From 06f300a42c4c627b6f1817bd48d92f083ffd9883 Mon Sep 17 00:00:00 2001
From: Michael Vetter <jubalh@iodoru.org>
Date: Fri, 18 Oct 2019 14:50:25 +0200
Subject: Move message sent by us logic in own function

---
 src/xmpp/message.c | 16 ++++++++++++++++
 src/xmpp/message.h |  1 +
 2 files changed, 17 insertions(+)

(limited to 'src/xmpp')

diff --git a/src/xmpp/message.c b/src/xmpp/message.c
index 84c85471..78364ca2 100644
--- a/src/xmpp/message.c
+++ b/src/xmpp/message.c
@@ -1158,3 +1158,19 @@ _send_message_stanza(xmpp_stanza_t *const stanza)
     }
     xmpp_free(connection_get_ctx(), text);
 }
+
+bool message_is_sent_by_us(ProfMessage *message) {
+    // we check the </origin-id> for this we calculate a hash into it so we can detect
+    // whether this client sent it. See connection_create_stanza_id()
+    if (message->id != NULL) {
+        gsize tmp_len;
+        char *tmp = (char*)g_base64_decode(message->id, &tmp_len);
+
+        // our client sents at least 10 for the identifier + random message bytes
+        if ((tmp_len > 10) || (g_strcmp0(&tmp[10], connection_get_profanity_identifier()) == 0)) {
+            return TRUE;
+        }
+    }
+
+    return  FALSE;
+}
diff --git a/src/xmpp/message.h b/src/xmpp/message.h
index badfba72..154fff49 100644
--- a/src/xmpp/message.h
+++ b/src/xmpp/message.h
@@ -67,5 +67,6 @@ void message_free(ProfMessage *message);
 void message_handlers_init(void);
 void message_handlers_clear(void);
 void message_pubsub_event_handler_add(const char *const node, ProfMessageCallback func, ProfMessageFreeCallback free_func, void *userdata);
+bool message_is_sent_by_us(ProfMessage *message);
 
 #endif
-- 
cgit 1.4.1-2-gfad0