diff options
Diffstat (limited to 'src/main/java/eu/siacs/conversations/entities')
6 files changed, 262 insertions, 223 deletions
diff --git a/src/main/java/eu/siacs/conversations/entities/Account.java b/src/main/java/eu/siacs/conversations/entities/Account.java index 90c10199..a8b9252f 100644 --- a/src/main/java/eu/siacs/conversations/entities/Account.java +++ b/src/main/java/eu/siacs/conversations/entities/Account.java @@ -20,6 +20,7 @@ import java.util.concurrent.CopyOnWriteArraySet; import eu.siacs.conversations.Config; import eu.siacs.conversations.R; import eu.siacs.conversations.crypto.OtrService; +import eu.siacs.conversations.crypto.axolotl.AxolotlService; import eu.siacs.conversations.services.XmppConnectionService; import eu.siacs.conversations.xmpp.XmppConnection; import eu.siacs.conversations.xmpp.jid.InvalidJidException; @@ -122,6 +123,7 @@ public class Account extends AbstractEntity { protected String avatar; protected boolean online = false; private OtrService mOtrService = null; + private AxolotlService axolotlService = null; private XmppConnection xmppConnection = null; private long mEndGracePeriod = 0L; private String otrFingerprint; @@ -255,6 +257,10 @@ public class Account extends AbstractEntity { return keys; } + public String getKey(final String name) { + return this.keys.optString(name, null); + } + public boolean setKey(final String keyName, final String keyValue) { try { this.keys.put(keyName, keyValue); @@ -278,9 +284,13 @@ public class Account extends AbstractEntity { return values; } + public AxolotlService getAxolotlService() { + return axolotlService; + } + public void initAccountServices(final XmppConnectionService context) { - this.mXmppConnectionService = context; this.mOtrService = new OtrService(context, this); + this.axolotlService = new AxolotlService(this, context); } public OtrService getOtrService() { diff --git a/src/main/java/eu/siacs/conversations/entities/Contact.java b/src/main/java/eu/siacs/conversations/entities/Contact.java index 81f6568b..2d103faf 100644 --- a/src/main/java/eu/siacs/conversations/entities/Contact.java +++ b/src/main/java/eu/siacs/conversations/entities/Contact.java @@ -189,20 +189,22 @@ public class Contact implements ListItem, Blockable { } public ContentValues getContentValues() { - final ContentValues values = new ContentValues(); - values.put(ACCOUNT, accountUuid); - values.put(SYSTEMNAME, systemName); - values.put(SERVERNAME, serverName); - values.put(JID, jid.toString()); - values.put(OPTIONS, subscription); - values.put(SYSTEMACCOUNT, systemAccount); - values.put(PHOTOURI, photoUri); - values.put(KEYS, keys.toString()); - values.put(AVATAR, avatar == null ? null : avatar.getFilename()); - values.put(LAST_PRESENCE, lastseen.presence); - values.put(LAST_TIME, lastseen.time); - values.put(GROUPS, groups.toString()); - return values; + synchronized (this.keys) { + final ContentValues values = new ContentValues(); + values.put(ACCOUNT, accountUuid); + values.put(SYSTEMNAME, systemName); + values.put(SERVERNAME, serverName); + values.put(JID, jid.toString()); + values.put(OPTIONS, subscription); + values.put(SYSTEMACCOUNT, systemAccount); + values.put(PHOTOURI, photoUri); + values.put(KEYS, keys.toString()); + values.put(AVATAR, avatar == null ? null : avatar.getFilename()); + values.put(LAST_PRESENCE, lastseen.presence); + values.put(LAST_TIME, lastseen.time); + values.put(GROUPS, groups.toString()); + return values; + } } public int getSubscription() { @@ -287,60 +289,65 @@ public class Contact implements ListItem, Blockable { } public ArrayList<String> getOtrFingerprints() { - final ArrayList<String> fingerprints = new ArrayList<String>(); - try { - if (this.keys.has("otr_fingerprints")) { - final JSONArray prints = this.keys.getJSONArray("otr_fingerprints"); - for (int i = 0; i < prints.length(); ++i) { - final String print = prints.isNull(i) ? null : prints.getString(i); - if (print != null && !print.isEmpty()) { - fingerprints.add(prints.getString(i)); + synchronized (this.keys) { + final ArrayList<String> fingerprints = new ArrayList<String>(); + try { + if (this.keys.has("otr_fingerprints")) { + final JSONArray prints = this.keys.getJSONArray("otr_fingerprints"); + for (int i = 0; i < prints.length(); ++i) { + final String print = prints.isNull(i) ? null : prints.getString(i); + if (print != null && !print.isEmpty()) { + fingerprints.add(prints.getString(i)); + } } } - } - } catch (final JSONException ignored) { + } catch (final JSONException ignored) { + } + return fingerprints; } - return fingerprints; } - public boolean addOtrFingerprint(String print) { - if (getOtrFingerprints().contains(print)) { - return false; - } - try { - JSONArray fingerprints; - if (!this.keys.has("otr_fingerprints")) { - fingerprints = new JSONArray(); - - } else { - fingerprints = this.keys.getJSONArray("otr_fingerprints"); + synchronized (this.keys) { + if (getOtrFingerprints().contains(print)) { + return false; + } + try { + JSONArray fingerprints; + if (!this.keys.has("otr_fingerprints")) { + fingerprints = new JSONArray(); + } else { + fingerprints = this.keys.getJSONArray("otr_fingerprints"); + } + fingerprints.put(print); + this.keys.put("otr_fingerprints", fingerprints); + return true; + } catch (final JSONException ignored) { + return false; } - fingerprints.put(print); - this.keys.put("otr_fingerprints", fingerprints); - return true; - } catch (final JSONException ignored) { - return false; } } public long getPgpKeyId() { - if (this.keys.has("pgp_keyid")) { - try { - return this.keys.getLong("pgp_keyid"); - } catch (JSONException e) { + synchronized (this.keys) { + if (this.keys.has("pgp_keyid")) { + try { + return this.keys.getLong("pgp_keyid"); + } catch (JSONException e) { + return 0; + } + } else { return 0; } - } else { - return 0; } } public void setPgpKeyId(long keyId) { - try { - this.keys.put("pgp_keyid", keyId); - } catch (final JSONException ignored) { - + synchronized (this.keys) { + try { + this.keys.put("pgp_keyid", keyId); + } catch (final JSONException ignored) { + } } } @@ -447,24 +454,26 @@ public class Contact implements ListItem, Blockable { } public boolean deleteOtrFingerprint(String fingerprint) { - boolean success = false; - try { - if (this.keys.has("otr_fingerprints")) { - JSONArray newPrints = new JSONArray(); - JSONArray oldPrints = this.keys - .getJSONArray("otr_fingerprints"); - for (int i = 0; i < oldPrints.length(); ++i) { - if (!oldPrints.getString(i).equals(fingerprint)) { - newPrints.put(oldPrints.getString(i)); - } else { - success = true; + synchronized (this.keys) { + boolean success = false; + try { + if (this.keys.has("otr_fingerprints")) { + JSONArray newPrints = new JSONArray(); + JSONArray oldPrints = this.keys + .getJSONArray("otr_fingerprints"); + for (int i = 0; i < oldPrints.length(); ++i) { + if (!oldPrints.getString(i).equals(fingerprint)) { + newPrints.put(oldPrints.getString(i)); + } else { + success = true; + } } + this.keys.put("otr_fingerprints", newPrints); } - this.keys.put("otr_fingerprints", newPrints); + return success; + } catch (JSONException e) { + return false; } - return success; - } catch (JSONException e) { - return false; } } diff --git a/src/main/java/eu/siacs/conversations/entities/Conversation.java b/src/main/java/eu/siacs/conversations/entities/Conversation.java index 6ff0e270..1c985e2f 100644 --- a/src/main/java/eu/siacs/conversations/entities/Conversation.java +++ b/src/main/java/eu/siacs/conversations/entities/Conversation.java @@ -179,13 +179,13 @@ public class Conversation extends AbstractEntity implements Blockable { } } - public void findUnsentMessagesWithOtrEncryption(OnMessageFound onMessageFound) { + public void findUnsentMessagesWithEncryption(int encryptionType, OnMessageFound onMessageFound) { synchronized (this.messages) { for (Message message : this.messages) { if ((message.getStatus() == Message.STATUS_UNSEND || message.getStatus() == Message.STATUS_WAITING) - && (message.getEncryption() == Message.ENCRYPTION_OTR)) { + && (message.getEncryption() == encryptionType)) { onMessageFound.onMessageFound(message); - } + } } } } @@ -519,6 +519,13 @@ public class Conversation extends AbstractEntity implements Blockable { return getContact().getOtrFingerprints().contains(getOtrFingerprint()); } + /** + * short for is Private and Non-anonymous + */ + public boolean isPnNA() { + return mode == MODE_SINGLE || (getMucOptions().membersOnly() && getMucOptions().nonanonymous()); + } + public synchronized MucOptions getMucOptions() { if (this.mucOptions == null) { this.mucOptions = new MucOptions(this); @@ -542,42 +549,51 @@ public class Conversation extends AbstractEntity implements Blockable { return this.nextCounterpart; } - public int getLatestEncryption() { - int latestEncryption = this.getLatestMessage().getEncryption(); - if ((latestEncryption == Message.ENCRYPTION_DECRYPTED) - || (latestEncryption == Message.ENCRYPTION_DECRYPTION_FAILED)) { - return Message.ENCRYPTION_PGP; - } else { - return latestEncryption; + private int getMostRecentlyUsedOutgoingEncryption() { + synchronized (this.messages) { + for(int i = this.messages.size() -1; i >= 0; --i) { + final Message m = this.messages.get(i); + if (!m.isCarbon() && m.getStatus() != Message.STATUS_RECEIVED) { + final int e = m.getEncryption(); + if (e == Message.ENCRYPTION_DECRYPTED || e == Message.ENCRYPTION_DECRYPTION_FAILED) { + return Message.ENCRYPTION_PGP; + } else { + return e; + } + } + } } + return Message.ENCRYPTION_NONE; } - public int getNextEncryption(boolean force) { - int next = this.getIntAttribute(ATTRIBUTE_NEXT_ENCRYPTION, -1); - if (next == -1) { - int latest = this.getLatestEncryption(); - if (latest == Message.ENCRYPTION_NONE) { - if (force && getMode() == MODE_SINGLE) { - return Message.ENCRYPTION_OTR; - } else if (getContact().getPresences().size() == 1) { - if (getContact().getOtrFingerprints().size() >= 1) { - return Message.ENCRYPTION_OTR; + private int getMostRecentlyUsedIncomingEncryption() { + synchronized (this.messages) { + for(int i = this.messages.size() -1; i >= 0; --i) { + final Message m = this.messages.get(i); + if (m.getStatus() == Message.STATUS_RECEIVED) { + final int e = m.getEncryption(); + if (e == Message.ENCRYPTION_DECRYPTED || e == Message.ENCRYPTION_DECRYPTION_FAILED) { + return Message.ENCRYPTION_PGP; } else { - return latest; + return e; } - } else { - return latest; } - } else { - return latest; } } - if (next == Message.ENCRYPTION_NONE && force - && getMode() == MODE_SINGLE) { - return Message.ENCRYPTION_OTR; - } else { - return next; + return Message.ENCRYPTION_NONE; + } + + public int getNextEncryption() { + int next = this.getIntAttribute(ATTRIBUTE_NEXT_ENCRYPTION, -1); + if (next == -1) { + int outgoing = this.getMostRecentlyUsedOutgoingEncryption(); + if (outgoing == Message.ENCRYPTION_NONE) { + return this.getMostRecentlyUsedIncomingEncryption(); + } else { + return outgoing; + } } + return next; } public void setNextEncryption(int encryption) { diff --git a/src/main/java/eu/siacs/conversations/entities/DownloadableFile.java b/src/main/java/eu/siacs/conversations/entities/DownloadableFile.java index ae9ba1f1..d35a4b01 100644 --- a/src/main/java/eu/siacs/conversations/entities/DownloadableFile.java +++ b/src/main/java/eu/siacs/conversations/entities/DownloadableFile.java @@ -1,28 +1,8 @@ package eu.siacs.conversations.entities; import java.io.File; -import java.io.FileInputStream; -import java.io.FileNotFoundException; -import java.io.FileOutputStream; -import java.io.InputStream; -import java.io.OutputStream; -import java.net.URLConnection; -import java.security.InvalidAlgorithmParameterException; -import java.security.InvalidKeyException; -import java.security.Key; -import java.security.NoSuchAlgorithmException; - -import javax.crypto.Cipher; -import javax.crypto.CipherInputStream; -import javax.crypto.CipherOutputStream; -import javax.crypto.NoSuchPaddingException; -import javax.crypto.spec.IvParameterSpec; -import javax.crypto.spec.SecretKeySpec; - -import eu.siacs.conversations.Config; -import eu.siacs.conversations.utils.MimeUtils; -import android.util.Log; +import eu.siacs.conversations.utils.MimeUtils; public class DownloadableFile extends File { @@ -30,8 +10,7 @@ public class DownloadableFile extends File { private long expectedSize = 0; private String sha1sum; - private Key aeskey; - private String mime; + private byte[] aeskey; private byte[] iv = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0xf }; @@ -45,15 +24,7 @@ public class DownloadableFile extends File { } public long getExpectedSize() { - if (this.aeskey != null) { - if (this.expectedSize == 0) { - return 0; - } else { - return (this.expectedSize / 16 + 1) * 16; - } - } else { - return this.expectedSize; - } + return this.expectedSize; } public String getMimeType() { @@ -79,91 +50,38 @@ public class DownloadableFile extends File { this.sha1sum = sum; } - public void setKey(byte[] key) { - if (key.length == 48) { + public void setKeyAndIv(byte[] keyIvCombo) { + if (keyIvCombo.length == 48) { byte[] secretKey = new byte[32]; byte[] iv = new byte[16]; - System.arraycopy(key, 0, iv, 0, 16); - System.arraycopy(key, 16, secretKey, 0, 32); - this.aeskey = new SecretKeySpec(secretKey, "AES"); + System.arraycopy(keyIvCombo, 0, iv, 0, 16); + System.arraycopy(keyIvCombo, 16, secretKey, 0, 32); + this.aeskey = secretKey; this.iv = iv; - } else if (key.length >= 32) { + } else if (keyIvCombo.length >= 32) { byte[] secretKey = new byte[32]; - System.arraycopy(key, 0, secretKey, 0, 32); - this.aeskey = new SecretKeySpec(secretKey, "AES"); - } else if (key.length >= 16) { + System.arraycopy(keyIvCombo, 0, secretKey, 0, 32); + this.aeskey = secretKey; + } else if (keyIvCombo.length >= 16) { byte[] secretKey = new byte[16]; - System.arraycopy(key, 0, secretKey, 0, 16); - this.aeskey = new SecretKeySpec(secretKey, "AES"); + System.arraycopy(keyIvCombo, 0, secretKey, 0, 16); + this.aeskey = secretKey; } } - public Key getKey() { - return this.aeskey; + public void setKey(byte[] key) { + this.aeskey = key; } - public InputStream createInputStream() { - if (this.getKey() == null) { - try { - return new FileInputStream(this); - } catch (FileNotFoundException e) { - return null; - } - } else { - try { - IvParameterSpec ips = new IvParameterSpec(iv); - Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding"); - cipher.init(Cipher.ENCRYPT_MODE, this.getKey(), ips); - Log.d(Config.LOGTAG, "opening encrypted input stream"); - return new CipherInputStream(new FileInputStream(this), cipher); - } catch (NoSuchAlgorithmException e) { - Log.d(Config.LOGTAG, "no such algo: " + e.getMessage()); - return null; - } catch (NoSuchPaddingException e) { - Log.d(Config.LOGTAG, "no such padding: " + e.getMessage()); - return null; - } catch (InvalidKeyException e) { - Log.d(Config.LOGTAG, "invalid key: " + e.getMessage()); - return null; - } catch (InvalidAlgorithmParameterException e) { - Log.d(Config.LOGTAG, "invavid iv:" + e.getMessage()); - return null; - } catch (FileNotFoundException e) { - return null; - } - } + public void setIv(byte[] iv) { + this.iv = iv; } - public OutputStream createOutputStream() { - if (this.getKey() == null) { - try { - return new FileOutputStream(this); - } catch (FileNotFoundException e) { - return null; - } - } else { - try { - IvParameterSpec ips = new IvParameterSpec(this.iv); - Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding"); - cipher.init(Cipher.DECRYPT_MODE, this.getKey(), ips); - Log.d(Config.LOGTAG, "opening encrypted output stream"); - return new CipherOutputStream(new FileOutputStream(this), - cipher); - } catch (NoSuchAlgorithmException e) { - Log.d(Config.LOGTAG, "no such algo: " + e.getMessage()); - return null; - } catch (NoSuchPaddingException e) { - Log.d(Config.LOGTAG, "no such padding: " + e.getMessage()); - return null; - } catch (InvalidKeyException e) { - Log.d(Config.LOGTAG, "invalid key: " + e.getMessage()); - return null; - } catch (InvalidAlgorithmParameterException e) { - Log.d(Config.LOGTAG, "invavid iv:" + e.getMessage()); - return null; - } catch (FileNotFoundException e) { - return null; - } - } + public byte[] getKey() { + return this.aeskey; + } + + public byte[] getIv() { + return this.iv; } } diff --git a/src/main/java/eu/siacs/conversations/entities/Message.java b/src/main/java/eu/siacs/conversations/entities/Message.java index d04dff87..6a878e90 100644 --- a/src/main/java/eu/siacs/conversations/entities/Message.java +++ b/src/main/java/eu/siacs/conversations/entities/Message.java @@ -8,6 +8,7 @@ import java.net.URL; import java.util.Arrays; import eu.siacs.conversations.Config; +import eu.siacs.conversations.crypto.axolotl.XmppAxolotlSession; import eu.siacs.conversations.utils.GeoHelper; import eu.siacs.conversations.utils.MimeUtils; import eu.siacs.conversations.utils.UIHelper; @@ -34,6 +35,7 @@ public class Message extends AbstractEntity { public static final int ENCRYPTION_OTR = 2; public static final int ENCRYPTION_DECRYPTED = 3; public static final int ENCRYPTION_DECRYPTION_FAILED = 4; + public static final int ENCRYPTION_AXOLOTL = 5; public static final int TYPE_TEXT = 0; public static final int TYPE_IMAGE = 1; @@ -49,9 +51,11 @@ public class Message extends AbstractEntity { public static final String ENCRYPTION = "encryption"; public static final String STATUS = "status"; public static final String TYPE = "type"; + public static final String CARBON = "carbon"; public static final String REMOTE_MSG_ID = "remoteMsgId"; public static final String SERVER_MSG_ID = "serverMsgId"; public static final String RELATIVE_FILE_PATH = "relativeFilePath"; + public static final String FINGERPRINT = "axolotl_fingerprint"; public static final String ME_COMMAND = "/me "; @@ -65,6 +69,7 @@ public class Message extends AbstractEntity { protected int encryption; protected int status; protected int type; + protected boolean carbon = false; protected String relativeFilePath; protected boolean read = true; protected String remoteMsgId = null; @@ -73,6 +78,7 @@ public class Message extends AbstractEntity { protected Transferable transferable = null; private Message mNextMessage = null; private Message mPreviousMessage = null; + private String axolotlFingerprint = null; private Message() { @@ -81,8 +87,11 @@ public class Message extends AbstractEntity { public Message(Conversation conversation, String body, int encryption) { this(conversation, body, encryption, STATUS_UNSEND); } - public Message(Conversation conversation, String body, int encryption, int status) { + this(conversation, body, encryption, status, false); + } + + public Message(Conversation conversation, String body, int encryption, int status, boolean carbon) { this(java.util.UUID.randomUUID().toString(), conversation.getUuid(), conversation.getJid() == null ? null : conversation.getJid().toBareJid(), @@ -92,6 +101,8 @@ public class Message extends AbstractEntity { encryption, status, TYPE_TEXT, + false, + null, null, null, null); @@ -100,8 +111,9 @@ public class Message extends AbstractEntity { private Message(final String uuid, final String conversationUUid, final Jid counterpart, final Jid trueCounterpart, final String body, final long timeSent, - final int encryption, final int status, final int type, final String remoteMsgId, - final String relativeFilePath, final String serverMsgId) { + final int encryption, final int status, final int type, final boolean carbon, + final String remoteMsgId, final String relativeFilePath, + final String serverMsgId, final String fingerprint) { this.uuid = uuid; this.conversationUuid = conversationUUid; this.counterpart = counterpart; @@ -111,9 +123,11 @@ public class Message extends AbstractEntity { this.encryption = encryption; this.status = status; this.type = type; + this.carbon = carbon; this.remoteMsgId = remoteMsgId; this.relativeFilePath = relativeFilePath; this.serverMsgId = serverMsgId; + this.axolotlFingerprint = fingerprint; } public static Message fromCursor(Cursor cursor) { @@ -148,9 +162,11 @@ public class Message extends AbstractEntity { cursor.getInt(cursor.getColumnIndex(ENCRYPTION)), cursor.getInt(cursor.getColumnIndex(STATUS)), cursor.getInt(cursor.getColumnIndex(TYPE)), + cursor.getInt(cursor.getColumnIndex(CARBON))>0, cursor.getString(cursor.getColumnIndex(REMOTE_MSG_ID)), cursor.getString(cursor.getColumnIndex(RELATIVE_FILE_PATH)), - cursor.getString(cursor.getColumnIndex(SERVER_MSG_ID))); + cursor.getString(cursor.getColumnIndex(SERVER_MSG_ID)), + cursor.getString(cursor.getColumnIndex(FINGERPRINT))); } public static Message createStatusMessage(Conversation conversation, String body) { @@ -181,9 +197,11 @@ public class Message extends AbstractEntity { values.put(ENCRYPTION, encryption); values.put(STATUS, status); values.put(TYPE, type); + values.put(CARBON, carbon ? 1 : 0); values.put(REMOTE_MSG_ID, remoteMsgId); values.put(RELATIVE_FILE_PATH, relativeFilePath); values.put(SERVER_MSG_ID, serverMsgId); + values.put(FINGERPRINT, axolotlFingerprint); return values; } @@ -304,6 +322,14 @@ public class Message extends AbstractEntity { this.type = type; } + public boolean isCarbon() { + return carbon; + } + + public void setCarbon(boolean carbon) { + this.carbon = carbon; + } + public void setTrueCounterpart(Jid trueCounterpart) { this.trueCounterpart = trueCounterpart; } @@ -389,7 +415,8 @@ public class Message extends AbstractEntity { message.treatAsDownloadable() == Decision.NEVER && this.treatAsDownloadable() == Decision.NEVER && !message.getBody().startsWith(ME_COMMAND) && - !this.getBody().startsWith(ME_COMMAND) + !this.getBody().startsWith(ME_COMMAND) && + this.isTrusted() == message.isTrusted() ); } @@ -405,11 +432,14 @@ public class Message extends AbstractEntity { } public String getMergedBody() { - final Message next = this.next(); - if (this.mergeable(next)) { - return getBody() + MERGE_SEPARATOR + next.getMergedBody(); + StringBuilder body = new StringBuilder(this.body.trim()); + Message current = this; + while(current.mergeable(current.next())) { + current = current.next(); + body.append(MERGE_SEPARATOR); + body.append(current.getBody()); } - return getBody(); + return body.toString(); } public boolean hasMeCommand() { @@ -417,20 +447,23 @@ public class Message extends AbstractEntity { } public int getMergedStatus() { - final Message next = this.next(); - if (this.mergeable(next)) { - return next.getStatus(); + int status = this.status; + Message current = this; + while(current.mergeable(current.next())) { + current = current.next(); + status = current.status; } - return getStatus(); + return status; } public long getMergedTimeSent() { - Message next = this.next(); - if (this.mergeable(next)) { - return next.getMergedTimeSent(); - } else { - return getTimeSent(); + long time = this.timeSent; + Message current = this; + while(current.mergeable(current.next())) { + current = current.next(); + time = current.timeSent; } + return time; } public boolean wasMergedIntoPrevious() { @@ -673,4 +706,48 @@ public class Message extends AbstractEntity { public int width = 0; public int height = 0; } + + public void setAxolotlFingerprint(String fingerprint) { + this.axolotlFingerprint = fingerprint; + } + + public String getAxolotlFingerprint() { + return axolotlFingerprint; + } + + public boolean isTrusted() { + return conversation.getAccount().getAxolotlService().getFingerprintTrust(axolotlFingerprint) + == XmppAxolotlSession.Trust.TRUSTED; + } + + private int getPreviousEncryption() { + for (Message iterator = this.prev(); iterator != null; iterator = iterator.prev()){ + if( iterator.isCarbon() || iterator.getStatus() == STATUS_RECEIVED ) { + continue; + } + return iterator.getEncryption(); + } + return ENCRYPTION_NONE; + } + + private int getNextEncryption() { + for (Message iterator = this.next(); iterator != null; iterator = iterator.next()){ + if( iterator.isCarbon() || iterator.getStatus() == STATUS_RECEIVED ) { + continue; + } + return iterator.getEncryption(); + } + return conversation.getNextEncryption(); + } + + public boolean isValidInSession() { + int pastEncryption = this.getPreviousEncryption(); + int futureEncryption = this.getNextEncryption(); + + boolean inUnencryptedSession = pastEncryption == ENCRYPTION_NONE + || futureEncryption == ENCRYPTION_NONE + || pastEncryption != futureEncryption; + + return inUnencryptedSession || this.getEncryption() == pastEncryption; + } } diff --git a/src/main/java/eu/siacs/conversations/entities/MucOptions.java b/src/main/java/eu/siacs/conversations/entities/MucOptions.java index d867a370..52a862ef 100644 --- a/src/main/java/eu/siacs/conversations/entities/MucOptions.java +++ b/src/main/java/eu/siacs/conversations/entities/MucOptions.java @@ -1,5 +1,7 @@ package eu.siacs.conversations.entities; +import android.annotation.SuppressLint; + import java.util.ArrayList; import java.util.List; import java.util.concurrent.CopyOnWriteArrayList; @@ -11,8 +13,6 @@ import eu.siacs.conversations.xmpp.jid.InvalidJidException; import eu.siacs.conversations.xmpp.jid.Jid; import eu.siacs.conversations.xmpp.stanzas.PresencePacket; -import android.annotation.SuppressLint; - @SuppressLint("DefaultLocale") public class MucOptions { @@ -264,6 +264,15 @@ public class MucOptions { users.add(user); } + public boolean isUserInRoom(String name) { + for (int i = 0; i < users.size(); ++i) { + if (users.get(i).getName().equals(name)) { + return true; + } + } + return false; + } + public void processPacket(PresencePacket packet, PgpEngine pgp) { final Jid from = packet.getFrom(); if (!from.isBareJid()) { |