]> Cypherpunks.ru repositories - gocheese.git/blobdiff - gocheese.go
Prohibit any other HTTP methods
[gocheese.git] / gocheese.go
index 26c2c27ba74673cda10e03eb6b44e31ee924920f..a11e03f04d0a398efd1c1d24f9437ea0142def0a 100644 (file)
@@ -66,8 +66,13 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.`
 )
 
 var (
+       pkgPyPI        = regexp.MustCompile(`^.*<a href="([^"]+)"[^>]*>(.+)</a><br/>.*$`)
+       Version string = "UNKNOWN"
+
        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")
@@ -78,16 +83,9 @@ var (
        version          = flag.Bool("version", false, "Print version information")
        warranty         = flag.Bool("warranty", false, "Print warranty information")
 
-       pkgPyPI        = regexp.MustCompile(`^.*<a href="([^"]+)"[^>]*>(.+)</a><br/>.*$`)
-       Version string = "UNKNOWN"
-
-       passwords map[string]Auther = make(map[string]Auther)
+       killed bool
 )
 
-type Auther interface {
-       Auth(password string) bool
-}
-
 func mkdirForPkg(w http.ResponseWriter, r *http.Request, dir string) bool {
        path := filepath.Join(*root, dir)
        if _, err := os.Stat(path); os.IsNotExist(err) {
@@ -102,17 +100,15 @@ func mkdirForPkg(w http.ResponseWriter, r *http.Request, dir string) bool {
 
 func refreshDir(w http.ResponseWriter, r *http.Request, dir, filenameGet string) bool {
        if _, err := os.Stat(filepath.Join(*root, dir, InternalFlag)); err == nil {
-               log.Println(r.RemoteAddr, "pypi refresh skip, internal package", dir)
                return true
        }
-       log.Println(r.RemoteAddr, "pypi refresh", dir)
        resp, err := http.Get(*pypiURL + dir + "/")
        if err != nil {
                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
@@ -143,6 +139,11 @@ func refreshDir(w http.ResponseWriter, r *http.Request, dir, filenameGet string)
                        return false
                }
                if filename == filenameGet {
+                       if killed {
+                               // Skip heavy remote call, when shutting down
+                               http.Error(w, "shutting down", http.StatusInternalServerError)
+                               return false
+                       }
                        log.Println(r.RemoteAddr, "pypi download", filename)
                        path = filepath.Join(*root, dir, filename)
                        resp, err = http.Get(uri)
@@ -152,7 +153,7 @@ 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
@@ -187,11 +188,10 @@ 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(0666)); err != nil {
@@ -203,27 +203,27 @@ func refreshDir(w http.ResponseWriter, r *http.Request, dir, filenameGet string)
 }
 
 func listRoot(w http.ResponseWriter, r *http.Request) {
-       log.Println(r.RemoteAddr, "root")
        files, err := ioutil.ReadDir(*root)
        if err != nil {
                http.Error(w, err.Error(), http.StatusInternalServerError)
                return
        }
-       w.Write([]byte(fmt.Sprintf(HTMLBegin, "root", "root")))
+       var result bytes.Buffer
+       result.WriteString(fmt.Sprintf(HTMLBegin, "root", "root"))
        for _, file := range files {
                if file.Mode().IsDir() {
-                       w.Write([]byte(fmt.Sprintf(
+                       result.WriteString(fmt.Sprintf(
                                HTMLElement,
                                *refreshURLPath+file.Name()+"/",
                                file.Name(),
-                       )))
+                       ))
                }
        }
-       w.Write([]byte(HTMLEnd))
+       result.WriteString(HTMLEnd)
+       w.Write(result.Bytes())
 }
 
 func listDir(w http.ResponseWriter, r *http.Request, dir string, autorefresh bool) {
-       log.Println(r.RemoteAddr, "dir", dir)
        dirPath := filepath.Join(*root, dir)
        if autorefresh {
                if !refreshDir(w, r, dir, "") {
@@ -237,33 +237,40 @@ func listDir(w http.ResponseWriter, r *http.Request, dir string, autorefresh boo
                http.Error(w, err.Error(), http.StatusInternalServerError)
                return
        }
-       w.Write([]byte(fmt.Sprintf(HTMLBegin, dir, dir)))
+       var result bytes.Buffer
+       result.WriteString(fmt.Sprintf(HTMLBegin, dir, dir))
        var data []byte
        var filenameClean string
        for _, file := range files {
                if !strings.HasSuffix(file.Name(), SHA256Ext) {
                        continue
                }
+               if killed {
+                       // Skip expensive I/O when shutting down
+                       http.Error(w, "shutting down", http.StatusInternalServerError)
+                       return
+               }
                data, err = ioutil.ReadFile(filepath.Join(dirPath, file.Name()))
                if err != nil {
                        http.Error(w, err.Error(), http.StatusInternalServerError)
                        return
                }
                filenameClean = strings.TrimSuffix(file.Name(), SHA256Ext)
-               w.Write([]byte(fmt.Sprintf(
+               result.WriteString(fmt.Sprintf(
                        HTMLElement,
                        strings.Join([]string{
                                *refreshURLPath, dir, "/",
-                               filenameClean, "#", SHA256Prefix, string(data),
+                               filenameClean, "#", SHA256Prefix, hex.EncodeToString(data),
                        }, ""),
                        filenameClean,
-               )))
+               ))
        }
-       w.Write([]byte(HTMLEnd))
+       result.WriteString(HTMLEnd)
+       w.Write(result.Bytes())
 }
 
 func servePkg(w http.ResponseWriter, r *http.Request, dir, filename string) {
-       log.Println(r.RemoteAddr, "pkg", filename)
+       log.Println(r.RemoteAddr, "get", filename)
        path := filepath.Join(*root, dir, filename)
        if _, err := os.Stat(path); os.IsNotExist(err) {
                if !refreshDir(w, r, dir, filename) {
@@ -293,7 +300,7 @@ func serveUpload(w http.ResponseWriter, r *http.Request) {
        }
        for _, file := range r.MultipartForm.File["content"] {
                filename := file.Filename
-               log.Println(r.RemoteAddr, "upload", filename, "by", username)
+               log.Println(r.RemoteAddr, "put", filename, "by", username)
                dir := filename[:strings.LastIndex(filename, "-")]
                dirPath := filepath.Join(*root, dir)
                path := filepath.Join(dirPath, filename)
@@ -320,7 +327,7 @@ 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
@@ -352,7 +359,8 @@ func serveUpload(w http.ResponseWriter, r *http.Request) {
 }
 
 func handler(w http.ResponseWriter, r *http.Request) {
-       if r.Method == "GET" {
+       switch r.Method {
+       case "GET":
                var path string
                var autorefresh bool
                if strings.HasPrefix(r.URL.Path, *norefreshURLPath) {
@@ -376,8 +384,10 @@ func handler(w http.ResponseWriter, r *http.Request) {
                } else {
                        servePkg(w, r, parts[0], parts[1])
                }
-       } else if r.Method == "POST" {
+       case "POST":
                serveUpload(w, r)
+       default:
+               http.Error(w, "unknown action", http.StatusBadRequest)
        }
 }
 
@@ -445,21 +455,27 @@ func main() {
                refreshPasswd()
                return
        }
+       if (*tlsCert != "" && *tlsKey == "") || (*tlsCert == "" && *tlsKey != "") {
+               log.Fatalln("Both -tls-cert and -tls-key are required")
+       }
        refreshPasswd()
        log.Println("root:", *root, "bind:", *bind)
-       needsRefreshPasswd := make(chan os.Signal, 0)
-       needsShutdown := make(chan os.Signal, 0)
-       killed := make(chan error, 0)
-       http.HandleFunc(*norefreshURLPath, handler)
-       http.HandleFunc(*refreshURLPath, handler)
+
        ln, err := net.Listen("tcp", *bind)
        if err != nil {
                log.Fatal(err)
        }
-       s := &http.Server{
+       ln = netutil.LimitListener(ln, *maxClients)
+       server := &http.Server{
                ReadTimeout:  time.Minute,
                WriteTimeout: time.Minute,
        }
+       http.HandleFunc(*norefreshURLPath, handler)
+       http.HandleFunc(*refreshURLPath, handler)
+
+       needsRefreshPasswd := make(chan os.Signal, 0)
+       needsShutdown := make(chan os.Signal, 0)
+       exitErr := make(chan error, 0)
        signal.Notify(needsRefreshPasswd, syscall.SIGHUP)
        signal.Notify(needsShutdown, syscall.SIGTERM, syscall.SIGINT)
        go func() {
@@ -470,15 +486,22 @@ func main() {
        }()
        go func(s *http.Server) {
                <-needsShutdown
+               killed = true
                log.Println("Shutting down")
                ctx, cancel := context.WithTimeout(context.TODO(), time.Minute)
-               killed <- s.Shutdown(ctx)
+               exitErr <- s.Shutdown(ctx)
                cancel()
-       }(s)
-       if err := s.Serve(netutil.LimitListener(ln, *maxClients)); err != http.ErrServerClosed {
+       }(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 {
+       if err := <-exitErr; err != nil {
                log.Fatal(err)
        }
 }