/* 5. General Layout & Typography */
body {
font-size: 17px;
line-height: 1.7;
color: #333;
}
.sso-container {
max-width: 1040px;
margin: 0 auto;
padding: 0 24px;
}
/* Adjusting the main content area if a theme uses this common class */
.site-content {
max-width: 1040px;
margin: 0 auto;
padding: 0 24px;
}
/* Remove extra top margin from the first section title after the hero */
.entry-header + h2,
.entry-header + .widget-title {
margin-top: 0;
}
/* 1. Hero Header Section */
.entry-header {
position: relative;
padding: 72px 24px 56px;
/* Negative margin to break out of a constrained container and go full-width */
margin-left: calc(50% - 50vw);
margin-right: calc(50% - 50vw);
margin-bottom: 48px;
background: linear-gradient(145deg, #1a2a3a, #3a4a5a); /* Dark blue-gray gradient */
color: #fff;
text-align: center;
}
/* Clean up spacing if the header is inside the main content area */
.site-content .entry-header {
margin-top: 0;
}
body.home .entry-header {
margin-top: -20px; /* Adjust as needed for specific themes */
}
.page-title, .entry-title {
margin: 0;
font-size: clamp(44px, 5vw, 64px) !important;
letter-spacing: -0.02em;
color: #6868AC !important; /* Custom page title color */
text-align: center;
margin-bottom: 0;
}
.page-title::after, .entry-title::after {
content: "This page demonstrates a seamless single sign-on integration for WordPress.";
display: block;
margin-top: 12px;
text-align: center;
opacity: 0.9;
font-size: 16px;
font-weight: normal;
letter-spacing: normal;
color: #fff; /* Ensure subtitle stays white */
}
/* 4. Section Title Divider */
h2, .widget-title {
font-size: 2.5rem;
margin-top: 64px;
margin-bottom: 32px;
padding-bottom: 16px;
border-bottom: 2px solid #eee;
}
/* 2. Login Status Badge & Button Container */
#sso-fixed-button {
position: fixed;
top: 10px;
right: 15px;
z-index: 99999;
display: flex;
align-items: center;
gap: 10px;
}
body.admin-bar #sso-fixed-button {
top: 42px;
}
.sso-status-badge {
display: inline-block;
padding: 6px 10px;
background-color: rgba(0,0,0,0.1);
color: #333;
border-radius: 5px;
font-size: 12px;
font-weight: 500;
}
body.admin-bar .sso-status-badge {
background-color: rgba(255,255,255,0.8);
}
/* 6. Product-style Button */
#sso-fixed-button a {
display: inline-flex;
align-items: center;
height: 42px;
padding: 0 14px;
background-color: #A19FE7; /* Custom button color */
color: #fff !important;
border: 1px solid rgba(0,0,0,0.1);
border-radius: 6px;
text-decoration: none !important;
font-weight: bold;
box-shadow: 0 2px 4px rgba(0,0,0,0.1);
transition: transform 0.15s ease, filter 0.15s ease, box-shadow 0.15s ease;
}
#sso-fixed-button a:hover {
transform: translateY(-2px);
filter: brightness(1.1);
box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}
#sso-fixed-button a:active {
transform: translateY(0);
filter: brightness(1.0);
box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
/* 3. Post Card Styling */
.post, .article {
background-color: #ffffff;
border: 1px solid #e0e0e0;
border-radius: 8px;
padding: 24px;
margin-bottom: 24px;
box-shadow: 0 4px 6px rgba(0,0,0,0.05);
transition: box-shadow 0.3s ease, transform 0.3s ease;
}
.post:hover, .article:hover {
transform: translateY(-3px);
box-shadow: 0 7px 14px rgba(0,0,0,0.07);
}
.post .entry-title, .article .entry-title {
font-size: 24px !important;
margin-bottom: 12px;
color: #1a2a3a !important;
}
.post .entry-summary, .post .entry-content,
.article .entry-summary, .article .entry-content {
font-size: 16px;
color: #555;
line-height: 1.7;
}
/* Remove the old divider */
.post + .post, .article + .article {
border-top: none;
padding-top: 24px;
margin-top: 0;
}
/* 7. Call-to-Action Banner */
.sso-cta-banner {
background-color: #f0f7ff;
border: 1px solid #b3d7ff;
border-radius: 6px;
padding: 20px 24px;
margin-bottom: 48px;
text-align: center;
color: #004085;
}
.sso-cta-banner p {
margin: 0;
font-size: 16px;
font-weight: 500;
}
';
}
add_action( 'wp_head', 'sso_custom_styles' );
// =============================================================================
// 2. PUBLIC-FACING FEATURES (LOGIN/LOGOUT BUTTON)
// =============================================================================
/**
* Injects a fixed login/logout button at the top of the body.
*/
function sso_inject_header_button() {
// Don't show on admin pages or the login page itself.
if ( is_admin() || $GLOBALS['pagenow'] === 'wp-login.php' ) {
return;
}
echo '';
}
add_action( 'wp_body_open', 'sso_inject_header_button' );
/**
* Injects a Call-to-Action banner before the main content loop.
*/
function sso_add_cta_banner() {
// Show only on the main blog/posts page and when the user is not logged in.
if ( is_home() && ! is_user_logged_in() ) {
echo '
SSO로 로그인하면 회원 전용 글을 확인할 수 있습니다.
';
}
}
add_action( 'loop_start', 'sso_add_cta_banner' );
/**
* Filters the document title to display a custom title.
*
* @param string $title The original title.
* @return string The modified title.
*/
function sso_custom_document_title( $title ) {
return 'PHP SSO Login Demo';
}
add_filter( 'pre_get_document_title', 'sso_custom_document_title', 9999 );
/**
* Adds the JavaScript for the SSO popup to the footer.
*/
function sso_add_popup_script() {
?>
';
// print_r($payload);
// echo '';
// wp_die('JWT Payload Inspection. Check the subject field name.');
// --- END DEBUGGING ---
if ( ! isset( $payload->sub ) || empty( $payload->sub ) ) {
wp_die('SSO Error: User subject ID (sub) not found or is empty in token.');
return;
}
$sso_user_id = sanitize_text_field($payload->sub);
// --- End of Placeholder ---
// Find user by SSO subject ID meta field.
$users = get_users([
'meta_key' => 'sso_subject_id',
'meta_value' => $sso_user_id,
'number' => 1,
'count_total' => false
]);
$user = ! empty( $users ) ? $users[0] : null;
if ( ! $user ) {
// User does not exist, so create them.
// Use the SSO ID for the username, ensuring it's unique.
$username = sanitize_user( $sso_user_id );
$base_username = $username;
$i = 1;
while ( username_exists( $username ) ) {
$username = $base_username . $i++;
}
// Create a fake email, as it's required by WordPress but not by our SSO.
$user_email = $username . '@sso.local';
$user_id = wp_create_user( $username, wp_generate_password(), $user_email );
if ( is_wp_error( $user_id ) ) {
wp_die('Error creating SSO user: ' . $user_id->get_error_message());
}
// Store the SSO user ID for future lookups.
update_user_meta( $user_id, 'sso_subject_id', $sso_user_id );
$user = get_user_by( 'id', $user_id );
}
// Log the user in.
if ( $user ) {
wp_set_current_user( $user->ID );
wp_set_auth_cookie( $user->ID, true );
do_action( 'wp_login', $user->user_login, $user );
}
}
// =============================================================================
// 4. CONTENT ACCESS RESTRICTIONS
// =============================================================================
/**
* Redirects unauthenticated users from single posts to the SSO login page.
*/
function sso_restrict_single_posts() {
if ( is_single() && ! is_user_logged_in() ) {
$sso_frontend_url = get_option( 'sso_plugin_frontend_url' );
if ( ! empty( $sso_frontend_url ) ) {
$current_url = ( is_ssl() ? 'https' : 'http' ) . '://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
// The redirect URL for SSO is now a dedicated popup callback URL
$sso_callback_url = add_query_arg( 'sso_popup_callback', '1', $current_url );
$login_url = add_query_arg( 'redirect_url', urlencode( $sso_callback_url ), $sso_frontend_url );
wp_redirect( esc_url( $login_url ) );
exit;
}
}
}
// Let's disable this for now to simplify testing the popup button first.
// add_action( 'template_redirect', 'sso_restrict_single_posts' );
// =============================================================================
// 5. ADMIN SETTINGS PAGE
// =============================================================================
function sso_plugin_add_settings_page() {
add_options_page('Baron SSO Settings', 'Baron SSO Login', 'manage_options', 'baron-sso-settings', 'sso_plugin_render_settings_page');
}
add_action( 'admin_menu', 'sso_plugin_add_settings_page' );
function sso_plugin_render_settings_page() {
?>
'string',
'sanitize_callback' => 'esc_url_raw',
'default' => '',
]);
add_settings_section('sso_plugin_main_section', 'Main Settings', null, 'sso_plugin_settings');
}
add_action( 'admin_init', 'sso_plugin_register_settings' );