summaryrefslogtreecommitdiff
path: root/src/map/tmw.cpp
blob: ed001108d16701b49e506d6075b1277b30941af4 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
#include "tmw.hpp"

#include <cctype>
#include <cstring>

#include "../common/cxxstdio.hpp"
#include "../common/nullpo.hpp"

#include "atcommand.hpp"
#include "battle.hpp"
#include "chrif.hpp"
#include "clif.hpp"
#include "intif.hpp"
#include "map.hpp"
#include "pc.hpp"

#include "../poison.hpp"

static
void tmw_AutoBan(dumb_ptr<map_session_data> sd, ZString reason, int length);
static
bool tmw_CheckChatLameness(dumb_ptr<map_session_data> sd, XString message);


int tmw_CheckChatSpam(dumb_ptr<map_session_data> sd, XString message)
{
    nullpo_retr(1, sd);
    TimeT now = TimeT::now();

    if (pc_isGM(sd))
        return 0;

    if (now > sd->chat_reset_due)
    {
        sd->chat_reset_due = static_cast<time_t>(now) + battle_config.chat_spam_threshold;
        sd->chat_lines_in = 0;
    }

    if (now > sd->chat_repeat_reset_due)
    {
        sd->chat_repeat_reset_due =
            static_cast<time_t>(now) + (battle_config.chat_spam_threshold * 60);
        sd->chat_total_repeats = 0;
    }

    sd->chat_lines_in++;

    // Penalty for repeats.
    if (sd->chat_lastmsg.startswith(message) || message.startswith(sd->chat_lastmsg))
    {
        sd->chat_lines_in += battle_config.chat_lame_penalty;
        sd->chat_total_repeats++;
    }
    else
    {
        sd->chat_total_repeats = 0;
    }

    // Penalty for lame, it can stack on top of the repeat penalty.
    if (tmw_CheckChatLameness(sd, message))
        sd->chat_lines_in += battle_config.chat_lame_penalty;

    sd->chat_lastmsg = message;

    if (sd->chat_lines_in >= battle_config.chat_spam_flood
        || sd->chat_total_repeats >= battle_config.chat_spam_flood)
    {
        sd->chat_lines_in = sd->chat_total_repeats = 0;

        tmw_AutoBan(sd, "chat", battle_config.chat_spam_ban);

        return 1;
    }

    if (battle_config.chat_spam_ban &&
        (sd->chat_lines_in >= battle_config.chat_spam_warn
         || sd->chat_total_repeats >= battle_config.chat_spam_warn))
    {
        clif_displaymessage(sd->fd, "WARNING: You are about to be automatically banned for spam!");
        clif_displaymessage(sd->fd, "WARNING: Please slow down, do not repeat, and do not SHOUT!");
    }

    return 0;
}

void tmw_AutoBan(dumb_ptr<map_session_data> sd, ZString reason, int length)
{
    if (length == 0 || sd->auto_ban_info.in_progress)
        return;

    sd->auto_ban_info.in_progress = 1;

    FString hack_msg = STRPRINTF("[GM] %s has been autobanned for %s spam",
            sd->status.name,
            reason);
    tmw_GmHackMsg(hack_msg);

    FString fake_command = STRPRINTF("@autoban %s %dh (%s spam)",
            sd->status.name, length, reason);
    log_atcommand(sd, fake_command);

    FString anotherbuf = STRPRINTF("You have been banned for %s spamming. Please do not spam.",
            reason);

    clif_displaymessage(sd->fd, anotherbuf);
    /* type: 2 - ban(year, month, day, hour, minute, second) */
    HumanTimeDiff ban_len {};
    ban_len.hour = length;
    chrif_char_ask_name(-1, sd->status.name, 2, ban_len);
    clif_setwaitclose(sd->fd);
}

// Returns true if more than 50% of input message is caps or punctuation
bool tmw_CheckChatLameness(dumb_ptr<map_session_data>, XString message)
{
    int lame = 0;

    for (char c : message)
    {
        if (c <= ' ')
            continue;
        if (c > '~')
            continue;
        if ('0' <= c && c <= '9')
            continue;
        if ('a' <= c && c <= 'z')
            continue;
        lame++;
    }

    return message.size() > 7 && lame > message.size() / 2;
}

// Sends a whisper to all GMs
void tmw_GmHackMsg(ZString line)
{
    intif_wis_message_to_gm(wisp_server_name,
            battle_config.hack_info_GM_level,
            line);
}