| 1 | // Utils.C -*- C++ -*- |
| 2 | // Copyright (c) 1997, 1998 Etienne BERNARD |
| 3 | // Copyright (c) 2005,2008 Clinton Ebadi |
| 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 |
| 17 | // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 18 | |
| 19 | #ifdef HAVE_CONFIG_H |
| 20 | #include "config.h" |
| 21 | #endif |
| 22 | |
| 23 | #include "Utils.H" |
| 24 | |
| 25 | #include <string> |
| 26 | #include <sstream> |
| 27 | |
| 28 | #include <cctype> |
| 29 | #include <cstdlib> |
| 30 | |
| 31 | #include "Bot.H" |
| 32 | #include "ChannelList.H" |
| 33 | #include "StringTokenizer.H" |
| 34 | #include "User.H" |
| 35 | #include "UserList.H" |
| 36 | |
| 37 | std::string |
| 38 | Utils::get_nick (std::string nuh) |
| 39 | { |
| 40 | StringTokenizer st(nuh); |
| 41 | return st.next_token('!'); |
| 42 | } |
| 43 | |
| 44 | std::string |
| 45 | Utils::get_userhost (std::string nuh) |
| 46 | { |
| 47 | StringTokenizer st(nuh); |
| 48 | st.next_token('@'); |
| 49 | return st.rest(); |
| 50 | } |
| 51 | |
| 52 | std::string |
| 53 | Utils::get_key() |
| 54 | { |
| 55 | return long2str (std::rand()); |
| 56 | } |
| 57 | |
| 58 | bool |
| 59 | Utils::IP_p (std::string host) |
| 60 | { |
| 61 | for (std::string::size_type i = 0; i < host.length(); i++) |
| 62 | if (!std::isdigit (host[i]) && host[i] !='.') |
| 63 | return false; |
| 64 | return true; |
| 65 | } |
| 66 | |
| 67 | std::string |
| 68 | Utils::make_wildcard (std::string mask) |
| 69 | { |
| 70 | StringTokenizer st (mask); |
| 71 | std::cerr << "make_wildcard: \"" << mask << "\"\n"; |
| 72 | |
| 73 | st.next_token('!', true); |
| 74 | std::string nick = "*"; |
| 75 | |
| 76 | std::string user = st.next_token('@', true); |
| 77 | if (user[0] == '~' || user[0] == '^' || |
| 78 | user[0] == '+' || user[0] == '-' || |
| 79 | user[0] == '*') |
| 80 | user = user.substr (1); |
| 81 | if (user.length() < 10) |
| 82 | user = std::string("*") + user; |
| 83 | |
| 84 | std::string host = st.rest(); |
| 85 | StringTokenizer st2(host); |
| 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 = "*"; |
| 105 | } |
| 106 | |
| 107 | return nick + "!" + user + "@" + host; |
| 108 | } |
| 109 | |
| 110 | bool |
| 111 | Utils::channel_p(std::string c) |
| 112 | { |
| 113 | return (c[0] == '#' || c[0] == '&'); |
| 114 | } |
| 115 | |
| 116 | bool |
| 117 | Utils::wildcard_p (std::string c) |
| 118 | { |
| 119 | return (c.find('*') != std::string::npos); |
| 120 | } |
| 121 | |
| 122 | bool |
| 123 | Utils::valid_channel_name_p (std::string c) |
| 124 | { |
| 125 | return channel_p (c) && c.find(',') == std::string::npos; |
| 126 | } |
| 127 | |
| 128 | #define isvalid(c) (((c) >= 'A' && (c) <= '~') || std::isdigit(c) || (c) == '-') |
| 129 | |
| 130 | bool |
| 131 | Utils::valid_nickname_p (const Bot *b, std::string n) |
| 132 | { |
| 133 | // FIXME: make max nick length configurable |
| 134 | if (n[0] == '-' || std::isdigit(n[0]) || n.length() > b->MAX_NICKLENGTH) |
| 135 | return false; |
| 136 | |
| 137 | for (std::string::size_type i = 0; i < n.length(); i++) |
| 138 | if (!isvalid(n[i]) || std::isspace (n[i])) |
| 139 | return false; |
| 140 | |
| 141 | return true; |
| 142 | } |
| 143 | |
| 144 | int |
| 145 | Utils::get_level (Bot * b, std::string nuh) |
| 146 | { |
| 147 | return b->userList->getMaxLevel(nuh); |
| 148 | } |
| 149 | |
| 150 | int |
| 151 | Utils::get_level (Bot * b, std::string nuh, std::string channel) |
| 152 | { |
| 153 | if (!channel_p (channel)) |
| 154 | return get_level(b, nuh); |
| 155 | |
| 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 |
| 160 | return -1; |
| 161 | |
| 162 | return b->userList->getLevel(nuh, channel); |
| 163 | } |
| 164 | |
| 165 | std::string |
| 166 | Utils::level2str(int l) |
| 167 | { |
| 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 | |
| 176 | return "None"; |
| 177 | } |
| 178 | |
| 179 | std::string |
| 180 | Utils::prot2str(int p) |
| 181 | { |
| 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 | |
| 189 | return "None"; |
| 190 | } |
| 191 | |
| 192 | std::string |
| 193 | Utils::bool2str(bool b) |
| 194 | { |
| 195 | // FIXME: should these be lowercase? |
| 196 | return b ? "True" : "False"; |
| 197 | } |
| 198 | |
| 199 | std::string |
| 200 | Utils::long2str (long l) |
| 201 | { |
| 202 | std::ostringstream temp; |
| 203 | temp << l; |
| 204 | |
| 205 | return temp.str (); |
| 206 | } |
| 207 | |
| 208 | time_t |
| 209 | Utils::str2time(std::string str) |
| 210 | { |
| 211 | std::string num; |
| 212 | time_t ans = 0; |
| 213 | |
| 214 | // Make sure that str is nominally valid before allocating a buffer |
| 215 | if (to_lower (str) == "inf") |
| 216 | return -1; |
| 217 | |
| 218 | if (!std::isdigit (str[0])) |
| 219 | return 0; |
| 220 | |
| 221 | num.reserve (64); // reserve a buffer to speed things up |
| 222 | |
| 223 | for (std::string::size_type i = 0; i < str.length(); i++) |
| 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 | } |
| 260 | } |
| 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 | } |
| 278 | |
| 279 | std::string |
| 280 | Utils::to_upper (std::string s) |
| 281 | { |
| 282 | std::string::iterator it; |
| 283 | |
| 284 | for (it = s.begin (); it != s.end (); it++) |
| 285 | *it = std::toupper (*it); |
| 286 | |
| 287 | return s; |
| 288 | } |
| 289 | |
| 290 | std::string |
| 291 | Utils::trim_str (std::string s) |
| 292 | { |
| 293 | int i = 0, j = s.length () - 1; |
| 294 | |
| 295 | while (i < j && std::isspace (s[i])) |
| 296 | i++; |
| 297 | |
| 298 | while (j > 0 && std::isspace (s[j])) |
| 299 | j--; |
| 300 | |
| 301 | return s.substr (i, j - i + 1); |
| 302 | } |
| 303 | |
| 304 | #ifdef USESCRIPTS |
| 305 | // Returns a std::string from an SCM argument |
| 306 | std::string |
| 307 | Utils::scm2str (SCM s) |
| 308 | { |
| 309 | // FIXME: uses gh_, replace with scm_ |
| 310 | char *tmp = scm_to_locale_string (s); |
| 311 | std::string temp (tmp); |
| 312 | |
| 313 | free(tmp); |
| 314 | |
| 315 | return temp; |
| 316 | } |
| 317 | |
| 318 | // Returns a SCM from an std::string argument |
| 319 | SCM |
| 320 | Utils::str2scm (std::string s) |
| 321 | { |
| 322 | return scm_from_locale_string (s.c_str ()); |
| 323 | } |
| 324 | #endif |