mirror of
https://github.com/traefik/traefik.git
synced 2025-11-03 18:01:31 +01:00
468 lines
23 KiB
Go
468 lines
23 KiB
Go
package dynamic
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import (
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"crypto/tls"
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"crypto/x509"
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"fmt"
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"io/ioutil"
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"os"
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"github.com/containous/traefik/v2/pkg/ip"
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"github.com/containous/traefik/v2/pkg/types"
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)
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// +k8s:deepcopy-gen=true
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// Middleware holds the Middleware configuration.
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type Middleware struct {
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AddPrefix *AddPrefix `json:"addPrefix,omitempty" toml:"addPrefix,omitempty" yaml:"addPrefix,omitempty"`
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StripPrefix *StripPrefix `json:"stripPrefix,omitempty" toml:"stripPrefix,omitempty" yaml:"stripPrefix,omitempty"`
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StripPrefixRegex *StripPrefixRegex `json:"stripPrefixRegex,omitempty" toml:"stripPrefixRegex,omitempty" yaml:"stripPrefixRegex,omitempty"`
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ReplacePath *ReplacePath `json:"replacePath,omitempty" toml:"replacePath,omitempty" yaml:"replacePath,omitempty"`
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ReplacePathRegex *ReplacePathRegex `json:"replacePathRegex,omitempty" toml:"replacePathRegex,omitempty" yaml:"replacePathRegex,omitempty"`
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Chain *Chain `json:"chain,omitempty" toml:"chain,omitempty" yaml:"chain,omitempty"`
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IPWhiteList *IPWhiteList `json:"ipWhiteList,omitempty" toml:"ipWhiteList,omitempty" yaml:"ipWhiteList,omitempty"`
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Headers *Headers `json:"headers,omitempty" toml:"headers,omitempty" yaml:"headers,omitempty"`
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Errors *ErrorPage `json:"errors,omitempty" toml:"errors,omitempty" yaml:"errors,omitempty"`
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// TODO: disable temporarily
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// RateLimit *RateLimit `json:"rateLimit,omitempty" toml:"rateLimit,omitempty" yaml:"rateLimit,omitempty"`
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RedirectRegex *RedirectRegex `json:"redirectRegex,omitempty" toml:"redirectRegex,omitempty" yaml:"redirectRegex,omitempty"`
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RedirectScheme *RedirectScheme `json:"redirectScheme,omitempty" toml:"redirectScheme,omitempty" yaml:"redirectScheme,omitempty"`
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BasicAuth *BasicAuth `json:"basicAuth,omitempty" toml:"basicAuth,omitempty" yaml:"basicAuth,omitempty"`
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DigestAuth *DigestAuth `json:"digestAuth,omitempty" toml:"digestAuth,omitempty" yaml:"digestAuth,omitempty"`
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ForwardAuth *ForwardAuth `json:"forwardAuth,omitempty" toml:"forwardAuth,omitempty" yaml:"forwardAuth,omitempty"`
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MaxConn *MaxConn `json:"maxConn,omitempty" toml:"maxConn,omitempty" yaml:"maxConn,omitempty"`
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Buffering *Buffering `json:"buffering,omitempty" toml:"buffering,omitempty" yaml:"buffering,omitempty"`
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CircuitBreaker *CircuitBreaker `json:"circuitBreaker,omitempty" toml:"circuitBreaker,omitempty" yaml:"circuitBreaker,omitempty"`
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Compress *Compress `json:"compress,omitempty" toml:"compress,omitempty" yaml:"compress,omitempty" label:"allowEmpty"`
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PassTLSClientCert *PassTLSClientCert `json:"passTLSClientCert,omitempty" toml:"passTLSClientCert,omitempty" yaml:"passTLSClientCert,omitempty"`
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Retry *Retry `json:"retry,omitempty" toml:"retry,omitempty" yaml:"retry,omitempty"`
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}
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// +k8s:deepcopy-gen=true
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// AddPrefix holds the AddPrefix configuration.
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type AddPrefix struct {
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Prefix string `json:"prefix,omitempty" toml:"prefix,omitempty" yaml:"prefix,omitempty"`
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}
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// +k8s:deepcopy-gen=true
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// Auth holds the authentication configuration (BASIC, DIGEST, users).
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type Auth struct {
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Basic *BasicAuth `json:"basic,omitempty" toml:"basic,omitempty" yaml:"basic,omitempty" export:"true"`
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Digest *DigestAuth `json:"digest,omitempty" toml:"digest,omitempty" yaml:"digest,omitempty" export:"true"`
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Forward *ForwardAuth `json:"forward,omitempty" toml:"forward,omitempty" yaml:"forward,omitempty" export:"true"`
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}
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// +k8s:deepcopy-gen=true
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// BasicAuth holds the HTTP basic authentication configuration.
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type BasicAuth struct {
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Users Users `json:"users,omitempty" toml:"users,omitempty" yaml:"users,omitempty"`
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UsersFile string `json:"usersFile,omitempty" toml:"usersFile,omitempty" yaml:"usersFile,omitempty"`
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Realm string `json:"realm,omitempty" toml:"realm,omitempty" yaml:"realm,omitempty"`
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RemoveHeader bool `json:"removeHeader,omitempty" toml:"removeHeader,omitempty" yaml:"removeHeader,omitempty"`
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HeaderField string `json:"headerField,omitempty" toml:"headerField,omitempty" yaml:"headerField,omitempty" export:"true"`
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}
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// +k8s:deepcopy-gen=true
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// Buffering holds the request/response buffering configuration.
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type Buffering struct {
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MaxRequestBodyBytes int64 `json:"maxRequestBodyBytes,omitempty" toml:"maxRequestBodyBytes,omitempty" yaml:"maxRequestBodyBytes,omitempty"`
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MemRequestBodyBytes int64 `json:"memRequestBodyBytes,omitempty" toml:"memRequestBodyBytes,omitempty" yaml:"memRequestBodyBytes,omitempty"`
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MaxResponseBodyBytes int64 `json:"maxResponseBodyBytes,omitempty" toml:"maxResponseBodyBytes,omitempty" yaml:"maxResponseBodyBytes,omitempty"`
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MemResponseBodyBytes int64 `json:"memResponseBodyBytes,omitempty" toml:"memResponseBodyBytes,omitempty" yaml:"memResponseBodyBytes,omitempty"`
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RetryExpression string `json:"retryExpression,omitempty" toml:"retryExpression,omitempty" yaml:"retryExpression,omitempty"`
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}
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// +k8s:deepcopy-gen=true
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// Chain holds a chain of middlewares
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type Chain struct {
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Middlewares []string `json:"middlewares,omitempty" toml:"middlewares,omitempty" yaml:"middlewares,omitempty"`
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}
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// +k8s:deepcopy-gen=true
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// CircuitBreaker holds the circuit breaker configuration.
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type CircuitBreaker struct {
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Expression string `json:"expression,omitempty" toml:"expression,omitempty" yaml:"expression,omitempty"`
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}
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// +k8s:deepcopy-gen=true
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// Compress holds the compress configuration.
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type Compress struct{}
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// +k8s:deepcopy-gen=true
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// DigestAuth holds the Digest HTTP authentication configuration.
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type DigestAuth struct {
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Users Users `json:"users,omitempty" toml:"users,omitempty" yaml:"users,omitempty"`
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UsersFile string `json:"usersFile,omitempty" toml:"usersFile,omitempty" yaml:"usersFile,omitempty"`
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RemoveHeader bool `json:"removeHeader,omitempty" toml:"removeHeader,omitempty" yaml:"removeHeader,omitempty"`
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Realm string `json:"realm,omitempty" toml:"realm,omitempty" yaml:"realm,omitempty"`
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HeaderField string `json:"headerField,omitempty" toml:"headerField,omitempty" yaml:"headerField,omitempty" export:"true"`
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}
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// +k8s:deepcopy-gen=true
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// ErrorPage holds the custom error page configuration.
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type ErrorPage struct {
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Status []string `json:"status,omitempty" toml:"status,omitempty" yaml:"status,omitempty"`
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Service string `json:"service,omitempty" toml:"service,omitempty" yaml:"service,omitempty"`
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Query string `json:"query,omitempty" toml:"query,omitempty" yaml:"query,omitempty"`
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}
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// +k8s:deepcopy-gen=true
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// ForwardAuth holds the http forward authentication configuration.
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type ForwardAuth struct {
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Address string `json:"address,omitempty" toml:"address,omitempty" yaml:"address,omitempty"`
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TLS *ClientTLS `json:"tls,omitempty" toml:"tls,omitempty" yaml:"tls,omitempty"`
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TrustForwardHeader bool `json:"trustForwardHeader,omitempty" toml:"trustForwardHeader,omitempty" yaml:"trustForwardHeader,omitempty" export:"true"`
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AuthResponseHeaders []string `json:"authResponseHeaders,omitempty" toml:"authResponseHeaders,omitempty" yaml:"authResponseHeaders,omitempty"`
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}
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// +k8s:deepcopy-gen=true
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// Headers holds the custom header configuration.
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type Headers struct {
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CustomRequestHeaders map[string]string `json:"customRequestHeaders,omitempty" toml:"customRequestHeaders,omitempty" yaml:"customRequestHeaders,omitempty"`
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CustomResponseHeaders map[string]string `json:"customResponseHeaders,omitempty" toml:"customResponseHeaders,omitempty" yaml:"customResponseHeaders,omitempty"`
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// AccessControlAllowCredentials is only valid if true. false is ignored.
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AccessControlAllowCredentials bool `json:"accessControlAllowCredentials,omitempty" toml:"accessControlAllowCredentials,omitempty" yaml:"accessControlAllowCredentials,omitempty"`
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// AccessControlAllowHeaders must be used in response to a preflight request with Access-Control-Request-Headers set.
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AccessControlAllowHeaders []string `json:"accessControlAllowHeaders,omitempty" toml:"accessControlAllowHeaders,omitempty" yaml:"accessControlAllowHeaders,omitempty"`
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// AccessControlAllowMethods must be used in response to a preflight request with Access-Control-Request-Method set.
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AccessControlAllowMethods []string `json:"accessControlAllowMethods,omitempty" toml:"accessControlAllowMethods,omitempty" yaml:"accessControlAllowMethods,omitempty"`
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// AccessControlAllowOrigin Can be "origin-list-or-null" or "*". From (https://www.w3.org/TR/cors/#access-control-allow-origin-response-header)
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AccessControlAllowOrigin string `json:"accessControlAllowOrigin,omitempty" toml:"accessControlAllowOrigin,omitempty" yaml:"accessControlAllowOrigin,omitempty"`
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// AccessControlExposeHeaders sets valid headers for the response.
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AccessControlExposeHeaders []string `json:"accessControlExposeHeaders,omitempty" toml:"accessControlExposeHeaders,omitempty" yaml:"accessControlExposeHeaders,omitempty"`
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// AccessControlMaxAge sets the time that a preflight request may be cached.
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AccessControlMaxAge int64 `json:"accessControlMaxAge,omitempty" toml:"accessControlMaxAge,omitempty" yaml:"accessControlMaxAge,omitempty"`
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// AddVaryHeader controls if the Vary header is automatically added/updated when the AccessControlAllowOrigin is set.
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AddVaryHeader bool `json:"addVaryHeader,omitempty" toml:"addVaryHeader,omitempty" yaml:"addVaryHeader,omitempty"`
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AllowedHosts []string `json:"allowedHosts,omitempty" toml:"allowedHosts,omitempty" yaml:"allowedHosts,omitempty"`
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HostsProxyHeaders []string `json:"hostsProxyHeaders,omitempty" toml:"hostsProxyHeaders,omitempty" yaml:"hostsProxyHeaders,omitempty"`
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SSLRedirect bool `json:"sslRedirect,omitempty" toml:"sslRedirect,omitempty" yaml:"sslRedirect,omitempty"`
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SSLTemporaryRedirect bool `json:"sslTemporaryRedirect,omitempty" toml:"sslTemporaryRedirect,omitempty" yaml:"sslTemporaryRedirect,omitempty"`
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SSLHost string `json:"sslHost,omitempty" toml:"sslHost,omitempty" yaml:"sslHost,omitempty"`
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SSLProxyHeaders map[string]string `json:"sslProxyHeaders,omitempty" toml:"sslProxyHeaders,omitempty" yaml:"sslProxyHeaders,omitempty"`
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SSLForceHost bool `json:"sslForceHost,omitempty" toml:"sslForceHost,omitempty" yaml:"sslForceHost,omitempty"`
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STSSeconds int64 `json:"stsSeconds,omitempty" toml:"stsSeconds,omitempty" yaml:"stsSeconds,omitempty"`
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STSIncludeSubdomains bool `json:"stsIncludeSubdomains,omitempty" toml:"stsIncludeSubdomains,omitempty" yaml:"stsIncludeSubdomains,omitempty"`
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STSPreload bool `json:"stsPreload,omitempty" toml:"stsPreload,omitempty" yaml:"stsPreload,omitempty"`
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ForceSTSHeader bool `json:"forceSTSHeader,omitempty" toml:"forceSTSHeader,omitempty" yaml:"forceSTSHeader,omitempty"`
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FrameDeny bool `json:"frameDeny,omitempty" toml:"frameDeny,omitempty" yaml:"frameDeny,omitempty"`
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CustomFrameOptionsValue string `json:"customFrameOptionsValue,omitempty" toml:"customFrameOptionsValue,omitempty" yaml:"customFrameOptionsValue,omitempty"`
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ContentTypeNosniff bool `json:"contentTypeNosniff,omitempty" toml:"contentTypeNosniff,omitempty" yaml:"contentTypeNosniff,omitempty"`
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BrowserXSSFilter bool `json:"browserXssFilter,omitempty" toml:"browserXssFilter,omitempty" yaml:"browserXssFilter,omitempty"`
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CustomBrowserXSSValue string `json:"customBrowserXSSValue,omitempty" toml:"customBrowserXSSValue,omitempty" yaml:"customBrowserXSSValue,omitempty"`
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ContentSecurityPolicy string `json:"contentSecurityPolicy,omitempty" toml:"contentSecurityPolicy,omitempty" yaml:"contentSecurityPolicy,omitempty"`
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PublicKey string `json:"publicKey,omitempty" toml:"publicKey,omitempty" yaml:"publicKey,omitempty"`
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ReferrerPolicy string `json:"referrerPolicy,omitempty" toml:"referrerPolicy,omitempty" yaml:"referrerPolicy,omitempty"`
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FeaturePolicy string `json:"featurePolicy,omitempty" toml:"featurePolicy,omitempty" yaml:"featurePolicy,omitempty"`
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IsDevelopment bool `json:"isDevelopment,omitempty" toml:"isDevelopment,omitempty" yaml:"isDevelopment,omitempty"`
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}
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// HasCustomHeadersDefined checks to see if any of the custom header elements have been set
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func (h *Headers) HasCustomHeadersDefined() bool {
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return h != nil && (len(h.CustomResponseHeaders) != 0 ||
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len(h.CustomRequestHeaders) != 0)
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}
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// HasCorsHeadersDefined checks to see if any of the cors header elements have been set
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func (h *Headers) HasCorsHeadersDefined() bool {
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return h != nil && (h.AccessControlAllowCredentials ||
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len(h.AccessControlAllowHeaders) != 0 ||
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len(h.AccessControlAllowMethods) != 0 ||
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h.AccessControlAllowOrigin != "" ||
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len(h.AccessControlExposeHeaders) != 0 ||
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h.AccessControlMaxAge != 0 ||
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h.AddVaryHeader)
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}
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// HasSecureHeadersDefined checks to see if any of the secure header elements have been set
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func (h *Headers) HasSecureHeadersDefined() bool {
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return h != nil && (len(h.AllowedHosts) != 0 ||
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len(h.HostsProxyHeaders) != 0 ||
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h.SSLRedirect ||
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h.SSLTemporaryRedirect ||
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h.SSLForceHost ||
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h.SSLHost != "" ||
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len(h.SSLProxyHeaders) != 0 ||
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h.STSSeconds != 0 ||
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h.STSIncludeSubdomains ||
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h.STSPreload ||
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h.ForceSTSHeader ||
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h.FrameDeny ||
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h.CustomFrameOptionsValue != "" ||
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h.ContentTypeNosniff ||
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h.BrowserXSSFilter ||
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h.CustomBrowserXSSValue != "" ||
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h.ContentSecurityPolicy != "" ||
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h.PublicKey != "" ||
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h.ReferrerPolicy != "" ||
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h.FeaturePolicy != "" ||
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h.IsDevelopment)
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}
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// +k8s:deepcopy-gen=true
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// IPStrategy holds the ip strategy configuration.
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type IPStrategy struct {
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Depth int `json:"depth,omitempty" toml:"depth,omitempty" yaml:"depth,omitempty" export:"true"`
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ExcludedIPs []string `json:"excludedIPs,omitempty" toml:"excludedIPs,omitempty" yaml:"excludedIPs,omitempty"`
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}
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// Get an IP selection strategy
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// if nil return the RemoteAddr strategy
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// else return a strategy base on the configuration using the X-Forwarded-For Header.
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// Depth override the ExcludedIPs
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func (s *IPStrategy) Get() (ip.Strategy, error) {
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if s == nil {
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return &ip.RemoteAddrStrategy{}, nil
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}
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if s.Depth > 0 {
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return &ip.DepthStrategy{
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Depth: s.Depth,
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}, nil
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}
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if len(s.ExcludedIPs) > 0 {
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checker, err := ip.NewChecker(s.ExcludedIPs)
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if err != nil {
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return nil, err
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}
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return &ip.CheckerStrategy{
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Checker: checker,
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}, nil
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}
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return &ip.RemoteAddrStrategy{}, nil
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}
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// +k8s:deepcopy-gen=true
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// IPWhiteList holds the ip white list configuration.
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type IPWhiteList struct {
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SourceRange []string `json:"sourceRange,omitempty" toml:"sourceRange,omitempty" yaml:"sourceRange,omitempty"`
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IPStrategy *IPStrategy `json:"ipStrategy,omitempty" toml:"ipStrategy,omitempty" yaml:"ipStrategy,omitempty" label:"allowEmpty"`
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}
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// +k8s:deepcopy-gen=true
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// MaxConn holds maximum connection configuration.
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type MaxConn struct {
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Amount int64 `json:"amount,omitempty" toml:"amount,omitempty" yaml:"amount,omitempty"`
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ExtractorFunc string `json:"extractorFunc,omitempty" toml:"extractorFunc,omitempty" yaml:"extractorFunc,omitempty"`
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}
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// SetDefaults Default values for a MaxConn.
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func (m *MaxConn) SetDefaults() {
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m.ExtractorFunc = "request.host"
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}
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// +k8s:deepcopy-gen=true
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// PassTLSClientCert holds the TLS client cert headers configuration.
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type PassTLSClientCert struct {
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PEM bool `json:"pem,omitempty" toml:"pem,omitempty" yaml:"pem,omitempty"`
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Info *TLSClientCertificateInfo `json:"info,omitempty" toml:"info,omitempty" yaml:"info,omitempty"`
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}
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// +k8s:deepcopy-gen=true
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// Rate holds the rate limiting configuration for a specific time period.
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type Rate struct {
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Period types.Duration `json:"period,omitempty" toml:"period,omitempty" yaml:"period,omitempty"`
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Average int64 `json:"average,omitempty" toml:"average,omitempty" yaml:"average,omitempty"`
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Burst int64 `json:"burst,omitempty" toml:"burst,omitempty" yaml:"burst,omitempty"`
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}
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// +k8s:deepcopy-gen=true
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// RateLimit holds the rate limiting configuration for a given frontend.
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type RateLimit struct {
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RateSet map[string]*Rate `json:"rateSet,omitempty" toml:"rateSet,omitempty" yaml:"rateSet,omitempty"`
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// FIXME replace by ipStrategy see oxy and replace
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ExtractorFunc string `json:"extractorFunc,omitempty" toml:"extractorFunc,omitempty" yaml:"extractorFunc,omitempty"`
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}
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// SetDefaults Default values for a MaxConn.
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func (r *RateLimit) SetDefaults() {
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r.ExtractorFunc = "request.host"
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}
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// +k8s:deepcopy-gen=true
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// RedirectRegex holds the redirection configuration.
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type RedirectRegex struct {
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Regex string `json:"regex,omitempty" toml:"regex,omitempty" yaml:"regex,omitempty"`
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Replacement string `json:"replacement,omitempty" toml:"replacement,omitempty" yaml:"replacement,omitempty"`
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Permanent bool `json:"permanent,omitempty" toml:"permanent,omitempty" yaml:"permanent,omitempty"`
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}
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// +k8s:deepcopy-gen=true
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// RedirectScheme holds the scheme redirection configuration.
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type RedirectScheme struct {
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Scheme string `json:"scheme,omitempty" toml:"scheme,omitempty" yaml:"scheme,omitempty"`
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Port string `json:"port,omitempty" toml:"port,omitempty" yaml:"port,omitempty"`
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Permanent bool `json:"permanent,omitempty" toml:"permanent,omitempty" yaml:"permanent,omitempty"`
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}
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// +k8s:deepcopy-gen=true
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// ReplacePath holds the ReplacePath configuration.
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type ReplacePath struct {
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Path string `json:"path,omitempty" toml:"path,omitempty" yaml:"path,omitempty"`
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}
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// +k8s:deepcopy-gen=true
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// ReplacePathRegex holds the ReplacePathRegex configuration.
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type ReplacePathRegex struct {
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Regex string `json:"regex,omitempty" toml:"regex,omitempty" yaml:"regex,omitempty"`
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Replacement string `json:"replacement,omitempty" toml:"replacement,omitempty" yaml:"replacement,omitempty"`
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}
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// +k8s:deepcopy-gen=true
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// Retry holds the retry configuration.
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type Retry struct {
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Attempts int `json:"attempts,omitempty" toml:"attempts,omitempty" yaml:"attempts,omitempty" export:"true"`
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}
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// +k8s:deepcopy-gen=true
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// StripPrefix holds the StripPrefix configuration.
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type StripPrefix struct {
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Prefixes []string `json:"prefixes,omitempty" toml:"prefixes,omitempty" yaml:"prefixes,omitempty"`
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}
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// +k8s:deepcopy-gen=true
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// StripPrefixRegex holds the StripPrefixRegex configuration.
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type StripPrefixRegex struct {
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Regex []string `json:"regex,omitempty" toml:"regex,omitempty" yaml:"regex,omitempty"`
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}
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// +k8s:deepcopy-gen=true
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// TLSClientCertificateInfo holds the client TLS certificate info configuration.
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type TLSClientCertificateInfo struct {
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NotAfter bool `json:"notAfter,omitempty" toml:"notAfter,omitempty" yaml:"notAfter,omitempty"`
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NotBefore bool `json:"notBefore,omitempty" toml:"notBefore,omitempty" yaml:"notBefore,omitempty"`
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Sans bool `json:"sans,omitempty" toml:"sans,omitempty" yaml:"sans,omitempty"`
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Subject *TLSCLientCertificateDNInfo `json:"subject,omitempty" toml:"subject,omitempty" yaml:"subject,omitempty"`
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Issuer *TLSCLientCertificateDNInfo `json:"issuer,omitempty" toml:"issuer,omitempty" yaml:"issuer,omitempty"`
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}
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// +k8s:deepcopy-gen=true
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// TLSCLientCertificateDNInfo holds the client TLS certificate distinguished name info configuration
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// cf https://tools.ietf.org/html/rfc3739
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type TLSCLientCertificateDNInfo struct {
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Country bool `json:"country,omitempty" toml:"country,omitempty" yaml:"country,omitempty"`
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Province bool `json:"province,omitempty" toml:"province,omitempty" yaml:"province,omitempty"`
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Locality bool `json:"locality,omitempty" toml:"locality,omitempty" yaml:"locality,omitempty"`
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Organization bool `json:"organization,omitempty" toml:"organization,omitempty" yaml:"organization,omitempty"`
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CommonName bool `json:"commonName,omitempty" toml:"commonName,omitempty" yaml:"commonName,omitempty"`
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SerialNumber bool `json:"serialNumber,omitempty" toml:"serialNumber,omitempty" yaml:"serialNumber,omitempty"`
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DomainComponent bool `json:"domainComponent,omitempty" toml:"domainComponent,omitempty" yaml:"domainComponent,omitempty"`
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}
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// +k8s:deepcopy-gen=true
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// Users holds a list of users
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type Users []string
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// +k8s:deepcopy-gen=true
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// ClientTLS holds the TLS specific configurations as client
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// CA, Cert and Key can be either path or file contents.
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type ClientTLS struct {
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CA string `json:"ca,omitempty" toml:"ca,omitempty" yaml:"ca,omitempty"`
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CAOptional bool `json:"caOptional,omitempty" toml:"caOptional,omitempty" yaml:"caOptional,omitempty"`
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Cert string `json:"cert,omitempty" toml:"cert,omitempty" yaml:"cert,omitempty"`
|
|
Key string `json:"key,omitempty" toml:"key,omitempty" yaml:"key,omitempty"`
|
|
InsecureSkipVerify bool `json:"insecureSkipVerify,omitempty" toml:"insecureSkipVerify,omitempty" yaml:"insecureSkipVerify,omitempty"`
|
|
}
|
|
|
|
// CreateTLSConfig creates a TLS config from ClientTLS structures.
|
|
func (clientTLS *ClientTLS) CreateTLSConfig() (*tls.Config, error) {
|
|
if clientTLS == nil {
|
|
return nil, nil
|
|
}
|
|
|
|
var err error
|
|
caPool := x509.NewCertPool()
|
|
clientAuth := tls.NoClientCert
|
|
if clientTLS.CA != "" {
|
|
var ca []byte
|
|
if _, errCA := os.Stat(clientTLS.CA); errCA == nil {
|
|
ca, err = ioutil.ReadFile(clientTLS.CA)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to read CA. %s", err)
|
|
}
|
|
} else {
|
|
ca = []byte(clientTLS.CA)
|
|
}
|
|
|
|
if !caPool.AppendCertsFromPEM(ca) {
|
|
return nil, fmt.Errorf("failed to parse CA")
|
|
}
|
|
|
|
if clientTLS.CAOptional {
|
|
clientAuth = tls.VerifyClientCertIfGiven
|
|
} else {
|
|
clientAuth = tls.RequireAndVerifyClientCert
|
|
}
|
|
}
|
|
|
|
cert := tls.Certificate{}
|
|
_, errKeyIsFile := os.Stat(clientTLS.Key)
|
|
|
|
if !clientTLS.InsecureSkipVerify && (len(clientTLS.Cert) == 0 || len(clientTLS.Key) == 0) {
|
|
return nil, fmt.Errorf("TLS Certificate or Key file must be set when TLS configuration is created")
|
|
}
|
|
|
|
if len(clientTLS.Cert) > 0 && len(clientTLS.Key) > 0 {
|
|
if _, errCertIsFile := os.Stat(clientTLS.Cert); errCertIsFile == nil {
|
|
if errKeyIsFile == nil {
|
|
cert, err = tls.LoadX509KeyPair(clientTLS.Cert, clientTLS.Key)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to load TLS keypair: %v", err)
|
|
}
|
|
} else {
|
|
return nil, fmt.Errorf("tls cert is a file, but tls key is not")
|
|
}
|
|
} else {
|
|
if errKeyIsFile != nil {
|
|
cert, err = tls.X509KeyPair([]byte(clientTLS.Cert), []byte(clientTLS.Key))
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to load TLS keypair: %v", err)
|
|
|
|
}
|
|
} else {
|
|
return nil, fmt.Errorf("TLS key is a file, but tls cert is not")
|
|
}
|
|
}
|
|
}
|
|
|
|
return &tls.Config{
|
|
Certificates: []tls.Certificate{cert},
|
|
RootCAs: caPool,
|
|
InsecureSkipVerify: clientTLS.InsecureSkipVerify,
|
|
ClientAuth: clientAuth,
|
|
}, nil
|
|
}
|