slack-twitter-unfurl

Why?

Since Twitter no longer offers OGP and we can't see tweets when not logged in. So, use the Twitter API to expand the link on slack.

How to Use

Create a slack app
1. Create a slack app
2. Add the event subscriptions
  1. Open Event Subscriptions page (in side navigation)
  2. Change Enable Events to On
  3. Subscribe to bot events
    - link_shared
  4. App unfurl domains - twitter.com
3. Add the OAuth scopes
  1. Open OAuth & Permissions page (in side navigation)
  2. Add the Bot Token Scopes (in Scopes Section)
  - links:read
  - links:write
  - links.embed:write
4. Install app to workspace
  1. Open Install App page (in side navigation)
  2. Click Install to Workspace button
  3. Click Allow button
  4. Copy Bot User OAuth Access Token
Deploy this app
1. Clone this repository
2. Create Queues
  1. Create a queue named slack-twitter-unfurl
```
$ wrangler queues create slack-twitter-unfurl
```
3. Set the Secret Variables
  1. Set the Secret Variables
```
$ wrangler secret put SLACK_BOT_TWITTER_UNFURL_TOKEN
```
    - SLACK_BOT_TWITTER_UNFURL_TOKEN: Bot User OAuth Access Token (in 1.4.4)
4. Deploy
```
  	$ wrangler publish
```