Resolve "Mastodon integration"

CHANGELOG.md

@@ -5,6 +5,10 @@ Given the high speed of development in the first phase, changes are being report
 
 ## [Unreleased]
 
+### Added
+
+- Added Mastodon integration.
+
 ### Fixed
 
 - Fixed `switchbot.status` method in case of virtual devices.

docs/source/platypush/plugins/mastodon.rst

@@ -0,0 +1,5 @@
+``mastodon``
+============
+
+.. automodule:: platypush.plugins.mastodon
+    :members:

docs/source/plugins.rst

@@ -72,6 +72,7 @@ Plugins
     platypush/plugins/luma.oled.rst
     platypush/plugins/mail.imap.rst
     platypush/plugins/mail.smtp.rst
+    platypush/plugins/mastodon.rst
     platypush/plugins/media.chromecast.rst
     platypush/plugins/media.gstreamer.rst
     platypush/plugins/media.kodi.rst

platypush/backend/http/app/routes/auth.py

@@ -1,7 +1,6 @@
 import datetime
 import json
 import logging
-from typing import Dict, Optional
 
 from flask import Blueprint, request, abort, jsonify
 
@@ -18,7 +17,7 @@ __routes__ = [
 
 
 @auth.route('/auth', methods=['POST'])
-def auth_endpoint() -> Dict[str, Optional[str]]:
+def auth_endpoint():
     """
     Authentication endpoint. It validates the user credentials provided over a JSON payload with the following
     structure:

platypush/common/ngrok/__init__.py

@@ -0,0 +1,46 @@
+from threading import RLock
+from typing import Optional
+
+from platypush.config import Config
+from platypush.context import get_backend, get_plugin
+
+_app_tunnel_lock = RLock()
+_app_tunnel_url: Optional[str] = None
+
+
+def _get_http_port() -> int:
+    http = None
+    if Config.get('backend.http'):
+        http = get_backend('http')
+
+    assert http, 'The http backend is required in order to subscribe to notifications'
+    return http.port
+
+
+def create_ngrok_tunnel() -> str:
+    """
+    This method creates an ngrok tunnel for the local web application,
+    useful to register public HTTPS callback URLs on the fly from plugins
+    and backends.
+    """
+    global _app_tunnel_url
+    with _app_tunnel_lock:
+        if _app_tunnel_url:
+            return _app_tunnel_url
+
+        local_port = _get_http_port()
+
+        ngrok = None
+        if Config.get('ngrok'):
+            ngrok = get_plugin('ngrok')
+
+        assert ngrok, 'The ngrok plugin is required in order to subscribe to notifications'
+        tunnel_response = ngrok.create_tunnel(
+            resource=local_port,
+            protocol='http',
+            bind_tls=True,
+        ).output
+
+        _app_tunnel_url = tunnel_response.get('url')
+        assert _app_tunnel_url, 'Unable to create an ngrok tunnel'
+        return _app_tunnel_url

platypush/plugins/mastodon/manifest.yaml

@@ -0,0 +1,4 @@
+manifest:
+  events: {}
+  package: platypush.plugins.mastodon
+  type: plugin

platypush/schemas/mastodon.py

@@ -0,0 +1,201 @@
+from random import randint
+
+from marshmallow import fields, missing
+from marshmallow.schema import Schema
+from marshmallow.validate import OneOf
+
+from platypush.schemas import DateTime, Date, StrippedString
+
+notification_types = ['follow', 'favourite', 'reblog', 'mention', 'poll', 'follow_request']
+list_reply_policies = ['none', 'followed', 'list']
+
+
+class MastodonSchema(Schema):
+    pass
+
+
+class MastodonAccountSchema(MastodonSchema):
+    id = fields.String(
+        dump_only=True,
+        metadata=dict(
+            example=''.join([f'{randint(1, 9)}' for _ in range(18)]),
+        )
+    )
+
+    username = fields.String(
+        metadata=dict(
+            example='admin',
+        )
+    )
+
+    url = fields.URL()
+    avatar = fields.URL()
+    header = fields.URL()
+    followers_count = fields.Int(dump_only=True)
+    following_count = fields.Int(dump_only=True)
+    note = fields.String()
+    display_name = StrippedString(
+        metadata=dict(
+            example='Name Surname',
+        )
+    )
+
+    locked = fields.Boolean()
+    bot = fields.Boolean()
+    discoverable = fields.Boolean()
+    group = fields.Boolean()
+    created_at = DateTime(dump_only=True)
+    last_status_at = DateTime(dump_only=True)
+
+
+class MastodonFeaturedHashtagSchema(MastodonSchema):
+    id = fields.Int(dump_only=True)
+    name = fields.String()
+    statuses_count = fields.Int(dump_only=True)
+    last_status = DateTime(dump_only=True)
+
+
+class MastodonHashtagHistorySchema(MastodonSchema):
+    day = Date()
+    uses = fields.Int()
+    accounts = fields.Int()
+
+
+class MastodonHashtagSchema(MastodonSchema):
+    name = fields.String(metadata=dict(example='hashtag'))
+    url = fields.URL()
+    history = fields.Nested(
+        MastodonHashtagHistorySchema, many=True, default=missing
+    )
+
+
+class MastodonMediaSchema(MastodonSchema):
+    id = fields.String(dump_only=True)
+    description = StrippedString()
+    type = fields.String(dump_only=True, metadata={'example': 'image'})
+    url = fields.URL(dump_only=True)
+    preview_url = fields.URL(dump_only=True)
+    remote_url = fields.URL(dump_only=True)
+    preview_remote_url = fields.URL(dump_only=True)
+    meta = fields.Dict()
+
+
+class MastodonStatusSchema(MastodonSchema):
+    id = fields.String(
+        dump_only=True,
+        metadata=dict(
+            example=''.join([f'{randint(1, 9)}' for _ in range(18)]),
+        )
+    )
+
+    in_reply_to_id = fields.String(
+        dump_only=True,
+        allow_none=True,
+        metadata=dict(
+            example=''.join([f'{randint(1, 9)}' for _ in range(18)]),
+        )
+    )
+
+    in_reply_to_account_id = fields.String(
+        dump_only=True,
+        allow_none=True,
+        metadata=dict(
+            example=''.join([f'{randint(1, 9)}' for _ in range(18)]),
+        )
+    )
+
+    url = fields.URL(dump_only=True)
+    content = fields.String(allow_none=False)
+    account = fields.Nested(MastodonAccountSchema, dump_only=True)
+    attachments = fields.Nested(
+        MastodonMediaSchema,
+        many=True,
+        dump_only=True,
+        attribute='media_attachments',
+    )
+    hashtags = fields.Nested(
+        MastodonHashtagSchema, many=True,
+        attribute='tags', dump_only=True
+    )
+
+    replies_count = fields.Int(dump_only=True)
+    reblogs_count = fields.Int(dump_only=True)
+    favourites_count = fields.Int(dump_only=True)
+
+    sensitive = fields.Boolean()
+    favourited = fields.Boolean()
+    reblogged = fields.Boolean()
+    muted = fields.Boolean()
+    bookmarked = fields.Boolean()
+    pinned = fields.Boolean()
+
+    created_at = DateTime(dump_only=True)
+
+
+class MastodonSearchSchema(MastodonSchema):
+    accounts = fields.Nested(MastodonAccountSchema, many=True)
+    statuses = fields.Nested(MastodonStatusSchema, many=True)
+    hashtags = fields.Nested(MastodonHashtagSchema, many=True)
+
+
+class MastodonAccountCreationSchema(MastodonSchema):
+    access_token = fields.String(dump_only=True)
+    token_type = fields.String(dump_only=True, metadata={'example': 'Bearer'})
+    scope = fields.String(dump_only=True, metadata={'example': 'read write follow push'})
+    created_at = DateTime(dump_only=True)
+
+
+class MastodonAccountListSchema(MastodonSchema):
+    id = fields.Int(dump_only=True)
+    title = StrippedString()
+
+
+class MastodonFilterSchema(MastodonSchema):
+    id = fields.Int(dump_only=True)
+    phrase = StrippedString()
+    whole_word = fields.Boolean()
+    irreversible = fields.Boolean()
+    expires_at = DateTime(allow_none=True)
+    context = fields.List(
+        fields.String(validate=OneOf(['home', 'notifications', 'public', 'thread'])),
+        metadata={
+            'example': 'Which context(s) this filter applies to. '
+                       'Possible values: home, notifications, public, thread',
+        }
+    )
+
+
+class MastodonConversationSchema(MastodonSchema):
+    id = fields.Int(dump_only=True)
+    unread = fields.Boolean()
+    accounts = fields.Nested(MastodonAccountSchema, many=True)
+    last_status = fields.Nested(MastodonStatusSchema)
+
+
+class MastodonListSchema(MastodonSchema):
+    id = fields.Int(dump_only=True)
+    title = StrippedString()
+    replies_policy = fields.String(validate=OneOf(list_reply_policies))
+
+
+class MastodonMentionSchema(MastodonSchema):
+    id = fields.Int(dump_only=True)
+    username = StrippedString(metadata=dict(example='user'))
+    url = fields.URL(metadata=dict(example='https://mastodon.social/@user'))
+
+
+class MastodonNotificationSchema(MastodonSchema):
+    id = fields.String(dump_only=True)
+    type = fields.String(validate=OneOf(notification_types))
+    account = fields.Nested(MastodonAccountSchema)
+    status = fields.Nested(MastodonStatusSchema)
+    mention = fields.Nested(MastodonMentionSchema)
+    created_at = DateTime(dump_only=True)
+
+
+class MastodonSubscriptionNotificationTypes(MastodonSchema):
+    follow = fields.Boolean()
+    reblog = fields.Boolean()
+    mention = fields.Boolean()
+    favourite = fields.Boolean()
+    poll = fields.Boolean()