Merge pull request sprinkle-tool#86 from fetch/permission-verifiers

Permission verifiers

lib/sprinkle/verifiers/permission.rb

@@ -0,0 +1,40 @@
+module Sprinkle
+  module Verifiers
+    # = Permission and ownership Verifier
+    #
+    # Contains a verifier to check the permissions and ownership of a file or directory.
+    # 
+    # == Example Usage
+    #
+    #   verify { has_permission '/etc/apache2/apache2.conf', 0644 }
+    #
+    #   verify { belongs_to_user '/etc/apache2/apache2.conf', 'noop' }
+    #
+    #   verify { belongs_to_user '/etc/apache2/apache2.conf', 1000 }
+    #
+    module Permission
+      Sprinkle::Verify.register(Sprinkle::Verifiers::Permission)
+
+      def has_permission(path, permission)
+        @commands << "find #{path} -maxdepth 0 -perm #{permission} | egrep '.*'"
+      end
+
+      def belongs_to_user(path, user)
+        if user.is_a?(Integer)
+          @commands << "find #{path} -maxdepth 0 -uid #{user} | egrep '.*'"
+        else
+          @commands << "find #{path} -maxdepth 0 -user #{user} | egrep '.*'"
+        end
+      end
+
+      def belongs_to_group(path, group)
+        if group.is_a?(Integer)
+          @commands << "find #{path} -maxdepth 0 -gid #{group} | egrep '.*'"
+        else
+          @commands << "find #{path} -maxdepth 0 -group #{group} | egrep '.*'"
+        end
+      end
+
+    end
+  end
+end