compatibility
8 months ago
class-api-handler.php
8 months ago
class-easy-payment-authorizenet-gateway.php
8 months ago
class-webhook-handler.php
8 months ago
class-webhook-handler.php
289 lines
| 1 | <?php |
| 2 | |
| 3 | if (!defined('ABSPATH')) |
| 4 | exit; |
| 5 | |
| 6 | class EASYAUTHNET_AuthorizeNet_Webhook_Handler { |
| 7 | |
| 8 | protected static $debug_mode = 'no'; |
| 9 | protected static $environment = 'sandbox'; |
| 10 | protected static $transaction_type = 'auth_capture'; |
| 11 | |
| 12 | public static function handle(WP_REST_Request $request = null) { |
| 13 | $settings = get_option('woocommerce_easyauthnet_authorizenet_settings', []); |
| 14 | self::$debug_mode = isset($settings['debug']) ? sanitize_text_field($settings['debug']) : 'no'; |
| 15 | self::$environment = isset($settings['environment']) ? sanitize_text_field($settings['environment']) : 'sandbox'; |
| 16 | self::$transaction_type = isset($settings['transaction_type']) ? sanitize_text_field($settings['transaction_type']) : 'auth_capture'; |
| 17 | |
| 18 | // Note: Raw body must be read unmodified for signature verification. |
| 19 | $raw_body = file_get_contents('php://input'); |
| 20 | |
| 21 | if (empty($raw_body)) { |
| 22 | return new WP_REST_Response(['status' => 'missing_body'], 400); |
| 23 | } |
| 24 | |
| 25 | $data = json_decode($raw_body, true); |
| 26 | |
| 27 | if (!is_array($data)) { |
| 28 | return new WP_REST_Response(['status' => 'invalid_json'], 400); |
| 29 | } |
| 30 | |
| 31 | self::log( |
| 32 | 'Webhook Raw Data', |
| 33 | is_array($data) ? array_map( |
| 34 | function ($v) { |
| 35 | return is_scalar($v) ? sanitize_text_field(wp_unslash($v)) : $v; |
| 36 | }, |
| 37 | $data |
| 38 | ) : [] |
| 39 | ); |
| 40 | |
| 41 | // Sanitize signature header |
| 42 | $signature_header = isset($_SERVER['HTTP_X_ANET_SIGNATURE']) ? sanitize_text_field(wp_unslash($_SERVER['HTTP_X_ANET_SIGNATURE'])) : ''; |
| 43 | |
| 44 | // Validate structure |
| 45 | if (empty($data['eventType']) || empty($data['payload']) || empty($signature_header)) { |
| 46 | return new WP_REST_Response(['status' => 'invalid_payload_or_signature'], 400); |
| 47 | } |
| 48 | |
| 49 | // Verify signature |
| 50 | if (!self::verify_signature($raw_body, $signature_header)) { |
| 51 | self::log('Signature mismatch — webhook rejected', [], 'warning'); |
| 52 | return new WP_REST_Response(['status' => 'unauthorized'], 401); |
| 53 | } |
| 54 | |
| 55 | $event_type = sanitize_text_field($data['eventType']); |
| 56 | $payload = is_array($data['payload']) ? $data['payload'] : []; |
| 57 | |
| 58 | self::log("Webhook received: {$event_type}", $payload); |
| 59 | |
| 60 | switch ($event_type) { |
| 61 | case 'net.authorize.payment.authcapture.created': |
| 62 | case 'net.authorize.payment.priorAuthCapture.created': |
| 63 | self::handle_capture($payload); |
| 64 | break; |
| 65 | case 'net.authorize.payment.void.created': |
| 66 | self::handle_void($payload); |
| 67 | break; |
| 68 | case 'net.authorize.payment.refund.created': |
| 69 | self::handle_refund($payload); |
| 70 | break; |
| 71 | default: |
| 72 | do_action('easyauthnet_authorizenet_webhook_' . $event_type, $payload); |
| 73 | break; |
| 74 | } |
| 75 | |
| 76 | return new WP_REST_Response(['status' => 'ok'], 200); |
| 77 | } |
| 78 | |
| 79 | protected static function verify_signature($rawPayload, $receivedSignature) { |
| 80 | $settings = get_option('woocommerce_easyauthnet_authorizenet_settings', []); |
| 81 | $signatureKey = self::$environment === 'live' ? sanitize_text_field($settings['live_signature_key'] ?? '') : sanitize_text_field($settings['sandbox_signature_key'] ?? ''); |
| 82 | |
| 83 | if (empty($signatureKey)) { |
| 84 | self::log("Missing signature key for environment: " . self::$environment, [], 'warning'); |
| 85 | http_response_code(401); |
| 86 | return false; |
| 87 | } |
| 88 | |
| 89 | $calculatedHash = strtoupper(hash_hmac('sha512', $rawPayload, $signatureKey)); |
| 90 | $expectedSignature = "sha512={$calculatedHash}"; |
| 91 | |
| 92 | self::log("Expected Signature: {$expectedSignature}", [], 'debug'); |
| 93 | self::log("Received Signature: {$receivedSignature}", [], 'debug'); |
| 94 | |
| 95 | if (hash_equals($expectedSignature, $receivedSignature)) { |
| 96 | self::log("� |
| 97 | Webhook signature verified successfully."); |
| 98 | http_response_code(200); |
| 99 | return true; |
| 100 | } |
| 101 | |
| 102 | self::log("❌ Webhook signature mismatch.", [], 'warning'); |
| 103 | http_response_code(401); |
| 104 | return false; |
| 105 | } |
| 106 | |
| 107 | protected static function handle_capture($payload) { |
| 108 | $transaction_id = sanitize_text_field($payload['id'] ?? ''); |
| 109 | $order_id = absint($payload['merchantReferenceId'] ?? $payload['invoiceNumber'] ?? 0); |
| 110 | $capture_amount = floatval($payload['authAmount'] ?? 0); |
| 111 | |
| 112 | if ($transaction_id && $order_id && $order = wc_get_order($order_id)) { |
| 113 | $current_status = $order->get_status(); |
| 114 | $order_total = $order->get_total(); |
| 115 | |
| 116 | if ($capture_amount <= 0) { |
| 117 | $capture_amount = $order_total; |
| 118 | self::log("Amount not found in capture webhook, using order total", [ |
| 119 | 'order_total' => $order_total, |
| 120 | 'used_amount' => $capture_amount |
| 121 | ], 'warning'); |
| 122 | } |
| 123 | |
| 124 | if (in_array($current_status, ['pending', 'on-hold', 'processing'], true)) { |
| 125 | if (abs($capture_amount - $order_total) < 0.01) { |
| 126 | $order->update_status('completed'); |
| 127 | $note = sprintf( |
| 128 | __('Payment captured by Authorize.Net. Transaction ID: %1$s. Amount: %2$s', 'payment-gateway-for-authorize-net-for-woocommerce'), |
| 129 | esc_html($transaction_id), |
| 130 | wc_price($capture_amount) |
| 131 | ); |
| 132 | self::log("Order #{$order_id} fully captured from webhook", [ |
| 133 | 'transaction_id' => $transaction_id, |
| 134 | 'amount' => $capture_amount |
| 135 | ]); |
| 136 | } else { |
| 137 | $order->update_status('on-hold'); |
| 138 | $note = sprintf( |
| 139 | __('Partial payment captured by Authorize.Net. Transaction ID: %1$s. Amount: %2$s', 'payment-gateway-for-authorize-net-for-woocommerce'), |
| 140 | esc_html($transaction_id), |
| 141 | wc_price($capture_amount) |
| 142 | ); |
| 143 | self::log("Order #{$order_id} partially captured from webhook", [ |
| 144 | 'transaction_id' => $transaction_id, |
| 145 | 'captured_amount' => $capture_amount, |
| 146 | 'order_total' => $order_total |
| 147 | ]); |
| 148 | } |
| 149 | |
| 150 | $order->add_order_note($note); |
| 151 | } else { |
| 152 | self::log("Capture webhook skipped for order #{$order_id} with status: {$current_status}", [ |
| 153 | 'transaction_id' => $transaction_id |
| 154 | ]); |
| 155 | } |
| 156 | } |
| 157 | } |
| 158 | |
| 159 | protected static function handle_void($payload) { |
| 160 | $transaction_id = sanitize_text_field($payload['id'] ?? ''); |
| 161 | $auth_code = sanitize_text_field($payload['authCode'] ?? ''); |
| 162 | $order_id = absint($payload['merchantReferenceId'] ?? $payload['invoiceNumber'] ?? 0); |
| 163 | $void_amount = floatval($payload['authAmount'] ?? 0); |
| 164 | |
| 165 | if ($transaction_id && $order_id && $order = wc_get_order($order_id)) { |
| 166 | $current_status = $order->get_status(); |
| 167 | $order_total = $order->get_total(); |
| 168 | |
| 169 | if ($void_amount <= 0) { |
| 170 | $void_amount = $order_total; |
| 171 | self::log("Amount not found in void webhook, using order total", [ |
| 172 | 'order_total' => $order_total, |
| 173 | 'used_amount' => $void_amount |
| 174 | ], 'warning'); |
| 175 | } |
| 176 | |
| 177 | if (!in_array($current_status, ['cancelled', 'refunded'], true)) { |
| 178 | if (abs($void_amount - $order_total) < 0.01) { |
| 179 | $order->update_status('cancelled'); |
| 180 | $note = sprintf( |
| 181 | __('Payment voided by Authorize.Net. Transaction ID: %1$s. Amount: %2$s', 'payment-gateway-for-authorize-net-for-woocommerce'), |
| 182 | esc_html($transaction_id), |
| 183 | wc_price($void_amount) |
| 184 | ); |
| 185 | self::log("Order #{$order_id} fully voided from webhook", [ |
| 186 | 'transaction_id' => $transaction_id, |
| 187 | 'amount' => $void_amount |
| 188 | ]); |
| 189 | } else { |
| 190 | $order->update_status('on-hold'); |
| 191 | $note = sprintf( |
| 192 | __('Partial payment voided by Authorize.Net. Transaction ID: %1$s. Amount: %2$s', 'payment-gateway-for-authorize-net-for-woocommerce'), |
| 193 | esc_html($transaction_id), |
| 194 | wc_price($void_amount) |
| 195 | ); |
| 196 | self::log("Order #{$order_id} partially voided from webhook", [ |
| 197 | 'transaction_id' => $transaction_id, |
| 198 | 'voided_amount' => $void_amount, |
| 199 | 'order_total' => $order_total |
| 200 | ]); |
| 201 | } |
| 202 | |
| 203 | $order->add_order_note($note); |
| 204 | } else { |
| 205 | self::log("Void webhook skipped for order #{$order_id} with status: {$current_status}", [ |
| 206 | 'transaction_id' => $transaction_id |
| 207 | ]); |
| 208 | } |
| 209 | } |
| 210 | } |
| 211 | |
| 212 | protected static function handle_refund($payload) { |
| 213 | $transaction_id = sanitize_text_field($payload['id'] ?? ''); |
| 214 | $auth_code = sanitize_text_field($payload['authCode'] ?? ''); |
| 215 | $order_id = absint($payload['merchantReferenceId'] ?? $payload['invoiceNumber'] ?? 0); |
| 216 | $refund_amount = floatval($payload['authAmount'] ?? 0); |
| 217 | |
| 218 | if ($transaction_id && $order_id && $order = wc_get_order($order_id)) { |
| 219 | $current_status = $order->get_status(); |
| 220 | $order_total = $order->get_total(); |
| 221 | $remaining_balance = $order_total - $order->get_total_refunded(); |
| 222 | |
| 223 | if ($refund_amount <= 0) { |
| 224 | $refund_amount = $remaining_balance; |
| 225 | self::log("Amount not found in refund webhook, using remaining balance", [ |
| 226 | 'order_total' => $order_total, |
| 227 | 'already_refunded' => $order->get_total_refunded(), |
| 228 | 'remaining_balance' => $remaining_balance, |
| 229 | 'used_amount' => $refund_amount |
| 230 | ], 'warning'); |
| 231 | } |
| 232 | |
| 233 | if ($current_status !== 'refunded') { |
| 234 | if (abs($refund_amount - $remaining_balance) < 0.01) { |
| 235 | $order->update_status('refunded'); |
| 236 | $note = sprintf( |
| 237 | __('Order refunded by Authorize.Net. Transaction ID: %1$s. Amount: %2$s', 'payment-gateway-for-authorize-net-for-woocommerce'), |
| 238 | esc_html($transaction_id), |
| 239 | wc_price($refund_amount) |
| 240 | ); |
| 241 | self::log("Order #{$order_id} fully refunded from webhook", [ |
| 242 | 'transaction_id' => $transaction_id, |
| 243 | 'amount' => $refund_amount |
| 244 | ]); |
| 245 | } else { |
| 246 | $note = sprintf( |
| 247 | __('Partial refund processed by Authorize.Net. Transaction ID: %1$s. Amount: %2$s', 'payment-gateway-for-authorize-net-for-woocommerce'), |
| 248 | esc_html($transaction_id), |
| 249 | wc_price($refund_amount) |
| 250 | ); |
| 251 | self::log("Order #{$order_id} partially refunded from webhook", [ |
| 252 | 'transaction_id' => $transaction_id, |
| 253 | 'refunded_amount' => $refund_amount, |
| 254 | 'order_total' => $order_total, |
| 255 | 'remaining_balance' => $remaining_balance |
| 256 | ]); |
| 257 | } |
| 258 | |
| 259 | $order->add_order_note($note); |
| 260 | } else { |
| 261 | self::log("Refund webhook skipped for order #{$order_id} (already refunded)", [ |
| 262 | 'transaction_id' => $transaction_id |
| 263 | ]); |
| 264 | } |
| 265 | } |
| 266 | } |
| 267 | |
| 268 | protected static function log($message, $context = [], $level = 'info') { |
| 269 | if (!class_exists('WC_Logger')) { |
| 270 | return; |
| 271 | } |
| 272 | |
| 273 | if (!in_array($level, ['warning', 'error'], true) && self::$debug_mode !== 'yes') { |
| 274 | return; |
| 275 | } |
| 276 | |
| 277 | $logger = wc_get_logger(); |
| 278 | $log_context = ['source' => 'easyauthnet_authorizenet']; |
| 279 | $formatted_context = !empty($context) ? wp_json_encode($context, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES) : ''; |
| 280 | $full_message = $message . ($formatted_context ? "\n" . $formatted_context : ''); |
| 281 | |
| 282 | if (method_exists($logger, $level)) { |
| 283 | $logger->{$level}($full_message, $log_context); |
| 284 | } else { |
| 285 | $logger->info($full_message, $log_context); |
| 286 | } |
| 287 | } |
| 288 | } |
| 289 |