* Jordi Boggiano * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Composer; use Composer\Autoload\ClassLoader; use Composer\Semver\VersionParser; /** * This class is copied in every Composer installed project and available to all * * See also https://getcomposer.org/doc/07-runtime.md#installed-versions * * To require its presence, you can require `composer-runtime-api ^2.0` * * @final */ class InstalledVersions { /** * @var mixed[]|null * @psalm-var array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array}|array{}|null */ private static $installed; /** * @var bool|null */ private static $canGetVendors; /** * @var array[] * @psalm-var array}> */ private static $installedByVendor = array(); /** * Returns a list of all package names which are present, either by being installed, replaced or provided * * @return string[] * @psalm-return list */ public static function getInstalledPackages() { $packages = array(); foreach (self::getInstalled() as $installed) { $packages[] = array_keys($installed['versions']); } if (1 === \count($packages)) { return $packages[0]; } return array_keys(array_flip(\call_user_func_array('array_merge', $packages))); } /** * Returns a list of all package names with a specific type e.g. 'library' * * @param string $type * @return string[] * @psalm-return list */ public static function getInstalledPackagesByType($type) { $packagesByType = array(); foreach (self::getInstalled() as $installed) { foreach ($installed['versions'] as $name => $package) { if (isset($package['type']) && $package['type'] === $type) { $packagesByType[] = $name; } } } return $packagesByType; } /** * Checks whether the given package is installed * * This also returns true if the package name is provided or replaced by another package * * @param string $packageName * @param bool $includeDevRequirements * @return bool */ public static function isInstalled($packageName, $includeDevRequirements = true) { foreach (self::getInstalled() as $installed) { if (isset($installed['versions'][$packageName])) { return $includeDevRequirements || empty($installed['versions'][$packageName]['dev_requirement']); } } return false; } /** * Checks whether the given package satisfies a version constraint * * e.g. If you want to know whether version 2.3+ of package foo/bar is installed, you would call: * * Composer\InstalledVersions::satisfies(new VersionParser, 'foo/bar', '^2.3') * * @param VersionParser $parser Install composer/semver to have access to this class and functionality * @param string $packageName * @param string|null $constraint A version constraint to check for, if you pass one you have to make sure composer/semver is required by your package * @return bool */ public static function satisfies(VersionParser $parser, $packageName, $constraint) { $constraint = $parser->parseConstraints($constraint); $provided = $parser->parseConstraints(self::getVersionRanges($packageName)); return $provided->matches($constraint); } /** * Returns a version constraint representing all the range(s) which are installed for a given package * * It is easier to use this via isInstalled() with the $constraint argument if you need to check * whether a given version of a package is installed, and not just whether it exists * * @param string $packageName * @return string Version constraint usable with composer/semver */ public static function getVersionRanges($packageName) { foreach (self::getInstalled() as $installed) { if (!isset($installed['versions'][$packageName])) { continue; } $ranges = array(); if (isset($installed['versions'][$packageName]['pretty_version'])) { $ranges[] = $installed['versions'][$packageName]['pretty_version']; } if (array_key_exists('aliases', $installed['versions'][$packageName])) { $ranges = array_merge($ranges, $installed['versions'][$packageName]['aliases']); } if (array_key_exists('replaced', $installed['versions'][$packageName])) { $ranges = array_merge($ranges, $installed['versions'][$packageName]['replaced']); } if (array_key_exists('provided', $installed['versions'][$packageName])) { $ranges = array_merge($ranges, $installed['versions'][$packageName]['provided']); } return implode(' || ', $ranges); } throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed'); } /** * @param string $packageName * @return string|null If the package is being replaced or provided but is not really installed, null will be returned as version, use satisfies or getVersionRanges if you need to know if a given version is present */ public static function getVersion($packageName) { foreach (self::getInstalled() as $installed) { if (!isset($installed['versions'][$packageName])) { continue; } if (!isset($installed['versions'][$packageName]['version'])) { return null; } return $installed['versions'][$packageName]['version']; } throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed'); } /** * @param string $packageName * @return string|null If the package is being replaced or provided but is not really installed, null will be returned as version, use satisfies or getVersionRanges if you need to know if a given version is present */ public static function getPrettyVersion($packageName) { foreach (self::getInstalled() as $installed) { if (!isset($installed['versions'][$packageName])) { continue; } if (!isset($installed['versions'][$packageName]['pretty_version'])) { return null; } return $installed['versions'][$packageName]['pretty_version']; } throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed'); } /** * @param string $packageName * @return string|null If the package is being replaced or provided but is not really installed, null will be returned as reference */ public static function getReference($packageName) { foreach (self::getInstalled() as $installed) { if (!isset($installed['versions'][$packageName])) { continue; } if (!isset($installed['versions'][$packageName]['reference'])) { return null; } return $installed['versions'][$packageName]['reference']; } throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed'); } /** * @param string $packageName * @return string|null If the package is being replaced or provided but is not really installed, null will be returned as install path. Packages of type metapackages also have a null install path. */ public static function getInstallPath($packageName) { foreach (self::getInstalled() as $installed) { if (!isset($installed['versions'][$packageName])) { continue; } return isset($installed['versions'][$packageName]['install_path']) ? $installed['versions'][$packageName]['install_path'] : null; } throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed'); } /** * @return array * @psalm-return array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool} */ public static function getRootPackage() { $installed = self::getInstalled(); return $installed[0]['root']; } /** * Returns the raw installed.php data for custom implementations * * @deprecated Use getAllRawData() instead which returns all datasets for all autoloaders present in the process. getRawData only returns the first dataset loaded, which may not be what you expect. * @return array[] * @psalm-return array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array} */ public static function getRawData() { @trigger_error('getRawData only returns the first dataset loaded, which may not be what you expect. Use getAllRawData() instead which returns all datasets for all autoloaders present in the process.', E_USER_DEPRECATED); if (null === self::$installed) { // only require the installed.php file if this file is loaded from its dumped location, // and not from its source location in the composer/composer package, see https://github.com/composer/composer/issues/9937 if (substr(__DIR__, -8, 1) !== 'C') { self::$installed = include __DIR__ . '/installed.php'; } else { self::$installed = array(); } } return self::$installed; } /** * Returns the raw data of all installed.php which are currently loaded for custom implementations * * @return array[] * @psalm-return list}> */ public static function getAllRawData() { return self::getInstalled(); } /** * Lets you reload the static array from another file * * This is only useful for complex integrations in which a project needs to use * this class but then also needs to execute another project's autoloader in process, * and wants to ensure both projects have access to their version of installed.php. * * A typical case would be PHPUnit, where it would need to make sure it reads all * the data it needs from this class, then call reload() with * `require $CWD/vendor/composer/installed.php` (or similar) as input to make sure * the project in which it runs can then also use this class safely, without * interference between PHPUnit's dependencies and the project's dependencies. * * @param array[] $data A vendor/composer/installed.php data set * @return void * * @psalm-param array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array} $data */ public static function reload($data) { self::$installed = $data; self::$installedByVendor = array(); } /** * @return array[] * @psalm-return list}> */ private static function getInstalled() { if (null === self::$canGetVendors) { self::$canGetVendors = method_exists('Composer\Autoload\ClassLoader', 'getRegisteredLoaders'); } $installed = array(); if (self::$canGetVendors) { foreach (ClassLoader::getRegisteredLoaders() as $vendorDir => $loader) { if (isset(self::$installedByVendor[$vendorDir])) { $installed[] = self::$installedByVendor[$vendorDir]; } elseif (is_file($vendorDir.'/composer/installed.php')) { $installed[] = self::$installedByVendor[$vendorDir] = require $vendorDir.'/composer/installed.php'; if (null === self::$installed && strtr($vendorDir.'/composer', '\\', '/') === strtr(__DIR__, '\\', '/')) { self::$installed = $installed[count($installed) - 1]; } } } } if (null === self::$installed) { // only require the installed.php file if this file is loaded from its dumped location, // and not from its source location in the composer/composer package, see https://github.com/composer/composer/issues/9937 if (substr(__DIR__, -8, 1) !== 'C') { self::$installed = require __DIR__ . '/installed.php'; } else { self::$installed = array(); } } $installed[] = self::$installed; return $installed; } }