package dynamic import ( "time" ptypes "github.com/traefik/paerser/types" "github.com/traefik/traefik/v2/pkg/ip" "github.com/traefik/traefik/v2/pkg/types" ) // +k8s:deepcopy-gen=true // Middleware holds the Middleware configuration. type Middleware struct { AddPrefix *AddPrefix `json:"addPrefix,omitempty" toml:"addPrefix,omitempty" yaml:"addPrefix,omitempty" export:"true"` StripPrefix *StripPrefix `json:"stripPrefix,omitempty" toml:"stripPrefix,omitempty" yaml:"stripPrefix,omitempty" export:"true"` StripPrefixRegex *StripPrefixRegex `json:"stripPrefixRegex,omitempty" toml:"stripPrefixRegex,omitempty" yaml:"stripPrefixRegex,omitempty" export:"true"` ReplacePath *ReplacePath `json:"replacePath,omitempty" toml:"replacePath,omitempty" yaml:"replacePath,omitempty" export:"true"` ReplacePathRegex *ReplacePathRegex `json:"replacePathRegex,omitempty" toml:"replacePathRegex,omitempty" yaml:"replacePathRegex,omitempty" export:"true"` Chain *Chain `json:"chain,omitempty" toml:"chain,omitempty" yaml:"chain,omitempty" export:"true"` IPWhiteList *IPWhiteList `json:"ipWhiteList,omitempty" toml:"ipWhiteList,omitempty" yaml:"ipWhiteList,omitempty" export:"true"` Headers *Headers `json:"headers,omitempty" toml:"headers,omitempty" yaml:"headers,omitempty" export:"true"` Errors *ErrorPage `json:"errors,omitempty" toml:"errors,omitempty" yaml:"errors,omitempty" export:"true"` RateLimit *RateLimit `json:"rateLimit,omitempty" toml:"rateLimit,omitempty" yaml:"rateLimit,omitempty" export:"true"` RedirectRegex *RedirectRegex `json:"redirectRegex,omitempty" toml:"redirectRegex,omitempty" yaml:"redirectRegex,omitempty" export:"true"` RedirectScheme *RedirectScheme `json:"redirectScheme,omitempty" toml:"redirectScheme,omitempty" yaml:"redirectScheme,omitempty" export:"true"` BasicAuth *BasicAuth `json:"basicAuth,omitempty" toml:"basicAuth,omitempty" yaml:"basicAuth,omitempty" export:"true"` DigestAuth *DigestAuth `json:"digestAuth,omitempty" toml:"digestAuth,omitempty" yaml:"digestAuth,omitempty" export:"true"` ForwardAuth *ForwardAuth `json:"forwardAuth,omitempty" toml:"forwardAuth,omitempty" yaml:"forwardAuth,omitempty" export:"true"` InFlightReq *InFlightReq `json:"inFlightReq,omitempty" toml:"inFlightReq,omitempty" yaml:"inFlightReq,omitempty" export:"true"` Buffering *Buffering `json:"buffering,omitempty" toml:"buffering,omitempty" yaml:"buffering,omitempty" export:"true"` CircuitBreaker *CircuitBreaker `json:"circuitBreaker,omitempty" toml:"circuitBreaker,omitempty" yaml:"circuitBreaker,omitempty" export:"true"` Compress *Compress `json:"compress,omitempty" toml:"compress,omitempty" yaml:"compress,omitempty" label:"allowEmpty" file:"allowEmpty" kv:"allowEmpty" export:"true"` PassTLSClientCert *PassTLSClientCert `json:"passTLSClientCert,omitempty" toml:"passTLSClientCert,omitempty" yaml:"passTLSClientCert,omitempty" export:"true"` Retry *Retry `json:"retry,omitempty" toml:"retry,omitempty" yaml:"retry,omitempty" export:"true"` ContentType *ContentType `json:"contentType,omitempty" toml:"contentType,omitempty" yaml:"contentType,omitempty" export:"true"` Plugin map[string]PluginConf `json:"plugin,omitempty" toml:"plugin,omitempty" yaml:"plugin,omitempty" export:"true"` } // +k8s:deepcopy-gen=true // ContentType holds the content-type middleware configuration. // This middleware exists to enable the correct behavior until at least the default one can be changed in a future version. type ContentType struct { // AutoDetect specifies whether to let the `Content-Type` header, if it has not been set by the backend, // be automatically set to a value derived from the contents of the response. // As a proxy, the default behavior should be to leave the header alone, regardless of what the backend did with it. // However, the historic default was to always auto-detect and set the header if it was nil, // and it is going to be kept that way in order to support users currently relying on it. AutoDetect bool `json:"autoDetect,omitempty" toml:"autoDetect,omitempty" yaml:"autoDetect,omitempty" export:"true"` } // +k8s:deepcopy-gen=true // AddPrefix holds the add prefix middleware configuration. // This middleware updates the path of a request before forwarding it. // More info: https://doc.traefik.io/traefik/v2.9/middlewares/http/addprefix/ type AddPrefix struct { // Prefix is the string to add before the current path in the requested URL. // It should include a leading slash (/). Prefix string `json:"prefix,omitempty" toml:"prefix,omitempty" yaml:"prefix,omitempty" export:"true"` } // +k8s:deepcopy-gen=true // BasicAuth holds the basic auth middleware configuration. // This middleware restricts access to your services to known users. // More info: https://doc.traefik.io/traefik/v2.9/middlewares/http/basicauth/ type BasicAuth struct { // Users is an array of authorized users. // Each user must be declared using the name:hashed-password format. // Tip: Use htpasswd to generate the passwords. Users Users `json:"users,omitempty" toml:"users,omitempty" yaml:"users,omitempty" loggable:"false"` // UsersFile is the path to an external file that contains the authorized users. UsersFile string `json:"usersFile,omitempty" toml:"usersFile,omitempty" yaml:"usersFile,omitempty"` // Realm allows the protected resources on a server to be partitioned into a set of protection spaces, each with its own authentication scheme. // Default: traefik. Realm string `json:"realm,omitempty" toml:"realm,omitempty" yaml:"realm,omitempty"` // RemoveHeader sets the removeHeader option to true to remove the authorization header before forwarding the request to your service. // Default: false. RemoveHeader bool `json:"removeHeader,omitempty" toml:"removeHeader,omitempty" yaml:"removeHeader,omitempty" export:"true"` // HeaderField defines a header field to store the authenticated user. // More info: https://doc.traefik.io/traefik/v2.9/middlewares/http/basicauth/#headerfield HeaderField string `json:"headerField,omitempty" toml:"headerField,omitempty" yaml:"headerField,omitempty" export:"true"` } // +k8s:deepcopy-gen=true // Buffering holds the buffering middleware configuration. // This middleware retries or limits the size of requests that can be forwarded to backends. // More info: https://doc.traefik.io/traefik/v2.9/middlewares/http/buffering/#maxrequestbodybytes type Buffering struct { // MaxRequestBodyBytes defines the maximum allowed body size for the request (in bytes). // If the request exceeds the allowed size, it is not forwarded to the service, and the client gets a 413 (Request Entity Too Large) response. // Default: 0 (no maximum). MaxRequestBodyBytes int64 `json:"maxRequestBodyBytes,omitempty" toml:"maxRequestBodyBytes,omitempty" yaml:"maxRequestBodyBytes,omitempty" export:"true"` // MemRequestBodyBytes defines the threshold (in bytes) from which the request will be buffered on disk instead of in memory. // Default: 1048576 (1Mi). MemRequestBodyBytes int64 `json:"memRequestBodyBytes,omitempty" toml:"memRequestBodyBytes,omitempty" yaml:"memRequestBodyBytes,omitempty" export:"true"` // MaxResponseBodyBytes defines the maximum allowed response size from the service (in bytes). // If the response exceeds the allowed size, it is not forwarded to the client. The client gets a 500 (Internal Server Error) response instead. // Default: 0 (no maximum). MaxResponseBodyBytes int64 `json:"maxResponseBodyBytes,omitempty" toml:"maxResponseBodyBytes,omitempty" yaml:"maxResponseBodyBytes,omitempty" export:"true"` // MemResponseBodyBytes defines the threshold (in bytes) from which the response will be buffered on disk instead of in memory. // Default: 1048576 (1Mi). MemResponseBodyBytes int64 `json:"memResponseBodyBytes,omitempty" toml:"memResponseBodyBytes,omitempty" yaml:"memResponseBodyBytes,omitempty" export:"true"` // RetryExpression defines the retry conditions. // It is a logical combination of functions with operators AND (&&) and OR (||). // More info: https://doc.traefik.io/traefik/v2.9/middlewares/http/buffering/#retryexpression RetryExpression string `json:"retryExpression,omitempty" toml:"retryExpression,omitempty" yaml:"retryExpression,omitempty" export:"true"` } // +k8s:deepcopy-gen=true // Chain holds the chain middleware configuration. // This middleware enables to define reusable combinations of other pieces of middleware. type Chain struct { // Middlewares is the list of middleware names which composes the chain. Middlewares []string `json:"middlewares,omitempty" toml:"middlewares,omitempty" yaml:"middlewares,omitempty" export:"true"` } // +k8s:deepcopy-gen=true // CircuitBreaker holds the circuit breaker middleware configuration. // This middleware protects the system from stacking requests to unhealthy services, resulting in cascading failures. // More info: https://doc.traefik.io/traefik/v2.9/middlewares/http/circuitbreaker/ type CircuitBreaker struct { // Expression defines the expression that, once matched, opens the circuit breaker and applies the fallback mechanism instead of calling the services. Expression string `json:"expression,omitempty" toml:"expression,omitempty" yaml:"expression,omitempty" export:"true"` // CheckPeriod is the interval between successive checks of the circuit breaker condition (when in standby state). CheckPeriod ptypes.Duration `json:"checkPeriod,omitempty" toml:"checkPeriod,omitempty" yaml:"checkPeriod,omitempty" export:"true"` // FallbackDuration is the duration for which the circuit breaker will wait before trying to recover (from a tripped state). FallbackDuration ptypes.Duration `json:"fallbackDuration,omitempty" toml:"fallbackDuration,omitempty" yaml:"fallbackDuration,omitempty" export:"true"` // RecoveryDuration is the duration for which the circuit breaker will try to recover (as soon as it is in recovering state). RecoveryDuration ptypes.Duration `json:"recoveryDuration,omitempty" toml:"recoveryDuration,omitempty" yaml:"recoveryDuration,omitempty" export:"true"` } // SetDefaults sets the default values on a RateLimit. func (c *CircuitBreaker) SetDefaults() { c.CheckPeriod = ptypes.Duration(100 * time.Millisecond) c.FallbackDuration = ptypes.Duration(10 * time.Second) c.RecoveryDuration = ptypes.Duration(10 * time.Second) } // +k8s:deepcopy-gen=true // Compress holds the compress middleware configuration. // This middleware compresses responses before sending them to the client, using gzip compression. // More info: https://doc.traefik.io/traefik/v2.9/middlewares/http/compress/ type Compress struct { // ExcludedContentTypes defines the list of content types to compare the Content-Type header of the incoming requests and responses before compressing. ExcludedContentTypes []string `json:"excludedContentTypes,omitempty" toml:"excludedContentTypes,omitempty" yaml:"excludedContentTypes,omitempty" export:"true"` // MinResponseBodyBytes defines the minimum amount of bytes a response body must have to be compressed. // Default: 1024. MinResponseBodyBytes int `json:"minResponseBodyBytes,omitempty" toml:"minResponseBodyBytes,omitempty" yaml:"minResponseBodyBytes,omitempty" export:"true"` } // +k8s:deepcopy-gen=true // DigestAuth holds the digest auth middleware configuration. // This middleware restricts access to your services to known users. // More info: https://doc.traefik.io/traefik/v2.9/middlewares/http/digestauth/ type DigestAuth struct { // Users defines the authorized users. // Each user should be declared using the name:realm:encoded-password format. Users Users `json:"users,omitempty" toml:"users,omitempty" yaml:"users,omitempty" loggable:"false"` // UsersFile is the path to an external file that contains the authorized users for the middleware. UsersFile string `json:"usersFile,omitempty" toml:"usersFile,omitempty" yaml:"usersFile,omitempty"` // RemoveHeader defines whether to remove the authorization header before forwarding the request to the backend. RemoveHeader bool `json:"removeHeader,omitempty" toml:"removeHeader,omitempty" yaml:"removeHeader,omitempty" export:"true"` // Realm allows the protected resources on a server to be partitioned into a set of protection spaces, each with its own authentication scheme. // Default: traefik. Realm string `json:"realm,omitempty" toml:"realm,omitempty" yaml:"realm,omitempty"` // HeaderField defines a header field to store the authenticated user. // More info: https://doc.traefik.io/traefik/v2.9/middlewares/http/basicauth/#headerfield HeaderField string `json:"headerField,omitempty" toml:"headerField,omitempty" yaml:"headerField,omitempty" export:"true"` } // +k8s:deepcopy-gen=true // ErrorPage holds the custom error middleware configuration. // This middleware returns a custom page in lieu of the default, according to configured ranges of HTTP Status codes. type ErrorPage struct { // Status defines which status or range of statuses should result in an error page. // It can be either a status code as a number (500), // as multiple comma-separated numbers (500,502), // as ranges by separating two codes with a dash (500-599), // or a combination of the two (404,418,500-599). Status []string `json:"status,omitempty" toml:"status,omitempty" yaml:"status,omitempty" export:"true"` // Service defines the name of the service that will serve the error page. Service string `json:"service,omitempty" toml:"service,omitempty" yaml:"service,omitempty" export:"true"` // Query defines the URL for the error page (hosted by service). // The {status} variable can be used in order to insert the status code in the URL. Query string `json:"query,omitempty" toml:"query,omitempty" yaml:"query,omitempty" export:"true"` } // +k8s:deepcopy-gen=true // ForwardAuth holds the forward auth middleware configuration. // This middleware delegates the request authentication to a Service. // More info: https://doc.traefik.io/traefik/v2.9/middlewares/http/forwardauth/ type ForwardAuth struct { // Address defines the authentication server address. Address string `json:"address,omitempty" toml:"address,omitempty" yaml:"address,omitempty"` // TLS defines the configuration used to secure the connection to the authentication server. TLS *types.ClientTLS `json:"tls,omitempty" toml:"tls,omitempty" yaml:"tls,omitempty" export:"true"` // TrustForwardHeader defines whether to trust (ie: forward) all X-Forwarded-* headers. TrustForwardHeader bool `json:"trustForwardHeader,omitempty" toml:"trustForwardHeader,omitempty" yaml:"trustForwardHeader,omitempty" export:"true"` // AuthResponseHeaders defines the list of headers to copy from the authentication server response and set on forwarded request, replacing any existing conflicting headers. AuthResponseHeaders []string `json:"authResponseHeaders,omitempty" toml:"authResponseHeaders,omitempty" yaml:"authResponseHeaders,omitempty" export:"true"` // AuthResponseHeadersRegex defines the regex to match headers to copy from the authentication server response and set on forwarded request, after stripping all headers that match the regex. // More info: https://doc.traefik.io/traefik/v2.9/middlewares/http/forwardauth/#authresponseheadersregex AuthResponseHeadersRegex string `json:"authResponseHeadersRegex,omitempty" toml:"authResponseHeadersRegex,omitempty" yaml:"authResponseHeadersRegex,omitempty" export:"true"` // AuthRequestHeaders defines the list of the headers to copy from the request to the authentication server. // If not set or empty then all request headers are passed. AuthRequestHeaders []string `json:"authRequestHeaders,omitempty" toml:"authRequestHeaders,omitempty" yaml:"authRequestHeaders,omitempty" export:"true"` } // +k8s:deepcopy-gen=true // Headers holds the headers middleware configuration. // This middleware manages the requests and responses headers. // More info: https://doc.traefik.io/traefik/v2.9/middlewares/http/headers/#customrequestheaders type Headers struct { // CustomRequestHeaders defines the header names and values to apply to the request. CustomRequestHeaders map[string]string `json:"customRequestHeaders,omitempty" toml:"customRequestHeaders,omitempty" yaml:"customRequestHeaders,omitempty" export:"true"` // CustomResponseHeaders defines the header names and values to apply to the response. CustomResponseHeaders map[string]string `json:"customResponseHeaders,omitempty" toml:"customResponseHeaders,omitempty" yaml:"customResponseHeaders,omitempty" export:"true"` // AccessControlAllowCredentials defines whether the request can include user credentials. AccessControlAllowCredentials bool `json:"accessControlAllowCredentials,omitempty" toml:"accessControlAllowCredentials,omitempty" yaml:"accessControlAllowCredentials,omitempty" export:"true"` // AccessControlAllowHeaders defines the Access-Control-Request-Headers values sent in preflight response. AccessControlAllowHeaders []string `json:"accessControlAllowHeaders,omitempty" toml:"accessControlAllowHeaders,omitempty" yaml:"accessControlAllowHeaders,omitempty" export:"true"` // AccessControlAllowMethods defines the Access-Control-Request-Method values sent in preflight response. AccessControlAllowMethods []string `json:"accessControlAllowMethods,omitempty" toml:"accessControlAllowMethods,omitempty" yaml:"accessControlAllowMethods,omitempty" export:"true"` // AccessControlAllowOriginList is a list of allowable origins. Can also be a wildcard origin "*". AccessControlAllowOriginList []string `json:"accessControlAllowOriginList,omitempty" toml:"accessControlAllowOriginList,omitempty" yaml:"accessControlAllowOriginList,omitempty"` // AccessControlAllowOriginListRegex is a list of allowable origins written following the Regular Expression syntax (https://golang.org/pkg/regexp/). AccessControlAllowOriginListRegex []string `json:"accessControlAllowOriginListRegex,omitempty" toml:"accessControlAllowOriginListRegex,omitempty" yaml:"accessControlAllowOriginListRegex,omitempty"` // AccessControlExposeHeaders defines the Access-Control-Expose-Headers values sent in preflight response. AccessControlExposeHeaders []string `json:"accessControlExposeHeaders,omitempty" toml:"accessControlExposeHeaders,omitempty" yaml:"accessControlExposeHeaders,omitempty" export:"true"` // AccessControlMaxAge defines the time that a preflight request may be cached. AccessControlMaxAge int64 `json:"accessControlMaxAge,omitempty" toml:"accessControlMaxAge,omitempty" yaml:"accessControlMaxAge,omitempty" export:"true"` // AddVaryHeader defines whether the Vary header is automatically added/updated when the AccessControlAllowOriginList is set. AddVaryHeader bool `json:"addVaryHeader,omitempty" toml:"addVaryHeader,omitempty" yaml:"addVaryHeader,omitempty" export:"true"` // AllowedHosts defines the fully qualified list of allowed domain names. AllowedHosts []string `json:"allowedHosts,omitempty" toml:"allowedHosts,omitempty" yaml:"allowedHosts,omitempty"` // HostsProxyHeaders defines the header keys that may hold a proxied hostname value for the request. HostsProxyHeaders []string `json:"hostsProxyHeaders,omitempty" toml:"hostsProxyHeaders,omitempty" yaml:"hostsProxyHeaders,omitempty" export:"true"` // Deprecated: use EntryPoint redirection or RedirectScheme instead. SSLRedirect bool `json:"sslRedirect,omitempty" toml:"sslRedirect,omitempty" yaml:"sslRedirect,omitempty" export:"true"` // Deprecated: use EntryPoint redirection or RedirectScheme instead. SSLTemporaryRedirect bool `json:"sslTemporaryRedirect,omitempty" toml:"sslTemporaryRedirect,omitempty" yaml:"sslTemporaryRedirect,omitempty" export:"true"` // Deprecated: use RedirectRegex instead. SSLHost string `json:"sslHost,omitempty" toml:"sslHost,omitempty" yaml:"sslHost,omitempty"` // SSLProxyHeaders defines the header keys with associated values that would indicate a valid HTTPS request. // It can be useful when using other proxies (example: "X-Forwarded-Proto": "https"). SSLProxyHeaders map[string]string `json:"sslProxyHeaders,omitempty" toml:"sslProxyHeaders,omitempty" yaml:"sslProxyHeaders,omitempty"` // Deprecated: use RedirectRegex instead. SSLForceHost bool `json:"sslForceHost,omitempty" toml:"sslForceHost,omitempty" yaml:"sslForceHost,omitempty" export:"true"` // STSSeconds defines the max-age of the Strict-Transport-Security header. // If set to 0, the header is not set. STSSeconds int64 `json:"stsSeconds,omitempty" toml:"stsSeconds,omitempty" yaml:"stsSeconds,omitempty" export:"true"` // STSIncludeSubdomains defines whether the includeSubDomains directive is appended to the Strict-Transport-Security header. STSIncludeSubdomains bool `json:"stsIncludeSubdomains,omitempty" toml:"stsIncludeSubdomains,omitempty" yaml:"stsIncludeSubdomains,omitempty" export:"true"` // STSPreload defines whether the preload flag is appended to the Strict-Transport-Security header. STSPreload bool `json:"stsPreload,omitempty" toml:"stsPreload,omitempty" yaml:"stsPreload,omitempty" export:"true"` // ForceSTSHeader defines whether to add the STS header even when the connection is HTTP. ForceSTSHeader bool `json:"forceSTSHeader,omitempty" toml:"forceSTSHeader,omitempty" yaml:"forceSTSHeader,omitempty" export:"true"` // FrameDeny defines whether to add the X-Frame-Options header with the DENY value. FrameDeny bool `json:"frameDeny,omitempty" toml:"frameDeny,omitempty" yaml:"frameDeny,omitempty" export:"true"` // CustomFrameOptionsValue defines the X-Frame-Options header value. // This overrides the FrameDeny option. CustomFrameOptionsValue string `json:"customFrameOptionsValue,omitempty" toml:"customFrameOptionsValue,omitempty" yaml:"customFrameOptionsValue,omitempty"` // ContentTypeNosniff defines whether to add the X-Content-Type-Options header with the nosniff value. ContentTypeNosniff bool `json:"contentTypeNosniff,omitempty" toml:"contentTypeNosniff,omitempty" yaml:"contentTypeNosniff,omitempty" export:"true"` // BrowserXSSFilter defines whether to add the X-XSS-Protection header with the value 1; mode=block. BrowserXSSFilter bool `json:"browserXssFilter,omitempty" toml:"browserXssFilter,omitempty" yaml:"browserXssFilter,omitempty" export:"true"` // CustomBrowserXSSValue defines the X-XSS-Protection header value. // This overrides the BrowserXssFilter option. CustomBrowserXSSValue string `json:"customBrowserXSSValue,omitempty" toml:"customBrowserXSSValue,omitempty" yaml:"customBrowserXSSValue,omitempty"` // ContentSecurityPolicy defines the Content-Security-Policy header value. ContentSecurityPolicy string `json:"contentSecurityPolicy,omitempty" toml:"contentSecurityPolicy,omitempty" yaml:"contentSecurityPolicy,omitempty"` // PublicKey is the public key that implements HPKP to prevent MITM attacks with forged certificates. PublicKey string `json:"publicKey,omitempty" toml:"publicKey,omitempty" yaml:"publicKey,omitempty"` // ReferrerPolicy defines the Referrer-Policy header value. // This allows sites to control whether browsers forward the Referer header to other sites. ReferrerPolicy string `json:"referrerPolicy,omitempty" toml:"referrerPolicy,omitempty" yaml:"referrerPolicy,omitempty" export:"true"` // Deprecated: use PermissionsPolicy instead. FeaturePolicy string `json:"featurePolicy,omitempty" toml:"featurePolicy,omitempty" yaml:"featurePolicy,omitempty" export:"true"` // PermissionsPolicy defines the Permissions-Policy header value. // This allows sites to control browser features. PermissionsPolicy string `json:"permissionsPolicy,omitempty" toml:"permissionsPolicy,omitempty" yaml:"permissionsPolicy,omitempty" export:"true"` // IsDevelopment defines whether to mitigate the unwanted effects of the AllowedHosts, SSL, and STS options when developing. // Usually testing takes place using HTTP, not HTTPS, and on localhost, not your production domain. // If you would like your development environment to mimic production with complete Host blocking, SSL redirects, // and STS headers, leave this as false. IsDevelopment bool `json:"isDevelopment,omitempty" toml:"isDevelopment,omitempty" yaml:"isDevelopment,omitempty" export:"true"` } // HasCustomHeadersDefined checks to see if any of the custom header elements have been set. func (h *Headers) HasCustomHeadersDefined() bool { return h != nil && (len(h.CustomResponseHeaders) != 0 || len(h.CustomRequestHeaders) != 0) } // HasCorsHeadersDefined checks to see if any of the cors header elements have been set. func (h *Headers) HasCorsHeadersDefined() bool { return h != nil && (h.AccessControlAllowCredentials || len(h.AccessControlAllowHeaders) != 0 || len(h.AccessControlAllowMethods) != 0 || len(h.AccessControlAllowOriginList) != 0 || len(h.AccessControlAllowOriginListRegex) != 0 || len(h.AccessControlExposeHeaders) != 0 || h.AccessControlMaxAge != 0 || h.AddVaryHeader) } // HasSecureHeadersDefined checks to see if any of the secure header elements have been set. func (h *Headers) HasSecureHeadersDefined() bool { return h != nil && (len(h.AllowedHosts) != 0 || len(h.HostsProxyHeaders) != 0 || h.SSLRedirect || h.SSLTemporaryRedirect || h.SSLForceHost || h.SSLHost != "" || len(h.SSLProxyHeaders) != 0 || h.STSSeconds != 0 || h.STSIncludeSubdomains || h.STSPreload || h.ForceSTSHeader || h.FrameDeny || h.CustomFrameOptionsValue != "" || h.ContentTypeNosniff || h.BrowserXSSFilter || h.CustomBrowserXSSValue != "" || h.ContentSecurityPolicy != "" || h.PublicKey != "" || h.ReferrerPolicy != "" || h.FeaturePolicy != "" || h.PermissionsPolicy != "" || h.IsDevelopment) } // +k8s:deepcopy-gen=true // IPStrategy holds the IP strategy configuration used by Traefik to determine the client IP. // More info: https://doc.traefik.io/traefik/v2.9/middlewares/http/ipwhitelist/#ipstrategy type IPStrategy struct { // Depth tells Traefik to use the X-Forwarded-For header and take the IP located at the depth position (starting from the right). Depth int `json:"depth,omitempty" toml:"depth,omitempty" yaml:"depth,omitempty" export:"true"` // ExcludedIPs configures Traefik to scan the X-Forwarded-For header and select the first IP not in the list. ExcludedIPs []string `json:"excludedIPs,omitempty" toml:"excludedIPs,omitempty" yaml:"excludedIPs,omitempty"` // TODO(mpl): I think we should make RemoteAddr an explicit field. For one thing, it would yield better documentation. } // Get an IP selection strategy. // If nil return the RemoteAddr strategy // else return a strategy based on the configuration using the X-Forwarded-For Header. // Depth override the ExcludedIPs. func (s *IPStrategy) Get() (ip.Strategy, error) { if s == nil { return &ip.RemoteAddrStrategy{}, nil } if s.Depth > 0 { return &ip.DepthStrategy{ Depth: s.Depth, }, nil } if len(s.ExcludedIPs) > 0 { checker, err := ip.NewChecker(s.ExcludedIPs) if err != nil { return nil, err } return &ip.PoolStrategy{ Checker: checker, }, nil } return &ip.RemoteAddrStrategy{}, nil } // +k8s:deepcopy-gen=true // IPWhiteList holds the IP whitelist middleware configuration. // This middleware accepts / refuses requests based on the client IP. // More info: https://doc.traefik.io/traefik/v2.9/middlewares/http/ipwhitelist/ type IPWhiteList struct { // SourceRange defines the set of allowed IPs (or ranges of allowed IPs by using CIDR notation). SourceRange []string `json:"sourceRange,omitempty" toml:"sourceRange,omitempty" yaml:"sourceRange,omitempty"` IPStrategy *IPStrategy `json:"ipStrategy,omitempty" toml:"ipStrategy,omitempty" yaml:"ipStrategy,omitempty" label:"allowEmpty" file:"allowEmpty" kv:"allowEmpty" export:"true"` } // +k8s:deepcopy-gen=true // InFlightReq holds the in-flight request middleware configuration. // This middleware limits the number of requests being processed and served concurrently. // More info: https://doc.traefik.io/traefik/v2.9/middlewares/http/inflightreq/ type InFlightReq struct { // Amount defines the maximum amount of allowed simultaneous in-flight request. // The middleware responds with HTTP 429 Too Many Requests if there are already amount requests in progress (based on the same sourceCriterion strategy). Amount int64 `json:"amount,omitempty" toml:"amount,omitempty" yaml:"amount,omitempty" export:"true"` // SourceCriterion defines what criterion is used to group requests as originating from a common source. // If several strategies are defined at the same time, an error will be raised. // If none are set, the default is to use the requestHost. // More info: https://doc.traefik.io/traefik/v2.9/middlewares/http/inflightreq/#sourcecriterion SourceCriterion *SourceCriterion `json:"sourceCriterion,omitempty" toml:"sourceCriterion,omitempty" yaml:"sourceCriterion,omitempty" export:"true"` } // +k8s:deepcopy-gen=true // PassTLSClientCert holds the pass TLS client cert middleware configuration. // This middleware adds the selected data from the passed client TLS certificate to a header. // More info: https://doc.traefik.io/traefik/v2.9/middlewares/http/passtlsclientcert/ type PassTLSClientCert struct { // PEM sets the X-Forwarded-Tls-Client-Cert header with the escaped certificate. PEM bool `json:"pem,omitempty" toml:"pem,omitempty" yaml:"pem,omitempty" export:"true"` // Info selects the specific client certificate details you want to add to the X-Forwarded-Tls-Client-Cert-Info header. Info *TLSClientCertificateInfo `json:"info,omitempty" toml:"info,omitempty" yaml:"info,omitempty" export:"true"` } // +k8s:deepcopy-gen=true // SourceCriterion defines what criterion is used to group requests as originating from a common source. // If none are set, the default is to use the request's remote address field. // All fields are mutually exclusive. type SourceCriterion struct { IPStrategy *IPStrategy `json:"ipStrategy,omitempty" toml:"ipStrategy,omitempty" yaml:"ipStrategy,omitempty" export:"true"` // RequestHeaderName defines the name of the header used to group incoming requests. RequestHeaderName string `json:"requestHeaderName,omitempty" toml:"requestHeaderName,omitempty" yaml:"requestHeaderName,omitempty" export:"true"` // RequestHost defines whether to consider the request Host as the source. RequestHost bool `json:"requestHost,omitempty" toml:"requestHost,omitempty" yaml:"requestHost,omitempty" export:"true"` } // +k8s:deepcopy-gen=true // RateLimit holds the rate limit configuration. // This middleware ensures that services will receive a fair amount of requests, and allows one to define what fair is. type RateLimit struct { // Average is the maximum rate, by default in requests/s, allowed for the given source. // It defaults to 0, which means no rate limiting. // The rate is actually defined by dividing Average by Period. So for a rate below 1req/s, // one needs to define a Period larger than a second. Average int64 `json:"average,omitempty" toml:"average,omitempty" yaml:"average,omitempty" export:"true"` // Period, in combination with Average, defines the actual maximum rate, such as: // r = Average / Period. It defaults to a second. Period ptypes.Duration `json:"period,omitempty" toml:"period,omitempty" yaml:"period,omitempty" export:"true"` // Burst is the maximum number of requests allowed to arrive in the same arbitrarily small period of time. // It defaults to 1. Burst int64 `json:"burst,omitempty" toml:"burst,omitempty" yaml:"burst,omitempty" export:"true"` // SourceCriterion defines what criterion is used to group requests as originating from a common source. // If several strategies are defined at the same time, an error will be raised. // If none are set, the default is to use the request's remote address field (as an ipStrategy). SourceCriterion *SourceCriterion `json:"sourceCriterion,omitempty" toml:"sourceCriterion,omitempty" yaml:"sourceCriterion,omitempty" export:"true"` } // SetDefaults sets the default values on a RateLimit. func (r *RateLimit) SetDefaults() { r.Burst = 1 r.Period = ptypes.Duration(time.Second) } // +k8s:deepcopy-gen=true // RedirectRegex holds the redirect regex middleware configuration. // This middleware redirects a request using regex matching and replacement. // More info: https://doc.traefik.io/traefik/v2.9/middlewares/http/redirectregex/#regex type RedirectRegex struct { // Regex defines the regex used to match and capture elements from the request URL. Regex string `json:"regex,omitempty" toml:"regex,omitempty" yaml:"regex,omitempty"` // Replacement defines how to modify the URL to have the new target URL. Replacement string `json:"replacement,omitempty" toml:"replacement,omitempty" yaml:"replacement,omitempty"` // Permanent defines whether the redirection is permanent (301). Permanent bool `json:"permanent,omitempty" toml:"permanent,omitempty" yaml:"permanent,omitempty" export:"true"` } // +k8s:deepcopy-gen=true // RedirectScheme holds the redirect scheme middleware configuration. // This middleware redirects requests from a scheme/port to another. // More info: https://doc.traefik.io/traefik/v2.9/middlewares/http/redirectscheme/ type RedirectScheme struct { // Scheme defines the scheme of the new URL. Scheme string `json:"scheme,omitempty" toml:"scheme,omitempty" yaml:"scheme,omitempty" export:"true"` // Port defines the port of the new URL. Port string `json:"port,omitempty" toml:"port,omitempty" yaml:"port,omitempty" export:"true"` // Permanent defines whether the redirection is permanent (301). Permanent bool `json:"permanent,omitempty" toml:"permanent,omitempty" yaml:"permanent,omitempty" export:"true"` } // +k8s:deepcopy-gen=true // ReplacePath holds the replace path middleware configuration. // This middleware replaces the path of the request URL and store the original path in an X-Replaced-Path header. // More info: https://doc.traefik.io/traefik/v2.9/middlewares/http/replacepath/ type ReplacePath struct { // Path defines the path to use as replacement in the request URL. Path string `json:"path,omitempty" toml:"path,omitempty" yaml:"path,omitempty" export:"true"` } // +k8s:deepcopy-gen=true // ReplacePathRegex holds the replace path regex middleware configuration. // This middleware replaces the path of a URL using regex matching and replacement. // More info: https://doc.traefik.io/traefik/v2.9/middlewares/http/replacepathregex/ type ReplacePathRegex struct { // Regex defines the regular expression used to match and capture the path from the request URL. Regex string `json:"regex,omitempty" toml:"regex,omitempty" yaml:"regex,omitempty" export:"true"` // Replacement defines the replacement path format, which can include captured variables. Replacement string `json:"replacement,omitempty" toml:"replacement,omitempty" yaml:"replacement,omitempty" export:"true"` } // +k8s:deepcopy-gen=true // Retry holds the retry middleware configuration. // This middleware reissues requests a given number of times to a backend server if that server does not reply. // As soon as the server answers, the middleware stops retrying, regardless of the response status. // More info: https://doc.traefik.io/traefik/v2.9/middlewares/http/retry/ type Retry struct { // Attempts defines how many times the request should be retried. Attempts int `json:"attempts,omitempty" toml:"attempts,omitempty" yaml:"attempts,omitempty" export:"true"` // InitialInterval defines the first wait time in the exponential backoff series. // The maximum interval is calculated as twice the initialInterval. // If unspecified, requests will be retried immediately. // The value of initialInterval should be provided in seconds or as a valid duration format, // see https://pkg.go.dev/time#ParseDuration. InitialInterval ptypes.Duration `json:"initialInterval,omitempty" toml:"initialInterval,omitempty" yaml:"initialInterval,omitempty" export:"true"` } // +k8s:deepcopy-gen=true // StripPrefix holds the strip prefix middleware configuration. // This middleware removes the specified prefixes from the URL path. // More info: https://doc.traefik.io/traefik/v2.9/middlewares/http/stripprefix/ type StripPrefix struct { // Prefixes defines the prefixes to strip from the request URL. Prefixes []string `json:"prefixes,omitempty" toml:"prefixes,omitempty" yaml:"prefixes,omitempty" export:"true"` // ForceSlash ensures that the resulting stripped path is not the empty string, by replacing it with / when necessary. // Default: true. ForceSlash bool `json:"forceSlash,omitempty" toml:"forceSlash,omitempty" yaml:"forceSlash,omitempty" export:"true"` // Deprecated } // SetDefaults Default values for a StripPrefix. func (s *StripPrefix) SetDefaults() { s.ForceSlash = true } // +k8s:deepcopy-gen=true // StripPrefixRegex holds the strip prefix regex middleware configuration. // This middleware removes the matching prefixes from the URL path. // More info: https://doc.traefik.io/traefik/v2.9/middlewares/http/stripprefixregex/ type StripPrefixRegex struct { // Regex defines the regular expression to match the path prefix from the request URL. Regex []string `json:"regex,omitempty" toml:"regex,omitempty" yaml:"regex,omitempty" export:"true"` } // +k8s:deepcopy-gen=true // TLSClientCertificateInfo holds the client TLS certificate info configuration. type TLSClientCertificateInfo struct { // NotAfter defines whether to add the Not After information from the Validity part. NotAfter bool `json:"notAfter,omitempty" toml:"notAfter,omitempty" yaml:"notAfter,omitempty" export:"true"` // NotBefore defines whether to add the Not Before information from the Validity part. NotBefore bool `json:"notBefore,omitempty" toml:"notBefore,omitempty" yaml:"notBefore,omitempty" export:"true"` // Sans defines whether to add the Subject Alternative Name information from the Subject Alternative Name part. Sans bool `json:"sans,omitempty" toml:"sans,omitempty" yaml:"sans,omitempty" export:"true"` // SerialNumber defines whether to add the client serialNumber information. SerialNumber bool `json:"serialNumber,omitempty" toml:"serialNumber,omitempty" yaml:"serialNumber,omitempty" export:"true"` // Subject defines the client certificate subject details to add to the X-Forwarded-Tls-Client-Cert-Info header. Subject *TLSClientCertificateSubjectDNInfo `json:"subject,omitempty" toml:"subject,omitempty" yaml:"subject,omitempty" export:"true"` // Issuer defines the client certificate issuer details to add to the X-Forwarded-Tls-Client-Cert-Info header. Issuer *TLSClientCertificateIssuerDNInfo `json:"issuer,omitempty" toml:"issuer,omitempty" yaml:"issuer,omitempty" export:"true"` } // +k8s:deepcopy-gen=true // TLSClientCertificateIssuerDNInfo holds the client TLS certificate distinguished name info configuration. // cf https://tools.ietf.org/html/rfc3739 type TLSClientCertificateIssuerDNInfo struct { // Country defines whether to add the country information into the issuer. Country bool `json:"country,omitempty" toml:"country,omitempty" yaml:"country,omitempty" export:"true"` // Province defines whether to add the province information into the issuer. Province bool `json:"province,omitempty" toml:"province,omitempty" yaml:"province,omitempty" export:"true"` // Locality defines whether to add the locality information into the issuer. Locality bool `json:"locality,omitempty" toml:"locality,omitempty" yaml:"locality,omitempty" export:"true"` // Organization defines whether to add the organization information into the issuer. Organization bool `json:"organization,omitempty" toml:"organization,omitempty" yaml:"organization,omitempty" export:"true"` // CommonName defines whether to add the organizationalUnit information into the issuer. CommonName bool `json:"commonName,omitempty" toml:"commonName,omitempty" yaml:"commonName,omitempty" export:"true"` // SerialNumber defines whether to add the serialNumber information into the issuer. SerialNumber bool `json:"serialNumber,omitempty" toml:"serialNumber,omitempty" yaml:"serialNumber,omitempty" export:"true"` // DomainComponent defines whether to add the domainComponent information into the issuer. DomainComponent bool `json:"domainComponent,omitempty" toml:"domainComponent,omitempty" yaml:"domainComponent,omitempty" export:"true"` } // +k8s:deepcopy-gen=true // TLSClientCertificateSubjectDNInfo holds the client TLS certificate distinguished name info configuration. // cf https://tools.ietf.org/html/rfc3739 type TLSClientCertificateSubjectDNInfo struct { // Country defines whether to add the country information into the subject. Country bool `json:"country,omitempty" toml:"country,omitempty" yaml:"country,omitempty" export:"true"` // Province defines whether to add the province information into the subject. Province bool `json:"province,omitempty" toml:"province,omitempty" yaml:"province,omitempty" export:"true"` // Locality defines whether to add the locality information into the subject. Locality bool `json:"locality,omitempty" toml:"locality,omitempty" yaml:"locality,omitempty" export:"true"` // Organization defines whether to add the organization information into the subject. Organization bool `json:"organization,omitempty" toml:"organization,omitempty" yaml:"organization,omitempty" export:"true"` // OrganizationalUnit defines whether to add the organizationalUnit information into the subject. OrganizationalUnit bool `json:"organizationalUnit,omitempty" toml:"organizationalUnit,omitempty" yaml:"organizationalUnit,omitempty" export:"true"` // CommonName defines whether to add the organizationalUnit information into the subject. CommonName bool `json:"commonName,omitempty" toml:"commonName,omitempty" yaml:"commonName,omitempty" export:"true"` // SerialNumber defines whether to add the serialNumber information into the subject. SerialNumber bool `json:"serialNumber,omitempty" toml:"serialNumber,omitempty" yaml:"serialNumber,omitempty" export:"true"` // DomainComponent defines whether to add the domainComponent information into the subject. DomainComponent bool `json:"domainComponent,omitempty" toml:"domainComponent,omitempty" yaml:"domainComponent,omitempty" export:"true"` } // +k8s:deepcopy-gen=true // Users holds a list of users. type Users []string