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<?php |
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/** |
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* Humbug |
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* |
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* @category Humbug |
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* @package Humbug |
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* @copyright Copyright (c) 2015 Pádraic Brady (http://blog.astrumfutura.com) |
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* @license https://github.com/padraic/phar-updater/blob/master/LICENSE New BSD License |
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* |
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* This class is partially patterned after Composer's self-update. |
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*/ |
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namespace Humbug\SelfUpdate\Strategy; |
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use Humbug\SelfUpdate\Updater; |
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use Humbug\SelfUpdate\Exception\HttpRequestException; |
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use Humbug\SelfUpdate\Exception\InvalidArgumentException; |
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abstract class ShaStrategyAbstract implements StrategyInterface |
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{ |
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/** @private */ |
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const SUPPORTED_SCHEMES = [ |
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'http', |
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'https', |
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'file', |
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]; |
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/** |
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* @var string |
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*/ |
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protected $versionUrl; |
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/** |
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* @var string |
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*/ |
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protected $pharUrl; |
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/** |
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* Download the remote Phar file. |
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* |
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* @param Updater $updater |
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* @return void |
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*/ |
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public function download(Updater $updater) |
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{ |
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/** Switch remote request errors to HttpRequestExceptions */ |
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set_error_handler(array($updater, 'throwHttpRequestException')); |
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$result = file_get_contents($this->getPharUrl()); |
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restore_error_handler(); |
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if (false === $result) { |
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throw new HttpRequestException(sprintf( |
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'Request to URL failed: %s', $this->getPharUrl() |
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)); |
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} |
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file_put_contents($updater->getTempPharFile(), $result); |
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if ($this instanceof ShaStrategy |
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|| $this instanceof Sha256Strategy |
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) { |
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if ($this instanceof ShaStrategy) { |
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$tmpVersion = sha1_file($updater->getTempPharFile()); |
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$algo = 'SHA-1'; |
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} else { |
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$tmpVersion = hash_file('sha256', $updater->getTempPharFile()); |
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$algo = 'SHA-256'; |
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} |
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if ($tmpVersion !== $updater->getNewVersion()) { |
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throw new HttpRequestException(sprintf( |
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'Download file appears to be corrupted or outdated. The file ' |
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. 'received does not have the expected %s hash: %s.', |
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$algo, |
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$updater->getNewVersion() |
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)); |
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} |
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} |
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} |
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/** |
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* Set URL to phar file |
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* |
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* @param string $url |
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*/ |
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public function setPharUrl($url) |
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{ |
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if (!$this->validateAllowedUrl($url)) { |
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throw new InvalidArgumentException( |
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sprintf('Invalid url passed as argument: %s.', $url) |
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); |
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} |
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$this->pharUrl = $url; |
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} |
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/** |
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* Get URL for phar file |
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* |
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* @return string |
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*/ |
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public function getPharUrl() |
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{ |
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return $this->pharUrl; |
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} |
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/** |
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* Set URL to version file |
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* |
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* @param string $url |
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*/ |
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public function setVersionUrl($url) |
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{ |
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if (!$this->validateAllowedUrl($url)) { |
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throw new InvalidArgumentException( |
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sprintf('Invalid url passed as argument: %s.', $url) |
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); |
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} |
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$this->versionUrl = $url; |
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} |
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/** |
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* Get URL for version file |
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* |
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* @return string |
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*/ |
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public function getVersionUrl() |
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{ |
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return $this->versionUrl; |
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} |
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protected function validateAllowedUrl($url) |
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{ |
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return ( |
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filter_var($url, FILTER_VALIDATE_URL) |
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&& in_array(parse_url($url, PHP_URL_SCHEME), self::SUPPORTED_SCHEMES) |
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); |
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} |
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} |
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humbug /
phar-updater
