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Restrict editable files by number of characters (#20462)

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GitOrigin-RevId: fad0c14444a9d382ad05c14921118ef3883ede79
This commit is contained in:
Alf Eaton
2024-12-02 09:05:17 +00:00
committed by Copybot
parent a82952f9df
commit aae03bdf6e
2 changed files with 82 additions and 25 deletions
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services/web/test/unit/src/Uploads/FileTypeManagerTests.js
+78 -2
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@@ -38,6 +38,18 @@ describe('FileTypeManager', function () {
this.fs.readFile
.withArgs('utf8-control-chars.tex')
.yields(null, Buffer.from(`${fileContents}\x0c${fileContents}`))
this.fs.readFile
.withArgs('text-short.tex')
.yields(null, Buffer.from('a'.repeat(0.5 * 1024 * 1024), 'utf-8'))
this.fs.readFile
.withArgs('text-smaller.tex')
.yields(null, Buffer.from('a'.repeat(2 * 1024 * 1024 - 1), 'utf-8'))
this.fs.readFile
.withArgs('text-exact.tex')
.yields(null, Buffer.from('a'.repeat(2 * 1024 * 1024), 'utf-8'))
this.fs.readFile
.withArgs('text-long.tex')
.yields(null, Buffer.from('a'.repeat(3 * 1024 * 1024), 'utf-8'))
this.callback = sinon.stub()
this.DocumentHelper = { getEncodingFromTexContent: sinon.stub() }
this.FileTypeManager = SandboxedModule.require(modulePath, {
@@ -117,8 +129,72 @@ describe('FileTypeManager', function () {
})
})
it('should not classify short text files as binary', function (done) {
this.stats.size = 2 * 1024 * 1024 // 2MB
this.FileTypeManager.getType(
'/file.tex',
'text-short.tex',
null,
(err, { binary }) => {
if (err) {
return done(err)
}
binary.should.equal(false)
done()
}
)
})
it('should not classify text files just under the size limit as binary', function (done) {
this.stats.size = 2 * 1024 * 1024 // 2MB
this.FileTypeManager.getType(
'/file.tex',
'text-smaller.tex',
null,
(err, { binary }) => {
if (err) {
return done(err)
}
binary.should.equal(false)
done()
}
)
})
it('should classify text files at the size limit as binary', function (done) {
this.stats.size = 2 * 1024 * 1024 // 2MB
this.FileTypeManager.getType(
'/file.tex',
'text-exact.tex',
null,
(err, { binary }) => {
if (err) {
return done(err)
}
binary.should.equal(true)
done()
}
)
})
it('should classify long text files as binary', function (done) {
this.stats.size = 2 * 1024 * 1024 // 2MB
this.FileTypeManager.getType(
'/file.tex',
'text-long.tex',
null,
(err, { binary }) => {
if (err) {
return done(err)
}
binary.should.equal(true)
done()
}
)
})
it('should classify large text files as binary', function (done) {
this.stats.size = 2 * 1024 * 1024 // 2Mb
this.stats.size = 8 * 1024 * 1024 // 8MB
this.FileTypeManager.getType(
'/file.tex',
'utf8.tex',
@@ -134,7 +210,7 @@ describe('FileTypeManager', function () {
})
it('should not try to determine the encoding of large files', function (done) {
this.stats.size = 2 * 1024 * 1024 // 2Mb
this.stats.size = 8 * 1024 * 1024 // 8MB
this.FileTypeManager.getType('/file.tex', 'utf8.tex', null, err => {
if (err) {
return done(err)