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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,138 @@ | ||
| package auth | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "io/ioutil" | ||
| "net/http" | ||
| "log" | ||
|
|
||
| "github.com/asaskevich/govalidator" | ||
| httperror "github.com/portainer/libhttp/error" | ||
| "github.com/portainer/libhttp/request" | ||
| "github.com/portainer/portainer" | ||
| ) | ||
|
|
||
| type oauthPayload struct { | ||
| Code string | ||
| } | ||
|
|
||
| func (payload *oauthPayload) Validate(r *http.Request) error { | ||
| if govalidator.IsNull(payload.Code) { | ||
| return portainer.Error("Invalid OAuth authorization code") | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func (handler *Handler) authenticateThroughExtension(code, licenseKey string, settings *portainer.OAuthSettings) (string, error) { | ||
| extensionURL := handler.ProxyManager.GetExtensionURL(portainer.OAuthAuthenticationExtension) | ||
|
|
||
| encodedConfiguration, err := json.Marshal(settings) | ||
| if err != nil { | ||
| return "", nil | ||
| } | ||
|
|
||
| req, err := http.NewRequest("GET", extensionURL+"/validate", nil) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| client := &http.Client{} | ||
| req.Header.Set("X-OAuth-Config", string(encodedConfiguration)) | ||
| req.Header.Set("X-OAuth-Code", code) | ||
| req.Header.Set("X-PortainerExtension-License", licenseKey) | ||
|
|
||
| resp, err := client.Do(req) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| defer resp.Body.Close() | ||
| body, err := ioutil.ReadAll(resp.Body) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| type extensionResponse struct { | ||
| Username string `json:"Username,omitempty"` | ||
| Err string `json:"err,omitempty"` | ||
| Details string `json:"details,omitempty"` | ||
| } | ||
|
|
||
| var extResp extensionResponse | ||
| err = json.Unmarshal(body, &extResp) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| if resp.StatusCode != http.StatusOK { | ||
| return "", portainer.Error(extResp.Err + ":" + extResp.Details) | ||
| } | ||
|
|
||
| return extResp.Username, nil | ||
| } | ||
|
|
||
| func (handler *Handler) validateOAuth(w http.ResponseWriter, r *http.Request) *httperror.HandlerError { | ||
| var payload oauthPayload | ||
| err := request.DecodeAndValidateJSONPayload(r, &payload) | ||
| if err != nil { | ||
| return &httperror.HandlerError{http.StatusBadRequest, "Invalid request payload", err} | ||
| } | ||
|
|
||
| settings, err := handler.SettingsService.Settings() | ||
| if err != nil { | ||
| return &httperror.HandlerError{http.StatusInternalServerError, "Unable to retrieve settings from the database", err} | ||
| } | ||
|
|
||
| if settings.AuthenticationMethod != 3 { | ||
| return &httperror.HandlerError{http.StatusForbidden, "OAuth authentication is not enabled", portainer.Error("OAuth authentication is not enabled")} | ||
| } | ||
|
|
||
| extension, err := handler.ExtensionService.Extension(portainer.OAuthAuthenticationExtension) | ||
| if err == portainer.ErrObjectNotFound { | ||
| return &httperror.HandlerError{http.StatusNotFound, "Oauth authentication extension is not enabled", err} | ||
| } else if err != nil { | ||
| return &httperror.HandlerError{http.StatusInternalServerError, "Unable to find a extension with the specified identifier inside the database", err} | ||
| } | ||
|
|
||
| username, err := handler.authenticateThroughExtension(payload.Code, extension.License.LicenseKey, &settings.OAuthSettings) | ||
| if err != nil { | ||
| log.Printf("[DEBUG] - OAuth authentication error: %s", err) | ||
| return &httperror.HandlerError{http.StatusInternalServerError, "Unable to authenticate through OAuth", portainer.ErrUnauthorized} | ||
| } | ||
|
|
||
| user, err := handler.UserService.UserByUsername(username) | ||
| if err != nil && err != portainer.ErrObjectNotFound { | ||
| return &httperror.HandlerError{http.StatusInternalServerError, "Unable to retrieve a user with the specified username from the database", err} | ||
| } | ||
|
|
||
| if user == nil && !settings.OAuthSettings.OAuthAutoCreateUsers { | ||
| return &httperror.HandlerError{http.StatusForbidden, "Account not created beforehand in Portainer and automatic user provisioning not enabled", portainer.ErrUnauthorized} | ||
| } | ||
|
|
||
| if user == nil { | ||
| user = &portainer.User{ | ||
| Username: username, | ||
| Role: portainer.StandardUserRole, | ||
| } | ||
|
|
||
| err = handler.UserService.CreateUser(user) | ||
| if err != nil { | ||
| return &httperror.HandlerError{http.StatusInternalServerError, "Unable to persist user inside the database", err} | ||
| } | ||
|
|
||
| if settings.OAuthSettings.DefaultTeamID != 0 { | ||
| membership := &portainer.TeamMembership{ | ||
| UserID: user.ID, | ||
| TeamID: settings.OAuthSettings.DefaultTeamID, | ||
| Role: portainer.TeamMember, | ||
| } | ||
|
|
||
| err = handler.TeamMembershipService.CreateTeamMembership(membership) | ||
| if err != nil { | ||
| return &httperror.HandlerError{http.StatusInternalServerError, "Unable to persist team membership inside the database", err} | ||
| } | ||
| } | ||
| } | ||
|
|
||
| return handler.writeToken(w, user) | ||
| } |
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