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111 lines
2.9 KiB
PHP
111 lines
2.9 KiB
PHP
<?php
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class OpenID_Connect_Generic_Login_Form {
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private $settings;
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private $client_wrapper;
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/**
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* @param $settings
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* @param $client_wrapper
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*/
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function __construct( $settings, $client_wrapper ){
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$this->settings = $settings;
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$this->client_wrapper = $client_wrapper;
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}
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/**
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* @param $settings
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* @param $client_wrapper
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*
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* @return \OpenID_Connect_Generic_Login_Form
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*/
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static public function register( $settings, $client_wrapper ){
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$login_form = new self( $settings, $client_wrapper );
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// alter the login form as dictated by settings
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add_filter( 'login_message', array( $login_form, 'handle_login_page' ), 99 );
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// add a shortcode for the login button
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add_shortcode( 'openid_connect_generic_login_button', array( $login_form, 'make_login_button' ) );
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return $login_form;
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}
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/**
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* Implements filter login_message
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*
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* @param $message
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* @return string
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*/
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function handle_login_page( $message ) {
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$settings = $this->settings;
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// errors and auto login can't happen at the same time
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if ( isset( $_GET['login-error'] ) ) {
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$message = $this->make_error_output( $_GET['login-error'], $_GET['message'] );
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}
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else if ( $settings->login_type == 'auto' ) {
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wp_redirect( $this->client_wrapper->get_authentication_url() );
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exit;
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}
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// login button is appended to existing messages in case of error
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if ( $settings->login_type == 'button' ) {
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$message .= $this->make_login_button();
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}
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return $message;
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}
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/**
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* Display an error message to the user
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*
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* @param $error_code
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*
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* @return string
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*/
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function make_error_output( $error_code, $error_message ) {
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ob_start();
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?>
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<div id="login_error">
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<strong><?php _e( 'ERROR'); ?>: </strong>
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<?php print $error_message; ?>
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</div>
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<?php
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return ob_get_clean();
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}
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/**
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* Create a login button (link)
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*
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* @return string
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*/
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function make_login_button() {
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$text = apply_filters( 'openid-connect-generic-login-button-text', __( 'Login with OpenID Connect' ) );
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$href = $this->client_wrapper->get_authentication_url();
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// record the URL of this page if set to redirect back to origin page
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if( $this->settings->redirect_user_back ) {
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$redirect_expiry = time() + DAY_IN_SECONDS;
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if ( $GLOBALS['pagenow'] == 'wp-login.php' ) {
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if( isset( $_REQUEST['redirect_to'] ) )
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$redirect_url = esc_url( $_REQUEST['redirect_to'] );
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else
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$redirect_url = admin_url();
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} else {
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$redirect_url = home_url( esc_url( add_query_arg( NULL, NULL ) ) );
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}
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setcookie( $this->client_wrapper->cookie_redirect_key, $redirect_url, $redirect_expiry, COOKIEPATH, COOKIE_DOMAIN, is_ssl() );
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}
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ob_start();
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?>
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<div class="openid-connect-login-button" style="margin: 1em 0; text-align: center;">
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<a class="button button-large" href="<?php print esc_url( $href ); ?>"><?php print $text; ?></a>
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</div>
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<?php
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return ob_get_clean();
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}
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}
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