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phpthumb.class.php
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phpthumb.class.php
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<?php
//////////////////////////////////////////////////////////////
/// phpThumb() by James Heinrich <[email protected]> //
// available at http://phpthumb.sourceforge.net ///
//////////////////////////////////////////////////////////////
/// //
// See: phpthumb.readme.txt for usage instructions //
// ///
//////////////////////////////////////////////////////////////
ob_start();
if (!include_once(dirname(__FILE__).'/phpthumb.functions.php')) {
ob_end_flush();
die('failed to include_once("'.realpath(dirname(__FILE__).'/phpthumb.functions.php').'")');
}
ob_end_clean();
class phpthumb {
// public:
// START PARAMETERS (for object mode and phpThumb.php)
// See phpthumb.readme.txt for descriptions of what each of these values are
var $src = null; // SouRCe filename
var $new = null; // NEW image (phpThumb.php only)
var $w = null; // Width
var $h = null; // Height
var $wp = null; // Width (Portrait Images Only)
var $hp = null; // Height (Portrait Images Only)
var $wl = null; // Width (Landscape Images Only)
var $hl = null; // Height (Landscape Images Only)
var $ws = null; // Width (Square Images Only)
var $hs = null; // Height (Square Images Only)
var $f = null; // output image Format
var $q = 75; // jpeg output Quality
var $sx = null; // Source crop top-left X position
var $sy = null; // Source crop top-left Y position
var $sw = null; // Source crop Width
var $sh = null; // Source crop Height
var $zc = null; // Zoom Crop
var $bc = null; // Border Color
var $bg = null; // BackGround color
var $fltr = array(); // FiLTeRs
var $goto = null; // GO TO url after processing
var $err = null; // default ERRor image filename
var $xto = null; // extract eXif Thumbnail Only
var $ra = null; // Rotate by Angle
var $ar = null; // Auto Rotate
var $aoe = null; // Allow Output Enlargement
var $far = null; // Fixed Aspect Ratio
var $iar = null; // Ignore Aspect Ratio
var $maxb = null; // MAXimum Bytes
var $down = null; // DOWNload thumbnail filename
var $md5s = null; // MD5 hash of Source image
var $sfn = 0; // Source Frame Number
var $dpi = 150; // Dots Per Inch for vector source formats
var $sia = null; // Save Image As filename
var $file = null; // >>>deprecated, DO NOT USE, will be removed in future versions<<<
var $phpThumbDebug = null;
// END PARAMETERS
// public:
// START CONFIGURATION OPTIONS (for object mode only)
// See phpThumb.config.php for descriptions of what each of these settings do
// * Directory Configuration
var $config_cache_directory = null;
var $config_cache_directory_depth = 0;
var $config_cache_disable_warning = true;
var $config_cache_source_enabled = false;
var $config_cache_source_directory = null;
var $config_temp_directory = null;
var $config_document_root = null;
// * Default output configuration:
var $config_output_format = 'jpeg';
var $config_output_maxwidth = 0;
var $config_output_maxheight = 0;
var $config_output_interlace = true;
// * Error message configuration
var $config_error_image_width = 400;
var $config_error_image_height = 100;
var $config_error_message_image_default = '';
var $config_error_bgcolor = 'CCCCFF';
var $config_error_textcolor = 'FF0000';
var $config_error_fontsize = 1;
var $config_error_die_on_error = false;
var $config_error_silent_die_on_error = false;
var $config_error_die_on_source_failure = true;
// * Anti-Hotlink Configuration:
var $config_nohotlink_enabled = true;
var $config_nohotlink_valid_domains = array();
var $config_nohotlink_erase_image = true;
var $config_nohotlink_text_message = 'Off-server thumbnailing is not allowed';
// * Off-server Linking Configuration:
var $config_nooffsitelink_enabled = false;
var $config_nooffsitelink_valid_domains = array();
var $config_nooffsitelink_require_refer = false;
var $config_nooffsitelink_erase_image = true;
var $config_nooffsitelink_watermark_src = '';
var $config_nooffsitelink_text_message = 'Off-server linking is not allowed';
// * Border & Background default colors
var $config_border_hexcolor = '000000';
var $config_background_hexcolor = 'FFFFFF';
// * TrueType Fonts
var $config_ttf_directory = './fonts';
var $config_max_source_pixels = null;
var $config_use_exif_thumbnail_for_speed = false;
var $allow_local_http_src = false;
var $config_imagemagick_path = null;
var $config_prefer_imagemagick = true;
var $config_imagemagick_use_thumbnail = true;
var $config_cache_maxage = null;
var $config_cache_maxsize = null;
var $config_cache_maxfiles = null;
var $config_cache_source_filemtime_ignore_local = false;
var $config_cache_source_filemtime_ignore_remote = true;
var $config_cache_default_only_suffix = false;
var $config_cache_force_passthru = true;
var $config_cache_prefix = ''; // default value set in the constructor below
// * MySQL
var $config_mysql_query = null;
var $config_mysql_hostname = null;
var $config_mysql_username = null;
var $config_mysql_password = null;
var $config_mysql_database = null;
// * Security
var $config_high_security_enabled = false;
var $config_high_security_password = null;
var $config_disable_debug = true;
var $config_allow_src_above_docroot = false;
var $config_allow_src_above_phpthumb = true;
// * HTTP fopen
var $config_http_fopen_timeout = 10;
var $config_http_follow_redirect = true;
// * Compatability
var $config_disable_pathinfo_parsing = false;
var $config_disable_imagecopyresampled = false;
var $config_disable_onlycreateable_passthru = false;
var $config_http_user_agent = 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.12) Gecko/20050915 Firefox/1.0.7';
// END CONFIGURATION OPTIONS
// public: error messages (read-only; persistant)
var $debugmessages = array();
var $debugtiming = array();
var $fatalerror = null;
// private: (should not be modified directly)
var $thumbnailQuality = 75;
var $thumbnailFormat = null;
var $sourceFilename = null;
var $rawImageData = null;
var $IMresizedData = null;
var $outputImageData = null;
var $useRawIMoutput = false;
var $gdimg_output = null;
var $gdimg_source = null;
var $getimagesizeinfo = null;
var $source_width = null;
var $source_height = null;
var $thumbnailCropX = null;
var $thumbnailCropY = null;
var $thumbnailCropW = null;
var $thumbnailCropH = null;
var $exif_thumbnail_width = null;
var $exif_thumbnail_height = null;
var $exif_thumbnail_type = null;
var $exif_thumbnail_data = null;
var $exif_raw_data = null;
var $thumbnail_width = null;
var $thumbnail_height = null;
var $thumbnail_image_width = null;
var $thumbnail_image_height = null;
var $tempFilesToDelete = array();
var $cache_filename = null;
var $AlphaCapableFormats = array('png', 'ico', 'gif');
var $is_alpha = false;
var $iswindows = null;
var $issafemode = null;
var $phpthumb_version = '1.7.11-201108081537';
//////////////////////////////////////////////////////////////////////
// public: constructor
function phpThumb() {
$this->DebugTimingMessage('phpThumb() constructor', __FILE__, __LINE__);
$this->DebugMessage('phpThumb() v'.$this->phpthumb_version, __FILE__, __LINE__);
$this->config_max_source_pixels = round(max(intval(ini_get('memory_limit')), intval(get_cfg_var('memory_limit'))) * 1048576 * 0.20); // 20% of memory_limit
$this->iswindows = (bool) (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN');
$this->issafemode = (bool) preg_match('#(1|ON)#i', ini_get('safe_mode'));
$this->config_document_root = (!empty($_SERVER['DOCUMENT_ROOT']) ? $_SERVER['DOCUMENT_ROOT'] : $this->config_document_root);
$this->config_cache_prefix = ( isset($_SERVER['SERVER_NAME']) ? $_SERVER['SERVER_NAME'].'_' : '');
$this->purgeTempFiles(); // purge existing temp files if re-initializing object
$php_sapi_name = strtolower(function_exists('php_sapi_name') ? php_sapi_name() : '');
if ($php_sapi_name == 'cli') {
$this->config_allow_src_above_docroot = true;
}
}
function __destruct() {
$this->purgeTempFiles();
}
// public:
function purgeTempFiles() {
foreach ($this->tempFilesToDelete as $tempFileToDelete) {
if (file_exists($tempFileToDelete)) {
$this->DebugMessage('Deleting temp file "'.$tempFileToDelete.'"', __FILE__, __LINE__);
@unlink($tempFileToDelete);
}
}
$this->tempFilesToDelete = array();
return true;
}
// public:
function setSourceFilename($sourceFilename) {
//$this->resetObject();
//$this->rawImageData = null;
$this->sourceFilename = $sourceFilename;
$this->src = $sourceFilename;
if (is_null($this->config_output_format)) {
$sourceFileExtension = strtolower(substr(strrchr($sourceFilename, '.'), 1));
if (preg_match('#^[a-z]{3,4}$#', $sourceFileExtension)) {
$this->config_output_format = $sourceFileExtension;
$this->DebugMessage('setSourceFilename('.$sourceFilename.') set $this->config_output_format to "'.$sourceFileExtension.'"', __FILE__, __LINE__);
} else {
$this->DebugMessage('setSourceFilename('.$sourceFilename.') did NOT set $this->config_output_format to "'.$sourceFileExtension.'" because it did not seem like an appropriate image format', __FILE__, __LINE__);
}
}
$this->DebugMessage('setSourceFilename('.$sourceFilename.') set $this->sourceFilename to "'.$this->sourceFilename.'"', __FILE__, __LINE__);
return true;
}
// public:
function setSourceData($rawImageData, $sourceFilename='') {
//$this->resetObject();
//$this->sourceFilename = null;
$this->rawImageData = $rawImageData;
$this->DebugMessage('setSourceData() setting $this->rawImageData ('.strlen($this->rawImageData).' bytes; magic="'.substr($this->rawImageData, 0, 4).'" ('.phpthumb_functions::HexCharDisplay(substr($this->rawImageData, 0, 4)).'))', __FILE__, __LINE__);
if ($this->config_cache_source_enabled) {
$sourceFilename = ($sourceFilename ? $sourceFilename : md5($rawImageData));
if (!is_dir($this->config_cache_source_directory)) {
$this->ErrorImage('$this->config_cache_source_directory ('.$this->config_cache_source_directory.') is not a directory');
} elseif (!@is_writable($this->config_cache_source_directory)) {
$this->ErrorImage('$this->config_cache_source_directory ('.$this->config_cache_source_directory.') is not writable');
}
$this->DebugMessage('setSourceData() attempting to save source image to "'.$this->config_cache_source_directory.DIRECTORY_SEPARATOR.urlencode($sourceFilename).'"', __FILE__, __LINE__);
if ($fp = @fopen($this->config_cache_source_directory.DIRECTORY_SEPARATOR.urlencode($sourceFilename), 'wb')) {
fwrite($fp, $rawImageData);
fclose($fp);
} elseif (!$this->phpThumbDebug) {
$this->ErrorImage('setSourceData() failed to write to source cache ('.$this->config_cache_source_directory.DIRECTORY_SEPARATOR.urlencode($sourceFilename).')');
}
}
return true;
}
// public:
function setSourceImageResource($gdimg) {
//$this->resetObject();
$this->gdimg_source = $gdimg;
return true;
}
// public:
function setParameter($param, $value) {
if ($param == 'src') {
$this->setSourceFilename($this->ResolveFilenameToAbsolute($value));
} elseif (@is_array($this->$param)) {
if (is_array($value)) {
foreach ($value as $arraykey => $arrayvalue) {
array_push($this->$param, $arrayvalue);
}
} else {
array_push($this->$param, $value);
}
} else {
$this->$param = $value;
}
return true;
}
// public:
function getParameter($param) {
//if (property_exists('phpThumb', $param)) {
return $this->$param;
//}
//$this->DebugMessage('setParameter() attempting to get non-existant parameter "'.$param.'"', __FILE__, __LINE__);
//return false;
}
// public:
function GenerateThumbnail() {
$this->setOutputFormat();
$this->phpThumbDebug('8a');
$this->ResolveSource();
$this->phpThumbDebug('8b');
$this->SetCacheFilename();
$this->phpThumbDebug('8c');
$this->ExtractEXIFgetImageSize();
$this->phpThumbDebug('8d');
if ($this->useRawIMoutput) {
$this->DebugMessage('Skipping rest of GenerateThumbnail() because ($this->useRawIMoutput == true)', __FILE__, __LINE__);
return true;
}
$this->phpThumbDebug('8e');
if (!$this->SourceImageToGD()) {
$this->DebugMessage('SourceImageToGD() failed', __FILE__, __LINE__);
return false;
}
$this->phpThumbDebug('8f');
$this->Rotate();
$this->phpThumbDebug('8g');
$this->CreateGDoutput();
$this->phpThumbDebug('8h');
switch ($this->far) {
case 'L':
case 'TL':
case 'BL':
$destination_offset_x = 0;
$destination_offset_y = round(($this->thumbnail_height - $this->thumbnail_image_height) / 2);
break;
case 'R':
case 'TR':
case 'BR':
$destination_offset_x = round($this->thumbnail_width - $this->thumbnail_image_width);
$destination_offset_y = round(($this->thumbnail_height - $this->thumbnail_image_height) / 2);
break;
case 'T':
case 'TL':
case 'TR':
$destination_offset_x = round(($this->thumbnail_width - $this->thumbnail_image_width) / 2);
$destination_offset_y = 0;
break;
case 'B':
case 'BL':
case 'BR':
$destination_offset_x = round(($this->thumbnail_width - $this->thumbnail_image_width) / 2);
$destination_offset_y = round($this->thumbnail_height - $this->thumbnail_image_height);
break;
case 'C':
default:
$destination_offset_x = round(($this->thumbnail_width - $this->thumbnail_image_width) / 2);
$destination_offset_y = round(($this->thumbnail_height - $this->thumbnail_image_height) / 2);
}
// // copy/resize image to appropriate dimensions
// $borderThickness = 0;
// if (!empty($this->fltr)) {
// foreach ($this->fltr as $key => $value) {
// if (preg_match('#^bord\|([0-9]+)#', $value, $matches)) {
// $borderThickness = $matches[1];
// break;
// }
// }
// }
// if ($borderThickness > 0) {
// //$this->DebugMessage('Skipping ImageResizeFunction() because BorderThickness="'.$borderThickness.'"', __FILE__, __LINE__);
// $this->thumbnail_image_height /= 2;
// }
$this->ImageResizeFunction(
$this->gdimg_output,
$this->gdimg_source,
$destination_offset_x,
$destination_offset_y,
$this->thumbnailCropX,
$this->thumbnailCropY,
$this->thumbnail_image_width,
$this->thumbnail_image_height,
$this->thumbnailCropW,
$this->thumbnailCropH
);
$this->DebugMessage('memory_get_usage() after copy-resize = '.(function_exists('memory_get_usage') ? @memory_get_usage() : 'n/a'), __FILE__, __LINE__);
ImageDestroy($this->gdimg_source);
$this->DebugMessage('memory_get_usage() after ImageDestroy = '.(function_exists('memory_get_usage') ? @memory_get_usage() : 'n/a'), __FILE__, __LINE__);
$this->phpThumbDebug('8i');
$this->AntiOffsiteLinking();
$this->phpThumbDebug('8j');
$this->ApplyFilters();
$this->phpThumbDebug('8k');
$this->AlphaChannelFlatten();
$this->phpThumbDebug('8l');
$this->MaxFileSize();
$this->phpThumbDebug('8m');
$this->DebugMessage('GenerateThumbnail() completed successfully', __FILE__, __LINE__);
return true;
}
// public:
function RenderOutput() {
if (!$this->useRawIMoutput && !is_resource($this->gdimg_output)) {
$this->DebugMessage('RenderOutput() failed because !is_resource($this->gdimg_output)', __FILE__, __LINE__);
return false;
}
if (!$this->thumbnailFormat) {
$this->DebugMessage('RenderOutput() failed because $this->thumbnailFormat is empty', __FILE__, __LINE__);
return false;
}
if ($this->useRawIMoutput) {
$this->DebugMessage('RenderOutput copying $this->IMresizedData ('.strlen($this->IMresizedData).' bytes) to $this->outputImage', __FILE__, __LINE__);
$this->outputImageData = $this->IMresizedData;
return true;
}
$builtin_formats = array();
if (function_exists('ImageTypes')) {
$imagetypes = ImageTypes();
$builtin_formats['wbmp'] = (bool) ($imagetypes & IMG_WBMP);
$builtin_formats['jpg'] = (bool) ($imagetypes & IMG_JPG);
$builtin_formats['gif'] = (bool) ($imagetypes & IMG_GIF);
$builtin_formats['png'] = (bool) ($imagetypes & IMG_PNG);
}
$this->DebugMessage('RenderOutput() attempting Image'.strtoupper(@$this->thumbnailFormat).'($this->gdimg_output)', __FILE__, __LINE__);
ob_start();
switch ($this->thumbnailFormat) {
case 'wbmp':
if (!@$builtin_formats['wbmp']) {
$this->DebugMessage('GD does not have required built-in support for WBMP output', __FILE__, __LINE__);
ob_end_clean();
return false;
}
ImageJPEG($this->gdimg_output, null, $this->thumbnailQuality);
$this->outputImageData = ob_get_contents();
break;
case 'jpeg':
case 'jpg': // should be "jpeg" not "jpg" but just in case...
if (!@$builtin_formats['jpg']) {
$this->DebugMessage('GD does not have required built-in support for JPEG output', __FILE__, __LINE__);
ob_end_clean();
return false;
}
ImageJPEG($this->gdimg_output, null, $this->thumbnailQuality);
$this->outputImageData = ob_get_contents();
break;
case 'png':
if (!@$builtin_formats['png']) {
$this->DebugMessage('GD does not have required built-in support for PNG output', __FILE__, __LINE__);
ob_end_clean();
return false;
}
ImagePNG($this->gdimg_output);
$this->outputImageData = ob_get_contents();
break;
case 'gif':
if (!@$builtin_formats['gif']) {
$this->DebugMessage('GD does not have required built-in support for GIF output', __FILE__, __LINE__);
ob_end_clean();
return false;
}
ImageGIF($this->gdimg_output);
$this->outputImageData = ob_get_contents();
break;
case 'bmp':
$ImageOutFunction = '"builtin BMP output"';
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__);
ob_end_clean();
return false;
}
$phpthumb_bmp = new phpthumb_bmp();
$this->outputImageData = $phpthumb_bmp->GD2BMPstring($this->gdimg_output);
unset($phpthumb_bmp);
break;
case 'ico':
$ImageOutFunction = '"builtin ICO output"';
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__);
ob_end_clean();
return false;
}
$phpthumb_ico = new phpthumb_ico();
$arrayOfOutputImages = array($this->gdimg_output);
$this->outputImageData = $phpthumb_ico->GD2ICOstring($arrayOfOutputImages);
unset($phpthumb_ico);
break;
default:
$this->DebugMessage('RenderOutput failed because $this->thumbnailFormat "'.$this->thumbnailFormat.'" is not valid', __FILE__, __LINE__);
ob_end_clean();
return false;
}
ob_end_clean();
if (!$this->outputImageData) {
$this->DebugMessage('RenderOutput() for "'.$this->thumbnailFormat.'" failed', __FILE__, __LINE__);
ob_end_clean();
return false;
}
$this->DebugMessage('RenderOutput() completing with $this->outputImageData = '.strlen($this->outputImageData).' bytes', __FILE__, __LINE__);
return true;
}
// public:
function RenderToFile($filename) {
if (preg_match('#^(f|ht)tps?\://#i', $filename)) {
$this->DebugMessage('RenderToFile() failed because $filename ('.$filename.') is a URL', __FILE__, __LINE__);
return false;
}
// render thumbnail to this file only, do not cache, do not output to browser
//$renderfilename = $this->ResolveFilenameToAbsolute(dirname($filename)).DIRECTORY_SEPARATOR.basename($filename);
$renderfilename = $filename;
if (($filename{0} != '/') && ($filename{0} != '\\') && ($filename{1} != ':')) {
$renderfilename = $this->ResolveFilenameToAbsolute($renderfilename);
}
if (!@is_writable(dirname($renderfilename))) {
$this->DebugMessage('RenderToFile() failed because "'.dirname($renderfilename).'/" is not writable', __FILE__, __LINE__);
return false;
}
if (@is_file($renderfilename) && !@is_writable($renderfilename)) {
$this->DebugMessage('RenderToFile() failed because "'.$renderfilename.'" is not writable', __FILE__, __LINE__);
return false;
}
if ($this->RenderOutput()) {
if (file_put_contents($renderfilename, $this->outputImageData)) {
$this->DebugMessage('RenderToFile('.$renderfilename.') succeeded', __FILE__, __LINE__);
return true;
}
if (!@file_exists($renderfilename)) {
$this->DebugMessage('RenderOutput ['.$this->thumbnailFormat.'('.$renderfilename.')] did not appear to fail, but the output image does not exist either...', __FILE__, __LINE__);
}
} else {
$this->DebugMessage('RenderOutput ['.$this->thumbnailFormat.'('.$renderfilename.')] failed', __FILE__, __LINE__);
}
return false;
}
// public:
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;
}
// public:
function CleanUpCacheDirectory() {
$this->DebugMessage('CleanUpCacheDirectory() set to purge ('.(is_null($this->config_cache_maxage) ? 'NULL' : number_format($this->config_cache_maxage / 86400, 1)).' days; '.(is_null($this->config_cache_maxsize) ? 'NULL' : number_format($this->config_cache_maxsize / 1048576, 2)).' MB; '.(is_null($this->config_cache_maxfiles) ? 'NULL' : number_format($this->config_cache_maxfiles)).' files)', __FILE__, __LINE__);
if (!is_writable($this->config_cache_directory)) {
$this->DebugMessage('CleanUpCacheDirectory() skipped because "'.$this->config_cache_directory.'" is not writable', __FILE__, __LINE__);
return true;
}
// cache status of cache directory for 1 hour to avoid hammering the filesystem functions
$phpThumbCacheStats_filename = $this->config_cache_directory.DIRECTORY_SEPARATOR.'phpThumbCacheStats.txt';
if (file_exists($phpThumbCacheStats_filename) && is_readable($phpThumbCacheStats_filename) && (filemtime($phpThumbCacheStats_filename) >= (time() - 3600))) {
$this->DebugMessage('CleanUpCacheDirectory() skipped because "'.$phpThumbCacheStats_filename.'" is recently modified', __FILE__, __LINE__);
return true;
}
touch($phpThumbCacheStats_filename);
$DeletedKeys = array();
$AllFilesInCacheDirectory = array();
if (($this->config_cache_maxage > 0) || ($this->config_cache_maxsize > 0) || ($this->config_cache_maxfiles > 0)) {
$CacheDirOldFilesAge = array();
$CacheDirOldFilesSize = array();
$AllFilesInCacheDirectory = phpthumb_functions::GetAllFilesInSubfolders($this->config_cache_directory);
foreach ($AllFilesInCacheDirectory as $fullfilename) {
if (preg_match('#^'.preg_quote($this->config_cache_prefix).'#i', $fullfilename) && file_exists($fullfilename)) {
$CacheDirOldFilesAge[$fullfilename] = @fileatime($fullfilename);
if ($CacheDirOldFilesAge[$fullfilename] == 0) {
$CacheDirOldFilesAge[$fullfilename] = @filemtime($fullfilename);
}
$CacheDirOldFilesSize[$fullfilename] = @filesize($fullfilename);
}
}
if (empty($CacheDirOldFilesSize)) {
return true;
}
$DeletedKeys['zerobyte'] = array();
foreach ($CacheDirOldFilesSize as $fullfilename => $filesize) {
// purge all zero-size files more than an hour old (to prevent trying to delete just-created and/or in-use files)
$cutofftime = time() - 3600;
if (($filesize == 0) && ($CacheDirOldFilesAge[$fullfilename] < $cutofftime)) {
$this->DebugMessage('deleting "'.$fullfilename.'"', __FILE__, __LINE__);
if (@unlink($fullfilename)) {
$DeletedKeys['zerobyte'][] = $fullfilename;
unset($CacheDirOldFilesSize[$fullfilename]);
unset($CacheDirOldFilesAge[$fullfilename]);
}
}
}
$this->DebugMessage('CleanUpCacheDirectory() purged '.count($DeletedKeys['zerobyte']).' zero-byte files', __FILE__, __LINE__);
asort($CacheDirOldFilesAge);
if ($this->config_cache_maxfiles > 0) {
$TotalCachedFiles = count($CacheDirOldFilesAge);
$DeletedKeys['maxfiles'] = array();
foreach ($CacheDirOldFilesAge as $fullfilename => $filedate) {
if ($TotalCachedFiles > $this->config_cache_maxfiles) {
$this->DebugMessage('deleting "'.$fullfilename.'"', __FILE__, __LINE__);
if (@unlink($fullfilename)) {
$TotalCachedFiles--;
$DeletedKeys['maxfiles'][] = $fullfilename;
}
} else {
// there are few enough files to keep the rest
break;
}
}
$this->DebugMessage('CleanUpCacheDirectory() purged '.count($DeletedKeys['maxfiles']).' files based on (config_cache_maxfiles='.$this->config_cache_maxfiles.')', __FILE__, __LINE__);
foreach ($DeletedKeys['maxfiles'] as $fullfilename) {
unset($CacheDirOldFilesAge[$fullfilename]);
unset($CacheDirOldFilesSize[$fullfilename]);
}
}
if ($this->config_cache_maxage > 0) {
$mindate = time() - $this->config_cache_maxage;
$DeletedKeys['maxage'] = array();
foreach ($CacheDirOldFilesAge as $fullfilename => $filedate) {
if ($filedate > 0) {
if ($filedate < $mindate) {
$this->DebugMessage('deleting "'.$fullfilename.'"', __FILE__, __LINE__);
if (@unlink($fullfilename)) {
$DeletedKeys['maxage'][] = $fullfilename;
}
} else {
// the rest of the files are new enough to keep
break;
}
}
}
$this->DebugMessage('CleanUpCacheDirectory() purged '.count($DeletedKeys['maxage']).' files based on (config_cache_maxage='.$this->config_cache_maxage.')', __FILE__, __LINE__);
foreach ($DeletedKeys['maxage'] as $fullfilename) {
unset($CacheDirOldFilesAge[$fullfilename]);
unset($CacheDirOldFilesSize[$fullfilename]);
}
}
if ($this->config_cache_maxsize > 0) {
$TotalCachedFileSize = array_sum($CacheDirOldFilesSize);
$DeletedKeys['maxsize'] = array();
foreach ($CacheDirOldFilesAge as $fullfilename => $filedate) {
if ($TotalCachedFileSize > $this->config_cache_maxsize) {
$this->DebugMessage('deleting "'.$fullfilename.'"', __FILE__, __LINE__);
if (@unlink($fullfilename)) {
$TotalCachedFileSize -= $CacheDirOldFilesSize[$fullfilename];
$DeletedKeys['maxsize'][] = $fullfilename;
}
} else {
// the total filesizes are small enough to keep the rest of the files
break;
}
}
$this->DebugMessage('CleanUpCacheDirectory() purged '.count($DeletedKeys['maxsize']).' files based on (config_cache_maxsize='.$this->config_cache_maxsize.')', __FILE__, __LINE__);
foreach ($DeletedKeys['maxsize'] as $fullfilename) {
unset($CacheDirOldFilesAge[$fullfilename]);
unset($CacheDirOldFilesSize[$fullfilename]);
}
}
} else {
$this->DebugMessage('skipping CleanUpCacheDirectory() because config set to not use it', __FILE__, __LINE__);
}
$totalpurged = 0;
foreach ($DeletedKeys as $key => $value) {
$totalpurged += count($value);
}
$this->DebugMessage('CleanUpCacheDirectory() purged '.$totalpurged.' files (from '.count($AllFilesInCacheDirectory).') based on config settings', __FILE__, __LINE__);
if ($totalpurged > 0) {
$empty_dirs = array();
foreach ($AllFilesInCacheDirectory as $fullfilename) {
if (is_dir($fullfilename)) {
$empty_dirs[realpath($fullfilename)] = 1;
} else {
unset($empty_dirs[realpath(dirname($fullfilename))]);
}
}
krsort($empty_dirs);
$totalpurgeddirs = 0;
foreach ($empty_dirs as $empty_dir => $dummy) {
if ($empty_dir == $this->config_cache_directory) {
// shouldn't happen, but just in case, don't let it delete actual cache directory
continue;
} elseif (@rmdir($empty_dir)) {
$totalpurgeddirs++;
} else {
$this->DebugMessage('failed to rmdir('.$empty_dir.')', __FILE__, __LINE__);
}
}
$this->DebugMessage('purged '.$totalpurgeddirs.' empty directories', __FILE__, __LINE__);
}
return true;
}
//////////////////////////////////////////////////////////////////////
// private: re-initializator (call between rendering multiple images with one object)
function resetObject() {
$class_vars = get_class_vars(get_class($this));
foreach ($class_vars as $key => $value) {
// do not clobber debug or config info
if (!preg_match('#^(config_|debug|fatalerror)#i', $key)) {
$this->$key = $value;
}
}
$this->phpThumb(); // re-initialize some class variables
return true;
}
//////////////////////////////////////////////////////////////////////
function ResolveSource() {
if (is_resource($this->gdimg_source)) {
$this->DebugMessage('ResolveSource() exiting because is_resource($this->gdimg_source)', __FILE__, __LINE__);
return true;
}
if ($this->rawImageData) {
$this->sourceFilename = null;
$this->DebugMessage('ResolveSource() exiting because $this->rawImageData is set ('.number_format(strlen($this->rawImageData)).' bytes)', __FILE__, __LINE__);
return true;
}
if ($this->sourceFilename) {
$this->sourceFilename = $this->ResolveFilenameToAbsolute($this->sourceFilename);
$this->DebugMessage('$this->sourceFilename set to "'.$this->sourceFilename.'"', __FILE__, __LINE__);
} elseif ($this->src) {
$this->sourceFilename = $this->ResolveFilenameToAbsolute($this->src);
$this->DebugMessage('$this->sourceFilename set to "'.$this->sourceFilename.'" from $this->src ('.$this->src.')', __FILE__, __LINE__);
} else {
return $this->ErrorImage('$this->sourceFilename and $this->src are both empty');
}
if ($this->iswindows && ((substr($this->sourceFilename, 0, 2) == '//') || (substr($this->sourceFilename, 0, 2) == '\\\\'))) {
// Windows \\share\filename.ext
} elseif (preg_match('#^(f|ht)tps?\://#i', $this->sourceFilename)) {
// URL
if ($this->config_http_user_agent) {
ini_set('user_agent', $this->config_http_user_agent);
}
} elseif (!@file_exists($this->sourceFilename)) {
return $this->ErrorImage('"'.$this->sourceFilename.'" does not exist');
} elseif (!@is_file($this->sourceFilename)) {
return $this->ErrorImage('"'.$this->sourceFilename.'" is not a file');
}
return true;
}
function setOutputFormat() {
static $alreadyCalled = false;
if ($this->thumbnailFormat && $alreadyCalled) {
return true;
}
$alreadyCalled = true;
$AvailableImageOutputFormats = array();
$AvailableImageOutputFormats[] = 'text';
if (@is_readable(dirname(__FILE__).'/phpthumb.ico.php')) {
$AvailableImageOutputFormats[] = 'ico';
}
if (@is_readable(dirname(__FILE__).'/phpthumb.bmp.php')) {
$AvailableImageOutputFormats[] = 'bmp';
}
$this->thumbnailFormat = 'ico';
// Set default output format based on what image types are available
if (function_exists('ImageTypes')) {
$imagetypes = ImageTypes();
if ($imagetypes & IMG_WBMP) {
$this->thumbnailFormat = 'wbmp';
$AvailableImageOutputFormats[] = 'wbmp';
}
if ($imagetypes & IMG_GIF) {
$this->thumbnailFormat = 'gif';
$AvailableImageOutputFormats[] = 'gif';
}
if ($imagetypes & IMG_PNG) {
$this->thumbnailFormat = 'png';
$AvailableImageOutputFormats[] = 'png';
}
if ($imagetypes & IMG_JPG) {
$this->thumbnailFormat = 'jpeg';
$AvailableImageOutputFormats[] = 'jpeg';
}
} else {
//return $this->ErrorImage('ImageTypes() does not exist - GD support might not be enabled?');
$this->DebugMessage('ImageTypes() does not exist - GD support might not be enabled?', __FILE__, __LINE__);
}
if ($this->ImageMagickVersion()) {
$IMformats = array('jpeg', 'png', 'gif', 'bmp', 'ico', 'wbmp');
$this->DebugMessage('Addding ImageMagick formats to $AvailableImageOutputFormats ('.implode(';', $AvailableImageOutputFormats).')', __FILE__, __LINE__);
foreach ($IMformats as $key => $format) {
$AvailableImageOutputFormats[] = $format;
}
}
$AvailableImageOutputFormats = array_unique($AvailableImageOutputFormats);
$this->DebugMessage('$AvailableImageOutputFormats = array('.implode(';', $AvailableImageOutputFormats).')', __FILE__, __LINE__);
$this->f = preg_replace('#[^a-z]#', '', strtolower($this->f));
if (strtolower($this->config_output_format) == 'jpg') {
$this->config_output_format = 'jpeg';
}
if (strtolower($this->f) == 'jpg') {
$this->f = 'jpeg';
}
if (phpthumb_functions::CaseInsensitiveInArray($this->config_output_format, $AvailableImageOutputFormats)) {
// set output format to config default if that format is available
$this->DebugMessage('$this->thumbnailFormat set to $this->config_output_format "'.strtolower($this->config_output_format).'"', __FILE__, __LINE__);
$this->thumbnailFormat = strtolower($this->config_output_format);
} elseif ($this->config_output_format) {
$this->DebugMessage('$this->thumbnailFormat staying as "'.$this->thumbnailFormat.'" because $this->config_output_format ('.strtolower($this->config_output_format).') is not in $AvailableImageOutputFormats', __FILE__, __LINE__);
}
if ($this->f && (phpthumb_functions::CaseInsensitiveInArray($this->f, $AvailableImageOutputFormats))) {
// override output format if $this->f is set and that format is available
$this->DebugMessage('$this->thumbnailFormat set to $this->f "'.strtolower($this->f).'"', __FILE__, __LINE__);
$this->thumbnailFormat = strtolower($this->f);
} elseif ($this->f) {
$this->DebugMessage('$this->thumbnailFormat staying as "'.$this->thumbnailFormat.'" because $this->f ('.strtolower($this->f).') is not in $AvailableImageOutputFormats', __FILE__, __LINE__);
}
// for JPEG images, quality 1 (worst) to 99 (best)
// quality < 25 is nasty, with not much size savings - not recommended
// problems with 100 - invalid JPEG?
$this->thumbnailQuality = max(1, min(99, ($this->q ? intval($this->q) : 75)));
$this->DebugMessage('$this->thumbnailQuality set to "'.$this->thumbnailQuality.'"', __FILE__, __LINE__);
return true;
}
function setCacheDirectory() {
// resolve cache directory to absolute pathname
$this->DebugMessage('setCacheDirectory() starting with config_cache_directory = "'.$this->config_cache_directory.'"', __FILE__, __LINE__);
if (substr($this->config_cache_directory, 0, 1) == '.') {
if (preg_match('#^(f|ht)tps?\://#i', $this->src)) {
if (!$this->config_cache_disable_warning) {
$this->ErrorImage('$this->config_cache_directory ('.$this->config_cache_directory.') cannot be used for remote images. Adjust "cache_directory" or "cache_disable_warning" in phpThumb.config.php');
}
} elseif ($this->src) {
// resolve relative cache directory to source image
$this->config_cache_directory = dirname($this->ResolveFilenameToAbsolute($this->src)).DIRECTORY_SEPARATOR.$this->config_cache_directory;
} else {
// $this->new is probably set
}
}
if (substr($this->config_cache_directory, -1) == '/') {
$this->config_cache_directory = substr($this->config_cache_directory, 0, -1);
}
if ($this->iswindows) {
$this->config_cache_directory = str_replace('/', DIRECTORY_SEPARATOR, $this->config_cache_directory);
}
if ($this->config_cache_directory) {
$real_cache_path = realpath($this->config_cache_directory);
if (!$real_cache_path) {
$this->DebugMessage('realpath($this->config_cache_directory) failed for "'.$this->config_cache_directory.'"', __FILE__, __LINE__);
if (!is_dir($this->config_cache_directory)) {
$this->DebugMessage('!is_dir('.$this->config_cache_directory.')', __FILE__, __LINE__);
}
}
if ($real_cache_path) {
$this->DebugMessage('setting config_cache_directory to realpath('.$this->config_cache_directory.') = "'.$real_cache_path.'"', __FILE__, __LINE__);
$this->config_cache_directory = $real_cache_path;
}
}
if (!is_dir($this->config_cache_directory)) {
if (!$this->config_cache_disable_warning) {
$this->ErrorImage('$this->config_cache_directory ('.$this->config_cache_directory.') does not exist. Adjust "cache_directory" or "cache_disable_warning" in phpThumb.config.php');
}
$this->DebugMessage('$this->config_cache_directory ('.$this->config_cache_directory.') is not a directory', __FILE__, __LINE__);
$this->config_cache_directory = null;
} elseif (!@is_writable($this->config_cache_directory)) {
$this->DebugMessage('$this->config_cache_directory is not writable ('.$this->config_cache_directory.')', __FILE__, __LINE__);
}
$this->InitializeTempDirSetting();