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https://github.com/minio/minio.git
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822eb5ddc7
This PR refactors object layer handling such that upon failure in sub-system initialization server reaches a stage of safe-mode operation wherein only certain API operations are enabled and available. This allows for fixing many scenarios such as - incorrect configuration in vault, etcd, notification targets - missing files, incomplete config migrations unable to read encrypted content etc - any other issues related to notification, policies, lifecycle etc
105 lines
3.4 KiB
Go
105 lines
3.4 KiB
Go
/*
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* MinIO Cloud Storage, (C) 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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"fmt"
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"net/http"
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assetfs "github.com/elazarl/go-bindata-assetfs"
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"github.com/gorilla/handlers"
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"github.com/gorilla/mux"
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jsonrpc "github.com/gorilla/rpc/v2"
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"github.com/gorilla/rpc/v2/json2"
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"github.com/minio/minio/browser"
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)
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// webAPI container for Web API.
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type webAPIHandlers struct {
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ObjectAPI func() ObjectLayer
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CacheAPI func() CacheObjectLayer
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}
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// indexHandler - Handler to serve index.html
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type indexHandler struct {
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handler http.Handler
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}
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func (h indexHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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r.URL.Path = minioReservedBucketPath + SlashSeparator
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h.handler.ServeHTTP(w, r)
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}
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const assetPrefix = "production"
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func assetFS() *assetfs.AssetFS {
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return &assetfs.AssetFS{
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Asset: browser.Asset,
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AssetDir: browser.AssetDir,
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AssetInfo: browser.AssetInfo,
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Prefix: assetPrefix,
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}
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}
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// specialAssets are files which are unique files not embedded inside index_bundle.js.
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const specialAssets = "index_bundle.*.js|loader.css|logo.svg|firefox.png|safari.png|chrome.png|favicon-16x16.png|favicon-32x32.png|favicon-96x96.png"
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// registerWebRouter - registers web router for serving minio browser.
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func registerWebRouter(router *mux.Router) error {
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// Initialize Web.
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web := &webAPIHandlers{
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ObjectAPI: newObjectLayerFn,
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CacheAPI: newCachedObjectLayerFn,
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}
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// Initialize a new json2 codec.
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codec := json2.NewCodec()
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// MinIO browser router.
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webBrowserRouter := router.PathPrefix(minioReservedBucketPath).HeadersRegexp("User-Agent", ".*Mozilla.*").Subrouter()
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// Initialize json rpc handlers.
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webRPC := jsonrpc.NewServer()
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webRPC.RegisterCodec(codec, "application/json")
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webRPC.RegisterCodec(codec, "application/json; charset=UTF-8")
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// Register RPC handlers with server
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if err := webRPC.RegisterService(web, "Web"); err != nil {
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return err
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}
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// RPC handler at URI - /minio/webrpc
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webBrowserRouter.Methods("POST").Path("/webrpc").Handler(webRPC)
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webBrowserRouter.Methods("PUT").Path("/upload/{bucket}/{object:.+}").HandlerFunc(httpTraceHdrs(web.Upload))
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// These methods use short-expiry tokens in the URLs. These tokens may unintentionally
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// be logged, so a new one must be generated for each request.
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webBrowserRouter.Methods("GET").Path("/download/{bucket}/{object:.+}").Queries("token", "{token:.*}").HandlerFunc(httpTraceHdrs(web.Download))
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webBrowserRouter.Methods("POST").Path("/zip").Queries("token", "{token:.*}").HandlerFunc(httpTraceHdrs(web.DownloadZip))
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// Create compressed assets handler
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compressAssets := handlers.CompressHandler(http.StripPrefix(minioReservedBucketPath, http.FileServer(assetFS())))
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// Serve javascript files and favicon from assets.
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webBrowserRouter.Path(fmt.Sprintf("/{assets:%s}", specialAssets)).Handler(compressAssets)
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// Serve index.html from assets for rest of the requests.
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webBrowserRouter.Path("/{index:.*}").Handler(indexHandler{compressAssets})
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return nil
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}
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