From 9062c9789ce5da7a2dc89d23db7de6c732389f8d Mon Sep 17 00:00:00 2001
From: Ekaterina Tuzova <Ekaterina.Tuzova@jetbrains.com>
Date: Tue, 30 Jun 2015 15:01:17 +0300
Subject: [PATCH] accept Stepic certificate

---
 .../edu/stepic/EduStepicConnector.java        | 24 ++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

diff --git a/python/educational/src/com/jetbrains/edu/stepic/EduStepicConnector.java b/python/educational/src/com/jetbrains/edu/stepic/EduStepicConnector.java
index c2157b2e4b8c..0ca811c07b41 100644
--- a/python/educational/src/com/jetbrains/edu/stepic/EduStepicConnector.java
+++ b/python/educational/src/com/jetbrains/edu/stepic/EduStepicConnector.java
@@ -36,8 +36,15 @@ import org.apache.http.protocol.HTTP;
 import org.apache.http.util.EntityUtils;
 import org.jetbrains.annotations.NotNull;
 
+import javax.net.ssl.SSLContext;
+import javax.net.ssl.TrustManager;
+import javax.net.ssl.X509TrustManager;
 import java.io.IOException;
 import java.io.UnsupportedEncodingException;
+import java.security.KeyManagementException;
+import java.security.NoSuchAlgorithmException;
+import java.security.SecureRandom;
+import java.security.cert.X509Certificate;
 import java.util.*;
 
 public class EduStepicConnector {
@@ -68,15 +75,30 @@ public class EduStepicConnector {
 
     HttpClientBuilder builder = HttpClients.custom().setSslcontext(CertificateManager.getInstance().getSslContext()).setMaxConnPerRoute(100);
     ourCookieStore = new BasicCookieStore();
-    ourClient = builder.setDefaultCookieStore(ourCookieStore).build();
 
     try {
+      // Create a trust manager that does not validate certificate for this connection
+      TrustManager[] trustAllCerts = new TrustManager[]{new X509TrustManager() {
+        public X509Certificate[] getAcceptedIssuers() { return null; }
+        public void checkClientTrusted(X509Certificate[] certs, String authType) {}
+        public void checkServerTrusted(X509Certificate[] certs, String authType) {}
+      }};
+      SSLContext sslContext = SSLContext.getInstance("TLS");
+      sslContext.init(null, trustAllCerts, new SecureRandom());
+      ourClient = builder.setDefaultCookieStore(ourCookieStore).setSslcontext(sslContext).build();
+
       ourClient.execute(request);
       saveCSRFToken();
     }
     catch (IOException e) {
       LOG.error(e.getMessage());
     }
+    catch (NoSuchAlgorithmException e) {
+      LOG.error(e.getMessage());
+    }
+    catch (KeyManagementException e) {
+      LOG.error(e.getMessage());
+    }
   }
 
   private static void saveCSRFToken() {