82 lines
2.0 KiB
PHP
82 lines
2.0 KiB
PHP
<?php
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/*
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* This file is part of Psy Shell.
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*
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* (c) 2012-2023 Justin Hileman
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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 Psy\VersionUpdater;
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use Psy\Shell;
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class GitHubChecker implements Checker
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{
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const URL = 'https://api.github.com/repos/bobthecow/psysh/releases/latest';
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private ?string $latest = null;
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public function isLatest(): bool
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{
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// version_compare doesn't handle semver completely;
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// strip pre-release and build metadata before comparing
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$version = \preg_replace('/[+-]\w+/', '', Shell::VERSION);
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return \version_compare($version, $this->getLatest(), '>=');
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}
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public function getLatest(): string
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{
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if (!isset($this->latest)) {
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$this->setLatest($this->getVersionFromTag());
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}
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return $this->latest;
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}
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public function setLatest(string $version)
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{
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$this->latest = $version;
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}
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private function getVersionFromTag(): ?string
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{
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$contents = $this->fetchLatestRelease();
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if (!$contents || !isset($contents->tag_name)) {
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throw new \InvalidArgumentException('Unable to check for updates');
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}
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$this->setLatest($contents->tag_name);
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return $this->getLatest();
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}
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/**
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* Set to public to make testing easier.
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*
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* @return mixed
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*/
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public function fetchLatestRelease()
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{
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$context = \stream_context_create([
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'http' => [
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'user_agent' => 'PsySH/'.Shell::VERSION,
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'timeout' => 1.0,
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],
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]);
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\set_error_handler(function () {
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// Just ignore all errors with this. The checker will throw an exception
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// if it doesn't work :)
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});
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$result = @\file_get_contents(self::URL, false, $context);
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\restore_error_handler();
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return \json_decode($result);
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}
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}
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