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Allow single sites to override multisite settings
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Sometimes there are “oddball” single sites in a network that need to be
configured differently than the rest. This feature (under Authorizer
options > Advanced) allows you to ignore the multisite settings and
configure a site independently.
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@figureone
figureone committed Nov 27, 2015
1 parent 526c79c commit 9270041
Showing 1 changed file with 71 additions and 27 deletions.
98 changes: 71 additions & 27 deletions authorizer.php
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Expand Up @@ -1022,7 +1022,7 @@ public function restrict_access( $wp ) {
// Always allow access if WordPress is installing
( defined( 'WP_INSTALLING' ) && isset( $_GET['key'] ) ) ||
// Always allow access to admins
( is_admin() ) ||
( current_user_can( 'create_users' ) ) ||
// Allow access if option is set to 'everyone'
( $auth_settings['access_who_can_view'] == 'everyone' ) ||
// Allow access to approved external users and logged in users if option is set to 'logged_in_users'
Expand Down Expand Up @@ -1921,6 +1921,16 @@ public function page_init() {
'authorizer', // Page this setting is shown on (slug)
'auth_settings_advanced' // Section this setting is shown on
);
// On multisite installs, add an option to override all multisite settings on individual sites.
if ( is_multisite() ) {
add_settings_field(
'auth_settings_advanced_override_multisite', // HTML element ID
'Override multisite options', // HTML element Title
array( $this, 'print_checkbox_auth_advanced_override_multisite' ), // Callback (echos form element)
'authorizer', // Page this setting is shown on (slug)
'auth_settings_advanced' // Section this setting is shown on
);
}
} // END page_init()


Expand Down Expand Up @@ -2107,6 +2117,9 @@ function set_default_options() {
if ( ! array_key_exists( 'advanced_usermeta', $auth_settings ) ) {
$auth_settings['advanced_usermeta'] = '';
}
if ( ! array_key_exists( 'advanced_override_multisite', $auth_settings ) ) {
$auth_settings['advanced_override_multisite'] = '';
}

// Save default options to database.
update_option( 'auth_settings', $auth_settings );
Expand Down Expand Up @@ -2491,11 +2504,13 @@ function print_combo_auth_access_users_approved( $args = '' ) {
$auth_settings_option = is_array( $auth_settings_option ) ? $auth_settings_option : array();

// Get multisite approved users (add them to top of list, greyed out).
$auth_override_multisite = $this->get_plugin_option( 'advanced_override_multisite' );
$auth_multisite_settings = $this->get_plugin_options( 'multisite admin' );
$option_multisite = 'access_users_approved';
$auth_settings_option_multisite = array();
if (
is_multisite() &&
$auth_override_multisite != '1' &&
array_key_exists( 'multisite_override', $auth_multisite_settings ) &&
$auth_multisite_settings['multisite_override'] === '1'
) {
Expand Down Expand Up @@ -2714,14 +2729,17 @@ function print_radio_auth_access_who_can_login( $args = '' ) {
$admin_mode = ( is_array( $args ) && array_key_exists( 'multisite_admin', $args ) && $args['multisite_admin'] === true ) ? 'multisite admin' : 'single admin';
$auth_settings_option = $this->get_plugin_option( $option, $admin_mode, 'allow override', 'print overlay' );

// Workaround: javascript code hides/shows other settings based
// on the selection in this option. If this option is overridden
// by a multisite option, it should show that value in order to
// correctly display the other appropriate options.
// Side effect: this site option will be overwritten by the
// multisite option on save. Since this is a 2-item radio, we
// determined this was acceptable.
if ( is_multisite() && $admin_mode === 'single admin' && $this->get_plugin_option( 'multisite_override', 'multisite admin' ) === '1' ) {
// If this site is configured independently of any multisite overrides, make sure we are not grabbing the multisite value; otherwise, grab the multisite value to show behind the disabled overlay.
if ( is_multisite() && $this->get_plugin_option( 'advanced_override_multisite' ) == '1' ) {
$auth_settings_option = $this->get_plugin_option( $option );
} else if ( is_multisite() && $admin_mode === 'single admin' && $this->get_plugin_option( 'multisite_override', 'multisite admin' ) === '1' ) {
// Workaround: javascript code hides/shows other settings based
// on the selection in this option. If this option is overridden
// by a multisite option, it should show that value in order to
// correctly display the other appropriate options.
// Side effect: this site option will be overwritten by the
// multisite option on save. Since this is a 2-item radio, we
// determined this was acceptable.
$auth_settings_option = $this->get_plugin_option( $option, 'multisite admin' );
}

Expand Down Expand Up @@ -2836,14 +2854,17 @@ function print_radio_auth_access_who_can_view( $args = '' ) {
$admin_mode = ( is_array( $args ) && array_key_exists( 'multisite_admin', $args ) && $args['multisite_admin'] === true ) ? 'multisite admin' : 'single admin';
$auth_settings_option = $this->get_plugin_option( $option, $admin_mode, 'allow override', 'print overlay' );

// Workaround: javascript code hides/shows other settings based
// on the selection in this option. If this option is overridden
// by a multisite option, it should show that value in order to
// correctly display the other appropriate options.
// Side effect: this site option will be overwritten by the
// multisite option on save. Since this is a 2-item radio, we
// determined this was acceptable.
if ( is_multisite() && $admin_mode === 'single admin' && $this->get_plugin_option( 'multisite_override', 'multisite admin' ) === '1' ) {
// If this site is configured independently of any multisite overrides, make sure we are not grabbing the multisite value; otherwise, grab the multisite value to show behind the disabled overlay.
if ( is_multisite() && $this->get_plugin_option( 'advanced_override_multisite' ) == '1' ) {
$auth_settings_option = $this->get_plugin_option( $option );
} else if ( is_multisite() && $admin_mode === 'single admin' && $this->get_plugin_option( 'multisite_override', 'multisite admin' ) === '1' ) {
// Workaround: javascript code hides/shows other settings based
// on the selection in this option. If this option is overridden
// by a multisite option, it should show that value in order to
// correctly display the other appropriate options.
// Side effect: this site option will be overwritten by the
// multisite option on save. Since this is a 2-item radio, we
// determined this was acceptable.
$auth_settings_option = $this->get_plugin_option( $option, 'multisite admin' );
}

Expand Down Expand Up @@ -3377,6 +3398,15 @@ function print_select_auth_advanced_usermeta( $args = '' ) {
</select><?php
} // END print_select_auth_advanced_usermeta()

function print_checkbox_auth_advanced_override_multisite( $args = '' ) {
// Get plugin option.
$option = 'advanced_override_multisite';
$auth_settings_option = $this->get_plugin_option( $option );

// Print option elements.
?><input type="checkbox" id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]" value="1"<?php checked( 1 == $auth_settings_option ); ?> /><label for="auth_settings_<?php echo $option; ?>">Configure this site independently (don't inherit any multisite settings)</label><?php
} // END print_checkbox_auth_advanced_override_multisite()



/**
Expand Down Expand Up @@ -4227,14 +4257,15 @@ private function get_plugin_option( $option, $admin_mode = 'single admin', $over
return null;
}

// If the requested and appropriate, print the overlay hiding the
// If requested and appropriate, print the overlay hiding the
// single site option that is overridden by a multisite option.
if (
$admin_mode !== 'multisite admin' &&
$override_mode === 'allow override' &&
$print_mode === 'print overlay' &&
array_key_exists( 'multisite_override', $auth_settings ) &&
$auth_settings['multisite_override'] === '1'
$auth_settings['multisite_override'] === '1' &&
( ! array_key_exists( 'advanced_override_multisite', $auth_settings ) || $auth_settings['advanced_override_multisite'] != '1' )
) {
// Get original plugin options (not overridden value). We'll
// show this old value behind the disabled overlay.
Expand All @@ -4250,6 +4281,12 @@ private function get_plugin_option( $option, $admin_mode = 'single admin', $over
<?php
}

// If we're getting an option in a site that has overridden the multisite override, make
// sure we are returning the option value from that site (not the multisite value).
if ( array_key_exists( 'advanced_override_multisite', $auth_settings ) && $auth_settings['advanced_override_multisite'] == '1' ) {
$auth_settings = $this->get_plugin_options( $admin_mode, 'no override' );
}

return $auth_settings[$option];
}

Expand All @@ -4269,8 +4306,8 @@ private function get_plugin_options( $admin_mode = 'single admin', $override_mod
$auth_settings = array();
}

// Merge multisite options if we're in a network.
if ( is_multisite() ) {
// Merge multisite options if we're in a network and the current site hasn't overridden multisite settings.
if ( is_multisite() && ( ! array_key_exists( 'advanced_override_multisite', $auth_settings ) || $auth_settings['advanced_override_multisite'] != '1' ) ) {
// Get multisite options.
$auth_multisite_settings = get_blog_option( BLOG_ID_CURRENT_SITE, 'auth_multisite_settings', array() );

Expand Down Expand Up @@ -4494,12 +4531,19 @@ function is_email_in_list( $email = '', $list = 'approved', $multisite_mode = 's
break;
case 'approved':
default:
$auth_settings_access_users_approved = $multisite_mode !== 'single' ?
$this->get_plugin_option( 'access_users_approved', 'multisite admin' )
: array_merge(
$this->get_plugin_option( 'access_users_approved', 'single admin' ),
$this->get_plugin_option( 'access_users_approved', 'multisite admin' )
);
if ( $multisite_mode !== 'single' ) {
// Get multisite users only.
$auth_settings_access_users_approved = $this->get_plugin_option( 'access_users_approved', 'multisite admin' );
} else if ( is_multisite() && $this->get_plugin_option( 'advanced_override_multisite' ) == '1' ) {
// This site has overridden any multisite settings, so only get its users.
$auth_settings_access_users_approved = $this->get_plugin_option( 'access_users_approved', 'single admin' );
} else {
// Get all site users and all multisite users.
$auth_settings_access_users_approved = array_merge(
$this->get_plugin_option( 'access_users_approved', 'single admin' ),
$this->get_plugin_option( 'access_users_approved', 'multisite admin' )
);
}
return $this->in_multi_array( $email, $auth_settings_access_users_approved );
break;
}
Expand Down

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