public void SetSettings(PaypalSettings Settings) {
var settingsPart = Services.WorkContext.CurrentSite.As<OShopPaypalSettingsPart>();
settingsPart.UseSandbox = Settings.UseSandbox;
settingsPart.ClientId = Settings.ClientId;
settingsPart.ClientSecret = Convert.ToBase64String(_encryptionService.Encode(Encoding.UTF8.GetBytes(Settings.ClientSecret)));
}
public async Task<bool> ValidateCredentialsAsync(PaypalSettings Settings) {
using (var client = CreateClient(Settings.UseSandbox)) {
try {
return await GetAccessTokenAsync(client, Settings) != null;
}
catch {
return false;
}
}
}
public PaypalSettings GetSettings() {
var settingsPart = Services.WorkContext.CurrentSite.As<OShopPaypalSettingsPart>();
var settings = new PaypalSettings() {
UseSandbox = settingsPart.UseSandbox,
ClientId = settingsPart.ClientId,
};
if (!string.IsNullOrEmpty(settingsPart.ClientSecret)) {
settings.ClientSecret = Encoding.UTF8.GetString(_encryptionService.Decode(Convert.FromBase64String(settingsPart.ClientSecret)));
}
return settings;
}
public ActionResult SettingsSave(PaypalSettings model) {
if (!Services.Authorizer.Authorize(OShopPermissions.ManageShopSettings, T("Not allowed to manage Shop Settings")))
return new HttpUnauthorizedResult();
if (TryUpdateModel(model)) {
_settingsService.SetSettings(model);
Services.Notifier.Information(T("PayPal Settings saved successfully."));
}
else {
Services.Notifier.Error(T("Could not save PayPal Settings."));
}
return View(model);
}
public async Task<ActionResult> SettingsValidate(PaypalSettings model) {
if (!Services.Authorizer.Authorize(OShopPermissions.ManageShopSettings, T("Not allowed to manage Shop Settings")))
return new HttpUnauthorizedResult();
if (TryUpdateModel(model)) {
if (await _apiService.ValidateCredentialsAsync(model)) {
Services.Notifier.Information(T("Valid credentials."));
}
else {
Services.Notifier.Warning(T("Invalid credentials."));
}
}
else {
Services.Notifier.Error(T("Could not validate credentials."));
}
return View(model);
}
private async Task<AccessToken> GetAccessTokenAsync(HttpClient Client, PaypalSettings Settings) {
Client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Basic", Convert.ToBase64String(
ASCIIEncoding.ASCII.GetBytes(Settings.ClientId + ":" + Settings.ClientSecret)
));
var response = await Client.PostAsync("v1/oauth2/token", new FormUrlEncodedContent(new KeyValuePair<string, string>[] {
new KeyValuePair<string, string>("grant_type", "client_credentials")
}));
if (response.IsSuccessStatusCode) {
var token = await response.Content.ReadAsAsync<AccessToken>();
if (token != null) {
// Set authorization header for further requests
Client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue(token.TokenType, token.Token);
}
return token;
}
else {
throw new OrchardException(T("Unable to obtain Access Token from PayPal API."));
}
}
