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oanatmaria
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,234 @@ | ||
| package device | ||
|
|
||
| import ( | ||
| "context" | ||
| "encoding/json" | ||
| "fmt" | ||
| "io" | ||
| "net/http" | ||
| u "net/url" | ||
| "os" | ||
| "strings" | ||
| "time" | ||
|
|
||
| "github.com/aserto-dev/aserto/pkg/auth0/api" | ||
| ) | ||
|
|
||
| type DeviceCodeFlow struct { | ||
| DeviceAuthorizationURL string | ||
| TokenURL string | ||
| ClientID string | ||
| Audience string | ||
| GrantType string | ||
| Scopes []string | ||
| deviceCode *DeviceCode | ||
| accessToken *TokenResponse | ||
| } | ||
|
|
||
| type DeviceCodeOption func(*DeviceCodeFlow) | ||
|
|
||
| func New(opts ...DeviceCodeOption) *DeviceCodeFlow { | ||
| d := &DeviceCodeFlow{} | ||
| for _, opt := range opts { | ||
| opt(d) | ||
| } | ||
| return d | ||
| } | ||
|
|
||
| func WithDeviceAuthorizationURL(url string) DeviceCodeOption { | ||
| return func(i *DeviceCodeFlow) { | ||
| i.DeviceAuthorizationURL = url | ||
| } | ||
| } | ||
|
|
||
| func WithTokenURL(url string) DeviceCodeOption { | ||
| return func(i *DeviceCodeFlow) { | ||
| i.TokenURL = url | ||
| } | ||
| } | ||
|
|
||
| func WithClientID(id string) DeviceCodeOption { | ||
| return func(i *DeviceCodeFlow) { | ||
| i.ClientID = id | ||
| } | ||
| } | ||
|
|
||
| func WithAudience(audience string) DeviceCodeOption { | ||
| return func(i *DeviceCodeFlow) { | ||
| i.Audience = audience | ||
| } | ||
| } | ||
|
|
||
| func WithGrantType(grantType string) DeviceCodeOption { | ||
| return func(i *DeviceCodeFlow) { | ||
| i.GrantType = grantType | ||
| } | ||
| } | ||
|
|
||
| func WithScope(scopes ...string) DeviceCodeOption { | ||
| return func(i *DeviceCodeFlow) { | ||
| i.Scopes = append(i.Scopes, scopes...) | ||
| } | ||
| } | ||
|
|
||
| func (f *DeviceCodeFlow) Reader() io.Reader { | ||
| q := u.Values{} | ||
| q.Set("client_id", f.ClientID) | ||
| q.Set("scope", strings.Join(f.Scopes, " ")) | ||
| q.Set("audience", f.Audience) | ||
| return strings.NewReader(q.Encode()) | ||
| } | ||
|
|
||
| type DeviceCode struct { | ||
| DeviceCode string `json:"device_code"` | ||
| UserCode string `json:"user_code"` | ||
| VerificationURI string `json:"verification_uri"` | ||
| VerificationURIComplete string `json:"verification_uri_complete"` | ||
| ExpiresIn int `json:"expires_in"` | ||
| Interval int `json:"interval"` | ||
| } | ||
|
|
||
| type TokenRequest struct { | ||
| URL string | ||
| GrantType string | ||
| DeviceCode string | ||
| ClientID string | ||
| ExpiresIn int | ||
| Interval int | ||
| } | ||
|
|
||
| func (f *DeviceCodeFlow) TokenReader() io.Reader { | ||
| q := u.Values{} | ||
| q.Set("grant_type", f.GrantType) | ||
| q.Set("device_code", f.deviceCode.DeviceCode) | ||
| q.Set("client_id", f.ClientID) | ||
| return strings.NewReader(q.Encode()) | ||
| } | ||
|
|
||
| type TokenResponse struct { | ||
| AccessToken string `json:"access_token"` | ||
| IDToken string `json:"id_token"` | ||
| RefreshToken string `json:"refresh_token"` | ||
| TokenType string `json:"token_type"` | ||
| ExpiresIn int `json:"expires_in"` | ||
| Error string `json:"error"` | ||
| ErrorDescription string `json:"error_description"` | ||
| StatusCode int `json:"status_code"` | ||
| } | ||
|
|
||
| func (f *DeviceCodeFlow) GetDeviceCode(ctx context.Context) error { | ||
| req, err := http.NewRequestWithContext(ctx, "POST", f.DeviceAuthorizationURL, f.Reader()) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| req.Header.Add("content-type", "application/x-www-form-urlencoded") | ||
| res, err := http.DefaultClient.Do(req) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| defer res.Body.Close() | ||
|
|
||
| body, err := io.ReadAll(res.Body) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| var resp DeviceCode | ||
|
|
||
| if res.StatusCode == http.StatusOK { | ||
| if err := json.Unmarshal(body, &resp); err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
|
||
| if res.StatusCode != http.StatusOK { | ||
| fmt.Fprintf(os.Stderr, "Status %s %d\n", res.Status, res.StatusCode) | ||
| fmt.Println(res) | ||
| } | ||
|
|
||
| f.deviceCode = &resp | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func (f *DeviceCodeFlow) RequestAccessToken(ctx context.Context) (bool, error) { | ||
| req, err := http.NewRequestWithContext(ctx, "POST", f.TokenURL, f.TokenReader()) | ||
| if err != nil { | ||
| return false, err | ||
| } | ||
|
|
||
| req.Header.Add("content-type", "application/x-www-form-urlencoded") | ||
|
|
||
| var resp TokenResponse | ||
| res, err := http.DefaultClient.Do(req) | ||
| if err != nil { | ||
| return false, err | ||
| } | ||
|
|
||
| defer res.Body.Close() | ||
|
|
||
| body, err := io.ReadAll(res.Body) | ||
| if err != nil { | ||
| return false, err | ||
| } | ||
|
|
||
| if err := json.Unmarshal(body, &resp); err != nil { | ||
| return false, err | ||
| } | ||
|
|
||
| f.accessToken = &resp | ||
|
|
||
| return res.StatusCode == http.StatusOK, nil | ||
| } | ||
|
|
||
| func (f *DeviceCodeFlow) AccessToken() *api.Token { | ||
| if f.accessToken == nil { | ||
| return nil | ||
| } | ||
|
|
||
| return &api.Token{ | ||
| Type: f.accessToken.TokenType, | ||
| Scope: strings.Join(f.Scopes, " "), | ||
| Identity: f.accessToken.IDToken, | ||
| Access: f.accessToken.AccessToken, | ||
| ExpiresIn: f.accessToken.ExpiresIn, | ||
| ExpiresAt: time.Now().UTC().Add(time.Second * time.Duration(f.accessToken.ExpiresIn)), | ||
| } | ||
| } | ||
|
|
||
| func (f *DeviceCodeFlow) GetUserCode() string { | ||
| if f.deviceCode == nil { | ||
| return "" | ||
| } | ||
| return f.deviceCode.UserCode | ||
| } | ||
|
|
||
| func (f *DeviceCodeFlow) GetVerificationURI() string { | ||
| if f.deviceCode == nil { | ||
| return "" | ||
| } | ||
| return f.deviceCode.VerificationURI | ||
| } | ||
|
|
||
| func (f *DeviceCodeFlow) GetVerificationURIComplete() string { | ||
| if f.deviceCode == nil { | ||
| return "" | ||
| } | ||
| return f.deviceCode.VerificationURIComplete | ||
| } | ||
|
|
||
| func (f *DeviceCodeFlow) ExpiresIn() time.Duration { | ||
| if f.deviceCode == nil { | ||
| return 0 | ||
| } | ||
| return time.Duration(f.deviceCode.ExpiresIn) * time.Second | ||
| } | ||
|
|
||
| func (f *DeviceCodeFlow) Interval() time.Duration { | ||
| if f.deviceCode == nil { | ||
| return 0 | ||
| } | ||
| return time.Duration(f.deviceCode.Interval) * time.Second | ||
| } |
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