utils

func CanConnect ¶

func CanConnect(e *etcd.Client, sshkey string) (user string, allowed bool)

CanConnect checks a given SSH key against the list of authorized users in etcd to check if a user with a given key is allowed to connect. It takes in an active etcd.Client struct pointer and the ssh key to test and returns a username and boolean representing if they are allowed to connect.

func FPAddColons ¶

func FPAddColons(s string) (r string)

addColons adds colons every second character in a string to make the formatting of a public key fingerprint match the common standard:

dd3bb82e850406e9abffa80ac0046ed6

becomes

dd:3b:b8:2e:85:04:06:e9:ab:ff:a8:0a:c0:04:6e:d6

func GetFingerprint ¶

func GetFingerprint(key string) string

getFingerprint takes an SSH key in and returns the fingerprint (an MD5 sum) and adds the needed colons to it.

func HashPassword ¶

func HashPassword(password, salt []byte) []byte

HashPassword hashes a password with pbkdf2. This is probably good enough.

func Reply ¶

func Reply(r *render.Render, w http.ResponseWriter, message string, code int, data ...interface{})

Reply takes in a render instance, an http responsewriter, a message string, http status code and additional data to return to the user. This needs a "return" call after being run.