Class: Rack::ContentLength
- Inherits:
-
Object
- Object
- Rack::ContentLength
- Includes:
- Utils
- Defined in:
- lib/rack/content_length.rb
Overview
Sets the content-length header on responses that do not specify a content-length or transfer-encoding header. Note that this does not fix responses that have an invalid content-length header specified.
Constant Summary
Constants included from Utils
Utils::COMMON_SEP, Utils::DEFAULT_SEP, Utils::HTTP_STATUS_CODES, Utils::InvalidParameterError, Utils::KeySpaceConstrainedParams, Utils::NULL_BYTE, Utils::PATH_SEPS, Utils::ParameterTypeError, Utils::ParamsTooDeepError, Utils::STATUS_WITH_NO_ENTITY_BODY, Utils::SYMBOL_TO_STATUS_CODE
Instance Method Summary collapse
- #call(env) ⇒ Object
-
#initialize(app) ⇒ ContentLength
constructor
A new instance of ContentLength.
Methods included from Utils
best_q_match, build_nested_query, build_query, byte_ranges, clean_path_info, #clock_time, delete_cookie_header!, delete_set_cookie_header, delete_set_cookie_header!, escape, escape_path, forwarded_values, get_byte_ranges, param_depth_limit, param_depth_limit=, parse_cookies, parse_cookies_header, parse_nested_query, parse_query, q_values, rfc2822, #secure_compare, select_best_encoding, set_cookie_header, set_cookie_header!, status_code, unescape, unescape_path, valid_path?
Constructor Details
#initialize(app) ⇒ ContentLength
Returns a new instance of ContentLength.
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# File 'lib/rack/content_length.rb', line 15 def initialize(app) @app = app end |
Instance Method Details
#call(env) ⇒ Object
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# File 'lib/rack/content_length.rb', line 19 def call(env) status, headers, body = response = @app.call(env) if !STATUS_WITH_NO_ENTITY_BODY.key?(status.to_i) && !headers[CONTENT_LENGTH] && !headers[TRANSFER_ENCODING] && body.respond_to?(:to_ary) response[2] = body = body.to_ary headers[CONTENT_LENGTH] = body.sum(&:bytesize).to_s end response end |