118 lines
4.1 KiB
Go
118 lines
4.1 KiB
Go
// Copyright (c) 2015-2021 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package cmd
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import (
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"fmt"
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"io/fs"
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"net/http"
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"github.com/gorilla/handlers"
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"github.com/gorilla/mux"
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"github.com/minio/minio/browser"
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"github.com/minio/minio/cmd/logger"
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jsonrpc "github.com/minio/minio/pkg/rpc"
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"github.com/minio/minio/pkg/rpc/json2"
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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 = "release"
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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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webRPC.RegisterAfterFunc(func(ri *jsonrpc.RequestInfo) {
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if ri != nil {
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claims, _, _ := webRequestAuthenticate(ri.Request)
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bucketName, objectName := extractBucketObject(ri.Args)
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ri.Request = mux.SetURLVars(ri.Request, map[string]string{
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"bucket": bucketName,
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"object": objectName,
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})
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if globalTrace.NumSubscribers() > 0 {
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globalTrace.Publish(WebTrace(ri))
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}
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ctx := newContext(ri.Request, ri.ResponseWriter, ri.Method)
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logger.AuditLog(ctx, ri.ResponseWriter, ri.Request, claims.Map())
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}
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})
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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(http.MethodPost).Path("/webrpc").Handler(webRPC)
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webBrowserRouter.Methods(http.MethodPut).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(http.MethodGet).Path("/download/{bucket}/{object:.+}").Queries("token", "{token:.*}").HandlerFunc(httpTraceHdrs(web.Download))
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webBrowserRouter.Methods(http.MethodPost).Path("/zip").Queries("token", "{token:.*}").HandlerFunc(httpTraceHdrs(web.DownloadZip))
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// Create compressed assets handler
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assetFS, err := fs.Sub(browser.GetStaticAssets(), assetPrefix)
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if err != nil {
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panic(err)
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}
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compressAssets := handlers.CompressHandler(http.StripPrefix(minioReservedBucketPath, http.FileServer(http.FS(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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