From e2c0962077cf759b23639276cca42606ea2135ec Mon Sep 17 00:00:00 2001
From: Azul <azul@leap.se>
Date: Thu, 7 Nov 2013 23:27:27 +0100
Subject: Token.destroy_all_expired to cleanup expired tokens (#4411)

---
 users/app/models/token.rb     | 35 ++++++++++++++++++++++++-----------
 users/test/unit/token_test.rb | 15 +++++++++++++++
 2 files changed, 39 insertions(+), 11 deletions(-)

(limited to 'users')

diff --git a/users/app/models/token.rb b/users/app/models/token.rb
index dd87344..bf9b0d0 100644
--- a/users/app/models/token.rb
+++ b/users/app/models/token.rb
@@ -11,6 +11,24 @@ 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
+    self.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 +45,16 @@ 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/unit/token_test.rb b/users/test/unit/token_test.rb
index f56c576..445a20c 100644
--- a/users/test/unit/token_test.rb
+++ b/users/test/unit/token_test.rb
@@ -61,6 +61,21 @@ class ClientCertificateTest < ActiveSupport::TestCase
     end
   end
 
+  test "Token.destroy_all_expired cleans up expired tokens only" do
+    expired = Token.new(user_id: @user.id)
+    expired.last_seen_at = 2.hours.ago
+    expired.save
+    fresh = Token.new(user_id: @user.id)
+    fresh.save
+    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
-- 
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