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  1. <?php
  2. /*
  3. * This file is part of Composer.
  4. *
  5. * (c) Nils Adermann <naderman@naderman.de>
  6. * Jordi Boggiano <j.boggiano@seld.be>
  7. *
  8. * For the full copyright and license information, please view the LICENSE
  9. * file that was distributed with this source code.
  10. */
  11. namespace Composer;
  12. use Composer\Autoload\ClassLoader;
  13. use Composer\Semver\VersionParser;
  14. /**
  15. * This class is copied in every Composer installed project and available to all
  16. *
  17. * See also https://getcomposer.org/doc/07-runtime.md#installed-versions
  18. *
  19. * To require its presence, you can require `composer-runtime-api ^2.0`
  20. *
  21. * @final
  22. */
  23. class InstalledVersions
  24. {
  25. /**
  26. * @var mixed[]|null
  27. * @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<string, array{pretty_version?: string, version?: string, reference?: string|null, type?: string, install_path?: string, aliases?: string[], dev_requirement: bool, replaced?: string[], provided?: string[]}>}|array{}|null
  28. */
  29. private static $installed;
  30. /**
  31. * @var bool|null
  32. */
  33. private static $canGetVendors;
  34. /**
  35. * @var array[]
  36. * @psalm-var array<string, array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array<string, array{pretty_version?: string, version?: string, reference?: string|null, type?: string, install_path?: string, aliases?: string[], dev_requirement: bool, replaced?: string[], provided?: string[]}>}>
  37. */
  38. private static $installedByVendor = array();
  39. /**
  40. * Returns a list of all package names which are present, either by being installed, replaced or provided
  41. *
  42. * @return string[]
  43. * @psalm-return list<string>
  44. */
  45. public static function getInstalledPackages()
  46. {
  47. $packages = array();
  48. foreach (self::getInstalled() as $installed) {
  49. $packages[] = array_keys($installed['versions']);
  50. }
  51. if (1 === \count($packages)) {
  52. return $packages[0];
  53. }
  54. return array_keys(array_flip(\call_user_func_array('array_merge', $packages)));
  55. }
  56. /**
  57. * Returns a list of all package names with a specific type e.g. 'library'
  58. *
  59. * @param string $type
  60. * @return string[]
  61. * @psalm-return list<string>
  62. */
  63. public static function getInstalledPackagesByType($type)
  64. {
  65. $packagesByType = array();
  66. foreach (self::getInstalled() as $installed) {
  67. foreach ($installed['versions'] as $name => $package) {
  68. if (isset($package['type']) && $package['type'] === $type) {
  69. $packagesByType[] = $name;
  70. }
  71. }
  72. }
  73. return $packagesByType;
  74. }
  75. /**
  76. * Checks whether the given package is installed
  77. *
  78. * This also returns true if the package name is provided or replaced by another package
  79. *
  80. * @param string $packageName
  81. * @param bool $includeDevRequirements
  82. * @return bool
  83. */
  84. public static function isInstalled($packageName, $includeDevRequirements = true)
  85. {
  86. foreach (self::getInstalled() as $installed) {
  87. if (isset($installed['versions'][$packageName])) {
  88. return $includeDevRequirements || empty($installed['versions'][$packageName]['dev_requirement']);
  89. }
  90. }
  91. return false;
  92. }
  93. /**
  94. * Checks whether the given package satisfies a version constraint
  95. *
  96. * e.g. If you want to know whether version 2.3+ of package foo/bar is installed, you would call:
  97. *
  98. * Composer\InstalledVersions::satisfies(new VersionParser, 'foo/bar', '^2.3')
  99. *
  100. * @param VersionParser $parser Install composer/semver to have access to this class and functionality
  101. * @param string $packageName
  102. * @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
  103. * @return bool
  104. */
  105. public static function satisfies(VersionParser $parser, $packageName, $constraint)
  106. {
  107. $constraint = $parser->parseConstraints($constraint);
  108. $provided = $parser->parseConstraints(self::getVersionRanges($packageName));
  109. return $provided->matches($constraint);
  110. }
  111. /**
  112. * Returns a version constraint representing all the range(s) which are installed for a given package
  113. *
  114. * It is easier to use this via isInstalled() with the $constraint argument if you need to check
  115. * whether a given version of a package is installed, and not just whether it exists
  116. *
  117. * @param string $packageName
  118. * @return string Version constraint usable with composer/semver
  119. */
  120. public static function getVersionRanges($packageName)
  121. {
  122. foreach (self::getInstalled() as $installed) {
  123. if (!isset($installed['versions'][$packageName])) {
  124. continue;
  125. }
  126. $ranges = array();
  127. if (isset($installed['versions'][$packageName]['pretty_version'])) {
  128. $ranges[] = $installed['versions'][$packageName]['pretty_version'];
  129. }
  130. if (array_key_exists('aliases', $installed['versions'][$packageName])) {
  131. $ranges = array_merge($ranges, $installed['versions'][$packageName]['aliases']);
  132. }
  133. if (array_key_exists('replaced', $installed['versions'][$packageName])) {
  134. $ranges = array_merge($ranges, $installed['versions'][$packageName]['replaced']);
  135. }
  136. if (array_key_exists('provided', $installed['versions'][$packageName])) {
  137. $ranges = array_merge($ranges, $installed['versions'][$packageName]['provided']);
  138. }
  139. return implode(' || ', $ranges);
  140. }
  141. throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
  142. }
  143. /**
  144. * @param string $packageName
  145. * @return string|null If the package is being replaced or provided but is not really installed, null will be returned as version, use satisfies or getVersionRanges if you need to know if a given version is present
  146. */
  147. public static function getVersion($packageName)
  148. {
  149. foreach (self::getInstalled() as $installed) {
  150. if (!isset($installed['versions'][$packageName])) {
  151. continue;
  152. }
  153. if (!isset($installed['versions'][$packageName]['version'])) {
  154. return null;
  155. }
  156. return $installed['versions'][$packageName]['version'];
  157. }
  158. throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
  159. }
  160. /**
  161. * @param string $packageName
  162. * @return string|null If the package is being replaced or provided but is not really installed, null will be returned as version, use satisfies or getVersionRanges if you need to know if a given version is present
  163. */
  164. public static function getPrettyVersion($packageName)
  165. {
  166. foreach (self::getInstalled() as $installed) {
  167. if (!isset($installed['versions'][$packageName])) {
  168. continue;
  169. }
  170. if (!isset($installed['versions'][$packageName]['pretty_version'])) {
  171. return null;
  172. }
  173. return $installed['versions'][$packageName]['pretty_version'];
  174. }
  175. throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
  176. }
  177. /**
  178. * @param string $packageName
  179. * @return string|null If the package is being replaced or provided but is not really installed, null will be returned as reference
  180. */
  181. public static function getReference($packageName)
  182. {
  183. foreach (self::getInstalled() as $installed) {
  184. if (!isset($installed['versions'][$packageName])) {
  185. continue;
  186. }
  187. if (!isset($installed['versions'][$packageName]['reference'])) {
  188. return null;
  189. }
  190. return $installed['versions'][$packageName]['reference'];
  191. }
  192. throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
  193. }
  194. /**
  195. * @param string $packageName
  196. * @return string|null If the package is being replaced or provided but is not really installed, null will be returned as install path. Packages of type metapackages also have a null install path.
  197. */
  198. public static function getInstallPath($packageName)
  199. {
  200. foreach (self::getInstalled() as $installed) {
  201. if (!isset($installed['versions'][$packageName])) {
  202. continue;
  203. }
  204. return isset($installed['versions'][$packageName]['install_path']) ? $installed['versions'][$packageName]['install_path'] : null;
  205. }
  206. throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
  207. }
  208. /**
  209. * @return array
  210. * @psalm-return array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}
  211. */
  212. public static function getRootPackage()
  213. {
  214. $installed = self::getInstalled();
  215. return $installed[0]['root'];
  216. }
  217. /**
  218. * Returns the raw installed.php data for custom implementations
  219. *
  220. * @deprecated Use getAllRawData() instead which returns all datasets for all autoloaders present in the process. getRawData only returns the first dataset loaded, which may not be what you expect.
  221. * @return array[]
  222. * @psalm-return array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array<string, array{pretty_version?: string, version?: string, reference?: string|null, type?: string, install_path?: string, aliases?: string[], dev_requirement: bool, replaced?: string[], provided?: string[]}>}
  223. */
  224. public static function getRawData()
  225. {
  226. @trigger_error('getRawData only returns the first dataset loaded, which may not be what you expect. Use getAllRawData() instead which returns all datasets for all autoloaders present in the process.', E_USER_DEPRECATED);
  227. if (null === self::$installed) {
  228. // only require the installed.php file if this file is loaded from its dumped location,
  229. // and not from its source location in the composer/composer package, see https://github.com/composer/composer/issues/9937
  230. if (substr(__DIR__, -8, 1) !== 'C') {
  231. self::$installed = include __DIR__ . '/installed.php';
  232. } else {
  233. self::$installed = array();
  234. }
  235. }
  236. return self::$installed;
  237. }
  238. /**
  239. * Returns the raw data of all installed.php which are currently loaded for custom implementations
  240. *
  241. * @return array[]
  242. * @psalm-return list<array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array<string, array{pretty_version?: string, version?: string, reference?: string|null, type?: string, install_path?: string, aliases?: string[], dev_requirement: bool, replaced?: string[], provided?: string[]}>}>
  243. */
  244. public static function getAllRawData()
  245. {
  246. return self::getInstalled();
  247. }
  248. /**
  249. * Lets you reload the static array from another file
  250. *
  251. * This is only useful for complex integrations in which a project needs to use
  252. * this class but then also needs to execute another project's autoloader in process,
  253. * and wants to ensure both projects have access to their version of installed.php.
  254. *
  255. * A typical case would be PHPUnit, where it would need to make sure it reads all
  256. * the data it needs from this class, then call reload() with
  257. * `require $CWD/vendor/composer/installed.php` (or similar) as input to make sure
  258. * the project in which it runs can then also use this class safely, without
  259. * interference between PHPUnit's dependencies and the project's dependencies.
  260. *
  261. * @param array[] $data A vendor/composer/installed.php data set
  262. * @return void
  263. *
  264. * @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<string, array{pretty_version?: string, version?: string, reference?: string|null, type?: string, install_path?: string, aliases?: string[], dev_requirement: bool, replaced?: string[], provided?: string[]}>} $data
  265. */
  266. public static function reload($data)
  267. {
  268. self::$installed = $data;
  269. self::$installedByVendor = array();
  270. }
  271. /**
  272. * @return array[]
  273. * @psalm-return list<array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array<string, array{pretty_version?: string, version?: string, reference?: string|null, type?: string, install_path?: string, aliases?: string[], dev_requirement: bool, replaced?: string[], provided?: string[]}>}>
  274. */
  275. private static function getInstalled()
  276. {
  277. if (null === self::$canGetVendors) {
  278. self::$canGetVendors = method_exists('Composer\Autoload\ClassLoader', 'getRegisteredLoaders');
  279. }
  280. $installed = array();
  281. if (self::$canGetVendors) {
  282. foreach (ClassLoader::getRegisteredLoaders() as $vendorDir => $loader) {
  283. if (isset(self::$installedByVendor[$vendorDir])) {
  284. $installed[] = self::$installedByVendor[$vendorDir];
  285. } elseif (is_file($vendorDir.'/composer/installed.php')) {
  286. $installed[] = self::$installedByVendor[$vendorDir] = require $vendorDir.'/composer/installed.php';
  287. if (null === self::$installed && strtr($vendorDir.'/composer', '\\', '/') === strtr(__DIR__, '\\', '/')) {
  288. self::$installed = $installed[count($installed) - 1];
  289. }
  290. }
  291. }
  292. }
  293. if (null === self::$installed) {
  294. // only require the installed.php file if this file is loaded from its dumped location,
  295. // and not from its source location in the composer/composer package, see https://github.com/composer/composer/issues/9937
  296. if (substr(__DIR__, -8, 1) !== 'C') {
  297. self::$installed = require __DIR__ . '/installed.php';
  298. } else {
  299. self::$installed = array();
  300. }
  301. }
  302. $installed[] = self::$installed;
  303. return $installed;
  304. }
  305. }