Add support for file editor

handlers/bootstrap.go

@@ -68,8 +68,10 @@ func Register(extend HandlerExtender) {
 	corsRouter.HandleFunc("/sessions/{sessionId}/instances/{instanceName}/uploads", FileUpload).Methods("POST")
 	corsRouter.HandleFunc("/sessions/{sessionId}/instances/{instanceName}", DeleteInstance).Methods("DELETE")
 	corsRouter.HandleFunc("/sessions/{sessionId}/instances/{instanceName}/exec", Exec).Methods("POST")
+	corsRouter.HandleFunc("/sessions/{sessionId}/instances/{instanceName}/fstree", fsTree).Methods("GET")
+	corsRouter.HandleFunc("/sessions/{sessionId}/instances/{instanceName}/file", file).Methods("GET")
 
-	r.HandleFunc("/sessions/{sessionId}/instances/{instanceName}/editor.html", func(rw http.ResponseWriter, r *http.Request) {
+	r.HandleFunc("/sessions/{sessionId}/instances/{instanceName}/editor", func(rw http.ResponseWriter, r *http.Request) {
 		http.ServeFile(rw, r, "www/editor.html")
 	})
 

handlers/file_instance.go

@@ -0,0 +1,53 @@
+package handlers
+
+import (
+	"encoding/base64"
+	"io"
+	"log"
+	"net/http"
+
+	"github.com/gorilla/mux"
+)
+
+func file(rw http.ResponseWriter, req *http.Request) {
+	vars := mux.Vars(req)
+	sessionId := vars["sessionId"]
+	instanceName := vars["instanceName"]
+
+	query := req.URL.Query()
+
+	path := query.Get("path")
+
+	if path == "" {
+		rw.WriteHeader(http.StatusBadRequest)
+		return
+	}
+
+	s, _ := core.SessionGet(sessionId)
+	if s == nil {
+		rw.WriteHeader(http.StatusNotFound)
+		return
+	}
+
+	i := core.InstanceGet(s, instanceName)
+	if i == nil {
+		rw.WriteHeader(http.StatusNotFound)
+		return
+	}
+
+	instanceFile, err := core.InstanceFile(i, path)
+
+	if err != nil {
+		log.Println(err)
+		rw.WriteHeader(http.StatusInternalServerError)
+		return
+	}
+
+	encoder := base64.NewEncoder(base64.StdEncoding, rw)
+
+	if _, err = io.Copy(encoder, instanceFile); err != nil {
+		log.Println(err)
+		rw.WriteHeader(http.StatusInternalServerError)
+		return
+	}
+}

handlers/fstree_instance.go

@@ -0,0 +1,42 @@
+package handlers
+
+import (
+	"io"
+	"log"
+	"net/http"
+
+	"github.com/gorilla/mux"
+)
+
+func fsTree(rw http.ResponseWriter, req *http.Request) {
+	vars := mux.Vars(req)
+	sessionId := vars["sessionId"]
+	instanceName := vars["instanceName"]
+
+	s, _ := core.SessionGet(sessionId)
+	if s == nil {
+		rw.WriteHeader(http.StatusNotFound)
+		return
+	}
+
+	i := core.InstanceGet(s, instanceName)
+	if i == nil {
+		rw.WriteHeader(http.StatusNotFound)
+		return
+	}
+
+	tree, err := core.InstanceFSTree(i)
+
+	if err != nil {
+		log.Println(err)
+		rw.WriteHeader(http.StatusInternalServerError)
+		return
+	}
+
+	rw.Header().Set("content-type", "application/json")
+	if _, err = io.Copy(rw, tree); err != nil {
+		log.Println(err)
+		rw.WriteHeader(http.StatusInternalServerError)
+		return
+	}
+}