Kentaro Sekimoto / GR-PEACH_Azure_Speech

To call Azure Marketplace Translation (and Speech) service

Dependencies:   EthernetInterface-FRDM HTTPClient-SSL R_BSP SDFileSystem TLV320_RBSP USBHost mbed-rtos mbed-src

The program calls Azure Marketplace Translation (and Speech) service.

How to use - Create an account for Microsoft Azure Marketplace - Get client ID and client secret. - Change client ID and client secret in main.cpp

The program was created based on the following libraries.

CodePlex Text-To-Speech with Microsoft Translator Service http://translatorservice.codeplex.com/

MBED HTTPClient-SSL Library https://developer.mbed.org/teams/MultiTech/code/HTTPClient-SSL/

/media/uploads/ksekimoto/gr-peach_cloud_speech_01.jpg

AdmAuthentication.cpp@1:a2bd45c3b373, 2015-11-07 (annotated)

Committer:
ksekimoto
Date:
Sat Nov 07 12:29:06 2015 +0000
Revision:
1:a2bd45c3b373
Parent:
0:40a09c55e5be 
To call Azure Marketplace Translation (and Speech) service.; The first version.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ksekimoto 0:40a09c55e5be 1 ////////////////////////////////////////////////////////////////////////////
ksekimoto 0:40a09c55e5be 2 // Licensed under the Apache License, Version 2.0 (the "License");
ksekimoto 0:40a09c55e5be 3 // you may not use this file except in compliance with the License.
ksekimoto 0:40a09c55e5be 4 // You may obtain a copy of the License at
ksekimoto 0:40a09c55e5be 5 //
ksekimoto 0:40a09c55e5be 6 // http://www.apache.org/licenses/LICENSE-2.0
ksekimoto 0:40a09c55e5be 7 //
ksekimoto 0:40a09c55e5be 8 // Unless required by applicable law or agreed to in writing, software
ksekimoto 0:40a09c55e5be 9 // distributed under the License is distributed on an "AS IS" BASIS,
ksekimoto 0:40a09c55e5be 10 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
ksekimoto 0:40a09c55e5be 11 // See the License for the specific language governing permissions and
ksekimoto 0:40a09c55e5be 12 // limitations under the License.
ksekimoto 0:40a09c55e5be 13 //
ksekimoto 0:40a09c55e5be 14 // Copyright (c) Microsoft Corporation. All rights reserved.
ksekimoto 0:40a09c55e5be 15 // Portions Copyright (c) Kentaro Sekimoto All rights reserved.
ksekimoto 0:40a09c55e5be 16 //
ksekimoto 0:40a09c55e5be 17 // Based on Text-To-Speech for .NET Micro Framework with Microsoft
ksekimoto 0:40a09c55e5be 18 // Translator Service
ksekimoto 0:40a09c55e5be 19 // https://code.msdn.microsoft.com/Text-To-Speech-for-NET-9cea4462
ksekimoto 0:40a09c55e5be 20 //
ksekimoto 0:40a09c55e5be 21 ////////////////////////////////////////////////////////////////////////////
ksekimoto 0:40a09c55e5be 22
ksekimoto 0:40a09c55e5be 23 #include "mbed.h"
ksekimoto 0:40a09c55e5be 24 #include "AdmAuthentication.h"
ksekimoto 0:40a09c55e5be 25 #include "HTTPClient.h"
ksekimoto 0:40a09c55e5be 26
ksekimoto 0:40a09c55e5be 27 #define MAX_DATAIN 1024
ksekimoto 0:40a09c55e5be 28 #define DATAMARKET_ACCESS_URI "https://datamarket.accesscontrol.windows.net/v2/OAuth2-13"
ksekimoto 0:40a09c55e5be 29 #define SCOPE "http://api.microsofttranslator.com"
ksekimoto 0:40a09c55e5be 30 #define HEADER "application/x-www-form-urlencoded"
ksekimoto 0:40a09c55e5be 31 #define TOKENTAG "access_token"
ksekimoto 0:40a09c55e5be 32
ksekimoto 0:40a09c55e5be 33 void urlencode(char *src, char *dst);
ksekimoto 0:40a09c55e5be 34
ksekimoto 0:40a09c55e5be 35 static char datain[MAX_DATAIN];
ksekimoto 0:40a09c55e5be 36 static HTTPText inText(datain, MAX_DATAIN);
ksekimoto 0:40a09c55e5be 37 static char token_buf[MAX_DATAIN];
ksekimoto 0:40a09c55e5be 38
ksekimoto 0:40a09c55e5be 39 char *AdmAuthentication::HttpPost(char *DatamarketAccessUri, char *requestDetails)
ksekimoto 0:40a09c55e5be 40 {
ksekimoto 0:40a09c55e5be 41 HTTPClient hc;
ksekimoto 0:40a09c55e5be 42 HTTPText outText(requestDetails);
ksekimoto 0:40a09c55e5be 43 outText.setDataType(HEADER);
ksekimoto 0:40a09c55e5be 44 #ifdef DEBUG_AUTH
ksekimoto 0:40a09c55e5be 45 printf("DatamarketAccessUri:%s\r\n", DatamarketAccessUri);
ksekimoto 0:40a09c55e5be 46 printf("requestDetails:%s\r\n", requestDetails);
ksekimoto 0:40a09c55e5be 47 #endif
ksekimoto 0:40a09c55e5be 48 hc.post((const char*)DatamarketAccessUri, outText, &inText);
ksekimoto 0:40a09c55e5be 49 #ifdef DEBUG_AUTH
ksekimoto 0:40a09c55e5be 50 printf("inText:%s\r\n", datain);
ksekimoto 0:40a09c55e5be 51 #endif
ksekimoto 0:40a09c55e5be 52 char *pTokenStart = strstr(datain, TOKENTAG);
ksekimoto 0:40a09c55e5be 53 if (pTokenStart == NULL) {
ksekimoto 0:40a09c55e5be 54 return (char *)NULL;
ksekimoto 0:40a09c55e5be 55 }
ksekimoto 0:40a09c55e5be 56 pTokenStart += (strlen(TOKENTAG) + 3);
ksekimoto 0:40a09c55e5be 57 char *pTokenEnd = strstr(pTokenStart, "\"");
ksekimoto 0:40a09c55e5be 58 if (pTokenEnd == NULL) {
ksekimoto 0:40a09c55e5be 59 return (char *)NULL;
ksekimoto 0:40a09c55e5be 60 }
ksekimoto 0:40a09c55e5be 61 strncpy(token_buf, pTokenStart, (pTokenEnd - pTokenStart));
ksekimoto 0:40a09c55e5be 62 token_buf[pTokenEnd - pTokenStart] = 0;
ksekimoto 0:40a09c55e5be 63 #ifdef DEBUG_AUTH
ksekimoto 0:40a09c55e5be 64 printf("access_token:%s\r\n", token_buf);
ksekimoto 0:40a09c55e5be 65 #endif
ksekimoto 0:40a09c55e5be 66 return (char *)token_buf;
ksekimoto 0:40a09c55e5be 67 }
ksekimoto 0:40a09c55e5be 68
ksekimoto 0:40a09c55e5be 69 char *AdmAuthentication::GetAccessToken()
ksekimoto 0:40a09c55e5be 70 {
ksekimoto 0:40a09c55e5be 71 return HttpPost((char *)DATAMARKET_ACCESS_URI, request);
ksekimoto 0:40a09c55e5be 72 }
ksekimoto 0:40a09c55e5be 73
ksekimoto 0:40a09c55e5be 74 AdmAuthentication::AdmAuthentication(char *clientID, char *clientSecret)
ksekimoto 0:40a09c55e5be 75 {
ksekimoto 0:40a09c55e5be 76 char encoded_scope[64];
ksekimoto 0:40a09c55e5be 77 id = clientID;
ksekimoto 0:40a09c55e5be 78 secret = clientSecret;
ksekimoto 0:40a09c55e5be 79 urlencode(id, encoded_id);
ksekimoto 0:40a09c55e5be 80 urlencode(secret, encoded_secret);
ksekimoto 0:40a09c55e5be 81 urlencode(SCOPE, encoded_scope);
ksekimoto 0:40a09c55e5be 82 sprintf(request, "grant_type=client_credentials&client_id=%s&client_secret=%s&scope=%s", id, encoded_secret, SCOPE);
ksekimoto 0:40a09c55e5be 83 }
ksekimoto 0:40a09c55e5be 84
ksekimoto 0:40a09c55e5be 85 AdmAuthentication::~AdmAuthentication()
ksekimoto 0:40a09c55e5be 86 {
ksekimoto 0:40a09c55e5be 87 }