]> git.mxchange.org Git - friendica.git/blobdiff - mod/photo.php
fix path for photo and proxy
[friendica.git] / mod / photo.php
old mode 100755 (executable)
new mode 100644 (file)
index c4a9376..4166b4d
@@ -1,8 +1,13 @@
 <?php
 
 require_once('include/security.php');
+require_once('include/Photo.php');
 
 function photo_init(&$a) {
+       global $_SERVER;
+
+       $prvcachecontrol = false;
+       $file = "";
 
        switch($a->argc) {
                case 4:
@@ -16,6 +21,7 @@ function photo_init(&$a) {
                        break;
                case 2:
                        $photo = $a->argv[1];
+                       $file = $photo;
                        break;
                case 1:
                default:
@@ -23,10 +29,26 @@ function photo_init(&$a) {
                        // NOTREACHED
        }
 
-       $default = 'images/default-profile.jpg';
+       //      strtotime($_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')) {
+                       header_remove('Last-Modified');
+                       header_remove('Expires');
+                       header_remove('Cache-Control');
+               }
+               exit;
+       }
+
+       $default = 'images/person-175.jpg';
 
        if(isset($type)) {
 
+
                /**
                 * Profile photos
                 */
@@ -39,16 +61,16 @@ function photo_init(&$a) {
                                break;
                        case 'micro':
                                $resolution = 6;
-                               $default = 'images/default-profile-mm.jpg';
+                               $default = 'images/person-48.jpg';
                                break;
                        case 'avatar':
                        default:
                                $resolution = 5;
-                               $default = 'images/default-profile-sm.jpg';
+                               $default = 'images/person-80.jpg';
                                break;
                }
 
-               $uid = str_replace('.jpg', '', $person);
+               $uid = str_replace(array('.jpg','.png'),array('',''), $person);
 
                $r = q("SELECT * FROM `photo` WHERE `scale` = %d AND `uid` = %d AND `profile` = 1 LIMIT 1",
                        intval($resolution),
@@ -56,9 +78,11 @@ function photo_init(&$a) {
                );
                if(count($r)) {
                        $data = $r[0]['data'];
+                       $mimetype = $r[0]['type'];
                }
                if(! isset($data)) {
                        $data = file_get_contents($default);
+                       $mimetype = 'image/jpeg';
                }
        }
        else {
@@ -68,63 +92,81 @@ function photo_init(&$a) {
                 */
 
                $resolution = 0;
-               $photo = str_replace('.jpg','',$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);
                }
 
-               $r = q("SELECT `uid` FROM `photo` WHERE `resource-id` = '%s' AND `scale` = %d LIMIT 1",
+        // 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($resolution)
                );
                if(count($r)) {
-                       
+
                        $sql_extra = permissions_sql($r[0]['uid']);
 
                        // Now we'll see if we can access the photo
 
-                       $r = q("SELECT * FROM `photo` WHERE `resource-id` = '%s' AND `scale` = %d $sql_extra LIMIT 1",
+                       $r = q("SELECT * FROM `photo` WHERE `resource-id` = '%s' AND `scale` <= %d $sql_extra ORDER BY scale DESC LIMIT 1",
                                dbesc($photo),
                                intval($resolution)
                        );
 
+                       $public = ($r[0]['allow_cid'] == '') AND ($r[0]['allow_gid'] == '') AND ($r[0]['deny_cid']  == '') AND ($r[0]['deny_gid']  == '');
+
                        if(count($r)) {
+                               $resolution = $r[0]['scale'];
                                $data = $r[0]['data'];
-                       }
-                       else {
-
-                               // Does the picture exist? It may be a remote person with no credentials,
-                               // but who should otherwise be able to view it. Show a default image to let 
-                               // them know permissions was denied. It may be possible to view the image 
-                               // through an authenticated profile visit.
-                               // There won't be many completely unauthorised people seeing this because
-                               // they won't have the photo link, so there's a reasonable chance that the person
-                               // might be able to obtain permission to view it.
-                               $r = q("SELECT * FROM `photo` WHERE `resource-id` = '%s' AND `scale` = %d LIMIT 1",
-                                       dbesc($photo),
-                                       intval($resolution)
-                               );
-                               if(count($r)) {
-                                       $data = file_get_contents('images/nosign.jpg');
-                               }
+                               $mimetype = $r[0]['type'];
+                       } else {
+                               // The picure exists. We already checked with the first query.
+                               // obviously, this is not an authorized viev!
+                               $data = file_get_contents('images/nosign.jpg');
+                               $mimetype = 'image/jpeg';
+                               $prvcachecontrol = true;
+                               $public = false;
                        }
                }
        }
 
        if(! isset($data)) {
-               killme();
-               // NOTREACHED
+               if(isset($resolution)) {
+                       switch($resolution) {
+
+                               case 4:
+                                       $data = file_get_contents('images/person-175.jpg');
+                                       $mimetype = 'image/jpeg';
+                                       break;
+                               case 5:
+                                       $data = file_get_contents('images/person-80.jpg');
+                                       $mimetype = 'image/jpeg';
+                                       break;
+                               case 6:
+                                       $data = file_get_contents('images/person-48.jpg');
+                                       $mimetype = 'image/jpeg';
+                                       break;
+                               default:
+                                       killme();
+                                       // NOTREACHED
+                                       break;
+                       }
+               }
        }
 
-       if(isset($customres) && $customres > 0 && $customres < 500) {
-               require_once('include/Photo.php');
-               $ph = new Photo($data);
+       // Resize only if its not a GIF
+       if ($mime != "image/gif") {
+               $ph = new Photo($data, $mimetype);
                if($ph->is_valid()) {
-                       $ph->scaleImageSquare($customres);
+                       if(isset($customres) && $customres > 0 && $customres < 500) {
+                               $ph->scaleImageSquare($customres);
+                       }
                        $data = $ph->imageString();
+                       $mimetype = $ph->getType();
                }
        }
 
@@ -133,10 +175,37 @@ function photo_init(&$a) {
                header_remove('pragma');
        }
 
-       header("Content-type: image/jpeg");
-       header("Expires: " . gmdate("D, d M Y H:i:s", time() + (3600*24)) . " GMT");
-       header("Cache-Control: max-age=" . (3600*24));
+       header("Content-type: ".$mimetype);
+
+       if($prvcachecontrol) {
+
+               // it is a private photo that they have no permission to view.
+               // tell the browser not to cache it, in case they authenticate
+               // and subsequently have permission to see it
+
+               header("Cache-Control: no-store, no-cache, must-revalidate");
+
+       }
+       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");
+               header("Cache-Control: max-age=31536000");
+       }
        echo $data;
+
+       // If the photo is public and there is an existing photo directory store the photo there
+       if ($public and ($file != "")) {
+               // If the photo path isn't there, try to create it
+               $basepath = $a->get_basepath();
+               if (!is_dir($basepath."/photo"))
+                       if (is_writable($basepath))
+                               mkdir($basepath."/photo");
+
+               if (is_dir($basepath."/photo"))
+                       file_put_contents($basepath."/photo/".$file, $data);
+       }
+
        killme();
        // NOTREACHED
 }