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gns3-server/gns3server/handlers/api/compute/nat_handler.py

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# -*- coding: utf-8 -*-
#
# Copyright (C) 2016 GNS3 Technologies Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# 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
from gns3server.web.route import Route
from gns3server.schemas.node import NODE_CAPTURE_SCHEMA
from gns3server.schemas.nio import NIO_SCHEMA
from gns3server.compute.builtin import Builtin
from aiohttp.web import HTTPConflict
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from gns3server.schemas.nat import (
NAT_CREATE_SCHEMA,
NAT_OBJECT_SCHEMA,
NAT_UPDATE_SCHEMA
)
class NatHandler:
"""
API entry points for nat
"""
@Route.post(
r"/projects/{project_id}/nat/nodes",
parameters={
"project_id": "Project UUID"
},
status_codes={
201: "Instance created",
400: "Invalid request",
409: "Conflict"
},
description="Create a new nat instance",
input=NAT_CREATE_SCHEMA,
output=NAT_OBJECT_SCHEMA)
async def create(request, response):
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builtin_manager = Builtin.instance()
node = await builtin_manager.create_node(request.json.pop("name"),
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request.match_info["project_id"],
request.json.get("node_id"),
node_type="nat",
ports=request.json.get("ports_mapping"))
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response.set_status(201)
response.json(node)
@Route.get(
r"/projects/{project_id}/nat/nodes/{node_id}",
parameters={
"project_id": "Project UUID",
"node_id": "Node UUID"
},
status_codes={
200: "Success",
400: "Invalid request",
404: "Instance doesn't exist"
},
description="Get a nat instance",
output=NAT_OBJECT_SCHEMA)
def show(request, response):
builtin_manager = Builtin.instance()
node = builtin_manager.get_node(request.match_info["node_id"], project_id=request.match_info["project_id"])
response.json(node)
@Route.put(
r"/projects/{project_id}/nat/nodes/{node_id}",
parameters={
"project_id": "Project UUID",
"node_id": "Node UUID"
},
status_codes={
200: "Instance updated",
400: "Invalid request",
404: "Instance doesn't exist",
409: "Conflict"
},
description="Update a nat instance",
input=NAT_UPDATE_SCHEMA,
output=NAT_OBJECT_SCHEMA)
def update(request, response):
builtin_manager = Builtin.instance()
node = builtin_manager.get_node(request.match_info["node_id"], project_id=request.match_info["project_id"])
for name, value in request.json.items():
if hasattr(node, name) and getattr(node, name) != value:
setattr(node, name, value)
node.updated()
response.json(node)
@Route.delete(
r"/projects/{project_id}/nat/nodes/{node_id}",
parameters={
"project_id": "Project UUID",
"node_id": "Node UUID"
},
status_codes={
204: "Instance deleted",
400: "Invalid request",
404: "Instance doesn't exist"
},
description="Delete a nat instance")
async def delete(request, response):
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builtin_manager = Builtin.instance()
await builtin_manager.delete_node(request.match_info["node_id"])
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response.set_status(204)
@Route.post(
r"/projects/{project_id}/nat/nodes/{node_id}/start",
parameters={
"project_id": "Project UUID",
"node_id": "Node UUID"
},
status_codes={
204: "Instance started",
400: "Invalid request",
404: "Instance doesn't exist"
},
description="Start a nat")
def start(request, response):
Builtin.instance().get_node(request.match_info["node_id"], project_id=request.match_info["project_id"])
response.set_status(204)
@Route.post(
r"/projects/{project_id}/nat/nodes/{node_id}/stop",
parameters={
"project_id": "Project UUID",
"node_id": "Node UUID"
},
status_codes={
204: "Instance stopped",
400: "Invalid request",
404: "Instance doesn't exist"
},
description="Stop a nat")
def stop(request, response):
Builtin.instance().get_node(request.match_info["node_id"], project_id=request.match_info["project_id"])
response.set_status(204)
@Route.post(
r"/projects/{project_id}/nat/nodes/{node_id}/suspend",
parameters={
"project_id": "Project UUID",
"node_id": "Node UUID"
},
status_codes={
204: "Instance suspended",
400: "Invalid request",
404: "Instance doesn't exist"
},
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description="Suspend a nat (does nothing)")
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def suspend(request, response):
Builtin.instance().get_node(request.match_info["node_id"], project_id=request.match_info["project_id"])
response.set_status(204)
@Route.post(
r"/projects/{project_id}/nat/nodes/{node_id}/adapters/{adapter_number:\d+}/ports/{port_number:\d+}/nio",
parameters={
"project_id": "Project UUID",
"node_id": "Node UUID",
"adapter_number": "Adapter on the nat (always 0)",
"port_number": "Port on the nat"
},
status_codes={
201: "NIO created",
400: "Invalid request",
404: "Instance doesn't exist"
},
description="Add a NIO to a nat instance",
input=NIO_SCHEMA,
output=NIO_SCHEMA)
async def create_nio(request, response):
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builtin_manager = Builtin.instance()
node = builtin_manager.get_node(request.match_info["node_id"], project_id=request.match_info["project_id"])
nio = builtin_manager.create_nio(request.json)
port_number = int(request.match_info["port_number"])
await node.add_nio(nio, port_number)
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response.set_status(201)
response.json(nio)
@Route.put(
r"/projects/{project_id}/nat/nodes/{node_id}/adapters/{adapter_number:\d+}/ports/{port_number:\d+}/nio",
parameters={
"project_id": "Project UUID",
"node_id": "Node UUID",
"adapter_number": "Network adapter where the nio is located",
"port_number": "Port from where the nio should be updated"
},
status_codes={
201: "NIO updated",
400: "Invalid request",
404: "Instance doesn't exist"
},
input=NIO_SCHEMA,
output=NIO_SCHEMA,
description="Update a NIO on a NAT instance")
async def update_nio(request, response):
builtin_manager = Builtin.instance()
node = builtin_manager.get_node(request.match_info["node_id"], project_id=request.match_info["project_id"])
port_number = int(request.match_info["port_number"])
nio = node.get_nio(port_number)
if "filters" in request.json:
nio.filters = request.json["filters"]
await node.update_nio(port_number, nio)
response.set_status(201)
response.json(request.json)
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@Route.delete(
r"/projects/{project_id}/nat/nodes/{node_id}/adapters/{adapter_number:\d+}/ports/{port_number:\d+}/nio",
parameters={
"project_id": "Project UUID",
"node_id": "Node UUID",
"adapter_number": "Adapter on the nat (always 0)",
"port_number": "Port on the nat"
},
status_codes={
204: "NIO deleted",
400: "Invalid request",
404: "Instance doesn't exist"
},
description="Remove a NIO from a nat instance")
async def delete_nio(request, response):
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builtin_manager = Builtin.instance()
node = builtin_manager.get_node(request.match_info["node_id"], project_id=request.match_info["project_id"])
port_number = int(request.match_info["port_number"])
await node.remove_nio(port_number)
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response.set_status(204)
@Route.post(
r"/projects/{project_id}/nat/nodes/{node_id}/adapters/{adapter_number:\d+}/ports/{port_number:\d+}/start_capture",
parameters={
"project_id": "Project UUID",
"node_id": "Node UUID",
"adapter_number": "Adapter on the nat (always 0)",
"port_number": "Port on the nat"
},
status_codes={
200: "Capture started",
400: "Invalid request",
404: "Instance doesn't exist"
},
description="Start a packet capture on a nat instance",
input=NODE_CAPTURE_SCHEMA)
async def start_capture(request, response):
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builtin_manager = Builtin.instance()
node = builtin_manager.get_node(request.match_info["node_id"], project_id=request.match_info["project_id"])
port_number = int(request.match_info["port_number"])
pcap_file_path = os.path.join(node.project.capture_working_directory(), request.json["capture_file_name"])
await node.start_capture(port_number, pcap_file_path, request.json["data_link_type"])
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response.json({"pcap_file_path": pcap_file_path})
@Route.post(
r"/projects/{project_id}/nat/nodes/{node_id}/adapters/{adapter_number:\d+}/ports/{port_number:\d+}/stop_capture",
parameters={
"project_id": "Project UUID",
"node_id": "Node UUID",
"adapter_number": "Adapter on the nat (always 0)",
"port_number": "Port on the nat"
},
status_codes={
204: "Capture stopped",
400: "Invalid request",
404: "Instance doesn't exist"
},
description="Stop a packet capture on a nat instance")
async def stop_capture(request, response):
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builtin_manager = Builtin.instance()
node = builtin_manager.get_node(request.match_info["node_id"], project_id=request.match_info["project_id"])
port_number = int(request.match_info["port_number"])
await node.stop_capture(port_number)
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response.set_status(204)
@Route.get(
r"/projects/{project_id}/nat/nodes/{node_id}/adapters/{adapter_number:\d+}/ports/{port_number:\d+}/pcap",
description="Stream the pcap capture file",
parameters={
"project_id": "Project UUID",
"node_id": "Node UUID",
"adapter_number": "Adapter to steam a packet capture (always 0)",
"port_number": "Port on the nat"
},
status_codes={
200: "File returned",
403: "Permission denied",
404: "The file doesn't exist"
})
async def stream_pcap_file(request, response):
builtin_manager = Builtin.instance()
node = builtin_manager.get_node(request.match_info["node_id"], project_id=request.match_info["project_id"])
port_number = int(request.match_info["port_number"])
nio = node.get_nio(port_number)
await builtin_manager.stream_pcap_file(nio, node.project.id, request, response)