Allow changing the Slack API URL

Configuration is available through the SLACK_API_BASE_URL environment variable and defaults to https://slack.com/api/
bravecollective · May 24, 2024 · 6ff74c3 · 6ff74c3
1 parent b8f2350
commit 6ff74c3
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Showing 3 changed files with 9 additions and 2 deletions.
diff --git a/packages/backend/README.md b/packages/backend/README.md
@@ -90,6 +90,9 @@ As obtained via https://api.slack.com/apps
 ```sh
 # The Slack App's Bot User OAuth Token (starts with xoxb-)
 SLACK_TOKEN
+
+# The base URL of Slack's API (defaults to https://slack.com/api/)
+#SLACK_API_BASE_URL
 ```
 
 ### Neucore configuration

diff --git a/packages/backend/src/index.ts b/packages/backend/src/index.ts
@@ -27,7 +27,10 @@ async function main() {
     cacheTTL: getNumberFromEnv('CORE_GROUP_REFRESH_INTERVAL', 60) * 1000,
   })
 
-  const slackClient = new SlackClient(getFromEnv('SLACK_TOKEN'))
+  const slackClient = new SlackClient(
+    getFromEnv('SLACK_TOKEN'),
+    getOptionalFromEnv('SLACK_API_BASE_URL')
+  )
 
   const sessionTimeout = getNumberFromEnv('SESSION_TIMEOUT', 7 * 24 * 60 * 60) * 1000
   const sessionRefreshInterval = getNumberFromEnv('SESSION_REFRESH_INTERVAL', 60) * 1000

diff --git a/packages/backend/src/slack/slack-client.ts b/packages/backend/src/slack/slack-client.ts
@@ -17,9 +17,10 @@ export class SlackRequestFailedError extends Error {
 export class SlackClient {
   private client: WebClient
 
-  constructor(token: string) {
+  constructor(token: string, apiBaseUrl?: string) {
     this.client = new WebClient(token, {
       logLevel: LogLevel.DEBUG,
+      slackApiUrl: apiBaseUrl,
     })
   }