diff options
author | lookshe <github@lookshe.org> | 2016-02-11 10:45:27 +0100 |
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committer | lookshe <github@lookshe.org> | 2016-02-11 10:45:27 +0100 |
commit | 3824eb172ba9a4a6b9ea84b0d1045591bc4fa0e3 (patch) | |
tree | 0286423f053440a5900732032e35810d6cc076c6 /src/main/java/eu/siacs/conversations/crypto/axolotl/XmppAxolotlSession.java | |
parent | cec1b0f1f8d3976ab6a437ff4584ac039b64fa9a (diff) | |
parent | ae83efe4a6c1b3349147904eee200f0b617741c3 (diff) |
Merge tag '1.9.3' into trz/merge_1.9.3
Conflicts:
.travis.yml
CHANGELOG.md
README.md
art/render.rb
build.gradle
libs/openpgp-api-lib/build.gradle
settings.gradle
src/main/AndroidManifest.xml
src/main/java/eu/siacs/conversations/Config.java
src/main/java/eu/siacs/conversations/crypto/OtrService.java
src/main/java/eu/siacs/conversations/crypto/PgpEngine.java
src/main/java/eu/siacs/conversations/entities/Account.java
src/main/java/eu/siacs/conversations/entities/Contact.java
src/main/java/eu/siacs/conversations/entities/Conversation.java
src/main/java/eu/siacs/conversations/entities/DownloadableFile.java
src/main/java/eu/siacs/conversations/entities/Message.java
src/main/java/eu/siacs/conversations/entities/MucOptions.java
src/main/java/eu/siacs/conversations/entities/Transferable.java
src/main/java/eu/siacs/conversations/generator/AbstractGenerator.java
src/main/java/eu/siacs/conversations/generator/IqGenerator.java
src/main/java/eu/siacs/conversations/generator/MessageGenerator.java
src/main/java/eu/siacs/conversations/generator/PresenceGenerator.java
src/main/java/eu/siacs/conversations/http/HttpConnectionManager.java
src/main/java/eu/siacs/conversations/http/HttpDownloadConnection.java
src/main/java/eu/siacs/conversations/http/HttpUploadConnection.java
src/main/java/eu/siacs/conversations/parser/AbstractParser.java
src/main/java/eu/siacs/conversations/parser/IqParser.java
src/main/java/eu/siacs/conversations/parser/MessageParser.java
src/main/java/eu/siacs/conversations/parser/PresenceParser.java
src/main/java/eu/siacs/conversations/persistance/DatabaseBackend.java
src/main/java/eu/siacs/conversations/persistance/FileBackend.java
src/main/java/eu/siacs/conversations/services/AbstractConnectionManager.java
src/main/java/eu/siacs/conversations/services/AvatarService.java
src/main/java/eu/siacs/conversations/services/MessageArchiveService.java
src/main/java/eu/siacs/conversations/services/NotificationService.java
src/main/java/eu/siacs/conversations/services/XmppConnectionService.java
src/main/java/eu/siacs/conversations/ui/ConferenceDetailsActivity.java
src/main/java/eu/siacs/conversations/ui/ContactDetailsActivity.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/ManageAccountActivity.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/ShareWithActivity.java
src/main/java/eu/siacs/conversations/ui/XmppActivity.java
src/main/java/eu/siacs/conversations/ui/adapter/AccountAdapter.java
src/main/java/eu/siacs/conversations/ui/adapter/ConversationAdapter.java
src/main/java/eu/siacs/conversations/ui/adapter/ListItemAdapter.java
src/main/java/eu/siacs/conversations/ui/adapter/MessageAdapter.java
src/main/java/eu/siacs/conversations/utils/CryptoHelper.java
src/main/java/eu/siacs/conversations/utils/DNSHelper.java
src/main/java/eu/siacs/conversations/utils/ExceptionHelper.java
src/main/java/eu/siacs/conversations/utils/MimeUtils.java
src/main/java/eu/siacs/conversations/utils/PhoneHelper.java
src/main/java/eu/siacs/conversations/utils/UIHelper.java
src/main/java/eu/siacs/conversations/utils/Xmlns.java
src/main/java/eu/siacs/conversations/xml/XmlReader.java
src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java
src/main/java/eu/siacs/conversations/xmpp/jingle/JingleConnection.java
src/main/java/eu/siacs/conversations/xmpp/jingle/JingleConnectionManager.java
src/main/java/eu/siacs/conversations/xmpp/jingle/JingleInbandTransport.java
src/main/java/eu/siacs/conversations/xmpp/jingle/JingleSocks5Transport.java
src/main/java/eu/siacs/conversations/xmpp/stanzas/MessagePacket.java
src/main/res/drawable-hdpi/ic_launcher.png
src/main/res/drawable-hdpi/ic_notification.png
src/main/res/drawable-mdpi/ic_launcher.png
src/main/res/drawable-mdpi/ic_notification.png
src/main/res/drawable-xhdpi/ic_launcher.png
src/main/res/drawable-xhdpi/ic_notification.png
src/main/res/drawable-xxhdpi/ic_launcher.png
src/main/res/drawable-xxhdpi/ic_notification.png
src/main/res/drawable-xxxhdpi/ic_launcher.png
src/main/res/drawable-xxxhdpi/ic_notification.png
src/main/res/layout/account_row.xml
src/main/res/layout/activity_about.xml
src/main/res/layout/activity_change_password.xml
src/main/res/layout/activity_contact_details.xml
src/main/res/layout/activity_edit_account.xml
src/main/res/layout/activity_muc_details.xml
src/main/res/layout/activity_publish_profile_picture.xml
src/main/res/layout/activity_verify_otr.xml
src/main/res/layout/contact.xml
src/main/res/layout/contact_key.xml
src/main/res/layout/conversation_list_row.xml
src/main/res/layout/enter_jid_dialog.xml
src/main/res/layout/fragment_conversation.xml
src/main/res/layout/join_conference_dialog.xml
src/main/res/layout/message_received.xml
src/main/res/layout/message_sent.xml
src/main/res/layout/message_status.xml
src/main/res/layout/quickedit.xml
src/main/res/values-ar-rEG/strings.xml
src/main/res/values-bg/strings.xml
src/main/res/values-ca/strings.xml
src/main/res/values-cs/strings.xml
src/main/res/values-de/strings.xml
src/main/res/values-el/strings.xml
src/main/res/values-es/strings.xml
src/main/res/values-eu/strings.xml
src/main/res/values-fa-rIR/strings.xml
src/main/res/values-fr/strings.xml
src/main/res/values-id/strings.xml
src/main/res/values-it/strings.xml
src/main/res/values-iw/strings.xml
src/main/res/values-ja/strings.xml
src/main/res/values-ko/strings.xml
src/main/res/values-nl/strings.xml
src/main/res/values-pl/strings.xml
src/main/res/values-pt/strings.xml
src/main/res/values-ru/strings.xml
src/main/res/values-sk/strings.xml
src/main/res/values-sr/strings.xml
src/main/res/values-sv/strings.xml
src/main/res/values-v21/themes.xml
src/main/res/values-zh-rCN/strings.xml
src/main/res/values/arrays.xml
src/main/res/values/colors.xml
src/main/res/values/dimens.xml
src/main/res/values/strings.xml
src/main/res/values/themes.xml
src/main/res/xml/preferences.xml
Diffstat (limited to 'src/main/java/eu/siacs/conversations/crypto/axolotl/XmppAxolotlSession.java')
-rw-r--r-- | src/main/java/eu/siacs/conversations/crypto/axolotl/XmppAxolotlSession.java | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/src/main/java/eu/siacs/conversations/crypto/axolotl/XmppAxolotlSession.java b/src/main/java/eu/siacs/conversations/crypto/axolotl/XmppAxolotlSession.java new file mode 100644 index 00000000..b713eb5f --- /dev/null +++ b/src/main/java/eu/siacs/conversations/crypto/axolotl/XmppAxolotlSession.java @@ -0,0 +1,221 @@ +package eu.siacs.conversations.crypto.axolotl; + +import android.support.annotation.NonNull; +import android.support.annotation.Nullable; +import android.util.Log; + +import org.whispersystems.libaxolotl.AxolotlAddress; +import org.whispersystems.libaxolotl.DuplicateMessageException; +import org.whispersystems.libaxolotl.IdentityKey; +import org.whispersystems.libaxolotl.InvalidKeyException; +import org.whispersystems.libaxolotl.InvalidKeyIdException; +import org.whispersystems.libaxolotl.InvalidMessageException; +import org.whispersystems.libaxolotl.InvalidVersionException; +import org.whispersystems.libaxolotl.LegacyMessageException; +import org.whispersystems.libaxolotl.NoSessionException; +import org.whispersystems.libaxolotl.SessionCipher; +import org.whispersystems.libaxolotl.UntrustedIdentityException; +import org.whispersystems.libaxolotl.protocol.CiphertextMessage; +import org.whispersystems.libaxolotl.protocol.PreKeyWhisperMessage; +import org.whispersystems.libaxolotl.protocol.WhisperMessage; + +import java.util.HashMap; +import java.util.Map; + +import eu.siacs.conversations.Config; +import eu.siacs.conversations.entities.Account; + +public class XmppAxolotlSession { + private final SessionCipher cipher; + private final SQLiteAxolotlStore sqLiteAxolotlStore; + private final AxolotlAddress remoteAddress; + private final Account account; + private IdentityKey identityKey; + private Integer preKeyId = null; + private boolean fresh = true; + + public enum Trust { + UNDECIDED(0), + TRUSTED(1), + UNTRUSTED(2), + COMPROMISED(3), + INACTIVE_TRUSTED(4), + INACTIVE_UNDECIDED(5), + INACTIVE_UNTRUSTED(6), + TRUSTED_X509(7), + INACTIVE_TRUSTED_X509(8); + + private static final Map<Integer, Trust> trustsByValue = new HashMap<>(); + + static { + for (Trust trust : Trust.values()) { + trustsByValue.put(trust.getCode(), trust); + } + } + + private final int code; + + Trust(int code) { + this.code = code; + } + + public int getCode() { + return this.code; + } + + public String toString() { + switch (this) { + case UNDECIDED: + return "Trust undecided " + getCode(); + case TRUSTED: + return "Trusted " + getCode(); + case COMPROMISED: + return "Compromised " + getCode(); + case INACTIVE_TRUSTED: + return "Inactive (Trusted)" + getCode(); + case INACTIVE_UNDECIDED: + return "Inactive (Undecided)" + getCode(); + case INACTIVE_UNTRUSTED: + return "Inactive (Untrusted)" + getCode(); + case TRUSTED_X509: + return "Trusted (X509) " + getCode(); + case INACTIVE_TRUSTED_X509: + return "Inactive (Trusted (X509)) " + getCode(); + case UNTRUSTED: + default: + return "Untrusted " + getCode(); + } + } + + public static Trust fromBoolean(Boolean trusted) { + return trusted ? TRUSTED : UNTRUSTED; + } + + public static Trust fromCode(int code) { + return trustsByValue.get(code); + } + + public boolean trusted() { + return this == TRUSTED_X509 || this == TRUSTED; + } + + public boolean trustedInactive() { + return this == INACTIVE_TRUSTED_X509 || this == INACTIVE_TRUSTED; + } + } + + public XmppAxolotlSession(Account account, SQLiteAxolotlStore store, AxolotlAddress remoteAddress, IdentityKey identityKey) { + this(account, store, remoteAddress); + this.identityKey = identityKey; + } + + public XmppAxolotlSession(Account account, SQLiteAxolotlStore store, AxolotlAddress remoteAddress) { + this.cipher = new SessionCipher(store, remoteAddress); + this.remoteAddress = remoteAddress; + this.sqLiteAxolotlStore = store; + this.account = account; + } + + public Integer getPreKeyId() { + return preKeyId; + } + + public void resetPreKeyId() { + + preKeyId = null; + } + + public String getFingerprint() { + return identityKey == null ? null : identityKey.getFingerprint().replaceAll("\\s", ""); + } + + public IdentityKey getIdentityKey() { + return identityKey; + } + + public AxolotlAddress getRemoteAddress() { + return remoteAddress; + } + + public boolean isFresh() { + return fresh; + } + + public void setNotFresh() { + this.fresh = false; + } + + protected void setTrust(Trust trust) { + sqLiteAxolotlStore.setFingerprintTrust(getFingerprint(), trust); + } + + protected Trust getTrust() { + Trust trust = sqLiteAxolotlStore.getFingerprintTrust(getFingerprint()); + return (trust == null) ? Trust.UNDECIDED : trust; + } + + @Nullable + public byte[] processReceiving(byte[] encryptedKey) { + byte[] plaintext = null; + Trust trust = getTrust(); + switch (trust) { + case INACTIVE_TRUSTED: + case UNDECIDED: + case UNTRUSTED: + case TRUSTED: + case INACTIVE_TRUSTED_X509: + case TRUSTED_X509: + try { + try { + PreKeyWhisperMessage message = new PreKeyWhisperMessage(encryptedKey); + Log.i(Config.LOGTAG, AxolotlService.getLogprefix(account) + "PreKeyWhisperMessage received, new session ID:" + message.getSignedPreKeyId() + "/" + message.getPreKeyId()); + IdentityKey msgIdentityKey = message.getIdentityKey(); + if (this.identityKey != null && !this.identityKey.equals(msgIdentityKey)) { + Log.e(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Had session with fingerprint " + this.getFingerprint() + ", received message with fingerprint " + msgIdentityKey.getFingerprint()); + } else { + this.identityKey = msgIdentityKey; + plaintext = cipher.decrypt(message); + if (message.getPreKeyId().isPresent()) { + preKeyId = message.getPreKeyId().get(); + } + } + } catch (InvalidMessageException | InvalidVersionException e) { + Log.i(Config.LOGTAG, AxolotlService.getLogprefix(account) + "WhisperMessage received"); + WhisperMessage message = new WhisperMessage(encryptedKey); + plaintext = cipher.decrypt(message); + } catch (InvalidKeyException | InvalidKeyIdException | UntrustedIdentityException e) { + Log.w(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Error decrypting axolotl header, " + e.getClass().getName() + ": " + e.getMessage()); + } + } catch (LegacyMessageException | InvalidMessageException | DuplicateMessageException | NoSessionException e) { + Log.w(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Error decrypting axolotl header, " + e.getClass().getName() + ": " + e.getMessage()); + } + + if (plaintext != null) { + if (trust == Trust.INACTIVE_TRUSTED) { + setTrust(Trust.TRUSTED); + } else if (trust == Trust.INACTIVE_TRUSTED_X509) { + setTrust(Trust.TRUSTED_X509); + } + } + + break; + + case COMPROMISED: + default: + // ignore + break; + } + return plaintext; + } + + @Nullable + public byte[] processSending(@NonNull byte[] outgoingMessage) { + Trust trust = getTrust(); + if (trust.trusted()) { + CiphertextMessage ciphertextMessage = cipher.encrypt(outgoingMessage); + return ciphertextMessage.serialize(); + } else { + return null; + } + } +} |