function renderTimeline( $timelinesrc ){
global $wgUploadDirectory, $wgUploadPath, $IP, $wgTimelineSettings, $wgArticlePath, $wgTmpDirectory, $wgRenderHashAppend;
$hash = md5( $timelinesrc );
if ($wgRenderHashAppend != "")
$hash = md5( $hash . $wgRenderHashAppend );
$dest = $wgUploadDirectory."/timeline/";
if ( ! is_dir( $dest ) ) { mkdir( $dest, 0777 ); }
if ( ! is_dir( $wgTmpDirectory ) ) { mkdir( $wgTmpDirectory, 0777 ); }
$fname = $dest . $hash;
$previouslyFailed = file_exists( $fname.".err" );
$previouslyRendered = file_exists( $fname.".png" );
$expired = $previouslyRendered &&
( filemtime( $fname.".png" ) <
wfTimestamp( TS_UNIX, $wgTimelineSettings->epochTimestamp ) );
if ( $expired || ( !$previouslyRendered && !$previouslyFailed ) ){
$handle = fopen($fname, "w");
fwrite($handle, $timelinesrc);
fclose($handle);
$cmdline = wfEscapeShellArg( $wgTimelineSettings->perlCommand, $wgTimelineSettings->timelineFile ) .
" -i " . wfEscapeShellArg( $fname ) . " -m -P " . wfEscapeShellArg( $wgTimelineSettings->ploticusCommand ) .
" -T " . wfEscapeShellArg( $wgTmpDirectory ) . " -A " . wfEscapeShellArg( $wgArticlePath ) .
" -f " . wfEscapeShellArg( $wgTimelineSettings->fontFile );
wfDebug( "Timeline cmd: $cmdline\n" );
$ret = `{$cmdline}`;
unlink($fname);
if ( $ret == "" ) {
// Message not localized, only relevant during install
return "<div id=\"toc\" dir=\"ltr\"><tt>Timeline error. " .
"Command line was: " . htmlspecialchars( $cmdline ) . "</tt></div>";
}
}
@$err = file_get_contents( $fname.".err" );
if ( $err != "" ) {
// Convert the error from poorly-sanitized HTML to plain text
$err = strtr( $err, array(
'</p><p>' => "\n\n",
'<p>' => '',
'</p>' => '',
'<b>' => '',
'</b>' => '',
'<br>' => "\n" ) );
$err = Sanitizer::decodeCharReferences( $err );
// Now convert back to HTML again
$encErr = nl2br( htmlspecialchars( $err ) );
$txt = "<div id=\"toc\" dir=\"ltr\"><tt>$encErr</tt></div>";
} else {
@$map = file_get_contents( $fname.".map" );
$map = str_replace( ' >', ' />', $map );
$map = "<map name=\"timeline_" . htmlspecialchars( $hash ) . "\">{$map}</map>";
$map = easyTimelineFixMap( $map );
if (wfIsWindows()) {
$ext = "gif";
} else {
$ext = "png";
}
$url = "{$wgUploadPath}/timeline/{$hash}.{$ext}";
$txt = $map .
"<img usemap=\"#timeline_" . htmlspecialchars( $hash ) . "\" " .
"src=\"" . htmlspecialchars( $url ) . "\">";
if( $expired ) {
// Replacing an older file, we may need to purge the old one.
global $wgUseSquid;
if( $wgUseSquid ) {
$u = new SquidUpdate( array( $url ) );
$u->doUpdate();
}
}
}
return $txt;
}
/**
* @param $timelinesrc string
* @return string
*/
function wfRenderTimeline($timelinesrc)
{
global $wgUploadDirectory, $wgUploadPath, $wgArticlePath, $wgTmpDirectory, $wgRenderHashAppend;
global $wgTimelineSettings;
// Get the backend to store plot data and pngs
if ($wgTimelineSettings->fileBackend != '') {
$backend = FileBackendGroup::singleton()->get($wgTimelineSettings->fileBackend);
} else {
$backend = new FSFileBackend(array('name' => 'timeline-backend', 'lockManager' => 'nullLockManager', 'containerPaths' => array('timeline-render' => "{$wgUploadDirectory}/timeline"), 'fileMode' => 777));
}
// Get a hash of the plot data
$hash = md5($timelinesrc);
if ($wgRenderHashAppend != '') {
$hash = md5($hash . $wgRenderHashAppend);
}
// Storage destination path (excluding file extension)
$fname = 'mwstore://' . $backend->getName() . "/timeline-render/{$hash}";
// Wikia change - begin
wfRunHooks('BeforeRenderTimeline', [&$backend, &$fname, $hash]);
// Wikia change - end
$previouslyFailed = $backend->fileExists(array('src' => "{$fname}.err"));
$previouslyRendered = $backend->fileExists(array('src' => "{$fname}.png"));
if ($previouslyRendered) {
$timestamp = $backend->getFileTimestamp(array('src' => "{$fname}.png"));
$expired = $timestamp < $wgTimelineSettings->epochTimestamp;
} else {
$expired = false;
}
// Create a new .map, .png (or .gif), and .err file as needed...
if ($expired || !$previouslyRendered && !$previouslyFailed) {
if (!is_dir($wgTmpDirectory)) {
mkdir($wgTmpDirectory, 0777);
}
$tmpFile = TempFSFile::factory('timeline_');
if ($tmpFile) {
$tmpPath = $tmpFile->getPath();
file_put_contents($tmpPath, $timelinesrc);
// store plot data to file
// Get command for ploticus to read the user input and output an error,
// map, and rendering (png or gif) file under the same dir as the temp file.
$cmdline = wfEscapeShellArg($wgTimelineSettings->perlCommand, $wgTimelineSettings->timelineFile) . " -i " . wfEscapeShellArg($tmpPath) . " -m -P " . wfEscapeShellArg($wgTimelineSettings->ploticusCommand) . " -T " . wfEscapeShellArg($wgTmpDirectory) . " -A " . wfEscapeShellArg($wgArticlePath) . " -f " . wfEscapeShellArg($wgTimelineSettings->fontFile);
// Actually run the command...
wfDebug("Timeline cmd: {$cmdline}\n");
$retVal = null;
$ret = wfShellExec($cmdline, $retVal);
// Copy the output files into storage...
// @TODO: store error files in another container or not at all?
$opt = array('force' => 1, 'nonLocking' => 1, 'allowStale' => 1);
// performance
$backend->prepare(array('dir' => dirname($fname)));
$backend->store(array('src' => "{$tmpPath}.map", 'dst' => "{$fname}.map"), $opt);
$backend->store(array('src' => "{$tmpPath}.png", 'dst' => "{$fname}.png"), $opt);
$backend->store(array('src' => "{$tmpPath}.err", 'dst' => "{$fname}.err"), $opt);
} else {
return "<div id=\"toc\" dir=\"ltr\"><tt>Timeline error. " . "Could not create temp file</tt></div>";
// ugh
}
if ($ret == "" || $retVal > 0) {
// Message not localized, only relevant during install
return "<div id=\"toc\" dir=\"ltr\"><tt>Timeline error. " . "Command line was: " . htmlspecialchars($cmdline) . "</tt></div>";
}
}
// Wikia change - begin
if ($backend->fileExists(array('src' => "{$fname}.err", 'latest' => true))) {
$err = $backend->getFileContents(array('src' => "{$fname}.err"));
} else {
$err = '';
}
// Wikia change - end
if ($err != "") {
// Convert the error from poorly-sanitized HTML to plain text
$err = strtr($err, array('</p><p>' => "\n\n", '<p>' => '', '</p>' => '', '<b>' => '', '</b>' => '', '<br>' => "\n"));
$err = Sanitizer::decodeCharReferences($err);
// Now convert back to HTML again
$encErr = nl2br(htmlspecialchars($err));
$txt = "<div id=\"toc\" dir=\"ltr\"><tt>{$encErr}</tt></div>";
} else {
// Wikia change - begin
if ($backend->fileExists(array('src' => "{$fname}.map", 'latest' => true))) {
$map = $backend->getFileContents(array('src' => "{$fname}.map"));
} else {
$map = '';
}
// Wikia change - end
$map = str_replace(' >', ' />', $map);
$map = "<map name=\"timeline_" . htmlspecialchars($hash) . "\">{$map}</map>";
$map = easyTimelineFixMap($map);
$url = "{$wgUploadPath}/timeline/{$hash}.png";
// Wikia change - begin
$url = wfReplaceImageServer($url);
// Wikia change - end
$txt = $map . "<img usemap=\"#timeline_" . htmlspecialchars($hash) . "\" " . "src=\"" . htmlspecialchars($url) . "\">";
if ($expired) {
// Replacing an older file, we may need to purge the old one.
global $wgUseSquid;
if ($wgUseSquid) {
$u = new SquidUpdate(array($url));
$u->doUpdate();
}
}
}
return $txt;
}
