web

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Published: Apr 18, 2024 License: MPL-2.0 Imports: 17 Imported by: 5

Documentation

Overview

This package collects types that are common to both wfe and wfe2.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func GetClientAddr

func GetClientAddr(r *http.Request) string

GetClientAddr returns a comma-separated list of HTTP clients involved in making this request, starting with the original requester and ending with the remote end of our TCP connection (which is typically our own proxy).

func KeyTypeToString

func KeyTypeToString(pub crypto.PublicKey) string

func LoadJWK

func LoadJWK(filename string) (*jose.JSONWebKey, error)

LoadJWK loads a JSON encoded JWK specified by filename or returns an error

func ProblemDetailsForError

func ProblemDetailsForError(err error, msg string) *probs.ProblemDetails

ProblemDetailsForError turns an error into a ProblemDetails with the special case of returning the same error back if its already a ProblemDetails. If the error is of an type unknown to ProblemDetailsForError, it will return a ServerInternal ProblemDetails.

func RelativeEndpoint

func RelativeEndpoint(request *http.Request, endpoint string) string

RelativeEndpoint takes a path component of URL and constructs a new URL using the host and port from the request combined the provided path.

func SendError

func SendError(
	log blog.Logger,
	response http.ResponseWriter,
	logEvent *RequestEvent,
	prob *probs.ProblemDetails,
	ierr error,
)

SendError does a few things that we want for each error response:

  • Adds both the external and the internal error to a RequestEvent.
  • If the ProblemDetails provided is a ServerInternalProblem, audit logs the internal error.
  • Prefixes the Type field of the ProblemDetails with the RFC8555 namespace.
  • Sends an HTTP response containing the error and an error code to the user.

The internal error (ierr) may be nil if no information beyond the ProblemDetails is needed for internal debugging.

Types

type RequestEvent

type RequestEvent struct {
	// These fields are not rendered in JSON; instead, they are rendered
	// whitespace-separated ahead of the JSON. This saves bytes in the logs since
	// we don't have to include field names, quotes, or commas -- all of these
	// fields are known to not include whitespace.
	Method    string  `json:"-"`
	Endpoint  string  `json:"-"`
	Requester int64   `json:"-"`
	Code      int     `json:"-"`
	Latency   float64 `json:"-"`
	RealIP    string  `json:"-"`

	Slug           string   `json:",omitempty"`
	InternalErrors []string `json:",omitempty"`
	Error          string   `json:",omitempty"`
	UserAgent      string   `json:"ua,omitempty"`
	// Origin is sent by the browser from XHR-based clients.
	Origin string                 `json:",omitempty"`
	Extra  map[string]interface{} `json:",omitempty"`

	// For endpoints that create objects, the ID of the newly created object.
	Created string `json:",omitempty"`

	// For challenge and authorization GETs and POSTs:
	// the status of the authorization at the time the request began.
	Status string `json:",omitempty"`
	// The DNS name, if there is a single relevant name, for instance
	// in an authorization or challenge request.
	DNSName string `json:",omitempty"`
	// The set of DNS names, if there are potentially multiple relevant
	// names, for instance in a new-order, finalize, or revoke request.
	DNSNames []string `json:",omitempty"`

	// For challenge POSTs, the challenge type.
	ChallengeType string `json:",omitempty"`
	// contains filtered or unexported fields
}

RequestEvent is a structured record of the metadata we care about for a single web request. It is generated when a request is received, passed to the request handler which can populate its fields as appropriate, and then logged when the request completes.

func (*RequestEvent) AddError

func (e *RequestEvent) AddError(msg string, args ...interface{})

AddError formats the given message with the given args and appends it to the list of internal errors that have occurred as part of handling this event. If the RequestEvent has been suppressed, this un-suppresses it.

func (*RequestEvent) Suppress

func (e *RequestEvent) Suppress()

Suppress causes the RequestEvent to not be logged at all when the request is complete. This is a no-op if an internal error has been added to the event (logging errors takes precedence over suppressing output).

type TopHandler

type TopHandler struct {
	// contains filtered or unexported fields
}

func NewTopHandler

func NewTopHandler(log blog.Logger, wfe wfeHandler) *TopHandler

func (*TopHandler) ServeHTTP

func (th *TopHandler) ServeHTTP(w http.ResponseWriter, r *http.Request)

type WFEHandlerFunc

type WFEHandlerFunc func(context.Context, *RequestEvent, http.ResponseWriter, *http.Request)

func (WFEHandlerFunc) ServeHTTP

func (f WFEHandlerFunc) ServeHTTP(e *RequestEvent, w http.ResponseWriter, r *http.Request)

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