]> git.vanrenterghem.biz Git - git.ikiwiki.info.git/blobdiff - IkiWiki/CGI.pm
bug
[git.ikiwiki.info.git] / IkiWiki / CGI.pm
index 973053427b4957aa40c46b4841661c8e0387d259..c785e31dec166f2d8ef18caaad14e5bdd37a0734 100644 (file)
@@ -20,6 +20,24 @@ sub printheader ($) { #{{{
        }
 
 } #}}}
+       
+sub showform ($$$$) { #{{{
+       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 => $buttons);
+               });
+       }
+       else {
+               printheader($session);
+               print misctemplate($form->title, $form->render(submit => $buttons));
+       }
+}
 
 sub redirect ($$) { #{{{
        my $q=shift;
@@ -89,7 +107,9 @@ sub cgi_recentchanges ($) { #{{{
                delete @{$change->{pages}}[10 .. @{$change->{pages}}] if $is_excess;
                $change->{pages} = [
                        map {
-                               $_->{link} = htmllink("", "", $_->{page}, 1, 0, pagetitle($_->{page}));
+                               $_->{link} = htmllink("", "", $_->{page},
+                                       noimageinline => 1,
+                                       linktext => pagetitle($_->{page}));
                                $_;
                        } @{$change->{pages}}
                ];
@@ -135,7 +155,7 @@ sub cgi_signin ($$) { #{{{
        error($@) if $@;
        my $form = CGI::FormBuilder->new(
                title => "signin",
-               header => 1,
+               name => "signin",
                charset => "utf-8",
                method => 'POST',
                required => 'NONE',
@@ -143,7 +163,7 @@ sub cgi_signin ($$) { #{{{
                params => $q,
                action => $config{cgiurl},
                header => 0,
-               template => scalar template_params("signin.tmpl"),
+               template => {type => 'div'},
                stylesheet => baseurl()."style.css",
        );
        my $buttons=["Login"];
@@ -154,37 +174,37 @@ sub cgi_signin ($$) { #{{{
        $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);
+               shift->(form => $form, cgi => $q, session => $session,
+                       buttons => $buttons);
        });
-       
-       decode_form_utf8($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 => $buttons));
+       if ($form->submitted) {
+               $form->validate;
        }
+
+       showform($form, $buttons, $session, $q);
 } #}}}
 
 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;
+       if (defined $session->param("postsignin")) {
+               my $postsignin=CGI->new($session->param("postsignin"));
+               $session->clear("postsignin");
+               cgi($postsignin, $session);
+               cgi_savesession($session);
+               exit;
+       }
+       else {
+               # This can occur, for example, if a user went to the signin
+               # url via a bookmark.
+               redirect($q, $config{url});
+       }
 } #}}}
 
 sub cgi_prefs ($$) { #{{{
@@ -197,6 +217,7 @@ sub cgi_prefs ($$) { #{{{
        error($@) if $@;
        my $form = CGI::FormBuilder->new(
                title => "preferences",
+               name => "preferences",
                header => 0,
                charset => "utf-8",
                method => 'POST',
@@ -207,20 +228,30 @@ sub cgi_prefs ($$) { #{{{
                javascript => 0,
                params => $q,
                action => $config{cgiurl},
-               template => scalar template_params("prefs.tmpl"),
+               template => {type => 'div'},
                stylesheet => baseurl()."style.css",
+               fieldsets => [
+                       [login => gettext("Login")],
+                       [preferences => gettext("Preferences")],
+                       [admin => gettext("Admin")]
+               ],
        );
        my $buttons=["Save Preferences", "Logout", "Cancel"];
 
+       decode_form_utf8($form);
+
        run_hooks(formbuilder_setup => sub {
-               shift->(form => $form, cgi => $q, session => $session);
+               shift->(form => $form, cgi => $q, session => $session,
+                       buttons => $buttons);
        });
        
        $form->field(name => "do", type => "hidden");
-       $form->field(name => "email", size => 50);
+       $form->field(name => "email", size => 50, fieldset => "preferences");
        $form->field(name => "subscriptions", size => 50,
-               comment => "(".htmllink("", "", "PageSpec", 1).")");
-       $form->field(name => "banned_users", size => 50);
+               fieldset => "preferences",
+               comment => "(".htmllink("", "", "PageSpec", noimageinline => 1).")");
+       $form->field(name => "banned_users", size => 50,
+               fieldset => "admin");
        
        my $user_name=$session->param("name");
        if (! is_admin($user_name)) {
@@ -238,8 +269,6 @@ sub cgi_prefs ($$) { #{{{
                }
        }
        
-       decode_form_utf8($form);
-       
        if ($form->submitted eq 'Logout') {
                $session->delete();
                redirect($q, $config{url});
@@ -265,16 +294,7 @@ sub cgi_prefs ($$) { #{{{
                $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 => $buttons));
-       }
+       showform($form, $buttons, $session, $q);
 } #}}}
 
 sub cgi_editpage ($$) { #{{{
@@ -287,8 +307,8 @@ sub cgi_editpage ($$) { #{{{
        eval q{use CGI::FormBuilder};
        error($@) if $@;
        my $form = CGI::FormBuilder->new(
+               title => "editpage",
                fields => \@fields,
-               header => 1,
                charset => "utf-8",
                method => 'POST',
                validate => {
@@ -298,21 +318,25 @@ sub cgi_editpage ($$) { #{{{
                javascript => 0,
                params => $q,
                action => $config{cgiurl},
+               header => 0,
                table => 0,
                template => scalar template_params("editpage.tmpl"),
+               wikiname => $config{wikiname},
        );
        
+       decode_form_utf8($form);
+       
        run_hooks(formbuilder_setup => sub {
-               shift->(form => $form, cgi => $q, session => $session);
+               shift->(form => $form, cgi => $q, session => $session,
+                       buttons => \@buttons);
        });
        
-       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=~/^\//) {
+       if (! defined $page || ! length $page ||
+           file_pruned($page, $config{srcdir}) || $page=~/^\//) {
                error("bad page name");
        }
        
@@ -323,12 +347,16 @@ sub cgi_editpage ($$) { #{{{
        
        my $file;
        my $type;
-       if (exists $pagesources{$page}) {
+       if (exists $pagesources{$page} && $form->field("do") ne "create") {
                $file=$pagesources{$page};
                $type=pagetype($file);
                if (! defined $type) {
                        error(sprintf(gettext("%s is not an editable page"), $page));
                }
+               if (! $form->submitted) {
+                       $form->field(name => "rcsinfo",
+                               value => rcs_prepedit($file), force => 1);
+               }
        }
        else {
                $type=$form->param('type');
@@ -341,18 +369,16 @@ sub cgi_editpage ($$) { #{{{
                }
                $type=$config{default_pageext} unless defined $type;
                $file=$page.".".$type;
-       }
-
-       my $newfile=0;
-       if (! -e "$config{srcdir}/$file") {
-               $newfile=1;
+               if (! $form->submitted) {
+                       $form->field(name => "rcsinfo", value => "", force => 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);
+       $form->field(name => "page", value => pagetitle($page, 1), 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,
@@ -360,18 +386,14 @@ sub cgi_editpage ($$) { #{{{
        $form->tmpl_param("can_commit", $config{rcs});
        $form->tmpl_param("indexlink", indexlink());
        $form->tmpl_param("helponformattinglink",
-               htmllink("", "", "HelpOnFormatting", 1));
+               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 $from) {
+               if ($form->field("do") eq "create" && defined $from) {
                        redirect($q, "$config{url}/".htmlpage($from));
                }
-               elsif ($newfile) {
+               elsif ($form->field("do") eq "create") {
                        redirect($q, $config{url});
                }
                else {
@@ -381,25 +403,26 @@ sub cgi_editpage ($$) { #{{{
        }
        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!
+               run_hooks(editcontent => sub {
+                       $content=shift->(
+                               content => $content,
+                               page => $page,
+                               cgi => $q,
+                               session => $session,
+                       );
+               });
                $form->tmpl_param("page_preview",
                        htmlize($page, $type,
                        linkify($page, "",
                        preprocess($page, $page,
-                       filter($page, $content)))));
+                       filter($page, $page, $content), 0, 1))));
        }
-       else {
+       elsif ($form->submitted eq "Save Page") {
                $form->tmpl_param("page_preview", "");
        }
        $form->tmpl_param("page_conflict", "");
        
-       if (! $form->submitted || $form->submitted eq "Preview" || 
-           ! $form->validate) {
+       if ($form->submitted ne "Save Page" || ! $form->validate) {
                if ($form->field("do") eq "create") {
                        my @page_locs;
                        my $best_loc;
@@ -457,10 +480,12 @@ sub cgi_editpage ($$) { #{{{
                        
                        $form->tmpl_param("page_select", 1);
                        $form->field(name => "page", type => 'select',
-                               options => \@editable_locs, value => $best_loc);
+                               options => [ map { pagetitle($_, 1) } @editable_locs ],
+                               value => pagetitle($best_loc, 1));
                        $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);
@@ -480,14 +505,49 @@ sub cgi_editpage ($$) { #{{{
                        $form->title(sprintf(gettext("editing %s"), pagetitle($page)));
                }
                
-               print $form->render(submit => \@buttons);
+               showform($form, \@buttons, $session, $q);
        }
        else {
                # save page
                check_canedit($page, $q, $session);
+
+               my $exists=-e "$config{srcdir}/$file";
+
+               if ($form->field("do") ne "create" && ! $exists &&
+                   ! eval { srcfile($file) }) {
+                       $form->tmpl_param("page_gone", 1);
+                       $form->field(name => "do", value => "create", 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"), $page));
+                       showform($form, \@buttons, $session, $q);
+                       return;
+               }
+               elsif ($form->field("do") eq "create" && $exists) {
+                       $form->tmpl_param("creation_conflict", 1);
+                       $form->field(name => "do", value => "edit", 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"), $page));
+                       $form->field("editcontent", 
+                               value => readfile("$config{srcdir}/$file").
+                                        "\n\n\n".$form->field("editcontent"),
+                               force => 1);
+                       showform($form, \@buttons, $session, $q);
+                       return;
+               }
                
                my $content=$form->field('editcontent');
-
+               run_hooks(editcontent => sub {
+                       $content=shift->(
+                               content => $content,
+                               page => $page,
+                               cgi => $q,
+                               session => $session,
+                       );
+               });
                $content=~s/\r\n/\n/g;
                $content=~s/\r/\n/g;
 
@@ -500,16 +560,15 @@ sub cgi_editpage ($$) { #{{{
                        $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 $form->render(submit => \@buttons);
+                       showform($form, \@buttons, $session, $q);
                        return;
                }
                
+               my $conflict;
                if ($config{rcs}) {
                        my $message="";
                        if (defined $form->field('comments') &&
@@ -517,47 +576,46 @@ sub cgi_editpage ($$) { #{{{
                                $message=$form->field('comments');
                        }
                        
-                       if ($newfile) {
+                       if (! $exists) {
                                rcs_add($file);
                        }
-                       # prevent deadlock with post-commit hook
-                       unlockwiki();
-                       # presumably the commit will trigger an update
-                       # of the wiki
-                       my $conflict=rcs_commit($file, $message,
+
+                       # Prevent deadlock with post-commit hook by
+                       # signaling to it that it should not try to
+                       # do anything (except send commit mails).
+                       disable_commit_hook();
+                       $conflict=rcs_commit($file, $message,
                                $form->field("rcsinfo"),
                                $session->param("name"), $ENV{REMOTE_ADDR});
+                       enable_commit_hook();
+                       rcs_update();
+               }
                
-                       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();
-                       }
+               # Refresh even if there was a conflict, since other changes
+               # may have been committed while the post-commit hook was
+               # disabled.
+               require IkiWiki::Render;
+               refresh();
+               saveindex();
+
+               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("do", "edit", 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"), $page));
+                       showform($form, \@buttons, $session, $q);
+                       return;
                }
                else {
-                       require IkiWiki::Render;
-                       refresh();
-                       saveindex();
+                       # The trailing question mark tries to avoid broken
+                       # caches and get the most recent version of the page.
+                       redirect($q, "$config{url}/".htmlpage($page)."?updated");
                }
-               
-               # 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");
        }
 } #}}}
 
@@ -613,9 +671,6 @@ sub cgi (;$$) { #{{{
                cgi_recentchanges($q);
                return;
        }
-       elsif ($do eq 'hyperestraier') {
-               cgi_hyperestraier();
-       }
 
        # Need to lock the wiki before getting a session.
        lockwiki();
@@ -649,7 +704,10 @@ sub cgi (;$$) { #{{{
                print gettext("You are banned.");
                cgi_savesession($session);
        }
-       elsif ($do eq 'signin') {
+
+       run_hooks(sessioncgi => sub { shift->($q, $session) });
+
+       if ($do eq 'signin') {
                cgi_signin($q, $session);
                cgi_savesession($session);
        }
@@ -662,21 +720,6 @@ sub cgi (;$$) { #{{{
        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?"));
        }
@@ -709,7 +752,7 @@ sub userlink ($) { #{{{
        else {
                return htmllink("", "", escapeHTML(
                        length $config{userdir} ? $config{userdir}."/".$user : $user
-               ), 1);
+               ), noimageinline => 1);
        }
 } #}}}