thelilfrog/cloudsave
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starting 0.0.2 dev

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This commit is contained in:
Aurélie DELHAIE
2025-07-30 00:49:22 +02:00
parent c099d3e64f
commit c6edb91f29
16 changed files with 287 additions and 114 deletions
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90
cmd/server/api/api.go
View File

@@ -2,7 +2,7 @@ package api
import (
"cloudsave/cmd/server/data"
"cloudsave/pkg/game"
"cloudsave/pkg/repository"
"crypto/md5"
"encoding/hex"
"encoding/json"
@@ -61,6 +61,7 @@ func NewServer(documentRoot string, creds map[string]string, port int) *HTTPServ
// Data routes
gamesRouter.Group(func(saveRouter chi.Router) {
saveRouter.Post("/{id}/data", s.upload)
saveRouter.Post("/{id}/hist/data", s.histUpload)
saveRouter.Get("/{id}/data", s.download)
saveRouter.Get("/{id}/hash", s.hash)
saveRouter.Get("/{id}/metadata", s.metadata)
@@ -78,7 +79,7 @@ func NewServer(documentRoot string, creds map[string]string, port int) *HTTPServ
func (s HTTPServer) all(w http.ResponseWriter, r *http.Request) {
path := filepath.Join(s.documentRoot, "data")
datastore := make([]game.Metadata, 0)
datastore := make([]repository.Metadata, 0)
if _, err := os.Stat(path); err != nil {
if errors.Is(err, os.ErrNotExist) {
@@ -104,7 +105,7 @@ func (s HTTPServer) all(w http.ResponseWriter, r *http.Request) {
continue
}
var m game.Metadata
var m repository.Metadata
err = json.Unmarshal(content, &m)
if err != nil {
fmt.Fprintf(os.Stderr, "corrupted datastore: failed to parse %s/metadata.json: %s", d.Name(), err)
@@ -209,6 +210,49 @@ func (s HTTPServer) upload(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusCreated)
}
func (s HTTPServer) histUpload(w http.ResponseWriter, r *http.Request) {
const (
sizeLimit int64 = 500 << 20 // 500 MB
)
id := chi.URLParam(r, "id")
dt, err := formParseDate("date", r.MultipartForm.Value)
if err != nil {
fmt.Fprintln(os.Stderr, "error: failed to load payload:", err)
badRequest("bad payload", w, r)
return
}
// Limit max upload size
r.Body = http.MaxBytesReader(w, r.Body, sizeLimit)
// Parse multipart form
err = r.ParseMultipartForm(sizeLimit)
if err != nil {
fmt.Fprintln(os.Stderr, "error: failed to load payload:", err)
badRequest("bad payload", w, r)
return
}
// Retrieve file
file, _, err := r.FormFile("payload")
if err != nil {
fmt.Fprintln(os.Stderr, "error: cannot find payload in the form:", err)
badRequest("payload not found", w, r)
return
}
defer file.Close()
if err := data.WriteHist(id, s.documentRoot, dt, file); err != nil {
fmt.Fprintln(os.Stderr, "error: failed to write file to disk:", err)
internalServerError(w, r)
return
}
// Respond success
w.WriteHeader(http.StatusCreated)
}
func (s HTTPServer) hash(w http.ResponseWriter, r *http.Request) {
id := chi.URLParam(r, "id")
path := filepath.Clean(filepath.Join(s.documentRoot, "data", id))
@@ -272,7 +316,7 @@ func (s HTTPServer) metadata(w http.ResponseWriter, r *http.Request) {
}
defer f.Close()
var metadata game.Metadata
var metadata repository.Metadata
d := json.NewDecoder(f)
err = d.Decode(&metadata)
if err != nil {
@@ -284,49 +328,67 @@ func (s HTTPServer) metadata(w http.ResponseWriter, r *http.Request) {
ok(metadata, w, r)
}
func parseFormMetadata(gameID string, values map[string][]string) (game.Metadata, error) {
func parseFormMetadata(gameID string, values map[string][]string) (repository.Metadata, error) {
var name string
if v, ok := values["name"]; ok {
if len(v) == 0 {
return game.Metadata{}, fmt.Errorf("error: corrupted metadata")
return repository.Metadata{}, fmt.Errorf("error: corrupted metadata")
}
name = v[0]
} else {
return game.Metadata{}, fmt.Errorf("error: cannot find metadata in the form")
return repository.Metadata{}, fmt.Errorf("error: cannot find metadata in the form")
}
var version int
if v, ok := values["version"]; ok {
if len(v) == 0 {
return game.Metadata{}, fmt.Errorf("error: corrupted metadata")
return repository.Metadata{}, fmt.Errorf("error: corrupted metadata")
}
if v, err := strconv.Atoi(v[0]); err == nil {
version = v
} else {
return game.Metadata{}, err
return repository.Metadata{}, err
}
} else {
return game.Metadata{}, fmt.Errorf("error: cannot find metadata in the form")
return repository.Metadata{}, fmt.Errorf("error: cannot find metadata in the form")
}
var date time.Time
if v, ok := values["date"]; ok {
if len(v) == 0 {
return game.Metadata{}, fmt.Errorf("error: corrupted metadata")
return repository.Metadata{}, fmt.Errorf("error: corrupted metadata")
}
if v, err := time.Parse(time.RFC3339, v[0]); err == nil {
date = v
} else {
return game.Metadata{}, err
return repository.Metadata{}, err
}
} else {
return game.Metadata{}, fmt.Errorf("error: cannot find metadata in the form")
return repository.Metadata{}, fmt.Errorf("error: cannot find metadata in the form")
}
return game.Metadata{
return repository.Metadata{
ID: gameID,
Version: version,
Name: name,
Date: date,
}, nil
}
func formParseDate(key string, values map[string][]string) (time.Time, error) {
var date time.Time
if v, ok := values[key]; ok {
if len(v) == 0 {
return time.Time{}, fmt.Errorf("error: corrupted metadata")
}
if v, err := time.Parse(time.RFC3339, v[0]); err == nil {
date = v
} else {
return time.Time{}, err
}
} else {
return time.Time{}, fmt.Errorf("error: cannot find metadata in the form")
}
return date, nil
}

45
cmd/server/data/data.go
View File

@@ -1,12 +1,13 @@
package data
import (
"cloudsave/pkg/game"
"cloudsave/pkg/repository"
"encoding/json"
"fmt"
"io"
"os"
"path/filepath"
"time"
)
func Write(gameID, documentRoot string, r io.Reader) error {
@@ -39,7 +40,37 @@ func Write(gameID, documentRoot string, r io.Reader) error {
return nil
}
func UpdateMetadata(gameID, documentRoot string, m game.Metadata) error {
func WriteHist(gameID, documentRoot string, dt time.Time, r io.Reader) error {
dataFolderPath := filepath.Join(documentRoot, "data", gameID, "hist")
partPath := filepath.Join(dataFolderPath, dt.Format("2006-01-02T15-04-05Z07-00")+".data.tar.gz.part")
finalFilePath := filepath.Join(dataFolderPath, dt.Format("2006-01-02T15-04-05Z07-00")+".data.tar.gz")
if err := makeDataFolder(gameID, documentRoot); err != nil {
return err
}
f, err := os.OpenFile(partPath, os.O_CREATE|os.O_WRONLY, 0740)
if err != nil {
return err
}
if _, err := io.Copy(f, r); err != nil {
f.Close()
if err := os.Remove(partPath); err != nil {
return fmt.Errorf("failed to write the file and cannot clean the folder: %w", err)
}
return fmt.Errorf("failed to write the file: %w", err)
}
f.Close()
if err := os.Rename(partPath, finalFilePath); err != nil {
return err
}
return nil
}
func UpdateMetadata(gameID, documentRoot string, m repository.Metadata) error {
if err := makeDataFolder(gameID, documentRoot); err != nil {
return err
}
@@ -56,5 +87,13 @@ func UpdateMetadata(gameID, documentRoot string, m game.Metadata) error {
}
func makeDataFolder(gameID, documentRoot string) error {
return os.MkdirAll(filepath.Join(documentRoot, "data", gameID), 0740)
if err := os.MkdirAll(filepath.Join(documentRoot, "data", gameID), 0740); err != nil {
return err
}
if err := os.MkdirAll(filepath.Join(documentRoot, "data", gameID, "hist"), 0740); err != nil {
return err
}
return nil
}