Your IP : 172.28.240.42
<?
##############################################
# Bitrix: SiteManager #
# Copyright (c) 2002-2006 Bitrix #
# http://www.bitrixsoft.com #
# mailto:admin@bitrixsoft.com #
##############################################
if (!class_exists("CCaptcha"))
{
class CCaptcha
{
var $imageWidth = 180;
var $imageHeight = 40;
var $codeLength = 5;
var $ttfFilesPath = "/bitrix/modules/main/fonts";
var $arTTFFiles = array("font.ttf");
var $textAngleFrom = -20;
var $textAngleTo = 20;
var $textStartX = 7;
var $textDistanceFrom = 27;
var $textDistanceTo = 32;
var $textFontSize = 20;
var $bTransparentText = True;
var $transparentTextPercent = 10;
var $arTextColor = array(array(0, 100), array(0, 100), array(0, 100));
var $arBGColor = array(array(255, 255), array(255, 255), array(255, 255));
var $arRealBGColor = false;
var $numEllipses = 100;
var $arEllipseColor = array(array(127, 255), array(127, 255), array(127, 255));
var $numLines = 20;
var $arLineColor = array(array(110, 250), array(110, 250), array(110, 250));
var $bLinesOverText = False;
var $arBorderColor = array(0, 0, 0);
var $bWaveTransformation = False;
var $arChars = array(
'A','B','C','D','E','F','G','H','J','K','L','M',
'N','P','Q','R','S','T'/*,'U'*//*,'V'*/,'W','X','Y','Z',
'2','3','4','5','6','7','8','9'
);//'1','I','O','0'
var $image;
var $code;
var $codeCrypt;
var $sid;
function __construct()
{
return $this->CCaptcha();
}
function CCaptcha()
{
$this->transparentTextPercent = COption::GetOptionInt("main", "CAPTCHA_transparentTextPercent", 10);
$this->bTransparentText = $this->transparentTextPercent > 0;
$this->SetBGColorRGB(
COption::GetOptionString("main", "CAPTCHA_arBGColor_1", "FFFFFF"),
COption::GetOptionString("main", "CAPTCHA_arBGColor_2", "FFFFFF")
);
$this->SetEllipsesNumber(
COption::GetOptionInt("main", "CAPTCHA_numEllipses", 100)
);
$this->SetEllipseColorRGB(
COption::GetOptionString("main", "CAPTCHA_arEllipseColor_1", "7F7F7F"),
COption::GetOptionString("main", "CAPTCHA_arEllipseColor_2", "FFFFFF")
);
$this->SetLinesOverText(
COption::GetOptionString("main", "CAPTCHA_bLinesOverText", "N") === "Y"
);
$this->SetLinesNumber(
COption::GetOptionInt("main", "CAPTCHA_numLines", 20)
);
$this->SetLineColorRGB(
COption::GetOptionString("main", "CAPTCHA_arLineColor_1", "6E6E6E"),
COption::GetOptionString("main", "CAPTCHA_arLineColor_2", "FAFAFA")
);
$this->SetTextWriting(
COption::GetOptionInt("main", "CAPTCHA_textAngel_1", -20),
COption::GetOptionInt("main", "CAPTCHA_textAngel_2", 20),
COption::GetOptionInt("main", "CAPTCHA_textStartX", 7),
COption::GetOptionInt("main", "CAPTCHA_textDistance_1", 27),
COption::GetOptionInt("main", "CAPTCHA_textDistance_2", 32),
COption::GetOptionInt("main", "CAPTCHA_textFontSize", 20)
);
$this->SetTextColorRGB(
COption::GetOptionString("main", "CAPTCHA_arTextColor_1", "000000"),
COption::GetOptionString("main", "CAPTCHA_arTextColor_2", "646464")
);
$this->SetWaveTransformation(
COption::GetOptionString("main", "CAPTCHA_bWaveTransformation", "N") === "Y"
);
$this->SetBorderColorRGB(
COption::GetOptionString("main", "CAPTCHA_arBorderColor", "000000")
);
$this->SetTTFFonts(
explode(",", COption::GetOptionString("main", "CAPTCHA_arTTFFiles", "font.ttf"))
);
$strChars = COption::GetOptionString("main", "CAPTCHA_letters", "ABCDEFGHJKLMNPQRSTWXYZ23456789");
$arChars = array();
for($i = 0; $i < strlen($strChars); $i++)
$arChars[] = substr($strChars, $i, 1);
$this->SetCodeChars($arChars);
}
/* SET */
function SetImageSize($width, $height)
{
$width = IntVal($width);
$height = IntVal($height);
if ($width > 0)
$this->imageWidth = $width;
if ($height > 0)
$this->imageHeight = $height;
}
function SetCodeLength($length)
{
$length = IntVal($length);
if ($length > 0)
$this->codeLength = $length;
}
function SetTTFFontsPath($ttfFilesPath)
{
if (strlen($ttfFilesPath) > 0)
{
$filename = trim(str_replace("\\", "/", trim($ttfFilesPath)), "/");
$FILE_NAME = rel2abs($_SERVER["DOCUMENT_ROOT"], "/".$filename);
if(strlen($FILE_NAME) > 1 && is_dir($_SERVER["DOCUMENT_ROOT"].$FILE_NAME))
$this->ttfFilesPath = $FILE_NAME;
}
}
function GetTTFFontsPath()
{
return $this->ttfFilesPath;
}
function SetTTFFonts($arFonts)
{
if (!is_array($arFonts) || count($arFonts) <= 0)
$arFonts = array();
$this->arTTFFiles = $arFonts;
}
function SetTextWriting($angleFrom, $angleTo, $startX, $distanceFrom, $distanceTo, $fontSize)
{
$angleFrom = IntVal($angleFrom);
$angleTo = IntVal($angleTo);
$startX = IntVal($startX);
$distanceFrom = IntVal($distanceFrom);
$distanceTo = IntVal($distanceTo);
$fontSize = IntVal($fontSize);
$this->textAngleFrom = $angleFrom;
$this->textAngleTo = $angleTo;
if ($startX > 0)
$this->textStartX = $startX;
if ($distanceFrom <> 0)
$this->textDistanceFrom = $distanceFrom;
if ($distanceTo <> 0)
$this->textDistanceTo = $distanceTo;
if ($fontSize > 0)
$this->textFontSize = $fontSize;
}
function SetTextTransparent($bTransparentText, $transparentTextPercent = 10)
{
$this->bTransparentText = ($bTransparentText ? True : False);
$this->transparentTextPercent = IntVal($transparentTextPercent);
}
function SetColor($arColor)
{
if (!is_array($arColor) || count($arColor) != 3)
return False;
$arNewColor = array();
$bCorrectColor = True;
for ($i = 0; $i < 3; $i++)
{
if (!is_array($arColor[$i]))
$arColor[$i] = array($arColor[$i]);
for ($j = 0; $j < 2; $j++)
{
if ($j > 0)
{
if (!array_key_exists($j, $arColor[$i]))
$arColor[$i][$j] = $arColor[$i][$j - 1];
}
$arColor[$i][$j] = IntVal($arColor[$i][$j]);
if ($arColor[$i][$j] < 0 || $arColor[$i][$j] > 255)
{
$bCorrectColor = False;
break;
}
if ($j > 0)
{
if ($arColor[$i][$j] < $arColor[$i][$j - 1])
{
$bCorrectColor = False;
break;
}
}
$arNewColor[$i][$j] = $arColor[$i][$j];
if ($j > 0)
break;
}
}
if ($bCorrectColor)
return $arNewColor;
return False;
}
function SetBGColor($arColor)
{
if ($arNewColor = $this->SetColor($arColor))
{
$this->arBGColor = $arNewColor;
$this->arRealBGColor = false;
}
}
function SetBGColorRGB($color_1, $color_2)
{
if(preg_match("/^[0-9A-Fa-f]{6}$/", $color_1) && preg_match("/^[0-9A-Fa-f]{6}$/", $color_1))
{
$arColor = array(
array(hexdec(substr($color_1, 0, 2)), hexdec(substr($color_2, 0, 2))),
array(hexdec(substr($color_1, 2, 2)), hexdec(substr($color_2, 2, 2))),
array(hexdec(substr($color_1, 4, 2)), hexdec(substr($color_2, 4, 2))),
);
$this->SetBGColor($arColor);
}
}
function SetTextColor($arColor)
{
if ($arNewColor = $this->SetColor($arColor))
$this->arTextColor = $arNewColor;
}
function SetTextColorRGB($color_1, $color_2)
{
if(preg_match("/^[0-9A-Fa-f]{6}$/", $color_1) && preg_match("/^[0-9A-Fa-f]{6}$/", $color_1))
{
$arColor = array(
array(hexdec(substr($color_1, 0, 2)), hexdec(substr($color_2, 0, 2))),
array(hexdec(substr($color_1, 2, 2)), hexdec(substr($color_2, 2, 2))),
array(hexdec(substr($color_1, 4, 2)), hexdec(substr($color_2, 4, 2))),
);
$this->SetTextColor($arColor);
}
}
function SetEllipseColor($arColor)
{
if ($arNewColor = $this->SetColor($arColor))
$this->arEllipseColor = $arNewColor;
}
function SetEllipseColorRGB($color_1, $color_2)
{
if(preg_match("/^[0-9A-Fa-f]{6}$/", $color_1) && preg_match("/^[0-9A-Fa-f]{6}$/", $color_1))
{
$arColor = array(
array(hexdec(substr($color_1, 0, 2)), hexdec(substr($color_2, 0, 2))),
array(hexdec(substr($color_1, 2, 2)), hexdec(substr($color_2, 2, 2))),
array(hexdec(substr($color_1, 4, 2)), hexdec(substr($color_2, 4, 2))),
);
$this->SetEllipseColor($arColor);
}
}
function SetLineColor($arColor)
{
if ($arNewColor = $this->SetColor($arColor))
$this->arLineColor = $arNewColor;
}
function SetLineColorRGB($color_1, $color_2)
{
if(preg_match("/^[0-9A-Fa-f]{6}$/", $color_1) && preg_match("/^[0-9A-Fa-f]{6}$/", $color_1))
{
$arColor = array(
array(hexdec(substr($color_1, 0, 2)), hexdec(substr($color_2, 0, 2))),
array(hexdec(substr($color_1, 2, 2)), hexdec(substr($color_2, 2, 2))),
array(hexdec(substr($color_1, 4, 2)), hexdec(substr($color_2, 4, 2))),
);
$this->SetLineColor($arColor);
}
}
function SetBorderColor($arColor)
{
if ($arNewColor = $this->SetColor($arColor))
$this->arBorderColor = $arNewColor;
}
function SetBorderColorRGB($color)
{
if(preg_match("/^[0-9A-Fa-f]{6}$/", $color))
{
$arColor = array(
hexdec(substr($color, 0, 2)),
hexdec(substr($color, 2, 2)),
hexdec(substr($color, 4, 2)),
);
$this->SetBorderColor($arColor);
}
}
function SetEllipsesNumber($num)
{
$this->numEllipses = IntVal($num);
}
function SetLinesNumber($num)
{
$this->numLines = IntVal($num);
}
function SetLinesOverText($bLinesOverText)
{
$this->bLinesOverText = ($bLinesOverText ? True : False);
}
function SetCodeChars($arChars)
{
if (is_array($arChars) && count($arChars) > 0)
$this->arChars = $arChars;
}
function SetWaveTransformation($bWaveTransformation)
{
$this->bWaveTransformation = ($bWaveTransformation ? True : False);
}
/* UTIL */
function GetColor($arColor)
{
$arResult = array();
for ($i = 0; $i < count($arColor); $i++)
{
$arResult[$i] = round(rand($arColor[$i][0], $arColor[$i][1]));
}
return $arResult;
}
function InitImage($width = false, $height = false)
{
if(!$width)
$width = $this->imageWidth;
if(!$height)
$height = $this->imageHeight;
$image = imagecreatetruecolor($width, $height);
if(!$this->arRealBGColor)
{
$this->arRealBGColor = $this->GetColor($this->arBGColor);
}
$bgColor = imagecolorallocate($image, $this->arRealBGColor[0], $this->arRealBGColor[1], $this->arRealBGColor[2]);
imagefilledrectangle($image, 0, 0, imagesx($image), imagesy($image), $bgColor);
return $image;
}
function CreateImage()
{
$this->image = $this->InitImage();
$this->DrawEllipses();
if (!$this->bLinesOverText)
$this->DrawLines();
$right_border = $this->DrawText();
// if($right_border < ($this->imageWidth - $this->textStartX))
// {
// $img2 = $this->InitImage();
// imagecopy($img2, $this->image,
// $this->textStartX + rand(0, $this->imageWidth - $right_border - $this->textStartX), 0,
// $this->textStartX, 0,
// $right_border - $this->textStartX, $this->imageHeight
// );
// $this->image = $img2;
// }
if ($this->bLinesOverText)
$this->DrawLines();
if($this->bWaveTransformation)
{
$this->Wave();
}
$arBorderColor = $this->GetColor($this->arBorderColor);
$borderColor = imagecolorallocate($this->image, $arBorderColor[0], $arBorderColor[1], $arBorderColor[2]);
imageline($this->image, 0, 0, $this->imageWidth-1, 0, $borderColor);
imageline($this->image, 0, 0, 0, $this->imageHeight-1, $borderColor);
imageline($this->image, $this->imageWidth-1, 0, $this->imageWidth-1, $this->imageHeight-1, $borderColor);
imageline($this->image, 0, $this->imageHeight-1, $this->imageWidth-1, $this->imageHeight-1, $borderColor);
}
function CreateImageError($arMsg)
{
$this->image = imagecreate($this->imageWidth, $this->imageHeight);
$bgColor = imagecolorallocate($this->image, 0, 0, 0);
$textColor = imagecolorallocate($this->image, 255, 255, 255);
if (!is_array($arMsg))
$arMsg = array($arMsg);
$bTextOut = False;
$y = 5;
for ($i = 0; $i < count($arMsg); $i++)
{
if (strlen(Trim($arMsg[$i])) > 0)
{
$bTextOut = True;
imagestring($this->image, 3, 5, $y, $arMsg[$i], $textColor);
$y += 15;
}
}
if (!$bTextOut)
{
imagestring($this->image, 3, 5, 5, "Error!", $textColor);
imagestring($this->image, 3, 5, 20, "Reload the page!", $textColor);
}
}
function Wave()
{
$img = $this->image;
$img2 = $this->InitImage();
// ñëó÷àéíûå ïàðàìåòðû (ìîæíî ïîýêñïåðèìåíòèðîâàòü ñ êîýôôèöèåíòàìè):
// ÷àñòîòû
$rand1 = mt_rand(700000, 1000000) / 15000000;
$rand2 = mt_rand(700000, 1000000) / 15000000;
$rand3 = mt_rand(700000, 1000000) / 15000000;
$rand4 = mt_rand(700000, 1000000) / 15000000;
// ôàçû
$rand5 = mt_rand(0, 3141592) / 1000000;
$rand6 = mt_rand(0, 3141592) / 1000000;
$rand7 = mt_rand(0, 3141592) / 1000000;
$rand8 = mt_rand(0, 3141592) / 1000000;
// àìïëèòóäû
$rand9 = mt_rand(400, 600) / 500;
$rand10 = mt_rand(400, 600) / 200;
$height = $this->imageHeight;
$height_1 = $height - 1;
$width = $this->imageWidth;
$width_1 = $width - 1;
for($x = 0; $x < $width; $x++)
{
for($y = 0; $y < $height; $y++)
{
// êîîðäèíàòû ïèêñåëÿ-ïåðâîîáðàçà.
$sx = $x + ( sin($x * $rand1 + $rand5) + sin($y * $rand3 + $rand6) ) * $rand9;
$sy = $y + ( sin($x * $rand2 + $rand7) + sin($y * $rand4 + $rand8) ) * $rand10;
// ïåðâîîáðàç çà ïðåäåëàìè èçîáðàæåíèÿ
if($sx < 0 || $sy < 0 || $sx >= $width_1 || $sy >= $height_1)
{
$color_xy = $color_y = $color_x = $color = $this->arRealBGColor;
}
else
{ // öâåòà îñíîâíîãî ïèêñåëÿ è åãî 3-õ ñîñåäåé äëÿ ëó÷øåãî àíòèàëèàñèíãà
$rgb = imagecolorat($img, $sx, $sy);
$color_r = ($rgb >> 16) & 0xFF;
$color_g = ($rgb >> 8) & 0xFF;
$color_b = $rgb & 0xFF;
$rgb = imagecolorat($img, $sx+1, $sy);
$color_x_r = ($rgb >> 16) & 0xFF;
$color_x_g = ($rgb >> 8) & 0xFF;
$color_x_b = $rgb & 0xFF;
$rgb = imagecolorat($img, $sx, $sy+1);
$color_y_r = ($rgb >> 16) & 0xFF;
$color_y_g = ($rgb >> 8) & 0xFF;
$color_y_b = $rgb & 0xFF;
$rgb = imagecolorat($img, $sx+1, $sy+1);
$color_xy_r = ($rgb >> 16) & 0xFF;
$color_xy_g = ($rgb >> 8) & 0xFF;
$color_xy_b = $rgb & 0xFF;
}
// ñãëàæèâàåì
$frsx = $sx - floor($sx); //îòêëîíåíèå êîîðäèíàò ïåðâîîáðàçà îò öåëîãî
$frsy = $sy - floor($sy);
$frsx1 = 1 - $frsx;
$frsy1 = 1 - $frsy;
// âû÷èñëåíèå öâåòà íîâîãî ïèêñåëÿ êàê ïðîïîðöèè îò öâåòà îñíîâíîãî ïèêñåëÿ è åãî ñîñåäåé
$i11 = $frsx1 * $frsy1;
$i01 = $frsx * $frsy1;
$i10 = $frsx1 * $frsy ;
$i00 = $frsx * $frsy ;
$red = floor( $color_r * $i11 +
$color_x_r * $i01 +
$color_y_r * $i10 +
$color_xy_r * $i00
);
$green = floor( $color_g * $i11 +
$color_x_g * $i01 +
$color_y_g * $i10 +
$color_xy_g * $i00
);
$blue = floor( $color_b * $i11 +
$color_x_b * $i01 +
$color_y_b * $i10 +
$color_xy_b * $i00
);
imagesetpixel($img2, $x, $y, imagecolorallocate($img2, $red, $green, $blue));
}
}
$this->image = $img2;
}
function DestroyImage()
{
imagedestroy($this->image);
}
function ShowImage()
{
imagejpeg($this->image);
}
function DrawText()
{
if ($this->bTransparentText)
$alpha = floor($this->transparentTextPercent / 100 * 127);
$yMin = ($this->imageHeight / 2) + ($this->textFontSize / 2) - 2;
$yMax = ($this->imageHeight / 2) + ($this->textFontSize / 2) + 2;
$bPrecise = $this->textDistanceFrom < 0 && $this->textDistanceTo < 0;
if($bPrecise)
{
//We'll need inversed color to draw on background
$bg_color_hex = $this->arRealBGColor[0] << 16 | $this->arRealBGColor[1] << 8 | $this->arRealBGColor[2];
$not_bg_color = array(
(!$bg_color_hex >> 16) & 0xFF,
(!$bg_color_hex >> 8) & 0xFF,
(!$bg_color_hex) & 0xFF
);
}
$arPos = array();
for ($i = 0; $i < $this->codeLength; $i++)
{
$char = substr($this->code, $i, 1);
$ttfFile = $_SERVER["DOCUMENT_ROOT"].$this->ttfFilesPath."/".$this->arTTFFiles[rand(1, count($this->arTTFFiles)) - 1];
$angle = rand($this->textAngleFrom, $this->textAngleTo);
$bounds = imagettfbbox($this->textFontSize, $angle, $ttfFile, $char);
$height = max($bounds[1], $bounds[3], $bounds[5], $bounds[7]) - min($bounds[1], $bounds[3], $bounds[5], $bounds[7]);
$width = max($bounds[0], $bounds[2], $bounds[4], $bounds[6]) - min($bounds[0], $bounds[2], $bounds[4], $bounds[6]);
$y = $height + rand(0, ($this->imageHeight-$height)*0.9);
if($bPrecise)
{
//Now for precise positioning we need to draw characred and define it's borders
$img = $this->InitImage($width, $this->imageHeight);
$tmp = imagecolorallocate($img, $not_bg_color[0], $not_bg_color[1], $not_bg_color[2]);
$dx = -min($bounds[0], $bounds[2], $bounds[4], $bounds[6]);
imagettftext($img, $this->textFontSize, $angle, $dx, $y, $tmp, $ttfFile, $char);
$arLeftBounds = array();
for($yy=0; $yy < $this->imageHeight; $yy++)
{
$arLeftBounds[$yy] = 0;
for($xx=0; $xx < $width; $xx++)
{
$rgb = imagecolorat($img, $xx, $yy);
if($rgb !== $bg_color_hex && $arLeftBounds[$yy] === 0)
{
$arLeftBounds[$yy] = $xx;
break;
}
}
$arRightBounds[$yy] = 0;
if($arLeftBounds[$yy] > 0)
{
for($xx=$width; $xx > 0; $xx--)
{
$rgb = imagecolorat($img, $xx-1, $yy);
if($rgb !== $bg_color_hex && $arRightBounds[$yy] === 0)
{
$arRightBounds[$yy] = $xx-1;
break;
}
}
}
}
imagedestroy($img);
}
else
{
$arLeftBounds = array();
$arRightBounds = array();
$dx = 0;
}
if($i > 0)
{
if($bPrecise)
{
$arDX = array();
for($yy=0; $yy < $this->imageHeight; $yy++)
{
if($arPos[$i-1][6][$yy] > 0 && $arLeftBounds[$yy] > 0)
$arDX[$yy] = ($arPos[$i-1][6][$yy] - $arPos[$i-1][7])-($arLeftBounds[$yy]-$dx);
else
$arDX[$yy] = $arPos[$i-1][5][$yy] - $arPos[$i-1][7];
}
$x += max($arDX)+(rand($this->textDistanceFrom, $this->textDistanceTo));
}
else
{
$x += rand($this->textDistanceFrom, $this->textDistanceTo);
}
}
else
{
$x = rand($this->textStartX/2, $this->textStartX*2);
}
$arPos[$i] = array(
$angle, //0
$x, //1
$y, //2
$ttfFile, //3
$char, //4
$arLeftBounds, //5
$arRightBounds, //6
$dx, //7
);
}
foreach($arPos as $pos)
{
$arTextColor = $this->GetColor($this->arTextColor);
if ($this->bTransparentText)
$color = imagecolorallocatealpha($this->image, $arTextColor[0], $arTextColor[1], $arTextColor[2], $alpha);
else
$color = imagecolorallocate($this->image, $arTextColor[0], $arTextColor[1], $arTextColor[2]);
$bounds = imagettftext($this->image, $this->textFontSize, $pos[0], $pos[1], $pos[2], $color, $pos[3], $pos[4]);
$x2 = $pos[1] + ($bounds[2] - $bounds[0]);
}
return $x2;
}
function DrawEllipses()
{
if ($this->numEllipses > 0)
{
for ($i = 0; $i < $this->numEllipses; $i++)
{
$arEllipseColor = $this->GetColor($this->arEllipseColor);
$color = imagecolorallocate($this->image, $arEllipseColor[0], $arEllipseColor[1], $arEllipseColor[2]);
imagefilledellipse($this->image, round(rand(0, $this->imageWidth)), round(rand(0, $this->imageHeight)), round(rand(0, $this->imageWidth / 8)), round(rand(0, $this->imageHeight / 2)), $color);
}
}
}
function DrawLines()
{
if ($this->numLines > 0)
{
for ($i = 0; $i < $this->numLines; $i++)
{
$arLineColor = $this->GetColor($this->arLineColor);
$color = imagecolorallocate($this->image, $arLineColor[0], $arLineColor[1], $arLineColor[2]);
imageline($this->image, rand(1, $this->imageWidth), rand(1, $this->imageHeight / 2), rand(1, $this->imageWidth), rand($this->imageHeight / 2, $this->imageHeight), $color);
}
}
}
/* OUTPUT */
function Output()
{
header("Expires: Sun, 1 Jan 2000 12:00:00 GMT");
header("Last-Modified: ".gmdate("D, d M Y H:i:s")."GMT");
header("Cache-Control: no-store, no-cache, must-revalidate");
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache");
header("Content-Type: image/jpeg");
$this->CreateImage();
$this->ShowImage();
$this->DestroyImage();
}
function OutputError()
{
header("Expires: Sun, 1 Jan 2000 12:00:00 GMT");
header("Last-Modified: ".gmdate("D, d M Y H:i:s")."GMT");
header("Cache-Control: no-store, no-cache, must-revalidate");
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache");
header("Content-Type: image/jpeg");
$numArgs = func_num_args();
if ($numArgs > 0)
$arMsg = func_get_arg(0);
else
$arMsg = array();
$this->CreateImageError($arMsg);
$this->ShowImage();
$this->DestroyImage();
}
/* CODE */
function SetCode()
{
if (!defined("CAPTCHA_COMPATIBILITY"))
return CCaptcha::SetCaptchaCode();
$max = count($this->arChars);
$this->code = "";
for ($i = 0; $i < $this->codeLength; $i++)
$this->code .= $this->arChars[rand(1, $max) - 1];
$this->sid = time();
if (!is_array($_SESSION["CAPTCHA_CODE"]))
$_SESSION["CAPTCHA_CODE"] = array();
$_SESSION["CAPTCHA_CODE"][$this->sid] = $this->code;
}
function SetCodeCrypt($password = "")
{
if (!defined("CAPTCHA_COMPATIBILITY"))
return CCaptcha::SetCaptchaCode();
$max = count($this->arChars);
$this->code = "";
for ($i = 0; $i < $this->codeLength; $i++)
$this->code .= $this->arChars[rand(1, $max) - 1];
if (!array_key_exists("CAPTCHA_PASSWORD", $_SESSION) || strlen($_SESSION["CAPTCHA_PASSWORD"]) <= 0)
$_SESSION["CAPTCHA_PASSWORD"] = randString(10);
$this->codeCrypt = $this->CryptData($this->code, "E", $_SESSION["CAPTCHA_PASSWORD"]);
}
function SetCaptchaCode($sid = false)
{
$max = count($this->arChars);
$this->code = "";
for ($i = 0; $i < $this->codeLength; $i++)
$this->code .= $this->arChars[rand(1, $max) - 1];
$this->sid = $sid===false? md5( uniqid(microtime())): $sid;
CCaptcha::Add(
Array(
"CODE" => $this->code,
"ID" => $this->sid
)
);
}
function InitCaptchaCode($sid)
{
global $DB;
$res = $DB->Query("SELECT CODE FROM b_captcha WHERE ID = '".$DB->ForSQL($sid,32)."' ");
if (!$ar = $res->Fetch())
{
$this->SetCaptchaCode($sid);
$res = $DB->Query("SELECT CODE FROM b_captcha WHERE ID = '".$DB->ForSQL($sid,32)."' ");
if (!$ar = $res->Fetch())
return false;
}
$this->code = $ar["CODE"];
$this->sid = $sid;
$this->codeLength = strlen($this->code);
return true;
}
function InitCode($sid)
{
if (!defined("CAPTCHA_COMPATIBILITY"))
return CCaptcha::InitCaptchaCode($sid);
if (!is_array($_SESSION["CAPTCHA_CODE"]) || count($_SESSION["CAPTCHA_CODE"]) <= 0)
return False;
if (!array_key_exists($sid, $_SESSION["CAPTCHA_CODE"]))
return False;
$this->code = $_SESSION["CAPTCHA_CODE"][$sid];
$this->sid = $sid;
$this->codeLength = strlen($this->code);
return True;
}
function InitCodeCrypt($codeCrypt, $password = "")
{
if (!defined("CAPTCHA_COMPATIBILITY"))
return CCaptcha::InitCaptchaCode($codeCrypt);
if (strlen($codeCrypt) <= 0)
return False;
if (!array_key_exists("CAPTCHA_PASSWORD", $_SESSION) || strlen($_SESSION["CAPTCHA_PASSWORD"]) <= 0)
return False;
$this->codeCrypt = $codeCrypt;
$this->code = $this->CryptData($codeCrypt, "D", $_SESSION["CAPTCHA_PASSWORD"]);
$this->codeLength = strlen($this->code);
return True;
}
function GetSID()
{
return $this->sid;
}
function GetCodeCrypt()
{
if (!defined("CAPTCHA_COMPATIBILITY"))
return $this->sid;
return $this->codeCrypt;
}
function CheckCaptchaCode($userCode, $sid, $bUpperCode = true)
{
global $DB;
if (strlen($userCode)<=0 || strlen($sid)<=0)
return false;
if ($bUpperCode)
$userCode = strtoupper($userCode);
$res = $DB->Query("SELECT CODE FROM b_captcha WHERE ID = '".$DB->ForSQL($sid,32)."' ");
if (!$ar = $res->Fetch())
return false;
if ($ar["CODE"] != $userCode)
return false;
CCaptcha::Delete($sid);
return true;
}
function CheckCode($userCode, $sid, $bUpperCode = True)
{
if (!defined("CAPTCHA_COMPATIBILITY"))
return CCaptcha::CheckCaptchaCode($userCode, $sid, $bUpperCode);
if (!is_array($_SESSION["CAPTCHA_CODE"]) || count($_SESSION["CAPTCHA_CODE"]) <= 0)
return False;
if (!array_key_exists($sid, $_SESSION["CAPTCHA_CODE"]))
return False;
if ($bUpperCode)
$userCode = strtoupper($userCode);
if ($_SESSION["CAPTCHA_CODE"][$sid] != $userCode)
return False;
unset($_SESSION["CAPTCHA_CODE"][$sid]);
return True;
}
function CheckCodeCrypt($userCode, $codeCrypt, $password = "", $bUpperCode = True)
{
if (!defined("CAPTCHA_COMPATIBILITY"))
return CCaptcha::CheckCaptchaCode($userCode, $codeCrypt, $bUpperCode);
if (strlen($codeCrypt) <= 0)
return False;
if (!array_key_exists("CAPTCHA_PASSWORD", $_SESSION) || strlen($_SESSION["CAPTCHA_PASSWORD"]) <= 0)
return False;
if ($bUpperCode)
$userCode = strtoupper($userCode);
$code = $this->CryptData($codeCrypt, "D", $_SESSION["CAPTCHA_PASSWORD"]);
if ($code != $userCode)
return False;
return True;
}
function CryptData($data, $type, $pwdString)
{
$type = strtoupper($type);
if ($type != "D")
$type = "E";
$res_data = "";
if ($type == 'D')
$data = base64_decode(urldecode($data));
$key[] = "";
$box[] = "";
$temp_swap = "";
$pwdLength = strlen($pwdString);
for ($i = 0; $i <= 255; $i++)
{
$key[$i] = ord(substr($pwdString, ($i % $pwdLength), 1));
$box[$i] = $i;
}
$x = 0;
for ($i = 0; $i <= 255; $i++)
{
$x = ($x + $box[$i] + $key[$i]) % 256;
$temp_swap = $box[$i];
$box[$i] = $box[$x];
$box[$x] = $temp_swap;
}
$temp = "";
$k = "";
$cipherby = "";
$cipher = "";
$a = 0;
$j = 0;
for ($i = 0; $i < strlen($data); $i++)
{
$a = ($a + 1) % 256;
$j = ($j + $box[$a]) % 256;
$temp = $box[$a];
$box[$a] = $box[$j];
$box[$j] = $temp;
$k = $box[(($box[$a] + $box[$j]) % 256)];
$cipherby = ord(substr($data, $i, 1)) ^ $k;
$cipher .= chr($cipherby);
}
if ($type == 'D')
$res_data = urldecode(urlencode($cipher));
else
$res_data = urlencode(base64_encode($cipher));
return $res_data;
}
function Add($arFields)
{
global $DB;
if (!is_set($arFields, "CODE") || strlen($arFields["CODE"])<= 0)
return false;
if (!is_set($arFields, "ID") || strlen($arFields["ID"])<= 0)
$arFields["ID"] = md5( uniqid(microtime()));
if (!is_set($arFields, "IP") || strlen($arFields["IP"])<= 0)
$arFields["IP"] = $_SERVER["REMOTE_ADDR"];
if (!is_set($arFields, "DATE_CREATE") || strlen($arFields["DATE_CREATE"])<=0 || !$DB->IsDate($arFields["DATE_CREATE"], false, LANG, "FULL"))
$arFields["DATE_CREATE"] = ConvertTimeStamp(false,"FULL");
$arInsert = $DB->PrepareInsert("b_captcha", $arFields);
if (!$DB->Query("INSERT INTO b_captcha (".$arInsert[0].") VALUES (".$arInsert[1].")", true));
return false;
return $arFields["ID"];
}
function Delete($sid)
{
global $DB;
if (!$DB->Query("DELETE FROM b_captcha WHERE ID='".$DB->ForSQL($sid)."' "))
return false;
return true;
}
}
}
?>