middleware

package
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Published: Aug 27, 2024 License: MIT Imports: 22 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func Authentication

func Authentication(logger log.Logger, signKey string, userRepo api.VulcanitoStore) endpoint.Middleware

Authentication retrieves information about: 1 - The token used in the current request 2 - Information about the user associated with this token

And also 3 - Validates if the token is active for the current user

If the authentication succeeds, the email fied is added to the context.

func EndpointLogging

func EndpointLogging(logger log.Logger, name string, db api.VulcanitoStore) endpoint.Middleware

func NotWhitelisted

func NotWhitelisted(logger log.Logger) endpoint.Middleware

func ValidateUUIDs

func ValidateUUIDs(repo api.VulcanitoStore, globalEntities *global.Entities, logger log.Logger) endpoint.Middleware

ValidateUUIDs returns a middleware that inspects the request struct in search for ID parameters in the request path and validates their compliance with UUID format and/or some exceptions.

We are using the "reflect" package to inspect the request struct, looking for fields that have `urlvar` tags with suffix `_id`, for example:

  type UpdateTeamJSONRequest struct {
	     ID          string `urlvar:"team_id"`
	     Name        string `json:"name"`
	     Description string `json:"description"`
  }

There are some special cases to UUID validation.

  • global entities: Global entities are special values that can be specified by the client and are expanded into other values before the service layer processes the request (e.g.: periodic-full-scan).
  • team_id urlvar values can be set with the team name: This middleware will inspect for that option and replace the team name for its UUID in the original request path.
  • user_id urlvar values can be set with the user email: This middleware will inspect for that option and replace the user email for its UUID in the original request path.

Types

type AuthorizeMiddleware

type AuthorizeMiddleware interface {
	Authorize(next endpoint.Endpoint) endpoint.Endpoint
}

AuthorizeMiddleware implements the authorization over an endpoint.

func NewAuthorizationMiddleware

func NewAuthorizationMiddleware(auth Authorizer, logger log.Logger) AuthorizeMiddleware

NewAuthorizationMiddleware creates a new authorization middleware using the provided authorizer.

type Authorizer

type Authorizer interface {
	// AuthTenant receives the context and returns an object representing the
	// tenant the user is trying to access to.
	// If the user is not authorized the function must return a nil tenant.
	// If the user is allowed to do anything on that tenant, e.g. a super admin,
	// the function must return true in the second parameter.
	AuthTenant(ctx context.Context, request interface{}) (tenant interface{}, passThrough bool, err error)

	// AuthRol grants or denies access to a resource depending on the rol of the user.
	AuthRol(ctx context.Context, tenant interface{}) (bool, error)
}

Authorizer provides defines the funcs that the clients of the middleware must provide.

type MetricsMiddleware

type MetricsMiddleware interface {
	Measure(next kitendpoint.Endpoint) kitendpoint.Endpoint
}

MetricsMiddleware implements a metrics middleware over an endpoint.

func NewMetricsMiddleware

func NewMetricsMiddleware(metricsClient metrics.Client) MetricsMiddleware

NewMetricsMiddleware creates a new metrics middleware pushing the metrics through the given metrics client.

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