401
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 1
<?php
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 2
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 3
/*
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 4
* Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
536
+ − 5
* Version 1.1.4 (Caoineag alpha 4)
+ − 6
* Copyright (C) 2006-2008 Dan Fuhry
401
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 7
* captcha.php - visual confirmation system used during registration
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 8
*
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 9
* This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 10
* as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 11
*
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 12
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 13
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 14
*/
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 15
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 16
/**
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 17
* A more complex captcha engine that relies on GD.
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 18
* @package Enano
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 19
* @subpackage User management
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 20
* @copyright 2007-2008 Dan Fuhry
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 21
* @copyright 2002-2008 phpBB Group
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 22
*/
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 23
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 24
class captcha_engine_potpourri extends captcha_base
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 25
{
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 26
var $captcha_config;
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 27
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 28
function __construct($sid, $r = false)
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 29
{
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 30
parent::__construct($sid, $r);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 31
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 32
$hex = Array('0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F');
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 33
$latticecolor = '#';
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 34
for ( $i = 0; $i < 6; $i++ )
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 35
$latticecolor .= $hex[mt_rand(0, 15)];
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 36
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 37
$this->captcha_config = array (
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 38
'width' => '350',
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 39
'height' => '90',
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 40
'background_color' => '#E5ECF9',
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 41
'jpeg' => '0',
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 42
'jpeg_quality' => '95',
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 43
'pre_letters' => '1',
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 44
'pre_letters_great' => '0',
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 45
'font' => '1',
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 46
'chess' => '2',
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 47
'ellipses' => '2',
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 48
'arcs' => '2',
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 49
'lines' => '2',
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 50
'image' => '0',
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 51
'gammacorrect' => '0.8',
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 52
'foreground_lattice_x' => (string)mt_rand(25, 30),
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 53
'foreground_lattice_y' => (string)mt_rand(25, 30),
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 54
'lattice_color' => $latticecolor,
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 55
);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 56
}
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 57
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 58
function make_image()
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 59
{
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 60
$code = $this->get_code();
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 61
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 62
// Prefs
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 63
$total_width = $this->captcha_config['width'];
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 64
$total_height = $this->captcha_config['height'];
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 65
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 66
$hex_bg_color = $this->get_rgb($this->captcha_config['background_color']);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 67
$bg_color = array();
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 68
$bg_color = explode(",", $hex_bg_color);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 69
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 70
$jpeg = $this->captcha_config['jpeg'];
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 71
$img_quality = $this->captcha_config['jpeg_quality'];
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 72
// Max quality is 95
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 73
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 74
$pre_letters = $this->captcha_config['pre_letters'];
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 75
$pre_letter_great = $this->captcha_config['pre_letters_great'];
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 76
$rnd_font = $this->captcha_config['font'];
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 77
$chess = $this->captcha_config['chess'];
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 78
$ellipses = $this->captcha_config['ellipses'];
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 79
$arcs = $this->captcha_config['arcs'];
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 80
$lines = $this->captcha_config['lines'];
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 81
$image = $this->captcha_config['image'];
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 82
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 83
$gammacorrect = $this->captcha_config['gammacorrect'];
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 84
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 85
$foreground_lattice_y = $this->captcha_config['foreground_lattice_y'];
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 86
$foreground_lattice_x = $this->captcha_config['foreground_lattice_x'];
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 87
$hex_lattice_color = $this->get_rgb($this->captcha_config['lattice_color']);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 88
$rgb_lattice_color = array();
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 89
$rgb_lattice_color = explode(",", $hex_lattice_color);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 90
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 91
$font_debug = false;
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 92
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 93
// Fonts and images init
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 94
if ($image)
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 95
{
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 96
$bg_imgs = array();
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 97
if ($img_dir = opendir(ENANO_ROOT.'/includes/captcha/pics/'))
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 98
{
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 99
while (true == ($file = @readdir($img_dir)))
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 100
{
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 101
if ((substr(strtolower($file), -3) == 'jpg') || (substr(strtolower($file), -3) == 'gif'))
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 102
{
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 103
$bg_imgs[] = $file;
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 104
}
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 105
}
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 106
closedir($img_dir);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 107
}
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 108
// Grab a random Background Image or set FALSE if none was found
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 109
$bg_img = ( count($bg_imgs) ) ? rand(0, (count($bg_imgs)-1)) : false;
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 110
}
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 111
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 112
$fonts = array();
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 113
if ($fonts_dir = opendir(ENANO_ROOT . '/includes/captcha/fonts/'))
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 114
{
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 115
while (true == ($file = @readdir($fonts_dir)))
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 116
{
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 117
if ((substr(strtolower($file), strlen($file)-3, strlen($file)) == 'ttf'))
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 118
{
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 119
$fonts[] = $file;
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 120
}
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 121
}
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 122
closedir($fonts_dir);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 123
} else {
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 124
die('Error reading directory: '.ENANO_ROOT.'/includes/captcha/fonts/');
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 125
}
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 126
$font = mt_rand(0, (count($fonts)-1));
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 127
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 128
// Generate
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 129
$image = ($this->gdVersion() >= 2) ? imagecreatetruecolor($total_width, $total_height) : imagecreate($total_width, $total_height);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 130
$background_color = imagecolorallocate($image, $bg_color[0], $bg_color[1], $bg_color[2]);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 131
imagefill($image, 0, 0, $background_color);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 132
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 133
// Generate backgrund
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 134
if ($chess == '1' || $chess == '2' && rand(0,1))
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 135
{
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 136
// Draw rectangles
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 137
for($i = 0; $i <= 8; $i++)
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 138
{
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 139
$rectanglecolor = imagecolorallocate($image, rand(100,200),rand(100,200),rand(100,200));
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 140
imagefilledrectangle($image, 0, 0, round($total_width-($total_width/8*$i)), round($total_height), $rectanglecolor);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 141
$rectanglecolor = imagecolorallocate($image, rand(100,200),rand(100,200),rand(100,200));
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 142
imagefilledrectangle($image, 0, 0, round($total_width-($total_width/8*$i)), round($total_height/2), $rectanglecolor);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 143
}
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 144
}
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 145
if ($ellipses == '1' || $ellipses == '2' && rand(0,1))
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 146
{
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 147
// Draw random ellipses
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 148
for ($i = 1; $i <= 60; $i++)
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 149
{
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 150
$ellipsecolor = imagecolorallocate($image, rand(100,250),rand(100,250),rand(100,250));
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 151
imagefilledellipse($image, round(rand(0, $total_width)), round(rand(0, $total_height)), round(rand(0, $total_width/8)), round(rand(0, $total_height/4)), $ellipsecolor);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 152
}
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 153
}
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 154
if ($arcs == '1' || $arcs == '2' && rand(0,1))
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 155
{
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 156
// Draw random partial ellipses
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 157
for ($i = 0; $i <= 30; $i++)
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 158
{
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 159
$linecolor = imagecolorallocate($image, rand(120,255),rand(120,255),rand(120,255));
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 160
$cx = round(rand(1, $total_width));
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 161
$cy = round(rand(1, $total_height));
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 162
$int_w = round(rand(1, $total_width/2));
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 163
$int_h = round(rand(1, $total_height));
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 164
imagearc($image, $cx, $cy, $int_w, $int_h, round(rand(0, 190)), round(rand(191, 360)), $linecolor);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 165
imagearc($image, $cx-1, $cy-1, $int_w, $int_h, round(rand(0, 190)), round(rand(191, 360)), $linecolor);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 166
}
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 167
}
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 168
if ($lines == '1' || $lines == '2' && rand(0,1))
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 169
{
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 170
// Draw random lines
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 171
for ($i = 0; $i <= 50; $i++)
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 172
{
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 173
$linecolor = imagecolorallocate($image, rand(120,255),rand(120,255),rand(120,255));
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 174
imageline($image, round(rand(1, $total_width*3)), round(rand(1, $total_height*5)), round(rand(1, $total_width/2)), round(rand(1, $total_height*2)), $linecolor);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 175
}
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 176
}
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 177
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 178
$text_color_array = array('255,51,0', '51,77,255', '204,51,102', '0,153,0', '255,166,2', '255,0,255', '255,0,0', '0,255,0', '0,0,255', '0,255,255');
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 179
shuffle($text_color_array);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 180
$pre_text_color_array = array('255,71,20', '71,20,224', '224,71,122', '20,173,20', '255,186,22', '25,25,25');
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 181
shuffle($pre_text_color_array);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 182
$white = imagecolorallocate($image, 255, 255, 255);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 183
$gray = imagecolorallocate($image, 100, 100, 100);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 184
$black = imagecolorallocate($image, 0, 0, 0);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 185
$lattice_color = imagecolorallocate($image, $rgb_lattice_color[0], $rgb_lattice_color[1], $rgb_lattice_color[2]);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 186
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 187
$x_char_position = (round(($total_width - 12) / strlen($code)) + mt_rand(-3, 5));
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 188
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 189
for ($i = 0; $i < strlen($code); $i++)
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 190
{
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 191
mt_srand((double)microtime()*1000000);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 192
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 193
$char = $code{$i};
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 194
$size = mt_rand(floor($total_height / 3.5), ceil($total_height / 2.8));
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 195
$font = ($rnd_font) ? rand(0, (count($fonts)-1)) : $font;
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 196
$angle = mt_rand(-30, 30);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 197
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 198
$char_pos = array();
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 199
$char_pos = imagettfbbox($size, $angle, ENANO_ROOT.'/includes/captcha/fonts/'.$fonts[$font], $char);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 200
$letter_width = abs($char_pos[0]) + abs($char_pos[4]);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 201
$letter_height = abs($char_pos[1]) + abs($char_pos[5]);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 202
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 203
$x_pos = ($x_char_position / 4) + ($i * $x_char_position);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 204
($i == strlen($code)-1 && $x_pos >= ($total_width - ($letter_width + 5))) ? $x_pos = ($total_width - ($letter_width + 5)) : '';
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 205
$y_pos = mt_rand(($size * 1.4 ), $total_height - ($size * 0.4));
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 206
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 207
// Pre letters
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 208
$size = ($pre_letter_great) ? $size + (2 * $pre_letters) : $size - (2 * $pre_letters);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 209
for ($count = 1; $count <= $pre_letters; $count++)
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 210
{
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 211
$pre_angle = $angle + mt_rand(-20, 20);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 212
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 213
$text_color = $pre_text_color_array[mt_rand(0,count($pre_text_color_array)-1)];
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 214
$text_color = explode(",", $text_color);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 215
$textcolor = imagecolorallocate($image, $text_color[0], $text_color[1], $text_color[2]);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 216
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 217
imagettftext($image, $size, $pre_angle, $x_pos, $y_pos-2, $white, ENANO_ROOT.'/includes/captcha/fonts/'.$fonts[$font], $char);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 218
imagettftext($image, $size, $pre_angle, $x_pos+2, $y_pos, $black, ENANO_ROOT.'/includes/captcha/fonts/'.$fonts[$font], $char);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 219
imagettftext($image, $size, $pre_angle, $x_pos+1, $y_pos-1, $textcolor, ENANO_ROOT.'/includes/captcha/fonts/'.$fonts[$font], $char);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 220
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 221
$size = ($pre_letter_great) ? $size - 2 : $size + 2;
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 222
}
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 223
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 224
// Final letters
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 225
$text_color = $text_color_array[mt_rand(0,count($text_color_array)-1)];
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 226
$text_color = explode(",", $text_color);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 227
$textcolor = imagecolorallocate($image, $text_color[0], $text_color[1], $text_color[2]);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 228
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 229
imagettftext($image, $size, $angle, $x_pos, $y_pos-2, $white, ENANO_ROOT.'/includes/captcha/fonts/'.$fonts[$font], $char);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 230
imagettftext($image, $size, $angle, $x_pos+2, $y_pos, $black, ENANO_ROOT.'/includes/captcha/fonts/'.$fonts[$font], $char);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 231
imagettftext($image, $size, $angle, $x_pos+1, $y_pos-1, $textcolor, ENANO_ROOT.'/includes/captcha/fonts/'.$fonts[$font], $char);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 232
}
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 233
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 234
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 235
($gammacorrect) ? imagegammacorrect($image, 1.0, $gammacorrect) : '';
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 236
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 237
// Generate a white lattice in foreground
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 238
if ($foreground_lattice_y)
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 239
{
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 240
// x lines
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 241
$ih = round($total_height / $foreground_lattice_y);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 242
for ($i = 0; $i <= $ih; $i++)
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 243
{
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 244
imageline($image, 0, $i*$foreground_lattice_y, $total_width, $i*$foreground_lattice_y, $lattice_color);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 245
}
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 246
}
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 247
if ($foreground_lattice_x)
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 248
{
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 249
// y lines
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 250
$iw = round($total_width / $foreground_lattice_x);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 251
for ($i = 0; $i <= $iw; $i++)
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 252
{
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 253
imageline($image, $i*$foreground_lattice_x, 0, $i*$foreground_lattice_x, $total_height, $lattice_color);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 254
}
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 255
}
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 256
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 257
// Font debug
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 258
if ($font_debug && !$rnd_font)
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 259
{
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 260
imagestring($image, 5, 2, 0, $fonts[$font], $white);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 261
imagestring($image, 5, 5, 0, $fonts[$font], $white);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 262
imagestring($image, 5, 4, 2, $fonts[$font], $gray);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 263
imagestring($image, 5, 3, 1, $fonts[$font], $black);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 264
}
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 265
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 266
// Display
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 267
header("Last-Modified: " . gmdate("D, d M Y H:i:s") ." GMT");
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 268
header("Pragma: no-cache");
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 269
header("Cache-Control: no-store, no-cache, max-age=0, must-revalidate");
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 270
(!$jpeg) ? header("Content-Type: image/png") : header("Content-Type: image/jpeg");
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 271
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 272
(!$jpeg) ? imagepng($image) : imagejpeg($image, '', $img_quality);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 273
imagedestroy($image);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 274
}
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 275
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 276
// Function get_rgb by Frank Burian
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 277
// http://www.phpfuncs.org/?content=show&id=46
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 278
function get_rgb($hex) {
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 279
$hex_array = array(0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 280
'A' => 10, 'B' => 11, 'C' => 12, 'D' => 13, 'E' => 14,
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 281
'F' => 15);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 282
$hex = str_replace('#', '', strtoupper($hex));
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 283
if (($length = strlen($hex)) == 3) {
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 284
$hex = $hex{0}.$hex{0}.$hex{1}.$hex{1}.$hex{2}.$hex{2};
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 285
$length = 6;
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 286
}
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 287
if ($length != 6 or strlen(str_replace(array_keys($hex_array), '', $hex)))
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 288
return NULL;
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 289
$rgb['r'] = $hex_array[$hex{0}] * 16 + $hex_array[$hex{1}];
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 290
$rgb['g'] = $hex_array[$hex{2}] * 16 + $hex_array[$hex{3}];
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 291
$rgb['b']= $hex_array[$hex{4}] * 16 + $hex_array[$hex{5}];
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 292
return $rgb['r'].','.$rgb['g'].','.$rgb['b'];
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
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+ − 293
}
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 294
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 295
// Function gdVersion by Hagan Fox
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 296
// http://de3.php.net/manual/en/function.gd-info.php#52481
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 297
function gdVersion($user_ver = 0)
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 298
{
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 299
if (! extension_loaded('gd')) { return; }
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 300
static $gd_ver = 0;
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 301
// Just accept the specified setting if it's 1.
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 302
if ($user_ver == 1) { $gd_ver = 1; return 1; }
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 303
// Use the static variable if function was called previously.
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 304
if ($user_ver !=2 && $gd_ver > 0 ) { return $gd_ver; }
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 305
// Use the gd_info() function if possible.
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 306
if (function_exists('gd_info')) {
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 307
$ver_info = gd_info();
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 308
preg_match('/\d/', $ver_info['GD Version'], $match);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 309
$gd_ver = $match[0];
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 310
return $match[0];
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 311
}
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 312
// If phpinfo() is disabled use a specified / fail-safe choice...
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 313
if (preg_match('/phpinfo/', ini_get('disable_functions'))) {
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 314
if ($user_ver == 2) {
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 315
$gd_ver = 2;
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 316
return 2;
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 317
} else {
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 318
$gd_ver = 1;
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 319
return 1;
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 320
}
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 321
}
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 322
// ...otherwise use phpinfo().
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 323
ob_start();
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 324
phpinfo(8);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 325
$info = ob_get_contents();
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 326
ob_end_clean();
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 327
$info = stristr($info, 'gd version');
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 328
preg_match('/\d/', $info, $match);
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 329
$gd_ver = $match[0];
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 330
return $match[0];
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 331
}
6ae6e387a0e3
Implemented a new CAPTCHA API; the frontend ($session->{make,get}_captcha) is API-compatible but the backend (the captcha class) is deprecated.
Dan
parents:
diff
changeset
+ − 332
}