X-Git-Url: http://www.git.cypherpunks.ru/?a=blobdiff_plain;f=gocheese.go;h=5c6e80a2fc172d81d676e77f1199c3d3cb90dcc0;hb=443748e27be6e25fb36b1d32d4aee1a3da1b5539;hp=7e5f79ec0e86fd0ad599035050aa8cf2cdb993a5;hpb=9e662204b6bd8cafdd2bbfe7534573d828eaef2b;p=gocheese.git diff --git a/gocheese.go b/gocheese.go index 7e5f79e..5c6e80a 100644 --- a/gocheese.go +++ b/gocheese.go @@ -1,11 +1,11 @@ /* GoCheese -- Python private package repository and caching proxy Copyright (C) 2019 Sergey Matveev + 2019 Elena Balakhonova This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by -the Free Software Foundation, either version 3 of the License, or -(at your option) any later version. +the Free Software Foundation, version 3 of the License. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of @@ -21,6 +21,7 @@ package main import ( "bytes" + "context" "crypto/sha256" "encoding/hex" "flag" @@ -28,13 +29,19 @@ import ( "io" "io/ioutil" "log" + "net" "net/http" "net/url" "os" + "os/signal" "path/filepath" "regexp" "runtime" "strings" + "syscall" + "time" + + "golang.org/x/net/netutil" ) const ( @@ -47,8 +54,7 @@ const ( Warranty = `This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by -the Free Software Foundation, either version 3 of the License, or -(at your option) any later version. +the Free Software Foundation, version 3 of the License. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of @@ -60,26 +66,28 @@ along with this program. If not, see .` ) var ( - root = flag.String("root", "./packages", "Path to packages directory") - bind = flag.String("bind", "[::]:8080", "Address to bind to") - simpleURLPath = flag.String("simple", "/simple/", "/simple/ URL path") - refreshURLPath = flag.String("refresh", "/refresh/", "Auto-refreshing URL path") - pypiURL = flag.String("pypi", "https://pypi.org/simple/", "Upstream PyPI URL") - auth = flag.String("auth", "spam:foo", "login:password,...") - fsck = flag.Bool("fsck", false, "Check integrity of all packages") - version = flag.Bool("version", false, "Print version information") - warranty = flag.Bool("warranty", false, "Print warranty information") - pkgPyPI = regexp.MustCompile(`^.*]*>(.+)
.*$`) Version string = "UNKNOWN" - passwords map[string]string = make(map[string]string) + root = flag.String("root", "./packages", "Path to packages directory") + bind = flag.String("bind", "[::]:8080", "Address to bind to") + tlsCert = flag.String("tls-cert", "", "Path to TLS X.509 certificate") + tlsKey = flag.String("tls-key", "", "Path to TLS X.509 private key") + norefreshURLPath = flag.String("norefresh", "/norefresh/", "Non-refreshing URL path") + refreshURLPath = flag.String("refresh", "/simple/", "Auto-refreshing URL path") + pypiURL = flag.String("pypi", "https://pypi.org/simple/", "Upstream PyPI URL") + passwdPath = flag.String("passwd", "passwd", "Path to file with authenticators") + passwdCheck = flag.Bool("passwd-check", false, "Test the -passwd file for syntax errors and exit") + fsck = flag.Bool("fsck", false, "Check integrity of all packages") + maxClients = flag.Int("maxclients", 128, "Maximal amount of simultaneous clients") + version = flag.Bool("version", false, "Print version information") + warranty = flag.Bool("warranty", false, "Print warranty information") ) func mkdirForPkg(w http.ResponseWriter, r *http.Request, dir string) bool { path := filepath.Join(*root, dir) if _, err := os.Stat(path); os.IsNotExist(err) { - if err = os.Mkdir(path, 0700); err != nil { + if err = os.Mkdir(path, os.FileMode(0777)); err != nil { http.Error(w, err.Error(), http.StatusInternalServerError) return false } @@ -99,8 +107,8 @@ func refreshDir(w http.ResponseWriter, r *http.Request, dir, filenameGet string) http.Error(w, err.Error(), http.StatusBadGateway) return false } - defer resp.Body.Close() body, err := ioutil.ReadAll(resp.Body) + resp.Body.Close() if err != nil { http.Error(w, err.Error(), http.StatusBadGateway) return false @@ -140,7 +148,7 @@ func refreshDir(w http.ResponseWriter, r *http.Request, dir, filenameGet string) } defer resp.Body.Close() hasher := sha256.New() - dst, err := ioutil.TempFile(filepath.Join(*root, dir), "") + dst, err := TempFile(filepath.Join(*root, dir)) if err != nil { http.Error(w, err.Error(), http.StatusInternalServerError) return false @@ -175,14 +183,13 @@ func refreshDir(w http.ResponseWriter, r *http.Request, dir, filenameGet string) _, err = os.Stat(path) if err == nil { continue - } else { - if !os.IsNotExist(err) { - http.Error(w, err.Error(), http.StatusInternalServerError) - return false - } + } + if !os.IsNotExist(err) { + http.Error(w, err.Error(), http.StatusInternalServerError) + return false } log.Println(r.RemoteAddr, "pypi touch", filename) - if err = ioutil.WriteFile(path, digest, os.FileMode(0600)); err != nil { + if err = ioutil.WriteFile(path, digest, os.FileMode(0666)); err != nil { http.Error(w, err.Error(), http.StatusInternalServerError) return false } @@ -202,7 +209,7 @@ func listRoot(w http.ResponseWriter, r *http.Request) { if file.Mode().IsDir() { w.Write([]byte(fmt.Sprintf( HTMLElement, - *simpleURLPath+file.Name()+"/", + *refreshURLPath+file.Name()+"/", file.Name(), ))) } @@ -241,8 +248,8 @@ func listDir(w http.ResponseWriter, r *http.Request, dir string, autorefresh boo w.Write([]byte(fmt.Sprintf( HTMLElement, strings.Join([]string{ - *simpleURLPath, dir, "/", - filenameClean, "#", SHA256Prefix, string(data), + *refreshURLPath, dir, "/", + filenameClean, "#", SHA256Prefix, hex.EncodeToString(data), }, ""), filenameClean, ))) @@ -263,7 +270,13 @@ func servePkg(w http.ResponseWriter, r *http.Request, dir, filename string) { func serveUpload(w http.ResponseWriter, r *http.Request) { username, password, ok := r.BasicAuth() - if !ok || passwords[username] != password { + if !ok { + log.Println(r.RemoteAddr, "unauthenticated", username) + http.Error(w, "unauthenticated", http.StatusUnauthorized) + return + } + auther, ok := passwords[username] + if !ok || !auther.Auth(password) { log.Println(r.RemoteAddr, "unauthenticated", username) http.Error(w, "unauthenticated", http.StatusUnauthorized) return @@ -302,7 +315,7 @@ func serveUpload(w http.ResponseWriter, r *http.Request) { http.Error(w, err.Error(), http.StatusInternalServerError) return } - dst, err = ioutil.TempFile(dirPath, "") + dst, err = TempFile(dirPath) if err != nil { http.Error(w, err.Error(), http.StatusInternalServerError) return @@ -326,11 +339,7 @@ func serveUpload(w http.ResponseWriter, r *http.Request) { http.Error(w, err.Error(), http.StatusInternalServerError) return } - if err = ioutil.WriteFile( - path+SHA256Ext, - hasher.Sum(nil), - os.FileMode(0600), - ); err != nil { + if err = ioutil.WriteFile(path+SHA256Ext, hasher.Sum(nil), os.FileMode(0666)); err != nil { http.Error(w, err.Error(), http.StatusInternalServerError) return } @@ -341,8 +350,8 @@ func handler(w http.ResponseWriter, r *http.Request) { if r.Method == "GET" { var path string var autorefresh bool - if strings.HasPrefix(r.URL.Path, *simpleURLPath) { - path = strings.TrimPrefix(r.URL.Path, *simpleURLPath) + if strings.HasPrefix(r.URL.Path, *norefreshURLPath) { + path = strings.TrimPrefix(r.URL.Path, *norefreshURLPath) autorefresh = false } else { path = strings.TrimPrefix(r.URL.Path, *refreshURLPath) @@ -427,15 +436,56 @@ func main() { } return } - for _, credentials := range strings.Split(*auth, ",") { - splitted := strings.Split(credentials, ":") - if len(splitted) != 2 { - log.Fatal("Wrong auth format") - } - passwords[splitted[0]] = splitted[1] + if *passwdCheck { + refreshPasswd() + return } + if (*tlsCert != "" && *tlsKey == "") || (*tlsCert == "" && *tlsKey != "") { + log.Fatalln("Both -tls-cert and -tls-key are required") + } + refreshPasswd() log.Println("root:", *root, "bind:", *bind) - http.HandleFunc(*simpleURLPath, handler) + + ln, err := net.Listen("tcp", *bind) + if err != nil { + log.Fatal(err) + } + ln = netutil.LimitListener(ln, *maxClients) + server := &http.Server{ + ReadTimeout: time.Minute, + WriteTimeout: time.Minute, + } + http.HandleFunc(*norefreshURLPath, handler) http.HandleFunc(*refreshURLPath, handler) - log.Fatal(http.ListenAndServe(*bind, nil)) + + needsRefreshPasswd := make(chan os.Signal, 0) + needsShutdown := make(chan os.Signal, 0) + killed := make(chan error, 0) + signal.Notify(needsRefreshPasswd, syscall.SIGHUP) + signal.Notify(needsShutdown, syscall.SIGTERM, syscall.SIGINT) + go func() { + for range needsRefreshPasswd { + log.Println("Refreshing passwords") + refreshPasswd() + } + }() + go func(s *http.Server) { + <-needsShutdown + log.Println("Shutting down") + ctx, cancel := context.WithTimeout(context.TODO(), time.Minute) + killed <- s.Shutdown(ctx) + cancel() + }(server) + + if *tlsCert == "" { + err = server.Serve(ln) + } else { + err = server.ServeTLS(ln, *tlsCert, *tlsKey) + } + if err != http.ErrServerClosed { + log.Fatal(err) + } + if err := <-killed; err != nil { + log.Fatal(err) + } }