/usr/lib/perl5/HTTP/Parser/XS/PP.pm is in libhttp-parser-xs-perl 0.14-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 | package HTTP::Parser::XS::PP;
use strict;
use warnings;
use utf8;
sub HTTP::Parser::XS::parse_http_request {
my($chunk, $env) = @_;
Carp::croak("second param to parse_http_request should be a hashref") unless (ref $env|| '') eq 'HASH';
# pre-header blank lines are allowed (RFC 2616 4.1)
$chunk =~ s/^(\x0d?\x0a)+//;
return -2 unless length $chunk;
# double line break indicates end of header; parse it
if ($chunk =~ /^(.*?\x0d?\x0a\x0d?\x0a)/s) {
return _parse_header($chunk, length $1, $env);
}
return -2; # still waiting for unknown amount of header lines
}
sub _parse_header {
my($chunk, $eoh, $env) = @_;
my $header = substr($chunk, 0, $eoh,'');
$chunk =~ s/^\x0d?\x0a\x0d?\x0a//;
# parse into lines
my @header = split /\x0d?\x0a/,$header;
my $request = shift @header;
# join folded lines
my @out;
for(@header) {
if(/^[ \t]+/) {
return -1 unless @out;
$out[-1] .= $_;
} else {
push @out, $_;
}
}
# parse request or response line
my $obj;
my $minor;
my ($method,$uri,$http) = split / /,$request;
return -1 unless $http and $http =~ /^HTTP\/1\.(\d+)$/;
$minor = $1;
my($path, $query) = ( $uri =~ /^([^?#]*)(?:\?([^#]*))?/s );
# following validations are just needed to pass t/01simple.t
if ($path =~ /%(?:[0-9a-f][^0-9a-f]|[^0-9a-f][0-9a-f])/i) {
# invalid char in url-encoded path
return -1;
}
if ($path =~ /%(?:[0-9a-f])$/i) {
# partially url-encoded
return -1;
}
$env->{REQUEST_METHOD} = $method;
$env->{REQUEST_URI} = $uri;
$env->{SERVER_PROTOCOL} = "HTTP/1.$minor";
($env->{PATH_INFO} = $path) =~ s/%([0-9A-Fa-f]{2})/chr(hex($1))/eg;
$env->{QUERY_STRING} = $query || '';
$env->{SCRIPT_NAME} = '';
# import headers
my $token = qr/[^][\x00-\x1f\x7f()<>@,;:\\"\/?={} \t]+/;
my $k;
for my $header (@out) {
if ( $header =~ s/^($token): ?// ) {
$k = $1;
$k =~ s/-/_/g;
$k = uc $k;
if ($k !~ /^(?:CONTENT_LENGTH|CONTENT_TYPE)$/) {
$k = "HTTP_$k";
}
} elsif ( $header =~ /^\s+/) {
# multiline header
} else {
return -1;
}
if (exists $env->{$k}) {
$env->{$k} .= ", $header";
} else {
$env->{$k} = $header;
}
}
return $eoh;
}
# ----------------------------------------------------------
my %PARSER_FUNC = (
HTTP::Parser::XS::HEADERS_NONE() => \&_parse_as_none,
HTTP::Parser::XS::HEADERS_AS_HASHREF() => \&_parse_as_hashref,
HTTP::Parser::XS::HEADERS_AS_ARRAYREF() => \&_parse_as_arrayref,
);
sub HTTP::Parser::XS::parse_http_response {
my ($str, $header_format, $special_headers) = @_;
return -2 unless $str;
my $len = length $str;
my ($sl, $remain) = split /\r?\n/, $_[0], 2;
my ($proto, $rc, $msg) = split(' ', $sl, 3);
return -1 unless $proto =~m{^HTTP/1.(\d)};
my $minor_version = $1;
return -1 unless $rc =~m/^\d+$/;
my ($header_str, $content) = split /\r?\n\r?\n/, $remain, 2;
my $parser_func = $PARSER_FUNC{$header_format};
die 'unknown header format: '. $header_format unless $parser_func;
my $header = $parser_func->($header_str, $special_headers || +{});
return -2 if ($str !~/\r?\n\r?\n/ && $remain !~/\r?\n\r?\n/ && !defined $content);
my $parsed = $len - (defined $content ? length $content : 0);
return ($parsed, $minor_version, $rc, $msg, $header);
}
# return special headers only
sub _parse_as_none {
my ($str, $special) = @_;
return unless defined $str;
return unless keys %$special;
my ($field, $value, $f);
for ( split /\r?\n/, $str ) {
if ( defined $field ) {
if ( ord == 9 || ord == 32 ) {
$value .= "\n$_";
next;
}
$f = lc($field);
exists $special->{$f} and $special->{$f} = $value;
}
( $field, $value ) = split /[ \t]*: ?/, $_, 2;
}
if ( defined $field ) {
$f = lc($field);
exists $special->{$f} and $special->{$f} = $value;
}
}
# return headers as arrayref
sub _parse_as_arrayref {
my ($str, $special) = @_;
return [] unless defined $str;
my (@headers, $field, $value, $f );
for ( split /\r?\n/, $str ) {
if ( defined $field ) {
if ( ord == 9 || ord == 32 ) {
$value .= "\n$_";
next;
}
$f = lc($field);
push @headers, $f, $value;
exists $special->{$f} and $special->{$f} = $value;
}
( $field, $value ) = split /[ \t]*: ?/, $_, 2;
}
if ( defined $field ) {
$f = lc($field);
push @headers, $f, $value;
exists $special->{$f} and $special->{$f} = $value;
}
return \@headers;
}
# return headers as HTTP::Header compatible HashRef
sub _parse_as_hashref {
my ($str, $special) = @_;
return +{} unless defined $str;
my ( %self, $field, $value, $f );
for ( split /\r?\n/, $str ) {
if ( defined $field ) {
if ( ord == 9 || ord == 32 ) {
$value .= "\n$_";
next;
}
$f = lc($field);
if ( defined $self{$f} ) {
my $h = $self{$f};
ref($h) eq 'ARRAY'
? push( @$h, $value )
: ( $self{$f} = [ $h, $value ] );
}
else { $self{$f} = $value }
}
( $field, $value ) = split /[ \t]*: ?/, $_, 2;
}
if ( defined $field ) {
$f = lc($field);
if ( defined $self{$f} ) {
my $h = $self{$f};
ref($h) eq 'ARRAY'
? push( @$h, $value )
: ( $self{$f} = [ $h, $value ] );
}
else { $self{$f} = $value }
}
return \%self;
}
1;
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