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(Java) Xero API through an SSH TunnelThis example demonstrates connecting through an SSH Tunnel w/ 2-legged OAuth for a Xero private application. This example requires Chilkat v9.5.0.64 or later
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[]) { // This example requires Chilkat v9.5.0.64 or later CkSocket tunnel = new CkSocket(); String sshHostname = "www.my-ssh-server.com"; int sshPort = 22; // Connect to an SSH server and establish the SSH tunnel: boolean success = tunnel.SshOpenTunnel(sshHostname,sshPort); if (success != true) { System.out.println(tunnel.lastErrorText()); return; } // Authenticate with the SSH server via a login/password // or with a public key. // This example demonstrates SSH password authentication. success = tunnel.SshAuthenticatePw("mySshLogin","mySshPassword"); if (success != true) { System.out.println(tunnel.lastErrorText()); return; } // OK, the SSH tunnel is setup. Now open a channel within the tunnel. // (Any number of channels may be created from the same SSH tunnel. // Multiple channels may coexist at the same time.) // This sample code would typically be placed in a subroutine or function // where the rest object is passed by reference. // It does the OAuth1 setup and makes the initial connection. CkRest rest = new CkRest(); CkSocket channel; boolean bTls = true; int port = 443; int maxWaitMs = 7000; // This returns a socket object that is a single channel within the SSH tunnel. channel = tunnel.SshOpenChannel("api.xero.com",port,bTls,maxWaitMs); if (tunnel.get_LastMethodSuccess() != true) { System.out.println(tunnel.lastErrorText()); return; } // Use the connection. (This connection is a TLS running on an SSH channel through an SSH tunnel. // In other words, TLS is wrapped within the SSH tunnel.) success = rest.UseConnection(channel,true); if (success != true) { System.out.println(rest.lastErrorText()); return; } // OK, we're connected. // ----------------------------------------------------------------- // Now setup the OAuth1 authenticator.. String consumerKey = "XERO_PRIVATE_APP_KEY"; String consumerSecret = "XERO_PRIVATE_APP_SECRET"; // Let's get our private key from our PFX (password protected), or the PEM (unprotected). // You can decide which to use. Either is OK, although I would recommend keeping your // private keys in a PFX and not in an unprotected PEM. CkPfx pfx = new CkPfx(); success = pfx.LoadPfxFile("qa_data/certs/xero_private_app/public_privatekey.pfx","PFX_PASSWORD"); if (success != true) { System.out.println(pfx.lastErrorText()); return; } CkPrivateKey privKeyFromPfx = pfx.GetPrivateKey(0); if (pfx.get_LastMethodSuccess() != true) { System.out.println(pfx.lastErrorText()); return; } // Or we can load from a PEM.. CkPrivateKey privKeyFromPem = new CkPrivateKey(); success = privKeyFromPem.LoadPemFile("qa_data/certs/xero_private_app/privatekey.pem"); if (success != true) { System.out.println(privKeyFromPem.lastErrorText()); return; } // Note: There are many other means for loading a private key, including // from other formats and directly from memory (i.e. not file-based). CkOAuth1 oauth1 = new CkOAuth1(); oauth1.put_ConsumerKey(consumerKey); oauth1.put_ConsumerSecret(consumerSecret); oauth1.put_Token(consumerKey); oauth1.put_TokenSecret(consumerSecret); oauth1.put_SignatureMethod("RSA-SHA1"); oauth1.SetRsaKey(privKeyFromPfx); // Install the OAuth1 authenticator. rest.SetAuthOAuth1(oauth1,false); System.out.println("OK, the Xero OAuth1 is initialized and the REST object is ready to make REST API calls.."); // ----------------------------------------------------------------- // Make a call to verify that OAuth1 through an HTTP proxy works.. // Get the full list of contacts. CkStringBuilder sbXml = new CkStringBuilder(); success = rest.FullRequestNoBodySb("GET","/api.xro/2.0/Contacts",sbXml); if (success != true) { System.out.println(rest.lastErrorText()); return; } // A 200 response is expected for actual success. if (rest.get_ResponseStatusCode() != 200) { System.out.println(sbXml.getAsString()); return; } // Iterate over the contacts.. boolean bAutoTrim = false; CkXml xml = new CkXml(); xml.LoadSb(sbXml,bAutoTrim); xml.SaveXml("qa_cache/xero_contacts.xml"); // How many records exist? int recordCount = xml.NumChildrenAt("Contacts"); System.out.println("numRecords = " + recordCount); int i = 0; while (i < recordCount) { xml.put_I(i); System.out.println("ContactID: " + xml.getChildContent("Contacts|Contact[i]|ContactID")); i = i+1; } } } |
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