mreader/mr-oauth.php at master · glacjay/mreader · GitHub

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
<?php
require_once'config';
require_once'OAuth.php';

$sig_method = newOAuthSignatureMethod_HMAC_SHA1();

$scope = "https://www.google.com/reader/api";

$consumer = newOAuthConsumer($consumer_key, $consumer_secret, null);

functionparseTokenSecret($result)
{
$arr = array();
$param_pairs = explode('&', $result);
foreach ($param_pairsas$param_pair)
 {
if (trim($param_pair) == '')
continue;
list($key, $value) = explode('=', $param_pair);
$arr[$key] = urldecode($value);
 }
return$arr;
}

functionrequestOAuth($url, $post_data=null, $fetching=false)
{
global$sig_method, $consumer_key, $consumer_secret, $scope, $consumer;

if ($fetching)
 {
$access_token = fetchConfig('access_token');
$access_token_secret = fetchConfig('access_token_secret');
 }
else
 {
$access_token = $_SESSION['access_token'];
$access_token_secret = $_SESSION['access_token_secret'];
 }

$token = newOAuthConsumer($access_token, $access_token_secret);
if ($post_data === null)
$request = OAuthRequest::from_consumer_and_token(
$consumer, $token, 'GET', $url, array());
else
$request = OAuthRequest::from_consumer_and_token(
$consumer, $token, 'POST', $url, $post_data);
$request->sign_request($sig_method, $consumer, $token);

$ch = curl_init($url);
curl_setopt($ch, CURLOPT_HTTPHEADER, array($request->to_header()));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
if ($post_data !== null)
 {
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);
 }

$result = curl_exec($ch);
$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
returnarray($http_code, $result);
}

functionoauthError($http_code, $result)
{
echo<<<_END
 OAuth error ($http_code): $result<br />
 You can try to refresh this page,
 or <a href="mr-logout.php">logout</a> and login again.
_END;
exit;
}

functiongetActionToken()
{
global$scope;

if (isset($_SESSION['action_token']) && time() < $_SESSION['action_token_time'] + 60 * 25)
return$_SESSION['action_token'];

list($http_code, $result) = requestOAuth("$scope/0/token");
if ($http_code == 200)
 {
$_SESSION['action_token'] = $result;
$_SESSION['action_token_time'] = time();
return$result;
 }
else
oauthError($http_code, $result);
}

functionmarkItem($id, $stream, $action)
{
global$scope;

$post_data = array(
'async' => 'true',
'a' => $action,
'i' => $id,
's' => $stream,
'T' => getActionToken());
list($http_code, $result) = requestOAuth("$scope/0/edit-tag", $post_data);
if ($http_code != 200)
oauthError($http_code, $result);
}

functionmarkStar($id, $stream)
{
markItem($id, $stream, 'user/-/state/com.google/starred');
}

functionmarkRead($id, $stream)
{
markItem($id, $stream, 'user/-/state/com.google/read');
}

functionmarkLater($id, $stream)
{
markItem($id, $stream, 'user/-/label/later');
}

functiongetItem($id, $fetching=false)
{
global$scope;

$url = "$scope/0/stream/items/contents?i=$id";
list($http_code, $result) = requestOAuth($url, null, $fetching);
if ($http_code == 200)
returnjson_decode($result, true);
else
oauthError($http_code, $result);
}

?>