2018-11-20 22:33:35 +01:00
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<?php
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/**
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2020-02-09 16:18:46 +01:00
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* @copyright Copyright (C) 2020, Friendica
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*
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* @license GNU AGPL version 3 or any later version
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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 Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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2018-11-20 22:33:35 +01:00
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*/
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namespace Friendica\Module;
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use Friendica\BaseModule;
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use Friendica\Core\Logger;
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2019-12-15 22:34:11 +01:00
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use Friendica\DI;
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2020-08-18 22:30:24 +02:00
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use Friendica\Model\Contact;
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2018-11-20 22:33:35 +01:00
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use Friendica\Model\Photo as MPhoto;
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/**
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2020-01-19 07:05:23 +01:00
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* Photo Module
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2018-11-20 22:33:35 +01:00
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*/
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class Photo extends BaseModule
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{
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/**
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2020-01-19 07:05:23 +01:00
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* Module initializer
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2018-11-20 22:33:35 +01:00
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*
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* Fetch a photo or an avatar, in optional size, check for permissions and
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* return the image
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*/
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2019-11-05 22:48:54 +01:00
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public static function init(array $parameters = [])
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2018-11-20 22:33:35 +01:00
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{
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2019-12-15 22:34:11 +01:00
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$a = DI::app();
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2019-05-01 21:29:04 +02:00
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// @TODO: Replace with parameter from router
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2018-11-20 22:33:35 +01:00
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if ($a->argc <= 1 || $a->argc > 4) {
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2019-05-02 05:16:10 +02:00
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throw new \Friendica\Network\HTTPException\BadRequestException();
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2018-11-20 22:33:35 +01:00
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}
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2018-11-21 15:10:47 +01:00
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if (isset($_SERVER["HTTP_IF_MODIFIED_SINCE"])) {
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header("HTTP/1.1 304 Not Modified");
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2018-11-20 22:33:35 +01:00
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header("Last-Modified: " . gmdate("D, d M Y H:i:s", time()) . " GMT");
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2018-11-21 15:10:47 +01:00
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if (!empty($_SERVER["HTTP_IF_NONE_MATCH"])) {
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header("Etag: " . $_SERVER["HTTP_IF_NONE_MATCH"]);
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2018-11-20 22:33:35 +01:00
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}
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header("Expires: " . gmdate("D, d M Y H:i:s", time() + (31536000)) . " GMT");
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header("Cache-Control: max-age=31536000");
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2018-11-21 15:10:47 +01:00
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if (function_exists("header_remove")) {
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header_remove("Last-Modified");
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header_remove("Expires");
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header_remove("Cache-Control");
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2018-11-20 22:33:35 +01:00
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}
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exit;
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}
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$customsize = 0;
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2019-01-21 22:53:03 +01:00
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$photo = false;
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2019-05-01 21:29:04 +02:00
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// @TODO: Replace with parameter from router
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2018-11-20 22:33:35 +01:00
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switch($a->argc) {
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2019-01-21 22:53:03 +01:00
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case 4:
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$customsize = intval($a->argv[2]);
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2019-08-04 05:45:23 +02:00
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$uid = MPhoto::stripExtension($a->argv[3]);
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2019-01-21 22:53:03 +01:00
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$photo = self::getAvatar($uid, $a->argv[1]);
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break;
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case 3:
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2019-08-04 05:45:23 +02:00
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$uid = MPhoto::stripExtension($a->argv[2]);
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2019-01-21 22:53:03 +01:00
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$photo = self::getAvatar($uid, $a->argv[1]);
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break;
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case 2:
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2019-08-04 05:45:23 +02:00
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$photoid = MPhoto::stripExtension($a->argv[1]);
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2019-01-21 22:53:03 +01:00
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$scale = 0;
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if (substr($photoid, -2, 1) == "-") {
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$scale = intval(substr($photoid, -1, 1));
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$photoid = substr($photoid, 0, -2);
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}
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$photo = MPhoto::getPhoto($photoid, $scale);
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if ($photo === false) {
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2020-03-08 14:16:59 +01:00
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throw new \Friendica\Network\HTTPException\NotFoundException(DI::l10n()->t('The Photo with id %s is not available.', $photoid));
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2019-01-21 22:53:03 +01:00
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}
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break;
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2018-11-20 22:33:35 +01:00
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}
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2018-11-21 16:37:32 +01:00
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if ($photo === false) {
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2020-03-08 14:16:59 +01:00
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throw new \Friendica\Network\HTTPException\NotFoundException();
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2018-11-20 22:33:35 +01:00
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}
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2018-11-21 15:12:11 +01:00
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$cacheable = ($photo["allow_cid"] . $photo["allow_gid"] . $photo["deny_cid"] . $photo["deny_gid"] === "") && (isset($photo["cacheable"]) ? $photo["cacheable"] : true);
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2018-11-20 22:33:35 +01:00
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2018-11-20 23:15:03 +01:00
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$img = MPhoto::getImageForPhoto($photo);
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2018-11-20 22:33:35 +01:00
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if (is_null($img) || !$img->isValid()) {
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2018-11-21 15:10:47 +01:00
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Logger::log("Invalid photo with id {$photo["id"]}.");
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2020-01-18 20:52:34 +01:00
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throw new \Friendica\Network\HTTPException\InternalServerErrorException(DI::l10n()->t('Invalid photo with id %s.', $photo["id"]));
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2018-11-20 22:33:35 +01:00
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}
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// if customsize is set and image is not a gif, resize it
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if ($img->getType() !== "image/gif" && $customsize > 0 && $customsize < 501) {
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$img->scaleToSquare($customsize);
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}
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2018-11-21 15:10:47 +01:00
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if (function_exists("header_remove")) {
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header_remove("Pragma");
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header_remove("pragma");
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2018-11-20 22:33:35 +01:00
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}
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header("Content-type: " . $img->getType());
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if (!$cacheable) {
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// it is a private photo that they have no permission to view.
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// tell the browser not to cache it, in case they authenticate
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// and subsequently have permission to see it
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header("Cache-Control: no-store, no-cache, must-revalidate");
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} else {
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2018-11-21 15:10:47 +01:00
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$md5 = md5($img->asString());
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2018-11-20 22:33:35 +01:00
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header("Last-Modified: " . gmdate("D, d M Y H:i:s", time()) . " GMT");
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2018-11-21 15:10:47 +01:00
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header("Etag: \"{$md5}\"");
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2018-11-20 22:33:35 +01:00
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header("Expires: " . gmdate("D, d M Y H:i:s", time() + (31536000)) . " GMT");
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header("Cache-Control: max-age=31536000");
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}
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echo $img->asString();
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2018-12-26 06:40:12 +01:00
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exit();
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2018-11-20 22:33:35 +01:00
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}
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private static function getAvatar($uid, $type="avatar")
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{
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switch($type) {
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case "profile":
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case "custom":
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$scale = 4;
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2020-08-18 22:30:24 +02:00
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$default = Contact::DEFAULT_AVATAR_PHOTO;
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2018-11-20 22:33:35 +01:00
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break;
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case "micro":
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$scale = 6;
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2020-08-18 22:30:24 +02:00
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$default = Contact::DEFAULT_AVATAR_MICRO;
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2018-11-20 22:33:35 +01:00
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break;
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case "avatar":
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default:
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$scale = 5;
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2020-08-18 22:30:24 +02:00
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$default = Contact::DEFAULT_AVATAR_THUMB;
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2018-11-20 22:33:35 +01:00
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}
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$photo = MPhoto::selectFirst([], ["scale" => $scale, "uid" => $uid, "profile" => 1]);
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2018-11-21 16:36:29 +01:00
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if ($photo === false) {
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2018-11-21 09:37:13 +01:00
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$photo = MPhoto::createPhotoForSystemResource($default);
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2018-11-20 22:33:35 +01:00
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}
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return $photo;
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}
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2018-11-21 15:10:47 +01:00
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}
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