Accessing route in middleware using Gin

Question

I have a user.save route (below) in my Golang API that can be used to create and update a user depending on whether an id was provided in the request object. The route uses the auth middleware which other routes do too.

api.POST("/user.save", auth(), user.Save())
api.POST("/user.somethingElse", auth(), user.SomethingElse())

Here is my middleware:

func auth() gin.HandlerFunc {
    return func(c *gin.Context) {
        //I would like to know here if user.save was the route called
        //do authy stuff
    }
}

I'm thinking that if I can detect in the auth middleware whether the user.save route was called I can then check to see if an id was included and decide whether to continue or return.

I would change my routes to be a little more REST like. something like: POST /users would create a user and PUT /users/{userID} would update the user. Then you could apply the appropriate middleware to each route. — jmaloney
– jmaloney, Commented Dec 23, 2015 at 17:08

Alex Guerra · Accepted Answer · 2015-12-23 19:08:24Z

9

You could check the url from the auth handler. The actual request is on the context, so it's as easy as:

if c.Request.URL.Path == "/user.save" {
    // Do your thing
}

Another solution is to parameterize your auth middleware, something like this:

api.POST("/user.save", auth(true), user.Save())
api.POST("/user.somethingElse", auth(false), user.SomethingElse())

func auth(isUserSave bool) gin.HandlerFunc {
    return func(c *gin.Context) {
        if isUserSave {
            // Do your thing
        }
    }
}

answered Dec 23, 2015 at 19:08

Alex Guerra

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