Handle tokens without navident.

Author: flexable777

src/main/kotlin/no/nav/klage/document/api/DocumentController.kt

@@ -120,7 +120,7 @@ class DocumentController(
 
     private fun log(message: String) {
         logger.debug(message)
-        secureLogger.debug("{}. On-behalf-of: {}", message, tokenUtil.getIdent())
+        secureLogger.debug("{}. On-behalf-of: {}", message, tokenUtil.getIdentNullable())
     }
 
 }

src/main/kotlin/no/nav/klage/document/util/TokenUtil.kt

@@ -16,8 +16,10 @@ class TokenUtil(
     }
 
     fun getIdent(): String =
+        getIdentNullable() ?: throw RuntimeException("NAVident not found in token")
+
+    fun getIdentNullable(): String? =
         tokenValidationContextHolder.tokenValidationContext.getJwtToken(ISSUER_AAD)
             .jwtTokenClaims?.get("NAVident")?.toString()
-            ?: throw RuntimeException("Ident not found in token")
 
 }