mirror of
https://github.com/zitadel/zitadel.git
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fa9f581d56
* chore: move to new org * logging * fix: org rename caos -> zitadel Co-authored-by: adlerhurst <silvan.reusser@gmail.com>
204 lines
6.3 KiB
Go
204 lines
6.3 KiB
Go
package assets
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import (
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"context"
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"fmt"
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"net/http"
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"strconv"
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"strings"
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"time"
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sentryhttp "github.com/getsentry/sentry-go/http"
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"github.com/gorilla/mux"
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"github.com/zitadel/logging"
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"github.com/zitadel/zitadel/internal/api/authz"
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http_util "github.com/zitadel/zitadel/internal/api/http"
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http_mw "github.com/zitadel/zitadel/internal/api/http/middleware"
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"github.com/zitadel/zitadel/internal/command"
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"github.com/zitadel/zitadel/internal/id"
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"github.com/zitadel/zitadel/internal/query"
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"github.com/zitadel/zitadel/internal/static"
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)
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const (
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HandlerPrefix = "/assets/v1"
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)
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type Handler struct {
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errorHandler ErrorHandler
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storage static.Storage
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commands *command.Commands
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authInterceptor *http_mw.AuthInterceptor
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idGenerator id.Generator
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query *query.Queries
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}
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func (h *Handler) AuthInterceptor() *http_mw.AuthInterceptor {
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return h.authInterceptor
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}
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func (h *Handler) Commands() *command.Commands {
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return h.commands
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}
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func (h *Handler) ErrorHandler() ErrorHandler {
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return DefaultErrorHandler
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}
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func (h *Handler) Storage() static.Storage {
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return h.storage
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}
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type Uploader interface {
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UploadAsset(ctx context.Context, info string, asset *command.AssetUpload, commands *command.Commands) error
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ObjectName(data authz.CtxData) (string, error)
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ResourceOwner(instance authz.Instance, data authz.CtxData) string
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ContentTypeAllowed(contentType string) bool
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MaxFileSize() int64
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ObjectType() static.ObjectType
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}
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type Downloader interface {
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ObjectName(ctx context.Context, path string) (string, error)
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ResourceOwner(ctx context.Context, ownerPath string) string
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}
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type ErrorHandler func(http.ResponseWriter, *http.Request, error, int)
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func DefaultErrorHandler(w http.ResponseWriter, r *http.Request, err error, code int) {
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logging.WithFields("uri", r.RequestURI).WithError(err).Warn("error occurred on asset api")
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http.Error(w, err.Error(), code)
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}
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func NewHandler(commands *command.Commands, verifier *authz.TokenVerifier, authConfig authz.Config, idGenerator id.Generator, storage static.Storage, queries *query.Queries, instanceInterceptor func(handler http.Handler) http.Handler) http.Handler {
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h := &Handler{
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commands: commands,
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errorHandler: DefaultErrorHandler,
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authInterceptor: http_mw.AuthorizationInterceptor(verifier, authConfig),
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idGenerator: idGenerator,
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storage: storage,
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query: queries,
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}
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verifier.RegisterServer("Management-API", "assets", AssetsService_AuthMethods) //TODO: separate api?
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router := mux.NewRouter()
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router.Use(sentryhttp.New(sentryhttp.Options{}).Handle, instanceInterceptor)
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RegisterRoutes(router, h)
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router.PathPrefix("/{owner}").Methods("GET").HandlerFunc(DownloadHandleFunc(h, h.GetFile()))
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return router
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}
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func (h *Handler) GetFile() Downloader {
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return &publicFileDownloader{}
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}
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type publicFileDownloader struct{}
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func (l *publicFileDownloader) ObjectName(_ context.Context, path string) (string, error) {
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return path, nil
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}
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func (l *publicFileDownloader) ResourceOwner(_ context.Context, ownerPath string) string {
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return ownerPath
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}
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const maxMemory = 2 << 20
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const paramFile = "file"
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func UploadHandleFunc(s AssetsService, uploader Uploader) func(http.ResponseWriter, *http.Request) {
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return func(w http.ResponseWriter, r *http.Request) {
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ctx := r.Context()
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ctxData := authz.GetCtxData(ctx)
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err := r.ParseMultipartForm(maxMemory)
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file, handler, err := r.FormFile(paramFile)
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if err != nil {
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http.Error(w, err.Error(), http.StatusBadRequest)
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return
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}
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defer func() {
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err = file.Close()
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logging.OnError(err).Warn("could not close file")
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}()
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contentType := handler.Header.Get("content-type")
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size := handler.Size
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if !uploader.ContentTypeAllowed(contentType) {
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s.ErrorHandler()(w, r, fmt.Errorf("invalid content-type: %s", contentType), http.StatusBadRequest)
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return
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}
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if size > uploader.MaxFileSize() {
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s.ErrorHandler()(w, r, fmt.Errorf("file to big, max file size is %vKB", uploader.MaxFileSize()/1024), http.StatusBadRequest)
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return
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}
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resourceOwner := uploader.ResourceOwner(authz.GetInstance(ctx), ctxData)
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objectName, err := uploader.ObjectName(ctxData)
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if err != nil {
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s.ErrorHandler()(w, r, fmt.Errorf("upload failed: %v", err), http.StatusInternalServerError)
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return
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}
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uploadInfo := &command.AssetUpload{
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ResourceOwner: resourceOwner,
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ObjectName: objectName,
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ContentType: contentType,
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ObjectType: uploader.ObjectType(),
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File: file,
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Size: size,
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}
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err = uploader.UploadAsset(ctx, ctxData.OrgID, uploadInfo, s.Commands())
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if err != nil {
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s.ErrorHandler()(w, r, fmt.Errorf("upload failed: %v", err), http.StatusInternalServerError)
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return
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}
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}
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}
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func DownloadHandleFunc(s AssetsService, downloader Downloader) func(http.ResponseWriter, *http.Request) {
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return func(w http.ResponseWriter, r *http.Request) {
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if s.Storage() == nil {
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return
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}
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ctx := r.Context()
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ownerPath := mux.Vars(r)["owner"]
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resourceOwner := downloader.ResourceOwner(ctx, ownerPath)
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path := ""
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if ownerPath != "" {
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path = strings.Split(r.RequestURI, ownerPath+"/")[1]
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}
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objectName, err := downloader.ObjectName(ctx, path)
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if err != nil {
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s.ErrorHandler()(w, r, fmt.Errorf("download failed: %v", err), http.StatusInternalServerError)
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return
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}
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if objectName == "" {
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s.ErrorHandler()(w, r, fmt.Errorf("file not found: %v", path), http.StatusNotFound)
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return
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}
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if err = GetAsset(w, r, resourceOwner, objectName, s.Storage()); err != nil {
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s.ErrorHandler()(w, r, err, http.StatusInternalServerError)
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}
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}
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}
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func GetAsset(w http.ResponseWriter, r *http.Request, resourceOwner, objectName string, storage static.Storage) error {
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data, getInfo, err := storage.GetObject(r.Context(), authz.GetInstance(r.Context()).InstanceID(), resourceOwner, objectName)
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if err != nil {
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return fmt.Errorf("download failed: %v", err)
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}
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info, err := getInfo()
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if err != nil {
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return fmt.Errorf("download failed: %v", err)
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}
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if info.Hash == r.Header.Get(http_util.IfNoneMatch) {
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w.WriteHeader(304)
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return nil
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}
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w.Header().Set(http_util.ContentLength, strconv.FormatInt(info.Size, 10))
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w.Header().Set(http_util.ContentType, info.ContentType)
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w.Header().Set(http_util.LastModified, info.LastModified.Format(time.RFC1123))
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w.Header().Set(http_util.Etag, info.Hash)
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_, err = w.Write(data)
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logging.New().OnError(err).Error("error writing response for asset")
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return nil
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}
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