]>
Commit | Line | Data |
---|---|---|
fd8710b8 C |
1 | import * as express from 'express' |
2 | import { UserRight } from '../../../../shared/models/users' | |
3 | import { asyncMiddleware, authenticate, ensureUserHasRight } from '../../../middlewares' | |
4 | import { mtimeSortFilesDesc } from '../../../../shared/utils/logs/logs' | |
5 | import { readdir } from 'fs-extra' | |
6 | import { CONFIG, MAX_LOGS_OUTPUT_CHARACTERS } from '../../../initializers' | |
7 | import { createInterface } from 'readline' | |
8 | import { createReadStream } from 'fs' | |
9 | import { join } from 'path' | |
10 | import { getLogsValidator } from '../../../middlewares/validators/logs' | |
11 | import { LogLevel } from '../../../../shared/models/server/log-level.type' | |
12 | ||
13 | const logsRouter = express.Router() | |
14 | ||
15 | logsRouter.get('/logs', | |
16 | authenticate, | |
17 | ensureUserHasRight(UserRight.MANAGE_LOGS), | |
18 | getLogsValidator, | |
19 | asyncMiddleware(getLogs) | |
20 | ) | |
21 | ||
22 | // --------------------------------------------------------------------------- | |
23 | ||
24 | export { | |
25 | logsRouter | |
26 | } | |
27 | ||
28 | // --------------------------------------------------------------------------- | |
29 | ||
30 | async function getLogs (req: express.Request, res: express.Response) { | |
31 | const logFiles = await readdir(CONFIG.STORAGE.LOG_DIR) | |
32 | const sortedLogFiles = await mtimeSortFilesDesc(logFiles, CONFIG.STORAGE.LOG_DIR) | |
33 | let currentSize = 0 | |
34 | ||
35 | const startDate = new Date(req.query.startDate) | |
36 | const endDate = req.query.endDate ? new Date(req.query.endDate) : new Date() | |
37 | const level: LogLevel = req.query.level || 'info' | |
38 | ||
39 | let output = '' | |
40 | ||
41 | for (const meta of sortedLogFiles) { | |
42 | const path = join(CONFIG.STORAGE.LOG_DIR, meta.file) | |
43 | ||
44 | const result = await getOutputFromFile(path, startDate, endDate, level, currentSize) | |
45 | if (!result.output) break | |
46 | ||
47 | output = output + result.output | |
48 | currentSize = result.currentSize | |
49 | ||
50 | if (currentSize > MAX_LOGS_OUTPUT_CHARACTERS) break | |
51 | } | |
52 | ||
53 | return res.json(output).end() | |
54 | } | |
55 | ||
56 | function getOutputFromFile (path: string, startDate: Date, endDate: Date, level: LogLevel, currentSize: number) { | |
57 | const startTime = startDate.getTime() | |
58 | const endTime = endDate.getTime() | |
59 | ||
60 | const logsLevel: { [ id in LogLevel ]: number } = { | |
61 | debug: 0, | |
62 | info: 1, | |
63 | warn: 2, | |
64 | error: 3 | |
65 | } | |
66 | ||
67 | return new Promise<{ output: string, currentSize: number }>(res => { | |
68 | const stream = createReadStream(path) | |
69 | let output = '' | |
70 | ||
71 | stream.once('close', () => res({ output, currentSize })) | |
72 | ||
73 | const rl = createInterface({ | |
74 | input: stream | |
75 | }) | |
76 | ||
77 | rl.on('line', line => { | |
78 | const log = JSON.parse(line) | |
79 | ||
80 | const logTime = new Date(log.timestamp).getTime() | |
81 | if (logTime >= startTime && logTime <= endTime && logsLevel[log.level] >= logsLevel[level]) { | |
82 | output += line | |
83 | ||
84 | currentSize += line.length | |
85 | ||
86 | if (currentSize > MAX_LOGS_OUTPUT_CHARACTERS) stream.close() | |
87 | } | |
88 | }) | |
89 | }) | |
90 | } |