- #!/usr/bin/perl
- use warnings;
- use strict;
- use IkiWiki;
- use IkiWiki::UserInfo;
- use open qw{:utf8 :std};
- use Encode;
- package IkiWiki;
- 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');
- }
- } #}}}
- sub redirect ($$) { #{{{
- my $q=shift;
- my $url=shift;
- if (! $config{w3mmode}) {
- print $q->redirect($url);
- }
- else {
- print "Content-type: text/plain\n";
- print "W3m-control: GOTO $url\n\n";
- }
- } #}}}
- sub check_canedit ($$$;$) { #{{{
- my $page=shift;
- my $q=shift;
- my $session=shift;
- my $nonfatal=shift;
-
- my $canedit;
- run_hooks(canedit => sub {
- return if defined $canedit;
- my $ret=shift->($page, $q, $session);
- if (defined $ret && $ret eq "") {
- $canedit=1;
- }
- elsif (defined $ret) {
- $canedit=0;
- error($ret) unless $nonfatal;
- }
- });
- return $canedit;
- } #}}}
- sub decode_form_utf8 ($) { #{{{
- 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($f)),
- force => 1,
- );
- }
- } #}}}
- sub cgi_recentchanges ($) { #{{{
- my $q=shift;
-
- # Optimisation: building recentchanges means calculating lots of
- # links. Memoizing htmllink speeds it up a lot (can't be memoized
- # during page builds as the return values may change, but they
- # won't here.)
- eval q{use Memoize};
- error($@) if $@;
- memoize("htmllink");
- eval q{use Time::Duration};
- error($@) if $@;
- my $changelog=[rcs_recentchanges(100)];
- foreach my $change (@$changelog) {
- $change->{when} = concise(ago($change->{when}));
- $change->{user} = userlink($change->{user});
- 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("", "", $_->{page},
- noimageinline => 1,
- linktext => pagetitle($_->{page}));
- $_;
- } @{$change->{pages}}
- ];
- push @{$change->{pages}}, { link => '...' } if $is_excess;
- }
- 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;
- } #}}}
- # Check if the user is signed in. If not, redirect to the signin form and
- # save their place to return to later.
- sub needsignin ($$) { #{{{
- my $q=shift;
- my $session=shift;
- if (! defined $session->param("name") ||
- ! userinfo_get($session->param("name"), "regdate")) {
- if (! defined $session->param("postsignin")) {
- $session->param(postsignin => $ENV{QUERY_STRING});
- }
- cgi_signin($q, $session);
- cgi_savesession($session);
- exit;
- }
- } #}}}
- sub cgi_signin ($$) { #{{{
- my $q=shift;
- my $session=shift;
- eval q{use CGI::FormBuilder};
- error($@) if $@;
- my $form = CGI::FormBuilder->new(
- title => "signin",
- header => 1,
- charset => "utf-8",
- method => 'POST',
- required => 'NONE',
- javascript => 0,
- params => $q,
- action => $config{cgiurl},
- header => 0,
- template => scalar template_params("signin.tmpl"),
- stylesheet => baseurl()."style.css",
- );
- my $buttons=["Login"];
-
- if ($q->param("do") ne "signin" && !$form->submitted) {
- $form->text(gettext("You need to log in first."));
- }
- $form->field(name => "do", type => "hidden", value => "signin",
- force => 1);
-
- run_hooks(formbuilder_setup => sub {
- shift->(form => $form, cgi => $q, session => $session);
- });
-
- decode_form_utf8($form);
- if (exists $hooks{formbuilder}) {
- run_hooks(formbuilder => sub {
- shift->(form => $form, cgi => $q, session => $session,
- buttons => $buttons);
- });
- }
- else {
- if ($form->submitted) {
- $form->validate;
- }
- printheader($session);
- print misctemplate($form->title, $form->render(submit => $buttons));
- }
- } #}}}
- sub cgi_postsignin ($$) { #{{{
- my $q=shift;
- my $session=shift;
- # Continue with whatever was being done before the signin process.
- my $postsignin=CGI->new($session->param("postsignin"));
- $session->clear("postsignin");
- cgi($postsignin, $session);
- cgi_savesession($session);
- exit;
- } #}}}
- sub cgi_prefs ($$) { #{{{
- my $q=shift;
- my $session=shift;
- needsignin($q, $session);
- eval q{use CGI::FormBuilder};
- error($@) if $@;
- my $form = CGI::FormBuilder->new(
- title => "preferences",
- header => 0,
- charset => "utf-8",
- method => 'POST',
- validate => {
- email => 'EMAIL',
- },
- required => 'NONE',
- javascript => 0,
- params => $q,
- action => $config{cgiurl},
- template => scalar template_params("prefs.tmpl"),
- stylesheet => baseurl()."style.css",
- );
- my $buttons=["Save Preferences", "Logout", "Cancel"];
- run_hooks(formbuilder_setup => sub {
- shift->(form => $form, cgi => $q, session => $session);
- });
-
- $form->field(name => "do", type => "hidden");
- $form->field(name => "email", size => 50);
- $form->field(name => "subscriptions", size => 50,
- comment => "(".htmllink("", "", "PageSpec", noimageinline => 1).")");
- $form->field(name => "banned_users", size => 50);
-
- my $user_name=$session->param("name");
- if (! is_admin($user_name)) {
- $form->field(name => "banned_users", type => "hidden");
- }
- 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"));
- 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, $config{url});
- return;
- }
- elsif ($form->submitted eq 'Cancel') {
- redirect($q, $config{url});
- return;
- }
- elsif ($form->submitted eq 'Save Preferences' && $form->validate) {
- foreach my $field (qw(email subscriptions)) {
- if (defined $form->field($field) && 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"))) ||
- error("failed saving changes");
- }
- $form->text(gettext("Preferences saved."));
- }
-
- if (exists $hooks{formbuilder}) {
- run_hooks(formbuilder => sub {
- shift->(form => $form, cgi => $q, session => $session,
- buttons => $buttons);
- });
- }
- else {
- printheader($session);
- print misctemplate($form->title, $form->render(submit => $buttons));
- }
- } #}}}
- sub cgi_editpage ($$) { #{{{
- my $q=shift;
- my $session=shift;
- my @fields=qw(do rcsinfo subpage from page type editcontent comments);
- my @buttons=("Save Page", "Preview", "Cancel");
-
- eval q{use CGI::FormBuilder};
- error($@) if $@;
- 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 => scalar template_params("editpage.tmpl"),
- );
-
- run_hooks(formbuilder_setup => sub {
- shift->(form => $form, cgi => $q, session => $session);
- });
-
- 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 || file_pruned($page, $config{srcdir}) || $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);
- if (! defined $type) {
- error(sprintf(gettext("%s is not an editable page"), $page));
- }
- }
- 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});
- }
- $type=$config{default_pageext} unless defined $type;
- $file=$page.".".$type;
- }
- my $newfile=0;
- if (! -e "$config{srcdir}/$file") {
- $newfile=1;
- }
- $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", noimageinline => 1));
- $form->tmpl_param("baseurl", baseurl());
- if (! $form->submitted) {
- $form->field(name => "rcsinfo", value => rcs_prepedit($file),
- force => 1);
- }
-
- 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", "");
- }
- $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') ||
- file_pruned($from, $config{srcdir}) ||
- $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 gettext('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;
- }
- }
- push @page_locs, "$config{userdir}/$page"
- if length $config{userdir};
- @page_locs = grep {
- ! exists $pagecase{lc $_}
- } @page_locs;
- if (! @page_locs) {
- # hmm, someone else made the page in the
- # meantime?
- redirect($q, "$config{url}/".htmlpage($page));
- return;
- }
- my @editable_locs = grep {
- check_canedit($_, $q, $session, 1)
- } @page_locs;
- if (! @editable_locs) {
- # let it throw an error this time
- map { check_canedit($_, $q, $session) } @page_locs;
- }
-
- 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 => \@editable_locs, value => $best_loc);
- $form->field(name => "type", type => 'select',
- options => \@page_types);
- $form->title(sprintf(gettext("creating %s"), pagetitle($page)));
- }
- elsif ($form->field("do") eq "edit") {
- check_canedit($page, $q, $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(sprintf(gettext("editing %s"), pagetitle($page)));
- }
-
- print $form->render(submit => \@buttons);
- }
- else {
- # save page
- check_canedit($page, $q, $session);
-
- my $content=$form->field('editcontent');
- $content=~s/\r\n/\n/g;
- $content=~s/\r/\n/g;
- $config{cgi}=0; # avoid cgi error message
- eval { writefile($file, $config{srcdir}, $content) };
- $config{cgi}=1;
- if ($@) {
- $form->field(name => "rcsinfo", value => rcs_prepedit($file),
- force => 1);
- $form->tmpl_param("failed_save", 1);
- $form->tmpl_param("error_message", $@);
- $form->field("editcontent", value => $content, 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(sprintf(gettext("editing %s"), $page));
- print $form->render(submit => \@buttons);
- return;
- }
-
- if ($config{rcs}) {
- my $message="";
- if (defined $form->field('comments') &&
- length $form->field('comments')) {
- $message=$form->field('comments');
- }
-
- 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"),
- $session->param("name"), $ENV{REMOTE_ADDR});
-
- 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(sprintf(gettext("editing %s"), $page));
- print $form->render(submit => \@buttons);
- return;
- }
- else {
- # Make sure that the repo is up-to-date;
- # locking prevents the post-commit hook
- # from updating it.
- rcs_update();
- }
- }
- else {
- require IkiWiki::Render;
- refresh();
- saveindex();
- }
-
- # 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_getsession ($) { #{{{
- my $q=shift;
- eval q{use CGI::Session};
- 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);
- return $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;
- if (! $q) {
- eval q{use CGI};
- error($@) if $@;
-
- $q=CGI->new;
-
- run_hooks(cgi => sub { shift->($q) });
- }
- my $do=$q->param('do');
- if (! defined $do || ! length $do) {
- my $error = $q->cgi_error;
- if ($error) {
- error("Request not processed: $error");
- }
- else {
- error("\"do\" parameter missing");
- }
- }
-
- # Things that do not need a session.
- if ($do eq 'recentchanges') {
- cgi_recentchanges($q);
- return;
- }
- elsif ($do eq 'hyperestraier') {
- cgi_hyperestraier();
- }
- # Need to lock the wiki before getting a session.
- lockwiki();
-
- if (! $session) {
- $session=cgi_getsession($q);
- }
-
- # 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,
- }) || error("failed adding user");
- }
- }
- }
-
- if (defined $session->param("name") &&
- userinfo_get($session->param("name"), "banned")) {
- print $q->header(-status => "403 Forbidden");
- $session->delete();
- print gettext("You are banned.");
- cgi_savesession($session);
- }
- elsif ($do eq 'signin') {
- cgi_signin($q, $session);
- cgi_savesession($session);
- }
- elsif (defined $session->param("postsignin")) {
- cgi_postsignin($q, $session);
- }
- elsif ($do eq 'prefs') {
- cgi_prefs($q, $session);
- }
- elsif ($do eq 'create' || $do eq 'edit') {
- cgi_editpage($q, $session);
- }
- elsif ($do eq 'blog') {
- my $page=titlepage(decode_utf8($q->param('title')));
- $page=~s/(\/)/"__".ord($1)."__"/eg; # escape slashes too
- # 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, $session);
- }
- elsif ($do eq 'postsignin') {
- error(gettext("login failed, perhaps you need to turn on cookies?"));
- }
- else {
- error("unknown do parameter");
- }
- } #}}}
- sub userlink ($) { #{{{
- my $user=shift;
- eval q{use CGI 'escapeHTML'};
- error($@) if $@;
- if ($user =~ m!^https?://! &&
- eval q{use Net::OpenID::VerifiedIdentity; 1} && !$@) {
- # Munge user-urls, as used by eg, OpenID.
- my $oid=Net::OpenID::VerifiedIdentity->new(identity => $user);
- my $display=$oid->display;
- # Convert "user.somehost.com" to "user [somehost.com]".
- if ($display !~ /\[/) {
- $display=~s/^(.*?)\.([^.]+\.[a-z]+)$/$1 [$2]/;
- }
- # Convert "http://somehost.com/user" to "user [somehost.com]".
- if ($display !~ /\[/) {
- $display=~s/^https?:\/\/(.+)\/([^\/]+)$/$2 [$1]/;
- }
- $display=~s!^https?://!!; # make sure this is removed
- return "<a href=\"$user\">".escapeHTML($display)."</a>";
- }
- else {
- return htmllink("", "", escapeHTML(
- length $config{userdir} ? $config{userdir}."/".$user : $user
- ), noimageinline => 1);
- }
- } #}}}
- 1
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