mirror of
https://github.com/seaweedfs/seaweedfs.git
synced 2024-12-15 19:26:42 +08:00
341 lines
9.6 KiB
Go
341 lines
9.6 KiB
Go
package weed_server
|
|
|
|
import (
|
|
"io"
|
|
"mime"
|
|
"mime/multipart"
|
|
"net/http"
|
|
"strconv"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/chrislusf/weed-fs/go/glog"
|
|
"github.com/chrislusf/weed-fs/go/images"
|
|
"github.com/chrislusf/weed-fs/go/operation"
|
|
"github.com/chrislusf/weed-fs/go/stats"
|
|
"github.com/chrislusf/weed-fs/go/storage"
|
|
"github.com/chrislusf/weed-fs/go/topology"
|
|
)
|
|
|
|
var fileNameEscaper = strings.NewReplacer("\\", "\\\\", "\"", "\\\"")
|
|
|
|
func (vs *VolumeServer) storeHandler(w http.ResponseWriter, r *http.Request) {
|
|
switch r.Method {
|
|
case "GET":
|
|
stats.ReadRequest()
|
|
vs.GetOrHeadHandler(w, r)
|
|
case "HEAD":
|
|
stats.ReadRequest()
|
|
vs.GetOrHeadHandler(w, r)
|
|
case "DELETE":
|
|
stats.DeleteRequest()
|
|
vs.guard.Secure(vs.DeleteHandler)(w, r)
|
|
case "PUT":
|
|
stats.WriteRequest()
|
|
vs.guard.Secure(vs.PostHandler)(w, r)
|
|
case "POST":
|
|
stats.WriteRequest()
|
|
vs.guard.Secure(vs.PostHandler)(w, r)
|
|
}
|
|
}
|
|
|
|
func (vs *VolumeServer) GetOrHeadHandler(w http.ResponseWriter, r *http.Request) {
|
|
n := new(storage.Needle)
|
|
vid, fid, filename, ext, _ := parseURLPath(r.URL.Path)
|
|
volumeId, err := storage.NewVolumeId(vid)
|
|
if err != nil {
|
|
glog.V(2).Infoln("parsing error:", err, r.URL.Path)
|
|
w.WriteHeader(http.StatusBadRequest)
|
|
return
|
|
}
|
|
err = n.ParsePath(fid)
|
|
if err != nil {
|
|
glog.V(2).Infoln("parsing fid error:", err, r.URL.Path)
|
|
w.WriteHeader(http.StatusBadRequest)
|
|
return
|
|
}
|
|
|
|
glog.V(4).Infoln("volume", volumeId, "reading", n)
|
|
if !vs.store.HasVolume(volumeId) {
|
|
lookupResult, err := operation.Lookup(vs.masterNode, volumeId.String())
|
|
glog.V(2).Infoln("volume", volumeId, "found on", lookupResult, "error", err)
|
|
if err == nil && len(lookupResult.Locations) > 0 {
|
|
http.Redirect(w, r, "http://"+lookupResult.Locations[0].PublicUrl+r.URL.Path, http.StatusMovedPermanently)
|
|
} else {
|
|
glog.V(2).Infoln("lookup error:", err, r.URL.Path)
|
|
w.WriteHeader(http.StatusNotFound)
|
|
}
|
|
return
|
|
}
|
|
cookie := n.Cookie
|
|
count, e := vs.store.Read(volumeId, n)
|
|
glog.V(4).Infoln("read bytes", count, "error", e)
|
|
if e != nil || count <= 0 {
|
|
glog.V(0).Infoln("read error:", e, r.URL.Path)
|
|
w.WriteHeader(http.StatusNotFound)
|
|
return
|
|
}
|
|
if n.Cookie != cookie {
|
|
glog.V(0).Infoln("request", r.URL.Path, "with unmaching cookie seen:", cookie, "expected:", n.Cookie, "from", r.RemoteAddr, "agent", r.UserAgent())
|
|
w.WriteHeader(http.StatusNotFound)
|
|
return
|
|
}
|
|
if n.LastModified != 0 {
|
|
w.Header().Set("Last-Modified", time.Unix(int64(n.LastModified), 0).UTC().Format(http.TimeFormat))
|
|
if r.Header.Get("If-Modified-Since") != "" {
|
|
if t, parseError := time.Parse(http.TimeFormat, r.Header.Get("If-Modified-Since")); parseError == nil {
|
|
if t.Unix() >= int64(n.LastModified) {
|
|
w.WriteHeader(http.StatusNotModified)
|
|
return
|
|
}
|
|
}
|
|
}
|
|
}
|
|
etag := n.Etag()
|
|
if inm := r.Header.Get("If-None-Match"); inm == etag {
|
|
w.WriteHeader(http.StatusNotModified)
|
|
return
|
|
}
|
|
w.Header().Set("Etag", etag)
|
|
if n.NameSize > 0 && filename == "" {
|
|
filename = string(n.Name)
|
|
dotIndex := strings.LastIndex(filename, ".")
|
|
if dotIndex > 0 {
|
|
ext = filename[dotIndex:]
|
|
}
|
|
}
|
|
mtype := ""
|
|
if ext != "" {
|
|
mtype = mime.TypeByExtension(ext)
|
|
}
|
|
if n.MimeSize > 0 {
|
|
mt := string(n.Mime)
|
|
if mt != "application/octet-stream" {
|
|
mtype = mt
|
|
}
|
|
}
|
|
if mtype != "" {
|
|
w.Header().Set("Content-Type", mtype)
|
|
}
|
|
if filename != "" {
|
|
w.Header().Set("Content-Disposition", "filename=\""+fileNameEscaper.Replace(filename)+"\"")
|
|
}
|
|
if ext != ".gz" {
|
|
if n.IsGzipped() {
|
|
if strings.Contains(r.Header.Get("Accept-Encoding"), "gzip") {
|
|
w.Header().Set("Content-Encoding", "gzip")
|
|
} else {
|
|
if n.Data, err = storage.UnGzipData(n.Data); err != nil {
|
|
glog.V(0).Infoln("lookup error:", err, r.URL.Path)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if ext == ".png" || ext == ".jpg" || ext == ".gif" {
|
|
width, height := 0, 0
|
|
if r.FormValue("width") != "" {
|
|
width, _ = strconv.Atoi(r.FormValue("width"))
|
|
}
|
|
if r.FormValue("height") != "" {
|
|
height, _ = strconv.Atoi(r.FormValue("height"))
|
|
}
|
|
n.Data, _, _ = images.Resized(ext, n.Data, width, height)
|
|
}
|
|
|
|
w.Header().Set("Accept-Ranges", "bytes")
|
|
if r.Method == "HEAD" {
|
|
w.Header().Set("Content-Length", strconv.Itoa(len(n.Data)))
|
|
return
|
|
}
|
|
rangeReq := r.Header.Get("Range")
|
|
if rangeReq == "" {
|
|
w.Header().Set("Content-Length", strconv.Itoa(len(n.Data)))
|
|
if _, e = w.Write(n.Data); e != nil {
|
|
glog.V(0).Infoln("response write error:", e)
|
|
}
|
|
return
|
|
}
|
|
|
|
//the rest is dealing with partial content request
|
|
//mostly copy from src/pkg/net/http/fs.go
|
|
size := int64(len(n.Data))
|
|
ranges, err := parseRange(rangeReq, size)
|
|
if err != nil {
|
|
http.Error(w, err.Error(), http.StatusRequestedRangeNotSatisfiable)
|
|
return
|
|
}
|
|
if sumRangesSize(ranges) > size {
|
|
// The total number of bytes in all the ranges
|
|
// is larger than the size of the file by
|
|
// itself, so this is probably an attack, or a
|
|
// dumb client. Ignore the range request.
|
|
ranges = nil
|
|
return
|
|
}
|
|
if len(ranges) == 0 {
|
|
return
|
|
}
|
|
if len(ranges) == 1 {
|
|
// RFC 2616, Section 14.16:
|
|
// "When an HTTP message includes the content of a single
|
|
// range (for example, a response to a request for a
|
|
// single range, or to a request for a set of ranges
|
|
// that overlap without any holes), this content is
|
|
// transmitted with a Content-Range header, and a
|
|
// Content-Length header showing the number of bytes
|
|
// actually transferred.
|
|
// ...
|
|
// A response to a request for a single range MUST NOT
|
|
// be sent using the multipart/byteranges media type."
|
|
ra := ranges[0]
|
|
w.Header().Set("Content-Length", strconv.FormatInt(ra.length, 10))
|
|
w.Header().Set("Content-Range", ra.contentRange(size))
|
|
w.WriteHeader(http.StatusPartialContent)
|
|
if _, e = w.Write(n.Data[ra.start : ra.start+ra.length]); e != nil {
|
|
glog.V(0).Infoln("response write error:", e)
|
|
}
|
|
return
|
|
}
|
|
// process mulitple ranges
|
|
for _, ra := range ranges {
|
|
if ra.start > size {
|
|
http.Error(w, "Out of Range", http.StatusRequestedRangeNotSatisfiable)
|
|
return
|
|
}
|
|
}
|
|
sendSize := rangesMIMESize(ranges, mtype, size)
|
|
pr, pw := io.Pipe()
|
|
mw := multipart.NewWriter(pw)
|
|
w.Header().Set("Content-Type", "multipart/byteranges; boundary="+mw.Boundary())
|
|
sendContent := pr
|
|
defer pr.Close() // cause writing goroutine to fail and exit if CopyN doesn't finish.
|
|
go func() {
|
|
for _, ra := range ranges {
|
|
part, err := mw.CreatePart(ra.mimeHeader(mtype, size))
|
|
if err != nil {
|
|
pw.CloseWithError(err)
|
|
return
|
|
}
|
|
if _, err = part.Write(n.Data[ra.start : ra.start+ra.length]); err != nil {
|
|
pw.CloseWithError(err)
|
|
return
|
|
}
|
|
}
|
|
mw.Close()
|
|
pw.Close()
|
|
}()
|
|
if w.Header().Get("Content-Encoding") == "" {
|
|
w.Header().Set("Content-Length", strconv.FormatInt(sendSize, 10))
|
|
}
|
|
w.WriteHeader(http.StatusPartialContent)
|
|
io.CopyN(w, sendContent, sendSize)
|
|
|
|
}
|
|
|
|
func (vs *VolumeServer) PostHandler(w http.ResponseWriter, r *http.Request) {
|
|
if e := r.ParseForm(); e != nil {
|
|
glog.V(0).Infoln("form parse error:", e)
|
|
writeJsonError(w, r, e)
|
|
return
|
|
}
|
|
vid, _, _, _, _ := parseURLPath(r.URL.Path)
|
|
volumeId, ve := storage.NewVolumeId(vid)
|
|
if ve != nil {
|
|
glog.V(0).Infoln("NewVolumeId error:", ve)
|
|
writeJsonError(w, r, ve)
|
|
return
|
|
}
|
|
needle, ne := storage.NewNeedle(r, vs.FixJpgOrientation)
|
|
if ne != nil {
|
|
writeJsonError(w, r, ne)
|
|
return
|
|
}
|
|
|
|
ret := operation.UploadResult{}
|
|
size, errorStatus := topology.ReplicatedWrite(vs.masterNode, vs.store, volumeId, needle, r)
|
|
if errorStatus == "" {
|
|
w.WriteHeader(http.StatusCreated)
|
|
} else {
|
|
w.WriteHeader(http.StatusInternalServerError)
|
|
ret.Error = errorStatus
|
|
}
|
|
if needle.HasName() {
|
|
ret.Name = string(needle.Name)
|
|
}
|
|
ret.Size = size
|
|
writeJsonQuiet(w, r, ret)
|
|
}
|
|
|
|
func (vs *VolumeServer) DeleteHandler(w http.ResponseWriter, r *http.Request) {
|
|
n := new(storage.Needle)
|
|
vid, fid, _, _, _ := parseURLPath(r.URL.Path)
|
|
volumeId, _ := storage.NewVolumeId(vid)
|
|
n.ParsePath(fid)
|
|
|
|
glog.V(2).Infoln("deleting", n)
|
|
|
|
cookie := n.Cookie
|
|
count, ok := vs.store.Read(volumeId, n)
|
|
|
|
if ok != nil {
|
|
m := make(map[string]uint32)
|
|
m["size"] = 0
|
|
writeJsonQuiet(w, r, m)
|
|
return
|
|
}
|
|
|
|
if n.Cookie != cookie {
|
|
glog.V(0).Infoln("delete", r.URL.Path, "with unmaching cookie from ", r.RemoteAddr, "agent", r.UserAgent())
|
|
return
|
|
}
|
|
|
|
n.Size = 0
|
|
ret := topology.ReplicatedDelete(vs.masterNode, vs.store, volumeId, n, r)
|
|
|
|
if ret != 0 {
|
|
w.WriteHeader(http.StatusAccepted)
|
|
} else {
|
|
w.WriteHeader(http.StatusInternalServerError)
|
|
}
|
|
|
|
m := make(map[string]uint32)
|
|
m["size"] = uint32(count)
|
|
writeJsonQuiet(w, r, m)
|
|
}
|
|
|
|
//Experts only: takes multiple fid parameters. This function does not propagate deletes to replicas.
|
|
func (vs *VolumeServer) batchDeleteHandler(w http.ResponseWriter, r *http.Request) {
|
|
r.ParseForm()
|
|
var ret []operation.DeleteResult
|
|
for _, fid := range r.Form["fid"] {
|
|
vid, id_cookie, err := operation.ParseFileId(fid)
|
|
if err != nil {
|
|
ret = append(ret, operation.DeleteResult{Fid: fid, Error: err.Error()})
|
|
continue
|
|
}
|
|
n := new(storage.Needle)
|
|
volumeId, _ := storage.NewVolumeId(vid)
|
|
n.ParsePath(id_cookie)
|
|
glog.V(4).Infoln("batch deleting", n)
|
|
cookie := n.Cookie
|
|
if _, err := vs.store.Read(volumeId, n); err != nil {
|
|
ret = append(ret, operation.DeleteResult{Fid: fid, Error: err.Error()})
|
|
continue
|
|
}
|
|
if n.Cookie != cookie {
|
|
ret = append(ret, operation.DeleteResult{Fid: fid, Error: "File Random Cookie does not match."})
|
|
glog.V(0).Infoln("deleting", fid, "with unmaching cookie from ", r.RemoteAddr, "agent", r.UserAgent())
|
|
return
|
|
}
|
|
if size, err := vs.store.Delete(volumeId, n); err != nil {
|
|
ret = append(ret, operation.DeleteResult{Fid: fid, Error: err.Error()})
|
|
} else {
|
|
ret = append(ret, operation.DeleteResult{Fid: fid, Size: int(size)})
|
|
}
|
|
}
|
|
|
|
w.WriteHeader(http.StatusAccepted)
|
|
|
|
writeJsonQuiet(w, r, ret)
|
|
}
|