-
Notifications
You must be signed in to change notification settings - Fork 0
/
Bot.cpp
476 lines (391 loc) · 14.2 KB
/
Bot.cpp
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
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
#include <iostream>
#include <string>
#include <fstream>
#include <SFML/Network.hpp>
#include <boost/filesystem.hpp>
#include <boost/program_options/options_description.hpp>
#include <boost/program_options/variables_map.hpp>
#include <boost/program_options/parsers.hpp>
#include <boost/program_options/config.hpp>
#include "TcpSocket.hpp"
#include "Bot.hpp"
#include "serverMessageStruct.hpp"
Bot::Bot():
mimic_o(this),
config_file("config/config.txt"),
stay_connected(true)
{ configure(); }
sf::Socket::Status Bot::connectToServer(std::string serverName_t, unsigned short port_t)
{
target_server = serverName_t;
target_port = port_t;
return connectToServer();
}
sf::Socket::Status Bot::connectToServer()
{
return socket.connect(target_server,target_port,max_wait_time);
}
void Bot::registerConnection(std::string connection_password_t, std::string nickname_t, std::string user_t, std::string realname_t, std::string mode_t = "0")
{
connection_password = connection_password_t;
nickname = nickname_t;
user = user_t;
realname = realname_t;
mode = mode_t;
registerConnection();
}
void Bot::registerConnection()
{
send("PASS "+connection_password);
send("NICK "+nickname);
send("USER "+user+" "+mode+" * :"+realname);
}
sf::Socket::Status Bot::send(std::string sendMessage_t)
{
sendMessage = sendMessage_t;
sendMessage.append("\r\n");
return socket.send(sendMessage.c_str(),sendMessage.size());
}
/*
Using A TCPsocket, divides a message based on "\r\n" position.
messages without a "\r\n" at the end are regarded as
partial strings and are saved for recombining.
*/
void Bot::receive()
{
bool isPartialString = false;
socket.receive(text_received.data(),text_received.size(),bytes_rec);
string_received.assign(text_received.begin(),text_received.begin()+bytes_rec);
//Appends one partial strings to another
rn_pos = string_received.find("\r\n");
if(isPartialString && (rn_pos != string_received.npos))
{
temp_string = string_received.substr(0,rn_pos+2);
parsable_strings.emplace_back(partial_string+temp_string);
string_received.erase(0,rn_pos+2);
partial_string.clear();
isPartialString = false;
}
//Split strings on "\r\n" positions and removes characters until there is no "\r\n" left
while((rn_pos = string_received.find("\r\n")) != string_received.npos)
{
temp_string = string_received.substr(0,rn_pos+2);
parsable_strings.emplace_back(temp_string);
string_received.erase(0,rn_pos+2);
}
//If there is no "\r\n" left, but there are charcters still left in the string, it is a partial string
if(!string_received.empty())
{
partial_string.assign(string_received);
string_received.clear();
isPartialString = true;
}
}
void Bot::privmsg(std::string channel_t, std::string sendMessage_t)
{
target_channel = channel_t;
privmsg(sendMessage_t);
}
void Bot::privmsg(std::string sendMessage_t)
{
sendMessage = sendMessage_t;
send("PRIVMSG "+target_channel+" :"+sendMessage);
}
void Bot::join(std::string channel_t)
{
target_channel = channel_t;
join();
}
void Bot::join()
{
send("JOIN "+target_channel);
}
void Bot::part(std::string channel_t, std::string sendMessage_t)
{
channel = channel_t;
sendMessage = sendMessage_t;
send("PART "+channel+" :"+sendMessage);
}
void Bot::part(std::string channel_t)
{
channel = channel_t;
send("PART "+channel);
}
void Bot::quit(std::string sendMessage_t)
{
sendMessage = sendMessage_t;
send("QUIT :"+sendMessage);
}
void Bot::quit()
{
send("QUIT :"+quit_message);
}
void Bot::parseServerMsg()
{
//<-----------prefix-----------> <command> <channel> :<message>
//<nick|servername>!<username>@ <command> <channel> :<message>
//:Dyrand!~Dyrand@unaffiliated/dyrand PRIVMSG #botdever :9
//<nick|servername>!<username>@ <command> :<message>
//:Dyrand!~Dyrand@unaffiliated/dyrand QUIT :Client Closed
//:QKiller!~usandbots@unaffiliated/usandfriends JOIN #botdever
//:sendak.freenode.net 004 Dyramic sendak.freenode.net ircd-seven-1.1.3
//PING :<pong>
//ERROR :Closing Link: 127.0.0.1 (Connection timed out)
//HYPOTHETICALMESSAGE /*no space and no : or !
std::cout << string_received;
rn_pos = string_received.find("\r\n");
if(rn_pos == std::string::npos)
{std::cout << "Receive string does not contain \"\\r\\n\".";}
//Gets the prefix if there is one
if(string_received.front() == ':')
{
s_msg_struct.prefix_end_pos = string_received.find(' ');
if(s_msg_struct.prefix_end_pos != std::string::npos)
{ s_msg_struct.prefix = string_received.substr(1,s_msg_struct.prefix_end_pos); }
else
{ std::cout << "Receive string does not contain a space.\n"; }
}
else
{std::cout << "Receive string does not start with a ':'.\n";}
//Gets the message if there is one
s_msg_struct.msg_start_pos = string_received.find(" :");
if(s_msg_struct.msg_start_pos != std::string::npos)
{ s_msg_struct.msg = string_received.substr(s_msg_struct.msg_start_pos+2,(rn_pos-s_msg_struct.msg_start_pos)-2); }
else
{
std::cout << "Receive string does not contain a message.\n";
//padding for correctly getting the last block of text
string_received.insert(rn_pos," ");
s_msg_struct.msg_start_pos = rn_pos;
}
//Find all the spaces between prefix_end_pos and mes_start_pos
space_pos = string_received.find(' ',++space_pos);
while(space_pos < s_msg_struct.msg_start_pos)
{
s_msg_struct.space_pos.emplace_back(space_pos);
space_pos = string_received.find(' ',++space_pos);
}
//Padding for collecting last string in string_received apart from message
s_msg_struct.space_pos.emplace_back(s_msg_struct.msg_start_pos);
//Gets the command in the message
s_msg_struct.command = string_received.substr(s_msg_struct.prefix_end_pos+1,(s_msg_struct.space_pos.at(0)-s_msg_struct.prefix_end_pos)-1);
//Implies the 2nd piece after the message is a channel or nickname, both go to channel var though
if(s_msg_struct.space_pos.size() >= 2)
{ s_msg_struct.channel = string_received.substr(s_msg_struct.space_pos.at(0)+1,(s_msg_struct.space_pos.at(1)-s_msg_struct.space_pos.at(0))-1); }
//Parse the prefix into nickname and username if possible
excl_pos = s_msg_struct.prefix.find('!');
if(excl_pos != std::string::npos)
{ s_msg_struct.nickname = s_msg_struct.prefix.substr(0,excl_pos); }
at_pos = s_msg_struct.prefix.find('@');
if(at_pos != std::string::npos)
{
if(s_msg_struct.prefix.at(excl_pos+1) == '~')
{ s_msg_struct.user = s_msg_struct.prefix.substr(excl_pos+2,(at_pos-excl_pos)-2); }
else
{ s_msg_struct.user = s_msg_struct.prefix.substr(excl_pos+1,(at_pos-excl_pos)-1); }
}
//The rest of the stuff left between spaces is put into a string vector
for(unsigned int i(1); i < (s_msg_struct.space_pos.size()-1); ++i)
{ s_msg_struct.args.emplace_back(string_received.substr(s_msg_struct.space_pos.at(i)+1,s_msg_struct.space_pos.at(i+1)-s_msg_struct.space_pos.at(i))); }
//Check what the msg_target should be
if(s_msg_struct.channel == nickname)
{ s_msg_struct.msg_target = nickname; }
else
{ s_msg_struct.msg_target = s_msg_struct.channel; }
}
void Bot::postHandler()
{
if(mimic_o.mimicing())
{mimic_o.mimic_handler();}
}
void Bot::parseMsg()
{
//Check if message is empty
if(s_msg_struct.msg.empty())
{return;}
msg_struct.msg = s_msg_struct.msg;
msg_struct.last_char_pos = msg_struct.msg.length()-1;
//Check if the message has the identifier for a command, stored in msg_struct.ident
if(msg_struct.msg.front() != msg_struct.ident)
{return;}
//Find the spaces within the message
space_pos = msg_struct.msg.find(' ');
while(space_pos != std::string::npos)
{
msg_struct.space_pos.emplace_back(space_pos);
space_pos = msg_struct.msg.find(' ',++space_pos);
}
//Adds a padding space for the end of the message for substr
msg_struct.space_pos.emplace_back(msg_struct.space_pos.size());
//Simple substr to get command
msg_struct.command = msg_struct.msg.substr(1,(msg_struct.space_pos.at(0)-1));
bool modifier_present = true;
unsigned int i(0);
//Parsing modifiers
for(; (i < (msg_struct.space_pos.size()-1)) && modifier_present; ++i)
{
temp_string = msg_struct.msg.substr(msg_struct.space_pos.at(i)+1,((msg_struct.space_pos.at(i+1)-msg_struct.space_pos.at(i)))-1);
if(!temp_string.empty())
{
if(temp_string.front()==msg_struct.MINUS || temp_string.front()==msg_struct.PLUS)
{msg_struct.mods.emplace_back(temp_string);}
else
{
modifier_present = false;
--i; //So argument parser can get the arguments instead
}
}
}
//Parsing arguments
for(; i < (msg_struct.space_pos.size()-1); ++i)
{
temp_string = msg_struct.msg.substr(msg_struct.space_pos.at(i)+1,(msg_struct.space_pos.at(i+1)-msg_struct.space_pos.at(i))-1);
if(!temp_string.empty())
{ msg_struct.args.emplace_back(temp_string); }
}
msg_struct.space_pos.pop_back(); //Remove the space padding
//Gets the postfix if there is one
string_length = msg_struct.command.size();
if(string_length != msg_struct.last_char_pos)
{ msg_struct.postfix = msg_struct.msg.substr(string_length+2,(msg_struct.last_char_pos-string_length)-1); }
}
void Bot::checkCommands()
{
if(msg_struct.command == "mimic")
{mimic_o.mimic();}
else if(msg_struct.command == "demimic")
{mimic_o.demimic();}
else if(msg_struct.command == "discon")
{discon();}
else if(msg_struct.command == "join")
{join_c();}
else if(msg_struct.command == "part")
{part_c();}
else if(msg_struct.command == ">")
{rawInput();}
}
void Bot::serverResponse()
{
if(s_msg_struct.command=="PING")
{send("PONG "+s_msg_struct.msg);}
}
void Bot::resetVars()
{
s_msg_struct.reset();
msg_struct.reset();
}
void Bot::loop()
{
while(stay_connected)
{
receive();
for(int i(0); i < parsable_strings.size(); ++i)
{
string_received = parsable_strings.at(i);
if(!string_received.empty())
{
parseServerMsg();
parseMsg();
if(!msg_struct.command.empty())
{checkCommands();}
serverResponse();
postHandler();
resetVars();
}
}parsable_strings.clear();
}
quit();
socket.disconnect();
}
void Bot::discon()
{
if(s_msg_struct.nickname == Dyrand)
{stay_connected = false;}
}
void Bot::join_c()
{
if(s_msg_struct.nickname == Dyrand)
{
for(unsigned int i(0); i < msg_struct.args.size(); i++)
{join(msg_struct.args.at(i));}
}
}
void Bot::part_c()
{
if(s_msg_struct.nickname == Dyrand)
{
for(unsigned int i(0); i < msg_struct.args.size(); i++)
{part(msg_struct.args.at(i));}
}
}
void Bot::rawInput()
{
if(s_msg_struct.nickname == Dyrand)
{send(msg_struct.postfix);}
else
{privmsg(s_msg_struct.msg_target,"\1ACTION tells "+s_msg_struct.nickname+" that the \">>\" command is only for: "+Dyrand+".\1");}
}
/* Get Functions for Bot class */
std::string Bot::getNickname()
{return nickname;}
void Bot::getMsgStructs(serverMsgStruct& s_msg_struct_t, msgStruct& msg_struct_t)
{
s_msg_struct_t = s_msg_struct;
msg_struct_t = msg_struct;
}
void Bot::configure()
{
using namespace boost::program_options;
if(!exists(config_file))
{genConfig();}
options_description desc("Allowed options");
/*Boost options_description class uses a special proxy return on call to add_options*/
/* The following is syntactically correct */
desc.add_options()
("max_wait_time", value<int>(), "The maximum time allotted for connecting to a server.")
("connection_password", value<std::string>(), "The password assigned to a connection established with the sever.")
("nickname", value<std::string>(), "The nickname for the bot.")
("user", value<std::string>(), "The username for the bot.")
("realname", value<std::string>(), "The realname for the bot.")
("mode", value<std::string>(), "The mode can be 8 which corresponds to 'i' (invisible) or 0 for no mode.")
("quit_message", value<std::string>(), "The message the bot displays when it sends the QUIT command.")
("target_port", value<unsigned short>(), "The port the bot will use to connect to the server.")
("target_server", value<std::string>(), "The server the bot will initially connecto to.")
("target_channel", value<std::string>(), "The channel the bot will initially connect to, \'%\' are substituted for \'#\'s.")
;
std::ifstream in_file(config_file.string());
variables_map vm;
store(parse_config_file(in_file,desc), vm);
notify(vm);
/*Set each variable to the values parsed from config*/
max_wait_time = vm["max_wait_time"].as<int>();
connection_password = vm["connection_password"].as<std::string>();
nickname = vm["nickname"].as<std::string>();
user = vm["user"].as<std::string>();
realname = vm["realname"].as<std::string>();
mode = vm["mode"].as<std::string>();
quit_message = vm["quit_message"].as<std::string>();
target_port = vm["target_port"].as<unsigned short>();
target_server = vm["target_server"].as<std::string>();
target_channel = vm["target_channel"].as<std::string>();
/*Replace first sequence of '%'s with '#'s*/
auto index = target_channel.find_first_not_of('%');
target_channel.replace(0,index,index,'#');
}
void Bot::genConfig()
{
if(!exists(*config_file.begin()))
{create_directory(*config_file.begin());}
std::ofstream out_file(config_file.string());
out_file << "max_wait_time=5" << "\n";
out_file << "connection_password=password" << "\n";
out_file << "nickname=DyrBot" << "\n";
out_file << "user=DyrBot" << "\n";
out_file << "realname=DyrBot" << "\n";
out_file << "mode=0" << "\n";
out_file << "quit_message=gotta go fast!" << "\n";
out_file << "target_port=8001" << "\n";
out_file << "target_server=irc.freenode.com" << "\n";
out_file << "target_channel=%botdever" << "\n";
out_file.close();
}