// InitiateDeviceAuth initiates a device auth flow. It returns a DeviceCode
// that can be used with CheckForUserCompletion or WaitForUserCompletion.
func InitiateDeviceAuth(client *autorest.Client, oauthConfig OAuthConfig, clientID, resource string) (*DeviceCode, error) {
req, _ := autorest.Prepare(
&http.Request{},
autorest.AsPost(),
autorest.AsFormURLEncoded(),
autorest.WithBaseURL(oauthConfig.DeviceCodeEndpoint.String()),
autorest.WithFormData(url.Values{
"client_id": []string{clientID},
"resource": []string{resource},
}),
)
resp, err := client.Send(req)
if err != nil {
return nil, fmt.Errorf("%s %s: %s", logPrefix, errCodeSendingFails, err)
}
var code DeviceCode
err = autorest.Respond(
resp,
autorest.WithErrorUnlessStatusCode(http.StatusOK),
autorest.ByUnmarshallingJSON(&code),
autorest.ByClosing())
if err != nil {
return nil, fmt.Errorf("%s %s: %s", logPrefix, errCodeHandlingFails, err)
}
code.ClientID = clientID
code.Resource = resource
code.OAuthConfig = oauthConfig
return &code, nil
}
func getResourceGroups(client *autorest.Client) (*string, error) {
var p map[string]interface{}
var req *http.Request
p = map[string]interface{}{
"subscription-id": subscriptionID,
}
q := map[string]interface{}{
"api-version": apiVersion,
}
req, _ = autorest.Prepare(&http.Request{},
autorest.AsGet(),
autorest.WithBaseURL(resourceGroupURLTemplate),
autorest.WithPathParameters(p),
autorest.WithQueryParameters(q))
resp, err := client.Send(req, http.StatusOK)
if err != nil {
return nil, err
}
defer resp.Body.Close()
contents, err := ioutil.ReadAll(resp.Body)
if err != nil {
return nil, err
}
contentsString := string(contents)
return &contentsString, nil
}
// CheckForUserCompletion takes a DeviceCode and checks with the Azure AD OAuth endpoint
// to see if the device flow has: been completed, timed out, or otherwise failed
func CheckForUserCompletion(client *autorest.Client, code *DeviceCode) (*Token, error) {
req, _ := autorest.Prepare(
&http.Request{},
autorest.AsPost(),
autorest.AsFormURLEncoded(),
autorest.WithBaseURL(code.OAuthConfig.TokenEndpoint.String()),
autorest.WithFormData(url.Values{
"client_id": []string{code.ClientID},
"code": []string{*code.DeviceCode},
"grant_type": []string{OAuthGrantTypeDeviceCode},
"resource": []string{code.Resource},
}),
)
resp, err := client.Send(req)
if err != nil {
return nil, fmt.Errorf("%s %s: %s", logPrefix, errTokenSendingFails, err)
}
var token deviceToken
err = autorest.Respond(
resp,
autorest.WithErrorUnlessStatusCode(http.StatusOK, http.StatusBadRequest),
autorest.ByUnmarshallingJSON(&token),
autorest.ByClosing())
if err != nil {
return nil, fmt.Errorf("%s %s: %s", logPrefix, errTokenHandlingFails, err)
}
if token.Error == nil {
return &token.Token, nil
}
switch *token.Error {
case "authorization_pending":
return nil, ErrDeviceAuthorizationPending
case "slow_down":
return nil, ErrDeviceSlowDown
case "access_denied":
return nil, ErrDeviceAccessDenied
case "code_expired":
return nil, ErrDeviceCodeExpired
default:
return nil, ErrDeviceGeneric
}
}
