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import { CustomerVariables } from '../utils/customer-variables/customer-variables'
import { CustomerVariableName, internalVariables } from '../utils/customer-variables/types'
import { maybeObfuscateVariable } from '../utils/customer-variables/maybe-obfuscate-variable'
export interface EnvVarInfo {
envVarName: string
value: string | number | null | undefined
isSet: boolean
isInternal: boolean
isOptional: boolean
// If null, the variable was resolved with the default value, otherwise it was resolved by the provider with the given name
resolvedBy: string | null
// Determines if the variable is relevant only for V3
isForV3Only: boolean
}
const v3Values = [CustomerVariableName.AgentDownloadPath, CustomerVariableName.GetResultPath]
const optionalValues = [CustomerVariableName.BehaviorPathNestLevel, ...v3Values]
export interface StatusInfo {
version: string
envInfo: EnvVarInfo[]
styleNonce: string
}
async function getEnvInfo(customerVariables: CustomerVariables) {
const infoArray: EnvVarInfo[] = await Promise.all(
Object.values(CustomerVariableName).map(async (variable) => {
const value = await maybeObfuscateVariable(customerVariables, variable)
return {
envVarName: variable,
value: value.value,
isSet: value.value !== null && value.value !== undefined && value.value !== '',
isInternal: internalVariables.has(variable),
isOptional: optionalValues.includes(variable),
resolvedBy: value.resolvedBy,
isForV3Only: v3Values.includes(variable),
}
})
)
return infoArray
}
interface ItemRow {
title: string
description?: string
children?: string
}
function renderItemRow({ title, description, children = '' }: ItemRow) {
return `
<div class="item">
<h3>${title}</h3>
${description ? `<p>${description}</p>` : ''}
${children}
</div>
`.trim()
}
const v3Icon = `<span data-tooltip="This variable is relevant only for V3 version of the JS Agent and can be ignored in later versions." class="v3-icon">V3 only</span>`
function renderEnvInfoRow(info: EnvVarInfo) {
let description = ''
if (info.isSet && info.resolvedBy) {
description = `Value is set`
} else {
description = `⚠️ Value is not defined ${info.value ? `and uses default value: ${info.value}` : ''}`
}
return `
<li>
<strong>${info.envVarName}${info.isForV3Only ? ` ${v3Icon}` : ''}</strong> - ${description}
</li>
`.trim()
}
function renderEnvInfo(envInfo: EnvVarInfo[]) {
const isAllCustomerDefinedVariablesSet = envInfo
.filter((info) => !info.isInternal && !info.isOptional)
.every((info) => info.isSet && info.resolvedBy)
return renderItemRow({
title: 'Variables',
description: isAllCustomerDefinedVariablesSet
? '✅ All required environment variables are set:'
: '🚨 Some required environment variables are not set:',
children: `
<ul class="env-info">
${envInfo
.filter((info) => !info.isInternal)
.toSorted((a, b) => (a.isForV3Only === b.isForV3Only ? 0 : a.isForV3Only ? 1 : -1))
.map(renderEnvInfoRow)
.join('')}
</ul>
`.trim(),
})
}
function renderHtml({ version, envInfo, styleNonce }: StatusInfo) {
return `
<html lang="en-US">
<head>
<title>CloudFront integration status</title>
<meta charset="utf-8">
<style nonce='${styleNonce}'>
.env-info {
display: flex;
flex-direction: column;
}
body {
display: flex;
flex-direction: column;
align-items: center;
}
body > * {
margin-bottom: 1em;
}
.v3-icon {
font-size: 10px;
color: #999;
}
.items {
display: flex;
flex-direction: column;
align-content: baseline;
gap: 2rem;
flex-wrap: wrap;
}
.item {
display: flex;
flex-direction: column;
align-items: flex-start;
gap: 1rem;
}
.item h3, p {
margin: 0;
}
ul {
margin: 0;
}
[data-tooltip] {
position: relative;
border-bottom: 1px dashed #000;
cursor: help
}
[data-tooltip]::after {
position: absolute;
opacity: 0;
pointer-events: none;
content: attr(data-tooltip);
left: 0;
top: calc(100% + 10px);
border-radius: 3px;
box-shadow: 0 0 5px 2px rgba(100, 100, 100, 0.6);
background-color: white;
z-index: 10;
padding: 8px;
width: 300px;
transform: translateY(-20px);
transition: all 150ms cubic-bezier(.25, .8, .25, 1);
}
[data-tooltip]:hover::after {
opacity: 1;
transform: translateY(0);
transition-duration: 300ms;
}
</style>
</head>
<body>
<h1>CloudFront integration status</h1>
<div class="items">
${renderItemRow({ title: 'Lambda function version', description: version })}
${renderEnvInfo(envInfo)}
</div>
<span>
Please reach out our support via <a href="mailto:support@fingerprint.com">support@fingerprint.com</a> if you have any issues
</span>
</body>
</html>
`
}
export async function getStatusInfo(customerVariables: CustomerVariables, styleNonce: string): Promise<StatusInfo> {
return {
version: '__lambda_func_version__',
envInfo: await getEnvInfo(customerVariables),
styleNonce,
}
}
export async function handleStatus(
customerVariables: CustomerVariables,
styleNonce: string
): Promise<CloudFrontResultResponse> {
const body = await getStatusInfo(customerVariables, styleNonce)
return {
status: '200',
body: renderHtml(body).trim(),
headers: {
'content-type': [{ key: 'Content-Type', value: 'text/html' }],
'content-security-policy': [
{
key: 'Content-Security-Policy',
value: `default-src 'none'; img-src https://fingerprint.com; style-src 'nonce-${styleNonce}'`,
},
],
},
}
}
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