IkiWiki/Plugin/websetup.pm

   1 #!/usr/bin/perl
   2 package IkiWiki::Plugin::websetup;
   3
   4 use warnings;
   5 use strict;
   6 use IkiWiki 2.00;
   7
   8 my @rcs_plugins=(qw{git svn bzr mercurial monotone tla norcs});
   9
  10 # amazon_s3 is not something that should be enabled via the web.
  11 # external is not a standalone plugin.
  12 my @default_force_plugins=(qw{amazon_s3 external});
  13
  14 sub import { #{{{
  15         hook(type => "getsetup", id => "websetup", call => \&getsetup);
  16         hook(type => "checkconfig", id => "websetup", call => \&checkconfig);
  17         hook(type => "sessioncgi", id => "websetup", call => \&sessioncgi);
  18         hook(type => "formbuilder_setup", id => "websetup",
  19              call => \&formbuilder_setup);
  20 } # }}}
  21
  22 sub getsetup () { #{{{
  23         return
  24                 websetup_force_plugins => {
  25                         type => "string",
  26                         example => \@default_force_plugins,
  27                         description => "list of plugins that cannot be enabled/disabled via the web interface",
  28                         safe => 0,
  29                         rebuild => 0,
  30                 },
  31                 websetup_show_unsafe => {
  32                         type => "boolean",
  33                         example => 1,
  34                         description => "show unsafe settings, read-only, in web interface?",
  35                         safe => 0,
  36                         rebuild => 0,
  37                 },
  38 } #}}}
  39
  40 sub checkconfig () { #{{{
  41         if (! exists $config{websetup_show_unsafe}) {
  42                 $config{websetup_show_unsafe}=1;
  43         }
  44 } #}}}
  45
  46 sub formatexample ($$) { #{{{
  47         my $example=shift;
  48         my $value=shift;
  49
  50         if (defined $value && length $value) {
  51                 return "";
  52         }
  53         elsif (defined $example && ! ref $example && length $example) {
  54                 return "<br/ ><small>Example: <tt>$example</tt></small>";
  55         }
  56         else {
  57                 return "";
  58         }
  59 } #}}}
  60
  61 sub showfields ($$$@) { #{{{
  62         my $form=shift;
  63         my $plugin=shift;
  64         my $enabled=shift;
  65
  66         my @show;
  67         while (@_) {
  68                 my $key=shift;
  69                 my %info=%{shift()};
  70
  71                 # skip complex or internal settings
  72                 next if ref $config{$key} || ref $info{example} || $info{type} eq "internal";
  73                 # maybe skip unsafe settings
  74                 next if ! $info{safe} && ! $config{websetup_show_unsafe};
  75                 # these are handled specially, so don't show
  76                 next if $key eq 'add_plugins' || $key eq 'disable_plugins';
  77
  78                 push @show, $key, \%info;
  79         }
  80
  81         return unless @show;
  82
  83         my $section=defined $plugin ? $plugin." ".gettext("plugin") : gettext("main");
  84
  85         my %shownfields;
  86         if (defined $plugin) {
  87                 if (showplugintoggle($form, $plugin, $enabled, $section)) {
  88                         $shownfields{"enable.$plugin"}=$plugin;
  89                 }
  90                 elsif (! $enabled) {
  91                     # plugin not enabled and cannot be, so skip showing
  92                     # its configuration
  93                     return;
  94                 }
  95         }
  96
  97         while (@show) {
  98                 my $key=shift @show;
  99                 my %info=%{shift @show};
 100
 101                 my $description=exists $info{description_html} ? $info{description_html} : $info{description};
 102                 my $value=$config{$key};
 103                 # multiple plugins can have the same field
 104                 my $name=defined $plugin ? $plugin.".".$key : $key;
 105
 106                 if ($info{type} eq "string") {
 107                         $form->field(
 108                                 name => $name,
 109                                 label => $description,
 110                                 comment => formatexample($info{example}, $value),
 111                                 type => "text",
 112                                 value => $value,
 113                                 size => 60,
 114                                 fieldset => $section,
 115                         );
 116                 }
 117                 elsif ($info{type} eq "pagespec") {
 118                         $form->field(
 119                                 name => $name,
 120                                 label => $description,
 121                                 comment => formatexample($info{example}, $value),
 122                                 type => "text",
 123                                 value => $value,
 124                                 size => 60,
 125                                 validate => \&IkiWiki::pagespec_valid,
 126                                 fieldset => $section,
 127                         );
 128                 }
 129                 elsif ($info{type} eq "integer") {
 130                         $form->field(
 131                                 name => $name,
 132                                 label => $description,
 133                                 comment => formatexample($info{example}, $value),
 134                                 type => "text",
 135                                 value => $value,
 136                                 size => 5,
 137                                 validate => '/^[0-9]+$/',
 138                                 fieldset => $section,
 139                         );
 140                 }
 141                 elsif ($info{type} eq "boolean") {
 142                         $form->field(
 143                                 name => $name,
 144                                 label => "",
 145                                 type => "checkbox",
 146                                 value => $value,
 147                                 options => [ [ 1 => $description ] ],
 148                                 fieldset => $section,
 149                         );
 150                 }
 151
 152                 if (! $info{safe}) {
 153                         $form->field(name => $name, disabled => 1);
 154                         $form->text(gettext("Note: Disabled options cannot be configured here, but only by editing the setup file."));
 155                 }
 156                 else {
 157                         $shownfields{$name}=$key;
 158                 }
 159         }
 160
 161         return %shownfields;
 162 } #}}}
 163
 164 sub showplugintoggle ($$$$) { #{{{
 165         my $form=shift;
 166         my $plugin=shift;
 167         my $enabled=shift;
 168         my $section=shift;
 169
 170         if (exists $config{websetup_force_plugins} &&
 171             grep { $_ eq $plugin } @{$config{websetup_force_plugins}}, @rcs_plugins) {
 172                 return 0;
 173         }
 174         elsif (! exists $config{websetup_force_plugins} &&
 175                grep { $_ eq $plugin } @default_force_plugins, @rcs_plugins) {
 176                 return 0;
 177         }
 178
 179         $form->field(
 180                 ame => "enable.$plugin",
 181                 label => "",
 182                 type => "checkbox",
 183                 options => [ [ 1 => sprintf(gettext("enable %s?"), $plugin) ] ],
 184                 value => $enabled,
 185                 fieldset => $section,
 186         );
 187
 188         return 1;
 189 } #}}}
 190
 191 sub showform ($$) { #{{{
 192         my $cgi=shift;
 193         my $session=shift;
 194
 195         if (! defined $session->param("name") ||
 196             ! IkiWiki::is_admin($session->param("name"))) {
 197                 error(gettext("you are not logged in as an admin"));
 198         }
 199
 200         eval q{use CGI::FormBuilder};
 201         error($@) if $@;
 202
 203         my $form = CGI::FormBuilder->new(
 204                 title => "setup",
 205                 name => "setup",
 206                 header => 0,
 207                 charset => "utf-8",
 208                 method => 'POST',
 209                 javascript => 0,
 210                 reset => 1,
 211                 params => $cgi,
 212                 action => $config{cgiurl},
 213                 template => {type => 'div'},
 214                 stylesheet => IkiWiki::baseurl()."style.css",
 215         );
 216         my $buttons=["Save Setup", "Cancel"];
 217
 218         IkiWiki::decode_form_utf8($form);
 219         IkiWiki::run_hooks(formbuilder_setup => sub {
 220                 shift->(form => $form, cgi => $cgi, session => $session,
 221                         buttons => $buttons);
 222         });
 223         IkiWiki::decode_form_utf8($form);
 224
 225         $form->field(name => "do", type => "hidden", value => "setup",
 226                 force => 1);
 227         my %fields=showfields($form, undef, undef, IkiWiki::getsetup());
 228
 229         # record all currently enabled plugins before all are loaded
 230         my %enabled_plugins=%IkiWiki::loaded_plugins;
 231
 232         # per-plugin setup
 233         require IkiWiki::Setup;
 234         my %plugins=map { $_ => 1 } IkiWiki::listplugins();
 235         foreach my $pair (IkiWiki::Setup::getsetup()) {
 236                 my $plugin=$pair->[0];
 237                 my $setup=$pair->[1];
 238
 239                 # skip all rcs plugins except for the one in use
 240                 next if $plugin ne $config{rcs} && grep { $_ eq $plugin } @rcs_plugins;
 241
 242                 my %shown=showfields($form, $plugin, $enabled_plugins{$plugin}, @{$setup});
 243                 if (%shown) {
 244                         delete $plugins{$plugin};
 245                         $fields{$_}=$shown{$_} foreach keys %shown;
 246                 }
 247         }
 248
 249         # list all remaining plugins (with no setup options) at the end
 250         foreach (sort keys %plugins) {
 251                 if (showplugintoggle($form, $_, $enabled_plugins{$_}, gettext("other plugins"))) {
 252                         $fields{"enable.$_"}=$_;
 253                 }
 254         }
 255
 256         if ($form->submitted eq "Cancel") {
 257                 IkiWiki::redirect($cgi, $config{url});
 258                 return;
 259         }
 260         elsif ($form->submitted eq 'Save Setup' && $form->validate) {
 261                 foreach my $field (keys %fields) {
 262                         # TODO plugin enable/disable
 263                         next if $field=~/^enable\./; # plugin
 264                         $config{$fields{$field}}=$form->field($field);
 265                 }
 266                 # TODO save to real path
 267                 IkiWiki::Setup::dump("/tmp/s");
 268                 $form->text(gettext("Setup saved."));
 269         }
 270
 271         IkiWiki::showform($form, $buttons, $session, $cgi);
 272 } #}}}
 273
 274 sub sessioncgi ($$) { #{{{
 275         my $cgi=shift;
 276         my $session=shift;
 277
 278         if ($cgi->param("do") eq "setup") {
 279                 showform($cgi, $session);
 280                 exit;
 281         }
 282 } #}}}
 283
 284 sub formbuilder_setup (@) { #{{{
 285         my %params=@_;
 286
 287         my $form=$params{form};
 288         if ($form->title eq "preferences") {
 289                 push @{$params{buttons}}, "Wiki Setup";
 290                 if ($form->submitted && $form->submitted eq "Wiki Setup") {
 291                         showform($params{cgi}, $params{session});
 292                         exit;
 293                 }
 294         }
 295 } #}}}
 296
 297 1