script/lib/suikawiki.pl

=head1 NAME

suikawiki.pl - SuikaWiki Driver as HTTP CGI Script (SWHCS)

=head1 DESCRIPTION

This script is a WikiDriver for SuikaWiki, working as HTTP CGI script.
With this script, SuikaWiki WikiEngine can be controled via remote WWW 
user agents.

This file is part of SuikaWiki.

=cut

package wiki::driver::http;
use strict;
our $VERSION = do{my @r=(q$Revision: 1.23 $=~/\d+/g);sprintf "%d."."%02d" x $#r,@r};

  ## These lines should be removed after utf8 support
  BEGIN {
    $Message::Util::Formatter::Base::Token = qr/[\w._+\x80-\xFF-]+/;
    require Message::Util::Formatter::Base;
  }

## -- Constructing a new instance of the WikiEngine --

  require SuikaWiki::Implementation;
  our $WIKI = SuikaWiki::Implementation->new;

## -- Registering Version of the WikiDriver --

  $WIKI->{driver_name} = 'SWHCS';
  $WIKI->{driver_version} = $VERSION;
  $WIKI->{driver_uri_reference}
       = q<http://suika.fam.cx/~wakaba/-temp/wiki/wiki?SWHCS>;
    
## -- Preparing Dying Message as HTTP Response --

  require SuikaWiki::Output::CGICarp;
  $SuikaWiki::Output::CGICarp::CUSTOM_REASON_TEXT = 'Internal WikiEngine Error';
  CGI::Carp::set_message (sub {
    my $msg = shift; ## Already escaped
    my $wiki_name_version = sprintf '%s/%s %s/%s',
                            $WIKI->{driver_name}, $WIKI->{driver_version},
                            $WIKI->{engine_name}, $WIKI->{engine_version};
    my $trace = Carp::longmess ();
    for ($trace, $wiki_name_version) {
      s/&/&amp;/g; s/</&lt;/g; s/([^\x20-\x7E])/sprintf '&#x%02X;', ord $1/ge;
    };
    print <<"    EOH";
      <!DOCTYPE html SYSTEM>
      <title lang="en">500 Internal WikiEngine Error</title>
      <h1 lang="en">Internal WikiEngine Error</h1>
      <p>$msg</p>
      <p>$trace</p>
      <address>$wiki_name_version</address>
    EOH
  });

## -- Loading Configuration File --

  require 'wikidata/suikawiki-config.ph';
  config ($WIKI);

## -- Loading Modules --

  use SuikaWiki::DB::Util::Error;
  require SuikaWiki::Name::Space;

## -- Transitional Functions --

# [to be obsolete] ->Message::MIME::Charset
sub main::code_convert {
  my ($contentref, $code, $srccode) = @_;
  return $$contentref if $$contentref !~ /[^\x21-\x7E]/;
  require Jcode;
  $code ||= $WIKI->{config}->{charset}->{internal};
  for ($code, $srccode) {
    s/[^0-9A-Za-z_.+-]+//g;
    if    ($_ eq 'euc-jp') { $_ = 'euc' }
    elsif ($_ eq 'iso-2022-jp') { $_ = 'jis' }
    elsif ($_ eq 'utf-8') { $_ = 'utf8' }
    elsif ($_ eq 'shift_jis') { $_ = 'sjis' }
  }
  if ($code eq 'iso-8859-1') {
    return $$contentref; ## TODO:
  }
  $$contentref = Jcode->new ($contentref, $srccode)
    ## Normalize FULLWIDTH characters and IDEOGRAPHIC SPACE
                      ->tr ("\xA3\xB0-\xA3\xB9\xA3\xC1-\xA3\xDA\xA3\xE1-\xA3\xFA\xA1\xF5\xA1\xA4\xA1\xA5\xA1\xA7\xA1\xA8\xA1\xA9\xA1\xAA\xA1\xAE\xA1\xB0\xA1\xB2\xA1\xBF\xA1\xC3\xA1\xCA\xA1\xCB\xA1\xCE\xA1\xCF\xA1\xD0\xA1\xD1\xA1\xDC\xA1\xF0\xA1\xF3\xA1\xF4\xA1\xF6\xA1\xF7\xA1\xE1\xA1\xE4\xA1\xE3\xA1\xA1\xA2\xAF\xA2\xB0\xA2\xB2\xA2\xB1\xA1\xA1\xC0" => q(0-9A-Za-z&,.:;?!`^_/|()[]{}+$%#*@=>< '"~-))
#                      ->tr (qq(\x8E\xDE\x8E\xDF) => qq(\xA1\xAB\xA1\xAC))
                      ->h2z (1)
                      ->$code;
  return $$contentref;
}

## -- Initializing WikiPlugin --    

  $WIKI->init_plugin;     ## WikiPlugin manager

## -- Initializing WikiView --

  $WIKI->init_view;       ## WikiView manager
  $WIKI->{view}->register_common_modes;
  
  ## WikiView manager error handler
  push @{$WIKI->{event}->{view_error}}, sub {
    my ($wiki, $event) = @_;
    SuikaWiki::Plugin->module_package ('Error')
                     ->report_error_simple
                         ($wiki, WikiView => $event->{error}->text,
                          -trace => 1)
      if $event->{error}->{-def}->{level} eq 'fatal'
      or $wiki->{config}->{debug}->{view};
    unless ($event->{error}->{-def}->{level} eq 'fatal'
         or $event->{error}->{-def}->{level} eq 'stop') {
      $event->{cancel} = 1;
    }
  };
  
  ## "view_in_mode" method definition
  push @{$WIKI->{event}->{view_in_mode}}, sub {
    my ($wiki, $opt) = @_;
    my $arg = {condition => {mode => $opt->{mode} || '-error',
                             output => 'http-cgi',
                             http_method => $opt->{method} || 'GET'}};
    my $viewobj = $wiki->{view}->instantiate ($opt->{mode} || '-error', $arg);
    if (ref $viewobj) {
      $viewobj->main ($arg);
    } elsif ($opt->{mode} ne '-error') {
      report SuikaWiki::View::Implementation::error
        -type => 'WARN_VIEW_NOT_DEFINED', condition => $arg->{condition},
        -object => $wiki->{view}, method => 'view_in_mode';
      $wiki->view_in_mode (mode => '-error', method => 'GET');
        ## TODO: cache control for non-GET
    } else {
      die "Some error occured.  Additionally, error reporting mode not defined";
    }
  };
  
  ## WikiView formatting template error handler
  $WIKI->{config}->{catch}->{formatter_view}
    = catch Message::Util::Formatter::error with {
    my $err = shift;
    my $wiki = $err->{option}->{param}->{wiki};
    SuikaWiki::Plugin->module_package ('Error')
                     ->reporting_formatting_template_error ($err, $wiki,
                                                            trace => 1);
    $wiki->view_in_mode (mode => '-error', method => 'GET');
    throw SuikaWiki::View::Implementation::error
      -type => 'ERROR_REPORTED';
  };
  
  ## WikiView formatting template error handler (occured in "-error" mode)
  $WIKI->{config}->{catch}->{formatter_view_error}
    = catch Message::Util::Formatter::error with {
    my $err = shift;
    my $wiki = $err->{option}->{param}->{wiki};
    SuikaWiki::Plugin->module_package ('Error')
                     ->reporting_formatting_template_error ($err, $wiki,
                                                            trace => 1);
    $wiki->view_in_mode (mode => '-error-error', method => 'GET');
    throw SuikaWiki::View::Implementation::error
      -type => 'ERROR_REPORTED';
  };

## -- Preparing for WikiDatabase Error Reports --
{
  my $error_report = sub {
    my ($wiki, $err) = @_;
      my $report = ($err->{-def}->{level} eq 'fatal' or
                    $err->{-def}->{level} eq 'stop' or
                    $wiki->{config}->{debug}->{db}) ? 1 : 0;
      if ($report and $wiki->{config}->{path_to}->{db__content__error_log}) {
        my $err_msg = caller (1).($err->{method}? '->'.$err->{method}: '').': '
                    .(defined $err->{file}? $err->{file} . ': ' : '')  
                    .(defined $err->{prop}? $err->{prop} . ': ' : '')
                    .(defined $err->{key}? join ('//', @{$err->{key}}).': ':'')
                    . $err->text;
        open LOG, '>>', $wiki->{config}->{path_to}->{db__content__error_log};
          print LOG scalar (gmtime), " @{[$$]} {$err->{-def}->{level}}: ",
                    $err_msg, "\n";
        close LOG;
      }
      SuikaWiki::Plugin->module_package ('WikiDB')
                       ->reporting_error ($err, $wiki) if $report;
      if ($err->{-def}->{level} eq 'fatal'
 #      or $err->{-def}->{level} eq 'stop' ## for debug
         ) {
        $wiki->view_in_mode (mode => '-wdb--fatal-error');
        throw SuikaWiki::DB::Util::Error -type => 'ERROR_REPORTED';
      }
  };
  unshift @{$WIKI->{event}->{database_loaded}}, sub {
    my $wiki = shift;
    unshift @{$wiki->{db}->{event}->{error}}, sub {
      my ($db, $event) = @_;
      $error_report->($wiki, $event->{error});
      if ($event->{error}->{-type} eq 'INFO_DB_PROP_OPENED') {
        unshift @{$db->{prop}->{$event->{error}->{prop}}->{-db}
                     ->{event}->{error}}, sub {
          my ($db, $event) = @_;
          $error_report->($wiki, $event->{error});
        };
      }
    }; # database error
  }; # database_loaded
}
  
## -- Preparing for Misc. Error Reports --

  if ($WIKI->{config}->{debug}->{general}) {
    $main::SIG{__WARN__} = sub {
      push @{$WIKI->{var}->{error}||=[]}, {
        description => Message::Markup::XML::Node->new
                                         (type => '#text',
                                          value => $_[0]),
      };
    };
  }

## -- (Declaring for) Initializing $wiki->{var} --

  push @{$WIKI->{event}->{setting_initial_variables}}, sub {
    my $wiki = shift;
    ## Database access mode
    $wiki->{var}->{db}->{read_only}->{'#default'} = 1;
    
    ## Input parameter
    require SuikaWiki::Input::HTTP;
    $wiki->{input} = SuikaWiki::Input::HTTP->new (wiki => $wiki);
    $wiki->{input}->{decoder}->{'#default'} = sub {
      my ($http, $s, $temp_params) = @_;
      return main::code_convert (\$s, $wiki->{config}->{charset}->{internal},
                                 lc (@{$temp_params->{_charset_}||[]}[0])
                                 || $wiki->{config}->{charset}->{uri_param});
    };
    
    ## User agent negotiation
    $wiki->{var}->{client}->{user_agent_name}
      = $wiki->{input}->meta_variable ('HTTP_USER_AGENT');
    $wiki->{var}->{client}->{used_for_negotiate} = ['User-Agent'];
    my $dg = SuikaWiki::Plugin->module_package ('Downgrade');
    $dg->set_downgrade_flags ($wiki) if $dg;
    
    ## TODO: PATH_INFO support
    
    ## URI query parameter
    my $page = $wiki->{input}->meta_variable ('QUERY_STRING');
    if ($page and not (index ($page, '=') > -1)) {
      $page =~ tr/+/ /;
      $page =~ s/%([0-9A-Fa-f][0-9A-Fa-f])/pack 'C', hex $1/ge;
      $page = main::code_convert 
        (\$page, $wiki->{config}->{charset}->{internal},
         $wiki->{config}->{charset}->{uri_query});
    } else {
      $page = $wiki->{input}->parameter ('mypage');
    }
        
    ## TODO: SuikaWiki 3 WikiName
    $page =~ tr/\x00-\x20\x7F//d;
    $page = SuikaWiki::Name::Space::normalize_name ($page);
    if ($page) {
      $wiki->{var}->{page} = [split '//', $page];
    } else {
      $wiki->{var}->{page} = $wiki->{config}->{page}->{Default};
    }
 
    ## Mode
    my $mode = $wiki->{input}->parameter ('mode')
            || $wiki->{input}->parameter ('mycmd') ## for compatibility with
            || 'default';                          ## YukiWiki and SuikaWiki 2
    $mode =~ tr/-/_/;
    if ($mode eq 'default' or $mode =~ /[^0-9A-Za-z_]/) {
      my $cookie = $wiki->{input}->meta_variable ('HTTP_COOKIE');
      ## BUG: this code is not strict
      if ($cookie =~ /SelectedMode=([0-9A-Za-z_-]+)/) {
        $mode = $1; $mode =~ tr/-/_/;
      } else {
        $mode = 'read';
      }
      push @{$wiki->{var}->{client}->{used_for_negotiate}}, 'Cookie';
    }
    $wiki->{var}->{mode} = $mode;
  };


#### ---- Per-Session ----

## -- Initializing $wiki->{var} (Actual) --
  
  $WIKI->init_variables;  ## Per-session variables
  
## -- Instantiating WikiView --

  try {
    $WIKI->view_in_mode
      (mode => $WIKI->{var}->{mode},
       method => $WIKI->{input}->meta_variable ('REQUEST_METHOD'));
  } catch SuikaWiki::DB::Util::Error with {
    my $err = shift;
    unless ($err->{-type} eq 'ERROR_REPORTED') {
      $WIKI->view_in_mode (mode => '-wdb--fatal-error');
    }
  } catch SuikaWiki::View::Implementation::error with {
    my $err = shift;
    $err->throw unless $err->{-type} eq 'ERROR_REPORTED';
  } finally {
    $WIKI->close_input;
    $WIKI->close_db;
  };
  exit;


## -- Terminating WikiEngine --

END {
  $WIKI->exit;
}

=head1 SYNOPSIS

In your C<suikawiki.cgi>, write as:

  #!/usr/bin/perl
  BEGIN { $0 = ''.$0 }
  use strict;
  use lib qw(lib);
  use CGI::Carp qw(fatalsToBrowser);
  require 'suikawiki.pl';

=head1 SEE ALSO

<http://suika.fam.cx/~wakaba/-temp/wiki/wiki?SuikaWiki>,
<http://suika.fam.cx/~wakaba/-temp/wiki/wiki?SWHCS>,
C<wiki.cgi>, C<wikidata/suikawiki-config.ph>,
C<SuikaWiki::Implementation>

=head1 LICENSE

Copyright 2000-2004 Wakaba <w@suika.fam.cx>, et. al.  All rights reserved.

This program is free software; you can redistribute it and/or
modify it under the same terms as Perl itself.

=cut

1; # $Date: 2004/01/16 08:01:05 $
1	wakaba	1.22	=head1 NAME
2
3	wakaba	1.24	suikawiki.pl - SuikaWiki Driver as HTTP CGI Script (SWHCS)
4
5			=head1 DESCRIPTION
6
7			This script is a WikiDriver for SuikaWiki, working as HTTP CGI script.
8			With this script, SuikaWiki WikiEngine can be controled via remote WWW
9			user agents.
10
11			This file is part of SuikaWiki.
12	wakaba	1.22
13			=cut
14
15	wakaba	1.24	package wiki::driver::http;
16	wakaba	1.1	use strict;
17	wakaba	1.24	our $VERSION = do{my @r=(q$Revision: 1.23 $=~/\d+/g);sprintf "%d."."%02d" x $#r,@r};
18
19			## These lines should be removed after utf8 support
20			BEGIN {
21			$Message::Util::Formatter::Base::Token = qr/[\w._+\x80-\xFF-]+/;
22			require Message::Util::Formatter::Base;
23			}
24
25			## -- Constructing a new instance of the WikiEngine --
26
27			require SuikaWiki::Implementation;
28			our $WIKI = SuikaWiki::Implementation->new;
29
30			## -- Registering Version of the WikiDriver --
31
32			$WIKI->{driver_name} = 'SWHCS';
33			$WIKI->{driver_version} = $VERSION;
34			$WIKI->{driver_uri_reference}
35			= q<http://suika.fam.cx/~wakaba/-temp/wiki/wiki?SWHCS>;
36	wakaba	1.22
37	wakaba	1.24	## -- Preparing Dying Message as HTTP Response --
38
39	wakaba	1.22	require SuikaWiki::Output::CGICarp;
40	wakaba	1.24	$SuikaWiki::Output::CGICarp::CUSTOM_REASON_TEXT = 'Internal WikiEngine Error';
41	wakaba	1.22	CGI::Carp::set_message (sub {
42	wakaba	1.24	my $msg = shift; ## Already escaped
43			my $wiki_name_version = sprintf '%s/%s %s/%s',
44			$WIKI->{driver_name}, $WIKI->{driver_version},
45			$WIKI->{engine_name}, $WIKI->{engine_version};
46			my $trace = Carp::longmess ();
47			for ($trace, $wiki_name_version) {
48			s/&/&/g; s/</</g; s/([^\x20-\x7E])/sprintf '&#x%02X;', ord $1/ge;
49			};
50			print <<" EOH";
51			<!DOCTYPE html SYSTEM>
52			<title lang="en">500 Internal WikiEngine Error</title>
53			<h1 lang="en">Internal WikiEngine Error</h1>
54			<p>$msg</p>
55			<p>$trace</p>
56			<address>$wiki_name_version</address>
57			EOH
58	wakaba	1.22	});
59
60	wakaba	1.24	## -- Loading Configuration File --
61
62			require 'wikidata/suikawiki-config.ph';
63			config ($WIKI);
64
65			## -- Loading Modules --
66	wakaba	1.1
67	wakaba	1.24	use SuikaWiki::DB::Util::Error;
68			require SuikaWiki::Name::Space;
69	wakaba	1.23
70	wakaba	1.22	## -- Transitional Functions --
71	wakaba	1.1
72	w	1.9	# [to be obsolete] ->Message::MIME::Charset
73	wakaba	1.22	sub main::code_convert {
74	wakaba	1.24	my ($contentref, $code, $srccode) = @_;
75			return $$contentref if $$contentref !~ /[^\x21-\x7E]/;
76	wakaba	1.1	require Jcode;
77	wakaba	1.15	$code \|\|= $WIKI->{config}->{charset}->{internal};
78			for ($code, $srccode) {
79	wakaba	1.23	s/[^0-9A-Za-z_.+-]+//g;
80	wakaba	1.15	if ($_ eq 'euc-jp') { $_ = 'euc' }
81			elsif ($_ eq 'iso-2022-jp') { $_ = 'jis' }
82			elsif ($_ eq 'utf-8') { $_ = 'utf8' }
83			elsif ($_ eq 'shift_jis') { $_ = 'sjis' }
84			}
85	wakaba	1.19	if ($code eq 'iso-8859-1') {
86			return $$contentref; ## TODO:
87			}
88	wakaba	1.15	$$contentref = Jcode->new ($contentref, $srccode)
89			## Normalize FULLWIDTH characters and IDEOGRAPHIC SPACE
90			->tr ("\xA3\xB0-\xA3\xB9\xA3\xC1-\xA3\xDA\xA3\xE1-\xA3\xFA\xA1\xF5\xA1\xA4\xA1\xA5\xA1\xA7\xA1\xA8\xA1\xA9\xA1\xAA\xA1\xAE\xA1\xB0\xA1\xB2\xA1\xBF\xA1\xC3\xA1\xCA\xA1\xCB\xA1\xCE\xA1\xCF\xA1\xD0\xA1\xD1\xA1\xDC\xA1\xF0\xA1\xF3\xA1\xF4\xA1\xF6\xA1\xF7\xA1\xE1\xA1\xE4\xA1\xE3\xA1\xA1\xA2\xAF\xA2\xB0\xA2\xB2\xA2\xB1\xA1\xA1\xC0" => q(0-9A-Za-z&,.:;?!`^_/\|()[]{}+$%#*@=>< '"~-))
91	wakaba	1.23	# ->tr (qq(\x8E\xDE\x8E\xDF) => qq(\xA1\xAB\xA1\xAC))
92			->h2z (1)
93	wakaba	1.15	->$code;
94			return $$contentref;
95	wakaba	1.1	}
96
97	wakaba	1.22	## -- Initializing WikiPlugin --
98	wakaba	1.15
99	wakaba	1.22	$WIKI->init_plugin; ## WikiPlugin manager
100	wakaba	1.15
101	wakaba	1.22	## -- Initializing WikiView --
102	wakaba	1.15
103	wakaba	1.22	$WIKI->init_view; ## WikiView manager
104			$WIKI->{view}->register_common_modes;
105
106			## WikiView manager error handler
107			push @{$WIKI->{event}->{view_error}}, sub {
108			my ($wiki, $event) = @_;
109			SuikaWiki::Plugin->module_package ('Error')
110			->report_error_simple
111			($wiki, WikiView => $event->{error}->text,
112			-trace => 1)
113			if $event->{error}->{-def}->{level} eq 'fatal'
114			or $wiki->{config}->{debug}->{view};
115			unless ($event->{error}->{-def}->{level} eq 'fatal'
116			or $event->{error}->{-def}->{level} eq 'stop') {
117			$event->{cancel} = 1;
118			}
119			};
120
121			## "view_in_mode" method definition
122			push @{$WIKI->{event}->{view_in_mode}}, sub {
123			my ($wiki, $opt) = @_;
124			my $arg = {condition => {mode => $opt->{mode} \|\| '-error',
125			output => 'http-cgi',
126			http_method => $opt->{method} \|\| 'GET'}};
127			my $viewobj = $wiki->{view}->instantiate ($opt->{mode} \|\| '-error', $arg);
128			if (ref $viewobj) {
129			$viewobj->main ($arg);
130			} elsif ($opt->{mode} ne '-error') {
131			report SuikaWiki::View::Implementation::error
132			-type => 'WARN_VIEW_NOT_DEFINED', condition => $arg->{condition},
133			-object => $wiki->{view}, method => 'view_in_mode';
134			$wiki->view_in_mode (mode => '-error', method => 'GET');
135			## TODO: cache control for non-GET
136			} else {
137			die "Some error occured. Additionally, error reporting mode not defined";
138			}
139			};
140
141			## WikiView formatting template error handler
142			$WIKI->{config}->{catch}->{formatter_view}
143			= catch Message::Util::Formatter::error with {
144			my $err = shift;
145	wakaba	1.23	my $wiki = $err->{option}->{param}->{wiki};
146	wakaba	1.22	SuikaWiki::Plugin->module_package ('Error')
147	wakaba	1.23	->reporting_formatting_template_error ($err, $wiki,
148			trace => 1);
149	wakaba	1.22	$wiki->view_in_mode (mode => '-error', method => 'GET');
150			throw SuikaWiki::View::Implementation::error
151			-type => 'ERROR_REPORTED';
152			};
153
154			## WikiView formatting template error handler (occured in "-error" mode)
155			$WIKI->{config}->{catch}->{formatter_view_error}
156			= catch Message::Util::Formatter::error with {
157			my $err = shift;
158	wakaba	1.23	my $wiki = $err->{option}->{param}->{wiki};
159	wakaba	1.22	SuikaWiki::Plugin->module_package ('Error')
160	wakaba	1.23	->reporting_formatting_template_error ($err, $wiki,
161			trace => 1);
162	wakaba	1.22	$wiki->view_in_mode (mode => '-error-error', method => 'GET');
163			throw SuikaWiki::View::Implementation::error
164			-type => 'ERROR_REPORTED';
165			};
166	wakaba	1.15
167	wakaba	1.24	## -- Preparing for WikiDatabase Error Reports --
168	wakaba	1.22	{
169			my $error_report = sub {
170			my ($wiki, $err) = @_;
171			my $report = ($err->{-def}->{level} eq 'fatal' or
172			$err->{-def}->{level} eq 'stop' or
173			$wiki->{config}->{debug}->{db}) ? 1 : 0;
174			if ($report and $wiki->{config}->{path_to}->{db__content__error_log}) {
175	wakaba	1.23	my $err_msg = caller (1).($err->{method}? '->'.$err->{method}: '').': '
176			.(defined $err->{file}? $err->{file} . ': ' : '')
177			.(defined $err->{prop}? $err->{prop} . ': ' : '')
178			.(defined $err->{key}? join ('//', @{$err->{key}}).': ':'')
179	wakaba	1.22	. $err->text;
180			open LOG, '>>', $wiki->{config}->{path_to}->{db__content__error_log};
181			print LOG scalar (gmtime), " @{[$$]} {$err->{-def}->{level}}: ",
182			$err_msg, "\n";
183			close LOG;
184			}
185			SuikaWiki::Plugin->module_package ('WikiDB')
186			->reporting_error ($err, $wiki) if $report;
187	wakaba	1.24	if ($err->{-def}->{level} eq 'fatal'
188			# or $err->{-def}->{level} eq 'stop' ## for debug
189			) {
190	wakaba	1.22	$wiki->view_in_mode (mode => '-wdb--fatal-error');
191			throw SuikaWiki::DB::Util::Error -type => 'ERROR_REPORTED';
192			}
193			};
194			unshift @{$WIKI->{event}->{database_loaded}}, sub {
195			my $wiki = shift;
196			unshift @{$wiki->{db}->{event}->{error}}, sub {
197			my ($db, $event) = @_;
198			$error_report->($wiki, $event->{error});
199			if ($event->{error}->{-type} eq 'INFO_DB_PROP_OPENED') {
200			unshift @{$db->{prop}->{$event->{error}->{prop}}->{-db}
201			->{event}->{error}}, sub {
202			my ($db, $event) = @_;
203			$error_report->($wiki, $event->{error});
204			};
205			}
206			}; # database error
207			}; # database_loaded
208	wakaba	1.15	}
209	wakaba	1.22
210	wakaba	1.24	## -- Preparing for Misc. Error Reports --
211	wakaba	1.15
212	wakaba	1.22	if ($WIKI->{config}->{debug}->{general}) {
213			$main::SIG{__WARN__} = sub {
214			push @{$WIKI->{var}->{error}\|\|=[]}, {
215			description => Message::Markup::XML::Node->new
216			(type => '#text',
217			value => $_[0]),
218			};
219			};
220			}
221	w	1.9
222	wakaba	1.24	## -- (Declaring for) Initializing $wiki->{var} --
223	wakaba	1.21
224			push @{$WIKI->{event}->{setting_initial_variables}}, sub {
225			my $wiki = shift;
226	wakaba	1.24	## Database access mode
227	wakaba	1.15	$wiki->{var}->{db}->{read_only}->{'#default'} = 1;
228
229	wakaba	1.24	## Input parameter
230	wakaba	1.15	require SuikaWiki::Input::HTTP;
231	wakaba	1.21	$wiki->{input} = SuikaWiki::Input::HTTP->new (wiki => $wiki);
232	wakaba	1.15	$wiki->{input}->{decoder}->{'#default'} = sub {
233			my ($http, $s, $temp_params) = @_;
234	wakaba	1.18	return main::code_convert (\$s, $wiki->{config}->{charset}->{internal},
235			lc (@{$temp_params->{_charset_}\|\|[]}[0])
236	wakaba	1.15	\|\| $wiki->{config}->{charset}->{uri_param});
237			};
238	wakaba	1.24
239			## User agent negotiation
240	wakaba	1.15	$wiki->{var}->{client}->{user_agent_name}
241			= $wiki->{input}->meta_variable ('HTTP_USER_AGENT');
242			$wiki->{var}->{client}->{used_for_negotiate} = ['User-Agent'];
243	wakaba	1.21	my $dg = SuikaWiki::Plugin->module_package ('Downgrade');
244			$dg->set_downgrade_flags ($wiki) if $dg;
245	wakaba	1.15
246			## TODO: PATH_INFO support
247	wakaba	1.24
248			## URI query parameter
249	wakaba	1.15	my $page = $wiki->{input}->meta_variable ('QUERY_STRING');
250	wakaba	1.24	if ($page and not (index ($page, '=') > -1)) {
251	wakaba	1.15	$page =~ tr/+/ /;
252			$page =~ s/%([0-9A-Fa-f][0-9A-Fa-f])/pack 'C', hex $1/ge;
253			$page = main::code_convert
254	wakaba	1.18	(\$page, $wiki->{config}->{charset}->{internal},
255	wakaba	1.15	$wiki->{config}->{charset}->{uri_query});
256			} else {
257			$page = $wiki->{input}->parameter ('mypage');
258			}
259	wakaba	1.24
260	wakaba	1.15	## TODO: SuikaWiki 3 WikiName
261			$page =~ tr/\x00-\x20\x7F//d;
262			$page = SuikaWiki::Name::Space::normalize_name ($page);
263			if ($page) {
264			$wiki->{var}->{page} = [split '//', $page];
265			} else {
266			$wiki->{var}->{page} = $wiki->{config}->{page}->{Default};
267			}
268
269			## Mode
270			my $mode = $wiki->{input}->parameter ('mode')
271			\|\| $wiki->{input}->parameter ('mycmd') ## for compatibility with
272			\|\| 'default'; ## YukiWiki and SuikaWiki 2
273			$mode =~ tr/-/_/;
274	wakaba	1.24	if ($mode eq 'default' or $mode =~ /[^0-9A-Za-z_]/) {
275			my $cookie = $wiki->{input}->meta_variable ('HTTP_COOKIE');
276	wakaba	1.15	## BUG: this code is not strict
277			if ($cookie =~ /SelectedMode=([0-9A-Za-z_-]+)/) {
278			$mode = $1; $mode =~ tr/-/_/;
279			} else {
280			$mode = 'read';
281			}
282			push @{$wiki->{var}->{client}->{used_for_negotiate}}, 'Cookie';
283			}
284			$wiki->{var}->{mode} = $mode;
285			};
286	wakaba	1.21
287	wakaba	1.24
288			#### ---- Per-Session ----
289
290	wakaba	1.22	## -- Initializing $wiki->{var} (Actual) --
291
292			$WIKI->init_variables; ## Per-session variables
293	wakaba	1.15
294	wakaba	1.22	## -- Instantiating WikiView --
295
296			try {
297			$WIKI->view_in_mode
298			(mode => $WIKI->{var}->{mode},
299			method => $WIKI->{input}->meta_variable ('REQUEST_METHOD'));
300			} catch SuikaWiki::DB::Util::Error with {
301			my $err = shift;
302	wakaba	1.24	unless ($err->{-type} eq 'ERROR_REPORTED') {
303			$WIKI->view_in_mode (mode => '-wdb--fatal-error');
304			}
305	wakaba	1.22	} catch SuikaWiki::View::Implementation::error with {
306			my $err = shift;
307			$err->throw unless $err->{-type} eq 'ERROR_REPORTED';
308			} finally {
309			$WIKI->close_input;
310			$WIKI->close_db;
311	wakaba	1.18	};
312	wakaba	1.22	exit;
313	wakaba	1.18
314	wakaba	1.24
315
316	wakaba	1.22	## -- Terminating WikiEngine --
317	wakaba	1.24
318	wakaba	1.14	END {
319	wakaba	1.22	$WIKI->exit;
320			}
321	wakaba	1.1
322	wakaba	1.24	=head1 SYNOPSIS
323
324			In your C<suikawiki.cgi>, write as:
325
326			#!/usr/bin/perl
327			BEGIN { $0 = ''.$0 }
328			use strict;
329			use lib qw(lib);
330			use CGI::Carp qw(fatalsToBrowser);
331			require 'suikawiki.pl';
332
333			=head1 SEE ALSO
334
335			<http://suika.fam.cx/~wakaba/-temp/wiki/wiki?SuikaWiki>,
336			<http://suika.fam.cx/~wakaba/-temp/wiki/wiki?SWHCS>,
337			C<wiki.cgi>, C<wikidata/suikawiki-config.ph>,
338			C<SuikaWiki::Implementation>
339
340	wakaba	1.1	=head1 LICENSE
341
342	wakaba	1.24	Copyright 2000-2004 Wakaba <w@suika.fam.cx>, et. al. All rights reserved.
343	wakaba	1.1
344			This program is free software; you can redistribute it and/or
345			modify it under the same terms as Perl itself.
346
347			=cut
348
349	wakaba	1.24	1; # $Date: 2004/01/16 08:01:05 $