]> git.vanrenterghem.biz Git - git.ikiwiki.info.git/blobdiff - IkiWiki/Plugin/websetup.pm
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[git.ikiwiki.info.git] / IkiWiki / Plugin / websetup.pm
index e1536a1a7a238c1422960845ab49c3e6943721c4..f95017c90d71a6408dbd81028fcb15b32c7a3265 100644 (file)
@@ -3,24 +3,279 @@ package IkiWiki::Plugin::websetup;
 
 use warnings;
 use strict;
-use IkiWiki 2.00;
+use IkiWiki 3.00;
 
-sub import { #{{{
-       hook(type => "sessioncgi", id => "websetup",
-            call => \&sessioncgi);
-       hook(type => "formbuilder_setup", id => "websetup",
+sub import {
+       hook(type => "getsetup", id => "websetup", call => \&getsetup);
+       hook(type => "checkconfig", id => "websetup", call => \&checkconfig);
+       hook(type => "sessioncgi", id => "websetup", call => \&sessioncgi);
+       hook(type => "formbuilder_setup", id => "websetup", 
             call => \&formbuilder_setup);
-} # }}}
+}
 
-sub showform ($$) { #{{{
+sub getsetup () {
+       return
+               plugin => {
+                       safe => 1,
+                       rebuild => 0,
+                       section => "web",
+               },
+               websetup_force_plugins => {
+                       type => "string",
+                       example => [],
+                       description => "list of plugins that cannot be enabled/disabled via the web interface",
+                       safe => 0,
+                       rebuild => 0,
+               },
+               websetup_unsafe => {
+                       type => "string",
+                       example => [],
+                       description => "list of additional setup field keys to treat as unsafe",
+                       safe => 0,
+                       rebuild => 0,
+               },
+               websetup_show_unsafe => {
+                       type => "boolean",
+                       example => 1,
+                       description => "show unsafe settings, read-only, in web interface?",
+                       safe => 0,
+                       rebuild => 0,
+               },
+}
+
+sub checkconfig () {
+       if (! exists $config{websetup_show_unsafe}) {
+               $config{websetup_show_unsafe}=1;
+       }
+}
+
+sub formatexample ($$) {
+       my $example=shift;
+       my $value=shift;
+
+       if (defined $value && length $value) {
+               return "";
+       }
+       elsif (defined $example && ! ref $example && length $example) {
+               return "<br/ ><small>Example: <tt>$example</tt></small>";
+       }
+       else {
+               return "";
+       }
+}
+
+sub issafe ($) {
+       my $key=shift;
+
+       return ! grep { $_ eq $key } @{$config{websetup_unsafe}};
+}
+
+sub showfields ($$$@) {
+       my $form=shift;
+       my $plugin=shift;
+       my $enabled=shift;
+
+       my @show;
+       my %plugininfo;
+       while (@_) {
+               my $key=shift;
+               my %info=%{shift()};
+               
+               if ($key eq 'plugin') {
+                       %plugininfo=%info;
+                       next;
+               }
+
+               # skip internal settings
+               next if defined $info{type} && $info{type} eq "internal";
+               # XXX hashes not handled yet
+               next if ref $config{$key} && ref $config{$key} eq 'HASH' || ref $info{example} eq 'HASH';
+               # maybe skip unsafe settings
+               next if ! ($config{websetup_show_unsafe} && $config{websetup_advanced}) &&
+                       (! $info{safe} || ! issafe($key));
+               # maybe skip advanced settings
+               next if $info{advanced} && ! $config{websetup_advanced};
+               # these are handled specially, so don't show
+               next if $key eq 'add_plugins' || $key eq 'disable_plugins';
+
+               push @show, $key, \%info;
+       }
+
+       my $section=defined $plugin
+               ? sprintf(gettext("%s plugin:"), $plugininfo{section})." ".$plugin
+               : "main";
+       my %enabledfields;
+       my $shownfields=0;
+       
+       my $plugin_forced=defined $plugin && (! $plugininfo{safe} ||
+               (exists $config{websetup_force_plugins} && grep { $_ eq $plugin } @{$config{websetup_force_plugins}}));
+       if ($plugin_forced && ! $enabled) {
+               # plugin is forced disabled, so skip its settings
+               @show=();
+       }
+
+       my $section_fieldset;
+       if (defined $plugin) {
+               # Define the combined fieldset for the plugin's section.
+               # This ensures that this fieldset comes first.
+               $section_fieldset=sprintf(gettext("%s plugins"), $plugininfo{section});
+               $form->field(name => "placeholder.$plugininfo{section}",
+                       type => "hidden",
+                       fieldset => $section_fieldset);
+       }
+
+       # show plugin toggle
+       if (defined $plugin && (! $plugin_forced || $config{websetup_advanced})) {
+               my $name="enable.$plugin";
+               $form->field(
+                       name => $name,
+                       label => "",
+                       type => "checkbox",
+                       fieldset => $section,
+                       options => [ [ 1 => sprintf(gettext("enable %s?"), $plugin) ]]
+               );
+               if (! $form->submitted) {
+                       $form->field(name => $name, value => $enabled);
+               }
+               if ($plugin_forced) {
+                       $form->field(name => $name, disabled => 1);
+               }
+               else {
+                       $enabledfields{$name}=[$name, \%plugininfo];
+               }
+       }
+
+       # show plugin settings
+       while (@show) {
+               my $key=shift @show;
+               my %info=%{shift @show};
+
+               my $description=$info{description};
+               if (exists $info{htmldescription}) {
+                       $description=$info{htmldescription};
+               }
+               elsif (exists $info{link} && length $info{link}) {
+                       if ($info{link} =~ /^\w+:\/\//) {
+                               $description="<a href=\"$info{link}\">$description</a>";
+                       }
+                       else {
+                               $description=htmllink("", "", $info{link}, noimageinline => 1, linktext => $description);
+                       }
+               }
+
+               # multiple plugins can have the same field
+               my $name=defined $plugin ? $plugin.".".$key : $section.".".$key;
+
+               my $value=$config{$key};
+               if (! defined $value) {
+                       $value="";
+               }
+
+               if (ref $value eq 'ARRAY' || ref $info{example} eq 'ARRAY') {
+                       $value=[(ref $value eq 'ARRAY' ? map { Encode::encode_utf8($_) }  @{$value} : "")];
+                       push @$value, "", "" if $info{safe} && issafe($key); # blank items for expansion
+               }
+               else {
+                       $value=Encode::encode_utf8($value);
+               }
+
+               if ($info{type} eq "string") {
+                       $form->field(
+                               name => $name,
+                               label => $description,
+                               comment => formatexample($info{example}, $value),
+                               type => "text",
+                               value => $value,
+                               size => 60,
+                               fieldset => $section,
+                       );
+               }
+               elsif ($info{type} eq "pagespec") {
+                       $form->field(
+                               name => $name,
+                               label => $description,
+                               comment => formatexample($info{example}, $value),
+                               type => "text",
+                               value => $value,
+                               size => 60,
+                               validate => \&IkiWiki::pagespec_valid,
+                               fieldset => $section,
+                       );
+               }
+               elsif ($info{type} eq "integer") {
+                       $form->field(
+                               name => $name,
+                               label => $description,
+                               comment => formatexample($info{example}, $value),
+                               type => "text",
+                               value => $value,
+                               size => 5,
+                               validate => '/^[0-9]+$/',
+                               fieldset => $section,
+                       );
+               }
+               elsif ($info{type} eq "boolean") {
+                       $form->field(
+                               name => $name,
+                               label => "",
+                               type => "checkbox",
+                               options => [ [ 1 => $description ] ],
+                               fieldset => $section,
+                       );
+                       if (! $form->submitted ||
+                           ($info{advanced} && $form->submitted eq 'Advanced Mode')) {
+                               $form->field(name => $name, value => $value);
+                       }
+               }
+               
+               if (! $info{safe} || ! issafe($key)) {
+                       $form->field(name => $name, disabled => 1);
+               }
+               else {
+                       $enabledfields{$name}=[$key, \%info];
+               }
+               $shownfields++;
+       }
+       
+       # if no fields were shown for the plugin, drop it into a combined
+       # fieldset for its section
+       if (defined $plugin && (! $plugin_forced || $config{websetup_advanced}) &&
+           ! $shownfields) {
+               $form->field(name => "enable.$plugin", fieldset => $section_fieldset);
+       }
+
+       return %enabledfields;
+}
+
+sub enable_plugin ($) {
+       my $plugin=shift;
+
+       $config{disable_plugins}=[grep { $_ ne $plugin } @{$config{disable_plugins}}];
+       push @{$config{add_plugins}}, $plugin;
+}
+
+sub disable_plugin ($) {
+       my $plugin=shift;
+
+       $config{add_plugins}=[grep { $_ ne $plugin } @{$config{add_plugins}}];
+       push @{$config{disable_plugins}}, $plugin;
+}
+
+sub showform ($$) {
        my $cgi=shift;
        my $session=shift;
 
+       IkiWiki::needsignin($cgi, $session);
+
        if (! defined $session->param("name") || 
            ! IkiWiki::is_admin($session->param("name"))) {
                error(gettext("you are not logged in as an admin"));
        }
 
+       if (! exists $config{setupfile}) {
+               error(gettext("setup file for this wiki is not known"));
+       }
+
        eval q{use CGI::FormBuilder};
        error($@) if $@;
 
@@ -30,41 +285,212 @@ sub showform ($$) { #{{{
                header => 0,
                charset => "utf-8",
                method => 'POST',
+               javascript => 0,
+               reset => 1,
                params => $cgi,
-               action => $config{cgiurl},
+               fieldsets => [
+                       [main => gettext("main")], 
+               ],
+               action => IkiWiki::cgiurl(),
                template => {type => 'div'},
-               stylesheet => IkiWiki::baseurl()."style.css",
+               stylesheet => 1,
        );
-       my $buttons=["Save Setup", "Cancel"];
+       
+       $form->field(name => "do", type => "hidden", value => "setup",
+               force => 1);
+       $form->field(name => "rebuild_asked", type => "hidden");
+       $form->field(name => "showadvanced", type => "hidden");
+
+       if ($form->submitted eq 'Basic Mode') {
+               $form->field(name => "showadvanced", type => "hidden", 
+                       value => 0, force => 1);
+       }
+       elsif ($form->submitted eq 'Advanced Mode') {
+               $form->field(name => "showadvanced", type => "hidden", 
+                       value => 1, force => 1);
+       }
+       my $advancedtoggle;
+       if ($form->field("showadvanced")) {
+               $config{websetup_advanced}=1;
+               $advancedtoggle="Basic Mode";
+       }
+       else {
+               $config{websetup_advanced}=0;
+               $advancedtoggle="Advanced Mode";
+       }
+
+       my $buttons=["Save Setup", $advancedtoggle, "Cancel"];
 
        IkiWiki::decode_form_utf8($form);
        IkiWiki::run_hooks(formbuilder_setup => sub {
                shift->(form => $form, cgi => $cgi, session => $session,
                        buttons => $buttons);
        });
-       IkiWiki::decode_form_utf8($form);
 
-       $form->field(name => "do", type => "hidden", value => "setup",
-               force => 1);
+       my %fields=showfields($form, undef, undef, IkiWiki::getsetup());
+       
+       # record all currently enabled plugins before all are loaded
+       my %enabled_plugins=%IkiWiki::loaded_plugins;
+
+       # per-plugin setup
+       require IkiWiki::Setup;
+       foreach my $pair (IkiWiki::Setup::getsetup()) {
+               my $plugin=$pair->[0];
+               my $setup=$pair->[1];
 
-       if (! $form->submitted) {
-               # TODO
+               my %shown=showfields($form, $plugin, $enabled_plugins{$plugin}, @{$setup});
+               if (%shown) {
+                       $fields{$_}=$shown{$_} foreach keys %shown;
+               }
        }
 
+       IkiWiki::decode_form_utf8($form);
+       
        if ($form->submitted eq "Cancel") {
-               IkiWiki::redirect($cgi, $config{url});
+               IkiWiki::redirect($cgi, IkiWiki::baseurl(undef));
                return;
        }
-       elsif ($form->submitted eq 'Save Setup' && $form->validate) {
-               # TODO
+       elsif (($form->submitted eq 'Save Setup' || $form->submitted eq 'Rebuild Wiki') && $form->validate) {
+               # Push values from form into %config, avoiding unnecessary
+               # changes, and keeping track of which changes need a
+               # rebuild.
+               my %rebuild;
+               foreach my $field (keys %fields) {
+                       my %info=%{$fields{$field}->[1]};
+                       my $key=$fields{$field}->[0];
+                       my @value=$form->field($field);
+                       if (! @value) {
+                               @value=0;
+                       }
+               
+                       if (! $info{safe} || ! issafe($key)) {
+                               error("unsafe field $key"); # should never happen
+                       }
+               
+                       if (exists $info{rebuild} &&
+                           ($info{rebuild} || ! defined $info{rebuild})) {
+                               $rebuild{$field}=$info{rebuild};
+                       }
+                                       
+                       if ($field=~/^enable\.(.*)/) {
+                               my $plugin=$1;
+                               $value[0]=0 if ! length $value[0];
+                               if ($value[0] != exists $enabled_plugins{$plugin}) {
+                                       if ($value[0]) {
+                                               enable_plugin($plugin);
+                                       }
+                                       else {
+                                               disable_plugin($plugin);
 
-               $form->text(gettext("Setup saved."));
+                                       }
+                               }
+                               else {
+                                       delete $rebuild{$field};
+                               }
+                               next;
+                       }
+
+                       if (ref $config{$key} eq "ARRAY" || ref $info{example} eq "ARRAY") {
+                               @value=sort grep { length $_ } @value;
+                               my @oldvalue=sort grep { length $_ }
+                                       (defined $config{$key} ? @{$config{$key}} : ());
+                               my $same=(@oldvalue) == (@value);
+                               for (my $x=0; $same && $x < @value; $x++) {
+                                       $same=0 if $value[$x] ne $oldvalue[$x];
+                               }
+                               if ($same) {
+                                       delete $rebuild{$field};
+                               }
+                               else {
+                                       $config{$key}=\@value;
+                               }
+                       }
+                       elsif (ref $config{$key} || ref $info{example}) {
+                               error("complex field $key"); # should never happen
+                       }
+                       else {
+                               if (defined $config{$key} && $config{$key} eq $value[0]) {
+                                       delete $rebuild{$field};
+                               }
+                               elsif (! defined $config{$key} && ! length $value[0]) {
+                                       delete $rebuild{$field};
+                               }
+                               elsif ((! defined $config{$key} || ! $config{$key}) &&
+                                      ! $value[0] && $info{type} eq "boolean") {
+                                       delete $rebuild{$field};
+                               }
+                               else {
+                                       $config{$key}=$value[0];
+                               }
+                       }
+               }
+               
+               if (%rebuild && ! $form->field("rebuild_asked")) {
+                       my $required=0;
+                       foreach my $field ($form->field) {
+                               $required=1 if $rebuild{$field};
+                               next if exists $rebuild{$field};
+                               $form->field(name => $field, type => "hidden");
+                       }
+                       if ($required) {
+                               $form->text(gettext("The configuration changes shown below require a wiki rebuild to take effect."));
+                               $buttons=["Rebuild Wiki", "Cancel"];
+                       }
+                       else {
+                               $form->text(gettext("For the configuration changes shown below to fully take effect, you may need to rebuild the wiki."));
+                               $buttons=["Rebuild Wiki", "Save Setup", "Cancel"];
+                       }
+                       $form->field(name => "rebuild_asked", value => 1, force => 1);
+                       $form->reset(0); # doesn't really make sense here
+               }
+               else {
+                       my $oldsetup=readfile($config{setupfile});
+                       IkiWiki::Setup::dump($config{setupfile});
+
+                       IkiWiki::saveindex();
+                       IkiWiki::unlockwiki();
+
+                       # Print the top part of a standard cgitemplate,
+                       # then show the rebuild or refresh, live.
+                       my $divider="\0";
+                       my $html=IkiWiki::cgitemplate($cgi, "setup", $divider);
+                       IkiWiki::printheader($session);
+                       my ($head, $tail)=split($divider, $html, 2);
+                       print $head."<pre>\n";
+
+                       my @command;
+                       if ($form->submitted eq 'Rebuild Wiki') {
+                               @command=("ikiwiki", "-setup", $config{setupfile},
+                                        "-rebuild", "-v");
+                       }
+                       else {
+                               @command=("ikiwiki", "-setup", $config{setupfile},
+                                       "-refresh", "-wrappers", "-v");
+                       }
+
+                       close STDERR;
+                       open(STDERR, ">&STDOUT");
+                       my $ret=system(@command);
+                       print "\n<\/pre>";
+                       if ($ret != 0) {
+                               print '<p class="error">'.
+                                       sprintf(gettext("Error: %s exited nonzero (%s). Discarding setup changes."),
+                                               join(" ", @command), $ret).
+                                       '</p>';
+                               open(OUT, ">", $config{setupfile}) || error("$config{setupfile}: $!");
+                               print OUT Encode::encode_utf8($oldsetup);
+                               close OUT;
+                       }
+
+                       print $tail;
+                       exit 0;
+               }
        }
 
        IkiWiki::showform($form, $buttons, $session, $cgi);
-} #}}}
+}
 
-sub sessioncgi ($$) { #{{{
+sub sessioncgi ($$) {
        my $cgi=shift;
        my $session=shift;
 
@@ -72,19 +498,20 @@ sub sessioncgi ($$) { #{{{
                showform($cgi, $session);
                exit;
        }
-} #}}}
+}
 
-sub formbuilder_setup (@) { #{{{
+sub formbuilder_setup (@) {
        my %params=@_;
 
        my $form=$params{form};
-       if ($form->title eq "preferences") {
-               push @{$params{buttons}}, "Wiki Setup";
-               if ($form->submitted && $form->submitted eq "Wiki Setup") {
+       if ($form->title eq "preferences" &&
+           IkiWiki::is_admin($params{session}->param("name"))) {
+               push @{$params{buttons}}, "Setup";
+               if ($form->submitted && $form->submitted eq "Setup") {
                        showform($params{cgi}, $params{session});
                        exit;
                }
        }
-} #}}}
+}
 
 1