Correct method for new file/directory

Former-commit-id: ba718c759c20ea2fc0b6e443d410a026cdf731e7 [formerly 27ca216e8773da64bd81251d138661d95707bee6] [formerly 2dea38f7a513d75504ca881936853986892fb7ca [formerly d0e7631bc8]]
Former-commit-id: 92ef66d89f03a418479dfff7c8c1e0aca46318f6 [formerly 05be2809de4e8c28616feb41385135a21ce78420]
Former-commit-id: 39f3711265d5e945c0c7c6a88c80ad8603a1aa77

_assets/src/components/Listing.vue

@@ -164,7 +164,7 @@ export default {
       let promises = []
 
       for (let file of files) {
-        promises.push(api.put(this.$route.path + base + file.name, file))
+        promises.push(api.post(this.$route.path + base + file.name, file))
       }
 
       Promise.all(promises)

_assets/src/components/Main.vue

@@ -202,7 +202,7 @@ export default {
 
       // Del!
       if (event.keyCode === 46) {
-        if (this.showDeleteButton()) {
+        if (this.showDeleteButton) {
           this.$store.commit('showHover', 'delete')
         }
       }
@@ -215,7 +215,7 @@ export default {
 
       // F2!
       if (event.keyCode === 113) {
-        if (this.showRenameButton()) {
+        if (this.showRenameButton) {
           this.$store.commit('showHover', 'rename')
         }
       }

_assets/src/components/prompts/NewDir.vue

@@ -34,7 +34,7 @@ export default {
       uri += this.name + '/'
       uri = uri.replace('//', '/')
 
-      api.put(uri)
+      api.post(uri)
         .then(() => {
           this.$router.push({ path: uri })
         })

_assets/src/components/prompts/NewFile.vue

@@ -34,7 +34,7 @@ export default {
       uri += this.name
       uri = uri.replace('//', '/')
 
-      api.put(uri)
+      api.post(uri)
         .then(() => {
           this.$router.push({ path: uri })
         })

_assets/src/utils/api.js

@@ -57,6 +57,27 @@ function rm (url) {
   })
 }
 
+function post (url, content = '') {
+  url = removePrefix(url)
+
+  return new Promise((resolve, reject) => {
+    let request = new window.XMLHttpRequest()
+    request.open('POST', `${store.state.baseURL}/api/resource${url}`, true)
+    request.setRequestHeader('Authorization', `Bearer ${store.state.jwt}`)
+
+    request.onload = () => {
+      if (request.status === 200) {
+        resolve(request.responseText)
+      } else {
+        reject(request.responseText)
+      }
+    }
+
+    request.onerror = (error) => reject(error)
+    request.send(content)
+  })
+}
+
 function put (url, content = '') {
   url = removePrefix(url)
 
@@ -175,6 +196,7 @@ export default {
   checksum,
   move,
   put,
+  post,
   command,
   search,
   download

api.go

@@ -77,9 +77,11 @@ func resourceHandler(c *requestContext, w http.ResponseWriter, r *http.Request)
 	case http.MethodDelete:
 		return deleteHandler(c, w, r)
 	case http.MethodPut:
-		return putHandler(c, w, r)
+		return postPutHandler(c, w, r)
+	case http.MethodPatch:
+		return patchHandler(c, w, r)
 	case http.MethodPost:
-		return postHandler(c, w, r)
+		return postPutHandler(c, w, r)
 	}
 
 	/* // Execute beforeSave if it is a PUT request.
@@ -183,12 +185,30 @@ func deleteHandler(c *requestContext, w http.ResponseWriter, r *http.Request) (i
 	return http.StatusOK, nil
 }
 
-func putHandler(c *requestContext, w http.ResponseWriter, r *http.Request) (int, error) {
+func postPutHandler(c *requestContext, w http.ResponseWriter, r *http.Request) (int, error) {
+	// Checks if the current request is for a directory and not a file.
 	if strings.HasSuffix(r.URL.Path, "/") {
+		// If the method is PUT, we return 405 Method not Allowed, because
+		// POST should be used instead.
+		if r.Method == http.MethodPut {
+			return http.StatusMethodNotAllowed, nil
+		}
+
+		// Otherwise we try to create the directory.
 		err := c.us.FileSystem.Mkdir(context.TODO(), r.URL.Path, 0666)
 		return errorToHTTP(err, false), err
 	}
 
+	// If using POST method, we are trying to create a new file so it is not
+	// desirable to override an already existent file. Thus, we check
+	// if the file already exists. If so, we just return a 409 Conflict.
+	if r.Method == http.MethodPost {
+		if _, err := c.us.FileSystem.Stat(context.TODO(), r.URL.Path); err == nil {
+			return http.StatusConflict, nil
+		}
+	}
+
+	// Create/Open the file.
 	f, err := c.us.FileSystem.OpenFile(context.TODO(), r.URL.Path, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0666)
 	defer f.Close()
 
@@ -196,22 +216,25 @@ func putHandler(c *requestContext, w http.ResponseWriter, r *http.Request) (int,
 		return errorToHTTP(err, false), err
 	}
 
+	// Copies the new content for the file.
 	_, err = io.Copy(f, r.Body)
 	if err != nil {
 		return errorToHTTP(err, false), err
 	}
 
+	// Gets the info about the file.
 	fi, err := f.Stat()
 	if err != nil {
 		return errorToHTTP(err, false), err
 	}
 
+	// Writes the ETag Header.
 	etag := fmt.Sprintf(`"%x%x"`, fi.ModTime().UnixNano(), fi.Size())
 	w.Header().Set("ETag", etag)
 	return http.StatusOK, nil
 }
 
-func postHandler(c *requestContext, w http.ResponseWriter, r *http.Request) (int, error) {
+func patchHandler(c *requestContext, w http.ResponseWriter, r *http.Request) (int, error) {
 	dst := r.Header.Get("Destination")
 	dst, err := url.QueryUnescape(dst)
 	if err != nil {