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1 | // Utils.C -*- C++ -*- |
2 | // Copyright (c) 1997, 1998 Etienne BERNARD |
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3 | // Copyright (c) 2005,2008 Clinton Ebadi |
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4 | |
5 | // This program is free software; you can redistribute it and/or modify |
6 | // it under the terms of the GNU General Public License as published by |
7 | // the Free Software Foundation; either version 2 of the License, or |
8 | // any later version. |
9 | |
10 | // This program is distributed in the hope that it will be useful, |
11 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 | // GNU General Public License for more details. |
14 | |
15 | // You should have received a copy of the GNU General Public License |
16 | // along with this program; if not, write to the Free Software |
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17 | // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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18 | |
19 | #ifdef HAVE_CONFIG_H |
20 | #include "config.h" |
21 | #endif |
22 | |
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23 | #include "Utils.H" |
24 | |
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25 | #include <string> |
26 | #include <sstream> |
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27 | |
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28 | #include <cctype> |
29 | #include <cstdlib> |
30 | |
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31 | #include "Bot.H" |
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32 | #include "ChannelList.H" |
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33 | #include "StringTokenizer.H" |
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34 | #include "User.H" |
35 | #include "UserList.H" |
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36 | |
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37 | std::string |
38 | Utils::get_nick (std::string nuh) |
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39 | { |
40 | StringTokenizer st(nuh); |
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41 | return st.next_token('!'); |
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42 | } |
43 | |
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44 | std::string |
45 | Utils::get_userhost (std::string nuh) |
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46 | { |
47 | StringTokenizer st(nuh); |
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48 | st.next_token('@'); |
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49 | return st.rest(); |
50 | } |
51 | |
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52 | std::string |
53 | Utils::get_key() |
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54 | { |
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55 | return long2str (std::rand()); |
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56 | } |
57 | |
58 | bool |
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59 | Utils::IP_p (std::string host) |
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60 | { |
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61 | for (std::string::size_type i = 0; i < host.length(); i++) |
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62 | if (!std::isdigit (host[i]) && host[i] !='.') |
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63 | return false; |
64 | return true; |
65 | } |
66 | |
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67 | std::string |
68 | Utils::make_wildcard (std::string mask) |
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69 | { |
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70 | StringTokenizer st (mask); |
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71 | std::cerr << "make_wildcard: \"" << mask << "\"\n"; |
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72 | |
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73 | st.next_token('!', true); |
74 | std::string nick = "*"; |
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75 | |
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76 | std::string user = st.next_token('@', true); |
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77 | if (user[0] == '~' || user[0] == '^' || |
78 | user[0] == '+' || user[0] == '-' || |
79 | user[0] == '*') |
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80 | user = user.substr (1); |
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81 | if (user.length() < 10) |
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82 | user = std::string("*") + user; |
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83 | |
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84 | std::string host = st.rest(); |
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85 | StringTokenizer st2(host); |
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86 | |
87 | if (!wildcard_p (host)) |
88 | { |
89 | if (IP_p (host)) |
90 | { |
91 | host = st2.next_token('.') + "."; |
92 | host = host + st2.next_token('.') + "."; |
93 | host = host + st2.next_token('.') + ".*"; |
94 | } |
95 | else |
96 | { |
97 | st2.next_token('.', true); |
98 | if (st2.count_tokens('.') > 1) |
99 | host = std::string("*.") + st2.rest(); |
100 | } |
101 | } |
102 | else |
103 | { |
104 | if (host == "") host = "*"; |
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105 | } |
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106 | |
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107 | return nick + "!" + user + "@" + host; |
108 | } |
109 | |
110 | bool |
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111 | Utils::channel_p(std::string c) |
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112 | { |
113 | return (c[0] == '#' || c[0] == '&'); |
114 | } |
115 | |
116 | bool |
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117 | Utils::wildcard_p (std::string c) |
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118 | { |
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119 | return (c.find('*') != std::string::npos); |
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120 | } |
121 | |
122 | bool |
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123 | Utils::valid_channel_name_p (std::string c) |
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124 | { |
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125 | return channel_p (c) && c.find(',') == std::string::npos; |
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126 | } |
127 | |
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128 | #define isvalid(c) (((c) >= 'A' && (c) <= '~') || std::isdigit(c) || (c) == '-') |
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129 | |
130 | bool |
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131 | Utils::valid_nickname_p (const Bot *b, std::string n) |
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132 | { |
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133 | // FIXME: make max nick length configurable |
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134 | if (n[0] == '-' || std::isdigit(n[0]) || n.length() > b->MAX_NICKLENGTH) |
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135 | return false; |
136 | |
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137 | for (std::string::size_type i = 0; i < n.length(); i++) |
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138 | if (!isvalid(n[i]) || std::isspace (n[i])) |
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139 | return false; |
140 | |
141 | return true; |
142 | } |
143 | |
144 | int |
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145 | Utils::get_level (Bot * b, std::string nuh) |
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146 | { |
147 | return b->userList->getMaxLevel(nuh); |
148 | } |
149 | |
150 | int |
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151 | Utils::get_level (Bot * b, std::string nuh, std::string channel) |
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152 | { |
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153 | if (!channel_p (channel)) |
154 | return get_level(b, nuh); |
155 | |
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156 | Channel * c = b->channelList->getChannel(channel); |
157 | if (c && c->hasNick (get_nick (nuh))) |
158 | return c->getUser(get_nick (nuh)).getLevel (); |
159 | else |
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160 | return -1; |
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161 | |
162 | return b->userList->getLevel(nuh, channel); |
163 | } |
164 | |
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165 | std::string |
166 | Utils::level2str(int l) |
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167 | { |
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168 | switch (l) |
169 | { |
170 | case User::USER: return "User"; |
171 | case User::TRUSTED_USER: return "Trusted User"; |
172 | case User::FRIEND: return "Friend"; |
173 | case User::MASTER: return "Master"; |
174 | } |
175 | |
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176 | return "None"; |
177 | } |
178 | |
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179 | std::string |
180 | Utils::prot2str(int p) |
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181 | { |
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182 | switch (p) |
183 | { |
184 | case User::NO_BAN: return "No ban"; |
185 | case User::NO_KICK: return "No kick"; |
186 | case User::NO_DEOP: return "No deop"; |
187 | } |
188 | |
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189 | return "None"; |
190 | } |
191 | |
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192 | std::string |
193 | Utils::bool2str(bool b) |
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194 | { |
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195 | // FIXME: should these be lowercase? |
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196 | return b ? "True" : "False"; |
197 | } |
198 | |
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199 | std::string |
200 | Utils::long2str (long l) |
201 | { |
202 | std::ostringstream temp; |
203 | temp << l; |
204 | |
205 | return temp.str (); |
206 | } |
207 | |
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208 | time_t |
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209 | Utils::str2time(std::string str) |
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210 | { |
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211 | std::string num; |
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212 | time_t ans = 0; |
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213 | |
214 | // Make sure that str is nominally valid before allocating a buffer |
215 | if (to_lower (str) == "inf") |
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216 | return -1; |
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217 | |
218 | if (!std::isdigit (str[0])) |
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219 | return 0; |
220 | |
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221 | num.reserve (64); // reserve a buffer to speed things up |
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222 | |
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223 | for (std::string::size_type i = 0; i < str.length(); i++) |
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224 | { |
225 | switch (str[i]) |
226 | { |
227 | case 'y': |
228 | case 'Y': |
229 | ans += (std::atoi (num.c_str ()) * 31557600); |
230 | num.clear (); |
231 | break; |
232 | case 'M': |
233 | ans += (std::atoi (num.c_str ()) * 2629800); |
234 | num.clear (); |
235 | break; |
236 | case 'd': |
237 | case 'D': |
238 | ans += (std::atoi (num.c_str ()) * 86400); |
239 | num.clear (); |
240 | break; |
241 | case 'h': |
242 | case 'H': |
243 | ans += (std::atoi (num.c_str ()) * 3600); |
244 | num.clear (); |
245 | break; |
246 | case 'm': |
247 | ans += (std::atoi (num.c_str ()) * 60); |
248 | num.clear (); |
249 | break; |
250 | case 's': |
251 | case 'S': |
252 | ans += std::atoi (num.c_str ()); |
253 | num.clear (); |
254 | default: |
255 | if (std::isdigit(str[i])) |
256 | num += str[i]; |
257 | else |
258 | return 0; |
259 | } |
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260 | } |
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261 | |
262 | if (!num.empty ()) |
263 | ans += std::atoi (num.c_str ()); |
264 | |
265 | return std::time (0) + ans; |
266 | } |
267 | |
268 | std::string |
269 | Utils::to_lower (std::string s) |
270 | { |
271 | std::string::iterator it; |
272 | |
273 | for (it = s.begin (); it != s.end (); ++it) |
274 | *it = std::tolower (*it); |
275 | |
276 | return s; |
277 | } |
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278 | |
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279 | std::string |
280 | Utils::to_upper (std::string s) |
281 | { |
282 | std::string::iterator it; |
283 | |
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284 | for (it = s.begin (); it != s.end (); it++) |
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285 | *it = std::toupper (*it); |
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286 | |
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287 | return s; |
288 | } |
289 | |
290 | std::string |
291 | Utils::trim_str (std::string s) |
292 | { |
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293 | int i = 0, j = s.length () - 1; |
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294 | |
295 | while (i < j && std::isspace (s[i])) |
296 | i++; |
297 | |
298 | while (j > 0 && std::isspace (s[j])) |
299 | j--; |
300 | |
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301 | return s.substr (i, j - i + 1); |
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302 | } |
303 | |
304 | #ifdef USESCRIPTS |
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305 | // Returns a std::string from an SCM argument |
306 | std::string |
307 | Utils::scm2str (SCM s) |
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308 | { |
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309 | // FIXME: uses gh_, replace with scm_ |
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310 | char *tmp = scm_to_locale_string (s); |
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311 | std::string temp (tmp); |
312 | |
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313 | free(tmp); |
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314 | |
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315 | return temp; |
316 | } |
317 | |
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318 | // Returns a SCM from an std::string argument |
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319 | SCM |
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320 | Utils::str2scm (std::string s) |
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321 | { |
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322 | return scm_from_locale_string (s.c_str ()); |
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323 | } |
324 | #endif |