/[mws]/trunk/httpd.pl
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Contents of /trunk/httpd.pl

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Revision 39 - (show annotations)
Mon May 10 14:07:44 2004 UTC (20 years ago) by dpavlin
File MIME type: text/plain
File size: 7351 byte(s)
added listen directive to configuration to specify IP address and port to
listen to

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

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