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File: includes/getid3/write.metaflac.php

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  Classes of Karl Holz  >  WaldScan  >  includes/getid3/write.metaflac.php  >  Download  
File: includes/getid3/write.metaflac.php
Role: Auxiliary script
Content type: text/plain
Description: getID3 dependency
Class: WaldScan
Scan directories for files with certain extensions
Author: By
Last change:
Date: 1 year ago
Size: 6,069 bytes
 

Contents

Class file image Download
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org>               //
//  available at http://getid3.sourceforge.net                 //
//            or http://www.getid3.org                         //
/////////////////////////////////////////////////////////////////
// See readme.txt for more details                             //
/////////////////////////////////////////////////////////////////
//                                                             //
// write.metaflac.php                                          //
// module for writing metaflac tags                            //
// dependencies: /helperapps/metaflac.exe                      //
//                                                            ///
/////////////////////////////////////////////////////////////////


class getid3_write_metaflac
{

    var 
$filename;
    var 
$tag_data;
    var 
$warnings = array(); // any non-critical errors will be stored here
    
var $errors   = array(); // any critical errors will be stored here

    
function getid3_write_metaflac() {
        return 
true;
    }

    function 
WriteMetaFLAC() {

        if (
preg_match('#(1|ON)#i'ini_get('safe_mode'))) {
            
$this->errors[] = 'PHP running in Safe Mode (backtick operator not available) - cannot call metaflac, tags not written';
            return 
false;
        }

        
// Create file with new comments
        
$tempcommentsfilename tempnam(GETID3_TEMP_DIR'getID3');
        if (
is_writable($tempcommentsfilename) && is_file($tempcommentsfilename) && ($fpcomments fopen($tempcommentsfilename'wb'))) {
            foreach (
$this->tag_data as $key => $value) {
                foreach (
$value as $commentdata) {
                    
fwrite($fpcomments$this->CleanmetaflacName($key).'='.$commentdata."\n");
                }
            }
            
fclose($fpcomments);

        } else {
            
$this->errors[] = 'failed to open temporary tags file, tags not written - fopen("'.$tempcommentsfilename.'", "wb")';
            return 
false;
        }

        
$oldignoreuserabort ignore_user_abort(true);
        if (
GETID3_OS_ISWINDOWS) {

            if (
file_exists(GETID3_HELPERAPPSDIR.'metaflac.exe')) {
                
//$commandline = '"'.GETID3_HELPERAPPSDIR.'metaflac.exe" --no-utf8-convert --remove-all-tags --import-tags-from="'.$tempcommentsfilename.'" "'.str_replace('/', '\\', $this->filename).'"';
                //  metaflac works fine if you copy-paste the above commandline into a command prompt,
                //  but refuses to work with `backtick` if there are "doublequotes" present around BOTH
                //  the metaflac pathname and the target filename. For whatever reason...??
                //  The solution is simply ensure that the metaflac pathname has no spaces,
                //  and therefore does not need to be quoted

                // On top of that, if error messages are not always captured properly under Windows
                // To at least see if there was a problem, compare file modification timestamps before and after writing
                
clearstatcache();
                
$timestampbeforewriting filemtime($this->filename);

                
$commandline GETID3_HELPERAPPSDIR.'metaflac.exe --no-utf8-convert --remove-all-tags --import-tags-from='.escapeshellarg($tempcommentsfilename).' '.escapeshellarg($this->filename).' 2>&1';
                
$metaflacError = `$commandline`;

                if (empty(
$metaflacError)) {
                    
clearstatcache();
                    if (
$timestampbeforewriting == filemtime($this->filename)) {
                        
$metaflacError 'File modification timestamp has not changed - it looks like the tags were not written';
                    }
                }
            } else {
                
$metaflacError 'metaflac.exe not found in '.GETID3_HELPERAPPSDIR;
            }

        } else {

            
// It's simpler on *nix
            
$commandline 'metaflac --no-utf8-convert --remove-all-tags --import-tags-from='.escapeshellarg($tempcommentsfilename).' '.escapeshellarg($this->filename).' 2>&1';
            
$metaflacError = `$commandline`;

        }

        
// Remove temporary comments file
        
unlink($tempcommentsfilename);
        
ignore_user_abort($oldignoreuserabort);

        if (!empty(
$metaflacError)) {

            
$this->errors[] = 'System call to metaflac failed with this message returned: '."\n\n".$metaflacError;
            return 
false;

        }

        return 
true;
    }


    function 
DeleteMetaFLAC() {

        if (
preg_match('#(1|ON)#i'ini_get('safe_mode'))) {
            
$this->errors[] = 'PHP running in Safe Mode (backtick operator not available) - cannot call metaflac, tags not deleted';
            return 
false;
        }

        
$oldignoreuserabort ignore_user_abort(true);
        if (
GETID3_OS_ISWINDOWS) {

            if (
file_exists(GETID3_HELPERAPPSDIR.'metaflac.exe')) {
                
// To at least see if there was a problem, compare file modification timestamps before and after writing
                
clearstatcache();
                
$timestampbeforewriting filemtime($this->filename);

                
$commandline GETID3_HELPERAPPSDIR.'metaflac.exe --remove-all-tags "'.$this->filename.'" 2>&1';
                
$metaflacError = `$commandline`;

                if (empty(
$metaflacError)) {
                    
clearstatcache();
                    if (
$timestampbeforewriting == filemtime($this->filename)) {
                        
$metaflacError 'File modification timestamp has not changed - it looks like the tags were not deleted';
                    }
                }
            } else {
                
$metaflacError 'metaflac.exe not found in '.GETID3_HELPERAPPSDIR;
            }

        } else {

            
// It's simpler on *nix
            
$commandline 'metaflac --remove-all-tags "'.$this->filename.'" 2>&1';
            
$metaflacError = `$commandline`;

        }

        
ignore_user_abort($oldignoreuserabort);

        if (!empty(
$metaflacError)) {
            
$this->errors[] = 'System call to metaflac failed with this message returned: '."\n\n".$metaflacError;
            return 
false;
        }
        return 
true;
    }


    function 
CleanmetaflacName($originalcommentname) {
        
// A case-insensitive field name that may consist of ASCII 0x20 through 0x7D, 0x3D ('=') excluded.
        // ASCII 0x41 through 0x5A inclusive (A-Z) is to be considered equivalent to ASCII 0x61 through
        // 0x7A inclusive (a-z).

        // replace invalid chars with a space, return uppercase text
        // Thanks Chris Bolt <chris-getid3Øbolt*cx> for improving this function
        // note: *reg_replace() replaces nulls with empty string (not space)
        
return strtoupper(preg_replace('#[^ -<>-}]#'' 'str_replace("\x00"' '$originalcommentname)));

    }

}

?>