yavsc/web/Controllers/GoogleController.cs

341 lines
9.3 KiB
C#

using System;
using System.Collections.Generic;
using System.Configuration;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Web;
using System.Web.Mvc;
using System.Web.Profile;
using System.Web.Security;
using Newtonsoft.Json;
using Yavsc.Model;
using Yavsc.Model.Google;
using Yavsc.Model.RolesAndMembers;
using Yavsc.Helpers.Google;
namespace Yavsc.Controllers
{
/// <summary>
/// Google controller.
/// </summary>
public class GoogleController : Controller
{
private string SetSessionSate ()
{
string state = "security_token";
Random rand = new Random ();
for (int l = 0; l < 32; l++) {
int r = rand.Next (62);
char c;
if (r < 10) {
c = (char)('0' + r);
} else if (r < 36) {
r -= 10;
c = (char) ('a' + r);
} else {
r -= 36;
c = (char) ('A' + r);
}
state += c;
}
Session ["state"] = state;
return state;
}
private string AuthGRU {
get {
return Request.Url.Scheme + "://" +
Request.Url.Authority + "/Google/Auth";
}
}
private string CalendarGRU {
get {
return Request.Url.Scheme + "://" +
Request.Url.Authority + "/Google/CalAuth";
}
}
/// <summary>
/// Login the specified returnUrl.
/// </summary>
/// <param name="returnUrl">Return URL.</param>
public void Login (string returnUrl)
{
if (string.IsNullOrWhiteSpace (returnUrl))
returnUrl = "/";
Session ["returnUrl"] = returnUrl;
OAuth2 oa = new OAuth2 (AuthGRU);
oa.Login (Response, SetSessionSate ());
}
/// <summary>
/// Gets the cal auth.
/// </summary>
/// <param name="returnUrl">Return URL.</param>
public void GetCalAuth (string returnUrl)
{
if (string.IsNullOrWhiteSpace (returnUrl))
returnUrl = "/";
Session ["returnUrl"] = returnUrl;
OAuth2 oa = new OAuth2 (CalendarGRU);
oa.GetCalAuth (Response, SetSessionSate ());
}
/// <summary>
/// Called after the Google authorizations screen,
/// we assume that <c>Session</c> contains a redirectUrl entry
/// </summary>
/// <returns>The auth.</returns>
[HttpGet]
[Authorize]
public ActionResult CalAuth ()
{
string msg;
OAuth2 oa = new OAuth2 (CalendarGRU);
AuthToken gat = oa.GetToken (Request, (string)Session ["state"], out msg);
if (gat == null) {
ViewData ["Message"] = msg;
return View ("Auth");
}
SaveToken (gat);
HttpContext.Profile.SetPropertyValue ("gcalapi", true);
string returnUrl = (string)Session ["returnUrl"];
Session ["returnUrl"] = null;
return Redirect (returnUrl);
}
/// <summary>
/// Saves the token.
/// This calls the Profile.Save() method.
/// It should be called immediatly after getting the token from Google, in
/// order to save a descent value as expiration date.
/// </summary>
/// <param name="gat">Gat.</param>
private void SaveToken (AuthToken gat)
{
HttpContext.Profile.SetPropertyValue ("gtoken", gat.access_token);
if (gat.refresh_token != null)
HttpContext.Profile.SetPropertyValue ("grefreshtoken", gat.refresh_token);
HttpContext.Profile.SetPropertyValue ("gtokentype", gat.token_type);
HttpContext.Profile.SetPropertyValue ("gtokenexpir", DateTime.Now.AddSeconds (gat.expires_in));
HttpContext.Profile.Save ();
}
/// <summary>
/// Auth this instance.
/// </summary>
[HttpGet]
public ActionResult Auth ()
{
string msg;
OAuth2 oa = new OAuth2 (AuthGRU);
AuthToken gat = oa.GetToken (Request, (string)Session ["state"], out msg);
if (gat == null) {
ViewData ["Message"] = msg;
return View ();
}
string returnUrl = (string)Session ["returnUrl"];
SignIn regmod = new SignIn ();
People me = PeopleApi.GetMe (gat);
// TODO use me.id to retreive an existing user
string accEmail = me.emails.Where (x => x.type == "account").First ().value;
MembershipUserCollection mbrs = Membership.FindUsersByEmail (accEmail);
if (mbrs.Count == 1) {
// TODO check the google id
// just set this user as logged on
FormsAuthentication.SetAuthCookie (me.displayName, true);
Session ["returnUrl"] = null;
return Redirect (returnUrl);
}
// else create the account
regmod.Email = accEmail;
regmod.UserName = me.displayName;
Session ["me"] = me;
Session ["GoogleAuthToken"] = gat;
return Auth (regmod);
}
/// <summary>
/// Creates an account using the Google authentification.
/// </summary>
/// <param name="regmod">Regmod.</param>
[HttpPost]
public ActionResult Auth (SignIn regmod)
{
if (ModelState.IsValid) {
if (Membership.GetUser (regmod.UserName) != null) {
ModelState.AddModelError ("UserName", "This user name already is in use");
return View ();
}
string returnUrl = (string)Session ["returnUrl"];
AuthToken gat = (AuthToken)Session ["GoogleAuthToken"];
People me = (People)Session ["me"];
if (gat == null || me == null)
throw new InvalidDataException ();
Random rand = new Random ();
string passwd = rand.Next (100000).ToString () + rand.Next (100000).ToString ();
MembershipCreateStatus mcs;
Membership.CreateUser (
regmod.UserName,
passwd,
regmod.Email,
null,
null,
true,
out mcs);
switch (mcs) {
case MembershipCreateStatus.DuplicateEmail:
ModelState.AddModelError ("Email", "Cette adresse e-mail correspond " +
"à un compte utilisateur existant");
return View (regmod);
case MembershipCreateStatus.DuplicateUserName:
ModelState.AddModelError ("UserName", "Ce nom d'utilisateur est " +
"déjà enregistré");
return View (regmod);
case MembershipCreateStatus.Success:
Membership.ValidateUser (regmod.UserName, passwd);
FormsAuthentication.SetAuthCookie (regmod.UserName, true);
HttpContext.Profile.Initialize (regmod.UserName, true);
HttpContext.Profile.SetPropertyValue ("Name", me.displayName);
// TODO use image
if (me.image != null) {
HttpContext.Profile.SetPropertyValue ("avatar", me.image.url);
}
if (me.placesLived != null) {
People.Place pplace = me.placesLived.Where (x => x.primary).First ();
if (pplace != null)
HttpContext.Profile.SetPropertyValue ("CityAndState", pplace.value);
}
if (me.url != null)
HttpContext.Profile.SetPropertyValue ("WebSite", me.url);
SaveToken (gat);
// already done in SaveToken: HttpContext.Profile.Save ();
return Redirect (returnUrl);
}
ViewData ["returnUrl"] = returnUrl;
}
return View (regmod);
}
[Authorize]
[HttpGet]
ActionResult PushPos ()
{
return View ();
}
/// <summary>
/// Chooses the calendar.
/// </summary>
/// <returns>The calendar.</returns>
/// <param name="returnUrl">Return URL.</param>
[Authorize]
[HttpGet]
public ActionResult ChooseCalendar (string returnUrl)
{
bool hasCalAuth = (bool)HttpContext.Profile.GetPropertyValue ("gcalapi");
if (!hasCalAuth) {
Session ["returnUrl"] = Request.Url.Scheme + "://" + Request.Url.Authority + "/Google/ChooseCalendar";
return RedirectToAction ("GetCalAuth",
new {
returnUrl = "ChooseCalendar?returnUrl="+HttpUtility.UrlEncode(returnUrl)
});
}
string cred = OAuth2.GetFreshGoogleCredential (HttpContext.Profile);
CalendarApi c = new CalendarApi ();
CalendarList cl = c.GetCalendars (cred);
ViewData ["returnUrl"] = returnUrl;
return View (cl);
}
/// <summary>
/// Sets the calendar.
/// </summary>
/// <returns>The calendar.</returns>
/// <param name="calchoice">Calchoice.</param>
/// <param name="returnUrl">return Url.</param>
[HttpPost]
[Authorize]
public ActionResult SetCalendar (string calchoice,string returnUrl)
{
HttpContext.Profile.SetPropertyValue ("gcalid", calchoice);
HttpContext.Profile.Save ();
if (returnUrl != null) {
return Redirect (returnUrl);
}
return Redirect ("/");
}
/// <summary>
/// Dates the query.
/// </summary>
/// <returns>The query.</returns>
[Authorize]
[HttpGet]
public ActionResult DateQuery ()
{
return View (new AskForADate ());
}
/// <summary>
/// Dates the query.
/// </summary>
/// <returns>The query.</returns>
/// <param name="model">Model.</param>
[Authorize]
[HttpPost]
public ActionResult DateQuery (AskForADate model)
{
if (ModelState.IsValid) {
DateTime mindate = DateTime.Now;
if (model.PreferedDate < mindate)
model.PreferedDate = mindate;
if (model.MaxDate < mindate)
model.MaxDate = mindate.AddYears (1).Date;
var muc = Membership.FindUsersByName (model.UserName);
if (muc.Count == 0) {
ModelState.AddModelError ("UserName", "Non existent user");
return View (model);
}
ProfileBase upr = ProfileBase.Create (model.UserName);
string calid = (string)upr.GetPropertyValue ("gcalid");
if (string.IsNullOrWhiteSpace (calid)) {
ModelState.AddModelError ("UserName", "L'utilisateur n'a pas de calendrier Google associé.");
return View (model);
}
DateTime maxdate = model.MaxDate;
CalendarApi c = new CalendarApi ();
CalendarEventList res;
try {
res = c.GetCalendar (calid, mindate, maxdate, upr);
} catch (OtherWebException ex) {
ViewData ["Title"] = ex.Title;
ViewData ["Content"] = ex.Content;
return View ("GoogleErrorMessage", ex);
}
return View ("ChooseADate",res);
}
return View (model);
}
}
}