diff options
| -rw-r--r-- | src/main/java/eu/siacs/conversations/entities/Conversation.java | 52 |
1 files changed, 34 insertions, 18 deletions
diff --git a/src/main/java/eu/siacs/conversations/entities/Conversation.java b/src/main/java/eu/siacs/conversations/entities/Conversation.java index ced48913..fa74c418 100644 --- a/src/main/java/eu/siacs/conversations/entities/Conversation.java +++ b/src/main/java/eu/siacs/conversations/entities/Conversation.java @@ -680,25 +680,41 @@ public class Conversation extends AbstractEntity implements Blockable, Comparabl return this.nextCounterpart; } - 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 e; - } - } - } - } - return Message.ENCRYPTION_NONE; - } - public int getNextEncryption() { - return Math.max(this.getIntAttribute(ATTRIBUTE_NEXT_ENCRYPTION, Message.ENCRYPTION_NONE), Message.ENCRYPTION_NONE); + return fixAvailableEncryption(this.getIntAttribute(ATTRIBUTE_NEXT_ENCRYPTION, getDefaultEncryption())); + } + + private int fixAvailableEncryption(int selectedEncryption) { + switch(selectedEncryption) { + case Message.ENCRYPTION_NONE: + return Config.supportUnencrypted() ? selectedEncryption : getDefaultEncryption(); + case Message.ENCRYPTION_AXOLOTL: + return Config.supportOmemo() ? selectedEncryption : getDefaultEncryption(); + case Message.ENCRYPTION_OTR: + return Config.supportOtr() ? selectedEncryption : getDefaultEncryption(); + case Message.ENCRYPTION_PGP: + case Message.ENCRYPTION_DECRYPTED: + case Message.ENCRYPTION_DECRYPTION_FAILED: + return Config.supportOpenPgp() ? Message.ENCRYPTION_PGP : getDefaultEncryption(); + default: + return getDefaultEncryption(); + } + } + + private int getDefaultEncryption() { + AxolotlService axolotlService = account.getAxolotlService(); + if (Config.supportUnencrypted()) { + return Message.ENCRYPTION_NONE; + } else if (Config.supportOmemo() + && (axolotlService != null && axolotlService.isConversationAxolotlCapable(this) || !Config.multipleEncryptionChoices())) { + return Message.ENCRYPTION_AXOLOTL; + } else if (Config.supportOtr() && mode == MODE_SINGLE) { + return Message.ENCRYPTION_OTR; + } else if (Config.supportOpenPgp()) { + return Message.ENCRYPTION_PGP; + } else { + return Message.ENCRYPTION_NONE; + } } public void setNextEncryption(int encryption) { |