NG4R3P

Linux 4gvps.4gvps.com 3.10.0-1127.18.2.vz7.163.46 #1 SMP Fri Nov 20 21:47:55 MSK 2020 x86_64
SOFT : Apache PHP : 7.4.33
/proc/self/root/usr/share/perl5/vendor_perl/HTTP/

38.135.39.45

[ NAME ]	[ SIZE ]	[ PERM ]	[ DATE ]	[ ACT ]
+FILE +DIR
Cookies	dir	drwxr-xr-x	2016-08-05 21:27	R D
Headers	dir	drwxr-xr-x	2016-08-05 21:27	R D
Request	dir	drwxr-xr-x	2016-08-05 21:27	R D
Config.pm	11.128 KB	-rw-r--r--	2012-02-15 19:28	R E G D
Cookies.pm	19.778 KB	-rw-r--r--	2012-02-15 22:13	R E G D
Daemon.pm	23.726 KB	-rw-r--r--	2018-10-30 19:54	R E G D
Date.pm	10.499 KB	-rw-r--r--	2012-03-30 12:04	R E G D
Headers.pm	24.031 KB	-rw-r--r--	2012-10-20 09:11	R E G D
Message.pm	29.451 KB	-rw-r--r--	2012-10-20 22:05	R E G D
Negotiate.pm	15.723 KB	-rw-r--r--	2012-02-18 12:30	R E G D
Request.pm	5.43 KB	-rw-r--r--	2012-02-15 19:28	R E G D
Response.pm	15.888 KB	-rw-r--r--	2012-09-30 21:17	R E G D
Status.pm	8.817 KB	-rw-r--r--	2012-02-16 22:14	R E G D
Tiny.pm	44.203 KB	-rw-r--r--	2014-06-09 20:53	R E G D
REQUEST EXIT

package HTTP::Headers; use strict; use Carp (); use vars qw($VERSION $TRANSLATE_UNDERSCORE); $VERSION = "6.05"; # The $TRANSLATE_UNDERSCORE variable controls whether '_' can be used # as a replacement for '-' in header field names. $TRANSLATE_UNDERSCORE = 1 unless defined $TRANSLATE_UNDERSCORE; # "Good Practice" order of HTTP message headers: # - General-Headers # - Request-Headers # - Response-Headers # - Entity-Headers my @general_headers = qw( Cache-Control Connection Date Pragma Trailer Transfer-Encoding Upgrade Via Warning ); my @request_headers = qw( Accept Accept-Charset Accept-Encoding Accept-Language Authorization Expect From Host If-Match If-Modified-Since If-None-Match If-Range If-Unmodified-Since Max-Forwards Proxy-Authorization Range Referer TE User-Agent ); my @response_headers = qw( Accept-Ranges Age ETag Location Proxy-Authenticate Retry-After Server Vary WWW-Authenticate ); my @entity_headers = qw( Allow Content-Encoding Content-Language Content-Length Content-Location Content-MD5 Content-Range Content-Type Expires Last-Modified ); my %entity_header = map { lc($_) => 1 } @entity_headers; my @header_order = ( @general_headers, @request_headers, @response_headers, @entity_headers, ); # Make alternative representations of @header_order. This is used # for sorting and case matching. my %header_order; my %standard_case; { my $i = 0; for (@header_order) { my $lc = lc $_; $header_order{$lc} = ++$i; $standard_case{$lc} = $_; } } sub new { my($class) = shift; my $self = bless {}, $class; $self->header(@_) if @_; # set up initial headers $self; } sub header { my $self = shift; Carp::croak('Usage: $h->header($field, ...)') unless @_; my(@old); my %seen; while (@_) { my $field = shift; my $op = @_ ? ($seen{lc($field)}++ ? 'PUSH' : 'SET') : 'GET'; @old = $self->_header($field, shift, $op); } return @old if wantarray; return $old[0] if @old <= 1; join(", ", @old); } sub clear { my $self = shift; %$self = (); } sub push_header { my $self = shift; return $self->_header(@_, 'PUSH_H') if @_ == 2; while (@_) { $self->_header(splice(@_, 0, 2), 'PUSH_H'); } } sub init_header { Carp::croak('Usage: $h->init_header($field, $val)') if @_ != 3; shift->_header(@_, 'INIT'); } sub remove_header { my($self, @fields) = @_; my $field; my @values; foreach $field (@fields) { $field =~ tr/_/-/ if $field !~ /^:/ && $TRANSLATE_UNDERSCORE; my $v = delete $self->{lc $field}; push(@values, ref($v) eq 'ARRAY' ? @$v : $v) if defined $v; } return @values; } sub remove_content_headers { my $self = shift; unless (defined(wantarray)) { # fast branch that does not create return object delete @$self{grep $entity_header{$_} || /^content-/, keys %$self}; return; } my $c = ref($self)->new; for my $f (grep $entity_header{$_} || /^content-/, keys %$self) { $c->{$f} = delete $self->{$f}; } if (exists $self->{'::std_case'}) { $c->{'::std_case'} = $self->{'::std_case'}; } $c; } sub _header { my($self, $field, $val, $op) = @_; Carp::croak("Illegal field name '$field'") if rindex($field, ':') > 1 || !length($field); unless ($field =~ /^:/) { $field =~ tr/_/-/ if $TRANSLATE_UNDERSCORE; my $old = $field; $field = lc $field; unless($standard_case{$field} || $self->{'::std_case'}{$field}) { # generate a %std_case entry for this field $old =~ s/\b(\w)/\u$1/g; $self->{'::std_case'}{$field} = $old; } } $op ||= defined($val) ? 'SET' : 'GET'; if ($op eq 'PUSH_H') { # Like PUSH but where we don't care about the return value if (exists $self->{$field}) { my $h = $self->{$field}; if (ref($h) eq 'ARRAY') { push(@$h, ref($val) eq "ARRAY" ? @$val : $val); } else { $self->{$field} = [$h, ref($val) eq "ARRAY" ? @$val : $val] } return; } $self->{$field} = $val; return; } my $h = $self->{$field}; my @old = ref($h) eq 'ARRAY' ? @$h : (defined($h) ? ($h) : ()); unless ($op eq 'GET' || ($op eq 'INIT' && @old)) { if (defined($val)) { my @new = ($op eq 'PUSH') ? @old : (); if (ref($val) ne 'ARRAY') { push(@new, $val); } else { push(@new, @$val); } $self->{$field} = @new > 1 ? \@new : $new[0]; } elsif ($op ne 'PUSH') { delete $self->{$field}; } } @old; } sub _sorted_field_names { my $self = shift; return [ sort { ($header_order{$a} || 999) <=> ($header_order{$b} || 999) || $a cmp $b } grep !/^::/, keys %$self ]; } sub header_field_names { my $self = shift; return map $standard_case{$_} || $self->{'::std_case'}{$_} || $_, @{ $self->_sorted_field_names }, if wantarray; return grep !/^::/, keys %$self; } sub scan { my($self, $sub) = @_; my $key; for $key (@{ $self->_sorted_field_names }) { my $vals = $self->{$key}; if (ref($vals) eq 'ARRAY') { my $val; for $val (@$vals) { $sub->($standard_case{$key} || $self->{'::std_case'}{$key} || $key, $val); } } else { $sub->($standard_case{$key} || $self->{'::std_case'}{$key} || $key, $vals); } } } sub as_string { my($self, $endl) = @_; $endl = "\n" unless defined $endl; my @result = (); for my $key (@{ $self->_sorted_field_names }) { next if index($key, '_') == 0; my $vals = $self->{$key}; if ( ref($vals) eq 'ARRAY' ) { for my $val (@$vals) { my $field = $standard_case{$key} || $self->{'::std_case'}{$key} || $key; $field =~ s/^://; if ( index($val, "\n") >= 0 ) { $val = _process_newline($val, $endl); } push @result, $field . ': ' . $val; } } else { my $field = $standard_case{$key} || $self->{'::std_case'}{$key} || $key; $field =~ s/^://; if ( index($vals, "\n") >= 0 ) { $vals = _process_newline($vals, $endl); } push @result, $field . ': ' . $vals; } } join($endl, @result, ''); } sub _process_newline { local $_ = shift; my $endl = shift; # must handle header values with embedded newlines with care s/\s+$//; # trailing newlines and space must go s/\n(\x0d?\n)+/\n/g; # no empty lines s/\n([^\040\t])/\n $1/g; # initial space for continuation s/\n/$endl/g; # substitute with requested line ending $_; } if (eval { require Storable; 1 }) { *clone = \&Storable::dclone; } else { *clone = sub { my $self = shift; my $clone = HTTP::Headers->new; $self->scan(sub { $clone->push_header(@_);} ); $clone; }; } sub _date_header { require HTTP::Date; my($self, $header, $time) = @_; my($old) = $self->_header($header); if (defined $time) { $self->_header($header, HTTP::Date::time2str($time)); } $old =~ s/;.*// if defined($old); HTTP::Date::str2time($old); } sub date { shift->_date_header('Date', @_); } sub expires { shift->_date_header('Expires', @_); } sub if_modified_since { shift->_date_header('If-Modified-Since', @_); } sub if_unmodified_since { shift->_date_header('If-Unmodified-Since', @_); } sub last_modified { shift->_date_header('Last-Modified', @_); } # This is used as a private LWP extension. The Client-Date header is # added as a timestamp to a response when it has been received. sub client_date { shift->_date_header('Client-Date', @_); } # The retry_after field is dual format (can also be a expressed as # number of seconds from now), so we don't provide an easy way to # access it until we have know how both these interfaces can be # addressed. One possibility is to return a negative value for # relative seconds and a positive value for epoch based time values. #sub retry_after { shift->_date_header('Retry-After', @_); } sub content_type { my $self = shift; my $ct = $self->{'content-type'}; $self->{'content-type'} = shift if @_; $ct = $ct->[0] if ref($ct) eq 'ARRAY'; return '' unless defined($ct) && length($ct); my @ct = split(/;\s*/, $ct, 2); for ($ct[0]) { s/\s+//g; $_ = lc($_); } wantarray ? @ct : $ct[0]; } sub content_type_charset { my $self = shift; require HTTP::Headers::Util; my $h = $self->{'content-type'}; $h = $h->[0] if ref($h); $h = "" unless defined $h; my @v = HTTP::Headers::Util::split_header_words($h); if (@v) { my($ct, undef, %ct_param) = @{$v[0]}; my $charset = $ct_param{charset}; if ($ct) { $ct = lc($ct); $ct =~ s/\s+//; } if ($charset) { $charset = uc($charset); $charset =~ s/^\s+//; $charset =~ s/\s+\z//; undef($charset) if $charset eq ""; } return $ct, $charset if wantarray; return $charset; } return undef, undef if wantarray; return undef; } sub content_is_text { my $self = shift; return $self->content_type =~ m,^text/,; } sub content_is_html { my $self = shift; return $self->content_type eq 'text/html' || $self->content_is_xhtml; } sub content_is_xhtml { my $ct = shift->content_type; return $ct eq "application/xhtml+xml" || $ct eq "application/vnd.wap.xhtml+xml"; } sub content_is_xml { my $ct = shift->content_type; return 1 if $ct eq "text/xml"; return 1 if $ct eq "application/xml"; return 1 if $ct =~ /\+xml$/; return 0; } sub referer { my $self = shift; if (@_ && $_[0] =~ /#/) { # Strip fragment per RFC 2616, section 14.36. my $uri = shift; if (ref($uri)) { $uri = $uri->clone; $uri->fragment(undef); } else { $uri =~ s/\#.*//; } unshift @_, $uri; } ($self->_header('Referer', @_))[0]; } *referrer = \&referer; # on tchrist's request sub title { (shift->_header('Title', @_))[0] } sub content_encoding { (shift->_header('Content-Encoding', @_))[0] } sub content_language { (shift->_header('Content-Language', @_))[0] } sub content_length { (shift->_header('Content-Length', @_))[0] } sub user_agent { (shift->_header('User-Agent', @_))[0] } sub server { (shift->_header('Server', @_))[0] } sub from { (shift->_header('From', @_))[0] } sub warning { (shift->_header('Warning', @_))[0] } sub www_authenticate { (shift->_header('WWW-Authenticate', @_))[0] } sub authorization { (shift->_header('Authorization', @_))[0] } sub proxy_authenticate { (shift->_header('Proxy-Authenticate', @_))[0] } sub proxy_authorization { (shift->_header('Proxy-Authorization', @_))[0] } sub authorization_basic { shift->_basic_auth("Authorization", @_) } sub proxy_authorization_basic { shift->_basic_auth("Proxy-Authorization", @_) } sub _basic_auth { require MIME::Base64; my($self, $h, $user, $passwd) = @_; my($old) = $self->_header($h); if (defined $user) { Carp::croak("Basic authorization user name can't contain ':'") if $user =~ /:/; $passwd = '' unless defined $passwd; $self->_header($h => 'Basic ' . MIME::Base64::encode("$user:$passwd", '')); } if (defined $old && $old =~ s/^\s*Basic\s+//) { my $val = MIME::Base64::decode($old); return $val unless wantarray; return split(/:/, $val, 2); } return; } 1; __END__ =head1 NAME HTTP::Headers - Class encapsulating HTTP Message headers =head1 SYNOPSIS require HTTP::Headers; $h = HTTP::Headers->new; $h->header('Content-Type' => 'text/plain'); # set $ct = $h->header('Content-Type'); # get $h->remove_header('Content-Type'); # delete =head1 DESCRIPTION The C class encapsulates HTTP-style message headers. The headers consist of attribute-value pairs also called fields, which may be repeated, and which are printed in a particular order. The field names are cases insensitive. Instances of this class are usually created as member variables of the C and C classes, internal to the library. The following methods are available: =over 4 =item $h = HTTP::Headers->new Constructs a new C object. You might pass some initial attribute-value pairs as parameters to the constructor. I: $h = HTTP::Headers->new( Date => 'Thu, 03 Feb 1994 00:00:00 GMT', Content_Type => 'text/html; version=3.2', Content_Base => 'http://www.perl.org/'); The constructor arguments are passed to the C

method which is described below. =item $h->clone Returns a copy of this C object. =item $h->header( $field ) =item $h->header( $field => $value ) =item $h->header( $f1 => $v1, $f2 => $v2, ... ) Get or set the value of one or more header fields. The header field name ($field) is not case sensitive. To make the life easier for perl users who wants to avoid quoting before the => operator, you can use '_' as a replacement for '-' in header names. The header() method accepts multiple ($field => $value) pairs, which means that you can update several fields with a single invocation. The $value argument may be a plain string or a reference to an array of strings for a multi-valued field. If the $value is provided as C then the field is removed. If the $value is not given, then that header field will remain unchanged. The old value (or values) of the last of the header fields is returned. If no such field exists C will be returned. A multi-valued field will be returned as separate values in list context and will be concatenated with ", " as separator in scalar context. The HTTP spec (RFC 2616) promise that joining multiple values in this way will not change the semantic of a header field, but in practice there are cases like old-style Netscape cookies (see L) where "," is used as part of the syntax of a single field value. Examples: $header->header(MIME_Version => '1.0', User_Agent => 'My-Web-Client/0.01'); $header->header(Accept => "text/html, text/plain, image/*"); $header->header(Accept => [qw(text/html text/plain image/*)]); @accepts = $header->header('Accept'); # get multiple values $accepts = $header->header('Accept'); # get values as a single string =item $h->push_header( $field => $value ) =item $h->push_header( $f1 => $v1, $f2 => $v2, ... ) Add a new field value for the specified header field. Previous values for the same field are retained. As for the header() method, the field name ($field) is not case sensitive and '_' can be used as a replacement for '-'. The $value argument may be a scalar or a reference to a list of scalars. $header->push_header(Accept => 'image/jpeg'); $header->push_header(Accept => [map "image/$_", qw(gif png tiff)]); =item $h->init_header( $field => $value ) Set the specified header to the given value, but only if no previous value for that field is set. The header field name ($field) is not case sensitive and '_' can be used as a replacement for '-'. The $value argument may be a scalar or a reference to a list of scalars. =item $h->remove_header( $field, ... ) This function removes the header fields with the specified names. The header field names ($field) are not case sensitive and '_' can be used as a replacement for '-'. The return value is the values of the fields removed. In scalar context the number of fields removed is returned. Note that if you pass in multiple field names then it is generally not possible to tell which of the returned values belonged to which field. =item $h->remove_content_headers This will remove all the header fields used to describe the content of a message. All header field names prefixed with C fall into this category, as well as C, C and C. RFC 2616 denotes these fields as I. The return value is a new C object that contains the removed headers only. =item $h->clear This will remove all header fields. =item $h->header_field_names Returns the list of distinct names for the fields present in the header. The field names have case as suggested by HTTP spec, and the names are returned in the recommended "Good Practice" order. In scalar context return the number of distinct field names. =item $h->scan( \&process_header_field ) Apply a subroutine to each header field in turn. The callback routine is called with two parameters; the name of the field and a single value (a string). If a header field is multi-valued, then the routine is called once for each value. The field name passed to the callback routine has case as suggested by HTTP spec, and the headers will be visited in the recommended "Good Practice" order. Any return values of the callback routine are ignored. The loop can be broken by raising an exception (C), but the caller of scan() would have to trap the exception itself. =item $h->as_string =item $h->as_string( $eol ) Return the header fields as a formatted MIME header. Since it internally uses the C method to build the string, the result will use case as suggested by HTTP spec, and it will follow recommended "Good Practice" of ordering the header fields. Long header values are not folded. The optional $eol parameter specifies the line ending sequence to use. The default is "\n". Embedded "\n" characters in header field values will be substituted with this line ending sequence. =back =head1 CONVENIENCE METHODS The most frequently used headers can also be accessed through the following convenience methods. Most of these methods can both be used to read and to set the value of a header. The header value is set if you pass an argument to the method. The old header value is always returned. If the given header did not exist then C is returned. Methods that deal with dates/times always convert their value to system time (seconds since Jan 1, 1970) and they also expect this kind of value when the header value is set. =over 4 =item $h->date This header represents the date and time at which the message was originated. I: $h->date(time); # set current date =item $h->expires This header gives the date and time after which the entity should be considered stale. =item $h->if_modified_since =item $h->if_unmodified_since These header fields are used to make a request conditional. If the requested resource has (or has not) been modified since the time specified in this field, then the server will return a C<304 Not Modified> response instead of the document itself. =item $h->last_modified This header indicates the date and time at which the resource was last modified. I: # check if document is more than 1 hour old if (my $last_mod = $h->last_modified) { if ($last_mod < time - 60*60) { ... } } =item $h->content_type The Content-Type header field indicates the media type of the message content. I: $h->content_type('text/html'); The value returned will be converted to lower case, and potential parameters will be chopped off and returned as a separate value if in an array context. If there is no such header field, then the empty string is returned. This makes it safe to do the following: if ($h->content_type eq 'text/html') { # we enter this place even if the real header value happens to # be 'TEXT/HTML; version=3.0' ... } =item $h->content_type_charset Returns the upper-cased charset specified in the Content-Type header. In list context return the lower-cased bare content type followed by the upper-cased charset. Both values will be C if not specified in the header. =item $h->content_is_text Returns TRUE if the Content-Type header field indicate that the content is textual. =item $h->content_is_html Returns TRUE if the Content-Type header field indicate that the content is some kind of HTML (including XHTML). This method can't be used to set Content-Type. =item $h->content_is_xhtml Returns TRUE if the Content-Type header field indicate that the content is XHTML. This method can't be used to set Content-Type. =item $h->content_is_xml Returns TRUE if the Content-Type header field indicate that the content is XML. This method can't be used to set Content-Type. =item $h->content_encoding The Content-Encoding header field is used as a modifier to the media type. When present, its value indicates what additional encoding mechanism has been applied to the resource. =item $h->content_length A decimal number indicating the size in bytes of the message content. =item $h->content_language The natural language(s) of the intended audience for the message content. The value is one or more language tags as defined by RFC 1766. Eg. "no" for some kind of Norwegian and "en-US" for English the way it is written in the US. =item $h->title The title of the document. In libwww-perl this header will be initialized automatically from the ETITLE>...E/TITLE> element of HTML documents. I =item $h->user_agent This header field is used in request messages and contains information about the user agent originating the request. I: $h->user_agent('Mozilla/5.0 (compatible; MSIE 7.0; Windows NT 6.0)'); =item $h->server The server header field contains information about the software being used by the originating server program handling the request. =item $h->from This header should contain an Internet e-mail address for the human user who controls the requesting user agent. The address should be machine-usable, as defined by RFC822. E.g.: $h->from('King Kong '); I =item $h->referer Used to specify the address (URI) of the document from which the requested resource address was obtained. The "Free On-line Dictionary of Computing" as this to say about the word I: A misspelling of "referrer" which somehow made it into the {HTTP} standard. A given {web page}'s referer (sic) is the {URL} of whatever web page contains the link that the user followed to the current page. Most browsers pass this information as part of a request. (1998-10-19) By popular demand C exists as an alias for this method so you can avoid this misspelling in your programs and still send the right thing on the wire. When setting the referrer, this method removes the fragment from the given URI if it is present, as mandated by RFC2616. Note that the removal does I happen automatically if using the header(), push_header() or init_header() methods to set the referrer. =item $h->www_authenticate This header must be included as part of a C<401 Unauthorized> response. The field value consist of a challenge that indicates the authentication scheme and parameters applicable to the requested URI. =item $h->proxy_authenticate This header must be included in a C<407 Proxy Authentication Required> response. =item $h->authorization =item $h->proxy_authorization A user agent that wishes to authenticate itself with a server or a proxy, may do so by including these headers. =item $h->authorization_basic This method is used to get or set an authorization header that use the "Basic Authentication Scheme". In array context it will return two values; the user name and the password. In scalar context it will return I<"uname:password"> as a single string value. When used to set the header value, it expects two arguments. I: $h->authorization_basic($uname, $password); The method will croak if the $uname contains a colon ':'. =item $h->proxy_authorization_basic Same as authorization_basic() but will set the "Proxy-Authorization" header instead. =back =head1 NON-CANONICALIZED FIELD NAMES The header field name spelling is normally canonicalized including the '_' to '-' translation. There are some application where this is not appropriate. Prefixing field names with ':' allow you to force a specific spelling. For example if you really want a header field name to show up as C instead of "Foo-Bar", you might set it like this: $h->header(":foo_bar" => 1); These field names are returned with the ':' intact for $h->header_field_names and the $h->scan callback, but the colons do not show in $h->as_string. =head1 COPYRIGHT Copyright 1995-2005 Gisle Aas. This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.