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-rw-r--r--synapse/config/__main__.py4
-rw-r--r--synapse/config/_base.py121
-rw-r--r--synapse/config/emailconfig.py34
-rw-r--r--synapse/config/homeserver.py3
-rw-r--r--synapse/config/registration.py15
-rw-r--r--synapse/config/repository.py2
-rw-r--r--synapse/config/room_directory.py102
7 files changed, 209 insertions, 72 deletions
diff --git a/synapse/config/__main__.py b/synapse/config/__main__.py
index 58c97a70af..79fe9c3dac 100644
--- a/synapse/config/__main__.py
+++ b/synapse/config/__main__.py
@@ -25,10 +25,10 @@ if __name__ == "__main__":
         try:
             config = HomeServerConfig.load_config("", sys.argv[3:])
         except ConfigError as e:
-            sys.stderr.write("\n" + e.message + "\n")
+            sys.stderr.write("\n" + str(e) + "\n")
             sys.exit(1)
 
-        print (getattr(config, key))
+        print(getattr(config, key))
         sys.exit(0)
     else:
         sys.stderr.write("Unknown command %r\n" % (action,))
diff --git a/synapse/config/_base.py b/synapse/config/_base.py
index 3d2e90dd5b..14dae65ea0 100644
--- a/synapse/config/_base.py
+++ b/synapse/config/_base.py
@@ -106,10 +106,7 @@ class Config(object):
     @classmethod
     def check_file(cls, file_path, config_name):
         if file_path is None:
-            raise ConfigError(
-                "Missing config for %s."
-                % (config_name,)
-            )
+            raise ConfigError("Missing config for %s." % (config_name,))
         try:
             os.stat(file_path)
         except OSError as e:
@@ -128,9 +125,7 @@ class Config(object):
             if e.errno != errno.EEXIST:
                 raise
         if not os.path.isdir(dir_path):
-            raise ConfigError(
-                "%s is not a directory" % (dir_path,)
-            )
+            raise ConfigError("%s is not a directory" % (dir_path,))
         return dir_path
 
     @classmethod
@@ -156,21 +151,20 @@ class Config(object):
         return results
 
     def generate_config(
-            self,
-            config_dir_path,
-            server_name,
-            is_generating_file,
-            report_stats=None,
+        self, config_dir_path, server_name, is_generating_file, report_stats=None
     ):
         default_config = "# vim:ft=yaml\n"
 
-        default_config += "\n\n".join(dedent(conf) for conf in self.invoke_all(
-            "default_config",
-            config_dir_path=config_dir_path,
-            server_name=server_name,
-            is_generating_file=is_generating_file,
-            report_stats=report_stats,
-        ))
+        default_config += "\n\n".join(
+            dedent(conf)
+            for conf in self.invoke_all(
+                "default_config",
+                config_dir_path=config_dir_path,
+                server_name=server_name,
+                is_generating_file=is_generating_file,
+                report_stats=report_stats,
+            )
+        )
 
         config = yaml.load(default_config)
 
@@ -178,23 +172,22 @@ class Config(object):
 
     @classmethod
     def load_config(cls, description, argv):
-        config_parser = argparse.ArgumentParser(
-            description=description,
-        )
+        config_parser = argparse.ArgumentParser(description=description)
         config_parser.add_argument(
-            "-c", "--config-path",
+            "-c",
+            "--config-path",
             action="append",
             metavar="CONFIG_FILE",
             help="Specify config file. Can be given multiple times and"
-                 " may specify directories containing *.yaml files."
+            " may specify directories containing *.yaml files.",
         )
 
         config_parser.add_argument(
             "--keys-directory",
             metavar="DIRECTORY",
             help="Where files such as certs and signing keys are stored when"
-                 " their location is given explicitly in the config."
-                 " Defaults to the directory containing the last config file",
+            " their location is given explicitly in the config."
+            " Defaults to the directory containing the last config file",
         )
 
         config_args = config_parser.parse_args(argv)
@@ -203,9 +196,7 @@ class Config(object):
 
         obj = cls()
         obj.read_config_files(
-            config_files,
-            keys_directory=config_args.keys_directory,
-            generate_keys=False,
+            config_files, keys_directory=config_args.keys_directory, generate_keys=False
         )
         return obj
 
@@ -213,38 +204,38 @@ class Config(object):
     def load_or_generate_config(cls, description, argv):
         config_parser = argparse.ArgumentParser(add_help=False)
         config_parser.add_argument(
-            "-c", "--config-path",
+            "-c",
+            "--config-path",
             action="append",
             metavar="CONFIG_FILE",
             help="Specify config file. Can be given multiple times and"
-                 " may specify directories containing *.yaml files."
+            " may specify directories containing *.yaml files.",
         )
         config_parser.add_argument(
             "--generate-config",
             action="store_true",
-            help="Generate a config file for the server name"
+            help="Generate a config file for the server name",
         )
         config_parser.add_argument(
             "--report-stats",
             action="store",
             help="Whether the generated config reports anonymized usage statistics",
-            choices=["yes", "no"]
+            choices=["yes", "no"],
         )
         config_parser.add_argument(
             "--generate-keys",
             action="store_true",
-            help="Generate any missing key files then exit"
+            help="Generate any missing key files then exit",
         )
         config_parser.add_argument(
             "--keys-directory",
             metavar="DIRECTORY",
             help="Used with 'generate-*' options to specify where files such as"
-                 " certs and signing keys should be stored in, unless explicitly"
-                 " specified in the config."
+            " certs and signing keys should be stored in, unless explicitly"
+            " specified in the config.",
         )
         config_parser.add_argument(
-            "-H", "--server-name",
-            help="The server name to generate a config file for"
+            "-H", "--server-name", help="The server name to generate a config file for"
         )
         config_args, remaining_args = config_parser.parse_known_args(argv)
 
@@ -257,8 +248,8 @@ class Config(object):
         if config_args.generate_config:
             if config_args.report_stats is None:
                 config_parser.error(
-                    "Please specify either --report-stats=yes or --report-stats=no\n\n" +
-                    MISSING_REPORT_STATS_SPIEL
+                    "Please specify either --report-stats=yes or --report-stats=no\n\n"
+                    + MISSING_REPORT_STATS_SPIEL
                 )
             if not config_files:
                 config_parser.error(
@@ -287,26 +278,32 @@ class Config(object):
                         config_dir_path=config_dir_path,
                         server_name=server_name,
                         report_stats=(config_args.report_stats == "yes"),
-                        is_generating_file=True
+                        is_generating_file=True,
                     )
                     obj.invoke_all("generate_files", config)
                     config_file.write(config_str)
-                print((
-                    "A config file has been generated in %r for server name"
-                    " %r with corresponding SSL keys and self-signed"
-                    " certificates. Please review this file and customise it"
-                    " to your needs."
-                ) % (config_path, server_name))
+                print(
+                    (
+                        "A config file has been generated in %r for server name"
+                        " %r with corresponding SSL keys and self-signed"
+                        " certificates. Please review this file and customise it"
+                        " to your needs."
+                    )
+                    % (config_path, server_name)
+                )
                 print(
                     "If this server name is incorrect, you will need to"
                     " regenerate the SSL certificates"
                 )
                 return
             else:
-                print((
-                    "Config file %r already exists. Generating any missing key"
-                    " files."
-                ) % (config_path,))
+                print(
+                    (
+                        "Config file %r already exists. Generating any missing key"
+                        " files."
+                    )
+                    % (config_path,)
+                )
                 generate_keys = True
 
         parser = argparse.ArgumentParser(
@@ -338,8 +335,7 @@ class Config(object):
 
         return obj
 
-    def read_config_files(self, config_files, keys_directory=None,
-                          generate_keys=False):
+    def read_config_files(self, config_files, keys_directory=None, generate_keys=False):
         if not keys_directory:
             keys_directory = os.path.dirname(config_files[-1])
 
@@ -364,8 +360,9 @@ class Config(object):
 
         if "report_stats" not in config:
             raise ConfigError(
-                MISSING_REPORT_STATS_CONFIG_INSTRUCTIONS + "\n" +
-                MISSING_REPORT_STATS_SPIEL
+                MISSING_REPORT_STATS_CONFIG_INSTRUCTIONS
+                + "\n"
+                + MISSING_REPORT_STATS_SPIEL
             )
 
         if generate_keys:
@@ -399,16 +396,16 @@ def find_config_files(search_paths):
                 for entry in os.listdir(config_path):
                     entry_path = os.path.join(config_path, entry)
                     if not os.path.isfile(entry_path):
-                        print (
-                            "Found subdirectory in config directory: %r. IGNORING."
-                        ) % (entry_path, )
+                        err = "Found subdirectory in config directory: %r. IGNORING."
+                        print(err % (entry_path,))
                         continue
 
                     if not entry.endswith(".yaml"):
-                        print (
-                            "Found file in config directory that does not"
-                            " end in '.yaml': %r. IGNORING."
-                        ) % (entry_path, )
+                        err = (
+                            "Found file in config directory that does not end in "
+                            "'.yaml': %r. IGNORING."
+                        )
+                        print(err % (entry_path,))
                         continue
 
                     files.append(entry_path)
diff --git a/synapse/config/emailconfig.py b/synapse/config/emailconfig.py
index fe156b6930..93d70cff14 100644
--- a/synapse/config/emailconfig.py
+++ b/synapse/config/emailconfig.py
@@ -13,10 +13,18 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from __future__ import print_function
+
 # This file can't be called email.py because if it is, we cannot:
 import email.utils
+import logging
+import os
+
+import pkg_resources
 
-from ._base import Config
+from ._base import Config, ConfigError
+
+logger = logging.getLogger(__name__)
 
 
 class EmailConfig(Config):
@@ -38,7 +46,6 @@ class EmailConfig(Config):
                 "smtp_host",
                 "smtp_port",
                 "notif_from",
-                "template_dir",
                 "notif_template_html",
                 "notif_template_text",
             ]
@@ -62,9 +69,26 @@ class EmailConfig(Config):
             self.email_smtp_host = email_config["smtp_host"]
             self.email_smtp_port = email_config["smtp_port"]
             self.email_notif_from = email_config["notif_from"]
-            self.email_template_dir = email_config["template_dir"]
             self.email_notif_template_html = email_config["notif_template_html"]
             self.email_notif_template_text = email_config["notif_template_text"]
+
+            template_dir = email_config.get("template_dir")
+            # we need an absolute path, because we change directory after starting (and
+            # we don't yet know what auxilliary templates like mail.css we will need).
+            # (Note that loading as package_resources with jinja.PackageLoader doesn't
+            # work for the same reason.)
+            if not template_dir:
+                template_dir = pkg_resources.resource_filename(
+                    'synapse', 'res/templates'
+                )
+            template_dir = os.path.abspath(template_dir)
+
+            for f in self.email_notif_template_text, self.email_notif_template_html:
+                p = os.path.join(template_dir, f)
+                if not os.path.isfile(p):
+                    raise ConfigError("Unable to find email template file %s" % (p, ))
+            self.email_template_dir = template_dir
+
             self.email_notif_for_new_users = email_config.get(
                 "notif_for_new_users", True
             )
@@ -113,7 +137,9 @@ class EmailConfig(Config):
         #   require_transport_security: False
         #   notif_from: "Your Friendly %(app)s Home Server <noreply@example.com>"
         #   app_name: Matrix
-        #   template_dir: res/templates
+        #   # if template_dir is unset, uses the example templates that are part of
+        #   # the Synapse distribution.
+        #   #template_dir: res/templates
         #   notif_template_html: notif_mail.html
         #   notif_template_text: notif_mail.txt
         #   notif_for_new_users: True
diff --git a/synapse/config/homeserver.py b/synapse/config/homeserver.py
index b8d5690f2b..10dd40159f 100644
--- a/synapse/config/homeserver.py
+++ b/synapse/config/homeserver.py
@@ -31,6 +31,7 @@ from .push import PushConfig
 from .ratelimiting import RatelimitConfig
 from .registration import RegistrationConfig
 from .repository import ContentRepositoryConfig
+from .room_directory import RoomDirectoryConfig
 from .saml2 import SAML2Config
 from .server import ServerConfig
 from .server_notices_config import ServerNoticesConfig
@@ -49,7 +50,7 @@ class HomeServerConfig(TlsConfig, ServerConfig, DatabaseConfig, LoggingConfig,
                        WorkerConfig, PasswordAuthProviderConfig, PushConfig,
                        SpamCheckerConfig, GroupsConfig, UserDirectoryConfig,
                        ConsentConfig,
-                       ServerNoticesConfig,
+                       ServerNoticesConfig, RoomDirectoryConfig,
                        ):
     pass
 
diff --git a/synapse/config/registration.py b/synapse/config/registration.py
index 0fb964eb67..7480ed5145 100644
--- a/synapse/config/registration.py
+++ b/synapse/config/registration.py
@@ -15,10 +15,10 @@
 
 from distutils.util import strtobool
 
+from synapse.config._base import Config, ConfigError
+from synapse.types import RoomAlias
 from synapse.util.stringutils import random_string_with_symbols
 
-from ._base import Config
-
 
 class RegistrationConfig(Config):
 
@@ -44,6 +44,10 @@ class RegistrationConfig(Config):
         )
 
         self.auto_join_rooms = config.get("auto_join_rooms", [])
+        for room_alias in self.auto_join_rooms:
+            if not RoomAlias.is_valid(room_alias):
+                raise ConfigError('Invalid auto_join_rooms entry %s' % (room_alias,))
+        self.autocreate_auto_join_rooms = config.get("autocreate_auto_join_rooms", True)
 
     def default_config(self, **kwargs):
         registration_shared_secret = random_string_with_symbols(50)
@@ -98,6 +102,13 @@ class RegistrationConfig(Config):
         # to these rooms
         #auto_join_rooms:
         #    - "#example:example.com"
+
+        # Where auto_join_rooms are specified, setting this flag ensures that the
+        # the rooms exist by creating them when the first user on the
+        # homeserver registers.
+        # Setting to false means that if the rooms are not manually created,
+        # users cannot be auto-joined since they do not exist.
+        autocreate_auto_join_rooms: true
         """ % locals()
 
     def add_arguments(self, parser):
diff --git a/synapse/config/repository.py b/synapse/config/repository.py
index fc909c1fac..06c62ab62c 100644
--- a/synapse/config/repository.py
+++ b/synapse/config/repository.py
@@ -178,7 +178,7 @@ class ContentRepositoryConfig(Config):
     def default_config(self, **kwargs):
         media_store = self.default_path("media_store")
         uploads_path = self.default_path("uploads")
-        return """
+        return r"""
         # Directory where uploaded images and attachments are stored.
         media_store_path: "%(media_store)s"
 
diff --git a/synapse/config/room_directory.py b/synapse/config/room_directory.py
new file mode 100644
index 0000000000..9da13ab11b
--- /dev/null
+++ b/synapse/config/room_directory.py
@@ -0,0 +1,102 @@
+# -*- coding: utf-8 -*-
+# Copyright 2018 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 synapse.util import glob_to_regex
+
+from ._base import Config, ConfigError
+
+
+class RoomDirectoryConfig(Config):
+    def read_config(self, config):
+        alias_creation_rules = config["alias_creation_rules"]
+
+        self._alias_creation_rules = [
+            _AliasRule(rule)
+            for rule in alias_creation_rules
+        ]
+
+    def default_config(self, config_dir_path, server_name, **kwargs):
+        return """
+        # The `alias_creation` option controls who's allowed to create aliases
+        # on this server.
+        #
+        # The format of this option is a list of rules that contain globs that
+        # match against user_id and the new alias (fully qualified with server
+        # name). The action in the first rule that matches is taken, which can
+        # currently either be "allow" or "deny".
+        #
+        # If no rules match the request is denied.
+        alias_creation_rules:
+            - user_id: "*"
+              alias: "*"
+              action: allow
+        """
+
+    def is_alias_creation_allowed(self, user_id, alias):
+        """Checks if the given user is allowed to create the given alias
+
+        Args:
+            user_id (str)
+            alias (str)
+
+        Returns:
+            boolean: True if user is allowed to crate the alias
+        """
+        for rule in self._alias_creation_rules:
+            if rule.matches(user_id, alias):
+                return rule.action == "allow"
+
+        return False
+
+
+class _AliasRule(object):
+    def __init__(self, rule):
+        action = rule["action"]
+        user_id = rule["user_id"]
+        alias = rule["alias"]
+
+        if action in ("allow", "deny"):
+            self.action = action
+        else:
+            raise ConfigError(
+                "alias_creation_rules rules can only have action of 'allow'"
+                " or 'deny'"
+            )
+
+        try:
+            self._user_id_regex = glob_to_regex(user_id)
+            self._alias_regex = glob_to_regex(alias)
+        except Exception as e:
+            raise ConfigError("Failed to parse glob into regex: %s", e)
+
+    def matches(self, user_id, alias):
+        """Tests if this rule matches the given user_id and alias.
+
+        Args:
+            user_id (str)
+            alias (str)
+
+        Returns:
+            boolean
+        """
+
+        # Note: The regexes are anchored at both ends
+        if not self._user_id_regex.match(user_id):
+            return False
+
+        if not self._alias_regex.match(alias):
+            return False
+
+        return True