示例#1
0
    async def test_set_content_disposition_override(self, buf: Any,
                                                    stream: Any) -> None:
        # https://github.com/aio-libs/aiohttp/pull/3475#issuecomment-451072381
        with pathlib.Path(__file__).open("rb") as fobj:
            with aiohttp.MultipartWriter("form-data", boundary=":") as writer:
                part = writer.append(
                    fobj,
                    headers={
                        CONTENT_DISPOSITION: 'attachments; filename="bug.py"',
                        CONTENT_TYPE: "text/python",
                    },
                )
            content_length = part.size
            await writer.write(stream)

        assert part.headers[CONTENT_TYPE] == "text/python"
        assert part.headers[CONTENT_DISPOSITION] == (
            'attachments; filename="bug.py"')

        headers, _ = bytes(buf).split(b"\r\n\r\n", 1)

        assert headers == (
            b"--:\r\n"
            b"Content-Type: text/python\r\n"
            b'Content-Disposition: attachments; filename="bug.py"\r\n'
            b"Content-Length: %s"
            b"" % (str(content_length).encode(), ))
    async def upload_file(self):
        """ Upload the tarfile to cloud as multipart data"""
        logger.debug("uploading %s", self.tgzfile)
        with aiohttp.MultipartWriter("form-data") as mpwriter:
            with open(self.tgzfile, "rb") as file_handle:
                part = mpwriter.append(file_handle)
                part.set_content_disposition("form-data",
                                             name="file",
                                             filename="inventory.gz")
                part.headers[
                    aiohttp.hdrs.CONTENT_TYPE] = self.UPLOAD_CONTENT_TYPE

                headers = {}
                # TODO : Use mTLS certs not userid/password
                auth = aiohttp.BasicAuth(self.config["AUTH"]["username"],
                                         self.config["AUTH"]["password"])
                headers["Authorization"] = auth.encode()
                async with aiohttp.ClientSession(headers=headers) as session:
                    async with session.post(self.upload_url,
                                            ssl=self.ssl_context,
                                            data=mpwriter) as response:
                        logger.debug("Status: %s", response.status)
                        logger.debug("Content-type: %s",
                                     response.headers["Content-Type"])

                        return await response.text()
示例#3
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 def test_append_multipart(self, writer: Any) -> None:
     subwriter = aiohttp.MultipartWriter(boundary=":")
     subwriter.append_json({"foo": "bar"})
     writer.append(subwriter, {CONTENT_TYPE: "test/passed"})
     assert 1 == len(writer)
     part = writer._parts[0][0]
     assert part.headers[CONTENT_TYPE] == "test/passed"
示例#4
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    async def test_reset_content_disposition_header(self, buf, stream):
        """
        https://github.com/aio-libs/aiohttp/pull/3475#issuecomment-451072381
        """
        with open(__file__, 'rb') as fobj:
            with aiohttp.MultipartWriter('form-data', boundary=':') as writer:
                part = writer.append(
                    fobj,
                    headers={CONTENT_TYPE: 'text/plain'},
                )

            content_length = part.size

            assert CONTENT_DISPOSITION in part.headers

            part.set_content_disposition('attachments', filename='bug.py')

            await writer.write(stream)

        headers, _ = bytes(buf).split(b'\r\n\r\n', 1)

        assert headers == (
            b'--:\r\n'
            b'Content-Type: text/plain\r\n'
            b'Content-Disposition:'
            b' attachments; filename="bug.py"; filename*=utf-8\'\'bug.py\r\n'
            b'Content-Length: %s'
            b'' % (str(content_length).encode(), ))
示例#5
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async def download_files(request) -> web.Response:
    try:
        registry = request.app['registry']
        sess_id = request.match_info['sess_id']
        access_key = request['keypair']['access_key']
        with _timeout(2):
            params = await request.json(loads=json.loads)
        assert params.get('files'), 'no file(s) specified!'
        files = params.get('files')
        log.info('DOWNLOAD_FILE (u:{0}, token:{1})', access_key, sess_id)
    except (asyncio.TimeoutError, AssertionError,
            json.decoder.JSONDecodeError) as e:
        log.warning('DOWNLOAD_FILE: invalid/missing parameters, {0!r}', e)
        raise InvalidAPIParameters(extra_msg=str(e.args[0]))

    try:
        assert len(files) <= 5, 'Too many files'
        await registry.increment_session_usage(sess_id, access_key)
        # TODO: Read all download file contents. Need to fix by using chuncking, etc.
        results = await asyncio.gather(*map(
            functools.partial(registry.download_file, sess_id, access_key),
            files))
        log.debug('file(s) inside container retrieved')
    except BackendError:
        log.exception('DOWNLOAD_FILE: exception')
        raise
    except Exception:
        request.app['error_monitor'].capture_exception()
        log.exception('DOWNLOAD_FILE: unexpected error!')
        raise InternalServerError

    with aiohttp.MultipartWriter('mixed') as mpwriter:
        for tarbytes in results:
            mpwriter.append(tarbytes)
        return web.Response(body=mpwriter, status=200)
示例#6
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async def download(request, row):
    folder_name = request.match_info['name']
    access_key = request['keypair']['access_key']
    params = await request.json()
    assert params.get('files'), 'no file(s) specified!'
    files = params.get('files')
    log.info('VFOLDER.DOWNLOAD (u:{0}, f:{1})', access_key, folder_name)
    folder_path = (request.app['VFOLDER_MOUNT'] / row.host / row.id.hex)
    for file in files:
        if not (folder_path / file).is_file():
            raise InvalidAPIParameters(
                f'You cannot download "{file}" because it is not a regular file.'
            )
    with aiohttp.MultipartWriter('mixed') as mpwriter:
        total_payloads_length = 0
        headers = {'Content-Encoding': 'gzip'}
        try:
            for file in files:
                data = open(folder_path / file, 'rb')
                payload = mpwriter.append(data, headers)
                total_payloads_length += payload.size
        except FileNotFoundError:
            return web.Response(status=404, reason='File not found')
        mpwriter._headers['X-TOTAL-PAYLOADS-LENGTH'] = str(
            total_payloads_length)
        return web.Response(body=mpwriter, status=200)
示例#7
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    async def test_reset_content_disposition_header(self, buf: Any,
                                                    stream: Any) -> None:
        # https://github.com/aio-libs/aiohttp/pull/3475#issuecomment-451072381
        with pathlib.Path(__file__).open("rb") as fobj:
            with aiohttp.MultipartWriter("form-data", boundary=":") as writer:
                part = writer.append(
                    fobj,
                    headers={CONTENT_TYPE: "text/plain"},
                )

            content_length = part.size

            assert CONTENT_DISPOSITION in part.headers

            part.set_content_disposition("attachments", filename="bug.py")

            await writer.write(stream)

        headers, _ = bytes(buf).split(b"\r\n\r\n", 1)

        assert headers == (
            b"--:\r\n"
            b"Content-Type: text/plain\r\n"
            b"Content-Disposition:"
            b" attachments; filename=\"bug.py\"; filename*=utf-8''bug.py\r\n"
            b"Content-Length: %s"
            b"" % (str(content_length).encode(), ))
示例#8
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    async def _perform_async_post(self,
                                  content: str,
                                  syntax: str = None) -> Paste:
        """ Async post request. """
        if not self.session and self._are_we_async:
            self.session = await self._generate_async_session()

        multi_part_write = aiohttp.MultipartWriter()
        paste_content = multi_part_write.append(content)
        paste_content.set_content_disposition("form-data", name="data")
        paste_content = multi_part_write.append_json(
            {"meta": [{
                "index": 0,
                "syntax": syntax
            }]})
        paste_content.set_content_disposition("form-data", name="meta")

        async with self.session.post(API_BASE_URL,
                                     data=multi_part_write) as response:
            status_code = response.status
            response_text = await response.text()
            if status_code not in (200, ):
                raise APIError(status_code, response_text)
            response_data = await response.json()

        return Paste(response_data, syntax)
示例#9
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async def test_writer_write_no_close_boundary(buf, stream) -> None:
    writer = aiohttp.MultipartWriter(boundary=':')
    writer.append('foo-bar-baz')
    writer.append_json({'test': 'passed'})
    writer.append_form({'test': 'passed'})
    writer.append_form([('one', 1), ('two', 2)])
    await writer.write(stream, close_boundary=False)

    assert (
        (b'--:\r\n'
         b'Content-Type: text/plain; charset=utf-8\r\n'
         b'Content-Length: 11\r\n\r\n'
         b'foo-bar-baz'
         b'\r\n'

         b'--:\r\n'
         b'Content-Type: application/json\r\n'
         b'Content-Length: 18\r\n\r\n'
         b'{"test": "passed"}'
         b'\r\n'

         b'--:\r\n'
         b'Content-Type: application/x-www-form-urlencoded\r\n'
         b'Content-Length: 11\r\n\r\n'
         b'test=passed'
         b'\r\n'

         b'--:\r\n'
         b'Content-Type: application/x-www-form-urlencoded\r\n'
         b'Content-Length: 11\r\n\r\n'
         b'one=1&two=2'
         b'\r\n') == bytes(buf))
示例#10
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    def _make_multipart(self):
        """
        构造multipart/form-data 类型的aiohttp请求参数

        Returns:
            aiohttp.MultipartWriter实例
        """
        mpwriter = aiohttp.MultipartWriter('form-data')
        post_data = self.http_data["data"]
        for key in post_data:
            part = mpwriter.append(post_data[key])
            part.set_content_disposition("form-data", name=key)
            part.headers.pop(aiohttp.hdrs.CONTENT_LENGTH, None)
            part.headers.pop(aiohttp.hdrs.CONTENT_TYPE, None)

        files = self.http_data["files"]
        for file_item in files:
            content_type = file_item.get("content_type",
                                         'application/octet-stream')
            part = mpwriter.append(file_item["content"],
                                   {'CONTENT-TYPE': content_type})
            part.set_content_disposition("form-data",
                                         filename=file_item["filename"],
                                         name=file_item["name"])
            part.headers.pop(aiohttp.hdrs.CONTENT_LENGTH, None)

        Logger().debug("Make multipart data from dict: {}".format(post_data))
        return mpwriter
示例#11
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    async def test_set_content_disposition_override(self, buf, stream):
        """
        https://github.com/aio-libs/aiohttp/pull/3475#issuecomment-451072381
        """
        with open(__file__, 'rb') as fobj:
            with aiohttp.MultipartWriter('form-data', boundary=':') as writer:
                part = writer.append(fobj,
                                     headers={
                                         CONTENT_DISPOSITION:
                                         'attachments; filename="bug.py"',
                                         CONTENT_TYPE: 'text/python',
                                     })
            content_length = part.size
            await writer.write(stream)

        assert part.headers[CONTENT_TYPE] == 'text/python'
        assert part.headers[CONTENT_DISPOSITION] == (
            'attachments; filename="bug.py"')

        headers, _ = bytes(buf).split(b'\r\n\r\n', 1)

        assert headers == (
            b'--:\r\n'
            b'Content-Type: text/python\r\n'
            b'Content-Disposition: attachments; filename="bug.py"\r\n'
            b'Content-Length: %s'
            b'' % (str(content_length).encode(), ))
示例#12
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 def test_append_multipart(self, writer) -> None:
     subwriter = aiohttp.MultipartWriter(boundary=':')
     subwriter.append_json({'foo': 'bar'})
     writer.append(subwriter, {CONTENT_TYPE: 'test/passed'})
     assert 1 == len(writer)
     part = writer._parts[0][0]
     assert part.headers[CONTENT_TYPE] == 'test/passed'
示例#13
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async def test_writer_write_no_close_boundary(buf: Any, stream: Any) -> None:
    writer = aiohttp.MultipartWriter(boundary=":")
    writer.append("foo-bar-baz")
    writer.append_json({"test": "passed"})
    writer.append_form({"test": "passed"})
    writer.append_form([("one", 1), ("two", 2)])
    await writer.write(stream, close_boundary=False)

    assert (b"--:\r\n"
            b"Content-Type: text/plain; charset=utf-8\r\n"
            b"Content-Length: 11\r\n\r\n"
            b"foo-bar-baz"
            b"\r\n"
            b"--:\r\n"
            b"Content-Type: application/json\r\n"
            b"Content-Length: 18\r\n\r\n"
            b'{"test": "passed"}'
            b"\r\n"
            b"--:\r\n"
            b"Content-Type: application/x-www-form-urlencoded\r\n"
            b"Content-Length: 11\r\n\r\n"
            b"test=passed"
            b"\r\n"
            b"--:\r\n"
            b"Content-Type: application/x-www-form-urlencoded\r\n"
            b"Content-Length: 11\r\n\r\n"
            b"one=1&two=2"
            b"\r\n") == bytes(buf)
示例#14
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文件: client.py 项目: jack51706/vt-py
  async def scan_file_async(self, file, wait_for_completion=False):
    """Like :func:`scan_file` but returns a coroutine."""

    # The snippet below could be replaced with this simpler code:
    #
    # form_data = aiohttp.FormData()
    # form_data.add_field('file', file)
    #
    # However, aiohttp.FormData assumes that the server supports RFC 5987 and
    # send a Content-Disposition like:
    #
    # 'form-data; name="file"; filename="foobar"; filename*=UTF-8''foobar
    #
    # AppEngine's upload handler doesn't like the filename*=UTF-8''foobar field
    # and fails with this Content-Disposition header.

    part = aiohttp.get_payload(file)
    filename = file.name if hasattr(file, 'name') else 'unknown'
    disposition = 'form-data; name="file"; filename="{}"'.format(filename)
    part.headers['Content-Disposition'] = disposition
    form_data = aiohttp.MultipartWriter('form-data')
    form_data.append_payload(part)

    upload_url = await self.get_data_async('/files/upload_url')
    response = ClientResponse(
        await self._get_session().post(upload_url, data=form_data))

    analysis = await self._response_to_object(response)

    if wait_for_completion:
      analysis = await self._wait_for_analysis_completion(analysis)

    return analysis
示例#15
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async def test_training_too_many_fail(testrequest):
    # we only have one training slot
    for ii in range(1):
        dev_id = 'devpost{}'.format(ii)
        ai_id = 'aipost{}'.format(ii)
        await test_status_update_1(testrequest, dev_id, ai_id)

    dev_id = 'devpost2'.format(ii)
    ai_id = 'aipost2'.format(ii)
    cli = testrequest.cli

    with aiohttp.MultipartWriter('training') as mpwriter:
        mpwriter.append_json({'dev_id': dev_id, 'ai_id': ai_id})
        payload = aiohttp.payload.TextIOPayload(open(TRAINING_FILE_PATH))
        payload.set_content_disposition('attachment', filename='training.txt')
        mpwriter.append_payload(payload)

    async with cli.post('/ai', data=mpwriter) as resp:
        assert resp.status == 200
        json_data = await resp.json()
    assert json_data['status'] == 'ai_ready_to_train'
    assert 'url' in json_data
    # check data is written in correctly
    assert testrequest.mock_training.training_list[(
        dev_id, ai_id)].status.state == ait.AiTrainingState.ai_ready_to_train

    async with cli.post('/ai/{}/{}?command=start'.format(dev_id,
                                                         ai_id)) as resp:
        # !!! THIS ONE SHOULD FAIL AS THERE ARE ALREADY AN AIs in TRAINING !!!
        assert resp.status == 429
示例#16
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async def generate_tempfile(session, sessionId, sheetdocId):
    with aiohttp.MultipartWriter('form-data') as mp:
        data = {
            'sheetdocId': sheetdocId,
            'useTabs': 'true',
            'sendNotifications': 'true',
        }

        for key, value in data.items():
            part = mp.append(value)
            part.set_content_disposition('form-data', name=key)

        async with session.post(
                f'https://visualizedata.ucop.edu/vizql/t/Public/w/TransferbyCCM/v/ByMajorName/sessions/{sessionId}/commands/tabsrv/export-crosstab-to-csvserver',
                data=mp) as response:
            if response.status != 200:
                print(response)
                print(await response.text())
                raise RuntimeError

            data = await response.json(content_type=None)
            tempfileKey = data['vqlCmdResponse']['layoutStatus'][
                'applicationPresModel']['presentationLayerNotification'][0][
                    'presModelHolder']['genFileDownloadPresModel'][
                        'tempfileKey']

            return tempfileKey
示例#17
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    async def asend(self, *, sess=None, timeout=10.0):
        '''
        Sends the request to the server.

        This method is a coroutine.
        '''
        assert self.method in self._allowed_methods
        if sess is None:
            sess = aiohttp.ClientSession()
        else:
            assert isinstance(sess, aiohttp.ClientSession)
        with sess:
            if self.content_type == 'multipart/form-data':
                with aiohttp.MultipartWriter('mixed') as mpwriter:
                    for file in self._content:
                        part = mpwriter.append(file.file)
                        part.set_content_disposition('attachment',
                                                     filename=file.filename)
                data = mpwriter
            else:
                data = self._content
            self._sign()
            reqfunc = getattr(sess, self.method.lower())
            try:
                with _timeout(timeout):
                    resp = await reqfunc(self.build_url(),
                                         data=data,
                                         headers=self.headers)
                    async with resp:
                        body = await resp.read()
                        return Response(resp.status, resp.reason, body,
                                        resp.content_type, len(body))
            except Exception as e:
                msg = 'Request to the API endpoint has failed.'
                raise BackendClientError(msg) from e
示例#18
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async def call_multipart_mock_event_plain_text_json(client):
    os.makedirs('/tmp/call_multipart_mock_event/', exist_ok=True)
    with open('/tmp/call_multipart_mock_event/test_attachment', 'wb') as f:
        f.write(b'testdata')

    attachment = open('/tmp/call_multipart_mock_event/test_attachment', 'rb')
    with aiohttp.MultipartWriter("form-data", boundary=":") as mp:
        mp.append("value1",
                  headers={'Content-Disposition': 'form-data; name="field1"'})
        mp.append('{"value": "value2"}',
                  headers={'Content-Disposition': 'form-data; name="field2"'})
        mp.append(
            attachment,
            headers={
                'Content-Disposition':
                'attachments; name="attachment"; filename="test_attachment"'
            })

        res: ClientResponse = await client.post(
            '/api/mock-app/test/mock-multipart-event-test',
            params={'query_arg1': 'ok'},
            data=mp,
            headers={
                'X-Track-Request-Id': 'test_request_id',
                'X-Track-Session-Id': 'test_session_id',
                'Content-Type': 'multipart/form-data; boundary=":"'
            })
        assert res.status == 200
        assert res.headers.get('X-Track-Session-Id') == 'test_session_id'
        assert res.headers.get('X-Track-Request-Id') == 'test_request_id'
        result = (await res.read()).decode()
        assert result == '{"value": "field1=value1 field2=value2 attachment=test_attachment ok"}'
示例#19
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async def test_upload_training_missing_data_1(cli):
    dev_id = 'devpost1'
    ai_id = 'aipost1'
    with aiohttp.MultipartWriter('training') as mpwriter:
        mpwriter.append_json({'dev_id': dev_id, 'ai_id': ai_id})
        resp = await cli.post('/ai', data=mpwriter)

    assert resp.status == 400
示例#20
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async def test_upload_training_bad_dev_id(cli):
    with aiohttp.MultipartWriter('training') as mpwriter:
        mpwriter.append_json({'ai_id': 'aipost1'})
        payload = aiohttp.payload.TextIOPayload(open(TRAINING_FILE_PATH))
        payload.set_content_disposition('attachment', filename='training.txt')
        mpwriter.append_payload(payload)
        resp = await cli.post('/ai', data=mpwriter)

    assert resp.status == 400
示例#21
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async def make_mystbin(session, text):
    wr = aiohttp.MultipartWriter()
    t = wr.append(text)
    t.set_content_disposition("form-data", name="data")
    t = wr.append_json({"meta": [{"index": 0, "syntax": "python"}]})
    t.set_content_disposition("form-data", name="meta")
    async with session.post("https://mystb.in/api/pastes", data=wr) as resp:
        return "https://mystb.in/" + (await
                                      resp.json())["pastes"][0]["id"] + ".py"
示例#22
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async def request_http(data):
    async with aiohttp.ClientSession() as session:
        with aiohttp.MultipartWriter() as mpwriter:
            part = mpwriter.append(data)
            # part.set_content_disposition('binary')
            part.headers[aiohttp.hdrs.CONTENT_TYPE] = 'binary'
            mpwriter.append("the local size is " + str(len(data)))
            async with session.post(full_url, data=mpwriter) as resp:
                print('HTTP code is ', resp.status)
                print(await resp.text())
示例#23
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def req1():
    with aiohttp.MultipartWriter() as writer:
        writer.append('test')
        writer.append_json({'passed': True})

    resp = yield from aiohttp.request("post",
                                      'http://localhost:8080/multipart',
                                      data=writer,
                                      headers=writer.headers)
    print(resp)
    assert 200 == resp.status
示例#24
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async def req1():
    with aiohttp.MultipartWriter() as writer:
        writer.append('test')
        writer.append_json({'passed': True})

    resp = await aiohttp.ClientSession().request("post",
                                                 'http://localhost:8080/',
                                                 data=writer,
                                                 headers=writer.headers)
    print(resp)
    assert 200 == resp.status
示例#25
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async def test_upload_training_exists(cli, mock_training):
    # try and upload to the one AI we know is already there
    dev_id = 'd1'
    ai_id = 'a1'
    with aiohttp.MultipartWriter('training') as mpwriter:
        mpwriter.append_json({'dev_id': dev_id, 'ai_id': ai_id})
        payload = aiohttp.payload.TextIOPayload(open(TRAINING_FILE_PATH))
        payload.set_content_disposition('attachment', filename='training.txt')
        mpwriter.append_payload(payload)
        resp = await cli.post('/ai', data=mpwriter)

    assert resp.status == 200
    await resp.json()
示例#26
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async def post(content: str, *, session: aiohttp.ClientSession = None, suffix: str = None) -> str:
    """ Post `content` to MystB.in with optional suffix text. """
    suffix = f".{suffix}" if suffix else ""
    multi_part = aiohttp.MultipartWriter()
    paste_content = multi_part.append(content)
    paste_content.set_content_disposition("form-data", name="data")
    paste_content = multi_part.append_json({"meta": [{"index": 0, "syntax": suffix}]})
    paste_content.set_content_disposition("form-data", name="meta")
    session = session or aiohttp.ClientSession(raise_for_status=True)
    async with session.post(BASE, data=multi_part, timeout=TIMEOUT) as mb_res:
        url = await mb_res.json()
    short_id = url['pastes'][0]['id']
    return f"https://mystb.in/{short_id}{suffix}"
示例#27
0
async def req2():
    with aiohttp.MultipartWriter() as writer:
        writer.append('test')
        writer.append_json({'passed': True})
        writer.append(open('src/main.rs'))

    resp = await aiohttp.ClientSession().request(
        "post",
        'http://localhost:7070/images',
        data=writer,
        headers=writer.headers)
    print(resp)
    assert 200 == resp.status
示例#28
0
async def get_mystbin_link(bot: Bot, content: str, syntax: str = None):
    multi_part_writer = aiohttp.MultipartWriter()
    paste_content = multi_part_writer.append(content)
    paste_content.set_content_disposition("form-data", name="data")
    paste_content = multi_part_writer.append_json(
        {"meta": [{
            "index": 0,
            "syntax": syntax
        }]})
    paste_content.set_content_disposition("form-data", name="meta")

    async with bot.http_session.post(MYSTBIN_API_URL,
                                     data=multi_part_writer) as response:
        return await response.json()
示例#29
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    def _prepare_file(self, content, filename):
        with aiohttp.MultipartWriter('form-data') as data:
            filesdata = aiohttp.payload.get_payload(content)
            filesdata.set_content_disposition(
                    'form-data', name='files', filename=filename)

            data.append(filesdata)
            jsondata = {'submitter': self.submitter}
            if self.submitter_id:
                jsondata["submitter_id"] = self.submitter_id
            jsondata = aiohttp.JsonPayload(jsondata)
            jsondata.set_content_disposition('form-data', name='json')
            data.append(jsondata)
        return data
示例#30
0
    async def upload_data(self, data: bytes, token: str, key: str = None,
                          params: dict = None, filename: str = None,
                          mimetype: str = None, host: str = None) -> dict:
        """直传文件数据到七牛云

        :param data: 上传的字节码数据
        :param token: 上传凭证
        :param key: 上传后的文件命名
        :param params: 用户自定义参数,可为空,dict类型
        :param filename: 上传的数据的文件名,默认为空
        :param mimetype: 上传数据的mimetype值,默认为空,可由七牛自动探测
        :param host: 上传的服务器地址,默认为"upload.qiniu.com"

        :return: 上传后的文件信息,包含hash和key

        详见:https://developer.qiniu.com/kodo/api/1312/upload
        """
        filename = filename or b32encode(os.urandom(5)).decode()
        params = params or {}
        host = host or "http://upload.qiniu.com"
        if host.startswith("http://") or host.startswith("https://"):
            url = host
        else:
            url = "http://{}".format(host)

        with aiohttp.MultipartWriter("form-data") as mpwriter:
            mpwriter.append(token, {
                "Content-Disposition": 'form-data; name="token"',
            })
            mpwriter.append(key, {
                "Content-Disposition": 'form-data; name="key"',
            })
            for name, value in params.items():
                mpwriter.append(value, {
                    "Content-Disposition": 'form-data; name="{}"'.format(name),
                })
            mpheaders = {
                "Content-Disposition":
                    'form-data; name="file"; filename="{}"'.format(filename),
                "Content-Transfer-Encoding": "binary",
            }
            if mimetype:
                mpheaders["Content-Type"] = mimetype
            mpwriter.append(BytesIO(data), mpheaders)

        async with self.httpclient.post(url, data=mpwriter) as resp:
            await raise_for_error(resp)
            ret = await resp.json()

        return ret