Address review comments

bramble-api/src/main/java/org/briarproject/bramble/api/identity/Author.java

@@ -13,7 +13,9 @@ import javax.annotation.concurrent.Immutable;
 @NotNullByDefault
 public class Author {
 
-	public enum Status {ANONYMOUS, UNKNOWN, UNVERIFIED, VERIFIED, OURSELVES}
+	public enum Status {
+		NONE, ANONYMOUS, UNKNOWN, UNVERIFIED, VERIFIED, OURSELVES
+	}
 
 	private final AuthorId id;
 	private final String name;

briar-android/src/main/java/org/briarproject/briar/android/blog/BlogPostViewHolder.java

@@ -169,7 +169,7 @@ class BlogPostViewHolder extends RecyclerView.ViewHolder {
 		reblogger.setVisibility(VISIBLE);
 		reblogger.setPersona(AuthorView.REBLOGGER);
 
-		author.setPersona(item.getHeader().getParent().isRssFeed() ?
+		author.setPersona(item.getHeader().getRootPost().isRssFeed() ?
 				AuthorView.RSS_FEED_REBLOGGED :
 				AuthorView.COMMENTER);
 

briar-android/src/main/java/org/briarproject/briar/android/blog/RssFeedAdapter.java

@@ -39,12 +39,7 @@ class RssFeedAdapter extends BriarAdapter<Feed, RssFeedAdapter.FeedViewHolder> {
 		if (item == null) return;
 
 		// Feed Title
-		if (item.getTitle() != null) {
-			ui.title.setText(item.getTitle());
-			ui.title.setVisibility(VISIBLE);
-		} else {
-			ui.title.setVisibility(GONE);
-		}
+		ui.title.setText(item.getTitle());
 
 		// Delete Button
 		ui.delete.setOnClickListener(new OnClickListener() {

briar-android/src/main/java/org/briarproject/briar/android/view/AuthorView.java

@@ -30,6 +30,7 @@ import static android.content.Context.LAYOUT_INFLATER_SERVICE;
 import static android.content.Intent.FLAG_ACTIVITY_CLEAR_TOP;
 import static android.graphics.Typeface.BOLD;
 import static android.util.TypedValue.COMPLEX_UNIT_PX;
+import static org.briarproject.bramble.api.identity.Author.Status.NONE;
 import static org.briarproject.bramble.api.identity.Author.Status.OURSELVES;
 import static org.briarproject.briar.android.activity.BriarActivity.GROUP_ID;
 
@@ -85,7 +86,13 @@ public class AuthorView extends RelativeLayout {
 	}
 
 	public void setAuthorStatus(Status status) {
-		trustIndicator.setTrustLevel(status);
+		if (status != NONE) {
+			trustIndicator.setTrustLevel(status);
+			trustIndicator.setVisibility(VISIBLE);
+		} else {
+			trustIndicator.setVisibility(GONE);
+		}
+
 		if (status == OURSELVES) {
 			authorName.setTypeface(authorNameTypeface, BOLD);
 		} else {
@@ -129,8 +136,9 @@ public class AuthorView extends RelativeLayout {
 	/**
 	 * Styles this view for a different persona.
 	 *
-	 * Attention: If used in a RecyclerView with RSS_FEED,
-	 *            call this after setAuthor()
+	 * Attention: RSS_FEED and RSS_FEED_REBLOGGED change the avatar
+	 *            and override the one set by
+	 *            {@link AuthorView#setAuthor(Author)}.
 	 */
 	public void setPersona(int persona) {
 		switch (persona) {

briar-android/src/main/res/values/strings.xml

@@ -305,7 +305,7 @@
 	<string name="blogs_rss_feeds_manage_author">Author:</string>
 	<string name="blogs_rss_feeds_manage_updated">Last Updated:</string>
 	<string name="blogs_rss_remove_feed">Remove Feed</string>
-	<string name="blogs_rss_remove_feed_dialog_message">Are you sure that you want to remove this feed and all its posts?\nNote that this will not remove the feed\'s blog from other people\'s devices.</string>
+	<string name="blogs_rss_remove_feed_dialog_message">Are you sure you want to remove this feed and all its posts?\nAny posts you have shared will not be removed from other people\'s devices.</string>
 	<string name="blogs_rss_remove_feed_ok">Remove Feed</string>
 	<string name="blogs_rss_feeds_manage_delete_error">The feed could not be deleted!</string>
 	<string name="blogs_rss_feeds_manage_empty_state">You haven\'t imported any RSS feeds.\n\nWhy don\'t you click the plus in the top right screen corner to add your first?</string>

briar-api/src/main/java/org/briarproject/briar/api/blog/BlogCommentHeader.java

@@ -41,8 +41,12 @@ public class BlogCommentHeader extends BlogPostHeader {
 	}
 
 	public BlogPostHeader getParent() {
+		return parent;
+	}
+
+	public BlogPostHeader getRootPost() {
 		if (parent instanceof BlogCommentHeader)
-			return ((BlogCommentHeader) parent).getParent();
+			return ((BlogCommentHeader) parent).getRootPost();
 		return parent;
 	}
 

briar-api/src/main/java/org/briarproject/briar/api/feed/Feed.java

@@ -16,18 +16,16 @@ public class Feed {
 	private final Blog blog;
 	private final LocalAuthor localAuthor;
 	@Nullable
-	private final String title, description, author;
+	private final String description, author;
 	private final long added, updated, lastEntryTime;
 
 	public Feed(String url, Blog blog, LocalAuthor localAuthor,
-			@Nullable String title, @Nullable String description,
-			@Nullable String author, long added, long updated,
-			long lastEntryTime) {
+			@Nullable String description, @Nullable String author, long added,
+			long updated, long lastEntryTime) {
 
 		this.url = url;
 		this.blog = blog;
 		this.localAuthor = localAuthor;
-		this.title = title;
 		this.description = description;
 		this.author = author;
 		this.added = added;
@@ -36,13 +34,12 @@ public class Feed {
 	}
 
 	public Feed(String url, Blog blog, LocalAuthor localAuthor,
-			@Nullable String title, @Nullable String description,
-			@Nullable String author, long added) {
-		this(url, blog, localAuthor, title, description, author, added, 0L, 0L);
+			@Nullable String description, @Nullable String author, long added) {
+		this(url, blog, localAuthor, description, author, added, 0L, 0L);
 	}
 
 	public Feed(String url, Blog blog, LocalAuthor localAuthor, long added) {
-		this(url, blog, localAuthor, null, null, null, added, 0L, 0L);
+		this(url, blog, localAuthor, null, null, added, 0L, 0L);
 	}
 
 	public String getUrl() {
@@ -61,9 +58,8 @@ public class Feed {
 		return localAuthor;
 	}
 
-	@Nullable
 	public String getTitle() {
-		return title;
+		return blog.getName();
 	}
 
 	@Nullable

briar-api/src/main/java/org/briarproject/briar/api/feed/FeedConstants.java

@@ -21,7 +21,6 @@ public interface FeedConstants {
 	String KEY_BLOG_TITLE = "blogTitle";
 	String KEY_PUBLIC_KEY = "publicKey";
 	String KEY_PRIVATE_KEY = "privateKey";
-	String KEY_FEED_TITLE = "feedTitle";
 	String KEY_FEED_DESC = "feedDesc";
 	String KEY_FEED_AUTHOR = "feedAuthor";
 	String KEY_FEED_ADDED = "feedAdded";

briar-core/src/main/java/org/briarproject/briar/blog/BlogFactoryImpl.java

@@ -14,6 +14,9 @@ import org.briarproject.briar.api.blog.BlogFactory;
 import javax.annotation.concurrent.Immutable;
 import javax.inject.Inject;
 
+import static org.briarproject.bramble.api.identity.AuthorConstants.MAX_AUTHOR_NAME_LENGTH;
+import static org.briarproject.bramble.api.identity.AuthorConstants.MAX_PUBLIC_KEY_LENGTH;
+
 @Immutable
 @NotNullByDefault
 class BlogFactoryImpl implements BlogFactory {
@@ -58,13 +61,21 @@ class BlogFactoryImpl implements BlogFactory {
 	}
 
 	@Override
-	public Blog parseBlog(Group g) throws FormatException {
-		byte[] descriptor = g.getDescriptor();
+	public Blog parseBlog(Group group) throws FormatException {
+		byte[] descriptor = group.getDescriptor();
 		// Author Name, Public Key
 		BdfList blog = clientHelper.toList(descriptor);
-		Author a =
-				authorFactory.createAuthor(blog.getString(0), blog.getRaw(1));
-		return new Blog(g, a, blog.getBoolean(2));
+		String name = blog.getString(0);
+		if (name.length() > MAX_AUTHOR_NAME_LENGTH)
+			throw new IllegalArgumentException();
+		byte[] publicKey = blog.getRaw(1);
+		if (publicKey.length > MAX_PUBLIC_KEY_LENGTH)
+			throw new IllegalArgumentException();
+
+		Author author =
+				authorFactory.createAuthor(name, publicKey);
+		boolean rssFeed = blog.getBoolean(2);
+		return new Blog(group, author, rssFeed);
 	}
 
 }

briar-core/src/main/java/org/briarproject/briar/blog/BlogManagerImpl.java

@@ -606,7 +606,7 @@ class BlogManagerImpl extends BdfIncomingMessageHook implements BlogManager,
 		boolean isFeedPost = meta.getBoolean(KEY_RSS_FEED, false);
 		Status authorStatus;
 		if (isFeedPost) {
-			authorStatus = Status.UNKNOWN;
+			authorStatus = Status.NONE;
 		} else if (authorStatuses.containsKey(authorId)) {
 			authorStatus = authorStatuses.get(authorId);
 		} else {

briar-core/src/main/java/org/briarproject/briar/feed/FeedFactoryImpl.java

@@ -10,18 +10,19 @@ import org.briarproject.bramble.api.data.BdfEntry;
 import org.briarproject.bramble.api.identity.AuthorFactory;
 import org.briarproject.bramble.api.identity.LocalAuthor;
 import org.briarproject.bramble.api.system.Clock;
+import org.briarproject.bramble.util.StringUtils;
 import org.briarproject.briar.api.blog.Blog;
 import org.briarproject.briar.api.blog.BlogFactory;
 import org.briarproject.briar.api.feed.Feed;
 
 import javax.inject.Inject;
 
+import static org.briarproject.bramble.api.identity.AuthorConstants.MAX_AUTHOR_NAME_LENGTH;
 import static org.briarproject.briar.api.feed.FeedConstants.KEY_BLOG_TITLE;
 import static org.briarproject.briar.api.feed.FeedConstants.KEY_FEED_ADDED;
 import static org.briarproject.briar.api.feed.FeedConstants.KEY_FEED_AUTHOR;
 import static org.briarproject.briar.api.feed.FeedConstants.KEY_FEED_DESC;
 import static org.briarproject.briar.api.feed.FeedConstants.KEY_FEED_LAST_ENTRY;
-import static org.briarproject.briar.api.feed.FeedConstants.KEY_FEED_TITLE;
 import static org.briarproject.briar.api.feed.FeedConstants.KEY_FEED_UPDATED;
 import static org.briarproject.briar.api.feed.FeedConstants.KEY_FEED_URL;
 import static org.briarproject.briar.api.feed.FeedConstants.KEY_PRIVATE_KEY;
@@ -45,11 +46,13 @@ class FeedFactoryImpl implements FeedFactory {
 
 	@Override
 	public Feed createFeed(String url, SyndFeed syndFeed) {
-		if (syndFeed.getTitle() == null) syndFeed.setTitle("RSS feed");
+		String title = syndFeed.getTitle();
+		if (title == null) title = "RSS";
+		title = StringUtils.truncateUtf8(title, MAX_AUTHOR_NAME_LENGTH);
 
 		KeyPair keyPair = cryptoComponent.generateSignatureKeyPair();
 		LocalAuthor localAuthor = authorFactory
-				.createLocalAuthor(syndFeed.getTitle(),
+				.createLocalAuthor(title,
 						keyPair.getPublic().getEncoded(),
 						keyPair.getPrivate().getEncoded());
 		Blog blog = blogFactory.createFeedBlog(localAuthor);
@@ -62,8 +65,8 @@ class FeedFactoryImpl implements FeedFactory {
 	public Feed createFeed(Feed feed, SyndFeed f, long lastEntryTime) {
 		long updated = clock.currentTimeMillis();
 		return new Feed(feed.getUrl(), feed.getBlog(), feed.getLocalAuthor(),
-				f.getTitle(), f.getDescription(), f.getAuthor(),
-				feed.getAdded(), updated, lastEntryTime);
+				f.getDescription(), f.getAuthor(), feed.getAdded(), updated,
+				lastEntryTime);
 	}
 
 	@Override
@@ -77,14 +80,13 @@ class FeedFactoryImpl implements FeedFactory {
 				.createLocalAuthor(blogTitle, publicKey, privateKey);
 		Blog blog = blogFactory.createFeedBlog(localAuthor);
 
-		String title = d.getOptionalString(KEY_FEED_TITLE);
 		String desc = d.getOptionalString(KEY_FEED_DESC);
 		String author = d.getOptionalString(KEY_FEED_AUTHOR);
 		long added = d.getLong(KEY_FEED_ADDED, 0L);
 		long updated = d.getLong(KEY_FEED_UPDATED, 0L);
 		long lastEntryTime = d.getLong(KEY_FEED_LAST_ENTRY, 0L);
 
-		return new Feed(url, blog, localAuthor, title, desc, author, added,
+		return new Feed(url, blog, localAuthor, desc, author, added,
 				updated, lastEntryTime);
 	}
 
@@ -101,7 +103,6 @@ class FeedFactoryImpl implements FeedFactory {
 				new BdfEntry(KEY_FEED_UPDATED, feed.getUpdated()),
 				new BdfEntry(KEY_FEED_LAST_ENTRY, feed.getLastEntryTime())
 		);
-		if (feed.getTitle() != null) d.put(KEY_FEED_TITLE, feed.getTitle());
 		if (feed.getDescription() != null)
 			d.put(KEY_FEED_DESC, feed.getDescription());
 		if (feed.getAuthor() != null) d.put(KEY_FEED_AUTHOR, feed.getAuthor());

briar-core/src/main/java/org/briarproject/briar/feed/FeedManagerImpl.java

@@ -433,9 +433,8 @@ class FeedManagerImpl implements FeedManager, Client, EventListener,
 
 		// build post body
 		StringBuilder b = new StringBuilder();
-		if (feed.getTitle() != null) {
-			b.append("<h3>").append(feed.getTitle()).append("</h3>");
-		}
+		b.append("<h3>").append(feed.getTitle()).append("</h3>");
+
 		if (!StringUtils.isNullOrEmpty(entry.getTitle())) {
 			b.append("<h1>").append(entry.getTitle()).append("</h1>");
 		}

briar-core/src/test/java/org/briarproject/briar/blog/BlogManagerIntegrationTest.java

@@ -1,6 +1,7 @@
 package org.briarproject.briar.blog;
 
 import org.briarproject.bramble.api.db.Transaction;
+import org.briarproject.bramble.api.identity.Author;
 import org.briarproject.bramble.api.sync.MessageId;
 import org.briarproject.bramble.test.TestDatabaseModule;
 import org.briarproject.briar.api.blog.Blog;
@@ -417,6 +418,7 @@ public class BlogManagerIntegrationTest
 		assertEquals(1, headers.size());
 		BlogPostHeader header = headers.iterator().next();
 		assertEquals(POST, header.getType());
+		assertEquals(Author.Status.NONE, header.getAuthorStatus());
 		assertTrue(header.isRssFeed());
 	}
 
@@ -454,7 +456,7 @@ public class BlogManagerIntegrationTest
 		for (BlogPostHeader h: headers) {
 			assertTrue(h instanceof BlogCommentHeader);
 			assertEquals(COMMENT, h.getType());
-			assertTrue(((BlogCommentHeader) h).getParent().isRssFeed());
+			assertTrue(((BlogCommentHeader) h).getRootPost().isRssFeed());
 		}
 	}