utilize client, fetch IDs

packages/artifact/src/internal/shared/util.ts

@@ -0,0 +1,73 @@
+import {getRetentionDays, getRuntimeToken} from './config'
+import jwt_decode from 'jwt-decode'
+import {Timestamp} from 'src/generated'
+
+export interface BackendIds {
+  workflowRunBackendId: string
+  workflowJobRunBackendId: string
+}
+
+interface ActionsToken {
+  scp: string
+}
+
+// uses the JWT token claims to get the
+// workflow run and workflow job run backend ids
+export function getBackendIdsFromToken(): BackendIds {
+  const token = getRuntimeToken()
+  const decoded = jwt_decode<ActionsToken>(token)
+  if (!decoded.scp) {
+    throw new Error('No scp claim in JWT token')
+  }
+
+  /*
+   * example decoded:
+   * {
+   *   scp: "Actions.ExampleScope Actions.Results:ce7f54c7-61c7-4aae-887f-30da475f5f1a:ca395085-040a-526b-2ce8-bdc85f692774"
+   * }
+   */
+
+  const scpParts = decoded.scp.split(' ')
+  if (scpParts.length === 0) {
+    throw new Error('No scp parts in JWT token')
+  }
+  /*
+   * example scpParts:
+   * ["Actions.ExampleScope", "Actions.Results:ce7f54c7-61c7-4aae-887f-30da475f5f1a:ca395085-040a-526b-2ce8-bdc85f692774"]
+   */
+
+  for (const scopes of scpParts) {
+    const scopeParts = scopes.split(':')
+    /*
+     * example scopeParts:
+     * ["Actions.Results", "ce7f54c7-61c7-4aae-887f-30da475f5f1a", "ca395085-040a-526b-2ce8-bdc85f692774"]
+     */
+    if (scopeParts.length !== 3) {
+      // not the Actions.Results scope
+      continue
+    }
+
+    if (scopeParts[0] !== 'Actions.Results') {
+      // not the Actions.Results scope
+      continue
+    }
+
+    return {
+      workflowRunBackendId: scopeParts[1],
+      workflowJobRunBackendId: scopeParts[2]
+    }
+  }
+
+  throw new Error('No valid Actions.Results scope in JWT token')
+}
+
+export function getExpiration(retentionDays?: number): Timestamp | undefined {
+  if (!retentionDays) {
+    return undefined
+  }
+
+  const expirationDate = new Date()
+  expirationDate.setDate(expirationDate.getDate() + retentionDays)
+
+  return Timestamp.fromDate(expirationDate)
+}