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-rw-r--r--synapse/config/api.py12
-rw-r--r--synapse/config/appservice.py10
-rw-r--r--synapse/config/captcha.py23
-rw-r--r--synapse/config/database.py3
-rw-r--r--synapse/config/groups.py4
-rw-r--r--synapse/config/key.py30
-rw-r--r--synapse/config/metrics.py4
-rw-r--r--synapse/config/password.py15
-rw-r--r--synapse/config/ratelimiting.py28
-rw-r--r--synapse/config/registration.py25
-rw-r--r--synapse/config/repository.py77
-rw-r--r--synapse/config/saml2_config.py2
-rw-r--r--synapse/config/server.py6
-rw-r--r--synapse/config/voip.py8
14 files changed, 149 insertions, 98 deletions
diff --git a/synapse/config/api.py b/synapse/config/api.py
index e8a753f002..5eb4f86fa2 100644
--- a/synapse/config/api.py
+++ b/synapse/config/api.py
@@ -34,10 +34,10 @@ class ApiConfig(Config):
 
         # A list of event types that will be included in the room_invite_state
         #
-        room_invite_state_types:
-            - "{JoinRules}"
-            - "{CanonicalAlias}"
-            - "{RoomAvatar}"
-            - "{RoomEncryption}"
-            - "{Name}"
+        #room_invite_state_types:
+        #  - "{JoinRules}"
+        #  - "{CanonicalAlias}"
+        #  - "{RoomAvatar}"
+        #  - "{RoomEncryption}"
+        #  - "{Name}"
         """.format(**vars(EventTypes))
diff --git a/synapse/config/appservice.py b/synapse/config/appservice.py
index c260d59464..9e64c76544 100644
--- a/synapse/config/appservice.py
+++ b/synapse/config/appservice.py
@@ -37,14 +37,16 @@ class AppServiceConfig(Config):
 
     def default_config(cls, **kwargs):
         return """\
-        # A list of application service config file to use
+        # A list of application service config files to use
         #
-        app_service_config_files: []
+        #app_service_config_files:
+        #  - app_service_1.yaml
+        #  - app_service_2.yaml
 
-        # Whether or not to track application service IP addresses. Implicitly
+        # Uncomment to enable tracking of application service IP addresses. Implicitly
         # enables MAU tracking for application service users.
         #
-        track_appservice_user_ips: False
+        #track_appservice_user_ips: True
         """
 
 
diff --git a/synapse/config/captcha.py b/synapse/config/captcha.py
index d25196be08..f7eebf26d2 100644
--- a/synapse/config/captcha.py
+++ b/synapse/config/captcha.py
@@ -18,11 +18,16 @@ from ._base import Config
 class CaptchaConfig(Config):
 
     def read_config(self, config):
-        self.recaptcha_private_key = config["recaptcha_private_key"]
-        self.recaptcha_public_key = config["recaptcha_public_key"]
-        self.enable_registration_captcha = config["enable_registration_captcha"]
+        self.recaptcha_private_key = config.get("recaptcha_private_key")
+        self.recaptcha_public_key = config.get("recaptcha_public_key")
+        self.enable_registration_captcha = config.get(
+            "enable_registration_captcha", False
+        )
         self.captcha_bypass_secret = config.get("captcha_bypass_secret")
-        self.recaptcha_siteverify_api = config["recaptcha_siteverify_api"]
+        self.recaptcha_siteverify_api = config.get(
+            "recaptcha_siteverify_api",
+            "https://www.recaptcha.net/recaptcha/api/siteverify",
+        )
 
     def default_config(self, **kwargs):
         return """\
@@ -31,21 +36,23 @@ class CaptchaConfig(Config):
 
         # This Home Server's ReCAPTCHA public key.
         #
-        recaptcha_public_key: "YOUR_PUBLIC_KEY"
+        #recaptcha_public_key: "YOUR_PUBLIC_KEY"
 
         # This Home Server's ReCAPTCHA private key.
         #
-        recaptcha_private_key: "YOUR_PRIVATE_KEY"
+        #recaptcha_private_key: "YOUR_PRIVATE_KEY"
 
         # Enables ReCaptcha checks when registering, preventing signup
         # unless a captcha is answered. Requires a valid ReCaptcha
         # public/private key.
         #
-        enable_registration_captcha: False
+        #enable_registration_captcha: false
 
         # A secret key used to bypass the captcha test entirely.
+        #
         #captcha_bypass_secret: "YOUR_SECRET_HERE"
 
         # The API endpoint to use for verifying m.login.recaptcha responses.
-        recaptcha_siteverify_api: "https://www.recaptcha.net/recaptcha/api/siteverify"
+        #
+        #recaptcha_siteverify_api: "https://www.recaptcha.net/recaptcha/api/siteverify"
         """
diff --git a/synapse/config/database.py b/synapse/config/database.py
index 63e9cb63f8..3c27ed6b4a 100644
--- a/synapse/config/database.py
+++ b/synapse/config/database.py
@@ -60,7 +60,8 @@ class DatabaseConfig(Config):
             database: "%(database_path)s"
 
         # Number of events to cache in memory.
-        event_cache_size: "10K"
+        #
+        #event_cache_size: 10K
         """ % locals()
 
     def read_arguments(self, args):
diff --git a/synapse/config/groups.py b/synapse/config/groups.py
index 46933a904c..e4be172a79 100644
--- a/synapse/config/groups.py
+++ b/synapse/config/groups.py
@@ -23,9 +23,9 @@ class GroupsConfig(Config):
 
     def default_config(self, **kwargs):
         return """\
-        # Whether to allow non server admins to create groups on this server
+        # Uncomment to allow non-server-admin users to create groups on this server
         #
-        enable_group_creation: false
+        #enable_group_creation: true
 
         # If enabled, non server admins can only create groups with local parts
         # starting with this prefix
diff --git a/synapse/config/key.py b/synapse/config/key.py
index 35f05fa974..2bd5531acb 100644
--- a/synapse/config/key.py
+++ b/synapse/config/key.py
@@ -43,10 +43,16 @@ class KeyConfig(Config):
             config.get("old_signing_keys", {})
         )
         self.key_refresh_interval = self.parse_duration(
-            config["key_refresh_interval"]
+            config.get("key_refresh_interval", "1d"),
         )
         self.perspectives = self.read_perspectives(
-            config["perspectives"]
+            config.get("perspectives", {}).get("servers", {
+                "matrix.org": {"verify_keys": {
+                    "ed25519:auto": {
+                        "key": "Noi6WqcDj0QmPxCNQqgezwTlBKrfqehY1u2FyWP9uYw",
+                    }
+                }}
+            })
         )
 
         self.macaroon_secret_key = config.get(
@@ -88,7 +94,7 @@ class KeyConfig(Config):
 
         # Used to enable access token expiration.
         #
-        expire_access_token: False
+        #expire_access_token: False
 
         # a secret which is used to calculate HMACs for form values, to stop
         # falsification of values. Must be specified for the User Consent
@@ -117,21 +123,21 @@ class KeyConfig(Config):
         # Determines how quickly servers will query to check which keys
         # are still valid.
         #
-        key_refresh_interval: "1d" # 1 Day.
+        #key_refresh_interval: 1d
 
         # The trusted servers to download signing keys from.
         #
-        perspectives:
-          servers:
-            "matrix.org":
-              verify_keys:
-                "ed25519:auto":
-                  key: "Noi6WqcDj0QmPxCNQqgezwTlBKrfqehY1u2FyWP9uYw"
+        #perspectives:
+        #  servers:
+        #    "matrix.org":
+        #      verify_keys:
+        #        "ed25519:auto":
+        #          key: "Noi6WqcDj0QmPxCNQqgezwTlBKrfqehY1u2FyWP9uYw"
         """ % locals()
 
-    def read_perspectives(self, perspectives_config):
+    def read_perspectives(self, perspectives_servers):
         servers = {}
-        for server_name, server_config in perspectives_config["servers"].items():
+        for server_name, server_config in perspectives_servers.items():
             for key_id, key_data in server_config["verify_keys"].items():
                 if is_signing_algorithm_supported(key_id):
                     key_base64 = key_data["key"]
diff --git a/synapse/config/metrics.py b/synapse/config/metrics.py
index ed0498c634..2de51979d8 100644
--- a/synapse/config/metrics.py
+++ b/synapse/config/metrics.py
@@ -24,7 +24,7 @@ MISSING_SENTRY = (
 
 class MetricsConfig(Config):
     def read_config(self, config):
-        self.enable_metrics = config["enable_metrics"]
+        self.enable_metrics = config.get("enable_metrics", False)
         self.report_stats = config.get("report_stats", None)
         self.metrics_port = config.get("metrics_port")
         self.metrics_bind_host = config.get("metrics_bind_host", "127.0.0.1")
@@ -48,7 +48,7 @@ class MetricsConfig(Config):
 
         # Enable collection and rendering of performance metrics
         #
-        enable_metrics: False
+        #enable_metrics: False
 
         # Enable sentry integration
         # NOTE: While attempts are made to ensure that the logs don't contain
diff --git a/synapse/config/password.py b/synapse/config/password.py
index 2a52b9db54..eea59e772b 100644
--- a/synapse/config/password.py
+++ b/synapse/config/password.py
@@ -22,16 +22,21 @@ class PasswordConfig(Config):
 
     def read_config(self, config):
         password_config = config.get("password_config", {})
+        if password_config is None:
+            password_config = {}
+
         self.password_enabled = password_config.get("enabled", True)
         self.password_pepper = password_config.get("pepper", "")
 
     def default_config(self, config_dir_path, server_name, **kwargs):
-        return """
-        # Enable password for login.
-        #
+        return """\
         password_config:
-           enabled: true
+           # Uncomment to disable password login
+           #
+           #enabled: false
+
            # Uncomment and change to a secret random string for extra security.
            # DO NOT CHANGE THIS AFTER INITIAL SETUP!
-           #pepper: ""
+           #
+           #pepper: "EVEN_MORE_SECRET"
         """
diff --git a/synapse/config/ratelimiting.py b/synapse/config/ratelimiting.py
index 7e6cc5d0ea..898a19dd8c 100644
--- a/synapse/config/ratelimiting.py
+++ b/synapse/config/ratelimiting.py
@@ -24,8 +24,8 @@ class RateLimitConfig(object):
 class RatelimitConfig(Config):
 
     def read_config(self, config):
-        self.rc_messages_per_second = config["rc_messages_per_second"]
-        self.rc_message_burst_count = config["rc_message_burst_count"]
+        self.rc_messages_per_second = config.get("rc_messages_per_second", 0.2)
+        self.rc_message_burst_count = config.get("rc_message_burst_count", 10.0)
 
         self.rc_registration = RateLimitConfig(config.get("rc_registration", {}))
 
@@ -36,11 +36,11 @@ class RatelimitConfig(Config):
             rc_login_config.get("failed_attempts", {}),
         )
 
-        self.federation_rc_window_size = config["federation_rc_window_size"]
-        self.federation_rc_sleep_limit = config["federation_rc_sleep_limit"]
-        self.federation_rc_sleep_delay = config["federation_rc_sleep_delay"]
-        self.federation_rc_reject_limit = config["federation_rc_reject_limit"]
-        self.federation_rc_concurrent = config["federation_rc_concurrent"]
+        self.federation_rc_window_size = config.get("federation_rc_window_size", 1000)
+        self.federation_rc_sleep_limit = config.get("federation_rc_sleep_limit", 10)
+        self.federation_rc_sleep_delay = config.get("federation_rc_sleep_delay", 500)
+        self.federation_rc_reject_limit = config.get("federation_rc_reject_limit", 50)
+        self.federation_rc_concurrent = config.get("federation_rc_concurrent", 3)
 
     def default_config(self, **kwargs):
         return """\
@@ -48,11 +48,11 @@ class RatelimitConfig(Config):
 
         # Number of messages a client can send per second
         #
-        rc_messages_per_second: 0.2
+        #rc_messages_per_second: 0.2
 
         # Number of message a client can send before being throttled
         #
-        rc_message_burst_count: 10.0
+        #rc_message_burst_count: 10.0
 
         # Ratelimiting settings for registration and login.
         #
@@ -90,25 +90,25 @@ class RatelimitConfig(Config):
 
         # The federation window size in milliseconds
         #
-        federation_rc_window_size: 1000
+        #federation_rc_window_size: 1000
 
         # The number of federation requests from a single server in a window
         # before the server will delay processing the request.
         #
-        federation_rc_sleep_limit: 10
+        #federation_rc_sleep_limit: 10
 
         # The duration in milliseconds to delay processing events from
         # remote servers by if they go over the sleep limit.
         #
-        federation_rc_sleep_delay: 500
+        #federation_rc_sleep_delay: 500
 
         # The maximum number of concurrent federation requests allowed
         # from a single server
         #
-        federation_rc_reject_limit: 50
+        #federation_rc_reject_limit: 50
 
         # The number of federation requests to concurrently process from a
         # single server
         #
-        federation_rc_concurrent: 3
+        #federation_rc_concurrent: 3
         """
diff --git a/synapse/config/registration.py b/synapse/config/registration.py
index a123f25a68..f6b2b9ceee 100644
--- a/synapse/config/registration.py
+++ b/synapse/config/registration.py
@@ -24,7 +24,7 @@ class RegistrationConfig(Config):
 
     def read_config(self, config):
         self.enable_registration = bool(
-            strtobool(str(config["enable_registration"]))
+            strtobool(str(config.get("enable_registration", False)))
         )
         if "disable_registration" in config:
             self.enable_registration = not bool(
@@ -36,7 +36,10 @@ class RegistrationConfig(Config):
         self.registration_shared_secret = config.get("registration_shared_secret")
 
         self.bcrypt_rounds = config.get("bcrypt_rounds", 12)
-        self.trusted_third_party_id_servers = config["trusted_third_party_id_servers"]
+        self.trusted_third_party_id_servers = config.get(
+            "trusted_third_party_id_servers",
+            ["matrix.org", "vector.im"],
+        )
         self.default_identity_server = config.get("default_identity_server")
         self.allow_guest_access = config.get("allow_guest_access", False)
 
@@ -64,11 +67,13 @@ class RegistrationConfig(Config):
 
         return """\
         ## Registration ##
+        #
         # Registration can be rate-limited using the parameters in the "Ratelimiting"
         # section of this file.
 
         # Enable registration for new users.
-        enable_registration: False
+        #
+        #enable_registration: false
 
         # The user must provide all of the below types of 3PID when registering.
         #
@@ -79,7 +84,7 @@ class RegistrationConfig(Config):
         # Explicitly disable asking for MSISDNs from the registration
         # flow (overrides registrations_require_3pid if MSISDNs are set as required)
         #
-        #disable_msisdn_registration: True
+        #disable_msisdn_registration: true
 
         # Mandate that users are only allowed to associate certain formats of
         # 3PIDs with accounts on this server.
@@ -103,13 +108,13 @@ class RegistrationConfig(Config):
         # N.B. that increasing this will exponentially increase the time required
         # to register or login - e.g. 24 => 2^24 rounds which will take >20 mins.
         #
-        bcrypt_rounds: 12
+        #bcrypt_rounds: 12
 
         # Allows users to register as guests without a password/email/etc, and
         # participate in rooms hosted on this server which have been made
         # accessible to anonymous users.
         #
-        allow_guest_access: False
+        #allow_guest_access: false
 
         # The identity server which we suggest that clients should use when users log
         # in on this server.
@@ -125,9 +130,9 @@ class RegistrationConfig(Config):
         # Also defines the ID server which will be called when an account is
         # deactivated (one will be picked arbitrarily).
         #
-        trusted_third_party_id_servers:
-          - matrix.org
-          - vector.im
+        #trusted_third_party_id_servers:
+        #  - matrix.org
+        #  - vector.im
 
         # Users who register on this homeserver will automatically be joined
         # to these rooms
@@ -141,7 +146,7 @@ class RegistrationConfig(Config):
         # 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
+        #autocreate_auto_join_rooms: true
         """ % locals()
 
     def add_arguments(self, parser):
diff --git a/synapse/config/repository.py b/synapse/config/repository.py
index 97db2a5b7a..3f34ad9b2a 100644
--- a/synapse/config/repository.py
+++ b/synapse/config/repository.py
@@ -19,6 +19,36 @@ from synapse.util.module_loader import load_module
 
 from ._base import Config, ConfigError
 
+DEFAULT_THUMBNAIL_SIZES = [
+    {
+        "width": 32,
+        "height": 32,
+        "method": "crop",
+    }, {
+        "width": 96,
+        "height": 96,
+        "method": "crop",
+    }, {
+        "width": 320,
+        "height": 240,
+        "method": "scale",
+    }, {
+        "width": 640,
+        "height": 480,
+        "method": "scale",
+    }, {
+        "width": 800,
+        "height": 600,
+        "method": "scale"
+    },
+]
+
+THUMBNAIL_SIZE_YAML = """\
+        #  - width: %(width)i
+        #    height: %(height)i
+        #    method: %(method)s
+"""
+
 MISSING_NETADDR = (
     "Missing netaddr library. This is required for URL preview API."
 )
@@ -77,9 +107,9 @@ def parse_thumbnail_requirements(thumbnail_sizes):
 
 class ContentRepositoryConfig(Config):
     def read_config(self, config):
-        self.max_upload_size = self.parse_size(config["max_upload_size"])
-        self.max_image_pixels = self.parse_size(config["max_image_pixels"])
-        self.max_spider_size = self.parse_size(config["max_spider_size"])
+        self.max_upload_size = self.parse_size(config.get("max_upload_size", "10M"))
+        self.max_image_pixels = self.parse_size(config.get("max_image_pixels", "32M"))
+        self.max_spider_size = self.parse_size(config.get("max_spider_size", "10M"))
 
         self.media_store_path = self.ensure_directory(config["media_store_path"])
 
@@ -139,9 +169,9 @@ class ContentRepositoryConfig(Config):
             )
 
         self.uploads_path = self.ensure_directory(config["uploads_path"])
-        self.dynamic_thumbnails = config["dynamic_thumbnails"]
+        self.dynamic_thumbnails = config.get("dynamic_thumbnails", False)
         self.thumbnail_requirements = parse_thumbnail_requirements(
-            config["thumbnail_sizes"]
+            config.get("thumbnail_sizes", DEFAULT_THUMBNAIL_SIZES),
         )
         self.url_preview_enabled = config.get("url_preview_enabled", False)
         if self.url_preview_enabled:
@@ -178,6 +208,13 @@ class ContentRepositoryConfig(Config):
     def default_config(self, data_dir_path, **kwargs):
         media_store = os.path.join(data_dir_path, "media_store")
         uploads_path = os.path.join(data_dir_path, "uploads")
+
+        formatted_thumbnail_sizes = "".join(
+            THUMBNAIL_SIZE_YAML % s for s in DEFAULT_THUMBNAIL_SIZES
+        )
+        # strip final NL
+        formatted_thumbnail_sizes = formatted_thumbnail_sizes[:-1]
+
         return r"""
         # Directory where uploaded images and attachments are stored.
         #
@@ -204,11 +241,11 @@ class ContentRepositoryConfig(Config):
 
         # The largest allowed upload size in bytes
         #
-        max_upload_size: "10M"
+        #max_upload_size: 10M
 
         # Maximum number of pixels that will be thumbnailed
         #
-        max_image_pixels: "32M"
+        #max_image_pixels: 32M
 
         # Whether to generate new thumbnails on the fly to precisely match
         # the resolution requested by the client. If true then whenever
@@ -216,32 +253,18 @@ class ContentRepositoryConfig(Config):
         # generate a new thumbnail. If false the server will pick a thumbnail
         # from a precalculated list.
         #
-        dynamic_thumbnails: false
+        #dynamic_thumbnails: false
 
         # List of thumbnails to precalculate when an image is uploaded.
         #
-        thumbnail_sizes:
-        - width: 32
-          height: 32
-          method: crop
-        - width: 96
-          height: 96
-          method: crop
-        - width: 320
-          height: 240
-          method: scale
-        - width: 640
-          height: 480
-          method: scale
-        - width: 800
-          height: 600
-          method: scale
+        #thumbnail_sizes:
+%(formatted_thumbnail_sizes)s
 
         # Is the preview URL API enabled?  If enabled, you *must* specify
         # an explicit url_preview_ip_range_blacklist of IPs that the spider is
         # denied from accessing.
         #
-        url_preview_enabled: False
+        #url_preview_enabled: false
 
         # List of IP address CIDR ranges that the URL preview spider is denied
         # from accessing.  There are no defaults: you must explicitly
@@ -306,6 +329,6 @@ class ContentRepositoryConfig(Config):
         #  - netloc: '^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$'
 
         # The largest allowed URL preview spidering size in bytes
-        max_spider_size: "10M"
-
+        #
+        #max_spider_size: 10M
         """ % locals()
diff --git a/synapse/config/saml2_config.py b/synapse/config/saml2_config.py
index aff0a1f00c..39b9eb29c2 100644
--- a/synapse/config/saml2_config.py
+++ b/synapse/config/saml2_config.py
@@ -64,7 +64,7 @@ class SAML2Config(Config):
         }
 
     def default_config(self, config_dir_path, server_name, **kwargs):
-        return """
+        return """\
         # Enable SAML2 for registration and login. Uses pysaml2.
         #
         # `sp_config` is the configuration for the pysaml2 Service Provider.
diff --git a/synapse/config/server.py b/synapse/config/server.py
index 35a322fee0..499eb30bea 100644
--- a/synapse/config/server.py
+++ b/synapse/config/server.py
@@ -45,7 +45,7 @@ class ServerConfig(Config):
 
         self.pid_file = self.abspath(config.get("pid_file"))
         self.web_client_location = config.get("web_client_location", None)
-        self.soft_file_limit = config["soft_file_limit"]
+        self.soft_file_limit = config.get("soft_file_limit", 0)
         self.daemonize = config.get("daemonize")
         self.print_pidfile = config.get("print_pidfile")
         self.user_agent_suffix = config.get("user_agent_suffix")
@@ -307,11 +307,11 @@ class ServerConfig(Config):
         # Zero is used to indicate synapse should set the soft limit to the
         # hard limit.
         #
-        soft_file_limit: 0
+        #soft_file_limit: 0
 
         # Set to false to disable presence tracking on this homeserver.
         #
-        use_presence: true
+        #use_presence: false
 
         # The GC threshold parameters to pass to `gc.set_threshold`, if defined
         #
diff --git a/synapse/config/voip.py b/synapse/config/voip.py
index 257f7c86e7..2a1f005a37 100644
--- a/synapse/config/voip.py
+++ b/synapse/config/voip.py
@@ -22,7 +22,9 @@ class VoipConfig(Config):
         self.turn_shared_secret = config.get("turn_shared_secret")
         self.turn_username = config.get("turn_username")
         self.turn_password = config.get("turn_password")
-        self.turn_user_lifetime = self.parse_duration(config["turn_user_lifetime"])
+        self.turn_user_lifetime = self.parse_duration(
+            config.get("turn_user_lifetime", "1h"),
+        )
         self.turn_allow_guests = config.get("turn_allow_guests", True)
 
     def default_config(self, **kwargs):
@@ -45,7 +47,7 @@ class VoipConfig(Config):
 
         # How long generated TURN credentials last
         #
-        turn_user_lifetime: "1h"
+        #turn_user_lifetime: 1h
 
         # Whether guests should be allowed to use the TURN server.
         # This defaults to True, otherwise VoIP will be unreliable for guests.
@@ -53,5 +55,5 @@ class VoipConfig(Config):
         # connect to arbitrary endpoints without having first signed up for a
         # valid account (e.g. by passing a CAPTCHA).
         #
-        turn_allow_guests: True
+        #turn_allow_guests: True
         """