forked from fedi/mastodon
59 lines
1.6 KiB
Ruby
59 lines
1.6 KiB
Ruby
# frozen_string_literal: true
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class SubscribeService < BaseService
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def call(account)
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return if account.hub_url.blank?
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@account = account
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@account.secret = SecureRandom.hex
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@response = build_request.perform
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if response_failed_permanently?
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# We're not allowed to subscribe. Fail and move on.
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@account.secret = ''
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@account.save!
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elsif response_successful?
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# The subscription will be confirmed asynchronously.
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@account.save!
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else
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# The response was either a 429 rate limit, or a 5xx error.
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# We need to retry at a later time. Fail loudly!
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raise Mastodon::UnexpectedResponseError, @response
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end
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@response.connection&.close
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end
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private
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def build_request
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request = Request.new(:post, @account.hub_url, form: subscription_params)
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request.on_behalf_of(some_local_account) if some_local_account
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request
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end
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def subscription_params
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{
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'hub.topic': @account.remote_url,
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'hub.mode': 'subscribe',
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'hub.callback': api_subscription_url(@account.id),
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'hub.verify': 'async',
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'hub.secret': @account.secret,
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'hub.lease_seconds': 7.days.seconds,
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}
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end
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def some_local_account
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@some_local_account ||= Account.local.where(suspended: false).first
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end
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# Any response in the 3xx or 4xx range, except for 429 (rate limit)
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def response_failed_permanently?
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(@response.status.redirect? || @response.status.client_error?) && !@response.status.too_many_requests?
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end
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# Any response in the 2xx range
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def response_successful?
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@response.status.success?
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end
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end
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