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mirror of https://github.com/owncloudarchive/contacts.git synced 2024-12-02 14:24:10 +01:00
OwncloudContactsOfficial/thumbnail.php
2012-02-12 16:11:41 +01:00

101 lines
2.9 KiB
PHP

<?php
/**
* ownCloud - Addressbook
*
* @author Thomas Tanghus
* @copyright 2011-2012 Thomas Tanghus <thomas@tanghus.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or 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 AFFERO GENERAL PUBLIC LICENSE for more details.
*
* You should have received a copy of the GNU Affero General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
// Init owncloud
require_once('../../lib/base.php');
OC_JSON::checkLoggedIn();
//OC_Util::checkLoggedIn();
OC_Util::checkAppEnabled('contacts');
function getStandardImage(){
$date = new DateTime('now');
$date->add(new DateInterval('P10D'));
header('Expires: '.$date->format(DateTime::RFC2822));
header('Cache-Control: cache');
header('Pragma: cache');
header("HTTP/1.1 307 Temporary Redirect");
header('Location: '.OC_Helper::imagePath('contacts', 'person.png'));
}
if(!function_exists('imagecreatefromjpeg')) {
OC_Log::write('contacts','thumbnail.php. GD module not installed',OC_Log::DEBUG);
getStandardImage();
exit();
}
$id = $_GET['id'];
$contact = OC_Contacts_App::getContactVCard($id);
// invalid vcard
if( is_null($contact)){
OC_Log::write('contacts','thumbnail.php. The VCard for ID '.$id.' is not RFC compatible',OC_Log::ERROR);
getStandardImage();
exit();
}
$thumbnail_size = 23;
// Find the photo from VCard.
$image = new OC_Image();
$photo = $contact->getAsString('PHOTO');
$etag = md5($photo);
$rev_string = $contact->getAsString('REV');
if ($rev_string) {
$rev = DateTime::createFromFormat(DateTime::W3C, $rev_string);
$last_modified_time = $rev->format(DateTime::RFC2822);
} else {
$last_modified_time = null;
}
header('Cache-Control: cache');
header('Pragma: cache');
if ($rev_string) {
header('Last-Modified: '.$last_modified_time);
}
header('ETag: '.$etag);
if (@trim($_SERVER['HTTP_IF_MODIFIED_SINCE']) == $last_modified_time ||
@trim($_SERVER['HTTP_IF_NONE_MATCH']) == $etag) {
header('HTTP/1.1 304 Not Modified');
exit;
}
if($image->loadFromBase64($photo)) {
if($image->centerCrop()) {
if($image->resize($thumbnail_size)) {
if($image->show()) {
exit();
} else {
OC_Log::write('contacts','thumbnail.php. Couldn\'t display thumbnail for ID '.$id,OC_Log::ERROR);
}
} else {
OC_Log::write('contacts','thumbnail.php. Couldn\'t resize thumbnail for ID '.$id,OC_Log::ERROR);
}
}else{
OC_Log::write('contacts','thumbnail.php. Couldn\'t crop thumbnail for ID '.$id,OC_Log::ERROR);
}
} else {
OC_Log::write('contacts','thumbnail.php. Couldn\'t load image string for ID '.$id,OC_Log::ERROR);
}
getStandardImage();