[Media] Copy media subsystem from v2 and roughly structure it for v3

2021-04-11 20:53:23 +00:00
parent a38ee03f18
commit fe478c6104
14 changed files with 422 additions and 295 deletions
--- a/plugins/Media/Controller/AttachmentThumbnail.php
+++ b/plugins/Media/Controller/AttachmentThumbnail.php
@@ -0,0 +1,79 @@
+<?php
+// This file is part of GNU social - https://www.gnu.org/software/social
+//
+// GNU social is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// GNU social is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with GNU social.  If not, see <http://www.gnu.org/licenses/>.
+
+namespace Plugin\Media\Controller;
+
+/**
+ * Show notice attachments
+ *
+ * @category  Personal
+ * @package   GNUsocial
+ * @author    Evan Prodromou <evan@status.net>
+ * @copyright 2008-2009 StatusNet, Inc.
+ * @license   https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
+ */
+class Attachment_thumbnailAction extends Attachment_viewAction
+{
+    protected $thumb_w;  // max width
+    protected $thumb_h;  // max height
+    protected $thumb_c;  // crop?
+
+    protected function doPreparation()
+    {
+        parent::doPreparation();
+
+        $this->thumb_w = $this->int('w');
+        $this->thumb_h = $this->int('h');
+        $this->thumb_c = $this->boolean('c');
+    }
+
+    /**
+     * Show an inline representation of an attachment of the size
+     * requested in the GET variables (read in the constructor). Tries
+     * to send the most appropriate file with the correct size and
+     * headers or displays an error if it's not possible.
+     *
+     * @throws ClientException
+     * @throws ReflectionException
+     * @throws ServerException
+     */
+    public function showPage(): void
+    {
+        // Returns a File_thumbnail object or throws exception if not available
+        $filename = $this->filename;
+        $filepath = $this->filepath;
+        try {
+            $thumbnail = $this->attachment->getThumbnail($this->thumb_w, $this->thumb_h, $this->thumb_c);
+            $file      = $thumbnail->getFile();
+        } catch (UseFileAsThumbnailException $e) {
+            // With this exception, the file exists locally $e->file;
+        } catch (FileNotFoundException $e) {
+            $this->clientError(_m('No such attachment'), 404);
+        } catch (Exception $e) {
+            if (is_null($filepath)) {
+                $this->clientError(_m('No such thumbnail'), 404);
+            }
+            // Remote file
+        }
+
+        // Disable errors, to not mess with the file contents (suppress errors in case access to this
+        // function is blocked, like in some shared hosts). Automatically reset at the end of the
+        // script execution, and we don't want to have any more errors until then, so don't reset it
+        @ini_set('display_errors', 0);
+
+        common_send_file($filepath, image_type_to_mime_type(IMAGETYPE_WEBP), $filename, 'inline');
+    }
+}