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authormultiple creatures <dev@multiple-creature.party>2019-08-04 02:05:27 -0500
committermultiple creatures <dev@multiple-creature.party>2019-08-04 02:05:27 -0500
commit4e3d546f6110e0a80500a52b9f96f465018fe5e2 (patch)
treeaeac302d011d2932113554a6a2dedcac2194a696 /config
parentf46293f6d9420840749dc7db0c422d7a2b1ed28e (diff)
update `rack_attack` config from `glitch-soc`
Diffstat (limited to 'config')
-rw-r--r--config/initializers/rack_attack.rb29
1 files changed, 23 insertions, 6 deletions
diff --git a/config/initializers/rack_attack.rb b/config/initializers/rack_attack.rb
index ae3eede66..24ba16ae3 100644
--- a/config/initializers/rack_attack.rb
+++ b/config/initializers/rack_attack.rb
@@ -13,6 +13,10 @@ class Rack::Attack
       )
     end
 
+    def remote_ip
+      @remote_ip ||= (@env["action_dispatch.remote_ip"] || ip).to_s
+    end
+
     def authenticated_user_id
       authenticated_token&.resource_owner_id
     end
@@ -28,6 +32,10 @@ class Rack::Attack
     def web_request?
       !api_request?
     end
+
+    def paging_request?
+      params['page'].present? || params['min_id'].present? || params['max_id'].present? || params['since_id'].present?
+    end
   end
 
   PROTECTED_PATHS = %w(
@@ -42,15 +50,15 @@ class Rack::Attack
   # (blocklist & throttles are skipped)
   Rack::Attack.safelist('allow from localhost') do |req|
     # Requests are allowed if the return value is truthy
-    req.ip == '127.0.0.1' || req.ip == '::1'
+    req.remote_ip == '127.0.0.1' || req.remote_ip == '::1'
   end
 
   throttle('throttle_authenticated_api', limit: 300, period: 5.minutes) do |req|
     req.authenticated_user_id if req.api_request?
   end
 
-  throttle('throttle_unauthenticated_api', limit: 7_500, period: 5.minutes) do |req|
-    req.ip if req.api_request?
+  throttle('throttle_unauthenticated_api', limit: 300, period: 5.minutes) do |req|
+    req.remote_ip if req.api_request? && req.unauthenticated?
   end
 
   throttle('throttle_api_media', limit: 30, period: 30.minutes) do |req|
@@ -58,11 +66,20 @@ class Rack::Attack
   end
 
   throttle('throttle_media_proxy', limit: 30, period: 30.minutes) do |req|
-    req.ip if req.path.start_with?('/media_proxy')
+    req.remote_ip if req.path.start_with?('/media_proxy')
   end
 
   throttle('throttle_api_sign_up', limit: 5, period: 30.minutes) do |req|
-    req.ip if req.post? && req.path == '/api/v1/accounts'
+    req.remote_ip if req.post? && req.path == '/api/v1/accounts'
+  end
+
+  # Throttle paging, as it is mainly used for public pages and AP collections
+  throttle('throttle_authenticated_paging', limit: 300, period: 15.minutes) do |req|
+    req.authenticated_user_id if req.paging_request?
+  end
+
+  throttle('throttle_unauthenticated_paging', limit: 300, period: 15.minutes) do |req|
+    req.remote_ip if req.paging_request? && req.unauthenticated?
   end
 
   API_DELETE_REBLOG_REGEX = /\A\/api\/v1\/statuses\/[\d]+\/unreblog/.freeze
@@ -73,7 +90,7 @@ class Rack::Attack
   end
 
   throttle('protected_paths', limit: 25, period: 5.minutes) do |req|
-    req.ip if req.post? && req.path =~ PROTECTED_PATHS_REGEX
+    req.remote_ip if req.post? && req.path =~ PROTECTED_PATHS_REGEX
   end
 
   self.throttled_response = lambda do |env|