[ADD] Bare JIDs, use room nicks

XEPS-TBD.TXT

@@ -1,20 +1,26 @@
 XEPs current supported are in src/XMPPThread.c, at the IQ disco advertising.
 
-For future XEPs:
+Somewhat implemented XEPs:
     ~ https://xmpp.org/extensions/xep-0444.html
         This allows reactions, which Matrix also has support to. The two 
         systems don't seem *too* restrictive on one-another (unlike some 
-        IM platforms I won't mention), so this doesn't sound too bad.
-                                HALF-IMPLEMENTED
+        IM platforms I won't mention), so this doesn't sound too bad to do
+                HALF-IMPLEMENTED: Removing stickers won't work.
+
+For future XEPs:
 
     - https://xmpp.org/extensions/xep-0118.html
         Informations on what a user is listening to. Matrix doesn't have 
         good support for status, to be frank. Clients (including KappaChat) 
         should consider having more support for those, rather than it being 
-        stuck as a FluffyChat/Nheko feature.
-        If any client devs hear this, please consider adding these, 
+        stuck as a FluffyChat/Nheko feature for the good of the entire federation.
+        As such, if _any_ client devs hear this, please consider adding these, 
         (especially if you're a smElement employee!)
 
     - https://xmpp.org/extensions/xep-0084.html
         Avatar support would be extremely useful, if just a QoL improvment.
         Matrix and XMPP both have support for these.
+
+    - https://xmpp.org/extensions/xep-0449.html
+        Stickers are great. Matrix and XMPP somewhat has support for them, so
+        might be a nice-to-have, and also to push over XMPP support.

src/AS.c

@@ -326,6 +326,7 @@ ASGetName(const ParseeConfig *c, char *room, char *user)
     HttpClientContext *ctx;
     HashMap *reply;
     char *path, *ret;
+    char *u2 = user;
     if (!c || !user)
     {
         return NULL;
@@ -354,12 +355,37 @@ ASGetName(const ParseeConfig *c, char *room, char *user)
 
         if (!ret)
         {
-            ret = StrDuplicate(user);
+            ret = StrDuplicate(u2);
         }
         return ret;
     }
+    user = HttpUrlEncode(user);
+    room = HttpUrlEncode(room);
+    path = StrConcat(4,
+        "/_matrix/client/v3/rooms/", room,
+        "/state/m.room.member/", user
+    );
+    ctx = ParseeCreateRequest(c, HTTP_GET, path);
+    Free(user);
+    Free(room);
+    ASAuthenticateRequest(c, ctx);
+    HttpRequestSendHeaders(ctx);
+    HttpRequestSend(ctx);
 
-    return NULL;
+    reply = JsonDecode(HttpClientStream(ctx));
+
+    ret = StrDuplicate(
+        JsonValueAsString(HashMapGet(reply, "displayname"))
+    );
+    HttpClientContextFree(ctx);
+    JsonFree(reply);
+    Free(path);
+
+    if (!ret)
+    {
+        ret = StrDuplicate(u2);
+    }
+    return ret;
 }
 char *
 ASUpload(const ParseeConfig *c, Stream *from, unsigned int size)

src/Main.c

@@ -64,6 +64,9 @@ Main(void)
         }
     }
 
+    Log(LOG_NOTICE, "Creating JID table...");
+    ParseeInitialiseJIDTable();
+    
     Log(LOG_NOTICE, "Setting up local Matrix user...");
     ASRegisterUser(parsee_conf, parsee_conf->sender_localpart);
 
@@ -111,5 +114,6 @@ end:
     CronStop(cron);
     CronFree(cron);
     ParseeFreeData(conf.handlerArgs);
+    ParseeDestroyJIDTable();
     return 0;
 }

src/MatrixEventHandler.c

@@ -113,8 +113,8 @@ ParseeMessageHandler(ParseeData *data, HashMap *event)
     jid = ParseeEncodeMXID(sender);
     {
         /* TODO: Check the name's validity */
-        char *name = ASGetName(data->config, NULL, sender);
-        char *rev = StrConcat(3, muc_id, "/", name);
+        char *name = ASGetName(data->config, id, sender);
+        char *rev = StrConcat(4, muc_id, "/", name, "[p]");
         char *stanza = NULL, *sender = NULL;
         char *url = GrabString(event, 2, "content", "url");
         char *unauth = ParseeToUnauth(data, url);

src/Parsee/JIDTable.c

@@ -0,0 +1,71 @@
+#include <Parsee.h>
+
+#include <Cytoplasm/HashMap.h>
+#include <Cytoplasm/Memory.h>
+#include <Cytoplasm/Str.h>
+#include <pthread.h>
+
+static pthread_mutex_t lock;
+static HashMap *jid_table = NULL;
+
+void
+ParseeInitialiseJIDTable(void)
+{
+    if (jid_table)
+    {
+        return;
+    }
+    pthread_mutex_init(&lock, NULL);
+    pthread_mutex_lock(&lock);
+    jid_table = HashMapCreate();
+    pthread_mutex_unlock(&lock);
+}
+void
+ParseePushJIDTable(char *muc, char *bare)
+{
+    if (!muc || !bare || !jid_table)
+    {
+        return;
+    }
+    pthread_mutex_lock(&lock);
+    bare = ParseeTrimJID(bare);
+    Free(HashMapSet(jid_table, muc, bare));
+    pthread_mutex_unlock(&lock);
+}
+char *
+ParseeLookupJID(char *muc)
+{
+    char *bare;
+    if (!muc || !jid_table)
+    {
+        return NULL;
+    }
+    pthread_mutex_lock(&lock);
+    bare = StrDuplicate(HashMapGet(jid_table, muc));
+    pthread_mutex_unlock(&lock);
+
+    if (!bare)
+    {
+        bare = StrDuplicate(muc);
+    }
+    return bare;
+}
+void
+ParseeDestroyJIDTable(void)
+{
+    char *key;
+    void *val;
+    if (!jid_table)
+    {
+        return;
+    }
+    pthread_mutex_lock(&lock);
+    while (HashMapIterate(jid_table, &key, &val))
+    {
+        Free(val);
+    }
+    HashMapFree(jid_table);
+    jid_table = NULL;
+    pthread_mutex_unlock(&lock);
+    pthread_mutex_destroy(&lock);
+}

src/Parsee/User.c

@@ -576,7 +576,6 @@ ParseeGetStanzaInfo(ParseeData *data, char *chat_id, char *ev, char **st, char *
     bool ret = false;
     if (!data || !chat_id || !ev || !st || !se)
     {
-        Log(LOG_INFO, "%p %p %p %p %p", data, chat_id, ev, st, se);
         return false;
     }
 
@@ -584,7 +583,6 @@ ParseeGetStanzaInfo(ParseeData *data, char *chat_id, char *ev, char **st, char *
     j = DbJson(ref);
     if (!ref)
     {
-        Log(LOG_INFO, "LF");
         goto end;
     }
 
@@ -592,7 +590,6 @@ ParseeGetStanzaInfo(ParseeData *data, char *chat_id, char *ev, char **st, char *
     event = JsonValueAsObject(JsonGet(j, 2, "events", ev));
     if (!event)
     {
-        Log(LOG_INFO, "EF %s", ev);
         goto end;
     }
     *st = StrDuplicate(JsonValueAsString(HashMapGet(event, "stanza")));
@@ -618,7 +615,6 @@ ParseeToUnauth(ParseeData *data, char *mxc)
     url = UriParse(mxc);
     if (!url)
     {
-        Log(LOG_ERR, "cant parse %s", mxc);
         return NULL;
     }
     if (!StrEquals(url->proto, "mxc"))

src/XMPPThread.c

@@ -42,7 +42,7 @@ MessageStanza(ParseeData *args, XMLElement *stanza)
     XMLElement *body = NULL;
     XMLElement *data = NULL;
 
-    char *to, *room, *from, *from_matrix;
+    char *to, *room, *from, *from_matrix, *decode_from;
     char *chat_id, *mroom_id;
     size_t i;
     body = XMLookForUnique(stanza, "body");
@@ -54,7 +54,8 @@ MessageStanza(ParseeData *args, XMLElement *stanza)
 
     to = ParseeDecodeMXID(HashMapGet(stanza->attrs, "to"));
     from = HashMapGet(stanza->attrs, "from");
-    from_matrix = ParseeEncodeJID(args->config, from, true);
+    decode_from = ParseeLookupJID(from);
+    from_matrix = ParseeEncodeJID(args->config, decode_from, true);
     room = ParseeFindDMRoom(args, to, from);
     data = ArrayGet(body->children, 0);
 
@@ -68,7 +69,7 @@ MessageStanza(ParseeData *args, XMLElement *stanza)
     if (mroom_id && !XMPPIsParseeStanza(stanza))
     {
         char *res = ParseeGetResource(from);
-        char *encoded   = ParseeEncodeJID(args->config, from, false);
+        char *encoded   = ParseeEncodeJID(args->config, decode_from, false);
         char *s_id_str  = XMPPGetStanzaID(stanza);
         char *o_id_str  = XMPPGetOriginID(stanza);
         char *id_str    = HashMapGet(stanza->attrs, "id");
@@ -167,6 +168,7 @@ MessageStanza(ParseeData *args, XMLElement *stanza)
     Free(chat_id);
     Free(mroom_id);
     Free(from_matrix);
+    Free(decode_from);
     Free(room);
     Free(to);
 
@@ -254,6 +256,29 @@ IQStanza(ParseeData *args, XMLElement *stanza)
 #undef OnType
 }
 
+static void
+PresenceStanza(ParseeData *args, XMLElement *stanza)
+{
+#define MUC_USER_NS "http://jabber.org/protocol/muc#user"
+    XMLElement *user_info;
+    if ((user_info = XMLookForTKV(stanza, "x", "xmlns", MUC_USER_NS)))
+    {
+        XMLElement *item = XMLookForUnique(user_info, "item");
+        char *jid = item ? HashMapGet(item->attrs, "jid") : NULL;
+        char *oid = HashMapGet(stanza->attrs, "from");
+
+        if (jid)
+        {
+            ParseePushJIDTable(oid, jid);
+        }
+        /* TODO: Make proper mapping in some sort of soft-DB.
+         * I am saying soft-DB, because this does not need to be 
+         * stored inside the actual database, as we retrieve it at 
+         * startup everytime from the service anyways. */
+    }
+#undef MUC_USER_NS
+}
+
 void *
 ParseeXMPPThread(void *argp)
 {
@@ -274,6 +299,7 @@ ParseeXMPPThread(void *argp)
         if (StrEquals(stanza->name, "presence"))
         {
             /* TODO: Manage presence */
+            PresenceStanza(args, stanza);
             XMLFreeElement(stanza);
             continue;
         }

src/include/Parsee.h

@@ -173,5 +173,11 @@ extern char * ParseeXMPPify(HashMap *event);
 extern char * ParseeEventFromID(ParseeData *d, char *c_id, char *ori_id);
 extern char * ParseeEventFromSID(ParseeData *d, char *c_id, char *ori_id);
 
+/* Gets a Parsee "shim" link to an MXC, usable as unauth for a limited time */
 extern char * ParseeToUnauth(ParseeData *data, char *mxc);
+
+extern void ParseeInitialiseJIDTable(void);
+extern void ParseePushJIDTable(char *muc, char *bare);
+extern char *ParseeLookupJID(char *muc);
+extern void ParseeDestroyJIDTable(void);
 #endif