/
Endpoint.php
199 lines (166 loc) · 5.21 KB
/
Endpoint.php
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
<?php
/**
* HybridAuth
* http://hybridauth.sourceforge.net | http://github.com/hybridauth/hybridauth
* (c) 2009-2014, HybridAuth authors | http://hybridauth.sourceforge.net/licenses.html
*/
/**
* Hybrid_Endpoint class
*
* Hybrid_Endpoint class provides a simple way to handle the OpenID and OAuth endpoint.
*/
class Hybrid_Endpoint {
public static $request = NULL;
public static $initDone = FALSE;
/**
* Process the current request
*
* $request - The current request parameters. Leave as NULL to default to use $_REQUEST.
*/
public static function process( $request = NULL )
{
// Setup request variable
Hybrid_Endpoint::$request = $request;
if ( is_null(Hybrid_Endpoint::$request) ){
// Fix a strange behavior when some provider call back ha endpoint
// with /index.php?hauth.done={provider}?{args}...
// >here we need to recreate the $_REQUEST
if ( strrpos( $_SERVER["QUERY_STRING"], '?' ) ) {
$_SERVER["QUERY_STRING"] = str_replace( "?", "&", $_SERVER["QUERY_STRING"] );
parse_str( $_SERVER["QUERY_STRING"], $_REQUEST );
}
Hybrid_Endpoint::$request = $_REQUEST;
}
// If openid_policy requested, we return our policy document
if ( isset( Hybrid_Endpoint::$request["get"] ) && Hybrid_Endpoint::$request["get"] == "openid_policy" ) {
Hybrid_Endpoint::processOpenidPolicy();
}
// If openid_xrds requested, we return our XRDS document
if ( isset( Hybrid_Endpoint::$request["get"] ) && Hybrid_Endpoint::$request["get"] == "openid_xrds" ) {
Hybrid_Endpoint::processOpenidXRDS();
}
// If we get a hauth.start
if ( isset( Hybrid_Endpoint::$request["hauth_start"] ) && Hybrid_Endpoint::$request["hauth_start"] ) {
Hybrid_Endpoint::processAuthStart();
}
// Else if hauth.done
elseif ( isset( Hybrid_Endpoint::$request["hauth_done"] ) && Hybrid_Endpoint::$request["hauth_done"] ) {
Hybrid_Endpoint::processAuthDone();
}
// Else we advertise our XRDS document, something supposed to be done from the Realm URL page
else {
Hybrid_Endpoint::processOpenidRealm();
}
}
/**
* Process OpenID policy request
*/
public static function processOpenidPolicy()
{
$output = file_get_contents( dirname(__FILE__) . "/resources/openid_policy.html" );
print $output;
die();
}
/**
* Process OpenID XRDS request
*/
public static function processOpenidXRDS()
{
header("Content-Type: application/xrds+xml");
$output = str_replace
(
"{RETURN_TO_URL}",
str_replace(
array("<", ">", "\"", "'", "&"), array("<", ">", """, "'", "&"),
Hybrid_Auth::getCurrentUrl( false )
),
file_get_contents( dirname(__FILE__) . "/resources/openid_xrds.xml" )
);
print $output;
die();
}
/**
* Process OpenID realm request
*/
public static function processOpenidRealm()
{
$output = str_replace
(
"{X_XRDS_LOCATION}",
htmlentities( Hybrid_Auth::getCurrentUrl( false ), ENT_QUOTES, 'UTF-8' ) . "?get=openid_xrds&v=" . Hybrid_Auth::$version,
file_get_contents( dirname(__FILE__) . "/resources/openid_realm.html" )
);
print $output;
die();
}
/**
* define:endpoint step 3.
*/
public static function processAuthStart()
{
Hybrid_Endpoint::authInit();
$provider_id = trim( strip_tags( Hybrid_Endpoint::$request["hauth_start"] ) );
# check if page accessed directly
if( ! Hybrid_Auth::storage()->get( "hauth_session.$provider_id.hauth_endpoint" ) ) {
throw new Hybrid_Exception( "You cannot access this page directly." );
}
# define:hybrid.endpoint.php step 2.
$hauth = Hybrid_Auth::setup( $provider_id );
# if REQUESTed hauth_idprovider is wrong, session not created, etc.
if( ! $hauth ) {
throw new Hybrid_Exception( "Invalid parameter! Please return to the login page and try again." );
}
try {
$hauth->adapter->loginBegin();
}
catch ( Exception $e ) {
Hybrid_Error::setError( $e->getMessage(), $e->getCode() );
$hauth->returnToCallbackUrl();
}
die();
}
/**
* define:endpoint step 3.1 and 3.2
*/
public static function processAuthDone()
{
Hybrid_Endpoint::authInit();
$provider_id = trim( strip_tags( Hybrid_Endpoint::$request["hauth_done"] ) );
# check if page accessed directly
if( ! Hybrid_Auth::storage()->get( "hauth_session.$provider_id.hauth_endpoint" ) ) {
throw new Hybrid_Exception( "You cannot access this page directly." );
}
$hauth = Hybrid_Auth::setup( $provider_id );
if( ! $hauth ) {
$hauth->adapter->setUserUnconnected();
throw new Hybrid_Exception( "Invalid parameter! Please return to the login page and try again." );
}
try {
$hauth->adapter->loginFinish();
}
catch( Exception $e ){
Hybrid_Error::setError( $e->getMessage(), $e->getCode() );
$hauth->adapter->setUserUnconnected();
}
$hauth->returnToCallbackUrl();
die();
}
public static function authInit()
{
if ( ! Hybrid_Endpoint::$initDone) {
Hybrid_Endpoint::$initDone = TRUE;
# Init Hybrid_Auth
try {
$storage = new Hybrid_Storage();
// Check if Hybrid_Auth session already exist
if ( ! $storage->config( "CONFIG" ) ){
throw new Hybrid_Exception( "You cannot access this page directly." );
}
Hybrid_Auth::initialize( $storage->config( "CONFIG" ) );
}
catch ( Exception $e ){
throw new Hybrid_Exception( "Oophs. Error!" );
}
}
}
}