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sso-wordpress-plugin/sso-wordpress-plugin.php

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+<?php
+/**
+ * Plugin Name:       SSO Login Button
+ * Description:       Adds a shortcode to display an SSO login button.
+ * Version:           1.0.0
+ * Author:            Gemini
+ * License:           GPL-2.0-or-later
+ * License URI:       https://www.gnu.org/licenses/gpl-2.0.html
+ * Text Domain:       sso-login-button
+ */
+
+if ( ! defined( 'ABSPATH' ) ) {
+    exit; // Exit if accessed directly.
+}
+
+// Will add plugin code here.
+
+/**
+ * Shortcode function to display the SSO login button.
+ *
+ * @return string The HTML for the login button.
+ */
+function sso_login_button_shortcode() {
+    // The button HTML. The actual script will be enqueued separately.
+    return '<button id="sso-login-btn">Login with SSO</button>';
+}
+add_shortcode( 'sso_login_button', 'sso_login_button_shortcode' );
+
+/**
+ * Enqueue scripts and styles.
+ */
+function sso_enqueue_scripts() {
+    // Only enqueue the script if the shortcode is present on the page.
+    // Note: This is a simplified check. A more robust solution might be needed for complex cases.
+    global $post;
+    if ( is_a( $post, 'WP_Post' ) && has_shortcode( $post->post_content, 'sso_login_button' ) ) {
+        wp_enqueue_script(
+            'sso-login-script',
+            plugin_dir_url( __FILE__ ) . 'js/sso-login.js',
+            array(),
+            '1.0.0',
+            true
+        );
+
+        // Pass the SSO URL to the script.
+        // We'll make this dynamic with a settings page later.
+        $sso_url = get_option('sso_plugin_url', 'http://localhost:5000/');
+        wp_localize_script(
+            'sso-login-script',
+            'ssoSettings',
+            array(
+                'ssoUrl' => esc_url( $sso_url ),
+            )
+        );
+    }
+}
+add_action( 'wp_enqueue_scripts', 'sso_enqueue_scripts' );
+
+/**
+ * Admin Menu and Settings
+ */
+
+// Add the settings page to the admin menu
+function sso_plugin_add_settings_page() {
+    add_options_page(
+        'SSO Settings',
+        'SSO Login',
+        'manage_options',
+        'sso-plugin-settings',
+        'sso_plugin_render_settings_page'
+    );
+}
+add_action( 'admin_menu', 'sso_plugin_add_settings_page' );
+
+// Render the settings page HTML
+function sso_plugin_render_settings_page() {
+    ?>
+    <div class="wrap">
+        <h1>SSO Login Settings</h1>
+        <form action="options.php" method="post">
+            <?php
+            settings_fields( 'sso_plugin_options' );
+            do_settings_sections( 'sso_plugin_settings' );
+            ?>
+            <input
+                type="text"
+                name="sso_plugin_url"
+                value="<?php echo esc_attr( get_option( 'sso_plugin_url' ) ); ?>"
+                size="50"
+                placeholder="Enter the full SSO URL"
+            />
+            <?php submit_button( 'Save Settings' ); ?>
+        </form>
+    </div>
+    <?php
+}
+
+// Register the setting
+function sso_plugin_register_settings() {
+    register_setting(
+        'sso_plugin_options',
+        'sso_plugin_url',
+        [
+            'type' => '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' );
+
+
+