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config.go
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config.go
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package helmet
import (
"github.com/hakantaskin/fiber"
)
// Config defines the config for middleware.
type Config struct {
// Next defines a function to skip middleware.
// Optional. Default: nil
Next func(*fiber.Ctx) bool
// XSSProtection
// Optional. Default value "0".
XSSProtection string
// ContentTypeNosniff
// Optional. Default value "nosniff".
ContentTypeNosniff string
// XFrameOptions
// Optional. Default value "SAMEORIGIN".
// Possible values: "SAMEORIGIN", "DENY", "ALLOW-FROM uri"
XFrameOptions string
// HSTSMaxAge
// Optional. Default value 0.
HSTSMaxAge int
// HSTSExcludeSubdomains
// Optional. Default value false.
HSTSExcludeSubdomains bool
// ContentSecurityPolicy
// Optional. Default value "".
ContentSecurityPolicy string
// CSPReportOnly
// Optional. Default value false.
CSPReportOnly bool
// HSTSPreloadEnabled
// Optional. Default value false.
HSTSPreloadEnabled bool
// ReferrerPolicy
// Optional. Default value "ReferrerPolicy".
ReferrerPolicy string
// Permissions-Policy
// Optional. Default value "".
PermissionPolicy string
// Cross-Origin-Embedder-Policy
// Optional. Default value "require-corp".
CrossOriginEmbedderPolicy string
// Cross-Origin-Opener-Policy
// Optional. Default value "same-origin".
CrossOriginOpenerPolicy string
// Cross-Origin-Resource-Policy
// Optional. Default value "same-origin".
CrossOriginResourcePolicy string
// Origin-Agent-Cluster
// Optional. Default value "?1".
OriginAgentCluster string
// X-DNS-Prefetch-Control
// Optional. Default value "off".
XDNSPrefetchControl string
// X-Download-Options
// Optional. Default value "noopen".
XDownloadOptions string
// X-Permitted-Cross-Domain-Policies
// Optional. Default value "none".
XPermittedCrossDomain string
}
// ConfigDefault is the default config
var ConfigDefault = Config{
XSSProtection: "0",
ContentTypeNosniff: "nosniff",
XFrameOptions: "SAMEORIGIN",
ReferrerPolicy: "no-referrer",
CrossOriginEmbedderPolicy: "require-corp",
CrossOriginOpenerPolicy: "same-origin",
CrossOriginResourcePolicy: "same-origin",
OriginAgentCluster: "?1",
XDNSPrefetchControl: "off",
XDownloadOptions: "noopen",
XPermittedCrossDomain: "none",
}
// Helper function to set default values
func configDefault(config ...Config) Config {
// Return default config if nothing provided
if len(config) < 1 {
return ConfigDefault
}
// Override default config
cfg := config[0]
// Set default values
if cfg.XSSProtection == "" {
cfg.XSSProtection = ConfigDefault.XSSProtection
}
if cfg.ContentTypeNosniff == "" {
cfg.ContentTypeNosniff = ConfigDefault.ContentTypeNosniff
}
if cfg.XFrameOptions == "" {
cfg.XFrameOptions = ConfigDefault.XFrameOptions
}
if cfg.ReferrerPolicy == "" {
cfg.ReferrerPolicy = ConfigDefault.ReferrerPolicy
}
if cfg.CrossOriginEmbedderPolicy == "" {
cfg.CrossOriginEmbedderPolicy = ConfigDefault.CrossOriginEmbedderPolicy
}
if cfg.CrossOriginOpenerPolicy == "" {
cfg.CrossOriginOpenerPolicy = ConfigDefault.CrossOriginOpenerPolicy
}
if cfg.CrossOriginResourcePolicy == "" {
cfg.CrossOriginResourcePolicy = ConfigDefault.CrossOriginResourcePolicy
}
if cfg.OriginAgentCluster == "" {
cfg.OriginAgentCluster = ConfigDefault.OriginAgentCluster
}
if cfg.XDNSPrefetchControl == "" {
cfg.XDNSPrefetchControl = ConfigDefault.XDNSPrefetchControl
}
if cfg.XDownloadOptions == "" {
cfg.XDownloadOptions = ConfigDefault.XDownloadOptions
}
if cfg.XPermittedCrossDomain == "" {
cfg.XPermittedCrossDomain = ConfigDefault.XPermittedCrossDomain
}
return cfg
}