Python Microservices Development

The JWT standard

The JSON Web Token (JWT) described in RFC 7519 (https://tools.ietf.org/html/rfc7519) is a standard that is commonly used to represent tokens.

Tokens are, in that case, a long string composed of three dot-separated parts:

• Header: This provides info on the token, such as which hashing algorithm is used
• Payload: This is the actual data
• Signature: This is a signed hash of the token to check that it's legitimate

JWT tokens are base64 encoded so they can be used in query strings.

Here's a JWT token in its encoded form:

eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VyIjoidGFyZWsifQ.OeMWz6ahNsf-TKg8LQNdNMnFHNtReb0x3NMs0eY64WA

Each part in the token above is separated by a line break for display purpose. The original token is a ...