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class-latest-autoloader-guard.php
96 lines
| 1 | <?php |
| 2 | if (!defined('ABSPATH')) exit; |
| 3 | // phpcs:ignore |
| 4 | class Latest_Autoloader_Guard { |
| 5 | private $plugins_handler; |
| 6 | private $autoloader_handler; |
| 7 | private $autoloader_locator; |
| 8 | public function __construct( $plugins_handler, $autoloader_handler, $autoloader_locator ) { |
| 9 | $this->plugins_handler = $plugins_handler; |
| 10 | $this->autoloader_handler = $autoloader_handler; |
| 11 | $this->autoloader_locator = $autoloader_locator; |
| 12 | } |
| 13 | public function should_stop_init( $current_plugin, $plugins, $was_included_by_autoloader ) { |
| 14 | global $jetpack_autoloader_latest_version; |
| 15 | // We need to reset the autoloader when the plugins change because |
| 16 | // that means the autoloader was generated with a different list. |
| 17 | if ( $this->plugins_handler->have_plugins_changed( $plugins ) ) { |
| 18 | $this->autoloader_handler->reset_autoloader(); |
| 19 | } |
| 20 | // When the latest autoloader has already been found we don't need to search for it again. |
| 21 | // We should take care however because this will also trigger if the autoloader has been |
| 22 | // included by an older one. |
| 23 | if ( isset( $jetpack_autoloader_latest_version ) && ! $was_included_by_autoloader ) { |
| 24 | return true; |
| 25 | } |
| 26 | $latest_plugin = $this->autoloader_locator->find_latest_autoloader( $plugins, $jetpack_autoloader_latest_version ); |
| 27 | if ( isset( $latest_plugin ) && $latest_plugin !== $current_plugin ) { |
| 28 | require $this->autoloader_locator->get_autoloader_path( $latest_plugin ); |
| 29 | return true; |
| 30 | } |
| 31 | return false; |
| 32 | } |
| 33 | public function check_for_conflicting_autoloaders() { |
| 34 | if ( ! defined( 'JETPACK_AUTOLOAD_DEBUG_CONFLICTING_LOADERS' ) || ! JETPACK_AUTOLOAD_DEBUG_CONFLICTING_LOADERS ) { |
| 35 | return; |
| 36 | } |
| 37 | global $jetpack_autoloader_loader; |
| 38 | if ( ! isset( $jetpack_autoloader_loader ) ) { |
| 39 | return; |
| 40 | } |
| 41 | $prefixes = array(); |
| 42 | foreach ( ( $jetpack_autoloader_loader->get_class_map() ?? array() ) as $classname => $data ) { |
| 43 | $parts = explode( '\\', trim( $classname, '\\' ) ); |
| 44 | array_pop( $parts ); |
| 45 | while ( $parts ) { |
| 46 | $prefixes[ implode( '\\', $parts ) . '\\' ] = true; |
| 47 | array_pop( $parts ); |
| 48 | } |
| 49 | } |
| 50 | foreach ( ( $jetpack_autoloader_loader->get_psr4_map() ?? array() ) as $prefix => $data ) { |
| 51 | $parts = explode( '\\', trim( $prefix, '\\' ) ); |
| 52 | while ( $parts ) { |
| 53 | $prefixes[ implode( '\\', $parts ) . '\\' ] = true; |
| 54 | array_pop( $parts ); |
| 55 | } |
| 56 | } |
| 57 | $autoload_chain = spl_autoload_functions(); |
| 58 | if ( ! $autoload_chain ) { |
| 59 | return; |
| 60 | } |
| 61 | foreach ( $autoload_chain as $autoloader ) { |
| 62 | // No need to check anything after us. |
| 63 | if ( is_array( $autoloader ) && is_string( $autoloader[0] ) && substr( $autoloader[0], 0, strlen( __NAMESPACE__ ) + 1 ) === __NAMESPACE__ . '\\' ) { |
| 64 | break; |
| 65 | } |
| 66 | // We can check Composer autoloaders easily enough. |
| 67 | if ( is_array( $autoloader ) && $autoloader[0] instanceof \Composer\Autoload\ClassLoader && is_callable( array( $autoloader[0], 'getPrefixesPsr4' ) ) ) { |
| 68 | $composer_autoloader = $autoloader[0]; |
| 69 | foreach ( $composer_autoloader->getClassMap() as $classname => $path ) { |
| 70 | if ( $jetpack_autoloader_loader->find_class_file( $classname ) ) { |
| 71 | $msg = "A Composer autoloader is registered with a higher priority than the Jetpack Autoloader and would also handle some of the classes we handle (e.g. $classname => $path). This may cause strange and confusing problems."; |
| 72 | wp_trigger_error( '', $msg ); |
| 73 | continue 2; |
| 74 | } |
| 75 | } |
| 76 | foreach ( $composer_autoloader->getPrefixesPsr4() as $prefix => $paths ) { |
| 77 | if ( isset( $prefixes[ $prefix ] ) ) { |
| 78 | $path = array_pop( $paths ); |
| 79 | $msg = "A Composer autoloader is registered with a higher priority than the Jetpack Autoloader and would also handle some of the namespaces we handle (e.g. $prefix => $path). This may cause strange and confusing problems."; |
| 80 | wp_trigger_error( '', $msg ); |
| 81 | continue 2; |
| 82 | } |
| 83 | } |
| 84 | foreach ( $composer_autoloader->getPrefixes() as $prefix => $paths ) { |
| 85 | if ( isset( $prefixes[ $prefix ] ) ) { |
| 86 | $path = array_pop( $paths ); |
| 87 | $msg = "A Composer autoloader is registered with a higher priority than the Jetpack Autoloader and would also handle some of the namespaces we handle (e.g. $prefix => $path). This may cause strange and confusing problems."; |
| 88 | wp_trigger_error( '', $msg ); |
| 89 | continue 2; |
| 90 | } |
| 91 | } |
| 92 | } |
| 93 | } |
| 94 | } |
| 95 | } |
| 96 |