mirror of
https://github.com/GNS3/gns3-server
synced 2024-12-24 15:58:08 +00:00
246 lines
9.0 KiB
Python
246 lines
9.0 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2016 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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import aiohttp
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import multidict
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from gns3server.web.route import Route
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from gns3server.controller import Controller
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from gns3server.schemas.link import (
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LINK_OBJECT_SCHEMA,
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LINK_CAPTURE_SCHEMA
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)
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class LinkHandler:
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"""
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API entry point for Link
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"""
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@Route.get(
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r"/projects/{project_id}/links",
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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: "List of links returned",
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},
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description="List links of a project")
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async def list_links(request, response):
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project = await Controller.instance().get_loaded_project(request.match_info["project_id"])
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response.json([v for v in project.links.values()])
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@Route.post(
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r"/projects/{project_id}/links",
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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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201: "Link created",
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400: "Invalid request"
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},
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description="Create a new link instance",
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input=LINK_OBJECT_SCHEMA,
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output=LINK_OBJECT_SCHEMA)
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async def create(request, response):
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project = await Controller.instance().get_loaded_project(request.match_info["project_id"])
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link = await project.add_link()
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if "filters" in request.json:
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await link.update_filters(request.json["filters"])
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if "link_style" in request.json:
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await link.update_link_style(request.json["link_style"])
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if "suspend" in request.json:
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await link.update_suspend(request.json["suspend"])
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try:
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for node in request.json["nodes"]:
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await link.add_node(project.get_node(node["node_id"]),
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node.get("adapter_number", 0),
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node.get("port_number", 0),
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label=node.get("label"))
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except aiohttp.web.HTTPException as e:
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await project.delete_link(link.id)
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raise e
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response.set_status(201)
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response.json(link)
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@Route.get(
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r"/projects/{project_id}/links/{link_id}/available_filters",
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parameters={
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"project_id": "Project UUID",
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"link_id": "Link UUID"
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},
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status_codes={
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200: "List of filters",
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400: "Invalid request"
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},
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description="Return the list of filters available for this link")
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async def list_filters(request, response):
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project = await Controller.instance().get_loaded_project(request.match_info["project_id"])
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link = project.get_link(request.match_info["link_id"])
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response.set_status(200)
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response.json(link.available_filters())
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@Route.get(
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r"/projects/{project_id}/links/{link_id}",
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parameters={
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"project_id": "Project UUID",
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"link_id": "Link UUID"
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},
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status_codes={
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200: "Link found",
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400: "Invalid request",
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404: "Link doesn't exist"
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},
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description="Get a link instance",
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output=LINK_OBJECT_SCHEMA)
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async def get_link(request, response):
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project = await Controller.instance().get_loaded_project(request.match_info["project_id"])
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link = project.get_link(request.match_info["link_id"])
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response.set_status(200)
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response.json(link)
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@Route.put(
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r"/projects/{project_id}/links/{link_id}",
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parameters={
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"project_id": "Project UUID",
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"link_id": "Link UUID"
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},
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status_codes={
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201: "Link updated",
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400: "Invalid request"
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},
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description="Update a link instance",
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input=LINK_OBJECT_SCHEMA,
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output=LINK_OBJECT_SCHEMA)
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async def update(request, response):
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project = await Controller.instance().get_loaded_project(request.match_info["project_id"])
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link = project.get_link(request.match_info["link_id"])
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if "filters" in request.json:
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await link.update_filters(request.json["filters"])
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if "link_style" in request.json:
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await link.update_link_style(request.json["link_style"])
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if "suspend" in request.json:
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await link.update_suspend(request.json["suspend"])
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if "nodes" in request.json:
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await link.update_nodes(request.json["nodes"])
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response.set_status(201)
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response.json(link)
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@Route.post(
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r"/projects/{project_id}/links/{link_id}/start_capture",
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parameters={
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"project_id": "Project UUID",
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"link_id": "Link UUID"
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},
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status_codes={
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201: "Capture started",
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400: "Invalid request"
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},
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input=LINK_CAPTURE_SCHEMA,
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output=LINK_OBJECT_SCHEMA,
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description="Start capture on a link instance. By default we consider it as an Ethernet link")
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async def start_capture(request, response):
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project = await Controller.instance().get_loaded_project(request.match_info["project_id"])
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link = project.get_link(request.match_info["link_id"])
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await link.start_capture(data_link_type=request.json.get("data_link_type", "DLT_EN10MB"),
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capture_file_name=request.json.get("capture_file_name"))
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response.set_status(201)
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response.json(link)
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@Route.post(
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r"/projects/{project_id}/links/{link_id}/stop_capture",
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parameters={
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"project_id": "Project UUID",
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"link_id": "Link UUID"
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},
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status_codes={
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201: "Capture stopped",
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400: "Invalid request"
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},
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description="Stop capture on a link instance")
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async def stop_capture(request, response):
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project = await Controller.instance().get_loaded_project(request.match_info["project_id"])
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link = project.get_link(request.match_info["link_id"])
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await link.stop_capture()
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response.set_status(201)
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response.json(link)
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@Route.delete(
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r"/projects/{project_id}/links/{link_id}",
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parameters={
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"project_id": "Project UUID",
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"link_id": "Link UUID"
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},
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status_codes={
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204: "Link deleted",
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400: "Invalid request"
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},
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description="Delete a link instance")
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async def delete(request, response):
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project = await Controller.instance().get_loaded_project(request.match_info["project_id"])
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await project.delete_link(request.match_info["link_id"])
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response.set_status(204)
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@Route.get(
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r"/projects/{project_id}/links/{link_id}/pcap",
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parameters={
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"project_id": "Project UUID",
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"link_id": "Link UUID"
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},
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description="Stream the PCAP capture file from compute",
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status_codes={
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200: "File returned",
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403: "Permission denied",
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404: "The file doesn't exist"
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})
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async def pcap(request, response):
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project = await Controller.instance().get_loaded_project(request.match_info["project_id"])
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ssl_context = Controller.instance().ssl_context()
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link = project.get_link(request.match_info["link_id"])
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if not link.capturing:
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raise aiohttp.web.HTTPConflict(text="This link has no active packet capture")
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compute = link.compute
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pcap_streaming_url = link.pcap_streaming_url()
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headers = multidict.MultiDict(request.headers)
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headers['Host'] = compute.host
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headers['Router-Host'] = request.host
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body = await request.read()
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connector = aiohttp.TCPConnector(limit=None, force_close=True, ssl_context=ssl_context)
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async with aiohttp.ClientSession(connector=connector, headers=headers) as session:
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async with session.request(request.method, pcap_streaming_url, timeout=None, data=body) as response:
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proxied_response = aiohttp.web.Response(headers=response.headers, status=response.status)
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if response.headers.get('Transfer-Encoding', '').lower() == 'chunked':
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proxied_response.enable_chunked_encoding()
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await proxied_response.prepare(request)
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async for data in response.content.iter_any():
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if not data:
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break
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await proxied_response.write(data)
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