Core: add some missing Player Name normalization on input data

(cherrypicked from 6f9e8b6c9174249025562faf9ad4c56bbb642547)

3 files changed, 15 insertions, 4 deletions

diff --git a/src/server/game/Chat/Chat.cpp b/src/server/game/Chat/Chat.cpp
index ead2eb05498..2e2336f63da 100644
--- a/src/server/game/Chat/Chat.cpp
+++ b/src/server/game/Chat/Chat.cpp
@@ -1146,7 +1146,7 @@ bool ChatHandler::GetPlayerGroupAndGUIDByName(const char* cname, Player*& player
         {
             if (!normalizePlayerName(name))
             {
-                PSendSysMessage(LANG_PLAYER_NOT_FOUND);
+                SendSysMessage(LANG_PLAYER_NOT_FOUND);
                 SetSentErrorMessage(true);
                 return false;
             }
diff --git a/src/server/game/Handlers/CalendarHandler.cpp b/src/server/game/Handlers/CalendarHandler.cpp
index 82dedefb997..cbc8de2b294 100644
--- a/src/server/game/Handlers/CalendarHandler.cpp
+++ b/src/server/game/Handlers/CalendarHandler.cpp
@@ -246,6 +246,9 @@ void WorldSession::HandleCalendarEventInvite(WorldPackets::Calendar::CalendarEve
     uint32 inviteeTeam = 0;
     ObjectGuid::LowType inviteeGuildId = UI64LIT(0);
 
+    if (!normalizePlayerName(calendarEventInvite.Name))
+        return;
+
     if (Player* player = ObjectAccessor::FindConnectedPlayerByName(calendarEventInvite.Name))
     {
         // Invitee is online
diff --git a/src/server/scripts/Commands/cs_ban.cpp b/src/server/scripts/Commands/cs_ban.cpp
index a2320449dcf..11d7002452d 100644
--- a/src/server/scripts/Commands/cs_ban.cpp
+++ b/src/server/scripts/Commands/cs_ban.cpp
@@ -300,16 +300,24 @@ public:
         if (!*args)
             return false;
 
-        Player* target = ObjectAccessor::FindPlayerByName(args);
-        ObjectGuid targetGuid;
         std::string name(args);
+        if (!normalizePlayerName(name))
+        {
+            handler->SendSysMessage(LANG_BANINFO_NOCHARACTER);
+            handler->SetSentErrorMessage(true);
+            return false;
+        }
+
+        Player* target = ObjectAccessor::FindPlayerByName(name);
+        ObjectGuid targetGuid;
 
         if (!target)
         {
             targetGuid = sWorld->GetCharacterGuidByName(name);
             if (targetGuid.IsEmpty())
             {
-                handler->PSendSysMessage(LANG_BANINFO_NOCHARACTER);
+                handler->SendSysMessage(LANG_BANINFO_NOCHARACTER);
+                handler->SetSentErrorMessage(true);
                 return false;
             }
         }