Merge pull request #22 from noha/development

unify API for extracting and checking signature

Author: noha

source/JSONWebToken-Core.package/JWAHMACSHA256.class/class/checkSignature.withKey..st

@@ -1,10 +1,9 @@
 sign
-checkSignature: parts withKey: key
+checkSignature: aString withKey: key
+	| tokenParts |
+	tokenParts := $. split: aString.
 	(self
-		signMessage:
-			($.
-				join:
-					{parts first.
-					parts second}) withKey: key)
-		= (Base64UrlEncoder new decode: parts third base64Padded)
+		signMessage: ($. join: (tokenParts first: 2)) 
+		withKey: key)
+		= (Base64UrlEncoder new decode: tokenParts third base64Padded)
 		ifFalse: [ Error signal: 'signature does not match' ]

source/JSONWebToken-Core.package/JsonWebSignature.class/instance/checkSignature..st

@@ -1,5 +1,10 @@
 signature
-checkSignature: parts
-
+checkSignature: aString
+	| token |
+	token := (aString isString not) 
+		ifTrue: [ 
+			"this seems to be the old usage handing out the parts collection so resemble"
+			$. join: aString  ]
+		ifFalse: [ aString ].
 
-	self protectedHeader algorithm checkSignature: parts withKey: key
+	self protectedHeader algorithm checkSignature: token withKey: key

source/JSONWebToken-OpenSSL.package/JWARSASHA256.class/class/checkSignature.withKey..st

@@ -1,11 +1,9 @@
 sign
-checkSignature: parts withKey: key
-	| jwtHeaderAndPayload signatureByteArray publicKey |
-	jwtHeaderAndPayload := $.
-		join:
-			{parts first.
-			parts second}.
-	signatureByteArray := parts third base64Padded base64Decoded
+checkSignature: aString withKey: key
+	| jwtHeaderAndPayload signatureByteArray publicKey tokenParts |
+	tokenParts := $. split: aString.
+	jwtHeaderAndPayload := $. join: (tokenParts first: 2).
+	signatureByteArray := (Base64UrlEncoder new decode: tokenParts third base64Padded)
 		asByteArray.
 	publicKey := (key includesSubstring: 'BEGIN RSA PUBLIC KEY')
 		ifTrue: [ LcEvpPublicKey setRSA:  (LcRSA fromRsaPublicKeyPemString: key) ]