1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
|
<?php
$path_extra = dirname(dirname(__FILE__));
$path = ini_get('include_path');
$path = $path_extra . ':' . $path;
ini_set('include_path', $path);
class PlainText {
function start($title)
{
return '';
}
function link($href, $text=null)
{
if ($text) {
return $text . ' <' . $href . '>';
} else {
return $href;
}
}
function contentType()
{
return 'text/plain';
}
function p($text)
{
return wordwrap($text) . "\n\n";
}
function pre($text)
{
$out = '';
$lines = array_map('trim', explode("\n", $text));
foreach ($lines as $line) {
$out .= ' ' . $line . "\n";
}
}
function ol($items)
{
$out = '';
$c = 1;
foreach ($items as $item) {
$item = wordwrap($item, 72);
$lines = array_map('trim', explode("\n", $item));
$out .= $c . '. ' . $lines[0] . "\n";
unset($lines[0]);
foreach ($lines as $line) {
$out .= ' ' . $line . "\n";
}
$out .= "\n";
$c += 1;
}
return $out;
}
function h2($text)
{
return $text . "\n" . str_repeat('-', strlen($text)) . "\n\n";
}
function h1($text)
{
return $text . "\n" . str_repeat('=', strlen($text)) . "\n\n";
}
function end()
{
return '';
}
}
class HTML {
function start($title)
{
return '<html><head><title>' . $title . '</title></head><body>' . "\n";
}
function contentType()
{
return 'text/html';
}
function p($text)
{
return '<p>' . wordwrap($text) . "</p>\n";
}
function pre($text)
{
return '<pre>' . $text . "</pre>\n";
}
function ol($items)
{
$out = '<ol>';
foreach ($items as $item) {
$out .= '<li>' . wordwrap($item) . "</li>\n";
}
$out .= "</ol>\n";
return $out;
}
function h($text, $n)
{
return "<h$n>$text</h$n>\n";
}
function h2($text)
{
return $this->h($text, 2);
}
function h1($text)
{
return $this->h($text, 1);
}
function link($href, $text=null)
{
return '<a href="' . $href . '">' . ($text ? $text : $href) . '</a>';
}
function end()
{
return "</body>\n</html>\n";
}
}
$r = new HTML();
function detect_math($r, &$out)
{
global $_Auth_OpenID_math_extensions;
$out .= $r->h2('Math support');
$ext = Auth_OpenID_detectMathLibrary($_Auth_OpenID_math_extensions);
if (!isset($ext['extension']) || !isset($ext['class'])) {
$out .= $r->p(
'Your PHP installation does not include big integer math ' .
'support. This support is required if you wish to run a ' .
'secure OpenID server without using SSL.');
$out .= $r->p('To use this library, you have a few options:');
$gmp_lnk = $r->link('http://www.php.net/manual/en/ref.gmp.php', 'GMP');
$bc_lnk = $r->link('http://www.php.net/manual/en/ref.bc.php', 'bcmath');
$out .= $r->ol(array(
'Install the ' . $gmp_lnk . ' PHP extension',
'Install the ' . $bc_lnk . ' PHP extension',
'If your site is low-security, define ' .
'Auth_OpenID_NO_MATH_SUPPORT. The library will function, but ' .
'the security of your OpenID server will depend on the ' .
'security of the network links involved. If you are only ' .
'using consumer support, you should still be able to operate ' .
'securely when the users are communicating with a ' .
'well-implemented server.'));
return false;
} else {
switch ($ext['extension']) {
case 'bcmath':
$out .= $r->p('Your PHP installation has bcmath support. This is ' .
'adequate for small-scale use, but can be CPU-intensive. ' .
'You may want to look into installing the GMP extension.');
$lnk = $r->link('http://www.php.net/manual/en/ref.gmp.php');
$out .= $r->p('See ' . $lnk .' for more information about the GMP ' .
'extension.');
break;
case 'gmp':
$out .= $r->p('Your PHP installation has gmp support. Good.');
break;
default:
$class = $ext['class'];
$lib = new $class();
$one = $lib->init(1);
$two = $lib->add($one, $one);
$t = $lib->toString($two);
$out .= $r->p('Uh-oh. I do not know about the ' . $ext['extension'] .
' extension!');
if ($t != '2') {
$out .= $r->p('It looks like it is broken. 1 + 1 = ' .
var_export($t, false));
return false;
} else {
$out .= $r->p('But it seems to be able to add one and one.');
}
}
}
}
header('Content-Type: ' . $r->contentType() . '; charset=us-ascii');
$status = array();
$title = 'PHP OpenID Library Check';
$out = $r->start($title) .
$r->h1($title) .
$r->p('This script checks your PHP installation to determine if you ' .
'are set up to use the JanRain PHP OpenID library.');
if (!@include('Auth/OpenID/BigMath.php')) {
$path = ini_get('include_path');
$out .= $r->p(
'Cannot find the OpenID library. It must be in your PHP include ' .
'path. Your PHP include path is currently:');
$out .= $r->pre($path);
} else {
$status['math'] = detect_math($r, $out);
}
$out .= $r->end();
print $out;
?>
|
