module Puma # Every standard HTTP code mapped to the appropriate message. These are # used so frequently that they are placed directly in Puma for easy # access rather than Puma::Const itself. HTTP_STATUS_CODES = { 100 => 'Continue', 101 => 'Switching Protocols', 200 => 'OK', 201 => 'Created', 202 => 'Accepted', 203 => 'Non-Authoritative Information', 204 => 'No Content', 205 => 'Reset Content', 206 => 'Partial Content', 300 => 'Multiple Choices', 301 => 'Moved Permanently', 302 => 'Moved Temporarily', 303 => 'See Other', 304 => 'Not Modified', 305 => 'Use Proxy', 400 => 'Bad Request', 401 => 'Unauthorized', 402 => 'Payment Required', 403 => 'Forbidden', 404 => 'Not Found', 405 => 'Method Not Allowed', 406 => 'Not Acceptable', 407 => 'Proxy Authentication Required', 408 => 'Request Time-out', 409 => 'Conflict', 410 => 'Gone', 411 => 'Length Required', 412 => 'Precondition Failed', 413 => 'Request Entity Too Large', 414 => 'Request-URI Too Large', 415 => 'Unsupported Media Type', 500 => 'Internal Server Error', 501 => 'Not Implemented', 502 => 'Bad Gateway', 503 => 'Service Unavailable', 504 => 'Gateway Time-out', 505 => 'HTTP Version not supported' } # For some HTTP status codes the client only expects headers. STATUS_WITH_NO_ENTITY_BODY = { 204 => true, 205 => true, 304 => true } # Frequently used constants when constructing requests or responses. Many times # the constant just refers to a string with the same contents. Using these constants # gave about a 3% to 10% performance improvement over using the strings directly. # # The constants are frozen because Hash#[]= when called with a String key dups # the String UNLESS the String is frozen. This saves us therefore 2 object # allocations when creating the env hash later. # # While Puma does try to emulate the CGI/1.2 protocol, it does not use the REMOTE_IDENT, # REMOTE_USER, or REMOTE_HOST parameters since those are either a security problem or # too taxing on performance. module Const # The default number of seconds for another request within a persistent # session. PERSISTENT_TIMEOUT = 20 DATE = "Date".freeze SCRIPT_NAME = "SCRIPT_NAME".freeze # The original URI requested by the client. REQUEST_URI= 'REQUEST_URI'.freeze REQUEST_PATH = 'REQUEST_PATH'.freeze PATH_INFO = 'PATH_INFO'.freeze PUMA_VERSION = VERSION = "1.1.0".freeze PUMA_TMP_BASE = "puma".freeze # The standard empty 404 response for bad requests. Use Error4040Handler for custom stuff. ERROR_404_RESPONSE = "HTTP/1.1 404 Not Found\r\nConnection: close\r\nServer: Puma #{PUMA_VERSION}\r\n\r\nNOT FOUND".freeze CONTENT_LENGTH = "CONTENT_LENGTH".freeze # A common header for indicating the server is too busy. Not used yet. ERROR_503_RESPONSE = "HTTP/1.1 503 Service Unavailable\r\n\r\nBUSY".freeze # The basic max request size we'll try to read. CHUNK_SIZE = 16 * 1024 # This is the maximum header that is allowed before a client is booted. The parser detects # this, but we'd also like to do this as well. MAX_HEADER = 1024 * (80 + 32) # Maximum request body size before it is moved out of memory and into a tempfile for reading. MAX_BODY = MAX_HEADER # A frozen format for this is about 15% faster STATUS_FORMAT = "HTTP/1.1 %d %s\r\nConnection: close\r\n".freeze CONTENT_TYPE = "Content-Type".freeze LAST_MODIFIED = "Last-Modified".freeze ETAG = "ETag".freeze SLASH = "/".freeze REQUEST_METHOD = "REQUEST_METHOD".freeze GET = "GET".freeze HEAD = "HEAD".freeze # ETag is based on the apache standard of hex mtime-size-inode (inode is 0 on win32) ETAG_FORMAT = "\"%x-%x-%x\"".freeze LINE_END = "\r\n".freeze REMOTE_ADDR = "REMOTE_ADDR".freeze HTTP_X_FORWARDED_FOR = "HTTP_X_FORWARDED_FOR".freeze HTTP_IF_MODIFIED_SINCE = "HTTP_IF_MODIFIED_SINCE".freeze HTTP_IF_NONE_MATCH = "HTTP_IF_NONE_MATCH".freeze REDIRECT = "HTTP/1.1 302 Found\r\nLocation: %s\r\nConnection: close\r\n\r\n".freeze HOST = "HOST".freeze SERVER_NAME = "SERVER_NAME".freeze SERVER_PORT = "SERVER_PORT".freeze HTTP_HOST = "HTTP_HOST".freeze PORT_80 = "80".freeze SERVER_PROTOCOL = "SERVER_PROTOCOL".freeze HTTP_11 = "HTTP/1.1".freeze HTTP_10 = "HTTP/1.0".freeze SERVER_SOFTWARE = "SERVER_SOFTWARE".freeze GATEWAY_INTERFACE = "GATEWAY_INTERFACE".freeze CGI_VER = "CGI/1.2".freeze STOP_COMMAND = "?".freeze HALT_COMMAND = "!".freeze RACK_INPUT = "rack.input".freeze RACK_URL_SCHEME = "rack.url_scheme".freeze RACK_AFTER_REPLY = "rack.after_reply".freeze HTTP = "http".freeze HTTPS = "https".freeze HTTPS_KEY = "HTTPS".freeze HTTP_VERSION = "HTTP_VERSION".freeze HTTP_CONNECTION = "HTTP_CONNECTION".freeze HTTP_11_200 = "HTTP/1.1 200 OK\r\n".freeze HTTP_10_200 = "HTTP/1.0 200 OK\r\n".freeze CLOSE = "close".freeze KEEP_ALIVE = "Keep-Alive".freeze CONTENT_LENGTH2 = "Content-Length".freeze CONTENT_LENGTH_S = "Content-Length: ".freeze TRANSFER_ENCODING = "Transfer-Encoding".freeze CONNECTION_CLOSE = "Connection: close\r\n".freeze CONNECTION_KEEP_ALIVE = "Connection: Keep-Alive\r\n".freeze TRANSFER_ENCODING_CHUNKED = "Transfer-Encoding: chunked\r\n".freeze CLOSE_CHUNKED = "0\r\n\r\n".freeze COLON = ": ".freeze NEWLINE = "\n".freeze end end