Github: select 'Host' part of url for list of trusted hosts

Before this commit we save 'https://mycompany.com/github' from settings and compare it with 'mycompany.com' from URI

plugins/github/src/org/jetbrains/plugins/github/util/GithubSslSupport.java

@@ -111,7 +111,13 @@ public class GithubSslSupport {
   }
 
   @CalledInAwt
-  public boolean askIfShouldProceed(final String host) {
+  public boolean askIfShouldProceed(final String url) {
+    String host = GithubUrlUtil.getHostFromUrl(url);
+    if (host == null) {
+      GithubUtil.LOG.warn("Bad SSL host: " + url);
+      return false;
+    }
+
     final String BACK_TO_SAFETY = "No, I don't trust";
     final String TRUST = "Proceed anyway";
     //int choice = Messages.showDialog("The security certificate of " + host + " is not trusted. Do you want to proceed anyway?",

plugins/github/src/org/jetbrains/plugins/github/util/GithubUrlUtil.java

@@ -16,6 +16,8 @@
 package org.jetbrains.plugins.github.util;
 
 import com.intellij.openapi.util.text.StringUtil;
+import org.apache.commons.httpclient.URI;
+import org.apache.commons.httpclient.URIException;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.plugins.github.api.GithubApiUtil;
@@ -71,6 +73,19 @@ public class GithubUrlUtil {
     return "https://" + getGitHostWithoutProtocol();
   }
 
+  /**
+   * E.g.: https://github.com/suffix/ -> github.com
+   */
+  @Nullable
+  public static String getHostFromUrl(@NotNull String url) {
+    try {
+      return new URI(url, false).getHost();
+    }
+    catch (URIException e) {
+      return null;
+    }
+  }
+
   /**
    * E.g.: github.com
    *       my.company.url