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https://github.com/mastodon/mastodon
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54b273bf99
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.
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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build_request.perform do |response|
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if response_failed_permanently? response
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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? response
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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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end
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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?(response)
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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?(response)
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response.status.success?
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end
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end
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