X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/38f4e17865948228cd5f573d49fe2c0c28ef4cbf..252c2f70225595312151bcf77ee7c8f5aac0c831:/vendor/plugins/sql_session_store/lib/sql_session_store.rb

diff --git a/vendor/plugins/sql_session_store/lib/sql_session_store.rb b/vendor/plugins/sql_session_store/lib/sql_session_store.rb
new file mode 100755
index 000000000..8b0ff156f
--- /dev/null
+++ b/vendor/plugins/sql_session_store/lib/sql_session_store.rb
@@ -0,0 +1,116 @@
+require 'active_record'
+require 'cgi'
+require 'cgi/session'
+begin
+  require 'base64'
+rescue LoadError
+end
+
+# +SqlSessionStore+ is a stripped down, optimized for speed version of
+# class +ActiveRecordStore+.
+
+class SqlSessionStore
+
+  # The class to be used for creating, retrieving and updating sessions.
+  # Defaults to SqlSessionStore::Session, which is derived from +ActiveRecord::Base+.
+  #
+  # In order to achieve acceptable performance you should implement
+  # your own session class, similar to the one provided for Myqsl.
+  #
+  # Only functions +find_session+, +create_session+,
+  # +update_session+ and +destroy+ are required. See file +mysql_session.rb+.
+
+  cattr_accessor :session_class
+  @@session_class = SqlSession
+
+  # Create a new SqlSessionStore instance.
+  #
+  # +session+ is the session for which this instance is being created.
+  #
+  # +option+ is currently ignored as no options are recognized.
+
+  def initialize(session, option=nil)
+    if @session = @@session_class.find_session(session.session_id)
+      @data = unmarshalize(@session.data)
+    else
+      @session = @@session_class.create_session(session.session_id, marshalize({}))
+      @data = {}
+    end
+  end
+
+  # Update the database and disassociate the session object
+  def close
+    if @session
+      @session.update_session(marshalize(@data))
+      @session = nil
+    end
+  end
+
+  # Delete the current session, disassociate and destroy session object
+  def delete
+    if @session
+      @session.destroy
+      @session = nil
+    end
+  end
+
+  # Restore session data from the session object
+  def restore
+    if @session
+      @data = unmarshalize(@session.data)
+    end
+  end
+
+  # Save session data in the session object
+  def update
+    if @session
+      @session.update_session(marshalize(@data))
+    end
+  end
+
+  private
+  if defined?(Base64)
+    def unmarshalize(data)
+      Marshal.load(Base64.decode64(data))
+    end
+
+    def marshalize(data)
+      Base64.encode64(Marshal.dump(data))
+    end
+  else
+    def unmarshalize(data)
+      Marshal.load(data.unpack("m").first)
+    end
+
+    def marshalize(data)
+      [Marshal.dump(data)].pack("m")
+    end
+  end
+
+end
+
+__END__
+
+# This software is released under the MIT license
+#
+# Copyright (c) 2005-2008 Stefan Kaes
+
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+