Initial working authentication with SigV4

auth/config.go

@@ -0,0 +1,50 @@
+package auth
+
+import (
+	"strings"
+	"time"
+)
+
+type Config struct {
+	Enabled            bool
+	Region             string
+	ClockSkew          time.Duration
+	MaxPresignDuration time.Duration
+	MasterKey          string
+	BootstrapAccessKey string
+	BootstrapSecretKey string
+	BootstrapPolicy    string
+}
+
+func ConfigFromValues(
+	enabled bool,
+	region string,
+	skew time.Duration,
+	maxPresign time.Duration,
+	masterKey string,
+	bootstrapAccessKey string,
+	bootstrapSecretKey string,
+	bootstrapPolicy string,
+) Config {
+	region = strings.TrimSpace(region)
+	if region == "" {
+		region = "us-east-1"
+	}
+	if skew <= 0 {
+		skew = 5 * time.Minute
+	}
+	if maxPresign <= 0 {
+		maxPresign = 24 * time.Hour
+	}
+
+	return Config{
+		Enabled:            enabled,
+		Region:             region,
+		ClockSkew:          skew,
+		MaxPresignDuration: maxPresign,
+		MasterKey:          strings.TrimSpace(masterKey),
+		BootstrapAccessKey: strings.TrimSpace(bootstrapAccessKey),
+		BootstrapSecretKey: strings.TrimSpace(bootstrapSecretKey),
+		BootstrapPolicy:    strings.TrimSpace(bootstrapPolicy),
+	}
+}