generate-access-token-with-pkce

This is a simple web site to generate access token with PKCE for Twitter App. This site is intended to run in a local environment.

Usage

1. Execute following command to run the site.

   docker-compose up
   

2. Access to http://127.0.0.1:8888/auth/ , and follow the instructions in that page.

   Step 0: Create Twitter App and create appconfig.json

   Access to Twitter Developers Portal and create a new Twitter app. Then, please input following url to OAuth redirect URL form.

   http://127.0.0.1:8888/auth/step2-3/
   

   Create appconfig.json file

   Please create appconfig.json file with following format, and put it to /auth directory.

   cp auth/appconfig.json.sample auth/appconfig.json
   

   and edit it.

   Step 1: The authorization request

   Access the link displayed on the page to request authorization.

   Step 2: Arrow app, and get authorization result

   When you authenticate on the Twitter app authentication screen, you will be redirected to http://127.0.0.1:8888/auth/step2-3/ and the authentication results will be displayed.

   Step 3: Exchange token

   Execute the curl command shown on the screen to obtain an access token. The result will be output to the token.json file.

3. (option) Refresh access token.

   If you have refresh_token, the following command can be executed to refresh the access token.

   curl -u ${CLIENT_ID}:${CLIENT_SECRET} \
   -X POST 'https://api.twitter.com/2/oauth2/token' \
   --header 'Content-Type: application/x-www-form-urlencoded' \
   --data-urlencode "refresh_token=${REF_TOKEN}" \
   --data-urlencode 'grant_type=refresh_token' \
   --data-urlencode "client_id=${CLIENT_ID}" \
   | jq