Merge commit 'cb346ff43a63f93ff5275502638c51a4653fac7d' as 'mod/captcha'

1 files changed, 34 insertions, 0 deletions

diff --git a/mod/captcha/captcha.php b/mod/captcha/captcha.php
new file mode 100644
index 000000000..085641c79
--- /dev/null
+++ b/mod/captcha/captcha.php
@@ -0,0 +1,34 @@
+<?php
+/**
+ * Elgg captcha plugin graphics file generator
+ * 
+ * @package ElggCaptcha
+ */
+
+$token = get_input('captcha_token');
+
+// 	Output captcha
+if ($token) { 
+	// Set correct header
+	header("Content-type: image/jpeg");
+
+	// Generate captcha
+	$captcha = captcha_generate_captcha($token);
+
+	// Pick a random background image
+	$n = rand(1, elgg_get_config('captcha_num_bg'));
+	$image = imagecreatefromjpeg(elgg_get_plugins_path() . "captcha/backgrounds/bg$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, elgg_get_plugins_path() . "captcha/fonts/1.ttf", $captcha);
+
+	// Output image
+	imagejpeg($image);
+
+	// Free memory
+	imagedestroy($image);
+}