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clarity
Advanced tools
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Clarity is a small utility library that is used to provide "deobfuscation" support for your secure data. The library has been created to deal with the fact that configuration information is generally stored in plaintext and saved to repositories such as source control, or centralized configuration stores (at least that is the idea behind sharedconfig.
When this happens, it's very easy to accidently leak passwords or other information that should remain hidden.
Clarity makes it possible to store generalized information in these centralized stores, while storing more sensitive information in alternative stores and will reconcile the information at runtime when required.
The most common use case when using clarity is to use it to replace
configuration values with configuration values that are stored in
environment variables. For instance, consider the following simple
example config.json
file:
{
"dbserver": "localhost",
"dbport": "7632",
"dbuser": "admin",
"dbpass": "teapot"
}
If we were then to import our configuration into our node program, we would be able to access the configuration values:
var config = require('./config.json');
Using this technique for configuration, however, means that we don't have configurations for each of our environments (dev, test, staging, production) and we have also exposed some sensitive data in our configuration file. While we can use a package such as node-config to assist with managing configurations for different environments, we still have potentially sensitive information stored in our configuration files.
This can be avoided by using clarity to put value placeholders in our configuration instead:
{
"dbserver": "**DB_SERVER**",
"dbport": "**DB_PORT**",
"dbuser": "**DB_USER**",
"dbpass": "**DB_PASS**"
}
Now if we were to load the configuration via clarity we could use machine environment variables to replace the values:
var clarity = require('clarity')(process.env);
var config = clarity.decode(require('./config.json'));
All values that have appropriate environment variables (e.g.
process.env.DB_SERVER
) would be replaced with the relevant value
instead. The only downside of this technique is that in development you
need a whole swag of environment variables configured which can be quite
annoying.
To make life easier in development, you can use the default value functionality of clarity. This is implemented by separating the environment key with the default value using a pipe (|) character:
{
"dbserver": "**DB_SERVER|localhost**",
"dbport": "**DB_PORT|7632**",
"dbuser": "**DB_USER|admin**",
"dbpass": "**DB_PASS|teapot**"
}
It is possible to access nested data values using a period to traverse the data structure. Such as:
{
"dbserver": "**database.host**",
"dbport": "**database.port**",
"dbuser": "**database.user**",
"dbpass": "**database.password**"
}
Create a new instance of clarity.
var clarity = require('clarity')(process.env);
Which is equivalent to:
var Clarity = require('clarity');
var clarity = new Clarity(process.env);
Clear the data currently stored within the clarity store
The deepDecode
method is used to unpack an object and decode each
of the values within the object into it's actual value.
Extend the data stored within clarity with additional data that will be used at decode time.
Copyright (c) 2014 Damon Oehlman damon.oehlman@gmail.com
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the 'Software'), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
FAQs
Simple utility to convert obfuscated strings (primary use case is password urls) into the actual equivalent
The npm package clarity receives a total of 22 weekly downloads. As such, clarity popularity was classified as not popular.
We found that clarity demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
Did you know?
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Streamline your login process and enhance security by enabling Single Sign-On (SSO) on the Socket platform, now available for all customers on the Enterprise plan, supporting 20+ identity providers.
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