Mercurial > hg > egg-tcls
annotate urllog.tcl @ 584:9b64f201b3a7
urllog: Use lowercase HTTP metadata keys and sanitize them.
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Sun, 24 Jan 2021 21:47:27 +0200 |
parents | d5fc3ecee4c7 |
children | a5dc31f5b44e |
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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 { |
295
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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 #------------------------------------------------------------------------- | |
251
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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 |
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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" |
456
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urllog: Improve how http headers are formed.
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diff
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|
205 |
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diff
changeset
|
206 if {[catch {set utoken [::http::geturl $urlStr -timeout 6000 -binary 1 -headers $urlHeaders]} uerrmsg]} { |
251
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|
207 urllog_verb_msg $urlNick $urlChan "$urlmsg_ioerror ($uerrmsg)" |
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diff
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|
208 urllog_log "HTTP request failed: $uerrmsg" |
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diff
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|
209 return 0 |
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|
210 } |
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diff
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|
211 |
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changeset
|
212 set ustatus [::http::status $utoken] |
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diff
changeset
|
213 if {$ustatus == "timeout"} { |
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diff
changeset
|
214 urllog_verb_msg $urlNick $urlChan "$urlmsg_timeout" |
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|
215 urllog_log "HTTP request timed out ($urlStr)" |
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|
216 return 0 |
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|
217 } |
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changeset
|
218 |
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diff
changeset
|
219 if {$ustatus != "ok"} { |
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|
220 urllog_verb_msg $urlNick $urlChan "$urlmsg_errorgettingdoc ([::http::error $utoken])" |
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diff
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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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changeset
|
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 |
584
9b64f201b3a7
urllog: Use lowercase HTTP metadata keys and sanitize them.
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|
232 # Sanitize the metadata KEYS |
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|
233 foreach {ukey uvalue} [array get umeta] { |
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|
234 set ukey [string tolower $ukey] |
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|
235 set umeta($ukey) $uvalue |
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|
236 } |
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changeset
|
237 |
251
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238 return 1 |
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|
239 } |
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diff
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|
240 |
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|
241 #------------------------------------------------------------------------- |
327
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urllog: Fix redirection handling for HTTP 1.1.
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diff
changeset
|
242 proc urllog_validate_url { urlNick urlChan urlMStr urlMProto urlMHostName } { |
579
fec0911e9ef9
urllog: Remove TLD checks, as they are rather useless nowadays.
Matti Hamalainen <ccr@tnsp.org>
parents:
578
diff
changeset
|
243 global urlmsg_nosuchhost urllog_httprep |
fec0911e9ef9
urllog: Remove TLD checks, as they are rather useless nowadays.
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parents:
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diff
changeset
|
244 global urllog_shorturl_prefix urllog_shorturl |
251
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|
245 upvar 1 $urlMStr urlStr |
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changeset
|
246 upvar 1 $urlMProto urlProto |
327
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urllog: Fix redirection handling for HTTP 1.1.
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parents:
319
diff
changeset
|
247 upvar 1 $urlMHostName urlHostName |
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
|
248 |
571
d4d2fda12308
urllog: Improve URL parsing/validation and protocol guessing.
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parents:
570
diff
changeset
|
249 ### Hack for removing parenthesis around an URL |
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urllog: Improve URL parsing/validation and protocol guessing.
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parents:
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diff
changeset
|
250 if {[regexp {^\((.+)\)$} $urlStr urlMatch urlClean]} { |
d4d2fda12308
urllog: Improve URL parsing/validation and protocol guessing.
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diff
changeset
|
251 set urlStr $urlClean |
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diff
changeset
|
252 } |
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parents:
570
diff
changeset
|
253 |
d4d2fda12308
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parents:
570
diff
changeset
|
254 ### Clean excess stuff, if any, and attempt to |
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urllog: Improve URL parsing/validation and protocol guessing.
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diff
changeset
|
255 ### guess the URL protocol component if it is missing |
d4d2fda12308
urllog: Improve URL parsing/validation and protocol guessing.
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570
diff
changeset
|
256 if {[regexp "(\[a-z\]+)://\[^ \]+" $urlStr urlMatch urlProto]} { |
d4d2fda12308
urllog: Improve URL parsing/validation and protocol guessing.
Matti Hamalainen <ccr@tnsp.org>
parents:
570
diff
changeset
|
257 set urlStr $urlMatch |
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urllog: Improve URL parsing/validation and protocol guessing.
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diff
changeset
|
258 } elseif {[regexp "www\.\[^ \]+" $urlStr urlMatch]} { |
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urllog: Improve URL parsing/validation and protocol guessing.
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diff
changeset
|
259 set urlStr "http://$urlMatch" |
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diff
changeset
|
260 } elseif {[regexp "ftp\.\[^ \]+" $urlStr urlMatch]} { |
d4d2fda12308
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Matti Hamalainen <ccr@tnsp.org>
parents:
570
diff
changeset
|
261 set urlStr "ftp://$urlMatch" |
28 | 262 } |
0 | 263 |
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
|
264 ### Handle URLs that have an IPv4-address |
327
a5282cdc56e6
urllog: Fix redirection handling for HTTP 1.1.
Matti Hamalainen <ccr@tnsp.org>
parents:
319
diff
changeset
|
265 if {[regexp "(\[a-z\]+)://(\[0-9\]{1,3})\\.(\[0-9\]{1,3})\\.(\[0-9\]{1,3})\\.(\[0-9\]{1,3})" $urlStr urlMatch urlProto ni1 ni2 ni3 ni4]} { |
28 | 266 # Check if the IP is on local network |
572
295c225e3152
urllog: Improve invalid/local IPv4 network check
Matti Hamalainen <ccr@tnsp.org>
parents:
571
diff
changeset
|
267 if {$ni1 == 127 || $ni1 == 10 || ($ni1 == 192 && $ni2 == 168)} { |
295c225e3152
urllog: Improve invalid/local IPv4 network check
Matti Hamalainen <ccr@tnsp.org>
parents:
571
diff
changeset
|
268 urllog_log "URL pointing to local network, ignored ($urlStr)." |
28 | 269 return 0 |
270 } | |
572
295c225e3152
urllog: Improve invalid/local IPv4 network check
Matti Hamalainen <ccr@tnsp.org>
parents:
571
diff
changeset
|
271 if {$ni1 == 0 || $ni1 >= 255 || $ni2 >= 255 || $ni3 >= 255 || $ni4 >= 255} { |
571
d4d2fda12308
urllog: Improve URL parsing/validation and protocol guessing.
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parents:
570
diff
changeset
|
272 urllog_log "URL pointing to invalid network, ignored ($urlStr)." |
d4d2fda12308
urllog: Improve URL parsing/validation and protocol guessing.
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parents:
570
diff
changeset
|
273 return 0 |
d4d2fda12308
urllog: Improve URL parsing/validation and protocol guessing.
Matti Hamalainen <ccr@tnsp.org>
parents:
570
diff
changeset
|
274 } |
28 | 275 } |
0 | 276 |
96
e5a6c27be365
urllog: Comments and cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents:
95
diff
changeset
|
277 ### Check now if we have an ShortURL here ... |
150
52350ed97775
urllog: Cleanups, rename/move some global variables.
Matti Hamalainen <ccr@tnsp.org>
parents:
136
diff
changeset
|
278 if {[string match "$urllog_shorturl_prefix*" $urlStr]} { |
98
fbbe7ee40e2f
urllog: Improve one informational / error message.
Matti Hamalainen <ccr@tnsp.org>
parents:
97
diff
changeset
|
279 urllog_log "Ignoring ShortURL from $urlNick: $urlStr" |
252
eb2fce89b8ab
urllog: Comment out some currently unused code.
Matti Hamalainen <ccr@tnsp.org>
parents:
251
diff
changeset
|
280 # set uud "" |
eb2fce89b8ab
urllog: Comment out some currently unused code.
Matti Hamalainen <ccr@tnsp.org>
parents:
251
diff
changeset
|
281 # set usql "SELECT id AS uid, url AS uurl, user AS uuser, host AS uhost, chan AS uchan, title AS utitle FROM urls WHERE utime=$uud" |
eb2fce89b8ab
urllog: Comment out some currently unused code.
Matti Hamalainen <ccr@tnsp.org>
parents:
251
diff
changeset
|
282 # urldb eval $usql { |
eb2fce89b8ab
urllog: Comment out some currently unused code.
Matti Hamalainen <ccr@tnsp.org>
parents:
251
diff
changeset
|
283 # urllog_verb_msg $urlNick $urlChan "'$utitle' - $uurl" |
eb2fce89b8ab
urllog: Comment out some currently unused code.
Matti Hamalainen <ccr@tnsp.org>
parents:
251
diff
changeset
|
284 # return 1 |
eb2fce89b8ab
urllog: Comment out some currently unused code.
Matti Hamalainen <ccr@tnsp.org>
parents:
251
diff
changeset
|
285 # } |
28 | 286 return 0 |
287 } | |
0 | 288 |
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
|
289 ### Get URL protocol component |
251
e59f0c3ea0f4
urllog: Handle first and second level redirects.
Matti Hamalainen <ccr@tnsp.org>
parents:
250
diff
changeset
|
290 set urlProto "" |
464
506977ea9d0c
urllog: Improve URL validation.
Matti Hamalainen <ccr@tnsp.org>
parents:
458
diff
changeset
|
291 if {[regexp "(\[a-z\]+)://" $urlStr urlMatch urlProto]} { |
506977ea9d0c
urllog: Improve URL validation.
Matti Hamalainen <ccr@tnsp.org>
parents:
458
diff
changeset
|
292 ### Is it a http or ftp url? |
506977ea9d0c
urllog: Improve URL validation.
Matti Hamalainen <ccr@tnsp.org>
parents:
458
diff
changeset
|
293 if {$urlProto != "http" && $urlProto != "https" && $urlProto != "ftp"} { |
506977ea9d0c
urllog: Improve URL validation.
Matti Hamalainen <ccr@tnsp.org>
parents:
458
diff
changeset
|
294 urllog_log "Broken URL from $urlNick: ($urlStr) UNSUPPORTED protocol class ($urlProto)." |
506977ea9d0c
urllog: Improve URL validation.
Matti Hamalainen <ccr@tnsp.org>
parents:
458
diff
changeset
|
295 return 0 |
506977ea9d0c
urllog: Improve URL validation.
Matti Hamalainen <ccr@tnsp.org>
parents:
458
diff
changeset
|
296 } |
506977ea9d0c
urllog: Improve URL validation.
Matti Hamalainen <ccr@tnsp.org>
parents:
458
diff
changeset
|
297 } else { |
506977ea9d0c
urllog: Improve URL validation.
Matti Hamalainen <ccr@tnsp.org>
parents:
458
diff
changeset
|
298 urllog_log "Broken URL from $urlNick: ($urlStr), no protocol specifier." |
506977ea9d0c
urllog: Improve URL validation.
Matti Hamalainen <ccr@tnsp.org>
parents:
458
diff
changeset
|
299 return 0 |
506977ea9d0c
urllog: Improve URL validation.
Matti Hamalainen <ccr@tnsp.org>
parents:
458
diff
changeset
|
300 } |
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
|
301 |
28 | 302 ### Check the PORT (if the ":" is there) |
327
a5282cdc56e6
urllog: Fix redirection handling for HTTP 1.1.
Matti Hamalainen <ccr@tnsp.org>
parents:
319
diff
changeset
|
303 set urlRecord [split $urlStr "/"] |
a5282cdc56e6
urllog: Fix redirection handling for HTTP 1.1.
Matti Hamalainen <ccr@tnsp.org>
parents:
319
diff
changeset
|
304 set urlHostName [lindex $urlRecord 2] |
a5282cdc56e6
urllog: Fix redirection handling for HTTP 1.1.
Matti Hamalainen <ccr@tnsp.org>
parents:
319
diff
changeset
|
305 set urlPort [lindex [split $urlHostName ":"] end] |
0 | 306 |
327
a5282cdc56e6
urllog: Fix redirection handling for HTTP 1.1.
Matti Hamalainen <ccr@tnsp.org>
parents:
319
diff
changeset
|
307 if {![urllog_isnumber $urlPort] && $urlPort != "" && $urlPort != $urlHostName} { |
a5282cdc56e6
urllog: Fix redirection handling for HTTP 1.1.
Matti Hamalainen <ccr@tnsp.org>
parents:
319
diff
changeset
|
308 urllog_log "Broken URL from $urlNick: ($urlStr) illegal port $urlPort" |
28 | 309 return 0 |
310 } | |
0 | 311 |
312 | |
28 | 313 set urlStr [string map $urllog_httprep $urlStr] |
251
e59f0c3ea0f4
urllog: Handle first and second level redirects.
Matti Hamalainen <ccr@tnsp.org>
parents:
250
diff
changeset
|
314 return 1 |
e59f0c3ea0f4
urllog: Handle first and second level redirects.
Matti Hamalainen <ccr@tnsp.org>
parents:
250
diff
changeset
|
315 } |
e59f0c3ea0f4
urllog: Handle first and second level redirects.
Matti Hamalainen <ccr@tnsp.org>
parents:
250
diff
changeset
|
316 |
e59f0c3ea0f4
urllog: Handle first and second level redirects.
Matti Hamalainen <ccr@tnsp.org>
parents:
250
diff
changeset
|
317 |
e59f0c3ea0f4
urllog: Handle first and second level redirects.
Matti Hamalainen <ccr@tnsp.org>
parents:
250
diff
changeset
|
318 #------------------------------------------------------------------------- |
e59f0c3ea0f4
urllog: Handle first and second level redirects.
Matti Hamalainen <ccr@tnsp.org>
parents:
250
diff
changeset
|
319 proc urllog_check_url {urlStr urlNick urlHost urlChan} { |
299
1ff281e821a3
urllog: Make rasiatube hack configurable.
Matti Hamalainen <ccr@tnsp.org>
parents:
298
diff
changeset
|
320 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
|
321 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.
Matti Hamalainen <ccr@tnsp.org>
parents:
0
diff
changeset
|
322 |
91
6f4bfd8e9447
urllog: Reorder code and make it simpler by removing duplicate checks.
Matti Hamalainen <ccr@tnsp.org>
parents:
90
diff
changeset
|
323 ### Does the URL already exist? |
6f4bfd8e9447
urllog: Reorder code and make it simpler by removing duplicate checks.
Matti Hamalainen <ccr@tnsp.org>
parents:
90
diff
changeset
|
324 if {![urllog_exists $urlStr $urlNick $urlHost $urlChan]} { |
6f4bfd8e9447
urllog: Reorder code and make it simpler by removing duplicate checks.
Matti Hamalainen <ccr@tnsp.org>
parents:
90
diff
changeset
|
325 return 1 |
6f4bfd8e9447
urllog: Reorder code and make it simpler by removing duplicate checks.
Matti Hamalainen <ccr@tnsp.org>
parents:
90
diff
changeset
|
326 } |
424
825cac46b1cb
Cosmetic / stray trailing whitespace cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
422
diff
changeset
|
327 |
251
e59f0c3ea0f4
urllog: Handle first and second level redirects.
Matti Hamalainen <ccr@tnsp.org>
parents:
250
diff
changeset
|
328 ### Validate URL compoments, etc. |
327
a5282cdc56e6
urllog: Fix redirection handling for HTTP 1.1.
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329 set urlProto "" |
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330 set urlHostName "" |
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331 if {![urllog_validate_url $urlNick $urlChan urlStr urlProto urlHostName]} { |
251
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332 return 1 |
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333 } |
0 | 334 |
267
da239a953e24
urllog: Change some setting names, etc.
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264
diff
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|
335 ### Do we perform additional checks? |
327
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336 if {$urllog_extra_checks == 0 || !(($http_tls_support != 0 && $urlProto == "https") || $urlProto == "http")} { |
230 | 337 # No optional checks, or it's not http/https. |
306 | 338 if {$urllog_extra_strict == 0} { |
304
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339 # Strict checking disabled, so add the URL, if it does not exist already. |
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340 urllog_addurl $urlStr $urlNick $urlHost $urlChan "" |
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341 return 1 |
327
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342 } elseif {$http_tls_support == 0 && $urlProto == "https"} { |
304
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343 # Strict ENABLED: If TLS support is disabled and we have https, do nothing |
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|
344 return 1 |
327
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|
345 } elseif {$urlProto != "http" && $urlProto != "https"} { |
304
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346 # Strict ENABLED: It's not http, or https |
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347 return 1 |
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|
348 } |
28 | 349 } |
7
50b52294e93e
urllog: Strip ‏ entities from titles; Some work on SSL/https support.
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4
diff
changeset
|
350 |
28 | 351 ### Does the document pointed by the URL exist? |
251
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352 if {![urllog_dorequest $urlNick $urlChan $urlStr ustatus uscode ucode udata umeta]} { |
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|
353 return 1 |
28 | 354 } |
0 | 355 |
251
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|
356 ### Handle redirects |
583
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|
357 if {$ucode >= 301 && $ucode <= 303} { |
584
9b64f201b3a7
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diff
changeset
|
358 set nurlStr $umeta(location) |
327
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|
359 if {![regexp "\[a-z\]+://" $nurlStr]} { |
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|
360 if {[string range $nurlStr 0 0] != "/"} { |
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|
361 append nurlStr "/" |
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|
362 } |
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changeset
|
363 set nurlStr "${urlProto}://${urlHostName}${nurlStr}" |
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|
364 } |
251
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365 urllog_log "Redirection: $urlStr -> $nurlStr" |
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366 set urlStr $nurlStr |
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|
367 |
327
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368 if {![urllog_validate_url $urlNick $urlChan urlStr urlProto urlHostName]} { |
251
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369 return 1 |
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|
370 } |
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|
371 |
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372 if {![urllog_dorequest $urlNick $urlChan $urlStr ustatus uscode ucode udata umeta]} { |
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373 return 1 |
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374 } |
28 | 375 } |
3
8003090caa35
Lots of code cleanups, add "fixer" for RasiaTube links (which suck) to point directly to Youtube.
Matti Hamalainen <ccr@tnsp.org>
parents:
0
diff
changeset
|
376 |
251
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377 ### Handle 2nd level redirects |
583
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|
378 if {$ucode >= 301 && $ucode <= 303} { |
584
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changeset
|
379 set nurlStr $umeta(location) |
327
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|
380 if {![regexp "\[a-z\]+://" $nurlStr]} { |
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changeset
|
381 if {[string range $nurlStr 0 0] != "/"} { |
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changeset
|
382 append nurlStr "/" |
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|
383 } |
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changeset
|
384 set nurlStr "${urlProto}://${urlHostName}${nurlStr}" |
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|
385 } |
251
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|
386 urllog_log "Redirection #2: $urlStr -> $nurlStr" |
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|
387 set urlStr $nurlStr |
116
4f3edcf72987
urllog: Improvements in document / HTTP encoding handling and conversion.
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115
diff
changeset
|
388 |
327
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urllog: Fix redirection handling for HTTP 1.1.
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319
diff
changeset
|
389 if {![urllog_validate_url $urlNick $urlChan urlStr urlProto urlHostName]} { |
251
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|
390 return 1 |
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diff
changeset
|
391 } |
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250
diff
changeset
|
392 |
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250
diff
changeset
|
393 if {![urllog_dorequest $urlNick $urlChan $urlStr ustatus uscode ucode udata umeta]} { |
e59f0c3ea0f4
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diff
changeset
|
394 return 1 |
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diff
changeset
|
395 } |
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diff
changeset
|
396 } |
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changeset
|
397 |
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diff
changeset
|
398 # Final document |
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diff
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|
399 if {$ucode >= 200 && $ucode <= 205} { |
116
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115
diff
changeset
|
400 set uenc_doc "" |
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changeset
|
401 set uenc_http "" |
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diff
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|
402 set uencoding "" |
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diff
changeset
|
403 |
4f3edcf72987
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115
diff
changeset
|
404 # Get information about specified character encodings |
584
9b64f201b3a7
urllog: Use lowercase HTTP metadata keys and sanitize them.
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parents:
583
diff
changeset
|
405 if {[info exists umeta(Content-Type)] && [regexp -nocase {charset\s*=\s*([a-z0-9._-]+)} $umeta(content-type) umatches uenc_http]} { |
116
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115
diff
changeset
|
406 # Found character set encoding information in HTTP headers |
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115
diff
changeset
|
407 } |
4f3edcf72987
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parents:
115
diff
changeset
|
408 |
150
52350ed97775
urllog: Cleanups, rename/move some global variables.
Matti Hamalainen <ccr@tnsp.org>
parents:
136
diff
changeset
|
409 if {[regexp -nocase -- "<meta.\*\?content=\"text/html.\*\?charset=(\[^\"\]*)\".\*\?/\?>" $udata umatches uenc_doc]} { |
116
4f3edcf72987
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parents:
115
diff
changeset
|
410 # 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
|
411 } elseif {[regexp -nocase -- "<meta.\*\?charset=\"(\[^\"\]*)\".\*\?/\?>" $udata umatches uenc_doc]} { |
116
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parents:
115
diff
changeset
|
412 # Found HTML5 style meta tag with character set information |
4f3edcf72987
urllog: Improvements in document / HTTP encoding handling and conversion.
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parents:
115
diff
changeset
|
413 } |
4f3edcf72987
urllog: Improvements in document / HTTP encoding handling and conversion.
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parents:
115
diff
changeset
|
414 |
4f3edcf72987
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115
diff
changeset
|
415 # Make sanitized versions of the encoding strings |
4f3edcf72987
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115
diff
changeset
|
416 set uenc_http2 [urllog_sanitize_encoding $uenc_http] |
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115
diff
changeset
|
417 set uenc_doc2 [urllog_sanitize_encoding $uenc_doc] |
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diff
changeset
|
418 |
311 | 419 # Check if the document has specified encoding |
116
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115
diff
changeset
|
420 # KLUDGE! |
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115
diff
changeset
|
421 set uencoding $uenc_http2 |
318
5d886e2137d5
urllog: Fix character set conversion a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
315
diff
changeset
|
422 if {$uencoding == "" && $uenc_doc2 != ""} { |
5d886e2137d5
urllog: Fix character set conversion a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
315
diff
changeset
|
423 set uencoding $uenc_doc2 |
5d886e2137d5
urllog: Fix character set conversion a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
315
diff
changeset
|
424 } elseif {$uencoding == ""} { |
424
825cac46b1cb
Cosmetic / stray trailing whitespace cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
422
diff
changeset
|
425 # 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
|
426 set uencoding "iso8859-1" |
4c2b6482c08c
urllog: Different strategy for charset encoding conversion.
Matti Hamalainen <ccr@tnsp.org>
parents:
84
diff
changeset
|
427 } |
0 | 428 |
311 | 429 urllog_log "Charsets: http='$uenc_http', doc='$uenc_doc' / sanitized http='$uenc_http2', doc='$uenc_doc2' -> '$uencoding'" |
430 | |
116
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115
diff
changeset
|
431 # Get the document title, if any |
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115
diff
changeset
|
432 set urlTitle "" |
470
2faf2eb18f26
urllog: Add support for Twitter meta titles.
Matti Hamalainen <ccr@tnsp.org>
parents:
469
diff
changeset
|
433 |
473
d155cec91375
urllog: Fixes to Twitter title matching.
Matti Hamalainen <ccr@tnsp.org>
parents:
472
diff
changeset
|
434 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
|
435 # ... |
2faf2eb18f26
urllog: Add support for Twitter meta titles.
Matti Hamalainen <ccr@tnsp.org>
parents:
469
diff
changeset
|
436 } 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
|
437 # ... |
2faf2eb18f26
urllog: Add support for Twitter meta titles.
Matti Hamalainen <ccr@tnsp.org>
parents:
469
diff
changeset
|
438 } |
313
8175ef52889b
urllog: Improve URL title functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
312
diff
changeset
|
439 |
8175ef52889b
urllog: Improve URL title functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
312
diff
changeset
|
440 # If facebook, get meta info |
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urllog: Improve URL title functionality.
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parents:
312
diff
changeset
|
441 if {[regexp -nocase -- "(http|https):\/\/www.facebook.com" $urlStr]} { |
8175ef52889b
urllog: Improve URL title functionality.
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parents:
312
diff
changeset
|
442 if {[regexp -nocase -- "<meta name=\"description\" content=\"(.\*\?)\"" $udata umatches urlTmp]} { |
8175ef52889b
urllog: Improve URL title functionality.
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parents:
312
diff
changeset
|
443 if {$urlTitle != ""} { append urlTitle " :: " } |
8175ef52889b
urllog: Improve URL title functionality.
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parents:
312
diff
changeset
|
444 append urlTitle $urlTmp |
8175ef52889b
urllog: Improve URL title functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
312
diff
changeset
|
445 } |
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Matti Hamalainen <ccr@tnsp.org>
parents:
312
diff
changeset
|
446 } |
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urllog: Improve URL title functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
312
diff
changeset
|
447 |
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urllog: Improve URL title functionality.
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parents:
312
diff
changeset
|
448 # If character set conversion is required, do it now |
8175ef52889b
urllog: Improve URL title functionality.
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449 if {$urlTitle != "" && $uencoding != ""} { |
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450 if {[catch {set urlTitle [encoding convertfrom $uencoding $urlTitle]} cerrmsg]} { |
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451 urllog_log "Error in charset conversion: $cerrmsg" |
28 | 452 } |
150
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453 |
116
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454 # Convert some HTML entities to plaintext and do some cleanup |
291
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455 set utmp [utl_convert_html_ent $urlTitle] |
116
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456 regsub -all "\r|\n|\t" $utmp " " utmp |
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457 regsub -all " *" $utmp " " utmp |
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458 set urlTitle [string trim $utmp] |
28 | 459 } |
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460 |
83
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461 # Check if the URL already exists, just in case we had some redirects |
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462 if {[urllog_exists $urlStr $urlNick $urlHost $urlChan]} { |
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463 urllog_addurl $urlStr $urlNick $urlHost $urlChan $urlTitle |
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464 } |
28 | 465 return 1 |
466 } else { | |
116
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467 urllog_verb_msg $urlNick $urlChan "$urlmsg_errorgettingdoc ($ucode)" |
224
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468 urllog_log "Error fetching document: status=$ustatus, code=$ucode, scode=$uscode, url=$urlStr" |
28 | 469 } |
0 | 470 } |
471 | |
472 | |
473 #------------------------------------------------------------------------- | |
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474 |
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475 |
249 | 476 proc urllog_check_line {unick uhost uhand uchan utext} { |
219
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477 global urllog_log_channels |
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478 |
28 | 479 ### Check the nick |
87 | 480 if {$unick == "*"} { |
249 | 481 urllog_log "urllog_check_line: Nick was wc, this should not happen." |
28 | 482 return 0 |
483 } | |
0 | 484 |
219
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485 ### Check the channel |
315
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486 if {[utl_match_delim_list $urllog_log_channels $uchan]} { |
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487 ### Do the URL checking |
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488 foreach str [split $utext " "] { |
464
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489 if {[regexp "(\[a-z]+://\[^\[:space:\]\]+|^(www|ftp)\.\[^\[:space:\]\]+)" $str ulink]} { |
315
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490 urllog_check_url $str $unick $uhost $uchan |
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491 } |
28 | 492 } |
493 } | |
0 | 494 |
28 | 495 return 0 |
0 | 496 } |
497 | |
498 | |
499 #------------------------------------------------------------------------- | |
500 ### Parse arguments, find and show the results | |
501 proc urllog_find {unick uhand uchan utext upublic} { | |
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502 global urllog_shorturl urldb |
28 | 503 global urllog_showmax_pub urllog_showmax_priv urlmsg_nomatch |
0 | 504 |
28 | 505 if {$upublic == 0} { |
506 set ulimit 5 | |
507 } else { | |
508 set ulimit 3 | |
509 } | |
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510 |
28 | 511 ### Parse the given command |
512 urllog_log "$unick/$uhand searched URL: $utext" | |
0 | 513 |
28 | 514 set ftokens [split $utext " "] |
515 set fpatlist "" | |
516 foreach ftoken $ftokens { | |
517 set fprefix [string range $ftoken 0 0] | |
518 set fpattern [string range $ftoken 1 end] | |
295
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519 set qpattern "'%[utl_escape $fpattern]%'" |
0 | 520 |
28 | 521 if {$fprefix == "-"} { |
128
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522 lappend fpatlist "(url NOT LIKE $qpattern OR title NOT LIKE $qpattern)" |
28 | 523 } elseif {$fprefix == "%"} { |
128
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524 lappend fpatlist "user LIKE $qpattern" |
28 | 525 } elseif {$fprefix == "@"} { |
526 # foo | |
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527 } elseif {$fprefix == "+"} { |
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528 lappend fpatlist "(url LIKE $qpattern OR title LIKE $qpattern)" |
28 | 529 } else { |
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530 set qpattern "'%[utl_escape $ftoken]%'" |
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531 lappend fpatlist "(url LIKE $qpattern OR title LIKE $qpattern)" |
28 | 532 } |
533 } | |
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534 |
27
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535 if {[llength $fpatlist] > 0} { |
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536 set fquery "WHERE [join $fpatlist " AND "]" |
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537 } else { |
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538 set fquery "" |
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539 } |
68 | 540 |
28 | 541 set iresults 0 |
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542 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 | 543 urldb eval $usql { |
28 | 544 incr iresults |
545 set shortURL $uurl | |
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546 if {$urllog_shorturl != 0 && $uid != ""} { |
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547 set shortURL "$shortURL [urllog_get_short $uid]" |
28 | 548 } |
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549 urllog_msg $upublic $unick $uchan "#$iresults: $shortURL ($uuser@[utl_ctime $utime])" |
28 | 550 } |
424
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551 |
28 | 552 if {$iresults == 0} { |
553 # If no URLs were found | |
554 urllog_msg $upublic $unick $uchan $urlmsg_nomatch | |
555 } | |
0 | 556 |
28 | 557 return 0 |
0 | 558 } |
559 | |
560 | |
561 #------------------------------------------------------------------------- | |
562 ### Finding binded functions | |
531
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563 proc urllog_pub_cmd_urlfind {unick uhost uhand uchan utext} { |
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564 global urllog_search_channels |
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565 |
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566 if {[utl_match_delim_list $urllog_search_channels $uchan]} { |
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567 return [urllog_find $unick $uhand $uchan $utext 1] |
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568 } |
28 | 569 return 0 |
0 | 570 } |
571 | |
572 | |
531
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573 proc urllog_msg_cmd_urlfind {unick uhost uhand utext} { |
28 | 574 urllog_find $unick $uhand "" $utext 0 |
575 return 0 | |
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576 } |
0 | 577 |
560 | 578 |
579 #------------------------------------------------------------------------- | |
580 # Script initialization | |
581 #------------------------------------------------------------------------- | |
570 | 582 ### Initialization messages |
560 | 583 putlog "$urllog_message" |
584 | |
570 | 585 |
586 ### Miscellaneous init messages | |
560 | 587 if {$urllog_extra_checks != 0} { |
588 putlog " - Additional URL validity checks enabled." | |
589 } | |
590 | |
591 if {$urllog_verbose != 0} { | |
592 putlog " - Verbose mode enabled." | |
593 } | |
594 | |
570 | 595 |
560 | 596 ### HTTP module initialization |
597 if {[info exists http_user_agent] && $http_user_agent != ""} { | |
598 ::http::config -useragent $http_user_agent | |
599 } else { | |
600 ::http::config -useragent "$urllog_name/$urllog_version" | |
601 } | |
602 | |
603 if {[info exists http_use_proxy] && $http_use_proxy != 0} { | |
604 ::http::config -proxyhost $http_proxy_host -proxyport $http_proxy_port | |
605 putlog " - Using proxy $http_proxy_host:$http_proxy_port" | |
606 } | |
607 | |
608 if {[info exists http_tls_support] && $http_tls_support != 0} { | |
609 package require tls | |
610 ::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] | |
611 putlog " - TLS/SSL support enabled." | |
612 } | |
613 | |
614 | |
615 ### SQLite database initialization | |
616 if {[catch {sqlite3 urldb $urllog_db_file} uerrmsg]} { | |
561 | 617 putlog "Could not open SQLite3 database '${urllog_db_file}': ${uerrmsg}" |
560 | 618 exit 2 |
619 } | |
620 | |
621 | |
0 | 622 # end of script |