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Signed-off-by: RafaelGSS <[email protected]> PR-URL: #44004 Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: Matteo Collina <[email protected]> Reviewed-By: Michaël Zasso <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Paolo Insogna <[email protected]> Reviewed-By: Colin Ihrig <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| // Call fs.readFile with permission system enabled | ||
| // over and over again really fast. | ||
| // Then see how many times it got called. | ||
| 'use strict'; | ||
|
|
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| const path = require('path'); | ||
| const common = require('../common.js'); | ||
| const fs = require('fs'); | ||
| const assert = require('assert'); | ||
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| const tmpdir = require('../../test/common/tmpdir'); | ||
| tmpdir.refresh(); | ||
| const filename = path.resolve(tmpdir.path, | ||
| `.removeme-benchmark-garbage-${process.pid}`); | ||
|
|
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| const bench = common.createBenchmark(main, { | ||
| duration: [5], | ||
| encoding: ['', 'utf-8'], | ||
| len: [1024, 16 * 1024 * 1024], | ||
| concurrent: [1, 10], | ||
| }, { | ||
| flags: ['--experimental-permission', '--allow-fs-read=*', '--allow-fs-write=*'], | ||
| }); | ||
|
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| function main({ len, duration, concurrent, encoding }) { | ||
| try { | ||
| fs.unlinkSync(filename); | ||
| } catch { | ||
| // Continue regardless of error. | ||
| } | ||
| let data = Buffer.alloc(len, 'x'); | ||
| fs.writeFileSync(filename, data); | ||
| data = null; | ||
|
|
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| let reads = 0; | ||
| let benchEnded = false; | ||
| bench.start(); | ||
| setTimeout(() => { | ||
| benchEnded = true; | ||
| bench.end(reads); | ||
| try { | ||
| fs.unlinkSync(filename); | ||
| } catch { | ||
| // Continue regardless of error. | ||
| } | ||
| process.exit(0); | ||
| }, duration * 1000); | ||
|
|
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| function read() { | ||
| fs.readFile(filename, encoding, afterRead); | ||
| } | ||
|
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| function afterRead(er, data) { | ||
| if (er) { | ||
| if (er.code === 'ENOENT') { | ||
| // Only OK if unlinked by the timer from main. | ||
| assert.ok(benchEnded); | ||
| return; | ||
| } | ||
| throw er; | ||
| } | ||
|
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| if (data.length !== len) | ||
| throw new Error('wrong number of bytes returned'); | ||
|
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| reads++; | ||
| if (!benchEnded) | ||
| read(); | ||
| } | ||
|
|
||
| while (concurrent--) read(); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,19 @@ | ||
| 'use strict'; | ||
| const common = require('../common.js'); | ||
|
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| const configs = { | ||
| n: [1e5], | ||
| concurrent: [1, 10], | ||
| }; | ||
|
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| const options = { flags: ['--experimental-permission'] }; | ||
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| const bench = common.createBenchmark(main, configs, options); | ||
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| async function main(conf) { | ||
| bench.start(); | ||
| for (let i = 0; i < conf.n; i++) { | ||
| process.permission.deny('fs.read', ['/home/example-file-' + i]); | ||
| } | ||
| bench.end(conf.n); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| 'use strict'; | ||
| const common = require('../common.js'); | ||
| const fs = require('fs/promises'); | ||
| const path = require('path'); | ||
|
|
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| const configs = { | ||
| n: [1e5], | ||
| concurrent: [1, 10], | ||
| }; | ||
|
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| const rootPath = path.resolve(__dirname, '../../..'); | ||
|
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| const options = { | ||
| flags: [ | ||
| '--experimental-permission', | ||
| `--allow-fs-read=${rootPath}`, | ||
| ], | ||
| }; | ||
|
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| const bench = common.createBenchmark(main, configs, options); | ||
|
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| const recursivelyDenyFiles = async (dir) => { | ||
| const files = await fs.readdir(dir, { withFileTypes: true }); | ||
| for (const file of files) { | ||
| if (file.isDirectory()) { | ||
| await recursivelyDenyFiles(path.join(dir, file.name)); | ||
| } else if (file.isFile()) { | ||
| process.permission.deny('fs.read', [path.join(dir, file.name)]); | ||
| } | ||
| } | ||
| }; | ||
|
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| async function main(conf) { | ||
| const benchmarkDir = path.join(__dirname, '../..'); | ||
| // Get all the benchmark files and deny access to it | ||
| await recursivelyDenyFiles(benchmarkDir); | ||
|
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| bench.start(); | ||
|
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| for (let i = 0; i < conf.n; i++) { | ||
| // Valid file in a sequence of denied files | ||
| process.permission.has('fs.read', benchmarkDir + '/valid-file'); | ||
| // Denied file | ||
| process.permission.has('fs.read', __filename); | ||
| // Valid file a granted directory | ||
| process.permission.has('fs.read', '/tmp/example'); | ||
| } | ||
|
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| bench.end(conf.n); | ||
| } |
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