1 | use strict; |
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2 | use warnings; |
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3 | |
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4 | package BarnOwl::Module::IRC; |
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5 | |
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6 | =head1 NAME |
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7 | |
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8 | BarnOwl::Module::IRC |
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9 | |
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10 | =head1 DESCRIPTION |
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11 | |
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12 | This module implements IRC support for barnowl. |
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13 | |
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14 | =cut |
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15 | |
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16 | use BarnOwl; |
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17 | use BarnOwl::Hooks; |
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18 | use BarnOwl::Message::IRC; |
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19 | use BarnOwl::Module::IRC::Connection qw(is_private); |
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20 | use BarnOwl::Module::IRC::Completion; |
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21 | |
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22 | use Net::IRC; |
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23 | use Getopt::Long; |
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24 | |
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25 | our $VERSION = 0.02; |
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26 | |
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27 | our $irc; |
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28 | |
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29 | # Hash alias -> BarnOwl::Module::IRC::Connection object |
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30 | our %ircnets; |
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31 | our %channels; |
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32 | |
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33 | sub startup { |
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34 | BarnOwl::new_variable_string('irc:nick', { |
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35 | default => $ENV{USER}, |
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36 | summary => 'The default IRC nickname', |
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37 | description => 'By default, irc-connect will use this nick ' . |
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38 | 'when connecting to a new server. See :help irc-connect for ' . |
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39 | 'more information.' |
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40 | }); |
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41 | |
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42 | BarnOwl::new_variable_string('irc:user', { |
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43 | default => $ENV{USER}, |
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44 | summary => 'The IRC "username" field' |
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45 | }); |
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46 | BarnOwl::new_variable_string('irc:name', { |
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47 | default => "", |
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48 | summary => 'A short name field for IRC', |
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49 | description => 'A short (maybe 60 or so chars) piece of text, ' . |
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50 | 'originally intended to display your real name, which people ' . |
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51 | 'often use for pithy quotes and URLs.' |
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52 | }); |
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53 | |
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54 | BarnOwl::new_variable_bool('irc:spew', { |
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55 | default => 0, |
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56 | summary => 'Show unhandled IRC events', |
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57 | description => 'If set, display all unrecognized IRC events as ' . |
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58 | 'admin messages. Intended for debugging and development use only ' |
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59 | }); |
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60 | |
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61 | register_commands(); |
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62 | register_handlers(); |
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63 | BarnOwl::filter(qw{irc type ^IRC$ or ( type ^admin$ and adminheader ^IRC$ )}); |
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64 | } |
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65 | |
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66 | sub shutdown { |
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67 | for my $conn (values %ircnets) { |
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68 | $conn->conn->disconnect(); |
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69 | } |
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70 | } |
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71 | |
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72 | sub quickstart { |
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73 | return <<'END_QUICKSTART'; |
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74 | @b[IRC:] |
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75 | Use ':irc-connect @b[server]' to connect to an IRC server, and |
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76 | ':irc-join @b[#channel]' to join a channel. ':irc-msg @b[#channel] |
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77 | @b[message]' sends a message to a channel. |
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78 | END_QUICKSTART |
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79 | } |
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80 | |
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81 | #sub mainloop_hook { |
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82 | # return unless defined $irc; |
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83 | # eval { |
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84 | # $irc->do_one_loop(); |
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85 | # }; |
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86 | # return; |
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87 | #} |
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88 | |
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89 | sub OwlProcess { |
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90 | return unless defined $irc; |
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91 | eval { |
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92 | $irc->do_one_loop(); |
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93 | }; |
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94 | return; |
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95 | } |
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96 | |
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97 | |
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98 | sub register_handlers { |
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99 | if(!$irc) { |
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100 | $irc = Net::IRC->new; |
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101 | $irc->timeout(0); |
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102 | } |
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103 | } |
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104 | |
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105 | use constant OPTIONAL_CHANNEL => 1; |
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106 | use constant REQUIRE_CHANNEL => 2; |
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107 | |
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108 | sub register_commands { |
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109 | BarnOwl::new_command( |
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110 | 'irc-connect' => \&cmd_connect, |
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111 | { |
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112 | summary => 'Connect to an IRC server', |
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113 | usage => |
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114 | 'irc-connect [-a ALIAS ] [-s] [-p PASSWORD] [-n NICK] SERVER [port]', |
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115 | description => |
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116 | |
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117 | <<END_DESCR |
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118 | Connect to an IRC server. Supported options are |
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119 | |
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120 | -a <alias> Define an alias for this server |
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121 | -s Use SSL |
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122 | -p <password> Specify the password to use |
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123 | -n <nick> Use a non-default nick |
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124 | |
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125 | The -a option specifies an alias to use for this connection. This |
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126 | alias can be passed to the '-a' argument of any other IRC command to |
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127 | control which connection it operates on. |
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128 | |
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129 | For servers with hostnames of the form "irc.FOO.{com,org,...}", the |
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130 | alias will default to "FOO"; For other servers the full hostname is |
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131 | used. |
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132 | END_DESCR |
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133 | } |
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134 | ); |
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135 | |
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136 | BarnOwl::new_command( |
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137 | 'irc-disconnect' => mk_irc_command( \&cmd_disconnect ), |
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138 | { |
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139 | summary => 'Disconnect from an IRC server', |
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140 | usage => 'irc-disconnect [-a ALIAS]', |
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141 | |
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142 | description => <<END_DESCR |
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143 | Disconnect from an IRC server. You can specify a specific server with |
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144 | "-a SERVER-ALIAS" if necessary. |
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145 | END_DESCR |
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146 | } |
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147 | ); |
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148 | |
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149 | BarnOwl::new_command( |
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150 | 'irc-msg' => mk_irc_command( \&cmd_msg ), |
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151 | { |
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152 | summary => 'Send an IRC message', |
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153 | usage => 'irc-msg [-a ALIAS] DESTINATION MESSAGE', |
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154 | |
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155 | description => <<END_DESCR |
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156 | Send an IRC message |
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157 | END_DESCR |
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158 | } |
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159 | ); |
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160 | |
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161 | BarnOwl::new_command( |
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162 | 'irc-mode' => mk_irc_command( \&cmd_mode, OPTIONAL_CHANNEL ), |
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163 | { |
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164 | summary => 'Change an IRC channel or user mode', |
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165 | usage => 'irc-mode [-a ALIAS] TARGET [+-]MODE OPTIONS', |
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166 | |
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167 | description => <<END_DESCR |
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168 | |
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169 | Change the mode of an IRC user or channel. |
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170 | END_DESCR |
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171 | } |
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172 | ); |
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173 | |
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174 | BarnOwl::new_command( |
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175 | 'irc-join' => mk_irc_command( \&cmd_join ), |
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176 | { |
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177 | summary => 'Join an IRC channel', |
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178 | usage => 'irc-join [-a ALIAS] #channel [KEY]', |
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179 | |
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180 | description => <<END_DESCR |
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181 | |
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182 | Join an IRC channel. |
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183 | END_DESCR |
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184 | } |
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185 | ); |
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186 | |
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187 | BarnOwl::new_command( |
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188 | 'irc-part' => mk_irc_command( \&cmd_part, REQUIRE_CHANNEL ), |
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189 | { |
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190 | summary => 'Leave an IRC channel', |
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191 | usage => 'irc-part [-a ALIAS] #channel', |
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192 | |
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193 | description => <<END_DESCR |
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194 | |
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195 | Part from an IRC channel. |
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196 | END_DESCR |
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197 | } |
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198 | ); |
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199 | |
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200 | BarnOwl::new_command( |
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201 | 'irc-nick' => mk_irc_command( \&cmd_nick ), |
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202 | { |
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203 | summary => 'Change your IRC nick on an existing connection.', |
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204 | usage => 'irc-nick [-a ALIAS] NEW-NICK', |
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205 | |
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206 | description => <<END_DESCR |
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207 | |
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208 | Set your IRC nickname on an existing connect. To change it prior to |
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209 | connecting, adjust the `irc:nick' variable. |
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210 | END_DESCR |
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211 | } |
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212 | ); |
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213 | |
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214 | BarnOwl::new_command( |
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215 | 'irc-names' => mk_irc_command( \&cmd_names, REQUIRE_CHANNEL ), |
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216 | { |
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217 | summary => 'View the list of users in a channel', |
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218 | usage => 'irc-names [-a ALIAS] #channel', |
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219 | |
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220 | description => <<END_DESCR |
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221 | |
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222 | `irc-names' displays the list of users in a given channel in a pop-up |
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223 | window. |
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224 | END_DESCR |
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225 | } |
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226 | ); |
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227 | |
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228 | BarnOwl::new_command( |
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229 | 'irc-whois' => mk_irc_command( \&cmd_whois ), |
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230 | { |
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231 | summary => 'Displays information about a given IRC user', |
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232 | usage => 'irc-whois [-a ALIAS] NICK', |
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233 | |
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234 | description => <<END_DESCR |
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235 | |
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236 | Pops up information about a given IRC user. |
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237 | END_DESCR |
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238 | } |
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239 | ); |
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240 | |
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241 | BarnOwl::new_command( |
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242 | 'irc-motd' => mk_irc_command( \&cmd_motd ), |
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243 | { |
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244 | summary => 'Displays an IRC server\'s MOTD (Message of the Day)', |
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245 | usage => 'irc-motd [-a ALIAS]', |
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246 | |
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247 | description => <<END_DESCR |
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248 | |
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249 | Displays an IRC server's message of the day. |
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250 | END_DESCR |
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251 | } |
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252 | ); |
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253 | |
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254 | BarnOwl::new_command( |
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255 | 'irc-list' => \&cmd_list, |
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256 | { |
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257 | summary => 'Show all the active IRC connections.', |
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258 | usage => 'irc-list', |
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259 | |
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260 | description => <<END_DESCR |
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261 | |
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262 | Show all the currently active IRC connections with their aliases and |
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263 | server names. |
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264 | END_DESCR |
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265 | } |
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266 | ); |
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267 | |
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268 | BarnOwl::new_command( 'irc-who' => mk_irc_command( \&cmd_who ) ); |
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269 | BarnOwl::new_command( 'irc-stats' => mk_irc_command( \&cmd_stats ) ); |
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270 | |
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271 | BarnOwl::new_command( |
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272 | 'irc-topic' => mk_irc_command( \&cmd_topic, REQUIRE_CHANNEL ), |
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273 | { |
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274 | summary => 'View or change the topic of an IRC channel', |
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275 | usage => 'irc-topic [-a ALIAS] #channel [TOPIC]', |
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276 | |
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277 | description => <<END_DESCR |
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278 | |
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279 | Without extra arguments, fetches and displays a given channel's topic. |
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280 | |
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281 | With extra arguments, changes the target channel's topic string. This |
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282 | may require +o on some channels. |
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283 | END_DESCR |
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284 | } |
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285 | ); |
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286 | |
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287 | BarnOwl::new_command( |
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288 | 'irc-quote' => mk_irc_command( \&cmd_quote ), |
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289 | { |
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290 | summary => 'Send a raw command to the IRC servers.', |
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291 | usage => 'irc-quote [-a ALIAS] TEXT', |
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292 | |
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293 | description => <<END_DESCR |
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294 | |
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295 | Send a raw command line to an IRC server. |
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296 | |
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297 | This can be used to perform some operation not yet supported by |
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298 | BarnOwl, or to define new IRC commands. |
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299 | END_DESCR |
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300 | } |
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301 | ); |
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302 | } |
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303 | |
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304 | |
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305 | $BarnOwl::Hooks::startup->add('BarnOwl::Module::IRC::startup'); |
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306 | $BarnOwl::Hooks::shutdown->add('BarnOwl::Module::IRC::shutdown'); |
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307 | $BarnOwl::Hooks::getQuickstart->add('BarnOwl::Module::IRC::quickstart'); |
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308 | |
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309 | ################################################################################ |
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310 | ######################## Owl command handlers ################################## |
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311 | ################################################################################ |
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312 | |
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313 | sub cmd_connect { |
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314 | my $cmd = shift; |
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315 | |
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316 | my $nick = BarnOwl::getvar('irc:nick'); |
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317 | my $username = BarnOwl::getvar('irc:user'); |
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318 | my $ircname = BarnOwl::getvar('irc:name'); |
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319 | my $host; |
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320 | my $port; |
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321 | my $alias; |
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322 | my $ssl; |
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323 | my $password = undef; |
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324 | |
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325 | { |
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326 | local @ARGV = @_; |
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327 | GetOptions( |
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328 | "alias=s" => \$alias, |
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329 | "ssl" => \$ssl, |
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330 | "password=s" => \$password, |
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331 | "nick=s" => \$nick, |
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332 | ); |
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333 | $host = shift @ARGV or die("Usage: $cmd HOST\n"); |
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334 | if(!$alias) { |
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335 | if($host =~ /^(?:irc[.])?([\w-]+)[.]\w+$/) { |
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336 | $alias = $1; |
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337 | } else { |
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338 | $alias = $host; |
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339 | } |
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340 | } |
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341 | $ssl ||= 0; |
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342 | $port = shift @ARGV || ($ssl ? 6697 : 6667); |
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343 | } |
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344 | |
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345 | if(exists $ircnets{$alias}) { |
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346 | die("Already connected to a server with alias '$alias'. Either disconnect or specify an alias with -a.\n"); |
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347 | } |
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348 | |
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349 | my $conn = BarnOwl::Module::IRC::Connection->new($irc, $alias, |
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350 | Nick => $nick, |
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351 | Server => $host, |
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352 | Port => $port, |
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353 | Username => $username, |
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354 | Ircname => $ircname, |
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355 | Port => $port, |
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356 | Password => $password, |
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357 | SSL => $ssl |
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358 | ); |
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359 | |
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360 | if ($conn->conn->connected) { |
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361 | BarnOwl::admin_message("IRC", "Connected to $alias as $nick"); |
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362 | $ircnets{$alias} = $conn; |
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363 | my $fd = $conn->getSocket()->fileno(); |
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364 | BarnOwl::add_dispatch($fd, \&OwlProcess); |
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365 | $conn->{FD} = $fd; |
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366 | } else { |
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367 | die("IRC::Connection->connect failed: $!"); |
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368 | } |
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369 | |
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370 | return; |
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371 | } |
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372 | |
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373 | sub cmd_disconnect { |
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374 | my $cmd = shift; |
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375 | my $conn = shift; |
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376 | $conn->conn->disconnect; |
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377 | delete $ircnets{$conn->alias}; |
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378 | return; |
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379 | } |
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380 | |
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381 | sub cmd_msg { |
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382 | my $cmd = shift; |
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383 | my $conn = shift; |
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384 | my $to = shift or die("Usage: $cmd [NICK|CHANNEL]\n"); |
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385 | # handle multiple recipients? |
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386 | if(@_) { |
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387 | process_msg($conn, $to, join(" ", @_)); |
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388 | } else { |
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389 | BarnOwl::start_edit_win(BarnOwl::quote('/msg', '-a', $conn->alias, $to), sub {process_msg($conn, $to, @_)}); |
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390 | } |
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391 | return; |
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392 | } |
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393 | |
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394 | sub process_msg { |
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395 | my $conn = shift; |
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396 | my $to = shift; |
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397 | my $body = shift; |
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398 | # Strip whitespace. In the future -- send one message/line? |
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399 | $body =~ tr/\n\r/ /; |
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400 | if ($body =~ /^\/me (.*)/) { |
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401 | $conn->conn->me($to, Encode::encode('utf-8', $1)); |
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402 | $body = '* '.$conn->nick.' '.$1; |
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403 | } else { |
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404 | $conn->conn->privmsg($to, Encode::encode('utf-8', $body)); |
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405 | } |
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406 | my $msg = BarnOwl::Message->new( |
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407 | type => 'IRC', |
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408 | direction => is_private($to) ? 'out' : 'in', |
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409 | server => $conn->server, |
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410 | network => $conn->alias, |
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411 | recipient => $to, |
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412 | body => $body, |
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413 | sender => $conn->nick, |
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414 | is_private($to) ? |
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415 | (isprivate => 'true') : (channel => $to), |
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416 | replycmd => BarnOwl::quote('irc-msg', '-a', $conn->alias, $to), |
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417 | replysendercmd => BarnOwl::quote('irc-msg', '-a', $conn->alias, $to), |
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418 | ); |
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419 | BarnOwl::queue_message($msg); |
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420 | return; |
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421 | } |
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422 | |
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423 | sub cmd_mode { |
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424 | my $cmd = shift; |
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425 | my $conn = shift; |
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426 | my $target = shift; |
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427 | $target ||= shift; |
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428 | $conn->conn->mode($target, @_); |
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429 | return; |
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430 | } |
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431 | |
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432 | sub cmd_join { |
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433 | my $cmd = shift; |
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434 | my $conn = shift; |
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435 | my $chan = shift or die("Usage: $cmd channel\n"); |
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436 | $channels{$chan} ||= []; |
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437 | push @{$channels{$chan}}, $conn; |
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438 | $conn->conn->join($chan, @_); |
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439 | return; |
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440 | } |
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441 | |
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442 | sub cmd_part { |
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443 | my $cmd = shift; |
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444 | my $conn = shift; |
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445 | my $chan = shift; |
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446 | $channels{$chan} = [grep {$_ ne $conn} @{$channels{$chan} || []}]; |
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447 | $conn->conn->part($chan); |
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448 | return; |
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449 | } |
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450 | |
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451 | sub cmd_nick { |
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452 | my $cmd = shift; |
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453 | my $conn = shift; |
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454 | my $nick = shift or die("Usage: $cmd <new nick>\n"); |
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455 | $conn->conn->nick($nick); |
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456 | return; |
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457 | } |
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458 | |
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459 | sub cmd_names { |
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460 | my $cmd = shift; |
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461 | my $conn = shift; |
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462 | my $chan = shift; |
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463 | $conn->names_tmp([]); |
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464 | $conn->conn->names($chan); |
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465 | return; |
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466 | } |
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467 | |
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468 | sub cmd_whois { |
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469 | my $cmd = shift; |
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470 | my $conn = shift; |
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471 | my $who = shift || die("Usage: $cmd <user>\n"); |
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472 | $conn->conn->whois($who); |
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473 | return; |
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474 | } |
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475 | |
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476 | sub cmd_motd { |
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477 | my $cmd = shift; |
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478 | my $conn = shift; |
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479 | $conn->conn->motd; |
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480 | return; |
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481 | } |
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482 | |
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483 | sub cmd_list { |
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484 | my $cmd = shift; |
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485 | my $message = BarnOwl::Style::boldify('Current IRC networks:') . "\n"; |
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486 | while (my ($alias, $conn) = each %ircnets) { |
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487 | $message .= ' ' . $alias . ' => ' . $conn->nick . '@' . $conn->server . "\n"; |
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488 | } |
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489 | BarnOwl::popless_ztext($message); |
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490 | return; |
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491 | } |
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492 | |
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493 | sub cmd_who { |
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494 | my $cmd = shift; |
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495 | my $conn = shift; |
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496 | my $who = shift || die("Usage: $cmd <user>\n"); |
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497 | BarnOwl::error("WHO $cmd $conn $who"); |
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498 | $conn->conn->who($who); |
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499 | return; |
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500 | } |
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501 | |
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502 | sub cmd_stats { |
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503 | my $cmd = shift; |
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504 | my $conn = shift; |
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505 | my $type = shift || die("Usage: $cmd <chiklmouy> [server] \n"); |
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506 | $conn->conn->stats($type, @_); |
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507 | return; |
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508 | } |
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509 | |
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510 | sub cmd_topic { |
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511 | my $cmd = shift; |
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512 | my $conn = shift; |
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513 | my $chan = shift; |
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514 | $conn->conn->topic($chan, @_ ? join(" ", @_) : undef); |
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515 | return; |
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516 | } |
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517 | |
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518 | sub cmd_quote { |
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519 | my $cmd = shift; |
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520 | my $conn = shift; |
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521 | $conn->conn->sl(join(" ", @_)); |
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522 | return; |
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523 | } |
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524 | |
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525 | ################################################################################ |
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526 | ########################### Utilities/Helpers ################################## |
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527 | ################################################################################ |
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528 | |
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529 | sub mk_irc_command { |
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530 | my $sub = shift; |
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531 | my $use_channel = shift || 0; |
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532 | return sub { |
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533 | my $cmd = shift; |
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534 | my $conn; |
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535 | my $alias; |
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536 | my $channel; |
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537 | my $getopt = Getopt::Long::Parser->new; |
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538 | my $m = BarnOwl::getcurmsg(); |
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539 | |
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540 | local @ARGV = @_; |
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541 | $getopt->configure(qw(pass_through permute no_getopt_compat prefix_pattern=-|--)); |
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542 | $getopt->getoptions("alias=s" => \$alias); |
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543 | |
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544 | if(defined($alias)) { |
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545 | $conn = get_connection_by_alias($alias); |
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546 | } |
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547 | if(!$conn && $use_channel) { |
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548 | $channel = $ARGV[0]; |
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549 | if(defined($channel) && $channel =~ /^#/) { |
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550 | if($channels{$channel} && @{$channels{$channel}} == 1) { |
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551 | shift @ARGV; |
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552 | $conn = $channels{$channel}[0]; |
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553 | } |
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554 | } else { |
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555 | if($m && $m->type eq 'IRC' && !$m->is_private) { |
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556 | $channel = $m->channel; |
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557 | } else { |
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558 | undef $channel; |
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559 | } |
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560 | } |
---|
561 | } |
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562 | if(!$channel && $use_channel == REQUIRE_CHANNEL) { |
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563 | die("Usage: $cmd <channel>\n"); |
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564 | } |
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565 | if(!$conn) { |
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566 | if($m && $m->type eq 'IRC') { |
---|
567 | $conn = get_connection_by_alias($m->network); |
---|
568 | } |
---|
569 | } |
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570 | if(!$conn && scalar keys %ircnets == 1) { |
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571 | $conn = [values(%ircnets)]->[0]; |
---|
572 | } |
---|
573 | if(!$conn) { |
---|
574 | die("You must specify an IRC network using -a.\n"); |
---|
575 | } |
---|
576 | if($use_channel) { |
---|
577 | $sub->($cmd, $conn, $channel, @ARGV); |
---|
578 | } else { |
---|
579 | $sub->($cmd, $conn, @ARGV); |
---|
580 | } |
---|
581 | }; |
---|
582 | } |
---|
583 | |
---|
584 | sub get_connection_by_alias { |
---|
585 | my $key = shift; |
---|
586 | die("No such ircnet: $key\n") unless exists $ircnets{$key}; |
---|
587 | return $ircnets{$key}; |
---|
588 | } |
---|
589 | |
---|
590 | 1; |
---|