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131 lines
4.0 KiB
131 lines
4.0 KiB
/*
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* Minio Cloud Storage, (C) 2015, 2016 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cmd
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import (
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"net/http"
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"github.com/gorilla/mux"
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)
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func newObjectLayerFn() (layer ObjectLayer) {
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globalObjLayerMutex.RLock()
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layer = globalObjectAPI
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globalObjLayerMutex.RUnlock()
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return
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}
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func newCacheObjectsFn() CacheObjectLayer {
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return globalCacheObjectAPI
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}
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// Composed function registering routers for only distributed XL setup.
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func registerDistXLRouters(router *mux.Router, endpoints EndpointList) {
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// Register storage rpc router only if its a distributed setup.
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registerStorageRESTHandlers(router, endpoints)
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// Register distributed namespace lock.
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registerDistNSLockRouter(router)
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// Register S3 peer communication router.
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registerPeerRPCRouter(router)
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}
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// List of some generic handlers which are applied for all incoming requests.
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var globalHandlers = []HandlerFunc{
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// set x-amz-request-id, x-minio-deployment-id header.
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addCustomHeaders,
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// set HTTP security headers such as Content-Security-Policy.
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addSecurityHeaders,
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// Forward path style requests to actual host in a bucket federated setup.
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setBucketForwardingHandler,
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// Ratelimit the incoming requests using a token bucket algorithm
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setRateLimitHandler,
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// Validate all the incoming paths.
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setPathValidityHandler,
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// Network statistics
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setHTTPStatsHandler,
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// Limits all requests size to a maximum fixed limit
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setRequestSizeLimitHandler,
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// Limits all header sizes to a maximum fixed limit
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setRequestHeaderSizeLimitHandler,
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// Adds 'crossdomain.xml' policy handler to serve legacy flash clients.
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setCrossDomainPolicy,
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// Redirect some pre-defined browser request paths to a static location prefix.
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setBrowserRedirectHandler,
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// Validates if incoming request is for restricted buckets.
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setReservedBucketHandler,
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// Adds cache control for all browser requests.
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setBrowserCacheControlHandler,
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// Validates all incoming requests to have a valid date header.
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setTimeValidityHandler,
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// CORS setting for all browser API requests.
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setCorsHandler,
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// Validates all incoming URL resources, for invalid/unsupported
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// resources client receives a HTTP error.
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setIgnoreResourcesHandler,
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// Auth handler verifies incoming authorization headers and
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// routes them accordingly. Client receives a HTTP error for
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// invalid/unsupported signatures.
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setAuthHandler,
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// Enforce rules specific for TLS requests
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setSSETLSHandler,
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// filters HTTP headers which are treated as metadata and are reserved
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// for internal use only.
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filterReservedMetadata,
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// Add new handlers here.
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}
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// configureServer handler returns final handler for the http server.
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func configureServerHandler(endpoints EndpointList) (http.Handler, error) {
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// Initialize router. `SkipClean(true)` stops gorilla/mux from
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// normalizing URL path minio/minio#3256
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router := mux.NewRouter().SkipClean(true)
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// Initialize distributed NS lock.
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if globalIsDistXL {
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registerDistXLRouters(router, endpoints)
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}
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// Add STS router only enabled if etcd is configured.
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registerSTSRouter(router)
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// Add Admin RPC router
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registerAdminRPCRouter(router)
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// Add Admin router.
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registerAdminRouter(router)
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// Add healthcheck router
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registerHealthCheckRouter(router)
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// Add server metrics router
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registerMetricsRouter(router)
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// Register web router when its enabled.
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if globalIsBrowserEnabled {
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if err := registerWebRouter(router); err != nil {
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return nil, err
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}
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}
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// Add API router.
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registerAPIRouter(router)
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// Register rest of the handlers.
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return registerHandlers(router, globalHandlers...), nil
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}
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