mirror of
https://github.com/seaweedfs/seaweedfs.git
synced 2024-01-19 02:48:24 +00:00
68 lines
2.2 KiB
Go
68 lines
2.2 KiB
Go
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package weed_server
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import (
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"bytes"
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"crypto/md5"
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"encoding/base64"
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"fmt"
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"io/ioutil"
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"net/http"
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"strings"
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"github.com/chrislusf/seaweedfs/weed/glog"
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)
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func checkContentMD5(w http.ResponseWriter, r *http.Request) (err error) {
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if contentMD5 := r.Header.Get("Content-MD5"); contentMD5 != "" {
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buf, _ := ioutil.ReadAll(r.Body)
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//checkMD5
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sum := md5.Sum(buf)
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fileDataMD5 := base64.StdEncoding.EncodeToString(sum[0:len(sum)])
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if strings.ToLower(fileDataMD5) != strings.ToLower(contentMD5) {
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glog.V(0).Infof("fileDataMD5 [%s] is not equal to Content-MD5 [%s]", fileDataMD5, contentMD5)
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err = fmt.Errorf("MD5 check failed")
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writeJsonError(w, r, http.StatusNotAcceptable, err)
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return
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}
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//reconstruct http request body for following new request to volume server
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r.Body = ioutil.NopCloser(bytes.NewBuffer(buf))
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}
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return
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}
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func (fs *FilerServer) monolithicUploadAnalyzer(w http.ResponseWriter, r *http.Request, replication, collection string) (fileId, urlLocation string, err error) {
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/*
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Amazon S3 ref link:[http://docs.aws.amazon.com/AmazonS3/latest/API/Welcome.html]
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There is a long way to provide a completely compatibility against all Amazon S3 API, I just made
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a simple data stream adapter between S3 PUT API and seaweedfs's volume storage Write API
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1. The request url format should be http://$host:$port/$bucketName/$objectName
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2. bucketName will be mapped to seaweedfs's collection name
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3. You could customize and make your enhancement.
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*/
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lastPos := strings.LastIndex(r.URL.Path, "/")
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if lastPos == -1 || lastPos == 0 || lastPos == len(r.URL.Path)-1 {
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glog.V(0).Infoln("URL Path [%s] is invalid, could not retrieve file name", r.URL.Path)
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err = fmt.Errorf("URL Path is invalid")
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writeJsonError(w, r, http.StatusInternalServerError, err)
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return
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}
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if err = checkContentMD5(w, r); err != nil {
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return
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}
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fileName := r.URL.Path[lastPos+1:]
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if err = multipartHttpBodyBuilder(w, r, fileName); err != nil {
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return
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}
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secondPos := strings.Index(r.URL.Path[1:], "/") + 1
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collection = r.URL.Path[1:secondPos]
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path := r.URL.Path
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if fileId, urlLocation, err = fs.queryFileInfoByPath(w, r, path); err == nil && fileId == "" {
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fileId, urlLocation, err = fs.assignNewFileInfo(w, r, replication, collection)
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}
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return
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}
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