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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 | import { plugins } from './registerPlugin'
import { unsealData } from './unsealData'
import { cloneFastlyResponse } from './cloneFastlyResponse'
import { getDecryptionKey, IntegrationEnv } from '../env'
type FingerprintSealedIngressResponseBody = {
sealedResult: string
}
export async function processOpenClientResponse(
bodyBytes: ArrayBuffer,
response: Response,
env: IntegrationEnv
): Promise<void> {
let responseBody: string | null = null
try {
responseBody = new TextDecoder('utf-8').decode(bodyBytes)
} catch (e) {
console.log(`Error occurred when decoding response to UTF-8: ${e}.`)
}
if (responseBody == null) {
console.log('responseBody is null. Skipping plugins and returning the response.')
return
}
const decryptionKey = getDecryptionKey(env)
if (!decryptionKey) {
throw new Error('Decryption key not found in secret store')
}
const parsedText = JSON.parse(responseBody) as FingerprintSealedIngressResponseBody
const event = unsealData(parsedText.sealedResult, decryptionKey)
const filteredPlugins = plugins.filter((t) => t.type === 'processOpenClientResponse')
for (const filteredPlugin of filteredPlugins) {
try {
const clonedHttpResponse = cloneFastlyResponse(bodyBytes, response)
await filteredPlugin.callback({ event, httpResponse: clonedHttpResponse })
} catch (e: unknown) {
console.error(`Plugin[${filteredPlugin.name}]`, e)
}
}
}
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