mongostore

An implementation of Store using Gorilla web toolkit and the MongoDB Go Driver

Packages Imported

• Gorilla web tookit github.com/gorilla
• MongoDB Go Driver github.com/mongodb/mongo-go-driver

Installation

The recommended way to get started using github.com/go-stuff/mongostore is by using 'go get' to install the dependency in your project.

go get "github.com/go-stuff/mongostore"

Usage

The github.com/go-stuff/web repository uses github.com/go-stuff/mongostore you can browse this example code to see how it is used.

import "github.com/go-stuff/mongostore"

// create a session store using rotating keys
mongoStore, err := mongostore.NewStore(
    client.Database(DatabaseName).Collection("sessions"),
    http.Cookie{
        Path:     "/",
        Domain:   "",
        MaxAge:   20 * 60, // 20 mins
        Secure:   false,
        HttpOnly: true,
        SameSite: http.SameSiteStrictMode,
    },
    []byte("new-authentication-key"),
    []byte("new-encryption-key"),
    []byte("old-authentication-key"),
    []byte("old-encryption-key"),
)
if err != nil {
    return fmt.Errorf("[ERROR] creating mongo store: %w", err)
}

const CookieName = "session-id"

// new sessions
session, err := s.Store.New(r, CookieName)
if err != nil {
    log.Printf("[ERROR] new session: %s", err.Error())
    http.Error(w, err.Error(), http.StatusInternalServerError)
    return
}

// add values to the session
session.Values["username"] = r.FormValue("username")

// save session
err = session.Save(r, w)
if err != nil {
    log.Printf("[ERROR] saving session: %s", err.Error())
    http.Error(w, err.Error(), http.StatusInternalServerError)
    return
}

const CookieName = "session-id"

// existing sessions
session, err := s.Store.Get(r, CookieName)
if err != nil {
    log.Printf("[ERROR] getting session: %s", err.Error())
    http.Error(w, err.Error(), http.StatusInternalServerError)
    return
}

// add values to the session
session.Values["username"] = r.FormValue("username")

// save session
err = session.Save(r, w)
if err != nil {
    log.Printf("[ERROR] saving session: %s", err.Error())
    http.Error(w, err.Error(), http.StatusInternalServerError)
    return
}

Example MongoDB Entries

> db.sessions.find().pretty()
{
	"_id" : ObjectId("5db388c21256d9f65e6ccf7e"),
	"data" : {
		"username" : "test"
	},
	"modified_at" : ISODate("2019-10-25T23:44:03.558Z"),
	"expires_at" : ISODate("2019-10-26T00:04:03.558Z"),
	"ttl" : ISODate("2019-10-25T23:44:03.558Z")
}
{
	"_id" : ObjectId("5db388cb1256d9f65e6ccf7f"),
	"data" : {
		"username" : "user1"
	},
	"modified_at" : ISODate("2019-10-25T23:44:11.485Z"),
	"expires_at" : ISODate("2019-10-26T00:04:11.485Z"),
	"ttl" : ISODate("2019-10-25T23:44:11.485Z")
}

License

MIT License