src/server/webdav/webdav.c

Thu, 16 Jan 2020 22:28:22 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Thu, 16 Jan 2020 22:28:22 +0100
branch
webdav
changeset 226
49adcbd7d473
parent 222
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child 227
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permissions
-rw-r--r--

msresponse_addproperty: add support for xmlNode property values and add check to make sure, properties are only added once

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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 2019 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 <stdio.h>
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30 #include <stdlib.h>
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31 #include <string.h>
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32
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33 #include <ucx/buffer.h>
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34 #include <ucx/list.h>
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35
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36 #include "webdav.h"
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37
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38 #include "search.h"
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39 #include "versioning.h"
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40 #include "multistatus.h"
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41 #include "requestparser.h"
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42 #include "operation.h"
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43
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44 #include "../util/pblock.h"
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45 #include "../util/util.h"
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46 #include "../daemon/session.h"
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47 #include "../daemon/http.h"
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48
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49 static UcxMap *method_handler_map;
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50
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51 static WebdavBackend default_backend;
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52
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53 static WSNamespace dav_namespace;
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54
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55 static WebdavProperty dav_resourcetype_empty;
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56 static WebdavProperty dav_resourcetype_collection;
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57 static WSXmlNode dav_resourcetype_collection_value; // TODO: change type to WSXmlData
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58
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59 static void init_default_backend(void) {
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60 memset(&default_backend, 0, sizeof(WebdavBackend));
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61 default_backend.propfind_init = default_propfind_init;
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62 default_backend.propfind_do = default_propfind_do;
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63 default_backend.propfind_finish = default_propfind_finish;
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64 }
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65
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66 int webdav_init(pblock *pb, Session *sn, Request *rq) {
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67 init_default_backend();
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68
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69 method_handler_map = ucx_map_new(64);
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70
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71 ucx_map_cstr_put(method_handler_map, "OPTIONS", webdav_options);
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72 ucx_map_cstr_put(method_handler_map, "PROPFIND", webdav_propfind);
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73 ucx_map_cstr_put(method_handler_map, "PROPPATCH", webdav_proppatch);
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74 ucx_map_cstr_put(method_handler_map, "MKCOL", webdav_mkcol);
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75 ucx_map_cstr_put(method_handler_map, "POST", webdav_post);
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76 ucx_map_cstr_put(method_handler_map, "DELETE", webdav_delete);
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77 ucx_map_cstr_put(method_handler_map, "PUT", webdav_put);
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78 ucx_map_cstr_put(method_handler_map, "COPY", webdav_copy);
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79 ucx_map_cstr_put(method_handler_map, "MOVE", webdav_move);
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80 ucx_map_cstr_put(method_handler_map, "LOCK", webdav_lock);
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81 ucx_map_cstr_put(method_handler_map, "UNLOCK", webdav_unlock);
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82 ucx_map_cstr_put(method_handler_map, "REPORT", webdav_report);
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83 ucx_map_cstr_put(method_handler_map, "ACL", webdav_acl);
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84
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85 ucx_map_cstr_put(method_handler_map, "SEARCH", webdav_search);
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86
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87 ucx_map_cstr_put(method_handler_map, "VERSION-CONTROL", webdav_version_control);
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88 ucx_map_cstr_put(method_handler_map, "CHECKOUT", webdav_checkout);
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89 ucx_map_cstr_put(method_handler_map, "CHECKIN", webdav_checkin);
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90 ucx_map_cstr_put(method_handler_map, "UNCHECKOUT", webdav_uncheckout);
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91 ucx_map_cstr_put(method_handler_map, "MKWORKSPACE", webdav_mkworkspace);
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92 ucx_map_cstr_put(method_handler_map, "UPDATE", webdav_update);
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93 ucx_map_cstr_put(method_handler_map, "LABEL", webdav_label);
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94 ucx_map_cstr_put(method_handler_map, "MERGE", webdav_merge);
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95
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96 dav_namespace.href = (xmlChar*)"DAV:";
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97 dav_namespace.prefix = (xmlChar*)"D";
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98
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99 dav_resourcetype_empty.namespace = &dav_namespace;
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100 dav_resourcetype_empty.name = "resourcetype";
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101
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102 dav_resourcetype_collection.namespace = &dav_namespace;
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103 dav_resourcetype_collection.name = "resourcetype";
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104 dav_resourcetype_collection.value.node = &dav_resourcetype_collection_value;
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105 dav_resourcetype_collection.vtype = WS_VALUE_XML_NODE;
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106 dav_resourcetype_collection_value.content = (xmlChar*)"<D:collection/>";
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107 dav_resourcetype_collection_value.type = XML_TEXT_NODE;
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108
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109
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110 return REQ_PROCEED;
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111 }
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112
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113
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114 int webdav_service(pblock *pb, Session *sn, Request *rq) {
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115 if(!method_handler_map) {
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116 log_ereport(LOG_FAILURE, "WebDAV module not initialized");
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117 protocol_status(sn, rq, 500, NULL);
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118 return REQ_ABORTED;
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119 }
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120 char *method = pblock_findkeyval(pb_key_method, rq->reqpb);
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121
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122 FuncPtr saf = (FuncPtr)ucx_map_cstr_get(method_handler_map, method);
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123 if(!saf) {
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124 return REQ_NOACTION;
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125 }
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126
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127 return saf(pb, sn, rq);
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128 }
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129
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130 UcxBuffer* rqbody2buffer(Session *sn, Request *rq) {
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131 if(!sn->inbuf) {
212
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132 //request body required, set http response code
211
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133 protocol_status(sn, rq, 400, NULL);
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134 return NULL;
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135 }
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136
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137 UcxBuffer *buf = ucx_buffer_new(
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138 NULL,
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139 sn->inbuf->maxsize,
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140 UCX_BUFFER_AUTOEXTEND);
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141 if(!buf) {
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142 protocol_status(sn, rq, 500, NULL);
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143 return NULL;
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144 }
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145
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146 char in[2048];
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147 int r;
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148 while((r = netbuf_getbytes(sn->inbuf, in, 2048)) > 0) {
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149 if(ucx_buffer_write(in, 1, r, buf) != r) {
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150 protocol_status(sn, rq, 500, NULL);
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151 ucx_buffer_free(buf);
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152 return NULL;
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153 }
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154 }
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155
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156 return buf;
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157 }
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158
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159 int webdav_options(pblock *pb, Session *sn, Request *rq) {
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160 return REQ_ABORTED;
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161 }
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162
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163 int webdav_propfind(pblock *pb, Session *sn, Request *rq) {
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164 UcxBuffer *reqbody = rqbody2buffer(sn, rq);
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165 if(!reqbody) {
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166 return REQ_ABORTED;
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167 }
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168
212
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169 UcxAllocator *a = session_get_allocator(sn);
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170
211
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171 int error = 0;
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172 WebdavPropfindRequest *propfind = propfind_parse(
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173 sn,
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174 rq,
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175 reqbody->space,
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176 reqbody->size,
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177 &error);
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178 ucx_buffer_free(reqbody);
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179 if(!propfind) {
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180 switch(error) {
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181 // TODO: handle all errors
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182 default: return REQ_ABORTED;
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183 }
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184 }
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185
217
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186 WebdavBackend *dav = rq->davCollection ?
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187 rq->davCollection : &default_backend;
211
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188
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189
221
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190 // requested uri and path
211
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191 char *path = pblock_findkeyval(pb_key_path, rq->vars);
221
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192 char *uri = pblock_findkeyval(pb_key_uri, rq->reqpb);
211
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193
212
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194 // VFS settings are only taken from the first backend
211
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195 uint32_t settings = dav->settings;
212
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196
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197 // list of individual WebdavPropfindRequest objects for each Backend
213
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198 UcxList *requestObjects = NULL;
212
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199
213
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200 // Initialize all Webdav Backends
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201 if(webdav_propfind_init(dav, propfind, path, &requestObjects)) {
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202 return REQ_ABORTED;
211
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203 }
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204
217
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205 // The multistatus response object contains responses for all
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206 // requested resources. At the end the Multistatus object will be
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207 // serialized to xml
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208 Multistatus *ms = multistatus_response(sn, rq);
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209 if(!ms) {
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210 return REQ_ABORTED;
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211 }
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212 // WebdavResponse is the public interface used by Backends
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213 // for adding resources to the response
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214 WebdavResponse *response = (WebdavResponse*)ms;
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215
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216 WebdavOperation *op = webdav_operation_create(
222
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217 sn,
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218 rq,
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219 dav,
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220 requestObjects,
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221 response);
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222
212
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223 // some Backends can list all children by themselves, but some
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224 // require the VFS for this
211
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225 WSBool usevfs = (settings & WS_PROPFIND_NO_VFS) != WS_PROPFIND_NO_VFS;
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226 struct stat s;
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227 struct stat *statptr = NULL;
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228
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229 VFSContext *vfs = NULL;
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230 if(usevfs) {
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231 vfs = vfs_request_context(sn, rq);
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232
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233 if(vfs_stat(vfs, path, &s)) {
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234 protocol_status(sn, rq, util_errno2status(vfs->vfs_errno), NULL);
211
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235 return REQ_ABORTED;
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236 }
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237 statptr = &s;
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238 if(!S_ISDIR(s.st_mode)) {
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239 // the file is not a directory, therefore we don't need the VFS
211
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240 usevfs = FALSE;
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241 }
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242 }
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243 if(propfind->depth == 0) {
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244 usevfs = FALSE;
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245 }
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246
217
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247 int ret = REQ_PROCEED;
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248
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249 // create WebdavResource object for requested resource
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250 if(!webdav_op_propfind_begin(op, path, NULL, statptr)) {
211
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251 // propfind for the requested resource was successful
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252
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253 // usevfsdir is TRUE if
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254 // the webdav backend has not disabled vfs usage
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255 // the file is a directory
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256 // depth is not 0
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257 // in this case we need to execute propfind_do for all children
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258 if(usevfs) {
221
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259 if(!webdav_op_propfind_children(op, vfs, uri, path)) {
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260 ret = REQ_ABORTED;
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261 }
211
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262 }
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263 }
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264
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265 // finish the propfind request
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266 // this function should cleanup all resources, therefore we execute it
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267 // even if a previous function failed
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268 if(webdav_op_propfind_finish(op)) {
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269 ret = REQ_ABORTED;
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270 }
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271
222
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272 // if propfind was successful, send the result to the client
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273 if(ret == REQ_PROCEED && multistatus_send(ms, sn->csd)) {
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274 ret = REQ_ABORTED;
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275 // TODO: log error
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276 } else {
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277 // TODO: log error
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278 // TODO: error response
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279 }
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280
211
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281 return ret;
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282 }
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283
212
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284 /*
213
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285 * Initializes Backend Chain
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286 *
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287 * Calls propfind_init of each Backend and generates a list of custom
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288 * WebdavPropfindRequest objects for each backend
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289 */
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290 int webdav_propfind_init(
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291 WebdavBackend *dav,
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292 WebdavPropfindRequest *propfind,
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293 const char *path,
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294 UcxList **out_req)
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295 {
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296 pool_handle_t *pool = propfind->sn->pool;
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297 UcxAllocator *a = session_get_allocator(propfind->sn);
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298
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299 // list of individual WebdavPropfindRequest objects for each Backend
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300 UcxList *requestObjects = NULL;
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301
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302 // new properties after init, start with clone of original plist
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303 WebdavPList *newProp = webdav_plist_clone(pool, propfind->properties);
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304 size_t newPropCount = propfind->propcount;
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305
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306 // Call propfind_init for each Backend
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307 // propfind_init can return a new property list, which
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308 // will be passed to the next backend
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309
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310 WebdavBackend *davList = dav;
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311 while(davList) {
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312 // create WebdavPropfindRequest copy
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313 WebdavPropfindRequest *pReq = pool_malloc(
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314 pool,
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315 sizeof(WebdavPropfindRequest));
220
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316 memcpy(pReq, propfind, sizeof(WebdavPropfindRequest));
213
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317 // use new plist after previous init (or orig. plist in the first run)
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318 pReq->properties = newProp;
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319 pReq->propcount = newPropCount;
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320
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321 // add new WebdavPropfindRequest object to list for later use
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322 requestObjects = ucx_list_append_a(a, requestObjects, pReq);
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323 if(!requestObjects) {
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324 return REQ_ABORTED; // OOM
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325 }
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326
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327 // create plist copy as out-plist for init
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328 newProp = webdav_plist_clone(pool, newProp);
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329
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330 // run init: this can generate a new properties list (newProp)
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331 // which will be passed to the next backend
214
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332 if(davList->propfind_init(pReq, path, &newProp)) {
213
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333 return REQ_ABORTED;
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334 }
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335
216
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336 newPropCount = webdav_plist_size(newProp);
213
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337
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338 davList = davList->next;
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339 }
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340
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341 *out_req = requestObjects;
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342 return REQ_PROCEED;
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343 }
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344
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345
211
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346 int webdav_proppatch(pblock *pb, Session *sn, Request *rq) {
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347 return REQ_ABORTED;
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348 }
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349
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350 int webdav_mkcol(pblock *pb, Session *sn, Request *rq) {
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351 return REQ_ABORTED;
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352 }
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353
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354 int webdav_post(pblock *pb, Session *sn, Request *rq) {
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355 return REQ_ABORTED;
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356 }
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357
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358 int webdav_delete(pblock *pb, Session *sn, Request *rq) {
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359 return REQ_ABORTED;
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360 }
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361
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362 int webdav_put(pblock *pb, Session *sn, Request *rq) {
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363 return REQ_ABORTED;
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364 }
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365
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366 int webdav_copy(pblock *pb, Session *sn, Request *rq) {
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367 return REQ_ABORTED;
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368 }
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369
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370 int webdav_move(pblock *pb, Session *sn, Request *rq) {
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371 return REQ_ABORTED;
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372 }
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373
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374 int webdav_lock(pblock *pb, Session *sn, Request *rq) {
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375 return REQ_ABORTED;
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376 }
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377
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378 int webdav_unlock(pblock *pb, Session *sn, Request *rq) {
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379 return REQ_ABORTED;
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380 }
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381
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382 int webdav_report(pblock *pb, Session *sn, Request *rq) {
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383 return REQ_ABORTED;
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384 }
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385
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386 int webdav_acl(pblock *pb, Session *sn, Request *rq) {
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387 return REQ_ABORTED;
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388 }
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389
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390
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391 /* ------------------------ default webdav backend ------------------------ */
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392
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393 int default_propfind_init(
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394 WebdavPropfindRequest *rq,
212
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395 const char* path,
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396 WebdavPList **outplist)
211
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397 {
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398 DefaultWebdavData *data = pool_malloc(
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399 rq->sn->pool,
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400 sizeof(DefaultWebdavData));
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401 if(!data) {
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402 return 1;
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403 }
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404 rq->userdata = data;
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405
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406 data->vfsproperties = webdav_vfs_properties(rq, TRUE, 0);
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407
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408 return 0;
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409 }
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410
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411 int default_propfind_do(
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412 WebdavPropfindRequest *request,
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413 WebdavResponse *response,
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414 VFS_DIR parent,
217
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415 WebdavResource *resource,
211
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416 struct stat *s)
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417 {
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418 DefaultWebdavData *data = request->userdata;
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419
217
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420 // TODO: rework
211
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421
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422 // add all requested vfs properties like getcontentlength ...
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423 if(webdav_add_vfs_properties(
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424 resource,
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425 request->sn->pool,
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426 data->vfsproperties,
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427 s))
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428 {
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429 return 1;
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430 }
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431
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432 // all remaining properties are not available
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433 WebdavPList *p = request->properties;
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434 while(p) {
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435 resource->addproperty(resource, p->property, 404);
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436 p = p->next;
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437 }
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438
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439 return 0;
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440 }
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441
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442 int default_propfind_finish(WebdavPropfindRequest *rq) {
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443 return 0;
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444 }
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445
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446
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447 /* ------------------------------ public API ------------------------------ */
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448
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449 int webdav_getdepth(Request *rq) {
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450 char *depth_str = pblock_findkeyval(pb_key_depth, rq->headers);
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451 int depth = 0;
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452 if(depth_str) {
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453 size_t dlen = strlen(depth_str);
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454 if(!memcmp(depth_str, "infinity", dlen)) {
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455 depth = -1;
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456 } else if(dlen == 1 && depth_str[0] == '1') {
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457 depth = 1;
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458 }
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459 }
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460 return depth;
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461 }
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462
212
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463 WebdavPList* webdav_plist_clone(pool_handle_t *pool, WebdavPList *list) {
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464 WebdavPList *new_list = NULL; // start of the new list
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465 WebdavPList *new_list_end = NULL; // end of the new list
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466
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467 WebdavPList *elm = list;
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468 while(elm) {
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469 // copy list item
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470 WebdavPList *new_elm = pool_malloc(pool, sizeof(WebdavPList));
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471 if(!new_elm) {
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472 return NULL;
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473 }
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474 new_elm->property = elm->property; // new list contains original ptr
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475 new_elm->prev = new_list_end;
212
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476 new_elm->next = NULL;
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477
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478 if(new_list_end) {
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479 new_list_end->next = new_elm;
212
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480 } else {
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481 new_list = new_elm;
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482 }
216
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483 new_list_end = new_elm;
212
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484
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485 elm = elm->next;
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486 }
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487
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488 return new_list;
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489 }
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diff changeset
490
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491 size_t webdav_plist_size(WebdavPList *list) {
212
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492 size_t count = 0;
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493 WebdavPList *elm = list;
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494 while(elm) {
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495 count++;
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496 elm = elm->next;
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497 }
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498 return count;
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499 }
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500
215
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501 WebdavPListIterator webdav_plist_iterator(WebdavPList **list) {
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502 WebdavPListIterator i;
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503 i.list = list;
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504 i.cur = NULL;
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505 i.next = *list;
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506 i.index = 0;
215
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507 return i;
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508 }
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509
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510 int webdav_plist_iterator_next(WebdavPListIterator *i, WebdavPList **cur) {
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511 if(i->cur) {
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512 i->index++;
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513 }
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514
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515 i->cur = i->next;
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516 i->next = i->cur ? i->cur->next : NULL;
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517 *cur = i->cur;
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518
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519 return i->cur != NULL;
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520 }
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521
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522 void webdav_plist_iterator_remove_current(WebdavPListIterator *i) {
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523 WebdavPList *cur = i->cur;
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524 if(cur->prev) {
216
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525 cur->prev->next = cur->next;
215
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526 if(cur->next) {
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527 cur->next->prev = cur->prev;
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528 }
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529 } else {
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530 *i->list = cur->next;
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531 if(cur->next) {
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532 cur->next->prev = NULL;
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533 }
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534 }
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535 }
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536
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537
211
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538 WSNamespace* webdav_dav_namespace(void) {
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539 return &dav_namespace;
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540 }
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diff changeset
541
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542 WebdavProperty* webdav_dav_property(
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diff changeset
543 pool_handle_t *pool,
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544 const char *name)
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545 {
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diff changeset
546 WebdavProperty *property = pool_malloc(pool, sizeof(WebdavProperty));
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parents: 107
diff changeset
547 if(!property) {
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diff changeset
548 return NULL;
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549 }
212
d7e7ea9c6bc6 refactore webdav backend struct
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550 memset(property, 0, sizeof(WebdavProperty));
211
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diff changeset
551
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552 property->namespace = &dav_namespace;
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diff changeset
553 property->name = name;
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diff changeset
554 return property;
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diff changeset
555 }
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parents: 107
diff changeset
556
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diff changeset
557 int webdav_property_set_value(
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diff changeset
558 WebdavProperty *p,
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diff changeset
559 pool_handle_t *pool,
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diff changeset
560 char *value)
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diff changeset
561 {
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diff changeset
562 WSXmlNode *node = pool_malloc(pool, sizeof(WSXmlNode));
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parents: 107
diff changeset
563 if(!node) {
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diff changeset
564 return 1;
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parents: 107
diff changeset
565 }
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diff changeset
566 ZERO(node, sizeof(WSXmlNode));
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diff changeset
567
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diff changeset
568 node->content = (xmlChar*)value;
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diff changeset
569 node->type = XML_TEXT_NODE;
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diff changeset
570
212
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diff changeset
571 p->value.node = node;
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diff changeset
572 p->vtype = WS_VALUE_XML_NODE;
211
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diff changeset
573 return 0;
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diff changeset
574 }
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diff changeset
575
222
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576 int webdav_property_add_nsdef(
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diff changeset
577 WebdavProperty *property,
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diff changeset
578 pool_handle_t *pool,
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diff changeset
579 const char *prefix,
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580 const char *nsuri)
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diff changeset
581 {
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diff changeset
582 // because we're using a memory pool, we don't free in case stuff in
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diff changeset
583 // case of an error (OOM) - stuff will be freed by destroyinig the pool
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584
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diff changeset
585 WebdavNSList *new_def = pool_malloc(pool, sizeof(WebdavNSList));
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parents: 221
diff changeset
586 if(!new_def) {
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diff changeset
587 return 1;
5f05e56cb8e2 create namespace definition lists when properties are added to a multistatus response
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parents: 221
diff changeset
588 }
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parents: 221
diff changeset
589 WSNamespace *new_ns = pool_malloc(pool, sizeof(WSNamespace));
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parents: 221
diff changeset
590 if(!new_ns) {
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parents: 221
diff changeset
591 return 1;
5f05e56cb8e2 create namespace definition lists when properties are added to a multistatus response
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parents: 221
diff changeset
592 }
5f05e56cb8e2 create namespace definition lists when properties are added to a multistatus response
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parents: 221
diff changeset
593 ZERO(new_ns, sizeof(WSNamespace));
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parents: 221
diff changeset
594
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parents: 221
diff changeset
595 new_ns->prefix = (xmlChar*)pool_strdup(pool, prefix);
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parents: 221
diff changeset
596 new_ns->href = (xmlChar*)pool_strdup(pool, nsuri);
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parents: 221
diff changeset
597 if(!new_ns->prefix || !new_ns->href) {
5f05e56cb8e2 create namespace definition lists when properties are added to a multistatus response
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parents: 221
diff changeset
598 return 1;
5f05e56cb8e2 create namespace definition lists when properties are added to a multistatus response
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parents: 221
diff changeset
599 }
5f05e56cb8e2 create namespace definition lists when properties are added to a multistatus response
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 221
diff changeset
600
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parents: 221
diff changeset
601 new_def->namespace = new_ns;
5f05e56cb8e2 create namespace definition lists when properties are added to a multistatus response
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parents: 221
diff changeset
602 new_def->prev = NULL;
5f05e56cb8e2 create namespace definition lists when properties are added to a multistatus response
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parents: 221
diff changeset
603 new_def->next = NULL;
5f05e56cb8e2 create namespace definition lists when properties are added to a multistatus response
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 221
diff changeset
604
5f05e56cb8e2 create namespace definition lists when properties are added to a multistatus response
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 221
diff changeset
605 if(property->nsdef) {
5f05e56cb8e2 create namespace definition lists when properties are added to a multistatus response
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 221
diff changeset
606 property->nsdef->prev = new_def;
5f05e56cb8e2 create namespace definition lists when properties are added to a multistatus response
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 221
diff changeset
607 new_def->next = property->nsdef;
5f05e56cb8e2 create namespace definition lists when properties are added to a multistatus response
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 221
diff changeset
608 }
5f05e56cb8e2 create namespace definition lists when properties are added to a multistatus response
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 221
diff changeset
609 property->nsdef = new_def;
5f05e56cb8e2 create namespace definition lists when properties are added to a multistatus response
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parents: 221
diff changeset
610
5f05e56cb8e2 create namespace definition lists when properties are added to a multistatus response
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 221
diff changeset
611 return 0;
5f05e56cb8e2 create namespace definition lists when properties are added to a multistatus response
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 221
diff changeset
612 }
5f05e56cb8e2 create namespace definition lists when properties are added to a multistatus response
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parents: 221
diff changeset
613
211
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diff changeset
614 WebdavVFSProperties webdav_vfs_properties(
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parents: 107
diff changeset
615 WebdavPropfindRequest *rq,
2160585200ac add propfind/proppatch parser and first iteration of the new webdav api
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parents: 107
diff changeset
616 WSBool removefromlist,
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parents: 107
diff changeset
617 uint32_t flags)
2160585200ac add propfind/proppatch parser and first iteration of the new webdav api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 107
diff changeset
618 {
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parents: 107
diff changeset
619 WebdavVFSProperties ret;
2160585200ac add propfind/proppatch parser and first iteration of the new webdav api
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parents: 107
diff changeset
620 ZERO(&ret, sizeof(WebdavVFSProperties));
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parents: 107
diff changeset
621
2160585200ac add propfind/proppatch parser and first iteration of the new webdav api
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parents: 107
diff changeset
622 WSBool etag = 1;
2160585200ac add propfind/proppatch parser and first iteration of the new webdav api
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parents: 107
diff changeset
623 WSBool creationdate = 1;
2160585200ac add propfind/proppatch parser and first iteration of the new webdav api
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parents: 107
diff changeset
624
2160585200ac add propfind/proppatch parser and first iteration of the new webdav api
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parents: 107
diff changeset
625 WebdavPList *property = rq->properties;
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parents: 107
diff changeset
626 WebdavPList *prev = NULL;
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parents: 107
diff changeset
627 while(property) {
2160585200ac add propfind/proppatch parser and first iteration of the new webdav api
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parents: 107
diff changeset
628 WebdavPList *next = property->next;
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parents: 107
diff changeset
629 WSNamespace *ns = property->property->namespace;
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parents: 107
diff changeset
630 if(ns && !strcmp((char*)ns->href, "DAV:")) {
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parents: 107
diff changeset
631 const char *name = property->property->name;
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parents: 107
diff changeset
632 WebdavPList *removethis = property;
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parents: 107
diff changeset
633 if(!strcmp(name, "getlastmodified")) {
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parents: 107
diff changeset
634 ret.getlastmodified = 1;
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parents: 107
diff changeset
635 } else if(!strcmp(name, "getcontentlength")) {
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parents: 107
diff changeset
636 ret.getcontentlength = 1;
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parents: 107
diff changeset
637 } else if(!strcmp(name, "resourcetype")) {
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parents: 107
diff changeset
638 ret.getresourcetype = 1;
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parents: 107
diff changeset
639 } else if(etag && !strcmp(name, "getetag")) {
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parents: 107
diff changeset
640 ret.getetag = 1;
2160585200ac add propfind/proppatch parser and first iteration of the new webdav api
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diff changeset
641 } else if(creationdate && !strcmp(name, "creationdate")) {
2160585200ac add propfind/proppatch parser and first iteration of the new webdav api
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diff changeset
642 ret.creationdate = 1;
2160585200ac add propfind/proppatch parser and first iteration of the new webdav api
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parents: 107
diff changeset
643 } else {
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diff changeset
644 removethis = NULL;
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parents: 107
diff changeset
645 }
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parents: 107
diff changeset
646
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diff changeset
647 if(removefromlist && removethis) {
212
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parents: 211
diff changeset
648
211
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diff changeset
649 if(prev) {
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diff changeset
650 prev->next = next;
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diff changeset
651 } else {
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diff changeset
652 rq->properties = next;
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diff changeset
653 }
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parents: 107
diff changeset
654 }
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parents: 107
diff changeset
655 }
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parents: 107
diff changeset
656 prev = property;
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diff changeset
657 property = next;
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parents: 107
diff changeset
658 }
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parents: 107
diff changeset
659
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diff changeset
660 return ret;
2160585200ac add propfind/proppatch parser and first iteration of the new webdav api
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parents: 107
diff changeset
661 }
2160585200ac add propfind/proppatch parser and first iteration of the new webdav api
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parents: 107
diff changeset
662
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diff changeset
663 static inline int w_addprop(
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diff changeset
664 WebdavResource *res,
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diff changeset
665 pool_handle_t *pool,
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diff changeset
666 const char *name,
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diff changeset
667 char *value)
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diff changeset
668 {
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diff changeset
669 WebdavProperty *p = webdav_dav_property(pool, name);
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diff changeset
670 if(!p) {
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671 return 1;
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672 }
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673 if(webdav_property_set_value(p, pool, value)) {
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674 return 1;
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675 }
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676 return res->addproperty(res, p, 200);
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677 }
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678
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679 int webdav_add_vfs_properties(
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680 WebdavResource *res,
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681 pool_handle_t *pool,
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682 WebdavVFSProperties properties,
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683 struct stat *s)
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684 {
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685 if(properties.getresourcetype) {
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686 if(S_ISDIR(s->st_mode)) {
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687 res->addproperty(res, &dav_resourcetype_collection, 200);
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688 } else {
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689 res->addproperty(res, &dav_resourcetype_empty, 200);
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690 }
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691 }
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692 if(properties.getcontentlength) {
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693 char *buf = pool_malloc(pool, 64);
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694 if(!buf) {
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diff changeset
695 return 1;
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696 }
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697 uint64_t contentlength = s->st_size;
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698 snprintf(buf, 64, "%" PRIu64 "\0", contentlength);
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parents: 107
diff changeset
699 if(w_addprop(res, pool, "getcontentlength", buf)) {
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700 return 1;
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diff changeset
701 }
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parents: 107
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702 }
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parents: 107
diff changeset
703 if(properties.getlastmodified) {
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diff changeset
704 char *buf = pool_malloc(pool, HTTP_DATE_LEN+1);
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parents: 107
diff changeset
705 if(!buf) {
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diff changeset
706 return 1;
2160585200ac add propfind/proppatch parser and first iteration of the new webdav api
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parents: 107
diff changeset
707 }
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diff changeset
708 buf[HTTP_DATE_LEN] = 0;
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709
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diff changeset
710 struct tm mtms;
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711 struct tm *mtm = system_gmtime(&s->st_mtim.tv_sec, &mtms);
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diff changeset
712
2160585200ac add propfind/proppatch parser and first iteration of the new webdav api
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parents: 107
diff changeset
713 if(mtm) {
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diff changeset
714 strftime(buf, HTTP_DATE_LEN, HTTP_DATE_FMT, mtm);
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parents: 107
diff changeset
715 if(w_addprop(res, pool, "getlastmodified", buf)) {
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parents: 107
diff changeset
716 return 1;
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parents: 107
diff changeset
717 }
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parents: 107
diff changeset
718 } else {
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parents: 107
diff changeset
719 return 1;
2160585200ac add propfind/proppatch parser and first iteration of the new webdav api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 107
diff changeset
720 }
2160585200ac add propfind/proppatch parser and first iteration of the new webdav api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 107
diff changeset
721 }
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 107
diff changeset
722 if(properties.creationdate) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 107
diff changeset
723 // TODO
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 107
diff changeset
724 }
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 107
diff changeset
725 if(properties.getetag) {
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parents: 107
diff changeset
726 char *buf = pool_malloc(pool, 96);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 107
diff changeset
727 if(!buf) {
2160585200ac add propfind/proppatch parser and first iteration of the new webdav api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 107
diff changeset
728 return 1;
2160585200ac add propfind/proppatch parser and first iteration of the new webdav api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 107
diff changeset
729 }
2160585200ac add propfind/proppatch parser and first iteration of the new webdav api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 107
diff changeset
730 snprintf(buf,
2160585200ac add propfind/proppatch parser and first iteration of the new webdav api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 107
diff changeset
731 96,
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 107
diff changeset
732 "\"%x-%x\"\0",
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 107
diff changeset
733 (int)s->st_size,
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 107
diff changeset
734 (int)s->st_mtim.tv_sec);
2160585200ac add propfind/proppatch parser and first iteration of the new webdav api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 107
diff changeset
735 if(w_addprop(res, pool, "getetag", buf)) {
2160585200ac add propfind/proppatch parser and first iteration of the new webdav api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 107
diff changeset
736 return 1;
2160585200ac add propfind/proppatch parser and first iteration of the new webdav api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 107
diff changeset
737 }
2160585200ac add propfind/proppatch parser and first iteration of the new webdav api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 107
diff changeset
738 }
2160585200ac add propfind/proppatch parser and first iteration of the new webdav api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 107
diff changeset
739
2160585200ac add propfind/proppatch parser and first iteration of the new webdav api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 107
diff changeset
740 return 0;
2160585200ac add propfind/proppatch parser and first iteration of the new webdav api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 107
diff changeset
741 }

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