Closes #6715

inc/Engine/Admin/Settings/Page.php

@@ -284,9 +284,17 @@ public function customer_data() {
 
 		$data['license_type'] = rocket_get_license_type( $user );
 
-		$data['license_class']       = time() < $user->licence_expiration ? 'wpr-isValid' : 'wpr-isInvalid';
-		$data['license_expiration']  = date_i18n( get_option( 'date_format' ), (int) $user->licence_expiration );
-		$data['is_from_one_dot_com'] = (bool) $user->{'has_one-com_account'};
+		if ( ! empty( $user->licence_expiration ) ) {
+			$data['license_class'] = time() < $user->licence_expiration ? 'wpr-isValid' : 'wpr-isInvalid';
+		}
+
+		if ( ! empty( $user->licence_expiration ) ) {
+			$data['license_expiration'] = date_i18n( get_option( 'date_format' ), (int) $user->licence_expiration );
+		}
+
+		if ( isset( $user->{'has_one-com_account'} ) ) {
+			$data['is_from_one_dot_com'] = (bool) $user->{'has_one-com_account'};
+		}
 
 		return $data;
 	}

inc/Engine/Admin/Settings/Subscriber.php

@@ -144,6 +144,8 @@ public function refresh_customer_data() {
 		}
 
 		delete_transient( 'wp_rocket_customer_data' );
+		delete_transient( 'wpr_user_information_timeout_active' );
+		delete_transient( 'wpr_user_information_timeout' );
 
 		return wp_send_json_success( $this->page->customer_data() );
 	}

inc/Engine/Common/JobManager/APIHandler/AbstractSafeAPIClient.php

@@ -0,0 +1,153 @@
+<?php
+
+namespace WP_Rocket\Engine\Common\JobManager\APIHandler;
+
+use WP_Error;
+
+/**
+ * Class AbstractSafeAPIClient
+ *
+ * This abstract class provides a base for making API requests.
+ * It includes methods for sending GET and POST requests, and handles transient caching to mitigate the impact of API failures.
+ *
+ * @package WP_Rocket\Engine\Common\JobManager\APIHandler
+ */
+abstract class AbstractSafeAPIClient {
+
+	/**
+	 * Get the transient key.
+	 *
+	 * @return string The transient key.
+	 */
+	abstract protected function get_transient_key();
+
+	/**
+	 * Get the API URL.
+	 *
+	 * @return string The API URL.
+	 */
+	abstract protected function get_api_url();
+
+	/**
+	 * Send a GET request.
+	 *
+	 * @param array $params The request parameters.
+	 * @param bool  $safe Send safe request WP functions or not, default to not.
+	 *
+	 * @return mixed The response from the API.
+	 */
+	public function send_get_request( $params = [], $safe = false ) {
+		return $this->send_request( 'GET', $params, $safe );
+	}
+
+	/**
+	 * Send a POST request.
+	 *
+	 * @param array $params The request parameters.
+	 * @param bool  $safe Send safe request WP functions or not, default to not.
+	 *
+	 * @return mixed The response from the API.
+	 */
+	public function send_post_request( $params = [], $safe = false ) {
+		return $this->send_request( 'POST', $params, $safe );
+	}
+
+	/**
+	 * Send a request to the API.
+	 *
+	 * @param string $method The HTTP method (GET or POST).
+	 * @param array  $params The request parameters.
+	 * @param bool   $safe Send safe request WP functions or not, default to not.
+	 * @return mixed The response from the API, or WP_Error if a timeout is active.
+	 */
+	private function send_request( $method, $params = [], $safe = false ) {
+		$api_url = $this->get_api_url();
+
+		$transient_key = $this->get_transient_key();
+		if ( get_transient( $transient_key . '_timeout_active' ) ) {
+			return new WP_Error( 429, __( 'Too many requests.', 'rocket' ) );
+		}
+		// Get previous_expiration early to avoid multiple parallel requests increasing the expiration multiple times.
+		$previous_expiration = (int) get_transient( $transient_key . '_timeout' );
+
+		$params['method'] = strtoupper( $method );
+
+		$response = $this->send_remote_request( $api_url, $method, $params, $safe );
+
+		if ( is_wp_error( $response ) ) {
+			$this->set_timeout_transients( $previous_expiration );
+			return $response;
+		}
+
+		$body = wp_remote_retrieve_body( $response );
+		if ( empty( $body ) || ( is_array( $response ) && ! empty( $response['response']['code'] ) && 200 !== $response['response']['code'] ) ) {
+			$this->set_timeout_transients( $previous_expiration );
+			return new WP_Error( 500, __( 'Not valid response.', 'rocket' ) );
+		}
+
+		$this->delete_timeout_transients();
+
+		return $response;
+	}
+
+	/**
+	 * Set the timeout transients.
+	 *
+	 * @param string $previous_expiration The previous value of _timeout_active transient.
+	 */
+	private function set_timeout_transients( $previous_expiration ) {
+		$transient_key = $this->get_transient_key();
+
+		$expiration = ( 0 === $previous_expiration )
+			? 300
+			: ( 2 * $previous_expiration <= DAY_IN_SECONDS
+				? 2 * $previous_expiration
+				: DAY_IN_SECONDS
+			);
+
+		set_transient( $transient_key . '_timeout', $expiration, WEEK_IN_SECONDS );
+		set_transient( $transient_key . '_timeout_active', true, $expiration );
+	}
+
+	/**
+	 * Delete the timeout transients.
+	 *
+	 * This method deletes the timeout transients for the API requests. It uses the transient key obtained from the `get_transient_key` method.
+	 * The transients deleted are:
+	 * - `{transient_key}_timeout_active`: This transient indicates if a timeout is currently active.
+	 * - `{transient_key}_timeout`: This transient stores the timeout duration.
+	 *
+	 * @return void
+	 */
+	private function delete_timeout_transients() {
+		$transient_key = $this->get_transient_key();
+		delete_transient( $transient_key . '_timeout_active' );
+		delete_transient( $transient_key . '_timeout' );
+	}
+
+	/**
+	 * Decide which WP core function will be used to send the request based on the params.
+	 *
+	 * @param string $api_url API Url.
+	 * @param string $method Request method (GET or POST).
+	 * @param array  $params Parameters being sent with the request.
+	 * @param bool   $safe Send safe request WP functions or not, default to not.
+	 * @return array|WP_Error
+	 */
+	private function send_remote_request( $api_url, $method, $params, $safe ) {
+		if ( ! $safe ) {
+			return wp_remote_request( $api_url, $params );
+		}
+
+		unset( $params['method'] );
+
+		switch ( $method ) {
+			case 'GET':
+				return wp_safe_remote_get( $api_url, $params );
+			case 'POST':
+				return wp_safe_remote_post( $api_url, $params );
+		}
+
+		return new WP_Error( 400, __( 'Not valid request type.', 'rocket' ) );
+	}
+}

inc/Engine/Common/JobManager/ServiceProvider.php

@@ -4,16 +4,12 @@
 namespace WP_Rocket\Engine\Common\JobManager;
 
 use WP_Rocket\Dependencies\League\Container\ServiceProvider\AbstractServiceProvider;
-use WP_Rocket\Engine\Common\JobManager\Strategy\Context\RetryContext;
-use WP_Rocket\Engine\Common\JobManager\Strategy\Factory\StrategyFactory;
-use WP_Rocket\Engine\Common\JobManager\Strategy\Strategies\DefaultProcess;
-use WP_Rocket\Engine\Common\JobManager\Strategy\Strategies\JobSetFail;
-use WP_Rocket\Engine\Common\JobManager\Strategy\Strategies\ResetRetryProcess;
 use WP_Rocket\Engine\Common\Clock\WPRClock;
-use WP_Rocket\Engine\Common\JobManager\Queue\Queue;
 use WP_Rocket\Engine\Common\JobManager\APIHandler\APIClient;
 use WP_Rocket\Engine\Common\JobManager\Cron\Subscriber as CronSubscriber;
-
+use WP_Rocket\Engine\Common\JobManager\Queue\Queue;
+use WP_Rocket\Engine\Common\JobManager\Strategy\Context\RetryContext;
+use WP_Rocket\Engine\Common\JobManager\Strategy\Factory\StrategyFactory;
 
 class ServiceProvider extends AbstractServiceProvider {
 	/**

inc/Engine/License/API/PricingClient.php

@@ -2,9 +2,33 @@
 
 namespace WP_Rocket\Engine\License\API;
 
-class PricingClient {
+use WP_Rocket\Engine\Common\JobManager\APIHandler\AbstractSafeAPIClient;
+
+class PricingClient extends AbstractSafeAPIClient {
 	const PRICING_ENDPOINT = 'https://wp-rocket.me/stat/1.0/wp-rocket/pricing-2023.php';
 
+	/**
+	 * Get the transient key for plugin updates.
+	 *
+	 * This method returns the transient key used for caching plugin updates.
+	 *
+	 * @return string The transient key for plugin updates.
+	 */
+	protected function get_transient_key() {
+		return 'wp_rocket_pricing';
+	}
+
+	/**
+	 * Get the API URL for plugin updates.
+	 *
+	 * This method returns the API URL used for fetching plugin updates.
+	 *
+	 * @return string The API URL for plugin updates.
+	 */
+	protected function get_api_url() {
+		return self::PRICING_ENDPOINT;
+	}
+
 	/**
 	 * Gets pricing data from cache if it exists, else gets it from the pricing endpoint
 	 *
@@ -40,51 +64,12 @@ public function get_pricing_data() {
 	 * @return bool|object
 	 */
 	private function get_raw_pricing_data() {
-		if ( (bool) get_transient( 'wp_rocket_pricing_timeout_active' ) ) {
-			return false;
-		}
-
-		$response = wp_safe_remote_get(
-			self::PRICING_ENDPOINT
-		);
-
-		if ( 200 !== wp_remote_retrieve_response_code( $response ) ) {
-			$this->set_timeout_transients();
-
-			return false;
-		}
-
-		$body = wp_remote_retrieve_body( $response );
-
-		if ( empty( $body ) ) {
-			$this->set_timeout_transients();
+		$response = $this->send_get_request( [], true );
 
+		if ( is_wp_error( $response ) || ( is_array( $response ) && 200 !== $response['response']['code'] ) ) {
 			return false;
 		}
 
-		delete_transient( 'wp_rocket_pricing_timeout' );
-		delete_transient( 'wp_rocket_pricing_timeout_active' );
-
-		return json_decode( $body );
-	}
-
-	/**
-	 * Set pricing timeout transients.
-	 *
-	 * @since 3.8.4
-	 *
-	 * @return void
-	 */
-	private function set_timeout_transients() {
-		$timeout = (int) get_transient( 'wp_rocket_pricing_timeout' );
-		$timeout = ( 0 === $timeout )
-			? 300
-			: ( 2 * $timeout <= DAY_IN_SECONDS
-				? 2 * $timeout :
-				DAY_IN_SECONDS
-			);
-
-		set_transient( 'wp_rocket_pricing_timeout', $timeout, WEEK_IN_SECONDS );
-		set_transient( 'wp_rocket_pricing_timeout_active', true, $timeout );
+		return json_decode( wp_remote_retrieve_body( $response ) );
 	}
 }

inc/Engine/License/API/UserClient.php

@@ -3,8 +3,9 @@
 namespace WP_Rocket\Engine\License\API;
 
 use WP_Rocket\Admin\Options_Data;
+use WP_Rocket\Engine\Common\JobManager\APIHandler\AbstractSafeAPIClient;
 
-class UserClient {
+class UserClient extends AbstractSafeAPIClient {
 	const USER_ENDPOINT = 'https://wp-rocket.me/stat/1.0/wp-rocket/user.php';
 
 	/**
@@ -14,6 +15,28 @@ class UserClient {
 	 */
 	private $options;
 
+	/**
+	 * Get the transient key for plugin updates.
+	 *
+	 * This method returns the transient key used for caching plugin updates.
+	 *
+	 * @return string The transient key for plugin updates.
+	 */
+	protected function get_transient_key() {
+		return 'wpr_user_information';
+	}
+
+	/**
+	 * Get the API URL for plugin updates.
+	 *
+	 * This method returns the API URL used for fetching plugin updates.
+	 *
+	 * @return string The API URL for plugin updates.
+	 */
+	protected function get_api_url() {
+		return self::USER_ENDPOINT;
+	}
+
 	/**
 	 * Instantiate the class
 	 *
@@ -65,14 +88,14 @@ private function get_raw_user_data() {
 			? $this->options->get( 'consumer_email', '' )
 			: rocket_get_constant( 'WP_ROCKET_EMAIL', '' );
 
-		$response = wp_safe_remote_post(
-			self::USER_ENDPOINT,
+		$response = $this->send_post_request(
 			[
 				'body' => 'user_id=' . rawurlencode( $customer_email ) . '&consumer_key=' . sanitize_key( $customer_key ),
-			]
+			],
+			true
 		);
 
-		if ( 200 !== wp_remote_retrieve_response_code( $response ) ) {
+		if ( is_wp_error( $response ) ) {
 			return false;
 		}