[client] more error handling changes for BWIDM Auth

1 files changed, 36 insertions, 4 deletions

diff --git a/dozentenmodul/src/main/java/auth/BWIDMAuthenticator.java b/dozentenmodul/src/main/java/auth/BWIDMAuthenticator.java
index e4da3cc3..40c1d2eb 100644
--- a/dozentenmodul/src/main/java/auth/BWIDMAuthenticator.java
+++ b/dozentenmodul/src/main/java/auth/BWIDMAuthenticator.java
@@ -1,5 +1,11 @@
 package auth;
 
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URISyntaxException;
+
+import org.apache.http.ParseException;
+import org.apache.http.client.ClientProtocolException;
 import org.apache.log4j.Logger;
 import org.apache.thrift.TException;
 import org.openslx.bwlp.thrift.iface.TAuthenticationException;
@@ -7,6 +13,8 @@ import org.openslx.bwlp.thrift.iface.TInvalidTokenException;
 import org.openslx.bwlp.thrift.iface.UserInfo;
 import org.openslx.thrifthelper.ThriftManager;
 
+import com.google.gson.JsonSyntaxException;
+
 import util.ShibbolethECP;
 import util.ShibbolethECP.ReturnCode;
 
@@ -36,10 +44,30 @@ public class BWIDMAuthenticator implements BaseAuthenticator {
 	@Override
 	public void login(String username, String password,
 			AuthenticatorCallback callback) throws TAuthenticationException {
-		// sanity check on the ecpUrl, should have been set
-		
-		ReturnCode ret = ShibbolethECP.doLogin(this.ecpUrl, username, password);
+		// try to login
+		ReturnCode ret = null;
+		try {
+			ret = ShibbolethECP.doLogin(this.ecpUrl, username, password);
+		} catch (JsonSyntaxException e) {
+			LOGGER.error("Could not parse JSON response from the service provider: ", e);
+		} catch (ClientProtocolException e) {
+			LOGGER.error("HTTP client protocol error: ", e);
+		} catch (ParseException e) {
+			LOGGER.error("Error parsing the raw response body from the service provider: ", e);
+		} catch (MalformedURLException e) {
+			LOGGER.error("Bad syntax of the registration URL returned by the service provider: ", e);
+		} catch (URISyntaxException e) {
+			LOGGER.error("Bad syntax of the URL to the identity provider: ", e);
+		} catch (IOException e) {
+			LOGGER.error("IO Error while communicating with the service provider: ", e);
+		}
+		// if ret is still null, some exception happened, so abort.
+		if (ret == null) {
+			LOGGER.error("Error during the ECP authentication process.");
+			return;
+		}
 
+		// else, we do have a valid ReturnCode
 		if (ret == ReturnCode.NO_ERROR) {
 			UserInfo userInfo;
 			try {
@@ -51,7 +79,11 @@ public class BWIDMAuthenticator implements BaseAuthenticator {
 				LOGGER.error("Thrift transport error, see trace: ", e);
 				return;
 			}
-			callback.postLogin(userInfo);
+			callback.postLogin(ReturnCode.NO_ERROR, userInfo);
+		} else {
+			// else just return the ReturnCode to the GUI
+			// it should then show a corresponding error message!
+			callback.postLogin(ret, null);
 		}
 	}
 }