E-TALK Authentication API

<?php /** * Complete WordPress Integration for E-TALK Login * Add this to your theme's functions.php */ // 1. Create REST API endpoints add_action('rest_api_init', function() { register_rest_route('etalk/v1', '/request-otp', [ 'methods' => 'POST', 'callback' => 'etalk_proxy_request_otp', 'permission_callback' => '__return_true' ]); register_rest_route('etalk/v1', '/verify-otp', [ 'methods' => 'POST', 'callback' => 'etalk_proxy_verify_otp', 'permission_callback' => '__return_true' ]); }); // 2. Your E-TALK credentials define('ETALK_API_KEY', 'YOUR_API_KEY'); define('ETALK_API_SECRET', 'YOUR_API_SECRET'); define('ETALK_API_URL', 'https://rpc.webchain.e-talk.xyz'); // 3. Proxy: Request OTP function etalk_proxy_request_otp($request) { $params = $request->get_json_params(); $identifier = isset($params['identifier']) ? sanitize_text_field($params['identifier']) : ''; if (empty($identifier)) { return new WP_REST_Response(['error' => 'Identifier required'], 400); } $response = wp_remote_post(ETALK_API_URL . '/auth/request-otp', [ 'headers' => ['Content-Type' => 'application/json'], 'body' => json_encode([ 'api_key' => ETALK_API_KEY, 'api_secret' => ETALK_API_SECRET, 'identifier' => $identifier ]) ]); $body = json_decode(wp_remote_retrieve_body($response), true); return new WP_REST_Response($body, wp_remote_retrieve_response_code($response)); } // 4. Proxy: Verify OTP & Create WordPress User function etalk_proxy_verify_otp($request) { $params = $request->get_json_params(); $otp = isset($params['otp']) ? sanitize_text_field($params['otp']) : ''; if (empty($otp)) { return new WP_REST_Response(['error' => 'OTP required'], 400); } $response = wp_remote_post(ETALK_API_URL . '/auth/verify-otp', [ 'headers' => ['Content-Type' => 'application/json'], 'body' => json_encode([ 'api_key' => ETALK_API_KEY, 'api_secret' => ETALK_API_SECRET, 'otp' => $otp ]) ]); $body = json_decode(wp_remote_retrieve_body($response), true); // If verified, create/login WordPress user if ($body['success'] && $body['verified']) { $user_data = $body['user']; $user_id = etalk_create_wordpress_user($user_data); if ($user_id) { wp_set_current_user($user_id); wp_set_auth_cookie($user_id); $body['redirect'] = home_url('/dashboard'); $body['wp_user_id'] = $user_id; } } return new WP_REST_Response($body, wp_remote_retrieve_response_code($response)); } // 5. Create or login WordPress user function etalk_create_wordpress_user($user_data) { // Check if user exists by E-TALK ID $existing = get_users([ 'meta_key' => 'etalk_user_id', 'meta_value' => $user_data['user_id'], 'number' => 1, 'fields' => 'ID' ]); if (!empty($existing)) { return $existing[0]; } // Create new user $username = str_replace('.etk', '', $user_data['etk_name']) ?: 'user_' . $user_data['user_id']; $email = $user_data['email'] ?? $user_data['user_id'] . '@etalk.user'; $user_id = wp_create_user($username, wp_generate_password(), $email); if (!is_wp_error($user_id)) { wp_update_user(['ID' => $user_id, 'display_name' => $user_data['display_name']]); update_user_meta($user_id, 'etalk_user_id', $user_data['user_id']); update_user_meta($user_id, 'etalk_etk_name', $user_data['etk_name']); update_user_meta($user_id, 'etalk_wallet', $user_data['wallet_address']); } return $user_id; } // 6. Shortcode for login button add_shortcode('etalk_login', function() { if (is_user_logged_in()) { return '<p>Welcome! <a href="' . wp_logout_url(home_url()) . '">Logout</a></p>'; } $rest_url = get_rest_url(null, 'etalk/v1'); ob_start(); ?> <div id="etalk-login"> <input type="text" id="etalk-id" placeholder="yourname.etk"> <button id="etalk-request">Continue</button> <div id="etalk-otp-box" style="display:none"> <input type="text" id="etalk-code" placeholder="Enter 6-digit code"> <button id="etalk-verify">Login</button> </div> <div id="etalk-msg"></div> </div> <script> const API_URL = '<?php echo $rest_url; ?>'; document.getElementById('etalk-request').onclick = async () => { const id = document.getElementById('etalk-id').value; const res = await fetch(API_URL + '/request-otp', { method: 'POST', body: JSON.stringify({ identifier: id }), headers: {'Content-Type': 'application/json'} }); const data = await res.json(); if (data.success) { document.getElementById('etalk-otp-box').style.display = 'block'; document.getElementById('etalk-msg').innerHTML = '<span style="color:#4CAF50">✓ Code sent</span>'; } else { document.getElementById('etalk-msg').innerHTML = '<span style="color:#ff6a00">Error: ' + data.error + '</span>'; } }; document.getElementById('etalk-verify').onclick = async () => { const code = document.getElementById('etalk-code').value; const res = await fetch(API_URL + '/verify-otp', { method: 'POST', body: JSON.stringify({ otp: code }), headers: {'Content-Type': 'application/json'} }); const data = await res.json(); if (data.success && data.verified) { window.location.href = data.redirect || window.location.href; } else { document.getElementById('etalk-msg').innerHTML = '<span style="color:#ff6a00">Invalid code</span>'; } }; </script> <?php return ob_get_clean(); });