361 lines
12 KiB
PHP
361 lines
12 KiB
PHP
<?php
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/**
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* @copyright Copyright (C) 2010-2021, 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\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\Model\Storage\ExternalResource;
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use Friendica\Model\Storage\SystemResource;
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use Friendica\Model\User;
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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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public static function rawContent(array $parameters = [])
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{
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$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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$stamp = microtime(true);
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// User avatar
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if (!empty($parameters['type'])) {
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if (!empty($parameters['customsize'])) {
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$customsize = intval($parameters['customsize']);
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$square_resize = !in_array($parameters['type'], ['media', 'preview']);
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}
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if (!empty($parameters['guid'])) {
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$guid = $parameters['guid'];
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$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 = $account['id'];
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}
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// Contact Id Fallback, to remove after version 2021.12
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if (isset($parameters['contact_id'])) {
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$id = intval($parameters['contact_id']);
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}
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if (!empty($parameters['nickname_ext'])) {
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$nickname = pathinfo($parameters['nickname_ext'], PATHINFO_FILENAME);
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$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 = $user['uid'];
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}
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// User Id Fallback, to remove after version 2021.12
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if (!empty($parameters['uid_ext'])) {
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$id = intval(pathinfo($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($parameters['id'])) {
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$id = $parameters['id'];
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}
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if (empty($id)) {
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Logger::notice('No picture id was detected', ['parameters' => $parameters, 'query' => DI::args()->getQueryString()]);
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throw new HTTPException\NotFoundException(DI::l10n()->t('The Photo is not available.'));
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}
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$photo = self::getPhotoByid($id, $parameters['type'], $customsize ?: Proxy::PIXEL_SMALL);
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} else {
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$photoid = pathinfo($parameters['name'], PATHINFO_FILENAME);
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$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::info('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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exit();
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}
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private static function getPhotoByid(int $id, $type, $customsize)
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{
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switch($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(), $link['mimetype']);
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case "contact":
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$contact = Contact::getById($id, ['uid', 'url', 'avatar', 'photo', 'xmpp', 'addr']);
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if (empty($contact)) {
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return false;
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}
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If (($contact['uid'] != 0) && empty($contact['photo']) && empty($contact['avatar'])) {
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$contact = Contact::getByURL($contact['url'], false, ['avatar', 'photo', 'xmpp', 'addr']);
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}
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if (!empty($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 $photo;
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}
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}
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// We continue with the avatar link when the photo link is invalid
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$url = $contact['avatar'];
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} elseif (!empty($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($url);
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if (empty($mime) || ($mime[0] != 'image')) {
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$url = '';
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} else {
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$mimetext = $mime[0] . '/' . $mime[1];
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}
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}
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if (empty($url)) {
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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, $mimetext);
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case "header":
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$contact = Contact::getById($id, ['uid', 'url', 'header']);
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if (empty($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, ['header']);
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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 = DI::baseUrl() . '/images/blank.png';
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}
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return MPhoto::createPhotoForExternalResource($url);
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case "profile":
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case "custom":
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$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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