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(Unicode C) ETrade OAuth1 Authorization (3-legged) Step 1Demonstrates the first step in 3-legged OAuth1 authorization for the ETrade REST API. This example sends an HTTP request to the "request token URL" to get a request token that begins the OAuth1 process. (See https://apisb.etrade.com/docs/api/authorization/request_token.html ) This example uses the sandbox request token URL. The live request token URL would be "https://api.etrade.com/oauth/request_token".
#include <C_CkHttpW.h> #include <C_CkHttpResponseW.h> #include <C_CkHashtableW.h> #include <C_CkJsonObjectW.h> #include <C_CkFileAccessW.h> #include <C_CkStringBuilderW.h> void ChilkatSample(void) { const wchar_t *consumerKey; const wchar_t *consumerSecret; const wchar_t *requestTokenUrl; HCkHttpW http; BOOL success; HCkHttpResponseW resp; HCkHashtableW hashTab; const wchar_t *requestToken; const wchar_t *requestTokenSecret; HCkJsonObjectW json; HCkFileAccessW fac; const wchar_t *authorizeUrl; HCkStringBuilderW sbUrlForBrowser; const wchar_t *url; // This requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. consumerKey = L"ETRADE_CONSUMER_KEY"; consumerSecret = L"ETRADE_CONSUMER_SECRET"; // Note: This example uses the sandbox request token URL. // The live Get Request Token Request URL is: // https://api.etrade.com/oauth/request_token // This example will use the Sandbox Token Request URL: requestTokenUrl = L"https://apisb.etrade.com/oauth/request_token"; http = CkHttpW_Create(); success = TRUE; CkHttpW_putOAuth1(http,TRUE); CkHttpW_putOAuthConsumerKey(http,consumerKey); CkHttpW_putOAuthConsumerSecret(http,consumerSecret); CkHttpW_putOAuthCallback(http,L"oob"); resp = CkHttpW_QuickGetObj(http,requestTokenUrl); if (CkHttpW_getLastMethodSuccess(http) != TRUE) { wprintf(L"%s\n",CkHttpW_lastErrorText(http)); CkHttpW_Dispose(http); return; } // If successful, the resp.BodyStr contains something like this: // oauth_token=-Wa_KwAAAAAAxfEPAAABV8Qar4Q&oauth_token_secret=OfHY4tZBX2HK4f7yIw76WYdvnl99MVGB&oauth_callback_confirmed=true wprintf(L"%s\n",CkHttpResponseW_bodyStr(resp)); hashTab = CkHashtableW_Create(); CkHashtableW_AddQueryParams(hashTab,CkHttpResponseW_bodyStr(resp)); requestToken = CkHashtableW_lookupStr(hashTab,L"oauth_token"); requestTokenSecret = CkHashtableW_lookupStr(hashTab,L"oauth_token_secret"); CkHttpW_putOAuthTokenSecret(http,requestTokenSecret); CkHttpResponseW_Dispose(resp); wprintf(L"oauth_token = %s\n",requestToken); wprintf(L"oauth_token_secret = %s\n",requestTokenSecret); // Save this request token for the next step.. json = CkJsonObjectW_Create(); CkJsonObjectW_AppendString(json,L"oauth_token",requestToken); CkJsonObjectW_AppendString(json,L"oauth_token_secret",requestTokenSecret); fac = CkFileAccessW_Create(); CkFileAccessW_WriteEntireTextFile(fac,L"qa_data/tokens/etrade_request_token.json",CkJsonObjectW_emit(json),L"utf-8",FALSE); // --------------------------------------------------------------------------- // The next step is to form a URL to send to the authorizeUrl // This is an HTTP GET that we load into a popup browser. authorizeUrl = L"https://us.etrade.com/e/t/etws/authorize"; sbUrlForBrowser = CkStringBuilderW_Create(); CkStringBuilderW_Append(sbUrlForBrowser,authorizeUrl); CkStringBuilderW_Append(sbUrlForBrowser,L"?key="); CkStringBuilderW_Append(sbUrlForBrowser,consumerKey); CkStringBuilderW_Append(sbUrlForBrowser,L"&token="); CkStringBuilderW_Append(sbUrlForBrowser,requestToken); url = CkStringBuilderW_getAsString(sbUrlForBrowser); // At this point, your application should load the URL in a browser. // For example, // in C#: System.Diagnostics.Process.Start(url); // in Java: Desktop.getDesktop().browse(new URI(url)); // in VBScript: Set wsh=WScript.CreateObject("WScript.Shell") // wsh.Run url // in Xojo: ShowURL(url) (see http://docs.xojo.com/index.php/ShowURL) // in Dataflex: Runprogram Background "c:\Program Files\Internet Explorer\iexplore.exe" sUrl // The Microsoft account owner would interactively accept or deny the authorization request. // Add the code to load the url in a web browser here... // Add the code to load the url in a web browser here... // Add the code to load the url in a web browser here... // The ETrade account owner will login and grant access to the application. // A short verifier code will be displayed (as shown below), and this must be copy-and-pasted // into the next step to Complete the 3-legged OAuth1 Authorization // Note: The browser will NOT automatically direct you to the next page. // You should copy the verifier code, close the browser, and then paste the verifier // code into your application. // CkHttpW_Dispose(http); CkHashtableW_Dispose(hashTab); CkJsonObjectW_Dispose(json); CkFileAccessW_Dispose(fac); CkStringBuilderW_Dispose(sbUrlForBrowser); } |
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