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Ninchat Master Keys

This document describes Ninchat master keys (API keys).

Copyright © Somia Reality Oy. All rights reserved.

Contents

Associated documents

Key Types

A master key always ultimately belongs to a specific Ninchat user. When the key is used, that master user exerts control over other users or resources.

Ninchat supports two types of master keys: "ninchat"-type keys are used with the algorithms described in Ninchat Signing and Secure Metadata, and "jwt"-type keys are used for creating JWT tokens; see Using JWT with Ninchat Master Keys.

Creating Keys

API keys can be created in two ways:

By default a master key may be used for the following things:

  • Authentication and control of puppet users.
  • Authorizing access to the master user's resources (such as channels).

A master key may optionally be specific to a realm (aka. organization). Such keys differ from the non-specific ones in the following ways:

  • They may not be used with puppets.
  • They authorize access only to the specific realm's resources.
  • Also the realm's operators may create and delete the keys.

Single Sign-On

Single sign-on can be implemented by generating session action signatures or JWT authentication tokens, and passing them to Ninchat.

Ninchat website

An existing puppet user can be logged in at the Ninchat website by forming a URL:

https://ninchat.com/app/#/x/login-sign/USER_ID/MASTER_KEY_TYPE/MASTER_SIGN
  • USER_ID is the Ninchat user id to log in (specify as - when using JWT).
  • MASTER_KEY_TYPE is "ninchat" or "jwt".
  • MASTER_SIGN is the generated signature.

Embedded Ninchat

A third-party service's user can be logged in via the embedded Ninchat client by specifying the masterKeyType and masterUserSign parameters. If the key type is "ninchat" and an existing user is to be logged in, the userId parameter must also be specified. Ninchat user id is never needed if the key type is "jwt".

If the user needs to be added to a channel, also the masterChannelSign parameter needs to be specified. A single JWT token containing authentication and authorization claims can be used as both the user and the channel signature. But if the key type is "ninchat", a separate channel action signature needs to be generated.

Secure Metadata

When Ninchat is integrated to a third-party service, secure metadata can be used to communicate arbitrary end user related information to the customer care agent. It typically contains identification of an authenticated user, plus other information that is helpful for the agent during the chat.

Secure metadata is encrypted by the third-party server, using the original encoding or encapsulated in a JWT token. The encrypted string is then passed to the web browser on the page which embeds Ninchat.

Non-secure metadata is specified via the embedded Ninchat client's audienceMetadata parameter, and secure metadata is included in the "secure" property.

You can use a validation tool to check that your code is generating valid secure metadata strings. The script requires Python.