Cookies 101
Sean Vaccariello
www.TheSecureBox.com Cookies are a very useful; they can store usernames/password, preferences, last visits, etc. I will focus on storing information a user may type in at a typical website. So let’s get started… First we will create a standard form that will contain a name, e-mail, and country. The code for this is as follows: <form method="POST" action="process.asp">
<p>Name: <input type="text" name="name" size="20"></p>
<p>E-mail: <input type="text" name="email" size="20"></p>
<p>Country: <input type="text" name="country" size="20"></p>
<p><input type="submit" value="Submit" name="B1">
<input type="reset" value="Reset" name="B2"></p>
</form> |
*Note – this will post the information to an asp page called “process.asp”, you can change this to point anywhere you want.
Next we will need to create the “process.asp” page. This page will use the Request object to get the information that the user submitted. We will start off by declaring all of our variables like so: <% Dim reqName
Dim reqEmail
Dim reqCountry |
Then we’ll start requesting the form inputs: reqName = Request.Form("name")
reqEmail = Request.Form("email")
reqCountry = Request.Form("country") |
And now for the main part, this is where the server puts the cookie(s) on the client’s machine. Response.Cookies("pref")("name") = reqName
Response.Cookies("pref")("email") = reqEmail
Response.Cookies("pref")("country") = reqCountry
Response.Cookies("pref").Expires = Now + 365 |
This will store the users name, e-mail, and country in the “pref” cookie on the computer. We also used the “expires” method to expire the cookie 365 days from the time the cookie was put on the computer; you can change this to anything you want. *Note – if you want the cookie to expire immediately then you can do something like this: Response.Cookies("pref").Expires = Now – 1000 %> |
And lastly we want to display the cookie using the request object like so: <html>
<head>
<title>Cookies 101</title>
</head>
<body> Name: <%= Request.Cookies("pref")("name") %>
<BR>
E-Mail: <%= Request.Cookies("pref")("email") %>
<BR>
Country: <%= Request.Cookies("pref")("country") %> <![endif]>
</body>
</html> |
And that’s it! |
| DISCLAIMER: The content provided in this article is not warranted or guaranteed by Developer Shed, Inc. The content provided is intended for entertainment and/or educational purposes in order to introduce to the reader key ideas, concepts, and/or product reviews. As such it is incumbent upon the reader to employ real-world tactics for security and implementation of best practices. We are not liable for any negative consequences that may result from implementing any information covered in our articles or tutorials. If this is a hardware review, it is not recommended to open and/or modify your hardware. |
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