mirror of
https://github.com/chrislusf/seaweedfs
synced 2024-09-06 00:50:37 +02:00
104 lines
2.2 KiB
Go
104 lines
2.2 KiB
Go
package storage
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import (
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"github.com/chrislusf/seaweedfs/weed/glog"
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"github.com/chrislusf/seaweedfs/weed/operation"
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"io/ioutil"
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"mime"
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"net/http"
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"path"
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"strconv"
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"strings"
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)
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func parseMultipart(r *http.Request) (
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fileName string, data []byte, mimeType string, isGzipped, isChunkedFile bool, e error) {
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form, fe := r.MultipartReader()
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if fe != nil {
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glog.V(0).Infoln("MultipartReader [ERROR]", fe)
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e = fe
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return
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}
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//first multi-part item
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part, fe := form.NextPart()
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if fe != nil {
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glog.V(0).Infoln("Reading Multi part [ERROR]", fe)
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e = fe
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return
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}
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fileName = part.FileName()
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if fileName != "" {
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fileName = path.Base(fileName)
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}
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data, e = ioutil.ReadAll(part)
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if e != nil {
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glog.V(0).Infoln("Reading Content [ERROR]", e)
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return
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}
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//if the filename is empty string, do a search on the other multi-part items
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for fileName == "" {
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part2, fe := form.NextPart()
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if fe != nil {
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break // no more or on error, just safely break
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}
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fName := part2.FileName()
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//found the first <file type> multi-part has filename
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if fName != "" {
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data2, fe2 := ioutil.ReadAll(part2)
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if fe2 != nil {
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glog.V(0).Infoln("Reading Content [ERROR]", fe2)
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e = fe2
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return
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}
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//update
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data = data2
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fileName = path.Base(fName)
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break
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}
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}
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isChunkedFile, _ = strconv.ParseBool(r.FormValue("cm"))
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if !isChunkedFile {
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dotIndex := strings.LastIndex(fileName, ".")
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ext, mtype := "", ""
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if dotIndex > 0 {
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ext = strings.ToLower(fileName[dotIndex:])
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mtype = mime.TypeByExtension(ext)
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}
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contentType := part.Header.Get("Content-Type")
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if contentType != "" && mtype != contentType {
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mimeType = contentType //only return mime type if not deductable
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mtype = contentType
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}
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if part.Header.Get("Content-Encoding") == "gzip" {
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isGzipped = true
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} else if operation.IsGzippable(ext, mtype) {
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if data, e = operation.GzipData(data); e != nil {
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return
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}
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isGzipped = true
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}
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if ext == ".gz" {
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if strings.HasSuffix(fileName, ".css.gz") ||
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strings.HasSuffix(fileName, ".html.gz") ||
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strings.HasSuffix(fileName, ".txt.gz") ||
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strings.HasSuffix(fileName, ".js.gz") {
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fileName = fileName[:len(fileName)-3]
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isGzipped = true
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}
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}
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}
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return
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}
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