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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 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 | 42x 42x 42x 42x 42x 2x 6x 6x 2x 4x 4x 28x | import { TypedEnv } from './types'
import { matchUrl } from './urlMatching'
import { handleScriptsInjection } from './handlers/handleScriptsInjection'
import { handleScript } from './handlers/handleScript'
import {
getCDNHost,
getFallbackRuleAction,
getFpLogLevel,
getFpRegion,
getIngressBaseHost,
getProtectedApis,
getPublicKey,
getRoutePrefix,
getRulesetId,
getSecretKey,
isMonitorMode,
} from './env'
import { handleError } from './handlers/handleError'
import { fetchOrigin } from './utils/origin'
import { handleProtectedApiCall } from './handlers/handleProtectedApi'
import { IdentificationClient } from './fingerprint/identificationClient'
export async function handleRequest(request: Request, env: TypedEnv): Promise<Response> {
console.info('Handling request', request)
const identificationClient = new IdentificationClient(
getFpRegion(env),
getIngressBaseHost(env),
getSecretKey(env),
getRoutePrefix(env),
getRulesetId(env)
)
try {
const matchedUrl = matchUrl(new URL(request.url), request.method, env)
switch (matchedUrl?.type) {
case 'identification':
return await handleScriptsInjection({ request, env })
case 'script':
return await handleScript({
request,
script: matchedUrl.script,
publicApiKey: getPublicKey(env),
cdnHost: getCDNHost(env),
protectedApis: getProtectedApis(env),
routePrefix: getRoutePrefix(env),
logLevel: getFpLogLevel(env),
})
case 'browserCache':
if (request.method === 'GET') {
return identificationClient.browserCache(request)
}
console.warn(`Invalid method for browser cache request: ${request.method}. Falling back to origin.`)
return fetchOrigin(request)
case 'protection':
return await handleProtectedApiCall({
request,
identificationClient,
fallbackRule: getFallbackRuleAction(env),
routePrefix: getRoutePrefix(env),
isMonitorMode: isMonitorMode(env),
})
default:
console.info('No matched url')
return fetchOrigin(request)
}
} catch (error) {
return handleError(error)
}
}
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