CheckoutsController.php
| 1 | <?php |
| 2 | |
| 3 | namespace SureCart\Controllers\Rest; |
| 4 | |
| 5 | use SureCart\Models\Checkout; |
| 6 | use SureCart\Models\Form; |
| 7 | use SureCart\Models\Product; |
| 8 | use SureCart\Models\User; |
| 9 | use SureCart\WordPress\Users\CustomerLinkService; |
| 10 | use SureCart\WordPress\RecaptchaValidationService; |
| 11 | |
| 12 | /** |
| 13 | * Handle price requests through the REST API |
| 14 | */ |
| 15 | class CheckoutsController extends RestController { |
| 16 | /** |
| 17 | * Class to make the requests. |
| 18 | * |
| 19 | * @var string |
| 20 | */ |
| 21 | protected $class = Checkout::class; |
| 22 | |
| 23 | /** |
| 24 | * Middleware before we make the request. |
| 25 | * |
| 26 | * @param \SureCart\Models\Model $class Model class instance. |
| 27 | * @param \WP_REST_Request $request Request object. |
| 28 | * |
| 29 | * @return \SureCart\Models\Model|\WP_Error |
| 30 | */ |
| 31 | protected function middleware( $class, \WP_REST_Request $request ) { |
| 32 | return $this->maybeSetUser( $class, $request ); |
| 33 | } |
| 34 | |
| 35 | /** |
| 36 | * Edit model. |
| 37 | * |
| 38 | * @param \WP_REST_Request $request Rest Request. |
| 39 | * |
| 40 | * @return \WP_REST_Response|\WP_Error |
| 41 | */ |
| 42 | public function edit( \WP_REST_Request $request ) { |
| 43 | // if we have a password, hash it and set it in a transient. |
| 44 | // we need to do this because some processors will redirect and we will lose this form data. |
| 45 | if ( ! empty( $request->get_param( 'password' ) ) ) { |
| 46 | set_transient( 'sc_checkout_password_hash_' . $request['id'], wp_hash_password( $request->get_param( 'password' ) ), DAY_IN_SECONDS ); |
| 47 | } |
| 48 | |
| 49 | // edit the checkout. |
| 50 | $response = parent::edit( $request ); |
| 51 | |
| 52 | // check if the email exists and set on record. |
| 53 | if ( apply_filters( 'surecart/checkout/finduser', true ) ) { |
| 54 | if ( ! empty( $response->email ) ) { |
| 55 | $response->email_exists = (bool) email_exists( $response->email ); |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | return $response; |
| 60 | } |
| 61 | |
| 62 | /** |
| 63 | * Let's set the customer's email and name if they are already logged in. |
| 64 | * |
| 65 | * @param \SureCart\Models\Model $class Model class instance. |
| 66 | * @param \WP_REST_Request $request Request object. |
| 67 | * |
| 68 | * @return \SureCart\Models\Model|\WP_Error |
| 69 | */ |
| 70 | protected function maybeSetUser( \SureCart\Models\Model $class, \WP_REST_Request $request ) { |
| 71 | // get current user. |
| 72 | $user = User::current(); |
| 73 | |
| 74 | // must be logged in. |
| 75 | if ( ! $user ) { |
| 76 | return $class; |
| 77 | } |
| 78 | |
| 79 | // set the email. |
| 80 | $class['email'] = $user->user_email; |
| 81 | |
| 82 | // force the customer id, if it exists. |
| 83 | $customer_id = $user->customerId( ! empty( $request['live_mode'] ) ? 'live' : 'test' ); |
| 84 | if ( ! empty( $customer_id ) ) { |
| 85 | $class['customer'] = $customer_id; |
| 86 | } |
| 87 | |
| 88 | // if this is a new session, populate the name and phone from the user data. |
| 89 | if ( $request->get_method() === 'POST' ) { |
| 90 | $class['name'] = $user->display_name; |
| 91 | $class['first_name'] = $user->first_name; |
| 92 | $class['last_name'] = $user->last_name; |
| 93 | $class['phone'] = $user->phone; |
| 94 | } |
| 95 | |
| 96 | return $class; |
| 97 | } |
| 98 | |
| 99 | /** |
| 100 | * Get the form mode |
| 101 | * |
| 102 | * @param integer $id ID of the form. |
| 103 | * @return string Mode of the form. |
| 104 | */ |
| 105 | protected function getFormMode( $id ) { |
| 106 | return Form::getMode( (int) $id ); |
| 107 | } |
| 108 | |
| 109 | /** |
| 110 | * Manually pay an order. |
| 111 | * |
| 112 | * @param \WP_REST_Request $request Rest Request. |
| 113 | * |
| 114 | * @return \SureCart\Models\Checkout|\WP_Error |
| 115 | */ |
| 116 | public function manuallyPay( \WP_REST_Request $request ) { |
| 117 | $checkout = $this->middleware( new $this->class( $request['id'] ), $request ); |
| 118 | if ( is_wp_error( $checkout ) ) { |
| 119 | return $checkout; |
| 120 | } |
| 121 | |
| 122 | if ( ! empty( $this->with ) ) { |
| 123 | $checkout = $checkout->with( $this->with ); |
| 124 | } |
| 125 | |
| 126 | $paid = $checkout->where( $request->get_query_params() )->with( |
| 127 | [ |
| 128 | 'purchases', // Important: we need to make sure we expand the purchase to provide access. |
| 129 | ] |
| 130 | )->manuallyPay(); |
| 131 | |
| 132 | // purchase created. |
| 133 | if ( ! empty( $paid->purchases->data ) ) { |
| 134 | foreach ( $paid->purchases->data as $purchase ) { |
| 135 | if ( empty( $purchase->revoked ) ) { |
| 136 | // broadcast the webhook. |
| 137 | do_action( 'surecart/purchase_created', $purchase ); |
| 138 | } |
| 139 | } |
| 140 | } |
| 141 | return $paid; |
| 142 | } |
| 143 | |
| 144 | /** |
| 145 | * Finalize an order. |
| 146 | * |
| 147 | * @param \WP_REST_Request $request Rest Request. |
| 148 | * |
| 149 | * @return \SureCart\Models\Checkout|\WP_Error |
| 150 | */ |
| 151 | public function finalize( \WP_REST_Request $request ) { |
| 152 | $args = $request->get_params(); |
| 153 | |
| 154 | // validate form fields and password input. |
| 155 | $errors = $this->validate( $args, $request ); |
| 156 | |
| 157 | // return early if errors. |
| 158 | if ( $errors->has_errors() ) { |
| 159 | return $errors; |
| 160 | } |
| 161 | |
| 162 | // finalize the order. |
| 163 | $checkout = new $this->class( [ 'id' => $request['id'] ] ); |
| 164 | $finalized = $checkout->where( $request->get_query_params() ) |
| 165 | ->finalize( $request->get_body_params() ); |
| 166 | |
| 167 | // validate the finalized request. |
| 168 | $finalized = $this->validateFinalizeRequest( $finalized, $request ); |
| 169 | |
| 170 | // bail if error. |
| 171 | if ( is_wp_error( $finalized ) ) { |
| 172 | return $finalized; |
| 173 | } |
| 174 | |
| 175 | // return the order. |
| 176 | return $finalized; |
| 177 | } |
| 178 | |
| 179 | /** |
| 180 | * Confirm an order. |
| 181 | * |
| 182 | * This force-fetches the order from the API, runs any automations |
| 183 | * and creates the user account tied to the customer. |
| 184 | * |
| 185 | * @param \WP_REST_Request $request Rest Request. |
| 186 | * |
| 187 | * @return \SureCart\Models\Checkout|\WP_Error |
| 188 | */ |
| 189 | public function confirm( \WP_REST_Request $request ) { |
| 190 | $checkout = $this->middleware( new $this->class(), $request ); |
| 191 | if ( is_wp_error( $checkout ) ) { |
| 192 | return $checkout; |
| 193 | } |
| 194 | |
| 195 | $checkout = $checkout->where( |
| 196 | array_merge( |
| 197 | $request->get_query_params(), |
| 198 | [ 'refresh_status' => true ] // Important: Do not remove. This will force syncing with the processor. |
| 199 | ) |
| 200 | )->with( |
| 201 | [ |
| 202 | 'purchases', // Important: we need to make sure we expand the purchase to provide access. |
| 203 | 'customer', // Important: we need to use this to create the WP User with the same info. |
| 204 | 'manual_payment_method', // Important: we need to use this to display manual payment instructions. |
| 205 | ] |
| 206 | )->find( $request['id'] ); |
| 207 | |
| 208 | // bail if error. |
| 209 | if ( is_wp_error( $checkout ) ) { |
| 210 | return $checkout; |
| 211 | } |
| 212 | |
| 213 | // Create a user account for the customer. |
| 214 | $linked = $this->linkCustomerId( $checkout ); |
| 215 | if ( is_wp_error( $linked ) ) { |
| 216 | return $linked; |
| 217 | } |
| 218 | |
| 219 | // purchase created. |
| 220 | if ( ! empty( $checkout->purchases->data ) ) { |
| 221 | foreach ( $checkout->purchases->data as $purchase ) { |
| 222 | if ( empty( $purchase->revoked ) ) { |
| 223 | // broadcast the webhook. |
| 224 | do_action( 'surecart/purchase_created', $purchase ); |
| 225 | } |
| 226 | } |
| 227 | } |
| 228 | |
| 229 | // the order is confirmed. |
| 230 | do_action( 'surecart/checkout_confirmed', $checkout, $request ); |
| 231 | |
| 232 | // return the order. |
| 233 | return $checkout; |
| 234 | } |
| 235 | |
| 236 | /** |
| 237 | * Link the customer id to the order. |
| 238 | * |
| 239 | * @param \SureCart\Models\Checkout $checkout Checkout model. |
| 240 | * @return \WP_User|\WP_Error |
| 241 | */ |
| 242 | public function linkCustomerId( $checkout ) { |
| 243 | // get transient. |
| 244 | $password_hash = get_transient( 'sc_checkout_password_hash_' . $checkout->id ); |
| 245 | // delete transient. |
| 246 | delete_transient( 'sc_checkout_password_hash_' . $checkout->id ); |
| 247 | // link customer. |
| 248 | $service = new CustomerLinkService( $checkout, $password_hash ); |
| 249 | return $service->link(); |
| 250 | } |
| 251 | |
| 252 | /** |
| 253 | * Validate the form. |
| 254 | * |
| 255 | * @param array $args Arguments. |
| 256 | * @param object $request Request. |
| 257 | * @return \WP_Error Errors. |
| 258 | */ |
| 259 | public function validate( $args, $request ) { |
| 260 | $errors = new \WP_Error(); |
| 261 | |
| 262 | // check if they are trying to sign in. |
| 263 | $valid_login = $this->maybeValidateLoginCreds( $request->get_param( 'email' ), $request->get_param( 'password' ) ); |
| 264 | if ( is_wp_error( $valid_login ) ) { |
| 265 | $errors->add( $valid_login->get_error_code(), $valid_login->get_error_message() ); |
| 266 | } |
| 267 | |
| 268 | // Check if honeypot checkbox checked or not. |
| 269 | $metadata = $request->get_param( 'metadata' ); |
| 270 | if ( $metadata && ! empty( $metadata['get_feedback'] ) ) { |
| 271 | $errors->add( 'invalid', __( 'Invalid request. Please try again.', 'surecart' ) ); |
| 272 | } |
| 273 | |
| 274 | // check recaptcha. |
| 275 | $service = new RecaptchaValidationService(); |
| 276 | if ( $service->isEnabled() ) { |
| 277 | $recaptcha = $service->validate( $request->get_param( 'grecaptcha' ) ); |
| 278 | if ( is_wp_error( $recaptcha ) ) { |
| 279 | $errors->add( $recaptcha->get_error_code(), $recaptcha->get_error_message() ); |
| 280 | } |
| 281 | } |
| 282 | |
| 283 | return apply_filters( 'surecart/checkout/validate', $errors, $args, $request ); |
| 284 | } |
| 285 | |
| 286 | /** |
| 287 | * Check if the user is trying to sign in. |
| 288 | * If so, validate credentials before finalizing. |
| 289 | * |
| 290 | * @param string $email Email. |
| 291 | * @param string $password Password. |
| 292 | * |
| 293 | * @return true|\WP_Error |
| 294 | */ |
| 295 | public function maybeValidateLoginCreds( $email = '', $password = '' ) { |
| 296 | // check if the person is signing in using a password and sign them in. |
| 297 | if ( $password && $email ) { |
| 298 | // user exists, try signing in with password. |
| 299 | $user = get_user_by( 'email', $email ); |
| 300 | // if there's a user, check the username and password before we submit the order. |
| 301 | if ( false !== $user ) { |
| 302 | return wp_authenticate_username_password( null, $user->user_login, $password ); |
| 303 | } |
| 304 | } |
| 305 | return true; |
| 306 | } |
| 307 | |
| 308 | /** |
| 309 | * Validate the finalized request. |
| 310 | * We do this to make sure the form is in "Test" mode |
| 311 | * if a test payment is requested. This prevents the spamming of any |
| 312 | * forms on your site that are not in test mode or creating access to something |
| 313 | * with a fake test payment. |
| 314 | * |
| 315 | * @param \SureCart\Models\Checkout $finalized Finalized checkout. |
| 316 | * @param \WP_REST_Request $request The request. |
| 317 | * |
| 318 | * @return \WP_Error|\SureCart\Models\Checkout |
| 319 | */ |
| 320 | public function validateFinalizeRequest( $finalized, $request ) { |
| 321 | // allow this if the user can edit orders. |
| 322 | if ( current_user_can( 'edit_sc_orders' ) ) { |
| 323 | return $finalized; |
| 324 | } |
| 325 | |
| 326 | // make sure the form id is valid. |
| 327 | if ( ! empty( $request['form_id'] ) ) { |
| 328 | return $this->validateFormId( $finalized, $request ); |
| 329 | } |
| 330 | |
| 331 | return $this->validateProductId( $finalized, $request ); |
| 332 | } |
| 333 | |
| 334 | /** |
| 335 | * Validate the product id. |
| 336 | * |
| 337 | * @param \WP_REST_Request $request The rest request. |
| 338 | * @param \SureCart\Models\Order $finalized The finalized order. |
| 339 | * |
| 340 | * @return \WP_Error|\SureCart\Models\Order |
| 341 | */ |
| 342 | public function validateProductId( $finalized, $request ) { |
| 343 | // make sure the product is valid. |
| 344 | if ( empty( $request['product_id'] ) ) { |
| 345 | return new \WP_Error( 'missing_parameters', 'You must pass a form id or product id in order to make this payment.', [ 'status' => 400 ] ); |
| 346 | } |
| 347 | // make sure the product is valid. |
| 348 | $product = Product::find( $request['product_id'] ); |
| 349 | if ( empty( $product->id ) ) { |
| 350 | return new \WP_Error( 'product_id_invalid', esc_html__( 'This product is invalid.', 'surecart' ), [ 'status' => 400 ] ); |
| 351 | } |
| 352 | |
| 353 | // check to make sure the product buy page is enabled. |
| 354 | if ( ! $product->buyLink()->isEnabled() ) { |
| 355 | return new \WP_Error( 'product_buy_page_disabled', esc_html__( 'This product is not available for purchase.', 'surecart' ), [ 'status' => 400 ] ); |
| 356 | } |
| 357 | |
| 358 | // the mode must match. |
| 359 | $mode = $product->buyLink()->getMode(); |
| 360 | // if the request is for test mode, but the form is not test, return an error. |
| 361 | if ( false === $finalized->live_mode && 'test' !== $mode ) { |
| 362 | return new \WP_Error( 'invalid_mode', 'This page is set to live mode, but the request is for test mode. Please clear any site caching and try again.', [ 'status' => 400 ] ); |
| 363 | } |
| 364 | |
| 365 | // At least one line item must be for this product. |
| 366 | foreach ( $finalized->line_items->data as $line_item ) { |
| 367 | if ( $line_item->price->product->id === $product->id ) { |
| 368 | return $finalized; |
| 369 | } |
| 370 | } |
| 371 | |
| 372 | return new \WP_Error( 'product_buy_page_disabled', esc_html__( 'This product is not available for purchase.', 'surecart' ), [ 'status' => 400 ] ); |
| 373 | } |
| 374 | |
| 375 | /** |
| 376 | * Validate the form id. |
| 377 | * |
| 378 | * @param \WP_REST_Request $request The rest request. |
| 379 | * @param \SureCart\Models\Order $finalized The finalized order. |
| 380 | * |
| 381 | * @return \WP_Error|\SureCart\Models\Order |
| 382 | */ |
| 383 | public function validateFormId( $finalized, $request ) { |
| 384 | // the form's mode must be test. |
| 385 | $mode = $this->getFormMode( (int) $request['form_id'] ); |
| 386 | |
| 387 | // if the request is for test mode, but the form is not test, return an error. |
| 388 | if ( false === $finalized->live_mode && 'test' !== $mode ) { |
| 389 | return new \WP_Error( 'invalid_mode', 'The form is set to live mode, but the request is for test mode.', [ 'status' => 400 ] ); |
| 390 | } |
| 391 | |
| 392 | return $finalized; |
| 393 | } |
| 394 | |
| 395 | /** |
| 396 | * Create or login the user. |
| 397 | * |
| 398 | * @param string $user_email Username. |
| 399 | * @param string $password User password. |
| 400 | * @return \WP_Error|true |
| 401 | */ |
| 402 | protected function maybeLoginUser( $user_email, $password = '' ) { |
| 403 | if ( empty( $password ) ) { |
| 404 | return; |
| 405 | } |
| 406 | return wp_signon( |
| 407 | [ |
| 408 | 'user_login' => $user_email, |
| 409 | 'user_password' => $password, |
| 410 | ] |
| 411 | ); |
| 412 | } |
| 413 | |
| 414 | /** |
| 415 | * Cancel an checkout |
| 416 | * |
| 417 | * @param \WP_REST_Request $request Rest Request. |
| 418 | * |
| 419 | * @return \SureCart\Models\Checkout|\WP_Error |
| 420 | */ |
| 421 | public function cancel( \WP_REST_Request $request ) { |
| 422 | $order = $this->middleware( new $this->class( $request['id'] ), $request ); |
| 423 | if ( is_wp_error( $order ) ) { |
| 424 | return $order; |
| 425 | } |
| 426 | return $order->where( $request->get_query_params() )->cancel(); |
| 427 | } |
| 428 | } |
| 429 |