private function updateGitHubInfo(RemoteFilesystem $rfs, Package $package, $owner, $repo, VcsRepository $repository)
{
$baseApiUrl = 'https://api.github.com/repos/' . $owner . '/' . $repo;
$driver = $repository->getDriver();
if (!$driver instanceof GitHubDriver) {
return;
}
$repoData = $driver->getRepoData();
try {
$opts = ['http' => ['header' => ['Accept: application/vnd.github.v3.html']]];
$readme = $rfs->getContents('github.com', $baseApiUrl . '/readme', false, $opts);
} catch (\Exception $e) {
if (!$e instanceof \Composer\Downloader\TransportException || $e->getCode() !== 404) {
return;
}
// 404s just mean no readme present so we proceed with the rest
}
if (!empty($readme)) {
$elements = array('p', 'br', 'small', 'strong', 'b', 'em', 'i', 'strike', 'sub', 'sup', 'ins', 'del', 'ol', 'ul', 'li', 'h1', 'h2', 'h3', 'dl', 'dd', 'dt', 'pre', 'code', 'samp', 'kbd', 'q', 'blockquote', 'abbr', 'cite', 'table', 'thead', 'tbody', 'th', 'tr', 'td', 'a[href|target|rel|id]', 'img[src|title|alt|width|height|style]');
$config = \HTMLPurifier_Config::createDefault();
$config->set('HTML.Allowed', implode(',', $elements));
$config->set('Attr.EnableID', true);
$config->set('Attr.AllowedFrameTargets', ['_blank']);
$purifier = new \HTMLPurifier($config);
$readme = $purifier->purify($readme);
$dom = new \DOMDocument();
$dom->loadHTML('<?xml encoding="UTF-8">' . $readme);
// Links can not be trusted, mark them nofollow and convert relative to absolute links
$links = $dom->getElementsByTagName('a');
foreach ($links as $link) {
$link->setAttribute('rel', 'nofollow noopener external');
if ('#' === substr($link->getAttribute('href'), 0, 1)) {
$link->setAttribute('href', '#user-content-' . substr($link->getAttribute('href'), 1));
} elseif ('mailto:' === substr($link->getAttribute('href'), 0, 7)) {
// do nothing
} elseif (false === strpos($link->getAttribute('href'), '//')) {
$link->setAttribute('href', 'https://github.com/' . $owner . '/' . $repo . '/blob/HEAD/' . $link->getAttribute('href'));
}
}
// convert relative to absolute images
$images = $dom->getElementsByTagName('img');
foreach ($images as $img) {
if (false === strpos($img->getAttribute('src'), '//')) {
$img->setAttribute('src', 'https://raw.github.com/' . $owner . '/' . $repo . '/HEAD/' . $img->getAttribute('src'));
}
}
// remove first title as it's usually the project name which we don't need
if ($dom->getElementsByTagName('h1')->length) {
$first = $dom->getElementsByTagName('h1')->item(0);
$first->parentNode->removeChild($first);
} elseif ($dom->getElementsByTagName('h2')->length) {
$first = $dom->getElementsByTagName('h2')->item(0);
$first->parentNode->removeChild($first);
}
$readme = $dom->saveHTML();
$readme = substr($readme, strpos($readme, '<body>') + 6);
$readme = substr($readme, 0, strrpos($readme, '</body>'));
$package->setReadme($readme);
}
if (!empty($repoData['language'])) {
$package->setLanguage($repoData['language']);
}
if (isset($repoData['stargazers_count'])) {
$package->setGitHubStars($repoData['stargazers_count']);
}
if (isset($repoData['subscribers_count'])) {
$package->setGitHubWatches($repoData['subscribers_count']);
}
if (isset($repoData['network_count'])) {
$package->setGitHubForks($repoData['network_count']);
}
if (isset($repoData['open_issues_count'])) {
$package->setGitHubOpenIssues($repoData['open_issues_count']);
}
}
private function updateGitHubInfo(RemoteFilesystem $rfs, Package $package, $owner, $repo)
{
$baseApiUrl = 'https://api.github.com/repos/' . $owner . '/' . $repo;
try {
$repoData = JsonFile::parseJson($rfs->getContents('github.com', $baseApiUrl, false), $baseApiUrl);
} catch (\Exception $e) {
return;
}
try {
$opts = ['http' => ['header' => ['Accept: application/vnd.github.v3.html']]];
$readme = $rfs->getContents('github.com', $baseApiUrl . '/readme', false, $opts);
} catch (\Exception $e) {
if (!$e instanceof \Composer\Downloader\TransportException || $e->getCode() !== 404) {
return;
}
// 404s just mean no readme present so we proceed with the rest
}
if (!empty($readme)) {
$config = \HTMLPurifier_Config::createDefault();
$config->set('HTML.Allowed', 'a[href|target|rel|id],strong,b,em,i,strike,pre,code,p,ol,ul,li,br,h1,h2,h3,img[src|title|alt|width|height|style]');
$config->set('Attr.EnableID', true);
$config->set('Attr.AllowedFrameTargets', ['_blank']);
$purifier = new \HTMLPurifier($config);
$readme = $purifier->purify($readme);
$dom = new \DOMDocument();
$dom->loadHTML('<?xml encoding="UTF-8">' . $readme);
// Links can not be trusted
$links = $dom->getElementsByTagName('a');
foreach ($links as $link) {
$link->setAttribute('rel', 'nofollow');
if ('#' === substr($link->getAttribute('href'), 0, 1)) {
$link->setAttribute('href', '#user-content-' . substr($link->getAttribute('href'), 1));
} elseif (false === strpos($link->getAttribute('href'), '//')) {
$link->setAttribute('href', 'https://github.com/' . $owner . '/' . $repo . '/blob/HEAD/' . $link->getAttribute('href'));
}
}
// remove first title as it's usually the project name which we don't need
if ($dom->getElementsByTagName('h1')->length) {
$first = $dom->getElementsByTagName('h1')->item(0);
$first->parentNode->removeChild($first);
} elseif ($dom->getElementsByTagName('h2')->length) {
$first = $dom->getElementsByTagName('h2')->item(0);
$first->parentNode->removeChild($first);
}
$readme = $dom->saveHTML();
$readme = substr($readme, strpos($readme, '<body>') + 6);
$readme = substr($readme, 0, strrpos($readme, '</body>'));
$package->setReadme($readme);
}
if (!empty($repoData['language'])) {
$package->setLanguage($repoData['language']);
}
if (!empty($repoData['stargazers_count'])) {
$package->setGitHubStars($repoData['stargazers_count']);
}
if (!empty($repoData['subscribers_count'])) {
$package->setGitHubWatches($repoData['subscribers_count']);
}
if (!empty($repoData['network_count'])) {
$package->setGitHubForks($repoData['network_count']);
}
if (!empty($repoData['open_issues_count'])) {
$package->setGitHubOpenIssues($repoData['open_issues_count']);
}
}