Moving server files to ./server

server/pkg/auth/scope.go

@@ -0,0 +1,45 @@
+package auth
+
+import (
+	"strings"
+
+	"github.com/lestrrat-go/jwx/jwt"
+)
+
+const (
+	scopeDelimiter = " "
+)
+
+// CheckJwtScope verifies if required scope is in claim
+// We're using interface{} and casting it if needed to simplify usage of the fn by directly
+// using it with map[string]interface{} claims type
+func CheckJwtScope(token jwt.Token, required ...string) bool {
+	if token == nil {
+		return false
+	}
+
+	scopeClaimRaw, has := token.Get("scope")
+	if !has {
+		return false
+	}
+
+	scopeClaim, ok := scopeClaimRaw.(string)
+	if !ok {
+		return false
+	}
+
+	return CheckScope(scopeClaim, required...)
+}
+
+func CheckScope(scope string, required ...string) bool {
+	scope = scopeDelimiter + strings.TrimSpace(scope) + scopeDelimiter
+
+	for _, req := range required {
+		req = scopeDelimiter + strings.TrimSpace(req) + scopeDelimiter
+		if strings.Contains(scope, req) {
+			return true
+		}
+	}
+
+	return false
+}