Mask user seats data instead of hashing it

lib/knapsack_pro/client/api/v1/build_distributions.rb

@@ -15,7 +15,7 @@ def subset(args)
                 :node_total => args.fetch(:node_total),
                 :node_index => args.fetch(:node_index),
                 :ci_build_id => KnapsackPro::Config::Env.ci_node_build_id,
-                :user_seat => KnapsackPro::Config::Env.user_seat_hash,
+                :user_seat => KnapsackPro::Config::Env.masked_user_seat,
               }
 
               unless request_hash[:cache_read_attempt]

lib/knapsack_pro/client/api/v1/queues.rb

@@ -16,7 +16,7 @@ def queue(args)
                 :node_total => args.fetch(:node_total),
                 :node_index => args.fetch(:node_index),
                 :node_build_id => KnapsackPro::Config::Env.ci_node_build_id,
-                :user_seat => KnapsackPro::Config::Env.user_seat_hash,
+                :user_seat => KnapsackPro::Config::Env.masked_user_seat,
               }
 
               if request_hash[:can_initialize_queue] && !request_hash[:attempt_connect_to_queue]

lib/knapsack_pro/config/env.rb

@@ -64,9 +64,10 @@ def user_seat
             ci_env_for(:user_seat)
         end
 
-        def user_seat_hash
+        def masked_user_seat
           return unless user_seat
-          Digest::SHA2.hexdigest(user_seat)
+
+          user_seat.gsub(/(?<=\w{2})[a-zA-Z]/, "*")
         end
 
         def test_file_pattern

spec/knapsack_pro/client/api/v1/build_distributions_spec.rb

@@ -6,7 +6,7 @@
     let(:node_total) { double }
     let(:node_index) { double }
     let(:ci_build_id) { double }
-    let(:user_seat_hash) { double }
+    let(:masked_user_seat) { double }
     let(:test_files) { double }
 
     subject do
@@ -23,7 +23,7 @@
     before do
       expect(KnapsackPro::Config::Env).to receive(:fixed_test_suite_split).and_return(fixed_test_suite_split)
       expect(KnapsackPro::Config::Env).to receive(:ci_node_build_id).and_return(ci_build_id)
-      expect(KnapsackPro::Config::Env).to receive(:user_seat_hash).and_return(user_seat_hash)
+      expect(KnapsackPro::Config::Env).to receive(:masked_user_seat).and_return(masked_user_seat)
     end
 
     context 'when cache_read_attempt=true' do
@@ -42,7 +42,7 @@
             node_total: node_total,
             node_index: node_index,
             ci_build_id: ci_build_id,
-            user_seat: user_seat_hash,
+            user_seat: masked_user_seat,
           }
         }).and_return(action)
         expect(subject).to eq action
@@ -65,7 +65,7 @@
             node_total: node_total,
             node_index: node_index,
             ci_build_id: ci_build_id,
-            user_seat: user_seat_hash,
+            user_seat: masked_user_seat,
             test_files: test_files
           }
         }).and_return(action)

spec/knapsack_pro/client/api/v1/queues_spec.rb

@@ -7,7 +7,7 @@
     let(:node_index) { double }
     let(:test_files) { double }
     let(:node_build_id) { double }
-    let(:user_seat_hash) { double }
+    let(:masked_user_seat) { double }
 
     subject do
       described_class.queue(
@@ -24,7 +24,7 @@
     before do
       expect(KnapsackPro::Config::Env).to receive(:fixed_queue_split).and_return(fixed_queue_split)
       expect(KnapsackPro::Config::Env).to receive(:ci_node_build_id).and_return(node_build_id)
-      expect(KnapsackPro::Config::Env).to receive(:user_seat_hash).and_return(user_seat_hash)
+      expect(KnapsackPro::Config::Env).to receive(:masked_user_seat).and_return(masked_user_seat)
     end
 
     context 'when can_initialize_queue=true and attempt_connect_to_queue=true' do
@@ -45,7 +45,7 @@
             node_total: node_total,
             node_index: node_index,
             node_build_id: node_build_id,
-            user_seat: user_seat_hash,
+            user_seat: masked_user_seat,
           }
         }).and_return(action)
         expect(subject).to eq action
@@ -70,7 +70,7 @@
             node_total: node_total,
             node_index: node_index,
             node_build_id: node_build_id,
-            user_seat: user_seat_hash,
+            user_seat: masked_user_seat,
             test_files: test_files
           }
         }).and_return(action)
@@ -96,7 +96,7 @@
             node_total: node_total,
             node_index: node_index,
             node_build_id: node_build_id,
-            user_seat: user_seat_hash,
+            user_seat: masked_user_seat,
           }
         }).and_return(action)
         expect(subject).to eq action

spec/knapsack_pro/config/env_spec.rb

@@ -207,22 +207,26 @@
     end
   end
 
-  describe '.user_seat_hash' do
-    subject { described_class.user_seat_hash }
+  describe '.masked_seat_hash' do
+    subject { described_class.masked_user_seat }
 
     before do
       expect(described_class).to receive(:user_seat).at_least(1).and_return(user_seat)
     end
 
-    context 'when the user seat has a value' do
+    context 'when the user seat is a name' do
       let(:user_seat) { 'John Doe' }
 
-      it 'returns a SHA256 hash for the user seat' do
-        expect(subject).to eq '6cea57c2fb6cbc2a40411135005760f241fffc3e5e67ab99882726431037f908'
-      end
+      it { expect(subject).to eq 'Jo** Do*' }
+    end
+
+    context 'when the user seat is an e-mail' do
+      let(:user_seat) { 'john.doe@example.com' }
+
+      it { expect(subject).to eq 'jo**.do*@ex*****.co*' }
     end
 
-    context 'when the user seat has no value' do
+    context 'when the user seat is nil' do
       let(:user_seat) { nil }
 
       it { expect(subject).to be_nil }