public function fetchSpotImage($fullSpot)
{
SpotTiming::start(__CLASS__ . '::' . __FUNCTION__);
$return_code = 0;
$validImage = false;
$imageString = '';
$data = $this->_cacheDao->getCachedSpotImage($fullSpot['messageid']);
if ($data !== false) {
$this->_cacheDao->updateSpotImageCacheStamp($fullSpot['messageid'], $data);
SpotTiming::stop(__CLASS__ . '::' . __FUNCTION__);
return $data;
}
# if
/*
* Determine whether the spot is stored on an NNTP server or a web resource,
* older spots are stored on an HTTP server
*/
if (is_array($fullSpot['image'])) {
try {
/*
* Convert the list of segments to a format
* usable for readBinary()
*/
$segmentList = array();
foreach ($fullSpot['image']['segment'] as $seg) {
$segmentList[] = $seg;
}
# foreach
SpotTiming::start('fetchSpotImage::readBinary()');
$imageString = $this->_nntpSpotReading->readBinary($segmentList, false);
SpotTiming::stop('fetchSpotImage::readBinary()');
$validImage = true;
} catch (Exception $x) {
$validImage = false;
$return_code = $x->getCode();
}
# catch
} elseif (empty($fullSpot['image'])) {
/*
* Spot did not contain an image (this is illegal?),
* create a dummy error message
*/
$validImage = false;
$return_code = 901;
} elseif (!empty($fullSpot['image'])) {
/*
* We don't want the HTTP layer of this code to cache the image, because
* we want to cache / store additional information in the cache for images
*/
$tmpPerform = $this->_serviceHttp->perform($fullSpot['image'], null, 0);
$return_code = $tmpPerform['http_code'];
$imageString = $tmpPerform['data'];
if ($return_code == 200 || $return_code == 304) {
$validImage = true;
}
# else
}
# elseif
/*
* Now validate the resource we have retrieved from the server
*/
if ($validImage) {
SpotTiming::start('fetchSpotImage::getImageDimensions()');
$svc_ImageUtil = new Services_Image_Util();
$dimensions = $svc_ImageUtil->getImageDimensions($imageString);
SpotTiming::stop('fetchSpotImage::getImageDimensions()', array());
/*
* If this is not a valid image, create a dummy error code,
* else we save it in the cache
*/
if ($dimensions !== false) {
/*
* If the current image is an BMP file, convert it to
* JPEG
*/
if ($dimensions['isbmp']) {
SpotTiming::start('fetchSpotImage::convertToBmp()');
$svc_ImageBmpConverter = new Services_Image_BmpConverter();
$imageString = $svc_ImageBmpConverter->convertBmpImageStringToJpeg($imageString, $dimensions);
$dimensions = $svc_ImageUtil->getImageDimensions($imageString);
$validImage = $dimensions !== false;
SpotTiming::stop('fetchSpotImage::convertToBmp()', serialize($validImage));
}
# if
/*
* and store the file in the cache
*/
if ($validImage) {
/*
* This is an actual SpotImage
*/
$dimensions['is_tempimage'] = false;
SpotTiming::start('fetchSpotImage::savingToCache()');
if (!$this->_cacheDao->saveSpotImageCache($fullSpot['messageid'], $dimensions, $imageString, false)) {
$validImage = false;
$return_code = 997;
}
# if
SpotTiming::stop('fetchSpotImage::savingToCache()', serialize($validImage));
}
# if
} else {
$validImage = false;
$return_code = 998;
}
# if
}
# if
/*
* Did we get a return code other than 200 OK and
* other than 304 (Resource Not modified), create
* an error code image
*/
if (!$validImage) {
SpotTiming::start('fetchSpotImage::createErrorImage()');
$svc_ImageError = new Services_Image_Error();
$errorImage = $svc_ImageError->createErrorImage($return_code);
SpotTiming::stop('fetchSpotImage::createErrorImage()');
$imageString = $errorImage['content'];
$dimensions = $errorImage['metadata'];
/*
* Store a copy of the error image so we don't request
* the same image over and over.
*/
$this->_cacheDao->saveSpotImageCache($fullSpot['messageid'], $dimensions, $imageString, true);
}
# if
SpotTiming::stop(__CLASS__ . '::' . __FUNCTION__, array($fullSpot));
return array('content' => $imageString, 'metadata' => $dimensions);
}
function changeAvatar($userId, $imageString)
{
$result = new Dto_FormResult();
/*
* Don't allow images larger than 4000 bytes
*/
if (strlen($imageString) > 4000) {
$result->addError(_('An avatar image has a maximum of 4000 bytes'));
}
# if
/*
* Make sure the image can be read, and stuff
*/
$svc_ImageUtil = new Services_Image_Util();
$dimensions = $svc_ImageUtil->getImageDimensions($imageString);
if ($dimensions === false) {
$result->addError(_('Invalid avatar image was supplied'));
}
# if
/*
* If the user supplied an BMP file, convert it to a
* JPEG file
*/
if ($dimensions['isbmp']) {
$svc_ImageBmpConverter = new Services_Image_BmpConverter();
$imageString = $svc_ImageBmpConverter->convertBmpImageStringToJpeg($imageString, $dimensions);
}
# if
if ($result->isSuccess()) {
/*
* We store the images base64 encoded
*/
$imageString = base64_encode($imageString);
/*
* and update the database
*/
$this->_userDao->setUserAvatar($userId, $imageString);
}
# if
return $result;
}
