mirror of https://github.com/friendica/friendica
423 lines
14 KiB
PHP
423 lines
14 KiB
PHP
<?php
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/**
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* @copyright Copyright (C) 2010-2022, the Friendica project
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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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*/
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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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use Friendica\Core\Protocol;
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use Friendica\Database\DBA;
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use Friendica\DI;
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use Friendica\Model\Contact;
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use Friendica\Model\Photo as MPhoto;
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use Friendica\Model\Post;
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use Friendica\Model\Profile;
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use Friendica\Core\Storage\Type\ExternalResource;
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use Friendica\Core\Storage\Type\SystemResource;
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use Friendica\Core\System;
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use Friendica\Core\Worker;
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use Friendica\Model\User;
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use Friendica\Network\HTTPClient\Client\HttpClientAccept;
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use Friendica\Network\HTTPClient\Client\HttpClientOptions;
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use Friendica\Network\HTTPException;
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use Friendica\Network\HTTPException\NotModifiedException;
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use Friendica\Object\Image;
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use Friendica\Util\Images;
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use Friendica\Util\Network;
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use Friendica\Util\ParseUrl;
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use Friendica\Util\Proxy;
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/**
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* Photo Module
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*/
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class Photo extends BaseModule
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{
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/**
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* Module initializer
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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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protected function rawContent(array $request = [])
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{
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$totalstamp = microtime(true);
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if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE'])) {
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header('Last-Modified: ' . gmdate('D, d M Y H:i:s', time()) . ' GMT');
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if (!empty($_SERVER['HTTP_IF_NONE_MATCH'])) {
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header('Etag: ' . $_SERVER['HTTP_IF_NONE_MATCH']);
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}
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header('Expires: ' . gmdate('D, d M Y H:i:s', time() + (31536000)) . ' GMT');
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header('Cache-Control: max-age=31536000');
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if (function_exists('header_remove')) {
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header_remove('Last-Modified');
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header_remove('Expires');
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header_remove('Cache-Control');
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}
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throw new NotModifiedException();
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}
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Profile::addVisitorCookieForHTTPSigner();
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$customsize = 0;
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$square_resize = true;
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$scale = null;
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$stamp = microtime(true);
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// User avatar
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if (!empty($this->parameters['type'])) {
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if (!empty($this->parameters['customsize'])) {
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$customsize = intval($this->parameters['customsize']);
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$square_resize = !in_array($this->parameters['type'], ['media', 'preview']);
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}
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if (!empty($this->parameters['guid'])) {
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$guid = $this->parameters['guid'];
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$account = DBA::selectFirst('account-user-view', ['id'], ['guid' => $guid], ['order' => ['uid' => true]]);
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if (empty($account)) {
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throw new HTTPException\NotFoundException();
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}
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$id = $account['id'];
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}
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// Contact Id Fallback, to remove after version 2021.12
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if (isset($this->parameters['contact_id'])) {
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$id = intval($this->parameters['contact_id']);
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}
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if (!empty($this->parameters['nickname_ext'])) {
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$nickname = pathinfo($this->parameters['nickname_ext'], PATHINFO_FILENAME);
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$user = User::getByNickname($nickname, ['uid']);
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if (empty($user)) {
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throw new HTTPException\NotFoundException();
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}
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$id = $user['uid'];
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}
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// User Id Fallback, to remove after version 2021.12
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if (!empty($this->parameters['uid_ext'])) {
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$id = intval(pathinfo($this->parameters['uid_ext'], PATHINFO_FILENAME));
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}
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// Please refactor this for the love of everything that's good
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if (isset($this->parameters['id'])) {
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$id = $this->parameters['id'];
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}
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if (empty($id)) {
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Logger::notice('No picture id was detected', ['parameters' => $this->parameters, 'query' => DI::args()->getQueryString()]);
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throw new HTTPException\NotFoundException(DI::l10n()->t('The Photo is not available.'));
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}
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$photo = self::getPhotoById($id, $this->parameters['type'], $customsize ?: Proxy::PIXEL_SMALL);
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} else {
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$photoid = pathinfo($this->parameters['name'], PATHINFO_FILENAME);
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$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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throw new HTTPException\NotFoundException(DI::l10n()->t('The Photo with id %s is not available.', $photoid));
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}
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}
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$fetch = microtime(true) - $stamp;
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if ($photo === false) {
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throw new HTTPException\NotFoundException();
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}
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$cacheable = ($photo['allow_cid'] . $photo['allow_gid'] . $photo['deny_cid'] . $photo['deny_gid'] === '') && (isset($photo['cacheable']) ? $photo['cacheable'] : true);
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$stamp = microtime(true);
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$imgdata = MPhoto::getImageDataForPhoto($photo);
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if (empty($imgdata)) {
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throw new HTTPException\NotFoundException();
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}
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// The mimetype for an external or system resource can only be known reliably after it had been fetched
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if (in_array($photo['backend-class'], [ExternalResource::NAME, SystemResource::NAME])) {
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$mimetype = Images::getMimeTypeByData($imgdata);
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if (!empty($mimetype)) {
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$photo['type'] = $mimetype;
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}
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}
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$data = microtime(true) - $stamp;
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if (empty($imgdata)) {
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Logger::warning('Invalid photo', ['id' => $photo['id']]);
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if (in_array($photo['backend-class'], [ExternalResource::NAME])) {
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$reference = json_decode($photo['backend-ref'], true);
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$error = DI::l10n()->t('Invalid external resource with url %s.', $reference['url']);
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} else {
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$error = DI::l10n()->t('Invalid photo with id %s.', $photo['id']);
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}
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throw new HTTPException\InternalServerErrorException($error);
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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 ($photo['type'] !== 'image/gif' && $customsize > 0 && $customsize <= Proxy::PIXEL_THUMB && $square_resize) {
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$img = new Image($imgdata, $photo['type']);
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$img->scaleToSquare($customsize);
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$imgdata = $img->asString();
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} elseif ($photo['type'] !== 'image/gif' && $customsize > 0) {
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$img = new Image($imgdata, $photo['type']);
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$img->scaleDown($customsize);
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$imgdata = $img->asString();
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}
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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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}
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header('Content-type: ' . $photo['type']);
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$stamp = microtime(true);
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if (!$cacheable) {
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// it is a private photo that they have no permission to view.
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// tell the browser not to cache it, in case they authenticate
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// and subsequently have permission to see it
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header('Cache-Control: no-store, no-cache, must-revalidate');
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} else {
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$md5 = $photo['hash'] ?: md5($imgdata);
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header('Last-Modified: ' . gmdate('D, d M Y H:i:s', time()) . ' GMT');
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header("Etag: \"{$md5}\"");
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header('Expires: ' . gmdate('D, d M Y H:i:s', time() + (31536000)) . ' GMT');
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header('Cache-Control: max-age=31536000');
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}
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$checksum = microtime(true) - $stamp;
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$stamp = microtime(true);
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echo $imgdata;
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$output = microtime(true) - $stamp;
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$total = microtime(true) - $totalstamp;
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$rest = $total - ($fetch + $data + $checksum + $output);
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if (!is_null($scale) && ($scale < 4)) {
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Logger::debug('Performance:', ['scale' => $scale, 'resource' => $photo['resource-id'],
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'total' => number_format($total, 3), 'fetch' => number_format($fetch, 3),
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'data' => number_format($data, 3), 'checksum' => number_format($checksum, 3),
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'output' => number_format($output, 3), 'rest' => number_format($rest, 3)]);
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}
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System::exit();
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}
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/**
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* Fetches photo record by given id number, type and custom size
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*
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* @param int $id Photo id
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* @param string $type Photo type
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* @param int $customsize Custom size (?)
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* @return array|bool Array on success, false on error
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*/
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private static function getPhotoById(int $id, string $type, int $customsize)
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{
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switch($type) {
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case 'preview':
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$media = DBA::selectFirst('post-media', ['preview', 'url', 'mimetype', 'type', 'uri-id'], ['id' => $id]);
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if (empty($media)) {
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return false;
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}
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$url = $media['preview'];
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if (empty($url) && ($media['type'] == Post\Media::IMAGE)) {
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$url = $media['url'];
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}
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if (empty($url)) {
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return false;
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}
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if (Network::isLocalLink($url) && preg_match('|.*?/photo/(.*[a-fA-F0-9])\-(.*[0-9])\..*[\w]|', $url, $matches)) {
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return MPhoto::getPhoto($matches[1], $matches[2]);
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}
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return MPhoto::createPhotoForExternalResource($url, (int)local_user(), $media['mimetype'] ?? '');
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case 'media':
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$media = DBA::selectFirst('post-media', ['url', 'mimetype', 'uri-id'], ['id' => $id, 'type' => Post\Media::IMAGE]);
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if (empty($media)) {
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return false;
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}
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if (Network::isLocalLink($media['url']) && preg_match('|.*?/photo/(.*[a-fA-F0-9])\-(.*[0-9])\..*[\w]|', $media['url'], $matches)) {
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return MPhoto::getPhoto($matches[1], $matches[2]);
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}
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return MPhoto::createPhotoForExternalResource($media['url'], (int)local_user(), $media['mimetype']);
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case 'link':
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$link = DBA::selectFirst('post-link', ['url', 'mimetype'], ['id' => $id]);
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if (empty($link)) {
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return false;
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}
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return MPhoto::createPhotoForExternalResource($link['url'], (int)local_user(), $link['mimetype'] ?? '');
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case 'contact':
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$fields = ['uid', 'uri-id', 'url', 'nurl', 'avatar', 'photo', 'xmpp', 'addr', 'network', 'failed', 'updated'];
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$contact = Contact::getById($id, $fields);
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if (empty($contact)) {
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return false;
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}
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// For local users directly use the photo record that is marked as the profile
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if (Network::isLocalLink($contact['url'])) {
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$contact = Contact::selectFirst($fields, ['nurl' => $contact['nurl'], 'self' => true]);
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if (!empty($contact)) {
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if ($customsize <= Proxy::PIXEL_MICRO) {
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$scale = 6;
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} elseif ($customsize <= Proxy::PIXEL_THUMB) {
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$scale = 5;
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} else {
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$scale = 4;
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}
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$photo = MPhoto::selectFirst([], ['scale' => $scale, 'uid' => $contact['uid'], 'profile' => 1]);
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if (!empty($photo)) {
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return $photo;
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}
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}
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}
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if (!empty($contact['uid']) && empty($contact['photo']) && empty($contact['avatar'])) {
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$contact = Contact::getByURL($contact['url'], false, $fields);
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}
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if (!empty($contact['photo']) && !empty($contact['avatar'])) {
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// Fetch photo directly
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$resourceid = MPhoto::ridFromURI($contact['photo']);
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if (!empty($resourceid)) {
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$photo = MPhoto::selectFirst([], ['resource-id' => $resourceid], ['order' => ['scale']]);
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if (!empty($photo)) {
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return $photo;
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} else {
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$url = $contact['avatar'];
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}
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} else {
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$url = $contact['photo'];
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}
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} elseif (!empty($contact['avatar'])) {
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$url = $contact['avatar'];
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}
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$mimetext = '';
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if (!empty($url)) {
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$mime = ParseUrl::getContentType($url, HttpClientAccept::IMAGE);
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if (!empty($mime)) {
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$mimetext = $mime[0] . '/' . $mime[1];
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} else {
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// Only update federated accounts that hadn't failed before and hadn't been updated recently
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$update = in_array($contact['network'], Protocol::FEDERATED) && !$contact['failed']
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&& ((time() - strtotime($contact['updated']) > 86400));
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if ($update) {
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$curlResult = DI::httpClient()->head($url, [HttpClientOptions::ACCEPT_CONTENT => HttpClientAccept::IMAGE]);
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$update = !$curlResult->isSuccess() && ($curlResult->getReturnCode() == 404);
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Logger::debug('Got return code for avatar', ['return code' => $curlResult->getReturnCode(), 'cid' => $id, 'url' => $contact['url'], 'avatar' => $url]);
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}
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if ($update) {
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Logger::info('Invalid file, contact update initiated', ['cid' => $id, 'url' => $contact['url'], 'avatar' => $url]);
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Worker::add(PRIORITY_LOW, 'UpdateContact', $id);
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} else {
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Logger::info('Invalid file', ['cid' => $id, 'url' => $contact['url'], 'avatar' => $url]);
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}
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}
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if (!empty($mimetext) && ($mime[0] != 'image') && ($mimetext != 'application/octet-stream')) {
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Logger::info('Unexpected Content-Type', ['mime' => $mimetext, 'url' => $url]);
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$mimetext = '';
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} if (!empty($mimetext)) {
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Logger::debug('Expected Content-Type', ['mime' => $mimetext, 'url' => $url]);
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}
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}
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if (empty($mimetext)) {
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if ($customsize <= Proxy::PIXEL_MICRO) {
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$url = Contact::getDefaultAvatar($contact ?: [], Proxy::SIZE_MICRO);
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} elseif ($customsize <= Proxy::PIXEL_THUMB) {
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$url = Contact::getDefaultAvatar($contact ?: [], Proxy::SIZE_THUMB);
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} else {
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$url = Contact::getDefaultAvatar($contact ?: [], Proxy::SIZE_SMALL);
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}
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}
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return MPhoto::createPhotoForExternalResource($url, 0, $mimetext);
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case 'header':
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$fields = ['uid', 'url', 'header', 'network', 'gsid'];
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$contact = Contact::getById($id, $fields);
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if (empty($contact)) {
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return false;
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}
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If (($contact['uid'] != 0) && empty($contact['header'])) {
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$contact = Contact::getByURL($contact['url'], false, $fields);
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}
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if (!empty($contact['header'])) {
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$url = $contact['header'];
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} else {
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$url = Contact::getDefaultHeader($contact);
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}
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return MPhoto::createPhotoForExternalResource($url);
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case 'banner':
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$photo = MPhoto::selectFirst([], ['scale' => 3, 'uid' => $id, 'photo-type' => MPhoto::USER_BANNER]);
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if (!empty($photo)) {
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return $photo;
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}
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return MPhoto::createPhotoForExternalResource(DI::baseUrl() . '/images/friendica-banner.jpg');
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case 'profile':
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case 'custom':
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$scale = 4;
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break;
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case 'micro':
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$scale = 6;
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break;
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case 'avatar':
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default:
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$scale = 5;
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}
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$photo = MPhoto::selectFirst([], ['scale' => $scale, 'uid' => $id, 'profile' => 1]);
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if (empty($photo)) {
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$contact = DBA::selectFirst('contact', [], ['uid' => $id, 'self' => true]) ?: [];
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switch($type) {
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case 'profile':
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case 'custom':
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$default = Contact::getDefaultAvatar($contact, Proxy::SIZE_SMALL);
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break;
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case 'micro':
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$default = Contact::getDefaultAvatar($contact, Proxy::SIZE_MICRO);
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break;
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case 'avatar':
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default:
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$default = Contact::getDefaultAvatar($contact, Proxy::SIZE_THUMB);
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}
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$parts = parse_url($default);
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if (!empty($parts['scheme']) || !empty($parts['host'])) {
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$photo = MPhoto::createPhotoForExternalResource($default);
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} else {
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$photo = MPhoto::createPhotoForSystemResource($default);
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}
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}
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return $photo;
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}
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}
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