/
index.php
432 lines (352 loc) · 15.2 KB
/
index.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
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
<!--Licensed by AT&T under 'Software Development Kit Tools Agreement.'2012
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION: http://developer.att.com/sdk_agreement/
Copyright 2012 AT&T Intellectual Property. All rights reserved. http://developer.att.com
For more information contact developer.support@att.com
-->
<?php
header("Content-Type: text/html; charset=ISO-8859-1");
include ("config.php");
include ($oauth_file);
error_reporting(0);
session_start();
function RefreshToken($FQDN,$api_key,$secret_key,$scope,$fullToken){
$refreshToken=$fullToken["refreshToken"];
$accessTok_Url = $FQDN."/oauth/token";
//http header values
$accessTok_headers = array(
'Content-Type: application/x-www-form-urlencoded'
);
//Invoke the URL
$post_data="client_id=".$api_key."&client_secret=".$secret_key."&refresh_token=".$refreshToken."&grant_type=refresh_token";
$accessTok = curl_init();
curl_setopt($accessTok, CURLOPT_URL, $accessTok_Url);
curl_setopt($accessTok, CURLOPT_HTTPGET, 1);
curl_setopt($accessTok, CURLOPT_HEADER, 0);
curl_setopt($accessTok, CURLINFO_HEADER_OUT, 0);
curl_setopt($accessTok, CURLOPT_HTTPHEADER, $accessTok_headers);
curl_setopt($accessTok, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($accessTok, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($accessTok, CURLOPT_POST, 1);
curl_setopt($accessTok, CURLOPT_POSTFIELDS,$post_data);
$accessTok_response = curl_exec($accessTok);
$currentTime=time();
$responseCode=curl_getinfo($accessTok,CURLINFO_HTTP_CODE);
if($responseCode==200){
$jsonObj = json_decode($accessTok_response);
$accessToken = $jsonObj->{'access_token'};//fetch the access token from the response.
$refreshToken = $jsonObj->{'refresh_token'};
$expiresIn = $jsonObj->{'expires_in'};
if($expiresIn == 0) {
$expiresIn = 24*60*60;
}
$refreshTime=$currentTime+(int)($expiresIn); // Time for token refresh
$updateTime=$currentTime + ( 24*60*60); // Time to get for a new token update, current time + 24h
$fullToken["accessToken"]=$accessToken;
$fullToken["refreshToken"]=$refreshToken;
$fullToken["refreshTime"]=$refreshTime;
$fullToken["updateTime"]=$updateTime;
}
else{
$fullToken["accessToken"]=null;
$fullToken["errorMessage"]=curl_error($accessTok).$accessTok_response;
}
curl_close ($accessTok);
return $fullToken;
}
function GetAccessToken($FQDN,$api_key,$secret_key,$scope){
$accessTok_Url = $FQDN."/oauth/token";
//http header values
$accessTok_headers = array(
'Content-Type: application/x-www-form-urlencoded'
);
//Invoke the URL
$post_data = "client_id=".$api_key."&client_secret=".$secret_key."&scope=".$scope."&grant_type=client_credentials";
$accessTok = curl_init();
curl_setopt($accessTok, CURLOPT_URL, $accessTok_Url);
curl_setopt($accessTok, CURLOPT_HTTPGET, 1);
curl_setopt($accessTok, CURLOPT_HEADER, 0);
curl_setopt($accessTok, CURLINFO_HEADER_OUT, 0);
curl_setopt($accessTok, CURLOPT_HTTPHEADER, $accessTok_headers);
curl_setopt($accessTok, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($accessTok, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($accessTok, CURLOPT_POST, 1);
curl_setopt($accessTok, CURLOPT_POSTFIELDS,$post_data);
$accessTok_response = curl_exec($accessTok);
$responseCode=curl_getinfo($accessTok,CURLINFO_HTTP_CODE);
$currentTime=time();
/*
If URL invocation is successful fetch the access token and store it in session,
else display the error.
*/
if($responseCode==200)
{
$jsonObj = json_decode($accessTok_response);
$accessToken = $jsonObj->{'access_token'};//fetch the access token from the response.
$refreshToken = $jsonObj->{'refresh_token'};
$expiresIn = $jsonObj->{'expires_in'};
if($expiresIn == 0) {
$expiresIn = 24*60*60*365*100;
}
$refreshTime=$currentTime+(int)($expiresIn); // Time for token refresh
$updateTime=$currentTime + ( 24*60*60); // Time to get for a new token update, current time + 24h
$fullToken["accessToken"]=$accessToken;
$fullToken["refreshToken"]=$refreshToken;
$fullToken["refreshTime"]=$refreshTime;
$fullToken["updateTime"]=$updateTime;
}else{
$fullToken["accessToken"]=null;
$fullToken["errorMessage"]=curl_error($accessTok).$accessTok_response;
}
curl_close ($accessTok);
return $fullToken;
}
function SaveToken( $fullToken,$oauth_file ){
$accessToken=$fullToken["accessToken"];
$refreshToken=$fullToken["refreshToken"];
$refreshTime=$fullToken["refreshTime"];
$updateTime=$fullToken["updateTime"];
$tokenfile = $oauth_file;
$fh = fopen($tokenfile, 'w');
$tokenfile="<?php \$accessToken=\"".$accessToken."\"; \$refreshToken=\"".$refreshToken."\";?>";
fwrite($fh,$tokenfile);
fclose($fh);
}
function check_token( $FQDN,$api_key,$secret_key,$scope, $fullToken,$oauth_file){
$currentTime=time();
if ( ($fullToken["updateTime"] == null) || ($fullToken["updateTime"] <= $currentTime)){
$fullToken=GetAccessToken($FQDN,$api_key,$secret_key,$scope);
if( $fullToken["accessToken"] == null ){
// echo $fullToken["errorMessage"];
}else{
// echo $fullToken["accessToken"];
SaveToken( $fullToken,$oauth_file );
}
}
elseif ($fullToken["refreshTime"]<= $currentTime){
$fullToken=RefreshToken($FQDN,$api_key,$secret_key,$scope, $fullToken);
if( $fullToken["accessToken"] == null ){
// echo $fullToken["errorMessage"];
}else{
// echo $fullToken["accessToken"];
SaveToken( $fullToken,$oauth_file );
}
}
return $fullToken;
}
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xml:lang="en" xmlns="http://www.w3.org/1999/xhtml" lang="en">
<head>
<title>AT&T Sample Speech Application - Speech to Text (Generic) Application</title>
<meta content="text/html; charset=UTF-8" http-equiv="Content-Type" />
<link rel="stylesheet" type="text/css" href="style/common.css"/>
</head>
<body>
<div id="container">
<!-- open HEADER -->
<div id="header">
<div>
<div class="hcRight">
<?php echo date("D M j G:i:s T Y");?>
</div>
<div class="hcLeft">
Server Time:</div>
</div>
<div>
<div class="hcRight">
<script language="JavaScript" type="text/javascript">
var myDate = new Date();
document.write(myDate);
</script>
</div>
<div class="hcLeft">
Client Time:</div>
</div>
<div>
<div class="hcRight">
<script language="JavaScript" type="text/javascript">
document.write("" + navigator.userAgent);
</script>
</div>
<div class="hcLeft">
User Agent:</div>
</div>
<br clear="all" />
</div>
<!-- close HEADER -->
<div>
<div class="content">
<h1>
AT&T Sample Speech Application - Speech to Text (Generic) Application</h1>
<h2>
Feature 1: Speech to Text (Generic)</h2>
</div>
</div>
<br />
<br />
<form enctype="multipart/form-data" name="SpeechToText" action="" method="post">
<div class="navigation">
<table border="0" width="100%">
<tbody>
<tr>
<td width="20%" valign="top" class="label">Audio File:</td>
<td class="cell"><input name="f1" type="file"></td>
</tr>
<tr>
<td />
<td>
<div id="extraleft">
<div class="warning">
<strong>Note:</strong><br />
If no file is chosen, a <a href="./bostonSeltics.wav">default.wav</a> file will be loaded on submit.<br />
<strong>Speech file format constraints:</strong> <br />
. 16 bit PCM WAV, single channel, 8 kHz sampling<br />
. AMR (narrowband), 12.2 kbit/s, 8 kHz sampling<br />
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<div id="extra">
<table>
<tbody>
<tr>
<td><button type="submit" name="SpeechToText" value="SpeechToText">Submit</button></td>
</tr>
</tbody>
</table>
</div>
</form>
<br clear="all" />
<div align="center">
<?php
if ($_REQUEST["SpeechToText"]) {
$fullToken["accessToken"]=$accessToken;
$fullToken["refreshToken"]=$refreshToken;
$fullToken["refreshTime"]=$refreshTime;
$fullToken["updateTime"]=$updateTime;
$fullToken=check_token($FQDN,$api_key,$secret_key,$scope,$fullToken,$oauth_file);
$accessToken=$fullToken["accessToken"];
$filename = $_FILES['f1']['name'];
if($filename == null) {
$filename = dirname(__FILE__).'/bostonSeltics.wav';
$file_binary = fread(fopen($filename, 'rb'), filesize($filename));
} else{
$temp_file = $_FILES['f1']["tmp_name"];
$dir = dirname($temp_file);
$file_binary = fread(fopen($temp_file, "r"), filesize($temp_file));
}
$ext = end(explode('.', $filename));
$type = 'audio/'.$ext;
if($type == 'audio/wav' || $type == 'audio/amr') {
$speech_info_url = $FQDN."/rest/1/SpeechToText";
$authorization = "Authorization: BEARER ".$accessToken;
$accept = 'Accept: application/json';
$content = "Content-Type:".$type;
$transfer_encoding = 'Content-Transfer-Encoding: chunked';
$context = 'X-SpeechContext: Generic';
$speech_info_request = curl_init();
curl_setopt($speech_info_request, CURLOPT_URL, $speech_info_url);
curl_setopt($speech_info_request, CURLOPT_HTTPGET, 1);
curl_setopt($speech_info_request, CURLOPT_HEADER, 0);
curl_setopt($speech_info_request, CURLINFO_HEADER_OUT, 1);
curl_setopt($speech_info_request, CURLOPT_HTTPHEADER, array($authorization, $context, $content, $transfer_encoding , $accept));
curl_setopt($speech_info_request, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($speech_info_request, CURLOPT_POSTFIELDS, $file_binary);
curl_setopt($speech_info_request, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($speech_info_request, CURLOPT_SSL_VERIFYHOST, false);
$speech_info_response = curl_exec($speech_info_request);
$responseCode=curl_getinfo($speech_info_request,CURLINFO_HTTP_CODE);
if($responseCode==200)
{
$jsonObj2 = json_decode($speech_info_response);
?><div class="successWide" align="left">
<strong>SUCCESS:</strong>
<br />
Response parameters listed below.
</div>
<table width="500" cellpadding="1" cellspacing="1" border="0">
<thead>
<tr>
<th width="50%" class="label">Parameter</th>
<th width="50%" class="label">Value</th>
</tr>
</thead>
<tbody>
<td class="cell" align="center"><em>ResponseId</em></td>
<td class="cell" align="center"><em><?php echo $jsonObj2->Recognition->ResponseId ?></em></td>
</tr>
<tr>
<td class="cell" align="center"><em>Hypothesis</em></td>
<td class="cell" align="center"><em> <?php echo $jsonObj2->Recognition->NBest[0]->Hypothesis ?></em></td>
</tr>
<tr>
<td class="cell" align="center"><em>LanguageId</em></td>
<td class="cell" align="center"><em><?php echo $jsonObj2->Recognition->NBest[0]->LanguageId?></em></td>
</tr>
<tr>
<td class="cell" align="center"><em>Confidence</em></td>
<td class="cell" align="center"><em><?php echo $jsonObj2->Recognition->NBest[0]->Confidence ?></em></td>
</tr>
<tr>
<td class="cell" align="center"><em>Grade</em></td>
<td class="cell" align="center"><em><?php echo $jsonObj2->Recognition->NBest[0]->Grade?></em></td>
</tr>
<tr>
<td class="cell" align="center"><em>ResultText</em></td>
<td class="cell" align="center"><em><?php echo $jsonObj2->Recognition->NBest[0]->ResultText?></em></td>
</tr>
<tr>
<td class="cell" align="center"><em>Words</em></td>
<td class="cell" align="center"><em><?php for ($i=0; $i<=100; $i++) { echo $jsonObj2->Recognition->NBest[0]->Words[$i]; echo ' '; }?></em></td>
</tr>
<tr>
<td class="cell" align="center"><em>WordScores</em></td>
<td class="cell" align="center"><em><?php for ($i=0; $i<=100; $i++) { echo $jsonObj2->Recognition->NBest[0]->WordScores[$i]; echo ' '; }?></em></td>
</tr>
</tbody>
</table><?php
}else{
$msghead="Error";
$msgdata=curl_error($speech_info_request);
$errormsg=$msgdata.$speech_info_response;
?>
<div class="errorWide">
<strong>ERROR:</strong><br />
<?php echo $errormsg?>
</div>
<?php }
curl_close ($speech_info_request);
}else{
?>
<div class="errorWide">
<strong>ERROR:</strong><br />
<?php echo "Invalid file specified. Valid file formats are .wav and .amr"?>
</div>
<?php }}
?>
<br clear="all" />
<div id="footer">
<div style="float: right; width: 20%; font-size: 9px; text-align: right">
Powered by AT&T Cloud Architecture</div>
<p>
© 2012 AT&T Intellectual Property. All rights reserved. <a href="http://developer.att.com/"
target="_blank">http://developer.att.com</a>
<br />
The Application hosted on this site are working examples intended to be used for
reference in creating products to consume AT&T Services and not meant to be
used as part of your product. The data in these pages is for test purposes only
and intended only for use as a reference in how the services perform.
<br />
For download of tools and documentation, please go to <a href="https://devconnect-api.att.com/"
target="_blank">https://devconnect-api.att.com</a>
<br />
For more information contact <a href="mailto:developer.support@att.com">developer.support@att.com</a></p>
</div>
</div>
<p>
</p>
</body>
</html>