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Diffstat (limited to 'src/xmpp/ox.c')
| -rw-r--r-- | src/xmpp/ox.c | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/src/xmpp/ox.c b/src/xmpp/ox.c new file mode 100644 index 00000000..c1901085 --- /dev/null +++ b/src/xmpp/ox.c @@ -0,0 +1,218 @@ +/* + * ox.c + * vim: expandtab:ts=4:sts=4:sw=4 + * + * Copyright (C) 2020 Stefan Kropp <stefan@debxwoody.de> + * + * This file is part of Profanity. + * + * Profanity is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * Profanity is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with Profanity. If not, see <https://www.gnu.org/licenses/>. + * + * In addition, as a special exception, the copyright holders give permission to + * link the code of portions of this program with the OpenSSL library under + * certain conditions as described in each individual source file, and + * distribute linked combinations including the two. + * + * You must obey the GNU General Public License in all respects for all of the + * code used other than OpenSSL. If you modify file(s) with this exception, you + * may extend this exception to your version of the file(s), but you are not + * obligated to do so. If you do not wish to do so, delete this exception + * statement from your version. If you delete this exception statement from all + * source files in the program, then also delete it here. + * + */ + +#include <glib.h> +#include <assert.h> + +#include "log.h" +#include "ui/ui.h" +#include "xmpp/connection.h" +#include "xmpp/stanza.h" +#include "pgp/gpg.h" + + +static void _ox_metadata_node__public_key(const char* const fingerprint); + +/*! + * \brief Current Date and Time. + * + * XEP-0082: XMPP Date and Time Profiles + * https://xmpp.org/extensions/xep-0082.html + * + * \return YYYY-MM-DDThh:mm:ssZ + * + */ + +static char* _gettimestamp(); + +/*! + * +<pre> +<iq type='set' from='juliet@example.org/balcony' id='publish1'> + <pubsub xmlns='http://jabber.org/protocol/pubsub'> + <publish node='urn:xmpp:openpgp:0:public-keys:1357B01865B2503C18453D208CAC2A9678548E35'> + <item id='2020-01-21T10:46:21Z'> + <pubkey xmlns='urn:xmpp:openpgp:0'> + <data> + BASE64_OPENPGP_PUBLIC_KEY + </data> + </pubkey> + </item> + </publish> + </pubsub> +</iq> +</pre> + * + */ + +gboolean +ox_announce_public_key(const char* const filename) { + assert(filename); + + cons_show("Annonuce OpenPGP Key for OX %s ...", filename); + log_info("Annonuce OpenPGP Key of OX: %s", filename); + + // key the key and the fingerprint via GnuPG from file + char* key = NULL; + char* fp = NULL; + p_ox_gpg_readkey(filename, &key, &fp); + + if( !(key && fp) ) { + cons_show("Error during OpenPGP OX announce. See log file for more information"); + return FALSE; + } else { + log_info("Annonuce OpenPGP Key for Fingerprint: %s", fp); + xmpp_ctx_t * const ctx = connection_get_ctx(); + char *id = xmpp_uuid_gen(ctx); + xmpp_stanza_t* iq = xmpp_iq_new(ctx, STANZA_TYPE_SET, id); + xmpp_stanza_set_from(iq, xmpp_conn_get_jid(connection_get_conn())); + + xmpp_stanza_t* pubsub = xmpp_stanza_new(ctx); + xmpp_stanza_set_name(pubsub, STANZA_NAME_PUBSUB); + xmpp_stanza_set_ns(pubsub, XMPP_FEATURE_PUBSUB); + + GString* node_name = g_string_new(STANZA_NS_OPENPGP_0_PUBLIC_KEYS); + g_string_append(node_name, ":"); + g_string_append(node_name, fp); + + xmpp_stanza_t* publish = xmpp_stanza_new(ctx); + xmpp_stanza_set_name(publish, STANZA_NAME_PUBLISH); + xmpp_stanza_set_attribute(publish, STANZA_ATTR_NODE, node_name->str) ; + + xmpp_stanza_t* item = xmpp_stanza_new(ctx); + xmpp_stanza_set_name(item, STANZA_NAME_ITEM); + xmpp_stanza_set_attribute(item, STANZA_ATTR_ID, _gettimestamp()) ; + + xmpp_stanza_t* pubkey = xmpp_stanza_new(ctx); + xmpp_stanza_set_name(pubkey, STANZA_NAME_PUPKEY); + xmpp_stanza_set_ns(pubkey, STANZA_NS_OPENPGP_0); + + xmpp_stanza_t* data = xmpp_stanza_new(ctx); + xmpp_stanza_set_name(data, STANZA_NAME_DATA); + xmpp_stanza_t* keydata = xmpp_stanza_new(ctx); + xmpp_stanza_set_text(keydata,key); + + + xmpp_stanza_add_child(data, keydata); + xmpp_stanza_add_child(pubkey, data); + xmpp_stanza_add_child(item, pubkey); + xmpp_stanza_add_child(publish, item); + xmpp_stanza_add_child(pubsub, publish); + xmpp_stanza_add_child(iq, pubsub); + xmpp_send (connection_get_conn(), iq); + + _ox_metadata_node__public_key(fp); + + } + return TRUE; +} + +/*! + * + * + * +<pre> +<iq type='set' from='juliet@example.org/balcony' id='publish1'> + <pubsub xmlns='http://jabber.org/protocol/pubsub'> + <publish node='urn:xmpp:openpgp:0:public-keys'> + <item> + <public-keys-list xmlns='urn:xmpp:openpgp:0'> + <pubkey-metadata + v4-fingerprint='1357B01865B2503C18453D208CAC2A9678548E35' + date='2018-03-01T15:26:12Z' + /> + <pubkey-metadata + v4-fingerprint='67819B343B2AB70DED9320872C6464AF2A8E4C02' + date='1953-05-16T12:00:00Z' + /> + </public-keys-list> + </item> + </publish> + </pubsub> +</iq> +</pre> + * + */ + +void +_ox_metadata_node__public_key(const char* const fingerprint) { + log_info("Annonuce OpenPGP metadata: %s", fingerprint); + assert(fingerprint); + assert(strlen(fingerprint) == 40); + // iq + xmpp_ctx_t * const ctx = connection_get_ctx(); + char *id = xmpp_uuid_gen(ctx); + xmpp_stanza_t* iq = xmpp_iq_new(ctx, STANZA_TYPE_SET, id); + xmpp_stanza_set_from(iq, xmpp_conn_get_jid(connection_get_conn())); + // pubsub + xmpp_stanza_t* pubsub = xmpp_stanza_new(ctx); + xmpp_stanza_set_name(pubsub, STANZA_NAME_PUBSUB); + xmpp_stanza_set_ns(pubsub, XMPP_FEATURE_PUBSUB); + // publish + xmpp_stanza_t* publish = xmpp_stanza_new(ctx); + xmpp_stanza_set_name(publish, STANZA_NAME_PUBLISH); + xmpp_stanza_set_attribute(publish, STANZA_ATTR_NODE, STANZA_NS_OPENPGP_0_PUBLIC_KEYS) ; + // item + xmpp_stanza_t* item = xmpp_stanza_new(ctx); + xmpp_stanza_set_name(item, STANZA_NAME_ITEM); + // public-keys-list + xmpp_stanza_t* publickeyslist = xmpp_stanza_new(ctx); + xmpp_stanza_set_name(publickeyslist, STANZA_NAME_PUBLIC_KEYS_LIST); + xmpp_stanza_set_ns(publickeyslist, STANZA_NS_OPENPGP_0); + // pubkey-metadata + xmpp_stanza_t* pubkeymetadata = xmpp_stanza_new(ctx); + xmpp_stanza_set_name(pubkeymetadata, STANZA_NAME_PUBKEY_METADATA); + xmpp_stanza_set_attribute(pubkeymetadata, STANZA_ATTR_V4_FINGERPRINT, fingerprint); + xmpp_stanza_set_attribute(pubkeymetadata, STANZA_ATTR_DATE, _gettimestamp()); + + xmpp_stanza_add_child(publickeyslist,pubkeymetadata ); + xmpp_stanza_add_child(item, publickeyslist ); + xmpp_stanza_add_child(publish,item ); + xmpp_stanza_add_child(pubsub, publish); + xmpp_stanza_add_child(iq, pubsub); + xmpp_send (connection_get_conn(), iq); +} + +// Date and Time (XEP-0082) +char* _gettimestamp() { + time_t now = time(NULL); + struct tm* tm = localtime(&now); + char buf[255]; + strftime(buf, sizeof(buf), "%FT%T", tm); + GString* d = g_string_new(buf); + g_string_append(d, "Z"); + return strdup(d->str); +} + |