Automattic\Jetpack\Debugger\Base

Complexity

Total Complexity

66

Size/Duplication

Total Lines	465
Duplicated Lines	5.81 %

Coupling/Cohesion

Components	1
Dependencies	0

Importance

Changes

0

<?php

namespace Automattic\Jetpack\Debugger;

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Namespace declaration statement has to be the very first statement in the script

/**
 * "Unit Tests" for the Jetpack connection.
 *
 * @since Jetpack 7.1.0
 */
class Base {

	const PUBLIC_KEY =
		"\r\n" . '-----BEGIN PUBLIC KEY-----' . "\r\n"
		. 'MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAm+uLLVoxGCY71LS6KFc6' . "\r\n"
		. '1UnF6QGBAsi5XF8ty9kR3/voqfOkpW+gRerM2Kyjy6DPCOmzhZj7BFGtxSV2ZoMX' . "\r\n"
		. '9ZwWxzXhl/Q/6k8jg8BoY1QL6L2K76icXJu80b+RDIqvOfJruaAeBg1Q9NyeYqLY' . "\r\n"
		. 'lEVzN2vIwcFYl+MrP/g6Bc2co7Jcbli+tpNIxg4Z+Hnhbs7OJ3STQLmEryLpAxQO' . "\r\n"
		. 'q8cbhQkMx+FyQhxzSwtXYI/ClCUmTnzcKk7SgGvEjoKGAmngILiVuEJ4bm7Q1yok' . "\r\n"
		. 'xl9+wcfW6JAituNhml9dlHCWnn9D3+j8pxStHihKy2gVMwiFRjLEeD8K/7JVGkb/' . "\r\n"
		. 'EwIDAQAB' . "\r\n"
		. '-----END PUBLIC KEY-----' . "\r\n";

	/**
	 * Tests to run on the Jetpack connection.
	 *
	 * @var array $tests
	 */
	protected $tests = array();

	/**
	 * Results of the Jetpack connection tests.
	 *
	 * @var array $results
	 */
	protected $results = array();

	/**
	 * Status of the testing suite.
	 *
	 * Used internally to determine if a test should be skipped since the tests are already failing. Assume passing.
	 *
	 * @var bool $pass
	 */
	protected $pass = true;

	/**
	 * Debugger constructor.
	 */
	public function __construct() {
		$this->tests   = array();
		$this->results = array();
	}

	/**
	 * Adds a new test to the Jetpack Connection Testing suite.
	 *
	 * @since 7.1.0
	 * @since 7.3.0 Adds name parameter and returns WP_Error on failure.
	 *
	 * @param callable $callable Test to add to queue.
	 * @param string   $name Unique name for the test.
	 * @param string   $type   Optional. Core Site Health type: 'direct' if test can be run during initial load or 'async' if test should run async.
	 * @param array    $groups Optional. Testing groups to add test to.
	 *
	 * @return mixed True if successfully added. WP_Error on failure.
	 */
	public function add_test( $callable, $name, $type = 'direct', $groups = array( 'default' ) ) {
		if ( is_array( $name ) ) {
			// Pre-7.3.0 method passed the $groups parameter here.
			return new WP_Error( __( 'add_test arguments changed in 7.3.0. Please reference inline documentation.', 'jetpack' ) );
		}
		if ( array_key_exists( $name, $this->tests ) ) {
			return new WP_Error( __( 'Test names must be unique.', 'jetpack' ) );
		}
		if ( ! is_callable( $callable ) ) {
			return new WP_Error( __( 'Tests must be valid PHP callables.', 'jetpack' ) );
		}

		$this->tests[ $name ] = array(
			'name'  => $name,
			'test'  => $callable,
			'group' => $groups,
			'type'  => $type,
		);
		return true;
	}

	/**
	 * Lists all tests to run.
	 *
	 * @since 7.3.0
	 *
	 * @param string $type Optional. Core Site Health type: 'direct' or 'async'. All by default.
	 * @param string $group Optional. A specific testing group. All by default.
	 *
	 * @return array $tests Array of tests with test information.
	 */
	public function list_tests( $type = 'all', $group = 'all' ) {
		if ( ! ( 'all' === $type || 'direct' === $type || 'async' === $type ) ) {
			_doing_it_wrong( 'Debugger_Base->list_tests', 'Type must be all, direct, or async', '7.3.0' );
		}

		$tests = array();
		foreach ( $this->tests as $name => $value ) {
			// Get all valid tests by group staged.
			if ( 'all' === $group || $group === $value['group'] ) {
				$tests[ $name ] = $value;
			}

			// Next filter out any that do not match the type.
			if ( 'all' !== $type && $type !== $value['type'] ) {
				unset( $tests[ $name ] );
			}
		}

		return $tests;
	}

	/**
	 * Run a specific test.
	 *
	 * @since 7.3.0
	 *
	 * @param string $name Name of test.
	 *
	 * @return mixed $result Test result array or WP_Error if invalid name. {
	 * @type string $name Test name
	 * @type mixed  $pass True if passed, false if failed, 'skipped' if skipped.
	 * @type string $message Human-readable test result message.
	 * @type string $resolution Human-readable resolution steps.
	 * }
	 */
	public function run_test( $name ) {
		if ( array_key_exists( $name, $this->tests ) ) {
			return call_user_func( $this->tests[ $name ]['test'], $this );
		}
		return new WP_Error( __( 'There is no test by that name: ', 'jetpack' ) . $name );
	}

	/**
	 * Runs the Jetpack connection suite.
	 */
	public function run_tests() {
		foreach ( $this->tests as $test ) {
			$result          = call_user_func( $test['test'], $this );
			$result['group'] = $test['group'];
			$result['type']  = $test['type'];
			$this->results[] = $result;
			if ( false === $result['pass'] ) {
				$this->pass = false;
			}
		}
	}

	/**
	 * Returns the full results array.
	 *
	 * @since 7.1.0
	 * @since 7.3.0 Add 'type'
	 *
	 * @param string $type  Test type, async or direct.
	 * @param string $group Testing group whose results we want. Defaults to all tests.
	 * @return array Array of test results.
	 */
	public function raw_results( $type = 'all', $group = 'all' ) {
		if ( ! $this->results ) {
			$this->run_tests();
		}

		$results = $this->results;

		if ( 'all' !== $group ) {
			foreach ( $results as $test => $result ) {
				if ( ! in_array( $group, $result['group'], true ) ) {
					unset( $results[ $test ] );
				}
			}
		}

		if ( 'all' !== $type ) {
			foreach ( $results as $test => $result ) {
				if ( $type !== $result['type'] ) {
					unset( $results[ $test ] );
				}
			}
		}

		return $results;
	}

	/**
	 * Returns the status of the connection suite.
	 *
	 * @since 7.1.0
	 * @since 7.3.0 Add 'type'
	 *
	 * @param string $type  Test type, async or direct. Optional, direct all tests.
	 * @param string $group Testing group to check status of. Optional, default all tests.
	 *
	 * @return true|array True if all tests pass. Array of failed tests.
	 */
	public function pass( $type = 'all', $group = 'all' ) {
		$results = $this->raw_results( $type, $group );

		foreach ( $results as $result ) {
			// 'pass' could be true, false, or 'skipped'. We only want false.
			if ( isset( $result['pass'] ) && false === $result['pass'] ) {
				return false;
			}
		}

		return true;

	}

	/**
	 * Return array of failed test messages.
	 *
	 * @since 7.1.0
	 * @since 7.3.0 Add 'type'
	 *
	 * @param string $type  Test type, direct or async.
	 * @param string $group Testing group whose failures we want. Defaults to "all".
	 *
	 * @return false|array False if no failed tests. Otherwise, array of failed tests.
	 */
	public function list_fails( $type = 'all', $group = 'all' ) {
		$results = $this->raw_results( $type, $group );

		foreach ( $results as $test => $result ) {
			// We do not want tests that passed or ones that are misconfigured (no pass status or no failure message).
			if ( ! isset( $result['pass'] ) || false !== $result['pass'] || ! isset( $result['message'] ) ) {
				unset( $results[ $test ] );
			}
		}

		return $results;
	}

	/**
	 * Helper function to return consistent responses for a passing test.
	 *
	 * @param string      $name Test name.
	 * @param string|bool $message Plain text message to show when test passed.
	 * @param string|bool $label Label to be used on Site Health card.
	 * @param string|bool $description HTML description to be used in Site Health card.
	 *
	 * @return array Test results.
	 */
	public static function passing_test( $name = 'Unnamed', $message = false, $label = false, $description = false ) {
		if ( ! $message ) {
			$message = __( 'Test Passed!', 'jetpack' );
		}
		return array(
			'name'        => $name,
			'pass'        => true,
			'message'     => $message,
			'description' => $description,
			'resolution'  => false,
			'severity'    => false,
			'label'       => $label,
		);
	}

	/**
	 * Helper function to return consistent responses for a skipped test.
	 *
	 * @param string $name Test name.
	 * @param string $message Reason for skipping the test. Optional.
	 *
	 * @return array Test results.
	 */
	public static function skipped_test( $name = 'Unnamed', $message = false ) {
		return array(
			'name'       => $name,
			'pass'       => 'skipped',
			'message'    => $message,
			'resolution' => false,
			'severity'   => false,
		);
	}

	/**
	 * Helper function to return consistent responses for a failing test.
	 *
	 * @since 7.1.0
	 * @since 7.3.0 Added $action for resolution action link, $severity for issue severity.
	 *
	 * @param string      $name Test name.
	 * @param string      $message Message detailing the failure.
	 * @param string      $resolution Optional. Steps to resolve.
	 * @param string      $action Optional. URL to direct users to self-resolve.
	 * @param string      $severity Optional. "critical" or "recommended" for failure stats. "good" for passing.
	 * @param string      $label Optional. The label to use instead of the test name.
	 * @param string|bool $action_label Optional. The label for the action url instead of default 'Resolve'.
	 * @param string|bool $description Optional. An HTML description to override resolution.
	 *
	 * @return array Test results.
	 */
	public static function failing_test( $name, $message, $resolution = false, $action = false, $severity = 'critical', $label = false, $action_label = false, $description = false ) {
		if ( ! $action_label ) {
			/* translators: Resolve is used as a verb, a command that when invoked will lead to a problem's solution. */
			$action_label = __( 'Resolve', 'jetpack' );
		}
		// Provide standard resolutions steps, but allow pass-through of non-standard ones.
		switch ( $resolution ) {
			case 'cycle_connection':
				$resolution = __( 'Please disconnect and reconnect Jetpack.', 'jetpack' ); // @todo: Link.
				break;
			case 'outbound_requests':
				$resolution = __( 'Please ask your hosting provider to confirm your server can make outbound requests to jetpack.com.', 'jetpack' );
				break;
			case 'support':
			case false:
				$resolution = __( 'Please contact Jetpack support.', 'jetpack' ); // @todo: Link to support.
				break;
		}

		return array(
			'name'         => $name,
			'pass'         => false,
			'message'      => $message,
			'resolution'   => $resolution,
			'action'       => $action,
			'severity'     => $severity,
			'label'        => $label,
			'action_label' => $action_label,
			'description'  => $description,
		);
	}

	/**
	 * Provide WP_CLI friendly testing results.
	 *
	 * @since 7.1.0
	 * @since 7.3.0 Add 'type'
	 *
	 * @param string $type  Test type, direct or async.
	 * @param string $group Testing group whose results we are outputting. Default all tests.
	 */
	public function output_results_for_cli( $type = 'all', $group = 'all' ) {
		if ( defined( 'WP_CLI' ) && WP_CLI ) {
			if ( ( new Status() )->is_development_mode() ) {
				WP_CLI::line( __( 'Jetpack is in Development Mode:', 'jetpack' ) );
				WP_CLI::line( Jetpack::development_mode_trigger_text() );
			}
			WP_CLI::line( __( 'TEST RESULTS:', 'jetpack' ) );
			foreach ( $this->raw_results( $group ) as $test ) {
				if ( true === $test['pass'] ) {
					WP_CLI::log( WP_CLI::colorize( '%gPassed:%n  ' . $test['name'] ) );
				} elseif ( 'skipped' === $test['pass'] ) {
					WP_CLI::log( WP_CLI::colorize( '%ySkipped:%n ' . $test['name'] ) );
					if ( $test['message'] ) {
						WP_CLI::log( '         ' . $test['message'] ); // Number of spaces to "tab indent" the reason.
					}
				} else { // Failed.
					WP_CLI::log( WP_CLI::colorize( '%rFailed:%n  ' . $test['name'] ) );
					WP_CLI::log( '         ' . $test['message'] ); // Number of spaces to "tab indent" the reason.
				}
			}
		}
	}

	/**
	 * Output results of failures in format expected by Core's Site Health tool for async tests.
	 *
	 * Specifically not asking for a testing group since we're opinionated that Site Heath should see all.
	 *
	 * @since 7.3.0
	 *
	 * @return array Array of test results
	 */
	public function output_results_for_core_async_site_health() {
		$result = array(
			'label'       => __( 'Jetpack passed all async tests.', 'jetpack' ),
			'status'      => 'good',
			'badge'       => array(
				'label' => __( 'Jetpack', 'jetpack' ),
				'color' => 'green',
			),
			'description' => sprintf(
				'<p>%s</p>',
				__( "Jetpack's async local testing suite passed all tests!", 'jetpack' )
			),
			'actions'     => '',
			'test'        => 'jetpack_debugger_local_testing_suite_core',
		);

		if ( $this->pass() ) {
			return $result;
		}

		$fails = $this->list_fails( 'async' );
		$error = false;
		foreach ( $fails as $fail ) {
			if ( ! $error ) {
				$error                 = true;
				$result['label']       = $fail['message'];
				$result['status']      = $fail['severity'];
				$result['description'] = sprintf(
					'<p>%s</p>',
					$fail['resolution']
				);
				if ( ! empty( $fail['action'] ) ) {
					$result['actions'] = sprintf(
						'<a class="button button-primary" href="%1$s" target="_blank" rel="noopener noreferrer">%2$s <span class="screen-reader-text">%3$s</span><span aria-hidden="true" class="dashicons dashicons-external"></span></a>',
						esc_url( $fail['action'] ),
						__( 'Resolve', 'jetpack' ),
						/* translators: accessibility text */
						__( '(opens in a new tab)', 'jetpack' )
					);
				}
			} else {
				$result['description'] .= sprintf(
					'<p>%s</p>',
					__( 'There was another problem:', 'jetpack' )
				) . ' ' . $fail['message'] . ': ' . $fail['resolution'];
				if ( 'critical' === $fail['severity'] ) { // In case the initial failure is only "recommended".
					$result['status'] = 'critical';
				}
			}
		}

		return $result;

	}

	/**
	 * Provide single WP Error instance of all failures.
	 *
	 * @since 7.1.0
	 * @since 7.3.0 Add 'type'
	 *
	 * @param string $type  Test type, direct or async.
	 * @param string $group Testing group whose failures we want converted. Default all tests.
	 *
	 * @return WP_Error|false WP_Error with all failed tests or false if there were no failures.
	 */
	public function output_fails_as_wp_error( $type = 'all', $group = 'all' ) {
		if ( $this->pass( $group ) ) {
			return false;
		}
		$fails = $this->list_fails( $type, $group );
		$error = false;

		foreach ( $fails as $result ) {
			$code    = 'failed_' . $result['name'];
			$message = $result['message'];
			$data    = array(
				'resolution' => $result['resolution'],
			);
			if ( ! $error ) {
				$error = new WP_Error( $code, $message, $data );
			} else {
				$error->add( $code, $message, $data );
			}
		}

		return $error;
	}

	/**
	 * Encrypt data for sending to WordPress.com.
	 *
	 * @todo When PHP minimum is 5.3+, add cipher detection to use an agreed better cipher than RC4. RC4 should be the last resort.
	 *
	 * @param string $data Data to encrypt with the WP.com Public Key.