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=head1 NAME |
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SuikaWiki::Output::HTTP --- SuikaWiki: HTTP or HTTP CGI output support |
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=head1 DESCRIPTION |
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This module provides HTTP or HTTP CGI outputing support. |
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This module is part of SuikaWiki. |
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=cut |
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package SuikaWiki::Output::HTTP; |
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use strict; |
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our $VERSION = do{my @r=(q$Revision: 1.3 $=~/\d+/g);sprintf "%d."."%02d" x $#r,@r}; |
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|
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my %Status = ( |
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200 => q(OK), |
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201 => q(Created), |
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202 => q(Accepted), |
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203 => q(Non-Authoritative Information), |
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204 => q(No Content), |
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205 => q(Reset Content), |
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250 => q(Low on Storage Space), # RTSP |
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300 => q(Multiple Choices), |
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301 => q(Moved Permanently), |
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302 => q(Found), |
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303 => q(See Other), |
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304 => q(Not Modified), |
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307 => q(Moved Temporarily), |
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400 => q(Bad Request), |
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401 => q(Unauthorized), |
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403 => q(Forbidden), |
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404 => q(Not Found), |
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405 => q(Method Not Allowed), |
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406 => q(Not Acceptable), |
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408 => q(Request Timeout), |
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409 => q(Conflict), |
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410 => q(Gone), |
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413 => q(Request Entity Too Long), |
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414 => q(Request-URI Too Long), |
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415 => q(Unsupported Media Type), |
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423 => q(Locked), |
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480 => q(Temporariliy Not Available), # SIP |
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500 => q(Internal Server Error), |
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501 => q(Not Implemented), |
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503 => q(Service Unavailable), |
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505 => q(HTTP Version Not Supported), |
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507 => q(Insufficient Storage), |
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); |
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my %Body = ( |
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301 => sub { |
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my $self = shift; |
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my $euri = $self->{redirect_uri}; |
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$euri =~ s/&/&/g; |
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$euri =~ s/</</g; |
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$euri =~ s/>/>/g; |
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$euri =~ s/"/"/g; |
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qq(<!DOCTYPE p SYSTEM><p>See <<a href="$euri">$euri</a>></p>); |
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}, |
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); |
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$Body{302} = $Body{301}; |
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$Body{303} = $Body{301}; |
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$Body{307} = $Body{301}; |
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|
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=head1 METHODS |
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|
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=over 4 |
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|
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=item $http = SuikaWiki::Output::HTTP->new |
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Constructs new instance of HTTP output implementation |
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|
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=cut |
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sub new ($;%) { |
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my $self = bless {header_field => [], |
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negotiate_header_field => {Negotiate => 1}, |
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entity => {language => [], |
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media_type => 'application/octet-stream'}, |
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}, shift; |
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my %opt = @_; |
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$self->{wiki} = ref $opt{wiki} ? $opt{wiki} : $opt{view}->{wiki}; |
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$self->{view} = $opt{view}; |
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$self->{viewobj} = $opt{viewobj}; |
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$self; |
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} |
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sub add_header_field ($$$;%) { |
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my ($self, $name => $body, %opt) = @_; |
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push @{$self->{header_field}}, {name => $name, body => $body}; |
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} |
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sub add_negotiate_header_field ($$) { |
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my ($self, $name) = @_; |
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$self->{negotiate_header_field}->{$name} = 1; |
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} |
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|
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sub set_expires ($%) { |
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my ($self, %opt) = @_; |
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if ($opt{time}) { |
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## TODO: use rfc1123-time |
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push @{$self->{header_field}}, {name => 'Expires', |
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body => scalar gmtime $opt{time}}; |
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} elsif (defined $opt{delta}) { |
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$self->{expires_delta} = $opt{delta} + 0; |
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} |
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} |
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sub set_redirect ($%) { |
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my ($self, %opt) = @_; |
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$self->{redirect_uri} = $opt{uri}; |
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if ($opt{status_code}) { |
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$self->{status_code} = $opt{status_code}; |
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} else { |
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$self->{status_code} = 302; |
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} |
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$self->{status_phrase} = $opt{status_phrase}; |
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} |
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sub set_last_modified ($%) { |
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my ($self, %opt) = @_; |
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$self->{lastmodified_time} = $opt{time}; |
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} |
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sub append_to_body ($$) { |
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my ($self, $s) = @_; |
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$self->{entity}->{body} .= $s; |
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} |
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sub output ($;%) { |
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my ($self, %opt) = @_; |
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## Note: CGI/1.1 draft 3 recommends ("SHOULD") that |
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## "\x0A" should be used as new line in AmigaDOS and Un*x environments. |
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my $nl = $opt{output} eq 'http-cgi' ? "\n" : "\x0D\x0A"; |
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binmode STDOUT; |
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$| = 1; |
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my $status_code = $self->{status_code} || 200; |
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my $status_phrase = $self->{status_phrase} || $Status{$status_code}; |
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if ((300 < $status_code) && ($status_code < 400) |
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&& (defined $self->{redirect_uri})) { |
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print "Location: $self->{redirect_uri}$nl"; |
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$status_code = 302 |
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if ($status_code == 303 || $status_code == 307) |
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&& (($main::ENV{SERVER_PROTOCOL} eq 'HTTP/1.0') ## TODO: use common interface |
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|| ($self->{wiki}->{var}->{client}->{user_agent_name} |
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=~ m#M(?:ozilla/[0-4]\.|icrosoft Internet Explorer)#)); |
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} |
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if ($opt{output} eq 'http-cgi') { |
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print "Status: $status_code $status_phrase$nl"; |
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} else { |
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print "$status_code $status_phrase HTTP/1.1$nl"; |
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} |
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for (@{$self->{header_field}}) { |
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print "$_->{name}: $_->{body}$nl"; |
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} |
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my $time = time; |
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print "Date: @{[scalar gmtime $time]}$nl"; |
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if (defined $self->{expires_delta}) { |
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print "Expires: @{[scalar gmtime ($time + $self->{expires_delta})]}$nl"; |
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} |
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if (defined $self->{lastmodified_time}) { |
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print "Last-Modified: @{[scalar gmtime $self->{lastmodified_time}]}$nl"; |
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} else { |
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print "Last-Modified: @{[scalar gmtime $time]}$nl"; |
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} |
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print "Vary: ".join (', ', keys %{$self->{negotiate_header_field}})."$nl"; |
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my $mt = $self->{entity}->{media_type} || 'application/octet-stream'; |
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my $charset = $self->{entity}->{charset}; |
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my $body = '' . $self->{entity}->{body}; |
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unless (length $body) { |
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$mt = q<text/html>; |
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$charset = 'iso-8859-1'; |
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$body = &{$Body{$self->{status_code}||200}||sub{}} ($self); |
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} |
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## TODO: |
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$body = &main::code_convert (\$body, $self->{entity}->{charset}); |
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if (($mt eq 'application/rdf+xml') |
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&& (index ($self->{wiki}->{var}->{client}->{user_agent_name}, |
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'Gecko') > -1)) { |
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print "Content-Type: application/xml"; |
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} else { |
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print "Content-Type: $mt"; |
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} |
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if ($charset) { |
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if ($self->{wiki}->{var}->{client}->{user_agent_name} |
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=~ m#Mozilla/[12]\.#) { |
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print qq(; charset="@{[{qw/euc-jp x-euc-jp shift_jis x-sjis/} |
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->{$charset} |
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|| $charset]}"); |
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} elsif ($self->{wiki}->{var}->{client}->{user_agent_name} |
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=~ m#Mozilla/0\.|Infomosaic#) { |
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} else { |
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print qq(; charset=).$self->___quote_word ($charset); |
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} |
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} |
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print $nl; |
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for (join ', ', @{$self->{entity}->{language}||[]}) { |
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print "Content-Language: $_$nl" if $_; |
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} |
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print "Content-Length: @{[length $body]}$nl"; |
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print $nl; |
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print $body; |
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} |
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## Note: CGI/1.1 draft 3 does not allow HTTP Header Fields |
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## when Location: field is outputed. This module does |
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## NOT follow that requirement. The draft allows |
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## message-body explicitly, even if there is Location:. |
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## Therefore at least entity-header fields should be allowed. |
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## TODO: REDIRECT_URI support |
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=item $self->exit |
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Declares the instance ($self) no longer considered useful. |
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=cut |
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sub exit ($) { |
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my $self = shift; |
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delete $self->{wiki}; |
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delete $self->{view}; |
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delete $self->{viewobj}; |
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$self->{exited} = 1; |
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} |
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sub DESTROY ($) { |
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my $self = shift; |
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$self->exit unless $self->{exited}; |
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} |
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sub ___quote_word ($$) { |
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my ($self, $s) = @_; |
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if ($s =~ /[^0-9A-Za-z_.+-]/) { |
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$s =~ s/([\\"])/\\$1/g; |
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return qq<"$s">; |
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} else { |
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return $s; |
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} |
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} |
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=item $self->{entity}->{charset} |
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=item $self->{entity}->{language} = [...] |
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=item $self->{entity}->{media_type} |
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=back |
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=head1 TODO |
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Use manakai. |
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=head1 LICENSE |
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|
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Copyright 2003 Wakaba <w@suika.fam.cx> |
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This program is free software; you can redistribute it and/or |
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modify it under the same terms as Perl itself. |
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=cut |
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1; # $Date: 2003/12/06 05:38:13 $ |
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