[MOD/ADD] Separate AS code, XMPP reactions removal

src/AS/Events.c

@@ -0,0 +1,93 @@
+#include <AS.h>
+
+#include <Cytoplasm/Memory.h>
+#include <Cytoplasm/Str.h>
+#include <Cytoplasm/Log.h>
+#include <Cytoplasm/Uri.h>
+
+#include <string.h>
+#include <stdlib.h>
+
+#include <Matrix.h>
+
+HashMap *
+ASFind(const ParseeConfig *c, char *room, char *event)
+{
+    HttpClientContext *ctx = NULL;
+    HashMap *json;
+    char *path, *user;
+    if (!c || !room || !event)
+    {
+        return NULL;
+    }
+
+    user = StrConcat(4, "@", c->sender_localpart, ":", c->server_base);
+    path = StrConcat(7, 
+        "/_matrix/client/v3/rooms/",
+        room, "/event/", event, "?",
+        "user_id=", user
+    );
+
+    ctx = ParseeCreateRequest(c, HTTP_GET, path);
+    Free(path);
+    ASAuthenticateRequest(c, ctx);
+    HttpRequestSendHeaders(ctx);
+    HttpRequestSend(ctx);
+
+    json = JsonDecode(HttpClientStream(ctx));
+        
+    HttpClientContextFree(ctx);
+    Free(user);
+
+    return json;
+}
+
+void
+ASRedact(const ParseeConfig *c, char *room, char *user, char *e_id)
+{
+    HttpClientContext *ctx = NULL;
+    HashMap *request;
+    char *path, *txn;
+    if (!c || !room || !e_id)
+    {
+        return;
+    }
+
+    if (!user)
+    {
+        char *raw = StrConcat(4, 
+            "@", c->sender_localpart, 
+            ":", c->server_base
+        );
+        user = HttpUrlEncode(raw);
+        Free(raw);
+    }
+    else
+    {
+        user = HttpUrlEncode(user);
+    }
+    room = HttpUrlEncode(room);
+    e_id = HttpUrlEncode(e_id);
+    txn = StrRandom(16);
+
+    path = StrConcat(9, 
+        "/_matrix/client/v3/rooms/",
+        room, "/redact/", e_id, "/", txn,
+        "?", "user_id=", user
+    );
+
+    request = HashMapCreate();
+    ctx = ParseeCreateRequest(c, HTTP_PUT, path);
+    Free(path);
+    ASAuthenticateRequest(c, ctx);
+    ParseeSetRequestJSON(ctx, request);
+    JsonFree(request);
+
+    HttpClientContextFree(ctx);
+    Free(user);
+    Free(room);
+    Free(e_id);
+    Free(txn);
+
+    return;
+}