function RedirectToCachedFile()
{
global $phpThumb;
$nice_cachefile = str_replace(DIRECTORY_SEPARATOR, '/', $phpThumb->cache_filename);
$nice_docroot = str_replace(DIRECTORY_SEPARATOR, '/', rtrim($phpThumb->config_document_root, '/\\'));
$parsed_url = phpthumb_functions::ParseURLbetter(@$_SERVER['HTTP_REFERER']);
$nModified = filemtime($phpThumb->cache_filename);
if ($phpThumb->config_nooffsitelink_enabled && !empty($_SERVER['HTTP_REFERER']) && !in_array(@$parsed_url['host'], $phpThumb->config_nooffsitelink_valid_domains)) {
$phpThumb->DebugMessage('Would have used cached (image/' . $phpThumb->thumbnailFormat . ') file "' . $phpThumb->cache_filename . '" (Last-Modified: ' . gmdate('D, d M Y H:i:s', $nModified) . ' GMT), but skipping because $_SERVER[HTTP_REFERER] (' . @$_SERVER['HTTP_REFERER'] . ') is not in $phpThumb->config_nooffsitelink_valid_domains (' . implode(';', $phpThumb->config_nooffsitelink_valid_domains) . ')', __FILE__, __LINE__);
} elseif ($phpThumb->phpThumbDebug) {
$phpThumb->DebugTimingMessage('skipped using cached image', __FILE__, __LINE__);
$phpThumb->DebugMessage('Would have used cached file, but skipping due to phpThumbDebug', __FILE__, __LINE__);
$phpThumb->DebugMessage('* Would have sent headers (1): Last-Modified: ' . gmdate('D, d M Y H:i:s', $nModified) . ' GMT', __FILE__, __LINE__);
if ($getimagesize = @getimagesize($phpThumb->cache_filename)) {
$phpThumb->DebugMessage('* Would have sent headers (2): Content-Type: ' . phpthumb_functions::ImageTypeToMIMEtype($getimagesize[2]), __FILE__, __LINE__);
}
if (preg_match('#^' . preg_quote($nice_docroot) . '(.*)$#', $nice_cachefile, $matches)) {
$phpThumb->DebugMessage('* Would have sent headers (3): Location: ' . dirname($matches[1]) . '/' . urlencode(basename($matches[1])), __FILE__, __LINE__);
} else {
$phpThumb->DebugMessage('* Would have sent data: readfile(' . $phpThumb->cache_filename . ')', __FILE__, __LINE__);
}
} else {
if (headers_sent()) {
$phpThumb->ErrorImage('Headers already sent (' . basename(__FILE__) . ' line ' . __LINE__ . ')');
exit;
}
SendSaveAsFileHeaderIfNeeded();
header('Pragma: private');
header('Cache-Control: max-age=' . $phpThumb->getParameter('config_cache_maxage'));
header('Expires: ' . date(DATE_RFC1123, time() + $phpThumb->getParameter('config_cache_maxage')));
if (!empty($_SERVER['HTTP_IF_MODIFIED_SINCE']) && $nModified == strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']) && !empty($_SERVER['SERVER_PROTOCOL'])) {
header('Last-Modified: ' . gmdate('D, d M Y H:i:s', $nModified) . ' GMT');
header($_SERVER['SERVER_PROTOCOL'] . ' 304 Not Modified');
exit;
}
header('Last-Modified: ' . gmdate('D, d M Y H:i:s', $nModified) . ' GMT');
header('ETag: "' . md5_file($phpThumb->cache_filename) . '"');
if ($getimagesize = @getimagesize($phpThumb->cache_filename)) {
header('Content-Type: ' . phpthumb_functions::ImageTypeToMIMEtype($getimagesize[2]));
} elseif (preg_match('#\\.ico$#i', $phpThumb->cache_filename)) {
header('Content-Type: image/x-icon');
}
header('Content-Length: ' . filesize($phpThumb->cache_filename));
if (empty($phpThumb->config_cache_force_passthru) && preg_match('#^' . preg_quote($nice_docroot) . '(.*)$#', $nice_cachefile, $matches)) {
header('Location: ' . dirname($matches[1]) . '/' . urlencode(basename($matches[1])));
} else {
@readfile($phpThumb->cache_filename);
}
exit;
}
return true;
}
function spit_phpthumb_image($filepath, $configarray = array())
{
// set up class
global $CFG, $PHPTHUMB_CONFIG;
$phpThumb = new phpThumb();
// import default config
if (!empty($PHPTHUMB_CONFIG)) {
foreach ($PHPTHUMB_CONFIG as $key => $value) {
$keyname = 'config_' . $key;
$phpThumb->setParameter($keyname, $value);
}
}
// import passed params
if (!empty($configarray)) {
foreach ($configarray as $key => $value) {
$keyname = $key;
$phpThumb->setParameter($keyname, $value);
}
}
$phpThumb->setSourceFilename($filepath);
if (!is_file($phpThumb->sourceFilename) && !phpthumb_functions::gd_version()) {
if (!headers_sent()) {
// base64-encoded error image in GIF format
$ERROR_NOGD = 'R0lGODlhIAAgALMAAAAAABQUFCQkJDY2NkZGRldXV2ZmZnJycoaGhpSUlKWlpbe3t8XFxdXV1eTk5P7+/iwAAAAAIAAgAAAE/vDJSau9WILtTAACUinDNijZtAHfCojS4W5H+qxD8xibIDE9h0OwWaRWDIljJSkUJYsN4bihMB8th3IToAKs1VtYM75cyV8sZ8vygtOE5yMKmGbO4jRdICQCjHdlZzwzNW4qZSQmKDaNjhUMBX4BBAlmMywFSRWEmAI6b5gAlhNxokGhooAIK5o/pi9vEw4Lfj4OLTAUpj6IabMtCwlSFw0DCKBoFqwAB04AjI54PyZ+yY3TD0ss2YcVmN/gvpcu4TOyFivWqYJlbAHPpOntvxNAACcmGHjZzAZqzSzcq5fNjxFmAFw9iFRunD1epU6tsIPmFCAJnWYE0FURk7wJDA0MTKpEzoWAAskiAAA7';
header('Content-Type: image/gif');
echo base64_decode($ERROR_NOGD);
} else {
echo '*** ERROR: No PHP-GD support available ***';
}
exit;
}
$phpThumb->SetCacheFilename();
if (!file_exists($phpThumb->cache_filename) && is_writable(dirname($phpThumb->cache_filename))) {
// error_log("generating to cache: " . $phpThumb->cache_filename);
$phpThumb->CleanUpCacheDirectory();
$phpThumb->GenerateThumbnail();
$phpThumb->RenderToFile($phpThumb->cache_filename);
}
if (is_file($phpThumb->cache_filename)) {
// error_log("sending from cache: " . $phpThumb->cache_filename);
if ($getimagesize = @GetImageSize($phpThumb->cache_filename)) {
$mimetype = phpthumb_functions::ImageTypeToMIMEtype($getimagesize[2]);
}
spitfile_with_mtime_check($phpThumb->cache_filename, $mimetype);
} else {
// error_log("phpthumb cache file doesn't exist: " . $phpThumb->cache_filename);
$phpThumb->GenerateThumbnail();
$phpThumb->OutputThumbnail();
exit;
}
}
/** PHPTHUMB HELPER METHODS **/
public function RedirectToCachedFile() {
$nice_cachefile = str_replace(DIRECTORY_SEPARATOR, '/', $this->cache_filename);
$nice_docroot = str_replace(DIRECTORY_SEPARATOR, '/', rtrim($this->config_document_root, '/\\'));
$parsed_url = phpthumb_functions::ParseURLbetter(@$_SERVER['HTTP_REFERER']);
$nModified = filemtime($this->cache_filename);
if ($this->config_nooffsitelink_enabled && @$_SERVER['HTTP_REFERER'] && !in_array(@$parsed_url['host'], $this->config_nooffsitelink_valid_domains)) {
$this->DebugMessage('Would have used cached (image/'.$this->thumbnailFormat.') file "'.$this->cache_filename.'" (Last-Modified: '.gmdate('D, d M Y H:i:s', $nModified).' GMT), but skipping because $_SERVER[HTTP_REFERER] ('.@$_SERVER['HTTP_REFERER'].') is not in $this->config_nooffsitelink_valid_domains ('.implode(';', $this->config_nooffsitelink_valid_domains).')', __FILE__, __LINE__);
} elseif ($this->phpThumbDebug) {
$this->DebugTimingMessage('skipped using cached image', __FILE__, __LINE__);
$this->DebugMessage('Would have used cached file, but skipping due to phpThumbDebug', __FILE__, __LINE__);
$this->DebugMessage('* Would have sent headers (1): Last-Modified: '.gmdate('D, d M Y H:i:s', $nModified).' GMT', __FILE__, __LINE__);
$getimagesize = @GetImageSize($this->cache_filename);
if ($getimagesize) {
$this->DebugMessage('* Would have sent headers (2): Content-Type: '.phpthumb_functions::ImageTypeToMIMEtype($getimagesize[2]), __FILE__, __LINE__);
}
if (ereg('^'.preg_quote($nice_docroot).'(.*)$', $nice_cachefile, $matches)) {
$this->DebugMessage('* Would have sent headers (3): Location: '.dirname($matches[1]).'/'.urlencode(basename($matches[1])), __FILE__, __LINE__);
} else {
$this->DebugMessage('* Would have sent data: readfile('.$this->cache_filename.')', __FILE__, __LINE__);
}
} else {
if (headers_sent()) {
$this->ErrorImage('Headers already sent ('.basename(__FILE__).' line '.__LINE__.')');
exit;
}
$this->SendSaveAsFileHeaderIfNeeded();
header('Last-Modified: '.gmdate('D, d M Y H:i:s', $nModified).' GMT');
if (@$_SERVER['HTTP_IF_MODIFIED_SINCE'] && ($nModified == strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE'])) && @$_SERVER['SERVER_PROTOCOL']) {
header($_SERVER['SERVER_PROTOCOL'].' 304 Not Modified');
exit;
}
$getimagesize = @GetImageSize($this->cache_filename);
if ($getimagesize) {
header('Content-Type: '.phpthumb_functions::ImageTypeToMIMEtype($getimagesize[2]));
} elseif (eregi('\.ico$', $this->cache_filename)) {
header('Content-Type: image/x-icon');
}
if (!$this->config_cache_force_passthru && ereg('^'.preg_quote($nice_docroot).'(.*)$', $nice_cachefile, $matches)) {
header('Location: '.dirname($matches[1]).'/'.urlencode(basename($matches[1])));
} else {
@readfile($this->cache_filename);
}
exit;
}
return true;
}
function OutputThumbnail()
{
$this->purgeTempFiles();
if (!$this->useRawIMoutput && !is_resource($this->gdimg_output)) {
$this->DebugMessage('OutputThumbnail() failed because !is_resource($this->gdimg_output)', __FILE__, __LINE__);
return false;
}
if (headers_sent()) {
return $this->ErrorImage('OutputThumbnail() failed - headers already sent');
exit;
}
$downloadfilename = phpthumb_functions::SanitizeFilename(is_string($this->sia) ? $this->sia : ($this->down ? $this->down : 'phpThumb_generated_thumbnail' . '.' . $this->thumbnailFormat));
$this->DebugMessage('Content-Disposition header filename set to "' . $downloadfilename . '"', __FILE__, __LINE__);
if ($downloadfilename) {
header('Content-Disposition: ' . ($this->down ? 'attachment' : 'inline') . '; filename="' . $downloadfilename . '"');
} else {
$this->DebugMessage('failed to send Content-Disposition header because $downloadfilename is empty', __FILE__, __LINE__);
}
if ($this->useRawIMoutput) {
header('Content-Type: ' . phpthumb_functions::ImageTypeToMIMEtype($this->thumbnailFormat));
echo $this->IMresizedData;
} else {
$this->DebugMessage('ImageInterlace($this->gdimg_output, ' . intval($this->config_output_interlace) . ')', __FILE__, __LINE__);
ImageInterlace($this->gdimg_output, intval($this->config_output_interlace));
switch ($this->thumbnailFormat) {
case 'jpeg':
header('Content-Type: ' . phpthumb_functions::ImageTypeToMIMEtype($this->thumbnailFormat));
$ImageOutFunction = 'image' . $this->thumbnailFormat;
@$ImageOutFunction($this->gdimg_output, '', $this->thumbnailQuality);
break;
case 'png':
case 'gif':
header('Content-Type: ' . phpthumb_functions::ImageTypeToMIMEtype($this->thumbnailFormat));
$ImageOutFunction = 'image' . $this->thumbnailFormat;
@$ImageOutFunction($this->gdimg_output);
break;
case 'bmp':
if (!@(include_once dirname(__FILE__) . '/phpthumb.bmp.php')) {
$this->DebugMessage('Error including "' . dirname(__FILE__) . '/phpthumb.bmp.php" which is required for BMP format output', __FILE__, __LINE__);
return false;
}
$phpthumb_bmp = new phpthumb_bmp();
if (is_object($phpthumb_bmp)) {
$bmp_data = $phpthumb_bmp->GD2BMPstring($this->gdimg_output);
unset($phpthumb_bmp);
if (!$bmp_data) {
$this->DebugMessage('$phpthumb_bmp->GD2BMPstring() failed', __FILE__, __LINE__);
return false;
}
header('Content-Type: ' . phpthumb_functions::ImageTypeToMIMEtype($this->thumbnailFormat));
echo $bmp_data;
} else {
$this->DebugMessage('new phpthumb_bmp() failed', __FILE__, __LINE__);
return false;
}
break;
case 'ico':
if (!@(include_once dirname(__FILE__) . '/phpthumb.ico.php')) {
$this->DebugMessage('Error including "' . dirname(__FILE__) . '/phpthumb.ico.php" which is required for ICO format output', __FILE__, __LINE__);
return false;
}
$phpthumb_ico = new phpthumb_ico();
if (is_object($phpthumb_ico)) {
$arrayOfOutputImages = array($this->gdimg_output);
$ico_data = $phpthumb_ico->GD2ICOstring($arrayOfOutputImages);
unset($phpthumb_ico);
if (!$ico_data) {
$this->DebugMessage('$phpthumb_ico->GD2ICOstring() failed', __FILE__, __LINE__);
return false;
}
header('Content-Type: ' . phpthumb_functions::ImageTypeToMIMEtype($this->thumbnailFormat));
echo $ico_data;
} else {
$this->DebugMessage('new phpthumb_ico() failed', __FILE__, __LINE__);
return false;
}
break;
default:
$this->DebugMessage('OutputThumbnail failed because $this->thumbnailFormat "' . $this->thumbnailFormat . '" is not valid', __FILE__, __LINE__);
return false;
break;
}
}
return true;
}
}
////////////////////////////////////////////////////////////////
// check to see if file can be output from source with no processing or caching
$CanPassThroughDirectly = true;
$FilenameParameters = array('h', 'w', 'sx', 'sy', 'sw', 'sh', 'bw', 'brx', 'bry', 'bg', 'bgt', 'bc', 'usa', 'usr', 'ust', 'wmf', 'wmp', 'wmm', 'wma', 'xto', 'ra', 'ar', 'iar', 'maxb');
foreach ($FilenameParameters as $key) {
if (isset($_REQUEST[$key])) {
$CanPassThroughDirectly = false;
break;
}
}
if ($CanPassThroughDirectly && !empty($_REQUEST['src'])) {
// no parameters set, passthru
$SourceFilename = $phpThumb->ResolveFilenameToAbsolute($_REQUEST['src']);
if ($getimagesize = @GetImageSize($SourceFilename)) {
header('Content-type: ' . phpthumb_functions::ImageTypeToMIMEtype($getimagesize[2]));
@readfile($SourceFilename);
exit;
}
}
// check to see if file already exists in cache, and output it with no processing if it does
if (!empty($phpThumb->config_cache_directory) && empty($_REQUEST['phpThumbDebug'])) {
$cache_filename = $phpThumb->GenerateCachedFilename();
if (is_file($cache_filename)) {
header('Content-type: image/' . $phpThumb->thumbnailFormat);
@readfile($cache_filename);
exit;
}
}
////////////////////////////////////////////////////////////////
// You may want to pull data from a database rather than a physical file
function OutputThumbnail()
{
if (!$this->useRawIMoutput && !is_resource($this->gdimg_output)) {
$this->DebugMessage('OutputThumbnail() failed because !is_resource($this->gdimg_output)', __FILE__, __LINE__);
return false;
}
if (headers_sent()) {
return $this->ErrorImage('OutputThumbnail() failed - headers already sent');
exit;
}
if ($this->down) {
$downloadfilename = ereg_replace('[/\\:\\*\\?"<>|]', '_', $this->down);
if (phpthumb_functions::version_compare_replacement(phpversion(), '4.1.0', '>=')) {
$downloadfilename = trim($downloadfilename, '.');
}
if ($downloadfilename != $this->down) {
$this->DebugMessage('renaming output file for "down" from "' . $this->down . '" to "' . $downloadfilename . '"', __FILE__, __LINE__);
}
if ($downloadfilename) {
header('Content-Disposition: attachment; filename="' . $downloadfilename . '"');
} else {
$this->DebugMessage('failed to send Content-Disposition header because $downloadfilename is empty', __FILE__, __LINE__);
}
}
if ($this->useRawIMoutput) {
header('Content-Type: ' . phpthumb_functions::ImageTypeToMIMEtype($this->thumbnailFormat));
echo $this->IMresizedData;
} else {
$this->DebugMessage('ImageInterlace($this->gdimg_output, ' . intval($this->config_output_interlace) . ')', __FILE__, __LINE__);
ImageInterlace($this->gdimg_output, intval($this->config_output_interlace));
switch ($this->thumbnailFormat) {
case 'jpeg':
header('Content-Type: ' . phpthumb_functions::ImageTypeToMIMEtype($this->thumbnailFormat));
$ImageOutFunction = 'image' . $this->thumbnailFormat;
@$ImageOutFunction($this->gdimg_output, '', $this->thumbnailQuality);
break;
case 'png':
case 'gif':
header('Content-Type: ' . phpthumb_functions::ImageTypeToMIMEtype($this->thumbnailFormat));
$ImageOutFunction = 'image' . $this->thumbnailFormat;
@$ImageOutFunction($this->gdimg_output);
break;
case 'bmp':
if (!@(include_once dirname(__FILE__) . '/phpthumb.bmp.php')) {
$this->DebugMessage('Error including "' . dirname(__FILE__) . '/phpthumb.bmp.php" which is required for BMP format output', __FILE__, __LINE__);
return false;
}
$phpthumb_bmp = new phpthumb_bmp();
if (is_object($phpthumb_bmp)) {
$bmp_data = $phpthumb_bmp->GD2BMPstring($this->gdimg_output);
unset($phpthumb_bmp);
if (!$bmp_data) {
$this->DebugMessage('$phpthumb_bmp->GD2BMPstring() failed', __FILE__, __LINE__);
return false;
}
header('Content-Type: ' . phpthumb_functions::ImageTypeToMIMEtype($this->thumbnailFormat));
echo $bmp_data;
} else {
$this->DebugMessage('new phpthumb_bmp() failed', __FILE__, __LINE__);
return false;
}
break;
case 'ico':
if (!@(include_once dirname(__FILE__) . '/phpthumb.ico.php')) {
$this->DebugMessage('Error including "' . dirname(__FILE__) . '/phpthumb.ico.php" which is required for ICO format output', __FILE__, __LINE__);
return false;
}
$phpthumb_ico = new phpthumb_ico();
if (is_object($phpthumb_ico)) {
$arrayOfOutputImages = array($this->gdimg_output);
$ico_data = $phpthumb_ico->GD2ICOstring($arrayOfOutputImages);
unset($phpthumb_ico);
if (!$ico_data) {
$this->DebugMessage('$phpthumb_ico->GD2ICOstring() failed', __FILE__, __LINE__);
return false;
}
header('Content-Type: ' . phpthumb_functions::ImageTypeToMIMEtype($this->thumbnailFormat));
echo $ico_data;
} else {
$this->DebugMessage('new phpthumb_ico() failed', __FILE__, __LINE__);
return false;
}
break;
default:
$this->DebugMessage('OutputThumbnail failed because $this->thumbnailFormat "' . $this->thumbnailFormat . '" is not valid', __FILE__, __LINE__);
return false;
break;
}
}
return true;
}
function ExtractEXIFgetImageSize()
{
if (is_resource($this->gdimg_source)) {
$this->source_width = ImageSX($this->gdimg_source);
$this->source_height = ImageSY($this->gdimg_source);
} elseif ($this->rawImageData && !$this->sourceFilename) {
$this->DebugMessage('bypassing EXIF and GetImageSize sections because $this->rawImageData is set and $this->sourceFilename is not', __FILE__, __LINE__);
} elseif ($this->getimagesizeinfo = @GetImageSize($this->sourceFilename)) {
$this->source_width = $this->getimagesizeinfo[0];
$this->source_height = $this->getimagesizeinfo[1];
if (function_exists('exif_thumbnail') && $this->getimagesizeinfo[2] == 2) {
// Extract EXIF info from JPEGs
$this->exif_thumbnail_width = '';
$this->exif_thumbnail_height = '';
$this->exif_thumbnail_type = '';
// The parameters width, height and imagetype are available since PHP v4.3.0
if (phpthumb_functions::version_compare_replacement(phpversion(), '4.3.0', '>=')) {
$this->exif_thumbnail_data = @exif_thumbnail($this->sourceFilename, $this->exif_thumbnail_width, $this->exif_thumbnail_height, $this->exif_thumbnail_type);
} else {
// older versions of exif_thumbnail output an error message but NOT return false on failure
ob_start();
$this->exif_thumbnail_data = exif_thumbnail($this->sourceFilename);
$exit_thumbnail_error = ob_get_contents();
ob_end_clean();
if (empty($exit_thumbnail_error) && !empty($this->exif_thumbnail_data)) {
if ($gdimg_exif_temp = $this->ImageCreateFromStringReplacement($this->exif_thumbnail_data, false)) {
$this->exif_thumbnail_width = ImageSX($gdimg_exif_temp);
$this->exif_thumbnail_height = ImageSY($gdimg_exif_temp);
$this->exif_thumbnail_type = 2;
// (2 == JPEG) before PHP v4.3.0 only JPEG format EXIF thumbnails are returned
unset($gdimg_exif_temp);
} else {
return $this->ErrorImage('Failed - $this->ImageCreateFromStringReplacement($this->exif_thumbnail_data) in ' . __FILE__ . ' on line ' . __LINE__);
}
}
}
} elseif (!function_exists('exif_thumbnail')) {
$this->DebugMessage('exif_thumbnail() does not exist, cannot extract EXIF thumbnail', __FILE__, __LINE__);
}
// see if EXIF thumbnail can be used directly with no processing
if (!empty($this->exif_thumbnail_data)) {
while (true) {
if (empty($this->xto)) {
if (isset($this->w) && $this->w != $this->exif_thumbnail_width) {
break;
}
if (isset($this->h) && $this->h != $this->exif_thumbnail_height) {
break;
}
$CannotBeSetParameters = array('sx', 'sy', 'sh', 'sw', 'far', 'bg', 'bc', 'fltr', 'phpThumbDebug');
foreach ($CannotBeSetParameters as $parameter) {
if (!empty($this->{$parameter})) {
break 2;
}
}
}
// EXIF thumbnail can be used directly for these parameters - write cached file
$ImageTypesLookup = array(2 => 'jpeg');
// EXIF thumbnails are (currently?) only availble from JPEG source images
if (is_dir($this->config_cache_directory) && is_writable($this->config_cache_directory) && isset($ImageTypesLookup[$this->exif_thumbnail_type])) {
if ($fp_cached = @fopen($this->cache_filename, 'wb')) {
fwrite($fp_cached, $this->exif_thumbnail_data);
fclose($fp_cached);
} else {
$this->DebugMessage('failed to fopen $this->cache_filename (' . $this->cache_filename . ')', __FILE__, __LINE__);
}
} else {
$this->DebugMessage('!is_dir($this->config_cache_directory), or !is_writable($this->config_cache_directory) (' . $this->cache_filename . '); or !isset($ImageTypesLookup[' . $this->exif_thumbnail_type . '])', __FILE__, __LINE__);
}
if ($mime_type = phpthumb_functions::ImageTypeToMIMEtype($this->exif_thumbnail_type)) {
header('Content-type: ' . $mime_type);
echo $this->exif_thumbnail_data;
exit;
} else {
return $this->ErrorImage('phpthumb_functions::ImageTypeToMIMEtype(' . $this->exif_thumbnail_type . ') failed in ' . __FILE__ . ' on line ' . __LINE__);
}
break;
}
}
if ($this->config_max_source_pixels > 0 && $this->source_width * $this->source_height > $this->config_max_source_pixels) {
// Source image is larger than would fit in available PHP memory.
// If ImageMagick is installed, use it to generate the thumbnail.
// Else, if an EXIF thumbnail is available, use that as the source image.
// Otherwise, no choice but to fail with an error message
$this->DebugMessage('image is ' . $this->source_width . 'x' . $this->source_height . ' and therefore contains more pixels (' . $this->source_width * $this->source_height . ') than $this->config_max_source_pixels setting (' . $this->config_max_source_pixels . ')', __FILE__, __LINE__);
if ($this->ImageMagickThumbnailToGD()) {
// excellent, we have a thumbnailed source image
} elseif (!empty($this->exif_thumbnail_data)) {
$this->DebugMessage('ImageMagickThumbnailToGD() failed, but $this->exif_thumbnail_data is usable', __FILE__, __LINE__);
// EXIF thumbnail exists, and will be use as source image
$this->gdimg_source = $this->ImageCreateFromStringReplacement($this->exif_thumbnail_data);
$this->source_width = $this->exif_thumbnail_width;
$this->source_height = $this->exif_thumbnail_height;
// override allow-enlarging setting if EXIF thumbnail is the only source available
// otherwise thumbnails larger than the EXIF thumbnail will be created at EXIF size
$this->config_output_allow_enlarging = true;
} else {
return $this->ErrorImage('Source image is (' . $this->source_width . 'x' . $this->source_height . ') which equals ' . sprintf('%1.1f', $this->source_width * $this->source_height) . ' megapixels, which is more than the allowed ' . sprintf('%1.1f', $this->config_max_source_pixels / 1000000) . ' megapixels -- insufficient memory.' . "\n" . 'EXIF thumbnail unavailable.');
}
}
} else {
$this->DebugMessage('GetImageSize("' . $this->sourceFilename . '") failed', __FILE__, __LINE__);
}
return true;
}
if (file_exists($cacheKey)) {
$modx->log(modX::LOG_LEVEL_DEBUG, '[phpThumbOf] Using cached file found for thumb: ' . $cacheKey);
$output = str_replace(' ', '%20', $cacheUrl);
} else {
/* actually make the thumbnail */
//return $cacheKey;
if ($phpThumb->GenerateThumbnail()) {
// this line is VERY important, do not remove it!
if ($phpThumb->RenderToFile($cacheKey)) {
$output = str_replace(' ', '%20', $cacheUrl);
} else {
$modx->log(modX::LOG_LEVEL_ERROR, '[phpThumbOf] Could not cache thumb "' . $src . '" to file at: ' . $cacheKey . ' - Debug: ' . print_r($phpThumb->debugmessages, true));
}
} else {
$modx->log(modX::LOG_LEVEL_ERROR, '[phpThumbOf] Could not generate thumbnail: ' . $src . ' - Debug: ' . print_r($phpThumb->debugmessages, true));
}
}
if (!headers_sent()) {
$headers = $modx->request->getHeaders();
$mtime = filemtime($cacheKey);
if (isset($headers['If-Modified-Since']) && strtotime($headers['If-Modified-Since']) == $mtime) {
// cache is good, send 304
header('Last-Modified: ' . gmdate('D, d M Y H:i:s', $mtime) . ' GMT', true, 304);
exit;
}
header('Last-Modified: ' . gmdate('D, d M Y H:i:s', $mtime) . ' GMT', true, 200);
$phpThumb->setOutputFormat();
header('Content-Type: ' . phpthumb_functions::ImageTypeToMIMEtype($phpThumb->thumbnailFormat));
header('Content-Disposition: inline; filename="' . basename($src) . '"');
}
return file_get_contents($cacheKey);
