func hasRootAccess(sec *auth.Store, r *http.Request) bool {
if sec == nil {
// No store means no auth available, eg, tests.
return true
}
if !sec.AuthEnabled() {
return true
}
username, password, ok := netutil.BasicAuth(r)
if !ok {
return false
}
rootUser, err := sec.GetUser(username)
if err != nil {
return false
}
ok = rootUser.CheckPassword(password)
if !ok {
plog.Warningf("auth: wrong password for user %s", username)
return false
}
for _, role := range rootUser.Roles {
if role == auth.RootRoleName {
return true
}
}
plog.Warningf("auth: user %s does not have the %s role for resource %s.", username, auth.RootRoleName, r.URL.Path)
return false
}
func userFromClientCertificate(sec auth.Store, r *http.Request) *auth.User {
if r.TLS == nil {
return nil
}
for _, chains := range r.TLS.VerifiedChains {
for _, chain := range chains {
plog.Debugf("auth: found common name %s.\n", chain.Subject.CommonName)
user, err := sec.GetUser(chain.Subject.CommonName)
if err == nil {
plog.Debugf("auth: authenticated user %s by cert common name.", user.User)
return &user
}
}
}
return nil
}
func userFromBasicAuth(sec auth.Store, r *http.Request) *auth.User {
username, password, ok := r.BasicAuth()
if !ok {
plog.Warningf("auth: malformed basic auth encoding")
return nil
}
user, err := sec.GetUser(username)
if err != nil {
return nil
}
ok = sec.CheckPassword(user, password)
if !ok {
plog.Warningf("auth: incorrect password for user: %s", username)
return nil
}
return &user
}
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
}