calendarimporter/backend/functions.php
Christoph Haas c387565a45 calendarimporter 2.1.0:
- ics sync is now implemented
2014-05-14 23:30:00 +00:00

165 lines
5.7 KiB
PHP

<?php
/**
* functions.php, zarafa calender to ics im/exporter backend
*
* Author: Christoph Haas <christoph.h@sprinternet.at>
* Copyright (C) 2012-2014 Christoph Haas
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/* gets the data from a URL */
function curl_get_data($url, $username = NULL, $password = NULL) {
$ch = curl_init();
$timeout = 5;
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
if($username != NULL && $password != NULL) {
curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
curl_setopt($ch, CURLOPT_USERPWD, "$username:$password");
}
$data = curl_exec($ch);
$http_status = intval(curl_getinfo($ch, CURLINFO_HTTP_CODE));
curl_close($ch);
if($http_status > 210 || $http_status < 200)
return NULL;
return $data;
}
/* gets all zarafa users */
function get_user_ics_list($userStore) {
// get settings
// first check if property exist and we can open that using mapi_openproperty
$storeProps = mapi_getprops($userStore, array(PR_EC_WEBACCESS_SETTINGS_JSON));
// Check if property exists, if it doesn not exist then we can continue with empty set of settings
if (isset($storeProps[PR_EC_WEBACCESS_SETTINGS_JSON]) || propIsError(PR_EC_WEBACCESS_SETTINGS_JSON, $storeProps) == MAPI_E_NOT_ENOUGH_MEMORY) {
// read the settings property
$stream = mapi_openproperty($userStore, PR_EC_WEBACCESS_SETTINGS_JSON, IID_IStream, 0, 0);
if ($stream == false) {
echo "Error opening settings property\n";
}
$settings_string = "";
$stat = mapi_stream_stat($stream);
mapi_stream_seek($stream, 0, STREAM_SEEK_SET);
for ($i = 0; $i < $stat['cb']; $i += 1024) {
$settings_string .= mapi_stream_read($stream, 1024);
}
if(empty($settings_string)) {
// property exists but without any content so ignore it and continue with
// empty set of settings
return;
}
$settings = json_decode($settings_string, true);
if (empty($settings) || empty($settings['settings'])) {
echo "Error retrieving existing settings\n";
}
$calcontext = $settings["settings"]["zarafa"]["v1"]["contexts"]["calendar"];
if(isset($calcontext["icssync"])) {
foreach($calcontext["icssync"] as $syncitem) {
echo "Found sync url: " . $syncitem["icsurl"] . " for calendar: " . $syncitem["calendar"] . "\n";
}
return $calcontext["icssync"];
}
return NULL;
}
}
/* updates the webapp settings */
function update_last_sync_date($userStore, $icsentry) {
// get settings
// first check if property exist and we can open that using mapi_openproperty
$storeProps = mapi_getprops($userStore, array(PR_EC_WEBACCESS_SETTINGS_JSON));
// Check if property exists, if it doesn not exist then we can continue with empty set of settings
if (isset($storeProps[PR_EC_WEBACCESS_SETTINGS_JSON]) || propIsError(PR_EC_WEBACCESS_SETTINGS_JSON, $storeProps) == MAPI_E_NOT_ENOUGH_MEMORY) {
// read the settings property
$stream = mapi_openpropertytostream($userStore, PR_EC_WEBACCESS_SETTINGS_JSON, MAPI_MODIFY);
if ($stream == false) {
echo "Error opening settings property\n";
}
$settings_string = "";
$stat = mapi_stream_stat($stream);
mapi_stream_seek($stream, 0, STREAM_SEEK_SET);
for ($i = 0; $i < $stat['cb']; $i += 1024) {
$settings_string .= mapi_stream_read($stream, 1024);
}
if(empty($settings_string)) {
// property exists but without any content so ignore it and continue with
// empty set of settings
return;
}
$settings = json_decode($settings_string, true);
if (empty($settings) || empty($settings['settings'])) {
echo "Error retrieving existing settings\n";
}
$settings["settings"]["zarafa"]["v1"]["contexts"]["calendar"]["icssync"][$icsentry]["lastsync"] = date('Y-m-d H:i:s');
$newsettings = json_encode($settings);
mapi_stream_setsize($stream, strlen($newsettings));
mapi_stream_seek($stream, 0, STREAM_SEEK_SET);
mapi_stream_write($stream, $newsettings);
$res = mapi_stream_commit ($stream);
return $res;
}
return false;
}
/* upload a file */
function upload_ics_to_caldav($filename, $caldavurl, $username, $calendarname, $authuser = NULL, $authpass = NULL) {
$url = $caldavurl . $username . "/" . rawurlencode($calendarname) . "/";
$post = array('file'=>'@'.$filename);
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL,$url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$fp = fopen($filename, 'r');
curl_setopt($ch, CURLOPT_PUT, true);
curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
curl_setopt($ch, CURLOPT_INFILE, $fp);
curl_setopt($ch, CURLOPT_INFILESIZE, filesize ($filename));
if($authuser != NULL && $authpass != NULL) {
curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
curl_setopt($ch, CURLOPT_USERPWD, "$authuser:$authpass");
}
$result=curl_exec($ch);
$http_status = intval(curl_getinfo($ch, CURLINFO_HTTP_CODE));
curl_close($ch);
echo "uploading file to: " . $url . " (" . $http_status . ")\n";
return $http_status;
}
?>