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diff --git a/lib/pleroma/web/api_spec/operations/streaming_operation.ex b/lib/pleroma/web/api_spec/operations/streaming_operation.ex
index fa48b9613..4c4888d8e 100644
--- a/lib/pleroma/web/api_spec/operations/streaming_operation.ex
+++ b/lib/pleroma/web/api_spec/operations/streaming_operation.ex
@@ -1,431 +1,464 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.ApiSpec.StreamingOperation do
alias OpenApiSpex.Operation
alias OpenApiSpex.Response
alias OpenApiSpex.Schema
alias Pleroma.Web.ApiSpec.NotificationOperation
alias Pleroma.Web.ApiSpec.Schemas.Chat
alias Pleroma.Web.ApiSpec.Schemas.Conversation
alias Pleroma.Web.ApiSpec.Schemas.FlakeID
alias Pleroma.Web.ApiSpec.Schemas.Status
require Pleroma.Constants
@spec open_api_operation(atom) :: Operation.t()
def open_api_operation(action) do
operation = String.to_existing_atom("#{action}_operation")
apply(__MODULE__, operation, [])
end
@spec streaming_operation() :: Operation.t()
def streaming_operation do
%Operation{
tags: ["Timelines"],
summary: "Establish streaming connection",
- description: "Receive statuses in real-time via WebSocket.",
+ description: """
+ Receive statuses in real-time via WebSocket.
+
+ You can specify the access token on the query string or through the `sec-websocket-protocol` header. Using
+ the query string to authenticate is considered unsafe and should not be used unless you have to (e.g. to maintain
+ your client's compatibility with Mastodon).
+
+ You may specify a stream on the query string. If you do so and you are connecting to a stream that requires logged-in users,
+ you must specify the access token at the time of the connection (i.e. via query string or header).
+
+ Otherwise, you have the option to authenticate after you have established the connection through client-sent events.
+
+ The "Request body" section below describes what events clients can send through WebSocket, and the "Responses" section
+ describes what events server will send through WebSocket.
+ """,
security: [%{"oAuth" => ["read:statuses", "read:notifications"]}],
operationId: "WebsocketHandler.streaming",
- parameters: [
- Operation.parameter(:connection, :header, %Schema{type: :string}, "connection header",
- required: true
- ),
- Operation.parameter(:upgrade, :header, %Schema{type: :string}, "upgrade header",
- required: true
- ),
- Operation.parameter(
- :"sec-websocket-key",
- :header,
- %Schema{type: :string},
- "sec-websocket-key header",
- required: true
- ),
- Operation.parameter(
- :"sec-websocket-version",
- :header,
- %Schema{type: :string},
- "sec-websocket-version header",
- required: true
- )
- ],
+ parameters:
+ [
+ Operation.parameter(:connection, :header, %Schema{type: :string}, "connection header",
+ required: true
+ ),
+ Operation.parameter(:upgrade, :header, %Schema{type: :string}, "upgrade header",
+ required: true
+ ),
+ Operation.parameter(
+ :"sec-websocket-key",
+ :header,
+ %Schema{type: :string},
+ "sec-websocket-key header",
+ required: true
+ ),
+ Operation.parameter(
+ :"sec-websocket-version",
+ :header,
+ %Schema{type: :string},
+ "sec-websocket-version header",
+ required: true
+ )
+ ] ++ stream_params() ++ access_token_params(),
requestBody: request_body("Client-sent events", client_sent_events()),
responses: %{
101 => switching_protocols_response(),
200 =>
Operation.response(
"Server-sent events",
"application/json",
server_sent_events()
)
}
}
end
+ defp stream_params do
+ stream_specifier()
+ |> Enum.map(fn {name, schema} ->
+ Operation.parameter(name, :query, schema, get_schema(schema).description)
+ end)
+ end
+
+ defp access_token_params do
+ [
+ Operation.parameter(:access_token, :query, token(), token().description),
+ Operation.parameter(:"sec-websocket-protocol", :header, token(), token().description)
+ ]
+ end
+
defp switching_protocols_response do
%Response{
description: "Switching protocols",
headers: %{
"connection" => %OpenApiSpex.Header{required: true},
"upgrade" => %OpenApiSpex.Header{required: true},
"sec-websocket-accept" => %OpenApiSpex.Header{required: true}
}
}
end
defp server_sent_events do
%Schema{
oneOf: [
update_event(),
status_update_event(),
notification_event(),
chat_update_event(),
follow_relationships_update_event(),
conversation_event(),
delete_event(),
pleroma_respond_event()
]
}
end
defp stream do
%Schema{
type: :array,
title: "Stream",
description: """
The stream identifier.
The first item is the name of the stream. If the stream needs a differentiator, the second item will be the corresponding identifier.
Currently, for the following stream types, there is a second element in the array:
- `list`: The second element is the id of the list, as a string.
- `hashtag`: The second element is the name of the hashtag.
- `public:remote:media` and `public:remote`: The second element is the domain of the corresponding instance.
""",
maxItems: 2,
minItems: 1,
items: %Schema{type: :string},
example: ["hashtag", "mew"]
}
end
defp get_schema(%Schema{} = schema), do: schema
defp get_schema(schema), do: schema.schema
defp server_sent_event_helper(name, description, type, payload, opts \\ []) do
payload_type = Keyword.get(opts, :payload_type, :json)
has_stream = Keyword.get(opts, :has_stream, true)
stream_properties =
if has_stream do
%{stream: stream()}
else
%{}
end
stream_example = if has_stream, do: %{"stream" => get_schema(stream()).example}, else: %{}
stream_required = if has_stream, do: [:stream], else: []
payload_schema =
if payload_type == :json do
%Schema{
title: "Event payload",
description: "JSON-encoded string of #{get_schema(payload).title}",
allOf: [payload]
}
else
payload
end
payload_example =
if payload_type == :json do
get_schema(payload).example |> Jason.encode!()
else
get_schema(payload).example
end
%Schema{
type: :object,
title: name,
description: description,
required: [:event, :payload] ++ stream_required,
properties:
%{
event: %Schema{
title: "Event type",
description: "Type of the event.",
type: :string,
required: true,
enum: [type]
},
payload: payload_schema
}
|> Map.merge(stream_properties),
example:
%{
"event" => type,
"payload" => payload_example
}
|> Map.merge(stream_example)
}
end
defp update_event do
server_sent_event_helper("New status", "A newly-posted status.", "update", Status)
end
defp status_update_event do
server_sent_event_helper("Edit", "A status that was just edited", "status.update", Status)
end
defp notification_event do
server_sent_event_helper(
"Notification",
"A new notification.",
"notification",
NotificationOperation.notification()
)
end
defp follow_relationships_update_event do
server_sent_event_helper(
"Follow relationships update",
"An update to follow relationships.",
"pleroma:follow_relationships_update",
%Schema{
type: :object,
title: "Follow relationships update",
required: [:state, :follower, :following],
properties: %{
state: %Schema{
type: :string,
description: "Follow state of the relationship.",
enum: ["follow_pending", "follow_accept", "follow_reject", "unfollow"]
},
follower: %Schema{
type: :object,
description: "Information about the follower.",
required: [:id, :follower_count, :following_count],
properties: %{
id: FlakeID,
follower_count: %Schema{type: :integer},
following_count: %Schema{type: :integer}
}
},
following: %Schema{
type: :object,
description: "Information about the following person.",
required: [:id, :follower_count, :following_count],
properties: %{
id: FlakeID,
follower_count: %Schema{type: :integer},
following_count: %Schema{type: :integer}
}
}
},
example: %{
"state" => "follow_pending",
"follower" => %{
"id" => "someUser1",
"follower_count" => 1,
"following_count" => 1
},
"following" => %{
"id" => "someUser2",
"follower_count" => 1,
"following_count" => 1
}
}
}
)
end
defp chat_update_event do
server_sent_event_helper(
"Chat update",
"A new chat message.",
"pleroma:chat_update",
Chat
)
end
defp conversation_event do
server_sent_event_helper(
"Conversation",
"An update about a conversation",
"conversation",
Conversation
)
end
defp delete_event do
server_sent_event_helper(
"Delete",
"A status that was just deleted.",
"delete",
%Schema{
type: :string,
title: "Status id",
description: "Id of the deleted status",
allOf: [FlakeID],
example: "some-opaque-id"
},
payload_type: :string,
has_stream: false
)
end
defp pleroma_respond_event do
server_sent_event_helper(
"Server response",
"A response to a client-sent event.",
"pleroma:respond",
%Schema{
type: :object,
title: "Results",
required: [:result, :type],
properties: %{
result: %Schema{
type: :string,
title: "Result of the request",
enum: ["success", "error", "ignored"]
},
error: %Schema{
type: :string,
title: "Error code",
description: "An error identifier. Only appears if `result` is `error`."
},
type: %Schema{
type: :string,
description: "Type of the request."
}
},
example: %{"result" => "success", "type" => "pleroma:authenticate"}
},
has_stream: false
)
end
defp client_sent_events do
%Schema{
oneOf: [
subscribe_event(),
unsubscribe_event(),
authenticate_event()
]
}
end
defp request_body(description, schema, opts \\ []) do
%OpenApiSpex.RequestBody{
description: description,
content: %{
"application/json" => %OpenApiSpex.MediaType{
schema: schema,
example: opts[:example],
examples: opts[:examples]
}
}
}
end
defp client_sent_event_helper(name, description, type, properties, opts) do
required = opts[:required] || []
%Schema{
type: :object,
title: name,
required: [:type] ++ required,
description: description,
properties:
%{
type: %Schema{type: :string, enum: [type], description: "Type of the event."}
}
|> Map.merge(properties),
example: opts[:example]
}
end
defp subscribe_event do
client_sent_event_helper(
"Subscribe",
"Subscribe to a stream.",
"subscribe",
stream_specifier(),
required: [:stream],
example: %{"type" => "subscribe", "stream" => "list", "list" => "1"}
)
end
defp unsubscribe_event do
client_sent_event_helper(
"Unsubscribe",
"Unsubscribe from a stream.",
"subscribe",
stream_specifier(),
required: [:stream],
example: %{
"type" => "unsubscribe",
"stream" => "public:remote:media",
"instance" => "example.org"
}
)
end
defp authenticate_event do
client_sent_event_helper(
"Authenticate",
"Authenticate via an access token.",
"pleroma:authenticate",
%{
- token: %Schema{
- type: :string,
- description: "An OAuth access token with corresponding permissions.",
- example: "some token"
- }
+ token: token()
},
required: [:token]
)
end
+ defp token do
+ %Schema{
+ type: :string,
+ description: "An OAuth access token with corresponding permissions.",
+ example: "some token"
+ }
+ end
+
defp stream_specifier do
%{
stream: %Schema{
type: :string,
description: "The name of the stream.",
enum:
Pleroma.Constants.public_streams() ++
[
"public:remote",
"public:remote:media",
"user",
"user:pleroma_chat",
"user:notification",
"direct",
"list",
"hashtag"
]
},
list: %Schema{
type: :string,
title: "List id",
description: "The id of the list. Required when `stream` is `list`.",
example: "some-id"
},
tag: %Schema{
type: :string,
title: "Hashtag name",
description: "The name of the hashtag. Required when `stream` is `hashtag`.",
example: "mew"
},
instance: %Schema{
type: :string,
title: "Domain name",
description:
"Domain name of the instance. Required when `stream` is `public:remote` or `public:remote:media`.",
example: "example.org"
}
}
end
end

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