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<?php |
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namespace alkemann\h2l\util; |
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/** |
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* Class Http |
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* |
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* Holds HTTP Spec constants, |
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* |
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* @package alkemann\h2l\util |
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*/ |
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class Http |
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{ |
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public const TRACE = 'TRACE'; |
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public const HEAD = 'HEAD'; |
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public const POST = 'POST'; |
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public const CONNECT = 'CONNECT'; |
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public const OPTIONS = 'OPTIONS'; |
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public const PUT = 'PUT'; |
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public const PATCH = 'PATCH'; |
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public const DELETE = 'DELETE'; |
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public const GET = 'GET'; |
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public const CONTENT_HTML = 'text/html'; |
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public const CONTENT_TEXT_XML = 'text/xml'; |
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public const CONTENT_XML = 'application/xml'; |
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public const CONTENT_TEXT = 'text/plain'; |
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public const CONTENT_FORM = 'application/x-www-form-urlencoded'; |
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public const CONTENT_JSON = 'application/json'; |
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public const CODE_CONTINUE = 100; |
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public const CODE_SWITCHING_PROTOCOLS = 101; |
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public const CODE_OK = 200; |
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public const CODE_CREATED = 201; |
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public const CODE_ACCEPTED = 202; |
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public const CODE_NON_AUTHORITATIVE_INFORMATION = 203; |
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public const CODE_NO_CONTENT = 204; |
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public const CODE_RESET_CONTENT = 205; |
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public const CODE_PARTIAL_CONTENT = 206; |
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public const CODE_MULTIPLE_CHOICES = 300; |
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public const CODE_MOVED_PERMANENTLY = 301; |
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public const CODE_FOUND = 302; |
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public const CODE_SEE_OTHER = 303; |
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public const CODE_NOT_MODIFIED = 304; |
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public const CODE_USE_PROXY = 305; |
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public const CODE_TEMPORARY_REDIRECT = 307; |
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public const CODE_BAD_REQUEST = 400; |
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public const CODE_UNAUTHORIZED = 401; |
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public const CODE_PAYMENT_REQUIRED = 402; |
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public const CODE_FORBIDDEN = 403; |
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public const CODE_NOT_FOUND = 404; |
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public const CODE_METHOD_NOT_ALLOWED = 405; |
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public const CODE_NOT_ACCEPTABLE = 406; |
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public const CODE_PROXY_AUTHENTICATION_REQUIRED = 407; |
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public const CODE_REQUEST_TIMEOUT = 408; |
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public const CODE_CONFLICT = 409; |
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public const CODE_GONE = 410; |
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public const CODE_LENGTH_REQUIRED = 411; |
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public const CODE_PRECONDITION_FAILED = 412; |
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public const CODE_REQUEST_ENTITY_TOO_LARGE = 413; |
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public const CODE_REQUEST_URI_TOO_LONG = 414; |
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public const CODE_UNSUPPORTED_MEDIA_TYPE = 415; |
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public const CODE_REQUESTED_RANGE_NOT_SATISFIABLE = 416; |
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public const CODE_EXPECTATION_FAILED = 417; |
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public const CODE_INTERNAL_SERVER_ERROR = 500; |
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public const CODE_NOT_IMPLEMENTED = 501; |
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public const CODE_BAD_GATEWAY = 502; |
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public const CODE_SERVICE_UNAVAILABLE = 503; |
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public const CODE_GATEWAY_TIMEOUT = 504; |
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public const CODE_HTTP_VERSION_NOT_SUPPORTED = 505; |
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/** |
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* @var array<string, string> |
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*/ |
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protected static $contentTypeToFileEnding = [ |
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'text/html' => 'html', |
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'application/json' => 'json', |
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'application/xml' => 'xml', |
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'text/xml' => 'xml', |
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'text/plain' => 'txt', |
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]; |
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/** |
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* @var array<int, string> |
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*/ |
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private static $code_to_message = [ |
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// Informational 1xx |
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100 => 'Continue', |
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101 => 'Switching Protocols', |
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// Successful 2xx |
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200 => 'OK', |
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201 => 'Created', |
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202 => 'Accepted', |
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203 => 'Non-Authoritative Information', |
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204 => 'No Content', |
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205 => 'Reset Content', |
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206 => 'Partial Content', |
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// Redirection 3xx |
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300 => 'Multiple Choices', |
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301 => 'Moved Permanently', |
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302 => 'Found', |
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303 => 'See Other', |
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304 => 'Not Modified', |
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305 => 'Use Proxy', |
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307 => 'Temporary Redirect', |
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// Client Error 4xx |
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400 => 'Bad Request', |
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401 => 'Unauthorized', |
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402 => 'Payment Required', |
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403 => 'Forbidden', |
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404 => 'Not Found', |
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405 => 'Method Not Allowed', |
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406 => 'Not Acceptable', |
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407 => 'Proxy Authentication Required', |
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408 => 'Request Timeout', |
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409 => 'Conflict', |
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410 => 'Gone', |
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411 => 'Length Required', |
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412 => 'Precondition Failed', |
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413 => 'Request Entity Too Large', |
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414 => 'Request-URI Too Long', |
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415 => 'Unsupported Media Type', |
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416 => 'Requested Range Not Satisfiable', |
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417 => 'Expectation Failed', |
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// Server Error 5xx |
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500 => 'Internal Server Error', |
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501 => 'Not Implemented', |
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502 => 'Bad Gateway', |
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503 => 'Service Unavailable', |
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504 => 'Gateway Timeout', |
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505 => 'HTTP Version Not Supported', |
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]; |
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/** |
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* Convert a content type, i.e. "appliction/json", to a file ending, i.e. json" |
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* |
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* @param string $type |
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* @return string |
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*/ |
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public static function fileEndingFromType(string $type): string |
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{ |
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foreach (self::$contentTypeToFileEnding as $type_key => $ending) { |
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if ($type === $type_key) { |
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return $ending; |
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} |
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} |
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return 'html'; |
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} |
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/** |
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* Convert a file ending, i.e. ".json", into a content type, i.e. "appliction/json" |
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* |
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* @param string $ending |
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* @return string |
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*/ |
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public static function contentTypeFromFileEnding(string $ending): string |
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{ |
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$type = array_search($ending, static::$contentTypeToFileEnding); |
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return $type == false ? 'text/html' : $type; |
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} |
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/** |
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* Convert and return the string "name" of a HTTP response code, or "Unknown" |
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* |
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* @param int $code |
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* @return string |
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*/ |
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public static function httpCodeToMessage(int $code): string |
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{ |
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return self::$code_to_message[$code] ?? "Unknown"; |
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} |
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/** |
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* Returns the request headers of a PHP Server array |
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* |
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* @param array $server_array |
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* @return array |
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*/ |
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public static function getRequestHeadersFromServerArray(array $server_array): array |
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{ |
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$out = []; |
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foreach ($server_array as $name => $value) { |
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if (substr($name, 0, 5) == "HTTP_") { |
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$name = str_replace(" ", "-", ucwords(strtolower(str_replace("_", " ", substr($name, 5))))); |
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$out[$name] = $value; |
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} |
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} |
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if (array_key_exists("CONTENT_TYPE", $server_array)) { |
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$out["Content-Type"] = $server_array['CONTENT_TYPE']; |
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} |
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if (array_key_exists("CONTENT_LENGTH", $server_array)) { |
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$out["Content-Length"] = $server_array['CONTENT_LENGTH']; |
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} |
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return $out; |
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} |
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} |
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