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-rw-r--r--mod/captcha/captcha.php41
1 files changed, 41 insertions, 0 deletions
diff --git a/mod/captcha/captcha.php b/mod/captcha/captcha.php
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+<?php
+ /**
+ * Elgg captcha plugin graphics file generator
+ *
+ * @package ElggCaptcha
+ * @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU Public License version 2
+ * @author Curverider Ltd
+ * @copyright Curverider Ltd 2008-2009
+ * @link http://elgg.com/
+ */
+
+ global $CONFIG;
+ $token = get_input('captcha_token');
+
+ // Output captcha
+ if ($token)
+ {
+ // Set correct header
+ header("Content-type: image/jpeg");
+
+ // Generate captcha
+ $captcha = captcha_generate_captcha($token);
+
+ // Pick a random background image
+ $n = rand(1, $CONFIG->captcha_num_bg);
+ $image = imagecreatefromjpeg($CONFIG->pluginspath . "captcha/backgrounds/bg$n.jpg");
+
+ // Create a colour (black so its not a simple matter of masking out one colour and ocring the rest)
+ $colour = imagecolorallocate($image, 0,0,0);
+
+ // Write captcha to image
+ //imagestring($image, 5, 30, 4, $captcha, $black);
+ imagettftext($image, 30, 0, 10, 30, $colour, $CONFIG->pluginspath . "captcha/fonts/1.ttf", $captcha);
+
+ // Output image
+ imagejpeg($image);
+
+ // Free memory
+ imagedestroy($image);
+ }
+?> \ No newline at end of file