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author | brettp <brettp@36083f99-b078-4883-b0ff-0f9b5a30f544> | 2010-03-03 17:53:05 +0000 |
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committer | brettp <brettp@36083f99-b078-4883-b0ff-0f9b5a30f544> | 2010-03-03 17:53:05 +0000 |
commit | 4766f36a4d74924f21ff329c4318ce4e069ffa04 (patch) | |
tree | 969b84632f2a8b0db79788a8a6db8e41d63e5cb4 /mod/captcha/captcha.php | |
parent | 57a217fd6b708844407486046a1faa23b46cac08 (diff) | |
download | elgg-4766f36a4d74924f21ff329c4318ce4e069ffa04.tar.gz elgg-4766f36a4d74924f21ff329c4318ce4e069ffa04.tar.bz2 |
Pulled in the interface changes.
git-svn-id: http://code.elgg.org/elgg/trunk@5257 36083f99-b078-4883-b0ff-0f9b5a30f544
Diffstat (limited to 'mod/captcha/captcha.php')
-rw-r--r-- | mod/captcha/captcha.php | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/mod/captcha/captcha.php b/mod/captcha/captcha.php new file mode 100644 index 000000000..0947940ec --- /dev/null +++ b/mod/captcha/captcha.php @@ -0,0 +1,41 @@ +<?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 2008-2010 + * @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); + } +?>
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