Mercurial > hg > egg-tcls
annotate urllog.tcl @ 583:d5fc3ecee4c7
urllog: Handle 303 redirects.
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Sun, 10 Jan 2021 14:57:30 +0200 |
| parents | 148c7553c50f |
| children | 9b64f201b3a7 |
| rev | line source |
|---|---|
| 0 | 1 ########################################################################## |
| 2 # | |
| 573 | 3 # URLLog v2.5.1 by Matti 'ccr' Hamalainen <ccr@tnsp.org> |
| 578 | 4 # (C) Copyright 2000-2021 Tecnic Software productions (TNSP) |
| 0 | 5 # |
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6 # This script is freely distributable under GNU GPL (version 2) license. |
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7 # |
| 0 | 8 ########################################################################## |
| 9 # | |
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10 # NOTICE! NOTICE! This script REQUIRES tcl-tls 1.7.13+ if you wish to |
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11 # support SSL/TLS https for URL checking. And you probably do. |
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12 # |
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13 # URL-logger script for EggDrop IRC robot, utilizing SQLite3 database |
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14 # This script requires SQLite TCL extension. Under Debian, you need: |
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15 # tcl8.5 libsqlite3-tcl (and eggdrop eggdrop-data, of course) |
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16 # |
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17 # If you are doing a fresh install, you will need to create the initial |
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18 # database with the required table schemas. You can do that by running |
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19 # "create_urllog_db.tcl". You also need to set up the configuration in |
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20 # "config.urllog" file. |
| 0 | 21 # |
| 22 ########################################################################## | |
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23 |
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24 ### The configuration should be in config.urllog in same directory |
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25 ### as this script. Or change the line below to point where ever |
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26 ### you wish. See "config.urllog.example" for an example config file. |
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27 source [file dirname [info script]]/config.urllog |
| 0 | 28 |
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29 ### Required utillib.tcl |
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30 source [file dirname [info script]]/utillib.tcl |
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31 |
| 0 | 32 |
| 33 ########################################################################## | |
| 34 # No need to look below this line | |
| 35 ########################################################################## | |
| 560 | 36 package require sqlite3 |
| 37 package require http | |
| 38 | |
| 0 | 39 set urllog_name "URLLog" |
| 573 | 40 set urllog_version "2.5.1" |
| 578 | 41 set urllog_message "$urllog_name v$urllog_version (C) 2000-2021 ccr/TNSP" |
| 560 | 42 |
| 0 | 43 |
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44 set urllog_httprep [split "\@|%40|{|%7B|}|%7D|\[|%5B|\]|%5D" "|"] |
| 561 | 45 set urllog_shorturl_str "ABCDEFGHIJKLNMOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" |
| 0 | 46 |
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47 |
| 0 | 48 ### Binding initializations |
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49 bind pub - !urlfind urllog_pub_cmd_urlfind |
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50 bind msg - !urlfind urllog_msg_cmd_urlfind |
| 249 | 51 bind pubm - *.* urllog_check_line |
| 52 bind topc - *.* urllog_check_line | |
| 0 | 53 |
| 54 | |
| 55 #------------------------------------------------------------------------- | |
| 56 ### Utility functions | |
| 560 | 57 proc urllog_log {umsg} { |
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58 global urllog_log_enable urllog_name |
| 0 | 59 |
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60 if {$urllog_log_enable != 0} { |
| 560 | 61 putlog "$urllog_name: $umsg" |
| 28 | 62 } |
| 0 | 63 } |
| 64 | |
| 65 | |
| 66 proc urllog_isnumber {uarg} { | |
| 28 | 67 foreach i [split $uarg {}] { |
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68 if {![string match \[0-9\] $i]} { return 0 } |
| 28 | 69 } |
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70 return 1 |
| 0 | 71 } |
| 72 | |
| 73 | |
| 74 proc urllog_msg {apublic anick achan amsg} { | |
| 28 | 75 global urllog_preferredmsg |
| 0 | 76 |
| 28 | 77 if {$apublic == 1} { |
| 78 putserv "$urllog_preferredmsg $achan :$amsg" | |
| 79 } else { | |
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80 putserv "$urllog_preferredmsg $anick :$amsg" |
| 28 | 81 } |
| 0 | 82 } |
| 83 | |
| 84 | |
| 85 proc urllog_verb_msg {anick achan amsg} { | |
| 28 | 86 global urllog_verbose |
| 0 | 87 |
| 28 | 88 if {$urllog_verbose != 0} { |
| 89 urllog_msg 1 $anick $achan $amsg | |
| 90 } | |
| 0 | 91 } |
| 92 | |
| 93 | |
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94 proc urllog_sanitize_encoding {uencoding} { |
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95 regsub -- "^\[a-z\]\[a-z\]_\[A-Z\]\[A-Z\]\." $uencoding "" uencoding |
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96 set uencoding [string tolower $uencoding] |
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97 regsub -- "^iso-" $uencoding "iso" uencoding |
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98 return $uencoding |
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99 } |
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100 |
| 294 | 101 |
| 0 | 102 #------------------------------------------------------------------------- |
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103 proc urllog_get_short {utime} { |
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104 global urllog_shorturl_prefix urllog_shorturl_str |
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105 |
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106 set ulen [string length $urllog_shorturl_str] |
| 0 | 107 |
| 28 | 108 set u1 [expr $utime / ($ulen * $ulen)] |
| 109 set utmp [expr $utime % ($ulen * $ulen)] | |
| 110 set u2 [expr $utmp / $ulen] | |
| 111 set u3 [expr $utmp % $ulen] | |
| 0 | 112 |
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113 return "\[ $urllog_shorturl_prefix[string index $urllog_shorturl_str $u1][string index $urllog_shorturl_str $u2][string index $urllog_shorturl_str $u3] \]" |
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114 } |
| 0 | 115 |
| 116 | |
| 117 #------------------------------------------------------------------------- | |
| 118 proc urllog_chop_url {url} { | |
| 28 | 119 global urllog_shorturl_orig |
| 68 | 120 |
| 28 | 121 if {[string length $url] > $urllog_shorturl_orig} { |
| 122 return "[string range $url 0 $urllog_shorturl_orig]..." | |
| 123 } else { | |
| 124 return $url | |
| 125 } | |
| 0 | 126 } |
| 127 | |
| 241 | 128 |
| 0 | 129 #------------------------------------------------------------------------- |
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130 proc urllog_exists {urlStr urlNick urlHost urlChan} { |
| 28 | 131 global urldb urlmsg_alreadyknown urllog_shorturl |
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132 global urllog_msg_channels |
| 0 | 133 |
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134 set usql "SELECT id AS uid, utime AS utime, url AS uurl, user AS uuser, host AS uhost, chan AS uchan, title AS utitle FROM urls WHERE url='[utl_escape $urlStr]'" |
| 297 | 135 urldb eval $usql { |
| 28 | 136 urllog_log "URL said by $urlNick ($urlStr) already known" |
| 137 if {$urllog_shorturl != 0} { | |
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138 set qstr "[urllog_get_short $uid] " |
| 28 | 139 } else { |
| 140 set qstr "" | |
| 141 } | |
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142 append qstr "($uuser/$uchan@[utl_ctime $utime])" |
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143 if {[string length $utitle] > 0} { |
| 311 | 144 set qstr "$urlmsg_alreadyknown - '$utitle' $qstr" |
| 28 | 145 } else { |
| 146 set qstr "$urlmsg_alreadyknown $qstr" | |
| 147 } | |
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148 |
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149 if {[utl_match_delim_list $urllog_msg_channels $uchan]} { |
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150 urllog_verb_msg $urlNick $urlChan $qstr |
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151 } |
| 28 | 152 return 0 |
| 153 } | |
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154 return 1 |
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155 } |
| 0 | 156 |
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157 |
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158 #------------------------------------------------------------------------- |
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159 proc urllog_addurl {urlStr urlNick urlHost urlChan urlTitle} { |
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160 global urldb urllog_shorturl |
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161 |
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162 if {$urlTitle == ""} { |
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163 set uins "NULL" |
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164 } else { |
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165 set uins "'[utl_escape $urlTitle]'" |
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166 } |
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167 set usql "INSERT INTO urls (utime,url,user,host,chan,title) VALUES ([unixtime], '[utl_escape $urlStr]', '[utl_escape $urlNick]', '[utl_escape $urlHost]', '[utl_escape $urlChan]', $uins)" |
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168 if {[catch {urldb eval $usql} uerrmsg]} { |
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169 urllog_log "$uerrmsg on SQL:\n$usql" |
| 28 | 170 return 0 |
| 171 } | |
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172 set uid [urldb last_insert_rowid] |
| 28 | 173 urllog_log "Added URL ($urlNick@$urlChan): $urlStr" |
| 0 | 174 |
| 175 | |
| 28 | 176 ### Let's say something, to confirm that everything went well. |
| 177 if {$urllog_shorturl != 0} { | |
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178 set qstr "[urllog_get_short $uid] " |
| 28 | 179 } else { |
| 180 set qstr "" | |
| 181 } | |
| 182 if {[string length $urlTitle] > 0} { | |
| 311 | 183 urllog_verb_msg $urlNick $urlChan "'$urlTitle' ([urllog_chop_url $urlStr]) $qstr" |
| 28 | 184 } else { |
| 185 urllog_verb_msg $urlNick $urlChan "[urllog_chop_url $urlStr] $qstr" | |
| 186 } | |
| 0 | 187 |
| 28 | 188 return 1 |
| 0 | 189 } |
| 190 | |
| 191 | |
| 192 #------------------------------------------------------------------------- | |
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193 proc urllog_dorequest { urlNick urlChan urlStr urlStatus urlSCode urlCode urlData urlMeta } { |
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194 global urlmsg_ioerror urlmsg_timeout urlmsg_errorgettingdoc |
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195 |
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196 upvar 1 $urlStatus ustatus |
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197 upvar 1 $urlSCode uscode |
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198 upvar 1 $urlCode ucode |
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199 upvar 1 $urlData udata |
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200 upvar 1 $urlMeta umeta |
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201 |
|
456
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202 set urlHeaders {} |
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203 lappend urlHeaders "Accept-Encoding" "identity" |
|
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204 # lappend urlHeaders "Connection" "keep-alive" |
|
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205 |
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206 if {[catch {set utoken [::http::geturl $urlStr -timeout 6000 -binary 1 -headers $urlHeaders]} uerrmsg]} { |
|
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207 urllog_verb_msg $urlNick $urlChan "$urlmsg_ioerror ($uerrmsg)" |
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208 urllog_log "HTTP request failed: $uerrmsg" |
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209 return 0 |
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210 } |
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211 |
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212 set ustatus [::http::status $utoken] |
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213 if {$ustatus == "timeout"} { |
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214 urllog_verb_msg $urlNick $urlChan "$urlmsg_timeout" |
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215 urllog_log "HTTP request timed out ($urlStr)" |
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216 return 0 |
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217 } |
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218 |
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219 if {$ustatus != "ok"} { |
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220 urllog_verb_msg $urlNick $urlChan "$urlmsg_errorgettingdoc ([::http::error $utoken])" |
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221 urllog_log "Error in HTTP transaction: [::http::error $utoken] ($urlStr)" |
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222 return 0 |
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223 } |
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224 |
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225 set ustatus [::http::status $utoken] |
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226 set uscode [::http::code $utoken] |
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227 set ucode [::http::ncode $utoken] |
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228 set udata [::http::data $utoken] |
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229 array set umeta [::http::meta $utoken] |
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230 ::http::cleanup $utoken |
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231 |
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232 return 1 |
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233 } |
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234 |
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235 #------------------------------------------------------------------------- |
|
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236 proc urllog_validate_url { urlNick urlChan urlMStr urlMProto urlMHostName } { |
|
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237 global urlmsg_nosuchhost urllog_httprep |
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238 global urllog_shorturl_prefix urllog_shorturl |
|
251
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239 upvar 1 $urlMStr urlStr |
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240 upvar 1 $urlMProto urlProto |
|
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241 upvar 1 $urlMHostName urlHostName |
|
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Lots of code cleanups, add "fixer" for RasiaTube links (which suck) to point directly to Youtube.
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242 |
|
571
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243 ### Hack for removing parenthesis around an URL |
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244 if {[regexp {^\((.+)\)$} $urlStr urlMatch urlClean]} { |
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245 set urlStr $urlClean |
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246 } |
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247 |
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248 ### Clean excess stuff, if any, and attempt to |
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249 ### guess the URL protocol component if it is missing |
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250 if {[regexp "(\[a-z\]+)://\[^ \]+" $urlStr urlMatch urlProto]} { |
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251 set urlStr $urlMatch |
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252 } elseif {[regexp "www\.\[^ \]+" $urlStr urlMatch]} { |
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253 set urlStr "http://$urlMatch" |
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254 } elseif {[regexp "ftp\.\[^ \]+" $urlStr urlMatch]} { |
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|
255 set urlStr "ftp://$urlMatch" |
| 28 | 256 } |
| 0 | 257 |
|
95
687bdd74dfac
urllog: Check if TLS support is enabled when checking if we can fetch title information via HTTP or SSL/HTTP.
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258 ### Handle URLs that have an IPv4-address |
|
327
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319
diff
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|
259 if {[regexp "(\[a-z\]+)://(\[0-9\]{1,3})\\.(\[0-9\]{1,3})\\.(\[0-9\]{1,3})\\.(\[0-9\]{1,3})" $urlStr urlMatch urlProto ni1 ni2 ni3 ni4]} { |
| 28 | 260 # Check if the IP is on local network |
|
572
295c225e3152
urllog: Improve invalid/local IPv4 network check
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diff
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|
261 if {$ni1 == 127 || $ni1 == 10 || ($ni1 == 192 && $ni2 == 168)} { |
|
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|
262 urllog_log "URL pointing to local network, ignored ($urlStr)." |
| 28 | 263 return 0 |
| 264 } | |
|
572
295c225e3152
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|
265 if {$ni1 == 0 || $ni1 >= 255 || $ni2 >= 255 || $ni3 >= 255 || $ni4 >= 255} { |
|
571
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266 urllog_log "URL pointing to invalid network, ignored ($urlStr)." |
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267 return 0 |
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|
268 } |
| 28 | 269 } |
| 0 | 270 |
|
96
e5a6c27be365
urllog: Comments and cosmetics.
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parents:
95
diff
changeset
|
271 ### Check now if we have an ShortURL here ... |
|
150
52350ed97775
urllog: Cleanups, rename/move some global variables.
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parents:
136
diff
changeset
|
272 if {[string match "$urllog_shorturl_prefix*" $urlStr]} { |
|
98
fbbe7ee40e2f
urllog: Improve one informational / error message.
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parents:
97
diff
changeset
|
273 urllog_log "Ignoring ShortURL from $urlNick: $urlStr" |
|
252
eb2fce89b8ab
urllog: Comment out some currently unused code.
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|
274 # set uud "" |
|
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|
275 # set usql "SELECT id AS uid, url AS uurl, user AS uuser, host AS uhost, chan AS uchan, title AS utitle FROM urls WHERE utime=$uud" |
|
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urllog: Comment out some currently unused code.
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|
276 # urldb eval $usql { |
|
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diff
changeset
|
277 # urllog_verb_msg $urlNick $urlChan "'$utitle' - $uurl" |
|
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diff
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|
278 # return 1 |
|
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urllog: Comment out some currently unused code.
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251
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|
279 # } |
| 28 | 280 return 0 |
| 281 } | |
| 0 | 282 |
|
95
687bdd74dfac
urllog: Check if TLS support is enabled when checking if we can fetch title information via HTTP or SSL/HTTP.
Matti Hamalainen <ccr@tnsp.org>
parents:
93
diff
changeset
|
283 ### Get URL protocol component |
|
251
e59f0c3ea0f4
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|
284 set urlProto "" |
|
464
506977ea9d0c
urllog: Improve URL validation.
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diff
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|
285 if {[regexp "(\[a-z\]+)://" $urlStr urlMatch urlProto]} { |
|
506977ea9d0c
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458
diff
changeset
|
286 ### Is it a http or ftp url? |
|
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diff
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|
287 if {$urlProto != "http" && $urlProto != "https" && $urlProto != "ftp"} { |
|
506977ea9d0c
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|
288 urllog_log "Broken URL from $urlNick: ($urlStr) UNSUPPORTED protocol class ($urlProto)." |
|
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diff
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|
289 return 0 |
|
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458
diff
changeset
|
290 } |
|
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parents:
458
diff
changeset
|
291 } else { |
|
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458
diff
changeset
|
292 urllog_log "Broken URL from $urlNick: ($urlStr), no protocol specifier." |
|
506977ea9d0c
urllog: Improve URL validation.
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|
293 return 0 |
|
506977ea9d0c
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diff
changeset
|
294 } |
|
95
687bdd74dfac
urllog: Check if TLS support is enabled when checking if we can fetch title information via HTTP or SSL/HTTP.
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parents:
93
diff
changeset
|
295 |
| 28 | 296 ### Check the PORT (if the ":" is there) |
|
327
a5282cdc56e6
urllog: Fix redirection handling for HTTP 1.1.
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parents:
319
diff
changeset
|
297 set urlRecord [split $urlStr "/"] |
|
a5282cdc56e6
urllog: Fix redirection handling for HTTP 1.1.
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319
diff
changeset
|
298 set urlHostName [lindex $urlRecord 2] |
|
a5282cdc56e6
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319
diff
changeset
|
299 set urlPort [lindex [split $urlHostName ":"] end] |
| 0 | 300 |
|
327
a5282cdc56e6
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319
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changeset
|
301 if {![urllog_isnumber $urlPort] && $urlPort != "" && $urlPort != $urlHostName} { |
|
a5282cdc56e6
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319
diff
changeset
|
302 urllog_log "Broken URL from $urlNick: ($urlStr) illegal port $urlPort" |
| 28 | 303 return 0 |
| 304 } | |
| 0 | 305 |
| 306 | |
| 28 | 307 set urlStr [string map $urllog_httprep $urlStr] |
|
251
e59f0c3ea0f4
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|
308 return 1 |
|
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|
309 } |
|
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diff
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|
310 |
|
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diff
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|
311 |
|
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|
312 #------------------------------------------------------------------------- |
|
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|
313 proc urllog_check_url {urlStr urlNick urlHost urlChan} { |
|
299
1ff281e821a3
urllog: Make rasiatube hack configurable.
Matti Hamalainen <ccr@tnsp.org>
parents:
298
diff
changeset
|
314 global urllog_encoding http_tls_support urlmsg_errorgettingdoc |
|
581
148c7553c50f
urllog: Remove rasiatube hack setting, it's not used.
Matti Hamalainen <ccr@tnsp.org>
parents:
579
diff
changeset
|
315 global urllog_extra_checks urllog_extra_strict |
|
3
8003090caa35
Lots of code cleanups, add "fixer" for RasiaTube links (which suck) to point directly to Youtube.
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parents:
0
diff
changeset
|
316 |
|
91
6f4bfd8e9447
urllog: Reorder code and make it simpler by removing duplicate checks.
Matti Hamalainen <ccr@tnsp.org>
parents:
90
diff
changeset
|
317 ### Does the URL already exist? |
|
6f4bfd8e9447
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Matti Hamalainen <ccr@tnsp.org>
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changeset
|
318 if {![urllog_exists $urlStr $urlNick $urlHost $urlChan]} { |
|
6f4bfd8e9447
urllog: Reorder code and make it simpler by removing duplicate checks.
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90
diff
changeset
|
319 return 1 |
|
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urllog: Reorder code and make it simpler by removing duplicate checks.
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diff
changeset
|
320 } |
|
424
825cac46b1cb
Cosmetic / stray trailing whitespace cleanup.
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parents:
422
diff
changeset
|
321 |
|
251
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diff
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|
322 ### Validate URL compoments, etc. |
|
327
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diff
changeset
|
323 set urlProto "" |
|
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|
324 set urlHostName "" |
|
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|
325 if {![urllog_validate_url $urlNick $urlChan urlStr urlProto urlHostName]} { |
|
251
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|
326 return 1 |
|
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changeset
|
327 } |
| 0 | 328 |
|
267
da239a953e24
urllog: Change some setting names, etc.
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parents:
264
diff
changeset
|
329 ### Do we perform additional checks? |
|
327
a5282cdc56e6
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diff
changeset
|
330 if {$urllog_extra_checks == 0 || !(($http_tls_support != 0 && $urlProto == "https") || $urlProto == "http")} { |
| 230 | 331 # No optional checks, or it's not http/https. |
| 306 | 332 if {$urllog_extra_strict == 0} { |
|
304
f1589fe20732
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diff
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|
333 # Strict checking disabled, so add the URL, if it does not exist already. |
|
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diff
changeset
|
334 urllog_addurl $urlStr $urlNick $urlHost $urlChan "" |
|
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diff
changeset
|
335 return 1 |
|
327
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changeset
|
336 } elseif {$http_tls_support == 0 && $urlProto == "https"} { |
|
304
f1589fe20732
urllog: Added urllog_extra_strict option.
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diff
changeset
|
337 # Strict ENABLED: If TLS support is disabled and we have https, do nothing |
|
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diff
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|
338 return 1 |
|
327
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diff
changeset
|
339 } elseif {$urlProto != "http" && $urlProto != "https"} { |
|
304
f1589fe20732
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302
diff
changeset
|
340 # Strict ENABLED: It's not http, or https |
|
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diff
changeset
|
341 return 1 |
|
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urllog: Added urllog_extra_strict option.
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parents:
302
diff
changeset
|
342 } |
| 28 | 343 } |
|
7
50b52294e93e
urllog: Strip ‏ entities from titles; Some work on SSL/https support.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
344 |
| 28 | 345 ### Does the document pointed by the URL exist? |
|
251
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|
346 if {![urllog_dorequest $urlNick $urlChan $urlStr ustatus uscode ucode udata umeta]} { |
|
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changeset
|
347 return 1 |
| 28 | 348 } |
| 0 | 349 |
|
251
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diff
changeset
|
350 ### Handle redirects |
|
583
d5fc3ecee4c7
urllog: Handle 303 redirects.
Matti Hamalainen <ccr@tnsp.org>
parents:
581
diff
changeset
|
351 if {$ucode >= 301 && $ucode <= 303} { |
|
251
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changeset
|
352 set nurlStr $umeta(Location) |
|
327
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parents:
319
diff
changeset
|
353 if {![regexp "\[a-z\]+://" $nurlStr]} { |
|
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parents:
319
diff
changeset
|
354 if {[string range $nurlStr 0 0] != "/"} { |
|
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parents:
319
diff
changeset
|
355 append nurlStr "/" |
|
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changeset
|
356 } |
|
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changeset
|
357 set nurlStr "${urlProto}://${urlHostName}${nurlStr}" |
|
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changeset
|
358 } |
|
251
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diff
changeset
|
359 urllog_log "Redirection: $urlStr -> $nurlStr" |
|
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diff
changeset
|
360 set urlStr $nurlStr |
|
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changeset
|
361 |
|
327
a5282cdc56e6
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parents:
319
diff
changeset
|
362 if {![urllog_validate_url $urlNick $urlChan urlStr urlProto urlHostName]} { |
|
251
e59f0c3ea0f4
urllog: Handle first and second level redirects.
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parents:
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diff
changeset
|
363 return 1 |
|
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diff
changeset
|
364 } |
|
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250
diff
changeset
|
365 |
|
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diff
changeset
|
366 if {![urllog_dorequest $urlNick $urlChan $urlStr ustatus uscode ucode udata umeta]} { |
|
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parents:
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diff
changeset
|
367 return 1 |
|
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Matti Hamalainen <ccr@tnsp.org>
parents:
250
diff
changeset
|
368 } |
| 28 | 369 } |
|
3
8003090caa35
Lots of code cleanups, add "fixer" for RasiaTube links (which suck) to point directly to Youtube.
Matti Hamalainen <ccr@tnsp.org>
parents:
0
diff
changeset
|
370 |
|
251
e59f0c3ea0f4
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parents:
250
diff
changeset
|
371 ### Handle 2nd level redirects |
|
583
d5fc3ecee4c7
urllog: Handle 303 redirects.
Matti Hamalainen <ccr@tnsp.org>
parents:
581
diff
changeset
|
372 if {$ucode >= 301 && $ucode <= 303} { |
|
251
e59f0c3ea0f4
urllog: Handle first and second level redirects.
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parents:
250
diff
changeset
|
373 set nurlStr $umeta(Location) |
|
327
a5282cdc56e6
urllog: Fix redirection handling for HTTP 1.1.
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parents:
319
diff
changeset
|
374 if {![regexp "\[a-z\]+://" $nurlStr]} { |
|
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urllog: Fix redirection handling for HTTP 1.1.
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parents:
319
diff
changeset
|
375 if {[string range $nurlStr 0 0] != "/"} { |
|
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urllog: Fix redirection handling for HTTP 1.1.
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parents:
319
diff
changeset
|
376 append nurlStr "/" |
|
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parents:
319
diff
changeset
|
377 } |
|
a5282cdc56e6
urllog: Fix redirection handling for HTTP 1.1.
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319
diff
changeset
|
378 set nurlStr "${urlProto}://${urlHostName}${nurlStr}" |
|
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urllog: Fix redirection handling for HTTP 1.1.
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parents:
319
diff
changeset
|
379 } |
|
251
e59f0c3ea0f4
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parents:
250
diff
changeset
|
380 urllog_log "Redirection #2: $urlStr -> $nurlStr" |
|
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parents:
250
diff
changeset
|
381 set urlStr $nurlStr |
|
116
4f3edcf72987
urllog: Improvements in document / HTTP encoding handling and conversion.
Matti Hamalainen <ccr@tnsp.org>
parents:
115
diff
changeset
|
382 |
|
327
a5282cdc56e6
urllog: Fix redirection handling for HTTP 1.1.
Matti Hamalainen <ccr@tnsp.org>
parents:
319
diff
changeset
|
383 if {![urllog_validate_url $urlNick $urlChan urlStr urlProto urlHostName]} { |
|
251
e59f0c3ea0f4
urllog: Handle first and second level redirects.
Matti Hamalainen <ccr@tnsp.org>
parents:
250
diff
changeset
|
384 return 1 |
|
e59f0c3ea0f4
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parents:
250
diff
changeset
|
385 } |
|
e59f0c3ea0f4
urllog: Handle first and second level redirects.
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parents:
250
diff
changeset
|
386 |
|
e59f0c3ea0f4
urllog: Handle first and second level redirects.
Matti Hamalainen <ccr@tnsp.org>
parents:
250
diff
changeset
|
387 if {![urllog_dorequest $urlNick $urlChan $urlStr ustatus uscode ucode udata umeta]} { |
|
e59f0c3ea0f4
urllog: Handle first and second level redirects.
Matti Hamalainen <ccr@tnsp.org>
parents:
250
diff
changeset
|
388 return 1 |
|
e59f0c3ea0f4
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Matti Hamalainen <ccr@tnsp.org>
parents:
250
diff
changeset
|
389 } |
|
e59f0c3ea0f4
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Matti Hamalainen <ccr@tnsp.org>
parents:
250
diff
changeset
|
390 } |
|
e59f0c3ea0f4
urllog: Handle first and second level redirects.
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parents:
250
diff
changeset
|
391 |
|
e59f0c3ea0f4
urllog: Handle first and second level redirects.
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250
diff
changeset
|
392 # Final document |
|
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parents:
250
diff
changeset
|
393 if {$ucode >= 200 && $ucode <= 205} { |
|
116
4f3edcf72987
urllog: Improvements in document / HTTP encoding handling and conversion.
Matti Hamalainen <ccr@tnsp.org>
parents:
115
diff
changeset
|
394 set uenc_doc "" |
|
4f3edcf72987
urllog: Improvements in document / HTTP encoding handling and conversion.
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115
diff
changeset
|
395 set uenc_http "" |
|
4f3edcf72987
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parents:
115
diff
changeset
|
396 set uencoding "" |
|
4f3edcf72987
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parents:
115
diff
changeset
|
397 |
|
4f3edcf72987
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parents:
115
diff
changeset
|
398 # Get information about specified character encodings |
|
4f3edcf72987
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parents:
115
diff
changeset
|
399 if {[info exists umeta(Content-Type)] && [regexp -nocase {charset\s*=\s*([a-z0-9._-]+)} $umeta(Content-Type) umatches uenc_http]} { |
|
4f3edcf72987
urllog: Improvements in document / HTTP encoding handling and conversion.
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parents:
115
diff
changeset
|
400 # Found character set encoding information in HTTP headers |
|
4f3edcf72987
urllog: Improvements in document / HTTP encoding handling and conversion.
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parents:
115
diff
changeset
|
401 } |
|
4f3edcf72987
urllog: Improvements in document / HTTP encoding handling and conversion.
Matti Hamalainen <ccr@tnsp.org>
parents:
115
diff
changeset
|
402 |
|
150
52350ed97775
urllog: Cleanups, rename/move some global variables.
Matti Hamalainen <ccr@tnsp.org>
parents:
136
diff
changeset
|
403 if {[regexp -nocase -- "<meta.\*\?content=\"text/html.\*\?charset=(\[^\"\]*)\".\*\?/\?>" $udata umatches uenc_doc]} { |
|
116
4f3edcf72987
urllog: Improvements in document / HTTP encoding handling and conversion.
Matti Hamalainen <ccr@tnsp.org>
parents:
115
diff
changeset
|
404 # Found old style HTML meta tag with character set information |
|
150
52350ed97775
urllog: Cleanups, rename/move some global variables.
Matti Hamalainen <ccr@tnsp.org>
parents:
136
diff
changeset
|
405 } elseif {[regexp -nocase -- "<meta.\*\?charset=\"(\[^\"\]*)\".\*\?/\?>" $udata umatches uenc_doc]} { |
|
116
4f3edcf72987
urllog: Improvements in document / HTTP encoding handling and conversion.
Matti Hamalainen <ccr@tnsp.org>
parents:
115
diff
changeset
|
406 # Found HTML5 style meta tag with character set information |
|
4f3edcf72987
urllog: Improvements in document / HTTP encoding handling and conversion.
Matti Hamalainen <ccr@tnsp.org>
parents:
115
diff
changeset
|
407 } |
|
4f3edcf72987
urllog: Improvements in document / HTTP encoding handling and conversion.
Matti Hamalainen <ccr@tnsp.org>
parents:
115
diff
changeset
|
408 |
|
4f3edcf72987
urllog: Improvements in document / HTTP encoding handling and conversion.
Matti Hamalainen <ccr@tnsp.org>
parents:
115
diff
changeset
|
409 # Make sanitized versions of the encoding strings |
|
4f3edcf72987
urllog: Improvements in document / HTTP encoding handling and conversion.
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parents:
115
diff
changeset
|
410 set uenc_http2 [urllog_sanitize_encoding $uenc_http] |
|
4f3edcf72987
urllog: Improvements in document / HTTP encoding handling and conversion.
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parents:
115
diff
changeset
|
411 set uenc_doc2 [urllog_sanitize_encoding $uenc_doc] |
|
4f3edcf72987
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parents:
115
diff
changeset
|
412 |
| 311 | 413 # Check if the document has specified encoding |
|
116
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parents:
115
diff
changeset
|
414 # KLUDGE! |
|
4f3edcf72987
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parents:
115
diff
changeset
|
415 set uencoding $uenc_http2 |
|
318
5d886e2137d5
urllog: Fix character set conversion a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
315
diff
changeset
|
416 if {$uencoding == "" && $uenc_doc2 != ""} { |
|
5d886e2137d5
urllog: Fix character set conversion a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
315
diff
changeset
|
417 set uencoding $uenc_doc2 |
|
5d886e2137d5
urllog: Fix character set conversion a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
315
diff
changeset
|
418 } elseif {$uencoding == ""} { |
|
424
825cac46b1cb
Cosmetic / stray trailing whitespace cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
422
diff
changeset
|
419 # If _NO_ known encoding of any kind, assume the default of iso8859-1 |
|
86
4c2b6482c08c
urllog: Different strategy for charset encoding conversion.
Matti Hamalainen <ccr@tnsp.org>
parents:
84
diff
changeset
|
420 set uencoding "iso8859-1" |
|
4c2b6482c08c
urllog: Different strategy for charset encoding conversion.
Matti Hamalainen <ccr@tnsp.org>
parents:
84
diff
changeset
|
421 } |
| 0 | 422 |
| 311 | 423 urllog_log "Charsets: http='$uenc_http', doc='$uenc_doc' / sanitized http='$uenc_http2', doc='$uenc_doc2' -> '$uencoding'" |
| 424 | |
|
116
4f3edcf72987
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parents:
115
diff
changeset
|
425 # Get the document title, if any |
|
4f3edcf72987
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parents:
115
diff
changeset
|
426 set urlTitle "" |
|
470
2faf2eb18f26
urllog: Add support for Twitter meta titles.
Matti Hamalainen <ccr@tnsp.org>
parents:
469
diff
changeset
|
427 |
|
473
d155cec91375
urllog: Fixes to Twitter title matching.
Matti Hamalainen <ccr@tnsp.org>
parents:
472
diff
changeset
|
428 if {[regexp -nocase -- "<meta name=\"twitter:title\" content=\"(.\*\?)\"\\s\*\/\?>" $udata umatches urlTitle]} { |
|
470
2faf2eb18f26
urllog: Add support for Twitter meta titles.
Matti Hamalainen <ccr@tnsp.org>
parents:
469
diff
changeset
|
429 # ... |
|
2faf2eb18f26
urllog: Add support for Twitter meta titles.
Matti Hamalainen <ccr@tnsp.org>
parents:
469
diff
changeset
|
430 } elseif {[regexp -nocase -- "<title.\*\?>(.\*\?)</title>" $udata umatches urlTitle]} { |
|
2faf2eb18f26
urllog: Add support for Twitter meta titles.
Matti Hamalainen <ccr@tnsp.org>
parents:
469
diff
changeset
|
431 # ... |
|
2faf2eb18f26
urllog: Add support for Twitter meta titles.
Matti Hamalainen <ccr@tnsp.org>
parents:
469
diff
changeset
|
432 } |
|
313
8175ef52889b
urllog: Improve URL title functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
312
diff
changeset
|
433 |
|
8175ef52889b
urllog: Improve URL title functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
312
diff
changeset
|
434 # If facebook, get meta info |
|
8175ef52889b
urllog: Improve URL title functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
312
diff
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|
435 if {[regexp -nocase -- "(http|https):\/\/www.facebook.com" $urlStr]} { |
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436 if {[regexp -nocase -- "<meta name=\"description\" content=\"(.\*\?)\"" $udata umatches urlTmp]} { |
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437 if {$urlTitle != ""} { append urlTitle " :: " } |
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438 append urlTitle $urlTmp |
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439 } |
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440 } |
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441 |
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442 # If character set conversion is required, do it now |
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443 if {$urlTitle != "" && $uencoding != ""} { |
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444 if {[catch {set urlTitle [encoding convertfrom $uencoding $urlTitle]} cerrmsg]} { |
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445 urllog_log "Error in charset conversion: $cerrmsg" |
| 28 | 446 } |
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447 |
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448 # Convert some HTML entities to plaintext and do some cleanup |
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449 set utmp [utl_convert_html_ent $urlTitle] |
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450 regsub -all "\r|\n|\t" $utmp " " utmp |
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451 regsub -all " *" $utmp " " utmp |
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452 set urlTitle [string trim $utmp] |
| 28 | 453 } |
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454 |
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455 # Check if the URL already exists, just in case we had some redirects |
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456 if {[urllog_exists $urlStr $urlNick $urlHost $urlChan]} { |
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457 urllog_addurl $urlStr $urlNick $urlHost $urlChan $urlTitle |
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458 } |
| 28 | 459 return 1 |
| 460 } else { | |
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461 urllog_verb_msg $urlNick $urlChan "$urlmsg_errorgettingdoc ($ucode)" |
|
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462 urllog_log "Error fetching document: status=$ustatus, code=$ucode, scode=$uscode, url=$urlStr" |
| 28 | 463 } |
| 0 | 464 } |
| 465 | |
| 466 | |
| 467 #------------------------------------------------------------------------- | |
|
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468 |
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469 |
| 249 | 470 proc urllog_check_line {unick uhost uhand uchan utext} { |
|
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471 global urllog_log_channels |
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472 |
| 28 | 473 ### Check the nick |
| 87 | 474 if {$unick == "*"} { |
| 249 | 475 urllog_log "urllog_check_line: Nick was wc, this should not happen." |
| 28 | 476 return 0 |
| 477 } | |
| 0 | 478 |
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479 ### Check the channel |
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480 if {[utl_match_delim_list $urllog_log_channels $uchan]} { |
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481 ### Do the URL checking |
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482 foreach str [split $utext " "] { |
|
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483 if {[regexp "(\[a-z]+://\[^\[:space:\]\]+|^(www|ftp)\.\[^\[:space:\]\]+)" $str ulink]} { |
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484 urllog_check_url $str $unick $uhost $uchan |
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485 } |
| 28 | 486 } |
| 487 } | |
| 0 | 488 |
| 28 | 489 return 0 |
| 0 | 490 } |
| 491 | |
| 492 | |
| 493 #------------------------------------------------------------------------- | |
| 494 ### Parse arguments, find and show the results | |
| 495 proc urllog_find {unick uhand uchan utext upublic} { | |
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496 global urllog_shorturl urldb |
| 28 | 497 global urllog_showmax_pub urllog_showmax_priv urlmsg_nomatch |
| 0 | 498 |
| 28 | 499 if {$upublic == 0} { |
| 500 set ulimit 5 | |
| 501 } else { | |
| 502 set ulimit 3 | |
| 503 } | |
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504 |
| 28 | 505 ### Parse the given command |
| 506 urllog_log "$unick/$uhand searched URL: $utext" | |
| 0 | 507 |
| 28 | 508 set ftokens [split $utext " "] |
| 509 set fpatlist "" | |
| 510 foreach ftoken $ftokens { | |
| 511 set fprefix [string range $ftoken 0 0] | |
| 512 set fpattern [string range $ftoken 1 end] | |
|
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513 set qpattern "'%[utl_escape $fpattern]%'" |
| 0 | 514 |
| 28 | 515 if {$fprefix == "-"} { |
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516 lappend fpatlist "(url NOT LIKE $qpattern OR title NOT LIKE $qpattern)" |
| 28 | 517 } elseif {$fprefix == "%"} { |
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518 lappend fpatlist "user LIKE $qpattern" |
| 28 | 519 } elseif {$fprefix == "@"} { |
| 520 # foo | |
|
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521 } elseif {$fprefix == "+"} { |
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522 lappend fpatlist "(url LIKE $qpattern OR title LIKE $qpattern)" |
| 28 | 523 } else { |
|
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524 set qpattern "'%[utl_escape $ftoken]%'" |
|
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525 lappend fpatlist "(url LIKE $qpattern OR title LIKE $qpattern)" |
| 28 | 526 } |
| 527 } | |
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528 |
|
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529 if {[llength $fpatlist] > 0} { |
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530 set fquery "WHERE [join $fpatlist " AND "]" |
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531 } else { |
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532 set fquery "" |
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533 } |
| 68 | 534 |
| 28 | 535 set iresults 0 |
|
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536 set usql "SELECT id AS uid, utime AS utime, url AS uurl, user AS uuser, host AS uhost FROM urls $fquery ORDER BY utime DESC LIMIT $ulimit" |
| 68 | 537 urldb eval $usql { |
| 28 | 538 incr iresults |
| 539 set shortURL $uurl | |
|
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540 if {$urllog_shorturl != 0 && $uid != ""} { |
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541 set shortURL "$shortURL [urllog_get_short $uid]" |
| 28 | 542 } |
|
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543 urllog_msg $upublic $unick $uchan "#$iresults: $shortURL ($uuser@[utl_ctime $utime])" |
| 28 | 544 } |
|
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545 |
| 28 | 546 if {$iresults == 0} { |
| 547 # If no URLs were found | |
| 548 urllog_msg $upublic $unick $uchan $urlmsg_nomatch | |
| 549 } | |
| 0 | 550 |
| 28 | 551 return 0 |
| 0 | 552 } |
| 553 | |
| 554 | |
| 555 #------------------------------------------------------------------------- | |
| 556 ### Finding binded functions | |
|
531
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557 proc urllog_pub_cmd_urlfind {unick uhost uhand uchan utext} { |
|
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558 global urllog_search_channels |
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559 |
|
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560 if {[utl_match_delim_list $urllog_search_channels $uchan]} { |
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561 return [urllog_find $unick $uhand $uchan $utext 1] |
|
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562 } |
| 28 | 563 return 0 |
| 0 | 564 } |
| 565 | |
| 566 | |
|
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|
567 proc urllog_msg_cmd_urlfind {unick uhost uhand utext} { |
| 28 | 568 urllog_find $unick $uhand "" $utext 0 |
| 569 return 0 | |
|
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570 } |
| 0 | 571 |
| 560 | 572 |
| 573 #------------------------------------------------------------------------- | |
| 574 # Script initialization | |
| 575 #------------------------------------------------------------------------- | |
| 570 | 576 ### Initialization messages |
| 560 | 577 putlog "$urllog_message" |
| 578 | |
| 570 | 579 |
| 580 ### Miscellaneous init messages | |
| 560 | 581 if {$urllog_extra_checks != 0} { |
| 582 putlog " - Additional URL validity checks enabled." | |
| 583 } | |
| 584 | |
| 585 if {$urllog_verbose != 0} { | |
| 586 putlog " - Verbose mode enabled." | |
| 587 } | |
| 588 | |
| 570 | 589 |
| 560 | 590 ### HTTP module initialization |
| 591 if {[info exists http_user_agent] && $http_user_agent != ""} { | |
| 592 ::http::config -useragent $http_user_agent | |
| 593 } else { | |
| 594 ::http::config -useragent "$urllog_name/$urllog_version" | |
| 595 } | |
| 596 | |
| 597 if {[info exists http_use_proxy] && $http_use_proxy != 0} { | |
| 598 ::http::config -proxyhost $http_proxy_host -proxyport $http_proxy_port | |
| 599 putlog " - Using proxy $http_proxy_host:$http_proxy_port" | |
| 600 } | |
| 601 | |
| 602 if {[info exists http_tls_support] && $http_tls_support != 0} { | |
| 603 package require tls | |
| 604 ::http::register https 443 [list ::tls::socket -request true -require true -ssl2 false -ssl3 false -tls1 true -tls1.1 true -tls1.2 true -cadir $http_tls_cadir -autoservername true] | |
| 605 putlog " - TLS/SSL support enabled." | |
| 606 } | |
| 607 | |
| 608 | |
| 609 ### SQLite database initialization | |
| 610 if {[catch {sqlite3 urldb $urllog_db_file} uerrmsg]} { | |
| 561 | 611 putlog "Could not open SQLite3 database '${urllog_db_file}': ${uerrmsg}" |
| 560 | 612 exit 2 |
| 613 } | |
| 614 | |
| 615 | |
| 0 | 616 # end of script |