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<?php
/**
* Player class
*
* @file
* @ingroup SpecialPage
* @author Daniel Kinzler, brightbyte.de
* @copyright © 2007 Daniel Kinzler
* @licence GNU General Public Licence 2.0 or later
*/
if( !defined( 'MEDIAWIKI' ) ) {
echo( "not a valid entry point.\n" );
die( 1 );
}
/**
*
*/
class Player {
var $image;
var $title;
var $options;
var $mimetype;
var $mediatype;
var $width;
var $height;
var $uniq;
var $playerTitle;
function __construct( $image, $options, $sizeDefault = 'imagesize' ) {
if ( is_null( $options ) ) $options = array();
if ( is_string( $options ) ) $options = urldecodeMap( $options );
static $uniq = 0;
$uniq += 1;
$this->uniq = 'player-' . $uniq . '-' . mt_rand( 1, 100000 );
$this->options = $options;
$this->image = $image;
$this->title = $image->getTitle();
$this->setType( $image );
$this->setSize( @$options['width'], @$options['height'], $sizeDefault );
}
static function newFromTitle( $title, $options, $sizeDefault = 'imagesize' ) {
$image = wfFindFile( $title );
if ( !$image->exists() ) {
throw new PlayerException(wfMsg("player-not-found"), 404);
}
return new Player( $image, $options, $sizeDefault );
}
static function newFromName( $name, $options, $sizeDefault = 'imagesize' ) {
$title = Title::makeTitleSafe(NS_IMAGE, $name);
if (!$title) throw new PlayerException(wfMsg("player-invalid-title"), 400);
return Player::newFromTitle( $title, $options, $sizeDefault );
}
function assertAllowedType() {
global $wgPlayerTemplates;
if (!isset($wgPlayerTemplates[$this->mimetype]) || !$wgPlayerTemplates[$this->mimetype])
throw new PlayerException(wfMsg("player-not-allowed"), 403);
}
function setType( $image ) {
$this->mimetype = $image->getMimeType();
$this->mediatype = $image->getMediaType();
#FIXME: ugly hack! do this on upload!
if ( $this->mimetype == 'unknown/unknown' ) {
$mime = MimeMagic::singleton();
$ext = preg_replace('!^.*\.([^.]+)$!', '\1', $image->getName());
$this->mimetype = $mime->guessTypesForExtension($ext);
$this->mediatype = $mime->getMediaType(null, $this->mimetype);
}
if ( preg_match('!/(x-)?ogg$!', $this->mimetype) ) {
if ( $this->mediatype == MEDIATYPE_AUDIO ) $this->mimetype = 'audio/ogg';
elseif ( $this->mediatype == MEDIATYPE_VIDEO ) $this->mimetype = 'video/ogg';
else $this->mimetype = 'application/ogg';
}
}
function setSize( $width, $height, $sizeDefault = 'imagesize' ) {
global $wgUser;
#print "[WHq: $width, $height]";
if ($height) $height = (int)$height;
if ($width) $width = (int)$width;
if ($height<=0) $height = null;
if ($width<=0) $width = null;
if ( $this->mediatype == MEDIATYPE_AUDIO ) {
//HACK! this actually depends on the player used, and thus on the mime type.
$imgwidth = 250;
$imgheight = 140;
if (!$width) $width = $imgwidth;
if (!$height) $height = $height;
}
else {
$imgwidth = $this->image->getWidth();
$imgheight = $this->image->getHeight();
if ( $this->mediatype == MEDIATYPE_VIDEO && (!$imgwidth || !$imgheight) ) {
$dim = Player::detectVideoResolution( $this->image, $this->mimetype );
if ($dim) {
list( $imgwidth, $imgheight ) = $dim;
//TODO: store in DataBase!
}
}
}
$imgratio = $imgheight && $imgwidth ? (float)$imgwidth / (float)$imgheight : 1;
#print "[WH0: $width, $height; $imgwidth, $imgheight ~$imgratio]";
if (!$width && !$height) {
$wopt = @$this->options['playersize'];
if ($wopt) {
if (preg_match('/([it])?(\d+)/i', $wopt, $m)) {
$sz = @$m[1];
if ($sz && strtolower($sz) == 't') $sizeDefault = 'thumbsize';
else $sizeDefault = 'imagesize';
$wopt = (int)$m[2];
}
else $wopt = false;
}
if (!$wopt) $wopt = $wgUser->getOption( $sizeDefault );
if ( $sizeDefault == 'thumbsize' ) $limits = $GLOBALS['wgThumbLimits'];
else $limits = $GLOBALS['wgImageLimits'];
if( !isset( $limits[$wopt] ) ) {
$wopt = User::getDefaultOption( $sizeDefault );
}
list($width, $height) = $limits[$wopt];
if (!$width) $width = $sizeDefault == 'thumbsize' ? 180 : 600;
}
#print "[WH1: $width, $height]";
if ($imgwidth && $width > $imgwidth) {
if ($height) $height = ceil($height * ((float)$imgwidth / $width));
$width = $imgwidth;
}
if ($imgheight && $height > $imgheight) {
if ($width) $width = ceil($width * ((float)$imgheight / $height));
$height = $imgheight;
}
#print "[WH2: $width, $height]";
if (!$width) $width = ceil($height * $imgratio);
elseif (!$height) $height = ceil($width / $imgratio);
#print "[WH3: $width, $height]";
$this->width = $width;
$this->height = $height;
}
static function detectVideoResolution( $image, $mimetype = null ) {
global $wgPlayerVideoResolutionDetector;
if (!$wgPlayerVideoResolutionDetector) return false;
$file = $image->getImagePath();
if (!$file) return false;
if (!$mimetype) $mimetype = $image->getMimeType();
if (!is_array($wgPlayerVideoResolutionDetector)) $detector = $wgPlayerVideoResolutionDetector;
elseif (isset($wgPlayerVideoResolutionDetector[$mimetype])) $detector = $wgPlayerVideoResolutionDetector[$mimetype];
else $detector = $wgPlayerVideoResolutionDetector['*'];
if (!$detector) return false;
if (is_array($detector)) extract($detector);
else $command = $detector;
$command = str_replace('$file', wfEscapeShellArg($file), $command);
$command = str_replace('$type', wfEscapeShellArg($mimetype), $command);
wfProfileIn( 'detectVideoResolution' );
wfDebug( "detectVideoResolution: $command\n" );
$retval = 0;
$out = wfShellExec( $command, $retval );
wfProfileOut( 'detectVideoResolution' );
if ($retval != 0) return false; //TODO: log!
if (!$out) return false;
$out = trim($out);
if (!$out) return false;
if (isset($outpattern) && isset($outreplace)) $out = preg_replace($outpattern, $outreplace, $out);
if (!preg_match('!(\d+)x(\d+)!', $out, $m)) return false;
array_shift($m);
return $m; // array( $width, $height )
}
/**
* Set the script tags in an OutputPage object
* @param OutputPage $outputPage
*/
static function setHeaders( &$outputPage ) {
global $wgJsMimeType, $wgPlayerExtensionPath, $wgContLang;
# Register css file for Player
/*$outputPage->addLink(
array(
'rel' => 'stylesheet',
'type' => 'text/css',
'href' => $wgPlayerExtensionPath . '/Player.css'
)
);*/
# Register css RTL file for Player
/*if( $wgContLang->isRTL() ) {
$outputPage->addLink(
array(
'rel' => 'stylesheet',
'type' => 'text/css',
'href' => $wgPlayerExtensionPath . '/Player.rtl.css'
)
);
}*/
# Register main js file for Player
$outputPage->addScript(
"<script type=\"{$wgJsMimeType}\" src=\"{$wgPlayerExtensionPath}/Player.js\">" .
"</script>\n"
);
//var playerLoadingMsg = \"".Xml::escapeJsString(wfMsg('player-loading'))."\";
//var playerErrorMsg = \"".Xml::escapeJsString(wfMsg('player-error'))."\";
# Add messages
$outputPage->addScript(
" <script type=\"{$wgJsMimeType}\">
var wgPlayerExtensionPath = \"".$wgPlayerExtensionPath."\";
</script>\n"
);
}
static function processTemplate( $template, $options ) {
$html = $template;
#$html = preg_replace("!\\\\(.)!", "\1\\1\1", $html);
#print "\nH <pre>".htmlspecialchars($html)."</pre>\n";
foreach ($options as $k => $v) {
$html = preg_replace('@\{\{\{'.$k.'(\|([^\}]*?))?\}\}\}@sm', $v, $html);
$html = preg_replace('@\{\{\{#attr:'.$k.'\}\}\}@sm', $k.'="'.$v.'"', $html);
$html = preg_replace('@\{\{\{#attr:'.$k.'\|([^\}]*?)\}\}\}@sm', '\1="'.$v.'"', $html);
$html = preg_replace('@\{\{\{#param:'.$k.'\}\}\}@sm', '<param name="'.$v.'" value="'.$v.'"/>', $html);
$html = preg_replace('@\{\{\{#param:'.$k.'\|([^\}]*?)\}\}\}@sm', '<param name="\1" value="'.$v.'"/>', $html);
$html = preg_replace('@\{\{\{#ifset:'.$k.'\|([^\}]*?)\}\}\}@sm', '\1', $html);
$html = preg_replace('@\{\{\{#ifunset:'.$k.'\|([^\}]*?)\}\}\}@sm', '', $html);
}
#print "\nK <pre>".htmlspecialchars($html)."</pre>\n";
$html = preg_replace('@\{\{\{#env:(\w[-.\w\d]*)\}\}\}@sme', '$GLOBALS["\1"]', $html);
$html = preg_replace('@\{\{\{\w[-.\w\d]*\}\}\}@sm', '', $html);
$html = preg_replace('@\{\{\{\w[-.\w\d]*\|([^\}]*)\}\}\}@sm', '\1', $html);
$html = preg_replace('@\{\{\{#(attr|param):\w[-.\w\d]*(\|[^\}]*)?\}\}\}@sm', '', $html);
$html = preg_replace('@\{\{\{#ifunset:\w[-.\w\d]*\|([^\}]*?)\}\}\}@sm', '\1', $html);
$html = preg_replace('@\{\{\{#ifset:\w[-.\w\d]*(\|[^\}]*)?\}\}\}@sm', '', $html);
$html = preg_replace('@\{\{\{.*?\}\}\}@sm', '', $html);
#$html = preg_replace("!\1(.)\1!", "\\1", $html);
$html = trim( preg_replace('@[\r\n\t ]+@', ' ', $html) );
return $html;
}
function getTemplateParameters() {
global $wgUser, $wgPlayerTemplates, $wgServer;
static $uniq = 0;
$uniq += 1;
$parameters = array();
$skin = $wgUser->getSkin();
foreach ($this->options as $k => $v) {
$parameters[$k] = htmlspecialchars($v, ENT_QUOTES);
}
$type = $this->mimetype;
global $wgPlayerMimeOverride;
if (isset($wgPlayerMimeOverride[$type])) $type = $wgPlayerMimeOverride[$type];
$parameters['uniq'] = $this->uniq;
$parameters['url'] = htmlspecialchars($this->image->getURL());
$parameters['fullurl'] = htmlspecialchars($wgServer . $this->image->getURL());
$parameters['type'] = $type;
$parameters['pageurl'] = htmlspecialchars($this->title->getFullURL());
$parameters['filename'] = htmlspecialchars($this->title->getText());
$parameters['plainalt'] = htmlspecialchars($this->title->getText());
$parameters['htmlalt'] = $skin->makeKnownLinkObj( $this->title );
$parameters['width'] = $this->width;
$parameters['height'] = $this->height;
return $parameters;
}
function getTemplate() {
global $wgPlayerTemplates;
$template = @$wgPlayerTemplates[$this->mimetype];
if (!$template) throw new PlayerException(wfMsg("player-not-allowed"), 403); //NOTE: fail *before* applying foregeneric!
if (@$this->options['forcegeneric']) $template = @$wgPlayerTemplates['generic'];
return trim( $template );
}
function getPlayerHTML( ) {
$this->assertAllowedType();
$template = $this->getTemplate();
$parameters = $this->getTemplateParameters();
$html = Player::processTemplate($template, $parameters);
return $html;
}
function getPlayerTitle() {
if (!@$this->playerTitle) $this->playerTitle = SpecialPage::getTitleFor('Player', $this->title->getDBkey());
return $this->playerTitle;
}
function getAjaxPlaceholder( $attributes, $pageopt ) {
global $wgUser, $wgPlayerExtensionPath, $wgUseAjax;
$sk = $wgUser->getSkin();
$this->assertAllowedType();
if ($pageopt) $pagequery = "options=" . urlencode(urlencodeMap($pageopt)); //NOTE: double-encode!
else $pagequery = '';
$sptitle = $this->getPlayerTitle();
$spurl = $sptitle->getLocalURL( $pagequery );
$ajaxopt = $this->options;
$ajaxopt['width'] = $this->width;
$ajaxopt['height'] = $this->height;
unset($ajaxopt['caption']);
$ajaxopt = urlencodeMap($ajaxopt);
if ( $wgUseAjax ) $js = ' this.href="javascript:void(0);"; loadPlayer("' . Xml::escapeJsString($this->title->getDBkey()) . '", "' . Xml::escapeJsString($ajaxopt) . '", "' . Xml::escapeJsString($this->uniq) . '");';
else $js = '';
$alt = htmlspecialchars(wfMsg('player-clicktoplay', $this->title->getText()));
$blank = "<img src=\"$wgPlayerExtensionPath/blank.gif\" width=\"{$this->width}\" height=\"{$this->height}\" border=\"0\" alt=\"$alt\" class=\"thumbimage\" style=\"width:{$this->width} ! important; height:{$this->height} ! important;\"/>";
$thumbstyle = '';
$thumbimg = null;
$thumbname = @$attributes['thumb'];
if ($thumbname) $thumbimg = wfFindFile( $thumbname );
if ($thumbimg && $thumbimg->exists()) {
$tni = $thumbimg->transform( array( 'width' => $this->width, 'height' => $this->height ), 0 );
if ($tni) $thumbstyle = 'background-image:url('.$tni->getUrl().'); background-position:center; background-repeat:no-repeat; text-decoration:none;';
}
$placeholder = '<a href="'.htmlspecialchars($spurl).'" onclick="'.htmlspecialchars($js).'" title="'.$alt.'" class="internal" style="display:block; '.$thumbstyle.'">' .
$blank .
'</a>';
$overlay = "<a id=\"{$this->uniq}-overlay\" href=\"".htmlspecialchars($spurl)."\" onclick=\"".htmlspecialchars($js)."\" title=\"$alt\" class=\"internal\" style=\"display:block; position:absolute; top:0; left:0; width:{$this->width}; height:{$this->height}; background-image:url($wgPlayerExtensionPath/play.gif); background-position:center; background-repeat:no-repeat; text-decoration:none; \">" .
$blank .
"</a>";
return "<div style='position:relative; width:{$this->width}; height:{$this->height};'>$placeholder $overlay</div>";
}
function getThumbnailHTML( $attributes, $deferred = null ) {
global $wgUser, $wgPlayerExtensionPath;
$sk = $wgUser->getSkin();
if ($deferred === null) {
if ( $this->mediatype == MEDIATYPE_BITMAP
|| $this->mediatype == MEDIATYPE_DRAWING ) $deferred = false;
else $deferred = true;
}
$pageopt = $this->options;
unset($pageopt['width']);
unset($pageopt['height']);
unset($pageopt['caption']);
if ($pageopt) $pagequery = "options=" . urlencode(urlencodeMap($pageopt)); //NOTE: double-encode!
else $pagequery = '';
$sptitle = $this->getPlayerTitle();
$splink = $sk->makeLinkObj( $sptitle, wfMsgHtml('player-goto-player'), $pagequery );
$iplink = $sk->makeLinkObj( $this->title, wfMsgHtml('player-goto-page') );
$iflink = '<a href="'.htmlspecialchars($this->image->getURL()).'" class="internal">'.wfMsg('player-goto-file').'</a>'; #FIXME: get path
$caption = @$this->options['caption'];
if (is_null($caption)) $caption = '';
if ($deferred) {
$html = $this->getAjaxPlaceholder($attributes, $pageopt);
}
else {
$html = $this->getPlayerHTML();
}
if ($caption != '') $caption = htmlspecialchars($caption); //TODO: use parser to convert wikitext -> html!
if ($caption != '') $caption .= ' <br /> ';
if ($iplink != '') $iplink .= ' | ';
if ($splink != '') $splink .= ' | ';
$style = '';
$attr = '';
$align = @$attributes['align'];
if (!$align) $align = 'none';
if ($align == 'left') $aligncls = 'tleft';
elseif ($align == 'right') $aligncls = 'tright';
elseif ($align == 'center') $aligncls = 'tnone';
elseif ($align == 'none') $aligncls = 'tnone';
else $aligncls = 'tnone'; //inlining complex boxes doesn't really work...
$cls = 'playerbox thumb ' . $aligncls;
$innercls = '';
//$style = 'width:'.$this->width.'px;';
if (isset($attributes['class'])) $cls.= ' ' . htmlspecialchars($attributes['class']);
if (isset($attributes['style'])) $style.= ' ' . htmlspecialchars($attributes['style']);
if (isset($attributes['id'])) $attr.= ' id="' . htmlspecialchars($attributes['id']) . '"';
$html= '
<div class="'.$cls.'" '.$attr.'>
<div class="thumbinner '.$innercls.'" style="width: '.($this->width+2).'px; '.$style.'" id="' . $this->uniq . '-box">
<div id="' . $this->uniq . '-container">
'.$html.'
</div>
<p class="thumbcaption">
'.$caption.'
'.$iplink.'
'.$splink.'
'.$iflink.'
</p>
</div>
</div>';
if ($align == 'center') $html = '<div class="center">' . $html . '</div>';
return $html;
}
}
class PlayerException extends MWException {
function getHTTPCode() {
switch ($this->code) {
case '400': $msg = 'Bad request'; break;
case '403': $msg = 'Forbidden'; break;
case '404': $msg = 'Not Found'; break;
case '410': $msg = 'Gone'; break;
case '500': $msg = 'Internal Server Error'; break;
case '501': $msg = 'Not Implemented'; break;
case '503': $msg = 'Service Unavailable'; break;
default: $msg = '';
}
return trim("{$this->code} $msg");
}
}