Chilkat Examples

ChilkatHOMEAndroid™Classic ASPCC++C#Mono C#.NET Core C#C# UWP/WinRTDataFlexDelphi ActiveXDelphi DLLVisual FoxProJavaLianjaMFCObjective-CPerlPHP ActiveXPHP ExtensionPowerBuilderPowerShellPureBasicCkPythonChilkat2-PythonRubySQL ServerSwift 2Swift 3/4TclUnicode CUnicode C++Visual Basic 6.0VB.NETVB.NET UWP/WinRTVBScriptXojo PluginNode.jsExcelGo

Java Web API Examples

Primary Categories

AWS Translate
Activix CRM
Adyen
Amazon MWS
Azure Maps
Azure Monitor
Azure OAuth2
Azure Storage Accounts
Bluzone
CardConnect
ClickBank
Clickatell
Cloudfare
DocuSign
ETrade
Etsy
Facebook
GeoOp
GetHarvest
Jira
MYOB

Magento
Microsoft Calendar
Microsoft Group
Microsoft Tasks and Plans
Okta OAuth/OIDC
OneLogin OIDC
PayPal
Peoplevox
Populi
QuickBooks
SOAP finkok.com
Shippo
Shopify
Stripe
SugarCRM
Trello
Twitter
VoiceBase
Vonage
Walmart
Walmart v3
Xero
eBay
effectconnect

 

 

 

(Java) Xero OAuth1 Authorization (3-legged)

Demonstrates 3-legged OAuth1 authorization for Xero

Chilkat Java Downloads

Java Libs for Windows, Linux, Alpine Linux,
MAC OS X, Solaris, FreeBSD, OpenBSD,
Raspberry Pi and other single board computers

Java Libs for Android

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    String consumerKey = "XERO_CONSUMER_KEY";
    String consumerSecret = "XERO_CONSUMER_SECRET";

    String requestTokenUrl = "https://api.xero.com/oauth/RequestToken";
    String authorizeUrl = "https://api.xero.com/oauth/Authorize";
    String accessTokenUrl = "https://api.xero.com/oauth/AccessToken";

    // The port number is picked at random. It's some unused port that won't likely conflict with anything else..
    String callbackUrl = "http://localhost:3017/";
    int callbackLocalPort = 3017;

    // The 1st step in 3-legged OAuth1.0a is to send a POST to the request token URL to obtain an OAuth Request Token
    CkHttp http = new CkHttp();
    boolean success;

    http.put_OAuth1(true);
    http.put_OAuthConsumerKey(consumerKey);
    http.put_OAuthConsumerSecret(consumerSecret);
    http.put_OAuthCallback(callbackUrl);

    CkHttpRequest req = new CkHttpRequest();
    CkHttpResponse resp = http.PostUrlEncoded(requestTokenUrl,req);
    if (http.get_LastMethodSuccess() != true) {
        System.out.println(http.lastErrorText());
        return;
        }

    // If successful, the resp.BodyStr contains something like this:  
    // oauth_token=-Wa_KwAAAAAAxfEPAAABV8Qar4Q&oauth_token_secret=OfHY4tZBX2HK4f7yIw76WYdvnl99MVGB&oauth_callback_confirmed=true
    System.out.println(resp.bodyStr());

    CkHashtable hashTab = new CkHashtable();
    hashTab.AddQueryParams(resp.bodyStr());

    String requestToken = hashTab.lookupStr("oauth_token");
    String requestTokenSecret = hashTab.lookupStr("oauth_token_secret");
    http.put_OAuthTokenSecret(requestTokenSecret);

    System.out.println("oauth_token = " + requestToken);
    System.out.println("oauth_token_secret = " + requestTokenSecret);

    // ---------------------------------------------------------------------------
    // 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.
    CkStringBuilder sbUrlForBrowser = new CkStringBuilder();
    sbUrlForBrowser.Append(authorizeUrl);
    sbUrlForBrowser.Append("?oauth_token=");
    sbUrlForBrowser.Append(requestToken);
    String urlForBrowser = sbUrlForBrowser.getAsString();

    // When the urlForBrowser is loaded into a browser, the response from Xero will redirect back to localhost:3017
    // We'll need to start a socket that is listening on port 3017 for the callback from the browser.
    CkSocket listenSock = new CkSocket();

    int backLog = 5;
    success = listenSock.BindAndListen(callbackLocalPort,backLog);
    if (success != true) {
        System.out.println(listenSock.lastErrorText());
        return;
        }

    // Wait for the browser's connection in a background thread.
    // (We'll send load the URL into the browser following this..)
    // Wait a max of 60 seconds before giving up.
    int maxWaitMs = 60000;
    CkTask task = listenSock.AcceptNextConnectionAsync(maxWaitMs);
    task.Run();

    //  At this point, your application should load the URL in a browser.
    //  For example,
    //  in C#:  System.Diagnostics.Process.Start(urlForBrowser);
    //  in Java: Desktop.getDesktop().browse(new URI(urlForBrowser));
    //  in VBScript: Set wsh=WScript.CreateObject("WScript.Shell")
    //               wsh.Run urlForBrowser
    //  The Xero 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...
    // System.Diagnostics.Process.Start(urlForBrowser);

    // Wait for the listenSock's task to complete.
    success = task.Wait(maxWaitMs);
    if (!success || (task.get_StatusInt() != 7) || (task.get_TaskSuccess() != true)) {
        if (!success) {
            // The task.LastErrorText applies to the Wait method call.
            System.out.println(task.lastErrorText());
            }
        else {
            // The ResultErrorText applies to the underlying task method call (i.e. the AcceptNextConnection)
            System.out.println(task.status());
            System.out.println(task.resultErrorText());
            }

        return;
        }

    // If we get to this point, the connection from the browser arrived and was accepted.

    // We no longer need the listen socket...
    // Stop listening on port 3017.
    listenSock.Close(10);

    // First get the connected socket.
    CkSocket sock = new CkSocket();
    sock.LoadTaskResult(task);

    // Read the start line of the request..
    String startLine = sock.receiveUntilMatch("\r\n");
    if (sock.get_LastMethodSuccess() != true) {
        System.out.println(sock.lastErrorText());
        return;
        }

    // Read the request header.
    String requestHeader = sock.receiveUntilMatch("\r\n\r\n");
    if (sock.get_LastMethodSuccess() != true) {
        System.out.println(sock.lastErrorText());
        return;
        }

    // The browser SHOULD be sending us a GET request, and therefore there is no body to the request.
    // Once the request header is received, we have all of it.
    // We can now send our HTTP response.
    CkStringBuilder sbResponseHtml = new CkStringBuilder();
    sbResponseHtml.Append("<html><body><p>Chilkat thanks you!</b></body</html>");

    CkStringBuilder sbResponse = new CkStringBuilder();
    sbResponse.Append("HTTP/1.1 200 OK\r\n");
    sbResponse.Append("Content-Length: ");
    sbResponse.AppendInt(sbResponseHtml.get_Length());
    sbResponse.Append("\r\n");
    sbResponse.Append("Content-Type: text/html\r\n");
    sbResponse.Append("\r\n");
    sbResponse.AppendSb(sbResponseHtml);

    sock.SendString(sbResponse.getAsString());
    sock.Close(50);

    // The information we need is in the startLine.
    // For example, the startLine will look something like this:
    //  GET /?oauth_token=abcdRQAAZZAAxfBBAAABVabcd_k&oauth_verifier=9rdOq5abcdCe6cn8M3jabcdj3Eabcd&org=mUkIZabcdKEababcd189t0 HTTP/1.1
    CkStringBuilder sbStartLine = new CkStringBuilder();
    sbStartLine.Append(startLine);
    int numReplacements = sbStartLine.Replace("GET /?","");
    numReplacements = sbStartLine.Replace(" HTTP/1.1","");
    sbStartLine.Trim();

    // oauth_token=abcdRQAAZZAAxfBBAAABVabcd_k&oauth_verifier=9rdOq5abcdCe6cn8M3jabcdj3Eabcd&org=mUkIZabcdKEababcd189t0
    System.out.println("startline: " + sbStartLine.getAsString());

    hashTab.Clear();
    hashTab.AddQueryParams(sbStartLine.getAsString());

    requestToken = hashTab.lookupStr("oauth_token");
    String authVerifier = hashTab.lookupStr("oauth_verifier");

    // ------------------------------------------------------------------------------
    // Finally , we must exchange the OAuth Request Token for an OAuth Access Token.

    http.put_OAuthToken(requestToken);
    http.put_OAuthVerifier(authVerifier);
    resp = http.PostUrlEncoded(accessTokenUrl,req);
    if (http.get_LastMethodSuccess() != true) {
        System.out.println(http.lastErrorText());
        return;
        }

    // Make sure a successful response was received.
    if (resp.get_StatusCode() != 200) {
        System.out.println(resp.statusLine());
        System.out.println(resp.header());
        System.out.println(resp.bodyStr());
        return;
        }

    // If successful, the resp.BodyStr contains something like this:
    // oauth_token=85123455-fF41296Bi3daM8eCo9Y5vZabcdxXpRv864plYPOjr&oauth_token_secret=afiYJOgabcdSfGae7BDvJVVTwys8fUGpra5guZxbmFBZo&oauth_expires_in=1800&xero_org_muid=abcdecNhPKabcdNjz189t0
    System.out.println(resp.bodyStr());

    hashTab.Clear();
    hashTab.AddQueryParams(resp.bodyStr());

    String accessToken = hashTab.lookupStr("oauth_token");
    String accessTokenSecret = hashTab.lookupStr("oauth_token_secret");
    String orgMuid = hashTab.lookupStr("xero_org_muid");
    String expiresIn = hashTab.lookupStr("oauth_expires_in");

    // The access token + secret is what should be saved and used for
    // subsequent REST API calls.
    System.out.println("Access Token = " + accessToken);
    System.out.println("Access Token Secret = " + accessTokenSecret);
    System.out.println("xero_org_muid = " + orgMuid);
    System.out.println("oauth_expires_in  = " + expiresIn);

    // Save this access token for future calls.
    // Just in case we need xero_org_muid and oauth_expires_in, save those also..
    CkJsonObject json = new CkJsonObject();
    json.AppendString("oauth_token",accessToken);
    json.AppendString("oauth_token_secret",accessTokenSecret);
    json.AppendString("xero_org_muid",orgMuid);
    json.AppendString("oauth_expires_in",expiresIn);

    CkFileAccess fac = new CkFileAccess();
    fac.WriteEntireTextFile("qa_data/tokens/xero.json",json.emit(),"utf-8",false);

    System.out.println("Success.");
  }
}

 

© 2000-2019 Chilkat Software, Inc. All Rights Reserved.