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index.js
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index.js
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const {
sendPayloadToTreblle,
generateFieldsToMask,
maskSensitiveValues,
getRequestDuration,
generateTrebllePayload,
getResponsePayload,
} = require('@treblle/utils')
const { version: sdkVersion } = require('./package.json')
module.exports = treblle
/**
* Expose the Treblle middleware
* @param {{apiKey?: string, projectId?: string, additionalFieldsToMask?: string[]}} options - Middleware options.
* @returns {Function} - treblle-koa middleware.
*/
function treblle({
apiKey = process.env.TREBLLE_API_KEY,
projectId = process.env.TREBLLE_PROJECT_ID,
additionalFieldsToMask = [],
} = {}) {
return async function treblleMiddleware(ctx, next) {
// Track when this request was received.
const requestStartTime = process.hrtime()
await next()
const loadTime = getRequestDuration(requestStartTime)
let errors = []
const body = ctx.request.body
const query = ctx.query
const requestPayload = { ...body, ...query }
const fieldsToMask = generateFieldsToMask(additionalFieldsToMask)
const maskedRequestPayload = maskSensitiveValues(requestPayload, fieldsToMask)
const protocol = `${ctx.request.protocol}/${ctx.req.httpVersion}`
const { payload: maskedResponseBody, error: invalidResponseBodyError } = getResponsePayload(
ctx.body,
fieldsToMask
)
if (invalidResponseBodyError) {
errors.push(invalidResponseBodyError)
}
const trebllePayload = generateTrebllePayload(
{
api_key: apiKey,
project_id: projectId,
sdk: 'koa',
version: sdkVersion,
},
{
server: {
protocol,
},
request: {
ip: ctx.ip,
url: ctx.href,
user_agent: ctx.headers['user-agent'],
method: ctx.method,
headers: maskSensitiveValues(ctx.headers, fieldsToMask),
body: maskedRequestPayload,
},
response: {
headers: maskSensitiveValues(ctx.response.headers, fieldsToMask),
code: ctx.status,
size: ctx.length,
load_time: loadTime,
body: maskedResponseBody,
},
errors,
}
)
try {
sendPayloadToTreblle(trebllePayload, apiKey)
} catch (error) {
console.log(error)
}
}
}