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authorEugen Rochko <eugen@zeonfederated.com>2018-07-28 23:14:55 +0200
committernightpool <eg1290@gmail.com>2018-07-28 17:14:55 -0400
commitcc94b1d95a7baba4435010ca4e5d7f3425140275 (patch)
tree95c8540d833c2a5dc226395823a6fdc8528f5182 /app/services/activitypub
parent2ccef52a4f5be49e5c3b2256a3c5d4f193a3fe32 (diff)
Prevent ActivityPub movedTo recursion (#8092)
Fix #8051
Diffstat (limited to 'app/services/activitypub')
-rw-r--r--app/services/activitypub/fetch_remote_account_service.rb4
-rw-r--r--app/services/activitypub/process_account_service.rb2
2 files changed, 3 insertions, 3 deletions
diff --git a/app/services/activitypub/fetch_remote_account_service.rb b/app/services/activitypub/fetch_remote_account_service.rb
index 867e70876..41fec9170 100644
--- a/app/services/activitypub/fetch_remote_account_service.rb
+++ b/app/services/activitypub/fetch_remote_account_service.rb
@@ -7,14 +7,14 @@ class ActivityPub::FetchRemoteAccountService < BaseService
 
   # Should be called when uri has already been checked for locality
   # Does a WebFinger roundtrip on each call
-  def call(uri, id: true, prefetched_body: nil)
+  def call(uri, id: true, prefetched_body: nil, break_on_redirect: false)
     @json = if prefetched_body.nil?
               fetch_resource(uri, id)
             else
               body_to_json(prefetched_body)
             end
 
-    return unless supported_context? && expected_type?
+    return if !supported_context? || !expected_type? || (break_on_redirect && @json['movedTo'].present?)
 
     @uri      = @json['id']
     @username = @json['preferredUsername']
diff --git a/app/services/activitypub/process_account_service.rb b/app/services/activitypub/process_account_service.rb
index 453253db4..7f95678b0 100644
--- a/app/services/activitypub/process_account_service.rb
+++ b/app/services/activitypub/process_account_service.rb
@@ -175,7 +175,7 @@ class ActivityPub::ProcessAccountService < BaseService
 
   def moved_account
     account   = ActivityPub::TagManager.instance.uri_to_resource(@json['movedTo'], Account)
-    account ||= ActivityPub::FetchRemoteAccountService.new.call(@json['movedTo'], id: true)
+    account ||= ActivityPub::FetchRemoteAccountService.new.call(@json['movedTo'], id: true, break_on_redirect: true)
     account
   end