[Rails] How to preserve the session id whether the http request header contains 'Pragma'='no-cache'.

Ruby on Rails Monday, August 3, 2015

The new session id is created when the http request header contains

'Pragma'='no-cache' on our RoR environment. Our goal is that the session

id is preserved if the http request header contains 'Pragma'='no-cache'.

Please let us know how to preserve the session id.

The detailed sequence is shown below:

1. The user downloads the Microsoft World file from RoR application, and

opens that file using 'Protected View'.

2. The user clicks the url link which is written in that Word file. The

clicked url link points to a page which is located on that RoR

application.

3. On opening that url link, the http request header contains

'Pragma'='no-cache', and the new session id is created with the http

response header which contains 'Set-Cookie'.

If the user opens that file not using 'Protected View' on the sequence 1,

the session id is preserved on the sequence 3. The http request header

doesn't contain 'Pragma'='no-cache'.

The our RoR environment is shown below:

Server:

Rails 3.2.14, and ruby 2.0.0p247 on apache 2.2.29, and unicorn 4.6.3

Clients:

Internet Explorer 8, and MicrosoftOffice 2010 on Windows7 64bit.

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