oauth2 oidc, vuex store

util/util.go

@@ -1,6 +1,8 @@
 package util
 
 import (
+	"crypto/rand"
+	"encoding/base64"
 	"errors"
 	"io/ioutil"
 	"net"
@@ -9,6 +11,7 @@ import (
 )
 
 var (
+	AuthTokenHeaderName = "Authorization"
 	// RegexpEmail check valid email
 	RegexpEmail = regexp.MustCompile("^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$")
 )
@@ -51,7 +54,7 @@ func DirectoryExists(name string) bool {
 	return info.IsDir()
 }
 
-// GetAvailableIp search for an available in cidr against a list of reserved ips
+// GetAvailableIp search for an available ip in cidr against a list of reserved ips
 func GetAvailableIp(cidr string, reserved []string) (string, error) {
 	ip, ipnet, err := net.ParseCIDR(cidr)
 	if err != nil {
@@ -132,3 +135,28 @@ func BroadcastAddr(n *net.IPNet) net.IP {
 	}
 	return broadcast
 }
+
+// GenerateRandomBytes returns securely generated random bytes.
+// It will return an error if the system's secure random
+// number generator fails to function correctly, in which
+// case the caller should not continue.
+func GenerateRandomBytes(n int) ([]byte, error) {
+	b := make([]byte, n)
+	_, err := rand.Read(b)
+	// Note that err == nil only if we read len(b) bytes.
+	if err != nil {
+		return nil, err
+	}
+
+	return b, nil
+}
+
+// GenerateRandomString returns a URL-safe, base64 encoded
+// securely generated random string.
+// It will return an error if the system's secure random
+// number generator fails to function correctly, in which
+// case the caller should not continue.
+func GenerateRandomString(s int) (string, error) {
+	b, err := GenerateRandomBytes(s)
+	return base64.URLEncoding.EncodeToString(b), err
+}