Changeset 3445

Timestamp:

11/01/10 09:13:03 (13 years ago)

Author:

amuller

Message:

Ticket #990 - Correção na geração da imagem do Captcha

Location:

branches/2.2/security

Files:

• captcha.php (modified) (1 diff)
• captcha_images (deleted)

branches/2.2/security/captcha.php

@@ -91 +91 @@
       imagecolortransparent($image,$bgcolor);
 
+      function hex2int($image, $color) {
+              $string = str_replace("#","",$color);
+              $red = hexdec(substr($string,0,2));
+              $green = hexdec(substr($string,2,2));
+              $blue = hexdec(substr($string,4,2));
 
-      $src = imagecreatefrompng('captcha_images/img00'.rand(1,4).'.png');
+              $color_int = imagecolorallocate($image, $red, $green, $blue);
+              return($color_int);
+      }
+      // create a blank image
+      $src = imagecreatetruecolor(151, 37);
+
+      // fill the background color
+      imagefill($src, 0, 0, hex2int($src, "FFFFFF") );
+
+
+        /* Put some elipses */
+      for ($i=0; $i < 5; $i++)
+      {
+              $col_ellipse = imagecolorallocate($src, rand (60,255), rand(60,255), rand(60, 255));
+              imagefilledellipse($src, rand(1,150), rand(1,50), rand(10,30), rand(10,30), $col_ellipse);
+      }
+
+        /* Put some vertical lines*/
+      for ($i=0; $i < 5; $i++)
+      {
+              $xr = rand(0,130);
+              $yr = rand(0,40);
+              imagefilledrectangle($src, $xr, $yr, $xr+100, $yr+1, rand(0,255));
+      }
+
+        /*Put some horizontal lines*/
+      for ($i=0; $i < 5; $i++)
+      {
+              $xr = rand(0,130);
+              $yr = rand(0,40);
+              imagefilledrectangle($src, $xr, $yr, $xr+1, $yr+100, rand(0,255));
+      }
+
       imagecopymerge($image, $src, 0, 0, 0, 0, 151, 37, 25);