<commit_before># -*- coding: utf-8 -*-
# Copyright 2014, 2015 OpenMarket Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

from ._base import Config

class ServerConfig(Config):

    def read_config(self, config):
        self.server_name = config["server_name"]
        self.pid_file = self.abspath(config.get("pid_file"))
        self.web_client = config["web_client"]
        self.web_client_location = config.get("web_client_location", None)
        self.soft_file_limit = config["soft_file_limit"]
        self.daemonize = config.get("daemonize")
        self.print_pidfile = config.get("print_pidfile")
        self.user_agent_suffix = config.get("user_agent_suffix")
        self.use_frozen_dicts = config.get("use_frozen_dicts", True)

        self.listeners = config.get("listeners", [])

        bind_port = config.get("bind_port")
        if bind_port:
            self.listeners = []
            bind_host = config.get("bind_host", "")
            gzip_responses = config.get("gzip_responses", True)

            names = ["client", "webclient"] if self.web_client else ["client"]

            self.listeners.append({
                "port": bind_port,
                "bind_address": bind_host,
                "tls": True,
                "type": "http",
                "resources": [
                    {
                        "names": names,
                        "compress": gzip_responses,
                    },
                    {
                        "names": ["federation"],
                        "compress": False,
                    }
                ]
            })

            unsecure_port = config.get("unsecure_port", bind_port - 400)
            if unsecure_port:
                self.listeners.append({
                    "port": unsecure_port,
                    "bind_address": bind_host,
                    "tls": False,
                    "type": "http",
                    "resources": [
                        {
                            "names": names,
                            "compress": gzip_responses,
                        },
                        {
                            "names": ["federation"],
                            "compress": False,
                        }
                    ]
                })

        manhole = config.get("manhole")
        if manhole:
            self.listeners.append({
                "port": manhole,
                "bind_address": "127.0.0.1",
                "type": "manhole",
            })

        metrics_port = config.get("metrics_port")
        if metrics_port:
            self.listeners.append({
                "port": metrics_port,
                "bind_address": config.get("metrics_bind_host", "127.0.0.1"),
                "tls": False,
                "type": "http",
                "resources": [
                    {
                        "names": ["metrics"],
                        "compress": False,
                    },
                ]
            })

        # Attempt to guess the content_addr for the v0 content repostitory
        content_addr = config.get("content_addr")
        if not content_addr:
            for listener in self.listeners:
                if listener["type"] == "http" and not listener.get("tls", False):
                    unsecure_port = listener["port"]
                    break
            else:
                raise RuntimeError("Could not determine 'content_addr'")

            host = self.server_name
            if ':' not in host:
                host = "%s:%d" % (host, unsecure_port)
            else:
                host = host.split(':')[0]
                host = "%s:%d" % (host, unsecure_port)
            content_addr = "http://%s" % (host,)

        self.content_addr = content_addr

    def default_config(self, server_name, **kwargs):
        if ":" in server_name:
            bind_port = int(server_name.split(":")[1])
            unsecure_port = bind_port - 400
        else:
            bind_port = 8448
            unsecure_port = 8008

        pid_file = self.abspath("homeserver.pid")
        return """\
        ## Server ##

        # The domain name of the server, with optional explicit port.
        # This is used by remote servers to connect to this server,
        # e.g. matrix.org, localhost:8080, etc.
        server_name: "%(server_name)s"

        # When running as a daemon, the file to store the pid in
        pid_file: %(pid_file)s

        # Whether to serve a web client from the HTTP/HTTPS root resource.
        web_client: True

        # Set the soft limit on the number of file descriptors synapse can use
        # Zero is used to indicate synapse should set the soft limit to the
        # hard limit.
        soft_file_limit: 0

        # List of ports that Synapse should listen on, their purpose and their
        # configuration.
        listeners:
          # Main HTTPS listener
          # For when matrix traffic is sent directly to synapse.
          -
            # The port to listen for HTTPS requests on.
            port: %(bind_port)s

            # Local interface to listen on.
            # The empty string will cause synapse to listen on all interfaces.
            bind_address: ''

            # This is a 'http' listener, allows us to specify 'resources'.
            type: http

            tls: true

            # Use the X-Forwarded-For (XFF) header as the client IP and not the
            # actual client IP.
            x_forwarded: false

            # List of HTTP resources to serve on this listener.
            resources:
              -
                # List of resources to host on this listener.
                names:
                  - client     # The client-server APIs, both v1 and v2
                  - webclient  # The bundled webclient.

                # Should synapse compress HTTP responses to clients that support it?
                # This should be disabled if running synapse behind a load balancer
                # that can do automatic compression.
                compress: true

              - names: [federation]  # Federation APIs
                compress: false

          # Unsecure HTTP listener,
          # For when matrix traffic passes through loadbalancer that unwraps TLS.
          - port: %(unsecure_port)s
            tls: false
            bind_address: ''
            type: http

            x_forwarded: false

            resources:
              - names: [client, webclient]
                compress: true
              - names: [federation]
                compress: false

          # Turn on the twisted telnet manhole service on localhost on the given
          # port.
          # - port: 9000
          #   bind_address: 127.0.0.1
          #   type: manhole
        """ % locals()

    def read_arguments(self, args):
        if args.manhole is not None:
            self.manhole = args.manhole
        if args.daemonize is not None:
            self.daemonize = args.daemonize
        if args.print_pidfile is not None:
            self.print_pidfile = args.print_pidfile

    def add_arguments(self, parser):
        server_group = parser.add_argument_group("server")
        server_group.add_argument("-D", "--daemonize", action='store_true',
                                  default=None,
                                  help="Daemonize the home server")
        server_group.add_argument("--print-pidfile", action='store_true',
                                  default=None,
                                  help="Print the path to the pidfile just"
                                  " before daemonizing")
        server_group.add_argument("--manhole", metavar="PORT", dest="manhole",
                                  type=int,
                                  help="Turn on the twisted telnet manhole"
                                  " service on the given port.")
<commit_msg>Added a single line to explain what the server_name is used for<commit_after># -*- coding: utf-8 -*-
# Copyright 2014, 2015 OpenMarket Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

from ._base import Config

class ServerConfig(Config):

    def read_config(self, config):
        self.server_name = config["server_name"]
        self.pid_file = self.abspath(config.get("pid_file"))
        self.web_client = config["web_client"]
        self.web_client_location = config.get("web_client_location", None)
        self.soft_file_limit = config["soft_file_limit"]
        self.daemonize = config.get("daemonize")
        self.print_pidfile = config.get("print_pidfile")
        self.user_agent_suffix = config.get("user_agent_suffix")
        self.use_frozen_dicts = config.get("use_frozen_dicts", True)

        self.listeners = config.get("listeners", [])

        bind_port = config.get("bind_port")
        if bind_port:
            self.listeners = []
            bind_host = config.get("bind_host", "")
            gzip_responses = config.get("gzip_responses", True)

            names = ["client", "webclient"] if self.web_client else ["client"]

            self.listeners.append({
                "port": bind_port,
                "bind_address": bind_host,
                "tls": True,
                "type": "http",
                "resources": [
                    {
                        "names": names,
                        "compress": gzip_responses,
                    },
                    {
                        "names": ["federation"],
                        "compress": False,
                    }
                ]
            })

            unsecure_port = config.get("unsecure_port", bind_port - 400)
            if unsecure_port:
                self.listeners.append({
                    "port": unsecure_port,
                    "bind_address": bind_host,
                    "tls": False,
                    "type": "http",
                    "resources": [
                        {
                            "names": names,
                            "compress": gzip_responses,
                        },
                        {
                            "names": ["federation"],
                            "compress": False,
                        }
                    ]
                })

        manhole = config.get("manhole")
        if manhole:
            self.listeners.append({
                "port": manhole,
                "bind_address": "127.0.0.1",
                "type": "manhole",
            })

        metrics_port = config.get("metrics_port")
        if metrics_port:
            self.listeners.append({
                "port": metrics_port,
                "bind_address": config.get("metrics_bind_host", "127.0.0.1"),
                "tls": False,
                "type": "http",
                "resources": [
                    {
                        "names": ["metrics"],
                        "compress": False,
                    },
                ]
            })

        # Attempt to guess the content_addr for the v0 content repostitory
        content_addr = config.get("content_addr")
        if not content_addr:
            for listener in self.listeners:
                if listener["type"] == "http" and not listener.get("tls", False):
                    unsecure_port = listener["port"]
                    break
            else:
                raise RuntimeError("Could not determine 'content_addr'")

            host = self.server_name
            if ':' not in host:
                host = "%s:%d" % (host, unsecure_port)
            else:
                host = host.split(':')[0]
                host = "%s:%d" % (host, unsecure_port)
            content_addr = "http://%s" % (host,)

        self.content_addr = content_addr

    def default_config(self, server_name, **kwargs):
        if ":" in server_name:
            bind_port = int(server_name.split(":")[1])
            unsecure_port = bind_port - 400
        else:
            bind_port = 8448
            unsecure_port = 8008

        pid_file = self.abspath("homeserver.pid")
        return """\
        ## Server ##

        # The domain name of the server, with optional explicit port.
        # This is used by remote servers to connect to this server,
        # e.g. matrix.org, localhost:8080, etc.
        # This is also the last part of your UserID.
        server_name: "%(server_name)s"

        # When running as a daemon, the file to store the pid in
        pid_file: %(pid_file)s

        # Whether to serve a web client from the HTTP/HTTPS root resource.
        web_client: True

        # Set the soft limit on the number of file descriptors synapse can use
        # Zero is used to indicate synapse should set the soft limit to the
        # hard limit.
        soft_file_limit: 0

        # List of ports that Synapse should listen on, their purpose and their
        # configuration.
        listeners:
          # Main HTTPS listener
          # For when matrix traffic is sent directly to synapse.
          -
            # The port to listen for HTTPS requests on.
            port: %(bind_port)s

            # Local interface to listen on.
            # The empty string will cause synapse to listen on all interfaces.
            bind_address: ''

            # This is a 'http' listener, allows us to specify 'resources'.
            type: http

            tls: true

            # Use the X-Forwarded-For (XFF) header as the client IP and not the
            # actual client IP.
            x_forwarded: false

            # List of HTTP resources to serve on this listener.
            resources:
              -
                # List of resources to host on this listener.
                names:
                  - client     # The client-server APIs, both v1 and v2
                  - webclient  # The bundled webclient.

                # Should synapse compress HTTP responses to clients that support it?
                # This should be disabled if running synapse behind a load balancer
                # that can do automatic compression.
                compress: true

              - names: [federation]  # Federation APIs
                compress: false

          # Unsecure HTTP listener,
          # For when matrix traffic passes through loadbalancer that unwraps TLS.
          - port: %(unsecure_port)s
            tls: false
            bind_address: ''
            type: http

            x_forwarded: false

            resources:
              - names: [client, webclient]
                compress: true
              - names: [federation]
                compress: false

          # Turn on the twisted telnet manhole service on localhost on the given
          # port.
          # - port: 9000
          #   bind_address: 127.0.0.1
          #   type: manhole
        """ % locals()

    def read_arguments(self, args):
        if args.manhole is not None:
            self.manhole = args.manhole
        if args.daemonize is not None:
            self.daemonize = args.daemonize
        if args.print_pidfile is not None:
            self.print_pidfile = args.print_pidfile

    def add_arguments(self, parser):
        server_group = parser.add_argument_group("server")
        server_group.add_argument("-D", "--daemonize", action='store_true',
                                  default=None,
                                  help="Daemonize the home server")
        server_group.add_argument("--print-pidfile", action='store_true',
                                  default=None,
                                  help="Print the path to the pidfile just"
                                  " before daemonizing")
        server_group.add_argument("--manhole", metavar="PORT", dest="manhole",
                                  type=int,
                                  help="Turn on the twisted telnet manhole"
                                  " service on the given port.")
<|endoftext|>


<commit_before># -*- coding: utf-8 -*-
# Copyright 2014-2016 OpenMarket Ltd
# Copyright 2017 New Vector Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

from ._base import Config, ConfigError

class ServerConfig(Config):

    def read_config(self, config):
        self.server_name = config["server_name"]
        self.pid_file = self.abspath(config.get("pid_file"))
        self.web_client = config["web_client"]
        self.web_client_location = config.get("web_client_location", None)
        self.soft_file_limit = config["soft_file_limit"]
        self.daemonize = config.get("daemonize")
        self.print_pidfile = config.get("print_pidfile")
        self.user_agent_suffix = config.get("user_agent_suffix")
        self.use_frozen_dicts = config.get("use_frozen_dicts", False)
        self.public_baseurl = config.get("public_baseurl")
        self.cpu_affinity = config.get("cpu_affinity")

        # Whether to send federation traffic out in this process. This only
        # applies to some federation traffic, and so shouldn't be used to
        # "disable" federation
        self.send_federation = config.get("send_federation", True)

        # Whether to update the user directory or not. This should be set to
        # false only if we are updating the user directory in a worker
        self.update_user_directory = config.get("update_user_directory", True)

        # whether to enable the media repository endpoints. This should be set
        # to false if the media repository is running as a separate endpoint;
        # doing so ensures that we will not run cache cleanup jobs on the
        # master, potentially causing inconsistency.
        self.enable_media_repo = config.get("enable_media_repo", True)

        self.filter_timeline_limit = config.get("filter_timeline_limit", -1)

        # Whether we should block invites sent to users on this server
        # (other than those sent by local server admins)
        self.block_non_admin_invites = config.get(
            "block_non_admin_invites", False,
        )

        if self.public_baseurl is not None:
            if self.public_baseurl[-1] != '/':
                self.public_baseurl += '/'
        self.start_pushers = config.get("start_pushers", True)

        self.listeners = config.get("listeners", [])

        for listener in self.listeners:
            bind_address = listener.pop("bind_address", None)
            bind_addresses = listener.setdefault("bind_addresses", [])

            if bind_address:
                bind_addresses.append(bind_address)
            elif not bind_addresses:
                bind_addresses.append('')

        self.gc_thresholds = read_gc_thresholds(config.get("gc_thresholds", None))

        bind_port = config.get("bind_port")
        if bind_port:
            self.listeners = []
            bind_host = config.get("bind_host", "")
            gzip_responses = config.get("gzip_responses", True)

            names = ["client", "webclient"] if self.web_client else ["client"]

            self.listeners.append({
                "port": bind_port,
                "bind_addresses": [bind_host],
                "tls": True,
                "type": "http",
                "resources": [
                    {
                        "names": names,
                        "compress": gzip_responses,
                    },
                    {
                        "names": ["federation"],
                        "compress": False,
                    }
                ]
            })

            unsecure_port = config.get("unsecure_port", bind_port - 400)
            if unsecure_port:
                self.listeners.append({
                    "port": unsecure_port,
                    "bind_addresses": [bind_host],
                    "tls": False,
                    "type": "http",
                    "resources": [
                        {
                            "names": names,
                            "compress": gzip_responses,
                        },
                        {
                            "names": ["federation"],
                            "compress": False,
                        }
                    ]
                })

        manhole = config.get("manhole")
        if manhole:
            self.listeners.append({
                "port": manhole,
                "bind_addresses": ["127.0.0.1"],
                "type": "manhole",
            })

        metrics_port = config.get("metrics_port")
        if metrics_port:
            self.listeners.append({
                "port": metrics_port,
                "bind_addresses": [config.get("metrics_bind_host", "127.0.0.1")],
                "tls": False,
                "type": "http",
                "resources": [
                    {
                        "names": ["metrics"],
                        "compress": False,
                    },
                ]
            })

    def default_config(self, server_name, **kwargs):
        if ":" in server_name:
            bind_port = int(server_name.split(":")[1])
            unsecure_port = bind_port - 400
        else:
            bind_port = 8448
            unsecure_port = 8008

        pid_file = self.abspath("homeserver.pid")
        return """\
        ## Server ##

        # The domain name of the server, with optional explicit port.
        # This is used by remote servers to connect to this server,
        # e.g. matrix.org, localhost:8080, etc.
        # This is also the last part of your UserID.
        server_name: "%(server_name)s"

        # When running as a daemon, the file to store the pid in
        pid_file: %(pid_file)s

        # CPU affinity mask. Setting this restricts the CPUs on which the
        # process will be scheduled. It is represented as a bitmask, with the
        # lowest order bit corresponding to the first logical CPU and the
        # highest order bit corresponding to the last logical CPU. Not all CPUs
        # may exist on a given system but a mask may specify more CPUs than are
        # present.
        #
        # For example:
        #    0x00000001  is processor #0,
        #    0x00000003  is processors #0 and #1,
        #    0xFFFFFFFF  is all processors (#0 through #31).
        #
        # Pinning a Python process to a single CPU is desirable, because Python
        # is inherently single-threaded due to the GIL, and can suffer a
        # 30-40%% slowdown due to cache blow-out and thread context switching
        # if the scheduler happens to schedule the underlying threads across
        # different cores. See
        # https://www.mirantis.com/blog/improve-performance-python-programs-restricting-single-cpu/.
        #
        # cpu_affinity: 0xFFFFFFFF

        # Whether to serve a web client from the HTTP/HTTPS root resource.
        web_client: True

        # The root directory to server for the above web client.
        # If left undefined, synapse will serve the matrix-angular-sdk web client.
        # Make sure matrix-angular-sdk is installed with pip if web_client is True
        # and web_client_location is undefined
        # web_client_location: "/path/to/web/root"

        # The public-facing base URL for the client API (not including _matrix/...)
        # public_baseurl: https://example.com:8448/

        # Set the soft limit on the number of file descriptors synapse can use
        # Zero is used to indicate synapse should set the soft limit to the
        # hard limit.
        soft_file_limit: 0

        # The GC threshold parameters to pass to `gc.set_threshold`, if defined
        # gc_thresholds: [700, 10, 10]

        # Set the limit on the returned events in the timeline in the get
        # and sync operations. The default value is -1, means no upper limit.
        # filter_timeline_limit: 5000

        # Whether room invites to users on this server should be blocked
        # (except those sent by local server admins). The default is False.
        # block_non_admin_invites: True

        # List of ports that Synapse should listen on, their purpose and their
        # configuration.
        listeners:
          # Main HTTPS listener
          # For when matrix traffic is sent directly to synapse.
          -
            # The port to listen for HTTPS requests on.
            port: %(bind_port)s

            # Local addresses to listen on.
            # This will listen on all IPv4 addresses by default.
            bind_addresses:
              - '0.0.0.0'
              # Uncomment to listen on all IPv6 interfaces
              # N.B: On at least Linux this will also listen on all IPv4
              # addresses, so you will need to comment out the line above.
              # - '::'

            # This is a 'http' listener, allows us to specify 'resources'.
            type: http

            tls: true

            # Use the X-Forwarded-For (XFF) header as the client IP and not the
            # actual client IP.
            x_forwarded: false

            # List of HTTP resources to serve on this listener.
            resources:
              -
                # List of resources to host on this listener.
                names:
                  - client     # The client-server APIs, both v1 and v2
                  - webclient  # The bundled webclient.

                # Should synapse compress HTTP responses to clients that support it?
                # This should be disabled if running synapse behind a load balancer
                # that can do automatic compression.
                compress: true

              - names: [federation]  # Federation APIs
                compress: false

            # optional list of additional endpoints which can be loaded via
            # dynamic modules
            # additional_resources:
            #   "/_matrix/my/custom/endpoint":
            #     module: my_module.CustomRequestHandler
            #     config: {}

          # Unsecure HTTP listener,
          # For when matrix traffic passes through loadbalancer that unwraps TLS.
          - port: %(unsecure_port)s
            tls: false
            bind_addresses: ['0.0.0.0']
            type: http

            x_forwarded: false

            resources:
              - names: [client, webclient]
                compress: true
              - names: [federation]
                compress: false

          # Turn on the twisted ssh manhole service on localhost on the given
          # port.
          # - port: 9000
          #   bind_address: 127.0.0.1
          #   type: manhole
        """ % locals()

    def read_arguments(self, args):
        if args.manhole is not None:
            self.manhole = args.manhole
        if args.daemonize is not None:
            self.daemonize = args.daemonize
        if args.print_pidfile is not None:
            self.print_pidfile = args.print_pidfile

    def add_arguments(self, parser):
        server_group = parser.add_argument_group("server")
        server_group.add_argument("-D", "--daemonize", action='store_true',
                                  default=None,
                                  help="Daemonize the home server")
        server_group.add_argument("--print-pidfile", action='store_true',
                                  default=None,
                                  help="Print the path to the pidfile just"
                                  " before daemonizing")
        server_group.add_argument("--manhole", metavar="PORT", dest="manhole",
                                  type=int,
                                  help="Turn on the twisted telnet manhole"
                                  " service on the given port.")

def read_gc_thresholds(thresholds):
    """Reads the three integer thresholds for garbage collection. Ensures that
    the thresholds are integers if thresholds are supplied.
    """
    if thresholds is None:
        return None
    try:
        assert len(thresholds) == 3
        return (
            int(thresholds[0]), int(thresholds[1]), int(thresholds[2]),
        )
    except Exception:
        raise ConfigError(
            "Value of `gc_threshold` must be a list of three integers if set"
        )
<commit_msg>Adapt the default config to bind on IPv6.<commit_after># -*- coding: utf-8 -*-
# Copyright 2014-2016 OpenMarket Ltd
# Copyright 2017 New Vector Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

from ._base import Config, ConfigError

class ServerConfig(Config):

    def read_config(self, config):
        self.server_name = config["server_name"]
        self.pid_file = self.abspath(config.get("pid_file"))
        self.web_client = config["web_client"]
        self.web_client_location = config.get("web_client_location", None)
        self.soft_file_limit = config["soft_file_limit"]
        self.daemonize = config.get("daemonize")
        self.print_pidfile = config.get("print_pidfile")
        self.user_agent_suffix = config.get("user_agent_suffix")
        self.use_frozen_dicts = config.get("use_frozen_dicts", False)
        self.public_baseurl = config.get("public_baseurl")
        self.cpu_affinity = config.get("cpu_affinity")

        # Whether to send federation traffic out in this process. This only
        # applies to some federation traffic, and so shouldn't be used to
        # "disable" federation
        self.send_federation = config.get("send_federation", True)

        # Whether to update the user directory or not. This should be set to
        # false only if we are updating the user directory in a worker
        self.update_user_directory = config.get("update_user_directory", True)

        # whether to enable the media repository endpoints. This should be set
        # to false if the media repository is running as a separate endpoint;
        # doing so ensures that we will not run cache cleanup jobs on the
        # master, potentially causing inconsistency.
        self.enable_media_repo = config.get("enable_media_repo", True)

        self.filter_timeline_limit = config.get("filter_timeline_limit", -1)

        # Whether we should block invites sent to users on this server
        # (other than those sent by local server admins)
        self.block_non_admin_invites = config.get(
            "block_non_admin_invites", False,
        )

        if self.public_baseurl is not None:
            if self.public_baseurl[-1] != '/':
                self.public_baseurl += '/'
        self.start_pushers = config.get("start_pushers", True)

        self.listeners = config.get("listeners", [])

        for listener in self.listeners:
            bind_address = listener.pop("bind_address", None)
            bind_addresses = listener.setdefault("bind_addresses", [])

            if bind_address:
                bind_addresses.append(bind_address)
            elif not bind_addresses:
                bind_addresses.append('')

        self.gc_thresholds = read_gc_thresholds(config.get("gc_thresholds", None))

        bind_port = config.get("bind_port")
        if bind_port:
            self.listeners = []
            bind_host = config.get("bind_host", "")
            gzip_responses = config.get("gzip_responses", True)

            names = ["client", "webclient"] if self.web_client else ["client"]

            self.listeners.append({
                "port": bind_port,
                "bind_addresses": [bind_host],
                "tls": True,
                "type": "http",
                "resources": [
                    {
                        "names": names,
                        "compress": gzip_responses,
                    },
                    {
                        "names": ["federation"],
                        "compress": False,
                    }
                ]
            })

            unsecure_port = config.get("unsecure_port", bind_port - 400)
            if unsecure_port:
                self.listeners.append({
                    "port": unsecure_port,
                    "bind_addresses": [bind_host],
                    "tls": False,
                    "type": "http",
                    "resources": [
                        {
                            "names": names,
                            "compress": gzip_responses,
                        },
                        {
                            "names": ["federation"],
                            "compress": False,
                        }
                    ]
                })

        manhole = config.get("manhole")
        if manhole:
            self.listeners.append({
                "port": manhole,
                "bind_addresses": ["127.0.0.1"],
                "type": "manhole",
            })

        metrics_port = config.get("metrics_port")
        if metrics_port:
            self.listeners.append({
                "port": metrics_port,
                "bind_addresses": [config.get("metrics_bind_host", "127.0.0.1")],
                "tls": False,
                "type": "http",
                "resources": [
                    {
                        "names": ["metrics"],
                        "compress": False,
                    },
                ]
            })

    def default_config(self, server_name, **kwargs):
        if ":" in server_name:
            bind_port = int(server_name.split(":")[1])
            unsecure_port = bind_port - 400
        else:
            bind_port = 8448
            unsecure_port = 8008

        pid_file = self.abspath("homeserver.pid")
        return """\
        ## Server ##

        # The domain name of the server, with optional explicit port.
        # This is used by remote servers to connect to this server,
        # e.g. matrix.org, localhost:8080, etc.
        # This is also the last part of your UserID.
        server_name: "%(server_name)s"

        # When running as a daemon, the file to store the pid in
        pid_file: %(pid_file)s

        # CPU affinity mask. Setting this restricts the CPUs on which the
        # process will be scheduled. It is represented as a bitmask, with the
        # lowest order bit corresponding to the first logical CPU and the
        # highest order bit corresponding to the last logical CPU. Not all CPUs
        # may exist on a given system but a mask may specify more CPUs than are
        # present.
        #
        # For example:
        #    0x00000001  is processor #0,
        #    0x00000003  is processors #0 and #1,
        #    0xFFFFFFFF  is all processors (#0 through #31).
        #
        # Pinning a Python process to a single CPU is desirable, because Python
        # is inherently single-threaded due to the GIL, and can suffer a
        # 30-40%% slowdown due to cache blow-out and thread context switching
        # if the scheduler happens to schedule the underlying threads across
        # different cores. See
        # https://www.mirantis.com/blog/improve-performance-python-programs-restricting-single-cpu/.
        #
        # cpu_affinity: 0xFFFFFFFF

        # Whether to serve a web client from the HTTP/HTTPS root resource.
        web_client: True

        # The root directory to server for the above web client.
        # If left undefined, synapse will serve the matrix-angular-sdk web client.
        # Make sure matrix-angular-sdk is installed with pip if web_client is True
        # and web_client_location is undefined
        # web_client_location: "/path/to/web/root"

        # The public-facing base URL for the client API (not including _matrix/...)
        # public_baseurl: https://example.com:8448/

        # Set the soft limit on the number of file descriptors synapse can use
        # Zero is used to indicate synapse should set the soft limit to the
        # hard limit.
        soft_file_limit: 0

        # The GC threshold parameters to pass to `gc.set_threshold`, if defined
        # gc_thresholds: [700, 10, 10]

        # Set the limit on the returned events in the timeline in the get
        # and sync operations. The default value is -1, means no upper limit.
        # filter_timeline_limit: 5000

        # Whether room invites to users on this server should be blocked
        # (except those sent by local server admins). The default is False.
        # block_non_admin_invites: True

        # List of ports that Synapse should listen on, their purpose and their
        # configuration.
        listeners:
          # Main HTTPS listener
          # For when matrix traffic is sent directly to synapse.
          -
            # The port to listen for HTTPS requests on.
            port: %(bind_port)s

            # Local addresses to listen on.
            # On Linux and Mac OS, this will listen on all IPv4 and IPv6
            # addresses by default. For most other OSes, this will only listen
            # on IPv6.
            bind_addresses:
              - '::'
              # For systems other than Linux or Mac OS, uncomment the next line
              # to also listen on IPv4.
              #- '0.0.0.0'

            # This is a 'http' listener, allows us to specify 'resources'.
            type: http

            tls: true

            # Use the X-Forwarded-For (XFF) header as the client IP and not the
            # actual client IP.
            x_forwarded: false

            # List of HTTP resources to serve on this listener.
            resources:
              -
                # List of resources to host on this listener.
                names:
                  - client     # The client-server APIs, both v1 and v2
                  - webclient  # The bundled webclient.

                # Should synapse compress HTTP responses to clients that support it?
                # This should be disabled if running synapse behind a load balancer
                # that can do automatic compression.
                compress: true

              - names: [federation]  # Federation APIs
                compress: false

            # optional list of additional endpoints which can be loaded via
            # dynamic modules
            # additional_resources:
            #   "/_matrix/my/custom/endpoint":
            #     module: my_module.CustomRequestHandler
            #     config: {}

          # Unsecure HTTP listener,
          # For when matrix traffic passes through loadbalancer that unwraps TLS.
          - port: %(unsecure_port)s
            tls: false
            bind_addresses: ['::']
            type: http

            x_forwarded: false

            resources:
              - names: [client, webclient]
                compress: true
              - names: [federation]
                compress: false

          # Turn on the twisted ssh manhole service on localhost on the given
          # port.
          # - port: 9000
          #   bind_addresses: ['::1', '127.0.0.1']
          #   type: manhole
        """ % locals()

    def read_arguments(self, args):
        if args.manhole is not None:
            self.manhole = args.manhole
        if args.daemonize is not None:
            self.daemonize = args.daemonize
        if args.print_pidfile is not None:
            self.print_pidfile = args.print_pidfile

    def add_arguments(self, parser):
        server_group = parser.add_argument_group("server")
        server_group.add_argument("-D", "--daemonize", action='store_true',
                                  default=None,
                                  help="Daemonize the home server")
        server_group.add_argument("--print-pidfile", action='store_true',
                                  default=None,
                                  help="Print the path to the pidfile just"
                                  " before daemonizing")
        server_group.add_argument("--manhole", metavar="PORT", dest="manhole",
                                  type=int,
                                  help="Turn on the twisted telnet manhole"
                                  " service on the given port.")

def read_gc_thresholds(thresholds):
    """Reads the three integer thresholds for garbage collection. Ensures that
    the thresholds are integers if thresholds are supplied.
    """
    if thresholds is None:
        return None
    try:
        assert len(thresholds) == 3
        return (
            int(thresholds[0]), int(thresholds[1]), int(thresholds[2]),
        )
    except Exception:
        raise ConfigError(
            "Value of `gc_threshold` must be a list of three integers if set"
        )
<|endoftext|>


<commit_before># -*- coding: utf-8 -*-
"""
Colour - HDRI
=============

HDRI - Radiance image processing algorithms for *Python*.

Subpackages
-----------
-   calibration: Camera calibration computations.
-   examples: Examples for the sub-packages.
-   generation: HDRI / radiance image generation.
-   models: Colour models conversion.
-   plotting: Diagrams, figures, etc...
-   process: Image conversion helpers.
-   recovery: Clipped highlights recovery.
-   resources: Resources sub-modules.
-   sampling: Image sampling routines.
-   tonemapping: Tonemapping operators.
-   utilities: Various utilities and data structures.
"""

from __future__ import absolute_import

import numpy as np
import os

from .utilities import (
    EXIF_EXECUTABLE, ExifTag, adjust_exposure, average_luminance,
    copy_exif_tags, delete_exif_tags, exposure_value, filter_files, Image,
    ImageStack, Metadata, parse_exif_array, parse_exif_data,
    parse_exif_fraction, parse_exif_numeric, parse_exif_string, path_exists,
    read_exif_tag, read_exif_tags, update_exif_tags, vivification,
    vivified_to_dict, write_exif_tag)
from .sampling import (
    light_probe_sampling_variance_minimization_Viriyothai2009,
    samples_Grossberg2003)
from .generation import (normal_distribution_function, hat_function,
                         weighting_function_Debevec1997,
                         image_stack_to_radiance_image)
from .calibration import (absolute_luminance_calibration_Lagarde2016,
                          camera_response_functions_Debevec1997, g_solve,
                          upper_hemisphere_illuminance_weights_Lagarde2016)
from .models import (camera_neutral_to_xy, camera_space_to_RGB,
                     camera_space_to_sRGB, camera_space_to_XYZ_matrix,
                     xy_to_camera_neutral, XYZ_to_camera_space_matrix)
from .process import (DNG_CONVERSION_ARGUMENTS, DNG_CONVERTER,
                      DNG_EXIF_TAGS_BINDING, RAW_CONVERSION_ARGUMENTS,
                      RAW_CONVERTER, RAW_D_CONVERSION_ARGUMENTS,
                      convert_dng_files_to_intermediate_files,
                      convert_raw_files_to_dng_files, read_dng_files_exif_tags)
from .recovery import (highlights_recovery_blend, highlights_recovery_LCHab)
from .tonemapping import (
    tonemapping_operator_exponential,
    tonemapping_operator_exponentiation_mapping, tonemapping_operator_filmic,
    tonemapping_operator_gamma, tonemapping_operator_logarithmic,
    tonemapping_operator_logarithmic_mapping,
    tonemapping_operator_normalisation, tonemapping_operator_Reinhard2004,
    tonemapping_operator_Schlick1994, tonemapping_operator_simple,
    tonemapping_operator_Tumblin1999)

__author__ = 'Colour Developers'
__copyright__ = 'Copyright (C) 2015-2018 - Colour Developers'
__license__ = 'New BSD License - http://opensource.org/licenses/BSD-3-Clause'
__maintainer__ = 'Colour Developers'
__email__ = 'colour-science@googlegroups.com'
__status__ = 'Production'

__all__ = [
    'EXIF_EXECUTABLE', 'ExifTag', 'adjust_exposure', 'average_luminance',
    'copy_exif_tags', 'delete_exif_tags', 'exposure_value', 'filter_files',
    'Image', 'ImageStack', 'Metadata', 'parse_exif_array', 'parse_exif_data',
    'parse_exif_fraction', 'parse_exif_numeric', 'parse_exif_string',
    'path_exists', 'read_exif_tag', 'read_exif_tags', 'update_exif_tags',
    'vivification', 'vivified_to_dict', 'write_exif_tag'
]
__all__ += [
    'light_probe_sampling_variance_minimization_Viriyothai2009',
    'samples_Grossberg2003'
]
__all__ += [
    'normal_distribution_function', 'hat_function',
    'weighting_function_Debevec1997', 'image_stack_to_radiance_image'
]
__all__ += [
    'absolute_luminance_calibration_Lagarde2016',
    'camera_response_functions_Debevec1997', 'g_solve',
    'upper_hemisphere_illuminance_weights_Lagarde2016'
]
__all__ += [
    'camera_neutral_to_xy', 'camera_space_to_RGB', 'camera_space_to_sRGB',
    'camera_space_to_XYZ_matrix', 'xy_to_camera_neutral',
    'XYZ_to_camera_space_matrix'
]
__all__ += [
    'DNG_CONVERSION_ARGUMENTS', 'DNG_CONVERTER', 'DNG_EXIF_TAGS_BINDING',
    'RAW_CONVERSION_ARGUMENTS', 'RAW_CONVERTER', 'RAW_D_CONVERSION_ARGUMENTS',
    'convert_dng_files_to_intermediate_files',
    'convert_raw_files_to_dng_files', 'read_dng_files_exif_tags'
]
__all__ += ['highlights_recovery_blend', 'highlights_recovery_LCHab']
__all__ += [
    'tonemapping_operator_exponential',
    'tonemapping_operator_exponentiation_mapping',
    'tonemapping_operator_filmic', 'tonemapping_operator_gamma',
    'tonemapping_operator_logarithmic',
    'tonemapping_operator_logarithmic_mapping',
    'tonemapping_operator_normalisation', 'tonemapping_operator_Reinhard2004',
    'tonemapping_operator_Schlick1994', 'tonemapping_operator_simple',
    'tonemapping_operator_Tumblin1999'
]

RESOURCES_DIRECTORY = os.path.join(os.path.dirname(__file__), 'resources')
EXAMPLES_RESOURCES_DIRECTORY = os.path.join(RESOURCES_DIRECTORY,
                                            'colour-hdri-examples-dataset')
TESTS_RESOURCES_DIRECTORY = os.path.join(RESOURCES_DIRECTORY,
                                         'colour-hdri-tests-dataset')

__application_name__ = 'Colour - HDRI'

__major_version__ = '0'
__minor_version__ = '1'
__change_version__ = '4'
__version__ = '.'.join(
    (__major_version__,
     __minor_version__,
     __change_version__))  # yapf: disable

# TODO: Remove legacy printing support when deemed appropriate.
np.set_printoptions(legacy='1.13')
<commit_msg>Ensure that "Numpy" "legacy" print argument does not raise an error on older "Numpy" versions.<commit_after># -*- coding: utf-8 -*-
"""
Colour - HDRI
=============

HDRI - Radiance image processing algorithms for *Python*.

Subpackages
-----------
-   calibration: Camera calibration computations.
-   examples: Examples for the sub-packages.
-   generation: HDRI / radiance image generation.
-   models: Colour models conversion.
-   plotting: Diagrams, figures, etc...
-   process: Image conversion helpers.
-   recovery: Clipped highlights recovery.
-   resources: Resources sub-modules.
-   sampling: Image sampling routines.
-   tonemapping: Tonemapping operators.
-   utilities: Various utilities and data structures.
"""

from __future__ import absolute_import

import numpy as np
import os

from .utilities import (
    EXIF_EXECUTABLE, ExifTag, adjust_exposure, average_luminance,
    copy_exif_tags, delete_exif_tags, exposure_value, filter_files, Image,
    ImageStack, Metadata, parse_exif_array, parse_exif_data,
    parse_exif_fraction, parse_exif_numeric, parse_exif_string, path_exists,
    read_exif_tag, read_exif_tags, update_exif_tags, vivification,
    vivified_to_dict, write_exif_tag)
from .sampling import (
    light_probe_sampling_variance_minimization_Viriyothai2009,
    samples_Grossberg2003)
from .generation import (normal_distribution_function, hat_function,
                         weighting_function_Debevec1997,
                         image_stack_to_radiance_image)
from .calibration import (absolute_luminance_calibration_Lagarde2016,
                          camera_response_functions_Debevec1997, g_solve,
                          upper_hemisphere_illuminance_weights_Lagarde2016)
from .models import (camera_neutral_to_xy, camera_space_to_RGB,
                     camera_space_to_sRGB, camera_space_to_XYZ_matrix,
                     xy_to_camera_neutral, XYZ_to_camera_space_matrix)
from .process import (DNG_CONVERSION_ARGUMENTS, DNG_CONVERTER,
                      DNG_EXIF_TAGS_BINDING, RAW_CONVERSION_ARGUMENTS,
                      RAW_CONVERTER, RAW_D_CONVERSION_ARGUMENTS,
                      convert_dng_files_to_intermediate_files,
                      convert_raw_files_to_dng_files, read_dng_files_exif_tags)
from .recovery import (highlights_recovery_blend, highlights_recovery_LCHab)
from .tonemapping import (
    tonemapping_operator_exponential,
    tonemapping_operator_exponentiation_mapping, tonemapping_operator_filmic,
    tonemapping_operator_gamma, tonemapping_operator_logarithmic,
    tonemapping_operator_logarithmic_mapping,
    tonemapping_operator_normalisation, tonemapping_operator_Reinhard2004,
    tonemapping_operator_Schlick1994, tonemapping_operator_simple,
    tonemapping_operator_Tumblin1999)

__author__ = 'Colour Developers'
__copyright__ = 'Copyright (C) 2015-2018 - Colour Developers'
__license__ = 'New BSD License - http://opensource.org/licenses/BSD-3-Clause'
__maintainer__ = 'Colour Developers'
__email__ = 'colour-science@googlegroups.com'
__status__ = 'Production'

__all__ = [
    'EXIF_EXECUTABLE', 'ExifTag', 'adjust_exposure', 'average_luminance',
    'copy_exif_tags', 'delete_exif_tags', 'exposure_value', 'filter_files',
    'Image', 'ImageStack', 'Metadata', 'parse_exif_array', 'parse_exif_data',
    'parse_exif_fraction', 'parse_exif_numeric', 'parse_exif_string',
    'path_exists', 'read_exif_tag', 'read_exif_tags', 'update_exif_tags',
    'vivification', 'vivified_to_dict', 'write_exif_tag'
]
__all__ += [
    'light_probe_sampling_variance_minimization_Viriyothai2009',
    'samples_Grossberg2003'
]
__all__ += [
    'normal_distribution_function', 'hat_function',
    'weighting_function_Debevec1997', 'image_stack_to_radiance_image'
]
__all__ += [
    'absolute_luminance_calibration_Lagarde2016',
    'camera_response_functions_Debevec1997', 'g_solve',
    'upper_hemisphere_illuminance_weights_Lagarde2016'
]
__all__ += [
    'camera_neutral_to_xy', 'camera_space_to_RGB', 'camera_space_to_sRGB',
    'camera_space_to_XYZ_matrix', 'xy_to_camera_neutral',
    'XYZ_to_camera_space_matrix'
]
__all__ += [
    'DNG_CONVERSION_ARGUMENTS', 'DNG_CONVERTER', 'DNG_EXIF_TAGS_BINDING',
    'RAW_CONVERSION_ARGUMENTS', 'RAW_CONVERTER', 'RAW_D_CONVERSION_ARGUMENTS',
    'convert_dng_files_to_intermediate_files',
    'convert_raw_files_to_dng_files', 'read_dng_files_exif_tags'
]
__all__ += ['highlights_recovery_blend', 'highlights_recovery_LCHab']
__all__ += [
    'tonemapping_operator_exponential',
    'tonemapping_operator_exponentiation_mapping',
    'tonemapping_operator_filmic', 'tonemapping_operator_gamma',
    'tonemapping_operator_logarithmic',
    'tonemapping_operator_logarithmic_mapping',
    'tonemapping_operator_normalisation', 'tonemapping_operator_Reinhard2004',
    'tonemapping_operator_Schlick1994', 'tonemapping_operator_simple',
    'tonemapping_operator_Tumblin1999'
]

RESOURCES_DIRECTORY = os.path.join(os.path.dirname(__file__), 'resources')
EXAMPLES_RESOURCES_DIRECTORY = os.path.join(RESOURCES_DIRECTORY,
                                            'colour-hdri-examples-dataset')
TESTS_RESOURCES_DIRECTORY = os.path.join(RESOURCES_DIRECTORY,
                                         'colour-hdri-tests-dataset')

__application_name__ = 'Colour - HDRI'

__major_version__ = '0'
__minor_version__ = '1'
__change_version__ = '4'
__version__ = '.'.join(
    (__major_version__,
     __minor_version__,
     __change_version__))  # yapf: disable

# TODO: Remove legacy printing support when deemed appropriate.
try:
    np.set_printoptions(legacy='1.13')
except TypeError:
    pass<|endoftext|>


<commit_before># -*- coding: utf-8 -*-
# Copyright 2015 OpenMarket Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

from twisted.internet import defer

from synapse.streams.config import PaginationConfig
from synapse.types import StreamToken, UserID

import synapse.util.async
import baserules

import logging
import simplejson as json
import re

logger = logging.getLogger(__name__)

class Pusher(object):
    INITIAL_BACKOFF = 1000
    MAX_BACKOFF = 60 * 60 * 1000
    GIVE_UP_AFTER = 24 * 60 * 60 * 1000
    DEFAULT_ACTIONS = ['dont_notify']

    INEQUALITY_EXPR = re.compile("^([=<>]*)([0-9]*)$")

    def __init__(self, _hs, profile_tag, user_name, app_id,
                 app_display_name, device_display_name, pushkey, pushkey_ts,
                 data, last_token, last_success, failing_since):
        self.hs = _hs
        self.evStreamHandler = self.hs.get_handlers().event_stream_handler
        self.store = self.hs.get_datastore()
        self.clock = self.hs.get_clock()
        self.profile_tag = profile_tag
        self.user_name = user_name
        self.app_id = app_id
        self.app_display_name = app_display_name
        self.device_display_name = device_display_name
        self.pushkey = pushkey
        self.pushkey_ts = pushkey_ts
        self.data = data
        self.last_token = last_token
        self.last_success = last_success  # not actually used
        self.backoff_delay = Pusher.INITIAL_BACKOFF
        self.failing_since = failing_since
        self.alive = True

        # The last value of last_active_time that we saw
        self.last_last_active_time = 0
        self.has_unread = True

    @defer.inlineCallbacks
    def _actions_for_event(self, ev):
        """
        This should take into account notification settings that the user
        has configured both globally and per-room when we have the ability
        to do such things.
        """
        if ev['user_id'] == self.user_name:
            # let's assume you probably know about messages you sent yourself
            defer.returnValue(['dont_notify'])

        rawrules = yield self.store.get_push_rules_for_user(self.user_name)

        rules = []
        for rawrule in rawrules:
            rule = dict(rawrules)
            rule['conditions'] = json.loads(rawrule['conditions'])
            rule['actions'] = json.loads(rawrule['actions'])
            rules.append(rule)

        enabled_map = yield self.store.get_push_rules_enabled_for_user(self.user_name)

        user = UserID.from_string(self.user_name)

        rules = baserules.list_with_base_rules(rules, user)

        room_id = ev['room_id']

        # get *our* member event for display name matching
        my_display_name = None
        our_member_event = yield self.store.get_current_state(
            room_id=room_id,
            event_type='m.room.member',
            state_key=self.user_name,
        )
        if our_member_event:
            my_display_name = our_member_event[0].content.get("displayname")

        room_members = yield self.store.get_users_in_room(room_id)
        room_member_count = len(room_members)

        for r in rules:
            if r['rule_id'] in enabled_map:
                r['enabled'] = enabled_map[r['rule_id']]
            elif 'enabled' not in r:
                r['enabled'] = True
            if not r['enabled']:
                continue
            matches = True

            conditions = r['conditions']
            actions = r['actions']

            for c in conditions:
                matches &= self._event_fulfills_condition(
                    ev, c, display_name=my_display_name,
                    room_member_count=room_member_count
                )
            logger.debug(
                "Rule %s %s",
                r['rule_id'], "matches" if matches else "doesn't match"
            )
            # ignore rules with no actions (we have an explict 'dont_notify')
            if len(actions) == 0:
                logger.warn(
                    "Ignoring rule id %s with no actions for user %s",
                    r['rule_id'], self.user_name
                )
                continue
            if matches:
                logger.info(
                    "%s matches for user %s, event %s",
                    r['rule_id'], self.user_name, ev['event_id']
                )
                defer.returnValue(actions)

        logger.info(
            "No rules match for user %s, event %s",
            self.user_name, ev['event_id']
        )
        defer.returnValue(Pusher.DEFAULT_ACTIONS)

    @staticmethod
    def _glob_to_regexp(glob):
        r = re.escape(glob)
        r = re.sub(r'\\\*', r'.*?', r)
        r = re.sub(r'\\\?', r'.', r)

        # handle [abc], [a-z] and [!a-z] style ranges.
        r = re.sub(r'\\\[(\\\!|)(.*)\\\]',
                   lambda x: ('[%s%s]' % (x.group(1) and '^' or '',
                                          re.sub(r'\\\-', '-', x.group(2)))), r)
        return r

    def _event_fulfills_condition(self, ev, condition, display_name, room_member_count):
        if condition['kind'] == 'event_match':
            if 'pattern' not in condition:
                logger.warn("event_match condition with no pattern")
                return False
            # XXX: optimisation: cache our pattern regexps
            if condition['key'] == 'content.body':
                r = r'\b%s\b' % self._glob_to_regexp(condition['pattern'])
            else:
                r = r'^%s$' % self._glob_to_regexp(condition['pattern'])
            val = _value_for_dotted_key(condition['key'], ev)
            if val is None:
                return False
            return re.search(r, val, flags=re.IGNORECASE) is not None

        elif condition['kind'] == 'device':
            if 'profile_tag' not in condition:
                return True
            return condition['profile_tag'] == self.profile_tag

        elif condition['kind'] == 'contains_display_name':
            # This is special because display names can be different
            # between rooms and so you can't really hard code it in a rule.
            # Optimisation: we should cache these names and update them from
            # the event stream.
            if 'content' not in ev or 'body' not in ev['content']:
                return False
            if not display_name:
                return False
            return re.search(
                "\b%s\b" % re.escape(display_name), ev['content']['body'],
                flags=re.IGNORECASE
            ) is not None

        elif condition['kind'] == 'room_member_count':
            if 'is' not in condition:
                return False
            m = Pusher.INEQUALITY_EXPR.match(condition['is'])
            if not m:
                return False
            ineq = m.group(1)
            rhs = m.group(2)
            if not rhs.isdigit():
                return False
            rhs = int(rhs)

            if ineq == '' or ineq == '==':
                return room_member_count == rhs
            elif ineq == '<':
                return room_member_count < rhs
            elif ineq == '>':
                return room_member_count > rhs
            elif ineq == '>=':
                return room_member_count >= rhs
            elif ineq == '<=':
                return room_member_count <= rhs
            else:
                return False
        else:
            return True

    @defer.inlineCallbacks
    def get_context_for_event(self, ev):
        name_aliases = yield self.store.get_room_name_and_aliases(
            ev['room_id']
        )

        ctx = {'aliases': name_aliases[1]}
        if name_aliases[0] is not None:
            ctx['name'] = name_aliases[0]

        their_member_events_for_room = yield self.store.get_current_state(
            room_id=ev['room_id'],
            event_type='m.room.member',
            state_key=ev['user_id']
        )
        for mev in their_member_events_for_room:
            if mev.content['membership'] == 'join' and 'displayname' in mev.content:
                dn = mev.content['displayname']
                if dn is not None:
                    ctx['sender_display_name'] = dn

        defer.returnValue(ctx)

    @defer.inlineCallbacks
    def start(self):
        if not self.last_token:
            # First-time setup: get a token to start from (we can't
            # just start from no token, ie. 'now'
            # because we need the result to be reproduceable in case
            # we fail to dispatch the push)
            config = PaginationConfig(from_token=None, limit='1')
            chunk = yield self.evStreamHandler.get_stream(
                self.user_name, config, timeout=0)
            self.last_token = chunk['end']
            self.store.update_pusher_last_token(
                self.app_id, self.pushkey, self.user_name, self.last_token
            )
            logger.info("Pusher %s for user %s starting from token %s",
                        self.pushkey, self.user_name, self.last_token)

        while self.alive:
            from_tok = StreamToken.from_string(self.last_token)
            config = PaginationConfig(from_token=from_tok, limit='1')
            chunk = yield self.evStreamHandler.get_stream(
                self.user_name, config,
                timeout=100*365*24*60*60*1000, affect_presence=False
            )

            # limiting to 1 may get 1 event plus 1 presence event, so
            # pick out the actual event
            single_event = None
            for c in chunk['chunk']:
                if 'event_id' in c:  # Hmmm...
                    single_event = c
                    break
            if not single_event:
                self.last_token = chunk['end']
                continue

            if not self.alive:
                continue

            processed = False
            actions = yield self._actions_for_event(single_event)
            tweaks = _tweaks_for_actions(actions)

            if len(actions) == 0:
                logger.warn("Empty actions! Using default action.")
                actions = Pusher.DEFAULT_ACTIONS

            if 'notify' not in actions and 'dont_notify' not in actions:
                logger.warn("Neither notify nor dont_notify in actions: adding default")
                actions.extend(Pusher.DEFAULT_ACTIONS)

            if 'dont_notify' in actions:
                logger.debug(
                    "%s for %s: dont_notify",
                    single_event['event_id'], self.user_name
                )
                processed = True
            else:
                rejected = yield self.dispatch_push(single_event, tweaks)
                self.has_unread = True
                if isinstance(rejected, list) or isinstance(rejected, tuple):
                    processed = True
                    for pk in rejected:
                        if pk != self.pushkey:
                            # for sanity, we only remove the pushkey if it
                            # was the one we actually sent...
                            logger.warn(
                                ("Ignoring rejected pushkey %s because we"
                                 " didn't send it"), pk
                            )
                        else:
                            logger.info(
                                "Pushkey %s was rejected: removing",
                                pk
                            )
                            yield self.hs.get_pusherpool().remove_pusher(
                                self.app_id, pk, self.user_name
                            )

            if not self.alive:
                continue

            if processed:
                self.backoff_delay = Pusher.INITIAL_BACKOFF
                self.last_token = chunk['end']
                self.store.update_pusher_last_token_and_success(
                    self.app_id,
                    self.pushkey,
                    self.user_name,
                    self.last_token,
                    self.clock.time_msec()
                )
                if self.failing_since:
                    self.failing_since = None
                    self.store.update_pusher_failing_since(
                        self.app_id,
                        self.pushkey,
                        self.user_name,
                        self.failing_since)
            else:
                if not self.failing_since:
                    self.failing_since = self.clock.time_msec()
                    self.store.update_pusher_failing_since(
                        self.app_id,
                        self.pushkey,
                        self.user_name,
                        self.failing_since
                    )

                if (self.failing_since and
                   self.failing_since <
                   self.clock.time_msec() - Pusher.GIVE_UP_AFTER):
                    # we really only give up so that if the URL gets
                    # fixed, we don't suddenly deliver a load
                    # of old notifications.
                    logger.warn("Giving up on a notification to user %s, "
                                "pushkey %s",
                                self.user_name, self.pushkey)
                    self.backoff_delay = Pusher.INITIAL_BACKOFF
                    self.last_token = chunk['end']
                    self.store.update_pusher_last_token(
                        self.app_id,
                        self.pushkey,
                        self.user_name,
                        self.last_token
                    )

                    self.failing_since = None
                    self.store.update_pusher_failing_since(
                        self.app_id,
                        self.pushkey,
                        self.user_name,
                        self.failing_since
                    )
                else:
                    logger.warn("Failed to dispatch push for user %s "
                                "(failing for %dms)."
                                "Trying again in %dms",
                                self.user_name,
                                self.clock.time_msec() - self.failing_since,
                                self.backoff_delay)
                    yield synapse.util.async.sleep(self.backoff_delay / 1000.0)
                    self.backoff_delay *= 2
                    if self.backoff_delay > Pusher.MAX_BACKOFF:
                        self.backoff_delay = Pusher.MAX_BACKOFF

    def stop(self):
        self.alive = False

    def dispatch_push(self, p, tweaks):
        """
        Overridden by implementing classes to actually deliver the notification
        Args:
            p: The event to notify for as a single event from the event stream
        Returns: If the notification was delivered, an array containing any
                 pushkeys that were rejected by the push gateway.
                 False if the notification could not be delivered (ie.
                 should be retried).
        """
        pass

    def reset_badge_count(self):
        pass

    def presence_changed(self, state):
        """
        We clear badge counts whenever a user's last_active time is bumped
        This is by no means perfect but I think it's the best we can do
        without read receipts.
        """
        if 'last_active' in state.state:
            last_active = state.state['last_active']
            if last_active > self.last_last_active_time:
                self.last_last_active_time = last_active
                if self.has_unread:
                    logger.info("Resetting badge count for %s", self.user_name)
                    self.reset_badge_count()
                    self.has_unread = False

def _value_for_dotted_key(dotted_key, event):
    parts = dotted_key.split(".")
    val = event
    while len(parts) > 0:
        if parts[0] not in val:
            return None
        val = val[parts[0]]
        parts = parts[1:]
    return val

def _tweaks_for_actions(actions):
    tweaks = {}
    for a in actions:
        if not isinstance(a, dict):
            continue
        if 'set_tweak' in a and 'value' in a:
            tweaks[a['set_tweak']] = a['value']
    return tweaks

class PusherConfigException(Exception):
    def __init__(self, msg):
        super(PusherConfigException, self).__init__(msg)
<commit_msg>Take a dict of the rule, not the rule list<commit_after># -*- coding: utf-8 -*-
# Copyright 2015 OpenMarket Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

from twisted.internet import defer

from synapse.streams.config import PaginationConfig
from synapse.types import StreamToken, UserID

import synapse.util.async
import baserules

import logging
import simplejson as json
import re

logger = logging.getLogger(__name__)

class Pusher(object):
    INITIAL_BACKOFF = 1000
    MAX_BACKOFF = 60 * 60 * 1000
    GIVE_UP_AFTER = 24 * 60 * 60 * 1000
    DEFAULT_ACTIONS = ['dont_notify']

    INEQUALITY_EXPR = re.compile("^([=<>]*)([0-9]*)$")

    def __init__(self, _hs, profile_tag, user_name, app_id,
                 app_display_name, device_display_name, pushkey, pushkey_ts,
                 data, last_token, last_success, failing_since):
        self.hs = _hs
        self.evStreamHandler = self.hs.get_handlers().event_stream_handler
        self.store = self.hs.get_datastore()
        self.clock = self.hs.get_clock()
        self.profile_tag = profile_tag
        self.user_name = user_name
        self.app_id = app_id
        self.app_display_name = app_display_name
        self.device_display_name = device_display_name
        self.pushkey = pushkey
        self.pushkey_ts = pushkey_ts
        self.data = data
        self.last_token = last_token
        self.last_success = last_success  # not actually used
        self.backoff_delay = Pusher.INITIAL_BACKOFF
        self.failing_since = failing_since
        self.alive = True

        # The last value of last_active_time that we saw
        self.last_last_active_time = 0
        self.has_unread = True

    @defer.inlineCallbacks
    def _actions_for_event(self, ev):
        """
        This should take into account notification settings that the user
        has configured both globally and per-room when we have the ability
        to do such things.
        """
        if ev['user_id'] == self.user_name:
            # let's assume you probably know about messages you sent yourself
            defer.returnValue(['dont_notify'])

        rawrules = yield self.store.get_push_rules_for_user(self.user_name)

        rules = []
        for rawrule in rawrules:
            rule = dict(rawrule)
            rule['conditions'] = json.loads(rawrule['conditions'])
            rule['actions'] = json.loads(rawrule['actions'])
            rules.append(rule)

        enabled_map = yield self.store.get_push_rules_enabled_for_user(self.user_name)

        user = UserID.from_string(self.user_name)

        rules = baserules.list_with_base_rules(rules, user)

        room_id = ev['room_id']

        # get *our* member event for display name matching
        my_display_name = None
        our_member_event = yield self.store.get_current_state(
            room_id=room_id,
            event_type='m.room.member',
            state_key=self.user_name,
        )
        if our_member_event:
            my_display_name = our_member_event[0].content.get("displayname")

        room_members = yield self.store.get_users_in_room(room_id)
        room_member_count = len(room_members)

        for r in rules:
            if r['rule_id'] in enabled_map:
                r['enabled'] = enabled_map[r['rule_id']]
            elif 'enabled' not in r:
                r['enabled'] = True
            if not r['enabled']:
                continue
            matches = True

            conditions = r['conditions']
            actions = r['actions']

            for c in conditions:
                matches &= self._event_fulfills_condition(
                    ev, c, display_name=my_display_name,
                    room_member_count=room_member_count
                )
            logger.debug(
                "Rule %s %s",
                r['rule_id'], "matches" if matches else "doesn't match"
            )
            # ignore rules with no actions (we have an explict 'dont_notify')
            if len(actions) == 0:
                logger.warn(
                    "Ignoring rule id %s with no actions for user %s",
                    r['rule_id'], self.user_name
                )
                continue
            if matches:
                logger.info(
                    "%s matches for user %s, event %s",
                    r['rule_id'], self.user_name, ev['event_id']
                )
                defer.returnValue(actions)

        logger.info(
            "No rules match for user %s, event %s",
            self.user_name, ev['event_id']
        )
        defer.returnValue(Pusher.DEFAULT_ACTIONS)

    @staticmethod
    def _glob_to_regexp(glob):
        r = re.escape(glob)
        r = re.sub(r'\\\*', r'.*?', r)
        r = re.sub(r'\\\?', r'.', r)

        # handle [abc], [a-z] and [!a-z] style ranges.
        r = re.sub(r'\\\[(\\\!|)(.*)\\\]',
                   lambda x: ('[%s%s]' % (x.group(1) and '^' or '',
                                          re.sub(r'\\\-', '-', x.group(2)))), r)
        return r

    def _event_fulfills_condition(self, ev, condition, display_name, room_member_count):
        if condition['kind'] == 'event_match':
            if 'pattern' not in condition:
                logger.warn("event_match condition with no pattern")
                return False
            # XXX: optimisation: cache our pattern regexps
            if condition['key'] == 'content.body':
                r = r'\b%s\b' % self._glob_to_regexp(condition['pattern'])
            else:
                r = r'^%s$' % self._glob_to_regexp(condition['pattern'])
            val = _value_for_dotted_key(condition['key'], ev)
            if val is None:
                return False
            return re.search(r, val, flags=re.IGNORECASE) is not None

        elif condition['kind'] == 'device':
            if 'profile_tag' not in condition:
                return True
            return condition['profile_tag'] == self.profile_tag

        elif condition['kind'] == 'contains_display_name':
            # This is special because display names can be different
            # between rooms and so you can't really hard code it in a rule.
            # Optimisation: we should cache these names and update them from
            # the event stream.
            if 'content' not in ev or 'body' not in ev['content']:
                return False
            if not display_name:
                return False
            return re.search(
                "\b%s\b" % re.escape(display_name), ev['content']['body'],
                flags=re.IGNORECASE
            ) is not None

        elif condition['kind'] == 'room_member_count':
            if 'is' not in condition:
                return False
            m = Pusher.INEQUALITY_EXPR.match(condition['is'])
            if not m:
                return False
            ineq = m.group(1)
            rhs = m.group(2)
            if not rhs.isdigit():
                return False
            rhs = int(rhs)

            if ineq == '' or ineq == '==':
                return room_member_count == rhs
            elif ineq == '<':
                return room_member_count < rhs
            elif ineq == '>':
                return room_member_count > rhs
            elif ineq == '>=':
                return room_member_count >= rhs
            elif ineq == '<=':
                return room_member_count <= rhs
            else:
                return False
        else:
            return True

    @defer.inlineCallbacks
    def get_context_for_event(self, ev):
        name_aliases = yield self.store.get_room_name_and_aliases(
            ev['room_id']
        )

        ctx = {'aliases': name_aliases[1]}
        if name_aliases[0] is not None:
            ctx['name'] = name_aliases[0]

        their_member_events_for_room = yield self.store.get_current_state(
            room_id=ev['room_id'],
            event_type='m.room.member',
            state_key=ev['user_id']
        )
        for mev in their_member_events_for_room:
            if mev.content['membership'] == 'join' and 'displayname' in mev.content:
                dn = mev.content['displayname']
                if dn is not None:
                    ctx['sender_display_name'] = dn

        defer.returnValue(ctx)

    @defer.inlineCallbacks
    def start(self):
        if not self.last_token:
            # First-time setup: get a token to start from (we can't
            # just start from no token, ie. 'now'
            # because we need the result to be reproduceable in case
            # we fail to dispatch the push)
            config = PaginationConfig(from_token=None, limit='1')
            chunk = yield self.evStreamHandler.get_stream(
                self.user_name, config, timeout=0)
            self.last_token = chunk['end']
            self.store.update_pusher_last_token(
                self.app_id, self.pushkey, self.user_name, self.last_token
            )
            logger.info("Pusher %s for user %s starting from token %s",
                        self.pushkey, self.user_name, self.last_token)

        while self.alive:
            from_tok = StreamToken.from_string(self.last_token)
            config = PaginationConfig(from_token=from_tok, limit='1')
            chunk = yield self.evStreamHandler.get_stream(
                self.user_name, config,
                timeout=100*365*24*60*60*1000, affect_presence=False
            )

            # limiting to 1 may get 1 event plus 1 presence event, so
            # pick out the actual event
            single_event = None
            for c in chunk['chunk']:
                if 'event_id' in c:  # Hmmm...
                    single_event = c
                    break
            if not single_event:
                self.last_token = chunk['end']
                continue

            if not self.alive:
                continue

            processed = False
            actions = yield self._actions_for_event(single_event)
            tweaks = _tweaks_for_actions(actions)

            if len(actions) == 0:
                logger.warn("Empty actions! Using default action.")
                actions = Pusher.DEFAULT_ACTIONS

            if 'notify' not in actions and 'dont_notify' not in actions:
                logger.warn("Neither notify nor dont_notify in actions: adding default")
                actions.extend(Pusher.DEFAULT_ACTIONS)

            if 'dont_notify' in actions:
                logger.debug(
                    "%s for %s: dont_notify",
                    single_event['event_id'], self.user_name
                )
                processed = True
            else:
                rejected = yield self.dispatch_push(single_event, tweaks)
                self.has_unread = True
                if isinstance(rejected, list) or isinstance(rejected, tuple):
                    processed = True
                    for pk in rejected:
                        if pk != self.pushkey:
                            # for sanity, we only remove the pushkey if it
                            # was the one we actually sent...
                            logger.warn(
                                ("Ignoring rejected pushkey %s because we"
                                 " didn't send it"), pk
                            )
                        else:
                            logger.info(
                                "Pushkey %s was rejected: removing",
                                pk
                            )
                            yield self.hs.get_pusherpool().remove_pusher(
                                self.app_id, pk, self.user_name
                            )

            if not self.alive:
                continue

            if processed:
                self.backoff_delay = Pusher.INITIAL_BACKOFF
                self.last_token = chunk['end']
                self.store.update_pusher_last_token_and_success(
                    self.app_id,
                    self.pushkey,
                    self.user_name,
                    self.last_token,
                    self.clock.time_msec()
                )
                if self.failing_since:
                    self.failing_since = None
                    self.store.update_pusher_failing_since(
                        self.app_id,
                        self.pushkey,
                        self.user_name,
                        self.failing_since)
            else:
                if not self.failing_since:
                    self.failing_since = self.clock.time_msec()
                    self.store.update_pusher_failing_since(
                        self.app_id,
                        self.pushkey,
                        self.user_name,
                        self.failing_since
                    )

                if (self.failing_since and
                   self.failing_since <
                   self.clock.time_msec() - Pusher.GIVE_UP_AFTER):
                    # we really only give up so that if the URL gets
                    # fixed, we don't suddenly deliver a load
                    # of old notifications.
                    logger.warn("Giving up on a notification to user %s, "
                                "pushkey %s",
                                self.user_name, self.pushkey)
                    self.backoff_delay = Pusher.INITIAL_BACKOFF
                    self.last_token = chunk['end']
                    self.store.update_pusher_last_token(
                        self.app_id,
                        self.pushkey,
                        self.user_name,
                        self.last_token
                    )

                    self.failing_since = None
                    self.store.update_pusher_failing_since(
                        self.app_id,
                        self.pushkey,
                        self.user_name,
                        self.failing_since
                    )
                else:
                    logger.warn("Failed to dispatch push for user %s "
                                "(failing for %dms)."
                                "Trying again in %dms",
                                self.user_name,
                                self.clock.time_msec() - self.failing_since,
                                self.backoff_delay)
                    yield synapse.util.async.sleep(self.backoff_delay / 1000.0)
                    self.backoff_delay *= 2
                    if self.backoff_delay > Pusher.MAX_BACKOFF:
                        self.backoff_delay = Pusher.MAX_BACKOFF

    def stop(self):
        self.alive = False

    def dispatch_push(self, p, tweaks):
        """
        Overridden by implementing classes to actually deliver the notification
        Args:
            p: The event to notify for as a single event from the event stream
        Returns: If the notification was delivered, an array containing any
                 pushkeys that were rejected by the push gateway.
                 False if the notification could not be delivered (ie.
                 should be retried).
        """
        pass

    def reset_badge_count(self):
        pass

    def presence_changed(self, state):
        """
        We clear badge counts whenever a user's last_active time is bumped
        This is by no means perfect but I think it's the best we can do
        without read receipts.
        """
        if 'last_active' in state.state:
            last_active = state.state['last_active']
            if last_active > self.last_last_active_time:
                self.last_last_active_time = last_active
                if self.has_unread:
                    logger.info("Resetting badge count for %s", self.user_name)
                    self.reset_badge_count()
                    self.has_unread = False

def _value_for_dotted_key(dotted_key, event):
    parts = dotted_key.split(".")
    val = event
    while len(parts) > 0:
        if parts[0] not in val:
            return None
        val = val[parts[0]]
        parts = parts[1:]
    return val

def _tweaks_for_actions(actions):
    tweaks = {}
    for a in actions:
        if not isinstance(a, dict):
            continue
        if 'set_tweak' in a and 'value' in a:
            tweaks[a['set_tweak']] = a['value']
    return tweaks

class PusherConfigException(Exception):
    def __init__(self, msg):
        super(PusherConfigException, self).__init__(msg)
<|endoftext|>