OpenKeychain-Test/src/test/java/org

import os.path
import re
import tornado.web
import tornado.websocket
import logging
import json
from .. import version, filt


class APIError(tornado.web.HTTPError):
    pass


class RequestHandler(tornado.web.RequestHandler):
    def set_default_headers(self):
        super(RequestHandler, self).set_default_headers()
        self.set_header("Server", version.NAMEVERSION)
        self.set_header("X-Frame-Options", "DENY")
        self.add_header("X-XSS-Protection", "1; mode=block")
        self.add_header("X-Content-Type-Options", "nosniff")
        self.add_header(
            "Content-Security-Policy",
            "default-src 'self'; "
            "connect-src 'self' ws://* ; "
            "style-src   'self' 'unsafe-inline'"
        )

    @property
    def json(self):
        if not self.request.headers.get(
                "Content-Type").startswith("application/json"):
            return None
        return json.loads(self.request.body)

    @property
    def state(self):
        return self.application.master.state

    @property
    def master(self):
        return self.application.master

    @property
    def flow(self):
        flow_id = str(self.path_kwargs["flow_id"])
        flow = self.state.flows.get(flow_id)
        if flow:
            return flow
        else:
            raise APIError(400, "Flow not found.")

    def write_error(self, status_code, **kwargs):
        if "exc_info" in kwargs and isinstance(kwargs["exc_info"][1], APIError):
            self.finish(kwargs["exc_info"][1].log_message)
        else:
            super(RequestHandler, self).write_error(status_code, **kwargs)


class IndexHandler(RequestHandler):
    def get(self):
        _ = self.xsrf_token  # https://github.com/tornadoweb/tornado/issues/645
        self.render("index.html")


class FiltHelp(RequestHandler):
    def get(self):
        self.write(dict(
            commands=filt.help
        ))


class WebSocketEventBroadcaster(tornado.websocket.WebSocketHandler):
    # raise an error if inherited class doesn't specify its own instance.
    connections = None

    def open(self):
        self.connections.add(self)

    def on_close(self):
        self.connections.remove(self)

    @classmethod
    def broadcast(cls, **kwargs):
        message = json.dumps(kwargs)
        for conn in cls.connections:
            try:
                conn.write_message(message)
            except:
                logging.error("Error sending message", exc_info=True)


class ClientConnection(WebSocketEventBroadcaster):
    connections = set()


class Flows(RequestHandler):
    def get(self):
        self.write(dict(
            data=[f.get_state(short=True) for f in self.state.flows]
        ))


class ClearAll(RequestHandler):
    def post(self):
        self.state.clear()


class AcceptFlows(RequestHandler):
    def post(self):
        self.state.flows.accept_all(self.master)


class AcceptFlow(RequestHandler):
    def post(self, flow_id):
        self.flow.accept_intercept(self.master)


class FlowHandler(RequestHandler):
    def delete(self, flow_id):
        self.flow.kill(self.master)
        self.state.delete_flow(self.flow)

    def put(self, flow_id):
        flow = self.flow
        flow.backup()
        for a, b in self.json.iteritems():

            if a == "request":
                request = flow.request
                for k, v in b.iteritems():
                    if k in ["method", "scheme", "host", "path"]:
                        setattr(request, k, str(v))
                    elif k == "port":
                        request.port = int(v)
                    elif k == "httpversion":
                        request.httpversion = tuple(int(x) for x in v)
                    elif k == "headers":
                        request.headers.load_state(v)
                    else:
                        print "Warning: Unknown update {}.{}: {}".format(a, k, v)

            elif a == "response":
                response = flow.response
                for k, v in b.iteritems():
                    if k == "msg":
                        response.msg = str(v)
                    elif k == "code":
                        response.code = int(v)
                    elif k == "httpversion":
                        response.httpversion = tuple(int(x) for x in v)
                    elif k == "headers":
                        response.headers.load_state(v)
                    else:
                        print "Warning: Unknown update {}.{}: {}".format(a, k, v)
            else:
                print "Warning: Unknown update {}: {}".format(a, b)
        self.state.update_flow(flow)


class DuplicateFlow(RequestHandler):
    def post(self, flow_id):
        self.master.duplicate_flow(self.flow)


class RevertFlow(RequestHandler):
    def post(self, flow_id):
        self.state.revert(self.flow)


class ReplayFlow(RequestHandler):
    def post(self, flow_id):
        self.flow.backup()
        self.flow.response = None
        self.state.update_flow(self.flow)

        r = self.master.replay_request(self.flow)
        if r:
            raise APIError(400, r)


class FlowContent(RequestHandler):
    def get(self, flow_id, message):
        message = getattr(self.flow, message)

        if not message.content:
            raise APIError(400, "No content.")

        content_encoding = message.headers.get_first("Content-Encoding", None)
        if content_encoding:
            content_encoding = re.sub(r"[^\w]", "", content_encoding)