From a3e2ed7614778009d0bfc400bd6d5e2d97e734a1 Mon Sep 17 00:00:00 2001
From: Jesusalva Jesusalva <jesusalva@themanaworld.org>
Date: Sat, 27 May 2023 19:30:57 +0000
Subject: Harden logmaster and fix `@discord`

Not extensively tested.
---
 logmaster.py             | 47 ++++++++++++++++++-----------------------------
 npc/commands/discord.txt | 10 +++++-----
 2 files changed, 23 insertions(+), 34 deletions(-)

diff --git a/logmaster.py b/logmaster.py
index 90d149ab0..5ace6c55e 100755
--- a/logmaster.py
+++ b/logmaster.py
@@ -24,7 +24,8 @@ import mysql.connector, signal, sys, threading, time, traceback
 ## Default values
 HOST="127.0.0.1"; PORT=0; USER=""; PASS=""; DBXT=""; db=None;
 sqli = []; running=True
-SQL_PINGTIME=300.0; SQL_FLUSH=1.0
+SQL_PINGTIME=300.0; SQL_FLUSH=1.0 # <- Constants, can be tweaked
+PINGED = 0.0 # <- Not a constant, Do not edit
 
 ## Warnings
 ERR=0
@@ -83,13 +84,19 @@ def connect():
           port=str(PORT),
           user=USER,
           passwd=PASS,
-          database=DBXT
+          database=DBXT,
+          buffered=True
         )
     return
 
 ## Function to keep a database alive
 def keep_alive():
-    global db
+    global db, PINGED, SQL_FLUSH, SQL_PINGTIME
+    PINGED += SQL_FLUSH
+    if PINGED < SQL_PINGTIME:
+        return
+    ## We should send a ping now
+    PINGED = 0.0
     try:
         db.ping(reconnect=True, attempts=10, delay=1)
     except:
@@ -98,30 +105,6 @@ def keep_alive():
         db.reconnect(attempts=12, delay=10)
     return
 
-## Start keep_alive in a thread and keep it running
-def keep_alive_runner():
-    global db
-    sqlt_db1=threading.Thread(target=keep_alive, daemon=True)
-    sqlt_db1.start()
-    ####################################################
-    ## Run forever
-    time.sleep(0.05)
-    stall=0.05
-    while sqlt_db1.is_alive():
-        stdout("keep_alive: Waiting for ping")
-        time.sleep(2.0)
-        stall+=2.0
-        ## Rebuild connection if the stall time exceeds the ping time
-        if stall > SQL_PINGTIME:
-            if sqlt_db1.is_alive():
-                stdout("keep_alive: DBXT Connection Restarted", WRN)
-                connect()
-            break
-    sql_keep_alive=threading.Timer(max(1.0, SQL_PINGTIME-stall), keep_alive_runner)
-    sql_keep_alive.daemon=True
-    sql_keep_alive.start()
-    return
-
 ## Read stdin for as long as possible
 def run_forever():
     global sqli, running
@@ -151,10 +134,9 @@ def EXIT_NOW(sn, frame):
 #signal.signal(signal.SIGTERM, EXIT_NOW)
 signal.signal(signal.SIGABRT, EXIT_NOW)
 
-## Create the SQL connection and keep it alive
+## Create the SQL connection
 time.sleep(1.0)
 connect()
-keep_alive_runner()
 
 ## Watch for stdin
 runner=threading.Thread(target=run_forever, daemon=True)
@@ -165,6 +147,7 @@ stdout("Logmaster started", WRN)
 bf=""
 while running:
     try:
+        w = None
         ## We have stuff to push
         if len(sqli) > 0:
             w = db.cursor()
@@ -216,10 +199,16 @@ while running:
         break
     except:
         traceback.print_exc()
+        try:
+            if "close" in dir(w):
+                w.close()
+        except:
+            pass
 
     ## No need to flush ALL the time
     if running:
         time.sleep(SQL_FLUSH)
+        keep_alive()
 
 db.close()
 stdout("Logmaster finished.")
diff --git a/npc/commands/discord.txt b/npc/commands/discord.txt
index a5773af77..8ceb09e3f 100644
--- a/npc/commands/discord.txt
+++ b/npc/commands/discord.txt
@@ -78,9 +78,9 @@ OnCall:
                 input .@discord$;
                 if (.@discord$ == "") close;
                 if (strtolower(.@discord$) == "username#0000") { break; }
-                .@i = explode(.@d$, .@discord$, "#");
-                if (.@i != 2) { mesc l("Invalid Discord ID."); next; break; }
-                if (getstrlen(.@d$[1]) != 4) { mesc l("Invalid Discord ID."); next; break; }
+                //.@i = explode(.@d$, .@discord$, "#");
+                //if (.@i != 2) { mesc l("Invalid Discord ID."); next; break; }
+                //if (getstrlen(.@d$[1]) != 4) { mesc l("Invalid Discord ID."); next; break; }
                 mes "";
                 clear;
                 mesc l("Linking the following Discord account:");
@@ -93,7 +93,7 @@ OnCall:
                     if ($@HAS_API) {
                         apiasync("SQL", sprintf("UPDATE `discord` SET `discord_name` = '?1', `verified` = '0', `discord_id` = '?2' WHERE `account_id`='%d'", getcharid(3)));
                         apiasync("SAD1", .@discord$);
-                        apiasync("DISCORDID2", .@discord$);
+                        apiasync("DISCORDID", .@discord$);
                         apiasync("SQLRUN", "");
                     } else {
                         query_sql(sprintf("UPDATE `discord` SET `discord_name` = '%s', `verified` = '0', `discord_id` = '' WHERE `account_id`='%d'",
@@ -103,7 +103,7 @@ OnCall:
                     if ($@HAS_API) {
                         apiasync("SQL", sprintf("INSERT INTO `discord` (`discord_name`, `verified`, `discord_id`, `account_id`) VALUES ('?1', '0', '?2', '%d')", getcharid(3)));
                         apiasync("SAD1", .@discord$);
-                        apiasync("DISCORDID2", .@discord$);
+                        apiasync("DISCORDID", .@discord$);
                         apiasync("SQLRUN", "");
                     } else {
                         query_sql(sprintf("INSERT INTO `discord` (`discord_name`, `verified`, `discord_id`, `account_id`) VALUES ('%s', '0', '', '%d')",
-- 
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