From ad1901017f1578073a6df22fc22f53793be7902d Mon Sep 17 00:00:00 2001
From: lda <lda@freetards.xyz>
Date: Wed, 29 Nov 2023 21:21:41 +0100
Subject: [PATCH] [MOD] Delete id relation when DELETE is requested.

---
 src/Routes/RouteAliasDirectory.c | 30 +++++++++++++++++++++++++++---
 1 file changed, 27 insertions(+), 3 deletions(-)

diff --git a/src/Routes/RouteAliasDirectory.c b/src/Routes/RouteAliasDirectory.c
index 19e760a..620f7ca 100644
--- a/src/Routes/RouteAliasDirectory.c
+++ b/src/Routes/RouteAliasDirectory.c
@@ -190,22 +190,46 @@ ROUTE_IMPL(RouteAliasDirectory, path, argp)
             }
             else
             {
-                if (!JsonGet(aliases, 2, "alias", alias))
+                HashMap *roomAlias;
+                char *id;
+
+                if (!(val = JsonGet(aliases, 2, "alias", alias)))
                 {
                     HttpResponseStatus(args->context, HTTP_NOT_FOUND);
                     response = MatrixErrorCreate(M_NOT_FOUND, "Room alias not found.");
                     goto finish;
                 }
+                roomAlias = JsonValueAsObject(val);
+                id = StrDuplicate(JsonValueAsString(HashMapGet(roomAlias, "id")));
+                Log(LOG_INFO, "id: %s", id);
 
-                if (!(UserGetPrivileges(user) & USER_ALIAS) && !StrEquals(UserGetName(user), JsonValueAsString(JsonGet(aliases, 3, "alias", alias, "createdBy"))))
+                if (!(UserGetPrivileges(user) & USER_ALIAS) && !StrEquals(UserGetName(user), JsonValueAsString(JsonGet(roomAlias, 1, "createdBy"))))
                 {
                     HttpResponseStatus(args->context, HTTP_UNAUTHORIZED);
                     response = MatrixErrorCreate(M_UNAUTHORIZED, NULL);
+                    Free(id);
                     goto finish;
                 }
 
                 JsonValueFree(HashMapDelete(JsonValueAsObject(HashMapGet(aliases, "alias")), alias));
-                /* TODO: Delete from "id" objects when putting aliases. */
+
+                idObject = JsonValueAsObject(JsonGet(aliases, 2, "id", id));
+                if (idObject)
+                {
+                    size_t i;
+                    val = HashMapGet(idObject, "aliases");
+                    arr = JsonValueAsArray(val);
+                    for (i = 0; i < ArraySize(arr); i++)
+                    {
+                        if (StrEquals(JsonValueAsString(ArrayGet(arr, i)), alias))
+                        {
+                            JsonValueFree(ArrayDelete(arr, i));
+                            break;
+                        }
+                    }
+                }
+                Free(id);
+
             }
             response = HashMapCreate();