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-rw-r--r--app/services/follow_service.rb2
-rw-r--r--app/services/process_interaction_service.rb2
-rw-r--r--app/services/subscribe_service.rb28
-rw-r--r--app/services/update_remote_profile_service.rb2
4 files changed, 25 insertions, 9 deletions
diff --git a/app/services/follow_service.rb b/app/services/follow_service.rb
index 844f5282d..23e721fac 100644
--- a/app/services/follow_service.rb
+++ b/app/services/follow_service.rb
@@ -40,7 +40,7 @@ class FollowService < BaseService
     if target_account.local?
       NotifyService.new.call(target_account, follow)
     else
-      SubscribeService.new.call(target_account) unless target_account.subscribed?
+      Pubsubhubbub::SubscribeWorker.perform_async(target_account.id) unless target_account.subscribed?
       NotificationWorker.perform_async(build_follow_xml(follow), source_account.id, target_account.id)
       AfterRemoteFollowWorker.perform_async(follow.id)
     end
diff --git a/app/services/process_interaction_service.rb b/app/services/process_interaction_service.rb
index 1f15a265d..16eac2353 100644
--- a/app/services/process_interaction_service.rb
+++ b/app/services/process_interaction_service.rb
@@ -77,7 +77,7 @@ class ProcessInteractionService < BaseService
   def authorize_follow_request!(account, target_account)
     follow_request = FollowRequest.find_by(account: target_account, target_account: account)
     follow_request&.authorize!
-    SubscribeService.new.call(account) unless account.subscribed?
+    Pubsubhubbub::SubscribeWorker.perform_async(account.id) unless account.subscribed?
   end
 
   def reject_follow_request!(account, target_account)
diff --git a/app/services/subscribe_service.rb b/app/services/subscribe_service.rb
index 820b208e9..138718f14 100644
--- a/app/services/subscribe_service.rb
+++ b/app/services/subscribe_service.rb
@@ -5,15 +5,31 @@ class SubscribeService < BaseService
     account.secret = SecureRandom.hex
 
     subscription = account.subscription(api_subscription_url(account.id))
-    response = subscription.subscribe
+    response     = subscription.subscribe
 
-    unless response.successful?
+    if response_failed_permanently?(response)
+      # An error in the 4xx range (except for 429, which is rate limiting)
+      # means we're not allowed to subscribe. Fail and move on
       account.secret = ''
-      Rails.logger.debug "PuSH subscription request for #{account.acct} failed: #{response.message}"
+      account.save!
+    elsif response_successful?(response)
+      # Anything in the 2xx range means the subscription will be confirmed
+      # asynchronously, we've done what we needed to do
+      account.save!
+    else
+      # What's left is the 5xx range and 429, which means we need to retry
+      # at a later time. Fail loudly!
+      raise "Subscription attempt failed for #{account.acct} (#{account.hub_url}): HTTP #{response.code}"
     end
+  end
+
+  private
+
+  def response_failed_permanently?(response)
+    response.code > 299 && response.code < 500 && response.code != 429
+  end
 
-    account.save!
-  rescue HTTP::Error, OpenSSL::SSL::SSLError
-    Rails.logger.debug "PuSH subscription request for #{account.acct} could not be made due to HTTP or SSL error"
+  def response_successful?(response)
+    response.code > 199 && response.code < 300
   end
 end
diff --git a/app/services/update_remote_profile_service.rb b/app/services/update_remote_profile_service.rb
index 31f4af2c1..f0c39ecc0 100644
--- a/app/services/update_remote_profile_service.rb
+++ b/app/services/update_remote_profile_service.rb
@@ -28,7 +28,7 @@ class UpdateRemoteProfileService < BaseService
 
     account.save_with_optional_avatar!
 
-    SubscribeService.new.call(account) if resubscribe && (account.hub_url != old_hub_url)
+    Pubsubhubbub::SubscribeWorker.perform_async(account.id) if resubscribe && (account.hub_url != old_hub_url)
   end
 
   private