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(Unicode C) Vonage UC Extend Refresh Access TokenRefreshes the access token for Vonage UC Extend apps.
#include <C_CkJsonObjectW.h> #include <C_CkOAuth2W.h> #include <C_CkDateTimeW.h> #include <C_CkStringBuilderW.h> void ChilkatSample(void) { HCkJsonObjectW jsonToken; BOOL success; HCkOAuth2W oauth2; HCkDateTimeW dtExpire; HCkStringBuilderW sbJson; // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // See Get Vonage UC Access Token // for sample code showing how to obtain a Vonage access token for desktop apps. jsonToken = CkJsonObjectW_Create(); success = CkJsonObjectW_LoadFile(jsonToken,L"qa_data/tokens/vonage_uc_extend.json"); if (success != TRUE) { wprintf(L"Failed to load hmrc.json\n"); CkJsonObjectW_Dispose(jsonToken); return; } oauth2 = CkOAuth2W_Create(); CkOAuth2W_putTokenEndpoint(oauth2,L"https://api.vonage.com/token"); // Replace these with actual values. CkOAuth2W_putClientId(oauth2,L"CLIENT_ID"); CkOAuth2W_putClientSecret(oauth2,L"CLIENT_SECRET"); // Get the "refresh_token" CkOAuth2W_putRefreshToken(oauth2,CkJsonObjectW_stringOf(jsonToken,L"refresh_token")); // Send the HTTP POST to refresh the access token.. success = CkOAuth2W_RefreshAccessToken(oauth2); if (success != TRUE) { wprintf(L"%s\n",CkOAuth2W_lastErrorText(oauth2)); CkJsonObjectW_Dispose(jsonToken); CkOAuth2W_Dispose(oauth2); return; } // Load the access token response into the json object CkJsonObjectW_Load(jsonToken,CkOAuth2W_accessTokenResponse(oauth2)); // If an "expires_on" member does not exist, then add the JSON member by // getting the current system date/time and adding the "expires_in" seconds. // This way we'll know when the token expires. if (CkJsonObjectW_HasMember(jsonToken,L"expires_on") == FALSE) { dtExpire = CkDateTimeW_Create(); CkDateTimeW_SetFromCurrentSystemTime(dtExpire); CkDateTimeW_AddSeconds(dtExpire,CkJsonObjectW_IntOf(jsonToken,L"expires_in")); CkJsonObjectW_AppendString(jsonToken,L"expires_on",CkDateTimeW_getAsUnixTimeStr(dtExpire,FALSE)); } // Save the new JSON access token response to a file. // The access + refresh tokens contained in this JSON will be needed for the next refresh. sbJson = CkStringBuilderW_Create(); CkJsonObjectW_putEmitCompact(jsonToken,FALSE); CkJsonObjectW_EmitSb(jsonToken,sbJson); CkStringBuilderW_WriteFile(sbJson,L"qa_data/tokens/vonage_uc_extend.json",L"utf-8",FALSE); wprintf(L"OAuth2 authorization granted!\n"); wprintf(L"New Access Token = %s\n",CkOAuth2W_accessToken(oauth2)); CkJsonObjectW_Dispose(jsonToken); CkOAuth2W_Dispose(oauth2); CkDateTimeW_Dispose(dtExpire); CkStringBuilderW_Dispose(sbJson); } |
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