issue-545: Enforce repository permissions in patch page

src/main/java/com/gitblit/wicket/pages/PatchPage.java

diff --git a/src/main/java/com/gitblit/wicket/pages/PatchPage.java b/src/main/java/com/gitblit/wicket/pages/PatchPage.java
index ece4136..bd904e1 100644
--- a/src/main/java/com/gitblit/wicket/pages/PatchPage.java
+++ b/src/main/java/com/gitblit/wicket/pages/PatchPage.java
@@ -20,6 +20,8 @@
 import org.eclipse.jgit.lib.Repository;

 import org.eclipse.jgit.revwalk.RevCommit;

 

+import com.gitblit.models.RepositoryModel;

+import com.gitblit.models.UserModel;

 import com.gitblit.utils.DiffUtils;

 import com.gitblit.utils.JGitUtils;

 import com.gitblit.utils.StringUtils;

@@ -31,13 +33,12 @@
 @CacheControl(LastModified.BOOT)

 public class PatchPage extends SessionPage {

 

-	public PatchPage(PageParameters params) {

+	public PatchPage(final PageParameters params) {

 		super(params);

 

 		if (!params.containsKey("r")) {

-			GitBlitWebSession.get().cacheErrorMessage(getString("gb.repositoryNotSpecified"));

+			error(getString("gb.repositoryNotSpecified"));

 			redirectToInterceptPage(new RepositoriesPage());

-			return;

 		}

 

 		final String repositoryName = WicketUtils.getRepositoryName(params);

@@ -45,9 +46,20 @@
 		final String objectId = WicketUtils.getObject(params);

 		final String blobPath = WicketUtils.getPath(params);

 

+		GitBlitWebSession session = GitBlitWebSession.get();

+		UserModel user = session.getUser();

+

+		RepositoryModel model = app().repositories().getRepositoryModel(user, repositoryName);

+		if (model == null) {

+			// user does not have permission

+			error(getString("gb.canNotLoadRepository") + " " + repositoryName);

+			redirectToInterceptPage(new RepositoriesPage());

+			return;

+		}

+

 		Repository r = app().repositories().getRepository(repositoryName);

 		if (r == null) {

-			GitBlitWebSession.get().cacheErrorMessage(getString("gb.canNotLoadRepository") + " " + repositoryName);

+			error(getString("gb.canNotLoadRepository") + " " + repositoryName);

 			redirectToInterceptPage(new RepositoriesPage());

 			return;

 		}

@@ -67,4 +79,5 @@
 		add(new Label("patchText", patch));

 		r.close();

 	}

+

 }