func hasGuestAccess(sec *auth.Store, r *http.Request, key string) bool {
writeAccess := r.Method != "GET" && r.Method != "HEAD"
role, err := sec.GetRole(auth.GuestRoleName)
if err != nil {
return false
}
if role.HasKeyAccess(key, writeAccess) {
return true
}
plog.Warningf("auth: invalid access for unauthenticated user on resource %s.", key)
return false
}
func hasKeyPrefixAccess(sec auth.Store, r *http.Request, key string, recursive bool) bool {
if sec == nil {
// No store means no auth available, eg, tests.
return true
}
if !sec.AuthEnabled() {
return true
}
if r.Header.Get("Authorization") == "" {
plog.Warningf("auth: no authorization provided, checking guest access")
return hasGuestAccess(sec, r, key)
}
username, password, ok := netutil.BasicAuth(r)
if !ok {
plog.Warningf("auth: malformed basic auth encoding")
return false
}
user, err := sec.GetUser(username)
if err != nil {
plog.Warningf("auth: no such user: %s.", username)
return false
}
authAsUser := user.CheckPassword(password)
if !authAsUser {
plog.Warningf("auth: incorrect password for user: %s.", username)
return false
}
writeAccess := r.Method != "GET" && r.Method != "HEAD"
for _, roleName := range user.Roles {
role, err := sec.GetRole(roleName)
if err != nil {
continue
}
if recursive {
if role.HasRecursiveAccess(key, writeAccess) {
return true
}
} else if role.HasKeyAccess(key, writeAccess) {
return true
}
}
plog.Warningf("auth: invalid access for user %s on key %s.", username, key)
return false
}