minio/cmd/routers.go

108 lines
3.6 KiB
Go

// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package cmd
import (
"net/http"
"github.com/minio/minio/internal/grid"
"github.com/minio/mux"
)
// Composed function registering routers for only distributed Erasure setup.
func registerDistErasureRouters(router *mux.Router, endpointServerPools EndpointServerPools) {
// Register storage REST router only if its a distributed setup.
registerStorageRESTHandlers(router, endpointServerPools, globalGrid.Load())
// Register peer REST router only if its a distributed setup.
registerPeerRESTHandlers(router, globalGrid.Load())
// Register bootstrap REST router for distributed setups.
registerBootstrapRESTHandlers(globalGrid.Load())
// Register distributed namespace lock routers.
registerLockRESTHandlers()
// Add grid to router
router.Handle(grid.RoutePath, adminMiddleware(globalGrid.Load().Handler(), noGZFlag, noObjLayerFlag))
}
// List of some generic middlewares which are applied for all incoming requests.
var globalMiddlewares = []mux.MiddlewareFunc{
// set x-amz-request-id header and others
addCustomHeadersMiddleware,
// The generic tracer needs to be the first middleware to catch all requests
// returned early by any other middleware (but after the middleware that
// sets the amz request id).
httpTracerMiddleware,
// Auth middleware verifies incoming authorization headers and routes them
// accordingly. Client receives a HTTP error for invalid/unsupported
// signatures.
//
// Validates all incoming requests to have a valid date header.
setAuthMiddleware,
// Redirect some pre-defined browser request paths to a static location
// prefix.
setBrowserRedirectMiddleware,
// Adds 'crossdomain.xml' policy middleware to serve legacy flash clients.
setCrossDomainPolicyMiddleware,
// Limits all body and header sizes to a maximum fixed limit
setRequestLimitMiddleware,
// Validate all the incoming requests.
setRequestValidityMiddleware,
// Add upload forwarding middleware for site replication
setUploadForwardingMiddleware,
// Add bucket forwarding middleware
setBucketForwardingMiddleware,
// Add new middlewares here.
}
// configureServer handler returns final handler for the http server.
func configureServerHandler(endpointServerPools EndpointServerPools) (http.Handler, error) {
// Initialize router. `SkipClean(true)` stops minio/mux from
// normalizing URL path minio/minio#3256
router := mux.NewRouter().SkipClean(true).UseEncodedPath()
// Initialize distributed NS lock.
if globalIsDistErasure {
registerDistErasureRouters(router, endpointServerPools)
}
// Add Admin router, all APIs are enabled in server mode.
registerAdminRouter(router, true)
// Add healthCheck router
registerHealthCheckRouter(router)
// Add server metrics router
registerMetricsRouter(router)
// Add STS router always.
registerSTSRouter(router)
// Add KMS router
registerKMSRouter(router)
// Add API router
registerAPIRouter(router)
router.Use(globalMiddlewares...)
return router, nil
}