X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=robot.tcl;h=bfe875f339e32169de55f564fdd4aec58d213643;hb=bd463f7d1f1610a3c7a3d9e678f5c4ff27f9d546;hp=6323bc3421614b9ce1eb447fbcb73fdd53445959;hpb=4d94083b545d3665a3ceca7962ebb6788bc62dd3;p=tclrobot.git
diff --git a/robot.tcl b/robot.tcl
index 6323bc3..bfe875f 100755
--- a/robot.tcl
+++ b/robot.tcl
@@ -1,5 +1,5 @@
#!/usr/bin/tclsh
-# $Id: robot.tcl,v 1.19 2001/06/29 21:47:31 adam Exp $
+# $Id: robot.tcl,v 1.32 2002/03/25 16:11:08 adam Exp $
#
proc RobotFileNext1 {area lead} {
# puts "RobotFileNext1 area=$area lead=$lead"
@@ -50,7 +50,9 @@ proc RobotReadRecord {inf fromurlx distancex} {
}
proc RobotFileNext {area} {
- global robotSeq global idleTime ns
+ global robotSeq
+ global idletime ns
+ global status
# puts "RobotFileNext robotSeq=$robotSeq"
if {$robotSeq < 0} {
@@ -67,7 +69,9 @@ proc RobotFileNext {area} {
if {![string length $n]} {
set robotSeq -1
flush stdout
- puts "------------ N E X T R O U N D --------"
+ set statusfile [open status w]
+ puts $statusfile "$status(unvisited) $status(bad) $status(visited)"
+ close $statusfile
return wait
}
incr robotSeq
@@ -87,18 +91,25 @@ proc RobotFileNext {area} {
proc RobotFileExist {area host path} {
- # puts "RobotFileExist begin area=$area host=$host path=$path"
+ global debuglevel
+
+ if {$debuglevel > 3} {
+ puts "RobotFileExist begin area=$area host=$host path=$path"
+ }
set lpath [split $path /]
set l [llength $lpath]
incr l -1
set t [lindex $lpath $l]
incr l -1
set npath $area/$host[join [lrange $lpath 0 $l] /d]/f$t
- # puts "RobotFileExist end npath=$npath"
+ if {$debuglevel > 3} {
+ puts "RobotFileExist end npath=$npath"
+ }
return [file exists $npath]
}
proc RobotFileUnlink {area host path} {
+ global status
# puts "RobotFileUnlink begin"
# puts "area=$area host=$host path=$path"
set lpath [split $path /]
@@ -109,10 +120,12 @@ proc RobotFileUnlink {area host path} {
set npath $area/$host[join [lrange $lpath 0 $l] /d]/f$t
# puts "npath=$npath"
set comp [split $npath /]
+ if {[catch {exec rm [join $comp /]}]} return
+
set l [llength $comp]
incr l -1
- if {[catch {exec rm [join $comp /]}]} return
incr l -1
+ incr status($area) -1
for {set i $l} {$i > 0} {incr i -1} {
set path [join [lrange $comp 0 $i] /]
if {![catch {glob $path/*}]} return
@@ -130,11 +143,15 @@ proc RobotFileClose {out} {
proc RobotFileOpen {area host path {mode w}} {
set orgPwd [pwd]
global workdir
+ global status
+ global debuglevel
if {![info exists workdir]} {
return stdout
}
- #puts "RobotFileOpen orgPwd=$orgPwd area=$area host=$host path=$path mode=$mode"
+ if {$debuglevel > 3} {
+ puts "RobotFileOpen orgPwd=$orgPwd area=$area host=$host path=$path mode=$mode"
+ }
if {[string compare $orgPwd $workdir]} {
puts "ooops. RobotFileOpen failed"
puts "workdir = $workdir"
@@ -154,22 +171,24 @@ proc RobotFileOpen {area host path {mode w}} {
exec mkdir $d
cd ./$d
if {![string compare $area unvisited] && $i == 1 && $mode == "w"} {
- set out [open frobots.txt w]
- puts "creating robots.txt in $d"
- close $out
+ if {[string compare $path /robots.txt]} {
+ set out [open frobots.txt w]
+ puts "creating robots.txt in $d"
+ close $out
+ incr status(unvisited)
+ }
}
}
}
set d [lindex $comp $len]
if {[string length $d]} {
- if {[file isdirectory $d]} {
- set out [open $d/f $mode]
- } else {
- set out [open f$d $mode]
- }
+ set out [open f$d $mode]
} else {
set out [open f $mode]
}
+ if {$mode == "w"} {
+ incr status($area)
+ }
cd $orgPwd
return $out
}
@@ -201,7 +220,7 @@ proc RobotRestart {url sock} {
proc RobotStart {} {
global URL
- global robotsRunning robotsMax idleTime
+ global robotsRunning robotsMax idletime
# puts "RobotStart"
while {1} {
@@ -211,7 +230,7 @@ proc RobotStart {} {
}
incr robotsRunning
if {[string compare $url wait] == 0} {
- after $idleTime RobotRR
+ after $idletime RobotRR
return
}
set r [RobotGetUrl $url {}]
@@ -254,12 +273,14 @@ proc headSave {url out} {
}
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
@@ -267,12 +288,12 @@ proc RobotHref {url hrefx hostx pathx} {
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
- }
+# if {[string first {?} $href] >= 0} {
+# return 0
+# }
+# if {[string first {?} $url] >= 0 && [string first {?} $href] >= 0} {
+# return 0
+# }
# get method (if any)
if {![regexp {^([^/:]+):(.*)} $href x method hpath]} {
set hpath $href
@@ -308,7 +329,11 @@ proc RobotHref {url hrefx hostx pathx} {
}
if {[string first / $surl]} {
# relative path
- regexp {^([^\#?]*)} $URL($url,path) x dpart
+ set curpath $URL($url,path)
+ if {[info exists URL($url,bpath)]} {
+ set curpath $URL($url,bpath)
+ }
+ regexp {^([^\#?]*)} $curpath x dpart
set l [string last / $dpart]
if {[expr $l >= 0]} {
set surl [string range $dpart 0 $l]$surl
@@ -322,9 +347,10 @@ proc RobotHref {url hrefx hostx pathx} {
foreach c $surllist {
switch -- $c {
.. {
- if {$pathl > 0} {
- incr pathl -1
+ if {$pathl > 1} {
+ incr pathl -2
set path [lrange $path 0 $pathl]
+ incr pathl
}
}
. {
@@ -336,21 +362,26 @@ proc RobotHref {url hrefx hostx pathx} {
}
}
}
- if {$pathl} {
- set path [join $path /]
- } else {
- set path ""
+ if {$debuglevel > 4} {
+ puts "pathl=$pathl output path=$path"
+ }
+ set path [join $path /]
+ if {![string length $path]} {
+ set path /
}
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)]} {
@@ -415,131 +446,142 @@ proc RobotRedirect {url tourl code} {
}
}
+proc link {url out href body distance} {
+ global URL maxdistance
+ if {[expr $distance > $maxdistance]} return
+
+ if {![RobotHref $url href host path]} return
+
+ puts $out ""
+ puts $out "$href"
+ puts $out "$body"
+ puts $out ""
+
+ if {![RobotFileExist visited $host $path]} {
+ set olddistance 1000
+ if {![RobotFileExist bad $host $path]} {
+ if {[RobotFileExist unvisited $host $path]} {
+ set inf [RobotFileOpen unvisited $host $path r]
+ RobotReadRecord $inf oldurl olddistance
+ RobotFileClose $inf
+ }
+ } else {
+ set olddistance 0
+ }
+ if {[string length $olddistance] == 0} {
+ set olddistance 1000
+ }
+ if {[expr $distance < $olddistance]} {
+ set outf [RobotFileOpen unvisited $host $path]
+ RobotWriteRecord $outf $url $distance
+ RobotFileClose $outf
+ }
+ } elseif {[string compare $href $url]} {
+ set inf [RobotFileOpen visited $host $path r]
+ RobotReadRecord $inf xurl olddistance
+ close $inf
+ if {[string length $olddistance] == 0} {
+ set olddistance 1000
+ }
+ if {[expr $distance < $olddistance]} {
+ puts "OK remarking url=$url href=$href"
+ puts "olddistance = $olddistance"
+ puts "newdistance = $distance"
+ set outf [RobotFileOpen unvisited $host $path]
+ RobotWriteRecord $outf $url $distance
+ RobotFileClose $outf
+ }
+ }
+}
+
proc RobotTextHtml {url out} {
- global URL maxDistance
+ global URL maxdistance
+
+ # set title so we can emit it for the body
+ set title {}
+ # if true, nothing will be indexed
+ set noindex 0
+ # if true, nothing will be followed
+ set nofollow 0
set distance 0
- if {$maxDistance < 1000 && [info exists URL($url,dist)]} {
- set distance [expr $URL($url,dist) + 1]
+ set fdistance 0
+ if {$maxdistance < 1000 && [info exists URL($url,dist)]} {
+ set fdistance $URL($url,dist)
+ set distance [expr $fdistance + 1]
}
htmlSwitch $URL($url,buf) \
title {
- puts $out "$body"
+ set title $body
} -nonest meta {
+ # collect metadata and save NAME= CONTENT=..
+ set metaname {}
+ set metacontent {}
puts -nonewline $out ""
+ # go through robots directives (af any)
+ if {![string compare $metaname robots]} {
+ set direcs [split [string tolower $metacontent] ,]
+ if {[lsearch $direcs noindex] >= 0} {
+ set noindex 1
+ }
+ if {[lsearch $direcs nofollow] >= 0} {
+ set nofollow 1
+ }
}
- puts $out {>}
} body {
- regsub -all -nocase {))*} $body {} abody
- regsub -all {<[^\>]+>} $abody {} nbody
- puts $out ""
- puts $out $nbody
- puts $out ""
- } -nonest a {
+ # don't print title of document content if noindex is used
+ if {!$noindex} {
+ puts $out "$title"
+ regsub -all {} $body { } abody
+ regsub -all -nocase {} $abody {} bbody
+ regsub -all {<[^\>]+>} $bbody {} nbody
+ puts $out ""
+ puts $out $nbody
+ puts $out ""
+ }
+ } -nonest base {
+ #
if {![info exists parm(href)]} {
- puts "no href"
continue
}
- if {[expr $distance <= $maxDistance]} {
- set href [string trim $parm(href)]
- if {![RobotHref $url href host path]} continue
-
- puts $out ""
- puts $out "$href"
- puts $out "$body"
- puts $out ""
-
- if {![RobotFileExist visited $host $path]} {
- set olddistance 1000
- if {![RobotFileExist bad $host $path]} {
- if {[RobotFileExist unvisited $host $path]} {
- set inf [RobotFileOpen unvisited $host $path r]
- RobotReadRecord $inf oldurl olddistance
- RobotFileClose $inf
- }
- } else {
- set olddistance 0
- }
- if {[string length $olddistance] == 0} {
- set olddistance 1000
- }
- if {[expr $distance < $olddistance]} {
- set outf [RobotFileOpen unvisited $host $path]
- RobotWriteRecord $outf $url $distance
- RobotFileClose $outf
- }
- } elseif {[string compare $href $url]} {
- set inf [RobotFileOpen visited $host $path r]
- RobotReadRecord $inf xurl olddistance
- close $inf
- if {[string length $olddistance] == 0} {
- set olddistance 1000
- }
- if {[expr $distance < $olddistance]} {
- puts "OK remarking url=$url href=$href"
- puts "olddistance = $olddistance"
- puts "newdistance = $distance"
- set outf [RobotFileOpen unvisited $host $path]
- RobotWriteRecord $outf $url $distance
- RobotFileClose $outf
- }
- }
- }
+ set href [string trim $parm(href)]
+ if {![RobotHref $url href host path]} continue
+ set URL($url,bpath) $path
+ } a {
+ # ..
+ # we're not using nonest - otherwise body isn't set
+ if {$nofollow} continue
+ if {![info exists parm(href)]} {
+ continue
+ }
+ link $url $out [string trim $parm(href)] $body $distance
} -nonest area {
+ if {$nofollow} continue
if {![info exists parm(href)]} {
- puts "no href"
continue
}
- if {[expr $distance <= $maxDistance]} {
- set href [string trim $parm(href)]
- if {![RobotHref $url href host path]} continue
-
- puts $out ""
- puts $out "$href"
- puts $out ""
- puts $out ""
-
- if {![RobotFileExist visited $host $path]} {
- set olddistance 1000
- if {![RobotFileExist bad $host $path]} {
- if {[RobotFileExist unvisited $host $path]} {
- set inf [RobotFileOpen unvisited $host $path r]
- RobotReadRecord $inf oldurl olddistance
- RobotFileClose $inf
- }
- } else {
- set olddistance 0
- }
- if {[string length $olddistance] == 0} {
- set olddistance 1000
- }
- if {[expr $distance < $olddistance]} {
- set outf [RobotFileOpen unvisited $host $path]
- RobotWriteRecord $outf $url $distance
- RobotFileClose $outf
- }
- } elseif {[string compare $href $url]} {
- set inf [RobotFileOpen visited $host $path r]
- RobotReadRecord $inf xurl olddistance
- close $inf
- if {[string length $olddistance] == 0} {
- set olddistance 1000
- }
- if {[expr $distance < $olddistance]} {
- puts "OK remarking url=$url href=$href"
- puts "olddistance = $olddistance"
- puts "newdistance = $distance"
- set outf [RobotFileOpen unvisited $host $path]
- RobotWriteRecord $outf $url $distance
- RobotFileClose $outf
- }
- }
- }
+ link $url $out [string trim $parm(href)] $body $distance
+ } -nonest frame {
+ if {![info exists parm(src)]} {
+ continue
+ }
+ link $url $out [string trim $parm(src)] $body $fdistance
}
}
@@ -591,14 +633,9 @@ proc RobotTextPlain {url out} {
}
}
-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 ""
set distance 1000
@@ -614,30 +651,35 @@ proc Robot200 {url} {
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
- }
- 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
+ }
}
puts $out ""
+}
+
+proc Robot200 {url} {
+ 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)]
+ RobotWriteMetadata $url $out
RobotFileClose $out
- # puts "Parsing done"
+
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]
@@ -654,12 +696,15 @@ proc RobotReadContent {url sock binary} {
}
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
+ return
}
set readCount [string length $buffer]
@@ -685,7 +730,7 @@ proc RobotReadHeader {url sock} {
set URL($url,head,[string tolower $name]) [string trim $value]
}
}
- puts "code = $code"
+ puts "HTTP CODE $code"
set URL($url,state) skip
switch $code {
301 {
@@ -700,12 +745,19 @@ proc RobotReadHeader {url sock} {
if {![info exists URL($url,head,content-type)]} {
set URL($url,head,content-type) {}
}
- set binary 0
- switch $URL($url,head,content-type) {
- application/pdf {
- set binary 1
+ set binary 1
+ switch -glob -- $URL($url,head,content-type) {
+ text/* {
+ set binary 0
}
}
+ if {![regexp {/robots.txt$} $url]} {
+ if {![checkrule mime $URL($url,head,content-type)]} {
+ RobotError $url mimedeny
+ RobotRestart $url $sock
+ return
+ }
+ }
fileevent $sock readable [list RobotReadContent $url $sock $binary]
}
default {
@@ -747,7 +799,7 @@ proc RobotNop {} {
proc RobotGetUrl {url phost} {
global URL robotsRunning
flush stdout
- puts "RobotGetUrl --------- robotsRunning=$robotsRunning url=$url"
+ puts "Retrieve $robotsRunning url=$url"
if {![regexp {([^:]+)://([^/]+)(.*)} $url x method hostport path]} {
return -1
}
@@ -803,7 +855,7 @@ if {![llength [info commands htmlSwitch]]} {
}
}
-set agent "zmbot/0.0"
+set agent "zmbot/0.1"
if {![catch {set os [exec uname -s -r]}]} {
set agent "$agent ($os)"
}
@@ -819,29 +871,113 @@ proc bgerror {m} {
set robotsRunning 0
set robotSeq 0
set workdir [pwd]
-set idleTime 60000
+set idletime 60000
set acceptLanguage {}
+set debuglevel 0
+set status(unvisited) 0
+set status(visited) 0
+set status(bad) 0
+set status(raw) 0
-set i 0
-set l [llength $argv]
-# For testing only
-if {0} {
- set url "http://www.sportsfiskeren.dk/sportsfiskeren/corner/index.htm"
- set href "../../data/../../data2/newsovs.asp?Mode=5"
+# Rules: allow, deny, url
- set URL($url,path) /sportsfiskeren/corner/index.htm
- set URL($url,hostport) www.sportsfiskeren.dk
- RobotHref $url href host path
- exit 0
+proc checkrule {type this} {
+ global alrules
+ global debuglevel
+
+ if {$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 masks [lindex $l 2]
+ set ok 0
+ foreach mask $masks {
+ if {$debuglevel > 4} {
+ puts "consider single mask $mask"
+ }
+ if {[string index $mask 0] == "!"} {
+ set mask [string range $mask 1 end]
+ if {[string match $mask $this]} continue
+ } else {
+ if {![string match $mask $this]} continue
+ }
+ set ok 1
+ }
+ if {$debuglevel > 4} {
+ puts "ok = $ok"
+ }
+ if {!$ok} continue
+ # OK, we have a match
+ if {[lindex $l 0] == "allow"} {
+ if {$debuglevel > 3} {
+ puts "CHECKRULE MATCH OK"
+ }
+ return 1
+ } else {
+ if {$debuglevel > 3} {
+ puts "CHECKFULE MATCH FAIL"
+ }
+ return 0
+ }
+ }
+ }
+ if {$debuglevel > 3} {
+ puts "CHECKRULE MATCH 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
+
+set i 0
+set l [llength $argv]
+
if {$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
}
-
while {$i < $l} {
set arg [lindex $argv $i]
switch -glob -- $arg {
@@ -852,9 +988,9 @@ while {$i < $l} {
}
}
-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 $argv [incr i]]
}
}
-d* {
@@ -865,9 +1001,9 @@ while {$i < $l} {
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 $argv [incr i]]
}
}
-l* {
@@ -876,6 +1012,13 @@ while {$i < $l} {
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 $arg
if {[RobotHref http://www.indexdata.dk/ href host path]} {
@@ -893,19 +1036,26 @@ while {$i < $l} {
if {![info exist domains]} {
set domains {*}
}
-if {![info exist maxDistance]} {
- set maxDistance 50
+if {![info exist maxdistance]} {
+ set maxdistance 50
}
if {![info exist robotsMax]} {
set robotsMax 5
}
puts "domains=$domains"
-puts "max distance=$maxDistance"
+puts "max distance=$maxdistance"
puts "max jobs=$robotsMax"
+
RobotStart
+
while {$robotsRunning} {
vwait robotsRunning
}
+
+set statusfile [open status w]
+puts $statusfile "$status(unvisited) $status(bad) $status(visited)"
+close $statusfile
+