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@ -12,27 +12,27 @@ using System.Net;
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using System.IO;
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using Yavsc.Model;
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using Newtonsoft.Json;
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using Yavsc.Model.Google;
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using Yavsc.Model.RolesAndMembers;
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using System.Web.Security;
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using System.Web.Profile;
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namespace Yavsc.Controllers
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{
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public class TokenResult {
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public string access_token { get; set; }
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public string id_token { get; set; }
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public int expires_in { get; set; }
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public string token_type { get; set ; }
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public string refresh_token { get; set; }
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}
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public class GoogleController : Controller
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{
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private string API_KEY="AIzaSyBV_LQHb22nGgjNvFzZwnQHjao3Q7IewRw";
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// private string API_KEY="AIzaSyBV_LQHb22nGgjNvFzZwnQHjao3Q7IewRw";
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private string getPeopleUri = "https://www.googleapis.com/plus/v1/people";
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private string CLIENT_ID="325408689282-6bekh7p3guj4k0f3301a6frf025cnrk1.apps.googleusercontent.com";
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private string CLIENT_SECRET="MaxYcvJJCs2gDGvaELZbzwfL";
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string [] SCOPES = {
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"openid" ,
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"profile",
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"email"
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} ;
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@ -40,43 +40,37 @@ namespace Yavsc.Controllers
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string tokenUri = "https://accounts.google.com/o/oauth2/token";
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string authUri = "https://accounts.google.com/o/oauth2/auth";
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public void Login()
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public void Login(string returnUrl)
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{
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if (string.IsNullOrWhiteSpace (returnUrl))
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returnUrl = "/";
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Random rand = new Random ();
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string state = "security_token"+rand.Next (100000).ToString()+rand.Next (100000).ToString();
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Session ["state"] = state;
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Session ["returnUrl"] = returnUrl;
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string redirectUri = Request.Url.Scheme + "://" + Request.Url.Authority + "/Google/Auth";
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string prms = String.Format("response_type=code&" +
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"client_id={0}&" +
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"redirect_uri={1}&" +
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"scope={2}&" +
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"state={3}&" +
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"access_type=offline&" +
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"include_granted_scopes=false",
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CLIENT_ID,
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redirectUri,
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string.Join("%20",SCOPES),
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state
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);
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string prms = String.Format("response_type=code&client_id={0}&redirect_uri={1}&scope={2}&state={3}&access_type=offline&include_granted_scopes=false",
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CLIENT_ID, redirectUri, string.Join("%20",SCOPES), state);
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WebRequest wr = WebRequest.Create(authUri+"?"+prms);
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wr.Method = "GET";
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// Get the response.
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try {
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WebResponse response = wr.GetResponse();
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string resQuery = response.ResponseUri.Query;
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string cont = HttpUtility.ParseQueryString(resQuery)["continue"];
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Response.Redirect (cont);
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}
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catch (WebException we) {
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Response.Redirect(we.Response.ResponseUri.AbsoluteUri);
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}
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}
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public void Auth() {
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[HttpGet]
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public ActionResult Auth()
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{
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string returnUrl = (string) Session ["returnUrl"];
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string redirectUri = Request.Url.Scheme + "://" + Request.Url.Authority + "/Google/Auth";
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string code = Request.Params ["code"];
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string error = Request.Params ["error"];
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@ -84,13 +78,13 @@ namespace Yavsc.Controllers
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ViewData ["Message"] =
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string.Format(LocalizedText.Google_error,
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LocalizedText.ResourceManager.GetString(error));
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return;
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return View();
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}
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string state = Request.Params ["state"];
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if (state!=null && string.Compare((string)Session ["state"],state)!=0) {
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ViewData ["Message"] =
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LocalizedText.ResourceManager.GetString("invalid request state");
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return;
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return View();
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}
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string postdata =
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@ -112,17 +106,113 @@ namespace Yavsc.Controllers
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};
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using (WebResponse response = webreq.GetResponse ()) {
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using (Stream responseStream = response.GetResponseStream ()) {
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using (StreamReader readStream = new StreamReader (responseStream, Encoding.ASCII)) {
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using (StreamReader readStream = new StreamReader (responseStream, Encoding.UTF8)) {
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string responseStr = readStream.ReadToEnd ();
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TokenResult res = JsonConvert.DeserializeObject<TokenResult>(responseStr);
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AuthToken gat = JsonConvert.DeserializeObject<AuthToken>(responseStr);
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Session ["GoogleAuthToken"] = gat;
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SignIn regmod = new SignIn ();
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HttpWebRequest webreppro = WebRequest.CreateHttp (getPeopleUri+"/me");
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webreppro.ContentType = "application/http";
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webreppro.Headers.Add (HttpRequestHeader.Authorization, gat.token_type + " " + gat.access_token);
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webreppro.Method = "GET";
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using (WebResponse proresp = webreppro.GetResponse ()) {
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using (Stream prresponseStream = proresp.GetResponseStream ()) {
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using (StreamReader readproresp = new StreamReader (prresponseStream, Encoding.UTF8)) {
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string prresponseStr = readproresp.ReadToEnd ();
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People me = JsonConvert.DeserializeObject<People> (prresponseStr);
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// TODO use me.id to retreive an existing user
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string accEmail = me.emails.Where (x => x.type == "account").First().value;
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MembershipUserCollection mbrs = Membership.FindUsersByEmail (accEmail);
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if (mbrs.Count == 1) {
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// TODO check the google id
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// just set this user as logged on
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FormsAuthentication.SetAuthCookie (me.displayName, true);
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Session ["returnUrl"] = null;
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return Redirect (returnUrl);
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}
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// else create the account
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regmod.Email = accEmail;
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regmod.UserName = me.displayName;
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Session ["me"] = me;
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return Auth(regmod);
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}
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}
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}
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}
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}
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}
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}
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/// <summary>
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/// Creates an account using the Google authentification.
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/// </summary>
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/// <param name="regmod">Regmod.</param>
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[HttpPost]
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public ActionResult Auth(SignIn regmod)
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{
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if (ModelState.IsValid) {
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if (Membership.GetUser (regmod.UserName) != null) {
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ModelState.AddModelError ("UserName", "This user name already is in use");
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return View ();
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}
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string returnUrl = (string)Session ["returnUrl"];
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AuthToken gat = (AuthToken)Session ["GoogleAuthToken"];
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People me = (People)Session ["me"];
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if (gat == null || me == null)
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throw new InvalidDataException ();
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Random rand = new Random ();
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string passwd = rand.Next (100000).ToString () + rand.Next (100000).ToString ();
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MembershipCreateStatus mcs;
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Membership.CreateUser (
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regmod.UserName,
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passwd,
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regmod.Email,
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null,
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null,
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true,
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out mcs);
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switch (mcs) {
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case MembershipCreateStatus.DuplicateEmail:
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ModelState.AddModelError ("Email", "Cette adresse e-mail correspond " +
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"à un compte utilisateur existant");
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return View (regmod);
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case MembershipCreateStatus.DuplicateUserName:
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ModelState.AddModelError ("UserName", "Ce nom d'utilisateur est " +
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"déjà enregistré");
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return View (regmod);
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case MembershipCreateStatus.Success:
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Membership.ValidateUser (regmod.UserName, passwd);
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FormsAuthentication.SetAuthCookie (regmod.UserName, true);
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HttpContext.Profile.Initialize (regmod.UserName, true);
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HttpContext.Profile.SetPropertyValue ("gtoken", gat.access_token);
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HttpContext.Profile.SetPropertyValue ("Name", me.displayName);
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// TODO use image
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if (me.image != null) {
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HttpContext.Profile.SetPropertyValue ("avatar", me.image.url);
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}
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if (me.placesLived != null) {
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People.Place pplace = me.placesLived.Where (x => x.primary).First ();
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if (pplace != null)
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HttpContext.Profile.SetPropertyValue ("Address", pplace.value);
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}
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if (me.url != null)
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HttpContext.Profile.SetPropertyValue ("WebSite", me.url);
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HttpContext.Profile.Save ();
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return Redirect (returnUrl);
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}
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ViewData ["returnUrl"] = returnUrl;
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}
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return View (regmod);
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}
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public void ChooseCalendar()
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{
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throw new NotImplementedException();
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}
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}
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}
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Paul Schneider
10 years ago
