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: 1.27 $=~/\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 --

  $_->($WIKI) for our @Config;

## -- 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, $srccode)
    ## Normalize FULLWIDTH characters and IDEOGRAPHIC SPACE
                      ->tr ("\xA3\xB0-\xA3\xB9\xA3\xC1-\xA3\xDA\xA3\xE1-\xA3\xFA\xA1\xF5\xA1\xA4\xA1\xA5\xA1\xA7\xA1\xA8\xA1\xA9\xA1\xAA\xA1\xAE\xA1\xB0\xA1\xB2\xA1\xBF\xA1\xC3\xA1\xCA\xA1\xCB\xA1\xCE\xA1\xCF\xA1\xD0\xA1\xD1\xA1\xDC\xA1\xF0\xA1\xF3\xA1\xF4\xA1\xF6\xA1\xF7\xA1\xE1\xA1\xE4\xA1\xE3\xA1\xA1\xA2\xAF\xA2\xB0\xA2\xB2\xA2\xB1" => q(0-9A-Za-z&,.:;?!`^_/|()[]{}+$%#*@=>< '"~-))
#                      ->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, $event) = @_;
    my $opt = $event->{view_in_mode};
    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 => '-wv--no-view-definition', 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, $err) = @_;
    if ($err->{-def}->{level} eq 'fatal') {
      $wiki->close_db if $wiki->{db};
    }
      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}}).': ':'')
                    . $err->text
                . ($wiki->{config}->{debug}->{db} > 1 ? Carp::longmess () : '');
        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'];
    try {
      my $dg = SuikaWiki::Plugin->module_package ('Downgrade');
      $dg->set_downgrade_flags ($wiki) if $dg;
    } catch SuikaWiki::Plugin::error with {
      my $err = shift;
      $err->raise unless $err->{-type} eq 'PLUGIN_NOT_FOUND';
    };
    
    ## 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');
    }
    
    ## ISSUE: WikiName normalization needed
    $page =~ s/\s+/\x20/g;
    $page =~ s/^\x20//; $page =~ s/\x20+$//;
    $page =~ tr/\x00-\x1F\x7F//d;
    if ($page) {
      $wiki->{var}->{page} = $wiki->name ($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';
  } catch SuikaWiki::Format::Definition::error with {
    $WIKI->view_in_mode (mode => '-wf--converter-not-found');
  } 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: 2004/03/11 10:13:46 $
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	1.28	our $VERSION = do{my @r=(q$Revision: 1.27 $=~/\d+/g);sprintf "%d."."%02d" x $#r,@r};
18	wakaba	1.24
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	wakaba	1.28	$_->($WIKI) for our @Config;
63	wakaba	1.24
64			## -- Loading Modules --
65	wakaba	1.1
66	wakaba	1.24	use SuikaWiki::DB::Util::Error;
67			require SuikaWiki::Name::Space;
68	wakaba	1.23
69	wakaba	1.22	## -- Transitional Functions --
70	wakaba	1.1
71	w	1.9	# [to be obsolete] ->Message::MIME::Charset
72	wakaba	1.22	sub main::code_convert {
73	wakaba	1.24	my ($contentref, $code, $srccode) = @_;
74			return $$contentref if $$contentref !~ /[^\x21-\x7E]/;
75	wakaba	1.1	require Jcode;
76	wakaba	1.15	$code \|\|= $WIKI->{config}->{charset}->{internal};
77			for ($code, $srccode) {
78	wakaba	1.23	s/[^0-9A-Za-z_.+-]+//g;
79	wakaba	1.15	if ($_ eq 'euc-jp') { $_ = 'euc' }
80			elsif ($_ eq 'iso-2022-jp') { $_ = 'jis' }
81			elsif ($_ eq 'utf-8') { $_ = 'utf8' }
82			elsif ($_ eq 'shift_jis') { $_ = 'sjis' }
83			}
84	wakaba	1.19	if ($code eq 'iso-8859-1') {
85			return $$contentref; ## TODO:
86			}
87	wakaba	1.15	$$contentref = Jcode->new ($contentref, $srccode)
88			## Normalize FULLWIDTH characters and IDEOGRAPHIC SPACE
89	wakaba	1.25	->tr ("\xA3\xB0-\xA3\xB9\xA3\xC1-\xA3\xDA\xA3\xE1-\xA3\xFA\xA1\xF5\xA1\xA4\xA1\xA5\xA1\xA7\xA1\xA8\xA1\xA9\xA1\xAA\xA1\xAE\xA1\xB0\xA1\xB2\xA1\xBF\xA1\xC3\xA1\xCA\xA1\xCB\xA1\xCE\xA1\xCF\xA1\xD0\xA1\xD1\xA1\xDC\xA1\xF0\xA1\xF3\xA1\xF4\xA1\xF6\xA1\xF7\xA1\xE1\xA1\xE4\xA1\xE3\xA1\xA1\xA2\xAF\xA2\xB0\xA2\xB2\xA2\xB1" => q(0-9A-Za-z&,.:;?!`^_/\|()[]{}+$%#*@=>< '"~-))
90	wakaba	1.23	# ->tr (qq(\x8E\xDE\x8E\xDF) => qq(\xA1\xAB\xA1\xAC))
91			->h2z (1)
92	wakaba	1.15	->$code;
93			return $$contentref;
94	wakaba	1.1	}
95
96	wakaba	1.22	## -- Initializing WikiPlugin --
97	wakaba	1.15
98	wakaba	1.22	$WIKI->init_plugin; ## WikiPlugin manager
99	wakaba	1.15
100	wakaba	1.22	## -- Initializing WikiView --
101	wakaba	1.15
102	wakaba	1.22	$WIKI->init_view; ## WikiView manager
103			$WIKI->{view}->register_common_modes;
104
105			## WikiView manager error handler
106			push @{$WIKI->{event}->{view_error}}, sub {
107			my ($wiki, $event) = @_;
108			SuikaWiki::Plugin->module_package ('Error')
109			->report_error_simple
110			($wiki, WikiView => $event->{error}->text,
111			-trace => 1)
112			if $event->{error}->{-def}->{level} eq 'fatal'
113			or $wiki->{config}->{debug}->{view};
114			unless ($event->{error}->{-def}->{level} eq 'fatal'
115			or $event->{error}->{-def}->{level} eq 'stop') {
116			$event->{cancel} = 1;
117			}
118			};
119
120			## "view_in_mode" method definition
121			push @{$WIKI->{event}->{view_in_mode}}, sub {
122	wakaba	1.26	my ($wiki, $event) = @_;
123			my $opt = $event->{view_in_mode};
124	wakaba	1.22	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	wakaba	1.25	$wiki->view_in_mode (mode => '-wv--no-view-definition', method => 'GET');
135	wakaba	1.22	## 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	wakaba	1.26	if ($err->{-def}->{level} eq 'fatal') {
172			$wiki->close_db if $wiki->{db};
173			}
174	wakaba	1.22	my $report = ($err->{-def}->{level} eq 'fatal' or
175			$err->{-def}->{level} eq 'stop' or
176			$wiki->{config}->{debug}->{db}) ? 1 : 0;
177			if ($report and $wiki->{config}->{path_to}->{db__content__error_log}) {
178	wakaba	1.23	my $err_msg = caller (1).($err->{method}? '->'.$err->{method}: '').': '
179			.(defined $err->{file}? $err->{file} . ': ' : '')
180			.(defined $err->{prop}? $err->{prop} . ': ' : '')
181			.(defined $err->{key}? join ('//', @{$err->{key}}).': ':'')
182	wakaba	1.26	. $err->text
183			. ($wiki->{config}->{debug}->{db} > 1 ? Carp::longmess () : '');
184	wakaba	1.22	open LOG, '>>', $wiki->{config}->{path_to}->{db__content__error_log};
185			print LOG scalar (gmtime), " @{[$$]} {$err->{-def}->{level}}: ",
186			$err_msg, "\n";
187			close LOG;
188			}
189			SuikaWiki::Plugin->module_package ('WikiDB')
190			->reporting_error ($err, $wiki) if $report;
191	wakaba	1.26	if ($err->{-def}->{level} eq 'fatal'
192	wakaba	1.24	# or $err->{-def}->{level} eq 'stop' ## for debug
193	wakaba	1.26	) {
194			$wiki->view_in_mode (mode => '-wdb--fatal-error');
195			throw SuikaWiki::DB::Util::Error -type => 'ERROR_REPORTED';
196			}
197	wakaba	1.22	};
198			unshift @{$WIKI->{event}->{database_loaded}}, sub {
199			my $wiki = shift;
200			unshift @{$wiki->{db}->{event}->{error}}, sub {
201			my ($db, $event) = @_;
202			$error_report->($wiki, $event->{error});
203			if ($event->{error}->{-type} eq 'INFO_DB_PROP_OPENED') {
204			unshift @{$db->{prop}->{$event->{error}->{prop}}->{-db}
205			->{event}->{error}}, sub {
206			my ($db, $event) = @_;
207			$error_report->($wiki, $event->{error});
208			};
209			}
210			}; # database error
211			}; # database_loaded
212	wakaba	1.15	}
213	wakaba	1.22
214	wakaba	1.24	## -- Preparing for Misc. Error Reports --
215	wakaba	1.15
216	wakaba	1.22	if ($WIKI->{config}->{debug}->{general}) {
217			$main::SIG{__WARN__} = sub {
218			push @{$WIKI->{var}->{error}\|\|=[]}, {
219			description => Message::Markup::XML::Node->new
220			(type => '#text',
221			value => $_[0]),
222			};
223			};
224			}
225	w	1.9
226	wakaba	1.24	## -- (Declaring for) Initializing $wiki->{var} --
227	wakaba	1.21
228			push @{$WIKI->{event}->{setting_initial_variables}}, sub {
229			my $wiki = shift;
230	wakaba	1.24	## Database access mode
231	wakaba	1.15	$wiki->{var}->{db}->{read_only}->{'#default'} = 1;
232
233	wakaba	1.24	## Input parameter
234	wakaba	1.15	require SuikaWiki::Input::HTTP;
235	wakaba	1.21	$wiki->{input} = SuikaWiki::Input::HTTP->new (wiki => $wiki);
236	wakaba	1.15	$wiki->{input}->{decoder}->{'#default'} = sub {
237			my ($http, $s, $temp_params) = @_;
238	wakaba	1.18	return main::code_convert (\$s, $wiki->{config}->{charset}->{internal},
239			lc (@{$temp_params->{_charset_}\|\|[]}[0])
240	wakaba	1.15	\|\| $wiki->{config}->{charset}->{uri_param});
241			};
242	wakaba	1.24
243			## User agent negotiation
244	wakaba	1.15	$wiki->{var}->{client}->{user_agent_name}
245			= $wiki->{input}->meta_variable ('HTTP_USER_AGENT');
246			$wiki->{var}->{client}->{used_for_negotiate} = ['User-Agent'];
247	wakaba	1.27	try {
248			my $dg = SuikaWiki::Plugin->module_package ('Downgrade');
249			$dg->set_downgrade_flags ($wiki) if $dg;
250			} catch SuikaWiki::Plugin::error with {
251			my $err = shift;
252			$err->raise unless $err->{-type} eq 'PLUGIN_NOT_FOUND';
253			};
254	wakaba	1.15
255			## TODO: PATH_INFO support
256	wakaba	1.24
257			## URI query parameter
258	wakaba	1.15	my $page = $wiki->{input}->meta_variable ('QUERY_STRING');
259	wakaba	1.24	if ($page and not (index ($page, '=') > -1)) {
260	wakaba	1.15	$page =~ tr/+/ /;
261			$page =~ s/%([0-9A-Fa-f][0-9A-Fa-f])/pack 'C', hex $1/ge;
262			$page = main::code_convert
263	wakaba	1.18	(\$page, $wiki->{config}->{charset}->{internal},
264	wakaba	1.15	$wiki->{config}->{charset}->{uri_query});
265			} else {
266			$page = $wiki->{input}->parameter ('mypage');
267			}
268	wakaba	1.25
269			## ISSUE: WikiName normalization needed
270			$page =~ s/\s+/\x20/g;
271			$page =~ s/^\x20//; $page =~ s/\x20+$//;
272			$page =~ tr/\x00-\x1F\x7F//d;
273	wakaba	1.15	if ($page) {
274	wakaba	1.25	$wiki->{var}->{page} = $wiki->name ($page);
275	wakaba	1.15	} else {
276			$wiki->{var}->{page} = $wiki->{config}->{page}->{Default};
277			}
278
279			## Mode
280			my $mode = $wiki->{input}->parameter ('mode')
281			\|\| $wiki->{input}->parameter ('mycmd') ## for compatibility with
282			\|\| 'default'; ## YukiWiki and SuikaWiki 2
283			$mode =~ tr/-/_/;
284	wakaba	1.24	if ($mode eq 'default' or $mode =~ /[^0-9A-Za-z_]/) {
285			my $cookie = $wiki->{input}->meta_variable ('HTTP_COOKIE');
286	wakaba	1.15	## BUG: this code is not strict
287			if ($cookie =~ /SelectedMode=([0-9A-Za-z_-]+)/) {
288			$mode = $1; $mode =~ tr/-/_/;
289			} else {
290			$mode = 'read';
291			}
292			push @{$wiki->{var}->{client}->{used_for_negotiate}}, 'Cookie';
293			}
294			$wiki->{var}->{mode} = $mode;
295			};
296	wakaba	1.21
297	wakaba	1.24
298			#### ---- Per-Session ----
299
300	wakaba	1.22	## -- Initializing $wiki->{var} (Actual) --
301
302			$WIKI->init_variables; ## Per-session variables
303	wakaba	1.15
304	wakaba	1.22	## -- Instantiating WikiView --
305
306			try {
307			$WIKI->view_in_mode
308			(mode => $WIKI->{var}->{mode},
309			method => $WIKI->{input}->meta_variable ('REQUEST_METHOD'));
310			} catch SuikaWiki::DB::Util::Error with {
311			my $err = shift;
312	wakaba	1.24	unless ($err->{-type} eq 'ERROR_REPORTED') {
313			$WIKI->view_in_mode (mode => '-wdb--fatal-error');
314			}
315	wakaba	1.22	} catch SuikaWiki::View::Implementation::error with {
316			my $err = shift;
317			$err->throw unless $err->{-type} eq 'ERROR_REPORTED';
318	wakaba	1.25	} catch SuikaWiki::Format::Definition::error with {
319			$WIKI->view_in_mode (mode => '-wf--converter-not-found');
320	wakaba	1.22	} finally {
321			$WIKI->close_input;
322			$WIKI->close_db;
323	wakaba	1.18	};
324	wakaba	1.22	exit;
325	wakaba	1.18
326	wakaba	1.24
327
328	wakaba	1.22	## -- Terminating WikiEngine --
329	wakaba	1.24
330	wakaba	1.14	END {
331	wakaba	1.22	$WIKI->exit;
332			}
333	wakaba	1.1
334	wakaba	1.24	=head1 SYNOPSIS
335
336			In your C<suikawiki.cgi>, write as:
337
338			#!/usr/bin/perl
339			BEGIN { $0 = ''.$0 }
340			use strict;
341			use lib qw(lib);
342			use CGI::Carp qw(fatalsToBrowser);
343			require 'suikawiki.pl';
344
345			=head1 SEE ALSO
346
347			<http://suika.fam.cx/~wakaba/-temp/wiki/wiki?SuikaWiki>,
348			<http://suika.fam.cx/~wakaba/-temp/wiki/wiki?SWHCS>,
349			C<wiki.cgi>, C<wikidata/suikawiki-config.ph>,
350			C<SuikaWiki::Implementation>
351
352	wakaba	1.1	=head1 LICENSE
353
354	wakaba	1.24	Copyright 2000-2004 Wakaba <w@suika.fam.cx>, et. al. All rights reserved.
355	wakaba	1.1
356			This program is free software; you can redistribute it and/or
357			modify it under the same terms as Perl itself.
358
359			=cut
360
361	wakaba	1.28	1; # $Date: 2004/03/11 10:13:46 $