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Close http connection in perform method of Request class (#6889)

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HTTP connections must be explicitly closed in many cases, and letting
perform method close connections makes its callers less redundant and
prevent them from forgetting to close connections.
This commit is contained in:
Akihiko Odaki 2018-03-24 20:49:54 +09:00 • committed by Eugen Rochko
commit 54b273bf99
15 changed files with 134 additions and 127 deletions
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47
app/services/fetch_atom_service.rb
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@ -24,43 +24,44 @@ class FetchAtomService < BaseService
def process(url, terminal = false)
@url = url
perform_request
process_response(terminal)
perform_request { |response| process_response(response, terminal) }
end
def perform_request
def perform_request(&block)
accept = 'text/html'
accept = 'application/activity+json, application/ld+json, application/atom+xml, ' + accept unless @unsupported_activity
@response = Request.new(:get, @url)
.add_headers('Accept' => accept)
.perform
Request.new(:get, @url).add_headers('Accept' => accept).perform(&block)
end
def process_response(terminal = false)
return nil if @response.code != 200
def process_response(response, terminal = false)
return nil if response.code != 200
if @response.mime_type == 'application/atom+xml'
[@url, { prefetched_body: @response.to_s }, :ostatus]
elsif ['application/activity+json', 'application/ld+json; profile="https://www.w3.org/ns/activitystreams"'].include?(@response.mime_type)
json = body_to_json(@response.to_s)
if response.mime_type == 'application/atom+xml'
[@url, { prefetched_body: response.to_s }, :ostatus]
elsif ['application/activity+json', 'application/ld+json; profile="https://www.w3.org/ns/activitystreams"'].include?(response.mime_type)
json = body_to_json(response.to_s)
if supported_context?(json) && json['type'] == 'Person' && json['inbox'].present?
[json['id'], { prefetched_body: @response.to_s, id: true }, :activitypub]
[json['id'], { prefetched_body: response.to_s, id: true }, :activitypub]
elsif supported_context?(json) && json['type'] == 'Note'
[json['id'], { prefetched_body: @response.to_s, id: true }, :activitypub]
[json['id'], { prefetched_body: response.to_s, id: true }, :activitypub]
else
@unsupported_activity = true
nil
end
elsif @response['Link'] && !terminal && link_header.find_link(%w(rel alternate))
process_headers
elsif @response.mime_type == 'text/html' && !terminal
process_html
elsif !terminal
link_header = response['Link'] && parse_link_header(response)
if link_header&.find_link(%w(rel alternate))
process_link_headers(link_header)
elsif response.mime_type == 'text/html'
process_html(response)
end
end
end
def process_html
page = Nokogiri::HTML(@response.to_s)
def process_html(response)
page = Nokogiri::HTML(response.to_s)
json_link = page.xpath('//link[@rel="alternate"]').find { |link| ['application/activity+json', 'application/ld+json; profile="https://www.w3.org/ns/activitystreams"'].include?(link['type']) }
atom_link = page.xpath('//link[@rel="alternate"]').find { |link| link['type'] == 'application/atom+xml' }
@ -71,7 +72,7 @@ class FetchAtomService < BaseService
result
end
def process_headers
def process_link_headers(link_header)
json_link = link_header.find_link(%w(rel alternate), %w(type application/activity+json)) || link_header.find_link(%w(rel alternate), ['type', 'application/ld+json; profile="https://www.w3.org/ns/activitystreams"'])
atom_link = link_header.find_link(%w(rel alternate), %w(type application/atom+xml))
@ -81,7 +82,7 @@ class FetchAtomService < BaseService
result
end
def link_header
@link_header ||= LinkHeader.parse(@response['Link'].is_a?(Array) ? @response['Link'].first : @response['Link'])
def parse_link_header(response)
LinkHeader.parse(response['Link'].is_a?(Array) ? response['Link'].first : response['Link'])
end
end