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Name

ngx.resp - Lua API for HTTP response handling.

Table of Contents

Status

This Lua module is currently considered experimental.

Synopsis

local ngx_resp = require "ngx.resp"

-- add_header
ngx_resp.add_header("Foo", "bar")
ngx_resp.add_header("Foo", "baz")
--> there will be two new headers in HTTP response:
--> Foo: bar and Foo: baz

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Description

This Lua module provides Lua API which could be used to handle HTTP response.

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Methods

All the methods of this module are static (or module-level). That is, you do not need an object (or instance) to call these methods.

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add_header

syntax: ngx_resp.add_header(header_name, header_value)

This function adds specified header with corresponding value to the response of current request. The header_value could be either a string or a table.

The ngx.resp.add_header works mostly like:

However, unlike ngx.header.HEADER, this method appends new header to the old one instead of overriding it.

Unlike add_header directive, this method will override the builtin header instead of appending it.

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Community

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English Mailing List

The openresty-en mailing list is for English speakers.

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Chinese Mailing List

The openresty mailing list is for Chinese speakers.

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Bugs and Patches

Please report bugs or submit patches by

  1. creating a ticket on the GitHub Issue Tracker,
  2. or posting to the OpenResty community.

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Copyright and License

This module is licensed under the BSD license.

Copyright (C) 2018, by Yichun "agentzh" Zhang, OpenResty Inc.

All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

  • Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.

  • Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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See Also

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