Original name preserved in uploaded file.

Avoiding collisions with date (shorter than before) and 4 character
random alphanumeric string. I bet someone could mass-upload files
and generate all combinations of aaaa-zzzz during the course of a
day, but then maybe that user should be disabled anyway :)
(filling the collision space will cause a never-ending loop).

classes/File.php

@@ -263,7 +263,7 @@ class File extends Managed_DataObject
 
     // where should the file go?
 
-    static function filename($profile, $basename, $mimetype)
+    static function filename(Profile $profile, $origname, $mimetype)
     {
         try {
             $ext = common_supported_mime_to_ext($mimetype);
@@ -272,10 +272,23 @@ class File extends Managed_DataObject
             $ext = substr(strrchr($mimetype, '/'), 1);
         }
 
+        // Normalize and make the original filename more URL friendly.
+        $origname = basename($origname);
+        if (class_exists('Normalizer')) {
+            // http://php.net/manual/en/class.normalizer.php
+            // http://www.unicode.org/reports/tr15/
+            $origname = Normalizer::normalize($origname, Normalizer::FORM_KC);
+        }
+        $origname = preg_replace('/[^A-Za-z0-9\.\_]/', '_', $origname);
+
         $nickname = $profile->nickname;
-        $datestamp = strftime('%Y%m%dT%H%M%S', time());
-        $random = strtolower(common_confirmation_code(32));
-        return "$nickname-$datestamp-$random.$ext";
+        $datestamp = strftime('%Y%m%d', time());
+        do {
+            // generate new random strings until we don't run into a filename collision.
+            $random = strtolower(common_confirmation_code(16));
+            $filename = "$nickname-$datestamp-$origname-$random.$ext";
+        } while (file_exists(self::path($filename)));
+        return $filename;
     }
 
     /**
@@ -437,6 +450,10 @@ class File extends Managed_DataObject
     {
         return self::path($this->filename);
     }
+    public function getUrl()
+    {
+        return $this->url;
+    }
 
     /**
      * Blow the cache of notices that link to this URL

lib/attachmentlist.php

@@ -151,7 +151,7 @@ class AttachmentListItem extends Widget
     function title() {
         if (empty($this->attachment->title)) {
             if (empty($this->oembed->title)) {
-                $title = $this->attachment->url;
+                $title = $this->attachment->filename;
             } else {
                 $title = $this->oembed->title;
             }
@@ -185,7 +185,7 @@ class AttachmentListItem extends Widget
         return array('class' => 'attachment',
                      'href' => $this->attachment->url,
                      'id' => 'attachment-' . $this->attachment->id,
-                     'title' => $this->title());
+                     'title' => $this->linkTitle());
     }
 
     function showLink() {
@@ -202,8 +202,8 @@ class AttachmentListItem extends Widget
 
     function showRepresentation() {
         $thumb = $this->getThumbInfo();
-        if ($thumb) {
-            $this->out->element('img', array('alt' => '', 'src' => $thumb->url, 'width' => $thumb->width, 'height' => $thumb->height));
+        if ($thumb instanceof File_thumbnail) {
+            $this->out->element('img', array('alt' => '', 'src' => $thumb->getUrl(), 'width' => $thumb->width, 'height' => $thumb->height));
         }
     }
 
@@ -342,8 +342,13 @@ class Attachment extends AttachmentListItem
                 case 'video/quicktime':
                 case 'video/webm':
                     $mediatype = common_get_mime_media($this->attachment->mimetype);
+                    $thumb = $this->getThumbInfo();
+                    $poster = ($thumb instanceof File_thumbnail)
+                                ? $thumb->getUrl()
+                                : null;
                     $this->out->elementStart($mediatype,
                                         array('class'=>'attachment_player',
+                                            'poster'=>$poster,
                                             'controls'=>'controls'));
                     $this->out->element('source',
                                         array('src'=>$this->attachment->url,

lib/mediafile.php

@@ -30,9 +30,7 @@
  * @link      http://status.net/
  */
 
-if (!defined('STATUSNET') && !defined('LACONICA')) {
-    exit(1);
-}
+if (!defined('GNUSOCIAL')) { exit(1); }
 
 class MediaFile
 {
@@ -67,7 +65,7 @@ class MediaFile
         $this->maybeAddRedir($this->fileRecord->id, $this->short_fileurl);
     }
 
-    function attachToNotice($notice)
+    public function attachToNotice(Notice $notice)
     {
         File_to_post::processNew($this->fileRecord->id, $notice->id);
         $this->maybeAddRedir($this->fileRecord->id,