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https://github.com/lilien1010/lua-resty-s3uploader
an http s3 client for openresty
https://github.com/lilien1010/lua-resty-s3uploader
Last synced: about 1 month ago
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an http s3 client for openresty
- Host: GitHub
- URL: https://github.com/lilien1010/lua-resty-s3uploader
- Owner: lilien1010
- Created: 2016-02-21T15:38:32.000Z (over 8 years ago)
- Default Branch: master
- Last Pushed: 2016-10-01T02:03:01.000Z (about 8 years ago)
- Last Synced: 2024-08-02T00:23:08.616Z (4 months ago)
- Language: Lua
- Size: 5.86 KB
- Stars: 11
- Watchers: 4
- Forks: 5
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
Awesome Lists containing this project
- awesome-resty - lua-resty-s3uploader
README
# lua s3 client
the HTTP client based on https://github.com/pintsized/lua-resty-http
## useage
upload content that client upload into this server,
`upload(content, content_type, object_name )`
the argument `object_name` is optional, if you don't specified object_name this file name will automatically specified as filemd5 append with content type postfix
like this
`http://buckname.s3.amazonaws.com/20160221/1943e3f9691387765_cc38a.obj`
## example code
``` lua
local cnf = require "config.HTconfig"
local upload = require "resty.upload"
-- clone from https://github.com/openresty/lua-resty-upload
local json = require "cjson"
local s3_upload = require "resty.s3_upload"
local base64_decode = ngx.decode_base64
local base64_encode = ngx.encode_base64
local string_len = string.len
local ngx_find = ngx.re.find
local chunk_size = 1024*10 -- should be set to 4096 or 8192
local ngx_gsub = ngx.re.gsub
local string_sub = string.sub
local form, err = upload:new(chunk_size)
if not form then
ngx.log(ngx.ERR, "failed to new upload: ", err)
ngx.exit(500)
end
local allowd_types = s3_upload.allowd_types
local timeOut = cnf.S3_UPLOAD_TIMEOUT
form:set_timeout(timeOcut) -- 1 se
local appender = ''
local start_upload = false;
local data_upload = false;
local content_type = '';
local data_ready = false;
local uploader = s3_upload:new(cnf.AWS_accessKey,cnf.AWS_secretKey,cnf.CHATVOC_BUCKET,timeOut)
while true do
local typ, res, err = form:read()
if not typ then
ngx.say(ngx.ERR,"failed to read: ", err)
return
end
if typ == "header" then
content_type = res[2]
ngx.log(ngx.INFO,"content_type: ", content_type)
if content_type and allowd_types[content_type] then
start_upload = true
end
local inputFile = [[name="input"]]
if res[1]=='Content-Disposition' and ngx_find(res[2] or '',inputFile) then
data_upload = true
end
ngx.log(ngx.INFO,"header: ", json.encode(res))
elseif typ == "body" then
if start_upload==true and res then
appender = appender..res
end
if data_upload == true and res then
ngx.log(ngx.NOTICE,"body : ", res)
data_upload = false
end
elseif typ == "part_end" then
if appender ~= '' then
local data_len = string_len(appender)
ngx.log(ngx.NOTICE,"start to upload ",content_type," len=" ,data_len)
if data_len>20 then
local filename = ngx.md5(appender)
local url,object_err = uploader:upload(appender,content_type)
if not url then
ngx.log(ngx.ERR, "postfix or url err ",postfix , url)
end
if url then
local show = json.encode({status="0";url=url})
ngx.print (show)
ngx.log(ngx.NOTICE,"success : ",show)
else
ngx.print (json.encode({status="507";url=url;err=err}))
ngx.log(ngx.ERR,"request return : ",err)
end
else
local reason = " body too short " .. content_type
ngx.log(ngx.NOTICE,reason)
ngx.print (json.encode({status="507" ;err=reason}))
end
appender = ''
start_upload = false
end
elseif typ == "eof" then
break
end
end
```
Copyright and License
=====================
This module is licensed under the BSD license.
Copyright (C) 2012-2014, by James Marlowe (jamesmarlowe) , Lumate LLC.
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.
[Back to TOC](#table-of-contents)
See Also
========
* the ngx_lua module: http://wiki.nginx.org/HttpLuaModule
* the [lua-resty-hmac](https://github.com/jamesmarlowe/lua-resty-hmac) library
[Back to TOC](#table-of-contents)