diff options
| author | Marvin W <git@larma.de> | 2026-10-04 14:42:16 +0200 |
|---|---|---|
| committer | Marvin W <git@larma.de> | 2026-10-23 16:59:59 +0200 |
| commit | dba577f39c489b9db29960f2bf5cc78ac4f29d7b (patch) | |
| tree | a8354c9fc328c1442d5e8c5c2adec4b428c92f44 /plugins/openpgp/src/stream_module.vala | |
| parent | 2413442905e31f34cb0f77c9167003b3725760fe (diff) | |
Move OMEMO, OpenPGP and RTP plugins into main/libdino
Diffstat (limited to 'plugins/openpgp/src/stream_module.vala')
| -rw-r--r-- | plugins/openpgp/src/stream_module.vala | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/plugins/openpgp/src/stream_module.vala b/plugins/openpgp/src/stream_module.vala deleted file mode 100644 index 9985df26..00000000 --- a/plugins/openpgp/src/stream_module.vala +++ /dev/null @@ -1,159 +0,0 @@ -using GPG; - -using Xmpp; - -namespace Dino.Plugins.OpenPgp { - private const string NS_URI = "jabber:x"; - private const string NS_URI_ENCRYPTED = NS_URI + ":encrypted"; - private const string NS_URI_SIGNED = NS_URI + ":signed"; - - public class Module : XmppStreamModule { - public static Xmpp.ModuleIdentity<Module> IDENTITY = new Xmpp.ModuleIdentity<Module>(NS_URI, "0027_current_pgp_usage"); - - public signal void received_jid_presence_signature(XmppStream stream, Jid jid, string sig, string signed_data); - - private string? signed_status = null; - private Key? own_key = null; - private ReceivedPipelineDecryptListener received_pipeline_decrypt_listener = new ReceivedPipelineDecryptListener(); - - public Module(string? own_key_id = null, ref string? signed_data, ref string? sig) { - set_private_key_id(own_key_id, ref signed_data, ref sig); - } - - public void set_private_key_id(string? own_key_id, ref string? signed_data, ref string? sig) { - if (own_key_id != null && sig == null) { - try { - own_key = GPGHelper.get_private_key(own_key_id); - if (own_key == null) warning("Can't get PGP private key"); - } catch (Error e) { } - if (own_key != null) { - if (signed_data == null) signed_data = ""; - sig = gpg_sign(signed_data, own_key); - } - } - signed_status = own_key_id != null ? sig : null; - } - - public bool encrypt(MessageStanza message, GPG.Key[] keys) { - string? enc_body = gpg_encrypt(message.body, keys); - if (enc_body != null) { - message.stanza.put_node(new StanzaNode.build("x", NS_URI_ENCRYPTED).add_self_xmlns().put_node(new StanzaNode.text(enc_body))); - message.body = "[This message is OpenPGP encrypted (see XEP-0027)]"; - Xep.ExplicitEncryption.add_encryption_tag_to_message(message, NS_URI_ENCRYPTED); - return true; - } - return false; - } - - public override void attach(XmppStream stream) { - stream.get_module(Presence.Module.IDENTITY).received_presence.connect(on_received_presence); - stream.get_module(Presence.Module.IDENTITY).pre_send_presence_stanza.connect(on_pre_send_presence_stanza); - stream.get_module(MessageModule.IDENTITY).received_pipeline.connect(received_pipeline_decrypt_listener); - } - - public override void detach(XmppStream stream) { - stream.get_module(Presence.Module.IDENTITY).received_presence.disconnect(on_received_presence); - stream.get_module(Presence.Module.IDENTITY).pre_send_presence_stanza.disconnect(on_pre_send_presence_stanza); - stream.get_module(MessageModule.IDENTITY).received_pipeline.disconnect(received_pipeline_decrypt_listener); - } - - public override string get_ns() { return NS_URI; } - public override string get_id() { return IDENTITY.id; } - - private void on_received_presence(XmppStream stream, Presence.Stanza presence) { - StanzaNode x_node = presence.stanza.get_subnode("x", NS_URI_SIGNED); - if (x_node == null) return; - string? sig = x_node.get_string_content(); - if (sig == null) return; - string signed_data = presence.status == null ? "" : presence.status; - received_jid_presence_signature(stream, presence.from, sig, signed_data); - } - - private void on_pre_send_presence_stanza(XmppStream stream, Presence.Stanza presence) { - if (presence.type_ == Presence.Stanza.TYPE_AVAILABLE && signed_status != null) { - presence.stanza.put_node(new StanzaNode.build("x", NS_URI_SIGNED).add_self_xmlns().put_node(new StanzaNode.text(signed_status))); - } - } - - private static string? gpg_encrypt(string plain, GPG.Key[] keys) { - string encr; - try { - encr = GPGHelper.encrypt_armor(plain, keys, GPG.EncryptFlags.ALWAYS_TRUST); - } catch (Error e) { - return null; - } - int encryption_start = encr.index_of("\n\n") + 2; - return encr.substring(encryption_start, encr.length - "\n-----END PGP MESSAGE-----".length - encryption_start); - } - - private static string? gpg_sign(string str, Key key) { - string signed; - try { - signed = GPGHelper.sign(str, GPG.SigMode.CLEAR, key); - } catch (Error e) { - return null; - } - int signature_start = signed.index_of("-----BEGIN PGP SIGNATURE-----"); - signature_start = signed.index_of("\n\n", signature_start) + 2; - return signed.substring(signature_start, signed.length - "\n-----END PGP SIGNATURE-----".length - signature_start); - } - } - - public class MessageFlag : Xmpp.MessageFlag { - public const string id = "pgp"; - - public bool decrypted = false; - - public static MessageFlag? get_flag(MessageStanza message) { - return (MessageFlag) message.get_flag(NS_URI, id); - } - - public override string get_ns() { return NS_URI; } - public override string get_id() { return id; } - } - -public class ReceivedPipelineDecryptListener : StanzaListener<MessageStanza> { - - private string[] after_actions_const = {"MODIFY_BODY"}; - - public override string action_group { get { return "ENCRYPT_BODY"; } } - public override string[] after_actions { get { return after_actions_const; } } - - public override async bool run(XmppStream stream, MessageStanza message) { - string? encrypted = get_cyphertext(message); - if (encrypted != null) { - MessageFlag flag = new MessageFlag(); - message.add_flag(flag); - string? decrypted = yield gpg_decrypt(encrypted); - if (decrypted != null) { - flag.decrypted = true; - message.body = decrypted; - } - } - return false; - } - - private static async string? gpg_decrypt(string enc) { - SourceFunc callback = gpg_decrypt.callback; - string? res = null; - new Thread<void*> (null, () => { - string armor = "-----BEGIN PGP MESSAGE-----\n\n" + enc + "\n-----END PGP MESSAGE-----"; - try { - res = GPGHelper.decrypt(armor); - } catch (Error e) { - res = null; - } - Idle.add((owned) callback); - return null; - }); - yield; - return res; - } - - private string? get_cyphertext(MessageStanza message) { - StanzaNode? x_node = message.stanza.get_subnode("x", NS_URI_ENCRYPTED); - return x_node == null ? null : x_node.get_string_content(); - } -} - -} |
