Export attachments (Xobor)

diff --git a/files/lib/system/exporter/XoborExporter.class.php b/files/lib/system/exporter/XoborExporter.class.php
index 3d17d01b24e1edc890b261b6f810ca09289a76e9..2f5898096a420136fc44e947a2b6374c04cecbe3 100644 (file)
--- a/files/lib/system/exporter/XoborExporter.class.php
+++ b/files/lib/system/exporter/XoborExporter.class.php
@@ -3,6 +3,7 @@ namespace wcf\system\exporter;
 use wbb\data\board\Board;
 use wcf\data\user\UserProfile;
 use wcf\system\importer\ImportHandler;
+use wcf\util\FileUtil;
 use wcf\util\StringUtil;
 use wcf\util\UserUtil;
 
@@ -30,7 +31,8 @@ class XoborExporter extends AbstractExporter {
                'com.woltlab.wcf.user' => 'Users',
                'com.woltlab.wbb.board' => 'Boards',
                'com.woltlab.wbb.thread' => 'Threads',
-               'com.woltlab.wbb.post' => 'Posts'
+               'com.woltlab.wbb.post' => 'Posts',
+               'com.woltlab.wbb.attachment' => 'PostAttachments',
        ];
 
        /**
@@ -48,7 +50,9 @@ class XoborExporter extends AbstractExporter {
        public function getSupportedData() {
                return [
                        'com.woltlab.wcf.user' => [],
-                       'com.woltlab.wbb.board' => [],
+                       'com.woltlab.wbb.board' => [
+                               'com.woltlab.wbb.attachment',
+                       ],
                ];
        }
 
@@ -86,6 +90,7 @@ class XoborExporter extends AbstractExporter {
                        $queue[] = 'com.woltlab.wbb.board';
                        $queue[] = 'com.woltlab.wbb.thread';
                        $queue[] = 'com.woltlab.wbb.post';
+                       if (in_array('com.woltlab.wbb.attachment', $this->selectedData)) $queue[] = 'com.woltlab.wbb.attachment';
                }
                
                return $queue;
@@ -279,6 +284,71 @@ class XoborExporter extends AbstractExporter {
                }
        }
        
+       /**
+        * Counts post attachments.
+        */
+       public function countPostAttachments() {
+               return $this->__getMaxID('forum_posts', 'id');
+       }
+       
+       /**
+        * Exports post attachments.
+        *
+        * @param       integer         $offset
+        * @param       integer         $limit
+        */
+       public function exportPostAttachments($offset, $limit) {
+               $sql = "SELECT          *
+                       FROM            forum_posts
+                       WHERE           id BETWEEN ? AND ?
+                               AND     files <> ?
+                               AND     files <> ?
+                       ORDER BY        id";
+               $statement = $this->database->prepareStatement($sql);
+               $statement->execute([$offset + 1, $offset + $limit, '', serialize([])]);
+               
+               while ($row = $statement->fetchArray()) {
+                       $files = @unserialize($row['files']);
+                       $convert = false;
+                       if (!$files) {
+                               $files = @unserialize(mb_convert_encoding($row['files'], 'ISO-8859-1', 'UTF-8'));
+                               $convert = true;
+                       }
+                       if (!$files) continue;
+                       
+                       $i = 0;
+                       foreach ($files as $file) {
+                               if (!isset($file['filelink'])) continue;
+                               $fileLocation = FileUtil::addTrailingSlash($this->fileSystemPath).$file['filelink'];
+                               if (!file_exists($fileLocation)) continue;
+                               
+                               if ($imageSize = @getimagesize($fileLocation)) {
+                                       $row['isImage'] = 1;
+                                       $row['width'] = $imageSize[0];
+                                       $row['height'] = $imageSize[1];
+                               }
+                               else {
+                                       $row['isImage'] = $row['width'] = $row['height'] = 0;
+                               }
+                               
+                               $filename = $file['filename'] ?? $row['filelink'];
+                               if ($convert) $filename = mb_convert_encoding($filename, 'UTF-8', 'ISO-8859-1');
+                               ImportHandler::getInstance()->getImporter('com.woltlab.wbb.attachment')->import($row['id'].'-'.$file['filelink'], [
+                                       'objectID' => $row['id'],
+                                       'userID' => $row['userid'] ?: null,
+                                       'filename' => $filename,
+                                       'filesize' => filesize($fileLocation),
+                                       'fileType' => FileUtil::getMimeType($fileLocation),
+                                       'isImage' => $row['isImage'],
+                                       'width' => $row['width'],
+                                       'height' => $row['height'],
+                                       'downloads' => 0,
+                                       'uploadTime' => strtotime($row['writetime'])
+                               ], ['fileLocation' => $fileLocation]);
+                       }
+               }
+       }
+       
        private static function fixMessage($string) {
                $string = strtr($string, [
                        '[center]' => '[align=center]',