]> git.vanrenterghem.biz Git - git.ikiwiki.info.git/blobdiff - IkiWiki/CGI.pm
web commit by http://sabr.myopenid.com/: thanks belong at the end of the conversation...
[git.ikiwiki.info.git] / IkiWiki / CGI.pm
index 5062a448f08bc72161ab4757a55ca037566d7a29..65136a26947a2cae9ee5eeecc52ed092e33b197b 100644 (file)
@@ -21,7 +21,7 @@ sub printheader ($) { #{{{
 
 } #}}}
 
-sub showform ($$$$) { #{{{
+sub showform ($$$$;@) { #{{{
        my $form=shift;
        my $buttons=shift;
        my $session=shift;
@@ -35,7 +35,7 @@ sub showform ($$$$) { #{{{
        }
 
        printheader($session);
-       print misctemplate($form->title, $form->render(submit => $buttons));
+       print misctemplate($form->title, $form->render(submit => $buttons), @_);
 }
 
 sub redirect ($$) { #{{{
@@ -84,53 +84,6 @@ sub decode_cgi_utf8 ($) { #{{{
        }
 } #}}}
 
-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(time - $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 ($$) { #{{{
@@ -208,8 +161,18 @@ sub cgi_prefs ($$) { #{{{
        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(
@@ -240,11 +203,11 @@ sub cgi_prefs ($$) { #{{{
                        buttons => $buttons);
        });
        
-       $form->field(name => "do", 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");
-       $form->field(name => "subscriptions", size => 50,
-               fieldset => "preferences",
-               comment => "(".htmllink("", "", "ikiwiki/PageSpec", noimageinline => 1).")");
        $form->field(name => "banned_users", size => 50,
                fieldset => "admin");
        
@@ -256,8 +219,6 @@ sub cgi_prefs ($$) { #{{{
        if (! $form->submitted) {
                $form->field(name => "email", force => 1,
                        value => userinfo_get($user_name, "email"));
-               $form->field(name => "subscriptions", force => 1,
-                       value => userinfo_get($user_name, "subscriptions"));
                if (is_admin($user_name)) {
                        $form->field(name => "banned_users", force => 1,
                                value => join(" ", get_banned_users()));
@@ -274,11 +235,9 @@ sub cgi_prefs ($$) { #{{{
                return;
        }
        elsif ($form->submitted eq 'Save Preferences' && $form->validate) {
-               foreach my $field (qw(email subscriptions)) {
-                       if (defined $form->field($field)) {
-                               userinfo_set($user_name, $field, $form->field($field)) ||
-                                       error("failed to set $field");
-                       }
+               if (defined $form->field('email')) {
+                       userinfo_set($user_name, 'email', $form->field('email')) ||
+                               error("failed to set email");
                }
                if (is_admin($user_name)) {
                        set_banned_users(grep { ! is_admin($_) }
@@ -295,11 +254,11 @@ sub cgi_prefs ($$) { #{{{
 sub cgi_editpage ($$) { #{{{
        my $q=shift;
        my $session=shift;
-
-       my @fields=qw(do rcsinfo subpage from page type editcontent comments);
-       my @buttons=("Save Page", "Preview", "Cancel");
        
        decode_cgi_utf8($q);
+       
+       my @fields=qw(do rcsinfo subpage from page type editcontent comments);
+       my @buttons=("Save Page", "Preview", "Cancel");
        eval q{use CGI::FormBuilder};
        error($@) if $@;
        my $form = CGI::FormBuilder->new(
@@ -330,6 +289,8 @@ sub cgi_editpage ($$) { #{{{
            file_pruned($page, $config{srcdir}) || $page=~/^\//) {
                error("bad page name");
        }
+
+       my $baseurl=$config{url}."/".htmlpage($page);
        
        my $from;
        if (defined $form->field('from')) {
@@ -368,6 +329,8 @@ sub cgi_editpage ($$) { #{{{
        }
 
        $form->field(name => "do", type => 'hidden');
+       $form->field(name => "sid", type => "hidden", value => $session->id,
+               force => 1);
        $form->field(name => "from", type => 'hidden');
        $form->field(name => "rcsinfo", type => 'hidden');
        $form->field(name => "subpage", type => 'hidden');
@@ -379,10 +342,9 @@ sub cgi_editpage ($$) { #{{{
        $form->tmpl_param("can_commit", $config{rcs});
        $form->tmpl_param("indexlink", indexlink());
        $form->tmpl_param("helponformattinglink",
-               htmllink("", "", "ikiwiki/formatting",
+               htmllink($page, $page, "ikiwiki/formatting",
                        noimageinline => 1,
                        linktext => "FormattingHelp"));
-       $form->tmpl_param("baseurl", baseurl());
        
        if ($form->submitted eq "Cancel") {
                if ($form->field("do") eq "create" && defined $from) {
@@ -397,6 +359,12 @@ sub cgi_editpage ($$) { #{{{
                return;
        }
        elsif ($form->submitted eq "Preview") {
+               my $new=not exists $pagesources{$page};
+               if ($new) {
+                       # temporarily record its type
+                       $pagesources{$page}=$page.".".$type;
+               }
+
                my $content=$form->field('editcontent');
                run_hooks(editcontent => sub {
                        $content=shift->(
@@ -408,9 +376,15 @@ sub cgi_editpage ($$) { #{{{
                });
                $form->tmpl_param("page_preview",
                        htmlize($page, $type,
-                       linkify($page, "",
+                       linkify($page, $page,
                        preprocess($page, $page,
                        filter($page, $page, $content), 0, 1))));
+               
+               if ($new) {
+                       delete $pagesources{$page};
+               }
+               # previewing may have created files on disk
+               saveindex();
        }
        elsif ($form->submitted eq "Save Page") {
                $form->tmpl_param("page_preview", "");
@@ -446,9 +420,10 @@ sub cgi_editpage ($$) { #{{{
                                        $dir=~s![^/]+/+$!!;
                                        push @page_locs, $dir.$page;
                                }
+                       
+                               push @page_locs, "$config{userdir}/$page"
+                                       if length $config{userdir};
                        }
-                       push @page_locs, "$config{userdir}/$page"
-                               if length $config{userdir};
 
                        @page_locs = grep {
                                ! exists $pagecase{lc $_}
@@ -456,8 +431,16 @@ sub cgi_editpage ($$) { #{{{
                        if (! @page_locs) {
                                # hmm, someone else made the page in the
                                # meantime?
-                               redirect($q, "$config{url}/".htmlpage($page));
-                               return;
+                               if ($form->submitted eq "Preview") {
+                                       # let them go ahead with the edit
+                                       # and resolve the conflict at save
+                                       # time
+                                       @page_locs=$page;
+                               }
+                               else {
+                                       redirect($q, "$config{url}/".htmlpage($page));
+                                       return;
+                               }
                        }
 
                        my @editable_locs = grep {
@@ -501,12 +484,21 @@ sub cgi_editpage ($$) { #{{{
                        $form->title(sprintf(gettext("editing %s"), pagetitle($page)));
                }
                
-               showform($form, \@buttons, $session, $q);
-               saveindex();
+               showform($form, \@buttons, $session, $q, forcebaseurl => $baseurl);
        }
        else {
                # save page
                check_canedit($page, $q, $session);
+       
+               # The session id is stored on the form and checked to
+               # guard against CSRF. But only if the user is logged in,
+               # as anonok can allow anonymous edits.
+               if (defined $session->param("name")) {
+                       my $sid=$q->param('sid');
+                       if (! defined $sid || $sid ne $session->id) {
+                               error(gettext("Your login session has expired."));
+                       }
+               }
 
                my $exists=-e "$config{srcdir}/$file";
 
@@ -518,7 +510,7 @@ sub cgi_editpage ($$) { #{{{
                        $form->field(name => "page", type => 'hidden');
                        $form->field(name => "type", type => 'hidden');
                        $form->title(sprintf(gettext("editing %s"), $page));
-                       showform($form, \@buttons, $session, $q);
+                       showform($form, \@buttons, $session, $q, forcebaseurl => $baseurl);
                        return;
                }
                elsif ($form->field("do") eq "create" && $exists) {
@@ -532,7 +524,7 @@ sub cgi_editpage ($$) { #{{{
                                value => readfile("$config{srcdir}/$file").
                                         "\n\n\n".$form->field("editcontent"),
                                force => 1);
-                       showform($form, \@buttons, $session, $q);
+                       showform($form, \@buttons, $session, $q, forcebaseurl => $baseurl);
                        return;
                }
                
@@ -562,7 +554,8 @@ sub cgi_editpage ($$) { #{{{
                        $form->field(name => "page", type => 'hidden');
                        $form->field(name => "type", type => 'hidden');
                        $form->title(sprintf(gettext("editing %s"), $page));
-                       showform($form, \@buttons, $session, $q);
+                       showform($form, \@buttons, $session, $q,
+                               forcebaseurl => $baseurl);
                        return;
                }
                
@@ -580,7 +573,7 @@ sub cgi_editpage ($$) { #{{{
 
                        # Prevent deadlock with post-commit hook by
                        # signaling to it that it should not try to
-                       # do anything (except send commit mails).
+                       # do anything.
                        disable_commit_hook();
                        $conflict=rcs_commit($file, $message,
                                $form->field("rcsinfo"),
@@ -593,10 +586,6 @@ sub cgi_editpage ($$) { #{{{
                # may have been committed while the post-commit hook was
                # disabled.
                require IkiWiki::Render;
-               # Reload index, since the first time it's loaded is before
-               # the wiki is locked, and things may have changed in the
-               # meantime.
-               loadindex();
                refresh();
                saveindex();
 
@@ -610,7 +599,8 @@ sub cgi_editpage ($$) { #{{{
                        $form->field(name => "page", type => 'hidden');
                        $form->field(name => "type", type => 'hidden');
                        $form->title(sprintf(gettext("editing %s"), $page));
-                       showform($form, \@buttons, $session, $q);
+                       showform($form, \@buttons, $session, $q,
+                               forcebaseurl => $baseurl);
                        return;
                }
                else {
@@ -668,14 +658,9 @@ sub cgi (;$$) { #{{{
                }
        }
        
-       # Things that do not need a session.
-       if ($do eq 'recentchanges') {
-               cgi_recentchanges($q);
-               return;
-       }
-
        # Need to lock the wiki before getting a session.
        lockwiki();
+       loadindex();
        
        if (! $session) {
                $session=cgi_getsession($q);