From b7867d9cf5b0dd175b8167a552b830ebfe47d0ed Mon Sep 17 00:00:00 2001
From: Mike Crute <mike@crute.us>
Date: Tue, 5 Sep 2017 03:52:50 +0000
Subject: Finish JWS and Cert validation

---
 util.go | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 util.go

(limited to 'util.go')

diff --git a/util.go b/util.go
new file mode 100644
index 0000000..10709e2
--- /dev/null
+++ b/util.go
@@ -0,0 +1,43 @@
+package main
+
+import (
+	"net/url"
+	"strings"
+)
+
+type stringSet struct {
+	values map[string]bool
+}
+
+func NewStringSet(values ...string) *stringSet {
+	s := &stringSet{
+		values: make(map[string]bool, len(values)),
+	}
+
+	for _, v := range values {
+		s.Add(v)
+	}
+
+	return s
+}
+
+func (s *stringSet) Add(v string) {
+	s.values[v] = true
+}
+
+func (s *stringSet) Contains(k string) bool {
+	_, ok := s.values[k]
+	return ok
+}
+
+func URLMustParse(u string) *url.URL {
+	o, err := url.Parse(u)
+	if err != nil {
+		panic(err)
+	}
+	return o
+}
+
+func CompareUpper(lhs, rhs string) bool {
+	return strings.ToUpper(lhs) == strings.ToUpper(rhs)
+}
-- 
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