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fix: version and type are required by the message format #217

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Merged
merged 7 commits into from
Sep 20, 2019
Merged

fix: version and type are required by the message format #217

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5d14443
fix: version and type are required by the message format
seebees Sep 18, 2019
33ae73b
Better error message
seebees Sep 18, 2019
b93ffaf
Merge branch 'master' into verify_version_and_type
seebees Sep 19, 2019
9b1ce1c
lint
seebees Sep 19, 2019
bb60447
Merge branch 'master' into verify_version_and_type
seebees Sep 19, 2019
c07d146
fixtures and test for base64
seebees Sep 20, 2019
6b56531
lint
seebees Sep 20, 2019
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3 changes: 3 additions & 0 deletions modules/serialize/src/deserialize_factory.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -76,6 +76,9 @@ export function deserializeFactory<Suite extends AlgorithmSuite> (

const version = dataView.getUint8(0)
const type = dataView.getUint8(1)
/* Precondition: version and type must be the required values. */
needs(version === 1 && type === 128,
version === 65 && type === 89 ? 'Malformed Header: This blob may be base64 encoded.' : 'Malformed Header.')

const suiteId = <AlgorithmSuiteIdentifier>dataView.getUint16(2, false) // big endian
/* Precondition: suiteId must match supported algorithm suite */
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7 changes: 7 additions & 0 deletions modules/serialize/test/deserialize_factory.test.ts
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Expand Up @@ -428,6 +428,13 @@ describe('deserializeFactory:deserializeMessageHeader', () => {
.and.to.eql(4096)
})

it('Precondition: version and type must be the required values.', () => {
const { deserializeMessageHeader } = deserializeFactory(toUtf8, WebCryptoAlgorithmSuite)
expect(() => deserializeMessageHeader(fixtures.versionNotValidMessageHeader())).to.throw('Malformed Header')
expect(() => deserializeMessageHeader(fixtures.typeNotValidMessageHeader())).to.throw('Malformed Header')
expect(() => deserializeMessageHeader(fixtures.base64MessageHeader())).to.throw('Malformed Header: This blob may be base64 encoded.')
})

it('Precondition: suiteId must match supported algorithm suite', () => {
const { deserializeMessageHeader } = deserializeFactory(toUtf8, WebCryptoAlgorithmSuite)
const suiteIdNotValidMessageHeader = fixtures.suiteIdNotValidMessageHeader()
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12 changes: 12 additions & 0 deletions modules/serialize/test/fixtures.ts
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Expand Up @@ -29,6 +29,18 @@ export function suiteIdNotValidMessageHeader () {
return new Uint8Array([ 1, 128, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 43, 0, 2, 0, 11, 105, 110, 102, 111, 114, 109, 97, 116, 105, 111, 110, 0, 12, 194, 189, 32, 43, 32, 194, 188, 32, 61, 32, 194, 190, 0, 4, 115, 111, 109, 101, 0, 6, 112, 117, 98, 108, 105, 99, 0, 2, 0, 12, 194, 189, 32, 43, 32, 194, 188, 32, 61, 32, 194, 190, 0, 8, 102, 105, 114, 115, 116, 75, 101, 121, 0, 5, 1, 2, 3, 4, 5, 0, 12, 194, 189, 32, 43, 32, 194, 188, 32, 61, 32, 194, 190, 0, 9, 115, 101, 99, 111, 110, 100, 75, 101, 121, 0, 5, 6, 7, 8, 9, 0, 2, 0, 0, 0, 0, 12, 0, 0, 16, 0 ])
}

export function versionNotValidMessageHeader () {
return new Uint8Array([ 256, 128, 0, 20, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 43, 0, 2, 0, 11, 105, 110, 102, 111, 114, 109, 97, 116, 105, 111, 110, 0, 12, 194, 189, 32, 43, 32, 194, 188, 32, 61, 32, 194, 190, 0, 4, 115, 111, 109, 101, 0, 6, 112, 117, 98, 108, 105, 99, 0, 2, 0, 12, 194, 189, 32, 43, 32, 194, 188, 32, 61, 32, 194, 190, 0, 8, 102, 105, 114, 115, 116, 75, 101, 121, 0, 5, 1, 2, 3, 4, 5, 0, 12, 194, 189, 32, 43, 32, 194, 188, 32, 61, 32, 194, 190, 0, 9, 115, 101, 99, 111, 110, 100, 75, 101, 121, 0, 5, 6, 7, 8, 9, 0, 2, 0, 0, 0, 0, 12, 0, 0, 16, 0 ])
}

export function typeNotValidMessageHeader () {
return new Uint8Array([ 1, 256, 0, 20, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 43, 0, 2, 0, 11, 105, 110, 102, 111, 114, 109, 97, 116, 105, 111, 110, 0, 12, 194, 189, 32, 43, 32, 194, 188, 32, 61, 32, 194, 190, 0, 4, 115, 111, 109, 101, 0, 6, 112, 117, 98, 108, 105, 99, 0, 2, 0, 12, 194, 189, 32, 43, 32, 194, 188, 32, 61, 32, 194, 190, 0, 8, 102, 105, 114, 115, 116, 75, 101, 121, 0, 5, 1, 2, 3, 4, 5, 0, 12, 194, 189, 32, 43, 32, 194, 188, 32, 61, 32, 194, 190, 0, 9, 115, 101, 99, 111, 110, 100, 75, 101, 121, 0, 5, 6, 7, 8, 9, 0, 2, 0, 0, 0, 0, 12, 0, 0, 16, 0 ])
}

export function base64MessageHeader () {
return new Uint8Array([65,89,65,65,70,65,77,68,65,119,77,68,65,119,77,68,65,119,77,68,65,119,77,68,65,119,77,65,75,119,65,67,65,65,116,112,98,109,90,118,99,109,49,104,100,71,108,118,98,103,65,77,119,114,48,103,75,121,68,67,118,67,65,57,73,77,75,43,65,65,82,122,98,50,49,108,65,65,90,119,100,87,74,115,97,87,77,65,65,103,65,77,119,114,48,103,75,121,68,67,118,67,65,57,73,77,75,43,65,65,104,109,97,88,74,122,100,69,116,108,101,81,65,70,65,81,73,68,66,65,85,65,68,77,75,57,73,67,115,103,119,114,119,103,80,83,68,67,118,103,65,74,99,50,86,106,98,50,53,107,83,50,86,53,65,65,85,71,66,119,103,74,65,65,73,65,65,65,65,65,68,65,65,65,69,65,65,61])
}

export function reservedBytesNoZeroMessageHeader () {
return new Uint8Array([ 1, 128, 0, 20, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 43, 0, 2, 0, 11, 105, 110, 102, 111, 114, 109, 97, 116, 105, 111, 110, 0, 12, 194, 189, 32, 43, 32, 194, 188, 32, 61, 32, 194, 190, 0, 4, 115, 111, 109, 101, 0, 6, 112, 117, 98, 108, 105, 99, 0, 2, 0, 12, 194, 189, 32, 43, 32, 194, 188, 32, 61, 32, 194, 190, 0, 8, 102, 105, 114, 115, 116, 75, 101, 121, 0, 5, 1, 2, 3, 4, 5, 0, 12, 194, 189, 32, 43, 32, 194, 188, 32, 61, 32, 194, 190, 0, 9, 115, 101, 99, 111, 110, 100, 75, 101, 121, 0, 5, 6, 7, 8, 9, 0, 2, 0, 1, 0, 0, 12, 0, 0, 16, 0 ])
}
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