public function run()
{
$bDebug = defined('DEBUG') && DEBUG;
try {
// get profile URL
$sXmlUrl = $this->getProfileUrl(false);
// load config
$oCommonConfig = FileConfig::getInstance('common.cfg');
$oImageConfig = FileConfig::getInstance('image.cfg');
$oGPCConfig = GPCConfig::getInstance('get');
// load config vars
$iCacheLifetime = $oCommonConfig->getInteger('cache.lifetime', 600);
$sCacheDir = $oCommonConfig->getString('cache.dir', 'cache');
$bImageFallback = $oImageConfig->getString('image.fallback', true);
$sDefaultLayout = $oImageConfig->getString('image.layout.default', 'small');
$sDefaultTheme = $oImageConfig->getString('image.theme.default', 'default');
$sLayout = $oGPCConfig->getStringAlnum('layout', $sDefaultLayout);
$sTheme = $oGPCConfig->getStringAlnum('theme', $sDefaultTheme);
// init cache
$oImageCache = new Cache($sCacheDir, $iCacheLifetime, 'png');
$oImageFile = $oImageCache->getFile($_SERVER['QUERY_STRING']);
$sImageBase = 'image/layouts';
if (!file_exists("{$sImageBase}/{$sLayout}")) {
if (!file_exists("{$sImageBase}/{$sDefaultLayout}")) {
throw new RuntimeException('Default layout folder not found');
}
$sLayout = $sDefaultLayout;
}
$sLayoutDir = "{$sImageBase}/{$sLayout}";
include "{$sLayoutDir}/SteamProfileImage.php";
try {
// do we have a cached version of the profile image?
if (!$oImageFile->isCached()) {
$oProfileImage = new SteamProfileImage();
// try to generate the profile image
$oProfileImage->createProfile($sXmlUrl, $sLayoutDir, $sTheme);
// save it to cache
$oProfileImage->toPng($oImageFile->getPath());
// clear stat cache to ensure that the rest of the
// script will notice the file modification
clearstatcache();
}
$this->displayImage($oImageFile);
} catch (SteamProfileImageException $e) {
// on debug mode, re-throw
if ($bDebug) {
$ep = $e->getPrevious();
throw $ep == null ? $e : $ep;
}
// an exception was thrown in SteamProfileImage,
// but a themed error image could have been generated
try {
// try a fallback to the cached image first
if ($bImageFallback && $oImageFile->exists()) {
$this->displayImage($oImageFile);
} else {
// try to display the error image
$oProfileImage->toPng();
}
} catch (Exception $f) {
// didn't work, re-throw the source exception
throw $e;
}
} catch (Exception $e) {
// on debug mode, re-throw
if ($bDebug) {
$ep = $e->getPrevious();
throw $ep == null ? $e : $ep;
}
// an exception was thrown in SteamProfileImage,
// but we could try a fallback to the cached image
if ($bImageFallback && $oImageFile->exists()) {
// redirect to cached image file
$this->displayImage($oImageFile);
} else {
// nothing cached, re-throw exception
throw $e;
}
}
} catch (Exception $e) {
// quite fatal error, try to render a fail-safe error image
if ($bDebug || !GDImage::isAvailable()) {
$oHeader = new HTTPHeader();
$oHeader->setResponse('Content-Type', 'text/plain');
echo $bDebug ? "{$e}\n" : $e->getMessage();
} else {
$ErrorImage = new ErrorImage($e->getMessage());
$ErrorImage->toPng();
}
}
}