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Add support for custom state and nonce parameters in OAuth2 authorization #105

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KyleKincer wants to merge 1 commit into from
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Add support for custom state and nonce parameters in OAuth2 authorization #105

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20 changes: 16 additions & 4 deletions Project/Sources/Classes/OAuth2Provider.4dm
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Original file line number Diff line number Diff line change
Expand Up @@ -89,7 +89,16 @@ Any valid existing token
This:C1470.timeout:=Choose:C955(Value type:C1509($inParams.timeout)=Is undefined:K8:13; 120; Num:C11($inParams.timeout))

End if

/*
A unique string value that is used to maintain state between the request and response. Can be used to mitigate CSRF attacks.
*/
This:C1470.state:=String:C10($inParams.state)

/*
A random value used by the app to verify the ID token. Used to prevent replay attacks.
*/
This:C1470.nonce:=String:C10($inParams.nonce)

This:C1470._finally()


Expand All @@ -99,9 +108,10 @@ Any valid existing token

Function _OpenBrowserForAuthorisation()->$authorizationCode : Text

var $url; $redirectURI; $state; $scope : Text
var $url; $redirectURI; $state; $scope; $nonce : Text

$state:=Generate UUID:C1066
$state:=Choose:C955(Length:C16(This:C1470.state)>0; This:C1470.state; Generate UUID:C1066)
$nonce:=This:C1470.nonce
$redirectURI:=This:C1470.redirectURI
$url:=This:C1470.authenticateURI
$scope:=This:C1470.scope
Expand Down Expand Up @@ -134,7 +144,9 @@ Function _OpenBrowserForAuthorisation()->$authorizationCode : Text
$url+="&scope="+_urlEscape($scope)
End if
$url+="&state="+String:C10($state)

If (Length:C16(String:C10($nonce))>0)
$url+="&nonce="+_urlEscape($nonce)
End if
Use (Storage:C1525)
OB REMOVE:C1226(Storage:C1525; "token")
Storage:C1525.params:=New shared object:C1526("redirectURI"; $redirectURI)
Expand Down