Initial commit: img-infinite-canvas AI design workbench MVP

Moteva-style AI design workbench replica. Home prompt creates a project;
the project page provides an infinite canvas with node drag, zoom/pan,
a design chat panel, history replay, image asset upload, and project
save/regenerate.

- Backend: go-zero, DDD layering, sqlc/pgx, optional PostgreSQL; memory
  or Redis cache; asynq job queue; MinIO/S3/R2/OSS object storage;
  sky-valley/pi agent runtime adapter.
- Frontend: Next.js App Router + Vite artifact build, TypeScript, i18n,
  shadcn/ui components, auth (OTP/Turnstile/Google/WeChat).
- Deploy: Docker Compose and k3s manifests.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
2026-07-07 23:15:37 +08:00
commit 44406b72db
349 changed files with 73265 additions and 0 deletions
@@ -0,0 +1,120 @@
package objectstorage
import (
"bytes"
"context"
"strings"
"img_infinite_canvas/internal/domain/design"
"github.com/aliyun/aliyun-oss-go-sdk/oss"
)
type AliyunOptions struct {
Bucket string
Endpoint string
AccessKey string
SecretKey string
PublicBase string
ExpiresIn int64
}
type AliyunStorage struct {
bucketName string
publicBase string
expiresIn int64
bucket *oss.Bucket
}
func NewAliyunStorage(ctx context.Context, opts AliyunOptions) (*AliyunStorage, error) {
if err := ctx.Err(); err != nil {
return nil, err
}
client, err := oss.New(opts.Endpoint, opts.AccessKey, opts.SecretKey)
if err != nil {
return nil, err
}
exists, err := client.IsBucketExist(opts.Bucket)
if err != nil {
return nil, err
}
if !exists {
if err := client.CreateBucket(opts.Bucket); err != nil {
return nil, err
}
}
bucket, err := client.Bucket(opts.Bucket)
if err != nil {
return nil, err
}
if opts.ExpiresIn <= 0 {
opts.ExpiresIn = 900
}
return &AliyunStorage{
bucketName: opts.Bucket,
publicBase: strings.TrimRight(opts.PublicBase, "/"),
expiresIn: opts.ExpiresIn,
bucket: bucket,
}, nil
}
func (s *AliyunStorage) CreateUpload(ctx context.Context, req design.AssetUploadRequest) (design.AssetUpload, error) {
if err := ctx.Err(); err != nil {
return design.AssetUpload{}, err
}
objectKey := objectKey(req.FileName)
signedURL, err := s.bucket.SignURL(objectKey, oss.HTTPPut, s.expiresIn, oss.ContentType(req.ContentType))
if err != nil {
return design.AssetUpload{}, err
}
publicURL := signedURL
if s.publicBase != "" {
publicURL = publicObjectURL(s.publicBase, objectKey)
}
return design.AssetUpload{
Driver: "aliyun",
Bucket: s.bucketName,
ObjectKey: objectKey,
UploadURL: signedURL,
PublicURL: publicURL,
Headers: map[string]string{
"Content-Type": req.ContentType,
},
ExpiresIn: s.expiresIn,
}, nil
}
func (s *AliyunStorage) PutObject(ctx context.Context, req design.AssetObjectRequest) (design.AssetObject, error) {
if err := ctx.Err(); err != nil {
return design.AssetObject{}, err
}
objectKey := objectKey(req.FileName)
if err := s.bucket.PutObject(objectKey, bytes.NewReader(req.Data), oss.ContentType(req.ContentType)); err != nil {
return design.AssetObject{}, err
}
publicURL := publicObjectURL(s.publicBase, objectKey)
return design.AssetObject{
Driver: "aliyun",
Bucket: s.bucketName,
ObjectKey: objectKey,
PublicURL: publicURL,
}, nil
}
func (s *AliyunStorage) DeleteObject(ctx context.Context, publicURL string) error {
if err := ctx.Err(); err != nil {
return err
}
objectKey, ok := objectKeyFromPublicURL(s.publicBase, publicURL)
if !ok {
return nil
}
return s.bucket.DeleteObject(objectKey)
}
@@ -0,0 +1,102 @@
package objectstorage
import (
"context"
"fmt"
"net/url"
"path/filepath"
"strings"
"time"
"img_infinite_canvas/internal/domain/design"
"github.com/google/uuid"
)
type MemoryStorage struct {
bucket string
publicBase string
expiresIn int64
}
func NewMemoryStorage(bucket string, publicBase string, expiresIn int64) *MemoryStorage {
if bucket == "" {
bucket = "memory-assets"
}
if expiresIn <= 0 {
expiresIn = 900
}
return &MemoryStorage{
bucket: bucket,
publicBase: strings.TrimRight(publicBase, "/"),
expiresIn: expiresIn,
}
}
func (s *MemoryStorage) CreateUpload(ctx context.Context, req design.AssetUploadRequest) (design.AssetUpload, error) {
if err := ctx.Err(); err != nil {
return design.AssetUpload{}, err
}
objectKey := objectKey(req.FileName)
publicURL := fmt.Sprintf("/memory-assets/%s", escapeObjectPath(objectKey))
if s.publicBase != "" {
publicURL = publicObjectURL(s.publicBase, objectKey)
}
return design.AssetUpload{
Driver: "memory",
Bucket: s.bucket,
ObjectKey: objectKey,
UploadURL: publicURL + "?upload=1",
PublicURL: publicURL,
Headers: map[string]string{
"Content-Type": req.ContentType,
},
ExpiresIn: s.expiresIn,
}, nil
}
func (s *MemoryStorage) PutObject(ctx context.Context, req design.AssetObjectRequest) (design.AssetObject, error) {
if err := ctx.Err(); err != nil {
return design.AssetObject{}, err
}
objectKey := objectKey(req.FileName)
publicURL := fmt.Sprintf("/memory-assets/%s", escapeObjectPath(objectKey))
if s.publicBase != "" {
publicURL = publicObjectURL(s.publicBase, objectKey)
}
return design.AssetObject{
Driver: "memory",
Bucket: s.bucket,
ObjectKey: objectKey,
PublicURL: publicURL,
}, nil
}
func (s *MemoryStorage) DeleteObject(ctx context.Context, publicURL string) error {
return ctx.Err()
}
func objectKey(fileName string) string {
ext := filepath.Ext(fileName)
return time.Now().UTC().Format("2006/01/02") + "/" + uuid.NewString() + ext
}
func publicObjectURL(publicBase string, objectKey string) string {
publicBase = strings.TrimRight(publicBase, "/")
if publicBase == "" {
return ""
}
return publicBase + "/" + escapeObjectPath(objectKey)
}
func escapeObjectPath(objectKey string) string {
parts := strings.Split(objectKey, "/")
for index, part := range parts {
parts[index] = url.PathEscape(part)
}
return strings.Join(parts, "/")
}
@@ -0,0 +1,136 @@
package objectstorage
import (
"bytes"
"context"
"fmt"
"strings"
"time"
"img_infinite_canvas/internal/domain/design"
"github.com/minio/minio-go/v7"
"github.com/minio/minio-go/v7/pkg/credentials"
)
type S3Options struct {
Driver string
Bucket string
Endpoint string
Region string
AccessKey string
SecretKey string
PublicBase string
UseSSL bool
ExpiresIn int64
}
type S3Storage struct {
driver string
bucket string
publicBase string
expiresIn int64
client *minio.Client
}
func NewS3Storage(ctx context.Context, opts S3Options) (*S3Storage, error) {
client, err := minio.New(opts.Endpoint, &minio.Options{
Creds: credentials.NewStaticV4(opts.AccessKey, opts.SecretKey, ""),
Secure: opts.UseSSL,
Region: opts.Region,
})
if err != nil {
return nil, err
}
exists, err := client.BucketExists(ctx, opts.Bucket)
if err != nil {
return nil, err
}
if !exists {
if err := client.MakeBucket(ctx, opts.Bucket, minio.MakeBucketOptions{Region: opts.Region}); err != nil {
return nil, err
}
}
if strings.EqualFold(opts.Driver, "minio") && strings.TrimSpace(opts.PublicBase) != "" {
if err := setMinioPublicReadPolicy(ctx, client, opts.Bucket); err != nil {
return nil, err
}
}
if opts.ExpiresIn <= 0 {
opts.ExpiresIn = 900
}
return &S3Storage{
driver: opts.Driver,
bucket: opts.Bucket,
publicBase: strings.TrimRight(opts.PublicBase, "/"),
expiresIn: opts.ExpiresIn,
client: client,
}, nil
}
func setMinioPublicReadPolicy(ctx context.Context, client *minio.Client, bucket string) error {
policy := fmt.Sprintf(`{
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Principal": {"AWS": ["*"]},
"Action": ["s3:GetObject"],
"Resource": ["arn:aws:s3:::%s/*"]
}
]
}`, bucket)
return client.SetBucketPolicy(ctx, bucket, policy)
}
func (s *S3Storage) CreateUpload(ctx context.Context, req design.AssetUploadRequest) (design.AssetUpload, error) {
objectKey := objectKey(req.FileName)
headers := map[string]string{"Content-Type": req.ContentType}
uploadURL, err := s.client.PresignedPutObject(ctx, s.bucket, objectKey, time.Duration(s.expiresIn)*time.Second)
if err != nil {
return design.AssetUpload{}, err
}
publicURL := uploadURL.String()
if s.publicBase != "" {
publicURL = publicObjectURL(s.publicBase, objectKey)
}
return design.AssetUpload{
Driver: s.driver,
Bucket: s.bucket,
ObjectKey: objectKey,
UploadURL: uploadURL.String(),
PublicURL: publicURL,
Headers: headers,
ExpiresIn: s.expiresIn,
}, nil
}
func (s *S3Storage) PutObject(ctx context.Context, req design.AssetObjectRequest) (design.AssetObject, error) {
objectKey := objectKey(req.FileName)
if _, err := s.client.PutObject(ctx, s.bucket, objectKey, bytes.NewReader(req.Data), int64(len(req.Data)), minio.PutObjectOptions{
ContentType: req.ContentType,
}); err != nil {
return design.AssetObject{}, err
}
publicURL := publicObjectURL(s.publicBase, objectKey)
return design.AssetObject{
Driver: s.driver,
Bucket: s.bucket,
ObjectKey: objectKey,
PublicURL: publicURL,
}, nil
}
func (s *S3Storage) DeleteObject(ctx context.Context, publicURL string) error {
objectKey, ok := objectKeyFromPublicURL(s.publicBase, publicURL)
if !ok {
return nil
}
return s.client.RemoveObject(ctx, s.bucket, objectKey, minio.RemoveObjectOptions{})
}
@@ -0,0 +1,45 @@
package objectstorage
import (
"net/url"
"strings"
)
func objectKeyFromPublicURL(publicBase string, value string) (string, bool) {
value = strings.TrimSpace(value)
publicBase = strings.TrimRight(strings.TrimSpace(publicBase), "/")
if value == "" || publicBase == "" {
return "", false
}
if strings.HasPrefix(value, publicBase+"/") {
return unescapeObjectKey(strings.TrimPrefix(strings.Split(value, "?")[0], publicBase+"/"))
}
parsedValue, err := url.Parse(value)
if err != nil {
return "", false
}
parsedBase, err := url.Parse(publicBase)
if err != nil {
return "", false
}
basePath := strings.TrimRight(parsedBase.EscapedPath(), "/")
valuePath := parsedValue.EscapedPath()
if basePath == "" || !strings.HasPrefix(valuePath, basePath+"/") {
return "", false
}
return unescapeObjectKey(strings.TrimPrefix(valuePath, basePath+"/"))
}
func unescapeObjectKey(value string) (string, bool) {
value = strings.TrimLeft(strings.TrimSpace(value), "/")
if value == "" {
return "", false
}
objectKey, err := url.PathUnescape(value)
if err != nil {
return "", false
}
return objectKey, objectKey != ""
}