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