Show whether identities are anonymous, unknown, or verified.

Dev task #52. Known but unverified identities are also supported, but
currently unused. These will be used in future for contacts who've been
introduced but not verified face to face.

briar-android/res/values/color.xml

@@ -4,7 +4,6 @@
     <color name="content_background">#FFFFFF</color>
     <color name="unread_background">#FFFFFF</color>
 	<color name="horizontal_border">#CCCCCC</color>
-	<color name="anonymous_author">#AAAAAA</color>
 	<color name="no_posts">#AAAAAA</color>
 	<color name="no_messages">#AAAAAA</color>
 </resources>

briar-android/src/org/briarproject/android/contact/ConversationAdapter.java

@@ -3,10 +3,12 @@ package org.briarproject.android.contact;
 import static android.widget.LinearLayout.HORIZONTAL;
 import static java.text.DateFormat.SHORT;
 import static org.briarproject.android.util.CommonLayoutParams.WRAP_WRAP_1;
+import static org.briarproject.api.Author.Status.VERIFIED;
 
 import java.util.ArrayList;
 
 import org.briarproject.R;
+import org.briarproject.android.util.AuthorView;
 import org.briarproject.android.util.LayoutUtils;
 import org.briarproject.api.db.MessageHeader;
 
@@ -41,14 +43,10 @@ class ConversationAdapter extends ArrayAdapter<ConversationItem> {
 			layout.setBackgroundColor(res.getColor(R.color.unread_background));
 		}
 
-		TextView name = new TextView(ctx);
-		// Give me all the unused width
-		name.setLayoutParams(WRAP_WRAP_1);
-		name.setTextSize(18);
-		name.setMaxLines(1);
-		name.setPadding(pad, pad, pad, pad);
-		name.setText(header.getAuthor().getName());
-		layout.addView(name);
+		AuthorView authorView = new AuthorView(ctx);
+		authorView.setLayoutParams(WRAP_WRAP_1);
+		authorView.init(header.getAuthor().getName(), VERIFIED);
+		layout.addView(authorView);
 
 		TextView date = new TextView(ctx);
 		date.setTextSize(14);

briar-android/src/org/briarproject/android/contact/ReadPrivateMessageActivity.java

@@ -10,6 +10,7 @@ import static java.util.logging.Level.WARNING;
 import static org.briarproject.android.util.CommonLayoutParams.MATCH_WRAP;
 import static org.briarproject.android.util.CommonLayoutParams.MATCH_WRAP_1;
 import static org.briarproject.android.util.CommonLayoutParams.WRAP_WRAP_1;
+import static org.briarproject.api.Author.Status.VERIFIED;
 
 import java.io.UnsupportedEncodingException;
 import java.util.concurrent.Executor;
@@ -18,8 +19,9 @@ import java.util.logging.Logger;
 import javax.inject.Inject;
 
 import org.briarproject.R;
-import org.briarproject.android.util.HorizontalBorder;
+import org.briarproject.android.util.AuthorView;
 import org.briarproject.android.util.ElasticHorizontalSpace;
+import org.briarproject.android.util.HorizontalBorder;
 import org.briarproject.android.util.LayoutUtils;
 import org.briarproject.api.AuthorId;
 import org.briarproject.api.android.DatabaseUiExecutor;
@@ -116,16 +118,12 @@ implements OnClickListener {
 		header.setOrientation(HORIZONTAL);
 		header.setGravity(CENTER_VERTICAL);
 
-		int pad = LayoutUtils.getPadding(this);
+		AuthorView author = new AuthorView(this);
+		author.setLayoutParams(WRAP_WRAP_1);
+		author.init(authorName, VERIFIED);
+		header.addView(author);
 
-		TextView name = new TextView(this);
-		// Give me all the unused width
-		name.setLayoutParams(WRAP_WRAP_1);
-		name.setTextSize(18);
-		name.setMaxLines(1);
-		name.setPadding(pad, pad, pad, pad);
-		name.setText(authorName);
-		header.addView(name);
+		int pad = LayoutUtils.getPadding(this);
 
 		TextView date = new TextView(this);
 		date.setTextSize(14);

briar-android/src/org/briarproject/android/groups/GroupActivity.java

@@ -230,6 +230,7 @@ OnClickListener, OnItemClickListener {
 			i.putExtra("briar.AUTHOR_ID", author.getId().getBytes());
 			i.putExtra("briar.AUTHOR_NAME", author.getName());
 		}
+		i.putExtra("briar.AUTHOR_STATUS", item.getAuthorStatus().name());
 		i.putExtra("briar.CONTENT_TYPE", item.getContentType());
 		i.putExtra("briar.TIMESTAMP", item.getTimestamp());
 		startActivityForResult(i, position);

briar-android/src/org/briarproject/android/groups/GroupAdapter.java

@@ -7,6 +7,7 @@ import static org.briarproject.android.util.CommonLayoutParams.WRAP_WRAP_1;
 import java.util.ArrayList;
 
 import org.briarproject.R;
+import org.briarproject.android.util.AuthorView;
 import org.briarproject.android.util.LayoutUtils;
 import org.briarproject.api.Author;
 import org.briarproject.api.db.MessageHeader;
@@ -32,34 +33,27 @@ class GroupAdapter extends ArrayAdapter<MessageHeader> {
 
 	@Override
 	public View getView(int position, View convertView, ViewGroup parent) {
-		MessageHeader item = getItem(position);
+		MessageHeader header = getItem(position);
 		Context ctx = getContext();
-		Resources res = ctx.getResources();
 
 		LinearLayout layout = new LinearLayout(ctx);
 		layout.setOrientation(HORIZONTAL);
-		if(!item.isRead())
+		if(!header.isRead()) {
+			Resources res = ctx.getResources();
 			layout.setBackgroundColor(res.getColor(R.color.unread_background));
-
-		TextView name = new TextView(ctx);
-		// Give me all the unused width
-		name.setLayoutParams(WRAP_WRAP_1);
-		name.setTextSize(18);
-		name.setMaxLines(1);
-		name.setPadding(pad, pad, pad, pad);
-		Author author = item.getAuthor();
-		if(author == null) {
-			name.setTextColor(res.getColor(R.color.anonymous_author));
-			name.setText(R.string.anonymous);
-		} else {
-			name.setText(author.getName());
 		}
-		layout.addView(name);
+
+		AuthorView authorView = new AuthorView(ctx);
+		authorView.setLayoutParams(WRAP_WRAP_1);
+		Author author = header.getAuthor();
+		if(author == null) authorView.init(null, header.getAuthorStatus());
+		else authorView.init(author.getName(), header.getAuthorStatus());
+		layout.addView(authorView);
 
 		TextView date = new TextView(ctx);
 		date.setTextSize(14);
-		date.setPadding(pad, pad, pad, pad);
-		long then = item.getTimestamp(), now = System.currentTimeMillis();
+		date.setPadding(0, pad, pad, pad);
+		long then = header.getTimestamp(), now = System.currentTimeMillis();
 		date.setText(DateUtils.formatSameDayTime(then, now, SHORT, SHORT));
 		layout.addView(date);
 

briar-android/src/org/briarproject/android/groups/ReadGroupPostActivity.java

@@ -18,9 +18,11 @@ import java.util.logging.Logger;
 import javax.inject.Inject;
 
 import org.briarproject.R;
-import org.briarproject.android.util.HorizontalBorder;
+import org.briarproject.android.util.AuthorView;
 import org.briarproject.android.util.ElasticHorizontalSpace;
+import org.briarproject.android.util.HorizontalBorder;
 import org.briarproject.android.util.LayoutUtils;
+import org.briarproject.api.Author;
 import org.briarproject.api.android.DatabaseUiExecutor;
 import org.briarproject.api.db.DatabaseComponent;
 import org.briarproject.api.db.DbException;
@@ -83,6 +85,9 @@ implements OnClickListener {
 		timestamp = i.getLongExtra("briar.TIMESTAMP", -1);
 		if(timestamp == -1) throw new IllegalStateException();
 		String authorName = i.getStringExtra("briar.AUTHOR_NAME");
+		String s = i.getStringExtra("briar.AUTHOR_STATUS");
+		if(s == null) throw new IllegalStateException();
+		Author.Status authorStatus = Author.Status.valueOf(s);
 
 		if(state == null) {
 			read = false;
@@ -109,21 +114,12 @@ implements OnClickListener {
 		header.setOrientation(HORIZONTAL);
 		header.setGravity(CENTER_VERTICAL);
 
-		int pad = LayoutUtils.getPadding(this);
+		AuthorView author = new AuthorView(this);
+		author.setLayoutParams(WRAP_WRAP_1);
+		author.init(authorName, authorStatus);
+		header.addView(author);
 
-		TextView name = new TextView(this);
-		// Give me all the unused width
-		name.setLayoutParams(WRAP_WRAP_1);
-		name.setTextSize(18);
-		name.setMaxLines(1);
-		name.setPadding(pad, pad, pad, pad);
-		if(authorName == null) {
-			name.setTextColor(res.getColor(R.color.anonymous_author));
-			name.setText(R.string.anonymous);
-		} else {
-			name.setText(authorName);
-		}
-		header.addView(name);
+		int pad = LayoutUtils.getPadding(this);
 
 		TextView date = new TextView(this);
 		date.setTextSize(14);

briar-android/src/org/briarproject/android/util/AuthorView.java

@@ -0,0 +1,51 @@
+package org.briarproject.android.util;
+
+import org.briarproject.R;
+import org.briarproject.api.Author;
+
+import android.content.Context;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+public class AuthorView extends LinearLayout {
+
+	public AuthorView(Context ctx) {
+		super(ctx);
+	}
+
+	public void init(String name, Author.Status status) {
+		Context ctx = getContext();
+		int pad = LayoutUtils.getPadding(ctx);
+		setOrientation(VERTICAL);
+		TextView nameView = new TextView(ctx);
+		// Give me all the unused width
+		nameView.setTextSize(18);
+		nameView.setMaxLines(1);
+		nameView.setPadding(pad, pad, pad, pad);
+		if(name == null) nameView.setText(R.string.anonymous);
+		else nameView.setText(name);
+		addView(nameView);
+		LinearLayout statusLayout = new LinearLayout(ctx);
+		statusLayout.setOrientation(HORIZONTAL);
+		ImageView statusView = new ImageView(ctx);
+		statusView.setPadding(pad, 0, pad, pad);
+		switch(status) {
+		case ANONYMOUS:
+			statusView.setImageResource(R.drawable.identity_anonymous);
+			break;
+		case UNKNOWN:
+			statusView.setImageResource(R.drawable.identity_unknown);
+			break;
+		case UNVERIFIED:
+			statusView.setImageResource(R.drawable.identity_unverified);
+			break;
+		case VERIFIED:
+			statusView.setImageResource(R.drawable.identity_verified);
+			break;
+		}
+		statusLayout.addView(statusView);
+		statusLayout.addView(new ElasticHorizontalSpace(ctx));
+		addView(statusLayout);
+	}
+}

briar-api/src/org/briarproject/api/Author.java

@@ -7,6 +7,8 @@ import java.io.UnsupportedEncodingException;
 /** A pseudonym for a user. */
 public class Author {
 
+	public enum Status { ANONYMOUS, UNKNOWN, UNVERIFIED, VERIFIED };
+
 	private final AuthorId id;
 	private final String name;
 	private final byte[] publicKey;

briar-api/src/org/briarproject/api/db/MessageHeader.java

@@ -9,16 +9,19 @@ public class MessageHeader {
 	private final MessageId id, parent;
 	private final GroupId groupId;
 	private final Author author;
+	private final Author.Status authorStatus;
 	private final String contentType;
 	private final long timestamp;
 	private final boolean read;
 
 	public MessageHeader(MessageId id, MessageId parent, GroupId groupId,
-			Author author, String contentType, long timestamp, boolean read) {
+			Author author, Author.Status authorStatus, String contentType,
+			long timestamp, boolean read) {
 		this.id = id;
 		this.parent = parent;
 		this.groupId = groupId;
 		this.author = author;
+		this.authorStatus = authorStatus;
 		this.contentType = contentType;
 		this.timestamp = timestamp;
 		this.read = read;
@@ -51,6 +54,11 @@ public class MessageHeader {
 		return author;
 	}
 
+	/**  Returns the status of the message's author. */
+	public Author.Status getAuthorStatus() {
+		return authorStatus;
+	}
+
 	/** Returns the message's content type. */
 	public String getContentType() {
 		return contentType;

briar-core/src/org/briarproject/db/JdbcDatabase.java

@@ -4,6 +4,9 @@ import static java.sql.Types.BINARY;
 import static java.sql.Types.VARCHAR;
 import static java.util.logging.Level.INFO;
 import static java.util.logging.Level.WARNING;
+import static org.briarproject.api.Author.Status.ANONYMOUS;
+import static org.briarproject.api.Author.Status.UNKNOWN;
+import static org.briarproject.api.Author.Status.VERIFIED;
 import static org.briarproject.api.messaging.MessagingConstants.MAX_SUBSCRIPTIONS;
 import static org.briarproject.api.messaging.MessagingConstants.RETENTION_GRANULARITY;
 import static org.briarproject.db.ExponentialBackoff.calculateExpiry;
@@ -1525,10 +1528,12 @@ abstract class JdbcDatabase implements Database<Connection> {
 				boolean read = rs.getBoolean(7);
 				if(incoming) {
 					headers.add(new MessageHeader(id, parent, groupId,
-							remoteAuthor, contentType, timestamp, read));
+							remoteAuthor, VERIFIED, contentType, timestamp,
+							read));
 				} else {
 					headers.add(new MessageHeader(id, parent, groupId,
-							localAuthor, contentType, timestamp, read));
+							localAuthor, VERIFIED, contentType, timestamp,
+							read));
 				}
 			}
 			rs.close();
@@ -1701,9 +1706,14 @@ abstract class JdbcDatabase implements Database<Connection> {
 		PreparedStatement ps = null;
 		ResultSet rs = null;
 		try {
-			String sql = "SELECT messageId, parentId, authorId, authorName,"
-					+ " authorKey, contentType, timestamp, read"
-					+ " FROM messages"
+			String sql = "SELECT messageId, parentId, m.authorId, authorName,"
+					+ " authorKey, contentType, timestamp, read,"
+					+ " la.authorId IS NOT NULL, c.authorId IS NOT NULL"
+					+ " FROM messages AS m"
+					+ " LEFT OUTER JOIN localAuthors AS la"
+					+ " ON m.authorId = la.authorId"
+					+ " LEFT OUTER JOIN contacts AS c"
+					+ " ON m.authorId = c.authorId"
 					+ " WHERE groupId = ?";
 			ps = txn.prepareStatement(sql);
 			ps.setBytes(1, g.getBytes());
@@ -1726,8 +1736,14 @@ abstract class JdbcDatabase implements Database<Connection> {
 				String contentType = rs.getString(6);
 				long timestamp = rs.getLong(7);
 				boolean read = rs.getBoolean(8);
+				boolean isSelf = rs.getBoolean(9);
+				boolean isContact = rs.getBoolean(10);
+				Author.Status authorStatus;
+				if(author == null) authorStatus = ANONYMOUS;
+				else if(isSelf || isContact) authorStatus = VERIFIED;
+				else authorStatus = UNKNOWN;
 				headers.add(new MessageHeader(id, parent, g, author,
-						contentType, timestamp, read));
+						authorStatus, contentType, timestamp, read));
 			}
 			rs.close();
 			ps.close();

briar-tests/src/org/briarproject/db/H2DatabaseTest.java

@@ -41,7 +41,6 @@ import org.briarproject.api.messaging.MessageId;
 import org.briarproject.api.transport.Endpoint;
 import org.briarproject.api.transport.TemporarySecret;
 import org.briarproject.system.SystemClock;
-
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
@@ -898,42 +897,26 @@ public class H2DatabaseTest extends BriarTestCase {
 		// Mark one of the messages read
 		db.setReadFlag(txn, messageId, true);
 
-		// Retrieve the message headers
+		// Retrieve the message headers (order is undefined)
 		Collection<MessageHeader> headers = db.getMessageHeaders(txn, groupId);
-		Iterator<MessageHeader> it = headers.iterator();
-		boolean messageFound = false, message1Found = false;
-		// First header (order is undefined)
-		assertTrue(it.hasNext());
-		MessageHeader header = it.next();
-		if(messageId.equals(header.getId())) {
-			assertHeadersMatch(message, header);
-			assertTrue(header.isRead());
-			messageFound = true;
-		} else if(messageId1.equals(header.getId())) {
-			assertHeadersMatch(message1, header);
-			assertFalse(header.isRead());
-			message1Found = true;
-		} else {
-			fail();
+		assertEquals(2, headers.size());
+		boolean firstFound = false, secondFound = false;
+		for(MessageHeader header : headers) {
+			if(messageId.equals(header.getId())) {
+				assertHeadersMatch(message, header);
+				assertTrue(header.isRead());
+				firstFound = true;
+			} else if(messageId1.equals(header.getId())) {
+				assertHeadersMatch(message1, header);
+				assertFalse(header.isRead());
+				secondFound = true;
+			} else {
+				fail();
+			}
 		}
-		// Second header
-		assertTrue(it.hasNext());
-		header = it.next();
-		if(messageId.equals(header.getId())) {
-			assertHeadersMatch(message, header);
-			assertTrue(header.isRead());
-			messageFound = true;
-		} else if(messageId1.equals(header.getId())) {
-			assertHeadersMatch(message1, header);
-			assertFalse(header.isRead());
-			message1Found = true;
-		} else {
-			fail();
-		}
-		// No more headers
-		assertFalse(it.hasNext());
-		assertTrue(messageFound);
-		assertTrue(message1Found);
+		// Both the headers should have been retrieved
+		assertTrue(firstFound);
+		assertTrue(secondFound);
 
 		db.commitTransaction(txn);
 		db.close();
@@ -950,6 +933,62 @@ public class H2DatabaseTest extends BriarTestCase {
 		assertEquals(m.getTimestamp(), h.getTimestamp());
 	}
 
+	@Test
+	public void testAuthorStatus() throws Exception {
+		Database<Connection> db = open(false);
+		Connection txn = db.startTransaction();
+
+		// Add a contact and subscribe to a group
+		db.addLocalAuthor(txn, localAuthor);
+		assertEquals(contactId, db.addContact(txn, author, localAuthorId));
+		db.addGroup(txn, group);
+
+		// Store a message from the contact - status VERIFIED
+		db.addMessage(txn, message, false);
+		AuthorId authorId1 = new AuthorId(TestUtils.getRandomId());
+		// Store a message from an unknown author - status UNKNOWN
+		Author author1 = new Author(authorId1, "Bob",
+				new byte[MAX_PUBLIC_KEY_LENGTH]);
+		MessageId messageId1 = new MessageId(TestUtils.getRandomId());
+		Message message1 = new TestMessage(messageId1, null, group, author1,
+				contentType, subject, timestamp, raw);
+		db.addMessage(txn, message1, false);
+		// Store an anonymous message - status ANONYMOUS
+		MessageId messageId2 = new MessageId(TestUtils.getRandomId());
+		Message message2 = new TestMessage(messageId2, null, group, null,
+				contentType, subject, timestamp, raw);
+		db.addMessage(txn, message2, false);
+
+		// Retrieve the message headers (order is undefined)
+		Collection<MessageHeader> headers = db.getMessageHeaders(txn, groupId);
+		assertEquals(3, headers.size());
+		boolean firstFound = false, secondFound = false, thirdFound = false;
+		for(MessageHeader header : headers) {
+			if(messageId.equals(header.getId())) {
+				assertHeadersMatch(message, header);
+				assertEquals(Author.Status.VERIFIED, header.getAuthorStatus());
+				firstFound = true;
+			} else if(messageId1.equals(header.getId())) {
+				assertHeadersMatch(message1, header);
+				assertEquals(Author.Status.UNKNOWN, header.getAuthorStatus());
+				secondFound = true;
+			} else if(messageId2.equals(header.getId())) {
+				assertHeadersMatch(message2, header);
+				assertEquals(Author.Status.ANONYMOUS, header.getAuthorStatus());
+				thirdFound = true;
+			} else {
+				fail();
+			}
+		}
+		// All of the headers should have been retrieved
+		assertTrue(firstFound);
+		assertTrue(secondFound);
+		assertTrue(thirdFound);
+
+		db.commitTransaction(txn);
+		db.close();
+	}
+
 	@Test
 	public void testReadFlag() throws Exception {
 		Database<Connection> db = open(false);