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<?php |
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namespace Chadicus\Slim\OAuth2\Http; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Psr\Http\Message\UploadedFileInterface; |
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use OAuth2; |
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/** |
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* Static utility class for bridging Psr-7 Requests to OAuth2 Requests. |
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*/ |
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class RequestBridge |
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{ |
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/** |
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* Returns a new instance of \OAuth2\Request based on the given \Slim\Http\Request |
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* |
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* @param ServerRequestInterface $request The psr-7 request. |
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* |
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* @return OAuth2\Request |
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*/ |
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final public static function toOAuth2(ServerRequestInterface $request) |
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{ |
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$contents = $request->getBody()->getContents(); |
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$request->getBody()->rewind(); |
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return new OAuth2\Request( |
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(array)$request->getQueryParams(), |
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(array)$request->getParsedBody(), |
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$request->getAttributes(), |
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$request->getCookieParams(), |
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self::convertUploadedFiles($request->getUploadedFiles()), |
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$request->getServerParams(), |
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$contents, |
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self::cleanupHeaders($request->getHeaders()) |
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); |
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} |
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/** |
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* Helper method to clean header keys and values. |
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* |
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* Slim will convert all headers to Camel-Case style. There are certain headers such as PHP_AUTH_USER that the |
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* OAuth2 library requires CAPS_CASE format. This method will adjust those headers as needed. The OAuth2 library |
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* also does not expect arrays for header values, this method will implode the multiple values with a ', ' |
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* |
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* @param array $uncleanHeaders The headers to be cleaned. |
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* |
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* @return array The cleaned headers |
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*/ |
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private static function cleanupHeaders(array $uncleanHeaders = []) |
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{ |
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$cleanHeaders = []; |
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$headerMap = [ |
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'Php-Auth-User' => 'PHP_AUTH_USER', |
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'Php-Auth-Pw' => 'PHP_AUTH_PW', |
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'Php-Auth-Digest' => 'PHP_AUTH_DIGEST', |
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'Auth-Type' => 'AUTH_TYPE', |
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'HTTP_AUTHORIZATION' => 'AUTHORIZATION', |
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]; |
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foreach ($uncleanHeaders as $key => $value) { |
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if (array_key_exists($key, $headerMap)) { |
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$key = $headerMap[$key]; |
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} |
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$cleanHeaders[$key] = is_array($value) ? implode(', ', $value) : $value; |
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} |
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return $cleanHeaders; |
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} |
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/** |
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* Convert a PSR-7 uploaded files structure to a $_FILES structure. |
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* |
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* @param array $uploadedFiles Array of file objects. |
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* |
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* @return array |
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*/ |
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private static function convertUploadedFiles(array $uploadedFiles) |
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{ |
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$files = []; |
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foreach ($uploadedFiles as $name => $uploadedFile) { |
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if (!is_array($uploadedFile)) { |
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$files[$name] = self::convertUploadedFile($uploadedFile); |
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continue; |
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} |
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$files[$name] = []; |
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foreach ($uploadedFile as $file) { |
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$files[$name][] = self::convertUploadedFile($file); |
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} |
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} |
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return $files; |
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} |
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private static function convertUploadedFile(UploadedFileInterface $uploadedFile) |
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{ |
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return [ |
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'name' => $uploadedFile->getClientFilename(), |
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'type' => $uploadedFile->getClientMediaType(), |
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'size' => $uploadedFile->getSize(), |
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'tmp_name' => $uploadedFile->getStream()->getMetadata('uri'), |
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'error' => $uploadedFile->getError(), |
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]; |
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} |
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} |
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chadicus /
slim-oauth2-http
