1 | <?php |
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2 | /* |
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3 | * Copyright (C) 2014 <[email protected]> |
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4 | * Modified and Relicensed by <[email protected]> under the expressed |
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5 | * permission by the Copyright-Holder <[email protected]>. |
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6 | * |
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7 | * This program is free software: you can redistribute it and/or modify |
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8 | * it under the terms of the GNU General Public License as published by |
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9 | * the Free Software Foundation, either version 3 of the License, or |
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10 | * (at your option) any later version. |
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11 | * |
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12 | * This program is distributed in the hope that it will be useful, |
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the |
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15 | * GNU General Public License for more details. |
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16 | * |
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17 | * You should have received a copy of the GNU General Public License |
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18 | * along with this program. If not, see <https://www.gnu.org/licenses/>. |
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19 | * */ |
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20 | |||
21 | namespace LibreNMS; |
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22 | |||
23 | use LibreNMS\Authentication\LegacyAuth; |
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24 | use LibreNMS\DB\Eloquent; |
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25 | use LibreNMS\Enum\AlertState; |
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26 | use LibreNMS\Util\Number; |
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27 | use LibreNMS\Util\Time; |
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28 | use Permissions; |
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29 | |||
30 | class IRCBot |
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31 | { |
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32 | private $config; |
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33 | |||
34 | private $user; |
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35 | |||
36 | private $last_activity = 0; |
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37 | |||
38 | private $data = ''; |
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39 | |||
40 | private $authd = []; |
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41 | |||
42 | private $debug = false; |
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43 | |||
44 | private $server = ''; |
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45 | |||
46 | private $port = ''; |
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47 | |||
48 | private $ssl = false; |
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49 | |||
50 | private $pass = ''; |
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51 | |||
52 | private $nick = 'LibreNMS'; |
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53 | |||
54 | private $tempnick = null; |
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55 | |||
56 | private $chan = []; |
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57 | |||
58 | private $commands = [ |
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59 | 'auth', |
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60 | 'quit', |
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61 | 'listdevices', |
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62 | 'device', |
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63 | 'port', |
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64 | 'down', |
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65 | 'version', |
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66 | 'status', |
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67 | 'log', |
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68 | 'help', |
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69 | 'reload', |
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70 | 'join', |
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71 | ]; |
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72 | |||
73 | private $command = ''; |
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74 | |||
75 | private $external = []; |
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76 | |||
77 | private $tick = 62500; |
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78 | |||
79 | private $j = 0; |
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80 | |||
81 | private $socket = []; |
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82 | |||
83 | private $floodcount = 0; |
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84 | |||
85 | private $max_retry = 5; |
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86 | |||
87 | private $nickwait; |
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88 | |||
89 | private $buff; |
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90 | |||
91 | private $tokens; |
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92 | |||
93 | public function __construct() |
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94 | { |
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95 | $this->log('Setting up IRC-Bot..'); |
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96 | |||
97 | $this->config = Config::getAll(); |
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98 | $this->debug = $this->config['irc_debug']; |
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99 | $this->config['irc_authtime'] = $this->config['irc_authtime'] ? $this->config['irc_authtime'] : 3; |
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100 | $this->max_retry = $this->config['irc_maxretry']; |
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101 | $this->server = $this->config['irc_host']; |
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102 | if ($this->config['irc_port'][0] == '+') { |
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103 | $this->ssl = true; |
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104 | $this->port = substr($this->config['irc_port'], 1); |
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105 | } else { |
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106 | $this->port = $this->config['irc_port']; |
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107 | } |
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108 | |||
109 | if ($this->config['irc_nick']) { |
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110 | $this->nick = $this->config['irc_nick']; |
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111 | } |
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112 | |||
113 | if ($this->config['irc_alert_chan']) { |
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114 | if (strstr($this->config['irc_alert_chan'], ',')) { |
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115 | $this->config['irc_alert_chan'] = explode(',', $this->config['irc_alert_chan']); |
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116 | } elseif (! is_array($this->config['irc_alert_chan'])) { |
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117 | $this->config['irc_alert_chan'] = [$this->config['irc_alert_chan']]; |
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118 | } |
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119 | $this->chan = $this->config['irc_alert_chan']; |
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120 | } |
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121 | |||
122 | if ($this->config['irc_pass']) { |
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123 | $this->pass = $this->config['irc_pass']; |
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124 | } |
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125 | |||
126 | $this->loadExternal(); |
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127 | $this->log('Starting IRC-Bot..'); |
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128 | $this->init(); |
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129 | } |
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130 | |||
131 | //end __construct() |
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132 | |||
133 | private function loadExternal() |
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134 | { |
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135 | if (! $this->config['irc_external']) { |
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136 | return true; |
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137 | } |
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138 | |||
139 | $this->log('Caching external commands...'); |
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140 | if (! is_array($this->config['irc_external'])) { |
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141 | $this->config['irc_external'] = explode(',', $this->config['irc_external']); |
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142 | } |
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143 | |||
144 | foreach ($this->config['irc_external'] as $ext) { |
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145 | $this->log("Command $ext..."); |
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146 | if (($this->external[$ext] = file_get_contents('includes/ircbot/' . $ext . '.inc.php')) == '') { |
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147 | $this->log('failed!'); |
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148 | unset($this->external[$ext]); |
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149 | } |
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150 | } |
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151 | |||
152 | return $this->log('Cached ' . sizeof($this->external) . ' commands.'); |
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153 | } |
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154 | |||
155 | //end load_external() |
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156 | |||
157 | private function init() |
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158 | { |
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159 | if ($this->config['irc_alert']) { |
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160 | $this->connectAlert(); |
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161 | } |
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162 | |||
163 | $this->last_activity = time(); |
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164 | |||
165 | $this->j = 2; |
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166 | |||
167 | $this->connect(); |
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168 | $this->log('Connected'); |
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169 | if ($this->pass) { |
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170 | fwrite($this->socket['irc'], 'PASS ' . $this->pass . "\n\r"); |
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171 | } |
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172 | |||
173 | $this->doAuth(); |
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174 | $this->nickwait = 0; |
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175 | while (true) { |
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176 | foreach ($this->socket as $n => $socket) { |
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177 | if (! is_resource($socket) || feof($socket)) { |
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178 | $this->log("Socket '$n' closed. Restarting."); |
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179 | break 2; |
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180 | } |
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181 | } |
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182 | |||
183 | if (isset($this->tempnick)) { |
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184 | if ($this->nickwait > 100) { |
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185 | $this->ircRaw('NICK ' . $this->nick); |
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186 | $this->nickwait = 0; |
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187 | } |
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188 | $this->nickwait += 1; |
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189 | } |
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190 | |||
191 | $this->getData(); |
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192 | if ($this->config['irc_alert']) { |
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193 | $this->alertData(); |
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194 | } |
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195 | |||
196 | if ($this->config['irc_conn_timeout']) { |
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197 | $inactive_seconds = time() - $this->last_activity; |
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198 | $max_inactive = $this->config['irc_conn_timeout']; |
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199 | if ($inactive_seconds > $max_inactive) { |
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200 | $this->log('No data from server since ' . $max_inactive . ' seconds. Restarting.'); |
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201 | break; |
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202 | } |
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203 | } |
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204 | |||
205 | usleep($this->tick); |
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206 | } |
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207 | |||
208 | return $this->init(); |
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209 | } |
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210 | |||
211 | //end init() |
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212 | |||
213 | private function connectAlert() |
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214 | { |
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215 | $f = $this->config['install_dir'] . '/.ircbot.alert'; |
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216 | if ((file_exists($f) && filetype($f) != 'fifo' && ! unlink($f)) || (! file_exists($f) && ! shell_exec("mkfifo $f && echo 1"))) { |
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217 | $this->log('Error - Cannot create Alert-File'); |
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218 | |||
219 | return false; |
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220 | } |
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221 | |||
222 | if (($this->socket['alert'] = fopen($f, 'r+'))) { |
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223 | $this->log('Opened Alert-File'); |
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224 | stream_set_blocking($this->socket['alert'], false); |
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225 | |||
226 | return true; |
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227 | } |
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228 | |||
229 | $this->log('Error - Cannot open Alert-File'); |
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230 | |||
231 | return false; |
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232 | } |
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233 | |||
234 | //end connect_alert() |
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235 | |||
236 | private function read($buff) |
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237 | { |
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238 | $r = fread($this->socket[$buff], 8192); |
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239 | $this->buff[$buff] .= $r; |
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240 | $r = strlen($r); |
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241 | if (strstr($this->buff[$buff], "\n")) { |
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242 | $tmp = explode("\n", $this->buff[$buff], 2); |
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243 | $this->buff[$buff] = substr($this->buff[$buff], (strlen($tmp[0]) + 1)); |
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244 | if ($this->debug) { |
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245 | $this->log("Returning buffer '$buff': '" . trim($tmp[0]) . "'"); |
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246 | } |
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247 | |||
248 | return $tmp[0]; |
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249 | } |
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250 | |||
251 | if ($this->debug && $r > 0) { |
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252 | $this->log("Expanding buffer '$buff' = '" . trim($this->buff[$buff]) . "'"); |
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253 | } |
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254 | |||
255 | return false; |
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256 | } |
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257 | |||
258 | //end read() |
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259 | |||
260 | private function alertData() |
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261 | { |
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262 | if (($alert = $this->read('alert')) !== false) { |
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263 | $alert = json_decode($alert, true); |
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264 | if (! is_array($alert)) { |
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265 | return false; |
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266 | } |
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267 | if ($this->debug) { |
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268 | $this->log('Alert received ' . $alert['title']); |
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269 | $this->log('Alert state ' . $alert['state']); |
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270 | $this->log('Alert severity ' . $alert['severity']); |
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271 | $this->log('Alert channels ' . print_r($this->config['irc_alert_chan'], true)); |
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272 | } |
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273 | |||
274 | switch ($alert['state']) { |
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275 | case AlertState::WORSE: |
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276 | $severity_extended = '+'; |
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277 | break; |
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278 | case AlertState::BETTER: |
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279 | $severity_extended = '-'; |
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280 | break; |
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281 | default: |
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282 | $severity_extended = ''; |
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283 | } |
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284 | $severity = ''; |
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285 | if (isset($alert['severity'])) { |
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286 | $severity = str_replace(['warning', 'critical', 'normal'], [$this->_color('Warning', 'yellow'), $this->_color('Critical', 'red'), $this->_color('Info', 'lightblue')], $alert['severity']) . $severity_extended . ' '; |
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287 | } |
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288 | |||
289 | if ($alert['state'] == AlertState::RECOVERED and $this->config['irc_alert_utf8']) { |
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290 | $severity = str_replace(['Warning', 'Critical'], ['̶W̶a̶r̶n̶i̶n̶g', '̶C̶r̶i̶t̶i̶c̶a̶l'], $severity); |
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291 | } |
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292 | |||
293 | if ($this->config['irc_alert_chan']) { |
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294 | foreach ($this->config['irc_alert_chan'] as $chan) { |
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295 | $this->sendAlert($chan, $severity, $alert); |
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296 | $this->ircRaw('BOTFLOODCHECK'); |
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297 | } |
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298 | } else { |
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299 | foreach ($this->authd as $nick => $data) { |
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300 | if ($data['expire'] >= time()) { |
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301 | $this->sendAlert($nick, $severity, $alert); |
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302 | } |
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303 | } |
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304 | } |
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305 | } |
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306 | } |
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307 | |||
308 | //end alertData() |
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309 | |||
310 | private function sendAlert($sendto, $severity, $alert) |
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311 | { |
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312 | $sendto = explode(' ', $sendto)[0]; |
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313 | $this->ircRaw('PRIVMSG ' . $sendto . ' :' . $severity . trim($alert['title'])); |
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314 | if ($this->config['irc_alert_short']) { |
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315 | // Only send the title if set to short |
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316 | |||
317 | return; |
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318 | } |
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319 | |||
320 | foreach (explode("\n", $alert['msg']) as $line) { |
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321 | $line = trim($line); |
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322 | if (strlen($line) < 1) { |
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323 | continue; |
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324 | } |
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325 | $line = $this->_html2irc($line); |
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326 | $line = strip_tags($line); |
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327 | |||
328 | // We don't need to repeat the title |
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329 | if (trim($line) != trim($alert['title'])) { |
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330 | $this->log("Sending alert $line"); |
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331 | if ($this->config['irc_floodlimit'] > 100) { |
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332 | $this->floodcount += strlen($line); |
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333 | } elseif ($this->config['irc_floodlimit'] > 1) { |
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334 | $this->floodcount += 1; |
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335 | } |
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336 | if (($this->config['irc_floodlimit'] > 0) && ($this->floodcount > $this->config['irc_floodlimit'])) { |
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337 | $this->log('Reached floodlimit ' . $this->floodcount); |
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338 | $this->ircRaw('BOTFLOODCHECK'); |
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339 | sleep(2); |
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340 | $this->floodcount = 0; |
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341 | } |
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342 | $this->ircRaw('PRIVMSG ' . $sendto . ' :' . $line); |
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343 | } |
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344 | } |
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345 | } |
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346 | |||
347 | //end sendAlert() |
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348 | |||
349 | private function getData() |
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350 | { |
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351 | if (($data = $this->read('irc')) !== false) { |
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352 | $this->last_activity = time(); |
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353 | $this->data = $data; |
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354 | $ex = explode(' ', $this->data); |
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355 | if ($ex[0] == 'PING') { |
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356 | return $this->ircRaw('PONG ' . $ex[1]); |
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357 | } |
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358 | |||
359 | if ($ex[1] == 376 || $ex[1] == 422 || ($ex[1] == 'MODE' && $ex[2] == $this->nick)) { |
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360 | if ($this->j == 2) { |
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361 | $this->joinChan(); |
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362 | $this->j = 0; |
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363 | } |
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364 | } |
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365 | |||
366 | if (($this->config['irc_ctcp']) && (preg_match('/^:' . chr(1) . '.*/', $ex[3]))) { |
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367 | // Handle CTCP |
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368 | $ctcp = trim(preg_replace('/[^A-Z]/', '', $ex[3])); |
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369 | $ctcp_reply = null; |
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370 | $this->log('Received irc CTCP: ' . $ctcp . ' from ' . $this->getUser($this->data)); |
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371 | switch ($ctcp) { |
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372 | case 'VERSION': |
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373 | $ctcp_reply = chr(1) . "$ctcp " . $this->config['irc_ctcp_version'] . chr(1); |
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374 | break; |
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375 | case 'PING': |
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376 | $ctcp_reply = chr(1) . "$ctcp " . $ex[4] . ' ' . $ex[5] . chr(1); |
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377 | break; |
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378 | case 'TIME': |
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379 | $ctcp_reply = chr(1) . "$ctcp " . date('c') . chr(1); |
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380 | break; |
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381 | } |
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382 | if ($ctcp_reply !== null) { |
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383 | $this->log('Sending irc CTCP: ' . 'NOTICE ' . $this->getUser($this->data) . ' :' . $ctcp_reply); |
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384 | |||
385 | return $this->ircRaw('NOTICE ' . $this->getUser($this->data) . ' :' . $ctcp_reply); |
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386 | } |
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387 | } |
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388 | |||
389 | if (($ex[1] == 'NICK') && (preg_replace('/^:/', '', $ex[2]) == $this->nick)) { |
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390 | // Nickname changed successfully |
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391 | if ($this->debug) { |
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392 | $this->log('Regained our real nick'); |
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393 | } |
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394 | unset($this->tempnick); |
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395 | } |
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396 | if (($ex[1] == 433) || ($ex[1] == 437)) { |
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397 | // Nickname already in use / temp unavailable |
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398 | if ($this->debug) { |
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399 | $this->log('Nickname already in use...'); |
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400 | } |
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401 | if ($ex[2] != '*') { |
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402 | $this->tempnick = $ex[2]; |
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403 | } |
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404 | if (! isset($this->tempnick)) { |
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405 | $this->tempnick = $this->nick . rand(0, 99); |
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406 | } |
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407 | if ($this->debug) { |
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408 | $this->log('Using temp nick ' . $this->tempnick); |
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409 | } |
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410 | |||
411 | return $this->ircRaw('NICK ' . $this->tempnick); |
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412 | } |
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413 | if ($ex[1] == 421) { |
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414 | // Unknown command |
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415 | if ($ex[3] == 'BOTFLOODCHECK') { |
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416 | $this->floodcount = 0; |
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417 | } |
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418 | } |
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419 | $this->command = str_replace([chr(10), chr(13)], '', $ex[3]); |
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420 | if (strstr($this->command, ':.')) { |
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421 | $this->handleCommand(); |
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422 | } |
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423 | } |
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424 | } |
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425 | |||
426 | //end getData() |
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427 | |||
428 | private function joinChan($chan = false) |
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429 | { |
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430 | if ($chan) { |
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431 | $this->chan[] = $chan; |
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432 | } |
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433 | |||
434 | foreach ($this->chan as $chan) { |
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435 | $this->ircRaw('JOIN ' . $chan); |
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436 | } |
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437 | |||
438 | return true; |
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439 | } |
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440 | |||
441 | //end joinChan() |
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442 | |||
443 | private function handleCommand() |
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444 | { |
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445 | $this->command = str_replace(':.', '', $this->command); |
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446 | $tmp = explode(':.' . $this->command . ' ', $this->data); |
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447 | $this->user = $this->getAuthdUser(); |
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448 | $this->log('isAuthd-1? ' . $this->isAuthd()); |
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449 | if (! $this->isAuthd() && (isset($this->config['irc_auth']))) { |
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450 | $this->hostAuth(); |
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451 | } |
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452 | $this->log('isAuthd-2? ' . $this->isAuthd()); |
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453 | if ($this->isAuthd() || trim($this->command) == 'auth') { |
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454 | $this->proceedCommand(str_replace("\n", '', trim($this->command)), trim($tmp[1])); |
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455 | } |
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456 | |||
457 | $this->authd[$this->getUser($this->data)] = $this->user; |
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458 | |||
459 | return false; |
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460 | } |
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461 | |||
462 | //end handleCommand() |
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463 | |||
464 | private function proceedCommand($command, $params) |
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465 | { |
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466 | $command = strtolower($command); |
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467 | if (in_array($command, $this->commands)) { |
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468 | $this->chkdb(); |
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469 | $this->log($command . " ( '" . $params . "' )"); |
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470 | |||
471 | return $this->{'_' . $command}($params); |
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472 | } elseif ($this->external[$command]) { |
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473 | $this->chkdb(); |
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474 | $this->log($command . " ( '" . $params . "' ) [Ext]"); |
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475 | |||
476 | return eval($this->external[$command]); |
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477 | } |
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478 | |||
479 | return false; |
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480 | } |
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481 | |||
482 | //end proceedCommand() |
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483 | |||
484 | private function respond($msg) |
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485 | { |
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486 | $chan = $this->getChan($this->data); |
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487 | |||
488 | return $this->sendMessage($msg, strstr($chan, '#') ? $chan : $this->getUser($this->data)); |
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489 | } |
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490 | |||
491 | //end respond() |
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492 | |||
493 | private function getChan($param) |
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494 | { |
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495 | $data = explode('PRIVMSG ', $this->data, 3); |
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496 | $data = explode(' ', $data[1], 2); |
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497 | |||
498 | return $data[0]; |
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499 | } |
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500 | |||
501 | //end getChan() |
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502 | |||
503 | private function getUser($param) |
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504 | { |
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505 | $arrData = explode('!', $param, 2); |
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506 | |||
507 | return str_replace(':', '', $arrData[0]); |
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508 | } |
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509 | |||
510 | //end getUser() |
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511 | |||
512 | private function getUserHost($param) |
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513 | { |
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514 | $arrData = explode(' ', $param, 2); |
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515 | |||
516 | return str_replace(':', '', $arrData[0]); |
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517 | } |
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518 | |||
519 | //end getUserHost() |
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520 | |||
521 | private function connect($try = 0) |
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522 | { |
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523 | if ($try > $this->max_retry) { |
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524 | $this->log('Failed too many connection attempts, aborting'); |
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525 | |||
526 | return exit(); |
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527 | } |
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528 | |||
529 | $this->log('Trying to connect (' . ($try + 1) . ') to ' . $this->server . ':' . $this->port . ($this->ssl ? ' (SSL)' : '')); |
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530 | if ($this->socket['irc']) { |
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531 | $this->ircRaw('QUIT :Reloading'); |
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532 | fclose($this->socket['irc']); |
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533 | } |
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534 | |||
535 | if ($this->ssl) { |
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536 | $server = 'ssl://' . $this->server; |
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537 | } else { |
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538 | $server = $this->server; |
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539 | } |
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540 | |||
541 | if ($this->ssl && $this->config['irc_disable_ssl_check']) { |
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542 | $ssl_context_params = ['ssl'=>['allow_self_signed'=> true, 'verify_peer' => false, 'verify_peer_name' => false]]; |
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543 | $ssl_context = stream_context_create($ssl_context_params); |
||
544 | $this->socket['irc'] = stream_socket_client($server . ':' . $this->port, $errno, $errstr, 30, STREAM_CLIENT_CONNECT, $ssl_context); |
||
545 | } else { |
||
546 | $this->socket['irc'] = fsockopen($server, $this->port); |
||
547 | } |
||
548 | |||
549 | if (! is_resource($this->socket['irc'])) { |
||
550 | if ($try < 5) { |
||
551 | sleep(5); |
||
552 | } elseif ($try < 10) { |
||
553 | sleep(60); |
||
554 | } else { |
||
555 | sleep(300); |
||
556 | } |
||
557 | |||
558 | return $this->connect($try + 1); |
||
559 | } else { |
||
560 | stream_set_blocking($this->socket['irc'], false); |
||
561 | |||
562 | return true; |
||
563 | } |
||
564 | } |
||
565 | |||
566 | //end connect() |
||
567 | |||
568 | private function doAuth() |
||
569 | { |
||
570 | if ($this->ircRaw('USER ' . $this->nick . ' 0 ' . $this->nick . ' :' . $this->nick) && $this->ircRaw('NICK ' . $this->nick)) { |
||
571 | return true; |
||
572 | } |
||
573 | |||
574 | return false; |
||
575 | } |
||
576 | |||
577 | //end doAuth() |
||
578 | |||
579 | private function sendMessage($message, $chan) |
||
580 | { |
||
581 | if ($this->debug) { |
||
582 | $this->log("Sending 'PRIVMSG " . trim($chan) . ' :' . trim($message) . "'"); |
||
583 | } |
||
584 | |||
585 | return $this->ircRaw('PRIVMSG ' . trim($chan) . ' :' . trim($message)); |
||
586 | } |
||
587 | |||
588 | //end sendMessage() |
||
589 | |||
590 | private function log($msg) |
||
591 | { |
||
592 | $log = '[' . date('r') . '] IRCbot ' . trim($msg) . "\n"; |
||
593 | echo $log; |
||
594 | file_put_contents($this->config['log_dir'] . '/irc.log', $log, FILE_APPEND); |
||
595 | |||
596 | return true; |
||
597 | } |
||
598 | |||
599 | //end log() |
||
600 | |||
601 | private function chkdb() |
||
602 | { |
||
603 | if (! Eloquent::isConnected()) { |
||
604 | try { |
||
605 | Eloquent::boot(); |
||
606 | } catch (\PDOException $e) { |
||
607 | $this->log('Cannot connect to MySQL: ' . $e->getMessage()); |
||
608 | |||
609 | return exit(); |
||
610 | } |
||
611 | } |
||
612 | |||
613 | return true; |
||
614 | } |
||
615 | |||
616 | //end chkdb() |
||
617 | |||
618 | private function isAuthd() |
||
619 | { |
||
620 | if ($this->user['expire'] >= time()) { |
||
621 | $this->user['expire'] = (time() + ($this->config['irc_authtime'] * 3600)); |
||
622 | |||
623 | return true; |
||
624 | } else { |
||
625 | return false; |
||
626 | } |
||
627 | } |
||
628 | |||
629 | //end isAuthd() |
||
630 | |||
631 | private function getAuthdUser() |
||
632 | { |
||
633 | return $this->authd[$this->getUser($this->data)]; |
||
634 | } |
||
635 | |||
636 | //end getAuthUser() |
||
637 | |||
638 | private function hostAuth() |
||
639 | { |
||
640 | $this->log('HostAuth'); |
||
641 | global $authorizer; |
||
642 | foreach ($this->config['irc_auth'] as $nms_user => $hosts) { |
||
643 | foreach ($hosts as $host) { |
||
644 | $host = preg_replace("/\*/", '.*', $host); |
||
645 | if ($this->debug) { |
||
646 | $this->log("HostAuth on irc matching $host to " . $this->getUserHost($this->data)); |
||
647 | } |
||
648 | if (preg_match("/$host/", $this->getUserHost($this->data))) { |
||
649 | $user_id = LegacyAuth::get()->getUserid($nms_user); |
||
650 | $user = LegacyAuth::get()->getUser($user_id); |
||
651 | $this->user['name'] = $user['username']; |
||
652 | $this->user['id'] = $user_id; |
||
653 | $this->user['level'] = LegacyAuth::get()->getUserlevel($user['username']); |
||
654 | $this->user['expire'] = (time() + ($this->config['irc_authtime'] * 3600)); |
||
655 | if ($this->user['level'] < 5) { |
||
656 | $this->user['devices'] = Permissions::devicesForUser($this->user['id'])->toArray(); |
||
657 | $this->user['ports'] = Permissions::portsForUser($this->user['id'])->toArray(); |
||
658 | } |
||
659 | if ($this->debug) { |
||
660 | $this->log("HostAuth on irc for '" . $user['username'] . "', ID: '" . $user_id . "', Host: '" . $host); |
||
661 | } |
||
662 | |||
663 | return true; |
||
664 | } |
||
665 | } |
||
666 | } |
||
667 | |||
668 | return false; |
||
669 | } |
||
670 | |||
671 | //end hostAuth |
||
672 | |||
673 | private function ircRaw($params) |
||
674 | { |
||
675 | return fputs($this->socket['irc'], $params . "\r\n"); |
||
676 | } |
||
677 | |||
678 | //end irc_raw() |
||
679 | |||
680 | private function _auth($params) |
||
681 | { |
||
682 | global $authorizer; |
||
683 | $params = explode(' ', $params, 2); |
||
684 | if (strlen($params[0]) == 64) { |
||
685 | if ($this->tokens[$this->getUser($this->data)] == $params[0]) { |
||
686 | $this->user['expire'] = (time() + ($this->config['irc_authtime'] * 3600)); |
||
687 | $tmp_user = LegacyAuth::get()->getUser($this->user['id']); |
||
688 | $tmp = LegacyAuth::get()->getUserlevel($tmp_user['username']); |
||
689 | $this->user['level'] = $tmp; |
||
690 | if ($this->user['level'] < 5) { |
||
691 | $this->user['devices'] = Permissions::devicesForUser($this->user['id'])->toArray(); |
||
692 | $this->user['ports'] = Permissions::portsForUser($this->user['id'])->toArray(); |
||
693 | } |
||
694 | |||
695 | return $this->respond('Authenticated.'); |
||
696 | } else { |
||
697 | return $this->respond('Nope.'); |
||
698 | } |
||
699 | } else { |
||
700 | $user_id = LegacyAuth::get()->getUserid($params[0]); |
||
701 | $user = LegacyAuth::get()->getUser($user_id); |
||
702 | if ($user['email'] && $user['username'] == $params[0]) { |
||
703 | $token = hash('gost', openssl_random_pseudo_bytes(1024)); |
||
704 | $this->tokens[$this->getUser($this->data)] = $token; |
||
705 | $this->user['name'] = $params[0]; |
||
706 | $this->user['id'] = $user['user_id']; |
||
707 | if ($this->debug) { |
||
708 | $this->log("Auth for '" . $params[0] . "', ID: '" . $user['user_id'] . "', Token: '" . $token . "', Mail: '" . $user['email'] . "'"); |
||
709 | } |
||
710 | |||
711 | if (send_mail($user['email'], 'LibreNMS IRC-Bot Authtoken', "Your Authtoken for the IRC-Bot:\r\n\r\n" . $token . "\r\n\r\n") === true) { |
||
712 | return $this->respond('Token sent!'); |
||
713 | } else { |
||
714 | return $this->respond('Sorry, seems like mail doesnt like us.'); |
||
715 | } |
||
716 | } else { |
||
717 | return $this->respond('Who are you again?'); |
||
718 | } |
||
719 | }//end if |
||
720 | } |
||
721 | |||
722 | //end _auth() |
||
723 | |||
724 | private function _reload($params) |
||
725 | { |
||
726 | if ($this->user['level'] == 10) { |
||
727 | if ($params == 'external') { |
||
728 | $this->respond('Reloading external scripts.'); |
||
729 | |||
730 | return $this->loadExternal(); |
||
731 | } |
||
732 | $new_config = Config::load(); |
||
733 | $this->respond('Reloading configuration & defaults'); |
||
734 | if ($new_config != $this->config) { |
||
735 | $this->__construct(); |
||
736 | |||
737 | return; |
||
738 | } |
||
739 | } else { |
||
740 | return $this->respond('Permission denied.'); |
||
741 | } |
||
742 | } |
||
743 | |||
744 | //end _reload() |
||
745 | |||
746 | private function _join($params) |
||
747 | { |
||
748 | if ($this->user['level'] == 10) { |
||
749 | return $this->joinChan($params); |
||
750 | } else { |
||
751 | return $this->respond('Permission denied.'); |
||
752 | } |
||
753 | } |
||
754 | |||
755 | //end _join() |
||
756 | |||
757 | private function _quit($params) |
||
758 | { |
||
759 | if ($this->user['level'] == 10) { |
||
760 | $this->ircRaw('QUIT :Requested'); |
||
761 | |||
762 | return exit(); |
||
763 | } else { |
||
764 | return $this->respond('Permission denied.'); |
||
765 | } |
||
766 | } |
||
767 | |||
768 | //end _quit() |
||
769 | |||
770 | private function _help($params) |
||
771 | { |
||
772 | $msg = join(', ', $this->commands); |
||
773 | if (count($this->external) > 0) { |
||
774 | $msg .= ', ' . join(', ', array_keys($this->external)); |
||
775 | } |
||
776 | |||
777 | return $this->respond("Available commands: $msg"); |
||
778 | } |
||
779 | |||
780 | //end _help() |
||
781 | |||
782 | private function _version($params) |
||
783 | { |
||
784 | $versions = version_info(); |
||
785 | $schema_version = $versions['db_schema']; |
||
786 | $version = $versions['local_ver']; |
||
787 | |||
788 | $msg = $this->config['project_name'] . ', Version: ' . $version . ', DB schema: ' . $schema_version . ', PHP: ' . PHP_VERSION; |
||
789 | |||
790 | return $this->respond($msg); |
||
791 | } |
||
792 | |||
793 | //end _version() |
||
794 | |||
795 | private function _log($params) |
||
796 | { |
||
797 | $num = 1; |
||
798 | $hostname = ''; |
||
799 | $params = explode(' ', $params); |
||
800 | if ($params[0] > 1) { |
||
801 | $num = $params[0]; |
||
802 | } |
||
803 | if (strlen($params[1]) > 0) { |
||
804 | $hostname = preg_replace("/[^A-z0-9\.\-]/", '', $params[1]); |
||
805 | } |
||
806 | $hostname = $hostname . '%'; |
||
807 | if ($this->user['level'] < 5) { |
||
808 | $tmp = dbFetchRows('SELECT `event_id`, eventlog.device_id, devices.hostname, `datetime`,`message`, eventlog.type FROM `eventlog`, `devices` WHERE eventlog.device_id=devices.device_id and devices.hostname like "' . $hostname . '" and eventlog.device_id IN (' . implode(',', $this->user['devices']) . ') ORDER BY `event_id` DESC LIMIT ' . (int) $num); |
||
809 | } else { |
||
810 | $tmp = dbFetchRows('SELECT `event_id`, eventlog.device_id, devices.hostname, `datetime`,`message`, eventlog.type FROM `eventlog`, `devices` WHERE eventlog.device_id=devices.device_id and devices.hostname like "' . $hostname . '" ORDER BY `event_id` DESC LIMIT ' . (int) $num); |
||
811 | } |
||
812 | |||
813 | foreach ($tmp as $logline) { |
||
814 | $response = $logline['datetime'] . ' '; |
||
815 | $response .= $this->_color($logline['hostname'], null, null, 'bold') . ' '; |
||
816 | if ($this->config['irc_alert_utf8']) { |
||
817 | if (preg_match('/critical alert/', $logline['message'])) { |
||
818 | $response .= preg_replace('/critical alert/', $this->_color('critical alert', 'red'), $logline['message']) . ' '; |
||
819 | } elseif (preg_match('/warning alert/', $logline['message'])) { |
||
820 | $response .= preg_replace('/warning alert/', $this->_color('warning alert', 'yellow'), $logline['message']) . ' '; |
||
821 | } elseif (preg_match('/recovery/', $logline['message'])) { |
||
822 | $response .= preg_replace('/recovery/', $this->_color('recovery', 'green'), $logline['message']) . ' '; |
||
823 | } else { |
||
824 | $response .= $logline['message'] . ' '; |
||
825 | } |
||
826 | } else { |
||
827 | $response .= $logline['message'] . ' '; |
||
828 | } |
||
829 | if ($logline['type'] != 'NULL') { |
||
830 | $response .= $logline['type'] . ' '; |
||
831 | } |
||
832 | if ($this->config['irc_floodlimit'] > 100) { |
||
833 | $this->floodcount += strlen($response); |
||
834 | } elseif ($this->config['irc_floodlimit'] > 1) { |
||
835 | $this->floodcount += 1; |
||
836 | } |
||
837 | if (($this->config['irc_floodlimit'] > 0) && ($this->floodcount > $this->config['irc_floodlimit'])) { |
||
838 | $this->ircRaw('BOTFLOODCHECK'); |
||
839 | sleep(2); |
||
840 | $this->floodcount = 0; |
||
841 | } |
||
842 | $this->respond($response); |
||
843 | } |
||
844 | |||
845 | if (! $tmp) { |
||
846 | $this->respond('Nothing to see, maybe a bug?'); |
||
847 | } |
||
848 | |||
849 | return true; |
||
850 | } |
||
851 | |||
852 | //end _log() |
||
853 | |||
854 | private function _down($params) |
||
855 | { |
||
856 | if ($this->user['level'] < 5) { |
||
857 | $tmp = dbFetchRows('SELECT `hostname` FROM `devices` WHERE status=0 AND `device_id` IN (' . implode(',', $this->user['devices']) . ')'); |
||
858 | } else { |
||
859 | $tmp = dbFetchRows('SELECT `hostname` FROM `devices` WHERE status=0'); |
||
860 | } |
||
861 | |||
862 | $msg = ''; |
||
863 | foreach ($tmp as $db) { |
||
864 | if ($db['hostname']) { |
||
865 | $msg .= ', ' . $db['hostname']; |
||
866 | } |
||
867 | } |
||
868 | |||
869 | $msg = substr($msg, 2); |
||
870 | $msg = $msg ? $msg : 'Nothing to show :)'; |
||
871 | |||
872 | return $this->respond($msg); |
||
873 | } |
||
874 | |||
875 | //end _down() |
||
876 | |||
877 | private function _device($params) |
||
878 | { |
||
879 | $params = explode(' ', $params); |
||
880 | $hostname = $params[0]; |
||
881 | $device = dbFetchRow('SELECT * FROM `devices` WHERE `hostname` = ?', [$hostname]); |
||
882 | if (! $device) { |
||
883 | return $this->respond('Error: Bad or Missing hostname, use .listdevices to show all devices.'); |
||
884 | } |
||
885 | |||
886 | if ($this->user['level'] < 5 && ! in_array($device['device_id'], $this->user['devices'])) { |
||
887 | return $this->respond('Error: Permission denied.'); |
||
888 | } |
||
889 | |||
890 | $status = $device['status'] ? 'Up ' . Time::formatInterval($device['uptime']) : 'Down'; |
||
891 | $status .= $device['ignore'] ? '*Ignored*' : ''; |
||
892 | $status .= $device['disabled'] ? '*Disabled*' : ''; |
||
893 | |||
894 | return $this->respond($device['os'] . ' ' . $device['version'] . ' ' . $device['features'] . ' ' . $status); |
||
895 | } |
||
896 | |||
897 | //end _device() |
||
898 | |||
899 | private function _port($params) |
||
900 | { |
||
901 | $params = explode(' ', $params); |
||
902 | $hostname = $params[0]; |
||
903 | $ifname = $params[1]; |
||
904 | if (! $hostname || ! $ifname) { |
||
905 | return $this->respond('Error: Missing hostname or ifname.'); |
||
906 | } |
||
907 | |||
908 | $device = dbFetchRow('SELECT * FROM `devices` WHERE `hostname` = ?', [$hostname]); |
||
909 | $port = dbFetchRow('SELECT * FROM `ports` WHERE (`ifName` = ? OR `ifDescr` = ?) AND device_id = ?', [$ifname, $ifname, $device['device_id']]); |
||
910 | if ($this->user['level'] < 5 && ! in_array($port['port_id'], $this->user['ports']) && ! in_array($device['device_id'], $this->user['devices'])) { |
||
911 | return $this->respond('Error: Permission denied.'); |
||
912 | } |
||
913 | |||
914 | $bps_in = Number::formatSi($port['ifInOctets_rate'] * 8, 2, 3, 'bps'); |
||
915 | $bps_out = Number::formatSi($port['ifOutOctets_rate'] * 8, 2, 3, 'bps'); |
||
916 | $pps_in = Number::formatBi($port['ifInUcastPkts_rate'], 2, 3, 'pps'); |
||
917 | $pps_out = Number::formatBi($port['ifOutUcastPkts_rate'], 2, 3, 'pps'); |
||
918 | |||
919 | return $this->respond($port['ifAdminStatus'] . '/' . $port['ifOperStatus'] . ' ' . $bps_in . ' > bps > ' . $bps_out . ' | ' . $pps_in . ' > PPS > ' . $pps_out); |
||
920 | } |
||
921 | |||
922 | //end _port() |
||
923 | |||
924 | private function _listdevices($params) |
||
925 | { |
||
926 | if ($this->user['level'] < 5) { |
||
927 | $tmp = dbFetchRows('SELECT `hostname` FROM `devices` WHERE `device_id` IN (' . implode(',', $this->user['devices']) . ')'); |
||
928 | } else { |
||
929 | $tmp = dbFetchRows('SELECT `hostname` FROM `devices`'); |
||
930 | } |
||
931 | |||
932 | $msg = ''; |
||
933 | foreach ($tmp as $device) { |
||
934 | $msg .= ', ' . $device['hostname']; |
||
935 | } |
||
936 | |||
937 | $msg = substr($msg, 2); |
||
938 | $msg = $msg ? $msg : 'Nothing to show..?'; |
||
939 | |||
940 | return $this->respond($msg); |
||
941 | } |
||
942 | |||
943 | //end _listdevices() |
||
944 | |||
945 | private function _status($params) |
||
946 | { |
||
947 | $params = explode(' ', $params); |
||
948 | $statustype = $params[0]; |
||
949 | |||
950 | $d_w = ''; |
||
951 | $d_a = ''; |
||
952 | $p_w = ''; |
||
953 | $p_a = ''; |
||
954 | if ($this->user['level'] < 5) { |
||
955 | $d_w = ' WHERE device_id IN (' . implode(',', $this->user['devices']) . ')'; |
||
956 | $d_a = ' AND device_id IN (' . implode(',', $this->user['devices']) . ')'; |
||
957 | $p_w = ' WHERE port_id IN (' . implode(',', $this->user['ports']) . ') OR device_id IN (' . implode(',', $this->user['devices']) . ')'; |
||
958 | $p_a = ' AND (I.port_id IN (' . implode(',', $this->user['ports']) . ') OR I.device_id IN (' . implode(',', $this->user['devices']) . '))'; |
||
959 | } |
||
960 | |||
961 | switch ($statustype) { |
||
962 | case 'devices': |
||
963 | case 'device': |
||
964 | case 'dev': |
||
965 | $devcount = dbFetchCell('SELECT count(*) FROM devices' . $d_w); |
||
966 | $devup = dbFetchCell("SELECT count(*) FROM devices WHERE status = '1' AND `ignore` = '0'" . $d_a); |
||
967 | $devdown = dbFetchCell("SELECT count(*) FROM devices WHERE status = '0' AND `ignore` = '0'" . $d_a); |
||
968 | $devign = dbFetchCell("SELECT count(*) FROM devices WHERE `ignore` = '1'" . $d_a); |
||
969 | $devdis = dbFetchCell("SELECT count(*) FROM devices WHERE `disabled` = '1'" . $d_a); |
||
970 | if ($devup > 0) { |
||
971 | $devup = $this->_color($devup, 'green'); |
||
972 | } |
||
973 | if ($devdown > 0) { |
||
974 | $devdown = $this->_color($devdown, 'red'); |
||
975 | $devcount = $this->_color($devcount, 'yellow', null, 'bold'); |
||
976 | } else { |
||
977 | $devcount = $this->_color($devcount, 'green', null, 'bold'); |
||
978 | } |
||
979 | $msg = 'Devices: ' . $devcount . ' (' . $devup . ' up, ' . $devdown . ' down, ' . $devign . ' ignored, ' . $devdis . ' disabled' . ')'; |
||
980 | break; |
||
981 | |||
982 | case 'ports': |
||
983 | case 'port': |
||
984 | case 'prt': |
||
985 | $prtcount = dbFetchCell('SELECT count(*) FROM ports' . $p_w); |
||
986 | $prtup = dbFetchCell("SELECT count(*) FROM ports AS I, devices AS D WHERE I.ifOperStatus = 'up' AND I.ignore = '0' AND I.device_id = D.device_id AND D.ignore = '0'" . $p_a); |
||
987 | $prtdown = dbFetchCell("SELECT count(*) FROM ports AS I, devices AS D WHERE I.ifOperStatus = 'down' AND I.ifAdminStatus = 'up' AND I.ignore = '0' AND D.device_id = I.device_id AND D.ignore = '0'" . $p_a); |
||
988 | $prtsht = dbFetchCell("SELECT count(*) FROM ports AS I, devices AS D WHERE I.ifAdminStatus = 'down' AND I.ignore = '0' AND D.device_id = I.device_id AND D.ignore = '0'" . $p_a); |
||
989 | $prtign = dbFetchCell("SELECT count(*) FROM ports AS I, devices AS D WHERE D.device_id = I.device_id AND (I.ignore = '1' OR D.ignore = '1')" . $p_a); |
||
990 | // $prterr = dbFetchCell("SELECT count(*) FROM ports AS I, devices AS D WHERE D.device_id = I.device_id AND (I.ignore = '0' OR D.ignore = '0') AND (I.ifInErrors_delta > '0' OR I.ifOutErrors_delta > '0')".$p_a); |
||
991 | if ($prtup > 0) { |
||
992 | $prtup = $this->_color($prtup, 'green'); |
||
993 | } |
||
994 | if ($prtdown > 0) { |
||
995 | $prtdown = $this->_color($prtdown, 'red'); |
||
996 | $prtcount = $this->_color($prtcount, 'yellow', null, 'bold'); |
||
997 | } else { |
||
998 | $prtcount = $this->_color($prtcount, 'green', null, 'bold'); |
||
999 | } |
||
1000 | $msg = 'Ports: ' . $prtcount . ' (' . $prtup . ' up, ' . $prtdown . ' down, ' . $prtign . ' ignored, ' . $prtsht . ' shutdown' . ')'; |
||
1001 | break; |
||
1002 | |||
1003 | case 'services': |
||
1004 | case 'service': |
||
1005 | case 'srv': |
||
1006 | $status_counts = []; |
||
1007 | $status_colors = [0 => 'green', 3 => 'lightblue', 1 => 'yellow', 2 => 'red']; |
||
1008 | $srvcount = dbFetchCell('SELECT COUNT(*) FROM services' . $d_w); |
||
1009 | $srvign = dbFetchCell('SELECT COUNT(*) FROM services WHERE service_ignore = 1' . $d_a); |
||
1010 | $srvdis = dbFetchCell('SELECT COUNT(*) FROM services WHERE service_disabled = 1' . $d_a); |
||
1011 | $service_status = dbFetchRows("SELECT `service_status`, COUNT(*) AS `count` FROM `services` WHERE `service_disabled`=0 AND `service_ignore`=0 $d_a GROUP BY `service_status`"); |
||
1012 | $service_status = array_column($service_status, 'count', 'service_status'); // key by status |
||
1013 | |||
1014 | foreach ($status_colors as $status => $color) { |
||
1015 | if (isset($service_status[$status])) { |
||
1016 | $status_counts[$status] = $this->_color($service_status[$status], $color); |
||
1017 | $srvcount = $this->_color($srvcount, $color, null, 'bold'); // upgrade the main count color |
||
1018 | } else { |
||
1019 | $status_counts[$status] = 0; |
||
1020 | } |
||
1021 | } |
||
1022 | |||
1023 | $msg = "Services: $srvcount ({$status_counts[0]} up, {$status_counts[2]} down, {$status_counts[1]} warning, {$status_counts[3]} unknown, $srvign ignored, $srvdis disabled)"; |
||
1024 | break; |
||
1025 | |||
1026 | default: |
||
1027 | $msg = 'Error: STATUS requires one of the following: <devices|device|dev>|<ports|port|prt>|<services|service|src>'; |
||
1028 | break; |
||
1029 | }//end switch |
||
1030 | |||
1031 | return $this->respond($msg); |
||
1032 | } |
||
1033 | |||
1034 | //end _status() |
||
1035 | |||
1036 | private function _color($text, $fg_color, $bg_color = null, $other = null) |
||
1037 | { |
||
1038 | $colors = [ |
||
1039 | 'white' => '00', |
||
1040 | 'black' => '01', |
||
1041 | 'blue' => '02', |
||
1042 | 'green' => '03', |
||
1043 | 'red' => '04', |
||
1044 | 'brown' => '05', |
||
1045 | 'purple' => '06', |
||
1046 | 'orange' => '07', |
||
1047 | 'yellow' => '08', |
||
1048 | 'lightgreen' => '09', |
||
1049 | 'cyan' => '10', |
||
1050 | 'lightcyan' => '11', |
||
1051 | 'lightblue' => '12', |
||
1052 | 'pink' => '13', |
||
1053 | 'grey' => '14', |
||
1054 | 'lightgrey' => '15', |
||
1055 | ]; |
||
1056 | $ret = chr(3); |
||
1057 | if (array_key_exists($fg_color, $colors)) { |
||
1058 | $ret .= $colors[$fg_color]; |
||
1059 | if (array_key_exists($bg_color, $colors)) { |
||
1060 | $ret .= ',' . $colors[$fg_color]; |
||
1061 | } |
||
1062 | } |
||
1063 | switch ($other) { |
||
1064 | case 'bold': |
||
1065 | $ret .= chr(2); |
||
1066 | break; |
||
1067 | case 'underline': |
||
1068 | $ret .= chr(31); |
||
1069 | break; |
||
1070 | case 'italics': |
||
1071 | case 'reverse': |
||
1072 | $ret .= chr(22); |
||
1073 | break; |
||
1074 | } |
||
1075 | $ret .= $text; |
||
1076 | $ret .= chr(15); |
||
1077 | |||
1078 | return $ret; |
||
1079 | } |
||
1080 | |||
1081 | // end _color |
||
1082 | |||
1083 | private function _html2irc($string) |
||
1084 | { |
||
1085 | $string = urldecode($string); |
||
1086 | $string = preg_replace('#<b>#i', chr(2), $string); |
||
1087 | $string = preg_replace('#</b>#i', chr(2), $string); |
||
1088 | $string = preg_replace('#<i>#i', chr(22), $string); |
||
1089 | $string = preg_replace('#</i>#i', chr(22), $string); |
||
1090 | $string = preg_replace('#<u>#i', chr(31), $string); |
||
1091 | $string = preg_replace('#</u>#i', chr(31), $string); |
||
1092 | |||
1093 | $colors = [ |
||
1094 | 'white' => '00', |
||
1095 | 'black' => '01', |
||
1096 | 'blue' => '02', |
||
1097 | 'green' => '03', |
||
1098 | 'red' => '04', |
||
1099 | 'brown' => '05', |
||
1100 | 'purple' => '06', |
||
1101 | 'orange' => '07', |
||
1102 | 'yellow' => '08', |
||
1103 | 'lightgreen' => '09', |
||
1104 | 'cyan' => '10', |
||
1105 | 'lightcyan' => '11', |
||
1106 | 'lightblue' => '12', |
||
1107 | 'pink' => '13', |
||
1108 | 'grey' => '14', |
||
1109 | 'lightgrey' => '15', |
||
1110 | ]; |
||
1111 | |||
1112 | foreach ($colors as $color => $code) { |
||
1113 | $string = preg_replace("#<$color>#i", chr(3) . $code, $string); |
||
1114 | $string = preg_replace("#</$color>#i", chr(3), $string); |
||
1115 | } |
||
1116 | |||
1117 | return $string; |
||
1118 | } |
||
1119 | |||
1120 | // end _html2irc |
||
1121 | }//end class |
||
1122 |