1 <?php
2
3 class AccessTokenAuthentication {
4 /*
5 * Get the access token.
6 *
7 * @param string $grantType Grant type.
8 * @param string $scopeUrl Application Scope URL.
9 * @param string $clientID Application client ID.
10 * @param string $clientSecret Application client ID.
11 * @param string $authUrl Oauth Url.
12 *
13 * @return string.
14 */
15 function getTokens($grantType, $scopeUrl, $clientID, $clientSecret, $authUrl){
16 try {
17 //Initialize the Curl Session.
18 $ch = curl_init();
19 //Create the request Array.
20 $paramArr = array (
21 'grant_type' => $grantType,
22 'scope' => $scopeUrl,
23 'client_id' => $clientID,
24 'client_secret' => $clientSecret
25 );
26 //Create an Http Query.//
27 $paramArr = http_build_query($paramArr);
28 //Set the Curl URL.
29 curl_setopt($ch, CURLOPT_URL, $authUrl);
30 //Set HTTP POST Request.
31 curl_setopt($ch, CURLOPT_POST, TRUE);
32 //Set data to POST in HTTP "POST" Operation.
33 curl_setopt($ch, CURLOPT_POSTFIELDS, $paramArr);
34 //CURLOPT_RETURNTRANSFER- TRUE to return the transfer as a string of the return value of curl_exec().
35 curl_setopt ($ch, CURLOPT_RETURNTRANSFER, TRUE);
36 //CURLOPT_SSL_VERIFYPEER- Set FALSE to stop cURL from verifying the peer's certificate.
37 curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
38 //Execute the cURL session.
39 $strResponse = curl_exec($ch);
40 //Get the Error Code returned by Curl.
41 $curlErrno = curl_errno($ch);
42 if($curlErrno){
43 $curlError = curl_error($ch);
44 throw new Exception($curlError);
45 }
46 //Close the Curl Session.
47 curl_close($ch);
48 //Decode the returned JSON string.
49 $objResponse = json_decode($strResponse);
50 if ($objResponse->error){
51 throw new Exception($objResponse->error_description);
52 }
53 return $objResponse->access_token;
54 } catch (Exception $e) {
55 echo "Exception-".$e->getMessage();
56 }
57 }
58 }
59
60 /*
61 * Class:HTTPTranslator
62 *
63 * Processing the translator request.
64 */
65 Class HTTPTranslator {
66 /*
67 * Create and execute the HTTP CURL request.
68 *
69 * @param string $url HTTP Url.
70 * @param string $authHeader Authorization Header string.
71 *
72 * @return string.
73 *
74 */
75 function curlRequest($url, $authHeader){
76 //Initialize the Curl Session.
77 $ch = curl_init();
78 //Set the Curl url.
79 curl_setopt ($ch, CURLOPT_URL, $url);
80 //Set the HTTP HEADER Fields.
81 curl_setopt ($ch, CURLOPT_HTTPHEADER, array($authHeader));
82 //CURLOPT_RETURNTRANSFER- TRUE to return the transfer as a string of the return value of curl_exec().
83 curl_setopt ($ch, CURLOPT_RETURNTRANSFER, TRUE);
84 //CURLOPT_SSL_VERIFYPEER- Set FALSE to stop cURL from verifying the peer's certificate.
85 curl_setopt ($ch, CURLOPT_SSL_VERIFYPEER, False);
86 //Execute the cURL session.
87 $curlResponse = curl_exec($ch);
88 //Get the Error Code returned by Curl.
89 $curlErrno = curl_errno($ch);
90 if ($curlErrno) {
91 $curlError = curl_error($ch);
92 throw new Exception($curlError);
93 }
94 //Close a cURL session.
95 curl_close($ch);
96 return $curlResponse;
97 }
98 }
99
100 try {
101 //Client ID of the application.
102 $clientID = "clientId";
103 //Client Secret key of the application.
104 $clientSecret = "ClientSecret";
105 //OAuth Url.
106 $authUrl = "https://datamarket.accesscontrol.windows.net/v2/OAuth2-13/";
107 //Application Scope Url
108 $scopeUrl = "http://api.microsofttranslator.com";
109 //Application grant type
110 $grantType = "client_credentials";
111
112 //Create the AccessTokenAuthentication object.
113 $authObj = new AccessTokenAuthentication();
114 //Get the Access token.
115 $accessToken = $authObj->getTokens($grantType, $scopeUrl, $clientID, $clientSecret, $authUrl);
116 //Create the authorization Header string.
117 $authHeader = "Authorization: Bearer ". $accessToken;
118
119 //Set the params.
120 $sentence = "rephrasing is a hard problem for the computer.";
121 $language = "en-us";
122 $category = "general";
123 $maxParaphrase = '6';
124
125 $params = "sentence=".urlencode($sentence)."&language=$language&category=$category&maxParaphrases=$maxParaphrase";
126
127 //HTTP paraphrase URL.
128 $paraphraseUrl = "http://api.microsofttranslator.com/v3/json/paraphrase?$params";
129
130 //Create the Translator Object.
131 $translatorObj = new HTTPTranslator();
132
133 //Call the curlRequest.
134 echo $curlResponse = $translatorObj->curlRequest($paraphraseUrl, $authHeader);
135
136 } catch (Exception $e) {
137 echo "Exception: " . $e->getMessage() . PHP_EOL;
138 }
139
140 /*
141 * Create and execute the HTTP CURL request.
142 *
143 * @param string $url HTTP Url.
144 * @param string $authHeader Authorization Header string.
145 * @param string $postData Data to post.
146 *
147 * @return string.
148 *
149 */
150 function curlRequest($url, $authHeader) {
151 //Initialize the Curl Session.
152 $ch = curl_init();
153 //Set the Curl url.
154 curl_setopt ($ch, CURLOPT_URL, $url);
155 //Set the HTTP HEADER Fields.
156 curl_setopt ($ch, CURLOPT_HTTPHEADER, array($authHeader,"Content-Type: text/xml"));
157 //CURLOPT_RETURNTRANSFER- TRUE to return the transfer as a string of the return value of curl_exec().
158 curl_setopt ($ch, CURLOPT_RETURNTRANSFER, TRUE);
159 //CURLOPT_SSL_VERIFYPEER- Set FALSE to stop cURL from verifying the peer's certificate.
160 curl_setopt ($ch, CURLOPT_SSL_VERIFYPEER, False);
161 //Execute the cURL session.
162 $curlResponse = curl_exec($ch);
163 //Get the Error Code returned by Curl.
164 $curlErrno = curl_errno($ch);
165 if ($curlErrno) {
166 $curlError = curl_error($ch);
167 throw new Exception($curlError);
168 }
169 //Close a cURL session.
170 curl_close($ch);
171 return $curlResponse;
172 }
