API for editing a file on a Node

gns3server/controller/compute.py

@@ -358,7 +358,7 @@ class Compute:
         return "{}://{}:{}/v2/compute{}".format(self._protocol, self._host, self._port, path)
 
     @asyncio.coroutine
-    def _run_http_query(self, method, path, data=None, timeout=10):
+    def _run_http_query(self, method, path, data=None, timeout=10, raw=False):
         with Timeout(timeout):
             url = self._getUrl(path)
             headers = {}
@@ -370,20 +370,20 @@ class Compute:
                 if hasattr(data, '__json__'):
                     data = json.dumps(data.__json__())
                 # Stream the request
-                elif isinstance(data, aiohttp.streams.StreamReader) or isinstance(data, io.BufferedIOBase):
+                elif isinstance(data, aiohttp.streams.StreamReader) or isinstance(data, io.BufferedIOBase) or isinstance(data, bytes):
                     chunked = True
                     headers['content-type'] = 'application/octet-stream'
                 else:
                     data = json.dumps(data)
 
-            response = yield from self._session().request(method, url, headers=headers, data=data, auth=self._auth, chunked=chunked)
+        response = yield from self._session().request(method, url, headers=headers, data=data, auth=self._auth, chunked=chunked)
         body = yield from response.read()
-        if body:
+        if body and not raw:
             body = body.decode()
 
         if response.status >= 300:
             # Try to decode the GNS3 error
-            if body:
+            if body and not raw:
                 try:
                     msg = json.loads(body)["message"]
                 except (KeyError, ValueError):
@@ -412,12 +412,16 @@ class Compute:
             else:
                 raise NotImplementedError("{} status code is not supported".format(response.status))
         if body and len(body):
-            try:
-                response.json = json.loads(body)
-            except ValueError:
-                raise aiohttp.web.HTTPConflict(text="The server {} is not a GNS3 server".format(self._id))
+            if raw:
+                response.body = body
+            else:
+                try:
+                    response.json = json.loads(body)
+                except ValueError:
+                    raise aiohttp.web.HTTPConflict(text="The server {} is not a GNS3 server".format(self._id))
         else:
             response.json = {}
+            response.body = b""
         return response
 
     @asyncio.coroutine

gns3server/handlers/api/controller/node_handler.py

@@ -15,6 +15,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+import os
 import aiohttp
 
 from gns3server.web.route import Route
@@ -314,3 +315,77 @@ class NodeHandler:
         idle = yield from node.dynamips_idlepc_proposals()
         response.json(idle)
         response.set_status(200)
+
+    @Route.get(
+        r"/projects/{project_id}/nodes/{node_id}/files/{path:.+}",
+        parameters={
+            "project_id": "Project UUID",
+            "node_id": "Node UUID"
+        },
+        status_codes={
+            204: "Instance reloaded",
+            400: "Invalid request",
+            404: "Instance doesn't exist"
+        },
+        description="Get a file in the node directory")
+    def get_file(request, response):
+
+        project = Controller.instance().get_project(request.match_info["project_id"])
+        node = project.get_node(request.match_info["node_id"])
+        path = request.match_info["path"]
+        path = os.path.normpath(path)
+
+        # Raise error if user try to escape
+        if path[0] == ".":
+            raise aiohttp.web.HTTPForbidden
+
+        node_type = node.node_type
+        if node_type == "dynamips":
+            path = "/project-files/{}/{}".format(node_type, path)
+        else:
+            path = "/project-files/{}/{}/{}".format(node_type, node.id, path)
+
+        res = yield from node.compute.http_query("GET", "/projects/{project_id}/files{path}".format(project_id=project.id, path=path), timeout=None, raw=True)
+        response.set_status(200)
+        response.content_type = "application/octet-stream"
+        response.enable_chunked_encoding()
+        response.content_length = None
+        response.start(request)
+
+        response.write(res.body)
+        yield from response.write_eof()
+
+    @Route.post(
+        r"/projects/{project_id}/nodes/{node_id}/files/{path:.+}",
+        parameters={
+            "project_id": "Project UUID",
+            "node_id": "Node UUID"
+        },
+        status_codes={
+            204: "Instance reloaded",
+            400: "Invalid request",
+            404: "Instance doesn't exist"
+        },
+        raw=True,
+        description="Write a file in the node directory")
+    def post_file(request, response):
+
+        project = Controller.instance().get_project(request.match_info["project_id"])
+        node = project.get_node(request.match_info["node_id"])
+        path = request.match_info["path"]
+        path = os.path.normpath(path)
+
+        # Raise error if user try to escape
+        if path[0] == ".":
+            raise aiohttp.web.HTTPForbidden
+
+        node_type = node.node_type
+        if node_type == "dynamips":
+            path = "/project-files/{}/{}".format(node_type, path)
+        else:
+            path = "/project-files/{}/{}/{}".format(node_type, node.id, path)
+
+        data = yield from request.content.read()
+
+        res = yield from node.compute.http_query("POST", "/projects/{project_id}/files{path}".format(project_id=project.id, path=path), data=data, timeout=None, raw=True)
+        response.set_status(201)

tests/handlers/api/controller/test_node.py

@@ -199,3 +199,28 @@ def test_dynamips_idlepc_proposals(http_controller, tmpdir, project, compute, no
     response = http_controller.get("/projects/{}/nodes/{}/dynamips/idlepc_proposals".format(project.id, node.id), example=True)
     assert response.status == 200
     assert response.json == ["0x60606f54", "0x33805a22"]
+
+
+def test_get_file(http_controller, tmpdir, project, node, compute):
+    response = MagicMock()
+    response.body = b"world"
+    compute.http_query = AsyncioMagicMock(return_value=response)
+    response = http_controller.get("/projects/{project_id}/nodes/{node_id}/files/hello".format(project_id=project.id, node_id=node.id), raw=True)
+    assert response.status == 200
+    assert response.body == b'world'
+
+    compute.http_query.assert_called_with("GET", "/projects/{project_id}/files/project-files/vpcs/{node_id}/hello".format(project_id=project.id, node_id=node.id), timeout=None, raw=True)
+
+    response = http_controller.get("/projects/{project_id}/nodes/{node_id}/files/../hello".format(project_id=project.id, node_id=node.id), raw=True)
+    assert response.status == 403
+
+
+def test_post_file(http_controller, tmpdir, project, node, compute):
+    compute.http_query = AsyncioMagicMock()
+    response = http_controller.post("/projects/{project_id}/nodes/{node_id}/files/hello".format(project_id=project.id, node_id=node.id), body=b"hello", raw=True)
+    assert response.status == 201
+
+    compute.http_query.assert_called_with("POST", "/projects/{project_id}/files/project-files/vpcs/{node_id}/hello".format(project_id=project.id, node_id=node.id), data=b'hello', timeout=None, raw=True)
+
+    response = http_controller.get("/projects/{project_id}/nodes/{node_id}/files/../hello".format(project_id=project.id, node_id=node.id), raw=True)
+    assert response.status == 403