/thumb/phpThumb.php
PHP | 620 lines | 470 code | 72 blank | 78 comment | 144 complexity | 7544372feee61a17b8ffff22978d4fa3 MD5 | raw file
- <?php
- //////////////////////////////////////////////////////////////
- /// phpThumb() by James Heinrich <info@silisoftware.com> //
- // available at http://phpthumb.sourceforge.net ///
- //////////////////////////////////////////////////////////////
- /// //
- // See: phpthumb.changelog.txt for recent changes //
- // See: phpthumb.readme.txt for usage instructions //
- // ///
- //////////////////////////////////////////////////////////////
- error_reporting(0);
- ini_set('display_errors', '0');
- ini_set('magic_quotes_runtime', '0');
- if (@ini_get('magic_quotes_runtime')) {
- die('"magic_quotes_runtime" is set in php.ini, cannot run phpThumb with this enabled');
- }
- $starttime = array_sum(explode(' ', microtime()));
- // this script relies on the superglobal arrays, fake it here for old PHP versions
- if (phpversion() < '4.1.0') {
- $_SERVER = $HTTP_SERVER_VARS;
- $_GET = $HTTP_GET_VARS;
- }
- // instantiate a new phpThumb() object
- ob_start();
- if (!include_once(dirname(__FILE__).'/phpthumb.class.php')) {
- ob_end_flush();
- die('failed to include_once("'.realpath(dirname(__FILE__).'/phpthumb.class.php').'")');
- }
- ob_end_clean();
- $phpThumb = new phpThumb();
- $phpThumb->DebugTimingMessage('phpThumb.php start', __FILE__, __LINE__, $starttime);
- $phpThumb->SetParameter('config_error_die_on_error', true);
- if (!phpthumb_functions::FunctionIsDisabled('set_time_limit')) {
- set_time_limit(60); // shouldn't take nearly this long in most cases, but with many filters and/or a slow server...
- }
- // phpThumbDebug[0] used to be here, but may reveal too much
- // info when high_security_mode should be enabled (not set yet)
- if (file_exists(dirname(__FILE__).'/phpThumb.config.php')) {
- ob_start();
- if (include_once(dirname(__FILE__).'/phpThumb.config.php')) {
- // great
- } else {
- ob_end_flush();
- $phpThumb->ErrorImage('failed to include_once('.dirname(__FILE__).'/phpThumb.config.php) - realpath="'.realpath(dirname(__FILE__).'/phpThumb.config.php').'"');
- }
- ob_end_clean();
- } elseif (file_exists(dirname(__FILE__).'/phpThumb.config.php.default')) {
- $phpThumb->ErrorImage('Please rename "phpThumb.config.php.default" to "phpThumb.config.php"');
- } else {
- $phpThumb->ErrorImage('failed to include_once('.dirname(__FILE__).'/phpThumb.config.php) - realpath="'.realpath(dirname(__FILE__).'/phpThumb.config.php').'"');
- }
- if (!@$PHPTHUMB_CONFIG['disable_pathinfo_parsing'] && (empty($_GET) || isset($_GET['phpThumbDebug'])) && !empty($_SERVER['PATH_INFO'])) {
- $_SERVER['PHP_SELF'] = str_replace($_SERVER['PATH_INFO'], '', @$_SERVER['PHP_SELF']);
- $args = explode(';', substr($_SERVER['PATH_INFO'], 1));
- $phpThumb->DebugMessage('PATH_INFO.$args set to ('.implode(')(', $args).')', __FILE__, __LINE__);
- if (!empty($args)) {
- $_GET['src'] = @$args[count($args) - 1];
- $phpThumb->DebugMessage('PATH_INFO."src" = "'.$_GET['src'].'"', __FILE__, __LINE__);
- if (eregi('^new\=([a-z0-9]+)', $_GET['src'], $matches)) {
- unset($_GET['src']);
- $_GET['new'] = $matches[1];
- }
- }
- if (eregi('^([0-9]*)x?([0-9]*)$', @$args[count($args) - 2], $matches)) {
- $_GET['w'] = $matches[1];
- $_GET['h'] = $matches[2];
- $phpThumb->DebugMessage('PATH_INFO."w"x"h" set to "'.$_GET['w'].'"x"'.$_GET['h'].'"', __FILE__, __LINE__);
- }
- for ($i = 0; $i < count($args) - 2; $i++) {
- @list($key, $value) = explode('=', @$args[$i]);
- if (substr($key, -2) == '[]') {
- $array_key_name = substr($key, 0, -2);
- $_GET[$array_key_name][] = $value;
- $phpThumb->DebugMessage('PATH_INFO."'.$array_key_name.'[]" = "'.$value.'"', __FILE__, __LINE__);
- } else {
- $_GET[$key] = $value;
- $phpThumb->DebugMessage('PATH_INFO."'.$key.'" = "'.$value.'"', __FILE__, __LINE__);
- }
- }
- }
- if (@$PHPTHUMB_CONFIG['high_security_enabled']) {
- if (!@$_GET['hash']) {
- $phpThumb->ErrorImage('ERROR: missing hash');
- } elseif (strlen($PHPTHUMB_CONFIG['high_security_password']) < 5) {
- $phpThumb->ErrorImage('ERROR: strlen($PHPTHUMB_CONFIG[high_security_password]) < 5');
- } elseif ($_GET['hash'] != md5(str_replace('&hash='.$_GET['hash'], '', $_SERVER['QUERY_STRING']).$PHPTHUMB_CONFIG['high_security_password'])) {
- $phpThumb->ErrorImage('ERROR: invalid hash');
- }
- }
- ////////////////////////////////////////////////////////////////
- // Debug output, to try and help me diagnose problems
- $phpThumb->DebugTimingMessage('phpThumbDebug[0]', __FILE__, __LINE__);
- if (isset($_GET['phpThumbDebug']) && $_GET['phpThumbDebug'] == '0') {
- $phpThumb->phpThumbDebug();
- }
- ////////////////////////////////////////////////////////////////
- // returned the fixed string if the evil "magic_quotes_gpc" setting is on
- if (get_magic_quotes_gpc()) {
- // deprecated: 'err', 'file', 'goto',
- $RequestVarsToStripSlashes = array('src', 'wmf', 'down');
- foreach ($RequestVarsToStripSlashes as $key) {
- if (isset($_GET[$key])) {
- if (is_string($_GET[$key])) {
- $_GET[$key] = stripslashes($_GET[$key]);
- } else {
- unset($_GET[$key]);
- }
- }
- }
- }
- if (!isset($_SERVER['PATH_INFO']) && !isset($_SERVER['QUERY_STRING'])) {
- $phpThumb->ErrorImage('phpThumb() v'.$phpThumb->phpthumb_version.'<br><a href="http://phpthumb.sourceforge.net">http://phpthumb.sourceforge.net</a><br><br>ERROR: no parameters specified');
- }
- if (@$_GET['src'] && isset($_GET['md5s']) && empty($_GET['md5s'])) {
- if (eregi('^(f|ht)tps?://', $_GET['src'])) {
- if ($rawImageData = phpthumb_functions::SafeURLread($_GET['src'], $error, $phpThumb->config_http_fopen_timeout, $phpThumb->config_http_follow_redirect)) {
- $md5s = md5($rawImageData);
- }
- } else {
- $SourceFilename = $phpThumb->ResolveFilenameToAbsolute($_GET['src']);
- if (is_readable($SourceFilename)) {
- $md5s = phpthumb_functions::md5_file_safe($SourceFilename);
- } else {
- $phpThumb->ErrorImage('ERROR: "'.$SourceFilename.'" cannot be read');
- }
- }
- if (@$_SERVER['HTTP_REFERER']) {
- $phpThumb->ErrorImage('&md5s='.$md5s);
- } else {
- die('&md5s='.$md5s);
- }
- }
- if (!empty($PHPTHUMB_CONFIG)) {
- foreach ($PHPTHUMB_CONFIG as $key => $value) {
- $keyname = 'config_'.$key;
- $phpThumb->setParameter($keyname, $value);
- if (!eregi('password', $key)) {
- $phpThumb->DebugMessage('setParameter('.$keyname.', '.$phpThumb->phpThumbDebugVarDump($value).')', __FILE__, __LINE__);
- }
- }
- } else {
- $phpThumb->DebugMessage('$PHPTHUMB_CONFIG is empty', __FILE__, __LINE__);
- }
- if (@$_GET['src'] && !@$PHPTHUMB_CONFIG['allow_local_http_src'] && eregi('^http://'.@$_SERVER['HTTP_HOST'].'(.+)', @$_GET['src'], $matches)) {
- $phpThumb->ErrorImage('It is MUCH better to specify the "src" parameter as "'.$matches[1].'" instead of "'.$matches[0].'".'."\n\n".'If you really must do it this way, enable "allow_local_http_src" in phpThumb.config.php');
- }
- ////////////////////////////////////////////////////////////////
- // Debug output, to try and help me diagnose problems
- $phpThumb->DebugTimingMessage('phpThumbDebug[1]', __FILE__, __LINE__);
- if (@$_GET['phpThumbDebug'] == '1') {
- $phpThumb->phpThumbDebug();
- }
- ////////////////////////////////////////////////////////////////
- $parsed_url_referer = phpthumb_functions::ParseURLbetter(@$_SERVER['HTTP_REFERER']);
- if ($phpThumb->config_nooffsitelink_require_refer && !in_array(@$parsed_url_referer['host'], $phpThumb->config_nohotlink_valid_domains)) {
- $phpThumb->ErrorImage('config_nooffsitelink_require_refer enabled and '.(@$parsed_url_referer['host'] ? '"'.$parsed_url_referer['host'].'" is not an allowed referer' : 'no HTTP_REFERER exists'));
- }
- $parsed_url_src = phpthumb_functions::ParseURLbetter(@$_GET['src']);
- if ($phpThumb->config_nohotlink_enabled && $phpThumb->config_nohotlink_erase_image && eregi('^(f|ht)tps?://', @$_GET['src']) && !in_array(@$parsed_url_src['host'], $phpThumb->config_nohotlink_valid_domains)) {
- $phpThumb->ErrorImage($phpThumb->config_nohotlink_text_message);
- }
- if ($phpThumb->config_mysql_query) {
- if ($cid = @mysql_connect($phpThumb->config_mysql_hostname, $phpThumb->config_mysql_username, $phpThumb->config_mysql_password)) {
- if (@mysql_select_db($phpThumb->config_mysql_database, $cid)) {
- if ($result = @mysql_query($phpThumb->config_mysql_query, $cid)) {
- if ($row = @mysql_fetch_array($result)) {
- mysql_free_result($result);
- mysql_close($cid);
- $phpThumb->setSourceData($row[0]);
- unset($row);
- } else {
- mysql_free_result($result);
- mysql_close($cid);
- $phpThumb->ErrorImage('no matching data in database.');
- }
- } else {
- mysql_close($cid);
- $phpThumb->ErrorImage('Error in MySQL query: "'.mysql_error($cid).'"');
- }
- } else {
- mysql_close($cid);
- $phpThumb->ErrorImage('cannot select MySQL database: "'.mysql_error($cid).'"');
- }
- } else {
- $phpThumb->ErrorImage('cannot connect to MySQL server');
- }
- unset($_GET['id']);
- }
- ////////////////////////////////////////////////////////////////
- // Debug output, to try and help me diagnose problems
- $phpThumb->DebugTimingMessage('phpThumbDebug[2]', __FILE__, __LINE__);
- if (@$_GET['phpThumbDebug'] == '2') {
- $phpThumb->phpThumbDebug();
- }
- ////////////////////////////////////////////////////////////////
- $PHPTHUMB_DEFAULTS_DISABLEGETPARAMS = (bool) (@$PHPTHUMB_CONFIG['cache_default_only_suffix'] && (strpos($PHPTHUMB_CONFIG['cache_default_only_suffix'], '*') !== false));
- if (!empty($PHPTHUMB_DEFAULTS) && is_array($PHPTHUMB_DEFAULTS)) {
- $phpThumb->DebugMessage('setting $PHPTHUMB_DEFAULTS['.implode(';', array_keys($PHPTHUMB_DEFAULTS)).']', __FILE__, __LINE__);
- foreach ($PHPTHUMB_DEFAULTS as $key => $value) {
- if ($PHPTHUMB_DEFAULTS_GETSTRINGOVERRIDE || !isset($_GET[$key])) {
- $_GET[$key] = $value;
- $phpThumb->DebugMessage('PHPTHUMB_DEFAULTS assigning ('.$value.') to $_GET['.$key.']', __FILE__, __LINE__);
- }
- }
- }
- // deprecated: 'err', 'file', 'goto',
- $allowedGETparameters = array('src', 'new', 'w', 'h', 'wp', 'hp', 'wl', 'hl', 'ws', 'hs', 'f', 'q', 'sx', 'sy', 'sw', 'sh', 'zc', 'bc', 'bg', 'bgt', 'fltr', 'xto', 'ra', 'ar', 'aoe', 'far', 'iar', 'maxb', 'down', 'phpThumbDebug', 'hash', 'md5s', 'sfn', 'dpi', 'sia', 'nocache');
- foreach ($_GET as $key => $value) {
- if (@$PHPTHUMB_DEFAULTS_DISABLEGETPARAMS && ($key != 'src')) {
- // disabled, do not set parameter
- $phpThumb->DebugMessage('ignoring $_GET['.$key.'] because of $PHPTHUMB_DEFAULTS_DISABLEGETPARAMS', __FILE__, __LINE__);
- } elseif (in_array($key, $allowedGETparameters)) {
- $phpThumb->DebugMessage('setParameter('.$key.', '.$phpThumb->phpThumbDebugVarDump($value).')', __FILE__, __LINE__);
- $phpThumb->setParameter($key, $value);
- } else {
- $phpThumb->ErrorImage('Forbidden parameter: '.$key);
- }
- }
- ////////////////////////////////////////////////////////////////
- // Debug output, to try and help me diagnose problems
- $phpThumb->DebugTimingMessage('phpThumbDebug[3]', __FILE__, __LINE__);
- if (@$_GET['phpThumbDebug'] == '3') {
- $phpThumb->phpThumbDebug();
- }
- ////////////////////////////////////////////////////////////////
- //if (!@$_GET['phpThumbDebug'] && !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;
- //}
- // check to see if file can be output from source with no processing or caching
- $CanPassThroughDirectly = true;
- if ($phpThumb->rawImageData) {
- // data from SQL, should be fine
- } elseif (eregi('^http\://.+\.(jpe?g|gif|png)$', $phpThumb->src)) {
- // assume is ok if no other parameters specified
- } elseif (!@is_file($phpThumb->sourceFilename)) {
- $phpThumb->DebugMessage('$CanPassThroughDirectly=false because !@is_file('.$phpThumb->sourceFilename.')', __FILE__, __LINE__);
- $CanPassThroughDirectly = false;
- } elseif (!@is_readable($phpThumb->sourceFilename)) {
- $phpThumb->DebugMessage('$CanPassThroughDirectly=false because !@is_readable('.$phpThumb->sourceFilename.')', __FILE__, __LINE__);
- $CanPassThroughDirectly = false;
- }
- foreach ($_GET as $key => $value) {
- switch ($key) {
- case 'src':
- // allowed
- break;
- case 'w':
- case 'h':
- // might be OK if exactly matches original
- if (eregi('^http\://.+\.(jpe?g|gif|png)$', $phpThumb->src)) {
- // assume it is not ok for direct-passthru of remote image
- $CanPassThroughDirectly = false;
- }
- break;
- case 'phpThumbDebug':
- // handled in direct-passthru code
- break;
- default:
- // all other parameters will cause some processing,
- // therefore cannot pass through original image unmodified
- $CanPassThroughDirectly = false;
- $UnAllowedGET[] = $key;
- break;
- }
- }
- if (!empty($UnAllowedGET)) {
- $phpThumb->DebugMessage('$CanPassThroughDirectly=false because $_GET['.implode(';', array_unique($UnAllowedGET)).'] are set', __FILE__, __LINE__);
- }
- ////////////////////////////////////////////////////////////////
- // Debug output, to try and help me diagnose problems
- $phpThumb->DebugTimingMessage('phpThumbDebug[4]', __FILE__, __LINE__);
- if (@$_GET['phpThumbDebug'] == '4') {
- $phpThumb->phpThumbDebug();
- }
- ////////////////////////////////////////////////////////////////
- function SendSaveAsFileHeaderIfNeeded() {
- if (headers_sent()) {
- return false;
- }
- global $phpThumb;
- $downloadfilename = phpthumb_functions::SanitizeFilename(@$_GET['sia'] ? $_GET['sia'] : (@$_GET['down'] ? $_GET['down'] : 'phpThumb_generated_thumbnail'.(@$_GET['f'] ? $_GET['f'] : 'jpg')));
- if (@$downloadfilename) {
- $phpThumb->DebugMessage('SendSaveAsFileHeaderIfNeeded() sending header: Content-Disposition: '.(@$_GET['down'] ? 'attachment' : 'inline').'; filename="'.$downloadfilename.'"', __FILE__, __LINE__);
- header('Content-Disposition: '.(@$_GET['down'] ? 'attachment' : 'inline').'; filename="'.$downloadfilename.'"');
- }
- return true;
- }
- $phpThumb->DebugMessage('$CanPassThroughDirectly="'.intval($CanPassThroughDirectly).'" && $phpThumb->src="'.$phpThumb->src.'"', __FILE__, __LINE__);
- while ($CanPassThroughDirectly && $phpThumb->src) {
- // no parameters set, passthru
- if (eregi('^http\://.+\.(jpe?g|gif|png)$', $phpThumb->src)) {
- $phpThumb->DebugMessage('Passing HTTP source through directly as Location: redirect ('.$phpThumb->src.')', __FILE__, __LINE__);
- header('Location: '.$phpThumb->src);
- exit;
- }
- $SourceFilename = $phpThumb->ResolveFilenameToAbsolute($phpThumb->src);
- // security and size checks
- if ($phpThumb->getimagesizeinfo = @GetImageSize($SourceFilename)) {
- $phpThumb->DebugMessage('Direct passthru GetImageSize() returned [w='.$phpThumb->getimagesizeinfo[0].';h='.$phpThumb->getimagesizeinfo[1].';t='.$phpThumb->getimagesizeinfo[2].']', __FILE__, __LINE__);
- if (!@$_GET['w'] && !@$_GET['wp'] && !@$_GET['wl'] && !@$_GET['ws'] && !@$_GET['h'] && !@$_GET['hp'] && !@$_GET['hl'] && !@$_GET['hs']) {
- // no resizing needed
- $phpThumb->DebugMessage('Passing "'.$SourceFilename.'" through directly, no resizing required ("'.$phpThumb->getimagesizeinfo[0].'"x"'.$phpThumb->getimagesizeinfo[1].'")', __FILE__, __LINE__);
- } elseif (($phpThumb->getimagesizeinfo[0] <= @$_GET['w']) && ($phpThumb->getimagesizeinfo[1] <= @$_GET['h']) && ((@$_GET['w'] == $phpThumb->getimagesizeinfo[0]) || (@$_GET['h'] == $phpThumb->getimagesizeinfo[1]))) {
- // image fits into 'w'x'h' box, and at least one dimension matches exactly, therefore no resizing needed
- $phpThumb->DebugMessage('Passing "'.$SourceFilename.'" through directly, no resizing required ("'.$phpThumb->getimagesizeinfo[0].'"x"'.$phpThumb->getimagesizeinfo[1].'" fits inside "'.@$_GET['w'].'"x"'.@$_GET['h'].'")', __FILE__, __LINE__);
- } else {
- $phpThumb->DebugMessage('Not passing "'.$SourceFilename.'" through directly because resizing required (from "'.$phpThumb->getimagesizeinfo[0].'"x"'.$phpThumb->getimagesizeinfo[1].'" to "'.@$_GET['w'].'"x"'.@$_GET['h'].'")', __FILE__, __LINE__);
- break;
- }
- switch ($phpThumb->getimagesizeinfo[2]) {
- case 1: // GIF
- case 2: // JPG
- case 3: // PNG
- // great, let it through
- break;
- default:
- // browser probably can't handle format, remangle it to JPEG/PNG/GIF
- $phpThumb->DebugMessage('Not passing "'.$SourceFilename.'" through directly because $phpThumb->getimagesizeinfo[2] = "'.$phpThumb->getimagesizeinfo[2].'"', __FILE__, __LINE__);
- break 2;
- }
- $ImageCreateFunctions = array(1=>'ImageCreateFromGIF', 2=>'ImageCreateFromJPEG', 3=>'ImageCreateFromPNG');
- $theImageCreateFunction = @$ImageCreateFunctions[$phpThumb->getimagesizeinfo[2]];
- if ($phpThumb->config_disable_onlycreateable_passthru || (function_exists($theImageCreateFunction) && ($dummyImage = @$theImageCreateFunction($SourceFilename)))) {
- // great
- if (@is_resource($dummyImage)) {
- unset($dummyImage);
- }
- if (headers_sent()) {
- $phpThumb->ErrorImage('Headers already sent ('.basename(__FILE__).' line '.__LINE__.')');
- exit;
- }
- if (@$_GET['phpThumbDebug']) {
- $phpThumb->DebugTimingMessage('skipped direct $SourceFilename passthru', __FILE__, __LINE__);
- $phpThumb->DebugMessage('Would have passed "'.$SourceFilename.'" through directly, but skipping due to phpThumbDebug', __FILE__, __LINE__);
- break;
- }
- SendSaveAsFileHeaderIfNeeded();
- header('Last-Modified: '.gmdate('D, d M Y H:i:s', @filemtime($SourceFilename)).' GMT');
- if ($contentType = phpthumb_functions::ImageTypeToMIMEtype(@$phpThumb->getimagesizeinfo[2])) {
- header('Content-Type: '.$contentType);
- }
- @readfile($SourceFilename);
- exit;
- } else {
- $phpThumb->DebugMessage('Not passing "'.$SourceFilename.'" through directly because ($phpThumb->config_disable_onlycreateable_passthru = "'.$phpThumb->config_disable_onlycreateable_passthru.'") and '.$theImageCreateFunction.'() failed', __FILE__, __LINE__);
- break;
- }
- } else {
- $phpThumb->DebugMessage('Not passing "'.$SourceFilename.'" through directly because GetImageSize() failed', __FILE__, __LINE__);
- break;
- }
- break;
- }
- ////////////////////////////////////////////////////////////////
- // Debug output, to try and help me diagnose problems
- $phpThumb->DebugTimingMessage('phpThumbDebug[5]', __FILE__, __LINE__);
- if (@$_GET['phpThumbDebug'] == '5') {
- $phpThumb->phpThumbDebug();
- }
- ////////////////////////////////////////////////////////////////
- function RedirectToCachedFile() {
- global $phpThumb, $PHPTHUMB_CONFIG;
- $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 ($phpThumb->config_nooffsitelink_enabled && @$_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 (ereg('^'.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('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;
- }
- if ($getimagesize = @GetImageSize($phpThumb->cache_filename)) {
- header('Content-Type: '.phpthumb_functions::ImageTypeToMIMEtype($getimagesize[2]));
- } elseif (eregi('\.ico$', $phpThumb->cache_filename)) {
- header('Content-Type: image/x-icon');
- }
- if (!@$PHPTHUMB_CONFIG['cache_force_passthru'] && ereg('^'.preg_quote($nice_docroot).'(.*)$', $nice_cachefile, $matches)) {
- header('Location: '.dirname($matches[1]).'/'.urlencode(basename($matches[1])));
- } else {
- @readfile($phpThumb->cache_filename);
- }
- exit;
- }
- return true;
- }
- // check to see if file already exists in cache, and output it with no processing if it does
- $phpThumb->SetCacheFilename();
- if (@is_file($phpThumb->cache_filename) && !@$_GET['nocache']) {
- RedirectToCachedFile();
- } else {
- $phpThumb->DebugMessage('Cached file "'.$phpThumb->cache_filename.'" does not exist, processing as normal', __FILE__, __LINE__);
- }
- ////////////////////////////////////////////////////////////////
- // Debug output, to try and help me diagnose problems
- $phpThumb->DebugTimingMessage('phpThumbDebug[6]', __FILE__, __LINE__);
- if (@$_GET['phpThumbDebug'] == '6') {
- $phpThumb->phpThumbDebug();
- }
- ////////////////////////////////////////////////////////////////
- if ($phpThumb->rawImageData) {
- // great
- } elseif (@$_GET['new']) {
- // generate a blank image resource of the specified size/background color/opacity
- if (($phpThumb->w <= 0) || ($phpThumb->h <= 0)) {
- $phpThumb->ErrorImage('"w" and "h" parameters required for "new"');
- }
- @list($bghexcolor, $opacity) = explode('|', $_GET['new']);
- if (!phpthumb_functions::IsHexColor($bghexcolor)) {
- $phpThumb->ErrorImage('BGcolor parameter for "new" is not valid');
- }
- $opacity = (strlen($opacity) ? $opacity : 100);
- if ($phpThumb->gdimg_source = phpthumb_functions::ImageCreateFunction($phpThumb->w, $phpThumb->h)) {
- $alpha = (100 - min(100, max(0, $opacity))) * 1.27;
- if ($alpha) {
- $phpThumb->setParameter('is_alpha', true);
- ImageAlphaBlending($phpThumb->gdimg_source, false);
- ImageSaveAlpha($phpThumb->gdimg_source, true);
- }
- $new_background_color = phpthumb_functions::ImageHexColorAllocate($phpThumb->gdimg_source, $bghexcolor, false, $alpha);
- ImageFilledRectangle($phpThumb->gdimg_source, 0, 0, $phpThumb->w, $phpThumb->h, $new_background_color);
- } else {
- $phpThumb->ErrorImage('failed to create "new" image ('.$phpThumb->w.'x'.$phpThumb->h.')');
- }
- } elseif (!$phpThumb->src) {
- $phpThumb->ErrorImage('Usage: '.$_SERVER['PHP_SELF'].'?src=/path/and/filename.jpg'."\n".'read Usage comments for details');
- } elseif (eregi('^(f|ht)tp\://', $phpThumb->src)) {
- $phpThumb->DebugMessage('$phpThumb->src ('.$phpThumb->src.') is remote image, attempting to download', __FILE__, __LINE__);
- if ($phpThumb->config_http_user_agent) {
- $phpThumb->DebugMessage('Setting "user_agent" to "'.$phpThumb->config_http_user_agent.'"', __FILE__, __LINE__);
- ini_set('user_agent', $phpThumb->config_http_user_agent);
- }
- $cleanedupurl = phpthumb_functions::CleanUpURLencoding($phpThumb->src);
- $phpThumb->DebugMessage('CleanUpURLencoding('.$phpThumb->src.') returned "'.$cleanedupurl.'"', __FILE__, __LINE__);
- $phpThumb->src = $cleanedupurl;
- unset($cleanedupurl);
- if ($rawImageData = phpthumb_functions::SafeURLread($phpThumb->src, $error, $phpThumb->config_http_fopen_timeout, $phpThumb->config_http_follow_redirect)) {
- $phpThumb->DebugMessage('SafeURLread('.$phpThumb->src.') succeeded'.($error ? ' with messsages: "'.$error.'"' : ''), __FILE__, __LINE__);
- $phpThumb->DebugMessage('Setting source data from URL "'.$phpThumb->src.'"', __FILE__, __LINE__);
- $phpThumb->setSourceData($rawImageData, urlencode($phpThumb->src));
- } else {
- $phpThumb->ErrorImage($error);
- }
- }
- ////////////////////////////////////////////////////////////////
- // Debug output, to try and help me diagnose problems
- $phpThumb->DebugTimingMessage('phpThumbDebug[7]', __FILE__, __LINE__);
- if (@$_GET['phpThumbDebug'] == '7') {
- $phpThumb->phpThumbDebug();
- }
- ////////////////////////////////////////////////////////////////
- $phpThumb->GenerateThumbnail();
- ////////////////////////////////////////////////////////////////
- // Debug output, to try and help me diagnose problems
- $phpThumb->DebugTimingMessage('phpThumbDebug[8]', __FILE__, __LINE__);
- if (@$_GET['phpThumbDebug'] == '8') {
- $phpThumb->phpThumbDebug();
- }
- ////////////////////////////////////////////////////////////////
- if ($phpThumb->config_allow_parameter_file && $phpThumb->file) {
- $phpThumb->RenderToFile($phpThumb->ResolveFilenameToAbsolute($phpThumb->file));
- if ($phpThumb->config_allow_parameter_goto && $phpThumb->goto && eregi('^(f|ht)tps?://', $phpThumb->goto)) {
- // redirect to another URL after image has been rendered to file
- header('Location: '.$phpThumb->goto);
- exit;
- }
- } elseif (@$PHPTHUMB_CONFIG['high_security_enabled'] && @$_GET['nocache']) {
- // cache disabled, don't write cachefile
- } else {
- phpthumb_functions::EnsureDirectoryExists(dirname($phpThumb->cache_filename));
- if ((file_exists($phpThumb->cache_filename) && is_writable($phpThumb->cache_filename)) || is_writable(dirname($phpThumb->cache_filename))) {
- // $phpThumb->CleanUpCacheDirectory();
- if ($phpThumb->RenderToFile($phpThumb->cache_filename) && is_readable($phpThumb->cache_filename)) {
- chmod($phpThumb->cache_filename, 0644);
- RedirectToCachedFile();
- } else {
- $phpThumb->DebugMessage('Failed: RenderToFile('.$phpThumb->cache_filename.')', __FILE__, __LINE__);
- }
- } else {
- $phpThumb->DebugMessage('Cannot write to $phpThumb->cache_filename ('.$phpThumb->cache_filename.') because that directory ('.dirname($phpThumb->cache_filename).') is not writable', __FILE__, __LINE__);
- }
- }
- ////////////////////////////////////////////////////////////////
- // Debug output, to try and help me diagnose problems
- $phpThumb->DebugTimingMessage('phpThumbDebug[9]', __FILE__, __LINE__);
- if (@$_GET['phpThumbDebug'] == '9') {
- $phpThumb->phpThumbDebug();
- }
- ////////////////////////////////////////////////////////////////
- if (!$phpThumb->OutputThumbnail()) {
- $phpThumb->ErrorImage('Error in OutputThumbnail():'."\n".$phpThumb->debugmessages[(count($phpThumb->debugmessages) - 1)]);
- }
- ////////////////////////////////////////////////////////////////
- // Debug output, to try and help me diagnose problems
- $phpThumb->DebugTimingMessage('phpThumbDebug[10]', __FILE__, __LINE__);
- if (@$_GET['phpThumbDebug'] == '10') {
- $phpThumb->phpThumbDebug();
- }
- ////////////////////////////////////////////////////////////////
- ?>