* Add a limit to how many posts can get fetched as a result of a single request

* Add tests

* Always pass `request_id` when processing `Announce` activities

---------

Co-authored-by: nametoolong <nametoolong@users.noreply.github.com>

* Suppress AddressFamilyError

* clarify comment

* Add backend support for editing media attachments of existing posts

* Allow editing media attachments of already-posted toots

* Add tests

* fix: allow verification when page size exceeds 1MB
Truncates the page after 1MB instead

Closes #15316

* switch to HTML5 parser, fix rubocop errors

* undo rubocop fixes

Co-authored-by: Chris Zubak-Skees <chriszs@gmail.com>

* Fix possible race conditions when suspending/unsuspending accounts

* Fix tests

Tests were assuming SuspensionWorker and UnsuspensionWorker would do the
suspending/unsuspending themselves, but this has changed.

* Fix trying to fetch posts from other users when fetching featured posts

* Rate-limit discovery of new subdomains

* Put a limit on recursively discovering new accounts

* Fix trying to fetch posts from other users when fetching featured posts

* Rate-limit discovery of new subdomains

* Put a limit on recursively discovering new accounts

* Fix attachments of edited statuses not being fetched

* Fix tests

* Fix style for hashes

Make the style for hashes consistent.

* New style

More consistency

Before this change, the following error would cause VerifyAccountLinksWorker to fail:

NoMethodError: undefined method `downcase' for nil:NilClass
  [PROJECT_ROOT]/app/services/verify_link_service.rb:31 :in `block in link_back_present?`

* Support UTF-8 Characters in Domains During Import

* Update Changelong

* Fix followers count not being updated when migrating follows

Fixes #19900

* Fix validation error in SynchronizeFeaturedTagsCollectionWorker

Also saves remote user's chosen case for hashtags

* Limit remote featured tags before validation

Fixes #19698

Regression from #19380

* Fix various rspec warnings in ReportService tests

* Add tests to ReportService

* Move ActivityPub::FetchRemoteAccountService to ActivityPub::FetchRemoteActorService

ActivityPub::FetchRemoteAccountService is kept as a wrapper for when the actor is
specifically required to be an Account

* Refactor SignatureVerification to allow non-Account actors

* fixup! Move ActivityPub::FetchRemoteAccountService to ActivityPub::FetchRemoteActorService

* Refactor ActivityPub::FetchRemoteKeyService to potentially return non-Account actors

* Refactor inbound ActivityPub payload processing to accept non-Account actors

* Refactor inbound ActivityPub processing to accept activities relayed through non-Account

* Refactor how Account key URIs are built

* Refactor Request and drop unused key_id_format parameter

* Rename ActivityPub::Dereferencer `signature_account` to `signature_actor`

* Add a more descriptive PrivateNetworkAddressError exception class

* Remove unnecessary exception class to rescue clause

* Remove unnecessary include to JsonLdHelper

* Give more neutral error message when too many webfinger redirects

* Remove unnecessary guard condition

* Rework how “ActivityPub::FetchRemoteAccountService” handles errors

Add “suppress_errors” keyword argument to avoid raising errors in
ActivityPub::FetchRemoteAccountService#call (default/previous behavior).

* Rework how “ActivityPub::FetchRemoteKeyService” handles errors

Add “suppress_errors” keyword argument to avoid raising errors in
ActivityPub::FetchRemoteKeyService#call (default/previous behavior).

* Fix Webfinger::RedirectError not being a subclass of Webfinger::Error

* Add suppress_errors option to ResolveAccountService

Defaults to true (to preserve previous behavior). If set to false,
errors will be raised instead of caught, allowing the caller to be
informed of what went wrong.

* Return more precise error when failing to fetch account signing AP payloads

* Add tests

* Fixes

* Refactor error handling a bit

* Fix various issues

* Add specific error when provided Digest is not 256 bits of base64-encoded data

* Please CodeClimate

* Improve webfinger error reporting

* Add tests

* Fix crash when a remote Flag activity mentions a private post

* Fix NoMethodError when resolving a link that redirects to a local post

* Fix tests

* Fix multiple database queries when fetching pinned posts for remote account

* Fix compatibility with Friendica regarding pinned posts

Fixes #18066

* Add tests

* Fix opening and closing Redis connections instead of using a pool

* Fix Redis connections not being returned to the pool in CLI commands

* Fix temporary network/remote server error prevent from interactions with remote accounts

* Fix and add tests

* Fix single Redis connection being used across all Sidekiq threads

* Fix tests

* Change post text edit to not be considered significant if it's identical after reformatting

* We don't need to clear previous change information anymore

* Require status edits to be explicit, except for poll tallies

* Fix tests

* Add some tests

* Add poll-related tests

* Add HTML-formatting related tests

* Remove obsolete RSS::Serializer test

Since #17828, RSS::Serializer no longer has specific code for deleted statuses,
but it is never called on deleted statuses anyway.

* Rename erroneously-named test files

* Fix failing test

* Fix test deprecation warnings

* Update CircleCI Ruby orb

1.4.0 has a bug that does not match all the test files due to incorrect
globbing