Merge tag '1.11.0' into trz/merge_1.11.0

Conflicts:
	README.md
	build.gradle
	src/main/java/eu/siacs/conversations/crypto/axolotl/AxolotlService.java
	src/main/java/eu/siacs/conversations/entities/Conversation.java
	src/main/java/eu/siacs/conversations/http/HttpDownloadConnection.java
	src/main/java/eu/siacs/conversations/parser/MessageParser.java
	src/main/java/eu/siacs/conversations/ui/ConversationActivity.java
	src/main/java/eu/siacs/conversations/ui/ConversationFragment.java
	src/main/java/eu/siacs/conversations/ui/EditAccountActivity.java
	src/main/java/eu/siacs/conversations/ui/PublishProfilePictureActivity.java
	src/main/java/eu/siacs/conversations/ui/SettingsActivity.java
	src/main/java/eu/siacs/conversations/ui/XmppActivity.java
	src/main/java/eu/siacs/conversations/ui/adapter/MessageAdapter.java
	src/main/res/values-bg/strings.xml
	src/main/res/values-de/strings.xml
	src/main/res/values-es/strings.xml
	src/main/res/values-fr/strings.xml
	src/main/res/values-it/strings.xml
	src/main/res/values-nl/strings.xml
	src/main/res/values-pl/strings.xml
	src/main/res/values-ro-rRO/strings.xml
	src/main/res/values-sr/strings.xml
	src/main/res/values-sv/strings.xml
	src/main/res/values-tr-rTR/strings.xml
	src/main/res/values-zh-rCN/strings.xml
	src/main/res/values/strings.xml

5 files changed, 118 insertions, 36 deletions

diff --git a/src/main/java/eu/siacs/conversations/entities/Conversation.java b/src/main/java/eu/siacs/conversations/entities/Conversation.java
index ad7dbc55..75477d3e 100644
--- a/src/main/java/eu/siacs/conversations/entities/Conversation.java
+++ b/src/main/java/eu/siacs/conversations/entities/Conversation.java
@@ -9,11 +9,13 @@ import net.java.otr4j.session.SessionID;
 import net.java.otr4j.session.SessionImpl;
 import net.java.otr4j.session.SessionStatus;
 
+import org.json.JSONArray;
 import org.json.JSONException;
 import org.json.JSONObject;
 
 import java.security.interfaces.DSAPublicKey;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.Iterator;
@@ -50,6 +52,7 @@ public class Conversation extends AbstractEntity implements Blockable {
 	public static final String ATTRIBUTE_MUC_PASSWORD = "muc_password";
 	public static final String ATTRIBUTE_MUTED_TILL = "muted_till";
 	public static final String ATTRIBUTE_ALWAYS_NOTIFY = "always_notify";
+	public static final String ATTRIBUTE_CRYPTO_TARGETS = "crypto_targets";
 
 	private String name;
 	private String contactUuid;
@@ -307,6 +310,18 @@ public class Conversation extends AbstractEntity implements Blockable {
 		return this.mFirstMamReference;
 	}
 
+	public List<Jid> getAcceptedCryptoTargets() {
+		if (mode == MODE_SINGLE) {
+			return Arrays.asList(getJid().toBareJid());
+		} else {
+			return getJidListAttribute(ATTRIBUTE_CRYPTO_TARGETS);
+		}
+	}
+
+	public void setAcceptedCryptoTargets(List<Jid> acceptedTargets) {
+		setAttribute(ATTRIBUTE_CRYPTO_TARGETS, acceptedTargets);
+	}
+
 	public void setCorrectingMessage(Message correctingMessage) {
 		this.correctingMessage = correctingMessage;
 	}
@@ -653,8 +668,8 @@ public class Conversation extends AbstractEntity implements Blockable {
 		final AxolotlService axolotlService = getAccount().getAxolotlService();
 		int next = this.getIntAttribute(ATTRIBUTE_NEXT_ENCRYPTION, -1);
 		if (next == -1) {
-			if (Config.X509_VERIFICATION && mode == MODE_SINGLE) {
-				if (axolotlService != null && axolotlService.isContactAxolotlCapable(getContact())) {
+			if (Config.X509_VERIFICATION) {
+				if (axolotlService != null && axolotlService.isConversationAxolotlCapable(this)) {
 					return Message.ENCRYPTION_AXOLOTL;
 				} else {
 					return Message.ENCRYPTION_NONE;
@@ -667,16 +682,20 @@ public class Conversation extends AbstractEntity implements Blockable {
 				next = outgoing;
 			}
 		}
-		if (!Config.supportUnencrypted()
-				&& (mode == MODE_SINGLE || Config.supportOpenPgpOnly())
-				&& next <= 0) {
-			if (Config.supportOmemo() && (axolotlService != null && axolotlService.isContactAxolotlCapable(getContact()) || !Config.multipleEncryptionChoices())) {
+
+		if (!Config.supportUnencrypted() && next <= 0) {
+			if (Config.supportOmemo()
+					&& (axolotlService != null && axolotlService.isConversationAxolotlCapable(this) || !Config.multipleEncryptionChoices())) {
 				return Message.ENCRYPTION_AXOLOTL;
-			} else if (Config.supportOtr()) {
+			} else if (Config.supportOtr() && mode == MODE_SINGLE) {
 				return Message.ENCRYPTION_OTR;
-			} else if (Config.supportOpenPgp()) {
+			} else if (Config.supportOpenPgp()
+					&& (mode == MODE_SINGLE) || !Config.multipleEncryptionChoices()) {
 				return Message.ENCRYPTION_PGP;
 			}
+		} else if (next == Message.ENCRYPTION_AXOLOTL
+				&& (!Config.supportOmemo() || axolotlService == null || !axolotlService.isConversationAxolotlCapable(this))) {
+			next = Message.ENCRYPTION_NONE;
 		}
 		return next;
 	}
@@ -780,20 +799,59 @@ public class Conversation extends AbstractEntity implements Blockable {
 	}
 
 	public boolean setAttribute(String key, String value) {
-		try {
-			this.attributes.put(key, value);
-			return true;
-		} catch (JSONException e) {
-			return false;
+		synchronized (this.attributes) {
+			try {
+				this.attributes.put(key, value);
+				return true;
+			} catch (JSONException e) {
+				return false;
+			}
+		}
+	}
+
+	public boolean setAttribute(String key, List<Jid> jids) {
+		JSONArray array = new JSONArray();
+		for(Jid jid : jids) {
+			array.put(jid.toBareJid().toString());
+		}
+		synchronized (this.attributes) {
+			try {
+				this.attributes.put(key, array);
+				return true;
+			} catch (JSONException e) {
+				e.printStackTrace();
+				return false;
+			}
 		}
 	}
 
 	public String getAttribute(String key) {
-		try {
-			return this.attributes.getString(key);
-		} catch (JSONException e) {
-			return null;
+		synchronized (this.attributes) {
+			try {
+				return this.attributes.getString(key);
+			} catch (JSONException e) {
+				return null;
+			}
+		}
+	}
+
+	public List<Jid> getJidListAttribute(String key) {
+		ArrayList<Jid> list = new ArrayList<>();
+		synchronized (this.attributes) {
+			try {
+				JSONArray array = this.attributes.getJSONArray(key);
+				for (int i = 0; i < array.length(); ++i) {
+					try {
+						list.add(Jid.fromString(array.getString(i)));
+					} catch (InvalidJidException e) {
+						//ignored
+					}
+				}
+			} catch (JSONException e) {
+				//ignored
+			}
 		}
+		return list;
 	}
 
 	public int getIntAttribute(String key, int defaultValue) {
diff --git a/src/main/java/eu/siacs/conversations/entities/Message.java b/src/main/java/eu/siacs/conversations/entities/Message.java
index 60f0d267..599afc93 100644
--- a/src/main/java/eu/siacs/conversations/entities/Message.java
+++ b/src/main/java/eu/siacs/conversations/entities/Message.java
@@ -51,6 +51,7 @@ public class Message extends AbstractEntity {
 	public static final String STATUS = "status";
 	public static final String TYPE = "type";
 	public static final String CARBON = "carbon";
+	public static final String OOB = "oob";
 	public static final String EDITED = "edited";
 	public static final String REMOTE_MSG_ID = "remoteMsgId";
 	public static final String SERVER_MSG_ID = "serverMsgId";
@@ -71,6 +72,7 @@ public class Message extends AbstractEntity {
 	protected int status;
 	protected int type;
 	protected boolean carbon = false;
+	protected boolean oob = false;
 	protected String edited = null;
 	protected String relativeFilePath;
 	protected boolean read = true;
@@ -106,7 +108,8 @@ public class Message extends AbstractEntity {
 				null,
 				null,
 				true,
-				null);
+				null,
+				false);
 		this.conversation = conversation;
 	}
 
@@ -115,7 +118,7 @@ public class Message extends AbstractEntity {
 					final int encryption, final int status, final int type, final boolean carbon,
 					final String remoteMsgId, final String relativeFilePath,
 					final String serverMsgId, final String fingerprint, final boolean read,
-					final String edited) {
+					final String edited, final boolean oob) {
 		this.uuid = uuid;
 		this.conversationUuid = conversationUUid;
 		this.counterpart = counterpart;
@@ -132,6 +135,7 @@ public class Message extends AbstractEntity {
 		this.axolotlFingerprint = fingerprint;
 		this.read = read;
 		this.edited = edited;
+		this.oob = oob;
 	}
 
 	public static Message fromCursor(Cursor cursor) {
@@ -172,7 +176,8 @@ public class Message extends AbstractEntity {
 				cursor.getString(cursor.getColumnIndex(SERVER_MSG_ID)),
 				cursor.getString(cursor.getColumnIndex(FINGERPRINT)),
 				cursor.getInt(cursor.getColumnIndex(READ)) > 0,
-				cursor.getString(cursor.getColumnIndex(EDITED)));
+				cursor.getString(cursor.getColumnIndex(EDITED)),
+				cursor.getInt(cursor.getColumnIndex(OOB)) > 0);
 	}
 
 	public static Message createStatusMessage(Conversation conversation, String body) {
@@ -210,6 +215,7 @@ public class Message extends AbstractEntity {
 		values.put(FINGERPRINT, axolotlFingerprint);
 		values.put(READ,read ? 1 : 0);
 		values.put(EDITED, edited);
+		values.put(OOB, oob ? 1 : 0);
 		return values;
 	}
 
@@ -543,6 +549,10 @@ public class Message extends AbstractEntity {
 		return edited;
 	}
 
+	public void setOob(boolean isOob) {
+		this.oob = isOob;
+	}
+
 	public enum Decision {
 		MUST,
 		SHOULD,
@@ -565,7 +575,7 @@ public class Message extends AbstractEntity {
 		if (dotPosition != -1) {
 			String extension = filename.substring(dotPosition + 1);
 			// we want the real file extension, not the crypto one
-			if (Arrays.asList(Transferable.VALID_CRYPTO_EXTENSIONS).contains(extension)) {
+			if (Transferable.VALID_CRYPTO_EXTENSIONS.contains(extension)) {
 				return extractRelevantExtension(filename.substring(0,dotPosition));
 			} else {
 				return extension;
@@ -604,6 +614,8 @@ public class Message extends AbstractEntity {
 			URL url = new URL(body);
 			if (!url.getProtocol().equalsIgnoreCase("http") && !url.getProtocol().equalsIgnoreCase("https")) {
 				return Decision.NEVER;
+			} else if (oob) {
+				return Decision.MUST;
 			}
 			String extension = extractRelevantExtension(url);
 			if (extension == null) {
@@ -618,8 +630,8 @@ public class Message extends AbstractEntity {
 				} else {
 					return Decision.NEVER;
 				}
-			} else if (Arrays.asList(Transferable.VALID_IMAGE_EXTENSIONS).contains(extension)
-					|| Arrays.asList(Transferable.WELL_KNOWN_EXTENSIONS).contains(extension)) {
+			} else if (Transferable.VALID_IMAGE_EXTENSIONS.contains(extension)
+					|| Transferable.WELL_KNOWN_EXTENSIONS.contains(extension)) {
 				return Decision.SHOULD;
 			} else {
 				return Decision.NEVER;
diff --git a/src/main/java/eu/siacs/conversations/entities/MucOptions.java b/src/main/java/eu/siacs/conversations/entities/MucOptions.java
index 3567c14f..4fe26743 100644
--- a/src/main/java/eu/siacs/conversations/entities/MucOptions.java
+++ b/src/main/java/eu/siacs/conversations/entities/MucOptions.java
@@ -4,9 +4,11 @@ import android.annotation.SuppressLint;
 
 import java.util.ArrayList;
 import java.util.Collections;
+import java.util.HashSet;
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
 
 import eu.siacs.conversations.R;
 import eu.siacs.conversations.xmpp.forms.Data;
@@ -245,7 +247,8 @@ public class MucOptions {
 
 	private Account account;
 	private final Map<String, User> users = Collections.synchronizedMap(new LinkedHashMap<String, User>());
-	private List<String> features = new ArrayList<>();
+	private final Set<Jid> members = Collections.synchronizedSet(new HashSet<Jid>());
+	private final List<String> features = new ArrayList<>();
 	private Data form = new Data();
 	private Conversation conversation;
 	private boolean isOnline = false;
@@ -501,4 +504,12 @@ public class MucOptions {
 	public Conversation getConversation() {
 		return this.conversation;
 	}
+
+	public void putMember(Jid jid) {
+		members.add(jid);
+	}
+
+	public List<Jid> getMembers() {
+		return new ArrayList<>(members);
+	}
 }
diff --git a/src/main/java/eu/siacs/conversations/entities/Roster.java b/src/main/java/eu/siacs/conversations/entities/Roster.java
index 628a31d1..d3ad9181 100644
--- a/src/main/java/eu/siacs/conversations/entities/Roster.java
+++ b/src/main/java/eu/siacs/conversations/entities/Roster.java
@@ -9,7 +9,7 @@ import eu.siacs.conversations.xmpp.jid.Jid;
 
 public class Roster {
 	final Account account;
-	final HashMap<String, Contact> contacts = new HashMap<>();
+	final HashMap<Jid, Contact> contacts = new HashMap<>();
 	private String version = null;
 
 	public Roster(Account account) {
@@ -21,7 +21,7 @@ public class Roster {
 			return null;
 		}
 		synchronized (this.contacts) {
-			Contact contact = contacts.get(jid.toBareJid().toString());
+			Contact contact = contacts.get(jid.toBareJid());
 			if (contact != null && contact.showInRoster()) {
 				return contact;
 			} else {
@@ -32,15 +32,13 @@ public class Roster {
 
 	public Contact getContact(final Jid jid) {
 		synchronized (this.contacts) {
-			final Jid bareJid = jid.toBareJid();
-			if (contacts.containsKey(bareJid.toString())) {
-				return contacts.get(bareJid.toString());
-			} else {
-				Contact contact = new Contact(bareJid);
+			if (!contacts.containsKey(jid.toBareJid())) {
+				Contact contact = new Contact(jid.toBareJid());
 				contact.setAccount(account);
-				contacts.put(bareJid.toString(), contact);
+				contacts.put(contact.getJid().toBareJid(), contact);
 				return contact;
 			}
+			return contacts.get(jid.toBareJid());
 		}
 	}
 
@@ -80,7 +78,7 @@ public class Roster {
 		contact.setAccount(account);
 		contact.setOption(Contact.Options.IN_ROSTER);
 		synchronized (this.contacts) {
-			contacts.put(contact.getJid().toBareJid().toString(), contact);
+			contacts.put(contact.getJid().toBareJid(), contact);
 		}
 	}
 
diff --git a/src/main/java/eu/siacs/conversations/entities/Transferable.java b/src/main/java/eu/siacs/conversations/entities/Transferable.java
index 016c81bd..5a47c451 100644
--- a/src/main/java/eu/siacs/conversations/entities/Transferable.java
+++ b/src/main/java/eu/siacs/conversations/entities/Transferable.java
@@ -1,10 +1,13 @@
 package eu.siacs.conversations.entities;
 
+import java.util.Arrays;
+import java.util.List;
+
 public interface Transferable {
 
-	String[] VALID_IMAGE_EXTENSIONS = {"webp", "jpeg", "jpg", "png", "jpe"};
-	String[] VALID_CRYPTO_EXTENSIONS = {"pgp", "gpg", "otr"};
-	String[] WELL_KNOWN_EXTENSIONS = {"pdf","m4a","mp4"};
+	List<String> VALID_IMAGE_EXTENSIONS = Arrays.asList("webp", "jpeg", "jpg", "png", "jpe");
+	List<String> VALID_CRYPTO_EXTENSIONS = Arrays.asList("pgp", "gpg", "otr");
+	List<String> WELL_KNOWN_EXTENSIONS = Arrays.asList("pdf","m4a","mp4","3gp","aac","amr","mp3");
 
 	int STATUS_UNKNOWN = 0x200;
 	int STATUS_CHECKING = 0x201;