/[mws]/trunk/httpd.pl
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Contents of /trunk/httpd.pl

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Revision 44 - (show annotations)
Tue May 11 16:05:31 2004 UTC (20 years ago) by dpavlin
File MIME type: text/plain
File size: 7856 byte(s)
recognise mailman signature (____+)

1 #!/usr/bin/perl
2
3 # based on post
4 # http://www.mail-archive.com/libwww@perl.org/msg04750.html
5
6 BEGIN {
7 my $basedir = readlink($0) || $0; $basedir =~ s#/[^/]+$##;
8 unshift(@INC, $basedir);
9 }
10
11 use strict;
12 use warnings;
13 use MWS::SWISH;
14 #use MWS::Plucene;
15 use HTTP::Daemon;
16 use HTTP::Status;
17 use IO::String;
18 use CGI::Lite;
19 use Template;
20 use URI::Escape;
21
22 use Data::Dumper;
23
24 my $debug = 1;
25
26 my $config_file = shift @ARGV || 'global.conf';
27
28 if (! -f $config_file) {
29 print qq{Usage: $0 [/path/to/local.conf]
30
31 If local.conf is not specified, global.conf in current directory will
32 be used.
33 };
34 exit 1;
35 }
36
37 my $mws = MWS::SWISH->new(config_file => $config_file);
38 #my $mws = MWS::Plucene->new(config_file => $config_file, debug => $debug);
39
40 my ($local_addr,$local_port) = ('127.0.0.1',6969);
41
42 my $listen = $mws->{config}->val('global', 'listen');
43
44 print STDERR "using listen $listen\n" if ($listen);
45
46 if ($listen && $listen =~ m/:/) {
47 ($local_addr,$local_port) = split(/:/,$listen,2);
48 } elsif ($listen) {
49 $local_addr = $listen;
50 }
51
52 my $d = HTTP::Daemon->new(
53 Reuse => 1,
54 LocalAddr => $local_addr,
55 LocalPort => $local_port,
56 ) || die "can't create HTTP::Daemon on $local_addr:$local_port: $!";
57
58 my $cgi = new CGI::Lite;
59 my $tt = Template->new({
60 INCLUDE_PATH => $mws->{config}->val('global', 'templates'),
61 FILTERS => {
62 'body5' => \&body5_filter,
63 'body' => \&body_filter,
64 },
65 EVAL_PERL => 1,
66 });
67
68 my $static_html = $mws->{config}->val('global', 'static_html');
69
70 print "Web server ready at: ", $d->url, "\n";
71
72
73 while ( my $c = $d->accept ) {
74 while ( my $r = $c->get_request ) {
75
76 # environs that a webserver should set.
77 $ENV{'REQUEST_METHOD'} = $r->method;
78 $ENV{'GATEWAY_INTERFACE'} = "CGI/1.0";
79 $ENV{'SERVER_PROTOCOL'} = $r->protocol;
80 $ENV{'CONTENT_TYPE'} = $r->content_type;
81
82 # this part is based on CGI::Lite
83
84 $cgi->close_all_files();
85 $cgi->{web_data} = {};
86 $cgi->{ordered_keys} = [];
87 $cgi->{all_handles} = [];
88 $cgi->{error_status} = 0;
89 $cgi->{error_message} = undef;
90
91 if ( $r->method eq 'GET' || $r->uri =~ /\?/ ) {
92 my $query_string = $r->uri;
93 $query_string =~ s/[^\?]+\?(.*)/$1/;
94 $cgi->_decode_url_encoded_data (\$query_string, 'form');
95
96 } elsif ( $r->method eq 'POST' ) {
97
98 if ($r->content_type eq 'application/x-www-form-urlencoded') {
99 # local $^W = 0;
100 $cgi->_decode_url_encoded_data (\$r->content, 'form');
101 } elsif ($r->content_type =~ /multipart\/form-data/) {
102 my ($boundary) = $r->content_type =~ /boundary=(\S+)$/;
103 $cgi->_parse_multipart_data ($r->content_length, $boundary);
104 }
105 } else {
106 $c->send_error(RC_FORBIDDEN);
107 }
108
109 my $param = $cgi->{web_data};
110 my $url = $r->url->path;
111
112 # XXX LOG
113 print $r->method," ",$url,"\n";
114 print Dumper($param,$mws->{counter}),"\n" if ($debug);
115
116 # is this static page?
117 if ($static_html && -f "$static_html/$url") {
118 print "static file: $static_html/$url\n" if ($debug);
119 $c->send_file_response("$static_html/$url");
120 $c->close;
121 next;
122 }
123
124 # template file name (use ?format=html as default)
125 my $tpl_file = 'master.';
126 $tpl_file .= $param->{'format'} || 'html';
127
128 # parse date from url
129 my ($yyyy,$mm,$dd) = $mws->yyyymmdd;
130
131 my $yyyymm;
132
133 my $date_limit;
134
135 if ($url =~ m,^/(\d{4})[/-](\d+)[/-](\d+),) {
136 ($yyyy, $mm, $dd) = $mws->fmtdate($1,$2,$3);
137 $date_limit = "$yyyy-$mm-$dd";
138 } elsif ($url =~ m,^/(\d{4})[/-](\d+),) {
139 ($yyyy,$mm) = $mws->fmtdate($1,$2);
140 $date_limit = "$yyyy-$mm";
141 } elsif ($url =~ m,^/(\d{4}),) {
142 $date_limit = $mws->fmtdate($1);
143 }
144
145 #
146 # implement functionality and generate HTML
147 #
148 my $html;
149
150 if ($param->{'search_val'} && $param->{'search_fld'} && !$param->{'search'}) {
151 $param->{'search'} = $param->{'search_fld'}.":".$param->{'search_val'};
152 } elsif ($param->{'search'}) {
153 ($param->{'search_fld'}, $param->{'search_val'}) = split(/:/,$param->{'search'},2);
154 }
155
156 my $tpl_var = {
157 param => $param,
158 yyyy => $yyyy,
159 mm => $mm,
160 dd => $dd,
161 date_limit => $date_limit,
162 };
163
164 # is this access to root of web server?
165 if ($url eq "/" && !$param->{'search'}) {
166 # if first access, go to current year
167 $date_limit = $mws->fmtdate($yyyy);
168 $param->{sort_by} = "date desc";
169 }
170
171 # ?show_id=XXXXxxxx___message_id___xxxxXXXX
172 if ($param->{'show_id'}) {
173
174 $mws->reset_counters;
175 my $row = $mws->fetch_result_by_id($param->{'show_id'});
176 $tpl_var->{message} = $row;
177 } elsif ($param->{'search'} || $date_limit) {
178
179 # show search results
180 # ?search=foo:bar
181
182 my @search;
183 push @search, $param->{'search'} if ($param->{'search'});
184
185 if ($date_limit) {
186 push @search, "and" if (@search);
187 push @search, "date:\"$date_limit\"";
188 }
189
190 if ($param->{sort_by}) {
191 push @search, "sort:".$param->{sort_by};
192 }
193
194 print STDERR "search: ",join(" ",@search),"\n";
195
196 my $results = $mws->search(@search);
197 my @res = $mws->fetch_all_results();
198
199 $tpl_var->{results} = \@res if (@res);
200 $tpl_var->{total_hits} = $mws->{total_hits} || 0;
201
202 # no hits, offer suggestions
203 if (! $tpl_var->{results}) {
204 @{$tpl_var->{apropos}} = $mws->apropos_index($param->{'search_fld'}, $param->{'search_val'});
205 }
206
207 }
208
209
210 # push counters to template
211 foreach my $f (qw(from to cc bcc folder)) {
212 my $h = $mws->counter($f) || next;
213 my @a;
214 foreach my $k (sort { $h->{$b}->{usage} <=> $h->{$a}->{usage} } keys %$h) {
215 push @a, $h->{$k};
216 }
217 $tpl_var->{counters}->{$f} = [ @a ] if (@a);
218 }
219
220 # push calendar in template
221 $tpl_var->{calendar} = $mws->counter('calendar');
222
223 $tt->process($tpl_file, $tpl_var, \$html) || die $tt->error();
224
225 #
226 # send HTMLto client
227 #
228
229 my $res = HTTP::Response->new(RC_OK);
230 $res->header( 'Content-type' => 'text/html; charset=ISO-8859-2' );
231 $res->content($html);
232 $c->send_response($res);
233
234 $c->close;
235 }
236 undef($c);
237 }
238
239 # template toolkit filter
240
241 sub html_escape($) {
242 my $text = shift || return;
243
244 # don't re-escape html
245 #return $text if ($text =~ /&(?:lt|gt|amp|quot);/);
246
247 # Escape <, >, & and ", and to produce valid XML
248 my %escape = ('<'=>'&lt;', '>'=>'&gt;', '&'=>'&amp;', '"'=>'&quot;');
249 my $escape_re = join '|' => keys %escape;
250
251 $text =~ s/($escape_re)/$escape{$1}/gs;
252
253 while ($text =~ s/#-#(quote|signature)(\d*)##(.+?)##\1\2#-#/<span class="$1">$3<\/span>/gs) { } ;
254
255 return $text;
256 }
257
258 #use Text::Context::EitherSide;
259
260 sub body5_filter {
261 my $text = shift;
262
263 # remove quote
264 $text =~ s/^[\>:\|=]+[^\n\r]*[\n\r]*$/#-q-#/msg;
265 # remove quote author
266 $text =~ s/[\n\r]+[^\n\r]+:\s*(?:#-q-#[\n\r*])+//gs;
267 $text =~ s/^[^\n\r]+:\s*(?:#-q-#[\n\r]*)+//gs;
268 $text =~ s/#-q-#[\n\r]*//gs;
269 # outlook quoting
270 $text =~ s/(\s*--+\s*Original\s+Message\s*--+.*)$//si;
271 $text =~ s/(\s*--+\s*Forwarded\s+message.+\s*--+.*)$//si;
272
273 # remove signature
274 $text =~ s/(?:^|[\n\r]+)*--\s*[\n\r]+.*$//s;
275 $text =~ s/(?:^|[\n\r]+)*_____+[\n\r]+.*$//s;
276
277 # compress cr/lf
278 $text =~ s/[\n\r]+/\n/gs;
279
280 # remove whitespaces
281 $text =~ s/^\n+//gs;
282 $text =~ s/[\s\n]+$//gs;
283
284 if ($text eq "") {
285 $text="#-#quote##forwarded message##quote#-#";
286 }
287
288 # cut to 5 lines;
289 if ($text =~ s,^((?:.*?[\n\r]){5}).*$,$1,s) {
290 $text =~ s/[\n\r]*$/ .../;
291 }
292
293 # my $context = Text::Context::EitherSide->new($text, context => 5);
294 # return $context->as_string("perl");
295
296 return html_escape($text);
297 }
298
299 sub body_filter {
300 my $text = shift;
301
302 my $sig = '';
303
304 # remove signature
305 if ($text =~ s/([\n\r]+)(--\s*[\n\r]+.*)$//s) {
306 $sig = "$1#-#signature##$2##signature#-#";
307 } elsif ($text =~s/(^|[\n\r]+)*(_____+[\n\r]+.*)$//s) {
308 $sig = "$1#-#signature##$2##signature#-#";
309 }
310
311 # find quoted text
312 $text =~ s/^([\>:\|=]+[^\n\r]*[\n\r]*)$/#-#quote1##$1##quote1#-#/mg;
313 $text =~ s/(--+\s*Original\s+Message\s*--+.*)$/#-#quote2##$1##quote2#-#/si;
314 $text =~ s/(--+\s*Forwarded\s+message.+\s*--+.*)$/#-#quote3##$1##quote3#-#/si;
315
316 $text = html_escape($text . $sig);
317 return $text;
318 }
319

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