/**
* executes tidy and gets the value
* @param string column name from transaction
* @param string string to test
* @return boolean true if tidy executed succesfully
* @access private
*/
function execTidy($colName, $value)
{
$arg_test = array('--version');
if (isset($_SESSION['TidyContent']['ExecPath'])) {
$loc = array($_SESSION['TidyContent']['ExecPath']);
} else {
$loc = $GLOBALS['TidyContent_TidyLocations'];
if (isset($GLOBALS['KT_prefered_tidy_path'])) {
array_unshift($loc, $GLOBALS['KT_prefered_tidy_path'] . 'tidy');
array_unshift($loc, $GLOBALS['KT_prefered_tidy_path'] . 'tidy.exe');
}
}
$shell = new KT_shell();
$shell->execute($loc, $arg_test);
if ($shell->hasError()) {
$arr = $shell->getError();
$this->setErrorMsg($arr[0], $arr[1]);
return false;
}
$execPath = $shell->getExecutedCommand();
if (!isset($_SESSION['TidyContent']['ExecPath']) && $execPath != '') {
$_SESSION['TidyContent']['ExecPath'] = $execPath;
$loc = array($execPath);
}
$tidyEncoding = 'raw';
if (strtolower($this->outEncoding) == 'iso-8859-1') {
$tidyEncoding = 'ascii';
}
if (strpos(strtolower($this->outEncoding), 'utf-8') !== false) {
$tidyEncoding = 'utf8';
}
$string = $value;
$string = str_replace(" ", " ", $string);
$string = str_replace(" ", " ", $string);
if (!file_exists($this->folderName)) {
$folder = new KT_folder();
$folder->createFolder($this->folderName);
if ($folder->hasError()) {
$arr = $folder->getError();
$this->setErrorMsg($arr[0], $arr[1]);
return false;
}
}
$f = tempnam(substr($this->folderName, 0, -1), 'tidy');
if ($f === false) {
$err = KT_getResource('ERROR_TIDY_CONTENT', 'tNG', array());
$this->setErrorMsg($err, $err);
return false;
}
$fout = $f . '_out';
$file = new KT_file();
$file->writeFile($f, 'append', $string);
if ($file->hasError()) {
$arr = $file->getError();
$this->setErrorMsg($arr[0], $arr[1]);
return false;
}
$path = $GLOBALS['TidyContent_TidyConfiguration'];
$arg = array("-config", $path, '-' . $tidyEncoding, "-o", $fout, $f);
$shell = new KT_shell();
$output = $shell->execute($loc, $arg);
if ($shell->hasError() && !file_exists($fout)) {
$arr = $shell->getError();
$this->setErrorMsg($arr[0], $arr[1]);
@unlink($f);
@unlink($fout);
return false;
}
$file = new KT_file();
$content = $file->readFile($fout);
if ($file->hasError()) {
$arr = $file->getError();
$this->setErrorMsg($arr[0], $arr[1]);
@unlink($f);
@unlink($fout);
return false;
}
$file->deleteFile($f);
if ($file->hasError()) {
$arr = $file->getError();
$this->setErrorMsg($arr[0], $arr[1]);
@unlink($fout);
return false;
}
$file->deleteFile($fout);
if ($file->hasError()) {
$arr = $file->getError();
$this->setErrorMsg($arr[0], $arr[1]);
return false;
}
$content = str_replace(" ", " ", $content);
$content = str_replace(" ", " ", $content);
$content = $this->cleanContent($content);
$this->tidiedValues[$colName] = $content;
return true;
}
/**
* main class method; Create the image and return the url to the image file;
* @param string relative path to site root
* @return mixt image url or error
*/
function getImageURL($relpath)
{
$this->garbageCollector();
// check write permissions on captcha folder
$fld = new KT_folder();
$fld->createFolder(KT_CAPTCHA_TEMP_FOLDER);
if (!$fld->checkRights(KT_CAPTCHA_TEMP_FOLDER, 'write')) {
if ($GLOBALS['tNG_debug_mode'] == 'DEVELOPMENT') {
$error = KT_getResource('FOLDER_ERROR_D', 'Captcha', array(KT_CAPTCHA_TEMP_FOLDER));
} else {
$error = KT_getResource('FOLDER_ERROR', 'Captcha');
}
return $this->formatError($error);
}
// with gd
if ($this->lib == "gd") {
$arr["GD Version"] = 'GD not available';
if (function_exists('gd_info')) {
$arr = gd_info();
preg_match("/(2)\\.[\\d]+/i", $arr["GD Version"], $matches);
}
if (!isset($arr) || !isset($matches[1]) || (int) $matches[1] < 2) {
$error = KT_getResource('PHP_GD_VERSION_ERROR', 'Captcha', array($arr["GD Version"]));
return $this->formatError($error);
}
$im = imagecreatefrompng(dirname(__FILE__) . '/captcha.png') or $error = KT_getResource('PHP_GD_ERROR', 'Captcha', array());
if (isset($error)) {
return $this->formatError($error);
}
$string = $this->getTextCaptcha();
$font = imageloadfont(dirname(__FILE__) . "/fonts/Courier.gdf");
if ($font === false) {
$font = 5;
}
$fontFileName = dirname(__FILE__) . '/fonts/MyriadWebPro.ttf';
$wFont = 24;
$hFont = 24;
// write the letters
for ($i = 0; $i < strlen($string); $i++) {
$color1 = rand(0, 64);
$color2 = rand(0, 64);
$color3 = rand(0, 64);
$text_color = imagecolorallocate($im, $color1, $color2, $color3);
$okttf = false;
if (function_exists('imagettftext')) {
$okttf = @imagettftext($im, 14, rand(-25, 25), 10 + $i * $wFont, $hFont + rand(4, 26), $text_color, $fontFileName, $string[$i]);
}
if ($okttf === false) {
$fim = imagecreatetruecolor($wFont + 9, $hFont + 9);
$back = imagecolorallocate($fim, 255, 255, 255);
imagefilledrectangle($fim, 0, 0, $wFont + 8, $hFont + 8, $back);
$transparent2 = imagecolorallocate($fim, 255, 255, 255);
$text_color = imagecolorallocate($fim, $color1, $color2, $color3);
imagestring($fim, $font, 4, 4, $string[$i], $text_color);
if (function_exists("imagerotate")) {
$fim = imagerotate($fim, rand(-25, 25), $transparent2);
}
$iTranspa2 = imagecolortransparent($fim, $transparent2);
imagecopymerge($im, $fim, 0 + $i * $wFont, rand(4, 26), 0, 0, $wFont + 9, $hFont + 9, 80);
imagedestroy($fim);
}
}
imagepng($im, KT_CAPTCHA_TEMP_FOLDER . $this->filename);
imagedestroy($im);
// with imagemagick
} else {
$sourceFileName = dirname(__FILE__) . '/captcha.png';
$fontFileName = dirname(__FILE__) . '/fonts/MyriadWebPro.ttf';
$destFileName = KT_CAPTCHA_TEMP_FOLDER . $this->filename;
$arrCommands = array($GLOBALS['KT_prefered_imagemagick_path'] . 'convert');
$shell = new KT_shell();
$direction = rand(0, 10);
if ($direction % 2 == 0) {
$textRend = -rand(8, 11) . 'x0+' . (5 + (8 - strlen($this->text)) * 20) . '+' . (70 - (8 - strlen($this->text)) * 5);
} else {
$textRend = rand(8, 11) . 'x0+' . (5 + (8 - strlen($this->text)) * 20) . '+' . (35 + (8 - strlen($this->text)) * 5);
}
$arrArguments = array('-font', $fontFileName, '-pointsize', '34', '-fill', 'rgb(' . rand(0, 32) . ',' . rand(0, 32) . ',' . rand(0, 32) . ')', '-annotate', $textRend, $this->text, '-wave', '3x50', '-region', '100x70+' . rand(0, 100) . '+0', '-swirl', '25', '-region', '100x70+' . rand(0, 100) . '+0', '-swirl', '-25', $sourceFileName, $destFileName);
$shell->execute($arrCommands, $arrArguments);
if ($shell->hasError()) {
$arr = $shell->getError();
$ret = $this->formatError($arr[0]);
return $ret;
}
}
return $relpath . KT_CAPTCHA_TEMP_URL . $this->filename;
}
/**
* check if imagemagik is installed;
* @return boolean true if is installed or false if not;
* @access private
*/
function checkImageMagik()
{
for ($i = 0; $i < count($this->arrCommands); $i++) {
if (substr($this->arrCommands[$i], -7) != 'convert') {
$this->arrCommands[$i] .= 'convert';
}
}
if (!isset($GLOBALS["tNG"]["imagemagick"])) {
$shell = new KT_shell();
$arrCommands = $this->arrCommands;
$arrArguments = array("");
$output = $shell->execute($arrCommands, $arrArguments);
if ($shell->hasError()) {
$GLOBALS["tNG"]["imagemagick"] = false;
} else {
if ($output != '') {
$this->imageMagickPath = $shell->getExecutedCommand();
$GLOBALS["tNG"]["imagemagick"] = true;
} else {
$GLOBALS["tNG"]["imagemagick"] = false;
}
}
}
return $GLOBALS["tNG"]["imagemagick"];
}