George P. Milliken gpmilliken
gpmilliken
/ get-lambda-event-source.js
Created
January 20, 2025 16:15
— forked from jeshan/get-lambda-event-source.js
AWS Lambda: Determine Event Source from event object. Note that this is an approximation as anybody can send a payload that resembles the real thing.
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| function getLambdaEventSource(event) { | |
| if (event.Records && event.Records[0].cf) return 'isCloudfront'; | |
| if (event.configRuleId && event.configRuleName && event.configRuleArn) return 'isAwsConfig'; | |
| if (event.Records && (event.Records[0].eventSource === 'aws:codecommit')) return 'isCodeCommit'; | |
| if (event.authorizationToken === "incoming-client-token") return 'isApiGatewayAuthorizer'; | |
| if (event.StackId && event.RequestType && event.ResourceType) return 'isCloudFormation'; |