*/ /** * [CLASS/FUNCTION INDEX of SCRIPT] * * * * 113: class SC_t3lib_thumbs * 134: function init() * 164: function main() * * SECTION: OTHER FUNCTIONS: * 267: function errorGif($l1,$l2,$l3) * 319: function fontGif($font) * 366: function wrapFileName($inputName) * * TOTAL FUNCTIONS: 5 * (This index is automatically created/updated by the extension "extdeveval") * */ // ******************************* // Set error reporting // ******************************* error_reporting (E_ALL ^ E_NOTICE); // ****************** // Constants defined // ****************** define('TYPO3_OS', stristr(PHP_OS,'win')&&!stristr(PHP_OS,'darwin')?'WIN':''); define('TYPO3_MODE','BE'); if(!defined('PATH_thisScript')) define('PATH_thisScript',str_replace('//','/', str_replace('\\','/', (php_sapi_name()=='cgi'||php_sapi_name()=='isapi' ||php_sapi_name()=='cgi-fcgi')&&($_SERVER['ORIG_PATH_TRANSLATED']?$_SERVER['ORIG_PATH_TRANSLATED']:$_SERVER['PATH_TRANSLATED'])? ($_SERVER['ORIG_PATH_TRANSLATED']?$_SERVER['ORIG_PATH_TRANSLATED']:$_SERVER['PATH_TRANSLATED']):($_SERVER['ORIG_SCRIPT_FILENAME']?$_SERVER['ORIG_SCRIPT_FILENAME']:$_SERVER['SCRIPT_FILENAME'])))); if(!defined('PATH_site')) define('PATH_site', ereg_replace('[^/]*.[^/]*$','',PATH_thisScript)); // the path to the website folder (see init.php) if(!defined('PATH_t3lib')) define('PATH_t3lib', PATH_site.'t3lib/'); define('PATH_typo3conf', PATH_site.'typo3conf/'); define('TYPO3_mainDir', 'typo3/'); // This is the directory of the backend administration for the sites of this TYPO3 installation. define('PATH_typo3', PATH_site.TYPO3_mainDir); // ****************** // Including config // ****************** require_once(PATH_t3lib.'class.t3lib_div.php'); require_once(PATH_t3lib.'class.t3lib_extmgm.php'); require(PATH_t3lib.'config_default.php'); if (!defined ('TYPO3_db')) die ('The configuration file was not included.'); if (!$TYPO3_CONF_VARS['GFX']['image_processing']) die ('ImageProcessing was disabled!'); /** * Class for generating a thumbnail from the input parameters given to the script * * Input GET var, &file: relative or absolute reference to an imagefile. WILL be validated against PATH_site / lockRootPath * Input GET var, &size: integer-values defining size of thumbnail, format '[int]' or '[int]x[int]' * * Relative paths MUST BE the first two characters ONLY: eg: '../dir/file.gif', otherwise it is expect to be absolute * * @author Kasper Skaarhoj * @package TYPO3 * @subpackage t3lib */ class SC_t3lib_thumbs { var $include_once = array(); var $outdir = 'typo3temp/'; // The output directory of temporary files in PATH_site var $output = ''; var $sizeDefault='56x56'; var $imageList; // Coming from $TYPO3_CONF_VARS['GFX']['imagefile_ext'] var $input; // Contains the absolute path to the file for which to make a thumbnail (after init()) // Internal, static: GPvar: var $file; // Holds the input filename (GET: file) var $size; // Holds the input size (GET: size) var $mtime = 0; // Last modification time of the supplied file /** * Initialize; reading parameters with GPvar and checking file path * Results in internal var, $this->input, being set to the absolute path of the file for which to make the thumbnail. * * @return void */ function init() { global $TYPO3_CONF_VARS; // Setting GPvars: $file = t3lib_div::_GP('file'); $size = t3lib_div::_GP('size'); $md5sum = t3lib_div::_GP('md5sum'); // Image extension list is set: $this->imageList = $TYPO3_CONF_VARS['GFX']['imagefile_ext']; // valid extensions. OBS: No spaces in the list, all lowercase... // If the filereference $this->file is relative, we correct the path if (substr($file,0,3)=='../') { $file = PATH_site.substr($file,3); } // Now the path is absolute. // Checking for backpath and double slashes + the thumbnail can be made from files which are in the PATH_site OR the lockRootPath only! if (t3lib_div::isAllowedAbsPath($file)) { $mtime = filemtime($file); } // Do an MD5 check to prevent viewing of images without permission $OK = FALSE; if ($mtime) { // Always use the absolute path for this check! $check = basename($file).':'.$mtime.':'.$GLOBALS['TYPO3_CONF_VARS']['SYS']['encryptionKey']; $md5_real = t3lib_div::shortMD5($check); if (!strcmp($md5_real,$md5sum)) { $OK = TRUE; } } if ($OK) { $this->input = $file; $this->size = $size; $this->mtime = $mtime; } else { die('Error: Image does not exist and/or MD5 checksum did not match.'); } } /** * Create the thumbnail * Will exit before return if all is well. * * @return void */ function main() { global $TYPO3_CONF_VARS; // If file exists, we make a thumbsnail of the file. if ($this->input && @file_exists($this->input)) { // Check file extension: $reg = array(); if (ereg('(.*)\.([^\.]*$)',$this->input,$reg)) { $ext=strtolower($reg[2]); $ext=($ext=='jpeg')?'jpg':$ext; if ($ext=='ttf') { $this->fontGif($this->input); // Make font preview... (will not return) } elseif (!t3lib_div::inList($this->imageList, $ext)) { $this->errorGif('Not imagefile!',$ext,basename($this->input)); } } else { $this->errorGif('Not imagefile!','No ext!',basename($this->input)); } // ... so we passed the extension test meaning that we are going to make a thumbnail here: if (!$this->size) $this->size = $this->sizeDefault; // default // I added extra check, so that the size input option could not be fooled to pass other values. That means the value is exploded, evaluated to an integer and the imploded to [value]x[value]. Furthermore you can specify: size=340 and it'll be translated to 340x340. $sizeParts = explode('x', $this->size.'x'.$this->size); // explodes the input size (and if no "x" is found this will add size again so it is the same for both dimensions) $sizeParts = array(t3lib_div::intInRange($sizeParts[0],1,1000),t3lib_div::intInRange($sizeParts[1],1,1000)); // Cleaning it up, only two parameters now. $this->size = implode('x',$sizeParts); // Imploding the cleaned size-value back to the internal variable $sizeMax = max($sizeParts); // Getting max value // Init $outpath = PATH_site.$this->outdir; // Should be - ? 'png' : 'gif' - , but doesn't work (ImageMagick prob.?) // René: png work for me $thmMode = t3lib_div::intInRange($TYPO3_CONF_VARS['GFX']['thumbnails_png'],0); $outext = ($ext!='jpg' || ($thmMode & 2)) ? ($thmMode & 1 ? 'png' : 'gif') : 'jpg'; $outfile = 'tmb_'.substr(md5($this->input.$this->mtime.$this->size),0,10).'.'.$outext; $this->output = $outpath.$outfile; if ($TYPO3_CONF_VARS['GFX']['im']) { // If thumbnail does not exist, we generate it if (!@file_exists($this->output)) { /* if (strstr($this->input,' ') || strstr($this->output,' ')) { $this->errorGif('Spaces in','filepath',basename($this->input)); } */ // 16 colors for small (56) thumbs, 64 for bigger and all for jpegs if ($outext=='jpg') { $colors = ''; } else { $colors = ($sizeMax>56)?'-colors 64':'-colors 16'; } $parameters = '-sample '.$this->size.' '.$colors.' '.$this->wrapFileName($this->input.'[0]').' '.$this->wrapFileName($this->output); $cmd = t3lib_div::imageMagickCommand('convert', $parameters); exec($cmd); if (!@file_exists($this->output)) { $this->errorGif('No thumb','generated!',basename($this->input)); } } // The thumbnail is read and output to the browser if($fd = @fopen($this->output,'rb')) { header('Content-type: image/'.$outext); fpassthru($fd); fclose($fd); } else { $this->errorGif('Read problem!','',$this->output); } } else exit; } else { $this->errorGif('No valid','inputfile!',basename($this->input)); } } /*************************** * * OTHER FUNCTIONS: * ***************************/ /** * Creates error image based on gfx/notfound_thumb.png * Requires GD lib enabled, otherwise it will exit with the three textstrings outputted as text. * Outputs the image stream to browser and exits! * * @param string Text line 1 * @param string Text line 2 * @param string Text line 3 * @return void */ function errorGif($l1,$l2,$l3) { global $TYPO3_CONF_VARS; if (!$TYPO3_CONF_VARS['GFX']['gdlib']) die($l1.' '.$l2.' '.$l3); // Creates the basis for the error image if ($TYPO3_CONF_VARS['GFX']['gdlib_png']) { header('Content-type: image/png'); $im = imagecreatefrompng(PATH_typo3.'gfx/notfound_thumb.png'); } else { header('Content-type: image/gif'); $im = imagecreatefromgif(PATH_typo3.'gfx/notfound_thumb.gif'); } // Sets background color and print color. $white = imageColorAllocate($im, 0,0,0); $black = imageColorAllocate($im, 255,255,0); // Prints the text strings with the build-in font functions of GD $x=0; $font=0; if ($l1) { imagefilledrectangle($im, $x, 9, 56, 16, $black); imageString($im,$font,$x,9,$l1,$white); } if ($l2) { imagefilledrectangle($im, $x, 19, 56, 26, $black); imageString($im,$font,$x,19,$l2,$white); } if ($l3) { imagefilledrectangle($im, $x, 29, 56, 36, $black); imageString($im,$font,$x,29,substr($l3,-14),$white); } // Outputting the image stream and exit if ($TYPO3_CONF_VARS['GFX']['gdlib_png']) { imagePng($im); } else { imageGif($im); } imagedestroy($im); exit; } /** * Creates a font-preview thumbnail. * This means a PNG/GIF file with the text "AaBbCc...." set with the font-file given as input and in various sizes to show how the font looks * Requires GD lib enabled. * Outputs the image stream to browser and exits! * * @param string The filepath to the font file (absolute, probably) * @return void */ function fontGif($font) { global $TYPO3_CONF_VARS; if (!$TYPO3_CONF_VARS['GFX']['gdlib']) die(''); // Create image and set background color to white. $im = imageCreate(250,76); $white = imageColorAllocate($im, 255,255,255); $col = imageColorAllocate($im, 0,0,0); // The test string and offset in x-axis. $string = 'AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZzÆæØøÅåÄäÖöÜüß'; $x=13; // Print (with non-ttf font) the size displayed imagestring ($im, 1, 0, 2, '10', $col); imagestring ($im, 1, 0, 15, '12', $col); imagestring ($im, 1, 0, 30, '14', $col); imagestring ($im, 1, 0, 47, '18', $col); imagestring ($im, 1, 0, 68, '24', $col); // Print with ttf-font the test string imagettftext ($im, t3lib_div::freetypeDpiComp(10), 0, $x, 8, $col, $font, $string); imagettftext ($im, t3lib_div::freetypeDpiComp(12), 0, $x, 21, $col, $font, $string); imagettftext ($im, t3lib_div::freetypeDpiComp(14), 0, $x, 36, $col, $font, $string); imagettftext ($im, t3lib_div::freetypeDpiComp(18), 0, $x, 53, $col, $font, $string); imagettftext ($im, t3lib_div::freetypeDpiComp(24), 0, $x, 74, $col, $font, $string); // Output PNG or GIF based on $TYPO3_CONF_VARS['GFX']['gdlib_png'] if ($TYPO3_CONF_VARS['GFX']['gdlib_png']) { header('Content-type: image/png'); imagePng($im); } else { header('Content-type: image/gif'); imageGif($im); } imagedestroy($im); exit; } /** * Wrapping the input filename in double-quotes * * @param string Input filename * @return string The output wrapped in "" (if there are spaces in the filepath) * @access private */ function wrapFileName($inputName) { if (strstr($inputName,' ')) { $inputName='"'.$inputName.'"'; } return $inputName; } } // Include extension class? if (defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['t3lib/thumbs.php']) { include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['t3lib/thumbs.php']); } // Make instance: $SOBE = t3lib_div::makeInstance('SC_t3lib_thumbs'); $SOBE->init(); $SOBE->main(); ?>