled
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diff changeset
969 } // else: property is not stored in an extension table, continue with normal property store
377
c011bc2b3143 Add support for extended properties in pg proppatch
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parents: 376
diff changeset
970 }
c011bc2b3143 Add support for extended properties in pg proppatch
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diff changeset
971
318
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diff changeset
972 char *resource_id_str = userdata;
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diff changeset
973 int ret = 0;
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diff changeset
974
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diff changeset
975 // convert the property value to WSXmlData
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diff changeset
976 // property->vtype == WS_VALUE_XML_NODE should always be true
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diff changeset
977 WSXmlData *property_value = property->vtype == WS_VALUE_XML_NODE ? wsxml_node2data(pool, property->value.node) : NULL;
324
44cf877b3d9f add support for xml properties in propfind/proppatch requests (pg)
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diff changeset
978 char *value_str = NULL;
44cf877b3d9f add support for xml properties in propfind/proppatch requests (pg)
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parents: 318
diff changeset
979 char *nsdef_str = NULL;
44cf877b3d9f add support for xml properties in propfind/proppatch requests (pg)
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parents: 318
diff changeset
980 if(property_value) {
44cf877b3d9f add support for xml properties in propfind/proppatch requests (pg)
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diff changeset
981 value_str = property_value->data;
44cf877b3d9f add support for xml properties in propfind/proppatch requests (pg)
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parents: 318
diff changeset
982 if(property_value->namespaces) {
44cf877b3d9f add support for xml properties in propfind/proppatch requests (pg)
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diff changeset
983 nsdef_str = wsxml_nslist2string(pool, property_value->namespaces);
44cf877b3d9f add support for xml properties in propfind/proppatch requests (pg)
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diff changeset
984 if(!nsdef_str) {
44cf877b3d9f add support for xml properties in propfind/proppatch requests (pg)
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diff changeset
985 return 1; // OOM
44cf877b3d9f add support for xml properties in propfind/proppatch requests (pg)
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parents: 318
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986 }
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987 }
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988 }
318
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989
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990 // exec sql
324
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991 const char* params[7] = { resource_id_str, (const char*)ns->prefix, (const char*)ns->href, property->name, NULL, nsdef_str, value_str};
318
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992 PGresult *result = PQexecParams(
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993 pgdav->connection,
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994 sql_proppatch_set,
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995 7, // number of parameters
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996 NULL,
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997 params, // parameter value
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998 NULL,
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999 NULL,
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1000 0); // 0: result in text format
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1001
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1002 if(PQresultStatus(result) != PGRES_COMMAND_OK) {
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1003 response->addproperty(response, property, 500);
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1004 //printf(PQerrorMessage(pgdav->connection));
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1005 //fflush(stdout);
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1006 ret = 1;
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1007 } else {
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1008 response->addproperty(response, property, 200);
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1009 }
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1010 PQclear(result);
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1011 if(value_str) pool_free(pool, value_str);
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1012
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1013 return ret;
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1014 }
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1015
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1016
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1017 static int pg_dav_remove_property(
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1018 PgWebdavBackend *pgdav,
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1019 WebdavProppatchRequest *request,
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1020 WebdavResource *response,
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1021 WebdavProperty *property,
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1022 void *userdata)
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1023 {
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1024 pool_handle_t *pool = request->sn->pool;
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1025 PgProppatch *proppatch = request->userdata;
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1026 WSNamespace *ns = property->namespace;
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1027
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1028 // check if the property belongs to an extension
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1029 if(proppatch->ext && ns) {
402
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1030 PgPropertyStoreExt *ext = pg_proppatch_prop_get_ext(pgdav, property);
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1031 if(ext) {
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1032 return pg_proppatch_add_ext_prop(pool, pgdav, proppatch, property, ext, PG_PROPPATCH_EXT_REMOVE);
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1033 } // else: property is not stored in an extension table, continue with normal property store
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1034 }
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1035
318
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1036 char *resource_id_str = userdata;
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1037 int ret = 0;
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1038
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1039 // exec sql
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1040 const char* params[3] = { resource_id_str, (const char*)ns->href, property->name };
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1041 PGresult *result = PQexecParams(
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1042 pgdav->connection,
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1043 sql_proppatch_remove,
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1044 3, // number of parameters
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1045 NULL,
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1046 params, // parameter value
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1047 NULL,
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1048 NULL,
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1049 0); // 0: result in text format
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1050
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1051 if(PQresultStatus(result) != PGRES_COMMAND_OK) {
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1052 response->addproperty(response, property, 500);
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1053 //printf(PQerrorMessage(pgdav->connection));
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1054 //fflush(stdout);
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1055 ret = 1;
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1056 }
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1057 PQclear(result);
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1058
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1059 return ret;
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1060 }
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1061
377
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1062
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1063 /*
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1064 * Creates an SQL query for inserting a new row to an extension table
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1065 * A parameter list for PQexecParams will also be generated, however
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1066 * params[0] will be empty (resource_id str)
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1067 *
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1068 * Query: insert into <table> (resource_id, col1, ...) values ($1, $2 ...);
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1069 */
415
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1070 static CxBuffer* ext_row_create_insert_query(WebdavProppatchRequest *request, PgProppatchExt *ext, PgExtTable *table, char *** params, size_t *nparams) {
377
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1071 pool_handle_t *pool = request->sn->pool;
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1072
415
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1073 CxBuffer *sql = pool_malloc(pool, sizeof(CxBuffer));
377
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1074 if(!sql) {
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1075 return NULL;
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1076 }
415
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1077 if(cxBufferInit(sql, NULL, 1024, pool_allocator(pool), CX_BUFFER_AUTO_EXTEND|CX_BUFFER_FREE_CONTENTS)) {
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1078 pool_free(pool, sql);
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1079 return NULL;
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1080 }
377
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1081
415
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1082 size_t pg_nparams = cx_linked_list_size(ext->set_begin, offsetof(PgProppatchExtProp, next)) + 1;
377
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1083 char** pg_params = pool_calloc(pool, pg_nparams, sizeof(char*));
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1084 if(!pg_params) {
415
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1085 cxBufferDestroy(sql);
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1086 pool_free(pool, sql);
377
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1087 return NULL;
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1088 }
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1089
415
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1090 cxBufferPutString(sql, "insert into ");
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1091 cxBufferPutString(sql, table->table);
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1092 cxBufferPutString(sql, "(resource_id");
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1093 for(PgProppatchExtProp *prop=ext->set_begin;prop;prop=prop->next) {
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1094 cx_bprintf(sql, ",%s", prop->column->name);
377
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1095 }
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1096
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1097 cxBufferPutString(sql, ") values ($1\n");
377
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1098 int i = 1;
415
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1099 for(PgProppatchExtProp *prop=ext->set_begin;prop;prop=prop->next) {
377
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1100 WebdavProperty *property = prop->property;
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1101 // convert the property value to WSXmlData
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1102 // property->vtype == WS_VALUE_XML_NODE should always be true
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1103 WSXmlData *property_value = property->vtype == WS_VALUE_XML_NODE ? wsxml_node2data(pool, property->value.node) : NULL;
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1104 char *value_str = NULL;
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1105 //char *nsdef_str = NULL;
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1106 if(property_value) {
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1107 value_str = property_value->data;
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1108 if(property_value->namespaces) {
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1109 // currently only text data is supported
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1110 pool_free(pool, params);
415
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1111 cxBufferDestroy(sql);
377
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1112 return NULL;
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1113 }
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1114 }
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1115
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1116 pg_params[i] = value_str;
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1117 cx_bprintf(sql, ",$%d", ++i);
377
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1118 }
415
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1119 cxBufferPutString(sql, ");");
377
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1120
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1121
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1122 //printf("\n\n%.*s\n\n", (int)sql->size, sql->space);
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1123 //fflush(stdout);
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1124
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1125 *params = pg_params;
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1126 *nparams = pg_nparams;
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diff changeset
1127
c011bc2b3143 Add support for extended properties in pg proppatch
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diff changeset
1128 return sql;
c011bc2b3143 Add support for extended properties in pg proppatch
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parents: 376
diff changeset
1129 }
c011bc2b3143 Add support for extended properties in pg proppatch
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parents: 376
diff changeset
1130
c011bc2b3143 Add support for extended properties in pg proppatch
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diff changeset
1131 /*
c011bc2b3143 Add support for extended properties in pg proppatch
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diff changeset
1132 * Creates an SQL query for updating an extension table row
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diff changeset
1133 * A parameter list for PQexecParams will also be generated, however
c011bc2b3143 Add support for extended properties in pg proppatch
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diff changeset
1134 * params[0] will be empty (resource_id str)
c011bc2b3143 Add support for extended properties in pg proppatch
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diff changeset
1135 *
c011bc2b3143 Add support for extended properties in pg proppatch
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diff changeset
1136 * Query: update <table> set
c011bc2b3143 Add support for extended properties in pg proppatch
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diff changeset
1137 * col1 = $2,
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diff changeset
1138 * col2 = $3,
c011bc2b3143 Add support for extended properties in pg proppatch
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diff changeset
1139 * ...
c011bc2b3143 Add support for extended properties in pg proppatch
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diff changeset
1140 * where resource_id = $1 ;
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diff changeset
1141 */
415
d938228c382e switch from ucx 2 to 3
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diff changeset
1142 static CxBuffer* ext_row_create_update_query(WebdavProppatchRequest *request, PgProppatchExt *ext, PgExtTable *table, char *** params, size_t *nparams) {
377
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diff changeset
1143 pool_handle_t *pool = request->sn->pool;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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diff changeset
1144
415
d938228c382e switch from ucx 2 to 3
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diff changeset
1145 CxBuffer *sql = pool_malloc(pool, sizeof(CxBuffer));
377
c011bc2b3143 Add support for extended properties in pg proppatch
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parents: 376
diff changeset
1146 if(!sql) {
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1147 return NULL;
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1148 }
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 402
diff changeset
1149 if(cxBufferInit(sql, NULL, 1024, pool_allocator(pool), CX_BUFFER_AUTO_EXTEND|CX_BUFFER_FREE_CONTENTS)) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 402
diff changeset
1150 pool_free(pool, sql);
d938228c382e switch from ucx 2 to 3
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parents: 402
diff changeset
1151 return NULL;
d938228c382e switch from ucx 2 to 3
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parents: 402
diff changeset
1152 }
377
c011bc2b3143 Add support for extended properties in pg proppatch
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diff changeset
1153
415
d938228c382e switch from ucx 2 to 3
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parents: 402
diff changeset
1154 cxBufferPutString(sql, "update ");
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 402
diff changeset
1155 cxBufferPutString(sql, table->table);
d938228c382e switch from ucx 2 to 3
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diff changeset
1156 cxBufferPutString(sql, " set\n");
377
c011bc2b3143 Add support for extended properties in pg proppatch
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diff changeset
1157
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
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diff changeset
1158 size_t pg_nparams = cx_linked_list_size(ext->set_begin, offsetof(PgProppatchExtProp, next)) + 1;
377
c011bc2b3143 Add support for extended properties in pg proppatch
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parents: 376
diff changeset
1159 char** pg_params = pool_calloc(pool, pg_nparams, sizeof(char*));
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
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diff changeset
1160 if(!pg_params) {
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 402
diff changeset
1161 cxBufferDestroy(sql);
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 402
diff changeset
1162 pool_free(pool, sql);
377
c011bc2b3143 Add support for extended properties in pg proppatch
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parents: 376
diff changeset
1163 return NULL;
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1164 }
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
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diff changeset
1165
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1166 int i = 1;
415
d938228c382e switch from ucx 2 to 3
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parents: 402
diff changeset
1167 for(PgProppatchExtProp *prop=ext->set_begin;prop;prop=prop->next) {
377
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diff changeset
1168 WebdavProperty *property = prop->property;
c011bc2b3143 Add support for extended properties in pg proppatch
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diff changeset
1169 // convert the property value to WSXmlData
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diff changeset
1170 // property->vtype == WS_VALUE_XML_NODE should always be true
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parents: 376
diff changeset
1171 WSXmlData *property_value = property->vtype == WS_VALUE_XML_NODE ? wsxml_node2data(pool, property->value.node) : NULL;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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diff changeset
1172 char *value_str = NULL;
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diff changeset
1173 //char *nsdef_str = NULL;
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diff changeset
1174 if(property_value) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
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diff changeset
1175 value_str = property_value->data;
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diff changeset
1176 if(property_value->namespaces) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
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diff changeset
1177 // currently only text data is supported
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diff changeset
1178 pool_free(pool, params);
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 402
diff changeset
1179 cxBufferDestroy(sql);
377
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1180 return NULL;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1181 }
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1182 }
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1183
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1184 pg_params[i] = value_str;
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 402
diff changeset
1185 cx_bprintf(sql, " %s = $%d,\n", prop->column->name, ++i);
377
c011bc2b3143 Add support for extended properties in pg proppatch
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parents: 376
diff changeset
1186 }
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1187
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 402
diff changeset
1188 for(PgProppatchExtProp *prop=ext->remove_begin;prop;prop=prop->next) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 402
diff changeset
1189 cx_bprintf(sql, " %s = NULL,\n", prop->column->name);
377
c011bc2b3143 Add support for extended properties in pg proppatch
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parents: 376
diff changeset
1190 }
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1191
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1192 // check if any write worked
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1193 if(sql->pos == 0) {
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 402
diff changeset
1194 cxBufferDestroy(sql);
377
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1195 pool_free(pool, pg_params);
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1196 return NULL;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1197 }
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1198
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1199 // last line should end with ',' '\n'
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1200 // replace ',' with space
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1201 if(sql->space[sql->pos-2] == ',') {
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1202 sql->space[sql->pos-2] = ' ';
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1203 }
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1204
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 402
diff changeset
1205 cxBufferPutString(sql, "where resource_id = $1 ;");
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 402
diff changeset
1206 cxBufferPut(sql, '\0');
377
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1207
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1208 //printf("\n\n%.*s\n\n", (int)sql->size, sql->space);
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1209 //fflush(stdout);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1210
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1211 *params = pg_params;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1212 *nparams = pg_nparams;
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1213
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1214 return sql;
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1215 }
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1216
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1217 /*
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1218 * Executes an SQL insert for the extension table
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1219 */
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1220 int ext_row_insert(WebdavProppatchRequest *request, PgProppatchExt *ext, PgExtTable *table) {
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1221 PgWebdavBackend *pgdav = request->dav->instance;
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1222 PgProppatch *proppatch = request->userdata;
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1223 pool_handle_t *pool = request->sn->pool;
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1224
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1225 char **params;
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1226 size_t nparam;
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 402
diff changeset
1227 CxBuffer *sql = ext_row_create_insert_query(request, ext, table, &params, &nparam);
377
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1228 if(!sql) {
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1229 return 1;
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1230 }
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1231
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1232 char resource_id_str[32];
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1233 snprintf(resource_id_str, 32, "%" PRId64, proppatch->resource_id);
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1234 params[0] = resource_id_str;
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1235
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1236 PGresult *result = PQexecParams(
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1237 pgdav->connection,
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1238 sql->space,
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1239 nparam, // number of parameters
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1240 NULL,
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1241 ( const char *const *)params, // parameter value
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1242 NULL,
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1243 NULL,
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1244 0); // 0: result in text format
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1245
415
d938228c382e switch from ucx 2 to 3
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parents: 402
diff changeset
1246 cxBufferDestroy(sql);
377
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1247
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1248 int ret = 1;
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1249 if(PQresultStatus(result) == PGRES_COMMAND_OK) {
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1250 // command ok, check if any row was updated
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1251 char *nrows_affected = PQcmdTuples(result);
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1252 if(nrows_affected[0] == '1') {
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1253 ret = 0;
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1254 } else {
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1255 log_ereport(LOG_FAILURE, "pg: extension row insert failed");
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1256 }
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1257 } else {
c011bc2b3143 Add support for extended properties in pg proppatch
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parents: 376
diff changeset
1258 log_ereport(LOG_FAILURE, "pg: extension row insert failed: %s", PQresultErrorMessage(result));
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1259 }
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1260
c011bc2b3143 Add support for extended properties in pg proppatch
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parents: 376
diff changeset
1261 PQclear(result);
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1262
c011bc2b3143 Add support for extended properties in pg proppatch
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parents: 376
diff changeset
1263 return ret;
c011bc2b3143 Add support for extended properties in pg proppatch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 376
diff changeset
1264 }
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1265
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1266 /*
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1267 * Executes an SQL update for the extension table
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1268 */
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diff changeset
1269 int ext_row_update(WebdavProppatchRequest *request, PgProppatchExt *ext, PgExtTable *table) {
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1270 PgWebdavBackend *pgdav = request->dav->instance;
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diff changeset
1271 PgProppatch *proppatch = request->userdata;
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diff changeset
1272 pool_handle_t *pool = request->sn->pool;
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diff changeset
1273
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diff changeset
1274 char **params;
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diff changeset
1275 size_t nparam;
415
d938228c382e switch from ucx 2 to 3
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1276 CxBuffer *sql = ext_row_create_update_query(request, ext, table, &params, &nparam);
377
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1277 if(!sql) {
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diff changeset
1278 return 1;
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diff changeset
1279 }
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1280
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1281 char resource_id_str[32];
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1282 snprintf(resource_id_str, 32, "%" PRId64, proppatch->resource_id);
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1283 params[0] = resource_id_str;
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1284
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1285 PGresult *result = PQexecParams(
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diff changeset
1286 pgdav->connection,
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diff changeset
1287 sql->space,
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diff changeset
1288 nparam, // number of parameters
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1289 NULL,
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diff changeset
1290 ( const char *const *)params, // parameter value
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1291 NULL,
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diff changeset
1292 NULL,
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diff changeset
1293 0); // 0: result in text format
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1294
415
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diff changeset
1295 cxBufferDestroy(sql);
377
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1296
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1297 int ret = 1;
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1298 if(PQresultStatus(result) == PGRES_COMMAND_OK) {
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1299 // command ok, check if any row was updated
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1300 char *nrows_affected = PQcmdTuples(result);
378
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1301 if(nrows_affected[0] == '1') {
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1302 ret = 0;
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1303 } else if(nrows_affected[0] == '0') {
377
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1304 // no rows affected, that means we have to insert a new row
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1305 // in the extension table for this resource
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1306
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1307 // TODO: cleanup params
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1308
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1309 ret = ext_row_insert(request, ext, table);
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1310 }
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1311 } else {
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1312 log_ereport(LOG_FAILURE, "pg: extension row update failed: %s", PQresultErrorMessage(result));
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1313 }
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1314
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1315
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1316 PQclear(result);
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1317
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1318 return ret;
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diff changeset
1319 }
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1320
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1321 static int pg_dav_update_extension_tables(WebdavProppatchRequest *request) {
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1322 PgWebdavBackend *pgdav = request->dav->instance;
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1323 PgProppatch *proppatch = request->userdata;
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diff changeset
1324
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1325 for(int i=0;i<proppatch->numext;i++) {
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1326 if(proppatch->ext[i].isused) {
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diff changeset
1327 if(ext_row_update(request, &proppatch->ext[i], &pgdav->repository->tables[i])) {
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diff changeset
1328 // extension proppatch failed
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diff changeset
1329 return 1;
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diff changeset
1330 }
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diff changeset
1331 }
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diff changeset
1332 }
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diff changeset
1333
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1334 return 0;
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diff changeset
1335 }
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1336
299
f927ef81a12b add empty pg webdav funcs
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parents:
diff changeset
1337 int pg_dav_proppatch_do(
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parents:
diff changeset
1338 WebdavProppatchRequest *request,
f927ef81a12b add empty pg webdav funcs
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parents:
diff changeset
1339 WebdavResource *response,
f927ef81a12b add empty pg webdav funcs
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parents:
diff changeset
1340 VFSFile *file,
f927ef81a12b add empty pg webdav funcs
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parents:
diff changeset
1341 WebdavPList **out_set,
f927ef81a12b add empty pg webdav funcs
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
1342 WebdavPList **out_remove)
f927ef81a12b add empty pg webdav funcs
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diff changeset
1343 {
318
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1344 PgWebdavBackend *pgdav = request->dav->instance;
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1345 pool_handle_t *pool = request->sn->pool;
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1346 char *path = pblock_findkeyval(pb_key_path, request->rq->vars);
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1347
377
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1348 PgProppatch proppatch;
378
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diff changeset
1349 proppatch.extensions_used = FALSE;
377
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diff changeset
1350 if(pgdav->repository->ntables == 0) {
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diff changeset
1351 proppatch.ext = NULL;
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diff changeset
1352 proppatch.numext = 0;
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diff changeset
1353 } else {
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diff changeset
1354 // some properties are stored in additional tables
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diff changeset
1355 // for each table we create a PgProppatchExt record
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diff changeset
1356 // which stores data about, which tables are used
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diff changeset
1357 // and which properties (columns) should be updated
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diff changeset
1358 //
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diff changeset
1359 // proppatch.ext[i] should contain the data for repository->tables[i]
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Olaf Wintermann <olaf.wintermann@gmail.com>
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diff changeset
1360 proppatch.numext = pgdav->repository->ntables;
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diff changeset
1361 proppatch.ext = pool_calloc(request->sn->pool, proppatch.numext, sizeof(PgProppatchExt));
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diff changeset
1362 if(!proppatch.ext) {
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diff changeset
1363 return 1; // OOM
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diff changeset
1364 }
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diff changeset
1365 }
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diff changeset
1366 request->userdata = &proppatch;
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diff changeset
1367
318
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1368 // check if the resource exists, we also need the resource_id
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1369 int64_t parent_id;
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1370 int64_t resource_id;
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1371 const char *resourcename;
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1372 WSBool iscollection;
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1373 int res_errno = 0;
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1374 int err = pg_resolve_path(
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1375 pgdav->connection,
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1376 path,
374
77506ec632a4 use configured root node from PgRepository in pg vfs/webdav
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1377 pgdav->root_resource_id_str,
318
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1378 &parent_id,
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1379 &resource_id,
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1380 NULL, // OID
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1381 &resourcename,
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1382 &iscollection,
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1383 NULL, // stat
346
784b24381bed extend postgresql vfs to store an etag in the file
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diff changeset
1384 NULL, // etag
318
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1385 &res_errno);
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1386
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diff changeset
1387 if(err) {
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1388 return 1;
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1389 }
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1390
377
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1391 proppatch.resource_id = resource_id;
378
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diff changeset
1392
318
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1393 // because proppatch must be atomic and we have multiple sql
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1394 // queries and other backends that do stuff that could fail
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diff changeset
1395 // we need the possibility to reverse all changes
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1396 // we use a transaction savepoint for this
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1397 PGresult *result = PQexec(pgdav->connection, "savepoint proppatch;");
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1398 ExecStatusType execStatus = PQresultStatus(result);
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1399 PQclear(result);
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1400 if(execStatus != PGRES_COMMAND_OK) {
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1401 return 1;
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1402 }
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1403
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1404 char resource_id_str[32];
378
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1405 snprintf(resource_id_str, 32, "%" PRId64, resource_id);
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1406 // store the resource_id in rq->vars, because it could be useful later
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1407 pblock_nvinsert("resource_id", resource_id_str, request->rq->vars);
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1408
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1409 int ret = 0;
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1410 PgProppatchOpResult set_res = pg_proppatch_op(
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1411 pgdav,
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1412 request,
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1413 response,
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1414 out_set,
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1415 PG_DAV_PROPPATCH_NOT_ALLOWED,
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1416 pg_dav_set_property,
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1417 resource_id_str);
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1418 if(set_res.error) {
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1419 return 1;
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1420 }
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1421 PgProppatchOpResult rm_res = pg_proppatch_op(
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1422 pgdav,
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1423 request,
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1424 response,
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1425 out_remove,
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1426 PG_DAV_CREATIONDATE, // creationdate can't be removed
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1427 pg_dav_remove_property,
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1428 resource_id_str);
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1429 if(rm_res.error) {
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1430 return 1;
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1431 }
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1432
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1433 // if extensions are in use and pg_proppatch_op found any
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1434 // properties, that should be stored in extension tables
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1435 // we do the update/insert now
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1436 if(proppatch.extensions_used) {
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1437 ret = pg_dav_update_extension_tables(request);
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1438 }
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1439
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1440
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1441 return ret;
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1442 }
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1443
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1444 int pg_dav_proppatch_finish(
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1445 WebdavProppatchRequest *request,
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1446 WebdavResource *response,
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1447 VFSFile *file,
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1448 WSBool commit)
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1449 {
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1450 PgWebdavBackend *pgdav = request->dav->instance;
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1451 int ret = 0;
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1452 if(!commit) {
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1453 log_ereport(LOG_VERBOSE, "proppatch: rollback");
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1454 PGresult *result = PQexec(pgdav->connection, "rollback to savepoint proppatch;");
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1455 if(PQresultStatus(result) != PGRES_COMMAND_OK) {
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1456 log_ereport(LOG_FAILURE, "pg_dav_proppatch_finish: rollback failed: %s", PQerrorMessage(pgdav->connection));
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1457 ret = 1;
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1458 }
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1459 PQclear(result);
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1460 }
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1461 return ret;
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1462 }

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