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|
#!@PERL@
#
# formfind.pl
#
# This script gets a HTML page from the specified URL and presents form
# information you may need in order to machine-make a respond to the form.
#
# Written to use 'curl' for URL fetching.
#
# Author: Daniel Stenberg <Daniel.Stenberg@sth.frontec.se>
# Version: 0.1 Nov 12, 1998
#
# HISTORY
#
# 0.1 - Created now!
#
# TODO
# respect file:// URLs for local file fetches!
$in="";
$usestdin = 0;
if($ARGV[0] eq "" ) {
$usestdin = 1;
}
else {
$geturl = $ARGV[0];
}
if(($geturl eq "") && !$usestdin) {
print "Usage: $0 <full source URL>\n",
" Use a traling slash for directory URLs!\n";
exit;
}
# If you need a proxy for web access, edit your .curlrc file to feature
# -x <proxy:port>
# linkchecker, URL will be appended to the right of this command line
# this is the one using HEAD:
$linkcheck = "curl -s -m 20 -I";
# 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";
# htmlget, URL will be appended to the right of this command line
$htmlget = "curl -s";
# 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";
# 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 = "";
$getdocument = "";
}
else {
print "Couldn't parse the specified URL, retry please!\n";
exit;
}
}
if(!$usestdin) {
&SplitURL($geturl);
#print "protocol = $getprotocol\n";
#print "server = $getserver\n";
#print "path = $getpath\n";
#print "document = $getdocument\n";
#exit;
open(HEADGET, "$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.$line;
}
}
getlinkloop:
while($in =~ /[^<]*(<[^>]+>)/g ) {
# we have a tag in $1
$tag = $1;
if($tag =~ /^<!--/) {
# this is a comment tag, ignore it
}
else {
if(!$form &&
($tag =~ /^< *form/i )) {
$method= $tag;
if($method =~ /method *=/i) {
$method=~ s/.*method *= *(\"|)([^ \">]*).*/$2/gi;
}
else {
$method="get"; # default method
}
$action= $tag;
$action=~ s/.*action *= *(\"|)([^ \">]*).*/$2/gi;
$method=uc($method);
$enctype=$tag;
if ($enctype =~ /enctype *=/) {
$enctype=~ s/.*enctype *= *(\'|\"|)([^ \"\'>]*).*/$2/gi;
if($enctype eq "multipart/form-data") {
$enctype="multipart form upload [use -F]"
}
$enctype = "\n--- type: $enctype";
}
else {
$enctype="";
}
print "--- FORM report. Uses $method to URL \"$action\"$enctype\n";
# print "TAG: $tag\n";
# print "METHOD: $method\n";
# print "ACTION: $action\n";
$form=1;
}
elsif($form &&
($tag =~ /< *\/form/i )) {
# print "TAG: $tag\n";
print "--- end of FORM\n";
$form=0;
if( 0 ) {
print "*** Fill in all or any of these: (default assigns may be shown)\n";
for(@vars) {
$var = $_;
$def = $value{$var};
print "$var=$def\n";
}
print "*** Pick one of these:\n";
for(@alts) {
print "$_\n";
}
}
undef @vars;
undef @alts;
}
elsif($form &&
($tag =~ /^< *(input|select)/i)) {
$mtag = $1;
# print "TAG: $tag\n";
$name=$tag;
if($name =~ /name *=/i) {
$name=~ s/.*name *= *(\"|)([^ \">]*).*/$2/gi;
}
else {
# no name given
$name="";
}
# get value tag
$value= $tag;
if($value =~ /value *=/i) {
$value=~ s/.*value *= *(\"|)([^ \">]*).*/$2/gi;
}
else {
$value="";
}
if($mtag =~ /select/i) {
print "Select: $name\n";
push @vars, "$name";
$select = 1;
}
else {
$type=$tag;
if($type =~ /type *=/i) {
$type =~ s/.*type *= *(\"|)([^ \">]*).*/$2/gi;
}
else {
$type="text"; # default type
}
$type=uc($type);
if(lc($type) eq "reset") {
# reset types are for UI only, ignore.
}
elsif($name eq "") {
# let's read the value parameter
print "Button: \"$value\" ($type)\n";
push @alts, "$value";
}
else {
$info="";
if($value ne "") {
$info="=$value";
}
print "Input: $name$info ($type)\n";
push @vars, "$name";
# store default value:
$value{$name}=$value;
}
}
}
elsif($select &&
($tag =~ /^< *\/ *select/i)) {
$select = 0;
}
}
}
|
