diff options
Diffstat (limited to 'src/get-carddav-report.c')
| -rw-r--r-- | src/get-carddav-report.c | 375 |
1 files changed, 375 insertions, 0 deletions
diff --git a/src/get-carddav-report.c b/src/get-carddav-report.c new file mode 100644 index 0000000..5c549b9 --- /dev/null +++ b/src/get-carddav-report.c @@ -0,0 +1,375 @@ +/* vim: set textwidth=80 tabstop=4 smarttab: */ + +/* Copyright (c) 2010 Timothy Pearson (kb9vqf@pearsoncomputing.net) + * Copyright (c) 2008 Michael Rasmussen (mir@datanom.net) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include "get-carddav-report.h" +#include <glib.h> +#include <curl/curl.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +/** + * A static literal string containing the webdav query for fetching + * the names of all vcf files in the directory + */ +static const char* dirlist_request = +"<?xml version=\"1.0\" encoding=\"utf-8\" ?>" +"<a:propfind xmlns:a=\"DAV:\">" +" <a:prop><a:resourcetype/></a:prop>" +"</a:propfind>\r\n"; + +/** + * A static literal string containing the card query for fetching + * all cards from collection. + */ +static const char* getall_request_header = +"<?xml version=\"1.0\" encoding=\"utf-8\" ?>" +"<C:addressbook-multiget xmlns:D=\"DAV:\"" +" xmlns:C=\"urn:ietf:params:xml:ns:carddav\">" +" <D:prop>" +" <D:getetag/>" +" <C:address-data>" +" <C:allprop/>" +" </C:address-data>" +" </D:prop>"; + +static const char* getall_request_footer = +"</C:addressbook-multiget>\r\n"; + +#define ELEM_HREF "href" + +/** + * Function for listing a directory. + * @param settings A pointer to carddav_settings. @see carddav_settings + * @param error A pointer to carddav_error. @see carddav_error + * @return TRUE in case of error, FALSE otherwise. + */ +static gchar* carddav_dirlist(carddav_settings* settings, carddav_error* error) { + CURL* curl; + CURLcode res = 0; + char error_buf[CURL_ERROR_SIZE]; + struct config_data data; + struct MemoryStruct chunk; + struct MemoryStruct headers; + struct curl_slist *http_header = NULL; + gchar* all_href = NULL; + + chunk.memory = NULL; /* we expect realloc(NULL, size) to work */ + chunk.size = 0; /* no data at this point */ + headers.memory = NULL; + headers.size = 0; + + curl = get_curl(settings); + if (!curl) { + error->code = -1; + error->str = g_strdup("Could not initialize libcurl"); + g_free(settings->file); + settings->file = NULL; + return TRUE; + } + + http_header = curl_slist_append(http_header, + "Content-Type: application/xml; charset=\"utf-8\""); + http_header = curl_slist_append(http_header, "Depth: 1"); + http_header = curl_slist_append(http_header, "Expect:"); + http_header = curl_slist_append(http_header, "Transfer-Encoding:"); + http_header = curl_slist_append(http_header, "Connection: close"); + data.trace_ascii = settings->trace_ascii; + /* send all data to this function */ + curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback); + /* we pass our 'chunk' struct to the callback function */ + curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)&chunk); + /* send all data to this function */ + curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION, WriteHeaderCallback); + /* we pass our 'headers' struct to the callback function */ + curl_easy_setopt(curl, CURLOPT_WRITEHEADER, (void *)&headers); + /* enable uploading */ + curl_easy_setopt(curl, CURLOPT_POSTFIELDS, dirlist_request); + curl_easy_setopt (curl, CURLOPT_POSTFIELDSIZE, strlen(dirlist_request)); + curl_easy_setopt(curl, CURLOPT_HTTPHEADER, http_header); + curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, (char *) &error_buf); + if (settings->debug) { + curl_easy_setopt(curl, CURLOPT_DEBUGFUNCTION, my_trace); + curl_easy_setopt(curl, CURLOPT_DEBUGDATA, &data); + curl_easy_setopt(curl, CURLOPT_VERBOSE, 1); + } + curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "PROPFIND"); + curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1); + curl_easy_setopt(curl, CURLOPT_UNRESTRICTED_AUTH, 1); + curl_easy_setopt(curl, CURLOPT_POSTREDIR, CURL_REDIR_POST_ALL); + res = curl_easy_perform(curl); + if (res != 0) { + error->code = -1; + error->str = g_strdup_printf("%s", error_buf); + g_free(settings->file); + settings->file = NULL; + } + else { + long code; + res = curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &code); + if (code != 207) { + error->code = code; + error->str = g_strdup(headers.memory); + } + else { + gchar* tmp_report = NULL; + gchar* href = NULL; + gchar* tmp = NULL; + char* pos; + tmp_report = g_strdup(chunk.memory); + href = get_tag(ELEM_HREF, tmp_report); + /* Maybe namespace prefixed */ + if (!href) { + href = get_tag("D:href", tmp_report); + } + pos = strstr(tmp_report, href); + all_href = g_strdup_printf(""); + while ((href != NULL) && (pos != NULL)) { + href = get_tag(ELEM_HREF, pos); + /* Maybe namespace prefixed */ + if (!href) { + href = get_tag("D:href", pos); + } + if (!href) + break; + pos = strstr(pos, href); + tmp = g_strdup(all_href); + g_free(all_href); + all_href = g_strdup_printf("%s <D:href>%s</D:href>\r\n", tmp, href); + g_free(tmp); + } + g_free(tmp_report); + } + } + if (chunk.memory) + free(chunk.memory); + if (headers.memory) + free(headers.memory); + curl_slist_free_all(http_header); + curl_easy_cleanup(curl); + return all_href; +} + +/** + * Function for getting all cards from collection. + * @param settings A pointer to carddav_settings. @see carddav_settings + * @param error A pointer to carddav_error. @see carddav_error + * @return TRUE in case of error, FALSE otherwise. + */ +gboolean carddav_getall(carddav_settings* settings, carddav_error* error) { + gchar * dav_file_listing; + dav_file_listing = carddav_dirlist(settings, error); + if (dav_file_listing == NULL) + return TRUE; + + CURL* curl; + CURLcode res = 0; + char error_buf[CURL_ERROR_SIZE]; + struct config_data data; + struct MemoryStruct chunk; + struct MemoryStruct headers; + struct curl_slist *http_header = NULL; + gboolean result = FALSE; + + chunk.memory = NULL; /* we expect realloc(NULL, size) to work */ + chunk.size = 0; /* no data at this point */ + headers.memory = NULL; + headers.size = 0; + + curl = get_curl(settings); + if (!curl) { + error->code = -1; + error->str = g_strdup("Could not initialize libcurl"); + g_free(settings->file); + settings->file = NULL; + return TRUE; + } + + http_header = curl_slist_append(http_header, + "Content-Type: application/xml; charset=\"utf-8\""); + http_header = curl_slist_append(http_header, "Depth: 1"); + http_header = curl_slist_append(http_header, "Expect:"); + http_header = curl_slist_append(http_header, "Transfer-Encoding:"); + http_header = curl_slist_append(http_header, "Connection: close"); + data.trace_ascii = settings->trace_ascii; + /* send all data to this function */ + curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback); + /* we pass our 'chunk' struct to the callback function */ + curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)&chunk); + /* send all data to this function */ + curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION, WriteHeaderCallback); + /* we pass our 'headers' struct to the callback function */ + curl_easy_setopt(curl, CURLOPT_WRITEHEADER, (void *)&headers); + /* assemble request */ + gchar * get_request; + get_request = g_strdup_printf("%s%s%s\r\n", getall_request_header, dav_file_listing, getall_request_footer); + /* enable uploading */ + curl_easy_setopt(curl, CURLOPT_POSTFIELDS, get_request); + curl_easy_setopt (curl, CURLOPT_POSTFIELDSIZE, strlen(get_request)); + curl_easy_setopt(curl, CURLOPT_HTTPHEADER, http_header); + curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, (char *) &error_buf); + if (settings->debug) { + curl_easy_setopt(curl, CURLOPT_DEBUGFUNCTION, my_trace); + curl_easy_setopt(curl, CURLOPT_DEBUGDATA, &data); + curl_easy_setopt(curl, CURLOPT_VERBOSE, 1); + } + curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "REPORT"); + curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1); + curl_easy_setopt(curl, CURLOPT_UNRESTRICTED_AUTH, 1); + curl_easy_setopt(curl, CURLOPT_POSTREDIR, CURL_REDIR_POST_ALL); + res = curl_easy_perform(curl); + if (res != 0) { + error->code = -1; + error->str = g_strdup_printf("%s", error_buf); + g_free(settings->file); + settings->file = NULL; + result = TRUE; + } + else { + long code; + res = curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &code); + if (code != 207) { + error->code = code; + error->str = g_strdup(headers.memory); + result = TRUE; + } + else { + gchar* report; + report = parse_carddav_report( + chunk.memory, "address-data", "VCARD"); + settings->file = g_strdup(report); + g_free(report); + } + } + if (chunk.memory) + free(chunk.memory); + if (headers.memory) + free(headers.memory); + curl_slist_free_all(http_header); + curl_easy_cleanup(curl); + g_free(dav_file_listing); + return result; +} + +/** + * Function for getting all cards from collection. + * This version stores each object's URI in a VCARD parameter. + * @param settings A pointer to carddav_settings. @see carddav_settings + * @param error A pointer to carddav_error. @see carddav_error + * @return TRUE in case of error, FALSE otherwise. + */ +gboolean carddav_getall_by_uri(carddav_settings* settings, carddav_error* error) { + gchar * dav_file_listing; + dav_file_listing = carddav_dirlist(settings, error); + if (dav_file_listing == NULL) + return TRUE; + + CURL* curl; + CURLcode res = 0; + char error_buf[CURL_ERROR_SIZE]; + struct config_data data; + struct MemoryStruct chunk; + struct MemoryStruct headers; + struct curl_slist *http_header = NULL; + gboolean result = FALSE; + + chunk.memory = NULL; /* we expect realloc(NULL, size) to work */ + chunk.size = 0; /* no data at this point */ + headers.memory = NULL; + headers.size = 0; + + curl = get_curl(settings); + if (!curl) { + error->code = -1; + error->str = g_strdup("Could not initialize libcurl"); + g_free(settings->file); + settings->file = NULL; + return TRUE; + } + + http_header = curl_slist_append(http_header, + "Content-Type: application/xml; charset=\"utf-8\""); + http_header = curl_slist_append(http_header, "Depth: 1"); + http_header = curl_slist_append(http_header, "Expect:"); + http_header = curl_slist_append(http_header, "Transfer-Encoding:"); + http_header = curl_slist_append(http_header, "Connection: close"); + data.trace_ascii = settings->trace_ascii; + /* send all data to this function */ + curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback); + /* we pass our 'chunk' struct to the callback function */ + curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)&chunk); + /* send all data to this function */ + curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION, WriteHeaderCallback); + /* we pass our 'headers' struct to the callback function */ + curl_easy_setopt(curl, CURLOPT_WRITEHEADER, (void *)&headers); + /* assemble request */ + gchar * get_request; + get_request = g_strdup_printf("%s%s%s\r\n", getall_request_header, dav_file_listing, getall_request_footer); + /* enable uploading */ + curl_easy_setopt(curl, CURLOPT_POSTFIELDS, get_request); + curl_easy_setopt (curl, CURLOPT_POSTFIELDSIZE, strlen(get_request)); + curl_easy_setopt(curl, CURLOPT_HTTPHEADER, http_header); + curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, (char *) &error_buf); + if (settings->debug) { + curl_easy_setopt(curl, CURLOPT_DEBUGFUNCTION, my_trace); + curl_easy_setopt(curl, CURLOPT_DEBUGDATA, &data); + curl_easy_setopt(curl, CURLOPT_VERBOSE, 1); + } + curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "REPORT"); + curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1); + curl_easy_setopt(curl, CURLOPT_UNRESTRICTED_AUTH, 1); + curl_easy_setopt(curl, CURLOPT_POSTREDIR, CURL_REDIR_POST_ALL); + res = curl_easy_perform(curl); + if (res != 0) { + error->code = -1; + error->str = g_strdup_printf("%s", error_buf); + g_free(settings->file); + settings->file = NULL; + result = TRUE; + } + else { + long code; + res = curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &code); + if (code != 207) { + error->code = code; + error->str = g_strdup(headers.memory); + result = TRUE; + } + else { + gchar* report; + report = parse_carddav_report( + chunk.memory, "address-data", "VCARD"); + settings->file = g_strdup(report); + g_free(report); + } + } + if (chunk.memory) + free(chunk.memory); + if (headers.memory) + free(headers.memory); + curl_slist_free_all(http_header); + curl_easy_cleanup(curl); + g_free(dav_file_listing); + return result; +}
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