7qnJh70g

1function getRequestToken(){
2
3    $baseUrl = 'https://oauth.intuit.com/oauth/v1/get_request_token';
4    $method = 'GET';
5
6    $oauth_callback = 'http://mywebsite.com/oauth-callback.php';
7
8    $oauth_consumer_key='MyConsumerKey';
9    $oauth_nonce = generateNonce(10);
10    $oauth_timestamp = time();
11    $oauth_signature_method = 'HMAC-SHA1';
12    $oauth_version = '1.0';
13
14    $paramArray = array('oauth_callback',$oauth_callback,
15                        'oauth_consumer_key',$oauth_consumer_key,
16                        'oauth_nonce',$oauth_nonce,
17                        'oauth_timestamp',$oauth_timestamp,
18                        'oauth_signature_method',$oauth_signature_method,
19                        'oauth_version',$oauth_version);
20
21    $oauth_signature = generateSignature($method, $baseUrl, $paramArray, '');
22
23    $url =  $baseUrl.'?'.
24            'oauth_callback='.$oauth_callback.'&'.
25            'oauth_consumer_key='.$oauth_consumer_key.'&'.
26            'oauth_nonce='.$oauth_nonce.'&'.
27            'oauth_signature='.$oauth_signature.'&'.
28            'oauth_signature_method='.$oauth_signature_method.'&'.
29            'oauth_timestamp='.$oauth_timestamp.'&'.
30            'oauth_version='.$oauth_version;
31
32
33    $ch = curl_init();
34    curl_setopt($ch, CURLOPT_URL, $url);
35    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
36    curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
37    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
38    $content = curl_exec($ch);
39    curl_close ($ch);
40    parse_str( $content, $output );
41    echo  'oauth_token='.$output['oauth_token'];
42
43}
44	
45function getAccessToken($oauth_token, $oauth_verifier){
46
47    $baseUrl = 'https://oauth.intuit.com/oauth/v1/get_access_token';
48    $method = 'GET';
49
50    $oauth_signature_method = 'HMAC-SHA1';
51    $oauth_version = '1.0';
52    $oauth_consumer_key='MyConsumerKey';
53    $oauth_nonce = generateNonce(10);
54    $oauth_timestamp = time();
55
56    $paramArray = array('oauth_consumer_key', $oauth_consumer_key,
57                        'oauth_nonce', $oauth_nonce,
58                        'oauth_signature_method', $oauth_signature_method,
59                        'oauth_timestamp', $oauth_timestamp,
60                        'oauth_version', $oauth_version,
61                        'oauth_verifier', $oauth_verifier,
62                        'oauth_token', $oauth_token);
63
64    $oauth_signature = generateSignature($method, $baseUrl, $paramArray, '');
65
66    $url =  $baseUrl.'?'.
67            'oauth_consumer_key='.$oauth_consumer_key.'&'.
68            'oauth_nonce='.$oauth_nonce.'&'.
69            'oauth_signature='.$oauth_signature.'&'.
70            'oauth_signature_method='.$oauth_signature_method.'&'.
71            'oauth_timestamp='.$oauth_timestamp.'&'.
72            'oauth_version='.$oauth_version.'&'.
73            'oauth_verifier='.$oauth_verifier.'&'.
74            'oauth_token='.$oauth_token;
75
76
77    $ch = curl_init();
78    curl_setopt($ch, CURLOPT_URL, $url);
79    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
80    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
81    $content = curl_exec($ch);
82    curl_close ($ch);
83    echo $content;
84}
85	
86function generateNonce($length) {
87    $characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
88    $charactersLength = strlen($characters);
89    $randomString = '';
90    for ($i = 0; $i < $length; $i++) {
91        $randomString .= $characters[rand(0, $charactersLength - 1)];
92    }
93    return $randomString;
94}
95	
96function generateSignature( $method, $baseUrl, $paramArray, $tokenSecret ){
97
98    $consumerSecret = rawurlencode('MyConsumerSecret');
99    $tokenSecret = rawurlencode($tokenSecret);
100
101    $encodedArray = array();
102    $fullParamString = '';
103    $tempString = '';
104    $signatureBaseString = '';
105
106    //Step1: percent encode the strings, then concat into key/value pairs
107    foreach ($paramArray as $key=>&$p){
108        $p = rawurlencode($p);
109
110        if ($key%2 == 0){
111            $tempString = $p . '=';
112        } else {
113            $encodedArray[] = $tempString . $p;
114        }
115    }
116
117    //Step2: sort the strings
118    sort($encodedArray);
119
120    //Add & to all but the last
121    foreach ($encodedArray as $key=>&$e){
122        if($key != count($encodedArray)-1){
123            $e = $e . '&';
124        }
125    }
126
127    //Step3: create Signature Base String
128    $signatureBaseString = $method.'&'.rawurlencode($baseUrl).'&';
129    foreach ($encodedArray as $keyValuePair){
130        $fullParamString = $fullParamString . $keyValuePair;
131    }
132    $signatureBaseString = $signatureBaseString . rawurlencode($fullParamString);
133
134    $secrets = $consumerSecret .'&'. $tokenSecret;
135
136    //Sign the signature base string
137    $signature = base64_encode(hash_hmac('sha1', $signatureBaseString, $secrets, true ));
138
139    return $signature;
140}