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Polls stream action. Cleanup lambda. SDK upgrades
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,131 @@ | ||
| import { | ||
| AdminDeleteUserCommand, | ||
| ListUsersCommand, | ||
| UserType | ||
| } from '@aws-sdk/client-cognito-identity-provider'; | ||
| import { WriteRequest } from '@aws-sdk/client-dynamodb'; | ||
| import { marshall } from '@aws-sdk/util-dynamodb'; | ||
|
|
||
| import { | ||
| batchDeleteItemsWithRetry, | ||
| cognitoClient, | ||
| convertToChunks | ||
| } from './helpers'; | ||
|
|
||
| const { CHANNELS_TABLE_NAME: channelsTableName, USER_POOL_ID: userPoolId } = | ||
| process.env; | ||
|
|
||
| export const handler = async () => { | ||
| try { | ||
| if (!channelsTableName || !userPoolId) | ||
| throw new Error( | ||
| 'Missing required variables: channelsTableName or userPoolId are not defined.' | ||
| ); | ||
|
|
||
| const deletedCognitoUserSubs: string[] = []; | ||
| let listUnconfirmedUsers: UserType[] = []; | ||
| let paginationToken: string | undefined; | ||
|
|
||
| const getUnconfirmedUsers = async () => { | ||
| const listUnconfirmedUsersCommand = new ListUsersCommand({ | ||
| UserPoolId: userPoolId, | ||
| Filter: 'cognito:user_status ="UNCONFIRMED"', | ||
| PaginationToken: paginationToken, | ||
| AttributesToGet: ['sub'] | ||
| }); | ||
|
|
||
| const listUnconfirmedUsersResponse = await cognitoClient.send( | ||
| listUnconfirmedUsersCommand | ||
| ); | ||
|
|
||
| if (listUnconfirmedUsersResponse?.Users) { | ||
| listUnconfirmedUsers = [ | ||
| ...listUnconfirmedUsers, | ||
| ...listUnconfirmedUsersResponse.Users | ||
| ]; | ||
| } | ||
| paginationToken = | ||
| listUnconfirmedUsersResponse.PaginationToken || undefined; | ||
|
|
||
| if (paginationToken) await getUnconfirmedUsers(); | ||
| }; | ||
|
|
||
| await getUnconfirmedUsers(); | ||
|
|
||
| if (listUnconfirmedUsers.length === 0) return; | ||
|
|
||
| // Filter users created at least 24 hours ago | ||
| const expiredUnconfirmedCognitoUsers = | ||
| listUnconfirmedUsers.filter((cognitoUser) => { | ||
| const { UserCreateDate = '' } = cognitoUser; | ||
| if (!UserCreateDate) return false; | ||
| const millisecondsInOneDay = 60 * 60 * 24 * 1000; | ||
|
|
||
| const timeElapsedSinceCreation = | ||
| new Date().getTime() - new Date(UserCreateDate).getTime(); | ||
|
|
||
| return Math.abs(timeElapsedSinceCreation) > millisecondsInOneDay; | ||
| }) || []; | ||
|
|
||
| if (expiredUnconfirmedCognitoUsers.length === 0) return; | ||
|
|
||
| // Delete unverified Cognito users created 24 hours or more ago in parallel | ||
| const deleteCognitoUserPromises = expiredUnconfirmedCognitoUsers.map( | ||
| ({ Username, Attributes }) => { | ||
| const subAttribute = Attributes?.find( | ||
| (attribute) => attribute.Name === 'sub' | ||
| ); | ||
|
|
||
| return new Promise(async (resolve, rejects) => { | ||
| try { | ||
| if (!Username || !subAttribute || !subAttribute.Value) return; | ||
|
|
||
| const deleteUserCommand = new AdminDeleteUserCommand({ | ||
| UserPoolId: userPoolId, | ||
| Username | ||
| }); | ||
| const response = await cognitoClient.send(deleteUserCommand); | ||
| deletedCognitoUserSubs.push(subAttribute.Value); | ||
| resolve(response); | ||
| } catch (err) { | ||
| console.error(err); | ||
| rejects({}); | ||
| } | ||
| }); | ||
| } | ||
| ); | ||
| await Promise.allSettled(deleteCognitoUserPromises); | ||
|
|
||
| if (deletedCognitoUserSubs.length) { | ||
| // Batch delete a maximum of 25 items at a time from DynamoDB. | ||
| const deleteRequests = deletedCognitoUserSubs.reduce((acc, userSubs) => { | ||
| return [ | ||
| ...acc, | ||
| { | ||
| DeleteRequest: { | ||
| Key: marshall({ | ||
| id: userSubs | ||
| }) | ||
| } | ||
| } | ||
| ]; | ||
| }, [] as WriteRequest[]); | ||
|
|
||
| const deleteRequestChunks = convertToChunks(deleteRequests, 25); | ||
|
|
||
| for (const chunkIndex in deleteRequestChunks) { | ||
| await batchDeleteItemsWithRetry({ | ||
| [channelsTableName]: deleteRequestChunks[chunkIndex] | ||
| }); | ||
| } | ||
| } | ||
| } catch (error) { | ||
| console.error(error); | ||
|
|
||
| throw new Error( | ||
| 'Failed to remove unverified users due to unexpected error' | ||
| ); | ||
| } | ||
| }; | ||
|
|
||
| export default handler; |
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