i have searched days, can't answer, create post.
i developed web app, user can create event in google calendar. working. but, can't figure, why app asks user credential once.
for example:
- user john access .aspx page redirected google authorized page because it's first time john access page.
- after authorized, john can create event in google calendar.
it works until step. problem occurred when john logout google account.
- if dave accesses page computer, he's not redirected google authorized page , directly creates event in john's calendar.
can me, why problem occurred?
this code:
protected sub new_authentication() dim datafolder string = server.mappath("app_data/calendarservice.api.auth.store") dim scopes ilist(of string) = new list(of string)() dim userid string = "googleid_co" scopes.add(calendarservice.scope.calendar) dim myclientsecret new clientsecrets() { _ .clientid = myclientid, _ .clientsecret = clientsecret _ } dim flow googleauthorizationcodeflow flow = new googleauthorizationcodeflow(new googleauthorizationcodeflow.initializer() { _ .datastore = new filedatastore(datafolder), _ .clientsecrets = myclientsecret, _ .scopes = scopes _ }) dim uri string = request.url.tostring() dim code = request("code") if code isnot nothing dim token = flow.exchangecodefortokenasync(userid, code, uri.substring(0, uri.indexof("?")), cancellationtoken.none).result ' extract right state. dim oauthstate = authwebutility.extracredirectfromstate(flow.datastore, userid, request("state")).result response.redirect(oauthstate) else dim result = new authorizationcodewebapp(flow, uri, uri).authorizeasync(userid, cancellationtoken.none).result if result.redirecturi isnot nothing ' redirect user authorization server. response.redirect(result.redirecturi) else ' data store contains user credential, user has been authenticated. mycalendarservice = new calendarservice(new baseclientservice.initializer() { _ .applicationname = "my calendar", _ .httpclientinitializer = result.credential _ }) createcalendar() end if end if end sub this createcalendar sub
protected sub createcalendar() dim newevent new [event]() { _ .summary = "google i/o 2015", _ .location = "800 howard st., san francisco, ca 94103", _ .description = "a chance hear more google's developer products.", _ .start = new eventdatetime() { _ .datetime = datetime.parse("2015-07-13t09:00:00-07:00"), _ .timezone = "america/los_angeles" _ }, _ .[end] = new eventdatetime() { _ .datetime = datetime.parse("2015-07-14t17:00:00-07:00"), _ .timezone = "america/los_angeles" _ }, _ .recurrence = new [string]() {"rrule:freq=daily;count=2"}, _ .attendees = new eventattendee() {new eventattendee() { _ .email = "lpage@example.com" _ }, new eventattendee() { _ .email = "sbrin@example.com" _ }}, _ .reminders = new [event].remindersdata() { _ .usedefault = false, _ .[overrides] = new eventreminder() {new eventreminder() { _ .method = "email", _ .minutes = 24 * 60 _ }, new eventreminder() { _ .method = "sms", _ .minutes = 10 _ }} _ } _ } dim calendarid [string] = "primary" dim request eventsresource.insertrequest = mycalendarservice.events.insert(newevent, calendarid) dim createdevent [event] = request.execute() end sub
i resolved problem. found name of token same that's why problem occurred. so, replace code:
dim datafolder string = server.mappath("app_data/calendarservice.api.auth.store") dim scopes ilist(of string) = new list(of string)() dim userid string = "googleid_co" into
dim datafolder string = server.mappath("app_data/calendarservice.api.auth.store") dim scopes ilist(of string) = new list(of string)() dim userid string = "googleid_co" & {unique identifier such userid,username,etc} 
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