private function readUrl_Curl($url, $destFile, ImThumb $requestor)
{
self::$curlFH = @fopen($destFile, 'w');
if (!self::$curlFH) {
throw new ImThumbException('Could not open cache file for remote image', ImThumb::ERR_CACHE);
}
self::$curlDataWritten = 0;
$curl = curl_init($url);
curl_setopt($curl, CURLOPT_TIMEOUT, $requestor->param('externalRequestTimeout'));
curl_setopt($curl, CURLOPT_USERAGENT, "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/534.30 (KHTML, like Gecko) Chrome/12.0.742.122 Safari/534.30");
curl_setopt($curl, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($curl, CURLOPT_HEADER, 0);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($curl, CURLOPT_WRITEFUNCTION, 'ImThumbSource_HTTP::curlWrite');
@curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
@curl_setopt($curl, CURLOPT_MAXREDIRS, 10);
$curlResult = curl_exec($curl);
$httpStatus = curl_getinfo($curl, CURLINFO_HTTP_CODE);
fclose(self::$curlFH);
curl_close($curl);
if ($httpStatus == 404) {
throw new ImThumbNotFoundException('Could not locate remote image', ImThumb::ERR_SRC_IMAGE);
}
if ($httpStatus == 302) {
throw new ImThumbNotFoundException("External Image is Redirecting. Try alternate image url", ImThumb::ERR_SRC_IMAGE);
}
if (!$curlResult) {
throw new ImThumbException("Internal cURL error fetching remote file", ImThumb::ERR_SRC_IMAGE);
}
}
public function validateWith(ImThumb $generator)
{
if (!$this->valid) {
throw new ImThumbNotFoundException("Could not read image metadata", ImThumb::ERR_SRC_IMAGE);
}
if ($this->fileSize > $generator->param('maxSize')) {
throw new ImThumbException("Image file exceeds maximum processable size", ImThumb::ERR_SRC_IMAGE);
}
}
public function readMetadata($src, ImThumb $requestor)
{
$fallbackMeta = new ImThumbMeta();
$src = $this->getRealImagePath($src, $requestor->param('baseDir'));
$mtime = @filemtime($src);
if (false === $mtime) {
return $fallbackMeta->invalid();
}
$fileSize = @filesize($src);
$sData = @getimagesize($src);
// ensure it's an image
if (!$sData) {
return $fallbackMeta->invalid();
}
$mimeType = strtolower($sData['mime']);
if (!preg_match('/^image\\//i', $mimeType)) {
$mimeType = 'image/' . $mimeType;
}
if ($mimeType == 'image/jpg') {
$mimeType = 'image/jpeg';
}
return new ImThumbMeta($src, $mtime, $fileSize, $mimeType);
}
public function getCachePath(ImThumb $imageHandle, $src = null)
{
$cacheDir = $this->baseDir;
if (!$cacheDir) {
return false;
}
if (!$src) {
$src = $imageHandle->getSrc();
}
$extension = substr($src, strrpos($src, '.') + 1);
if ($this->cacheFilenameFormat) {
list($width, $height) = $imageHandle->getTargetSize();
return $cacheDir . '/' . str_replace(array('%filename%', '%ext%', '%w%', '%h%', '%q%', '%a%', '%zc%', '%s%', '%cc%', '%ct%', '%cr%', '%filters%', '%pjpg%', '%upscale%'), array(basename($src, '.' . $extension), $extension, $width, $height, $imageHandle->param('quality'), $imageHandle->param('align'), $imageHandle->param('cropMode'), $imageHandle->param('sharpen') ? 's' : '', $imageHandle->param('canvasColor'), $imageHandle->param('canvasTransparent') ? 't' : '', $imageHandle->param('cropRect'), $imageHandle->param('filters'), $imageHandle->param('jpgProgressive') ? 'p' : '', $imageHandle->param('upscale') ? '' : 'nu'), $this->cacheFilenameFormat);
}
return $cacheDir . '/' . $this->cachePrefix . md5($this->cacheSalt . json_encode($imageHandle->params()) . ImThumb::VERSION) . $this->cacheSuffix;
}