132 lines
3.5 KiB
PHP
132 lines
3.5 KiB
PHP
<?php
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namespace Misuzu;
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function ghcb_strip_prefix(string $line): string {
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$findColon = mb_strpos($line, ':');
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return trim($findColon === false || $findColon >= 10 ? $line : mb_substr($line, $findColon + 1));
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}
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function ghcb_changelog_action(string &$line): string {
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$original = trim($line);
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$line = ghcb_strip_prefix($line);
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$firstSix = mb_strtolower(mb_substr($original, 0, 6));
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if($firstSix === 'revert'
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|| $firstSix === 'restor')
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return 'revert';
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if($firstSix === 'import')
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return 'import';
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$firstThree = mb_strtolower(mb_substr($original, 0, 3));
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if($firstThree === 'add'
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|| $firstSix === 'create')
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return 'add';
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if($firstThree === 'fix')
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return 'fix';
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$firstFour = mb_strtolower(mb_substr($original, 0, 4));
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$firstEight = mb_strtolower(mb_substr($original, 0, 8));
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if($firstSix === 'delete'
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|| $firstSix === 'remove'
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|| $firstFour === 'nuke'
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|| $firstEight === 'dropkick')
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return 'remove';
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return 'update';
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}
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header('Content-Type: text/plain; charset=utf-8');
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if($_SERVER['REQUEST_METHOD'] !== 'POST')
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die('no');
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$config = MSZ_CONFIG . '/github.ini';
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if(!is_file($config))
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die('config missing');
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$config = parse_ini_file($config, true);
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if(empty($config['tokens']['token']))
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die('config invalid');
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$isGitea = isset($_SERVER['HTTP_X_GITEA_DELIVERY']) && isset($_SERVER['HTTP_X_GITEA_EVENT']);
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$rawData = file_get_contents('php://input');
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$sigParts = $isGitea
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? ['sha256', $_SERVER['HTTP_X_GITEA_SIGNATURE']]
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: explode('=', $_SERVER['HTTP_X_HUB_SIGNATURE'] ?? '', 2);
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if(empty($sigParts[1]))
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die('invalid signature');
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$repoAuthenticated = false;
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foreach($config['tokens']['token'] as $repoName => $repoToken) {
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if(hash_equals(hash_hmac($sigParts[0], $rawData, $repoToken), $sigParts[1])) {
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$repoAuthenticated = true;
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break;
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}
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}
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if(!$repoAuthenticated)
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die('signature check failed');
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$data = json_decode($_SERVER['CONTENT_TYPE'] === 'application/x-www-form-urlencoded'
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? $_POST['payload']
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: $rawData);
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if(empty($data))
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die('body is corrupt');
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if(empty($data->repository->full_name))
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die('body is corrupt');
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if($data->repository->full_name !== $repoName)
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die('invalid repository token');
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if($_SERVER['HTTP_X_GITHUB_EVENT'] !== 'push')
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die('only push event is supported');
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$commitCount = count($data->commits);
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if($commitCount < 1)
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die('no commits received');
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$repoInfo = $config['repo:' . $repoName] ?? [];
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$repoMaster = 'refs/heads/master';
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if(!empty($repoInfo['master']))
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$repoMaster = $repoInfo['master'];
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if($data->ref !== $repoMaster)
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die('only the master branch is tracked');
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$changelog = $msz->getChangelog();
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$tags = $repoInfo['tags'] ?? [];
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$addresses = $config['addresses'] ?? [];
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foreach($data->commits as $commit) {
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$message = trim($commit->message);
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if(mb_strpos($message, $repoName) !== false
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|| mb_substr($message, 0, 2) === '//'
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|| mb_strpos(mb_strtolower($message), 'merge pull request') !== false)
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continue;
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$index = mb_strpos($message, "\n");
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$line = $index === false ? $message : mb_substr($message, 0, $index);
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$body = trim($index === false ? '' : mb_substr($message, $index + 1));
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$changeInfo = $changelog->createChange(
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ghcb_changelog_action($line),
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$line, $body,
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$addresses[$commit->author->email] ?? null,
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max(1, strtotime($commit->timestamp))
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);
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if(!empty($tags))
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foreach($tags as $tag)
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$changelog->addTagToChange($changeInfo, $tag);
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}
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