3 * @file src/Module/Photo.php
6 namespace Friendica\Module;
8 use Friendica\BaseModule;
9 use Friendica\Core\L10n;
10 use Friendica\Core\Logger;
11 use Friendica\Core\System;
12 use Friendica\Model\Photo as MPhoto;
13 use Friendica\Object\Image;
18 class Photo extends BaseModule
21 * @brief Module initializer
23 * Fetch a photo or an avatar, in optional size, check for permissions and
26 public static function init(array $parameters = [])
29 // @TODO: Replace with parameter from router
30 if ($a->argc <= 1 || $a->argc > 4) {
31 throw new \Friendica\Network\HTTPException\BadRequestException();
34 if (isset($_SERVER["HTTP_IF_MODIFIED_SINCE"])) {
35 header("HTTP/1.1 304 Not Modified");
36 header("Last-Modified: " . gmdate("D, d M Y H:i:s", time()) . " GMT");
37 if (!empty($_SERVER["HTTP_IF_NONE_MATCH"])) {
38 header("Etag: " . $_SERVER["HTTP_IF_NONE_MATCH"]);
40 header("Expires: " . gmdate("D, d M Y H:i:s", time() + (31536000)) . " GMT");
41 header("Cache-Control: max-age=31536000");
42 if (function_exists("header_remove")) {
43 header_remove("Last-Modified");
44 header_remove("Expires");
45 header_remove("Cache-Control");
52 // @TODO: Replace with parameter from router
55 $customsize = intval($a->argv[2]);
56 $uid = MPhoto::stripExtension($a->argv[3]);
57 $photo = self::getAvatar($uid, $a->argv[1]);
60 $uid = MPhoto::stripExtension($a->argv[2]);
61 $photo = self::getAvatar($uid, $a->argv[1]);
64 $photoid = MPhoto::stripExtension($a->argv[1]);
66 if (substr($photoid, -2, 1) == "-") {
67 $scale = intval(substr($photoid, -1, 1));
68 $photoid = substr($photoid, 0, -2);
70 $photo = MPhoto::getPhoto($photoid, $scale);
71 if ($photo === false) {
72 $photo = MPhoto::createPhotoForSystemResource("images/nosign.jpg");
77 if ($photo === false) {
78 System::httpExit('404', 'Not Found');
81 $cacheable = ($photo["allow_cid"] . $photo["allow_gid"] . $photo["deny_cid"] . $photo["deny_gid"] === "") && (isset($photo["cacheable"]) ? $photo["cacheable"] : true);
83 $img = MPhoto::getImageForPhoto($photo);
85 if (is_null($img) || !$img->isValid()) {
86 Logger::log("Invalid photo with id {$photo["id"]}.");
87 throw new \Friendica\Network\HTTPException\InternalServerErrorException(L10n::t('Invalid photo with id %s.', $photo["id"]));
90 // if customsize is set and image is not a gif, resize it
91 if ($img->getType() !== "image/gif" && $customsize > 0 && $customsize < 501) {
92 $img->scaleToSquare($customsize);
95 if (function_exists("header_remove")) {
96 header_remove("Pragma");
97 header_remove("pragma");
100 header("Content-type: " . $img->getType());
103 // it is a private photo that they have no permission to view.
104 // tell the browser not to cache it, in case they authenticate
105 // and subsequently have permission to see it
106 header("Cache-Control: no-store, no-cache, must-revalidate");
108 $md5 = md5($img->asString());
109 header("Last-Modified: " . gmdate("D, d M Y H:i:s", time()) . " GMT");
110 header("Etag: \"{$md5}\"");
111 header("Expires: " . gmdate("D, d M Y H:i:s", time() + (31536000)) . " GMT");
112 header("Cache-Control: max-age=31536000");
115 echo $img->asString();
120 private static function getAvatar($uid, $type="avatar")
127 $default = "images/person-300.jpg";
131 $default = "images/person-48.jpg";
136 $default = "images/person-80.jpg";
139 $photo = MPhoto::selectFirst([], ["scale" => $scale, "uid" => $uid, "profile" => 1]);
140 if ($photo === false) {
141 $photo = MPhoto::createPhotoForSystemResource($default);