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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' | |
2c22613c | 5 | import { readdir, readFile } from 'fs-extra' |
fd8710b8 | 6 | import { CONFIG, MAX_LOGS_OUTPUT_CHARACTERS } from '../../../initializers' |
fd8710b8 C |
7 | import { join } from 'path' |
8 | import { getLogsValidator } from '../../../middlewares/validators/logs' | |
9 | import { LogLevel } from '../../../../shared/models/server/log-level.type' | |
10 | ||
11 | const logsRouter = express.Router() | |
12 | ||
13 | logsRouter.get('/logs', | |
14 | authenticate, | |
15 | ensureUserHasRight(UserRight.MANAGE_LOGS), | |
16 | getLogsValidator, | |
17 | asyncMiddleware(getLogs) | |
18 | ) | |
19 | ||
20 | // --------------------------------------------------------------------------- | |
21 | ||
22 | export { | |
23 | logsRouter | |
24 | } | |
25 | ||
26 | // --------------------------------------------------------------------------- | |
27 | ||
28 | async function getLogs (req: express.Request, res: express.Response) { | |
29 | const logFiles = await readdir(CONFIG.STORAGE.LOG_DIR) | |
30 | const sortedLogFiles = await mtimeSortFilesDesc(logFiles, CONFIG.STORAGE.LOG_DIR) | |
31 | let currentSize = 0 | |
32 | ||
33 | const startDate = new Date(req.query.startDate) | |
34 | const endDate = req.query.endDate ? new Date(req.query.endDate) : new Date() | |
35 | const level: LogLevel = req.query.level || 'info' | |
36 | ||
2c22613c | 37 | let output: string[] = [] |
fd8710b8 C |
38 | |
39 | for (const meta of sortedLogFiles) { | |
40 | const path = join(CONFIG.STORAGE.LOG_DIR, meta.file) | |
41 | ||
42 | const result = await getOutputFromFile(path, startDate, endDate, level, currentSize) | |
43 | if (!result.output) break | |
44 | ||
2c22613c | 45 | output = result.output.concat(output) |
fd8710b8 C |
46 | currentSize = result.currentSize |
47 | ||
2c22613c | 48 | if (currentSize > MAX_LOGS_OUTPUT_CHARACTERS || (result.logTime && result.logTime < startDate.getTime())) break |
fd8710b8 C |
49 | } |
50 | ||
51 | return res.json(output).end() | |
52 | } | |
53 | ||
2c22613c | 54 | async function getOutputFromFile (path: string, startDate: Date, endDate: Date, level: LogLevel, currentSize: number) { |
fd8710b8 C |
55 | const startTime = startDate.getTime() |
56 | const endTime = endDate.getTime() | |
2c22613c | 57 | let logTime: number |
fd8710b8 C |
58 | |
59 | const logsLevel: { [ id in LogLevel ]: number } = { | |
60 | debug: 0, | |
61 | info: 1, | |
62 | warn: 2, | |
63 | error: 3 | |
64 | } | |
65 | ||
2c22613c C |
66 | const content = await readFile(path) |
67 | const lines = content.toString().split('\n') | |
68 | const output: any[] = [] | |
fd8710b8 | 69 | |
2c22613c C |
70 | for (let i = lines.length - 1; i >= 0; i--) { |
71 | const line = lines[ i ] | |
72 | let log: any | |
fd8710b8 | 73 | |
2c22613c C |
74 | try { |
75 | log = JSON.parse(line) | |
76 | } catch { | |
77 | // Maybe there a multiple \n at the end of the file | |
78 | continue | |
79 | } | |
fd8710b8 | 80 | |
2c22613c C |
81 | logTime = new Date(log.timestamp).getTime() |
82 | if (logTime >= startTime && logTime <= endTime && logsLevel[ log.level ] >= logsLevel[ level ]) { | |
83 | output.push(log) | |
fd8710b8 | 84 | |
2c22613c | 85 | currentSize += line.length |
fd8710b8 | 86 | |
2c22613c C |
87 | if (currentSize > MAX_LOGS_OUTPUT_CHARACTERS) break |
88 | } else if (logTime < startTime) { | |
89 | break | |
90 | } | |
91 | } | |
fd8710b8 | 92 | |
2c22613c | 93 | return { currentSize, output: output.reverse(), logTime } |
fd8710b8 | 94 | } |