PostgreSQL implementation of JSON Web Tokens
This code requires the pgcrypto extension, included in most distribution's "postgresql-contrib" package. The tests require the pgtap extension to run.
You will require sudo privledges and the postgres development libraries for your operating system in most cases. For ubuntu on postgres 9.5 for example, you can install them with:
sudo apt-get install postgresql-server-dev-9.5
Clone the repository and then run:
'make install'
This creates a new extension that can be installed with 'CREATE EXTENSION pgjwt;'
To run the tests install pgtap and run 'pg_prove test/test.sql'. Another approach is to use the docker based test runner, but running './test.sh'. This will require you have docker installed.
Create a token. The first argument must be valid json, the second argument any text:
=> select sign('{"sub":"1234567890","name":"John Doe","admin":true}', 'secret');
sign
-------------------------------------------------------------------------------------------------------------------------------------------------------
eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiYWRtaW4iOnRydWV9.TJVA95OrM7E2cBab30RMHrHDcEfxjoYZgeFONFh7HgQ
Verify a token:
=> select * from verify('eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiYWRtaW4iOnRydWV9.TJVA95OrM7E2cBab30RMHrHDcEfxjoYZgeFONFh7HgQ', 'secret');
header | payload | valid
-----------------------------+-----------------------------------------------------+-------
{"alg":"HS256","typ":"JWT"} | {"sub":"1234567890","name":"John Doe","admin":true} | t
sign() and verify() take an optional algorithm argument that can be 'HS256', 'HS384' or 'HS512'. The default is 'HS256':
=> select sign('{"sub":"1234567890","name":"John Doe","admin":true}', 'secret', 'HS384'),
-
public/private keys when pgcrypto gets *_verify() functions
-
SET ROLE and key lookup helper functions
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