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1 | // Utils.C -*- C++ -*- |
2 | // Copyright (c) 1997, 1998 Etienne BERNARD |
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3 | // Copyright (c) 2005 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 | |
23 | #include <cctype> |
24 | #include <cstdlib> |
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25 | #include <string> |
26 | #include <sstream> |
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27 | |
28 | #include "Utils.H" |
29 | #include "StringTokenizer.H" |
30 | |
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31 | std::string |
32 | Utils::get_nick (std::string nuh) |
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33 | { |
34 | StringTokenizer st(nuh); |
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35 | return st.next_token('!'); |
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36 | } |
37 | |
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38 | std::string |
39 | Utils::get_userhost (std::string nuh) |
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40 | { |
41 | StringTokenizer st(nuh); |
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42 | st.next_token('@'); |
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43 | return st.rest(); |
44 | } |
45 | |
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46 | std::string |
47 | Utils::get_key() |
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48 | { |
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49 | return long2str (std::rand()); |
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50 | } |
51 | |
52 | bool |
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53 | Utils::IP_p (std::string host) |
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54 | { |
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55 | for (std::string::size_type i = 0; i < host.length(); i++) |
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56 | if (!std::isdigit (host[i]) && host[i] !='.') |
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57 | return false; |
58 | return true; |
59 | } |
60 | |
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61 | std::string |
62 | Utils::make_wildcard (std::string mask) |
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63 | { |
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64 | StringTokenizer st (mask); |
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65 | |
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66 | st.next_token('!', true); |
67 | std::string nick = "*"; |
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68 | |
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69 | std::string user = st.next_token('@', true); |
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70 | if (user[0] == '~' || user[0] == '^' || |
71 | user[0] == '+' || user[0] == '-' || |
72 | user[0] == '*') |
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73 | user = user.substr (1); |
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74 | if (user.length() < 10) |
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75 | user = std::string("*") + user; |
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76 | |
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77 | std::string host = st.rest(); |
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78 | StringTokenizer st2(host); |
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79 | |
80 | if (!wildcard_p (host)) |
81 | { |
82 | if (IP_p (host)) |
83 | { |
84 | host = st2.next_token('.') + "."; |
85 | host = host + st2.next_token('.') + "."; |
86 | host = host + st2.next_token('.') + ".*"; |
87 | } |
88 | else |
89 | { |
90 | st2.next_token('.', true); |
91 | if (st2.count_tokens('.') > 1) |
92 | host = std::string("*.") + st2.rest(); |
93 | } |
94 | } |
95 | else |
96 | { |
97 | if (host == "") host = "*"; |
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98 | } |
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99 | |
100 | std::cout << nick + "!" + user + "@" + host << std::endl; |
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101 | |
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102 | return nick + "!" + user + "@" + host; |
103 | } |
104 | |
105 | bool |
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106 | Utils::channel_p(std::string c) |
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107 | { |
108 | return (c[0] == '#' || c[0] == '&'); |
109 | } |
110 | |
111 | bool |
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112 | Utils::wildcard_p (std::string c) |
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113 | { |
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114 | return (c.find('*') != std::string::npos); |
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115 | } |
116 | |
117 | bool |
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118 | Utils::valid_channel_name_p (std::string c) |
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119 | { |
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120 | return channel_p (c) && c.find(',') == std::string::npos; |
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121 | } |
122 | |
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123 | #define isvalid(c) (((c) >= 'A' && (c) <= '~') || std::isdigit(c) || (c) == '-') |
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124 | |
125 | bool |
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126 | Utils::valid_nickname_p (const Bot *b, std::string n) |
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127 | { |
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128 | // FIXME: make max nick length configurable |
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129 | if (n[0] == '-' || std::isdigit(n[0]) || n.length() > b->MAX_NICKLENGTH) |
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130 | return false; |
131 | |
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132 | for (std::string::size_type i = 0; i < n.length(); i++) |
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133 | if (!isvalid(n[i]) || std::isspace (n[i])) |
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134 | return false; |
135 | |
136 | return true; |
137 | } |
138 | |
139 | int |
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140 | Utils::get_level (Bot * b, std::string nuh) |
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141 | { |
142 | return b->userList->getMaxLevel(nuh); |
143 | } |
144 | |
145 | int |
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146 | Utils::get_level (Bot * b, std::string nuh, std::string channel) |
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147 | { |
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148 | if (!channel_p (channel)) |
149 | return get_level(b, nuh); |
150 | |
151 | if (Channel * c = b->channelList->getChannel(channel)) |
152 | { |
153 | User * u = c->getUser(get_nick (nuh)); |
154 | if (u) |
155 | return u->getLevel(); |
156 | } |
157 | else { |
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158 | return -1; |
159 | } |
160 | |
161 | return b->userList->getLevel(nuh, channel); |
162 | } |
163 | |
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164 | std::string |
165 | Utils::level2str(int l) |
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166 | { |
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167 | switch (l) |
168 | { |
169 | case User::USER: return "User"; |
170 | case User::TRUSTED_USER: return "Trusted User"; |
171 | case User::FRIEND: return "Friend"; |
172 | case User::MASTER: return "Master"; |
173 | } |
174 | |
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175 | return "None"; |
176 | } |
177 | |
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178 | std::string |
179 | Utils::prot2str(int p) |
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180 | { |
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181 | switch (p) |
182 | { |
183 | case User::NO_BAN: return "No ban"; |
184 | case User::NO_KICK: return "No kick"; |
185 | case User::NO_DEOP: return "No deop"; |
186 | } |
187 | |
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188 | return "None"; |
189 | } |
190 | |
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191 | std::string |
192 | Utils::bool2str(bool b) |
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193 | { |
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194 | // FIXME: should these be lowercase? |
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195 | return b ? "True" : "False"; |
196 | } |
197 | |
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198 | std::string |
199 | Utils::long2str (long l) |
200 | { |
201 | std::ostringstream temp; |
202 | temp << l; |
203 | |
204 | return temp.str (); |
205 | } |
206 | |
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207 | time_t |
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208 | Utils::str2time(std::string str) |
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209 | { |
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210 | std::string num; |
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211 | time_t ans = 0; |
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212 | |
213 | // Make sure that str is nominally valid before allocating a buffer |
214 | if (to_lower (str) == "inf") |
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215 | return -1; |
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216 | |
217 | if (!std::isdigit (str[0])) |
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218 | return 0; |
219 | |
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220 | num.reserve (64); // reserve a buffer to speed things up |
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221 | |
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222 | for (std::string::size_type i = 0; i < str.length(); i++) |
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223 | { |
224 | switch (str[i]) |
225 | { |
226 | case 'y': |
227 | case 'Y': |
228 | ans += (std::atoi (num.c_str ()) * 31557600); |
229 | num.clear (); |
230 | break; |
231 | case 'M': |
232 | ans += (std::atoi (num.c_str ()) * 2629800); |
233 | num.clear (); |
234 | break; |
235 | case 'd': |
236 | case 'D': |
237 | ans += (std::atoi (num.c_str ()) * 86400); |
238 | num.clear (); |
239 | break; |
240 | case 'h': |
241 | case 'H': |
242 | ans += (std::atoi (num.c_str ()) * 3600); |
243 | num.clear (); |
244 | break; |
245 | case 'm': |
246 | ans += (std::atoi (num.c_str ()) * 60); |
247 | num.clear (); |
248 | break; |
249 | case 's': |
250 | case 'S': |
251 | ans += std::atoi (num.c_str ()); |
252 | num.clear (); |
253 | default: |
254 | if (std::isdigit(str[i])) |
255 | num += str[i]; |
256 | else |
257 | return 0; |
258 | } |
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259 | } |
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260 | |
261 | if (!num.empty ()) |
262 | ans += std::atoi (num.c_str ()); |
263 | |
264 | return std::time (0) + ans; |
265 | } |
266 | |
267 | std::string |
268 | Utils::to_lower (std::string s) |
269 | { |
270 | std::string::iterator it; |
271 | |
272 | for (it = s.begin (); it != s.end (); ++it) |
273 | *it = std::tolower (*it); |
274 | |
275 | return s; |
276 | } |
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277 | |
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278 | std::string |
279 | Utils::to_upper (std::string s) |
280 | { |
281 | std::string::iterator it; |
282 | |
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283 | for (it = s.begin (); it != s.end (); it++) |
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284 | *it = std::toupper (*it); |
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285 | |
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286 | return s; |
287 | } |
288 | |
289 | std::string |
290 | Utils::trim_str (std::string s) |
291 | { |
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292 | int i = 0, j = s.length () - 1; |
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293 | |
294 | while (i < j && std::isspace (s[i])) |
295 | i++; |
296 | |
297 | while (j > 0 && std::isspace (s[j])) |
298 | j--; |
299 | |
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300 | return s.substr (i, j - i + 1); |
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301 | } |
302 | |
303 | #ifdef USESCRIPTS |
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304 | // Returns a std::string from an SCM argument |
305 | std::string |
306 | Utils::scm2str (SCM s) |
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307 | { |
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308 | // FIXME: uses gh_, replace with scm_ |
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309 | char *tmp = gh_scm2newstr(s, 0); |
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310 | std::string temp (tmp); |
311 | |
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312 | free(tmp); |
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313 | |
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314 | return temp; |
315 | } |
316 | |
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317 | // Returns a SCM from an std::string argument |
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318 | SCM |
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319 | Utils::str2scm (std::string s) |
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320 | { |
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321 | return gh_str02scm (s.c_str ()); |
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322 | } |
323 | #endif |