hacky impl of oob

Makefile

@@ -4,10 +4,10 @@ ifdef DEBUG
 endif
 RM=rm -f
 FIND=find
-INCLUDES=-Ilibstrophe $(shell xml2-config --cflags)
+INCLUDES=-Ilibstrophe $(shell xml2-config --cflags) $(shell pkg-config --cflags glib-2.0) $(shell pkg-config --cflags libsignal-protocol-c)
 CFLAGS+=$(DBGCFLAGS) -fno-omit-frame-pointer -fPIC -std=gnu99 -g -Wall -Wextra -Werror-implicit-function-declaration -Wno-missing-field-initializers -D_XOPEN_SOURCE=700 $(INCLUDES)
 LDFLAGS+=$(DBGLDFLAGS) -shared -g $(DBGCFLAGS)
-LDLIBS=-lstrophe -lpthread $(shell xml2-config --libs)
+LDLIBS=-lstrophe -lpthread $(shell xml2-config --libs) $(shell pkg-config --libs glib-2.0) $(shell pkg-config --libs libsignal-protocol-c)
 
 PREFIX ?= /usr/local
 LIBDIR ?= $(PREFIX)/lib
@@ -22,6 +22,7 @@ SRCS=plugin.c \
      connection.c \
      input.c \
      message.c \
+     omemo.c \
      user.c \
 
 DEPS=axc/build/libaxc.a

README.org

@@ -81,6 +81,7 @@
    * [X] Opening PMs (/chat)
 ** TODO [#A] Implement essential functionality (milestone v0.2)
    * [X] Opening PMs with initial message
+   * [X] OOB media messages
    * [ ] [#B] Handle wide errors gracefully
      * [ ] [#B] Event-driven MUC entrance
    * [ ] MUCs

channel.c

@@ -612,6 +612,29 @@ void channel__send_message(struct t_account *account, struct t_channel *channel,
                                                      ? "groupchat" : "chat",
                                                      to, NULL);
     xmpp_message_set_body(message, body);
+
+    char *url = strstr(body, "http");
+    if (url)
+    {
+        struct xmpp_stanza_t *message__x = xmpp_stanza_new(account->context);
+        xmpp_stanza_set_name(message__x, "x");
+        xmpp_stanza_set_ns(message__x, "jabber:x:oob");
+
+        struct xmpp_stanza_t *message__x__url = xmpp_stanza_new(account->context);
+        xmpp_stanza_set_name(message__x__url, "url");
+
+        struct xmpp_stanza_t *message__x__url__text = xmpp_stanza_new(account->context);
+        xmpp_stanza_set_text(message__x__url__text, url);
+        xmpp_stanza_add_child(message__x__url, message__x__url__text);
+        xmpp_stanza_release(message__x__url__text);
+
+        xmpp_stanza_add_child(message__x, message__x__url);
+        xmpp_stanza_release(message__x__url);
+
+        xmpp_stanza_add_child(message, message__x);
+        xmpp_stanza_release(message__x);
+    }
+
     xmpp_send(account->connection, message);
     xmpp_stanza_release(message);
     if (channel->type != CHANNEL_TYPE_MUC)

command.c

@@ -380,9 +380,9 @@ int command__enter(const void *pointer, void *data,
         xmpp_stanza_set_name(pres__x, "x");
         xmpp_stanza_set_ns(pres__x, "http://jabber.org/protocol/muc");
         xmpp_stanza_add_child(pres, pres__x);
+        xmpp_stanza_release(pres__x);
 
         xmpp_send(ptr_account->connection, pres);
-        xmpp_stanza_release(pres__x);
         xmpp_stanza_release(pres);
 
         if (argc > 2)

connection.c

@@ -191,7 +191,8 @@ void connection__handler(xmpp_conn_t *conn, xmpp_conn_event_t status,
     (void)stream_error;
 
     if (status == XMPP_CONN_CONNECT) {
-        xmpp_stanza_t *pres;
+        xmpp_stanza_t *pres, *pres__c;
+        char cap_hash[28+1] = {0};
 
         xmpp_handler_add(conn, version_handler, "jabber:iq:version", "iq", NULL, account);
         xmpp_handler_add(conn, presence_handler, NULL, "presence", NULL, account);
@@ -200,6 +201,17 @@ void connection__handler(xmpp_conn_t *conn, xmpp_conn_event_t status,
         /* Send initial <presence/> so that we appear online to contacts */
         pres = xmpp_presence_new(account->context);
         xmpp_stanza_set_from(pres, account_jid(account));
+
+        pres__c = xmpp_stanza_new(account->context);
+        xmpp_stanza_set_name(pres__c, "c");
+        xmpp_stanza_set_ns(pres__c, "http://jabber.org/protocol/caps");
+        xmpp_stanza_set_attribute(pres__c, "hash", "sha-1");
+        xmpp_stanza_set_attribute(pres__c, "node", "http://weechat.org");
+        snprintf(cap_hash, sizeof(cap_hash), "%027d=", time(NULL));
+        xmpp_stanza_set_attribute(pres__c, "ver", cap_hash);
+        xmpp_stanza_add_child(pres, pres__c);
+        xmpp_stanza_release(pres__c);
+
         xmpp_send(conn, pres);
         xmpp_stanza_release(pres);
     } else {

omemo.c

@@ -0,0 +1,16 @@
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, version 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#include <stdlib.h>
+
+#include "omemo/src/libomemo.h"
+#include "axc/src/axc.h"
+
+#include "omemo.h"
+
+void omemo__init()
+{
+    const char* ns_devicelist = "eu.siacs.conversations.axolotl.devicelist";
+    const char* ft_devicelist = "eu.siacs.conversations.axolotl.devicelist+notify";
+}

omemo.h

@@ -0,0 +1,10 @@
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, version 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#ifndef _WEECHAT_XMPP_OMEMO_H_
+#define _WEECHAT_XMPP_OMEMO_H_
+
+void omemo__init();
+
+#endif /*WEECHAT_XMPP_OMEMO_H*/