#!/usr/bin/perl
+package IkiWiki;
+
use warnings;
use strict;
use IkiWiki;
use open qw{:utf8 :std};
use Encode;
-package IkiWiki;
-
-sub printheader ($) { #{{{
+sub printheader ($) {
my $session=shift;
if ($config{sslcookie}) {
print $session->header(-charset => 'utf-8',
- -cookie => $session->cookie(-secure => 1));
- } else {
- print $session->header(-charset => 'utf-8');
+ -cookie => $session->cookie(-httponly => 1, -secure => 1));
+ }
+ else {
+ print $session->header(-charset => 'utf-8',
+ -cookie => $session->cookie(-httponly => 1));
}
+}
-} #}}}
+sub prepform {
+ my $form=shift;
+ my $buttons=shift;
+ my $session=shift;
+ my $cgi=shift;
+
+ if (exists $hooks{formbuilder}) {
+ run_hooks(formbuilder => sub {
+ shift->(form => $form, cgi => $cgi, session => $session,
+ buttons => $buttons);
+ });
+ }
+
+ return $form;
+}
+
+sub showform ($$$$;@) {
+ my $form=prepform(@_);
+ shift;
+ my $buttons=shift;
+ my $session=shift;
+ my $cgi=shift;
-sub redirect ($$) { #{{{
+ printheader($session);
+ print misctemplate($form->title, $form->render(submit => $buttons), @_);
+}
+
+sub redirect ($$) {
my $q=shift;
- my $url=shift;
+ eval q{use URI};
+ my $url=URI->new(shift);
if (! $config{w3mmode}) {
print $q->redirect($url);
}
print "Content-type: text/plain\n";
print "W3m-control: GOTO $url\n\n";
}
-} #}}}
+}
-sub page_locked ($$;$) { #{{{
- my $page=shift;
- my $session=shift;
- my $nonfatal=shift;
-
- my $user=$session->param("name");
- return if defined $user && is_admin($user);
-
- foreach my $admin (@{$config{adminuser}}) {
- my $locked_pages=userinfo_get($admin, "locked_pages");
- if (pagespec_match($page, userinfo_get($admin, "locked_pages"))) {
- return 1 if $nonfatal;
- error(htmllink("", "", $page, 1)." is locked by ".
- htmllink("", "", $admin, 1)." and cannot be edited.");
+sub decode_cgi_utf8 ($) {
+ # decode_form_utf8 method is needed for 5.01
+ if ($] < 5.01) {
+ my $cgi = shift;
+ foreach my $f ($cgi->param) {
+ $cgi->param($f, map { decode_utf8 $_ } $cgi->param($f));
}
}
+}
- return 0;
-} #}}}
-
-sub decode_form_utf8 ($) { #{{{
- my $form = shift;
- foreach my $f ($form->field) {
- next if Encode::is_utf8(scalar $form->field($f));
- $form->field(name => $f,
- value => decode_utf8($form->field($f)),
- force => 1,
- );
+sub decode_form_utf8 ($) {
+ if ($] >= 5.01) {
+ my $form = shift;
+ foreach my $f ($form->field) {
+ my @value=map { decode_utf8($_) } $form->field($f);
+ $form->field(name => $f,
+ value => \@value,
+ force => 1,
+ );
+ }
}
-} #}}}
+}
-sub cgi_recentchanges ($) { #{{{
+# Check if the user is signed in. If not, redirect to the signin form and
+# save their place to return to later.
+sub needsignin ($$) {
my $q=shift;
-
- unlockwiki();
-
- # Optimisation: building recentchanges means calculating lots of
- # links. Memoizing htmllink speeds it up a lot (can't be memoized
- # during page builds as the return values may change, but they
- # won't here.)
- eval q{use Memoize};
- error($@) if $@;
- memoize("htmllink");
-
- eval q{use Time::Duration};
- error($@) if $@;
- eval q{use CGI 'escapeHTML'};
- error($@) if $@;
+ my $session=shift;
- my $changelog=[rcs_recentchanges(100)];
- foreach my $change (@$changelog) {
- $change->{when} = concise(ago($change->{when}));
- $change->{user} = htmllink("", "", escapeHTML($change->{user}), 1);
-
- my $is_excess = exists $change->{pages}[10]; # limit pages to first 10
- delete @{$change->{pages}}[10 .. @{$change->{pages}}] if $is_excess;
- $change->{pages} = [
- map {
- $_->{link} = htmllink("", "", $_->{page}, 1);
- $_;
- } @{$change->{pages}}
- ];
- push @{$change->{pages}}, { link => '...' } if $is_excess;
+ if (! defined $session->param("name") ||
+ ! userinfo_get($session->param("name"), "regdate")) {
+ $session->param(postsignin => $ENV{QUERY_STRING});
+ cgi_signin($q, $session);
+ cgi_savesession($session);
+ exit;
}
+}
- my $template=template("recentchanges.tmpl");
- $template->param(
- title => "RecentChanges",
- indexlink => indexlink(),
- wikiname => $config{wikiname},
- changelog => $changelog,
- baseurl => baseurl(),
- );
- run_hooks(pagetemplate => sub {
- shift->(page => "", destpage => "", template => $template);
- });
- print $q->header(-charset => 'utf-8'), $template->output;
-} #}}}
-
-sub cgi_signin ($$) { #{{{
+sub cgi_signin ($$;$) {
my $q=shift;
my $session=shift;
+ my $returnhtml=shift;
+ decode_cgi_utf8($q);
eval q{use CGI::FormBuilder};
error($@) if $@;
my $form = CGI::FormBuilder->new(
title => "signin",
- fields => [qw(do title page subpage from name password)],
- header => 1,
+ name => "signin",
charset => "utf-8",
method => 'POST',
- validate => {
- confirm_password => {
- perl => q{eq $form->field("password")},
- },
- email => 'EMAIL',
- },
required => 'NONE',
javascript => 0,
params => $q,
action => $config{cgiurl},
header => 0,
- template => (-e "$config{templatedir}/signin.tmpl" ?
- {template_params("signin.tmpl")} : ""),
- stylesheet => baseurl()."style.css",
+ template => {type => 'div'},
+ stylesheet => 1,
);
-
- decode_form_utf8($form);
+ my $buttons=["Login"];
- $form->field(name => "name", required => 0);
- $form->field(name => "do", type => "hidden");
- $form->field(name => "page", type => "hidden");
- $form->field(name => "title", type => "hidden");
- $form->field(name => "from", type => "hidden");
- $form->field(name => "subpage", type => "hidden");
- $form->field(name => "password", type => "password", required => 0);
- if ($form->submitted eq "Register" || $form->submitted eq "Create Account") {
- $form->title("register");
- $form->text("");
- $form->fields(qw(do title page subpage from name password confirm_password email));
- $form->field(name => "confirm_password", type => "password");
- $form->field(name => "email", type => "text");
- }
- if ($q->param("do") ne "signin" && !$form->submitted) {
- $form->text("You need to log in first.");
- }
+ $form->field(name => "do", type => "hidden", value => "signin",
+ force => 1);
+ decode_form_utf8($form);
+ run_hooks(formbuilder_setup => sub {
+ shift->(form => $form, cgi => $q, session => $session,
+ buttons => $buttons);
+ });
+ decode_form_utf8($form);
+
if ($form->submitted) {
- # Set required fields based on how form was submitted.
- my %required=(
- "Login" => [qw(name password)],
- "Register" => [],
- "Create Account" => [qw(name password confirm_password email)],
- "Mail Password" => [qw(name)],
- );
- foreach my $opt (@{$required{$form->submitted}}) {
- $form->field(name => $opt, required => 1);
- }
-
- # Validate password differently depending on how
- # form was submitted.
- if ($form->submitted eq 'Login') {
- $form->field(
- name => "password",
- validate => sub {
- length $form->field("name") &&
- shift eq userinfo_get($form->field("name"), 'password');
- },
- );
- $form->field(name => "name", validate => '/^\w+$/');
- }
- else {
- $form->field(name => "password", validate => 'VALUE');
- }
- # And make sure the entered name exists when logging
- # in or sending email, and does not when registering.
- if ($form->submitted eq 'Create Account' ||
- $form->submitted eq 'Register') {
- $form->field(
- name => "name",
- validate => sub {
- my $name=shift;
- length $name &&
- $name=~/$config{wiki_file_regexp}/ &&
- ! userinfo_get($name, "regdate");
- },
- );
- }
- else {
- $form->field(
- name => "name",
- validate => sub {
- my $name=shift;
- length $name &&
- userinfo_get($name, "regdate");
- },
- );
- }
- }
- else {
- # First time settings.
- $form->field(name => "name", comment => "use FirstnameLastName");
- if ($session->param("name")) {
- $form->field(name => "name", value => $session->param("name"));
- }
+ $form->validate;
}
- if ($form->submitted && $form->validate) {
- if ($form->submitted eq 'Login') {
- $session->param("name", $form->field("name"));
- if (defined $form->field("do") &&
- $form->field("do") ne 'signin') {
- redirect($q, cgiurl(
- do => $form->field("do"),
- page => $form->field("page"),
- title => $form->field("title"),
- subpage => $form->field("subpage"),
- from => $form->field("from"),
- ));
- }
- else {
- redirect($q, $config{url});
- }
- }
- elsif ($form->submitted eq 'Create Account') {
- my $user_name=$form->field('name');
- if (userinfo_setall($user_name, {
- 'email' => $form->field('email'),
- 'password' => $form->field('password'),
- 'regdate' => time
- })) {
- $form->field(name => "confirm_password", type => "hidden");
- $form->field(name => "email", type => "hidden");
- $form->text("Account creation successful. Now you can Login.");
- printheader($session);
- print misctemplate($form->title, $form->render(submit => ["Login"]));
- }
- else {
- error("Error creating account.");
- }
- }
- elsif ($form->submitted eq 'Mail Password') {
- my $user_name=$form->field("name");
- my $template=template("passwordmail.tmpl");
- $template->param(
- user_name => $user_name,
- user_password => userinfo_get($user_name, "password"),
- wikiurl => $config{url},
- wikiname => $config{wikiname},
- REMOTE_ADDR => $ENV{REMOTE_ADDR},
- );
-
- eval q{use Mail::Sendmail};
- error($@) if $@;
- sendmail(
- To => userinfo_get($user_name, "email"),
- From => "$config{wikiname} admin <$config{adminemail}>",
- Subject => "$config{wikiname} information",
- Message => $template->output,
- ) or error("Failed to send mail");
-
- $form->text("Your password has been emailed to you.");
- $form->field(name => "name", required => 0);
- printheader($session);
- print misctemplate($form->title, $form->render(submit => ["Login", "Mail Password"]));
- }
- elsif ($form->submitted eq "Register") {
- printheader($session);
- print misctemplate($form->title, $form->render(submit => ["Create Account"]));
- }
+ if ($returnhtml) {
+ $form=prepform($form, $buttons, $session, $q);
+ return $form->render(submit => $buttons);
}
- elsif ($form->submitted eq "Create Account") {
- printheader($session);
- print misctemplate($form->title, $form->render(submit => ["Create Account"]));
+
+ showform($form, $buttons, $session, $q);
+}
+
+sub cgi_postsignin ($$) {
+ my $q=shift;
+ my $session=shift;
+
+ # Continue with whatever was being done before the signin process.
+ if (defined $session->param("postsignin")) {
+ my $postsignin=CGI->new($session->param("postsignin"));
+ $session->clear("postsignin");
+ cgi($postsignin, $session);
+ cgi_savesession($session);
+ exit;
}
else {
- printheader($session);
- print misctemplate($form->title, $form->render(submit => ["Login", "Register", "Mail Password"]));
+ if ($config{sslcookie} && ! $q->https()) {
+ error(gettext("probable misconfiguration: sslcookie is set, but you are attempting to login via http, not https"));
+ }
+ else {
+ error(gettext("login failed, perhaps you need to turn on cookies?"));
+ }
}
-} #}}}
+}
-sub cgi_prefs ($$) { #{{{
+sub cgi_prefs ($$) {
my $q=shift;
my $session=shift;
+ needsignin($q, $session);
+ decode_cgi_utf8($q);
+
+ # The session id is stored on the form and checked to
+ # guard against CSRF.
+ my $sid=$q->param('sid');
+ if (! defined $sid) {
+ $q->delete_all;
+ }
+ elsif ($sid ne $session->id) {
+ error(gettext("Your login session has expired."));
+ }
+
eval q{use CGI::FormBuilder};
error($@) if $@;
my $form = CGI::FormBuilder->new(
title => "preferences",
- fields => [qw(do name password confirm_password email
- subscriptions locked_pages)],
+ name => "preferences",
header => 0,
charset => "utf-8",
method => 'POST',
validate => {
- confirm_password => {
- perl => q{eq $form->field("password")},
- },
email => 'EMAIL',
},
required => 'NONE',
javascript => 0,
params => $q,
action => $config{cgiurl},
- template => (-e "$config{templatedir}/prefs.tmpl" ?
- {template_params("prefs.tmpl")} : ""),
- stylesheet => baseurl()."style.css",
+ template => {type => 'div'},
+ stylesheet => 1,
+ fieldsets => [
+ [login => gettext("Login")],
+ [preferences => gettext("Preferences")],
+ [admin => gettext("Admin")]
+ ],
);
- my @buttons=("Save Preferences", "Logout", "Cancel");
+ my $buttons=["Save Preferences", "Logout", "Cancel"];
- my $user_name=$session->param("name");
- $form->field(name => "do", type => "hidden");
- $form->field(name => "name", disabled => 1,
- value => $user_name, force => 1);
- $form->field(name => "password", type => "password");
- $form->field(name => "confirm_password", type => "password");
- $form->field(name => "subscriptions", size => 50,
- comment => "(".htmllink("", "", "PageSpec", 1).")");
- $form->field(name => "locked_pages", size => 50,
- comment => "(".htmllink("", "", "PageSpec", 1).")");
- $form->field(name => "banned_users", size => 50);
+ decode_form_utf8($form);
+ run_hooks(formbuilder_setup => sub {
+ shift->(form => $form, cgi => $q, session => $session,
+ buttons => $buttons);
+ });
+ decode_form_utf8($form);
- if (! is_admin($user_name)) {
- $form->field(name => "locked_pages", type => "hidden");
- $form->field(name => "banned_users", type => "hidden");
- }
-
- if ($config{httpauth}) {
- $form->field(name => "password", type => "hidden");
- $form->field(name => "confirm_password", type => "hidden");
- }
+ $form->field(name => "do", type => "hidden", value => "prefs",
+ force => 1);
+ $form->field(name => "sid", type => "hidden", value => $session->id,
+ force => 1);
+ $form->field(name => "email", size => 50, fieldset => "preferences");
+ my $user_name=$session->param("name");
+
if (! $form->submitted) {
$form->field(name => "email", force => 1,
value => userinfo_get($user_name, "email"));
- $form->field(name => "subscriptions", force => 1,
- value => userinfo_get($user_name, "subscriptions"));
- $form->field(name => "locked_pages", force => 1,
- value => userinfo_get($user_name, "locked_pages"));
- if (is_admin($user_name)) {
- $form->field(name => "banned_users", force => 1,
- value => join(" ", get_banned_users()));
- }
}
- decode_form_utf8($form);
-
if ($form->submitted eq 'Logout') {
$session->delete();
redirect($q, $config{url});
redirect($q, $config{url});
return;
}
- elsif ($form->submitted eq "Save Preferences" && $form->validate) {
- foreach my $field (qw(password email subscriptions locked_pages)) {
- if (length $form->field($field)) {
- userinfo_set($user_name, $field, $form->field($field)) || error("failed to set $field");
- }
- }
- if (is_admin($user_name)) {
- set_banned_users(grep { ! is_admin($_) }
- split(' ', $form->field("banned_users")));
+ elsif ($form->submitted eq 'Save Preferences' && $form->validate) {
+ if (defined $form->field('email')) {
+ userinfo_set($user_name, 'email', $form->field('email')) ||
+ error("failed to set email");
}
- $form->text("Preferences saved.");
+
+ $form->text(gettext("Preferences saved."));
}
- printheader($session);
- print misctemplate($form->title, $form->render(submit => \@buttons));
-} #}}}
+ showform($form, $buttons, $session, $q,
+ prefsurl => "", # avoid showing the preferences link
+ );
+}
-sub cgi_editpage ($$) { #{{{
+sub cgi_custom_failure ($$$) {
my $q=shift;
- my $session=shift;
+ my $httpstatus=shift;
+ my $message=shift;
- my @fields=qw(do rcsinfo subpage from page type editcontent comments);
- my @buttons=("Save Page", "Preview", "Cancel");
-
- eval q{use CGI::FormBuilder; use CGI::FormBuilder::Template::HTML};
- error($@) if $@;
- my $renderer=CGI::FormBuilder::Template::HTML->new(
- fields => \@fields,
- template_params("editpage.tmpl"),
- );
- run_hooks(pagetemplate => sub {
- shift->(page => "", destpage => "", template => $renderer->engine);
- });
- my $form = CGI::FormBuilder->new(
- fields => \@fields,
- header => 1,
- charset => "utf-8",
- method => 'POST',
- validate => {
- editcontent => '/.+/',
- },
- required => [qw{editcontent}],
- javascript => 0,
- params => $q,
- action => $config{cgiurl},
- table => 0,
- template => $renderer,
+ print $q->header(
+ -status => $httpstatus,
+ -charset => 'utf-8',
);
-
- decode_form_utf8($form);
-
- # This untaint is safe because titlepage removes any problematic
- # characters.
- my ($page)=$form->field('page');
- $page=titlepage(possibly_foolish_untaint($page));
- if (! defined $page || ! length $page ||
- $page=~/$config{wiki_file_prune_regexp}/ || $page=~/^\//) {
- error("bad page name");
- }
-
- my $from;
- if (defined $form->field('from')) {
- ($from)=$form->field('from')=~/$config{wiki_file_regexp}/;
- }
-
- my $file;
- my $type;
- if (exists $pagesources{$page}) {
- $file=$pagesources{$page};
- $type=pagetype($file);
+ print $message;
+
+ # Internet Explod^Hrer won't show custom 404 responses
+ # unless they're >= 512 bytes
+ print ' ' x 512;
+
+ exit;
+}
+
+sub check_banned ($$) {
+ my $q=shift;
+ my $session=shift;
+
+ my $banned=0;
+ my $name=$session->param("name");
+ if (defined $name &&
+ grep { $name eq $_ } @{$config{banned_users}}) {
+ $banned=1;
}
- else {
- $type=$form->param('type');
- if (defined $type && length $type && $hooks{htmlize}{$type}) {
- $type=possibly_foolish_untaint($type);
- }
- elsif (defined $from) {
- # favor the type of linking page
- $type=pagetype($pagesources{$from});
+
+ foreach my $b (@{$config{banned_users}}) {
+ if (pagespec_match("", $b,
+ ip => $ENV{REMOTE_ADDR},
+ name => defined $name ? $name : "",
+ )) {
+ $banned=1;
+ last;
}
- $type=$config{default_pageext} unless defined $type;
- $file=$page.".".$type;
}
- my $newfile=0;
- if (! -e "$config{srcdir}/$file") {
- $newfile=1;
+ if ($banned) {
+ $session->delete();
+ cgi_savesession($session);
+ cgi_custom_failure(
+ $q, "403 Forbidden",
+ gettext("You are banned."));
}
+}
- $form->field(name => "do", type => 'hidden');
- $form->field(name => "from", type => 'hidden');
- $form->field(name => "rcsinfo", type => 'hidden');
- $form->field(name => "subpage", type => 'hidden');
- $form->field(name => "page", value => $page, force => 1);
- $form->field(name => "type", value => $type, force => 1);
- $form->field(name => "comments", type => "text", size => 80);
- $form->field(name => "editcontent", type => "textarea", rows => 20,
- cols => 80);
- $form->tmpl_param("can_commit", $config{rcs});
- $form->tmpl_param("indexlink", indexlink());
- $form->tmpl_param("helponformattinglink",
- htmllink("", "", "HelpOnFormatting", 1));
- $form->tmpl_param("baseurl", baseurl());
- if (! $form->submitted) {
- $form->field(name => "rcsinfo", value => rcs_prepedit($file),
- force => 1);
- }
+sub cgi_getsession ($) {
+ my $q=shift;
+
+ eval q{use CGI::Session; use HTML::Entities};
+ error($@) if $@;
+ CGI::Session->name("ikiwiki_session_".encode_entities($config{wikiname}));
- if ($form->submitted eq "Cancel") {
- if ($newfile && defined $from) {
- redirect($q, "$config{url}/".htmlpage($from));
- }
- elsif ($newfile) {
- redirect($q, $config{url});
- }
- else {
- redirect($q, "$config{url}/".htmlpage($page));
- }
- return;
- }
- elsif ($form->submitted eq "Preview") {
- my $content=$form->field('editcontent');
- my $comments=$form->field('comments');
- $form->field(name => "editcontent",
- value => $content, force => 1);
- $form->field(name => "comments",
- value => $comments, force => 1);
- $config{rss}=$config{atom}=0; # avoid preview writing a feed!
- $form->tmpl_param("page_preview",
- htmlize($page, $type,
- linkify($page, "",
- preprocess($page, $page,
- filter($page, $content)))));
- }
- else {
- $form->tmpl_param("page_preview", "");
+ my $oldmask=umask(077);
+ my $session = eval {
+ CGI::Session->new("driver:DB_File", $q,
+ { FileName => "$config{wikistatedir}/sessions.db" })
+ };
+ if (! $session || $@) {
+ error($@." ".CGI::Session->errstr());
}
- $form->tmpl_param("page_conflict", "");
- if (! $form->submitted || $form->submitted eq "Preview" ||
- ! $form->validate) {
- if ($form->field("do") eq "create") {
- my @page_locs;
- my $best_loc;
- if (! defined $from || ! length $from ||
- $from ne $form->field('from') ||
- $from=~/$config{wiki_file_prune_regexp}/ ||
- $from=~/^\// ||
- $form->submitted eq "Preview") {
- @page_locs=$best_loc=$page;
- }
- else {
- my $dir=$from."/";
- $dir=~s![^/]+/+$!!;
-
- if ((defined $form->field('subpage') && length $form->field('subpage')) ||
- $page eq 'discussion') {
- $best_loc="$from/$page";
- }
- else {
- $best_loc=$dir.$page;
- }
-
- push @page_locs, $dir.$page;
- push @page_locs, "$from/$page";
- while (length $dir) {
- $dir=~s![^/]+/+$!!;
- push @page_locs, $dir.$page;
- }
- }
+ umask($oldmask);
- @page_locs = grep {
- ! exists $pagecase{lc $_} &&
- ! page_locked($_, $session, 1)
- } @page_locs;
-
- if (! @page_locs) {
- # hmm, someone else made the page in the
- # meantime?
- redirect($q, "$config{url}/".htmlpage($page));
- return;
- }
-
- my @page_types;
- if (exists $hooks{htmlize}) {
- @page_types=keys %{$hooks{htmlize}};
- }
-
- $form->tmpl_param("page_select", 1);
- $form->field(name => "page", type => 'select',
- options => \@page_locs, value => $best_loc);
- $form->field(name => "type", type => 'select',
- options => \@page_types);
- $form->title("creating ".pagetitle($page));
- }
- elsif ($form->field("do") eq "edit") {
- page_locked($page, $session);
- if (! defined $form->field('editcontent') ||
- ! length $form->field('editcontent')) {
- my $content="";
- if (exists $pagesources{$page}) {
- $content=readfile(srcfile($pagesources{$page}));
- $content=~s/\n/\r\n/g;
- }
- $form->field(name => "editcontent", value => $content,
- force => 1);
- }
- $form->tmpl_param("page_select", 0);
- $form->field(name => "page", type => 'hidden');
- $form->field(name => "type", type => 'hidden');
- $form->title("editing ".pagetitle($page));
- }
-
- print $form->render(submit => \@buttons);
- }
- else {
- # save page
- page_locked($page, $session);
-
- my $content=$form->field('editcontent');
-
- $content=~s/\r\n/\n/g;
- $content=~s/\r/\n/g;
- writefile($file, $config{srcdir}, $content);
-
- my $message="web commit ";
- if (defined $session->param("name") &&
- length $session->param("name")) {
- $message.="by ".$session->param("name");
- }
- else {
- $message.="from $ENV{REMOTE_ADDR}";
- }
- if (defined $form->field('comments') &&
- length $form->field('comments')) {
- $message.=": ".$form->field('comments');
- }
-
- if ($config{rcs}) {
- if ($newfile) {
- rcs_add($file);
- }
- # prevent deadlock with post-commit hook
- unlockwiki();
- # presumably the commit will trigger an update
- # of the wiki
- my $conflict=rcs_commit($file, $message,
- $form->field("rcsinfo"));
-
- if (defined $conflict) {
- $form->field(name => "rcsinfo", value => rcs_prepedit($file),
- force => 1);
- $form->tmpl_param("page_conflict", 1);
- $form->field("editcontent", value => $conflict, force => 1);
- $form->field(name => "comments", value => $form->field('comments'), force => 1);
- $form->field("do", "edit)");
- $form->tmpl_param("page_select", 0);
- $form->field(name => "page", type => 'hidden');
- $form->field(name => "type", type => 'hidden');
- $form->title("editing $page");
- print $form->render(submit => \@buttons);
- return;
- }
- }
- else {
- require IkiWiki::Render;
- refresh();
- saveindex();
+ return $session;
+}
+
+# To guard against CSRF, the user's session id (sid)
+# can be stored on a form. This function will check
+# (for logged in users) that the sid on the form matches
+# the session id in the cookie.
+sub checksessionexpiry ($$) {
+ my $q=shift;
+ my $session = shift;
+
+ if (defined $session->param("name")) {
+ my $sid=$q->param('sid');
+ if (! defined $sid || $sid ne $session->id) {
+ error(gettext("Your login session has expired."));
}
-
- # The trailing question mark tries to avoid broken
- # caches and get the most recent version of the page.
- redirect($q, "$config{url}/".htmlpage($page)."?updated");
}
-} #}}}
+}
-sub cgi () { #{{{
- eval q{use CGI; use CGI::Session};
+sub cgi_savesession ($) {
+ my $session=shift;
+
+ # Force session flush with safe umask.
+ my $oldmask=umask(077);
+ $session->flush;
+ umask($oldmask);
+}
+
+sub cgi (;$$) {
+ my $q=shift;
+ my $session=shift;
+
+ eval q{use CGI};
error($@) if $@;
+ $CGI::DISABLE_UPLOADS=$config{cgi_disable_uploads};
+
+ if (! $q) {
+ binmode(STDIN);
+ $q=CGI->new;
+ binmode(STDIN, ":utf8");
- my $q=CGI->new;
-
- run_hooks(cgi => sub { shift->($q) });
-
+ run_hooks(cgi => sub { shift->($q) });
+ }
+
my $do=$q->param('do');
if (! defined $do || ! length $do) {
my $error = $q->cgi_error;
error("\"do\" parameter missing");
}
}
+
+ # Need to lock the wiki before getting a session.
+ lockwiki();
+ loadindex();
- # Things that do not need a session.
- if ($do eq 'recentchanges') {
- cgi_recentchanges($q);
- return;
- }
- elsif ($do eq 'hyperestraier') {
- cgi_hyperestraier();
+ if (! $session) {
+ $session=cgi_getsession($q);
}
- CGI::Session->name("ikiwiki_session_".encode_utf8($config{wikiname}));
-
- my $oldmask=umask(077);
- my $session = CGI::Session->new("driver:DB_File", $q,
- { FileName => "$config{wikistatedir}/sessions.db" });
- umask($oldmask);
-
- # Everything below this point needs the user to be signed in.
- if (((! $config{anonok} || $do eq 'prefs') &&
- (! $config{httpauth}) &&
- (! defined $session->param("name") ||
- ! userinfo_get($session->param("name"), "regdate"))) || $do eq 'signin') {
- cgi_signin($q, $session);
-
- # Force session flush with safe umask.
- my $oldmask=umask(077);
- $session->flush;
- umask($oldmask);
-
- return;
- }
-
- if ($config{httpauth} && (! defined $session->param("name"))) {
- if (! defined $q->remote_user()) {
- error("Could not determine authenticated username.");
- }
- else {
- $session->param("name", $q->remote_user());
+ # Auth hooks can sign a user in.
+ if ($do ne 'signin' && ! defined $session->param("name")) {
+ run_hooks(auth => sub {
+ shift->($q, $session)
+ });
+ if (defined $session->param("name")) {
+ # Make sure whatever user was authed is in the
+ # userinfo db.
if (! userinfo_get($session->param("name"), "regdate")) {
userinfo_setall($session->param("name"), {
email => "",
password => "",
- regdate=>time,
- });
+ regdate => time,
+ }) || error("failed adding user");
}
}
}
-
- if (userinfo_get($session->param("name"), "banned")) {
- print $q->header(-status => "403 Forbidden");
- $session->delete();
- print "You are banned.";
- exit;
- }
- if ($do eq 'create' || $do eq 'edit') {
- cgi_editpage($q, $session);
+ check_banned($q, $session);
+
+ run_hooks(sessioncgi => sub { shift->($q, $session) });
+
+ if ($do eq 'signin') {
+ cgi_signin($q, $session);
+ cgi_savesession($session);
}
elsif ($do eq 'prefs') {
cgi_prefs($q, $session);
}
- elsif ($do eq 'blog') {
- my $page=titlepage(decode_utf8($q->param('title')));
- # if the page already exists, munge it to be unique
- my $from=$q->param('from');
- my $add="";
- while (exists $pagecase{lc "$from/$page$add"}) {
- $add=1 unless length $add;
- $add++;
- }
- $q->param('page', $page.$add);
- # now run same as create
- $q->param('do', 'create');
- cgi_editpage($q, $session);
+ elsif (defined $session->param("postsignin") || $do eq 'postsignin') {
+ cgi_postsignin($q, $session);
}
else {
error("unknown do parameter");
}
-} #}}}
+}
+
+# Does not need to be called directly; all errors will go through here.
+sub cgierror ($) {
+ my $message=shift;
+
+ print "Content-type: text/html\n\n";
+ print misctemplate(gettext("Error"),
+ "<p class=\"error\">".gettext("Error").": $message</p>");
+ die $@;
+}
1