9 use open qw{:utf8 :std};
15 if ($ENV{HTTPS} || $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 ($$$$;@) {
42 my $form=prepform(@_);
48 printheader($session);
49 print misctemplate($form->title, $form->render(submit => $buttons), @_);
52 # Like showform, but the base url will be set to allow edit previews
53 # that use links relative to the specified page.
54 sub showform_preview ($$$$;@) {
61 # The base url needs to be a full URL, and urlto may return a path.
62 my $baseurl = urlabs(urlto($params{page}), $cgi->url);
64 showform($form, $buttons, $session, $cgi, @_,
65 forcebaseurl => $baseurl);
71 my $url=URI->new(urlabs(shift, $q->url));
72 if (! $config{w3mmode}) {
73 print $q->redirect($url);
76 print "Content-type: text/plain\n";
77 print "W3m-control: GOTO $url\n\n";
81 sub decode_cgi_utf8 ($) {
82 # decode_form_utf8 method is needed for 5.01
85 foreach my $f ($cgi->param) {
86 $cgi->param($f, map { decode_utf8 $_ } $cgi->param($f));
91 sub decode_form_utf8 ($) {
94 foreach my $f ($form->field) {
95 my @value=map { decode_utf8($_) } $form->field($f);
96 $form->field(name => $f,
104 # Check if the user is signed in. If not, redirect to the signin form and
105 # save their place to return to later.
106 sub needsignin ($$) {
110 if (! defined $session->param("name") ||
111 ! userinfo_get($session->param("name"), "regdate")) {
112 $session->param(postsignin => $ENV{QUERY_STRING});
113 cgi_signin($q, $session);
114 cgi_savesession($session);
119 sub cgi_signin ($$;$) {
122 my $returnhtml=shift;
125 eval q{use CGI::FormBuilder};
127 my $form = CGI::FormBuilder->new(
137 template => {type => 'div'},
140 my $buttons=["Login"];
142 $form->field(name => "do", type => "hidden", value => "signin",
145 decode_form_utf8($form);
146 run_hooks(formbuilder_setup => sub {
147 shift->(form => $form, cgi => $q, session => $session,
148 buttons => $buttons);
150 decode_form_utf8($form);
152 if ($form->submitted) {
157 $form=prepform($form, $buttons, $session, $q);
158 return $form->render(submit => $buttons);
161 showform($form, $buttons, $session, $q);
164 sub cgi_postsignin ($$) {
168 # Continue with whatever was being done before the signin process.
169 if (defined $session->param("postsignin")) {
170 my $postsignin=CGI->new($session->param("postsignin"));
171 $session->clear("postsignin");
172 cgi($postsignin, $session);
173 cgi_savesession($session);
177 if ($config{sslcookie} && ! $q->https()) {
178 error(gettext("probable misconfiguration: sslcookie is set, but you are attempting to login via http, not https"));
181 error(gettext("login failed, perhaps you need to turn on cookies?"));
190 needsignin($q, $session);
193 # The session id is stored on the form and checked to
194 # guard against CSRF.
195 my $sid=$q->param('sid');
196 if (! defined $sid) {
199 elsif ($sid ne $session->id) {
200 error(gettext("Your login session has expired."));
203 eval q{use CGI::FormBuilder};
205 my $form = CGI::FormBuilder->new(
206 title => "preferences",
207 name => "preferences",
218 template => {type => 'div'},
221 [login => gettext("Login")],
222 [preferences => gettext("Preferences")],
223 [admin => gettext("Admin")]
226 my $buttons=["Save Preferences", "Logout", "Cancel"];
228 decode_form_utf8($form);
229 run_hooks(formbuilder_setup => sub {
230 shift->(form => $form, cgi => $q, session => $session,
231 buttons => $buttons);
233 decode_form_utf8($form);
235 $form->field(name => "do", type => "hidden", value => "prefs",
237 $form->field(name => "sid", type => "hidden", value => $session->id,
239 $form->field(name => "email", size => 50, fieldset => "preferences");
241 my $user_name=$session->param("name");
243 if (! $form->submitted) {
244 $form->field(name => "email", force => 1,
245 value => userinfo_get($user_name, "email"));
248 if ($form->submitted eq 'Logout') {
250 redirect($q, baseurl(undef));
253 elsif ($form->submitted eq 'Cancel') {
254 redirect($q, baseurl(undef));
257 elsif ($form->submitted eq 'Save Preferences' && $form->validate) {
258 if (defined $form->field('email')) {
259 userinfo_set($user_name, 'email', $form->field('email')) ||
260 error("failed to set email");
263 $form->text(gettext("Preferences saved."));
266 showform($form, $buttons, $session, $q,
267 prefsurl => "", # avoid showing the preferences link
271 sub cgi_custom_failure ($$$) {
273 my $httpstatus=shift;
277 -status => $httpstatus,
282 # Internet Explod^Hrer won't show custom 404 responses
283 # unless they're >= 512 bytes
289 sub check_banned ($$) {
294 my $name=$session->param("name");
296 grep { $name eq $_ } @{$config{banned_users}}) {
300 foreach my $b (@{$config{banned_users}}) {
301 if (pagespec_match("", $b,
302 ip => $session->remote_addr(),
303 name => defined $name ? $name : "",
312 cgi_savesession($session);
315 gettext("You are banned."));
319 sub cgi_getsession ($) {
322 eval q{use CGI::Session; use HTML::Entities};
324 CGI::Session->name("ikiwiki_session_".encode_entities($config{wikiname}));
326 my $oldmask=umask(077);
328 CGI::Session->new("driver:DB_File", $q,
329 { FileName => "$config{wikistatedir}/sessions.db" })
331 if (! $session || $@) {
332 error($@." ".CGI::Session->errstr());
340 # To guard against CSRF, the user's session id (sid)
341 # can be stored on a form. This function will check
342 # (for logged in users) that the sid on the form matches
343 # the session id in the cookie.
344 sub checksessionexpiry ($$) {
348 if (defined $session->param("name")) {
349 my $sid=$q->param('sid');
350 if (! defined $sid || $sid ne $session->id) {
351 error(gettext("Your login session has expired."));
356 sub cgi_savesession ($) {
359 # Force session flush with safe umask.
360 my $oldmask=umask(077);
371 $CGI::DISABLE_UPLOADS=$config{cgi_disable_uploads};
376 binmode(STDIN, ":utf8");
378 run_hooks(cgi => sub { shift->($q) });
381 my $do=$q->param('do');
382 if (! defined $do || ! length $do) {
383 my $error = $q->cgi_error;
385 error("Request not processed: $error");
388 error("\"do\" parameter missing");
392 # Need to lock the wiki before getting a session.
397 $session=cgi_getsession($q);
400 # Auth hooks can sign a user in.
401 if ($do ne 'signin' && ! defined $session->param("name")) {
402 run_hooks(auth => sub {
403 shift->($q, $session)
405 if (defined $session->param("name")) {
406 # Make sure whatever user was authed is in the
408 if (! userinfo_get($session->param("name"), "regdate")) {
409 userinfo_setall($session->param("name"), {
413 }) || error("failed adding user");
418 check_banned($q, $session);
420 run_hooks(sessioncgi => sub { shift->($q, $session) });
422 if ($do eq 'signin') {
423 cgi_signin($q, $session);
424 cgi_savesession($session);
426 elsif ($do eq 'prefs') {
427 cgi_prefs($q, $session);
429 elsif (defined $session->param("postsignin") || $do eq 'postsignin') {
430 cgi_postsignin($q, $session);
433 error("unknown do parameter");
437 # Does not need to be called directly; all errors will go through here.
441 print "Content-type: text/html\n\n";
442 print misctemplate(gettext("Error"),
443 "<p class=\"error\">".gettext("Error").": $message</p>");