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Diffstat (limited to 'perl/getlinks.pl')
-rw-r--r-- | perl/getlinks.pl | 261 |
1 files changed, 0 insertions, 261 deletions
diff --git a/perl/getlinks.pl b/perl/getlinks.pl deleted file mode 100644 index 06da56e30..000000000 --- a/perl/getlinks.pl +++ /dev/null @@ -1,261 +0,0 @@ -#!/usr/local/bin/perl -# -# getlinks.pl -# -# This script extracts all links from a HTML page, compares them to a pattern -# entered on the command line and then downloads matching links into the -# target dir (also specified on the command line). -# -# Written to use 'curl' for URL fetching, uses the source file names in the -# target directory. -# -# Author: Daniel Stenberg <Daniel.Stenberg@sth.frontec.se> -# Version: 0.1 Oct 7, 1998 -# -# HISTORY -# -# 0.1 - Created now! -# - -$in=""; - - argv: -if($ARGV[0] eq "-v" ) { - $verbose = 1; - shift @ARGV; - goto argv; -} -if($ARGV[0] eq "-d" ) { - $display = 1; - shift @ARGV; - goto argv; -} -elsif($ARGV[0] eq "-h" ) { - $help = 1; - shift @ARGV; - goto argv; -} - -$geturl = $ARGV[0]; -$getdir = $ARGV[1]; -$getregex = $ARGV[2]; - -if(($geturl eq "") || - (($getdir eq "") && !$display) || - $help) { - print "Usage: $0 [-hv] <full source URL> <target dir> [regex]\n", - " Use a traling slash for directory URLs!\n", - " Use \"quotes\" around the regex!\n", - " -h This help text\n", - " -d Display matches only instead of downloading\n", - " -v Verbose mode\n"; - exit; -} - -# change to target directory: -chdir $getdir || - die "couldn't cd into $getdir"; - -# This is necessary from where I tried this: -#$proxy =" -x 194.237.142.41:80"; - -# linkchecker, URL will be appended to the right of this command line -# this is the one using HEAD: -$linkcheck = "curl -s -m 20 -I$proxy"; - -# as a second attempt, this will be used. This is not using HEAD but will -# get the whole frigging document! -$linkcheckfull = "curl -s -m 20 -i$proxy"; - -# htmlget, URL will be appended to the right of this command line -$htmlget = "curl -s$proxy"; - -# urlget, URL will be appended to the right of this command line -# this stores the file with the remote file name in the current dir -$urlget = "curl -O -s$proxy"; - -# Parse the input URL and split it into the relevant parts: - -sub SplitURL { - my $inurl = $_[0]; - - if($inurl=~ /^([^:]+):\/\/([^\/]*)\/(.*)\/(.*)/ ) { - $getprotocol = $1; - $getserver = $2; - $getpath = $3; - $getdocument = $4; - } - elsif ($inurl=~ /^([^:]+):\/\/([^\/]*)\/(.*)/ ) { - $getprotocol = $1; - $getserver = $2; - $getpath = $3; - $getdocument = ""; - - if($getpath !~ /\//) { - $getpath =""; - $getdocument = $3; - } - - } - elsif ($inurl=~ /^([^:]+):\/\/(.*)/ ) { - $getprotocol = $1; - $getserver = $2; - $getpath = ""; - $getdocument = ""; - } - else { - print "Couldn't parse the specified URL, retry please!\n"; - exit; - } -} - -&SplitURL($geturl); - -#print "protocol = $getprotocol\n"; -#print "server = $getserver\n"; -#print "path = $getpath\n"; -#print "document = $getdocument\n"; -#exit; - -if(!$usestdin) { - open(HEADGET, "$linkcheck $geturl|") || - die "Couldn't get web page for some reason"; - headget: - while(<HEADGET>) { -# print $_; - if($_ =~ /HTTP\/.*3\d\d /) { - $pagemoved=1; - } - elsif($pagemoved && - ($_ =~ /^Location: (.*)/)) { - $geturl = $1; - - &SplitURL($geturl); - - $pagemoved++; - last headget; - } - } - close(HEADGET); - - if($pagemoved == 1) { - print "Page is moved but we don't know where. Did you forget the ", - "traling slash?\n"; - exit; - } - - open(WEBGET, "$htmlget $geturl|") || - die "Couldn't get web page for some reason"; - - while(<WEBGET>) { - $line = $_; - push @indoc, $line; - $line=~ s/\n//g; - $line=~ s/\r//g; -# print $line."\n"; - $in=$in.$line; - } - - close(WEBGET); -} -else { - while(<STDIN>) { - $line = $_; - push @indoc, $line; - $line=~ s/\n//g; - $line=~ s/\r//g; - $in=$in.$line; - } -} - -sub GetLinks { - my $in = $_[0]; - my @result; - - getlinkloop: - while($in =~ /[^<]*(<[^>]+>)/g ) { - # we have a tag in $1 - $tag = $1; - - if($tag =~ /^<!--/) { - # this is a comment tag, ignore it - } - else { - if($tag =~ /(src|href|background|archive) *= *(\"[^\"]\"|[^ )>]*)/i) { - $url=$2; - if($url =~ /^\"(.*)\"$/) { - # this was a "string" now $1 has removed the quotes: - $url=$1; - } - - - $url =~ s/([^\#]*)\#.*/$1/g; - - if($url eq "") { - # if the link was nothing than a #-link it may now have - # been emptied completely so then we skip the rest - next getlinkloop; - } - - if($done{$url}) { - # if this url already is done, do next - $done{$url}++; - next getlinkloop; - } - - $done{$url} = 1; # this is "done" - - push @result, $url; - if($tag =~ /< *([^ ]+)/) { -# print "TAG: $1\n"; - $tagtype{$url}=$1; - } - } - } - } - return @result; -} - -@links = &GetLinks($in); - - linkloop: -for(@links) { - $url = $_; - - if($url =~ /^([^:]+):/) { - $link = $url; - } - else { - # this is an absolute link on the same server: - if($url =~ /^\//) { - # from root - $link = "$getprotocol://$getserver$url"; - } - else { - # from the scanned page's dir - $nyurl=$url; - - if(length($getpath) && - ($getpath !~ /\/$/) && - ($nyurl !~ /^\//)) { - # lacks ending slash, add one to the document part: - $nyurl = "/".$nyurl; - } - $link = "$getprotocol://$getserver/$getpath$nyurl"; - } - } - - if($link =~ /$getregex/) { - if($display) { - print "$link\n"; - } - else { - if($verbose) { - print "Gets $link\n"; - } - print `$urlget $link`; - } - } - - -} |