107 lines
3 KiB
TypeScript
107 lines
3 KiB
TypeScript
// Copyright 2021 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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import pino from 'pino';
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import { isRecord } from '../util/isRecord';
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import { redactAll } from '../util/privacy';
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import { missingCaseError } from '../util/missingCaseError';
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import { reallyJsonStringify } from '../util/reallyJsonStringify';
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import { LogLevel } from '../types/Logging';
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export { LogLevel };
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export type FetchLogIpcData = {
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capabilities: Record<string, unknown>;
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remoteConfig: Record<string, unknown>;
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statistics: Record<string, unknown>;
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user: Record<string, unknown>;
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// We expect `logEntries` to be `Array<LogEntryType>`, but we don't validate that
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// upfront—we only validate it when we go to log each line. This improves the
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// performance, because we don't have to iterate over every single log entry twice. It
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// also means we can log entries if only some of them are invalid.
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logEntries: Array<unknown>;
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};
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// We don't use Zod here because it'd be slow parsing all of the log entries.
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// Unfortunately, Zod is a bit slow even with `z.array(z.unknown())`.
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export const isFetchLogIpcData = (data: unknown): data is FetchLogIpcData =>
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isRecord(data) &&
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isRecord(data.capabilities) &&
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isRecord(data.remoteConfig) &&
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isRecord(data.statistics) &&
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isRecord(data.user) &&
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Array.isArray(data.logEntries);
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// These match [Pino's core fields][1].
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// [1]: https://getpino.io/#/?id=usage
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export type LogEntryType = Readonly<{
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level: LogLevel;
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msg: string;
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time: string;
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}>;
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// The code below is performance sensitive since it runs for > 100k log entries
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// whenever we want to send the debug log. We can't use `zod` because it clones
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// the data on successful parse and ruins the performance.
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export const isLogEntry = (data: unknown): data is LogEntryType => {
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if (!isRecord(data)) {
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return false;
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}
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const { level, msg, time } = data as Partial<LogEntryType>;
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if (typeof level !== 'number') {
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return false;
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}
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if (!LogLevel[level]) {
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return false;
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}
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if (typeof msg !== 'string') {
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return false;
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}
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if (typeof time !== 'string') {
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return false;
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}
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return !Number.isNaN(new Date(time).getTime());
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};
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export function getLogLevelString(value: LogLevel): pino.Level {
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switch (value) {
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case LogLevel.Fatal:
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return 'fatal';
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case LogLevel.Error:
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return 'error';
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case LogLevel.Warn:
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return 'warn';
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case LogLevel.Info:
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return 'info';
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case LogLevel.Debug:
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return 'debug';
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case LogLevel.Trace:
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return 'trace';
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default:
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throw missingCaseError(value);
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}
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}
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export function cleanArgs(args: ReadonlyArray<unknown>): string {
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return redactAll(
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args
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.map(item =>
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typeof item === 'string' ? item : reallyJsonStringify(item)
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)
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.join(' ')
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);
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}
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// To make it easier to visually scan logs, we make all levels the same length
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const levelFromName = pino().levels.values;
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export const levelMaxLength: number = Object.keys(levelFromName).reduce(
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(maxLength, level) => Math.max(maxLength, level.length),
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0
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);
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