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Name

amazon s3 client for ngx_lua.

Implementation of the Amazon signature V4: http://docs.aws.amazon.com/zh_cn/AmazonS3/latest/API/sig-v4-authenticating-requests.html.

Usage

To load this library

you need to specify this library's path in ngx_lua's lua_package_path directive. For example:

http {
   lua_package_path '/path/to/lua-resty-s3/lib/?.lua;;';
}

you use require to load the library into a local Lua variable:

local awss3 = require("resty.s3")

Methods

-- require package
local awss3 = require "resty.s3"

-- init instance.
local s3 = awss3:new(AWSAccessKeyId, AWSSecretAccessKey, aws_bucket, {timeout=1000*10})

-- get a object. http://docs.aws.amazon.com/AmazonS3/latest/API/RESTObjectGET.html
local ok, response = s3:get(key)

-- get a object. http://docs.aws.amazon.com/AmazonS3/latest/API/RESTObjectHEAD.html
local ok, response = s3:head(key)

-- put a object. http://docs.aws.amazon.com/AmazonS3/latest/API/RESTObjectPUT.html
local ok, response = s3:put(key, value, headers)

-- delete a object. http://docs.aws.amazon.com/AmazonS3/latest/API/RESTObjectDELETE.html
local ok, response = s3:delete(key)

-- delete multi objects. http://docs.aws.amazon.com/AmazonS3/latest/API/multiobjectdeleteapi.html
local ok, response = s3:deletes(keys, quiet)

-- list files. http://docs.aws.amazon.com/AmazonS3/latest/API/v2-RESTBucketGET.html
local ok, files = s3:list(prefix, delimiter, page_size, marker)

-- copy files.  https://docs.aws.amazon.com/AmazonS3/latest/API/API_CopyObject.html
local ok, response = s3:copy(key, source, headers)

-- -- signature-v4. http://docs.aws.amazon.com/AmazonS3/latest/API/sig-v4-authenticating-requests.html
local authorization, signature, extinfo = s3:authorization_v4(method, url, headers)

depends

• ledgetech/lua-resty-http
• jkeys089/lua-resty-hmac >= 0.01

test

install test dependencies

• iresty/lua-resty-test >= 0.01

opm get jie123108/lua-resty-test

run the signature-v4-test-suite

cd path/to/lua-resty-s3
resty -I lib test/aws-sig-v4-test-suite.lua

• test suite：http://docs.aws.amazon.com/zh_cn/general/latest/gr/signature-v4-test-suite.html(The link is dead.)

Run the signature examples on the AWS website.

Signature Examples On AWS Website

resty -I lib test/test-s3-sign-examples.lua

Run s3 tests

Testing with Minio

Using docker to run minio:

• 1. Startup minio container

docker run -d -it --name s3 -p 9000:9000 \
-e MINIO_ACCESS_KEY=THE_ACCESS_KEY_ID \
-e MINIO_SECRET_KEY=THE_SECRET_ACCESS_KEY \
minio/minio server /data/minio_data

• 2. Access the minio console: http://127.0.0.1:9000/minio/
  • Access Key: THE_ACCESS_KEY_ID
  • Secret Key: THE_SECRET_ACCESS_KEY
• 3. Add a storage bucket named `def' in the console
  • Once logged in, click the + button in the lower right corner and click the Create bucket in the pop-up menu.

Run Tests:

resty -I lib test/test-s3.lua

Testing with aws s3

S3_CONFIG="S3_ACCESS_ID:S3_ACCESS_SECERT_KEY:s3_bucket_name:s3_region" resty -I lib test/test-s3.lua

Licence

This module is licensed under the 2-clause BSD license.

Copyright (c) 2017, Xiaojie Liu [email protected]

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 AN Y 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 (INCLUD ING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.