Drop handling of client-provided channel identifiers (#23)

.github/workflows/test.yml

@@ -10,7 +10,7 @@ on:
 
 jobs:
   test:
-    name: "GraphQL-Ruby ${{ matrix.graphql }} AnyCable ${{ matrix.anycable }} on Ruby ${{ matrix.ruby }} (use_client_id: ${{ matrix.client_id }}) Redis ${{ matrix.redis_version }}"
+    name: "GraphQL-Ruby ${{ matrix.graphql }} AnyCable ${{ matrix.anycable }} on Ruby ${{ matrix.ruby }} Redis ${{ matrix.redis_version }}"
     # Skip running tests for local pull requests (use push event instead), run only for foreign ones
     if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.owner.login != github.event.pull_request.base.repo.owner.login
     runs-on: ubuntu-latest
@@ -20,17 +20,14 @@ jobs:
         include:
           - ruby: "3.3"
             graphql: '~> 2.3'
-            client_id: 'false'
             anycable: '~> 1.5'
             redis_version: latest
           - ruby: "3.2"
             graphql: '~> 2.2.0'
-            client_id: 'false'
             anycable: '~> 1.4.0'
             redis_version: '7.2'
           - ruby: "3.1"
             graphql: '~> 2.0.0'
-            client_id: 'false'
             anycable: '~> 1.3.0'
             redis_version: '6.2'
     env:

CHANGELOG.md

@@ -9,6 +9,11 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ### Removed
 
+- Handling of client-provided channel identifiers. **BREAKING CHANGE**
+
+  Please make sure that you have changed your channel `disconnected` method to pass channel instance to GraphQL-AnyCable's `delete_channel_subscriptions` method.
+  See [release notes for version 1.1.0](https://github.com/anycable/graphql-anycable/releases/tag/v1.1.0) for details.
+
 - Handling of pre-1.0 subscriptions data.
 
   If you're still using version 0.5 or below, please upgrade to 1.0 or 1.1 first with `handle_legacy_subscriptions` setting enabled.

README.md

@@ -140,7 +140,6 @@ GraphQL-AnyCable uses [anyway_config] to configure itself. There are several pos
     ```.env
     GRAPHQL_ANYCABLE_SUBSCRIPTION_EXPIRATION_SECONDS=604800
     GRAPHQL_ANYCABLE_USE_REDIS_OBJECT_ON_CLEANUP=true
-    GRAPHQL_ANYCABLE_USE_CLIENT_PROVIDED_UNIQ_ID=false
     GRAPHQL_ANYCABLE_REDIS_PREFIX=graphql
     ```
 
@@ -151,7 +150,6 @@ GraphQL-AnyCable uses [anyway_config] to configure itself. There are several pos
     production:
       subscription_expiration_seconds: 300 # 5 minutes
       use_redis_object_on_cleanup: false # For restricted redis installations
-      use_client_provided_uniq_id: false # To avoid problems with non-uniqueness of Apollo channel identifiers
       redis_prefix: graphql # You can configure redis_prefix for anycable-graphql subscription prefixes. Default value "graphql"
     ```
 
@@ -232,7 +230,7 @@ As in AnyCable there is no place to store subscription data in-memory, it should
     }
     ```
 
- 4. Channel subscriptions: `graphql-channel:#{channel_id}` set containing identifiers for subscriptions created in ActionCable channel to delete them on client disconnect.
+ 4. Channel subscriptions: `graphql-channel:#{subscription_id}` set containing identifiers for subscriptions created in ActionCable channel to delete them on client disconnect.
 
     ```
     SMEMBERS graphql-channel:17420c6ed9e

lib/graphql-anycable.rb

@@ -12,12 +12,6 @@
 module GraphQL
   module AnyCable
     def self.use(schema, **options)
-      if config.use_client_provided_uniq_id?
-        warn "[Deprecated] Using client provided channel uniq IDs could lead to unexpected behaviour, " \
-             "please, set GraphQL::AnyCable.config.use_client_provided_uniq_id = false or GRAPHQL_ANYCABLE_USE_CLIENT_PROVIDED_UNIQ_ID=false, " \
-             "and update the `#unsubscribed` callback code according to the latest docs."
-      end
-
       schema.use GraphQL::Subscriptions::AnyCableSubscriptions, **options
     end
 

lib/graphql/anycable/config.rb

@@ -10,7 +10,6 @@ class Config < Anyway::Config
 
       attr_config subscription_expiration_seconds: nil
       attr_config use_redis_object_on_cleanup: true
-      attr_config use_client_provided_uniq_id: true
       attr_config redis_prefix: "graphql" # Here, we set clear redis_prefix without any hyphen. The hyphen is added at the end of this value on our side.
     end
   end

lib/graphql/subscriptions/anycable_subscriptions.rb

@@ -126,11 +126,8 @@ def write_subscription(query, events)
 
         raise GraphQL::AnyCable::ChannelConfigurationError unless channel
 
-        channel_uniq_id = config.use_client_provided_uniq_id? ? channel.params["channelId"] : subscription_id
-
         # Store subscription_id in the channel state to cleanup on disconnect
-        write_subscription_id(channel, channel_uniq_id)
-
+        write_subscription_id(channel, subscription_id)
 
         events.each do |event|
           channel.stream_from(redis_key(SUBSCRIPTIONS_PREFIX) + event.fingerprint)
@@ -145,14 +142,14 @@ def write_subscription(query, events)
         }
 
         redis.multi do |pipeline|
-          pipeline.sadd(redis_key(CHANNEL_PREFIX) + channel_uniq_id, [subscription_id])
+          pipeline.sadd(redis_key(CHANNEL_PREFIX) + subscription_id, [subscription_id])
           pipeline.mapped_hmset(redis_key(SUBSCRIPTION_PREFIX) + subscription_id, data)
           events.each do |event|
             pipeline.zincrby(redis_key(FINGERPRINTS_PREFIX) + event.topic, 1, event.fingerprint)
             pipeline.sadd(redis_key(SUBSCRIPTIONS_PREFIX) + event.fingerprint, [subscription_id])
           end
           next unless config.subscription_expiration_seconds
-          pipeline.expire(redis_key(CHANNEL_PREFIX) + channel_uniq_id, config.subscription_expiration_seconds)
+          pipeline.expire(redis_key(CHANNEL_PREFIX) + subscription_id, config.subscription_expiration_seconds)
           pipeline.expire(redis_key(SUBSCRIPTION_PREFIX) + subscription_id, config.subscription_expiration_seconds)
         end
       end
@@ -193,9 +190,10 @@ def delete_subscription(subscription_id)
       end
 
       # The channel was closed, forget about it and its subscriptions
-      def delete_channel_subscriptions(channel_or_id)
-        # For backward compatibility
-        channel_id = channel_or_id.is_a?(String) ? channel_or_id : read_subscription_id(channel_or_id)
+      def delete_channel_subscriptions(channel)
+        raise(ArgumentError, "Please pass channel instance to #{__method__} in your #unsubscribed method") if channel.is_a?(String)
+
+        channel_id = read_subscription_id(channel)
 
         # Missing in case disconnect happens before #execute
         return unless channel_id

spec/graphql/anycable_spec.rb

@@ -113,12 +113,6 @@
 
   describe ".delete_channel_subscriptions" do
     context "with default config.redis-prefix" do
-      around do |ex|
-        GraphQL::AnyCable.config.use_client_provided_uniq_id = false
-        ex.run
-        GraphQL::AnyCable.config.use_client_provided_uniq_id = false
-      end
-
       before do
         AnycableSchema.execute(
           query: query,
@@ -148,12 +142,10 @@
     context "with different config.redis-prefix" do
       around do |ex|
         old_redis_prefix = GraphQL::AnyCable.config.redis_prefix
-        GraphQL::AnyCable.config.use_client_provided_uniq_id = false
         GraphQL::AnyCable.config.redis_prefix = "graphql-test"
 
         ex.run
 
-        GraphQL::AnyCable.config.use_client_provided_uniq_id = false
         GraphQL::AnyCable.config.redis_prefix = old_redis_prefix
       end
 
@@ -184,41 +176,6 @@
     end
   end
 
-  describe "legacy .delete_channel_subscriptions" do
-    before do
-      GraphQL::AnyCable.config.use_client_provided_uniq_id = true
-    end
-
-    before do
-      AnycableSchema.execute(
-        query: query,
-        context: { channel: channel, subscription_id: subscription_id },
-        variables: {},
-        operation_name: "SomeSubscription",
-      )
-    end
-
-    after do
-      GraphQL::AnyCable.config.use_client_provided_uniq_id = false
-    end
-
-    let(:redis) { AnycableSchema.subscriptions.redis }
-
-    subject do
-      AnycableSchema.subscriptions.delete_channel_subscriptions(channel.id)
-    end
-
-    it "removes subscription from redis" do
-      expect(redis.exists?("graphql-subscription:some-truly-random-number")).to be true
-      expect(redis.exists?("graphql-channel:legacy_id")).to be true
-      expect(redis.exists?("graphql-fingerprints::productUpdated:")).to be true
-      subject
-      expect(redis.exists?("graphql-channel:legacy_id")).to be false
-      expect(redis.exists?("graphql-fingerprints::productUpdated:")).to be false
-      expect(redis.exists?("graphql-subscription:some-truly-random-number")).to be false
-    end
-  end
-
   describe "with missing channel instance in execution context" do
     subject do
       AnycableSchema.execute(

spec/graphql/broadcast_spec.rb

@@ -30,7 +30,6 @@ def subscribe(query)
 
   before do
     allow(channel).to receive(:stream_from)
-    allow(channel).to receive(:params).and_return("channelId" => "ohmycables")
     allow(anycable).to receive(:broadcast)
   end
 

spec/integration_helper.rb

@@ -10,8 +10,7 @@
   let(:schema) { nil }
   let(:identifiers) { {current_user: "john", schema: schema.to_s} }
   let(:channel_class) { "GraphqlChannel" }
-  let(:channel_params) { {channelId: rand(1000).to_s} }
-  let(:channel_identifier) { {channel: channel_class}.merge(channel_params) }
+  let(:channel_identifier) { {channel: channel_class} }
   let(:channel_id) { channel_identifier.to_json }
 
   let(:handler) { AnyCable::RPC::Handler.new }

spec/integrations/broadcastable_subscriptions_spec.rb

@@ -42,17 +42,15 @@
 
       stream_name = subject.streams.first
 
-      # update request context and channelId
+      # update request context
       request.connection_identifiers = identifiers.merge(current_user: "alice").to_json
-      request.identifier = channel_identifier.merge(channelId: rand(1000).to_s).to_json
 
       response = handler.handle(:command, request)
       expect(response).to be_success
       expect(response.streams).to eq([stream_name])
 
       # now update the query param
       request.data = data.merge(variables: {id: "b"}).to_json
-      request.identifier = channel_identifier.merge(channelId: rand(1000).to_s).to_json
 
       response = handler.handle(:command, request)
       expect(response).to be_success
@@ -114,9 +112,8 @@
 
       request_2 = request.dup
 
-      # update request context and channelId
+      # update request context
       request_2.connection_identifiers = identifiers.merge(current_user: "alice").to_json
-      request_2.identifier = channel_identifier.merge(channelId: rand(1000).to_s).to_json
 
       response_2 = handler.handle(:command, request_2)
 
@@ -157,47 +154,6 @@
       expect(AnyCable.broadcast_adapter).to have_received(:broadcast).twice
     end
 
-    context "with similar ChannelId and not using ID from client" do
-      let(:config) { GraphQL::AnyCable.config }
-
-      around do |ex|
-        config.use_client_provided_uniq_id.tap do |was_val|
-          config.use_client_provided_uniq_id = false
-          ex.run
-          config.use_client_provided_uniq_id = was_val
-        end
-      end
-
-      specify "creates an entry for each subscription" do
-        # first, subscribe to obtain the connection state
-        subscribe_response = handler.handle(:command, request)
-        expect(subscribe_response).to be_success
-
-        expect(redis.keys("graphql-subscription:*").size).to eq(1)
-        expect(redis.keys("graphql-subscriptions:*").size).to eq(1)
-
-        # update request context
-        request.connection_identifiers = identifiers.merge(current_user: "alice").to_json
-
-        response = handler.handle(:command, request)
-
-        expect(redis.keys("graphql-subscription:*").size).to eq(2)
-        expect(redis.keys("graphql-subscriptions:*").size).to eq(1)
-
-        istate = response.istate
-
-        request.command = "unsubscribe"
-        request.data = ""
-        request.istate = istate
-
-        response = handler.handle(:command, request)
-        expect(response).to be_success
-
-        expect(redis.keys("graphql-subscription:*").size).to eq(1)
-        expect(redis.keys("graphql-subscriptions:*").size).to eq(1)
-      end
-    end
-
     context "without subscription" do
       let(:data) { nil }
       let(:command) { "unsubscribe" }

spec/integrations/per_client_subscriptions_spec.rb

@@ -43,9 +43,6 @@
 
       all_streams = Set.new(subject.streams)
 
-      # update request channelId
-      request.identifier = channel_identifier.merge(channelId: rand(1000).to_s).to_json
-
       response = handler.handle(:command, request)
       expect(response).to be_success
       expect(response.streams.size).to eq 1
@@ -55,7 +52,6 @@
 
       # now update the query param
       request.data = data.merge(variables: {id: "b"}).to_json
-      request.identifier = channel_identifier.merge(channelId: rand(1000).to_s).to_json
 
       response = handler.handle(:command, request)
       expect(response).to be_success
@@ -98,9 +94,8 @@
 
       request_2 = request.dup
 
-      # update request context and channelId
+      # update request context
       request_2.connection_identifiers = identifiers.merge(current_user: "alice").to_json
-      request_2.identifier = channel_identifier.merge(channelId: rand(1000).to_s).to_json
 
       response_2 = handler.handle(:command, request_2)
 
@@ -141,47 +136,6 @@
       expect(AnyCable.broadcast_adapter).to have_received(:broadcast).thrice
     end
 
-    context "with similar ChannelId and not using ID from client" do
-      let(:config) { GraphQL::AnyCable.config }
-
-      around do |ex|
-        config.use_client_provided_uniq_id.tap do |was_val|
-          config.use_client_provided_uniq_id = false
-          ex.run
-          config.use_client_provided_uniq_id = was_val
-        end
-      end
-
-      specify "creates an entry for each subscription" do
-        # first, subscribe to obtain the connection state
-        subscribe_response = handler.handle(:command, request)
-        expect(subscribe_response).to be_success
-
-        expect(redis.keys("graphql-subscription:*").size).to eq(1)
-        expect(redis.keys("graphql-subscriptions:*").size).to eq(1)
-
-        # update request context
-        request.connection_identifiers = identifiers.merge(current_user: "alice").to_json
-
-        response = handler.handle(:command, request)
-
-        expect(redis.keys("graphql-subscription:*").size).to eq(2)
-        expect(redis.keys("graphql-subscriptions:*").size).to eq(2)
-
-        istate = response.istate
-
-        request.command = "unsubscribe"
-        request.data = ""
-        request.istate = istate
-
-        response = handler.handle(:command, request)
-        expect(response).to be_success
-
-        expect(redis.keys("graphql-subscription:*").size).to eq(1)
-        expect(redis.keys("graphql-subscriptions:*").size).to eq(1)
-      end
-    end
-
     context "without subscription" do
       let(:data) { nil }
       let(:command) { "unsubscribe" }

spec/integrations/rails_spec.rb

@@ -120,9 +120,8 @@ def context
 
     request_2 = request.dup
 
-    # update request context and channelId
+    # update request context
     request_2.connection_identifiers = identifiers.merge(current_user: "alice").to_json
-    request_2.identifier = channel_identifier.merge(channelId: rand(1000).to_s).to_json
 
     response_2 = handler.handle(:command, request_2)
 

spec/spec_helper.rb

@@ -1,7 +1,5 @@
 # frozen_string_literal: true
 
-ENV["GRAPHQL_ANYCABLE_USE_CLIENT_PROVIDED_UNIQ_ID"] ||= "false"
-
 require "bundler/setup"
 require "graphql/anycable"
 require "pry"