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Revision 1371

Added by Dietmar over 13 years ago

captcha patch (Tks to FrankH)

View differences:

branches/2.8.x/CHANGELOG
11 11
! = Update/Change
12 12

  
13 13
------------------------------------- 2.8.2 -------------------------------------
14
09 Jan-2011 Build 1371 Dietmar Woellbrink (Luisehahne)
15
# captcha patch (Tks to FrankH)
14 16
09 Jan-2011 Build 1370 Dietmar Woellbrink (Luisehahne)
15 17
! update install, changed some default settings to enabled
16 18
06 Jan-2011 Build 1369 Dietmar Woellbrink (Luisehahne)
branches/2.8.x/wb/include/captcha/captchas/ttf_image.php
1
<?php
2

  
3
// $Id$
4

  
5
/*
6

  
7
 Website Baker Project <http://www.websitebaker.org/>
8
 Copyright (C) 2004-2009, Ryan Djurovich
9

  
10
 Website Baker is free software; you can redistribute it and/or modify
11
 it under the terms of the GNU General Public License as published by
12
 the Free Software Foundation; either version 2 of the License, or
13
 (at your option) any later version.
14

  
15
 Website Baker is distributed in the hope that it will be useful,
16
 but WITHOUT ANY WARRANTY; without even the implied warranty of
17
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18
 GNU General Public License for more details.
19

  
20
 You should have received a copy of the GNU General Public License
21
 along with Website Baker; if not, write to the Free Software
22
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
23

  
24
*/
25

  
26
require_once("../../../config.php");
27
require_once(WB_PATH.'/include/captcha/captcha.php');
28

  
29
if(!isset($_SESSION['captcha_time']))
30
	exit;
31
unset($_SESSION['captcha_time']);
32

  
33
// get lists of fonts and backgrounds
34
require_once(WB_PATH.'/framework/functions.php');
35
$t_fonts = file_list(WB_PATH.'/include/captcha/fonts');
36
$t_bgs = file_list(WB_PATH.'/include/captcha/backgrounds');
37
$fonts = array();
38
$bgs = array();
39
foreach($t_fonts as $file) { if(preg_match('/\.ttf/',$file)) { $fonts[]=$file; } }
40
foreach($t_bgs as $file) { if(preg_match('/\.png/',$file)) { $bgs[]=$file; } }
41

  
42
// make random string
43
if(!function_exists('randomString')) {
44
	function randomString($len) {
45
		list($usec, $sec) = explode(' ', microtime());
46
		mt_srand((float)$sec + ((float)$usec * 100000));
47
		//$possible="ABCDEFGHJKLMNPRSTUVWXYZabcdefghkmnpqrstuvwxyz23456789";
48
		$possible="abdfhkrsvwxz23456789";
49
		$str="";
50
		while(strlen($str)<$len) {
51
			$str.=substr($possible,(mt_rand()%(strlen($possible))),1);
52
		}
53
		return($str);
54
	}
55
}
56
$text = randomString(5); // number of characters
57
$_SESSION['captcha'] = $text; 
58

  
59
// choose a font and background
60
$font = $fonts[array_rand($fonts)];
61
$bg = $bgs[array_rand($bgs)];
62
// get image-dimensions
63
list($width, $height, $type, $attr) = getimagesize($bg);
64

  
65
// create reload-image
66
$reload = ImageCreateFromPNG(WB_PATH.'/include/captcha/reload_140_40.png'); // reload-overlay
67

  
68
if(mt_rand(0,2)==0) { // 1 out of 3
69

  
70
	// draw each character individualy
71
	$image = ImageCreateFromPNG($bg); // background image
72
	$grey = mt_rand(0,50);
73
	$color = ImageColorAllocate($image, $grey, $grey, $grey); // font-color
74
	$ttf = $font;
75
	$ttfsize = 25; // fontsize
76
	$count = 0;
77
	$image_failed = true;
78
	$angle = mt_rand(-15,15);
79
	$x = mt_rand(10,25);
80
	$y = mt_rand($height-10,$height-2);
81
	do {
82
		for($i=0;$i<strlen($text);$i++) {
83
			$res = imagettftext($image, $ttfsize, $angle, $x, $y, $color, $ttf, $text{$i});
84
			$angle = mt_rand(-15,15);
85
			$x = mt_rand($res[4],$res[4]+10);
86
			$y = mt_rand($height-15,$height-5);
87
		}
88
		if($res[4] > $width) {
89
			$image_failed = true;
90
		} else {
91
			$image_failed = false;
92
		}
93
		if(++$count > 4) // too many tries! Use the image
94
			break;
95
	} while($image_failed);
96
	
97
} else {
98
	
99
	// draw whole string at once
100
	$image_failed = true;
101
	$count=0;
102
	do {
103
		$image = ImageCreateFromPNG($bg); // background image
104
		$grey = mt_rand(0,50);
105
		$color = ImageColorAllocate($image, $grey, $grey, $grey); // font-color
106
		$ttf = $font;
107
		$ttfsize = 25; // fontsize
108
		$angle = mt_rand(0,5);
109
		$x = mt_rand(5,30);
110
		$y = mt_rand($height-10,$height-2);
111
		$res = imagettftext($image, $ttfsize, $angle, $x, $y, $color, $ttf, $text);
112
		// check if text fits into the image
113
		if(($res[0]>0 && $res[0]<$width) && ($res[1]>0 && $res[1]<$height) && 
114
			 ($res[2]>0 && $res[2]<$width) && ($res[3]>0 && $res[3]<$height) && 
115
			 ($res[4]>0 && $res[4]<$width) && ($res[5]>0 && $res[5]<$height) && 
116
			 ($res[6]>0 && $res[6]<$width) && ($res[7]>0 && $res[7]<$height)
117
		) {
118
			$image_failed = false;
119
		}
120
		if(++$count > 4) // too many tries! Use the image
121
			break;
122
	} while($image_failed);
123
	
124
}
125

  
126
imagealphablending($reload, TRUE);
127
imagesavealpha($reload, TRUE);
128

  
129
// overlay
130
imagecopy($reload, $image, 0,0,0,0, 140,40);
131
imagedestroy($image);
132
$image = $reload;
133

  
134
captcha_header();
135
ob_start();
136
imagepng($image);
137
header("Content-Length: ".ob_get_length()); 
138
ob_end_flush();
139
imagedestroy($image);
140

  
1
<?php
2

  
3
// $Id$
4

  
5
/*
6

  
7
 Website Baker Project <http://www.websitebaker.org/>
8
 Copyright (C) 2004-2009, Ryan Djurovich
9

  
10
 Website Baker is free software; you can redistribute it and/or modify
11
 it under the terms of the GNU General Public License as published by
12
 the Free Software Foundation; either version 2 of the License, or
13
 (at your option) any later version.
14

  
15
 Website Baker is distributed in the hope that it will be useful,
16
 but WITHOUT ANY WARRANTY; without even the implied warranty of
17
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18
 GNU General Public License for more details.
19

  
20
 You should have received a copy of the GNU General Public License
21
 along with Website Baker; if not, write to the Free Software
22
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
23

  
24
*/
25

  
26
require_once("../../../config.php");
27
require_once(WB_PATH.'/include/captcha/captcha.php');
28

  
29
if(!isset($_SESSION['captcha_time']))
30
	exit;
31
//unset($_SESSION['captcha_time']);
32

  
33
// get lists of fonts and backgrounds
34
require_once(WB_PATH.'/framework/functions.php');
35
$t_fonts = file_list(WB_PATH.'/include/captcha/fonts');
36
$t_bgs = file_list(WB_PATH.'/include/captcha/backgrounds');
37
$fonts = array();
38
$bgs = array();
39
foreach($t_fonts as $file) if(eregi('\.ttf$',$file)) $fonts[]=$file;
40
foreach($t_bgs as $file) if(eregi('\.png$',$file)) $bgs[]=$file;
41

  
42
// make random string
43
if(!function_exists('randomString')) {
44
	function randomString($len) {
45
		list($usec, $sec) = explode(' ', microtime());
46
		mt_srand((float)$sec + ((float)$usec * 100000));
47
		//$possible="ABCDEFGHJKLMNPRSTUVWXYZabcdefghkmnpqrstuvwxyz23456789";
48
		$possible="abdfhkrsvwxz23456789";
49
		$str="";
50
		while(strlen($str)<$len) {
51
			$str.=substr($possible,(mt_rand()%(strlen($possible))),1);
52
		}
53
		return($str);
54
	}
55
}
56
$text = randomString(5); // number of characters
57

  
58
$sec_id = '';
59
if(isset($_GET['s'])) $sec_id = $_GET['s'];
60
$_SESSION['captcha'.$sec_id] = $text;
61

  
62
// choose a font and background
63
$font = $fonts[array_rand($fonts)];
64
$bg = $bgs[array_rand($bgs)];
65
// get image-dimensions
66
list($width, $height, $type, $attr) = getimagesize($bg);
67

  
68
// create reload-image
69
$reload = ImageCreateFromPNG(WB_PATH.'/include/captcha/reload_140_40.png'); // reload-overlay
70

  
71
if(mt_rand(0,2)==0) { // 1 out of 3
72

  
73
	// draw each character individualy
74
	$image = ImageCreateFromPNG($bg); // background image
75
	$grey = mt_rand(0,50);
76
	$color = ImageColorAllocate($image, $grey, $grey, $grey); // font-color
77
	$ttf = $font;
78
	$ttfsize = 25; // fontsize
79
	$count = 0;
80
	$image_failed = true;
81
	$angle = mt_rand(-15,15);
82
	$x = mt_rand(10,25);
83
	$y = mt_rand($height-10,$height-2);
84
	do {
85
		for($i=0;$i<strlen($text);$i++) {
86
			$res = imagettftext($image, $ttfsize, $angle, $x, $y, $color, $ttf, $text{$i});
87
			$angle = mt_rand(-15,15);
88
			$x = mt_rand($res[4],$res[4]+10);
89
			$y = mt_rand($height-15,$height-5);
90
		}
91
		if($res[4] > $width) {
92
			$image_failed = true;
93
		} else {
94
			$image_failed = false;
95
		}
96
		if(++$count > 4) // too many tries! Use the image
97
			break;
98
	} while($image_failed);
99
	
100
} else {
101
	
102
	// draw whole string at once
103
	$image_failed = true;
104
	$count=0;
105
	do {
106
		$image = ImageCreateFromPNG($bg); // background image
107
		$grey = mt_rand(0,50);
108
		$color = ImageColorAllocate($image, $grey, $grey, $grey); // font-color
109
		$ttf = $font;
110
		$ttfsize = 25; // fontsize
111
		$angle = mt_rand(0,5);
112
		$x = mt_rand(5,30);
113
		$y = mt_rand($height-10,$height-2);
114
		$res = imagettftext($image, $ttfsize, $angle, $x, $y, $color, $ttf, $text);
115
		// check if text fits into the image
116
		if(($res[0]>0 && $res[0]<$width) && ($res[1]>0 && $res[1]<$height) && 
117
			 ($res[2]>0 && $res[2]<$width) && ($res[3]>0 && $res[3]<$height) && 
118
			 ($res[4]>0 && $res[4]<$width) && ($res[5]>0 && $res[5]<$height) && 
119
			 ($res[6]>0 && $res[6]<$width) && ($res[7]>0 && $res[7]<$height)
120
		) {
121
			$image_failed = false;
122
		}
123
		if(++$count > 4) // too many tries! Use the image
124
			break;
125
	} while($image_failed);
126
	
127
}
128

  
129
imagealphablending($reload, TRUE);
130
imagesavealpha($reload, TRUE);
131

  
132
// overlay
133
imagecopy($reload, $image, 0,0,0,0, 140,40);
134
imagedestroy($image);
135
$image = $reload;
136

  
137
captcha_header();
138
ob_start();
139
imagepng($image);
140
header("Content-Length: ".ob_get_length()); 
141
ob_end_flush();
142
imagedestroy($image);
143

  
141 144
?>
branches/2.8.x/wb/include/captcha/captchas/old_image.php
28 28

  
29 29
if(!isset($_SESSION['captcha_time']))
30 30
	exit;
31
unset($_SESSION['captcha_time']);
31
//unset($_SESSION['captcha_time']);
32 32

  
33 33
// Captcha
34 34
srand((double)microtime()*100000);
35
$_SESSION['captcha'] = rand(10000,99999);
35
$sec_id = '';
36
if(isset($_GET['s'])) $sec_id = $_GET['s'];
37
$_SESSION['captcha'.$sec_id] = rand(10000,99999);
36 38

  
37 39
// create reload-image
38 40
$reload = ImageCreateFromPNG(WB_PATH.'/include/captcha/reload_120_30.png'); // reload-overlay
......
58 60
	$fnt = rand(3,5);
59 61
	$x = $x + rand(12 , 20);
60 62
	$y = rand(7 , 12); 
61
	imagestring($image, $fnt, $x, $y, substr($_SESSION['captcha'], $i, 1), $darkgray); 
63
	imagestring($image, $fnt, $x, $y, substr($_SESSION['captcha'.$sec_id], $i, 1), $darkgray); 
62 64
}
63 65

  
64 66
imagealphablending($reload, TRUE);
branches/2.8.x/wb/include/captcha/captchas/calc_ttf_image.php
1
<?php
2

  
3
// $Id$
4

  
5
/*
6

  
7
 Website Baker Project <http://www.websitebaker.org/>
8
 Copyright (C) 2004-2009, Ryan Djurovich
9

  
10
 Website Baker is free software; you can redistribute it and/or modify
11
 it under the terms of the GNU General Public License as published by
12
 the Free Software Foundation; either version 2 of the License, or
13
 (at your option) any later version.
14

  
15
 Website Baker is distributed in the hope that it will be useful,
16
 but WITHOUT ANY WARRANTY; without even the implied warranty of
17
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18
 GNU General Public License for more details.
19

  
20
 You should have received a copy of the GNU General Public License
21
 along with Website Baker; if not, write to the Free Software
22
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
23

  
24
*/
25

  
26
require_once("../../../config.php");
27
require_once(WB_PATH.'/include/captcha/captcha.php');
28

  
29
if(!isset($_SESSION['captcha_time']))
30
	exit;
31
unset($_SESSION['captcha_time']);
32

  
33
// get lists of fonts and backgrounds
34
require_once(WB_PATH.'/framework/functions.php');
35
$t_fonts = file_list(WB_PATH.'/include/captcha/fonts');
36
$t_bgs = file_list(WB_PATH.'/include/captcha/backgrounds');
37
$fonts = array();
38
$bgs = array();
39
foreach($t_fonts as $file) { if(preg_match('/\.ttf/',$file)) { $fonts[]=$file; } }
40
foreach($t_bgs as $file) { if(preg_match('/\.png/',$file)) { $bgs[]=$file; } }
41

  
42
// Captcha
43
$_SESSION['captcha'] = '';
44
mt_srand((double)microtime()*1000000);
45
$n = mt_rand(1,3);
46
switch ($n) {
47
	case 1:
48
		$x = mt_rand(1,9);
49
		$y = mt_rand(1,9);
50
		$_SESSION['captcha'] = $x + $y;
51
		$cap = "$x+$y"; 
52
		break; 
53
	case 2:
54
		$x = mt_rand(10,20);
55
		$y = mt_rand(1,9);
56
		$_SESSION['captcha'] = $x - $y; 
57
		$cap = "$x-$y"; 
58
		break;
59
	case 3:
60
		$x = mt_rand(2,10);
61
		$y = mt_rand(2,5);
62
		$_SESSION['captcha'] = $x * $y; 
63
		$cap = "$x*$y"; 
64
		break;
65
}
66
$text = $cap;
67

  
68
// choose a font and background
69
$font = $fonts[array_rand($fonts)];
70
$bg = $bgs[array_rand($bgs)];
71
// get image-dimensions
72
list($width, $height, $type, $attr) = getimagesize($bg);
73

  
74
// create reload-image
75
$reload = ImageCreateFromPNG(WB_PATH.'/include/captcha/reload_140_40.png'); // reload-overlay
76

  
77
if(mt_rand(0,2)==0) { // 1 out of 3
78

  
79
	// draw each character individualy
80
	$image = ImageCreateFromPNG($bg); // background image
81
	$grey = mt_rand(0,50);
82
	$color = ImageColorAllocate($image, $grey, $grey, $grey); // font-color
83
	$ttf = $font;
84
	$ttfsize = 25; // fontsize
85
	$count = 0;
86
	$image_failed = true;
87
	$angle = mt_rand(-10,10);
88
	$x = mt_rand(20,35);
89
	$y = mt_rand($height-10,$height-2);
90
	do {
91
		for($i=0;$i<strlen($text);$i++) {
92
			$res = imagettftext($image, $ttfsize, $angle, $x, $y, $color, $ttf, $text{$i});
93
			$angle = mt_rand(-10,10);
94
			$x = mt_rand($res[4],$res[4]+10);
95
			$y = mt_rand($height-12,$height-7);
96
		}
97
		if($res[4] > $width) {
98
			$image_failed = true;
99
		} else {
100
			$image_failed = false;
101
		}
102
		if(++$count > 4) // too many tries! Use the image
103
			break;
104
	} while($image_failed);
105
	
106
} else {
107
	
108
	// draw whole string at once
109
	$image_failed = true;
110
	$count=0;
111
	do {
112
		$image = ImageCreateFromPNG($bg); // background image
113
		$grey = mt_rand(0,50);
114
		$color = ImageColorAllocate($image, $grey, $grey, $grey); // font-color
115
		$ttf = $font;
116
		$ttfsize = 25; // fontsize
117
		$angle = mt_rand(0,5);
118
		$x = mt_rand(20,35);
119
		$y = mt_rand($height-10,$height-2);
120
		$res = imagettftext($image, $ttfsize, $angle, $x, $y, $color, $ttf, $text);
121
		// check if text fits into the image
122
		if(($res[0]>0 && $res[0]<$width) && ($res[1]>0 && $res[1]<$height) && 
123
			 ($res[2]>0 && $res[2]<$width) && ($res[3]>0 && $res[3]<$height) && 
124
			 ($res[4]>0 && $res[4]<$width) && ($res[5]>0 && $res[5]<$height) && 
125
			 ($res[6]>0 && $res[6]<$width) && ($res[7]>0 && $res[7]<$height)
126
		) {
127
			$image_failed = false;
128
		}
129
		if(++$count > 4) // too many tries! Use the image
130
			break;
131
	} while($image_failed);
132
	
133
}
134

  
135
imagealphablending($reload, TRUE);
136
imagesavealpha($reload, TRUE);
137

  
138
// overlay
139
imagecopy($reload, $image, 0,0,0,0, 140,40);
140
imagedestroy($image);
141
$image = $reload;
142

  
143
captcha_header();
144
ob_start();
145
imagepng($image);
146
header("Content-Length: ".ob_get_length()); 
147
ob_end_flush();
148
imagedestroy($image);
149

  
1
<?php
2

  
3
// $Id$
4

  
5
/*
6

  
7
 Website Baker Project <http://www.websitebaker.org/>
8
 Copyright (C) 2004-2009, Ryan Djurovich
9

  
10
 Website Baker is free software; you can redistribute it and/or modify
11
 it under the terms of the GNU General Public License as published by
12
 the Free Software Foundation; either version 2 of the License, or
13
 (at your option) any later version.
14

  
15
 Website Baker is distributed in the hope that it will be useful,
16
 but WITHOUT ANY WARRANTY; without even the implied warranty of
17
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18
 GNU General Public License for more details.
19

  
20
 You should have received a copy of the GNU General Public License
21
 along with Website Baker; if not, write to the Free Software
22
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
23

  
24
*/
25

  
26
require_once("../../../config.php");
27
require_once(WB_PATH.'/include/captcha/captcha.php');
28

  
29
if(!isset($_SESSION['captcha_time']))
30
	exit;
31
//unset($_SESSION['captcha_time']);		// otherwise there can't be 2 captchas on one page!
32

  
33
// get lists of fonts and backgrounds
34
require_once(WB_PATH.'/framework/functions.php');
35
$t_fonts = file_list(WB_PATH.'/include/captcha/fonts');
36
$t_bgs = file_list(WB_PATH.'/include/captcha/backgrounds');
37
$fonts = array();
38
$bgs = array();
39
foreach($t_fonts as $file) if(eregi('\.ttf$',$file)) $fonts[]=$file;
40
foreach($t_bgs as $file) if(eregi('\.png$',$file)) $bgs[]=$file;
41

  
42
// Captcha
43
$sec_id = '';
44
if(isset($_GET['s'])) $sec_id = $_GET['s'];
45
$_SESSION['captcha'.$sec_id] = '';
46
mt_srand((double)microtime()*1000000);
47
$n = mt_rand(1,3);
48
switch ($n) {
49
	case 1:
50
		$x = mt_rand(1,9);
51
		$y = mt_rand(1,9);
52
		$_SESSION['captcha'.$sec_id] = $x + $y;
53
		$cap = "$x+$y"; 
54
		break; 
55
	case 2:
56
		$x = mt_rand(10,20);
57
		$y = mt_rand(1,9);
58
		$_SESSION['captcha'.$sec_id] = $x - $y; 
59
		$cap = "$x-$y"; 
60
		break;
61
	case 3:
62
		$x = mt_rand(2,10);
63
		$y = mt_rand(2,5);
64
		$_SESSION['captcha'.$sec_id] = $x * $y; 
65
		$cap = "$x*$y"; 
66
		break;
67
}
68
$text = $cap;
69

  
70
// choose a font and background
71
$font = $fonts[array_rand($fonts)];
72
$bg = $bgs[array_rand($bgs)];
73
// get image-dimensions
74
list($width, $height, $type, $attr) = getimagesize($bg);
75

  
76
// create reload-image
77
$reload = ImageCreateFromPNG(WB_PATH.'/include/captcha/reload_140_40.png'); // reload-overlay
78

  
79
if(mt_rand(0,2)==0) { // 1 out of 3
80

  
81
	// draw each character individualy
82
	$image = ImageCreateFromPNG($bg); // background image
83
	$grey = mt_rand(0,50);
84
	$color = ImageColorAllocate($image, $grey, $grey, $grey); // font-color
85
	$ttf = $font;
86
	$ttfsize = 25; // fontsize
87
	$count = 0;
88
	$image_failed = true;
89
	$angle = mt_rand(-10,10);
90
	$x = mt_rand(20,35);
91
	$y = mt_rand($height-10,$height-2);
92
	do {
93
		for($i=0;$i<strlen($text);$i++) {
94
			$res = imagettftext($image, $ttfsize, $angle, $x, $y, $color, $ttf, $text{$i});
95
			$angle = mt_rand(-10,10);
96
			$x = mt_rand($res[4],$res[4]+10);
97
			$y = mt_rand($height-12,$height-7);
98
		}
99
		if($res[4] > $width) {
100
			$image_failed = true;
101
		} else {
102
			$image_failed = false;
103
		}
104
		if(++$count > 4) // too many tries! Use the image
105
			break;
106
	} while($image_failed);
107
	
108
} else {
109
	
110
	// draw whole string at once
111
	$image_failed = true;
112
	$count=0;
113
	do {
114
		$image = ImageCreateFromPNG($bg); // background image
115
		$grey = mt_rand(0,50);
116
		$color = ImageColorAllocate($image, $grey, $grey, $grey); // font-color
117
		$ttf = $font;
118
		$ttfsize = 25; // fontsize
119
		$angle = mt_rand(0,5);
120
		$x = mt_rand(20,35);
121
		$y = mt_rand($height-10,$height-2);
122
		$res = imagettftext($image, $ttfsize, $angle, $x, $y, $color, $ttf, $text);
123
		// check if text fits into the image
124
		if(($res[0]>0 && $res[0]<$width) && ($res[1]>0 && $res[1]<$height) && 
125
			 ($res[2]>0 && $res[2]<$width) && ($res[3]>0 && $res[3]<$height) && 
126
			 ($res[4]>0 && $res[4]<$width) && ($res[5]>0 && $res[5]<$height) && 
127
			 ($res[6]>0 && $res[6]<$width) && ($res[7]>0 && $res[7]<$height)
128
		) {
129
			$image_failed = false;
130
		}
131
		if(++$count > 4) // too many tries! Use the image
132
			break;
133
	} while($image_failed);
134
	
135
}
136

  
137
imagealphablending($reload, TRUE);
138
imagesavealpha($reload, TRUE);
139

  
140
// overlay
141
imagecopy($reload, $image, 0,0,0,0, 140,40);
142
imagedestroy($image);
143
$image = $reload;
144

  
145
captcha_header();
146
ob_start();
147
imagepng($image);
148
header("Content-Length: ".ob_get_length()); 
149
ob_end_flush();
150
imagedestroy($image);
151

  
150 152
?>
branches/2.8.x/wb/include/captcha/captchas/calc_image.php
28 28

  
29 29
if(!isset($_SESSION['captcha_time']))
30 30
	exit;
31
unset($_SESSION['captcha_time']);
31
//unset($_SESSION['captcha_time']);
32 32

  
33 33
// Captcha
34
$_SESSION['captcha'] = '';
34
$sec_id = '';
35
if(isset($_GET['s'])) $sec_id = $_GET['s'];
36
$_SESSION['captcha'.$sec_id] = '';
35 37
mt_srand((double)microtime()*1000000);
36 38
$n = mt_rand(1,3);
37 39
switch ($n) {
38 40
	case 1:
39 41
		$x = mt_rand(1,9);
40 42
		$y = mt_rand(1,9);
41
		$_SESSION['captcha'] = $x + $y;
43
		$_SESSION['captcha'.$sec_id] = $x + $y;
42 44
		$cap = "$x+$y"; 
43 45
		break; 
44 46
	case 2:
45 47
		$x = mt_rand(10,20);
46 48
		$y = mt_rand(1,9);
47
		$_SESSION['captcha'] = $x - $y; 
49
		$_SESSION['captcha'.$sec_id] = $x - $y; 
48 50
		$cap = "$x-$y"; 
49 51
		break;
50 52
	case 3:
51 53
		$x = mt_rand(2,10);
52 54
		$y = mt_rand(2,5);
53
		$_SESSION['captcha'] = $x * $y; 
55
		$_SESSION['captcha'.$sec_id] = $x * $y; 
54 56
		$cap = "$x*$y"; 
55 57
		break;
56 58
}
branches/2.8.x/wb/include/captcha/captchas/text.php
31 31
$file = WB_PATH."/temp/.captcha_$name.php";
32 32

  
33 33
srand((double)microtime()*100000);
34
$_SESSION['captcha'] = rand(0,99999);
34
$_SESSION['captcha'.$sec_id] = rand(0,99999);
35 35

  
36 36
// get questions and answers
37 37
$text_qa='';
......
90 90
// choose random question
91 91
$k = array_rand($qa[$lang]);
92 92

  
93
$_SESSION['captcha'] = $qa[$lang][$k];
93
$_SESSION['captcha'.$sec_id] = $qa[$lang][$k];
94 94

  
95 95
echo $k;
96 96

  
branches/2.8.x/wb/include/captcha/captchas/calc_text.php
34 34
	require_once(WB_PATH.'/modules/captcha_control/languages/'.LANGUAGE .'.php');
35 35
}
36 36

  
37
$_SESSION['captcha'] = '';
37
$_SESSION['captcha'.$sec_id] = '';
38 38
mt_srand((double)microtime()*1000000);
39 39
$n = mt_rand(1,3);
40 40
switch ($n) {
41 41
	case 1:
42 42
		$x = mt_rand(1,9);
43 43
		$y = mt_rand(1,9);
44
		$_SESSION['captcha'] = $x + $y;
44
		$_SESSION['captcha'.$sec_id] = $x + $y;
45 45
		$cap = "$x {$MOD_CAPTCHA['ADDITION']} $y"; 
46 46
		break; 
47 47
	case 2:
48 48
		$x = mt_rand(10,20);
49 49
		$y = mt_rand(1,9);
50
		$_SESSION['captcha'] = $x - $y; 
50
		$_SESSION['captcha'.$sec_id] = $x - $y; 
51 51
		$cap = "$x {$MOD_CAPTCHA['SUBTRAKTION']} $y"; 
52 52
		break;
53 53
	case 3:
54 54
		$x = mt_rand(2,10);
55 55
		$y = mt_rand(2,5);
56
		$_SESSION['captcha'] = $x * $y; 
56
		$_SESSION['captcha'.$sec_id] = $x * $y; 
57 57
		$cap = "$x {$MOD_CAPTCHA['MULTIPLIKATION']} $y"; 
58 58
		break;
59 59
}
60 60
echo $cap;
61
?>
61
?>
branches/2.8.x/wb/include/captcha/captcha.php
24 24
*/
25 25

  
26 26
// displays the image or text inside an <iframe>
27
function display_captcha_real($kind='image') {
28
	$t = time();
29
	$_SESSION['captcha_time'] = $t;
30
	if($kind=='image') {
31
		?><a title="reload" href="<?php echo WB_URL.'/include/captcha/captcha.php?display_captcha_X986E21=2'; ?>">
32
		  <img style="border: none;" src="<?php echo WB_URL.'/include/captcha/captchas/'.CAPTCHA_TYPE.".php?t=$t"; ?>" alt="Captcha" />
33
			</a><?php
34
	} else {
35
		echo 'error';
27
if(!function_exists('display_captcha_real')) {
28
	function display_captcha_real($kind='image') {
29
		$t = time();
30
		$_SESSION['captcha_time'] = $t;
31
		$sec_id = '';
32
		if(isset($_GET['s']) && is_numeric($_GET['s'])) $sec_id = $_GET['s'];
33
		if($kind=='image') {
34
			?><a title="reload" href="<?php echo WB_URL.'/include/captcha/captcha.php?display_captcha_X986E21=2'; ?>">
35
			  <img style="border: none;" src="<?php echo WB_URL.'/include/captcha/captchas/'.CAPTCHA_TYPE.".php?t=$t&amp;s=$sec_id"; ?>" alt="Captcha" />
36
				</a><?php
37
		} else {
38
			echo 'error';
39
		}
36 40
	}
37 41
}
38 42

  
......
70 74
		header("Expires: Mon, 1 Jan 1990 05:00:00 GMT");
71 75
		header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT");
72 76
		header("Cache-Control: no-store, no-cache, must-revalidate, proxy-revalidate");
73
		header("Cache-Control: post-check=0, pre-check=0", false); // MS made there own headers :-(
74 77
		header("Pragma: no-cache");
75 78
		header("Content-type: image/png");
76 79
		return;
......
102 105
}
103 106

  
104 107
if(!function_exists('call_captcha')) {
105
	function call_captcha($action='all', $style='') {
108
	function call_captcha($action='all', $style='', $sec_id='') {
106 109
		global $MOD_CAPTCHA;
107 110
		$t = time();
108 111
		$_SESSION['captcha_time'] = $t;
......
156 159
				case 'calc_ttf_image': // calculation with varying background and ttf-font
157 160
				  ?><table class="captcha_table"><tr>
158 161
					<td class="image_captcha">
159
						<iframe class="captcha_iframe" width="<?php echo $captcha_width; ?>" height="<?php echo $captcha_height; ?>" scrolling="no" marginheight="0" marginwidth="0" frameborder="0" name="captcha_iframe" src="<?php echo WB_URL.'/include/captcha/captcha.php?display_captcha_X986E21=1'; ?>">
160
						<img src="<?php echo WB_URL.'/include/captcha/captchas/'.CAPTCHA_TYPE.".php?t=$t"; ?>" alt="Captcha" />
162
						<?php echo "<iframe class=\"captcha_iframe\" width=\"$captcha_width\" height=\"$captcha_height\" scrolling=\"no\" marginheight=\"0\" marginwidth=\"0\" frameborder=\"0\" name=\"captcha_iframe_$sec_id\" src=\"". WB_URL ."/include/captcha/captcha.php?display_captcha_X986E21=1&amp;s=$sec_id"; ?>">
163
						<img src="<?php echo WB_URL.'/include/captcha/captchas/'.CAPTCHA_TYPE.".php?t=$t&amp;s=$sec_id"; ?>" alt="Captcha" />
161 164
						</iframe>
162 165
					</td>
163 166
					<td>&nbsp;=&nbsp;</td>
......
170 173
				case 'old_image': // old captcha
171 174
					?><table class="captcha_table"><tr>
172 175
					<td class="image_captcha">
173
						<iframe class="captcha_iframe" width="<?php echo $captcha_width; ?>" height="<?php echo $captcha_height; ?>" scrolling="no" marginheight="0" marginwidth="0" frameborder="0" name="captcha_iframe" src="<?php echo WB_URL.'/include/captcha/captcha.php?display_captcha_X986E21=1'; ?>">
174
						<img src="<?php echo WB_URL.'/include/captcha/captchas/'.CAPTCHA_TYPE.".php?t=$t"; ?>" alt="Captcha" />
176
						<?php echo "<iframe class=\"captcha_iframe\" width=\"$captcha_width\" height=\"$captcha_height\" scrolling=\"no\" marginheight=\"0\" marginwidth=\"0\" frameborder=\"0\" name=\"captcha_iframe_$sec_id\" src=\"". WB_URL ."/include/captcha/captcha.php?display_captcha_X986E21=1&amp;s=$sec_id"; ?>">
177
						<img src="<?php echo WB_URL.'/include/captcha/captchas/'.CAPTCHA_TYPE.".php?t=$t&amp;s=$sec_id"; ?>" alt="Captcha" />
175 178
						</iframe>
176 179
					</td>
177 180
					<td></td>
......
192 195
				case 'calc_ttf_image': // calculation with varying background and ttf-font
193 196
				case 'ttf_image': // captcha with varying background and ttf-font
194 197
				case 'old_image': // old captcha
195
					echo "<img $style src=\"".WB_URL.'/include/captcha/captchas/'.CAPTCHA_TYPE.".php?t=$t\" />";
198
					echo "<img $style src=\"".WB_URL.'/include/captcha/captchas/'.CAPTCHA_TYPE.".php?t=$t&amp;s=$sec_id\" />";
196 199
					break;
197 200
			}
198 201
		} elseif($action=='image_iframe') {
......
209 212
				case 'calc_ttf_image': // calculation with varying background and ttf-font
210 213
				case 'ttf_image': // captcha with varying background and ttf-font
211 214
				case 'old_image': // old captcha
212
					?><iframe class="captcha_iframe" width="<?php echo $captcha_width; ?>" height="<?php echo $captcha_height; ?>" scrolling="no" marginheight="0" marginwidth="0" frameborder="0" name="captcha_iframe" src="<?php echo WB_URL.'/include/captcha/captcha.php?display_captcha_X986E21=1'; ?>"><?php
215
					?>
216
					<?php echo "<iframe class=\"captcha_iframe\" width=\"$captcha_width\" height=\"$captcha_height\" scrolling=\"no\" marginheight=\"0\" marginwidth=\"0\" frameborder=\"0\" name=\"captcha_iframe_$sec_id\" src=\"". WB_URL ."/include/captcha/captcha.php?display_captcha_X986E21=1&amp;s=$sec_id"; ?>">
217
					<?php
213 218
					echo "<img $style alt=\"Captcha\" src=\"".WB_URL.'/include/captcha/captchas/'.CAPTCHA_TYPE.".php?t=$t\" />";
214 219
					?></iframe><?php
215 220
					break;
branches/2.8.x/wb/admin/interface/version.php
51 51
}
52 52

  
53 53
// check if defined to avoid errors during installation (redirect to admin panel fails if PHP error/warnings are enabled)
54
if(!defined('VERSION')) define('VERSION', '2.8.2.RC3');
55
if(!defined('REVISION')) define('REVISION', '1370');
54
if(!defined('VERSION')) define('VERSION', '2.8.2.RC4');
55
if(!defined('REVISION')) define('REVISION', '1371');
56 56

  
57 57
?>

Also available in: Unified diff