同步历史版本代码

pkg/iap/apple/notification.go

@@ -0,0 +1,51 @@
+package apple
+
+import (
+	"encoding/json"
+	"strings"
+)
+
+type NotificationEnvelope struct {
+	NotificationType string
+	TransactionJWS   string
+}
+
+func ParseNotificationSignedPayload(jws string) (*NotificationEnvelope, error) {
+	parts := strings.Split(strings.TrimSpace(jws), ".")
+	if len(parts) != 3 {
+		return nil, ErrInvalidJWS
+	}
+	data, err := decodeB64URL(parts[1])
+	if err != nil {
+		return nil, err
+	}
+	var raw map[string]interface{}
+	if err = json.Unmarshal(data, &raw); err != nil {
+		return nil, err
+	}
+	env := &NotificationEnvelope{}
+	if v, ok := raw["notificationType"].(string); ok {
+		env.NotificationType = v
+	}
+	if d, ok := raw["data"].(map[string]interface{}); ok {
+		if sjws, ok := d["signedTransactionInfo"].(string); ok {
+			env.TransactionJWS = sjws
+		}
+	}
+	return env, nil
+}
+
+func VerifyNotificationSignedPayload(jws string) (*TransactionPayload, string, error) {
+	env, err := ParseNotificationSignedPayload(jws)
+	if err != nil {
+		return nil, "", err
+	}
+	if env.TransactionJWS == "" {
+		return nil, env.NotificationType, ErrInvalidJWS
+	}
+	tx, err := VerifyTransactionJWS(env.TransactionJWS)
+	if err != nil {
+		return nil, env.NotificationType, err
+	}
+	return tx, env.NotificationType, nil
+}