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380 lines
12 KiB
380 lines
12 KiB
/* Copyright (c) 2010 Timothy Pearson (kb9vqf@pearsoncomputing.net)
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* Copyright (c) 2008 Michael Rasmussen (mir@datanom.net)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include "get-carddav-report.h"
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#include <glib.h>
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#include <curl/curl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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/**
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* A static literal string containing the webdav query for fetching
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* the names of all vcf files in the directory
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*/
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static const char* dirlist_request =
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"<?xml version=\"1.0\" encoding=\"utf-8\" ?>"
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"<a:propfind xmlns:a=\"DAV:\">"
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" <a:prop><a:resourcetype/></a:prop>"
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"</a:propfind>\r\n";
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/**
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* A static literal string containing the card query for fetching
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* all cards from collection.
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*/
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static const char* getall_request_header =
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"<?xml version=\"1.0\" encoding=\"utf-8\" ?>"
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"<C:addressbook-multiget xmlns:D=\"DAV:\""
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" xmlns:C=\"urn:ietf:params:xml:ns:carddav\">"
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" <D:prop>"
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" <D:getetag/>"
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" <C:address-data>"
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" <C:allprop/>"
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" </C:address-data>"
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" </D:prop>";
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static const char* getall_request_footer =
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"</C:addressbook-multiget>\r\n";
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#define ELEM_HREF "href"
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/**
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* Function for listing a directory.
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* @param settings A pointer to carddav_settings. @see carddav_settings
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* @param error A pointer to carddav_error. @see carddav_error
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* @return TRUE in case of error, FALSE otherwise.
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*/
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static gchar* carddav_dirlist(carddav_settings* settings, carddav_error* error) {
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CURL* curl;
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CURLcode res = 0;
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char error_buf[CURL_ERROR_SIZE];
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struct config_data data;
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struct MemoryStruct chunk;
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struct MemoryStruct headers;
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struct curl_slist *http_header = NULL;
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gchar* all_href = NULL;
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chunk.memory = NULL; /* we expect realloc(NULL, size) to work */
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chunk.size = 0; /* no data at this point */
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headers.memory = NULL;
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headers.size = 0;
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curl = get_curl(settings);
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if (!curl) {
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error->code = -1;
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error->str = g_strdup("Could not initialize libcurl");
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g_free(settings->file);
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settings->file = NULL;
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return NULL;
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}
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http_header = curl_slist_append(http_header,
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"Content-Type: application/xml; charset=\"utf-8\"");
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http_header = curl_slist_append(http_header, "Depth: 1");
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http_header = curl_slist_append(http_header, "Expect:");
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http_header = curl_slist_append(http_header, "Transfer-Encoding:");
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http_header = curl_slist_append(http_header, "Connection: close");
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data.trace_ascii = settings->trace_ascii;
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/* send all data to this function */
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curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback);
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/* we pass our 'chunk' struct to the callback function */
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curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)&chunk);
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/* send all data to this function */
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curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION, WriteHeaderCallback);
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/* we pass our 'headers' struct to the callback function */
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curl_easy_setopt(curl, CURLOPT_WRITEHEADER, (void *)&headers);
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/* enable uploading */
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curl_easy_setopt(curl, CURLOPT_POSTFIELDS, dirlist_request);
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curl_easy_setopt (curl, CURLOPT_POSTFIELDSIZE, strlen(dirlist_request));
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curl_easy_setopt(curl, CURLOPT_HTTPHEADER, http_header);
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curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, (char *) &error_buf);
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if (settings->debug) {
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curl_easy_setopt(curl, CURLOPT_DEBUGFUNCTION, my_trace);
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curl_easy_setopt(curl, CURLOPT_DEBUGDATA, &data);
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curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
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}
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curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "PROPFIND");
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curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1);
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curl_easy_setopt(curl, CURLOPT_UNRESTRICTED_AUTH, 1);
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curl_easy_setopt(curl, CURLOPT_POSTREDIR, CURL_REDIR_POST_ALL);
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res = curl_easy_perform(curl);
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if (res != 0) {
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error->code = -1;
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error->str = g_strdup_printf("%s", error_buf);
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g_free(settings->file);
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settings->file = NULL;
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}
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else {
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long code;
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res = curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &code);
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if (code != 207) {
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error->code = code;
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error->str = g_strdup(headers.memory);
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}
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else {
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gchar* tmp_report = NULL;
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gchar* href = NULL;
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gchar* tmp = NULL;
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char* pos;
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tmp_report = g_strdup(chunk.memory);
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href = get_tag(ELEM_HREF, tmp_report);
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/* Maybe namespace prefixed */
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if (!href) {
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href = get_tag("D:href", tmp_report);
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}
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if (!href) {
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href = get_tag("d:href", tmp_report);
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}
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pos = strstr(tmp_report, href);
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all_href = g_strdup("");
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while ((href != NULL) && (pos != NULL)) {
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href = get_tag(ELEM_HREF, pos);
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/* Maybe namespace prefixed */
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if (!href) {
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href = get_tag("D:href", pos);
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}
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if (!href) {
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href = get_tag("d:href", pos);
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}
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if (!href)
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break;
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pos = strstr(pos, href);
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tmp = g_strdup(all_href);
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g_free(all_href);
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all_href = g_strdup_printf("%s <D:href>%s</D:href>\r\n", tmp, href);
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g_free(tmp);
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}
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g_free(tmp_report);
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}
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}
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if (chunk.memory)
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free(chunk.memory);
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if (headers.memory)
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free(headers.memory);
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curl_slist_free_all(http_header);
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curl_easy_cleanup(curl);
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return all_href;
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}
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/**
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* Function for getting all cards from collection.
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* @param settings A pointer to carddav_settings. @see carddav_settings
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* @param error A pointer to carddav_error. @see carddav_error
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* @return TRUE in case of error, FALSE otherwise.
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*/
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gboolean carddav_getall(carddav_settings* settings, carddav_error* error) {
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gchar * dav_file_listing;
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dav_file_listing = carddav_dirlist(settings, error);
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if (dav_file_listing == NULL)
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return TRUE;
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CURL* curl;
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CURLcode res = 0;
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char error_buf[CURL_ERROR_SIZE];
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struct config_data data;
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struct MemoryStruct chunk;
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struct MemoryStruct headers;
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struct curl_slist *http_header = NULL;
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gboolean result = FALSE;
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chunk.memory = NULL; /* we expect realloc(NULL, size) to work */
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chunk.size = 0; /* no data at this point */
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headers.memory = NULL;
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headers.size = 0;
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curl = get_curl(settings);
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if (!curl) {
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error->code = -1;
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error->str = g_strdup("Could not initialize libcurl");
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g_free(settings->file);
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settings->file = NULL;
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return TRUE;
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}
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http_header = curl_slist_append(http_header,
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"Content-Type: application/xml; charset=\"utf-8\"");
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http_header = curl_slist_append(http_header, "Depth: 1");
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http_header = curl_slist_append(http_header, "Expect:");
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http_header = curl_slist_append(http_header, "Transfer-Encoding:");
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http_header = curl_slist_append(http_header, "Connection: close");
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data.trace_ascii = settings->trace_ascii;
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/* send all data to this function */
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curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback);
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/* we pass our 'chunk' struct to the callback function */
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curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)&chunk);
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/* send all data to this function */
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curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION, WriteHeaderCallback);
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/* we pass our 'headers' struct to the callback function */
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curl_easy_setopt(curl, CURLOPT_WRITEHEADER, (void *)&headers);
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/* assemble request */
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gchar * get_request;
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get_request = g_strdup_printf("%s%s%s\r\n", getall_request_header, dav_file_listing, getall_request_footer);
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/* enable uploading */
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curl_easy_setopt(curl, CURLOPT_POSTFIELDS, get_request);
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curl_easy_setopt (curl, CURLOPT_POSTFIELDSIZE, strlen(get_request));
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curl_easy_setopt(curl, CURLOPT_HTTPHEADER, http_header);
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curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, (char *) &error_buf);
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if (settings->debug) {
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curl_easy_setopt(curl, CURLOPT_DEBUGFUNCTION, my_trace);
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curl_easy_setopt(curl, CURLOPT_DEBUGDATA, &data);
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curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
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}
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curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "REPORT");
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curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1);
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curl_easy_setopt(curl, CURLOPT_UNRESTRICTED_AUTH, 1);
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curl_easy_setopt(curl, CURLOPT_POSTREDIR, CURL_REDIR_POST_ALL);
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res = curl_easy_perform(curl);
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if (res != 0) {
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error->code = -1;
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error->str = g_strdup_printf("%s", error_buf);
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g_free(settings->file);
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settings->file = NULL;
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result = TRUE;
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}
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else {
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long code;
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res = curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &code);
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if (code != 207) {
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error->code = code;
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error->str = g_strdup(headers.memory);
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result = TRUE;
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}
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else {
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gchar* report;
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report = parse_carddav_report(
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chunk.memory, "address-data", "VCARD");
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settings->file = g_strdup(report);
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g_free(report);
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}
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}
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if (chunk.memory)
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free(chunk.memory);
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if (headers.memory)
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free(headers.memory);
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curl_slist_free_all(http_header);
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curl_easy_cleanup(curl);
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g_free(dav_file_listing);
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return result;
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}
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/**
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* Function for getting all cards from collection.
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* This version stores each object's URI in a VCARD parameter.
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* @param settings A pointer to carddav_settings. @see carddav_settings
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* @param error A pointer to carddav_error. @see carddav_error
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* @return TRUE in case of error, FALSE otherwise.
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*/
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gboolean carddav_getall_by_uri(carddav_settings* settings, carddav_error* error) {
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gchar * dav_file_listing;
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dav_file_listing = carddav_dirlist(settings, error);
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if (dav_file_listing == NULL)
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return TRUE;
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CURL* curl;
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CURLcode res = 0;
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char error_buf[CURL_ERROR_SIZE];
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struct config_data data;
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struct MemoryStruct chunk;
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struct MemoryStruct headers;
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struct curl_slist *http_header = NULL;
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gboolean result = FALSE;
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chunk.memory = NULL; /* we expect realloc(NULL, size) to work */
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chunk.size = 0; /* no data at this point */
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headers.memory = NULL;
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headers.size = 0;
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curl = get_curl(settings);
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if (!curl) {
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error->code = -1;
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error->str = g_strdup("Could not initialize libcurl");
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g_free(settings->file);
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settings->file = NULL;
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return TRUE;
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}
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http_header = curl_slist_append(http_header,
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"Content-Type: application/xml; charset=\"utf-8\"");
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http_header = curl_slist_append(http_header, "Depth: 1");
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http_header = curl_slist_append(http_header, "Expect:");
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http_header = curl_slist_append(http_header, "Transfer-Encoding:");
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http_header = curl_slist_append(http_header, "Connection: close");
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data.trace_ascii = settings->trace_ascii;
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/* send all data to this function */
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curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback);
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/* we pass our 'chunk' struct to the callback function */
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curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)&chunk);
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/* send all data to this function */
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curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION, WriteHeaderCallback);
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/* we pass our 'headers' struct to the callback function */
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curl_easy_setopt(curl, CURLOPT_WRITEHEADER, (void *)&headers);
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/* assemble request */
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gchar * get_request;
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get_request = g_strdup_printf("%s%s%s\r\n", getall_request_header, dav_file_listing, getall_request_footer);
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/* enable uploading */
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curl_easy_setopt(curl, CURLOPT_POSTFIELDS, get_request);
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curl_easy_setopt (curl, CURLOPT_POSTFIELDSIZE, strlen(get_request));
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curl_easy_setopt(curl, CURLOPT_HTTPHEADER, http_header);
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curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, (char *) &error_buf);
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if (settings->debug) {
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curl_easy_setopt(curl, CURLOPT_DEBUGFUNCTION, my_trace);
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curl_easy_setopt(curl, CURLOPT_DEBUGDATA, &data);
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curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
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}
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curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "REPORT");
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curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1);
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curl_easy_setopt(curl, CURLOPT_UNRESTRICTED_AUTH, 1);
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curl_easy_setopt(curl, CURLOPT_POSTREDIR, CURL_REDIR_POST_ALL);
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res = curl_easy_perform(curl);
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if (res != 0) {
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error->code = -1;
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error->str = g_strdup_printf("%s", error_buf);
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g_free(settings->file);
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settings->file = NULL;
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result = TRUE;
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}
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else {
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long code;
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res = curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &code);
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if (code != 207) {
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error->code = code;
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error->str = g_strdup(headers.memory);
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result = TRUE;
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}
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else {
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gchar* report;
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report = parse_carddav_report(
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chunk.memory, "address-data", "VCARD");
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settings->file = g_strdup(report);
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g_free(report);
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}
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}
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if (chunk.memory)
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free(chunk.memory);
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if (headers.memory)
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free(headers.memory);
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curl_slist_free_all(http_header);
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curl_easy_cleanup(curl);
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g_free(dav_file_listing);
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return result;
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}
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