#!/usr/bin/tclsh
-# $Id: robot.tcl,v 1.17 2001/06/07 08:10:10 adam Exp $
+# $Id: robot.tcl,v 1.23 2001/10/31 08:51:49 adam Exp $
#
proc RobotFileNext1 {area lead} {
# puts "RobotFileNext1 area=$area lead=$lead"
}
proc RobotFileNext {area} {
- global robotSeq global idleTime ns
+ global robotSeq global idletime ns
# puts "RobotFileNext robotSeq=$robotSeq"
if {$robotSeq < 0} {
if {![string length $n]} {
set robotSeq -1
flush stdout
- puts "------------ N E X T R O U N D --------"
+ puts "Round robin"
return wait
}
incr robotSeq
proc RobotStart {} {
global URL
- global robotsRunning robotsMax idleTime
+ global robotsRunning robotsMax idletime
# puts "RobotStart"
while {1} {
}
incr robotsRunning
if {[string compare $url wait] == 0} {
- after $idleTime RobotRR
+ after $idletime RobotRR
return
}
set r [RobotGetUrl $url {}]
}
proc RobotHref {url hrefx hostx pathx} {
- global URL domains
+ global URL domains debuglevel
upvar $hrefx href
upvar $hostx host
upvar $pathx path
- puts "Ref url = $url href=$href"
+ if {$debuglevel > 1} {
+ puts "Ref input url = $url href=$href"
+ }
if {[string first { } $href] >= 0} {
return 0
if {[string length $href] > 256} {
return 0
}
+ if {[string first {?} $href] >= 0} {
+ return 0
+ }
if {[string first {?} $url] >= 0 && [string first {?} $href] >= 0} {
return 0
}
switch -- $c {
.. {
if {$pathl > 0} {
- incr pathl -1
+ incr pathl -2
set path [lrange $path 0 $pathl]
+ incr pathl
}
}
. {
}
regsub -all {~} $path {%7E} path
set href "$method://$host$path"
- puts "Ref href = $href"
- return 1
+
+ if {$debuglevel > 1} {
+ puts "Ref result = $href"
+ }
+ return [checkrule url $href]
}
proc RobotError {url code} {
global URL
- puts "Bad URL $url, $code"
+ puts "Bad URL $url (code $code)"
set fromurl {}
set distance -1
if {[RobotFileExist unvisited $URL($url,hostport) $URL($url,path)]} {
}
proc RobotTextHtml {url out} {
- global URL maxDistance
+ global URL maxdistance
set distance 0
- if {$maxDistance < 1000 && [info exists URL($url,dist)]} {
+ if {$maxdistance < 1000 && [info exists URL($url,dist)]} {
set distance [expr $URL($url,dist) + 1]
}
htmlSwitch $URL($url,buf) \
puts "no href"
continue
}
- if {[expr $distance <= $maxDistance]} {
+ if {[expr $distance <= $maxdistance]} {
set href [string trim $parm(href)]
if {![RobotHref $url href host path]} continue
puts "no href"
continue
}
- if {[expr $distance <= $maxDistance]} {
+ if {[expr $distance <= $maxdistance]} {
set href [string trim $parm(href)]
if {![RobotHref $url href host path]} continue
global URL agent
set section 0
foreach l [split $buf \n] {
- if {[regexp {([-A-Za-z]+):[ \t]*([^\#\t ]+)} $l match cmd arg]} {
+ if {[regexp {([-A-Za-z]+):[ ]*([^\# ]+)} $l match cmd arg]} {
puts "cmd=$cmd arg=$arg"
switch -- [string tolower $cmd] {
user-agent {
global URL
puts $out "<documentcontent>"
- puts $out $URL($url,buf)
+ regsub -all {<} $URL($url,buf) {\<} content
+ puts $out $content
puts $out "</documentcontent>"
if {![string compare $URL($url,path) /robots.txt]} {
}
}
-proc Robot200 {url} {
+proc RobotWriteMetadata {url out} {
global URL domains
-
- set out [RobotFileOpen raw $URL($url,hostport) $URL($url,path)]
- puts -nonewline $out $URL($url,buf)
- RobotFileClose $out
- set out [RobotFileOpen visited $URL($url,hostport) $URL($url,path)]
puts $out "<zmbot>"
set distance 1000
headSave $url $out
puts "Parsing $url distance=$distance"
switch $URL($url,head,content-type) {
- text/html {
- if {[string length $distance]} {
- RobotTextHtml $url $out
- }
- }
- text/plain {
- RobotTextPlain $url $out $outr
- }
- application/pdf {
- set pdff [open test.pdf w]
- puts -nonewline $pdff $URL($url,buf)
- close $pdff
- }
+ text/html {
+ if {[string length $distance]} {
+ RobotTextHtml $url $out
+ }
+ }
+ text/plain {
+ RobotTextPlain $url $out
+ }
+ application/pdf {
+ set pdff [open test.pdf w]
+ puts -nonewline $pdff $URL($url,buf)
+ close $pdff
+ }
}
puts $out "</zmbot>"
+}
+
+proc Robot200 {url} {
+ global URL domains
+
+ set out [RobotFileOpen raw $URL($url,hostport) $URL($url,path)]
+ puts -nonewline $out $URL($url,buf)
+ RobotFileClose $out
+
+ if {![checkrule mime $URL($url,head,content-type)]} {
+ RobotError $url mimedeny
+ return
+ }
+ set out [RobotFileOpen visited $URL($url,hostport) $URL($url,path)]
+ RobotWriteMetadata $url $out
RobotFileClose $out
- # puts "Parsing done"
+
+ if {[file isdirectory flat]} {
+ regsub -all {/} $URL($url,hostport).$URL($url,path) {.} fname
+ set out [open "flat/$fname" w]
+ RobotWriteMetadata $url $out
+ close $out
+ }
RobotFileUnlink unvisited $URL($url,hostport) $URL($url,path)
}
proc RobotReadContent {url sock binary} {
global URL
- puts "RobotReadContent $url"
set buffer [read $sock 16384]
set readCount [string length $buffer]
}
proc RobotReadHeader {url sock} {
- global URL
+ global URL debuglevel
- puts "RobotReadHeader $url"
+ if {$debuglevel > 1} {
+ puts "HTTP head $url"
+ }
if {[catch {set buffer [read $sock 2148]}]} {
RobotError $url 404
RobotRestart $url $sock
set URL($url,head,[string tolower $name]) [string trim $value]
}
}
- puts "code = $code"
+ puts "HTTP CODE $code"
set URL($url,state) skip
switch $code {
301 {
}
proc RobotConnect {url sock} {
- global URL agent
+ global URL agent acceptLanguage
fconfigure $sock -translation {lf crlf} -blocking 0
fileevent $sock readable [list RobotReadHeader $url $sock]
puts $sock "GET $URL($url,path) HTTP/1.0"
puts $sock "Host: $URL($url,host)"
puts $sock "User-Agent: $agent"
+ if {[string length $acceptLanguage]} {
+ puts $sock "Accept-Language: $acceptLanguage"
+ }
puts $sock ""
flush $sock
set URL($sock,cancel) [after 30000 [list RobotSockCancel $url $sock]]
proc RobotGetUrl {url phost} {
global URL robotsRunning
flush stdout
- puts "RobotGetUrl --------- robotsRunning=$robotsRunning url=$url"
+ puts "Retrieve $robotsRunning url=$url"
if {![regexp {([^:]+)://([^/]+)(.*)} $url x method hostport path]} {
return -1
}
}
}
-set agent "zmbot/0.0"
+set agent "zmbot/0.1"
if {![catch {set os [exec uname -s -r]}]} {
set agent "$agent ($os)"
}
set robotsRunning 0
set robotSeq 0
set workdir [pwd]
-set idleTime 60000
+set idletime 60000
+set acceptLanguage {}
set i 0
set l [llength $argv]
-# For testing only
-if {0} {
- set url "http://www.sportsfiskeren.dk/sportsfiskeren/corner/index.htm"
- set href "../../data/../../data2/newsovs.asp?Mode=5"
-
- set URL($url,path) /sportsfiskeren/corner/index.htm
- set URL($url,hostport) www.sportsfiskeren.dk
- RobotHref $url href host path
- exit 0
-}
-
if {$l < 2} {
- puts {tclrobot: usage [-j jobs] [-i idle] [-c count] [-d domain] [url ..]}
+ puts {tclrobot: usage:}
+ puts {tclrobot [-j jobs] [-i idle] [-c count] [-d domain] [-r rules] [url ..]}
puts " Example: -c 3 -d '*.dk' http://www.indexdata.dk/"
exit 1
}
+# Rules: allow, deny, url
+set debuglevel 0
+
+proc checkrule {type this} {
+ global alrules
+ global debuglevel
+
+ if {$debuglevel > 3} {
+ puts "CHECKRULE $type $this"
+ }
+ if {[info exist alrules]} {
+ foreach l $alrules {
+ if {$debuglevel > 3} {
+ puts "consider $l"
+ }
+ # consider type
+ if {[lindex $l 1] != $type} continue
+ # consider mask (! negates)
+ set mask [lindex $l 2]
+ if {[string index $mask 0] == "!"} {
+ set mask [string range $mask 1 end]
+ if {[string match $mask $this]} continue
+ } else {
+ if {![string match $mask $this]} continue
+ }
+ # OK, we have a match
+ if {[lindex $l 0] == "allow"} {
+ if {$debuglevel > 3} {
+ puts "CHECKRULE MATH OK"
+ }
+ return 1
+ } else {
+ if {$debuglevel > 3} {
+ puts "CHECKFULE MATCH FAIL"
+ }
+ return 0
+ }
+ }
+ }
+ if {$debuglevel > 3} {
+ puts "CHECKRULE MATH OK"
+ }
+ return 1
+}
+
+
+proc url {href} {
+ global debuglevel
+
+ if {[RobotHref http://www.indexdata.dk/ href host path]} {
+ if {![RobotFileExist visited $host $path]} {
+ set outf [RobotFileOpen unvisited $host $path]
+ RobotWriteRecord $outf href 0
+ RobotFileClose $outf
+ }
+ }
+}
+
+proc deny {type stuff} {
+ global alrules
+
+ lappend alrules [list deny $type $stuff]
+}
+
+proc allow {type stuff} {
+ global alrules
+
+ lappend alrules [list allow $type $stuff]
+}
+
+proc debug {level} {
+ global debuglevel
+
+ set debuglevel $level
+}
+
+# Parse options
+
while {$i < $l} {
set arg [lindex $argv $i]
switch -glob -- $arg {
}
}
-c* {
- set maxDistance [string range $arg 2 end]
- if {![string length $maxDistance]} {
- set maxDistance [lindex $argv [incr i]]
+ set maxdistance [string range $arg 2 end]
+ if {![string length $maxdistance]} {
+ set maxdistance [lindex $argv [incr i]]
}
}
-d* {
lappend domains $dom
}
-i* {
- set idleTime [string range $arg 2 end]
- if {![string length $idleTime]} {
- set idleTime [lindex $argv [incr i]]
+ set idletime [string range $arg 2 end]
+ if {![string length $idletime]} {
+ set idletime [lindex $argv [incr i]]
}
}
+ -l* {
+ set acceptLanguage [string range $arg 2 end]
+ if {![string length $acceptLanguage]} {
+ set acceptLanguage [lindex $argv [incr i]]
+ }
+ }
+ -r* {
+ set rfile [string range $arg 2 end]
+ if {![string length $rfile]} {
+ set rfile [lindex $argv [incr i]]
+ }
+ source $rfile
+ }
default {
set href $arg
if {[RobotHref http://www.indexdata.dk/ href host path]} {
if {![info exist domains]} {
set domains {*}
}
-if {![info exist maxDistance]} {
- set maxDistance 50
+if {![info exist maxdistance]} {
+ set maxdistance 50
}
if {![info exist robotsMax]} {
set robotsMax 5
}
puts "domains=$domains"
-puts "max distance=$maxDistance"
+puts "max distance=$maxdistance"
puts "max jobs=$robotsMax"
RobotStart