154 lines
4.8 KiB
PHP
154 lines
4.8 KiB
PHP
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<?php
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/*
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* This file is part of Composer.
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*
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* (c) Nils Adermann <naderman@naderman.de>
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* Jordi Boggiano <j.boggiano@seld.be>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Composer\Downloader;
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use Composer\Package\PackageInterface;
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use Composer\Downloader\DownloaderInterface;
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/**
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* Downloaders manager.
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*
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* @author Konstantin Kudryashov <ever.zet@gmail.com>
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*/
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class DownloadManager
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{
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private $preferSource = false;
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private $downloaders = array();
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/**
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* Initializes download manager.
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*
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* @param Boolean $preferSource prefer downloading from source
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*/
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public function __construct($preferSource = false)
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{
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$this->preferSource = $preferSource;
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}
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/**
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* Makes downloader prefer source installation over the dist.
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*
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* @param Boolean $preferSource prefer downloading from source
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*/
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public function preferSource($preferSource = true)
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{
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$this->preferSource = $preferSource;
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}
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/**
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* Sets installer downloader for a specific installation type.
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*
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* @param string $type installation type
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* @param DownloaderInterface $downloader downloader instance
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*/
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public function setDownloader($type, DownloaderInterface $downloader)
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{
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$this->downloaders[$type] = $downloader;
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}
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/**
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* Returns downloader for a specific installation type.
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*
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* @param string $type installation type
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*
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* @return DownloaderInterface
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*
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* @throws UnexpectedValueException if downloader for provided type is not registeterd
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*/
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public function getDownloader($type)
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{
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if (!isset($this->downloaders[$type])) {
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throw new \UnexpectedValueException('Unknown source type: '.$type);
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}
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return $this->downloaders[$type];
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}
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/**
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* Downloads package into target dir.
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*
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* @param PackageInterface $package package instance
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* @param string $targetDir target dir
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*
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* @return string downloader type (source/dist)
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*
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* @throws InvalidArgumentException if package have no urls to download from
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*/
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public function download(PackageInterface $package, $targetDir)
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{
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$sourceType = $package->getSourceType();
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$distType = $package->getDistType();
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if (!($this->preferSource && $sourceType) && $distType) {
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$downloader = $this->getDownloader($distType);
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$downloader->download(
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$package, $targetDir, $package->getDistUrl(), $package->getDistSha1Checksum()
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);
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return 'dist';
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}
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if ($sourceType) {
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$downloader = $this->getDownloader($sourceType);
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$downloader->download($package, $targetDir, $package->getSourceUrl());
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return 'source';
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}
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throw new \InvalidArgumentException('Package should have dist or source specified');
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}
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/**
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* Updates package from initial to target version.
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*
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* @param PackageInterface $initial initial package version
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* @param PackageInterface $target target package version
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* @param string $targetDir target dir
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* @param string $type downloader type (source/dist)
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*
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* @throws InvalidArgumentException if initial package is not installed
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*/
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public function update(PackageInterface $initial, PackageInterface $target, $targetDir, $type)
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{
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if ('dist' === $type) {
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$downloader = $this->getDownloader($initial->getDistType());
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$downloader->update($initial, $target, $targetDir);
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} elseif ('source' === $type) {
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$downloader = $this->getDownloader($initial->getSourceType());
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$downloader->update($initial, $target, $targetDir);
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} else {
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throw new \InvalidArgumentException('Package should have dist or source specified');
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}
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}
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/**
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* Removes package from target dir.
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*
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* @param PackageInterface $package package instance
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* @param string $targetDir target dir
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* @param string $type downloader type (source/dist)
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*/
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public function remove(PackageInterface $package, $targetDir, $type)
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{
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if ('dist' === $type) {
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$downloader = $this->getDownloader($package->getDistType());
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$downloader->remove($package, $targetDir);
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} elseif ('source' === $type) {
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$downloader = $this->getDownloader($package->getSourceType());
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$downloader->remove($package, $targetDir);
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} else {
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throw new \InvalidArgumentException('Package should have dist or source specified');
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}
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}
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}
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