| 1 |
=head1 NAME |
| 2 |
|
| 3 |
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 |
|
| 13 |
=cut |
| 14 |
|
| 15 |
package wiki::driver::http; |
| 16 |
use strict; |
| 17 |
our $VERSION = do{my @r=(q$Revision: 1.33 $=~/\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 |
|
| 37 |
## -- Preparing Dying Message as HTTP Response -- |
| 38 |
|
| 39 |
require SuikaWiki::Output::CGICarp; |
| 40 |
$SuikaWiki::Output::CGICarp::CUSTOM_REASON_TEXT = 'Internal WikiEngine Error'; |
| 41 |
CGI::Carp::set_message (sub { |
| 42 |
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 |
}); |
| 59 |
|
| 60 |
## -- Loading Configuration File -- |
| 61 |
|
| 62 |
$_->($WIKI) for our @Config; |
| 63 |
|
| 64 |
## -- Setting Upper Bound for Too Many Accesses at the Same Time -- |
| 65 |
|
| 66 |
{ |
| 67 |
require SuikaWiki::DB::Util::Lock; |
| 68 |
my $lock = SuikaWiki::DB::Util::Lock |
| 69 |
->new (-directory => $WIKI->{config}->{path_to}->{db__lock__dir}, |
| 70 |
-name => 'main', |
| 71 |
-share => 1, |
| 72 |
-limit => $WIKI->{config}->{engine_max_access}); |
| 73 |
$lock->lock or do { |
| 74 |
require SuikaWiki::Output::HTTP; |
| 75 |
my $out = SuikaWiki::Output::HTTP->new; |
| 76 |
$out->{status_code} = 503; |
| 77 |
$out->{status_phrase} = q<WikiEngine Busy>; |
| 78 |
$out->add_header_field ('Retry-After' => 120); |
| 79 |
$out->{entity}->{media_type} = q<text/html>; |
| 80 |
$out->{entity}->{charset} = q<iso-8859-1>; |
| 81 |
$out->{entity}->{language} = [q<en>]; |
| 82 |
$out->{entity}->{body_is_octet_stream} = 1; |
| 83 |
my $wiki_name_version = sprintf '%s/%s %s/%s', |
| 84 |
$WIKI->{driver_name}, $WIKI->{driver_version}, |
| 85 |
$WIKI->{engine_name}, $WIKI->{engine_version}; |
| 86 |
for ($wiki_name_version) { |
| 87 |
s/&/&/g; s/</</g; s/([^\x20-\x7E])/sprintf '&#x%02X;', ord $1/ge; |
| 88 |
}; |
| 89 |
$out->{entity}->{body} = qq< |
| 90 |
<!DOCTYPE html SYSTEM> |
| 91 |
<title>503 WikiEngine Busy</title> |
| 92 |
<h1>WikiEngine Busy</h1> |
| 93 |
<p>WikiEngine is now busy and is unable to complete your request. |
| 94 |
Please retry again after a moment.</p> |
| 95 |
<address>$wiki_name_version</address> |
| 96 |
>; |
| 97 |
$out->output (output => 'http-cgi'); |
| 98 |
exit; |
| 99 |
}; |
| 100 |
END { $lock->unlock } |
| 101 |
} |
| 102 |
|
| 103 |
## -- Loading Modules -- |
| 104 |
|
| 105 |
use SuikaWiki::DB::Util::Error; |
| 106 |
|
| 107 |
## -- Transitional Functions -- |
| 108 |
|
| 109 |
# [to be obsolete] ->Message::MIME::Charset |
| 110 |
sub main::code_convert { |
| 111 |
my ($contentref, $code, $srccode) = @_; |
| 112 |
return $$contentref if $$contentref !~ /[^\x21-\x7E]/; |
| 113 |
require Jcode; |
| 114 |
$code ||= $WIKI->{config}->{charset}->{internal}; |
| 115 |
for ($code, $srccode) { |
| 116 |
s/[^0-9A-Za-z_.+-]+//g; |
| 117 |
if ($_ eq 'euc-jp') { $_ = 'euc' } |
| 118 |
elsif ($_ eq 'iso-2022-jp') { $_ = 'jis' } |
| 119 |
elsif ($_ eq 'utf-8') { $_ = 'utf8' } |
| 120 |
elsif ($_ eq 'shift_jis') { $_ = 'sjis' } |
| 121 |
} |
| 122 |
if ($code eq 'iso-8859-1') { |
| 123 |
return $$contentref; ## TODO: |
| 124 |
} |
| 125 |
$$contentref = Jcode->new ($contentref, $srccode) |
| 126 |
## Normalize FULLWIDTH characters and IDEOGRAPHIC SPACE |
| 127 |
->tr ("\xA3\xB0-\xA3\xB9\xA3\xC1-\xA3\xDA\xA3\xE1-\xA3\xFA\xA1\xF5\xA1\xA4\xA1\xA5\xA1\xA7\xA1\xA8\xA1\xA9\xA1\xAA\xA1\xAE\xA1\xB0\xA1\xB2\xA1\xBF\xA1\xC3\xA1\xCA\xA1\xCB\xA1\xCE\xA1\xCF\xA1\xD0\xA1\xD1\xA1\xDC\xA1\xF0\xA1\xF3\xA1\xF4\xA1\xF6\xA1\xF7\xA1\xE1\xA1\xE4\xA1\xE3\xA1\xA1\xA2\xAF\xA2\xB0\xA2\xB2\xA2\xB1" => q(0-9A-Za-z&,.:;?!`^_/|()[]{}+$%#*@=>< '"~-)) |
| 128 |
# ->tr (qq(\x8E\xDE\x8E\xDF) => qq(\xA1\xAB\xA1\xAC)) |
| 129 |
->h2z (1) |
| 130 |
->$code; |
| 131 |
return $$contentref; |
| 132 |
} |
| 133 |
|
| 134 |
## -- Initializing WikiPlugin -- |
| 135 |
|
| 136 |
$WIKI->init_plugin; ## WikiPlugin manager |
| 137 |
|
| 138 |
## -- Initializing WikiView -- |
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|
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$WIKI->init_view; ## WikiView manager |
| 141 |
$WIKI->{view}->register_common_modes; |
| 142 |
|
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## WikiView manager error handler |
| 144 |
push @{$WIKI->{event}->{view_error}}, sub { |
| 145 |
my ($wiki, $event) = @_; |
| 146 |
SuikaWiki::Plugin->module_package ('Error') |
| 147 |
->report_error_simple |
| 148 |
($wiki, WikiView => $event->{error}->text, |
| 149 |
-trace => 1) |
| 150 |
if $event->{error}->{-def}->{level} eq 'fatal' |
| 151 |
or $wiki->{config}->{debug}->{view}; |
| 152 |
unless ($event->{error}->{-def}->{level} eq 'fatal' |
| 153 |
or $event->{error}->{-def}->{level} eq 'stop') { |
| 154 |
$event->{cancel} = 1; |
| 155 |
} |
| 156 |
}; |
| 157 |
|
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## "view_in_mode" method definition |
| 159 |
push @{$WIKI->{event}->{view_in_mode}}, sub { |
| 160 |
my ($wiki, $event) = @_; |
| 161 |
my $opt = $event->{view_in_mode}; |
| 162 |
my $arg = {condition => {mode => $opt->{mode} || '-error', |
| 163 |
output => 'http-cgi', |
| 164 |
http_method => $opt->{method} || 'GET'}}; |
| 165 |
my $viewobj = $wiki->{view}->instantiate ($opt->{mode} || '-error', $arg); |
| 166 |
if (ref $viewobj) { |
| 167 |
$viewobj->main ($arg); |
| 168 |
} elsif ($opt->{mode} ne '-error') { |
| 169 |
report SuikaWiki::View::Implementation::error |
| 170 |
-type => 'WARN_VIEW_NOT_DEFINED', condition => $arg->{condition}, |
| 171 |
-object => $wiki->{view}, method => 'view_in_mode'; |
| 172 |
$wiki->view_in_mode (mode => '-wv--no-view-definition', method => 'GET'); |
| 173 |
## TODO: cache control for non-GET |
| 174 |
} else { |
| 175 |
die "Some error occured. Additionally, error reporting mode not defined"; |
| 176 |
} |
| 177 |
}; |
| 178 |
|
| 179 |
## WikiView formatting template error handler |
| 180 |
$WIKI->{config}->{catch}->{formatter_view} |
| 181 |
= catch Message::Util::Formatter::error with { |
| 182 |
my $err = shift; |
| 183 |
my $wiki = $err->{option}->{param}->{wiki}; |
| 184 |
SuikaWiki::Plugin->module_package ('Error') |
| 185 |
->reporting_formatting_template_error ($err, $wiki, |
| 186 |
trace => 1); |
| 187 |
$wiki->view_in_mode (mode => '-error', method => 'GET'); |
| 188 |
throw SuikaWiki::View::Implementation::error |
| 189 |
-type => 'ERROR_REPORTED'; |
| 190 |
}; |
| 191 |
|
| 192 |
## WikiView formatting template error handler (occured in "-error" mode) |
| 193 |
$WIKI->{config}->{catch}->{formatter_view_error} |
| 194 |
= catch Message::Util::Formatter::error with { |
| 195 |
my $err = shift; |
| 196 |
my $wiki = $err->{option}->{param}->{wiki}; |
| 197 |
SuikaWiki::Plugin->module_package ('Error') |
| 198 |
->reporting_formatting_template_error ($err, $wiki, |
| 199 |
trace => 1); |
| 200 |
$wiki->view_in_mode (mode => '-error-error', method => 'GET'); |
| 201 |
throw SuikaWiki::View::Implementation::error |
| 202 |
-type => 'ERROR_REPORTED'; |
| 203 |
}; |
| 204 |
|
| 205 |
## -- Preparing for WikiDatabase Error Reports -- |
| 206 |
{ |
| 207 |
my $error_report = sub { |
| 208 |
my ($wiki, $err) = @_; |
| 209 |
if ($err->{-def}->{level} eq 'fatal') { |
| 210 |
$wiki->close_db if $wiki->{db}; |
| 211 |
} |
| 212 |
my $report = ($err->{-def}->{level} eq 'fatal' or |
| 213 |
$err->{-def}->{level} eq 'stop' or |
| 214 |
$wiki->{config}->{debug}->{db}) ? 1 : 0; |
| 215 |
if ($report and $wiki->{config}->{path_to}->{db__content__error_log}) { |
| 216 |
my $err_msg = caller (1).($err->{method}? '->'.$err->{method}: '').': ' |
| 217 |
.(defined $err->{file}? $err->{file} . ': ' : '') |
| 218 |
.(defined $err->{prop}? $err->{prop} . ': ' : '') |
| 219 |
.(defined $err->{key}? join ('//', @{$err->{key}}).': ':'') |
| 220 |
. $err->text |
| 221 |
. ($wiki->{config}->{debug}->{db} > 1 ? Carp::longmess () : ''); |
| 222 |
open LOG, '>>', $wiki->{config}->{path_to}->{db__content__error_log}; |
| 223 |
print LOG scalar (gmtime), " @{[$$]} {$err->{-def}->{level}}: ", |
| 224 |
$err_msg, "\n"; |
| 225 |
close LOG; |
| 226 |
} |
| 227 |
SuikaWiki::Plugin->module_package ('WikiDB') |
| 228 |
->reporting_error ($err, $wiki) if $report; |
| 229 |
if ($err->{-def}->{level} eq 'fatal' |
| 230 |
# or $err->{-def}->{level} eq 'stop' ## for debug |
| 231 |
) { |
| 232 |
$wiki->view_in_mode (mode => '-wdb--fatal-error'); |
| 233 |
throw SuikaWiki::DB::Util::Error -type => 'ERROR_REPORTED'; |
| 234 |
} |
| 235 |
}; |
| 236 |
unshift @{$WIKI->{event}->{database_loaded}}, sub { |
| 237 |
my $wiki = shift; |
| 238 |
unshift @{$wiki->{db}->{event}->{error}}, sub { |
| 239 |
my ($db, $event) = @_; |
| 240 |
$error_report->($wiki, $event->{error}); |
| 241 |
if ($event->{error}->{-type} eq 'INFO_DB_PROP_OPENED') { |
| 242 |
unshift @{$db->{prop}->{$event->{error}->{prop}}->{-db} |
| 243 |
->{event}->{error}}, sub { |
| 244 |
my ($db, $event) = @_; |
| 245 |
$error_report->($wiki, $event->{error}); |
| 246 |
}; |
| 247 |
} |
| 248 |
}; # database error |
| 249 |
}; # database_loaded |
| 250 |
} |
| 251 |
|
| 252 |
## -- Preparing for Misc. Error Reports -- |
| 253 |
|
| 254 |
if ($WIKI->{config}->{debug}->{general}) { |
| 255 |
$main::SIG{__WARN__} = sub { |
| 256 |
push @{$WIKI->{var}->{error}||=[]}, { |
| 257 |
description => Message::Markup::XML::Node->new |
| 258 |
(type => '#text', |
| 259 |
value => $_[0]), |
| 260 |
}; |
| 261 |
}; |
| 262 |
} |
| 263 |
|
| 264 |
## -- (Declaring for) Initializing $wiki->{var} -- |
| 265 |
|
| 266 |
push @{$WIKI->{event}->{setting_initial_variables}}, sub { |
| 267 |
my $wiki = shift; |
| 268 |
## Database access mode |
| 269 |
$wiki->{var}->{db}->{read_only}->{'#default'} = 1; |
| 270 |
$wiki->{var}->{db}->{lock_module}->{'#default'} |
| 271 |
= q<SuikaWiki::DB::Util::Lock>; |
| 272 |
$wiki->{var}->{db}->{read_lock_module}->{'#default'} |
| 273 |
= q<SuikaWiki::DB::Lock::NoLock>; |
| 274 |
|
| 275 |
## Input parameter |
| 276 |
require SuikaWiki::Input::HTTP; |
| 277 |
$wiki->{input} = SuikaWiki::Input::HTTP->new (wiki => $wiki); |
| 278 |
$wiki->{input}->{decoder}->{'#default'} = sub { |
| 279 |
my ($http, $s, $temp_params) = @_; |
| 280 |
return main::code_convert (\$s, $wiki->{config}->{charset}->{internal}, |
| 281 |
lc (@{$temp_params->{_charset_}||[]}[0]) |
| 282 |
|| $wiki->{config}->{charset}->{uri_param}); |
| 283 |
}; |
| 284 |
|
| 285 |
## User agent negotiation |
| 286 |
$wiki->{var}->{client}->{user_agent_name} |
| 287 |
= $wiki->{input}->meta_variable ('HTTP_USER_AGENT'); |
| 288 |
$wiki->{var}->{client}->{used_for_negotiate} = ['User-Agent']; |
| 289 |
try { |
| 290 |
my $dg = SuikaWiki::Plugin->module_package ('Downgrade'); |
| 291 |
$dg->set_downgrade_flags ($wiki) if $dg; |
| 292 |
} catch SuikaWiki::Plugin::error with { |
| 293 |
my $err = shift; |
| 294 |
$err->raise unless $err->{-type} eq 'PLUGIN_NOT_FOUND'; |
| 295 |
}; |
| 296 |
|
| 297 |
## TODO: PATH_INFO support |
| 298 |
|
| 299 |
## URI query parameter |
| 300 |
my $page = $wiki->{input}->meta_variable ('QUERY_STRING'); |
| 301 |
if ($page and not (index ($page, '=') > -1)) { |
| 302 |
$page =~ tr/+/ /; |
| 303 |
$page =~ s/%([0-9A-Fa-f][0-9A-Fa-f])/pack 'C', hex $1/ge; |
| 304 |
$page = main::code_convert |
| 305 |
(\$page, $wiki->{config}->{charset}->{internal}, |
| 306 |
$wiki->{config}->{charset}->{uri_query}); |
| 307 |
} else { |
| 308 |
$page = $wiki->{input}->parameter ('mypage'); |
| 309 |
} |
| 310 |
|
| 311 |
## ISSUE: WikiName normalization needed |
| 312 |
$page =~ s/\s+/\x20/g; |
| 313 |
$page =~ s/^\x20//; $page =~ s/\x20+$//; |
| 314 |
$page =~ tr/\x00-\x1F\x7F//d; |
| 315 |
if ($page) { |
| 316 |
$wiki->{var}->{page} = $wiki->name ($page); |
| 317 |
} else { |
| 318 |
# $wiki->{var}->{page} = $wiki->{config}->{page}->{Default}; |
| 319 |
$wiki->{var}->{page} = $wiki->name ([]); |
| 320 |
} |
| 321 |
|
| 322 |
## Mode |
| 323 |
my $mode = $wiki->{input}->parameter ('mode') |
| 324 |
|| $wiki->{input}->parameter ('mycmd') ## for compatibility with |
| 325 |
|| 'default'; ## YukiWiki and SuikaWiki 2 |
| 326 |
$mode =~ tr/-/_/; |
| 327 |
my $data = $wiki->{input}->parameter ('wikiform__msg'); |
| 328 |
if (($mode eq 'wikiform' and $page =~ /^http:/) or |
| 329 |
($mode eq 'wikiform' and ($data =~ s/http:/http:/g) > 20)) { |
| 330 |
$mode = 'spam'; |
| 331 |
push @{$wiki->{var}->{client}->{used_for_negotiate}}, 'Negotiate'; |
| 332 |
} |
| 333 |
if ($mode eq 'default' or $mode =~ /[^0-9A-Za-z_]/) { |
| 334 |
my $cookie = $wiki->{input}->meta_variable ('HTTP_COOKIE'); |
| 335 |
## BUG: this code is not strict |
| 336 |
if ($cookie =~ /SelectedMode=([0-9A-Za-z_-]+)/) { |
| 337 |
$mode = $1; $mode =~ tr/-/_/; |
| 338 |
} elsif ($wiki->{var}->{client}->{downgrade}->{is_robot} and |
| 339 |
$wiki->{plugin}->module_package ('Robot', allow_undef => 1)) { |
| 340 |
$mode = 'robot--read'; |
| 341 |
} else { |
| 342 |
$mode = 'read'; |
| 343 |
} |
| 344 |
push @{$wiki->{var}->{client}->{used_for_negotiate}}, 'Cookie'; |
| 345 |
} |
| 346 |
$wiki->{var}->{mode} = $mode; |
| 347 |
}; |
| 348 |
|
| 349 |
## -- Referer Logging -- |
| 350 |
push @{$WIKI->{event}->{input_close}}, sub { |
| 351 |
my ($wiki, $event) = @_; |
| 352 |
try { |
| 353 |
SuikaWiki::Plugin->module_package ('Referer') |
| 354 |
->add_referer (wiki => $wiki, |
| 355 |
uri => $wiki->{input}->meta_variable |
| 356 |
('HTTP_REFERER')); |
| 357 |
} catch SuikaWiki::Plugin::error with { |
| 358 |
my $err = shift; |
| 359 |
$err->raise unless $err->{-type} eq 'PLUGIN_NOT_FOUND'; |
| 360 |
}; |
| 361 |
}; |
| 362 |
|
| 363 |
#### ---- Per-Session ---- |
| 364 |
|
| 365 |
## -- Initializing $wiki->{var} (Actual) -- |
| 366 |
|
| 367 |
$WIKI->init_variables; ## Per-session variables |
| 368 |
|
| 369 |
## -- Instantiating WikiView -- |
| 370 |
|
| 371 |
try { |
| 372 |
$WIKI->view_in_mode |
| 373 |
(mode => $WIKI->{var}->{mode}, |
| 374 |
method => $WIKI->{input}->meta_variable ('REQUEST_METHOD')); |
| 375 |
} catch SuikaWiki::DB::Util::Error with { |
| 376 |
my $err = shift; |
| 377 |
unless ($err->{-type} eq 'ERROR_REPORTED') { |
| 378 |
$WIKI->view_in_mode (mode => '-wdb--fatal-error'); |
| 379 |
} |
| 380 |
} catch SuikaWiki::View::Implementation::error with { |
| 381 |
my $err = shift; |
| 382 |
$err->throw unless $err->{-type} eq 'ERROR_REPORTED'; |
| 383 |
} catch SuikaWiki::Format::Definition::error with { |
| 384 |
$WIKI->view_in_mode (mode => '-wf--converter-not-found'); |
| 385 |
} finally { |
| 386 |
$WIKI->close_input; |
| 387 |
$WIKI->close_db; |
| 388 |
}; |
| 389 |
exit; |
| 390 |
|
| 391 |
|
| 392 |
|
| 393 |
## -- Terminating WikiEngine -- |
| 394 |
|
| 395 |
END { |
| 396 |
$WIKI->exit; |
| 397 |
} |
| 398 |
|
| 399 |
=head1 SYNOPSIS |
| 400 |
|
| 401 |
In your C<suikawiki.cgi>, write as: |
| 402 |
|
| 403 |
#!/usr/bin/perl |
| 404 |
BEGIN { $0 = ''.$0 } |
| 405 |
use strict; |
| 406 |
use lib qw(lib); |
| 407 |
use CGI::Carp qw(fatalsToBrowser); |
| 408 |
require 'suikawiki.pl'; |
| 409 |
|
| 410 |
=head1 SEE ALSO |
| 411 |
|
| 412 |
<http://suika.fam.cx/~wakaba/-temp/wiki/wiki?SuikaWiki>, |
| 413 |
<http://suika.fam.cx/~wakaba/-temp/wiki/wiki?SWHCS>, |
| 414 |
C<wiki.cgi>, C<wikidata/suikawiki-config.ph>, |
| 415 |
C<SuikaWiki::Implementation> |
| 416 |
|
| 417 |
=head1 LICENSE |
| 418 |
|
| 419 |
Copyright 2000-2004 Wakaba <w@suika.fam.cx>, et. al. All rights reserved. |
| 420 |
|
| 421 |
This program is free software; you can redistribute it and/or |
| 422 |
modify it under the same terms as Perl itself. |
| 423 |
|
| 424 |
=cut |
| 425 |
|
| 426 |
1; # $Date: 2006/05/28 01:59:51 $ |
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