// presumed to be valid and ignored, to permit forward compatibility.
} else {
// Unknown format; not a valid locator.
- log.Printf("%s %s %d %s", req.Method, hash, BadRequestError.HTTPCode, "-")
http.Error(resp, BadRequestError.Error(), BadRequestError.HTTPCode)
return
}
// request's permission signature.
if enforce_permissions {
if signature == "" || timestamp == "" {
- log.Printf("%s %s %d %s", req.Method, hash, PermissionError.HTTPCode, "-")
http.Error(resp, PermissionError.Error(), PermissionError.HTTPCode)
return
} else if IsExpired(timestamp) {
- log.Printf("%s %s %d %s", req.Method, hash, ExpiredError.HTTPCode, "-")
http.Error(resp, ExpiredError.Error(), ExpiredError.HTTPCode)
return
} else {
req_locator := req.URL.Path[1:] // strip leading slash
if !VerifySignature(req_locator, GetApiToken(req)) {
- log.Printf("%s %s %d %s", req.Method, hash, PermissionError.HTTPCode, "-")
http.Error(resp, PermissionError.Error(), PermissionError.HTTPCode)
return
}
if err != nil {
// This type assertion is safe because the only errors
// GetBlock can return are DiskHashError or NotFoundError.
- if err == NotFoundError {
- log.Printf("%s: not found, giving up\n", hash)
- }
- log.Printf("%s %s %d %s", req.Method, hash, err.(*KeepError).HTTPCode, "-")
http.Error(resp, err.Error(), err.(*KeepError).HTTPCode)
return
}
resp.Header().Set("X-Block-Size", fmt.Sprintf("%d", len(block)))
_, err = resp.Write(block)
- if err != nil {
- log.Printf("%s %s %d %s", req.Method, hash, err.(*KeepError).HTTPCode, len(block), "-")
- } else {
- log.Printf("%s %s %d %d", req.Method, hash, 200, len(block))
- }
return
}
// If the request exceeds BLOCKSIZE bytes, issue a HTTP 500 error.
//
if req.ContentLength > BLOCKSIZE {
- log.Printf("%s %s %d %d", req.Method, hash, TooLongError.HTTPCode, req.ContentLength)
http.Error(resp, TooLongError.Error(), TooLongError.HTTPCode)
return
}
buf := make([]byte, req.ContentLength)
nread, err := io.ReadFull(req.Body, buf)
if err != nil {
- log.Printf("%s %s %d %d", req.Method, hash, 500, req.ContentLength)
http.Error(resp, err.Error(), 500)
} else if int64(nread) < req.ContentLength {
- log.Printf("%s %s %d %d", req.Method, hash, 500, req.ContentLength)
http.Error(resp, "request truncated", 500)
} else {
if err := PutBlock(buf, hash); err == nil {
expiry := time.Now().Add(permission_ttl)
return_hash = SignLocator(return_hash, api_token, expiry)
}
- log.Printf("%s %s %d %d", req.Method, hash, 200, req.ContentLength)
resp.Write([]byte(return_hash + "\n"))
} else {
ke := err.(*KeepError)
- log.Printf("%s %s %d %d", req.Method, hash, ke.HTTPCode, req.ContentLength)
http.Error(resp, ke.Error(), ke.HTTPCode)
}
}
// A HandleFunc to address /index and /index/{prefix} requests.
//
func IndexHandler(resp http.ResponseWriter, req *http.Request) {
- prefix := mux.Vars(req)["prefix"]
-
- // Only the data manager may issue /index requests,
- // and only if enforce_permissions is enabled.
- // All other requests return 403 Forbidden.
- api_token := GetApiToken(req)
- if !enforce_permissions ||
- api_token == "" ||
- data_manager_token != api_token {
- http.Error(resp, PermissionError.Error(), PermissionError.HTTPCode)
+ // Reject unauthorized requests.
+ if !IsDataManagerToken(GetApiToken(req)) {
+ http.Error(resp, UnauthorizedError.Error(), UnauthorizedError.HTTPCode)
return
}
+
+ prefix := mux.Vars(req)["prefix"]
+
var index string
for _, vol := range KeepVM.Volumes() {
index = index + vol.Index(prefix)
//
func DeleteHandler(resp http.ResponseWriter, req *http.Request) {
hash := mux.Vars(req)["hash"]
- log.Printf("%s %s", req.Method, hash)
// Confirm that this user is an admin and has a token with unlimited scope.
var tok = GetApiToken(req)
// Reject unauthorized requests.
if !IsDataManagerToken(GetApiToken(req)) {
http.Error(resp, UnauthorizedError.Error(), UnauthorizedError.HTTPCode)
- log.Printf("%s %s: %s\n", req.Method, req.URL, UnauthorizedError.Error())
return
}
r := json.NewDecoder(req.Body)
if err := r.Decode(&pr); err != nil {
http.Error(resp, BadRequestError.Error(), BadRequestError.HTTPCode)
- log.Printf("%s %s: %s\n", req.Method, req.URL, err.Error())
return
}
// We have a properly formatted pull list sent from the data
// manager. Report success and send the list to the pull list
// manager for further handling.
- log.Printf("%s %s: received %v\n", req.Method, req.URL, pr)
resp.WriteHeader(http.StatusOK)
resp.Write([]byte(
fmt.Sprintf("Received %d pull requests\n", len(pr))))
// Reject unauthorized requests.
if !IsDataManagerToken(GetApiToken(req)) {
http.Error(resp, UnauthorizedError.Error(), UnauthorizedError.HTTPCode)
- log.Printf("%s %s: %s\n", req.Method, req.URL, UnauthorizedError.Error())
return
}
r := json.NewDecoder(req.Body)
if err := r.Decode(&trash); err != nil {
http.Error(resp, BadRequestError.Error(), BadRequestError.HTTPCode)
- log.Printf("%s %s: %s\n", req.Method, req.URL, err.Error())
return
}
// We have a properly formatted trash list sent from the data
// manager. Report success and send the list to the trash work
// queue for further handling.
- log.Printf("%s %s: received %v\n", req.Method, req.URL, trash)
resp.WriteHeader(http.StatusOK)
resp.Write([]byte(
fmt.Sprintf("Received %d trash requests\n", len(trash))))
func IsDataManagerToken(api_token string) bool {
return data_manager_token != "" && api_token == data_manager_token
}
+
+type LoggingResponseWriter struct {
+ status int
+ data []byte
+ http.ResponseWriter
+}
+
+func (loggingWriter *LoggingResponseWriter) WriteHeader(code int) {
+ loggingWriter.status = code
+ loggingWriter.ResponseWriter.WriteHeader(code)
+}
+
+func (loggingWriter *LoggingResponseWriter) Write(data []byte) (int, error){
+ loggingWriter.data = data
+ return loggingWriter.ResponseWriter.Write(data)
+}
+
+type WrapRESTRouter struct {
+ router *mux.Router
+}
+
+func (wrapper *WrapRESTRouter) ServeHTTP(resp http.ResponseWriter, req *http.Request) {
+ loggingWriter := LoggingResponseWriter{200, nil, resp}
+ wrapper.router.ServeHTTP(&loggingWriter, req)
+ if loggingWriter.data != nil && loggingWriter.status == 200 {
+ data_len := len(loggingWriter.data)
+ if data_len > 200 { // this could be a block, so just print the size
+ log.Printf("[%s] %s %s %d %d", req.RemoteAddr, req.Method, req.URL.Path[1:], loggingWriter.status, data_len)
+ } else { // this could be a hash or status or a small block etc
+ log.Printf("[%s] %s %s %d %s", req.RemoteAddr, req.Method, req.URL.Path[1:], loggingWriter.status, loggingWriter.data)
+ }
+ } else {
+ log.Printf("[%s] %s %s %d", req.RemoteAddr, req.Method, req.URL.Path[1:], loggingWriter.status)
+ }
+}