handlers

func AddRouterErrorHeader ¶

func AddRouterErrorHeader(rw http.ResponseWriter, val string)

func CreateDomainAllowlist ¶

func CreateDomainAllowlist(allowlist []string) (map[string]struct{}, error)

CreateDomainAllowlist collects the static parts of wildcard allowlist expressions and wildcards stripped of their first segment.

Each entry is checked to follow DNS wildcard notation, e.g. *.domain-123.com, subdomain.example.com

but not subdomain.*.example.com, *.*.example.com or invalid DNS names, e.g. ?!.example.com

This function is exported so it can be tested as part of the route service test

func EndpointIteratorForRequest ¶

func EndpointIteratorForRequest(request *http.Request, loadBalanceMethod string, stickySessionCookieNames config.StringSet) (route.EndpointIterator, error)

func GetEndpoint ¶

func GetEndpoint(ctx context.Context) (*route.Endpoint, error)

func IsWebSocketUpgrade ¶

func IsWebSocketUpgrade(request *http.Request) bool

func NewAccessLog ¶

func NewAccessLog(
	accessLogger accesslog.AccessLogger,
	extraHeadersToLog []string,
	logger logger.Logger,
) negroni.Handler

NewAccessLog creates a new handler that handles logging requests to the access log

func NewClientCert ¶

func NewClientCert(
	skipSanitization func(req *http.Request) bool,
	forceDeleteHeader func(req *http.Request) (bool, error),
	forwardingMode string,
	logger logger.Logger,
	ew errorwriter.ErrorWriter,
) negroni.Handler

func NewHTTPLatencyPrometheus ¶

func NewHTTPLatencyPrometheus(r Registry) negroni.Handler

NewHTTPLatencyPrometheus creates a new handler that handles prometheus metrics for latency

func NewHTTPRewriteHandler ¶

func NewHTTPRewriteHandler(cfg config.HTTPRewrite, headersToAlwaysRemove []string) negroni.Handler

func NewHTTPStartStop ¶

func NewHTTPStartStop(emitter dropsonde.EventEmitter, logger logger.Logger) negroni.Handler

NewHTTPStartStop creates a new handler that handles emitting frontent HTTP StartStop events

func NewHealthcheck ¶

func NewHealthcheck(health *health.Health, logger logger.Logger) http.Handler

func NewLookup ¶

func NewLookup(
	registry registry.Registry,
	rep metrics.ProxyReporter,
	logger logger.Logger,
	ew errorwriter.ErrorWriter,
	emptyPoolResponseCode503 bool,
) negroni.Handler

NewLookup creates a handler responsible for looking up a route.

func NewPanicCheck ¶

func NewPanicCheck(health *health.Health, logger logger.Logger) negroni.Handler

NewPanicCheck creates a handler responsible for checking for panics and setting the Healthcheck to fail.

func NewProtocolCheck ¶

func NewProtocolCheck(logger logger.Logger, errorWriter errorwriter.ErrorWriter, enableHTTP2 bool) negroni.Handler

NewProtocolCheck creates a handler responsible for checking the protocol of the request

func NewProxyHealthcheck ¶

func NewProxyHealthcheck(userAgent string, health *health.Health, logger logger.Logger) negroni.Handler

NewHealthcheck creates a handler that responds to healthcheck requests. If userAgent is set to a non-empty string, it will use that user agent to differentiate between healthcheck requests and non-healthcheck requests. Otherwise, it will treat all requests as healthcheck requests.

func NewProxyWriter ¶

func NewProxyWriter(logger logger.Logger) negroni.Handler

NewProxyWriter creates a handler responsible for setting a proxy responseWriter on the request and response

func NewQueryParam ¶

func NewQueryParam(logger logger.Logger) negroni.Handler

NewQueryParam creates a new handler that emits warnings if requests came in with semicolons un-escaped

func NewReporter ¶

func NewReporter(reporter metrics.ProxyReporter, logger logger.Logger) negroni.Handler

NewReporter creates a new handler that handles reporting backend responses to metrics

func NewRequestInfo ¶

func NewRequestInfo() negroni.Handler

NewRequestInfo creates a RequestInfoHandler

func NewRouteService ¶

func NewRouteService(
	config *routeservice.RouteServiceConfig,
	routeRegistry registry.Registry,
	logger logger.Logger,
	errorWriter errorwriter.ErrorWriter,
) negroni.Handler

NewRouteService creates a handler responsible for handling route services

func NewVcapRequestIdHeader ¶

func NewVcapRequestIdHeader(logger logger.Logger) negroni.Handler