From 304ec65d1994bb408668b215d7680273d0d7c858 Mon Sep 17 00:00:00 2001
From: Jonathan Bauer
Date: Fri, 5 Dec 2014 15:28:55 +0100
Subject: [client] preparations for parsing the response of the SP

---
 dozentenmodul/pom.xml                              |  6 +++
 .../main/java/util/ServiceProviderResponse.java    | 14 +++++++
 .../src/main/java/util/ShibbolethECP.java          | 49 +++++++++++++++++++++-
 3 files changed, 68 insertions(+), 1 deletion(-)
 create mode 100644 dozentenmodul/src/main/java/util/ServiceProviderResponse.java

(limited to 'dozentenmodul')

diff --git a/dozentenmodul/pom.xml b/dozentenmodul/pom.xml
index 2ceff87a..dd7c9523 100644
--- a/dozentenmodul/pom.xml
+++ b/dozentenmodul/pom.xml
@@ -254,6 +254,12 @@
 		<artifactId>ecp-client-lean</artifactId>
 		<version>0.0.2-SNAPSHOT</version>
     </dependency>
+		<dependency>
+			<groupId>com.google.code.gson</groupId>
+			<artifactId>gson</artifactId>
+			<version>2.2.4</version>
+			<scope>compile</scope>
+		</dependency>
   </dependencies>
 </project>
 
diff --git a/dozentenmodul/src/main/java/util/ServiceProviderResponse.java b/dozentenmodul/src/main/java/util/ServiceProviderResponse.java
new file mode 100644
index 00000000..62819ded
--- /dev/null
+++ b/dozentenmodul/src/main/java/util/ServiceProviderResponse.java
@@ -0,0 +1,14 @@
+package util;
+
+public class ServiceProviderResponse {
+	private String status;
+
+	public String getStatus() {
+		return status;
+	}
+
+	public void setStatus(String sTATUS) {
+		status = sTATUS;
+	}
+	
+}
diff --git a/dozentenmodul/src/main/java/util/ShibbolethECP.java b/dozentenmodul/src/main/java/util/ShibbolethECP.java
index 2bc9494f..87f1c57a 100644
--- a/dozentenmodul/src/main/java/util/ShibbolethECP.java
+++ b/dozentenmodul/src/main/java/util/ShibbolethECP.java
@@ -1,10 +1,20 @@
 package util;
 
+import java.io.IOException;
 import java.net.URI;
 import java.net.URISyntaxException;
 
+import org.apache.http.HttpResponse;
+import org.apache.http.ParseException;
+import org.apache.http.client.ClientProtocolException;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.util.EntityUtils;
 import org.apache.log4j.Logger;
 
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.JsonSyntaxException;
+
 import edu.kit.scc.dei.ecplean.ECPAuthenticationException;
 import edu.kit.scc.dei.ecplean.ECPAuthenticator;
 
@@ -16,6 +26,11 @@ public class ShibbolethECP {
 	 */
 	private final static Logger LOGGER = Logger.getLogger(ShibbolethECP.class);
 
+	/**
+	 * Static gson object for (de)serialization
+	 */
+	private static final Gson GSON = new GsonBuilder().create();
+	
 	/**
 	 * Static URI to the SP.
 	 */
@@ -70,6 +85,7 @@ public class ShibbolethECP {
 			auth = new ECPAuthenticator(user, pass, new URI(idpUrl), BWLP_SP);
 		} catch (URISyntaxException e) {
 			LOGGER.error("Bad URI syntax, see trace: ", e);
+			return false;
 		}
     if (auth == null) {
 			LOGGER.error("Initialising ECP authentication failed, aborting...");
@@ -81,8 +97,39 @@ public class ShibbolethECP {
 			LOGGER.error("ECP Authentication Exception, see trace: ", e);
 			return false;
     }
+    // here test again for the SPURL
+    HttpGet testSp = new HttpGet("https://bwlp-masterserver.ruf.uni-freiburg.de/test.json");
+    HttpResponse response = null;
+    try {
+			response = auth.getHttpClient().execute(testSp);
+		} catch (ClientProtocolException e) {
+			LOGGER.error("Bad protocol, see trace: ", e);
+			return false;
+		} catch (IOException e) {
+			LOGGER.error("I/O error, see trace: ", e);
+			return false;
+		}
+    LOGGER.debug("SP request returned: " + response.getStatusLine());
+    String responseBody = null;
+    try {
+			responseBody = EntityUtils.toString(response.getEntity());
+		} catch (ParseException e) {
+			LOGGER.error("Parsing error, see trace: ", e);
+			return false;
+		} catch (IOException e) {
+			LOGGER.error("I/O error, see trace: ", e);
+			return false;
+		}
+    ServiceProviderResponse spr = null;
+    try {
+    	spr = GSON.fromJson(responseBody, ServiceProviderResponse.class);
+    } catch (JsonSyntaxException e) {
+    	LOGGER.error("Bad JSON syntax, see trace: ", e);
+    	return false;
+    }
+    LOGGER.debug("SP JSON STATUS: " + spr.getStatus());
     // TODO: here we will need to parse the answer accordingly.
     // no errors, meaning everything worked fine.
-    return true;
+    return spr.getStatus().equals("funzt") ? true : false;
 	}
 }
-- 
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