Follow call on locked account creates follow request instead

Reflect "requested" relationship in API and UI
Reflect inability of private posts to be reblogged in the UI
Disable Webfinger for locked accounts

app/controllers/api/v1/accounts_controller.rb

@@ -84,10 +84,12 @@ class Api::V1::AccountsController < ApiController
 
   def relationships
     ids = params[:id].is_a?(Enumerable) ? params[:id].map(&:to_i) : [params[:id].to_i]
+
     @accounts    = Account.where(id: ids).select('id')
     @following   = Account.following_map(ids, current_user.account_id)
     @followed_by = Account.followed_by_map(ids, current_user.account_id)
     @blocking    = Account.blocking_map(ids, current_user.account_id)
+    @requested   = Account.requested_map(ids, current_user.account_id)
   end
 
   def search
@@ -109,5 +111,6 @@ class Api::V1::AccountsController < ApiController
     @following   = Account.following_map([@account.id], current_user.account_id)
     @followed_by = Account.followed_by_map([@account.id], current_user.account_id)
     @blocking    = Account.blocking_map([@account.id], current_user.account_id)
+    @requested   = Account.requested_map([@account.id], current_user.account_id)
   end
 end

app/controllers/stream_entries_controller.rb

@@ -43,8 +43,10 @@ class StreamEntriesController < ApplicationController
   end
 
   def set_stream_entry
-    @stream_entry = @account.stream_entries.where(hidden: false).find(params[:id])
+    @stream_entry = @account.stream_entries.find(params[:id])
     @type         = @stream_entry.activity_type.downcase
+
+    raise ActiveRecord::RecordNotFound if @stream_entry.hidden? && (@stream_entry.activity_type != 'Status' || (@stream_entry.activity_type == 'Status' && !@stream_entry.activity.permitted?(current_account)))
   end
 
   def check_account_suspension

app/controllers/xrd_controller.rb

@@ -13,7 +13,7 @@ class XrdController < ApplicationController
   end
 
   def webfinger
-    @account = Account.find_local!(username_from_resource)
+    @account = Account.where(locked: false).find_local!(username_from_resource)
     @canonical_account_uri = "acct:#{@account.username}@#{Rails.configuration.x.local_domain}"
     @magic_key = pem_to_magic_key(@account.keypair.public_key)