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swarm/api: unexport Respond methods (#18037)

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This commit is contained in:
Anton Evangelatov 2018-11-06 12:34:34 +01:00 committed by GitHub
parent baee850471
commit 53eb4e0b0f
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 51 additions and 52 deletions
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2
swarm/api/http/middleware.go
View File

@ -50,7 +50,7 @@ func ParseURI(h http.Handler) http.Handler {
uri, err := api.Parse(strings.TrimLeft(r.URL.Path, "/"))
if err != nil {
w.WriteHeader(http.StatusBadRequest)
RespondError(w, r, fmt.Sprintf("invalid URI %q", r.URL.Path), http.StatusBadRequest)
respondError(w, r, fmt.Sprintf("invalid URI %q", r.URL.Path), http.StatusBadRequest)
return
}
if uri.Addr != "" && strings.HasPrefix(uri.Addr, "0x") {

25
swarm/api/http/response.go
View File

@ -53,23 +53,23 @@ func ShowMultipleChoices(w http.ResponseWriter, r *http.Request, list api.Manife
log.Debug("ShowMultipleChoices", "ruid", GetRUID(r.Context()), "uri", GetURI(r.Context()))
msg := ""
if list.Entries == nil {
RespondError(w, r, "Could not resolve", http.StatusInternalServerError)
respondError(w, r, "Could not resolve", http.StatusInternalServerError)
return
}
requestUri := strings.TrimPrefix(r.RequestURI, "/")
uri, err := api.Parse(requestUri)
if err != nil {
RespondError(w, r, "Bad Request", http.StatusBadRequest)
respondError(w, r, "Bad Request", http.StatusBadRequest)
}
uri.Scheme = "bzz-list"
msg += fmt.Sprintf("Disambiguation:<br/>Your request may refer to multiple choices.<br/>Click <a class=\"orange\" href='"+"/"+uri.String()+"'>here</a> if your browser does not redirect you within 5 seconds.<script>setTimeout(\"location.href='%s';\",5000);</script><br/>", "/"+uri.String())
RespondTemplate(w, r, "error", msg, http.StatusMultipleChoices)
respondTemplate(w, r, "error", msg, http.StatusMultipleChoices)
}
func RespondTemplate(w http.ResponseWriter, r *http.Request, templateName, msg string, code int) {
log.Debug("RespondTemplate", "ruid", GetRUID(r.Context()), "uri", GetURI(r.Context()))
func respondTemplate(w http.ResponseWriter, r *http.Request, templateName, msg string, code int) {
log.Debug("respondTemplate", "ruid", GetRUID(r.Context()), "uri", GetURI(r.Context()))
respond(w, r, &ResponseParams{
Code: code,
Msg: template.HTML(msg),
@ -78,13 +78,12 @@ func RespondTemplate(w http.ResponseWriter, r *http.Request, templateName, msg s
})
}
func RespondError(w http.ResponseWriter, r *http.Request, msg string, code int) {
log.Debug("RespondError", "ruid", GetRUID(r.Context()), "uri", GetURI(r.Context()), "code", code)
RespondTemplate(w, r, "error", msg, code)
func respondError(w http.ResponseWriter, r *http.Request, msg string, code int) {
log.Info("respondError", "ruid", GetRUID(r.Context()), "uri", GetURI(r.Context()), "code", code)
respondTemplate(w, r, "error", msg, code)
}
func respond(w http.ResponseWriter, r *http.Request, params *ResponseParams) {
w.WriteHeader(params.Code)
if params.Code >= 400 {
@ -96,7 +95,7 @@ func respond(w http.ResponseWriter, r *http.Request, params *ResponseParams) {
// this cannot be in a switch since an Accept header can have multiple values: "Accept: */*, text/html, application/xhtml+xml, application/xml;q=0.9, */*;q=0.8"
if strings.Contains(acceptHeader, "application/json") {
if err := respondJSON(w, r, params); err != nil {
RespondError(w, r, "Internal server error", http.StatusInternalServerError)
respondError(w, r, "Internal server error", http.StatusInternalServerError)
}
} else if strings.Contains(acceptHeader, "text/html") {
respondHTML(w, r, params)
@ -107,7 +106,7 @@ func respond(w http.ResponseWriter, r *http.Request, params *ResponseParams) {
func respondHTML(w http.ResponseWriter, r *http.Request, params *ResponseParams) {
htmlCounter.Inc(1)
log.Debug("respondHTML", "ruid", GetRUID(r.Context()))
log.Info("respondHTML", "ruid", GetRUID(r.Context()), "code", params.Code)
err := params.template.Execute(w, params)
if err != nil {
log.Error(err.Error())
@ -116,14 +115,14 @@ func respondHTML(w http.ResponseWriter, r *http.Request, params *ResponseParams)
func respondJSON(w http.ResponseWriter, r *http.Request, params *ResponseParams) error {
jsonCounter.Inc(1)
log.Debug("respondJSON", "ruid", GetRUID(r.Context()))
log.Info("respondJSON", "ruid", GetRUID(r.Context()), "code", params.Code)
w.Header().Set("Content-Type", "application/json")
return json.NewEncoder(w).Encode(params)
}
func respondPlaintext(w http.ResponseWriter, r *http.Request, params *ResponseParams) error {
plaintextCounter.Inc(1)
log.Debug("respondPlaintext", "ruid", GetRUID(r.Context()))
log.Info("respondPlaintext", "ruid", GetRUID(r.Context()), "code", params.Code)
w.Header().Set("Content-Type", "text/plain")
strToWrite := "Code: " + fmt.Sprintf("%d", params.Code) + "\n"
strToWrite += "Message: " + string(params.Msg) + "\n"

76
swarm/api/http/server.go
View File

@ -184,10 +184,10 @@ func (s *Server) HandleBzzGet(w http.ResponseWriter, r *http.Request) {
if err != nil {
if isDecryptError(err) {
w.Header().Set("WWW-Authenticate", fmt.Sprintf("Basic realm=%q", uri.Address().String()))
RespondError(w, r, err.Error(), http.StatusUnauthorized)
respondError(w, r, err.Error(), http.StatusUnauthorized)
return
}
RespondError(w, r, fmt.Sprintf("Had an error building the tarball: %v", err), http.StatusInternalServerError)
respondError(w, r, fmt.Sprintf("Had an error building the tarball: %v", err), http.StatusInternalServerError)
return
}
defer reader.Close()
@ -211,7 +211,7 @@ func (s *Server) HandleBzzGet(w http.ResponseWriter, r *http.Request) {
func (s *Server) HandleRootPaths(w http.ResponseWriter, r *http.Request) {
switch r.RequestURI {
case "/":
RespondTemplate(w, r, "landing-page", "Swarm: Please request a valid ENS or swarm hash with the appropriate bzz scheme", 200)
respondTemplate(w, r, "landing-page", "Swarm: Please request a valid ENS or swarm hash with the appropriate bzz scheme", 200)
return
case "/robots.txt":
w.Header().Set("Last-Modified", time.Now().Format(http.TimeFormat))
@ -220,7 +220,7 @@ func (s *Server) HandleRootPaths(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
w.Write(faviconBytes)
default:
RespondError(w, r, "Not Found", http.StatusNotFound)
respondError(w, r, "Not Found", http.StatusNotFound)
}
}
@ -240,26 +240,26 @@ func (s *Server) HandlePostRaw(w http.ResponseWriter, r *http.Request) {
if uri.Path != "" {
postRawFail.Inc(1)
RespondError(w, r, "raw POST request cannot contain a path", http.StatusBadRequest)
respondError(w, r, "raw POST request cannot contain a path", http.StatusBadRequest)
return
}
if uri.Addr != "" && uri.Addr != "encrypt" {
postRawFail.Inc(1)
RespondError(w, r, "raw POST request addr can only be empty or \"encrypt\"", http.StatusBadRequest)
respondError(w, r, "raw POST request addr can only be empty or \"encrypt\"", http.StatusBadRequest)
return
}
if r.Header.Get("Content-Length") == "" {
postRawFail.Inc(1)
RespondError(w, r, "missing Content-Length header in request", http.StatusBadRequest)
respondError(w, r, "missing Content-Length header in request", http.StatusBadRequest)
return
}
addr, _, err := s.api.Store(r.Context(), r.Body, r.ContentLength, toEncrypt)
if err != nil {
postRawFail.Inc(1)
RespondError(w, r, err.Error(), http.StatusInternalServerError)
respondError(w, r, err.Error(), http.StatusInternalServerError)
return
}
@ -283,7 +283,7 @@ func (s *Server) HandlePostFiles(w http.ResponseWriter, r *http.Request) {
contentType, params, err := mime.ParseMediaType(r.Header.Get("Content-Type"))
if err != nil {
postFilesFail.Inc(1)
RespondError(w, r, err.Error(), http.StatusBadRequest)
respondError(w, r, err.Error(), http.StatusBadRequest)
return
}
@ -298,7 +298,7 @@ func (s *Server) HandlePostFiles(w http.ResponseWriter, r *http.Request) {
addr, err = s.api.Resolve(r.Context(), uri.Addr)
if err != nil {
postFilesFail.Inc(1)
RespondError(w, r, fmt.Sprintf("cannot resolve %s: %s", uri.Addr, err), http.StatusInternalServerError)
respondError(w, r, fmt.Sprintf("cannot resolve %s: %s", uri.Addr, err), http.StatusInternalServerError)
return
}
log.Debug("resolved key", "ruid", ruid, "key", addr)
@ -306,7 +306,7 @@ func (s *Server) HandlePostFiles(w http.ResponseWriter, r *http.Request) {
addr, err = s.api.NewManifest(r.Context(), toEncrypt)
if err != nil {
postFilesFail.Inc(1)
RespondError(w, r, err.Error(), http.StatusInternalServerError)
respondError(w, r, err.Error(), http.StatusInternalServerError)
return
}
log.Debug("new manifest", "ruid", ruid, "key", addr)
@ -317,7 +317,7 @@ func (s *Server) HandlePostFiles(w http.ResponseWriter, r *http.Request) {
case "application/x-tar":
_, err := s.handleTarUpload(r, mw)
if err != nil {
RespondError(w, r, fmt.Sprintf("error uploading tarball: %v", err), http.StatusInternalServerError)
respondError(w, r, fmt.Sprintf("error uploading tarball: %v", err), http.StatusInternalServerError)
return err
}
return nil
@ -330,7 +330,7 @@ func (s *Server) HandlePostFiles(w http.ResponseWriter, r *http.Request) {
})
if err != nil {
postFilesFail.Inc(1)
RespondError(w, r, fmt.Sprintf("cannot create manifest: %s", err), http.StatusInternalServerError)
respondError(w, r, fmt.Sprintf("cannot create manifest: %s", err), http.StatusInternalServerError)
return
}
@ -439,7 +439,7 @@ func (s *Server) HandleDelete(w http.ResponseWriter, r *http.Request) {
newKey, err := s.api.Delete(r.Context(), uri.Addr, uri.Path)
if err != nil {
deleteFail.Inc(1)
RespondError(w, r, fmt.Sprintf("could not delete from manifest: %v", err), http.StatusInternalServerError)
respondError(w, r, fmt.Sprintf("could not delete from manifest: %v", err), http.StatusInternalServerError)
return
}
@ -460,7 +460,7 @@ func (s *Server) HandlePostFeed(w http.ResponseWriter, r *http.Request) {
// Creation and update must send feed.updateRequestJSON JSON structure
body, err := ioutil.ReadAll(r.Body)
if err != nil {
RespondError(w, r, err.Error(), http.StatusInternalServerError)
respondError(w, r, err.Error(), http.StatusInternalServerError)
return
}
@ -471,7 +471,7 @@ func (s *Server) HandlePostFeed(w http.ResponseWriter, r *http.Request) {
if err == api.ErrCannotLoadFeedManifest || err == api.ErrCannotResolveFeedURI {
httpStatus = http.StatusNotFound
}
RespondError(w, r, fmt.Sprintf("cannot retrieve feed from manifest: %s", err), httpStatus)
respondError(w, r, fmt.Sprintf("cannot retrieve feed from manifest: %s", err), httpStatus)
return
}
@ -480,7 +480,7 @@ func (s *Server) HandlePostFeed(w http.ResponseWriter, r *http.Request) {
query := r.URL.Query()
if err := updateRequest.FromValues(query, body); err != nil { // decodes request from query parameters
RespondError(w, r, err.Error(), http.StatusBadRequest)
respondError(w, r, err.Error(), http.StatusBadRequest)
return
}
@ -489,12 +489,12 @@ func (s *Server) HandlePostFeed(w http.ResponseWriter, r *http.Request) {
// to update this feed
// Check this early, to avoid creating a feed and then not being able to set its first update.
if err = updateRequest.Verify(); err != nil {
RespondError(w, r, err.Error(), http.StatusForbidden)
respondError(w, r, err.Error(), http.StatusForbidden)
return
}
_, err = s.api.FeedsUpdate(r.Context(), &updateRequest)
if err != nil {
RespondError(w, r, err.Error(), http.StatusInternalServerError)
respondError(w, r, err.Error(), http.StatusInternalServerError)
return
}
}
@ -505,7 +505,7 @@ func (s *Server) HandlePostFeed(w http.ResponseWriter, r *http.Request) {
// feed identification used to retrieve feed updates later
m, err := s.api.NewFeedManifest(r.Context(), &updateRequest.Feed)
if err != nil {
RespondError(w, r, fmt.Sprintf("failed to create feed manifest: %v", err), http.StatusInternalServerError)
respondError(w, r, fmt.Sprintf("failed to create feed manifest: %v", err), http.StatusInternalServerError)
return
}
// the key to the manifest will be passed back to the client
@ -513,7 +513,7 @@ func (s *Server) HandlePostFeed(w http.ResponseWriter, r *http.Request) {
// the manifest key can be set as content in the resolver of the ENS name
outdata, err := json.Marshal(m)
if err != nil {
RespondError(w, r, fmt.Sprintf("failed to create json response: %s", err), http.StatusInternalServerError)
respondError(w, r, fmt.Sprintf("failed to create json response: %s", err), http.StatusInternalServerError)
return
}
fmt.Fprint(w, string(outdata))
@ -550,7 +550,7 @@ func (s *Server) HandleGetFeed(w http.ResponseWriter, r *http.Request) {
if err == api.ErrCannotLoadFeedManifest || err == api.ErrCannotResolveFeedURI {
httpStatus = http.StatusNotFound
}
RespondError(w, r, fmt.Sprintf("cannot retrieve feed information from manifest: %s", err), httpStatus)
respondError(w, r, fmt.Sprintf("cannot retrieve feed information from manifest: %s", err), httpStatus)
return
}
@ -559,12 +559,12 @@ func (s *Server) HandleGetFeed(w http.ResponseWriter, r *http.Request) {
unsignedUpdateRequest, err := s.api.FeedsNewRequest(r.Context(), fd)
if err != nil {
getFail.Inc(1)
RespondError(w, r, fmt.Sprintf("cannot retrieve feed metadata for feed=%s: %s", fd.Hex(), err), http.StatusNotFound)
respondError(w, r, fmt.Sprintf("cannot retrieve feed metadata for feed=%s: %s", fd.Hex(), err), http.StatusNotFound)
return
}
rawResponse, err := unsignedUpdateRequest.MarshalJSON()
if err != nil {
RespondError(w, r, fmt.Sprintf("cannot encode unsigned feed update request: %v", err), http.StatusInternalServerError)
respondError(w, r, fmt.Sprintf("cannot encode unsigned feed update request: %v", err), http.StatusInternalServerError)
return
}
w.Header().Add("Content-type", "application/json")
@ -575,7 +575,7 @@ func (s *Server) HandleGetFeed(w http.ResponseWriter, r *http.Request) {
lookupParams := &feed.Query{Feed: *fd}
if err = lookupParams.FromValues(r.URL.Query()); err != nil { // parse period, version
RespondError(w, r, fmt.Sprintf("invalid feed update request:%s", err), http.StatusBadRequest)
respondError(w, r, fmt.Sprintf("invalid feed update request:%s", err), http.StatusBadRequest)
return
}
@ -584,7 +584,7 @@ func (s *Server) HandleGetFeed(w http.ResponseWriter, r *http.Request) {
// any error from the switch statement will end up here
if err != nil {
code, err2 := s.translateFeedError(w, r, "feed lookup fail", err)
RespondError(w, r, err2.Error(), code)
respondError(w, r, err2.Error(), code)
return
}
@ -630,7 +630,7 @@ func (s *Server) HandleGet(w http.ResponseWriter, r *http.Request) {
addr, err := s.api.ResolveURI(r.Context(), uri, pass)
if err != nil {
getFail.Inc(1)
RespondError(w, r, fmt.Sprintf("cannot resolve %s: %s", uri.Addr, err), http.StatusNotFound)
respondError(w, r, fmt.Sprintf("cannot resolve %s: %s", uri.Addr, err), http.StatusNotFound)
return
}
w.Header().Set("Cache-Control", "max-age=2147483648, immutable") // url was of type bzz://<hex key>/path, so we are sure it is immutable.
@ -654,7 +654,7 @@ func (s *Server) HandleGet(w http.ResponseWriter, r *http.Request) {
reader, isEncrypted := s.api.Retrieve(r.Context(), addr)
if _, err := reader.Size(r.Context(), nil); err != nil {
getFail.Inc(1)
RespondError(w, r, fmt.Sprintf("root chunk not found %s: %s", addr, err), http.StatusNotFound)
respondError(w, r, fmt.Sprintf("root chunk not found %s: %s", addr, err), http.StatusNotFound)
return
}
@ -694,7 +694,7 @@ func (s *Server) HandleGetList(w http.ResponseWriter, r *http.Request) {
addr, err := s.api.Resolve(r.Context(), uri.Addr)
if err != nil {
getListFail.Inc(1)
RespondError(w, r, fmt.Sprintf("cannot resolve %s: %s", uri.Addr, err), http.StatusNotFound)
respondError(w, r, fmt.Sprintf("cannot resolve %s: %s", uri.Addr, err), http.StatusNotFound)
return
}
log.Debug("handle.get.list: resolved", "ruid", ruid, "key", addr)
@ -704,10 +704,10 @@ func (s *Server) HandleGetList(w http.ResponseWriter, r *http.Request) {
getListFail.Inc(1)
if isDecryptError(err) {
w.Header().Set("WWW-Authenticate", fmt.Sprintf("Basic realm=%q", addr.String()))
RespondError(w, r, err.Error(), http.StatusUnauthorized)
respondError(w, r, err.Error(), http.StatusUnauthorized)
return
}
RespondError(w, r, err.Error(), http.StatusInternalServerError)
respondError(w, r, err.Error(), http.StatusInternalServerError)
return
}
@ -755,7 +755,7 @@ func (s *Server) HandleGetFile(w http.ResponseWriter, r *http.Request) {
manifestAddr, err = s.api.Resolve(r.Context(), uri.Addr)
if err != nil {
getFileFail.Inc(1)
RespondError(w, r, fmt.Sprintf("cannot resolve %s: %s", uri.Addr, err), http.StatusNotFound)
respondError(w, r, fmt.Sprintf("cannot resolve %s: %s", uri.Addr, err), http.StatusNotFound)
return
}
} else {
@ -779,17 +779,17 @@ func (s *Server) HandleGetFile(w http.ResponseWriter, r *http.Request) {
if err != nil {
if isDecryptError(err) {
w.Header().Set("WWW-Authenticate", fmt.Sprintf("Basic realm=%q", manifestAddr))
RespondError(w, r, err.Error(), http.StatusUnauthorized)
respondError(w, r, err.Error(), http.StatusUnauthorized)
return
}
switch status {
case http.StatusNotFound:
getFileNotFound.Inc(1)
RespondError(w, r, err.Error(), http.StatusNotFound)
respondError(w, r, err.Error(), http.StatusNotFound)
default:
getFileFail.Inc(1)
RespondError(w, r, err.Error(), http.StatusInternalServerError)
respondError(w, r, err.Error(), http.StatusInternalServerError)
}
return
}
@ -802,10 +802,10 @@ func (s *Server) HandleGetFile(w http.ResponseWriter, r *http.Request) {
getFileFail.Inc(1)
if isDecryptError(err) {
w.Header().Set("WWW-Authenticate", fmt.Sprintf("Basic realm=%q", manifestAddr))
RespondError(w, r, err.Error(), http.StatusUnauthorized)
respondError(w, r, err.Error(), http.StatusUnauthorized)
return
}
RespondError(w, r, err.Error(), http.StatusInternalServerError)
respondError(w, r, err.Error(), http.StatusInternalServerError)
return
}
@ -818,7 +818,7 @@ func (s *Server) HandleGetFile(w http.ResponseWriter, r *http.Request) {
// check the root chunk exists by retrieving the file's size
if _, err := reader.Size(r.Context(), nil); err != nil {
getFileNotFound.Inc(1)
RespondError(w, r, fmt.Sprintf("file not found %s: %s", uri, err), http.StatusNotFound)
respondError(w, r, fmt.Sprintf("file not found %s: %s", uri, err), http.StatusNotFound)
return
}