X-Git-Url: https://git.p6c8.net/form-email.git/blobdiff_plain/d30a679aaebd16d4bef1f883f0ab63fbf1c2ecb2..2ed757f514862fe67ac1c77af781b6bee3aeb388:/form-email/captcha.php

diff --git a/form-email/captcha.php b/form-email/captcha.php
index f796b46..2672cc3 100644
--- a/form-email/captcha.php
+++ b/form-email/captcha.php
@@ -1,109 +1,101 @@
 <?php
 
 #
-# Form E-Mail 3.4.1 - captcha.php
+# Form E-Mail 3.5 - captcha.php
 #
 # Generieren eines Captcha-Bilds
 #
 # Autor:            Patrick Canterino <patrick@patshaping.de>
-# Letzte Aenderung: 11.1.2009
+# Letzte Aenderung: 7.11.2011
 #
 # Copyright (C) 2002-2011 Patrick Canterino
 #
-# Diese Datei kann unter den Bedingungen der "Artistic License 1.0"
+# Diese Datei kann unter den Bedingungen der "Artistic License 2.0"
 # weitergegeben und / oder veraendert werden.
 # Siehe:
-# http://www.opensource.org/licenses/artistic-license-1.0.php
+# http://www.opensource.org/licenses/artistic-license-2.0
 #
 
 require('config.php');
 require('functions.php');
 require('class.Template.php');
 
-if($captcha_enable)
-{
- session_start();
+if($captcha_enable) {
+    session_start();
 
- if($captcha_max && isset($_SESSION['captcha_failed']) && $_SESSION['captcha_failed'] >= $captcha_max)
- {
-  show_fatal($err_captcha_max);
- }
- else
- {
-  unset($_SESSION['captcha']);
+    if($captcha_max && isset($_SESSION['captcha_failed']) && $_SESSION['captcha_failed'] >= $captcha_max) {
+        show_fatal($err_captcha_max);
+    }
+    else {
+        unset($_SESSION['captcha']);
 
-  # Zufaellige Zeichenkette erzeugen
+        # Zufaellige Zeichenkette erzeugen
 
-  $captcha_string = '';
+        $captcha_string = '';
 
-  $x = 0;
-  srand();
+        $x = 0;
+        srand();
 
-  while($x<$captcha_length)
-  {
-   $rand = rand(0,strlen($captcha_possible)-1);
-   $captcha_string .= $captcha_possible[$rand];
+        while($x<$captcha_length) {
+            $rand = rand(0,strlen($captcha_possible)-1);
+            $captcha_string .= $captcha_possible[$rand];
 
-   $x++;
-  }
+            $x++;
+        }
 
-  $_SESSION['captcha'] = $captcha_string;
+        $_SESSION['captcha'] = $captcha_string;
 
-  # Ein Bild mit dem generierten Text erzeugen
+        # Ein Bild mit dem generierten Text erzeugen
 
-  if($captcha_image_bg && file_exists($captcha_image_bg))
-  {
-   # Es wurde ein Hintergrundbild angegeben
+        if($captcha_image_bg && file_exists($captcha_image_bg)) {
+            # Es wurde ein Hintergrundbild angegeben
 
-   $captcha_img = imagecreatefrompng($captcha_image_bg);
+            $captcha_img = imagecreatefrompng($captcha_image_bg);
 
-   $image_size = getimagesize($captcha_image_bg);
-   $captcha_width = $image_size[0];
-   $captcha_height = $image_size[1];
-  }
-  else
-  {
-   # Es wurde kein Hintergrundbild angegeben
+            $image_size = getimagesize($captcha_image_bg);
+            $captcha_width = $image_size[0];
+            $captcha_height = $image_size[1];
+        }
+        else {
+            # Es wurde kein Hintergrundbild angegeben
 
-   $captcha_img = imagecreate($captcha_width,$captcha_height);
-  }
+            $captcha_img = imagecreate($captcha_width,$captcha_height);
+        }
 
-  $white = imagecolorallocate($captcha_img,$captcha_color_bg[0],$captcha_color_bg[1],$captcha_color_bg[2]);
-  $black = imagecolorallocate($captcha_img,$captcha_color_text[0],$captcha_color_text[1],$captcha_color_text[2]);
+        $white = imagecolorallocate($captcha_img,$captcha_color_bg[0],$captcha_color_bg[1],$captcha_color_bg[2]);
+        $black = imagecolorallocate($captcha_img,$captcha_color_text[0],$captcha_color_text[1],$captcha_color_text[2]);
 
-  $angle = rand($captcha_angle[0],$captcha_angle[1]);
-  $t_x = rand($captcha_x[0],$captcha_y[1]);
-  $t_y = rand($captcha_y[0],$captcha_y[1]);
- 
-  imagettftext($captcha_img,$captcha_font_size,$angle,$t_x,$t_y,$black,$captcha_font,$captcha_string);
+        $angle = rand($captcha_angle[0],$captcha_angle[1]);
+        $t_x = rand($captcha_x[0],$captcha_y[1]);
+        $t_y = rand($captcha_y[0],$captcha_y[1]);
 
-  # Zufaellige Linien einfuegen
+        imagettftext($captcha_img,$captcha_font_size,$angle,$t_x,$t_y,$black,$captcha_font,$captcha_string);
 
-  $y = 0;
+        # Zufaellige Linien einfuegen
 
-  while($y<$captcha_lines)
-  {
-   $begin_x = rand(0,$captcha_width);
-   $begin_y = rand(0,$captcha_height);
-   $end_x = rand(0,$captcha_width);
-   $end_y = rand(0,$captcha_height);
+        $y = 0;
 
-   imageline($captcha_img,$begin_x,$begin_y,$end_x,$end_y,$black);
+        while($y<$captcha_lines) {
+            $begin_x = rand(0,$captcha_width);
+            $begin_y = rand(0,$captcha_height);
+            $end_x = rand(0,$captcha_width);
+            $end_y = rand(0,$captcha_height);
 
-   $y++;
-  }
+            imageline($captcha_img,$begin_x,$begin_y,$end_x,$end_y,$black);
 
-  # Bild ausgeben
+            $y++;
+        }
 
-  header('Content-type: image/png');
-  imagepng($captcha_img);
+        # Bild ausgeben
 
-  imagedestroy($captcha_img);
- }
+        header('Content-type: image/png');
+        imagepng($captcha_img);
+
+        imagedestroy($captcha_img);
+    }
 }
-else
-{
- show_fatal($err_captcha_disabled);
+else {
+    show_fatal($err_captcha_disabled);
 }
 
 #