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#!/usr/bin/env perl
# $Id$
#
# 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@haxx.se>
# Version: 0.2 Nov 18, 2002
#
# HISTORY
#
# 0.1 - Nov 12 1998 - Created now!
# 0.2 - Nov 18 2002 - Enhanced. Removed URL support, use only stdin.
#
$in="";
if($ARGV[0] eq "-h") {
print "Usage: $0 < HTML\n";
exit;
}
sub namevalue {
my ($tag)=@_;
my $name=$tag;
if($name =~ /name *=/i) {
if($name =~ /name *= *([^\"]([^ \">]*))/) {
$name = $1;
}
elsif($name =~ /name *= *\"([^\"]*)\"/) {
$name=$1;
}
else {
# there is a tag but we didn't find the contents
$name="[weird]";
}
}
else {
# no name given
$name="";
}
# get value tag
my $value= $tag;
if($value =~ /value *=/i) {
if($value =~ /value *= *([^\"]([^ \">]*))/) {
$value = $1;
}
elsif($value =~ /value *= *\"([^\"]*)\"/) {
$value=$1;
}
else {
# there is a tag but we didn't find the contents
$value="[weird]";
}
}
else {
$value="";
}
return ($name, $value);
}
while(<STDIN>) {
$line = $_;
push @indoc, $line;
$line=~ s/\n//g;
$line=~ s/\r//g;
$in=$in.$line;
}
while($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";
$form=1;
}
elsif($form &&
($tag =~ /< *\/form/i )) {
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 = $1;
($name, $value)=namevalue($tag);
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, "$value";
}
else {
print "Input: NAME=\"$name\"";
if($value ne "") {
print " VALUE=\"$value\"";
}
print " ($type)\n";
push @vars, "$name";
# store default value:
$value{$name}=$value;
}
}
}
elsif($form &&
($tag =~ /^< *textarea/i)) {
my ($name, $value)=namevalue($tag);
print "Textarea: $name\n";
}
elsif($select) {
if($tag =~ /^< *\/ *select/i) {
print "[end of select]\n";
$select = 0;
}
elsif($tag =~ /[^\/] *option/i ) {
my ($name, $value)=namevalue($tag);
print " One option (name \"$name\") = \"$value\"\n";
}
}
}
}
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