/// <summary>
/// Initializes a new instance of the <see cref="FacebookSettings"/> class.
/// </summary>
/// <param name="facebookSettings">
/// The facebook settings.
/// </param>
/// <remarks>
/// Copy constructor
/// </remarks>
public FacebookSettings(FacebookSettings facebookSettings)
{
if (facebookSettings == null)
return;
AccessToken = facebookSettings.AccessToken;
ApplicationKey = facebookSettings.ApplicationKey;
ApplicationSecret = facebookSettings.ApplicationSecret;
PostAuthorizeUrl = facebookSettings.PostAuthorizeUrl;
CanvasUrl = facebookSettings.CanvasUrl;
AccessExpires = facebookSettings.AccessExpires;
DefaultApplicationPermissions = facebookSettings.DefaultApplicationPermissions;
UserAgent = facebookSettings.UserAgent;
}
/// <summary>
/// Initializes a new instance of the <see cref="FacebookSettings"/> class.
/// </summary>
/// <param name="facebookSettings">
/// The facebook settings.
/// </param>
/// <remarks>
/// Copy constructor
/// </remarks>
public FacebookSettings(FacebookSettings facebookSettings)
{
if (facebookSettings == null)
{
return;
}
AccessToken = facebookSettings.AccessToken;
ApplicationKey = facebookSettings.ApplicationKey;
ApplicationSecret = facebookSettings.ApplicationSecret;
PostAuthorizeUrl = facebookSettings.PostAuthorizeUrl;
CanvasUrl = facebookSettings.CanvasUrl;
AccessExpires = facebookSettings.AccessExpires;
DefaultApplicationPermissions = facebookSettings.DefaultApplicationPermissions;
UserAgent = facebookSettings.UserAgent;
}
public static FacebookAuthenticationResult Parse(string url, FacebookSettings facebookSettings)
{
IDictionary<string, string> paramters;
if (url.StartsWith("http://www.facebook.com/connect/login_success.html"))
{
Uri uri = new Uri(url);
if (!string.IsNullOrEmpty(uri.Fragment))
{
var pars = FacebookUtils.ParseUrlQueryString(uri.Fragment);
paramters = new Dictionary<string, string>();
foreach (var p in pars)
{
if (p.Key.StartsWith("#"))
paramters.Add(p.Key.Substring(1), p.Value[0]);
else
paramters.Add(p.Key, p.Value[0]);
}
}
else
{
var pars = FacebookUtils.ParseUrlQueryString(url);
paramters = new Dictionary<string, string>();
foreach (var p in pars)
{
paramters.Add(p.Key, p.Value[0]);
}
}
return new FacebookAuthenticationResult(paramters);
}
// for now don't allow to parse silverlight and windows phone web,
// coz ExchangeAccessTokenForCode needs to have async version.
#if !(SILVERLIGHT || WINDOWS_PHONE)
else
{
// its from web
var uri = new Uri(url);
var pars = FacebookUtils.ParseUrlQueryString(uri.Query);
paramters = new Dictionary<string, string>();
foreach (var p in pars)
{
paramters.Add(p.Key, p.Value[0]);
}
if (paramters.ContainsKey("signed_request"))
{ // if we are accessing from iframe canvas
// note: needs to enable Canvas Session Parameter and OAuth 2.0 for Canvas (beta) in Migration Tab in app settings.
// might add other features later on.
if (facebookSettings == null)
throw new ArgumentNullException("facebookSettings");
if (string.IsNullOrEmpty(facebookSettings.ApplicationSecret))
throw new ArgumentNullException("facebookSettings.ApplicationSecret");
IDictionary<string, object> jsonObject;
if (!ValidateSignedRequest(paramters["signed_request"], facebookSettings.ApplicationSecret, out jsonObject))
throw new InvalidSignedRequestException();
return new FacebookAuthenticationResult(jsonObject);
}
else if (paramters.ContainsKey("code"))
{ // incase this is from the web, we need to exchange the code with access token
if (facebookSettings == null)
throw new ArgumentNullException("facebookSettings");
long expiresIn;
string accessToken = Facebook.ExchangeAccessTokenForCode(paramters["code"],
facebookSettings.ApplicationKey,
facebookSettings.ApplicationSecret,
facebookSettings.PostAuthorizeUrl,
facebookSettings.UserAgent,
out expiresIn);
return new FacebookAuthenticationResult(accessToken, expiresIn, null);
}
}
#endif
// if its parse error
return new FacebookAuthenticationResult(string.Empty, 0, string.Empty);
}
public static FacebookAuthenticationResult Parse(string url, FacebookSettings facebookSettings)
{
IDictionary <string, string> paramters;
if (url.StartsWith("http://www.facebook.com/connect/login_success.html"))
{
Uri uri = new Uri(url);
if (!string.IsNullOrEmpty(uri.Fragment))
{
var pars = FacebookUtils.ParseUrlQueryString(uri.Fragment);
paramters = new Dictionary <string, string>();
foreach (var p in pars)
{
if (p.Key.StartsWith("#"))
{
paramters.Add(p.Key.Substring(1), p.Value[0]);
}
else
{
paramters.Add(p.Key, p.Value[0]);
}
}
}
else
{
var pars = FacebookUtils.ParseUrlQueryString(url);
paramters = new Dictionary <string, string>();
foreach (var p in pars)
{
paramters.Add(p.Key, p.Value[0]);
}
}
return(new FacebookAuthenticationResult(paramters));
}
// for now don't allow to parse silverlight and windows phone web,
// coz ExchangeAccessTokenForCode needs to have async version.
#if !(SILVERLIGHT || WINDOWS_PHONE)
else
{
// its from web
var uri = new Uri(url);
var pars = FacebookUtils.ParseUrlQueryString(uri.Query);
paramters = new Dictionary <string, string>();
foreach (var p in pars)
{
paramters.Add(p.Key, p.Value[0]);
}
if (paramters.ContainsKey("signed_request"))
{ // if we are accessing from iframe canvas
// note: needs to enable Canvas Session Parameter and OAuth 2.0 for Canvas (beta) in Migration Tab in app settings.
// might add other features later on.
if (facebookSettings == null)
{
throw new ArgumentNullException("facebookSettings");
}
if (string.IsNullOrEmpty(facebookSettings.ApplicationSecret))
{
throw new ArgumentNullException("facebookSettings.ApplicationSecret");
}
IDictionary <string, object> jsonObject;
if (!ValidateSignedRequest(paramters["signed_request"], facebookSettings.ApplicationSecret, out jsonObject))
{
throw new InvalidSignedRequestException();
}
return(new FacebookAuthenticationResult(jsonObject));
}
else if (paramters.ContainsKey("code"))
{ // incase this is from the web, we need to exchange the code with access token
if (facebookSettings == null)
{
throw new ArgumentNullException("facebookSettings");
}
long expiresIn;
string accessToken = Facebook.ExchangeAccessTokenForCode(paramters["code"],
facebookSettings.ApplicationKey,
facebookSettings.ApplicationSecret,
facebookSettings.PostAuthorizeUrl,
facebookSettings.UserAgent,
out expiresIn);
return(new FacebookAuthenticationResult(accessToken, expiresIn, null));
}
}
#endif
// if its parse error
return(new FacebookAuthenticationResult(string.Empty, 0, string.Empty));
}
/// <summary>
/// Initializes a new instance of the <see cref="Facebook"/> class.
/// </summary>
/// <param name="facebookSettings">
/// The facebook settings.
/// </param>
public Facebook(FacebookSettings facebookSettings)
{
_settings = facebookSettings ?? (_settings = new FacebookSettings());
}
/// <summary>
/// Initializes a new instance of the <see cref="Facebook"/> class.
/// </summary>
/// <param name="facebookSettings">
/// The facebook settings.
/// </param>
public Facebook(FacebookSettings facebookSettings)
{
_settings = facebookSettings ?? (_settings = new FacebookSettings());
}
