/// <summary>
/// Initializes a new instance of the <see cref="LinkedInDataProvider"/> class.
/// Constructor.
/// </summary>
/// <param name="tokens">OAuth tokens for request.</param>
/// <param name="requiredPermissions">Required permissions for the session.</param>
public LinkedInDataProvider(LinkedInOAuthTokens tokens, LinkedInPermissions requiredPermissions)
{
Tokens = tokens;
RequiredPermissions = requiredPermissions;
_vault = new PasswordVault();
}
/// <summary>
/// Initialize underlying provider with relevent token information.
/// </summary>
/// <param name="clientId">Client Id.</param>
/// <param name="clientSecret">Client secret.</param>
/// <param name="callbackUri">Callback URI. Has to match callback URI defined at www.linkedin.com/developer/apps/ (can be arbitrary).</param>
/// <returns>Success or failure.</returns>
public bool Initialize(string clientId, string clientSecret, string callbackUri)
{
if (string.IsNullOrEmpty(clientId))
{
throw new ArgumentNullException(nameof(clientId));
}
if (string.IsNullOrEmpty(clientSecret))
{
throw new ArgumentNullException(nameof(clientSecret));
}
if (string.IsNullOrEmpty(callbackUri))
{
throw new ArgumentNullException(nameof(callbackUri));
}
var oAuthTokens = new LinkedInOAuthTokens
{
ClientId = clientId,
ClientSecret = clientSecret,
CallbackUri = callbackUri
};
return(Initialize(oAuthTokens, LinkedInPermissions.ReadBasicProfile));
}
private async Task <string> GetAuthorizeCodeAsync(LinkedInOAuthTokens tokens, LinkedInPermissions permissions)
{
string scopes = ConvertPermissionsToEncodedScopeString(permissions);
var url = $"{_oAuthBaseUrl}authorization?response_type=code"
+ "&client_id=" + tokens.ClientId
+ "&state=STATE"
+ "&redirect_uri=" + Uri.EscapeDataString(tokens.CallbackUri)
+ "&" + scopes;
var startUri = new Uri(url);
var endUri = new Uri(tokens.CallbackUri);
WebAuthenticationResult result = await WebAuthenticationBroker.AuthenticateAsync(
WebAuthenticationOptions.None,
startUri,
endUri);
switch (result.ResponseStatus)
{
case WebAuthenticationStatus.Success:
{
var response = result.ResponseData;
IDictionary <string, string> dictionary = new Dictionary <string, string>();
var split = response.Split('?');
foreach (var keyValue in split[split.Length - 1].Split('&'))
{
var keyValueSplit = keyValue.Split('=');
if (keyValueSplit.Length == 2)
{
dictionary.Add(keyValueSplit[0], keyValueSplit[1]);
}
}
return(dictionary["code"]);
}
case WebAuthenticationStatus.ErrorHttp:
Debug.WriteLine("WAB failed, message={0}", result.ResponseErrorDetail.ToString());
return(string.Empty);
case WebAuthenticationStatus.UserCancel:
Debug.WriteLine("WAB user aborted.");
return(string.Empty);
}
return(string.Empty);
}
/// <summary>
/// Initialize underlying provider with relevent token information.
/// </summary>
/// <param name="oAuthTokens">Token instance.</param>
/// <param name="requiredPermissions">Scope / permissions app requires user to sign up for.</param>
/// <returns>Success or failure.</returns>
public bool Initialize(LinkedInOAuthTokens oAuthTokens, LinkedInPermissions requiredPermissions = LinkedInPermissions.NotSet)
{
if (oAuthTokens == null)
{
throw new ArgumentNullException(nameof(oAuthTokens));
}
this._oAuthTokens = oAuthTokens;
this._requiredPermissions = requiredPermissions;
Provider.RequiredPermissions = requiredPermissions;
Provider.Tokens = oAuthTokens;
_isInitialized = true;
return(true);
}
private async Task <string> GetAccessTokenAsync(LinkedInOAuthTokens tokens, string authorizeCode)
{
var url = $"{_oAuthBaseUrl}accessToken?grant_type=authorization_code"
+ "&code=" + authorizeCode
+ "&redirect_uri=" + Uri.EscapeDataString(tokens.CallbackUri)
+ "&client_id=" + tokens.ClientId
+ "&client_secret=" + tokens.ClientSecret;
using (var request = new HttpRequestMessage(HttpMethod.Post, new Uri(url)))
{
using (var response = await client.SendAsync(request).ConfigureAwait(false))
{
var jsonString = await response.Content.ReadAsStringAsync().ConfigureAwait(false);
var json = JsonObject.Parse(jsonString);
return(json.GetNamedString("access_token"));
}
}
}
