Merge pull request '0.0.3' (#2) from 0.0.3 into main

Reviewed-on: #2

.gitignore

@@ -1,4 +1,7 @@
 /cli
 /server
+/web
 /env/
 /build/
+*.exe
+/config.json

build.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 
 MAKE_PACKAGE=false
-VERSION=0.0.2
+VERSION=0.0.3
 
 usage() {
  echo "Usage: $0 [OPTIONS]"
@@ -55,6 +55,28 @@ for platform in "${platforms[@]}"; do
     fi
 done
 
+# WEB
+
+platforms=("linux/amd64" "linux/arm64" "linux/riscv64" "linux/ppc64le")
+
+for platform in "${platforms[@]}"; do
+    echo "* Compiling web server for $platform..."
+    platform_split=(${platform//\// })
+
+    EXT=""
+    if [ "${platform_split[0]}" == "windows" ]; then
+      EXT=.exe
+    fi
+
+    if [ "$MAKE_PACKAGE" == "true" ]; then
+        CGO_ENABLED=0 GOOS=${platform_split[0]} GOARCH=${platform_split[1]} go build -o build/cloudsave_web$EXT -a ./cmd/web
+        tar -czf build/server_${platform_split[0]}_${platform_split[1]}.tar.gz build/cloudsave_web$EXT
+        rm build/cloudsave_web$EXT
+    else
+      CGO_ENABLED=0 GOOS=${platform_split[0]} GOARCH=${platform_split[1]} go build -o build/cloudsave_web_${platform_split[0]}_${platform_split[1]}$EXT -a ./cmd/web
+    fi
+done
+
 ## CLIENT
 
 platforms=("windows/amd64" "windows/arm64" "darwin/amd64" "darwin/arm64" "linux/amd64" "linux/arm64")

cmd/cli/commands/add/add.go

@@ -1,32 +1,39 @@
 package add
 
 import (
+	"cloudsave/pkg/remote"
 	"cloudsave/pkg/repository"
 	"context"
 	"flag"
 	"fmt"
 	"os"
 	"path/filepath"
+	"strings"
 
 	"github.com/google/subcommands"
 )
 
 type (
 	AddCmd struct {
-		name string
+		name   string
+		remote string
 	}
 )
 
 func (*AddCmd) Name() string     { return "add" }
-func (*AddCmd) Synopsis() string { return "Add a folder to the sync list" }
+func (*AddCmd) Synopsis() string { return "add a folder to the sync list" }
 func (*AddCmd) Usage() string {
-	return `add:
+	return `Usage: cloudsave add [-name] [-remote] <PATH>
-  Add a folder to the sync list
+
+Add a folder to the track list
+	
+Options:
 `
 }
 
 func (p *AddCmd) SetFlags(f *flag.FlagSet) {
 	f.StringVar(&p.name, "name", "", "Override the name of the game")
+	f.StringVar(&p.remote, "remote", "", "Defines a remote server to sync with")
 }
 
 func (p *AddCmd) Execute(_ context.Context, f *flag.FlagSet, _ ...interface{}) subcommands.ExitStatus {
@@ -50,6 +57,10 @@ func (p *AddCmd) Execute(_ context.Context, f *flag.FlagSet, _ ...interface{}) s
 		return subcommands.ExitFailure
 	}
 
+	if len(strings.TrimSpace(p.remote)) > 0 {
+		remote.Set(m.ID, p.remote)
+	}
+
 	fmt.Println(m.ID)
 
 	return subcommands.ExitSuccess

cmd/cli/commands/apply/apply.go

@@ -20,8 +20,9 @@ type (
 func (*ListCmd) Name() string     { return "apply" }
 func (*ListCmd) Synopsis() string { return "apply a backup" }
 func (*ListCmd) Usage() string {
-	return `apply:
+	return `Usage: cloudsave apply <GAME_ID> <BACKUP_ID>
-  Apply a backup
+
+Apply a backup
 `
 }
 

cmd/cli/commands/list/list.go

@@ -22,8 +22,11 @@ type (
 func (*ListCmd) Name() string     { return "list" }
 func (*ListCmd) Synopsis() string { return "list all game registered" }
 func (*ListCmd) Usage() string {
-	return `list:
+	return `Usage: cloudsave list [-include-backup] [-a]
-  List all game registered
+
+List all game registered
+
+Options:
 `
 }
 

cmd/cli/commands/pull/pull.go

@@ -1,10 +1,10 @@
 package pull
 
 import (
+	"cloudsave/cmd/cli/tools/prompt/credentials"
 	"cloudsave/pkg/remote/client"
 	"cloudsave/pkg/repository"
 	"cloudsave/pkg/tools/archive"
-	"cloudsave/cmd/cli/tools/prompt/credentials"
 	"context"
 	"flag"
 	"fmt"
@@ -22,8 +22,9 @@ type (
 func (*PullCmd) Name() string     { return "pull" }
 func (*PullCmd) Synopsis() string { return "pull a game save from the remote" }
 func (*PullCmd) Usage() string {
-	return `list:
+	return `Usage: cloudsave pull <GAME_ID>
-  Pull a game save from the remote
+
+Pull a game save from the remote
 `
 }
 

cmd/cli/commands/remote/remote.go

@@ -20,10 +20,17 @@ type (
 )
 
 func (*RemoteCmd) Name() string     { return "remote" }
-func (*RemoteCmd) Synopsis() string { return "manage remote" }
+func (*RemoteCmd) Synopsis() string { return "add or update the remote url" }
 func (*RemoteCmd) Usage() string {
-	return `remote:
+	return `Usage: cloudsave remote <-set|-list>
-  manage remove
+
+The -list argument lists all remotes for each registered game.
+This command performs a connection test.
+
+The -set argument allow you to set (create or update) 
+the URL to the remote for a game
+
+Options
 `
 }
 

cmd/cli/commands/remove/remove.go

@@ -17,8 +17,10 @@ type (
 func (*RemoveCmd) Name() string     { return "remove" }
 func (*RemoveCmd) Synopsis() string { return "unregister a game" }
 func (*RemoveCmd) Usage() string {
-	return `remove:
+	return `Usage: cloudsave remove <GAME_ID>
-  Unregister a game
+
+Unregister a game
+Caution: all the backup are deleted
 `
 }
 

cmd/cli/commands/run/run.go

@@ -20,11 +20,14 @@ type (
 	}
 )
 
-func (*RunCmd) Name() string     { return "run" }
+func (*RunCmd) Name() string     { return "scan" }
-func (*RunCmd) Synopsis() string { return "Check and process all the folder" }
+func (*RunCmd) Synopsis() string { return "check and process all the folder" }
 func (*RunCmd) Usage() string {
-	return `run:
+	return `Usage: cloudsave scan
-  Check and process all the folder
+
+Check if the files have been modified. If so,
+the current archive is moved to the backup list
+and a new archive is created with a new version number. 
 `
 }
 

cmd/cli/commands/sync/sync.go

@@ -27,8 +27,9 @@ type (
 func (*SyncCmd) Name() string     { return "sync" }
 func (*SyncCmd) Synopsis() string { return "list all game registered" }
 func (*SyncCmd) Usage() string {
-	return `add:
+	return `Usage: cloudsave sync
-  List all game registered
+
+Synchronize the archives with the server defined for each game.
 `
 }
 
@@ -47,6 +48,7 @@ func (p *SyncCmd) Execute(_ context.Context, f *flag.FlagSet, _ ...interface{})
 		r, err := remote.One(g.ID)
 		if err != nil {
 			if errors.Is(err, remote.ErrNoRemote) {
+				fmt.Println(g.Name + ": no remote configured")
 				continue
 			}
 			fmt.Fprintln(os.Stderr, "error: failed to load datastore:", err)
@@ -85,6 +87,7 @@ func (p *SyncCmd) Execute(_ context.Context, f *flag.FlagSet, _ ...interface{})
 				destroyPg()
 				slog.Warn("failed to push backup files", "err", err)
 			}
+			fmt.Println(g.Name + ": pushed")
 			continue
 		}
 
@@ -136,7 +139,7 @@ func (p *SyncCmd) Execute(_ context.Context, f *flag.FlagSet, _ ...interface{})
 					continue
 				}
 			}
-			fmt.Println("already up-to-date")
+			fmt.Println(g.Name + ": already up-to-date")
 			continue
 		}
 
@@ -148,6 +151,7 @@ func (p *SyncCmd) Execute(_ context.Context, f *flag.FlagSet, _ ...interface{})
 				return subcommands.ExitFailure
 			}
 			destroyPg()
+			fmt.Println(g.Name + ": pushed")
 			continue
 		}
 
@@ -168,6 +172,7 @@ func (p *SyncCmd) Execute(_ context.Context, f *flag.FlagSet, _ ...interface{})
 				fmt.Fprintln(os.Stderr, "error: failed to synchronize date:", err)
 				continue
 			}
+			fmt.Println(g.Name + ": pulled")
 			continue
 		}
 

cmd/cli/commands/version/version.go

@@ -1,9 +1,9 @@
 package version
 
 import (
+	"cloudsave/cmd/cli/tools/prompt/credentials"
 	"cloudsave/pkg/constants"
 	"cloudsave/pkg/remote/client"
-	"cloudsave/cmd/cli/tools/prompt/credentials"
 	"context"
 	"flag"
 	"fmt"
@@ -23,8 +23,11 @@ type (
 func (*VersionCmd) Name() string     { return "version" }
 func (*VersionCmd) Synopsis() string { return "show version and system information" }
 func (*VersionCmd) Usage() string {
-	return `add:
+	return `Usage: cloudsave version [-a]
-  Show version and system information
+
+Print the version of the software
+
+Options:
 `
 }
 

cmd/server/data/data.go

@@ -9,12 +9,50 @@ import (
 	"io"
 	"os"
 	"path/filepath"
+	"sync"
+)
+
+type (
+	cache map[string]cachedInfo
+
+	cachedInfo struct {
+		MD5     string
+		Version int
+	}
 )
 
 var (
 	ErrBackupNotExists error = errors.New("backup not found")
+
+	// singleton
+	hashCacheMu sync.RWMutex
+	hashCache   cache = make(map[string]cachedInfo)
 )
 
+func (c cache) Get(gameID string) (cachedInfo, bool) {
+	hashCacheMu.RLock()
+	defer hashCacheMu.RUnlock()
+
+	if v, ok := c[gameID]; ok {
+		return v, true
+	}
+	return cachedInfo{}, false
+}
+
+func (c cache) Register(gameID string, v cachedInfo) {
+	hashCacheMu.Lock()
+	defer hashCacheMu.Unlock()
+
+	c[gameID] = v
+}
+
+func (c cache) Remove(gameID string) {
+	hashCacheMu.Lock()
+	defer hashCacheMu.Unlock()
+
+	delete(c, gameID)
+}
+
 func Write(gameID, documentRoot string, r io.Reader) error {
 	dataFolderPath := filepath.Join(documentRoot, "data", gameID)
 	partPath := filepath.Join(dataFolderPath, "data.tar.gz.part")
@@ -42,6 +80,7 @@ func Write(gameID, documentRoot string, r io.Reader) error {
 		return err
 	}
 
+	hashCache.Remove(gameID)
 	return nil
 }
 
@@ -97,6 +136,7 @@ func UpdateMetadata(gameID, documentRoot string, m repository.Metadata) error {
 
 func ArchiveInfo(gameID, documentRoot, uuid string) (repository.Backup, error) {
 	dataFolderPath := filepath.Join(documentRoot, "data", gameID, "hist", uuid, "data.tar.gz")
+	cacheID := gameID + ":" + uuid
 
 	finfo, err := os.Stat(dataFolderPath)
 	if err != nil {
@@ -106,11 +146,23 @@ func ArchiveInfo(gameID, documentRoot, uuid string) (repository.Backup, error) {
 		return repository.Backup{}, err
 	}
 
+	if m, ok := hashCache.Get(cacheID); ok {
+		return repository.Backup{
+			CreatedAt: finfo.ModTime(),
+			UUID:      uuid,
+			MD5:       m.MD5,
+		}, nil
+	}
+
 	h, err := hash.FileMD5(dataFolderPath)
 	if err != nil {
 		return repository.Backup{}, fmt.Errorf("failed to calculate file md5: %w", err)
 	}
 
+	hashCache.Register(cacheID, cachedInfo{
+		MD5: h,
+	})
+
 	return repository.Backup{
 		CreatedAt: finfo.ModTime(),
 		UUID:      uuid,
@@ -118,6 +170,62 @@ func ArchiveInfo(gameID, documentRoot, uuid string) (repository.Backup, error) {
 	}, nil
 }
 
+func Hash(gameID, documentRoot string) (string, error) {
+	path := filepath.Clean(filepath.Join(documentRoot, "data", gameID))
+
+	sdir, err := os.Stat(path)
+	if err != nil {
+		return "", err
+	}
+
+	if !sdir.IsDir() {
+		return "", err
+	}
+
+	v, err := getVersion(gameID, documentRoot)
+	if err != nil {
+		return "", fmt.Errorf("failed to read game metadata: %w", err)
+	}
+
+	if m, ok := hashCache.Get(gameID); ok {
+		if v == m.Version {
+			return m.MD5, nil
+		}
+	}
+
+	path = filepath.Join(path, "data.tar.gz")
+
+	h, err := hash.FileMD5(path)
+	if err != nil {
+		return "", err
+	}
+
+	hashCache.Register(gameID, cachedInfo{
+		Version: v,
+		MD5:     h,
+	})
+
+	return h, nil
+}
+
+func getVersion(gameID, documentRoot string) (int, error) {
+	path := filepath.Join(documentRoot, "data", gameID, "metadata.json")
+
+	f, err := os.OpenFile(path, os.O_RDONLY, 0)
+	if err != nil {
+		return 0, err
+	}
+	defer f.Close()
+
+	d := json.NewDecoder(f)
+	var m repository.Metadata
+	if err := d.Decode(&m); err != nil {
+		return 0, err
+	}
+
+	return m.Version, nil
+}
+
 func makeDataFolder(gameID, documentRoot string) error {
 	if err := os.MkdirAll(filepath.Join(documentRoot, "data", gameID), 0740); err != nil {
 		return err

cmd/web/config.template.json

@@ -0,0 +1,8 @@
+{
+    "server": {
+        "port": 8181
+    },
+    "remote": {
+        "url": "http://localhost:8080"
+    }
+}

cmd/web/server/config/config.go

@@ -0,0 +1,40 @@
+package config
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+)
+
+type (
+	Configuration struct {
+		Server ServerConfiguration `json:"server"`
+		Remote RemoteConfiguration `json:"remote"`
+	}
+
+	ServerConfiguration struct {
+		Port int `json:"port"`
+	}
+
+	RemoteConfiguration struct {
+		URL string `json:"url"`
+	}
+)
+
+func Load(path string) (Configuration, error) {
+	f, err := os.OpenFile(path, os.O_RDONLY, 0)
+	if err != nil {
+		return Configuration{}, fmt.Errorf("failed to open configuration file: %w", err)
+	}
+	defer f.Close()
+
+	d := json.NewDecoder(f)
+
+	var c Configuration
+	err = d.Decode(&c)
+	if err != nil {
+		return Configuration{}, fmt.Errorf("failed to parse configuration file (%s): %w", path, err)
+	}
+
+	return c, nil
+}

cmd/web/server/middlewares.go

@@ -0,0 +1,63 @@
+package server
+
+import (
+	"fmt"
+	"log"
+	"net/http"
+
+	"golang.org/x/crypto/bcrypt"
+)
+
+func recoverMiddleware(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		defer func() {
+			err := recover()
+			if err != nil {
+				internalServerError(w, r)
+			}
+		}()
+		next.ServeHTTP(w, r)
+	})
+}
+
+// BasicAuth implements a simple middleware handler for adding basic http auth to a route.
+func BasicAuth(realm string, creds map[string]string) func(next http.Handler) http.Handler {
+	return func(next http.Handler) http.Handler {
+		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+			user, pass, ok := r.BasicAuth()
+			if !ok {
+				basicAuthFailed(w, r, realm)
+				return
+			}
+
+			credPass := creds[user]
+			if err := bcrypt.CompareHashAndPassword([]byte(credPass), []byte(pass)); err != nil {
+				basicAuthFailed(w, r, realm)
+				return
+			}
+
+			next.ServeHTTP(w, r)
+		})
+	}
+}
+
+func basicAuthFailed(w http.ResponseWriter, r *http.Request, realm string) {
+	unauthorized(realm, w, r)
+}
+
+func unauthorized(realm string, w http.ResponseWriter, r *http.Request) {
+	w.Header().Add("WWW-Authenticate", fmt.Sprintf(`Basic realm="%s"`, realm))
+	w.WriteHeader(http.StatusUnauthorized)
+	_, err := w.Write([]byte(UnauthorizedErrorHTMLPage))
+	if err != nil {
+		log.Println(err)
+	}
+}
+
+func internalServerError(w http.ResponseWriter, r *http.Request) {
+	w.WriteHeader(http.StatusInternalServerError)
+	_, err := w.Write([]byte(InternalServerErrorHTMLPage))
+	if err != nil {
+		log.Println(err)
+	}
+}

cmd/web/server/server.go

@@ -0,0 +1,248 @@
+package server
+
+import (
+	"cloudsave/cmd/web/server/config"
+	"cloudsave/pkg/constants"
+	"cloudsave/pkg/remote/client"
+	"cloudsave/pkg/repository"
+	"errors"
+	"fmt"
+	"html/template"
+	"log/slog"
+	"net/http"
+	"runtime"
+	"slices"
+
+	"github.com/go-chi/chi/v5"
+	"github.com/go-chi/chi/v5/middleware"
+
+	_ "embed"
+)
+
+type (
+	HTTPServer struct {
+		Server    *http.Server
+		Config    config.Configuration
+		Templates Templates
+	}
+
+	Templates struct {
+		Dashboard *template.Template
+		Detailled *template.Template
+		System    *template.Template
+	}
+)
+
+type (
+	DetaillePayload struct {
+		Version        string
+		Save           repository.Metadata
+		BackupMetadata []repository.Backup
+		Hash           string
+	}
+
+	DashboardPayload struct {
+		Version string
+		Saves   []repository.Metadata
+	}
+
+	SystemPayload struct {
+		Version string
+		Client  client.Information
+		Server  client.Information
+	}
+)
+
+var (
+	//go:embed templates/500.html
+	InternalServerErrorHTMLPage string
+
+	//go:embed templates/401.html
+	UnauthorizedErrorHTMLPage string
+
+	//go:embed templates/dashboard.html
+	DashboardHTMLPage string
+
+	//go:embed templates/detailled.html
+	DetailledHTMLPage string
+
+	//go:embed templates/information.html
+	SystemHTMLPage string
+)
+
+// NewServer start the http server
+func NewServer(c config.Configuration) *HTTPServer {
+	dashboardTemplate := template.New("dashboard")
+	dashboardTemplate.Parse(DashboardHTMLPage)
+
+	detailledTemplate := template.New("detailled")
+	detailledTemplate.Parse(DetailledHTMLPage)
+
+	systemTemplate := template.New("system")
+	systemTemplate.Parse(SystemHTMLPage)
+
+	s := &HTTPServer{
+		Config: c,
+		Templates: Templates{
+			Dashboard: dashboardTemplate,
+			Detailled: detailledTemplate,
+			System:    systemTemplate,
+		},
+	}
+	router := chi.NewRouter()
+	router.Use(middleware.Logger)
+	router.Use(recoverMiddleware)
+	router.Route("/web", func(routerAPI chi.Router) {
+		routerAPI.Get("/", s.dashboard)
+		routerAPI.Get("/{id}", s.detailled)
+		routerAPI.Get("/system", s.system)
+	})
+	s.Server = &http.Server{
+		Addr:    fmt.Sprintf(":%d", c.Server.Port),
+		Handler: router,
+	}
+	return s
+}
+
+func (s *HTTPServer) dashboard(w http.ResponseWriter, r *http.Request) {
+	user, pass, ok := r.BasicAuth()
+	if !ok {
+		basicAuthFailed(w, r, "realm")
+		return
+	}
+
+	cli := client.New(s.Config.Remote.URL, user, pass)
+
+	if err := cli.Ping(); err != nil {
+		slog.Error("unable to connect to the remote", "err", err)
+		return
+	}
+
+	saves, err := cli.All()
+	if err != nil {
+		if errors.Is(err, client.ErrUnauthorized) {
+			unauthorized("Unable to access resources", w, r)
+			return
+		}
+		slog.Error("unable to connect to the remote", "err", err)
+		return
+	}
+
+	slices.SortFunc(saves, func(a, b repository.Metadata) int {
+		return a.Date.Compare(b.Date)
+	})
+
+	slices.Reverse(saves)
+
+	payload := DashboardPayload{
+		Version: constants.Version,
+		Saves:   saves,
+	}
+
+	if err := s.Templates.Dashboard.Execute(w, payload); err != nil {
+		slog.Error("failed to render the html pages", "err", err)
+		return
+	}
+}
+
+func (s *HTTPServer) detailled(w http.ResponseWriter, r *http.Request) {
+	user, pass, ok := r.BasicAuth()
+	if !ok {
+		basicAuthFailed(w, r, "realm")
+		return
+	}
+
+	id := chi.URLParam(r, "id")
+	cli := client.New(s.Config.Remote.URL, user, pass)
+
+	if err := cli.Ping(); err != nil {
+		slog.Error("unable to connect to the remote", "err", err)
+		return
+	}
+
+	save, err := cli.Metadata(id)
+	if err != nil {
+		if errors.Is(err, client.ErrUnauthorized) {
+			unauthorized("Unable to access resources", w, r)
+			return
+		}
+		slog.Error("unable to connect to the remote", "err", err)
+		return
+	}
+
+	h, err := cli.Hash(id)
+	if err != nil {
+		slog.Error("unable to connect to the remote", "err", err)
+		return
+	}
+
+	ids, err := cli.ListArchives(id)
+	if err != nil {
+		slog.Error("unable to connect to the remote", "err", err)
+		return
+	}
+
+	var bm []repository.Backup
+	for _, i := range ids {
+		b, err := cli.ArchiveInfo(id, i)
+		if err != nil {
+			slog.Error("unable to connect to the remote", "err", err)
+			return
+		}
+		bm = append(bm, b)
+	}
+
+	payload := DetaillePayload{
+		Save:           save,
+		Hash:           h,
+		BackupMetadata: bm,
+		Version:        constants.Version,
+	}
+
+	if err := s.Templates.Detailled.Execute(w, payload); err != nil {
+		slog.Error("failed to render the html pages", "err", err)
+		return
+	}
+}
+
+func (s *HTTPServer) system(w http.ResponseWriter, r *http.Request) {
+	user, pass, ok := r.BasicAuth()
+	if !ok {
+		basicAuthFailed(w, r, "realm")
+		return
+	}
+	cli := client.New(s.Config.Remote.URL, user, pass)
+
+	if err := cli.Ping(); err != nil {
+		slog.Error("unable to connect to the remote", "err", err)
+		return
+	}
+
+	clientInfo := client.Information{
+		Version:        constants.Version,
+		APIVersion:     constants.ApiVersion,
+		GoVersion:      runtime.Version(),
+		OSName:         runtime.GOOS,
+		OSArchitecture: runtime.GOARCH,
+	}
+	serverInfo, err := cli.Version()
+	if err != nil {
+		if errors.Is(err, client.ErrUnauthorized) {
+			unauthorized("Unable to access resources", w, r)
+			return
+		}
+		slog.Error("unable to connect to the remote", "err", err)
+		return
+	}
+
+	payload := SystemPayload{
+		Version: constants.Version,
+		Client:  clientInfo,
+		Server:  serverInfo,
+	}
+
+	if err := s.Templates.System.Execute(w, payload); err != nil {
+		slog.Error("failed to render the html pages", "err", err)
+		return
+	}
+}

cmd/web/server/templates/401.html

@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <title>You are not allowed</title>
+    </head>
+    <body>
+        <h1>401 Unauthorized</h1>
+    </body>
+</html>

cmd/web/server/templates/500.html

@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <title>An error occured</title>
+    </head>
+    <body>
+        <h1>500 Internal Server Error</h1>
+    </body>
+</html>

cmd/web/server/templates/dashboard.html

@@ -0,0 +1,38 @@
+<!DOCTYPE html>
+<html>
+
+<head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <title>Dashboard</title>
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.7/dist/css/bootstrap.min.css" rel="stylesheet"
+        integrity="sha384-LN+7fdVzj6u52u30Kp6M/trliBMCMKTyK833zpbD+pXdCLuTusPj697FH4R/5mcr" crossorigin="anonymous">
+</head>
+
+<body>
+    <nav class="navbar bg-body-tertiary">
+        <div class="container-fluid">
+            <span class="navbar-brand mb-0 h1">CloudSave</span>
+            <a class="muted" href="/web/system">v{{.Version}}</a>
+        </div>
+    </nav>
+    <div class="container" style="margin-top: 1rem;">
+        <div class="list-group">
+            {{range .Saves}}
+            <a href="/web/{{.ID}}" class="list-group-item list-group-item-action">
+                <div class="d-flex w-100 justify-content-between">
+                    <h5 class="mb-1">{{.Name}}</h5>
+                    <small>{{.Date}}</small>
+                </div>
+                <p class="mb-1">Version: {{.Version}}</p>
+                <small>{{.ID}}</small>
+            </a>
+            {{end}}
+        </div>
+    </div>
+</body>
+<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.7/dist/js/bootstrap.bundle.min.js"
+    integrity="sha384-ndDqU0Gzau9qJ1lfW4pNLlhNTkCfHzAVBReH9diLvGRem5+R9g2FzA8ZGN954O5Q"
+    crossorigin="anonymous"></script>
+
+</html>

cmd/web/server/templates/detailled.html

@@ -0,0 +1,54 @@
+<!DOCTYPE html>
+<html>
+
+<head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <title>{{.Save.Name}}</title>
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.7/dist/css/bootstrap.min.css" rel="stylesheet"
+        integrity="sha384-LN+7fdVzj6u52u30Kp6M/trliBMCMKTyK833zpbD+pXdCLuTusPj697FH4R/5mcr" crossorigin="anonymous">
+</head>
+
+<body>
+    <nav class="navbar bg-body-tertiary">
+        <div class="container-fluid">
+            <span class="navbar-brand mb-0 h1">CloudSave</span>
+            <a class="muted" href="/web/system">v{{.Version}}</a>
+        </div>
+    </nav>
+    <div class="container" style="margin-top: 1rem;">
+        <nav aria-label="breadcrumb">
+            <ol class="breadcrumb">
+                <li class="breadcrumb-item"><a href="/web">Home</a></li>
+                <li class="breadcrumb-item active" aria-current="page">{{.Save.ID}}</li>
+            </ol>
+        </nav>
+        <div class="list-group">
+            <h1>{{.Save.Name}} <span class="badge text-bg-success">Version {{.Save.Version}}</span></h1>
+            <hr />
+            <h3>Details</h3>
+            <ul class="list-group list-group-flush">
+                <li class="list-group-item">UUID: {{.Save.ID}}</li>
+                <li class="list-group-item">Last Upload: {{.Save.Date}}</li>
+                <li class="list-group-item">Hash (MD5): {{.Hash}}</li>
+            </ul>
+
+            <hr />
+            <h3>Backup</h3>
+            {{ range .BackupMetadata}}
+            <div class="card" style="margin-top: 1rem;">
+                <div class="card-body">
+                    <h5 class="card-title">{{.CreatedAt}}</h5>
+                    <h6 class="card-subtitle mb-2 text-body-secondary">{{.UUID}}</h6>
+                    <p class="card-text">MD5: {{.MD5}}</p>
+                </div>
+            </div>
+            {{end}}
+        </div>
+    </div>
+</body>
+<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.7/dist/js/bootstrap.bundle.min.js"
+    integrity="sha384-ndDqU0Gzau9qJ1lfW4pNLlhNTkCfHzAVBReH9diLvGRem5+R9g2FzA8ZGN954O5Q"
+    crossorigin="anonymous"></script>
+
+</html>

cmd/web/server/templates/information.html

@@ -0,0 +1,52 @@
+<!DOCTYPE html>
+<html>
+
+<head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <title>System Information</title>
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.7/dist/css/bootstrap.min.css" rel="stylesheet"
+        integrity="sha384-LN+7fdVzj6u52u30Kp6M/trliBMCMKTyK833zpbD+pXdCLuTusPj697FH4R/5mcr" crossorigin="anonymous">
+</head>
+
+<body>
+    <nav class="navbar bg-body-tertiary">
+        <div class="container-fluid">
+            <span class="navbar-brand mb-0 h1">CloudSave</span>
+            <span class="muted">v{{.Version}}</span>
+        </div>
+    </nav>
+    <div class="container" style="margin-top: 1rem;">
+        <nav aria-label="breadcrumb">
+            <ol class="breadcrumb">
+                <li class="breadcrumb-item"><a href="/web">Home</a></li>
+                <li class="breadcrumb-item active" aria-current="page">System</li>
+            </ol>
+        </nav>
+        <div class="list-group">
+            <h3>Client</h3>
+            <hr />
+            <ul class="list-group list-group-flush">
+                <li class="list-group-item">Version: {{.Client.Version}}</li>
+                <li class="list-group-item">API Version: {{.Client.APIVersion}}</li>
+                <li class="list-group-item">Go Version: {{.Client.GoVersion}}</li>
+                <li class="list-group-item">OS: {{.Client.OSName}}/{{.Client.OSArchitecture}}</li>
+            </ul>
+
+            <hr />
+            <h3>Server</h3>
+            <hr />
+            <ul class="list-group list-group-flush">
+                <li class="list-group-item">Version: {{.Server.Version}}</li>
+                <li class="list-group-item">API Version: {{.Server.APIVersion}}</li>
+                <li class="list-group-item">Go Version: {{.Server.GoVersion}}</li>
+                <li class="list-group-item">OS: {{.Server.OSName}}/{{.Server.OSArchitecture}}</li>
+            </ul>
+        </div>
+    </div>
+</body>
+<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.7/dist/js/bootstrap.bundle.min.js"
+    integrity="sha384-ndDqU0Gzau9qJ1lfW4pNLlhNTkCfHzAVBReH9diLvGRem5+R9g2FzA8ZGN954O5Q"
+    crossorigin="anonymous"></script>
+
+</html>

cmd/web/web.go

@@ -0,0 +1,34 @@
+package main
+
+import (
+	"cloudsave/cmd/web/server"
+	"cloudsave/cmd/web/server/config"
+	"cloudsave/pkg/constants"
+	"flag"
+	"fmt"
+	"os"
+	"runtime"
+	"strconv"
+)
+
+func main() {
+	fmt.Printf("CloudSave web -- v%s.%s.%s\n\n", constants.Version, runtime.GOOS, runtime.GOARCH)
+
+	var configPath string
+	flag.StringVar(&configPath, "config", "/var/lib/cloudsave/config.json", "Define the path to the configuration file")
+	flag.Parse()
+
+	c, err := config.Load(configPath)
+	if err != nil {
+		fmt.Fprintln(os.Stderr, "failed to load configuration:", err)
+		os.Exit(1)
+	}
+
+	s := server.NewServer(c)
+
+	fmt.Println("starting server at :" + strconv.Itoa(c.Server.Port))
+	if err := s.Server.ListenAndServe(); err != nil {
+		fmt.Fprintln(os.Stderr, "failed to start web server:", err)
+		os.Exit(1)
+	}
+}

pkg/constants/constants.go

@@ -1,5 +1,5 @@
 package constants
 
-const Version = "0.0.2"
+const Version = "0.0.3"
 
 const ApiVersion = 1

pkg/remote/client/client.go

@@ -36,7 +36,8 @@ type (
 )
 
 var (
-	ErrNotFound error = errors.New("not found")
+	ErrNotFound     error = errors.New("not found")
+	ErrUnauthorized error = errors.New("unauthorized (HTTP Error 401)")
 )
 
 func New(baseURL, username, password string) *Client {
@@ -382,6 +383,10 @@ func (c *Client) get(url string) (obj.HTTPObject, error) {
 		return obj.HTTPObject{}, ErrNotFound
 	}
 
+	if res.StatusCode == 401 {
+		return obj.HTTPObject{}, ErrUnauthorized
+	}
+
 	if res.StatusCode != 200 {
 		return obj.HTTPObject{}, fmt.Errorf("server returns an unexpected status code: %d %s (expected 200)", res.StatusCode, res.Status)
 	}