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authorfrosty <frostinator33@airmail.cc>2026-10-26 10:21:57 -0400
committerfrosty <frostinator33@airmail.cc>2026-10-26 10:21:57 -0400
commit74aecd8b0986d07b50b7ce310d64e645b8b54e38 (patch)
tree560e6434f183eb54cd779936f3a4c9575146a066 /plugins/openpgp/src/stream_module.vala
parent3d7e90d401da02d430a87db0ec7e1db3a6f1a68f (diff)
parent4436001bb361ad4f9e4e05819214ecf0ea77c063 (diff)
Merge 'upstream/master'
Diffstat (limited to 'plugins/openpgp/src/stream_module.vala')
-rw-r--r--plugins/openpgp/src/stream_module.vala159
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();
- }
-}
-
-}