1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
# frozen_string_literal: true
class ProcessInteractionService < BaseService
include AuthorExtractor
include Authorization
# Record locally the remote interaction with our user
# @param [String] envelope Salmon envelope
# @param [Account] target_account Account the Salmon was addressed to
def call(envelope, target_account)
body = salmon.unpack(envelope)
xml = Nokogiri::XML(body)
xml.encoding = 'utf-8'
account = author_from_xml(xml.at_xpath('/xmlns:entry', xmlns: TagManager::XMLNS))
return if account.nil? || account.suspended?
if salmon.verify(envelope, account.keypair)
RemoteProfileUpdateWorker.perform_async(account.id, body.force_encoding('UTF-8'), true)
case verb(xml)
when :follow
follow!(account, target_account) unless target_account.locked? || target_account.blocking?(account) || target_account.domain_blocking?(account.domain)
when :request_friend
follow_request!(account, target_account) unless !target_account.locked? || target_account.blocking?(account) || target_account.domain_blocking?(account.domain)
when :authorize
authorize_follow_request!(account, target_account)
when :reject
reject_follow_request!(account, target_account)
when :unfollow
unfollow!(account, target_account)
when :favorite
favourite!(xml, account)
when :unfavorite
unfavourite!(xml, account)
when :post
add_post!(body, account) if mentions_account?(xml, target_account)
when :share
add_post!(body, account) unless status(xml).nil?
when :delete
delete_post!(xml, account)
when :block
reflect_block!(account, target_account)
when :unblock
reflect_unblock!(account, target_account)
end
end
rescue HTTP::Error, OStatus2::BadSalmonError, Mastodon::NotPermittedError
nil
end
private
def mentions_account?(xml, account)
xml.xpath('/xmlns:entry/xmlns:link[@rel="mentioned"]', xmlns: TagManager::XMLNS).each { |mention_link| return true if [TagManager.instance.uri_for(account), TagManager.instance.url_for(account)].include?(mention_link.attribute('href').value) }
false
end
def verb(xml)
raw = xml.at_xpath('//activity:verb', activity: TagManager::AS_XMLNS).content
TagManager::VERBS.key(raw)
rescue
:post
end
def follow!(account, target_account)
follow = account.follow!(target_account)
NotifyService.new.call(target_account, follow)
end
def follow_request!(account, target_account)
follow_request = FollowRequest.create!(account: account, target_account: target_account)
NotifyService.new.call(target_account, follow_request)
end
def authorize_follow_request!(account, target_account)
follow_request = FollowRequest.find_by(account: target_account, target_account: account)
follow_request&.authorize!
Pubsubhubbub::SubscribeWorker.perform_async(account.id) unless account.subscribed?
end
def reject_follow_request!(account, target_account)
follow_request = FollowRequest.find_by(account: target_account, target_account: account)
follow_request&.reject!
end
def unfollow!(account, target_account)
account.unfollow!(target_account)
end
def reflect_block!(account, target_account)
UnfollowService.new.call(target_account, account) if target_account.following?(account)
account.block!(target_account)
end
def reflect_unblock!(account, target_account)
UnblockService.new.call(account, target_account)
end
def delete_post!(xml, account)
status = Status.find(xml.at_xpath('//xmlns:id', xmlns: TagManager::XMLNS).content)
return if status.nil?
authorize_with account, status, :destroy?
RemovalWorker.perform_async(status.id)
end
def favourite!(xml, from_account)
current_status = status(xml)
return if current_status.nil?
favourite = current_status.favourites.where(account: from_account).first_or_create!(account: from_account)
NotifyService.new.call(current_status.account, favourite)
end
def unfavourite!(xml, from_account)
current_status = status(xml)
return if current_status.nil?
favourite = current_status.favourites.where(account: from_account).first
favourite&.destroy
end
def add_post!(body, account)
ProcessingWorker.perform_async(account.id, body.force_encoding('UTF-8'))
end
def status(xml)
uri = activity_id(xml)
return nil unless TagManager.instance.local_id?(uri)
Status.find(TagManager.instance.unique_tag_to_local_id(uri, 'Status'))
end
def activity_id(xml)
xml.at_xpath('//activity:object', activity: TagManager::AS_XMLNS).at_xpath('./xmlns:id', xmlns: TagManager::XMLNS).content
end
def salmon
@salmon ||= OStatus2::Salmon.new
end
end
|
