[JBoss JIRA] Updated: (NETTY-255) Make CookieDecoder more robust

[Trustin Lee (JIRA)]

     [ https://jira.jboss.org/jira/browse/NETTY-255?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Trustin Lee updated NETTY-255:
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    JBoss Forum Reference: http://n2.nabble.com/CookieDecoder-issues-with-Google-Analytics-tp4018428p4018428.html


> Make CookieDecoder more robust
> ------------------------------
>
>                 Key: NETTY-255
>                 URL: https://jira.jboss.org/jira/browse/NETTY-255
>             Project: Netty
>          Issue Type: Feature Request
>          Components: Handler
>            Reporter: Trustin Lee
>            Assignee: Trustin Lee
>             Fix For: 3.2.0.ALPHA2
>
>
> The following Google Analytics cookie violates the RFC, but it should be decoded without an error:
>         String source =
>             "ARPT=LWUKQPSWRTUN04CKKJI; " +
>             "kw-2E343B92-B097-442c-BFA5-BE371E0325A2=unfinished furniture; " +
>             "__utma=48461872.1094088325.1258140131.1258140131.1258140131.1; " +
>             "__utmb=48461872.13.10.1258140131; __utmc=48461872; " +
>             "__utmz=48461872.1258140131.1.1.utmcsr=overstock.com|utmccn=(referral)|" +
>             "utmcmd=referral|utmcct=/Home-Garden/Furniture/Clearance,/clearance,/32/dept.html";
> What's causing the problem is the comma (,) in the "__utmz" attribute.  According to the relevant RFCs, the cookie value should not contain a comma or should be quoted.  CookieDecoder considers comma as an attribute separator unless it appears as a part of a quoted string.  Hence "/clearance,/32/dept.html" becomes an orphan.
> CookieDecoder could become more robust if it does not recognize commas and semicolons as attribute separators if it's impossible to decode the next entry.

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