add option to require approval for new instances

relay/data/statements.sql

@@ -23,17 +23,26 @@ SELECT * FROM inboxes WHERE domain = :value or inbox = :value or actor = :value;
 
 
 -- name: put-inbox
-INSERT INTO inboxes (domain, actor, inbox, followid, software, created)
-VALUES (:domain, :actor, :inbox, :followid, :software, :created)
-ON CONFLICT (domain) DO UPDATE SET followid = :followid
+INSERT INTO inboxes (domain, actor, inbox, followid, software, accepted, created)
+VALUES (:domain, :actor, :inbox, :followid, :software, :accepted, :created)
+ON CONFLICT (domain) DO
+UPDATE SET followid = :followid, inbox = :inbox, software = :software, created = :created
 RETURNING *;
 
 
+-- name: put-inbox-accept
+UPDATE inboxes SET accepted = :accepted WHERE domain = :domain RETURNING *;
+
+
 -- name: del-inbox
 DELETE FROM inboxes
 WHERE domain = :value or inbox = :value or actor = :value;
 
 
+-- name: get-request
+SELECT * FROM inboxes WHERE accepted = 0 and domain = :domain;
+
+
 -- name: get-user
 SELECT * FROM users
 WHERE username = :value or handle = :value;

relay/data/swagger.yaml

@@ -285,6 +285,50 @@ paths:
           schema:
             $ref: "#/definitions/Error"
 
+  /v1/request:
+    get:
+      tags:
+      - Follow Request
+      description: Get the list of follow requests
+      produces:
+      - application/json
+      responses:
+        "200":
+          description: List of instances
+          schema:
+            type: array
+            items:
+              $ref: "#/definitions/Instance"
+
+    post:
+      tags:
+      - Follow Request
+      description: Approve or deny a follow request
+      parameters:
+      - in: formData
+        name: domain
+        required: true
+        type: string
+      - in: formData
+        name: accept
+        required: true
+        type: boolean
+      consumes:
+      - application/json
+      - multipart/form-data
+      - application/x-www-form-urlencoded
+      produces:
+      - application/json
+      responses:
+        "200":
+          description: Follow request successfully accepted or denied
+          schema:
+            $ref: "#/definitions/Message"
+        "500":
+          description: Follow request does not exist
+          schema:
+            $ref: "#/definitions/Error"
+
   /v1/domain_ban:
     get:
       tags:
@@ -672,6 +716,9 @@ definitions:
       software:
         description: Nodeinfo-formatted name of the instance's software
         type: string
+      accepted:
+        description: Whether or not the follow request has been accepted
+        type: boolean
       created:
         description: Date the instance joined or was added
         type: string

relay/database/__init__.py

@@ -53,6 +53,7 @@ def get_database(config: Config, migrate: bool = True) -> bsql.Database:
 				if schema_ver < ver:
 					func(conn)
 					conn.put_config('schema-version', ver)
+					logging.info("Updated database to %i", ver)
 
 		if (privkey := conn.get_config('private-key')):
 			conn.app.signer = privkey

relay/database/config.py

@@ -60,8 +60,9 @@ THEMES = {
 }
 
 CONFIG_DEFAULTS: dict[str, tuple[str, Any]] = {
-	'schema-version': ('int', 20240206),
+	'schema-version': ('int', 20240310),
 	'private-key': ('str', None),
+	'approval-required': ('bool', False),
 	'log-level': ('loglevel', logging.LogLevel.INFO),
 	'name': ('str', 'ActivityRelay'),
 	'note': ('str', 'Make a note about your instance here.'),

relay/database/connection.py

@@ -52,7 +52,7 @@ class Connection(SqlConnection):
 			urlparse(message.object_id).netloc
 		}
 
-		for inbox in self.execute('SELECT * FROM inboxes'):
+		for inbox in self.get_inboxes():
 			if inbox['domain'] not in src_domains:
 				yield inbox['inbox']
 
@@ -124,53 +124,45 @@ class Connection(SqlConnection):
 			return cur.one()
 
 
+	def get_inboxes(self) -> tuple[Row]:
+		with self.execute("SELECT * FROM inboxes WHERE accepted = 1") as cur:
+			return tuple(cur.all())
+
+
 	def put_inbox(self,
 				domain: str,
-				inbox: str,
+				inbox: str | None = None,
 				actor: str | None = None,
 				followid: str | None = None,
-				software: str | None = None) -> Row:
+				software: str | None = None,
+				accepted: bool = True) -> Row:
 
 		params = {
-			'domain': domain,
 			'inbox': inbox,
 			'actor': actor,
 			'followid': followid,
 			'software': software,
-			'created': datetime.now(tz = timezone.utc)
+			'accepted': accepted
 		}
 
-		with self.run('put-inbox', params) as cur:
+		if not self.get_inbox(domain):
+			if not inbox:
+				raise ValueError("Missing inbox")
+
+			params['domain'] = domain
+			params['created'] = datetime.now(tz = timezone.utc)
+
+			with self.run('put-inbox', params) as cur:
+				return cur.one()
+
+		for key, value in tuple(params.items()):
+			if value is None:
+				del params[key]
+
+		with self.update('inboxes', params, domain = domain) as cur:
 			return cur.one()
 
 
-	def update_inbox(self,
-					inbox: str,
-					actor: str | None = None,
-					followid: str | None = None,
-					software: str | None = None) -> Row:
-
-		if not (actor or followid or software):
-			raise ValueError('Missing "actor", "followid", and/or "software"')
-
-		data = {}
-
-		if actor:
-			data['actor'] = actor
-
-		if followid:
-			data['followid'] = followid
-
-		if software:
-			data['software'] = software
-
-		statement = Update('inboxes', data)
-		statement.set_where("inbox", inbox)
-
-		with self.query(statement):
-			return self.get_inbox(inbox)
-
-
 	def del_inbox(self, value: str) -> bool:
 		with self.run('del-inbox', {'value': value}) as cur:
 			if cur.row_count > 1:
@@ -179,6 +171,35 @@ class Connection(SqlConnection):
 			return cur.row_count == 1
 
 
+	def get_request(self, domain: str) -> Row:
+		with self.run('get-request', {'domain': domain}) as cur:
+			if not (row := cur.one()):
+				raise KeyError(domain)
+
+			return row
+
+
+	def get_requests(self) -> tuple[Row]:
+		with self.execute('SELECT * FROM inboxes WHERE accepted = 0') as cur:
+			return tuple(cur.all())
+
+
+	def put_request_response(self, domain: str, accepted: bool) -> Row:
+		instance = self.get_request(domain)
+
+		if not accepted:
+			self.del_inbox(domain)
+			return instance
+
+		params = {
+			'domain': domain,
+			'accepted': accepted
+		}
+
+		with self.run('put-inbox-accept', params) as cur:
+			return cur.one()
+
+
 	def get_user(self, value: str) -> Row:
 		with self.run('get-user', {'value': value}) as cur:
 			return cur.one()

relay/database/schema.py

@@ -25,6 +25,7 @@ TABLES: Tables = Tables(
 		Column('inbox', 'text', unique = True, nullable = False),
 		Column('followid', 'text'),
 		Column('software', 'text'),
+		Column('accepted', 'boolean'),
 		Column('created', 'timestamp', nullable = False)
 	),
 	Table(
@@ -76,3 +77,9 @@ def migrate_0(conn: Connection) -> None:
 @migration
 def migrate_20240206(conn: Connection) -> None:
 	conn.create_tables()
+
+
+@migration
+def migrate_20240310(conn: Connection) -> None:
+	conn.execute("ALTER TABLE inboxes ADD COLUMN accepted BOOLEAN")
+	conn.execute("UPDATE inboxes SET accepted = 1")

relay/frontend/functions.haml

@@ -0,0 +1,16 @@
+-macro new_checkbox(name, checked)
+	-if checked
+		%input(id="{{name}}" name="{{name}}" type="checkbox" checked)
+
+	-else
+		%input(id="{{name}}" name="{{name}}" type="checkbox")
+
+
+-macro new_select(name, selected, items)
+	%select(id="{{name}}" name="{{name}}")
+		-for item in items
+			-if item == selected
+				%option(value="{{item}}" selected) -> =item.title()
+
+			-else
+				%option(value="{{item}}") -> =item.title()

relay/frontend/page/admin-config.haml

@@ -1,5 +1,6 @@
 -extends "base.haml"
 -set page="Config"
+-import "functions.haml" as func
 -block content
 	%form.section(action="/admin/config" method="POST")
 		.grid-2col
@@ -10,28 +11,15 @@
 			%textarea(id="description" name="note" value="{{config.note}}") << {{config.note}}
 
 			%label(for="theme") << Color Theme
-			%select(id="theme" name="theme")
-				-for theme in themes
-					-if theme == config.theme
-						%option(value="{{theme}}" selected) -> =theme.title()
-
-					-else
-						%option(value="{{theme}}") -> =theme.title()
+			=func.new_select("theme", config.theme, themes)
 
 			%label(for="log-level") << Log Level
-			%select(id="log-level" name="log-level")
-				-for level in LogLevel
-					-if level == config["log-level"]
-						%option(value="{{level.name}}" selected) -> =level.name.title()
-
-					-else
-						%option(value="{{level.name}}") -> =level.name.title()
+			=func.new_select("log-level", config["log-level"].name, levels)
 
 			%label(for="whitelist-enabled") << Whitelist
-			-if config["whitelist-enabled"]
-				%input(id="whitelist-enabled" name="whitelist-enabled" type="checkbox" checked)
+			=func.new_checkbox("whitelist-enabled", config["whitelist-enabled"])
 
-			-else
-				%input(id="whitelist-enabled" name="whitelist-enabled" type="checkbox")
+			%label(for="approval-required") << Approval Required
+			=func.new_checkbox("approval-required", config["approval-required"])
 
 		%input(type="submit" value="Save")

relay/frontend/page/admin-domain_bans.haml

@@ -16,7 +16,7 @@
 
 			%input(type="submit" value="Ban Domain")
 
-	#data-table.section
+	.data-table.section
 		%table
 			%thead
 				%tr

relay/frontend/page/admin-instances.haml

@@ -19,7 +19,38 @@
 
 			%input(type="submit" value="Add Instance")
 
-	#data-table.section
+	-if requests
+		.data-table.section
+			.title << Requests
+			%table
+				%thead
+					%tr
+						%td.instance << Instance
+						%td.software << Software
+						%td.date << Joined
+						%td.approve
+						%td.deny
+
+				%tbody
+					-for request in requests
+						%tr
+							%td.instance
+								%a(href="https://{{request.domain}}" target="_new") -> =request.domain
+
+							%td.software
+								=request.software or "n/a"
+
+							%td.date
+								=request.created.strftime("%Y-%m-%d")
+
+							%td.approve
+								%a(href="/admin/instances/approve/{{request.domain}}" title="Approve Request") << &check;
+								
+							%td.deny
+								%a(href="/admin/instances/deny/{{request.domain}}" title="Deny Request") << &#10006;
+
+	.data-table.section
+		.title << Instances
 		%table
 			%thead
 				%tr

relay/frontend/page/admin-software_bans.haml

@@ -16,7 +16,7 @@
 
 			%input(type="submit" value="Ban Software")
 
-	#data-table.section
+	.data-table.section
 		%table
 			%thead
 				%tr

relay/frontend/page/admin-users.haml

@@ -19,7 +19,7 @@
 
 			%input(type="submit" value="Add User")
 
-	#data-table.section
+	.data-table.section
 		%table
 			%thead
 				%tr

relay/frontend/page/admin-whitelist.haml

@@ -10,7 +10,7 @@
 
 			%input(type="submit" value="Add Domain")
 
-	#data-table.section
+	.data-table.section
 		%table
 			%thead
 				%tr

relay/frontend/page/home.haml

@@ -19,7 +19,7 @@
 			Note: The whitelist is enabled on this instance. Ask the admin to add your instance
 			before joining.
 
-	#data-table.section
+	.data-table.section
 		%table
 			%thead
 				%tr

relay/frontend/style.css

@@ -91,6 +91,17 @@ textarea {
 	margin: 0px auto;
 }
 
+#content .title {
+	font-size: 24px;
+	text-align: center;
+	font-weight: bold;
+	margin-bottom: 10px;
+}
+
+#content .title:not(:first-child) {
+	margin-top: 10px;
+}
+
 #header {
 	display: grid;
 	grid-template-columns: 50px auto 50px;
@@ -193,15 +204,6 @@ textarea {
 	align-items: center;
 }
 
-#data-table td:first-child {
-	width: 100%;
-}
-
-#data-table .date {
-	width: max-content;
-	text-align: right;
-}
-
 .button {
 	background-color: var(--primary);
 	border: 1px solid var(--primary);
@@ -220,6 +222,15 @@ textarea {
 	grid-template-columns: max-content auto;
 }
 
+.data-table td:first-child {
+	width: 100%;
+}
+
+.data-table .date {
+	width: max-content;
+	text-align: right;
+}
+
 .error, .message {
 	text-align: center;
 }

relay/manage.py

@@ -342,7 +342,7 @@ def cli_config_list(ctx: click.Context) -> None:
 		for key, value in conn.get_config_all().items():
 			if key not in CONFIG_IGNORE:
 				key = f'{key}:'.ljust(20)
-				click.echo(f'- {key} {value}')
+				click.echo(f'- {key} {repr(value)}')
 
 
 @cli_config.command('set')
@@ -477,7 +477,7 @@ def cli_inbox_list(ctx: click.Context) -> None:
 	click.echo('Connected to the following instances or relays:')
 
 	with ctx.obj.database.session() as conn:
-		for inbox in conn.execute('SELECT * FROM inboxes'):
+		for inbox in conn.get_inboxes():
 			click.echo(f'- {inbox["inbox"]}')
 
 
@@ -618,6 +618,80 @@ def cli_inbox_remove(ctx: click.Context, inbox: str) -> None:
 	click.echo(f'Removed inbox from the database: {inbox}')
 
 
+@cli.group('request')
+def cli_request() -> None:
+	'Manage follow requests'
+
+
+@cli_request.command('list')
+@click.pass_context
+def cli_request_list(ctx: click.Context) -> None:
+	'List all current follow requests'
+
+	click.echo('Follow requests:')
+
+	with ctx.obj.database.session() as conn:
+		for instance in conn.get_requests():
+			date = instance['created'].strftime('%Y-%m-%d')
+			click.echo(f'- [{date}] {instance["domain"]}')
+
+
+@cli_request.command('accept')
+@click.argument('domain')
+@click.pass_context
+def cli_request_accept(ctx: click.Context, domain: str) -> None:
+	'Accept a follow request'
+
+	try:
+		with ctx.obj.database.session() as conn:
+			instance = conn.put_request_response(domain, True)
+
+	except KeyError:
+		click.echo('Request not found')
+		return
+
+	message = Message.new_response(
+		host = ctx.obj.config.domain,
+		actor = instance['actor'],
+		followid = instance['followid'],
+		accept = True
+	)
+
+	asyncio.run(http.post(instance['inbox'], message, instance))
+
+	if instance['software'] != 'mastodon':
+		message = Message.new_follow(
+			host = ctx.obj.config.domain,
+			actor = instance['actor']
+		)
+
+		asyncio.run(http.post(instance['inbox'], message, instance))
+
+
+@cli_request.command('deny')
+@click.argument('domain')
+@click.pass_context
+def cli_request_deny(ctx: click.Context, domain: str) -> None:
+	'Accept a follow request'
+
+	try:
+		with ctx.obj.database.session() as conn:
+			instance = conn.put_request_response(domain, False)
+
+	except KeyError:
+		click.echo('Request not found')
+		return
+
+	response = Message.new_response(
+		host = ctx.obj.config.domain,
+		actor = instance['actor'],
+		followid = instance['followid'],
+		accept = False
+	)
+
+	asyncio.run(http.post(instance['inbox'], response, instance))
+
+
 @cli.group('instance')
 def cli_instance() -> None:
 	'Manage instance bans'

relay/misc.py

@@ -117,7 +117,8 @@ class Message(aputils.Message):
 	def new_actor(cls: type[Message],  # pylint: disable=arguments-differ
 				host: str,
 				pubkey: str,
-				description: str | None = None) -> Message:
+				description: str | None = None,
+				approves: bool = False) -> Message:
 
 		return cls({
 			'@context': 'https://www.w3.org/ns/activitystreams',
@@ -126,6 +127,7 @@ class Message(aputils.Message):
 			'preferredUsername': 'relay',
 			'name': 'ActivityRelay',
 			'summary': description or 'ActivityRelay bot',
+			'manuallyApprovesFollowers': approves,
 			'followers': f'https://{host}/followers',
 			'following': f'https://{host}/following',
 			'inbox': f'https://{host}/inbox',

relay/processors.py

@@ -62,9 +62,12 @@ async def handle_forward(view: ActorView, conn: Connection) -> None:
 async def handle_follow(view: ActorView, conn: Connection) -> None:
 	nodeinfo = await view.client.fetch_nodeinfo(view.actor.domain)
 	software = nodeinfo.sw_name if nodeinfo else None
+	config = conn.get_config_all()
 
 	# reject if software used by actor is banned
 	if conn.get_software_ban(software):
+		logging.verbose('Rejected banned actor: %s', view.actor.id)
+
 		view.app.push_message(
 			view.actor.shared_inbox,
 			Message.new_response(
@@ -85,6 +88,8 @@ async def handle_follow(view: ActorView, conn: Connection) -> None:
 
 	## reject if the actor is not an instance actor
 	if person_check(view.actor, software):
+		logging.verbose('Non-application actor tried to follow: %s', view.actor.id)
+
 		view.app.push_message(
 			view.actor.shared_inbox,
 			Message.new_response(
@@ -95,20 +100,49 @@ async def handle_follow(view: ActorView, conn: Connection) -> None:
 			)
 		)
 
-		logging.verbose('Non-application actor tried to follow: %s', view.actor.id)
 		return
 
-	with conn.transaction():
-		if conn.get_inbox(view.actor.shared_inbox):
-			view.instance = conn.update_inbox(view.actor.shared_inbox, followid = view.message.id)
+	if not conn.get_domain_whitelist(view.actor.domain):
+		# add request if approval-required is enabled
+		if config['approval-required']:
+			logging.verbose('New follow request fromm actor: %s', view.actor.id)
 
-		else:
-			view.instance = conn.put_inbox(
-				view.actor.domain,
+			with conn.transaction():
+				view.instance = conn.put_inbox(
+					domain = view.actor.domain,
+					inbox = view.actor.shared_inbox,
+					actor = view.actor.id,
+					followid = view.message.id,
+					software = software,
+					accepted = False
+				)
+
+			return
+
+		# reject if the actor isn't whitelisted while the whiltelist is enabled
+		if config['whitelist-enabled']:
+			logging.verbose('Rejected actor for not being in the whitelist: %s', view.actor.id)
+
+			view.app.push_message(
 				view.actor.shared_inbox,
-				view.actor.id,
-				view.message.id,
-				software
+				Message.new_response(
+					host = view.config.domain,
+					actor = view.actor.id,
+					followid = view.message.id,
+					accept = False
+				)
+			)
+
+			return
+
+	with conn.transaction():
+		view.instance = conn.put_inbox(
+				domain = view.actor.domain,
+				inbox = view.actor.shared_inbox,
+				actor = view.actor.id,
+				followid = view.message.id,
+				software = software,
+				accepted = True
 			)
 
 	view.app.push_message(
@@ -189,15 +223,15 @@ async def run_processor(view: ActorView) -> None:
 			if not view.instance['software']:
 				if (nodeinfo := await view.client.fetch_nodeinfo(view.instance['domain'])):
 					with conn.transaction():
-						view.instance = conn.update_inbox(
-							view.instance['inbox'],
+						view.instance = conn.put_inbox(
+							domain = view.instance['domain'],
 							software = nodeinfo.sw_name
 						)
 
 			if not view.instance['actor']:
 				with conn.transaction():
-					view.instance = conn.update_inbox(
-						view.instance['inbox'],
+					view.instance = conn.put_inbox(
+						domain = view.instance['domain'],
 						actor = view.actor.id
 					)
 

relay/template.py

@@ -2,11 +2,10 @@ from __future__ import annotations
 
 import typing
 
-from hamlish_jinja.extension import HamlishExtension
+from hamlish_jinja import HamlishExtension
 from jinja2 import Environment, FileSystemLoader
 
 from . import __version__
-from .database.config import THEMES
 from .misc import get_resource
 
 if typing.TYPE_CHECKING:
@@ -36,8 +35,8 @@ class Template(Environment):
 
 
 	def render(self, path: str, view: View | None = None, **context: Any) -> str:
-		with self.app.database.session(False) as s:
-			config = s.get_config_all()
+		with self.app.database.session(False) as conn:
+			config = conn.get_config_all()
 
 		new_context = {
 			'view': view,

relay/views/activitypub.py

@@ -30,9 +30,14 @@ class ActorView(View):
 
 
 	async def get(self, request: Request) -> Response:
+		with self.database.session(False) as conn:
+			config = conn.get_config_all()
+
 		data = Message.new_actor(
 			host = self.config.domain,
-			pubkey = self.app.signer.pubkey
+			pubkey = self.app.signer.pubkey,
+			description = ''.join(f"<p>{line}</p>" for line in config['note'].splitlines()),
+			approves = config['approval-required']
 		)
 
 		return Response.new(data, ctype='activity')
@@ -44,12 +49,6 @@ class ActorView(View):
 
 		with self.database.session() as conn:
 			self.instance = conn.get_inbox(self.actor.shared_inbox)
-			config = conn.get_config_all()
-
-			## reject if the actor isn't whitelisted while the whiltelist is enabled
-			if config['whitelist-enabled'] and not conn.get_domain_whitelist(self.actor.domain):
-				logging.verbose('Rejected actor for not being in the whitelist: %s', self.actor.id)
-				return Response.new_error(403, 'access denied', 'json')
 
 			## reject if actor is banned
 			if conn.get_domain_ban(self.actor.domain):

relay/views/api.py

@@ -212,7 +212,7 @@ class Inbox(View):
 			if not (instance := conn.get_inbox(data['domain'])):
 				return Response.new_error(404, 'Instance with domain not found', 'json')
 
-			instance = conn.update_inbox(instance['inbox'], **data)
+			instance = conn.put_inbox(instance['domain'], **data)
 
 		return Response.new(instance, ctype = 'json')
 
@@ -232,6 +232,50 @@ class Inbox(View):
 		return Response.new({'message': 'Deleted instance'}, ctype = 'json')
 
 
+@register_route('/api/v1/request')
+class RequestView(View):
+	async def get(self, request: Request) -> Response:
+		with self.database.session() as conn:
+			instances = conn.get_requests()
+
+		return Response.new(instances, ctype = 'json')
+
+
+	async def post(self, request: Request) -> Response:
+		data = await self.get_api_data(['domain', 'accept'], [])
+
+		if not isinstance(data['accept'], bool):
+			atype = type(data['accept']).__name__
+			return Response.new_error(400, f'Invalid type for "accept": {atype}', 'json')
+
+		try:
+			with self.database.session(True) as conn:
+				instance = conn.put_request_response(data['domain'], data['accept'])
+
+		except KeyError:
+			return Response.new_error(404, 'Request not found', 'json')
+
+		message = Message.new_response(
+			host = self.config.domain,
+			actor = instance['actor'],
+			followid = instance['followid'],
+			accept = data['accept']
+		)
+
+		self.app.push_message(instance['inbox'], message, instance)
+
+		if data['accept'] and instance['software'] != 'mastodon':
+			message = Message.new_follow(
+				host = self.config.domain,
+				actor = instance['actor']
+			)
+
+			self.app.push_message(instance['inbox'], message, instance)
+
+		resp_message = {'message': 'Request accepted' if data['accept'] else 'Request denied'}
+		return Response.new(resp_message, ctype = 'json')
+
+
 @register_route('/api/v1/domain_ban')
 class DomainBan(View):
 	async def get(self, request: Request) -> Response:

relay/views/frontend.py

@@ -56,7 +56,7 @@ class HomeView(View):
 	async def get(self, request: Request) -> Response:
 		with self.database.session() as conn:
 			context = {
-				'instances': tuple(conn.execute('SELECT * FROM inboxes').all())
+				'instances': tuple(conn.get_inboxes())
 			}
 
 		data = self.template.render('page/home.haml', self, **context)
@@ -137,7 +137,8 @@ class AdminInstances(View):
 
 		with self.database.session() as conn:
 			context = {
-				'instances': tuple(conn.execute('SELECT * FROM inboxes').all())
+				'instances': tuple(conn.get_inboxes()),
+				'requests': tuple(conn.get_requests())
 			}
 
 			if error:
@@ -179,15 +180,66 @@ class AdminInstances(View):
 @register_route('/admin/instances/delete/{domain}')
 class AdminInstancesDelete(View):
 	async def get(self, request: Request, domain: str) -> Response:
-		with self.database.session() as conn:
+		with self.database.session(True) as conn:
 			if not conn.get_inbox(domain):
-				return await AdminInstances(request).get(request, message = 'Instance not found')
+				return await AdminInstances(request).get(request, error = 'Instance not found')
 
 			conn.del_inbox(domain)
 
 		return await AdminInstances(request).get(request, message = 'Removed instance')
 
 
+@register_route('/admin/instances/approve/{domain}')
+class AdminInstancesApprove(View):
+	async def get(self, request: Request, domain: str) -> Response:
+		try:
+			with self.database.session(True) as conn:
+				instance = conn.put_request_response(domain, True)
+
+		except KeyError:
+			return await AdminInstances(request).get(request, error = 'Instance not found')
+
+		message = Message.new_response(
+			host = self.config.domain,
+			actor = instance['actor'],
+			followid = instance['followid'],
+			accept = True
+		)
+
+		self.app.push_message(instance['inbox'], message, instance)
+
+		if instance['software'] != 'mastodon':
+			message = Message.new_follow(
+				host = self.config.domain,
+				actor = instance['actor']
+			)
+
+			self.app.push_message(instance['inbox'], message, instance)
+
+		return await AdminInstances(request).get(request, message = 'Request accepted')
+
+
+@register_route('/admin/instances/deny/{domain}')
+class AdminInstancesDeny(View):
+	async def get(self, request: Request, domain: str) -> Response:
+		try:
+			with self.database.session(True) as conn:
+				instance = conn.put_request_response(domain, False)
+
+		except KeyError:
+			return await AdminInstances(request).get(request, error = 'Instance not found')
+
+		message = Message.new_response(
+			host = self.config.domain,
+			actor = instance['actor'],
+			followid = instance['followid'],
+			accept = False
+		)
+
+		self.app.push_message(instance['inbox'], message, instance)
+		return await AdminInstances(request).get(request, message = 'Request denied')
+
+
 @register_route('/admin/whitelist')
 class AdminWhitelist(View):
 	async def get(self,
@@ -412,7 +464,7 @@ class AdminConfig(View):
 	async def get(self, request: Request, message: str | None = None) -> Response:
 		context = {
 			'themes': tuple(THEMES.keys()),
-			'LogLevel': LogLevel,
+			'levels': tuple(level.name for level in LogLevel),
 			'message': message
 		}
 		data = self.template.render('page/admin-config.haml', self, **context)

relay/views/misc.py

@@ -34,7 +34,7 @@ class NodeinfoView(View):
 	# pylint: disable=no-self-use
 	async def get(self, request: Request, niversion: str) -> Response:
 		with self.database.session() as conn:
-			inboxes = conn.execute('SELECT * FROM inboxes').all()
+			inboxes = conn.get_inboxes()
 
 			data = {
 				'name': 'activityrelay',
@@ -42,7 +42,10 @@ class NodeinfoView(View):
 				'protocols': ['activitypub'],
 				'open_regs': not conn.get_config('whitelist-enabled'),
 				'users': 1,
-				'metadata': {'peers': [inbox['domain'] for inbox in inboxes]}
+				'metadata': {
+					'approval_required': conn.get_config('approval-required'),
+					'peers': [inbox['domain'] for inbox in inboxes]
+				}
 			}
 
 		if niversion == '2.1':