public object ConvertSourceToObject(PublishedPropertyType propertyType, object source, bool preview)
{
// Get the value as a string
string str = source as string;
// Deserialize the string
return(String.IsNullOrWhiteSpace(str) ? null : InstagramOAuthData.Deserialize(str));
}
protected void Page_Load(object sender, EventArgs e) {
Callback = Request.QueryString["callback"];
ContentTypeAlias = Request.QueryString["contentTypeAlias"];
PropertyAlias = Request.QueryString["propertyAlias"];
if (AuthState != null) {
string[] stateValue = Session["Skybrud.Social_" + AuthState] as string[];
if (stateValue != null && stateValue.Length == 3) {
Callback = stateValue[0];
ContentTypeAlias = stateValue[1];
PropertyAlias = stateValue[2];
}
}
// Get the prevalue options
InstagramOAuthPreValueOptions options = InstagramOAuthPreValueOptions.Get(ContentTypeAlias, PropertyAlias);
if (!options.IsValid) {
Content.Text = "Hold on now! The options of the underlying prevalue editor isn't valid.";
return;
}
// Configure the OAuth client based on the options of the prevalue options
InstagramOAuthClient client = new InstagramOAuthClient {
ClientId = options.ClientId,
ClientSecret = options.ClientSecret,
RedirectUri = options.RedirectUri
};
// Session expired?
if (AuthState != null && Session["Skybrud.Social_" + AuthState] == null) {
Content.Text = "<div class=\"error\">Session expired?</div>";
return;
}
// Check whether an error response was received from Instagram
if (AuthError != null) {
Content.Text = "<div class=\"error\">Error: " + AuthErrorDescription + "</div>";
return;
}
// Redirect the user to the Instagram login dialog
if (AuthCode == null) {
// Generate a new unique/random state
string state = Guid.NewGuid().ToString();
// Save the state in the current user session
Session["Skybrud.Social_" + state] = new[] { Callback, ContentTypeAlias, PropertyAlias };
// Construct the authorization URL
string url = client.GetAuthorizationUrl(state);
// Redirect the user
Response.Redirect(url);
return;
}
// Exchange the authorization code for an access token
InstagramAccessTokenResponse accessToken;
try {
accessToken = client.GetAccessTokenFromAuthCode(AuthCode);
} catch (Exception ex) {
Content.Text = "<div class=\"error\"><b>Unable to acquire access token</b><br />" + ex.Message + "</div>";
return;
}
try {
// Initialize the Instagram service
InstagramService service = InstagramService.CreateFromAccessToken(accessToken.Body.AccessToken);
// Get information about the authenticated user
InstagramUser user = service.Users.GetSelf().Body.Data;
Content.Text += "<p>Hi <strong>" + (user.FullName ?? user.Username) + "</strong></p>";
Content.Text += "<p>Please wait while you're being redirected...</p>";
// Set the callback data
InstagramOAuthData data = new InstagramOAuthData {
Id = user.Id,
Username = user.Username,
FullName = user.FullName,
Name = user.FullName ?? user.Username,
Avatar = user.ProfilePicture,
AccessToken = accessToken.Body.AccessToken
};
// Update the UI and close the popup window
Page.ClientScript.RegisterClientScriptBlock(GetType(), "callback", String.Format(
"self.opener." + Callback + "({0}); window.close();",
data.Serialize()
), true);
} catch (Exception ex) {
Content.Text = "<div class=\"error\"><b>Unable to get user information</b><br />" + ex.Message + "</div>";
}
}