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@ -16,13 +16,15 @@ module JsonLdHelper |
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# The url attribute can be a string, an array of strings, or an array of objects. |
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# The objects could include a mimeType. Not-included mimeType means it's text/html. |
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def url_to_href(value, preferred_type = nil) |
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single_value = if value.is_a?(Array) && !value.first.is_a?(String) |
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value.find { |link| preferred_type.nil? || ((link['mimeType'].presence || 'text/html') == preferred_type) } |
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elsif value.is_a?(Array) |
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value.first |
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else |
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value |
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end |
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single_value = begin |
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if value.is_a?(Array) && !value.first.is_a?(String) |
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value.find { |link| preferred_type.nil? || ((link['mimeType'].presence || 'text/html') == preferred_type) } |
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elsif value.is_a?(Array) |
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value.first |
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else |
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value |
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end |
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end |
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if single_value.nil? || single_value.is_a?(String) |
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single_value |
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@ -64,7 +66,9 @@ module JsonLdHelper |
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def fetch_resource(uri, id, on_behalf_of = nil) |
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unless id |
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json = fetch_resource_without_id_validation(uri, on_behalf_of) |
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return unless json |
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uri = json['id'] |
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end |
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@ -74,24 +78,26 @@ module JsonLdHelper |
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def fetch_resource_without_id_validation(uri, on_behalf_of = nil, raise_on_temporary_error = false) |
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build_request(uri, on_behalf_of).perform do |response| |
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unless response_successful?(response) || response_error_unsalvageable?(response) || !raise_on_temporary_error |
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raise Mastodon::UnexpectedResponseError, response |
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end |
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raise Mastodon::UnexpectedResponseError, response unless response_successful?(response) || response_error_unsalvageable?(response) || !raise_on_temporary_error |
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return body_to_json(response.body_with_limit) if response.code == 200 |
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end |
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# If request failed, retry without doing it on behalf of a user |
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return if on_behalf_of.nil? |
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build_request(uri).perform do |response| |
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unless response_successful?(response) || response_error_unsalvageable?(response) || !raise_on_temporary_error |
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raise Mastodon::UnexpectedResponseError, response |
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end |
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raise Mastodon::UnexpectedResponseError, response unless response_successful?(response) || response_error_unsalvageable?(response) || !raise_on_temporary_error |
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response.code == 200 ? body_to_json(response.body_with_limit) : nil |
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end |
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end |
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def body_to_json(body, compare_id: nil) |
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json = body.is_a?(String) ? Oj.load(body, mode: :strict) : body |
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return if compare_id.present? && json['id'] != compare_id |
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json |
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rescue Oj::ParseError |
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nil |
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@ -105,35 +111,34 @@ module JsonLdHelper |
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end |
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end |
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private |
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def response_successful?(response) |
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(200...300).cover?(response.code) |
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end |
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def response_error_unsalvageable?(response) |
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(400...500).cover?(response.code) && response.code != 429 |
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response.code == 501 || ((400...500).cover?(response.code) && ![401, 408, 429].include?(response.code)) |
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end |
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def build_request(uri, on_behalf_of = nil) |
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request = Request.new(:get, uri) |
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request.on_behalf_of(on_behalf_of) if on_behalf_of |
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request.add_headers('Accept' => 'application/activity+json, application/ld+json') |
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request |
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Request.new(:get, uri).tap do |request| |
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request.on_behalf_of(on_behalf_of) if on_behalf_of |
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request.add_headers('Accept' => 'application/activity+json, application/ld+json') |
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end |
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end |
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def load_jsonld_context(url, _options = {}, &_block) |
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json = Rails.cache.fetch("jsonld:context:#{url}", expires_in: 30.days, raw: true) do |
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request = Request.new(:get, url) |
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request.add_headers('Accept' => 'application/ld+json') |
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request.perform do |res| |
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raise JSON::LD::JsonLdError::LoadingDocumentFailed unless res.code == 200 && res.mime_type == 'application/ld+json' |
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res.body_with_limit |
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end |
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end |
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doc = JSON::LD::API::RemoteDocument.new(url, json) |
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block_given? ? yield(doc) : doc |
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end |
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end |