From MediaWiki.org
<?php
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USAw
*
* Parts of the program are from the file 'Image.php' from the MediaWiki project. The respective source can be acquired from http://wikipedia.sourceforge.net/.
*
* @author <marius.treitz@i-u.de>
*/
$wgExtensionFunctions[] = "wfFlashExtension";
/*
* The Flash class generates code in order to implement a flash object.
*/
class Flash {
/* Constructor */
function Flash( $input ) {
Flash::parseInput( $input ); // Parse the input
Flash::genCode(); // Generate the final code
}
/* Parser */
function parseInput( $input ) {
for($pos=0; $pos<strlen($input); $pos++) { // go through all arguments
if($input{$pos}=='=') { // separator between command
$this->instr = $this->tmp;
$this->tmp = '';
}
else if($input{$pos}=='|') { // separator between arguments
Flash::setValue();
$this->tmp='';
} else {
$this->tmp .= $input{$pos};
}
}
if($this->tmp!='') Flash::setValue(); // Deal with the rest of the input string
}
/* Coordinate commands with values */
function setValue() {
$this->value = $this->tmp;
$this->{$this->instr} = $this->value;
if($this->instr=='play'|| // Whitelist of flash commands. Anything else but flash commands is ignored.
$this->instr=='loop'||
$this->instr=='quality'||
$this->instr=='devicefont'||
$this->instr=='bgcolor'||
$this->instr=='scale'||
$this->instr=='align'||
$this->instr=='salign'||
$this->instr=='base'||
$this->instr=='menu'||
$this->instr=='wmode'||
$this->instr=='SeamlessTabbing'||
$this->instr=='flashvars'||
$this->instr=='name'||
$this->instr=='id') {
/* Create code for <embed> and <object> */
if($this->instr!='id') $this->codeEmbed .= ' ' . $this->instr . '="' . $this->value . '"';
if($this->instr!='name') $this->codeObject .= '<param name="' . $this->instr . '" value="' . $this->value . '">';
}
}
/* Generate big, final chunk of code */
function genCode() {
// Possibly malicious settings:
$allowscriptaccess = 'false'; // allow / disallow scripts
$swliveconnect = 'false'; // start / do not start up java
// Default version Setting:
$flashFile->version='7,0,0,0'; // Version settings for <object>
$this->url = Flash::imageUrl( $this->file, $this->fromSharedDirectory ); // get Wiki internal url
/* Final Code */
$this->code = '<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" width="' . $this->width . '" height="' . $this->height . '" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=' . $this->version . '"><param name="movie" value="' . $this->url . '">' . $this->codeObject . '<embed src="' . $this->url . '" width="' . $this->width . '" height="' . $this->height . '"' . $this->codeEmbed . ' pluginspage="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash"></embed></object>';
return $this->code;
}
/* The following functions are from the file 'Image.php' from the MediaWiki project. For the file, please visit http://wikipedia.sourceforge.net/ */
function isHashed( $shared ) {
global $wgHashedUploadDirectory, $wgHashedSharedUploadDirectory;
return $shared ? $wgHashedSharedUploadDirectory : $wgHashedUploadDirectory;
}
function wfGetHashPath( $dbkey, $fromSharedDirectory = false ) {
global $wgHashedSharedUploadDirectory, $wgSharedUploadDirectory;
global $wgHashedUploadDirectory;
if( Flash::isHashed( $fromSharedDirectory ) ) {
$hash = md5($dbkey);
return '/' . $hash{0} . '/' . substr( $hash, 0, 2 ) . '/';
} else {
return '/';
}
}
function imageUrl( $name, $fromSharedDirectory = false ) {
global $wgUploadPath,$wgUploadBaseUrl,$wgSharedUploadPath;
if($fromSharedDirectory) {
$base = '';
$path = $wgSharedUploadPath;
} else {
$base = $wgUploadBaseUrl;
$path = $wgUploadPath;
}
$url = "{$base}{$path}" . Flash::wfGetHashPath($name, $fromSharedDirectory) . "{$name}";
return wfUrlencode( $url );
}
/* End of contents from 'Image.php' */
}
function wfFlashExtension() {
global $wgParser;
$wgParser->setHook( "flash", "renderFlash" );
}
function renderFlash( $input ) {
global $code;
// Constructor
$flashFile = new Flash( $input );
$code = $flashFile->code;
return $code; // send the final code to the wiki
}
?>
