mirror of
https://github.com/GNS3/gns3-server
synced 2024-12-27 09:18:09 +00:00
239 lines
7.6 KiB
Python
239 lines
7.6 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2015 GNS3 Technologies Inc.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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API endpoints for projects.
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"""
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import os
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import logging
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log = logging.getLogger()
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from fastapi import APIRouter, Depends, HTTPException, Request, status
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from fastapi.encoders import jsonable_encoder
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from fastapi.responses import FileResponse
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from typing import List
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from uuid import UUID
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from gns3server.compute.project_manager import ProjectManager
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from gns3server.compute.project import Project
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from gns3server.endpoints import schemas
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router = APIRouter()
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# How many clients have subscribed to notifications
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_notifications_listening = {}
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def dep_project(project_id: UUID):
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"""
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Dependency to retrieve a project.
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"""
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pm = ProjectManager.instance()
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project = pm.get_project(str(project_id))
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return project
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@router.get("/projects", response_model=List[schemas.Project])
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def get_projects():
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"""
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Get all projects opened on the compute.
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"""
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pm = ProjectManager.instance()
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return [p.__json__() for p in pm.projects]
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@router.post("/projects",
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status_code=status.HTTP_201_CREATED,
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response_model=schemas.Project)
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def create_project(project_data: schemas.ProjectCreate):
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"""
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Create a new project on the compute.
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"""
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pm = ProjectManager.instance()
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project_data = jsonable_encoder(project_data, exclude_unset=True)
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project = pm.create_project(name=project_data.get("name"),
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path=project_data.get("path"),
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project_id=project_data.get("project_id"),
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variables=project_data.get("variables", None))
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return project.__json__()
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@router.put("/projects/{project_id}",
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response_model=schemas.Project)
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async def update_project(project_data: schemas.ProjectUpdate, project: Project = Depends(dep_project)):
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"""
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Update project on the compute.
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"""
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await project.update(variables=project_data.variables)
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return project.__json__()
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@router.get("/projects/{project_id}",
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response_model=schemas.Project)
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def get_project(project: Project = Depends(dep_project)):
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"""
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Return a project from the compute.
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"""
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return project.__json__()
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@router.post("/projects/{project_id}/close",
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status_code=status.HTTP_204_NO_CONTENT)
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async def close_project(project: Project = Depends(dep_project)):
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"""
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Close a project on the compute.
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"""
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# FIXME
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if _notifications_listening.setdefault(project.id, 0) <= 1:
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await project.close()
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ProjectManager.instance().remove_project(project.id)
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try:
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del _notifications_listening[project.id]
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except KeyError:
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pass
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else:
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log.warning("Skip project closing, another client is listening for project notifications")
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@router.delete("/projects/{project_id}",
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status_code=status.HTTP_204_NO_CONTENT)
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async def delete_project(project: Project = Depends(dep_project)):
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"""
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Delete project from the compute.
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"""
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await project.delete()
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ProjectManager.instance().remove_project(project.id)
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# @Route.get(
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# r"/projects/{project_id}/notifications",
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# description="Receive notifications about the project",
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# parameters={
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# "project_id": "Project UUID",
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# },
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# status_codes={
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# 200: "End of stream",
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# 404: "The project doesn't exist"
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# })
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# async def notification(request, response):
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#
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# pm = ProjectManager.instance()
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# project = pm.get_project(request.match_info["project_id"])
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#
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# response.content_type = "application/json"
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# response.set_status(200)
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# response.enable_chunked_encoding()
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#
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# response.start(request)
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# queue = project.get_listen_queue()
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# ProjectHandler._notifications_listening.setdefault(project.id, 0)
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# ProjectHandler._notifications_listening[project.id] += 1
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# await response.write("{}\n".format(json.dumps(ProjectHandler._getPingMessage())).encode("utf-8"))
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# while True:
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# try:
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# (action, msg) = await asyncio.wait_for(queue.get(), 5)
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# if hasattr(msg, "__json__"):
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# msg = json.dumps({"action": action, "event": msg.__json__()}, sort_keys=True)
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# else:
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# msg = json.dumps({"action": action, "event": msg}, sort_keys=True)
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# log.debug("Send notification: %s", msg)
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# await response.write(("{}\n".format(msg)).encode("utf-8"))
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# except asyncio.TimeoutError:
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# await response.write("{}\n".format(json.dumps(ProjectHandler._getPingMessage())).encode("utf-8"))
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# project.stop_listen_queue(queue)
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# if project.id in ProjectHandler._notifications_listening:
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# ProjectHandler._notifications_listening[project.id] -= 1
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# def _getPingMessage(cls):
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# """
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# Ping messages are regularly sent to the client to
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# keep the connection open. We send with it some information about server load.
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#
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# :returns: hash
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# """
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# stats = {}
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# # Non blocking call in order to get cpu usage. First call will return 0
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# stats["cpu_usage_percent"] = CpuPercent.get(interval=None)
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# stats["memory_usage_percent"] = psutil.virtual_memory().percent
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# stats["disk_usage_percent"] = psutil.disk_usage(get_default_project_directory()).percent
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# return {"action": "ping", "event": stats}
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@router.get("/projects/{project_id}/files",
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response_model=List[schemas.ProjectFile])
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async def get_project_files(project: Project = Depends(dep_project)):
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"""
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Return files belonging to a project.
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"""
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return await project.list_files()
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@router.get("/projects/{project_id}/files/{file_path:path}")
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async def get_file(file_path: str, project: Project = Depends(dep_project)):
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"""
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Get a file from a project.
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"""
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path = os.path.normpath(file_path)
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# Raise error if user try to escape
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if path[0] == ".":
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raise HTTPException(status_code=status.HTTP_403_FORBIDDEN)
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path = os.path.join(project.path, path)
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if not os.path.exists(path):
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raise HTTPException(status_code=status.HTTP_404_NOT_FOUND)
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return FileResponse(path, media_type="application/octet-stream")
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@router.post("/projects/{project_id}/files/{file_path:path}",
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status_code=status.HTTP_204_NO_CONTENT)
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async def write_file(file_path: str, request: Request, project: Project = Depends(dep_project)):
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path = os.path.normpath(file_path)
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# Raise error if user try to escape
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if path[0] == ".":
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raise HTTPException(status_code=status.HTTP_403_FORBIDDEN)
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path = os.path.join(project.path, path)
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try:
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os.makedirs(os.path.dirname(path), exist_ok=True)
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try:
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with open(path, "wb+") as f:
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async for chunk in request.stream():
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f.write(chunk)
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except (UnicodeEncodeError, OSError) as e:
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pass # FIXME
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except FileNotFoundError:
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raise HTTPException(status_code=status.HTTP_404_NOT_FOUND)
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except PermissionError:
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raise HTTPException(status_code=status.HTTP_403_FORBIDDEN)
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