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nodejs - standalone code to upload data to amazon s3
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/* | |
this standalone nodejs code requires the following env variables to be set: | |
process.env.AWS_ACCESS_KEY_ID | |
process.env.AWS_S3_BUCKET | |
process.env.AWS_SECRET_ACCESS_KEY | |
*/ | |
/*jslint | |
bitwise: true, browser: true, | |
indent: 2, | |
maxerr: 8, | |
node: true, nomen: true, | |
regexp: true, | |
stupid: true, | |
todo: true | |
*/ | |
(function () { | |
'use strict'; | |
var options; | |
// init options | |
options = { | |
// init content-type | |
contentType: 'text/plain', | |
// init date used in hmac signature | |
date: new Date().toGMTString() + ' +0000', | |
// init data to upload | |
data: 'hello world!', | |
// init https method | |
method: 'PUT', | |
// init s3 url endpoint for uploaded data | |
// use env variable $AWS_S3_BUCKET | |
url: 'https://' + process.env.AWS_S3_BUCKET + '.s3.amazonaws.com/hello.txt' | |
}; | |
// parse url used in https request | |
options.host = require('url').parse(options.url).host; | |
options.path = require('url').parse(options.url).path; | |
// init hmac signature used in https authorization header | |
// use env variable $AWS_SECRET_ACCESS_KEY | |
options.hmac = require('crypto').createHmac('sha1', process.env.AWS_SECRET_ACCESS_KEY); | |
options.hmac.update('PUT\n\n' + options.contentType + '\n' + | |
options.date + '\n' + | |
'/' + process.env.AWS_S3_BUCKET + options.path); | |
// init headers | |
options.headers = { | |
// use env variable $AWS_ACCESS_KEY_ID | |
authorization: 'aws ' + process.env.AWS_ACCESS_KEY_ID + ':' + options.hmac.digest('base64'), | |
'content-length': Buffer.byteLength(options.data), | |
'content-type': options.contentType, | |
date: options.date, | |
host: options.host | |
}; | |
// init https request | |
options.request = require('https').request(options, function (response) { | |
response.on('data', function (chunk) { | |
// print error to stderr | |
console.error(String(chunk)); | |
}); | |
}); | |
// PUT https data to s3 | |
options.request.end(options.data); | |
}()); |
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