3 * @copyright Copyright (C) 2010-2021, the Friendica project
5 * @license GNU AGPL version 3 or any later version
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
22 namespace Friendica\Module;
24 use Friendica\BaseModule;
25 use Friendica\Core\Logger;
26 use Friendica\Database\DBA;
28 use Friendica\Model\Contact;
29 use Friendica\Model\Photo as MPhoto;
30 use Friendica\Util\Proxy;
31 use Friendica\Object\Image;
36 class Photo extends BaseModule
41 * Fetch a photo or an avatar, in optional size, check for permissions and
44 public static function rawContent(array $parameters = [])
46 $totalstamp = microtime(true);
48 // @TODO: Replace with parameter from router
49 if ($a->argc <= 1 || $a->argc > 4) {
50 throw new \Friendica\Network\HTTPException\BadRequestException();
53 if (isset($_SERVER["HTTP_IF_MODIFIED_SINCE"])) {
54 header("HTTP/1.1 304 Not Modified");
55 header("Last-Modified: " . gmdate("D, d M Y H:i:s", time()) . " GMT");
56 if (!empty($_SERVER["HTTP_IF_NONE_MATCH"])) {
57 header("Etag: " . $_SERVER["HTTP_IF_NONE_MATCH"]);
59 header("Expires: " . gmdate("D, d M Y H:i:s", time() + (31536000)) . " GMT");
60 header("Cache-Control: max-age=31536000");
61 if (function_exists("header_remove")) {
62 header_remove("Last-Modified");
63 header_remove("Expires");
64 header_remove("Cache-Control");
72 // @TODO: Replace with parameter from router
73 $stamp = microtime(true);
76 $customsize = intval($a->argv[2]);
77 $uid = MPhoto::stripExtension($a->argv[3]);
78 $photo = self::getAvatar($uid, $a->argv[1]);
81 $uid = MPhoto::stripExtension($a->argv[2]);
82 $photo = self::getAvatar($uid, $a->argv[1]);
85 $photoid = MPhoto::stripExtension($a->argv[1]);
87 if (substr($photoid, -2, 1) == "-") {
88 $scale = intval(substr($photoid, -1, 1));
89 $photoid = substr($photoid, 0, -2);
91 $photo = MPhoto::getPhoto($photoid, $scale);
92 if ($photo === false) {
93 throw new \Friendica\Network\HTTPException\NotFoundException(DI::l10n()->t('The Photo with id %s is not available.', $photoid));
97 $fetch = microtime(true) - $stamp;
99 if ($photo === false) {
100 throw new \Friendica\Network\HTTPException\NotFoundException();
103 $cacheable = ($photo["allow_cid"] . $photo["allow_gid"] . $photo["deny_cid"] . $photo["deny_gid"] === "") && (isset($photo["cacheable"]) ? $photo["cacheable"] : true);
105 $stamp = microtime(true);
106 $imgdata = MPhoto::getImageDataForPhoto($photo);
107 $data = microtime(true) - $stamp;
109 if (empty($imgdata)) {
110 Logger::warning("Invalid photo with id {$photo["id"]}.");
111 throw new \Friendica\Network\HTTPException\InternalServerErrorException(DI::l10n()->t('Invalid photo with id %s.', $photo["id"]));
114 // if customsize is set and image is not a gif, resize it
115 if ($photo['type'] !== "image/gif" && $customsize > 0 && $customsize < 501) {
116 $img = new Image($imgdata, $photo['type']);
117 $img->scaleToSquare($customsize);
118 $imgdata = $img->asString();
121 if (function_exists("header_remove")) {
122 header_remove("Pragma");
123 header_remove("pragma");
126 header("Content-type: " . $photo['type']);
128 $stamp = microtime(true);
130 // it is a private photo that they have no permission to view.
131 // tell the browser not to cache it, in case they authenticate
132 // and subsequently have permission to see it
133 header("Cache-Control: no-store, no-cache, must-revalidate");
135 $md5 = $photo['hash'] ?: md5($imgdata);
136 header("Last-Modified: " . gmdate("D, d M Y H:i:s", time()) . " GMT");
137 header("Etag: \"{$md5}\"");
138 header("Expires: " . gmdate("D, d M Y H:i:s", time() + (31536000)) . " GMT");
139 header("Cache-Control: max-age=31536000");
141 $checksum = microtime(true) - $stamp;
143 $stamp = microtime(true);
145 $output = microtime(true) - $stamp;
147 $total = microtime(true) - $totalstamp;
148 $rest = $total - ($fetch + $data + $checksum + $output);
150 if (!is_null($scale) && ($scale < 4)) {
151 Logger::info('Performance:', ['scale' => $scale, 'resource' => $photo['resource-id'],
152 'total' => number_format($total, 3), 'fetch' => number_format($fetch, 3),
153 'data' => number_format($data, 3), 'checksum' => number_format($checksum, 3),
154 'output' => number_format($output, 3), 'rest' => number_format($rest, 3)]);
160 private static function getAvatar($uid, $type="avatar")
175 $photo = MPhoto::selectFirst([], ["scale" => $scale, "uid" => $uid, "profile" => 1]);
177 $contact = DBA::selectFirst('contact', [], ['uid' => $uid, 'self' => true]) ?: [];
182 $default = Contact::getDefaultAvatar($contact, Proxy::SIZE_SMALL);
185 $default = Contact::getDefaultAvatar($contact, Proxy::SIZE_MICRO);
189 $default = Contact::getDefaultAvatar($contact, Proxy::SIZE_THUMB);
192 $photo = MPhoto::createPhotoForSystemResource($default);