Implement confidential OIDC authentication boundary
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parent
0f888986d7
commit
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1 changed files with 1896 additions and 329 deletions
350
test/Spec.hs
350
test/Spec.hs
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@ -1,14 +1,37 @@
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module Main (main) where
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import Control.Monad.IO.Class (liftIO)
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import Control.Lens ((&), (?~))
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import Crypto.JOSE (runJOSE)
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import Crypto.JOSE.Compact (encodeCompact)
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import Crypto.JOSE.JWA.JWS (Alg (RS256, RS384))
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import Crypto.JOSE.JWK
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( JWK
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, JWKSet (..)
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, KeyMaterialGenParam (RSAGenParam)
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, genJWK
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)
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import Crypto.JOSE.JWS (newJWSHeaderProtected)
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import Crypto.JWT
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( Audience (..)
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, ClaimsSet
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, HasClaimsSet (..)
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, JWTError
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, NumericDate (..)
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, emptyClaimsSet
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, signJWT
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)
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import qualified Data.Aeson as A
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import qualified Data.Aeson.KeyMap as KM
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import qualified Data.ByteString as BS
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import qualified Data.ByteString.Lazy as BL
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import Data.Either (isLeft)
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import Data.Either (isLeft, isRight)
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import Data.IORef (IORef, modifyIORef', newIORef, readIORef, writeIORef)
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import Data.String (fromString)
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import Data.Text (Text)
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import qualified Data.Text as T
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import qualified Data.Text.Encoding as TE
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import Data.Time.Clock (UTCTime, addUTCTime, getCurrentTime)
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import Hedgehog
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( Gen
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, Property
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@ -24,6 +47,7 @@ import Network.HTTP.Types
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, methodGet
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, methodPost
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, status200
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, status303
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, status400
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, status404
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, status405
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@ -43,7 +67,8 @@ import Nuthatch.App
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, loginResponse
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, utf8Boundary
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)
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import Nuthatch.Config (AuthMode (..), Config (..))
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import Nuthatch.Config (Config (..))
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import Nuthatch.Oidc (OidcIdentity (..), verifyIdToken)
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import Nuthatch.Paths
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( buildObjectKey
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, encodeUserId
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@ -62,7 +87,7 @@ import Nuthatch.Protocol
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)
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import Nuthatch.Types
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import Nuthatch.Session (mintSession)
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import Nuthatch.Ui (browsePage, browserScript, loginPage)
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import Nuthatch.Ui (browsePage, browserScript)
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import Servant
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import Servant.Server.Experimental.Auth (AuthHandler, mkAuthHandler)
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import Servant.Types.SourceT (source)
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@ -78,6 +103,7 @@ tests = testGroup "nuthatch-unit"
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[ pathTests
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, identityTests
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, protocolTests
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, oidcTests
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, apiTests
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]
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@ -127,6 +153,222 @@ protocolTests = testGroup "mutation protocol decisions"
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, testProperty "only stale active records are recovery eligible" propRecoveryTiming
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]
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oidcTests :: TestTree
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oidcTests = testGroup "OIDC validation"
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[ testCase "accepts an exact RS256 ID token" testValidIdToken
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, testCase "accepts an exact configured audience set" testConfiguredAudiences
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, testCase "rejects invalid nonce, algorithm, issuer, signature, and audience"
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testIdTokenCryptographicRejections
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, testCase "rejects malformed, missing-time, future, expired, and overlong tokens"
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testIdTokenTimeAndSerializationRejections
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]
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data TestIdTokenClaims = TestIdTokenClaims
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{ testIdTokenRegistered :: ClaimsSet
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, testIdTokenNonce :: Text
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, testIdTokenAuthorizedParty :: Maybe Text
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, testIdTokenName :: Maybe Text
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}
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deriving stock (Eq, Show)
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instance HasClaimsSet TestIdTokenClaims where
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claimsSet update claims =
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fmap
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(\registered -> claims { testIdTokenRegistered = registered })
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(update (testIdTokenRegistered claims))
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instance A.FromJSON TestIdTokenClaims where
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parseJSON value = A.withObject "test ID token" (\object ->
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TestIdTokenClaims
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<$> A.parseJSON value
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<*> object A..: "nonce"
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<*> object A..:? "azp"
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<*> object A..:? "name") value
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instance A.ToJSON TestIdTokenClaims where
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toJSON claims =
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case A.toJSON (testIdTokenRegistered claims) of
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A.Object object ->
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let withName =
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maybe
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object
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(\name -> KM.insert "name" (A.String name) object)
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(testIdTokenName claims)
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withAuthorizedParty =
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maybe
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withName
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(\authorizedParty ->
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KM.insert "azp" (A.String authorizedParty) withName)
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(testIdTokenAuthorizedParty claims)
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in A.Object $
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KM.insert
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"nonce"
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(A.String (testIdTokenNonce claims))
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withAuthorizedParty
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value -> value
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testValidIdToken :: IO ()
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testValidIdToken = do
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key <- genJWK (RSAGenParam 256)
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now <- getCurrentTime
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compact <- signTestIdToken key RS256
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(testIdClaims now "https://issuer.example" ["nuthatch"] "nonce")
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result <- verifyIdToken
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testConfig
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(JWKSet [key])
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now
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"nonce"
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compact
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result @?= Right OidcIdentity
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{ identityIssuer = "https://issuer.example"
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, identitySubject = "upstream-subject"
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, identityDisplay = Just "Example User"
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}
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testConfiguredAudiences :: IO ()
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testConfiguredAudiences = do
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key <- genJWK (RSAGenParam 256)
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now <- getCurrentTime
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compact <- signTestIdToken key RS256
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((testIdClaims now "https://issuer.example" ["project", "nuthatch"] "nonce")
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{ testIdTokenAuthorizedParty = Just "nuthatch" })
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missingAuthorizedParty <- signTestIdToken key RS256
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(testIdClaims now "https://issuer.example" ["project", "nuthatch"] "nonce")
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result <- verifyIdToken
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testConfig { cfgOidcAdditionalAudiences = ["project"] }
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(JWKSet [key])
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now
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"nonce"
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compact
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rejected <- verifyIdToken
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testConfig { cfgOidcAdditionalAudiences = ["project"] }
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(JWKSet [key])
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now
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"nonce"
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missingAuthorizedParty
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assertBool "the configured audience set is accepted" (isRight result)
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assertBool "a multi-audience token without azp is rejected" (isLeft rejected)
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testIdTokenCryptographicRejections :: IO ()
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testIdTokenCryptographicRejections = do
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key <- genJWK (RSAGenParam 256)
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otherKey <- genJWK (RSAGenParam 256)
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now <- getCurrentTime
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valid <- signTestIdToken key RS256
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(testIdClaims now "https://issuer.example" ["nuthatch"] "nonce")
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wrongAlgorithm <- signTestIdToken key RS384
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(testIdClaims now "https://issuer.example" ["nuthatch"] "nonce")
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wrongIssuer <- signTestIdToken key RS256
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(testIdClaims now "https://other.example" ["nuthatch"] "nonce")
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wrongSignature <- signTestIdToken otherKey RS256
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(testIdClaims now "https://issuer.example" ["nuthatch"] "nonce")
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wrongAudience <- signTestIdToken key RS256
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(testIdClaims now "https://issuer.example" ["other"] "nonce")
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multipleAudience <- signTestIdToken key RS256
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(testIdClaims now "https://issuer.example" ["nuthatch", "other"] "nonce")
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let rejected =
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[ verifyIdToken testConfig (JWKSet [key]) now "other-nonce" valid
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, verifyIdToken testConfig (JWKSet [key]) now "nonce" wrongAlgorithm
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, verifyIdToken testConfig (JWKSet [key]) now "nonce" wrongIssuer
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, verifyIdToken testConfig (JWKSet [key]) now "nonce" wrongSignature
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, verifyIdToken testConfig (JWKSet [key]) now "nonce" wrongAudience
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, verifyIdToken testConfig (JWKSet [key]) now "nonce" multipleAudience
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]
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results <- sequence rejected
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assertBool "every invalid cryptographic or binding case is rejected"
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(all isLeft results)
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testIdTokenTimeAndSerializationRejections :: IO ()
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testIdTokenTimeAndSerializationRejections = do
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key <- genJWK (RSAGenParam 256)
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now <- getCurrentTime
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missingIssuedAt <- signTestIdToken key RS256
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((testIdClaims now "https://issuer.example" ["nuthatch"] "nonce")
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{ testIdTokenRegistered =
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emptyClaimsSet
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& claimIss ?~ "https://issuer.example"
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& claimSub ?~ "upstream-subject"
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& claimAud ?~ Audience ["nuthatch"]
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& claimExp ?~ NumericDate (addUTCTime 300 now)
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})
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future <- signTestIdToken key RS256
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(testIdClaimsAt
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(addUTCTime 60 now)
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(addUTCTime 300 now)
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"https://issuer.example"
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["nuthatch"]
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"nonce")
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expired <- signTestIdToken key RS256
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(testIdClaimsAt
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(addUTCTime (-600) now)
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(addUTCTime (-300) now)
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"https://issuer.example"
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["nuthatch"]
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"nonce")
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overlong <- signTestIdToken key RS256
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(testIdClaimsAt
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now
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(addUTCTime 7200 now)
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"https://issuer.example"
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["nuthatch"]
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"nonce")
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results <- sequence
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[ verifyIdToken testConfig (JWKSet [key]) now "nonce" "not.compact"
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, verifyIdToken testConfig (JWKSet [key]) now "nonce" missingIssuedAt
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, verifyIdToken testConfig (JWKSet [key]) now "nonce" future
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, verifyIdToken testConfig (JWKSet [key]) now "nonce" expired
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, verifyIdToken testConfig (JWKSet [key]) now "nonce" overlong
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]
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assertBool "every invalid serialization or time case is rejected"
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(all isLeft results)
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testIdClaims
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:: UTCTime
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-> Text
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-> [Text]
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-> Text
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-> TestIdTokenClaims
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testIdClaims now issuer audiences nonce =
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testIdClaimsAt
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now
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(addUTCTime 300 now)
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issuer
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audiences
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nonce
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testIdClaimsAt
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:: UTCTime
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-> UTCTime
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-> Text
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-> [Text]
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-> Text
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-> TestIdTokenClaims
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testIdClaimsAt issuedAt expiresAt issuer audiences nonce =
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TestIdTokenClaims
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{ testIdTokenRegistered =
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emptyClaimsSet
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& claimIss ?~ fromString (T.unpack issuer)
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& claimSub ?~ "upstream-subject"
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& claimAud ?~ Audience (map (fromString . T.unpack) audiences)
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& claimIat ?~ NumericDate issuedAt
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& claimExp ?~ NumericDate expiresAt
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, testIdTokenNonce = nonce
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, testIdTokenAuthorizedParty = Nothing
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, testIdTokenName = Just "Example User"
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}
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signTestIdToken
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:: JWK
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-> Alg
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-> TestIdTokenClaims
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-> IO Text
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signTestIdToken key algorithm claims = do
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result <- runJOSE $
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encodeCompact <$> signJWT key (newJWSHeaderProtected algorithm) claims
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case result of
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Left (err :: JWTError) -> fail (show err)
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Right compact -> pure (TE.decodeUtf8 (BL.toStrict compact))
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apiTests :: TestTree
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apiTests = testGroup "typed HTTP boundary"
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[ testCase "Servant selects routes and methods" testRouteSelection
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@ -140,18 +382,18 @@ apiTests = testGroup "typed HTTP boundary"
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, testCase "operation-specific JSON requests and responses remain distinct"
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testOperationRepresentations
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, testCase "operation-specific errors have closed distinct representations" $ do
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let loginError = A.encode InvalidUsername
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let loginError = A.encode OidcCallbackRejected
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deleteError = A.encode (DeleteMutationRejected "locked")
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prefixError = A.encode (DeletePrefixMutationRejected "partial")
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assertBool "login errors carry the login-specific code"
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("invalid_username" `BS.isInfixOf` BL.toStrict loginError)
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("oidc_callback_rejected" `BS.isInfixOf` BL.toStrict loginError)
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assertBool "delete errors carry the mutation-specific code"
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("mutation_rejected" `BS.isInfixOf` BL.toStrict deleteError)
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assertBool "operation errors must not share one representation"
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(loginError /= deleteError && deleteError /= prefixError)
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assertBool "prefix errors carry their operation-specific code"
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("prefix_mutation_rejected" `BS.isInfixOf` BL.toStrict prefixError)
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, testCase "production authentication validates cookies and login emits both cookies"
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, testCase "production authentication validates cookies and callback emits secure cookies"
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testAuthenticationBoundary
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, testCase "retained browser forms are wired to the typed API bridge"
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testBrowserBridge
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@ -254,27 +496,16 @@ testStreamingEndpoints = do
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testOperationRepresentations :: IO ()
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testOperationRepresentations = do
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calls <- newIORef 0
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login <- apiRequest calls methodPost
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"/login"
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[ ("Content-Type", "application/json")
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, ("Accept", "application/json")
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]
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"{\"username\":\"alice\"}"
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simpleStatus login @?= status200
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assertBool "login response must carry a user identity"
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("user_id" `BS.isInfixOf` BL.toStrict (simpleBody login))
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formLogin <- apiRequest calls methodPost
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"/login"
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[("Content-Type", "application/x-www-form-urlencoded")]
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"username=bob"
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simpleStatus formLogin @?= status200
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assertBool "browser login response navigates into the UI"
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("continue" `BS.isInfixOf` BL.toStrict (simpleBody formLogin))
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invalidLogin <- apiRequest calls methodPost
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"/login"
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[("Content-Type", "application/json")]
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"{\"username\":\"two words\"}"
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simpleStatus invalidLogin @?= status400
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login <- apiRequest calls methodGet "/login" [] ""
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simpleStatus login @?= status303
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lookup "Location" (simpleHeaders login) @?= Just "https://issuer.example/authorize"
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callback <- apiRequest calls methodGet
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"/oidc/callback?code=code&state=state"
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[("Cookie", "nuthatch_oidc=transaction")]
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""
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simpleStatus callback @?= status303
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legacyLogin <- apiRequest calls methodPost "/login" [] ""
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simpleStatus legacyLogin @?= status405
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deletion <- apiRequest calls methodPost
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"/delete"
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[("Content-Type", "application/json")]
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@ -350,18 +581,19 @@ typedTestServer :: IORef Int -> Server Api
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typedTestServer calls =
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counted (HealthResponse True)
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:<|> counted (ReadyResponse True)
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:<|> counted (HtmlPage "login")
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:<|> counted (BrowserScript "script")
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:<|> (\_ -> counted
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:<|> counted
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(addHeader "transaction=cookie"
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(addHeader "https://issuer.example/authorize" NoContent))
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:<|> (\_ _ _ -> counted
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(addHeader "session=cookie"
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(addHeader "csrf=cookie"
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(addHeader (CsrfToken "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa")
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(LoginView
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(HtmlPage "continue")
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(LoginResponse (UserId "user")))))))
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(addHeader "transaction=expired"
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(addHeader "/" NoContent)))))
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:<|> (\_ _ -> counted
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(addHeader "session=expired"
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(addHeader "csrf=expired" NoContent)))
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(addHeader "csrf=expired"
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(addHeader "transaction=expired" NoContent))))
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:<|> (\_ _ _ _ _ -> counted
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(BrowseView
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(HtmlPage "browse")
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@ -392,17 +624,28 @@ testAuthenticationBoundary = do
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token <- either (fail . T.unpack) pure tokenResult
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let csrf = CsrfToken "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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responseHeaders = getHeaders
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(loginResponse testConfig (UserId "user") token csrf)
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(loginResponse testConfig token csrf)
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cookieHeaders =
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[ value
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| (name, value) <- responseHeaders
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, name == "Set-Cookie"
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]
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length cookieHeaders @?= 2
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length cookieHeaders @?= 3
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assertBool "login sets the session cookie"
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(any ("nuthatch_session=" `BS.isPrefixOf`) cookieHeaders)
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assertBool "login sets the CSRF cookie"
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(any ("nuthatch_csrf=" `BS.isPrefixOf`) cookieHeaders)
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assertBool "cookies are secure and same-site"
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(all ("Secure" `BS.isInfixOf`) cookieHeaders
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&& all ("SameSite=Lax" `BS.isInfixOf`) cookieHeaders)
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assertBool "cookies are host-only"
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(all (not . ("Domain=" `BS.isInfixOf`)) cookieHeaders)
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assertBool "session and CSRF cookies use the root path"
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(length (filter ("Path=/;" `BS.isInfixOf`) cookieHeaders) == 2)
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assertBool "the transaction cookie uses the callback path"
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(any ("Path=/oidc/callback;" `BS.isInfixOf`) cookieHeaders)
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assertBool "session and transaction cookies are HTTP-only"
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(length (filter ("HttpOnly" `BS.isInfixOf`) cookieHeaders) == 2)
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calls <- newIORef 0
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let app = productionAuthTestApplication testConfig calls
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@ -425,6 +668,26 @@ testAuthenticationBoundary = do
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simpleStatus malformed @?= status400
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readIORef calls >>= (@?= 0)
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malformedGrammar <- apiRequestWith app methodGet
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"/?root=personal"
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[("Cookie", "nuthatch_session")]
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""
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simpleStatus malformedGrammar @?= status400
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readIORef calls >>= (@?= 0)
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let tamperedToken =
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case T.unsnoc (unSessionToken token) of
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Just (prefix, final)
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| final == 'a' -> prefix <> "b"
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| otherwise -> prefix <> "a"
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Nothing -> "invalid"
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tampered <- apiRequestWith app methodGet
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"/?root=personal"
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[("Cookie", "nuthatch_session=" <> TE.encodeUtf8 tamperedToken)]
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""
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simpleStatus tampered @?= status303
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readIORef calls >>= (@?= 0)
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missingCsrf <- apiRequestWith app methodGet
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"/?root=personal"
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[("Cookie", "nuthatch_session=" <> TE.encodeUtf8 (unSessionToken token))]
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@ -457,8 +720,6 @@ testBrowserBridge = do
|
|||
[entry]
|
||||
Nothing
|
||||
""
|
||||
assertBool "login page loads the external bridge"
|
||||
("/nuthatch.js" `T.isInfixOf` loginPage "")
|
||||
mapM_
|
||||
(\marker -> assertBool ("browse page includes " <> T.unpack marker)
|
||||
(marker `T.isInfixOf` browse))
|
||||
|
|
@ -486,11 +747,21 @@ testConfig :: Config
|
|||
testConfig = Config
|
||||
{ cfgListenHost = "127.0.0.1"
|
||||
, cfgListenPort = 8080
|
||||
, cfgTlsCertPath = "/tls/tls.crt"
|
||||
, cfgTlsKeyPath = "/tls/tls.key"
|
||||
, cfgPublicBaseUrl = "https://nuthatch.example"
|
||||
, cfgJwtSecret = "unit-test-secret-material"
|
||||
, cfgJwtSecret = "unit-test-session-secret-material-32"
|
||||
, cfgSessionHours = 1
|
||||
, cfgCookieName = "nuthatch_session"
|
||||
, cfgCsrfCookieName = "nuthatch_csrf"
|
||||
, cfgOidcTransactionCookieName = "nuthatch_oidc"
|
||||
, cfgOidcIssuer = "https://issuer.example"
|
||||
, cfgOidcClientId = "nuthatch"
|
||||
, cfgOidcAdditionalAudiences = []
|
||||
, cfgOidcClientSecret = "unit-test-client-secret"
|
||||
, cfgOidcRedirectUri = "https://nuthatch.example/oidc/callback"
|
||||
, cfgOidcTransactionMinutes = 5
|
||||
, cfgOidcMaxIdTokenSeconds = 3600
|
||||
, cfgPgConn = ""
|
||||
, cfgRedisHost = ""
|
||||
, cfgRedisPort = 6379
|
||||
|
|
@ -509,7 +780,6 @@ testConfig = Config
|
|||
, cfgListCacheTtlSec = 30
|
||||
, cfgSearchMaxKeys = 100
|
||||
, cfgRecoveryGraceSec = 30
|
||||
, cfgAuthMode = AuthDev
|
||||
}
|
||||
|
||||
newtype ValidPath = ValidPath { getValidPath :: Text }
|
||||
|
|
|
|||
Loading…
Reference in a new issue