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<?php
/**
* ownCloud - Addressbook
*
* @author Jakob Sack
* @copyright 2011 Jakob Sack mail@jakobsack.de
*
* 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_Util::checkLoggedIn();
OC_Util::checkAppEnabled('contacts');
if(!function_exists('imagecreatefromjpeg')) {
OC_Log::write('contacts','GD module not installed',OC_Log::ERROR);
header('Content-Type: image/png');
// TODO: Check if it works to read the file and echo the content.
return 'img/person.png';
}
function getStandardImage(){
$src_img = imagecreatefrompng('img/person.png');
header('Content-Type: image/png');
imagepng($src_img);
imagedestroy($src_img);
}
$id = $_GET['id'];
$l10n = new OC_L10N('contacts');
$card = OC_Contacts_VCard::find( $id );
if( $card === false ){
echo $l10n->t('Contact could not be found.');
exit();
}
$addressbook = OC_Contacts_Addressbook::find( $card['addressbookid'] );
if( $addressbook === false || $addressbook['userid'] != OC_USER::getUser()){
echo $l10n->t('This is not your contact.'); // This is a weird error, why would it come up? (Better feedback for users?)
exit();
}
$content = OC_VObject::parse($card['carddata']);
// invalid vcard
if( is_null($content)){
echo $l10n->t('This card is not RFC compatible.');
exit();
}
// define the width and height for the thumbnail
// note that theese dimmensions are considered the maximum dimmension and are not fixed,
// because we have to keep the image ratio intact or it will be deformed
$thumbnail_width = 23;
$thumbnail_height = 23;
// Photo :-)
foreach($content->children as $child){
if($child->name == 'PHOTO'){
foreach($child->parameters as $parameter){
if( $parameter->name == 'TYPE' ){
$mime = $parameter->value;
}
}
$data = base64_decode($child->value);
$src_img = imagecreatefromstring($data);
if ($src_img !== false) {
//gets the dimmensions of the image
$width_orig=imageSX($src_img);
$height_orig=imageSY($src_img);
$ratio_orig = $width_orig/$height_orig;
if ($thumbnail_width/$thumbnail_height > $ratio_orig) {
$new_height = $thumbnail_width/$ratio_orig;
$new_width = $thumbnail_width;
} else {
$new_width = $thumbnail_height*$ratio_orig;
$new_height = $thumbnail_height;
}
$x_mid = $new_width/2; //horizontal middle
$y_mid = $new_height/2; //vertical middle
$process = imagecreatetruecolor(round($new_width), round($new_height));
if ($process == false) {
getStandardImage();
//echo 'Error creating process image: '.$new_width.'x'.$new_height;
OC_Log::write('contacts','Error creating process image for '.$id.' '.$new_width.'x'.$new_height,OC_Log::ERROR);
imagedestroy($process);
imagedestroy($src_img);
exit();
}
imagecopyresampled($process, $src_img, 0, 0, 0, 0, $new_width, $new_height, $width_orig, $height_orig);
if ($process == false) {
getStandardImage();
//echo 'Error resampling process image: '.$new_width.'x'.$new_height;
OC_Log::write('contacts','Error resampling process image for '.$id.' '.$new_width.'x'.$new_height,OC_Log::ERROR);
imagedestroy($process);
imagedestroy($src_img);
exit();
}
$thumb = imagecreatetruecolor($thumbnail_width, $thumbnail_height);
if ($process == false) {
getStandardImage();
//echo 'Error creating thumb image: '.$thumbnail_width.'x'.$thumbnail_height;
OC_Log::write('contacts','Error creating thumb image for '.$id.' '.$thumbnail_width.'x'.$thumbnail_height,OC_Log::ERROR);
imagedestroy($process);
imagedestroy($src_img);
exit();
}
imagecopyresampled($thumb, $process, 0, 0, ($x_mid-($thumbnail_width/2)), ($y_mid-($thumbnail_height/2)), $thumbnail_width, $thumbnail_height, $thumbnail_width, $thumbnail_height);
if ($thumb !== false) {
header('Content-Type: image/png');
imagepng($thumb);
} else {
getStandardImage();
OC_Log::write('contacts','Error resampling thumb image for '.$id.' '.$thumbnail_width.'x'.$thumbnail_height,OC_Log::ERROR);
//echo 'An error occurred resampling thumb.';
}
imagedestroy($thumb);
imagedestroy($process);
imagedestroy($src_img);
}
else {
getStandardImage();
}
exit();
}
}
getStandardImage();
// Not found :-(
//echo $l10n->t('This card does not contain a photo.');
|
