mirror of https://github.com/mastodon/mastodon
115 lines
2.8 KiB
JavaScript
115 lines
2.8 KiB
JavaScript
import { pino } from 'pino';
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import { pinoHttp, stdSerializers as pinoHttpSerializers } from 'pino-http';
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import * as uuid from 'uuid';
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/**
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* Generates the Request ID for logging and setting on responses
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* @param {http.IncomingMessage} req
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* @param {http.ServerResponse} [res]
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* @returns {import("pino-http").ReqId}
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*/
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function generateRequestId(req, res) {
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if (req.id) {
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return req.id;
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}
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req.id = uuid.v4();
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// Allow for usage with WebSockets:
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if (res) {
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res.setHeader('X-Request-Id', req.id);
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}
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return req.id;
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}
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/**
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* Request log sanitizer to prevent logging access tokens in URLs
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* @param {http.IncomingMessage} req
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*/
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function sanitizeRequestLog(req) {
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const log = pinoHttpSerializers.req(req);
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if (typeof log.url === 'string' && log.url.includes('access_token')) {
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// Doorkeeper uses SecureRandom.urlsafe_base64 per RFC 6749 / RFC 6750
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log.url = log.url.replace(/(access_token)=([a-zA-Z0-9\-_]+)/gi, '$1=[Redacted]');
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}
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return log;
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}
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export const logger = pino({
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name: "streaming",
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// Reformat the log level to a string:
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formatters: {
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level: (label) => {
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return {
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level: label
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};
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},
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},
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redact: {
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paths: [
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'req.headers["sec-websocket-key"]',
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// Note: we currently pass the AccessToken via the websocket subprotocol
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// field, an anti-pattern, but this ensures it doesn't end up in logs.
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'req.headers["sec-websocket-protocol"]',
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'req.headers.authorization',
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'req.headers.cookie',
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'req.query.access_token'
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]
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}
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});
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export const httpLogger = pinoHttp({
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logger,
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genReqId: generateRequestId,
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serializers: {
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req: sanitizeRequestLog
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}
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});
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/**
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* Attaches a logger to the request object received by http upgrade handlers
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* @param {http.IncomingMessage} request
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*/
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export function attachWebsocketHttpLogger(request) {
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generateRequestId(request);
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request.log = logger.child({
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req: sanitizeRequestLog(request),
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});
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}
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/**
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* Creates a logger instance for the Websocket connection to use.
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* @param {http.IncomingMessage} request
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* @param {import('./index.js').ResolvedAccount} resolvedAccount
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*/
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export function createWebsocketLogger(request, resolvedAccount) {
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// ensure the request.id is always present.
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generateRequestId(request);
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return logger.child({
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req: {
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id: request.id
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},
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account: {
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id: resolvedAccount.accountId ?? null
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}
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});
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}
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/**
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* Initializes the log level based on the environment
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* @param {Object<string, any>} env
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* @param {string} environment
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*/
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export function initializeLogLevel(env, environment) {
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if (env.LOG_LEVEL && Object.keys(logger.levels.values).includes(env.LOG_LEVEL)) {
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logger.level = env.LOG_LEVEL;
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} else if (environment === 'development') {
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logger.level = 'debug';
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} else {
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logger.level = 'info';
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}
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}
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