3 files changed, 48 insertions, 15 deletions
diff --git a/users/app/models/token.rb b/users/app/models/token.rb
index dd87344..001eb40 100644
--- a/users/app/models/token.rb
+++ b/users/app/models/token.rb
@@ -11,6 +11,25 @@ class Token < CouchRest::Model::Base
 
   validates :user_id, presence: true
 
+  design do
+    view :by_last_seen_at
+  end
+
+  def self.expires_after
+    APP_CONFIG[:auth] && APP_CONFIG[:auth][:token_expires_after]
+  end
+
+  def self.expired
+    return [] unless expires_after
+    by_last_seen_at.endkey(expires_after.minutes.ago)
+  end
+
+  def self.destroy_all_expired
+    self.expired.each do |token|
+      token.destroy
+    end
+  end
+
   def authenticate
     if expired?
       destroy
@@ -27,21 +46,16 @@ class Token < CouchRest::Model::Base
   end
 
   def expired?
-    expires_after and
-    last_seen_at + expires_after.minutes < Time.now
-  end
-
-  def expires_after
-    APP_CONFIG[:auth] && APP_CONFIG[:auth][:token_expires_after]
+    Token.expires_after and
+    last_seen_at < Token.expires_after.minutes.ago
   end
 
   def initialize(*args)
     super
-    self.id = SecureRandom.urlsafe_base64(32).gsub(/^_*/, '')
-    self.last_seen_at = Time.now
-  end
-
-  design do
+    if new_record?
+      self.id = SecureRandom.urlsafe_base64(32).gsub(/^_*/, '')
+      self.last_seen_at = Time.now
+    end
   end
 end
 
diff --git a/users/test/factories.rb b/users/test/factories.rb
index c87e290..f5fb77d 100644
--- a/users/test/factories.rb
+++ b/users/test/factories.rb
@@ -19,6 +19,8 @@ FactoryGirl.define do
     end
   end
 
-  factory :token
+  factory :token do
+    user
+  end
 
 end
diff --git a/users/test/unit/token_test.rb b/users/test/unit/token_test.rb
index f56c576..6c9f209 100644
--- a/users/test/unit/token_test.rb
+++ b/users/test/unit/token_test.rb
@@ -7,9 +7,6 @@ class ClientCertificateTest < ActiveSupport::TestCase
     @user = find_record :user
   end
 
-  teardown do
-  end
-
   test "new token for user" do
     sample = Token.new(:user_id => @user.id)
     assert sample.valid?
@@ -61,6 +58,26 @@ class ClientCertificateTest < ActiveSupport::TestCase
     end
   end
 
+  test "Token.destroy_all_expired is noop if no expiry is set" do
+    expired = FactoryGirl.create :token, last_seen_at: 2.hours.ago
+    with_config auth: {} do
+      Token.destroy_all_expired
+    end
+    assert_equal expired, Token.find(expired.id)
+  end
+
+  test "Token.destroy_all_expired cleans up expired tokens only" do
+    expired = FactoryGirl.create :token, last_seen_at: 2.hours.ago
+    fresh = FactoryGirl.create :token
+    with_config auth: {token_expires_after: 60} do
+      Token.destroy_all_expired
+    end
+    assert_nil Token.find(expired.id)
+    assert_equal fresh, Token.find(fresh.id)
+    fresh.destroy
+  end
+
+
 
 
 end