Go: Building Web Applications

Understanding the request

The http.Request object gives us access to every piece of information we might need about the underlying HTTP request, and therefore it is worth glancing through the net/http documentation to really get a feel for its power. Examples include, but are not limited to:

• URL, path and query string
• HTTP method
• Cookies
• Files
• Form values
• Referrer and user agent of requester
• Basic authentication details
• Request body
• Header information

There are a few things it doesn't address, which we need to either solve ourselves or look to an external package to help us with. URL path parsing is one such example—while we can access a path (such as /people/1/books/2) as a string via the http.Request type's URL.Path field, there is no easy way to pull ...