5b4f9901bc
If the download fails, try to show some more details about it rather than just the URL. Maybe this will help us figure out what’s wrong. Bug: T362425 Change-Id: I7b24d6843946c97890973bb5eb7b2c174139207b
542 lines
17 KiB
PHP
542 lines
17 KiB
PHP
<?php
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/**
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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*/
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namespace MediaWiki\ResourceLoader;
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use Composer\Spdx\SpdxLicenses;
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use LogicException;
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use MediaWiki\MainConfigNames;
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use MediaWiki\MediaWikiServices;
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use MediaWiki\Message\Message;
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use PharData;
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use RecursiveDirectoryIterator;
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use RecursiveIteratorIterator;
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use SplFileInfo;
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use Symfony\Component\Yaml\Yaml;
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use Wikimedia\UUID\GlobalIdGenerator;
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/**
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* Manage foreign resources registered with ResourceLoader.
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*
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* @since 1.32
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* @ingroup ResourceLoader
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* @see https://www.mediawiki.org/wiki/Foreign_resources
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*/
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class ForeignResourceManager {
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/** @var string */
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private $defaultAlgo = 'sha384';
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/** @var bool */
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private $hasErrors = false;
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/** @var string */
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private $registryFile;
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/** @var string */
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private $libDir;
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/** @var string */
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private $tmpParentDir;
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/** @var string */
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private $cacheDir;
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/**
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* @var callable|Closure
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* @phan-var callable(string):void
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*/
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private $infoPrinter;
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/**
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* @var callable|Closure
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* @phan-var callable(string):void
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*/
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private $errorPrinter;
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/**
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* @var callable|Closure
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* @phan-var callable(string):void
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*/
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private $verbosePrinter;
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/** @var string */
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private $action;
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/** @var array[] */
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private $registry;
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private GlobalIdGenerator $globalIdGenerator;
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/**
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* @param string $registryFile Path to YAML file
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* @param string $libDir Path to a modules directory
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* @param callable|null $infoPrinter Callback for printing info about the run.
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* @param callable|null $errorPrinter Callback for printing errors from the run.
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* @param callable|null $verbosePrinter Callback for printing extra verbose
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* progress information from the run.
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*/
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public function __construct(
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$registryFile,
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$libDir,
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callable $infoPrinter = null,
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callable $errorPrinter = null,
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callable $verbosePrinter = null
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) {
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$this->globalIdGenerator = MediaWikiServices::getInstance()->getGlobalIdGenerator();
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$this->registryFile = $registryFile;
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$this->libDir = $libDir;
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$this->infoPrinter = $infoPrinter ?? static function ( $_ ) {
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};
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$this->errorPrinter = $errorPrinter ?? $this->infoPrinter;
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$this->verbosePrinter = $verbosePrinter ?? static function ( $_ ) {
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};
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// Support XDG_CACHE_HOME to speed up CI by avoiding repeated downloads.
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$conf = MediaWikiServices::getInstance()->getMainConfig();
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if ( ( $cacheHome = getenv( 'XDG_CACHE_HOME' ) ) !== false ) {
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$this->cacheDir = realpath( $cacheHome ) . '/mw-foreign';
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} elseif ( ( $cacheConf = $conf->get( MainConfigNames::CacheDirectory ) ) !== false ) {
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$this->cacheDir = "$cacheConf/ForeignResourceManager";
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} else {
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$this->cacheDir = "{$this->libDir}/.foreign/cache";
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}
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}
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/**
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* @param string $action
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* @param string $module
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* @return bool
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* @throws LogicException
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*/
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public function run( $action, $module ) {
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$actions = [ 'update', 'verify', 'make-sri', 'make-cdx' ];
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if ( !in_array( $action, $actions ) ) {
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$this->error( "Invalid action.\n\nMust be one of " . implode( ', ', $actions ) . '.' );
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return false;
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}
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$this->action = $action;
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$this->setupTempDir( $action );
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$this->registry = Yaml::parseFile( $this->registryFile );
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if ( $module === 'all' ) {
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$modules = $this->registry;
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} elseif ( isset( $this->registry[$module] ) ) {
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$modules = [ $module => $this->registry[$module] ];
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} else {
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$this->error( "Unknown module name.\n\nMust be one of:\n" .
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wordwrap( implode( ', ', array_keys( $this->registry ) ), 80 ) .
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'.'
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);
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return false;
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}
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if ( $this->action === 'make-cdx' ) {
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$this->output( json_encode(
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$this->generateCdx( $modules ),
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JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE | JSON_THROW_ON_ERROR
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) );
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return true;
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}
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foreach ( $modules as $moduleName => $info ) {
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$this->verbose( "\n### {$moduleName}\n\n" );
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if ( $this->action === 'update' ) {
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$this->output( "... updating '{$moduleName}'\n" );
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} elseif ( $this->action === 'verify' ) {
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$this->output( "... verifying '{$moduleName}'\n" );
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} else {
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$this->output( "... checking '{$moduleName}'\n" );
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}
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// Do checks on yaml content (such as license existence, validity and type keys)
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// before doing any potentially destructive actions (potentially deleting directories,
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// depending on action.
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if ( !isset( $info['type'] ) ) {
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throw new LogicException( "Module '$moduleName' must have a 'type' key." );
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}
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$this->validateLicense( $moduleName, $info );
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if ( $info['type'] === 'doc-only' ) {
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$this->output( "... {$moduleName} is documentation-only, skipping integrity checks.\n" );
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continue;
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}
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$destDir = "{$this->libDir}/$moduleName";
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if ( $this->action === 'update' ) {
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$this->verbose( "... emptying directory for $moduleName\n" );
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wfRecursiveRemoveDir( $destDir );
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}
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$this->verbose( "... preparing {$this->tmpParentDir}\n" );
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wfRecursiveRemoveDir( $this->tmpParentDir );
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if ( !wfMkdirParents( $this->tmpParentDir ) ) {
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throw new LogicException( "Unable to create {$this->tmpParentDir}" );
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}
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switch ( $info['type'] ) {
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case 'tar':
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case 'zip':
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$this->handleTypeTar( $moduleName, $destDir, $info, $info['type'] );
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break;
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case 'file':
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$this->handleTypeFile( $moduleName, $destDir, $info );
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break;
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case 'multi-file':
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$this->handleTypeMultiFile( $moduleName, $destDir, $info );
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break;
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default:
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throw new LogicException( "Unknown type '{$info['type']}' for '$moduleName'" );
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}
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}
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$this->cleanUp();
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if ( $this->hasErrors ) {
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// The "verify" action should check all modules and files and fail after, not during.
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// We don't throw on the first issue so that developers enjoy access to all actionable
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// information at once (given we can't have cascading errors).
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// The "verify" action prints errors along the way and simply exits here.
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return false;
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}
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return true;
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}
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/**
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* Choose the temp parent directory
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*
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* @param string $action
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*/
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private function setupTempDir( $action ) {
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if ( $action === 'verify' ) {
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$this->tmpParentDir = wfTempDir() . '/ForeignResourceManager';
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} else {
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// Use a temporary directory under the destination directory instead
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// of wfTempDir() because PHP's rename() does not work across file
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// systems, and the user's /tmp and $IP may be on different filesystems.
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$this->tmpParentDir = "{$this->libDir}/.foreign/tmp";
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}
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}
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/**
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* @param string $src
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* @param string $integrity
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* @param string $moduleName
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* @return string
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*/
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private function cacheKey( $src, $integrity, $moduleName ) {
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$key = $moduleName
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. '_' . hash( 'fnv132', $integrity )
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. '_' . hash( 'fnv132', $src )
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// Append readable filename to aid cache inspection and debugging
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. '_' . basename( $src );
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$key = preg_replace( '/[.\/+?=_-]+/', '_', $key );
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return rtrim( $key, '_' );
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}
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/**
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* @param string $key
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* @return string|false
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*/
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private function cacheGet( $key ) {
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// phpcs:ignore Generic.PHP.NoSilencedErrors.Discouraged
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return @file_get_contents( "{$this->cacheDir}/$key.data" );
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}
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/**
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* @param string $key
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* @param mixed $data
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*/
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private function cacheSet( $key, $data ) {
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// phpcs:ignore Generic.PHP.NoSilencedErrors.Discouraged
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@mkdir( $this->cacheDir, 0777, true );
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file_put_contents( "{$this->cacheDir}/$key.data", $data, LOCK_EX );
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}
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/**
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* @param string $src
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* @param string|null $integrity
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* @param string $moduleName
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* @return string
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*/
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private function fetch( string $src, $integrity, string $moduleName ) {
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if ( $integrity !== null ) {
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$key = $this->cacheKey( $src, $integrity, $moduleName );
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$data = $this->cacheGet( $key );
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if ( $data ) {
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return $data;
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}
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}
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$services = MediaWikiServices::getInstance();
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$req = $services->getHttpRequestFactory()
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->create( $src, [ 'method' => 'GET', 'followRedirects' => false ], __METHOD__ );
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$reqStatusValue = $req->execute();
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if ( !$reqStatusValue->isOK() ) {
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$message = "Failed to download resource at {$src}";
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$reqError = $reqStatusValue->getMessages( 'error' )[0] ?? null;
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if ( $reqError !== null ) {
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$message .= ': ' . Message::newFromSpecifier( $reqError )->inLanguage( 'en' )->plain();
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}
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throw new LogicException( $message );
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}
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if ( $req->getStatus() !== 200 ) {
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throw new LogicException( "Unexpected HTTP {$req->getStatus()} response from {$src}" );
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}
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$data = $req->getContent();
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$algo = $integrity === null ? $this->defaultAlgo : explode( '-', $integrity )[0];
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$actualIntegrity = $algo . '-' . base64_encode( hash( $algo, $data, true ) );
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if ( $integrity === $actualIntegrity ) {
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$this->verbose( "... passed integrity check for {$src}\n" );
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$key = $this->cacheKey( $src, $actualIntegrity, $moduleName );
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$this->cacheSet( $key, $data );
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} elseif ( $this->action === 'make-sri' ) {
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$this->output( "Integrity for {$src}\n\tintegrity: {$actualIntegrity}\n" );
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} else {
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$expectedIntegrity = $integrity ?? 'null';
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throw new LogicException( "Integrity check failed for {$src}\n" .
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"\tExpected: {$expectedIntegrity}\n" .
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"\tActual: {$actualIntegrity}"
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);
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}
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return $data;
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}
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/**
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* @param string $moduleName
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* @param string $destDir
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* @param array $info
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*/
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private function handleTypeFile( $moduleName, $destDir, array $info ) {
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if ( !isset( $info['src'] ) ) {
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throw new LogicException( "Module '$moduleName' must have a 'src' key." );
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}
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$data = $this->fetch( $info['src'], $info['integrity'] ?? null, $moduleName );
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$dest = $info['dest'] ?? basename( $info['src'] );
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$path = "$destDir/$dest";
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if ( $this->action === 'verify' && sha1_file( $path ) !== sha1( $data ) ) {
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$this->error( "File for '$moduleName' is different.\n" );
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}
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if ( $this->action === 'update' ) {
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wfMkdirParents( $destDir );
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file_put_contents( "$destDir/$dest", $data );
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}
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}
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/**
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* @param string $moduleName
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* @param string $destDir
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* @param array $info
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*/
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private function handleTypeMultiFile( $moduleName, $destDir, array $info ) {
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if ( !isset( $info['files'] ) ) {
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throw new LogicException( "Module '$moduleName' must have a 'files' key." );
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}
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foreach ( $info['files'] as $dest => $file ) {
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if ( !isset( $file['src'] ) ) {
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throw new LogicException( "Module '$moduleName' file '$dest' must have a 'src' key." );
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}
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$data = $this->fetch( $file['src'], $file['integrity'] ?? null, $moduleName );
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$path = "$destDir/$dest";
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if ( $this->action === 'verify' && sha1_file( $path ) !== sha1( $data ) ) {
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$this->error( "File '$dest' for '$moduleName' is different.\n" );
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} elseif ( $this->action === 'update' ) {
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wfMkdirParents( $destDir );
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file_put_contents( "$destDir/$dest", $data );
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}
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}
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}
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/**
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* @param string $moduleName
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* @param string $destDir
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* @param array $info
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* @param string $fileType
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*/
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private function handleTypeTar( $moduleName, $destDir, array $info, string $fileType ) {
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$info += [ 'src' => null, 'integrity' => null, 'dest' => null ];
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if ( $info['src'] === null ) {
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throw new LogicException( "Module '$moduleName' must have a 'src' key." );
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}
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// Download the resource to a temporary file and open it
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$data = $this->fetch( $info['src'], $info['integrity'], $moduleName );
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$tmpFile = "{$this->tmpParentDir}/$moduleName." . $fileType;
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$this->verbose( "... writing '$moduleName' src to $tmpFile\n" );
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file_put_contents( $tmpFile, $data );
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$p = new PharData( $tmpFile );
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$tmpDir = "{$this->tmpParentDir}/$moduleName";
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$p->extractTo( $tmpDir );
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unset( $data, $p );
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if ( $info['dest'] === null ) {
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// Default: Replace the entire directory
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$toCopy = [ $tmpDir => $destDir ];
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} else {
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// Expand and normalise the 'dest' entries
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$toCopy = [];
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foreach ( $info['dest'] as $fromSubPath => $toSubPath ) {
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// Use glob() to expand wildcards and check existence
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$fromPaths = glob( "{$tmpDir}/{$fromSubPath}", GLOB_BRACE );
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if ( !$fromPaths ) {
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throw new LogicException( "Path '$fromSubPath' of '$moduleName' not found." );
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}
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foreach ( $fromPaths as $fromPath ) {
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$toCopy[$fromPath] = $toSubPath === null
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? "$destDir/" . basename( $fromPath )
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: "$destDir/$toSubPath/" . basename( $fromPath );
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}
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}
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}
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foreach ( $toCopy as $from => $to ) {
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if ( $this->action === 'verify' ) {
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$this->verbose( "... verifying $to\n" );
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if ( is_dir( $from ) ) {
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$rii = new RecursiveIteratorIterator( new RecursiveDirectoryIterator(
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$from,
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RecursiveDirectoryIterator::SKIP_DOTS
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) );
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/** @var SplFileInfo $file */
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foreach ( $rii as $file ) {
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$remote = $file->getPathname();
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$local = strtr( $remote, [ $from => $to ] );
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if ( sha1_file( $remote ) !== sha1_file( $local ) ) {
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$this->error( "File '$local' is different.\n" );
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}
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}
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} elseif ( sha1_file( $from ) !== sha1_file( $to ) ) {
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$this->error( "File '$to' is different.\n" );
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}
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} elseif ( $this->action === 'update' ) {
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$this->verbose( "... moving $from to $to\n" );
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wfMkdirParents( dirname( $to ) );
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if ( !rename( $from, $to ) ) {
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throw new LogicException( "Could not move $from to $to." );
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}
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}
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}
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}
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/**
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* @param string $text
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*/
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private function verbose( $text ) {
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( $this->verbosePrinter )( $text );
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}
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/**
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* @param string $text
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*/
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private function output( $text ) {
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( $this->infoPrinter )( $text );
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}
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/**
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* @param string $text
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*/
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private function error( $text ) {
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$this->hasErrors = true;
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( $this->errorPrinter )( $text );
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}
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private function cleanUp() {
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wfRecursiveRemoveDir( $this->tmpParentDir );
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// Prune the cache of files we don't recognise.
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$knownKeys = [];
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foreach ( $this->registry as $module => $info ) {
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if ( $info['type'] === 'file' || $info['type'] === 'tar' ) {
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$knownKeys[] = $this->cacheKey( $info['src'], $info['integrity'], $module );
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} elseif ( $info['type'] === 'multi-file' ) {
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foreach ( $info['files'] as $file ) {
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$knownKeys[] = $this->cacheKey( $file['src'], $file['integrity'], $module );
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}
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}
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}
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foreach ( glob( "{$this->cacheDir}/*" ) as $cacheFile ) {
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if ( !in_array( basename( $cacheFile, '.data' ), $knownKeys ) ) {
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unlink( $cacheFile );
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}
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}
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}
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/**
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* @param string $moduleName
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* @param array $info
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*/
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private function validateLicense( $moduleName, $info ) {
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if ( !isset( $info['license'] ) || !is_string( $info['license'] ) ) {
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throw new LogicException(
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"Module '$moduleName' needs a valid SPDX license; no license is currently present"
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);
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}
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$licenses = new SpdxLicenses();
|
|
if ( !$licenses->validate( $info['license'] ) ) {
|
|
$this->error(
|
|
"Module '$moduleName' has an invalid SPDX license identifier '{$info['license']}', "
|
|
. "see <https://spdx.org/licenses/>.\n"
|
|
);
|
|
}
|
|
}
|
|
|
|
private function generateCdx( array $modules ): array {
|
|
$cdx = [
|
|
'$schema' => 'http://cyclonedx.org/schema/bom-1.6.schema.json',
|
|
'bomFormat' => 'CycloneDX',
|
|
'specVersion' => '1.6',
|
|
'serialNumber' => 'urn:uuid:' . $this->globalIdGenerator->newUUIDv4(),
|
|
'version' => 1,
|
|
'components' => [],
|
|
];
|
|
foreach ( $modules as $moduleName => $module ) {
|
|
$moduleCdx = [
|
|
'type' => 'library',
|
|
'name' => $moduleName,
|
|
'version' => $module['version'],
|
|
];
|
|
if ( preg_match( '/ (AND|OR|WITH) /', $module['license'] ) ) {
|
|
$moduleCdx['licenses'][] = [ 'expression' => $module['license'] ];
|
|
} else {
|
|
$moduleCdx['licenses'][] = [ 'license' => [ 'id' => $module['license'] ] ];
|
|
}
|
|
if ( $module['purl'] ?? false ) {
|
|
$moduleCdx['purl'] = $module['purl'];
|
|
}
|
|
if ( $module['version'] ?? false ) {
|
|
$moduleCdx['version'] = $module['version'];
|
|
}
|
|
if ( $module['authors'] ?? false ) {
|
|
$moduleCdx['authors'] = array_map(
|
|
fn ( $author ) => [ 'name' => $author ],
|
|
preg_split( '/,( and)? /', $module['authors'] )
|
|
);
|
|
}
|
|
if ( $module['homepage'] ?? false ) {
|
|
$moduleCdx['externalReferences'] = [ [ 'url' => $module['homepage'], 'type' => 'website' ] ];
|
|
}
|
|
$cdx['components'][] = $moduleCdx;
|
|
}
|
|
return $cdx;
|
|
}
|
|
}
|
|
|
|
/** @deprecated class alias since 1.40 */
|
|
class_alias( ForeignResourceManager::class, 'ForeignResourceManager' );
|