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\Model\Post;
31 use Friendica\Model\Storage\ExternalResource;
32 use Friendica\Util\Proxy;
33 use Friendica\Object\Image;
34 use Friendica\Util\Images;
39 class Photo extends BaseModule
44 * Fetch a photo or an avatar, in optional size, check for permissions and
47 public static function rawContent(array $parameters = [])
49 $totalstamp = microtime(true);
51 if (isset($_SERVER["HTTP_IF_MODIFIED_SINCE"])) {
52 header("HTTP/1.1 304 Not Modified");
53 header("Last-Modified: " . gmdate("D, d M Y H:i:s", time()) . " GMT");
54 if (!empty($_SERVER["HTTP_IF_NONE_MATCH"])) {
55 header("Etag: " . $_SERVER["HTTP_IF_NONE_MATCH"]);
57 header("Expires: " . gmdate("D, d M Y H:i:s", time() + (31536000)) . " GMT");
58 header("Cache-Control: max-age=31536000");
59 if (function_exists("header_remove")) {
60 header_remove("Last-Modified");
61 header_remove("Expires");
62 header_remove("Cache-Control");
68 $square_resize = true;
71 $stamp = microtime(true);
72 if (!empty($parameters['customsize'])) {
73 $customsize = intval($parameters['customsize']);
74 $uid = MPhoto::stripExtension($parameters['name']);
75 $photo = self::getAvatar($uid, $parameters['type'], $customsize);
76 $square_resize = !in_array($parameters['type'], ['media', 'preview']);
77 } elseif (!empty($parameters['type'])) {
78 $uid = MPhoto::stripExtension($parameters['name']);
79 $photo = self::getAvatar($uid, $parameters['type'], Proxy::PIXEL_SMALL);
80 } elseif (!empty($parameters['name'])) {
81 $photoid = MPhoto::stripExtension($parameters['name']);
83 if (substr($photoid, -2, 1) == "-") {
84 $scale = intval(substr($photoid, -1, 1));
85 $photoid = substr($photoid, 0, -2);
87 $photo = MPhoto::getPhoto($photoid, $scale);
88 if ($photo === false) {
89 throw new \Friendica\Network\HTTPException\NotFoundException(DI::l10n()->t('The Photo with id %s is not available.', $photoid));
92 throw new \Friendica\Network\HTTPException\BadRequestException();
94 $fetch = microtime(true) - $stamp;
96 if ($photo === false) {
97 throw new \Friendica\Network\HTTPException\NotFoundException();
100 $cacheable = ($photo["allow_cid"] . $photo["allow_gid"] . $photo["deny_cid"] . $photo["deny_gid"] === "") && (isset($photo["cacheable"]) ? $photo["cacheable"] : true);
102 $stamp = microtime(true);
103 $imgdata = MPhoto::getImageDataForPhoto($photo);
105 // The mimetype for an external resource can only be known after it had been fetched
106 if ($photo['backend-class'] == ExternalResource::NAME) {
107 $mimetype = Images::getMimeTypeByData($imgdata);
108 if (!empty($mimetype)) {
109 $photo['type'] = $mimetype;
113 $data = microtime(true) - $stamp;
115 if (empty($imgdata)) {
116 Logger::warning("Invalid photo with id {$photo["id"]}.");
117 throw new \Friendica\Network\HTTPException\InternalServerErrorException(DI::l10n()->t('Invalid photo with id %s.', $photo["id"]));
120 // if customsize is set and image is not a gif, resize it
121 if ($photo['type'] !== "image/gif" && $customsize > 0 && $customsize <= Proxy::PIXEL_THUMB && $square_resize) {
122 $img = new Image($imgdata, $photo['type']);
123 $img->scaleToSquare($customsize);
124 $imgdata = $img->asString();
125 } elseif ($photo['type'] !== "image/gif" && $customsize > 0) {
126 $img = new Image($imgdata, $photo['type']);
127 $img->scaleDown($customsize);
128 $imgdata = $img->asString();
131 if (function_exists("header_remove")) {
132 header_remove("Pragma");
133 header_remove("pragma");
136 header("Content-type: " . $photo['type']);
138 $stamp = microtime(true);
140 // it is a private photo that they have no permission to view.
141 // tell the browser not to cache it, in case they authenticate
142 // and subsequently have permission to see it
143 header("Cache-Control: no-store, no-cache, must-revalidate");
145 $md5 = $photo['hash'] ?: md5($imgdata);
146 header("Last-Modified: " . gmdate("D, d M Y H:i:s", time()) . " GMT");
147 header("Etag: \"{$md5}\"");
148 header("Expires: " . gmdate("D, d M Y H:i:s", time() + (31536000)) . " GMT");
149 header("Cache-Control: max-age=31536000");
151 $checksum = microtime(true) - $stamp;
153 $stamp = microtime(true);
155 $output = microtime(true) - $stamp;
157 $total = microtime(true) - $totalstamp;
158 $rest = $total - ($fetch + $data + $checksum + $output);
160 if (!is_null($scale) && ($scale < 4)) {
161 Logger::info('Performance:', ['scale' => $scale, 'resource' => $photo['resource-id'],
162 'total' => number_format($total, 3), 'fetch' => number_format($fetch, 3),
163 'data' => number_format($data, 3), 'checksum' => number_format($checksum, 3),
164 'output' => number_format($output, 3), 'rest' => number_format($rest, 3)]);
170 private static function getAvatar($uid, $type="avatar", $customsize)
174 $media = DBA::selectFirst('post-media', ['preview', 'url', 'type', 'uri-id'], ['id' => $uid]);
178 $url = $media['preview'];
180 if (empty($url) && ($media['type'] == Post\Media::IMAGE)) {
181 $url = $media['url'];
188 return MPhoto::createPhotoForExternalResource($url, (int)local_user());
190 $media = DBA::selectFirst('post-media', ['url', 'uri-id'], ['id' => $uid, 'type' => Post\Media::IMAGE]);
195 return MPhoto::createPhotoForExternalResource($media['url'], (int)local_user());
197 $contact = Contact::getById($uid, ['uid', 'url', 'avatar', 'photo', 'xmpp', 'addr']);
198 if (empty($contact)) {
201 If (($contact['uid'] != 0) && empty($contact['photo']) && empty($contact['avatar'])) {
202 $contact = Contact::getByURL($contact['url'], false, ['avatar', 'photo', 'xmpp', 'addr']);
204 if (!empty($contact['photo'])) {
205 // Fetch photo directly
206 $resourceid = MPhoto::ridFromURI($contact['photo']);
207 if (!empty($resourceid)) {
208 $photo = MPhoto::selectFirst([], ['resource-id' => $resourceid], ['order' => ['scale']]);
209 if (!empty($photo)) {
213 $url = $contact['photo'];
214 } elseif (!empty($contact['avatar'])) {
215 $url = $contact['avatar'];
216 } elseif ($customsize <= Proxy::PIXEL_MICRO) {
217 $url = Contact::getDefaultAvatar($contact, Proxy::SIZE_MICRO);
218 } elseif ($customsize <= Proxy::PIXEL_THUMB) {
219 $url = Contact::getDefaultAvatar($contact, Proxy::SIZE_THUMB);
221 $url = Contact::getDefaultAvatar($contact, Proxy::SIZE_SMALL);
223 return MPhoto::createPhotoForExternalResource($url);
225 $contact = Contact::getById($uid, ['uid', 'url', 'header']);
226 if (empty($contact)) {
229 If (($contact['uid'] != 0) && empty($contact['header'])) {
230 $contact = Contact::getByURL($contact['url'], false, ['header']);
232 if (!empty($contact['header'])) {
233 $url = $contact['header'];
235 $url = DI::baseUrl() . '/images/blank.png';
237 return MPhoto::createPhotoForExternalResource($url);
250 $photo = MPhoto::selectFirst([], ["scale" => $scale, "uid" => $uid, "profile" => 1]);
252 $contact = DBA::selectFirst('contact', [], ['uid' => $uid, 'self' => true]) ?: [];
257 $default = Contact::getDefaultAvatar($contact, Proxy::SIZE_SMALL);
260 $default = Contact::getDefaultAvatar($contact, Proxy::SIZE_MICRO);
264 $default = Contact::getDefaultAvatar($contact, Proxy::SIZE_THUMB);
267 $parts = parse_url($default);
268 if (!empty($parts['scheme']) || !empty($parts['host'])) {
269 $photo = MPhoto::createPhotoForExternalResource($default);
271 $photo = MPhoto::createPhotoForSystemResource($default);