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-rw-r--r--xmpp-vala/src/module/xep/0027_pgp/flag.vala24
-rw-r--r--xmpp-vala/src/module/xep/0027_pgp/module.vala153
2 files changed, 0 insertions, 177 deletions
diff --git a/xmpp-vala/src/module/xep/0027_pgp/flag.vala b/xmpp-vala/src/module/xep/0027_pgp/flag.vala
deleted file mode 100644
index 03844afa..00000000
--- a/xmpp-vala/src/module/xep/0027_pgp/flag.vala
+++ /dev/null
@@ -1,24 +0,0 @@
-using Gee;
-
-using Xmpp.Core;
-
-namespace Xmpp.Xep.Pgp {
-
-public class Flag : XmppStreamFlag {
- public const string ID = "pgp";
- public HashMap<string, string> key_ids = new HashMap<string, string>();
-
- public string? get_key_id(string jid) { return key_ids[get_bare_jid(jid)]; }
-
- public void set_key_id(string jid, string key) { key_ids[get_bare_jid(jid)] = key; }
-
- public static Flag? get_flag(XmppStream stream) { return (Flag?) stream.get_flag(NS_URI, ID); }
-
- public static bool has_flag(XmppStream stream) { return get_flag(stream) != null; }
-
- public override string get_ns() { return NS_URI; }
-
- public override string get_id() { return ID; }
-}
-
-} \ No newline at end of file
diff --git a/xmpp-vala/src/module/xep/0027_pgp/module.vala b/xmpp-vala/src/module/xep/0027_pgp/module.vala
deleted file mode 100644
index 5906abc3..00000000
--- a/xmpp-vala/src/module/xep/0027_pgp/module.vala
+++ /dev/null
@@ -1,153 +0,0 @@
-using GPG;
-
-using Xmpp.Core;
-
-namespace Xmpp.Xep.Pgp {
- 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 const string ID = "0027_current_pgp_usage";
- public static ModuleIdentity<Module> IDENTITY = new ModuleIdentity<Module>(NS_URI, ID);
-
- public signal void received_jid_key_id(XmppStream stream, string jid, string key_id);
-
- private string? signed_status;
- private string? own_key_id;
-
- public Module() {
- signed_status = gpg_sign("");
- if (signed_status != null) own_key_id = gpg_verify(signed_status, "");
- }
-
- public bool encrypt(Message.Stanza message, string key_id) {
- string? enc_body = gpg_encrypt(message.body, new string[] {key_id, own_key_id});
- 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)]";
- return true;
- }
- return false;
- }
-
- public string? get_cyphertext(Message.Stanza message) {
- StanzaNode? x_node = message.stanza.get_subnode("x", NS_URI_ENCRYPTED);
- return x_node == null ? null : x_node.get_string_content();
- }
-
- public override void attach(XmppStream stream) {
- Presence.Module.require(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);
- Message.Module.require(stream);
- stream.get_module(Message.Module.IDENTITY).pre_received_message.connect(on_pre_received_message);
- stream.add_flag(new Flag());
- }
-
- 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(Message.Module.IDENTITY).pre_received_message.disconnect(on_pre_received_message);
- }
-
- public static void require(XmppStream stream) {
- if (stream.get_module(IDENTITY) == null) stream.add_module(new Module());
- }
-
- public override string get_ns() { return NS_URI; }
- public override string get_id() { return 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) {
- string? sig = x_node.get_string_content();
- if (sig != null) {
- string signed_data = presence.status == null ? "" : presence.status;
- string? key_id = gpg_verify(sig, signed_data);
- if (key_id != null) {
- Flag.get_flag(stream).set_key_id(presence.from, key_id);
- received_jid_key_id(stream, presence.from, key_id);
- }
- }
- }
- }
-
- 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 void on_pre_received_message(XmppStream stream, Message.Stanza message) {
- string? encrypted = get_cyphertext(message);
- if (encrypted != null) {
- MessageFlag flag = new MessageFlag();
- message.add_flag(flag);
- string? decrypted = gpg_decrypt(encrypted);
- if (decrypted != null) {
- flag.decrypted = true;
- message.body = decrypted;
- }
- }
- }
-
- private static string? gpg_encrypt(string plain, string[] key_ids) {
- GPG.Key[] keys = new GPG.Key[key_ids.length];
- string encr;
- try {
- for (int i = 0; i < key_ids.length; i++) {
- keys[i] = GPGHelper.get_public_key(key_ids[i]);
- }
- 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_decrypt(string enc) {
- string armor = "-----BEGIN PGP MESSAGE-----\n\n" + enc + "\n-----END PGP MESSAGE-----";
- string? decr = null;
- try {
- decr = GPGHelper.decrypt(armor);
- } catch (Error e) { }
- return decr;
- }
-
- private static string? gpg_verify(string sig, string signed_text) {
- string armor = "-----BEGIN PGP MESSAGE-----\n\n" + sig + "\n-----END PGP MESSAGE-----";
- string? sign_key = null;
- try {
- sign_key = GPGHelper.get_sign_key(armor, signed_text);
- } catch (Error e) { }
- return sign_key;
- }
-
- private static string? gpg_sign(string str) {
- string signed;
- try {
- signed = GPGHelper.sign(str, GPG.SigMode.CLEAR);
- } 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 : Message.MessageFlag {
- public const string id = "pgp";
-
- public bool decrypted = false;
-
- public static MessageFlag? get_flag(Message.Stanza message) {
- return (MessageFlag) message.get_flag(NS_URI, id);
- }
-
- public override string get_ns() { return NS_URI; }
- public override string get_id() { return id; }
- }
-}
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