[ADD/WIP] Added more events at init-time

src/Room.c

@@ -43,6 +43,7 @@
 #include <CanonicalJson.h>
 #include <Parser.h>
 #include <State.h>
+#include <Event.h>
 
 #include <stdlib.h>
 #include <string.h>
@@ -85,6 +86,11 @@ RoomCreate(Db * db, User *user, RoomCreateRequest * req, ServerPart s)
     char *version_string, *full_creator;
     int version_num = 1;
     HashMap *json;
+    HashMap *event, *content;
+    CommonID sender;
+    char *sender_str, *key;
+    JsonValue *val;
+    HashMap *override;
     if (!db || !req || !user)
     {
         return NULL;
@@ -113,58 +119,71 @@ RoomCreate(Db * db, User *user, RoomCreateRequest * req, ServerPart s)
     JsonSet(json, JsonValueString(full_creator), 1, "creator");
     Free(full_creator);
 
+    sender.sigil = '@';
+    sender.local = UserGetName(user);
+    sender.server = s;
+    sender_str = ParserRecomposeCommonID(sender);
+
+    /* m.room.create */
+    content = HashMapCreate();
+    if (room->version <= 10)
     {
-        HashMap *event = HashMapCreate();
-        HashMap *content = HashMapCreate();
+        JsonSet(content, JsonValueString(sender_str), 1, "creator");
+    }
+    event = RoomEventCreate(sender_str, "m.room.create", "", content);
+    JsonFree(RoomEventSend(room, event));
+    JsonFree(event);
 
-        CommonID sender;
-        char *sender_str;
+    /* m.room.member */
+    content = HashMapCreate();
+    JsonSet(content, JsonValueString("join"), 1, "membership");
+    event = RoomEventCreate(sender_str, "m.room.member", sender_str, content);
+    JsonFree(RoomEventSend(room, event));
+    JsonFree(event);
 
-        sender.sigil = '@';
-        sender.local = UserGetName(user);
-        sender.server = s;
-        sender_str = ParserRecomposeCommonID(sender);
-
-        JsonSet(event, JsonValueString(sender_str), 1, "sender");
-        if (room->version <= 10)
+    /* m.room.power_levels */
+    content = HashMapCreate();
+    JsonSet(
+            content,
+            JsonValueInteger(100), 
+            2, "users", sender_str);
+    override = req->power_level_content_override;
+    while (override && HashMapIterate(override, &key, (void **) &val))
+    {
+        JsonValue *main = HashMapGet(content, key);
+        if (main)
         {
-            JsonSet(content, JsonValueString(sender_str), 1, "creator");
+            HashMapDelete(content, key);
+            JsonValueFree(main);
         }
-        Free(sender_str);
-        JsonSet(event, JsonValueString("m.room.create"), 1, "type");
-        JsonSet(event, JsonValueString(""), 1, "state_key");
+        HashMapSet(content, key, JsonValueDuplicate(val));
+    }
+    event = RoomEventCreate(sender_str, "m.room.power_levels", "", content);
+    JsonFree(RoomEventSend(room, event));
+    JsonFree(event);
 
-        JsonSet(event, JsonValueObject(content), 1, "content");
+    /* TODO: Events set by the preset */
+    /* TODO: Events in initial_state */
+    if (req->name)
+    {
+        content = HashMapCreate();
+        JsonSet(content, JsonValueString(req->name), 1, "name");
+        event = RoomEventCreate(sender_str, "m.room.name", "", content);
         JsonFree(RoomEventSend(room, event));
         JsonFree(event);
     }
+    if (req->topic)
     {
-        HashMap *event = HashMapCreate();
-        HashMap *content = HashMapCreate();
-        
-        CommonID sender;
-        char *sender_str;
-
-        sender.sigil = '@';
-        sender.local = UserGetName(user);
-        sender.server = s;
-        sender_str = ParserRecomposeCommonID(sender);
-
-        JsonSet(event, JsonValueString(sender_str), 1, "sender");
-
-        JsonSet(content, JsonValueString("join"), 1, "membership");
-
-        JsonSet(event, JsonValueString("m.room.member"), 1, "type");
-        JsonSet(event, JsonValueString(sender_str), 1, "state_key");
-        Free(sender_str);
-
-        JsonSet(event, JsonValueObject(content), 1, "content");
+        content = HashMapCreate();
+        JsonSet(content, JsonValueString(req->topic), 1, "topic");
+        event = RoomEventCreate(sender_str, "m.room.topic", "", content);
         JsonFree(RoomEventSend(room, event));
         JsonFree(event);
     }
     /* TODO: The rest of the events mandated by the specification on 
-     * POST /createRoom. Also clean up that code, so that it is more 
-     * straightforward(and short). */
+     * POST /createRoom. */
+
+    Free(sender_str);
     return room;
 }
 
@@ -377,7 +396,7 @@ RoomMinPL(Room * room, HashMap *state, char *type, char *act)
     HashMap *pl = NULL;
     JsonValue *val;
     char *id_pl;
-    int64_t ret, def;
+    int64_t ret = 0, def = 0;
     if (!room || !state || !act)
     {
         return 0;
@@ -415,7 +434,7 @@ RoomUserPL(Room * room, HashMap *state, char *user)
 {
     HashMap *pl = NULL;
     char *id_pl;
-    int64_t ret, def;
+    int64_t ret = 0, def = 0;
 
     if (!room || !state || !user)
     {
@@ -1024,6 +1043,7 @@ AuthorisePowerLevelsV1(Room * room, PduV1 pdu, HashMap *state)
         {
             CommonIDFree(as_cid);
             flag = false;
+            continue;
         }
 
         /* Verify powerlevels.
@@ -1032,7 +1052,10 @@ AuthorisePowerLevelsV1(Room * room, PduV1 pdu, HashMap *state)
         if (ParsePL(power_level, INT64_MAX) == INT64_MAX)
         {
             flag = false;
+            CommonIDFree(as_cid);
+            continue;
         }
+        CommonIDFree(as_cid);
     }
 
     /* HashMapIterate does not support breaking, so we just set a
@@ -1059,10 +1082,11 @@ AuthorisePowerLevelsV1(Room * room, PduV1 pdu, HashMap *state)
                                     JsonGet(prev_plevent, 2, "content", prop);\
                                 JsonValue *new = \
                                     JsonGet(pdu.content, 1, prop); \
-                                int64_t oldv, newv; \
+                                int64_t oldv = 0, newv = 0; \
+                                oldv = JsonValueAsInteger(old); \
+                                newv = JsonValueAsInteger(new); \
                                 if ((old && !new) || (!old && new) || \
-                                    ((oldv = JsonValueAsInteger(old)) != \
-                                    (newv = JsonValueAsInteger(new)))) \
+                                    (oldv != newv)) \
                                 { \
                                     if (old && (oldv > userpl)) \
                                     { \
@@ -1243,7 +1267,7 @@ RoomAuthoriseEventV1(Room * room, PduV1 pdu, HashMap *state)
         return false;
     }
 
-    /* Step 9: If the event has a state_key that starts with an @ and does 
+    /* Step (9): If the event has a state_key that starts with an @ and does 
      * not match the sender, reject. */
     if (pdu.state_key && *pdu.state_key == '@')
     {
@@ -1286,8 +1310,8 @@ RoomAuthoriseEventV1(Room * room, PduV1 pdu, HashMap *state)
     /* Step 12: Otherwise, allow. */ 
     return true;
 }
-static char *
-RoomHashEvent(HashMap * pdu_json)
+char *
+EventContentHash(HashMap * pdu_json)
 {
     HashMap * copy = JsonDuplicate(pdu_json);
     char *hash;
@@ -1303,7 +1327,7 @@ static char *
 RoomHashEventV1(PduV1 pdu)
 {
     HashMap *json = PduV1ToJson(&pdu);
-    char *sha = RoomHashEvent(json);
+    char *sha = EventContentHash(json);
 
     JsonFree(json);
     return sha;
@@ -1617,3 +1641,23 @@ RoomAddEventV1(Room *room, PduV1 pdu)
 
     return true;
 }
+HashMap *
+RoomEventCreate(char *sender, char *type, char *key, HashMap *c)
+{
+    HashMap *event;
+    if (!sender || !type || !c)
+    {
+        return NULL;
+    }
+
+    event = HashMapCreate();
+    JsonSet(event, JsonValueObject(c), 1, "content");
+    JsonSet(event, JsonValueString(sender), 1, "sender");
+    JsonSet(event, JsonValueString(type), 1, "type");
+    if (key)
+    {
+        JsonSet(event, JsonValueString(key), 1, "state_key");
+    }
+
+    return event;
+}

src/Routes/RouteCreateRoom.c

@@ -40,7 +40,7 @@ ROUTE_IMPL(RouteCreateRoom, path, argp)
     HashMap *response;
     Room *room = NULL;
     Db *db = args->matrixArgs->db;
-    RoomCreateRequest parsed;
+    RoomCreateRequest parsed = { 0 };
     User *user = NULL;
     Config cfg;
     ServerPart server;
@@ -112,5 +112,6 @@ finish:
     UserUnlock(user);
     ConfigUnlock(&cfg);
     ServerPartFree(server);
+    RoomCreateRequestFree(&parsed);
     return response;
 }

src/State.c

@@ -81,7 +81,7 @@ StateResolveV1(Room * room, Array * states)
 {
     HashMap *R = HashMapCreate();
     HashMap *conflicts = HashMapCreate();
-    Array *events, *types, *conflicting;
+    Array *events = NULL, *types = NULL, *conflicting = NULL;
     size_t i;
     ssize_t j;
 

src/include/Room.h

@@ -164,4 +164,10 @@ extern ServerPart RoomGetCreator(Room *);
  */
 extern bool RoomAddEventV1(Room *, PduV1);
 
+/**
+ * Creates a barebones JSON object to be sent to
+ * .Fn RoomEventFetch .
+ */
+extern HashMap * RoomEventCreate(char *, char *, char *, HashMap *);
+
 #endif /* TELODENDRIA_ROOM_H */