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[autoinstallsdev/mediawiki.git] / vendor / james-heinrich / getid3 / getid3 / module.archive.szip.php

diff --git a/vendor/james-heinrich/getid3/getid3/module.archive.szip.php b/vendor/james-heinrich/getid3/getid3/module.archive.szip.php
new file mode 100644 (file)
index 0000000..6751729
--- /dev/null
+++ b/vendor/james-heinrich/getid3/getid3/module.archive.szip.php
@@ -0,0 +1,97 @@
+<?php
+/////////////////////////////////////////////////////////////////
+/// getID3() by James Heinrich <info@getid3.org>               //
+//  available at http://getid3.sourceforge.net                 //
+//            or http://www.getid3.org                         //
+//          also https://github.com/JamesHeinrich/getID3       //
+/////////////////////////////////////////////////////////////////
+// See readme.txt for more details                             //
+/////////////////////////////////////////////////////////////////
+//                                                             //
+// module.archive.szip.php                                     //
+// module for analyzing SZIP compressed files                  //
+// dependencies: NONE                                          //
+//                                                            ///
+/////////////////////////////////////////////////////////////////
+
+
+class getid3_szip extends getid3_handler
+{
+
+       public function Analyze() {
+               $info = &$this->getid3->info;
+
+               $this->fseek($info['avdataoffset']);
+               $SZIPHeader = $this->fread(6);
+               if (substr($SZIPHeader, 0, 4) != "SZ\x0A\x04") {
+                       $this->error('Expecting "53 5A 0A 04" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes(substr($SZIPHeader, 0, 4)).'"');
+                       return false;
+               }
+               $info['fileformat']            = 'szip';
+               $info['szip']['major_version'] = getid3_lib::BigEndian2Int(substr($SZIPHeader, 4, 1));
+               $info['szip']['minor_version'] = getid3_lib::BigEndian2Int(substr($SZIPHeader, 5, 1));
+$this->error('SZIP parsing not enabled in this version of getID3() ['.$this->getid3->version().']');
+return false;
+
+               while (!$this->feof()) {
+                       $NextBlockID = $this->fread(2);
+                       switch ($NextBlockID) {
+                               case 'SZ':
+                                       // Note that szip files can be concatenated, this has the same effect as
+                                       // concatenating the files. this also means that global header blocks
+                                       // might be present between directory/data blocks.
+                                       $this->fseek(4, SEEK_CUR);
+                                       break;
+
+                               case 'BH':
+                                       $BHheaderbytes  = getid3_lib::BigEndian2Int($this->fread(3));
+                                       $BHheaderdata   = $this->fread($BHheaderbytes);
+                                       $BHheaderoffset = 0;
+                                       while (strpos($BHheaderdata, "\x00", $BHheaderoffset) > 0) {
+                                               //filename as \0 terminated string  (empty string indicates end)
+                                               //owner as \0 terminated string (empty is same as last file)
+                                               //group as \0 terminated string (empty is same as last file)
+                                               //3 byte filelength in this block
+                                               //2 byte access flags
+                                               //4 byte creation time (like in unix)
+                                               //4 byte modification time (like in unix)
+                                               //4 byte access time (like in unix)
+
+                                               $BHdataArray['filename'] = substr($BHheaderdata, $BHheaderoffset, strcspn($BHheaderdata, "\x00"));
+                                               $BHheaderoffset += (strlen($BHdataArray['filename']) + 1);
+
+                                               $BHdataArray['owner'] = substr($BHheaderdata, $BHheaderoffset, strcspn($BHheaderdata, "\x00"));
+                                               $BHheaderoffset += (strlen($BHdataArray['owner']) + 1);
+
+                                               $BHdataArray['group'] = substr($BHheaderdata, $BHheaderoffset, strcspn($BHheaderdata, "\x00"));
+                                               $BHheaderoffset += (strlen($BHdataArray['group']) + 1);
+
+                                               $BHdataArray['filelength'] = getid3_lib::BigEndian2Int(substr($BHheaderdata, $BHheaderoffset, 3));
+                                               $BHheaderoffset += 3;
+
+                                               $BHdataArray['access_flags'] = getid3_lib::BigEndian2Int(substr($BHheaderdata, $BHheaderoffset, 2));
+                                               $BHheaderoffset += 2;
+
+                                               $BHdataArray['creation_time'] = getid3_lib::BigEndian2Int(substr($BHheaderdata, $BHheaderoffset, 4));
+                                               $BHheaderoffset += 4;
+
+                                               $BHdataArray['modification_time'] = getid3_lib::BigEndian2Int(substr($BHheaderdata, $BHheaderoffset, 4));
+                                               $BHheaderoffset += 4;
+
+                                               $BHdataArray['access_time'] = getid3_lib::BigEndian2Int(substr($BHheaderdata, $BHheaderoffset, 4));
+                                               $BHheaderoffset += 4;
+
+                                               $info['szip']['BH'][] = $BHdataArray;
+                                       }
+                                       break;
+
+                               default:
+                                       break 2;
+                       }
+               }
+
+               return true;
+
+       }
+
+}