mid

Documentation

Overview

Package mid contains the set of middleware functions.

Index

• func Authenticate(a *auth.Auth) web.MidHandler
• func Cors(origins []string) web.MidHandler
• func Errors(log *logger.Logger) web.MidHandler
• func GetClaims(ctx context.Context) auth.Claims
• func GetSubject(ctx context.Context) common.Address
• func Logger(log *logger.Logger) web.MidHandler
• func Metrics() web.MidHandler
• func Panics() web.MidHandler

Functions

func Authenticate

func Authenticate(a *auth.Auth) web.MidHandler

Authenticate validates a JWT from the `Authorization` header.

func Cors

func Cors(origins []string) web.MidHandler

Cors sets the response headers needed for Cross-Origin Resource Sharing

func Errors

func Errors(log *logger.Logger) web.MidHandler

Errors handles errors coming out of the call chain. It detects normal application errors which are used to respond to the client in a uniform way. Unexpected errors (status >= 500) are logged.

func GetClaims

func GetClaims(ctx context.Context) auth.Claims

GetClaims provides access to the claims from the context.

func GetSubject

func GetSubject(ctx context.Context) common.Address

GetSubject provides access to the subject from the claims.

func Logger

func Logger(log *logger.Logger) web.MidHandler

Logger writes some information about the request to the logs in the format: TraceID : (200) GET /foo -> IP ADDR (latency)

func Metrics

func Metrics() web.MidHandler

Metrics updates program counters.

func Panics

func Panics() web.MidHandler

Panics recovers from panics and converts the panic to an error so it is reported in Metrics and handled in Errors.