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-rw-r--r--synapse/config/__init__.py14
-rw-r--r--synapse/config/_base.py112
-rw-r--r--synapse/config/database.py37
-rw-r--r--synapse/config/homeserver.py26
-rw-r--r--synapse/config/logger.py67
-rw-r--r--synapse/config/server.py76
-rw-r--r--synapse/config/tls.py106
7 files changed, 438 insertions, 0 deletions
diff --git a/synapse/config/__init__.py b/synapse/config/__init__.py
new file mode 100644
index 0000000000..fe8a073cd3
--- /dev/null
+++ b/synapse/config/__init__.py
@@ -0,0 +1,14 @@
+# -*- coding: utf-8 -*-
+# Copyright 2014 matrix.org
+#
+# 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.
diff --git a/synapse/config/_base.py b/synapse/config/_base.py
new file mode 100644
index 0000000000..78197e4a75
--- /dev/null
+++ b/synapse/config/_base.py
@@ -0,0 +1,112 @@
+# -*- coding: utf-8 -*-
+# Copyright 2014 matrix.org
+#
+# 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.
+
+
+import ConfigParser as configparser
+import argparse
+import sys
+import os
+
+
+class Config(object):
+    def __init__(self, args):
+        pass
+
+    @staticmethod
+    def abspath(file_path):
+        return os.path.abspath(file_path) if file_path else file_path
+
+    @staticmethod
+    def read_file(file_path):
+        with open(file_path) as file_stream:
+            return file_stream.read()
+
+    @staticmethod
+    def read_config_file(file_path):
+        config = configparser.SafeConfigParser()
+        config.read([file_path])
+        config_dict = {}
+        for section in config.sections():
+            config_dict.update(config.items(section))
+        return config_dict
+
+    @classmethod
+    def add_arguments(cls, parser):
+        pass
+
+    @classmethod
+    def generate_config(cls, args, config_dir_path):
+        pass
+
+    @classmethod
+    def load_config(cls, description, argv, generate_section=None):
+        config_parser = argparse.ArgumentParser(add_help=False)
+        config_parser.add_argument(
+            "-c", "--config-path",
+            metavar="CONFIG_FILE",
+            help="Specify config file"
+        )
+        config_parser.add_argument(
+            "--generate-config",
+            action="store_true",
+            help="Generate config file"
+        )
+        config_args, remaining_args = config_parser.parse_known_args(argv)
+
+        if config_args.generate_config:
+            if not config_args.config_path:
+                config_parser.error(
+                    "Must specify where to generate the config file"
+                )
+            config_dir_path = os.path.dirname(config_args.config_path)
+            if os.path.exists(config_args.config_path):
+                defaults = cls.read_config_file(config_args.config_path)
+            else:
+                defaults = {}
+        else:
+            if config_args.config_path:
+                defaults = cls.read_config_file(config_args.config_path)
+            else:
+                defaults = {}
+
+        parser = argparse.ArgumentParser(
+            parents=[config_parser],
+            description=description,
+            formatter_class=argparse.RawDescriptionHelpFormatter,
+        )
+        cls.add_arguments(parser)
+        parser.set_defaults(**defaults)
+
+        args = parser.parse_args(remaining_args)
+
+        if config_args.generate_config:
+            config_dir_path = os.path.dirname(config_args.config_path)
+            config_dir_path = os.path.abspath(config_dir_path)
+            cls.generate_config(args, config_dir_path)
+            config = configparser.SafeConfigParser()
+            config.add_section(generate_section)
+            for key, value in vars(args).items():
+                if (key not in set(["config_path", "generate_config"])
+                    and value is not None):
+                    print key, "=", value
+                    config.set(generate_section, key, str(value))
+            with open(config_args.config_path, "w") as config_file:
+                config.write(config_file)
+            sys.exit(0)
+
+        return cls(args)
+
+
+
diff --git a/synapse/config/database.py b/synapse/config/database.py
new file mode 100644
index 0000000000..edf2361914
--- /dev/null
+++ b/synapse/config/database.py
@@ -0,0 +1,37 @@
+# -*- coding: utf-8 -*-
+# Copyright 2014 matrix.org
+#
+# 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
+import os
+
+class DatabaseConfig(Config):
+    def __init__(self, args):
+        super(DatabaseConfig, self).__init__(args)
+        self.database_path = self.abspath(args.database_path)
+
+    @classmethod
+    def add_arguments(cls, parser):
+        super(DatabaseConfig, cls).add_arguments(parser)
+        db_group = parser.add_argument_group("database")
+        db_group.add_argument(
+            "-d", "--database-path", default="homeserver.db",
+            help="The database name."
+        )
+
+    @classmethod
+    def generate_config(cls, args, config_dir_path):
+        super(DatabaseConfig, cls).generate_config(args, config_dir_path)
+        args.database_path = os.path.abspath(args.database_path)
+
diff --git a/synapse/config/homeserver.py b/synapse/config/homeserver.py
new file mode 100644
index 0000000000..18072e3196
--- /dev/null
+++ b/synapse/config/homeserver.py
@@ -0,0 +1,26 @@
+# -*- coding: utf-8 -*-
+# Copyright 2014 matrix.org
+#
+# 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 .tls import TlsConfig
+from .server import ServerConfig
+from .logger import LoggingConfig
+from .database import DatabaseConfig
+
+class HomeServerConfig(TlsConfig, ServerConfig, DatabaseConfig, LoggingConfig):
+    pass
+
+if __name__=='__main__':
+    import sys
+    HomeServerConfig.load_config("Generate config", sys.argv[1:], "HomeServer")
diff --git a/synapse/config/logger.py b/synapse/config/logger.py
new file mode 100644
index 0000000000..8db6621ae8
--- /dev/null
+++ b/synapse/config/logger.py
@@ -0,0 +1,67 @@
+# -*- coding: utf-8 -*-
+# Copyright 2014 matrix.org
+#
+# 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
+
+from twisted.python.log import PythonLoggingObserver
+import logging
+import logging.config
+
+class LoggingConfig(Config):
+    def __init__(self, args):
+        super(LoggingConfig, self).__init__(args)
+        self.verbosity = int(args.verbose) if args.verbose else None
+        self.log_config = self.abspath(args.log_config)
+        self.log_file = self.abspath(args.log_file)
+
+    @classmethod
+    def add_arguments(cls, parser):
+        super(LoggingConfig, cls).add_arguments(parser)
+        logging_group = parser.add_argument_group("logging")
+        logging_group.add_argument(
+            '-v', '--verbose', dest="verbose", action='count',
+            help="The verbosity level."
+        )
+        logging_group.add_argument(
+            '-f', '--log-file', dest="log_file", default=None,
+            help="File to log to."
+        )
+        logging_group.add_argument(
+            '--log-config', dest="log_config", default=None,
+            help="Python logging config file"
+        )
+
+    def setup_logging(self):
+        log_format = (
+            '%(asctime)s - %(name)s - %(lineno)d - %(levelname)s - %(message)s'
+        )
+        if self.log_config is None:
+
+            level = logging.INFO
+            if self.verbosity:
+               level = logging.DEBUG
+
+               # FIXME: we need a logging.WARN for a -q quiet option
+
+            logging.basicConfig(
+                level=level,
+                filename=self.log_file,
+                format=log_format
+            )
+        else:
+            logging.config.fileConfig(self.log_config)
+
+        observer = PythonLoggingObserver()
+        observer.start()
diff --git a/synapse/config/server.py b/synapse/config/server.py
new file mode 100644
index 0000000000..7e8ff6a703
--- /dev/null
+++ b/synapse/config/server.py
@@ -0,0 +1,76 @@
+# -*- coding: utf-8 -*-
+# Copyright 2014 matrix.org
+#
+# 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.
+
+import nacl.signing
+import os
+from ._base import Config
+from syutil.base64util import encode_base64, decode_base64
+
+
+class ServerConfig(Config):
+    def __init__(self, args):
+        super(ServerConfig, self).__init__(args)
+        self.server_name = args.server_name
+        self.signing_key = self.read_signing_key(args.signing_key_path)
+        self.bind_port = args.bind_port
+        self.bind_host = args.bind_host
+        self.daemonize = args.daemonize
+        self.pid_file = self.abspath(args.pid_file)
+        self.webclient = args.no_webclient
+        self.manhole = args.manhole
+
+    @classmethod
+    def add_arguments(cls, parser):
+        super(ServerConfig, cls).add_arguments(parser)
+        server_group = parser.add_argument_group("server")
+        server_group.add_argument("-H", "--server-name", default="localhost",
+                                  help="The name of the server")
+        server_group.add_argument("--signing-key-path",
+                                  help="The signing key to sign messages with")
+        server_group.add_argument("-p", "--bind-port", type=int,
+                                  help="TCP port to listen on")
+        server_group.add_argument("--bind-host", default="",
+                                  help="Local interface to listen on")
+        server_group.add_argument("-D", "--daemonize", action='store_true',
+                                  help="Daemonize the home server")
+        server_group.add_argument('--pid-file', default="hs.pid",
+                                  help="When running as a daemon, the file to"
+                                  " store the pid in")
+        server_group.add_argument("-W", "--no-webclient", default=True,
+                                  action="store_false",
+                                  help="Don't host a web client.")
+        server_group.add_argument("--manhole", dest="manhole", type=int,
+                                  help="Turn on the twisted telnet manhole"
+                                  " service on the given port.")
+
+    def read_signing_key(self, signing_key_path):
+        signing_key_base64 = self.read_file(signing_key_path)
+        signing_key_bytes = decode_base64(signing_key_base64)
+        return nacl.signing.SigningKey(signing_key_bytes)
+
+    @classmethod
+    def generate_config(cls, args, config_dir_path):
+        super(ServerConfig, cls).generate_config(args, config_dir_path)
+        base_key_name = os.path.join(config_dir_path, args.server_name)
+
+        args.pid_file = os.path.abspath(args.pid_file)
+
+        if not args.signing_key_path:
+            args.signing_key_path = base_key_name + ".signing.key"
+
+        if not os.path.exists(args.signing_key_path):
+            with open(args.signing_key_path, "w") as signing_key_file:
+                key = nacl.signing.SigningKey.generate()
+                signing_key_file.write(encode_base64(key.encode()))
diff --git a/synapse/config/tls.py b/synapse/config/tls.py
new file mode 100644
index 0000000000..7a3d6e3a02
--- /dev/null
+++ b/synapse/config/tls.py
@@ -0,0 +1,106 @@
+# -*- coding: utf-8 -*-
+# Copyright 2014 matrix.org
+#
+# 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
+
+from OpenSSL import crypto
+import subprocess
+import os
+
+class TlsConfig(Config):
+    def __init__(self, args):
+        super(TlsConfig, self).__init__(args)
+        self.tls_certificate = self.read_tls_certificate(
+            args.tls_certificate_path
+        )
+        self.tls_private_key = self.read_tls_private_key(
+            args.tls_private_key_path
+        )
+        self.tls_dh_params_path = self.abspath(args.tls_dh_params_path)
+
+    @classmethod
+    def add_arguments(cls, parser):
+        super(TlsConfig, cls).add_arguments(parser)
+        tls_group = parser.add_argument_group("tls")
+        tls_group.add_argument("--tls-certificate-path",
+                               help="PEM encoded X509 certificate for TLS")
+        tls_group.add_argument("--tls-private-key-path",
+                               help="PEM encoded private key for TLS")
+        tls_group.add_argument("--tls-dh-params-path",
+                               help="PEM dh parameters for ephemeral keys")
+
+    def read_tls_certificate(self, cert_path):
+        cert_pem = self.read_file(cert_path)
+        return crypto.load_certificate(crypto.FILETYPE_PEM, cert_pem)
+
+    def read_tls_private_key(self, private_key_path):
+        private_key_pem = self.read_file(private_key_path)
+        return crypto.load_privatekey(crypto.FILETYPE_PEM, private_key_pem)
+
+    @classmethod
+    def generate_config(cls, args, config_dir_path):
+        super(TlsConfig, cls).generate_config(args, config_dir_path)
+        base_key_name = os.path.join(config_dir_path, args.server_name)
+
+        if args.tls_certificate_path is None:
+            args.tls_certificate_path = base_key_name + ".tls.crt"
+
+        if args.tls_private_key_path is None:
+            args.tls_private_key_path = base_key_name + ".tls.key"
+
+        if args.tls_dh_params_path is None:
+            args.tls_dh_params_path = base_key_name + ".tls.dh"
+
+        if not os.path.exists(args.tls_private_key_path):
+            with open(args.tls_private_key_path, "w") as private_key_file:
+                tls_private_key = crypto.PKey()
+                tls_private_key.generate_key(crypto.TYPE_RSA, 2048)
+                private_key_pem = crypto.dump_privatekey(
+                    crypto.FILETYPE_PEM, tls_private_key
+                )
+                private_key_file.write(private_key_pem)
+        else:
+            with open(args.tls_private_key_path) as private_key_file:
+                private_key_pem = private_key_file.read()
+                tls_private_key = crypto.load_privatekey(
+                    crypto.FILETYPE_PEM, private_key_pem
+                )
+
+        if not os.path.exists(args.tls_certificate_path):
+            with open(args.tls_certificate_path, "w") as certifcate_file:
+                cert = crypto.X509()
+                subject = cert.get_subject()
+                subject.CN = args.server_name
+
+                cert.set_serial_number(1000)
+                cert.gmtime_adj_notBefore(0)
+                cert.gmtime_adj_notAfter(10 * 365 * 24 * 60 * 60)
+                cert.set_issuer(cert.get_subject())
+                cert.set_pubkey(tls_private_key)
+
+                cert.sign(tls_private_key, 'sha256')
+
+                cert_pem = crypto.dump_certificate(crypto.FILETYPE_PEM, cert)
+
+                certifcate_file.write(cert_pem)
+
+        if not os.path.exists(args.tls_dh_params_path):
+            subprocess.check_call([
+                "openssl", "dhparam",
+                "-outform", "PEM",
+                "-out", args.tls_dh_params_path,
+                "2048"
+            ])
+