Josh Authy josh-authy
josh-authy
/ verifyhmac.js
Last active
February 23, 2017 19:32
Function to verify the HMAC sig w/ Node
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| var qs = require('qs'); | |
| var crypto = require('crypto'); | |
| /** | |
| * Verify HMAC | |
| * @param proto | |
| * @param hostname | |
| * @param url | |
| * @param method | |
| * @param params |
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| var qs = require('qs'); | |
| var crypto = require('crypto'); | |
| /** | |
| * @param {http request} req | |
| * @param {!string} apiKey | |
| * @return {Boolean} True if verified | |
| */ | |
| function verifyCallback(req, apiKey) { |
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| sudo apt-get install cloud-utils | |
| And then you can: | |
| EC2_INSTANCE_ID=$(ec2metadata --instance-id) | |
| You can get most of the metadata associated with the instance this way: | |
| ec2metadata --help | |
| Syntax: /usr/bin/ec2metadata [options] | |
| Query and display EC2 metadata. |