Better handling for GIF even, if not supported by the graphics library

diff --git a/mod/photo.php b/mod/photo.php
index 5896c90baa9690c773fc1eb372a2a63a70e19142..1a814f5efc8b843f254179f4bdde3826ffd4b237 100644 (file)
--- a/mod/photo.php
+++ b/mod/photo.php
@@ -11,7 +11,7 @@ function photo_init(App $a) {
        $prvcachecontrol = false;
        $file = "";
 
-       switch($a->argc) {
+       switch ($a->argc) {
                case 4:
                        $person = $a->argv[3];
                        $customres = intval($a->argv[2]);
@@ -31,14 +31,13 @@ function photo_init(App $a) {
                        // NOTREACHED
        }
 
-       //      strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']) >= filemtime($localFileName)) {
        if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE'])) {
                header('HTTP/1.1 304 Not Modified');
                header("Last-Modified: " . gmdate("D, d M Y H:i:s", time()) . " GMT");
                header('Etag: '.$_SERVER['HTTP_IF_NONE_MATCH']);
                header("Expires: " . gmdate("D, d M Y H:i:s", time() + (31536000)) . " GMT");
                header("Cache-Control: max-age=31536000");
-               if(function_exists('header_remove')) {
+               if (function_exists('header_remove')) {
                        header_remove('Last-Modified');
                        header_remove('Expires');
                        header_remove('Cache-Control');
@@ -48,14 +47,13 @@ function photo_init(App $a) {
 
        $default = 'images/person-175.jpg';
 
-       if(isset($type)) {
-
+       if (isset($type)) {
 
                /**
                 * Profile photos
                 */
 
-               switch($type) {
+               switch ($type) {
 
                        case 'profile':
                        case 'custom':
@@ -72,7 +70,11 @@ function photo_init(App $a) {
                                break;
                }
 
-               $uid = str_replace(array('.jpg','.png'),array('',''), $person);
+               $uid = str_replace(array('.jpg', '.png', '.gif'), array('', '', ''), $person);
+
+               foreach (Photo::supportedTypes() AS $m => $e) {
+                       $uid = str_replace('.'.$e, '', $uid);
+               }
 
                $r = q("SELECT * FROM `photo` WHERE `scale` = %d AND `uid` = %d AND `profile` = 1 LIMIT 1",
                        intval($resolution),
@@ -82,28 +84,29 @@ function photo_init(App $a) {
                        $data = $r[0]['data'];
                        $mimetype = $r[0]['type'];
                }
-               if(! isset($data)) {
+               if (empty($data)) {
                        $data = file_get_contents($default);
                        $mimetype = 'image/jpeg';
                }
-       }
-       else {
+       } else {
 
                /**
                 * Other photos
                 */
 
                $resolution = 0;
-               foreach( Photo::supportedTypes() as $m=>$e){
-                       $photo = str_replace(".$e",'',$photo);
+               $photo = str_replace(array('.jpg', '.png', '.gif'), array('', '', ''), $photo);
+
+               foreach (Photo::supportedTypes() AS $m => $e) {
+                       $photo = str_replace('.'.$e, '', $photo);
                }
 
-               if(substr($photo,-2,1) == '-') {
-                       $resolution = intval(substr($photo,-1,1));
-                       $photo = substr($photo,0,-2);
+               if (substr($photo, -2, 1) == '-') {
+                       $resolution = intval(substr($photo, -1, 1));
+                       $photo = substr($photo, 0, -2);
                }
 
-        // check if the photo exists and get the owner of the photo
+               // check if the photo exists and get the owner of the photo
                $r = q("SELECT `uid` FROM `photo` WHERE `resource-id` = '%s' LIMIT 1",
                        dbesc($photo),
                        intval($resolution)
@@ -136,9 +139,9 @@ function photo_init(App $a) {
                }
        }
 
-       if(! isset($data)) {
-               if(isset($resolution)) {
-                       switch($resolution) {
+       if (empty($data)) {
+               if (isset($resolution)) {
+                       switch ($resolution) {
 
                                case 4:
                                        $data = file_get_contents('images/person-175.jpg');
@@ -161,10 +164,10 @@ function photo_init(App $a) {
        }
 
        // Resize only if its not a GIF
-       if ($mime != "image/gif") {
+       if ($mimetype != "image/gif") {
                $ph = new Photo($data, $mimetype);
-               if($ph->is_valid()) {
-                       if(isset($customres) && $customres > 0 && $customres < 500) {
+               if ($ph->is_valid()) {
+                       if (isset($customres) && $customres > 0 && $customres < 500) {
                                $ph->scaleImageSquare($customres);
                        }
                        $data = $ph->imageString();
@@ -172,14 +175,14 @@ function photo_init(App $a) {
                }
        }
 
-       if(function_exists('header_remove')) {
+       if (function_exists('header_remove')) {
                header_remove('Pragma');
                header_remove('pragma');
        }
 
        header("Content-type: ".$mimetype);
 
-       if($prvcachecontrol) {
+       if ($prvcachecontrol) {
 
                // it is a private photo that they have no permission to view.
                // tell the browser not to cache it, in case they authenticate
@@ -187,8 +190,7 @@ function photo_init(App $a) {
 
                header("Cache-Control: no-store, no-cache, must-revalidate");
 
-       }
-       else {
+       } else {
                header("Last-Modified: " . gmdate("D, d M Y H:i:s", time()) . " GMT");
                header('Etag: "'.md5($data).'"');
                header("Expires: " . gmdate("D, d M Y H:i:s", time() + (31536000)) . " GMT");