Class: Rack::Chunked
Overview
Middleware that applies chunked transfer encoding to response bodies when the response does not include a Content-Length header.
Defined Under Namespace
Classes: Body, TrailerBody
Constant Summary
Constants included from Utils
Utils::COMMON_SEP, Utils::DEFAULT_SEP, Utils::ESCAPE_HTML, Utils::ESCAPE_HTML_PATTERN, Utils::HTTP_STATUS_CODES, Utils::InvalidParameterError, Utils::KeySpaceConstrainedParams, Utils::NULL_BYTE, Utils::PATH_SEPS, Utils::ParameterTypeError, Utils::STATUS_WITH_NO_ENTITY_BODY, Utils::SYMBOL_TO_STATUS_CODE
Instance Method Summary collapse
- #call(env) ⇒ Object
-
#chunkable_version?(ver) ⇒ Boolean
pre-HTTP/1.0 (informally “HTTP/0.9”) HTTP requests did not have a version (nor response headers).
-
#initialize(app) ⇒ Chunked
constructor
A new instance of Chunked.
Methods included from Utils
add_cookie_to_header, add_remove_cookie_to_header, best_q_match, build_nested_query, build_query, byte_ranges, clean_path_info, clock_time, delete_cookie_header!, escape, escape_html, escape_path, get_byte_ranges, key_space_limit, key_space_limit=, make_delete_cookie_header, param_depth_limit, param_depth_limit=, parse_cookies, parse_cookies_header, parse_nested_query, parse_query, q_values, rfc2109, rfc2822, secure_compare, select_best_encoding, set_cookie_header!, status_code, unescape, unescape_path, valid_path?
Constructor Details
#initialize(app) ⇒ Chunked
Returns a new instance of Chunked.
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# File 'lib/rack/chunked.rb', line 57 def initialize(app) @app = app end |
Instance Method Details
#call(env) ⇒ Object
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# File 'lib/rack/chunked.rb', line 72 def call(env) status, headers, body = @app.call(env) headers = HeaderHash.new(headers) if ! chunkable_version?(env[SERVER_PROTOCOL]) || STATUS_WITH_NO_ENTITY_BODY.key?(status.to_i) || headers[CONTENT_LENGTH] || headers[TRANSFER_ENCODING] [status, headers, body] else headers.delete(CONTENT_LENGTH) headers[TRANSFER_ENCODING] = 'chunked' if headers['Trailer'] [status, headers, TrailerBody.new(body)] else [status, headers, Body.new(body)] end end end |
#chunkable_version?(ver) ⇒ Boolean
pre-HTTP/1.0 (informally “HTTP/0.9”) HTTP requests did not have a version (nor response headers)
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# File 'lib/rack/chunked.rb', line 63 def chunkable_version?(ver) case ver when 'HTTP/1.0', nil, 'HTTP/0.9' false else true end end |