diff -r 0f94d369bb02 -r 1bcaac272cdf dav/propfind.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dav/propfind.c	Fri Nov 30 21:18:13 2012 +0100
@@ -0,0 +1,226 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright 2012 Olaf Wintermann. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *   1. Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *
+ *   2. Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "utils.h"
+#include "propfind.h"
+
+Propfind* dav_propfind(CURL *handle) {
+    Propfind *response = malloc(sizeof(Propfind));
+    response->resource = NULL;
+    response->children = NULL;
+    
+    curl_easy_setopt(handle, CURLOPT_CUSTOMREQUEST, "PROPFIND");
+    
+    struct curl_slist *headers = NULL;
+    headers = curl_slist_append(headers, "Content-Type: text/xml");
+    curl_easy_setopt(handle, CURLOPT_HTTPHEADER, headers);
+    
+    UcxBuffer *rqbuf = create_propfind_request_body();
+    UcxBuffer *rpbuf = ucx_buffer_new(NULL, 4096, UCX_BUFFER_AUTOEXTEND);
+    //printf("request\n%s\n", body->space);
+    
+    curl_easy_setopt(handle, CURLOPT_UPLOAD, 1); 
+    curl_easy_setopt(handle, CURLOPT_READFUNCTION, ucx_buffer_read);
+    curl_easy_setopt(handle, CURLOPT_READDATA, rqbuf); 
+    curl_easy_setopt(handle, CURLOPT_INFILESIZE, rqbuf->size);
+    
+    curl_easy_setopt(handle, CURLOPT_WRITEFUNCTION, ucx_buffer_write);
+    curl_easy_setopt(handle, CURLOPT_WRITEDATA, rpbuf);
+    
+    ucx_buffer_seek(rqbuf, 0, SEEK_SET);
+    CURLcode res = curl_easy_perform(handle);
+    if(res == CURLE_OK) {
+        //printf("response\n%s\n", rpbuf->space);
+        
+        char *url = NULL;
+        curl_easy_getinfo(handle, CURLINFO_EFFECTIVE_URL, &url);
+        response->url = util_url_path(url);
+        
+        parse_propfind(response, rpbuf);
+        
+        response->url = strdup(url);
+    }
+    curl_easy_reset(handle);
+    
+    return response;
+}
+
+UcxBuffer* create_propfind_request_body() {
+    UcxBuffer *buf = ucx_buffer_new(NULL, 512, 0);
+    sstr_t s;
+    
+    s = ST("<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n");
+    ucx_buffer_write(s.ptr, 1, s.length, buf);
+    
+    s = ST("<D:propfind xmlns:D=\"DAV:\">\n");
+    ucx_buffer_write(s.ptr, 1, s.length, buf);
+    
+    s = ST("<D:prop>\n");
+    ucx_buffer_write(s.ptr, 1, s.length, buf);
+    
+    s = ST("<D:creationdate />\n<D:getlastmodified />\n");
+    ucx_buffer_write(s.ptr, 1, s.length, buf);
+    
+    s = ST("<D:getcontentlength />\n<D:getcontenttype />\n");
+    ucx_buffer_write(s.ptr, 1, s.length, buf);
+    
+    s = ST("<D:resourcetype />\n");
+    ucx_buffer_write(s.ptr, 1, s.length, buf);
+    
+    s = ST("</D:prop>\n</D:propfind>\n");
+    ucx_buffer_write(s.ptr, 1, s.length, buf);
+    
+    return buf;
+}
+
+int parse_propfind(Propfind *propfind, UcxBuffer *response) {
+    xmlTextReaderPtr reader = xmlReaderForMemory(
+            response->space,
+            response->size,
+            propfind->url,
+            NULL,
+            0);
+    
+    int ret = 0;
+    if(reader != NULL) {
+        int r;
+        while((r = xmlTextReaderRead(reader)) == 1) {
+            int nodetype = xmlTextReaderNodeType(reader);
+            if(nodetype == XML_READER_TYPE_ELEMENT) {
+                const xmlChar *name = xmlTextReaderConstLocalName(reader);
+                if(!xmlStrcmp(name, BAD_CAST "response")) {
+                    r = parse_response(reader, propfind);
+                    if(r != 0) {
+                        ret = -1;
+                        break;
+                    }
+                }
+            }
+        }
+        xmlFreeTextReader(reader);
+    }
+    
+    return ret;
+}
+
+int parse_response(xmlTextReaderPtr reader, Propfind *propfind) {
+    DavResource *res = calloc(sizeof(DavResource), 1);
+    if(res == NULL) {
+        return -1;
+    }
+    
+    /*
+     * 0: href
+     * 1: creationdate
+     * 2: getlastmodified
+     * 3: getcontentlength
+     * 4: getcontenttype
+     * 5: resourcetype
+     */
+    int valuetype = -1;
+    
+    int r;
+    while((r = xmlTextReaderRead(reader)) == 1) {
+        int nodetype = xmlTextReaderNodeType(reader);
+        
+        if(nodetype == XML_READER_TYPE_END_ELEMENT) {
+            const xmlChar *name = xmlTextReaderConstLocalName(reader);
+            if(!xmlStrcmp(name, BAD_CAST "response")) {
+                break;
+            }
+        }
+        
+        switch(nodetype) {
+            case XML_READER_TYPE_ELEMENT: {
+                const xmlChar *name = xmlTextReaderConstLocalName(reader);
+                if(!xmlStrcmp(name, BAD_CAST "href")) {
+                    valuetype = 0;
+                } else if(!xmlStrcmp(name, BAD_CAST "creationdate")) {
+                    valuetype = 1;
+                } else if(!xmlStrcmp(name, BAD_CAST "getlastmodified")) {
+                    valuetype = 2;
+                } else if(!xmlStrcmp(name, BAD_CAST "getcontentlength")) {
+                    valuetype = 3;
+                } else if(!xmlStrcmp(name, BAD_CAST "getcontenttype")) {
+                    valuetype = 4;
+                } else if(!xmlStrcmp(name, BAD_CAST "resourcetype")) {
+                    valuetype = 5;
+                } else if(!xmlStrcmp(name, BAD_CAST "collection") 
+                        && valuetype == 5) {
+                    res->collection = 1;
+                } else {
+                    valuetype = -1;
+                }
+                break;
+            }
+            case XML_READER_TYPE_TEXT: {
+                const xmlChar *cvalue = xmlTextReaderConstValue(reader);
+                if(cvalue == NULL) {
+                    break;
+                }
+                char *value = strdup((char*)cvalue);
+                switch(valuetype) {
+                    case 0: {
+                        res->href = value;
+                        res->name = util_resource_name(value);
+                        break;
+                    }
+                    case 1: {
+                        res->creationdate = 0; // TODO
+                        break;
+                    }
+                    case 2: {
+                        res->lastmodified = 0; // TODO
+                        break;
+                    }
+                    case 3: {
+                        res->contentlength = atoi(value);
+                        break;
+                    }
+                    case 4: {
+                        res->contenttype = value;
+                        //break;
+                    }
+                }
+                //break;
+            }
+        }
+    }
+    
+    if(!strcmp(res->href, propfind->url)) {
+        propfind->resource = res;
+    } else {
+        propfind->children = ucx_dlist_append(propfind->children, res);
+    }
+    
+    return 0;
+}