9 use open qw{:utf8 :std};
15 if (($ENV{HTTPS} && lc $ENV{HTTPS} ne "off") || $config{sslcookie}) {
16 print $session->header(-charset => 'utf-8',
17 -cookie => $session->cookie(-httponly => 1, -secure => 1));
20 print $session->header(-charset => 'utf-8',
21 -cookie => $session->cookie(-httponly => 1));
31 if (exists $hooks{formbuilder}) {
32 run_hooks(formbuilder => sub {
33 shift->(form => $form, cgi => $cgi, session => $session,
41 sub showform ($$$$;@) {
42 my $form=prepform(@_);
48 printheader($session);
49 print cgitemplate($cgi, $form->title,
50 $form->render(submit => $buttons), @_);
53 sub cgitemplate ($$$;@) {
59 my $template=template("page.tmpl");
61 my $topurl = $config{url};
62 if (defined $cgi && ! $config{w3mmode} && ! $config{reverse_proxy}) {
67 if (exists $params{page}) {
68 $page=delete $params{page};
69 $params{forcebaseurl}=urlto($page);
71 run_hooks(pagetemplate => sub {
75 template => $template,
78 templateactions($template, "");
80 my $baseurl = baseurl();
85 wikiname => $config{wikiname},
88 html5 => $config{html5},
92 return $template->output;
100 if (defined $q && ! $config{w3mmode} && ! $config{reverse_proxy}) {
104 my $url=URI->new(urlabs(shift, $topurl));
105 if (! $config{w3mmode}) {
106 print $q->redirect($url);
109 print "Content-type: text/plain\n";
110 print "W3m-control: GOTO $url\n\n";
114 sub decode_cgi_utf8 ($) {
115 # decode_form_utf8 method is needed for 5.01
118 foreach my $f ($cgi->param) {
119 $cgi->param($f, map { decode_utf8 $_ }
120 @{$cgi->param_fetch($f)});
125 sub safe_decode_utf8 ($) {
127 # call decode_utf8 on Encode.pm >= 2.53 only if it's not already decoded,
128 # otherwise it balks, on < 2.53, always call it
129 if ($Encode::VERSION < 2.53 || !Encode::is_utf8($octets)) {
130 return decode_utf8($octets);
137 sub decode_form_utf8 ($) {
140 foreach my $f ($form->field) {
141 my @value=map { safe_decode_utf8($_) } $form->field($f);
142 $form->field(name => $f,
150 # Check if the user is signed in. If not, redirect to the signin form and
151 # save their place to return to later.
152 sub needsignin ($$) {
156 if (! defined $session->param("name") ||
157 ! userinfo_get($session->param("name"), "regdate")) {
158 $session->param(postsignin => $q->query_string);
159 cgi_signin($q, $session);
160 cgi_savesession($session);
165 sub cgi_signin ($$;$) {
168 my $returnhtml=shift;
171 eval q{use CGI::FormBuilder};
173 my $form = CGI::FormBuilder->new(
183 template => {type => 'div'},
186 # MITLOGIN: These should be restored when logins are allowed again.
187 #my $buttons=["Login"];
190 $form->field(name => "do", type => "hidden", value => "signin",
193 decode_form_utf8($form);
194 run_hooks(formbuilder_setup => sub {
195 shift->(form => $form, cgi => $q, session => $session,
196 buttons => $buttons);
198 decode_form_utf8($form);
200 if ($form->submitted) {
205 $form=prepform($form, $buttons, $session, $q);
206 return $form->render(submit => $buttons);
209 showform($form, $buttons, $session, $q);
212 sub cgi_postsignin ($$) {
216 # Continue with whatever was being done before the signin process.
217 if (defined $session->param("postsignin")) {
218 my $postsignin=CGI->new($session->param("postsignin"));
219 $session->clear("postsignin");
220 cgi($postsignin, $session);
221 cgi_savesession($session);
225 if ($config{sslcookie} && ! $q->https()) {
226 error(gettext("probable misconfiguration: sslcookie is set, but you are attempting to login via http, not https"));
229 error(gettext("login failed, perhaps you need to turn on cookies?"));
238 needsignin($q, $session);
241 # The session id is stored on the form and checked to
242 # guard against CSRF.
243 my $sid=$q->param('sid');
244 if (! defined $sid) {
247 elsif ($sid ne $session->id) {
248 error(gettext("Your login session has expired."));
251 eval q{use CGI::FormBuilder};
253 my $form = CGI::FormBuilder->new(
254 title => "preferences",
255 name => "preferences",
266 template => {type => 'div'},
269 [login => gettext("Login")],
270 [preferences => gettext("Preferences")],
271 [admin => gettext("Admin")]
274 my $buttons=["Save Preferences", "Logout", "Cancel"];
276 decode_form_utf8($form);
277 run_hooks(formbuilder_setup => sub {
278 shift->(form => $form, cgi => $q, session => $session,
279 buttons => $buttons);
281 decode_form_utf8($form);
283 $form->field(name => "do", type => "hidden", value => "prefs",
285 $form->field(name => "sid", type => "hidden", value => $session->id,
287 #$form->field(name => "email", size => 50, fieldset => "preferences");
288 $form->field(name => "realname", size => 50, fieldset => "preferences");
290 my $user_name=$session->param("name");
292 if (! $form->submitted) {
293 #$form->field(name => "email", force => 1,
294 #value => userinfo_get($user_name, "email"));
295 $form->field(name => "realname", force => 1,
296 value => userinfo_get($user_name, "realname"));
299 if ($form->submitted eq 'Logout') {
301 redirect($q, baseurl(undef));
304 elsif ($form->submitted eq 'Cancel') {
305 redirect($q, baseurl(undef));
308 elsif ($form->submitted eq 'Save Preferences' && $form->validate) {
309 if (defined $form->field('email')) {
310 userinfo_set($user_name, 'email', $form->field('email')) ||
311 error("failed to set email");
313 if (defined $form->field('realname')) {
314 userinfo_set($user_name, 'realname', $form->field('realname')) ||
315 error("failed to set realname");
317 $form->text(gettext("Preferences saved."));
320 showform($form, $buttons, $session, $q,
321 prefsurl => "", # avoid showing the preferences link
325 sub cgi_custom_failure ($$$) {
327 my $httpstatus=shift;
331 -status => $httpstatus,
336 # Internet Explod^Hrer won't show custom 404 responses
337 # unless they're >= 512 bytes
343 sub check_banned ($$) {
348 my $name=$session->param("name");
350 grep { $name eq $_ } @{$config{banned_users}}) {
354 foreach my $b (@{$config{banned_users}}) {
355 if (pagespec_match("", $b,
356 ip => $session->remote_addr(),
357 name => defined $name ? $name : "",
366 cgi_savesession($session);
369 gettext("You are banned."));
373 sub cgi_getsession ($) {
376 eval q{use CGI::Session; use HTML::Entities};
378 CGI::Session->name("ikiwiki_session_".encode_entities($config{wikiname}));
380 my $oldmask=umask(077);
382 CGI::Session->new("driver:DB_File", $q,
383 { FileName => "$config{wikistatedir}/sessions.db" })
385 if (! $session || $@) {
387 error($error." ".CGI::Session->errstr());
395 # To guard against CSRF, the user's session id (sid)
396 # can be stored on a form. This function will check
397 # (for logged in users) that the sid on the form matches
398 # the session id in the cookie.
399 sub checksessionexpiry ($$) {
403 if (defined $session->param("name")) {
404 my $sid=$q->param('sid');
405 if (! defined $sid || $sid ne $session->id) {
406 error(gettext("Your login session has expired."));
411 sub cgi_savesession ($) {
414 # Force session flush with safe umask.
415 my $oldmask=umask(077);
426 $CGI::DISABLE_UPLOADS=$config{cgi_disable_uploads};
431 binmode(STDIN, ":utf8");
433 run_hooks(cgi => sub { shift->($q) });
436 my $do=$q->param('do');
437 if (! defined $do || ! length $do) {
438 my $error = $q->cgi_error;
440 error("Request not processed: $error");
443 error("\"do\" parameter missing");
447 # Need to lock the wiki before getting a session.
452 $session=cgi_getsession($q);
455 # Auth hooks can sign a user in.
456 if ($do ne 'signin' && ! defined $session->param("name")) {
457 run_hooks(auth => sub {
458 shift->($q, $session)
460 if (defined $session->param("name")) {
461 # Make sure whatever user was authed is in the
463 if (! userinfo_get($session->param("name"), "regdate")) {
464 userinfo_setall($session->param("name"), {
465 email => defined $session->param("email") ? $session->param("email") : "",
468 }) || error("failed adding user");
473 check_banned($q, $session);
475 run_hooks(sessioncgi => sub { shift->($q, $session) });
477 if ($do eq 'signin') {
478 cgi_signin($q, $session);
479 cgi_savesession($session);
481 elsif ($do eq 'prefs') {
482 cgi_prefs($q, $session);
484 elsif (defined $session->param("postsignin") || $do eq 'postsignin') {
485 cgi_postsignin($q, $session);
488 error("unknown do parameter");
492 # Does not need to be called directly; all errors will go through here.
496 print "Content-type: text/html\n\n";
497 print cgitemplate(undef, gettext("Error"),
498 "<p class=\"error\">".gettext("Error").": $message</p>");