[#212] Support CORS container for CORS settings

Signed-off-by: Marina Biryukova <m.biryukova@yadro.com>

internal/data/cors.go

@@ -0,0 +1,18 @@
+package data
+
+type (
+	// CORSConfiguration stores CORS configuration of a request.
+	CORSConfiguration struct {
+		CORSRules []CORSRule `xml:"CORSRule" json:"CORSRules"`
+	}
+
+	// CORSRule stores rules for CORS configuration.
+	CORSRule struct {
+		AllowedHeaders     []string `xml:"AllowedHeader" json:"AllowedHeaders"`
+		AllowedMethods     []string `xml:"AllowedMethod" json:"AllowedMethods"`
+		AllowedOrigins     []string `xml:"AllowedOrigin" json:"AllowedOrigins"`
+		ExposeHeaders      []string `xml:"ExposeHeader" json:"ExposeHeaders"`
+		MaxAgeSeconds      int      `xml:"MaxAgeSeconds,omitempty" json:"MaxAgeSeconds,omitempty"`
+		AllowedCredentials bool     `xml:"AllowedCredentials,omitempty" json:"AllowedCredentials,omitempty"`
+	}
+)