Merge pull request #25 from xetorthio/multipart_file_uploads

Add multipart upload to instances

handlers/file_upload.go

@@ -1,6 +1,7 @@
 package handlers
 
 import (
+	"io"
 	"log"
 	"net/http"
 
@@ -28,18 +29,34 @@ func FileUpload(rw http.ResponseWriter, req *http.Request) {
 		rw.WriteHeader(http.StatusOK)
 		return
 	} else {
-		// This is for multipart upload
-		log.Println("Not implemented yet")
-
-		/*
-			err := req.ParseMultipartForm(32 << 20)
+		red, err := req.MultipartReader()
+		if err != nil {
+			log.Println(err)
+			rw.WriteHeader(http.StatusBadRequest)
+			return
+		}
+		for {
+			p, err := red.NextPart()
+			if err == io.EOF {
+				break
+			}
 			if err != nil {
 				log.Println(err)
-				rw.WriteHeader(http.StatusBadRequest)
+				continue
+			}
+
+			if p.FileName() == "" {
+				continue
+			}
+			err = core.InstanceUploadFromReader(i, p.FileName(), p)
+			if err != nil {
+				log.Println(err)
+				rw.WriteHeader(http.StatusInternalServerError)
 				return
 			}
-		*/
-		rw.WriteHeader(http.StatusInternalServerError)
+			log.Printf("Uploaded [%s] to [%s]\n", p.FileName(), i.Name)
+		}
+		rw.WriteHeader(http.StatusOK)
 		return
 	}
 

pwd/instance.go

@@ -133,6 +133,18 @@ func (p *pwd) InstanceUploadFromUrl(instance *Instance, url string) error {
 	return nil
 }
 
+func (p *pwd) InstanceUploadFromReader(instance *Instance, fileName string, reader io.Reader) error {
+	defer observeAction("InstanceUploadFromReader", time.Now())
+
+	copyErr := p.docker.CopyToContainer(instance.Name, "/var/run/pwd/uploads", fileName, reader)
+
+	if copyErr != nil {
+		return fmt.Errorf("Error while uploading file [%s]. Error: %s\n", fileName, copyErr)
+	}
+
+	return nil
+}
+
 func (p *pwd) InstanceGet(session *Session, name string) *Instance {
 	defer observeAction("InstanceGet", time.Now())
 	return session.Instances[name]

pwd/pwd.go

@@ -1,6 +1,7 @@
 package pwd
 
 import (
+	"io"
 	"sync"
 	"time"
 
@@ -65,6 +66,7 @@ type PWDApi interface {
 	InstanceResizeTerminal(instance *Instance, cols, rows uint) error
 	InstanceAttachTerminal(instance *Instance) error
 	InstanceUploadFromUrl(instance *Instance, url string) error
+	InstanceUploadFromReader(instance *Instance, filename string, reader io.Reader) error
 	InstanceGet(session *Session, name string) *Instance
 	InstanceFindByIP(ip string) *Instance
 	InstanceFindByAlias(sessionPrefix, alias string) *Instance