REST API Authentication On Atlassian using Discord as OAuth Provider

Using this app, you can authenticate the Application APIs using any third party OAuth/OIDC provider or API Tokens. The app supports Azure AD, Keycloak, Okta, AWS Cognito, Google, Github, Slack, Gitlab, Facebook and any custom provider.

Atlassian provides REST APIs to perform a number of operations such as Create Page, Delete Page, Add Comment, Create Space, etc. However, it supports only two authentication methods for REST APIs:
  1. Basic Authentication
  2. Using OAuth 1.0
The REST API Authentication plugin allows you to use any third party OAuth 2.0 provider/ OpenID connect to authenticate REST APIs. Here we will go through a guide to configure Azure AD as Provider.

Download And Installation

  • Log into your atlassian instance as admin.
  • Navigate to the settings menu and Click Manage Apps.
  • Click Find new apps or Find new add-ons from the left-hand side of the page.
  • Locate API Token/OAuth Authentication app.
  • Click Try free to begin a new trial or Buy now to purchase a license.
  • Enter your information and click Generate license when redirected to MyAtlassian.
  • Click Apply license.

Step 1: Configure Discord server:

Rest API OAuth, API token, API Key authentication for Jira and ConfluenceDiscord as OAuth Provider
  • After clicking on the New Application button it will show you the popup for providing a name to the application. Click on the Create button after providing the application name.
  • Navigate to the General Information section. Copy Client ID & Client Secret.
Rest API OAuth, API token, API Key authentication for Jira and Confluence Discord as OAuth Provider
  • Navigate to the OAuth2 section & click on Add Redirect button for adding the callback URL (Enter your application's Base URL). Once done click on the Save Changes button.
Rest API OAuth, API token, API Key authentication for Jira and Confluence Discord as OAuth Provider

Step 2: Fetch Access token through POSTMAN:

  • Open the Postman Application (Here is the link to download Postman Application).
  • Go to Authorization tab.
  • From the dropdown select type as OAuth 2.0 and  click on Get access token.
  • Add the following information from the table below.
  • Postman starts the authentication flow and prompts you to use the access token.
  • Select Add token to the header.
Field Value
Grant type Authorization Code or Client Credentials
Callback URL Enter your application's base URL if you dont have a callback URL
Auth URL https://discordapp.com/api/oauth2/authorize
Access token URL https://discordapp.com/api/oauth2/token
Client ID Enter the Discord Client ID
Client secret Enter the Discord Client secret
Scope identify
Client Authentication Send as Basic Auth Header
Rest API OAuth, API token, API Key authentication for Jira and Confluence Discord_accessToken
  • Copy the Access Token or click on Use Token.
A sample access token from Discord Provider looks like this.
e8ec210628306b1df26ff61e6b9b3195814a2d79d38a2c7c1dc5836f6ddd7143

Step 3: Fetch Username through Discord:

  • Choose the method type as "GET".
  • Enter the interoception Endpoint from the plugin to fetch the username in the Request URL. For Discord it is "https://discordapp.com/api/users/@me".
  • Go to the Authorization tab select the Bearer Token and enter the access token here.
  • Add the header "content-type: application/json" and click on Send.
Rest API OAuth, API token, API Key authentication for Jira and Confluence Discord_user Request:
     curl 
     -X GET 
     -H "Authorization: Bearer <Access Token>" 
     -H "Content-type: application/json" 
     https://discordapp.com/api/users/@me
Copy the attribute value against the username, you will need to configure it in plugin. In this example, the value is "username".

Step 4: Configure the Rest API plugin:

Step 1: Enable Rest API Authentication:
  • After installing the app, navigate to the Global Settings tab.
  • Here you will have to Enable the Authentication through Enable REST API Authentication and click on Save.
  • Go to the OAuth/OIDC tab and in the dropdown provided select Discord as the OAuth provider.
  • Enter the attribute value against which we received the username in the Postman response.
  • Save the settings.
Rest API OAuth, API token, API Key authentication for Jira and Confluence DiscordApp
Step 2: Disable Basic Authentication:
  • Disabling this will restrict all the REST API call made using Basic Authentication.

Step 5: Test REST API using access token:

  • Call any REST API. Include the access token in the Authorization header. Here’s an example of fetching content from Confluence.
  • Go to the Postman application select method type as GET and enter the Request URL. For eg. http://{Confluence_Base_URL}/confluence/rest/api/content/
  • In the Authorization tab select type as Bearer Token.
Rest API OAuth, API token, API Key authentication for Jira and Confluence Token  
  • In the Header tab add the header “content-type: application/json and send the request.
Rest API OAuth, API token, API Key authentication for Jira and Confluence Discord as OAuth Provider
Request:
     curl 
     -X GET  
     -H "Authorization: Bearer <Access Token>" 
     -H "Content-type: application/json" 
     http://{confluence_base_url}/confluence/rest/api/content/
  • This will show the content in Confluence and will return the status 200.
  • If the token is invalid or missing, the call will return a 401 Unauthorized response


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