server

type Config struct {
	Host string `mapstructure:"host"`

	HTTPPort    string      `mapstructure:"http_port"`
	HTTPTimeout HTTPTimeout `mapstructure:"http_timeout"`

	GRPCPort string `mapstructure:"grpc_port"`
	Cors     Cors   `mapstructure:"cors"`
}

type Cors struct {
	Enabled bool `mapstructure:"enabled"`

	Settings []CorsSetting `mapstructure:"settings"`
}

type CorsSetting struct {
	// Path represents a server route string, for example "/example/{id}" for which the following CORS settings
	// will be applied
	Path string `mapstructure:"path"`
	// AllowedOrigins is a list of origins a cross-domain request can be executed from.
	// If the special "*" value is present in the list, all origins will be allowed.
	// An origin may contain a wildcard (*) to replace 0 or more characters
	// (i.e.: http://*.domain.com). Usage of wildcards implies a small performance penalty.
	// Only one wildcard can be used per origin.
	AllowedOrigins []string `mapstructure:"allowed_origins"`
	// AllowOriginFunc is a custom function to validate the origin. It take the origin
	// as argument and returns true if allowed or false otherwise. If this option is
	// set, the content of AllowedOrigins is ignored.
	AllowOriginFunc func(origin string) bool
	// AllowOriginRequestFunc is a custom function to validate the origin.
	// It takes the HTTP Request object and the origin as
	// argument and returns true if allowed or false otherwise.
	// If this option is set, the content of `AllowedOrigins` and `AllowOriginFunc` is ignored.
	AllowOriginRequestFunc func(r *http.Request, origin string) bool
	// AllowedHeaders is list of non simple headers the client is allowed to use with
	// cross-domain requests.
	// If the special "*" value is present in the list, all headers will be allowed.
	// "Origin" is always appended to the list.
	AllowedMethods []string `mapstructure:"allowed_methods"`
	// AllowedHeaders is list of non simple headers the client is allowed to use with
	// cross-domain requests.
	// If the special "*" value is present in the list, all headers will be allowed.
	// "Origin" is always appended to the list.
	AllowedHeaders []string `mapstructure:"allowed_headers"`
	// ExposedHeaders indicates which headers are safe to expose to the API of a CORS
	// API specification
	ExposedHeaders []string `mapstructure:"exposed_headers"`
	// AllowCredentials indicates whether the request can include user credentials like
	// cookies, HTTP authentication or client side SSL certificates.
	AllowCredentials bool `mapstructure:"allow_credentials"`
	// MaxAge indicates how long (in seconds) the results of a preflight request
	// can be cached
	MaxAge int `mapstructure:"max_age"`
	// AllowCredentials indicates whether the request can include user credentials like
	// cookies, HTTP authentication or client side SSL certificates.
	OptionsPassthrough bool `mapstructure:"options_passthrough"`
}

type HTTPTimeout struct {
	Write time.Duration `mapstructure:"write"`
	Read  time.Duration `mapstructure:"read"`
	Idle  time.Duration `mapstructure:"idle"`
}