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473 lines
16 KiB
473 lines
16 KiB
/* vim: set textwidth=80 tabstop=4 smarttab: */
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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-caldav-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 calendar query for fetching
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* all events from collection.
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*/
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static const char* getall_request =
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"<?xml version=\"1.0\" encoding=\"utf-8\" ?>"
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"<C:calendar-query xmlns:D=\"DAV:\""
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" xmlns:C=\"urn:ietf:params:xml:ns:caldav\">"
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" <D:prop>"
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" <D:getetag/>"
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" <C:calendar-data/>"
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" </D:prop>"
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" <C:filter>"
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" <C:comp-filter name=\"VCALENDAR\">"
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" <C:comp-filter name=\"VEVENT\"/>"
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" </C:comp-filter>"
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" </C:filter>"
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"</C:calendar-query>\r\n";
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/**
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* A static literal string containing the first part of the calendar query.
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* The actual VEVENT to search for is added at runtime.
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*/
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static const char* getrange_request_head =
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"<?xml version=\"1.0\" encoding=\"utf-8\" ?>"
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/*"<C:calendar-query xmlns:D=\"DAV:\""
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" xmlns:C=\"urn:ietf:params:xml:ns:caldav\">"
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" <D:prop>"*/
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"<C:calendar-query xmlns:C=\"urn:ietf:params:xml:ns:caldav\">"
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" <D:prop xmlns:D=\"DAV:\">"
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/*" <D:getetag/>"*/
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" <C:calendar-data/>"
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" </D:prop>"
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" <C:filter>"
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" <C:comp-filter name=\"VCALENDAR\">"
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" <C:comp-filter name=\"VEVENT\">";
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/**
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* A static literal string containing the last part of the calendar query
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*/
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static const char* getrange_request_foot =
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" </C:comp-filter>"
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" </C:comp-filter>"
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" </C:filter>"
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"</C:calendar-query>\r\n";
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/**
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* A static literal string containing the calendar query for fetching
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* all tasks from collection.
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*/
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static const char* getall_tasks_request =
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"<?xml version=\"1.0\" encoding=\"utf-8\" ?>"
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"<C:calendar-query xmlns:D=\"DAV:\""
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" xmlns:C=\"urn:ietf:params:xml:ns:caldav\">"
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" <D:prop>"
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" <D:getetag/>"
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" <C:calendar-data/>"
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" </D:prop>"
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" <C:filter>"
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" <C:comp-filter name=\"VCALENDAR\">"
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" <C:comp-filter name=\"VTODO\"/>"
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" </C:comp-filter>"
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" </C:filter>"
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"</C:calendar-query>\r\n";
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/**
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* A static literal string containing the first part of the calendar query.
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* The actual VTODO to search for is added at runtime.
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*/
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static const char* getrange_tasks_request_head =
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"<?xml version=\"1.0\" encoding=\"utf-8\" ?>"
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/*"<C:calendar-query xmlns:D=\"DAV:\""
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" xmlns:C=\"urn:ietf:params:xml:ns:caldav\">"
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" <D:prop>"*/
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"<C:calendar-query xmlns:C=\"urn:ietf:params:xml:ns:caldav\">"
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" <D:prop xmlns:D=\"DAV:\">"
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/*" <D:getetag/>"*/
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" <C:calendar-data/>"
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" </D:prop>"
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" <C:filter>"
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" <C:comp-filter name=\"VCALENDAR\">"
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" <C:comp-filter name=\"VTODO\">";
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/**
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* Function for getting all events from collection.
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* @param settings A pointer to caldav_settings. @see caldav_settings
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* @param error A pointer to caldav_error. @see caldav_error
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* @return TRUE in case of error, FALSE otherwise.
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*/
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gboolean caldav_getall(caldav_settings* settings, caldav_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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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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/* enable uploading */
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curl_easy_setopt(curl, CURLOPT_POSTFIELDS, getall_request);
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curl_easy_setopt (curl, CURLOPT_POSTFIELDSIZE, strlen(getall_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_caldav_report(
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chunk.memory, "calendar-data", "VEVENT");
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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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return result;
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}
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/**
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* Function for getting all events within a time range from collection.
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* @param settings A pointer to caldav_settings. @see caldav_settings
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* @param error A pointer to caldav_error. @see caldav_error
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* @return TRUE in case of error, FALSE otherwise.
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*/
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gboolean caldav_getrange(caldav_settings* settings, caldav_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 + 1];
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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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gchar* request = 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 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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curl_easy_setopt(curl, CURLOPT_HTTPHEADER, http_header);
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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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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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request = g_strdup_printf(
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"%s\r\n<C:time-range start=\"%s\"\r\n end=\"%s\"/>\r\n%s",
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getrange_request_head, get_caldav_datetime(&settings->start),
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get_caldav_datetime(&settings->end), getrange_request_foot);
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/* enable uploading */
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curl_easy_setopt(curl, CURLOPT_POSTFIELDS, request);
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curl_easy_setopt (curl, CURLOPT_POSTFIELDSIZE, strlen(request));
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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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gchar* report;
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report = parse_caldav_report(chunk.memory, "calendar-data", "VEVENT");
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settings->file = g_strdup(report);
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g_free(report);
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}
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g_free(request);
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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 result;
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}
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/**
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* Function for getting all tasks from collection.
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* @param settings A pointer to caldav_settings. @see caldav_settings
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* @param error A pointer to caldav_error. @see caldav_error
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* @return TRUE in case of error, FALSE otherwise.
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*/
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gboolean caldav_tasks_getall(caldav_settings* settings, caldav_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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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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/* enable uploading */
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curl_easy_setopt(curl, CURLOPT_POSTFIELDS, getall_tasks_request);
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curl_easy_setopt (curl, CURLOPT_POSTFIELDSIZE, strlen(getall_tasks_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_caldav_report(
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chunk.memory, "calendar-data", "VTODO");
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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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return result;
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}
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|
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/**
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* Function for getting all events within a time range from collection.
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|
* @param settings A pointer to caldav_settings. @see caldav_settings
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* @param error A pointer to caldav_error. @see caldav_error
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* @return TRUE in case of error, FALSE otherwise.
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*/
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gboolean caldav_tasks_getrange(caldav_settings* settings, caldav_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 + 1];
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|
struct config_data data;
|
|
struct MemoryStruct chunk;
|
|
struct MemoryStruct headers;
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|
struct curl_slist *http_header = NULL;
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|
gboolean result = FALSE;
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|
gchar* request = NULL;
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|
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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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curl_easy_setopt(curl, CURLOPT_HTTPHEADER, http_header);
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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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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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request = g_strdup_printf(
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"%s\r\n<C:time-range start=\"%s\"\r\n end=\"%s\"/>\r\n%s",
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getrange_tasks_request_head, get_caldav_datetime(&settings->start),
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get_caldav_datetime(&settings->end), getrange_request_foot);
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/* enable uploading */
|
|
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, request);
|
|
curl_easy_setopt (curl, CURLOPT_POSTFIELDSIZE, strlen(request));
|
|
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 {
|
|
gchar* report;
|
|
report = parse_caldav_report(chunk.memory, "calendar-data", "VTODO");
|
|
settings->file = g_strdup(report);
|
|
g_free(report);
|
|
}
|
|
g_free(request);
|
|
if (chunk.memory)
|
|
free(chunk.memory);
|
|
if (headers.memory)
|
|
free(headers.memory);
|
|
curl_slist_free_all(http_header);
|
|
curl_easy_cleanup(curl);
|
|
return result;
|
|
}
|