private void button1_Click(object sender, EventArgs e)
{
string link = "https://login.iee.ihu.gr/login?client_id=" + Program.CLIENT_ID + "&response_type=code&scope=announcements,notifications,profile&redirect_uri=https://users.it.teithe.gr/~it185246/accepted.html";
Process.Start(link);
StringEdit.Out("Please use the opened browser window to authorize and paste the code back here.", ref richTextBox1, StringEdit.OutType.Alert);
}
private async Task LoadAnnouncements()
{
StringEdit.Out("Fetching announcements...", ref richTextBox1);
using (var request = new HttpRequestMessage(new HttpMethod("GET"), "http://api.iee.ihu.gr/announcements"))
{
request.Headers.TryAddWithoutValidation("x-access-token", Program.access_token);
var response = await client.SendAsync(request);
string responseString = await response.Content.ReadAsStringAsync();
responseString = responseString.Replace("},{", "}^{");
responseString = responseString.Substring(1, responseString.Length - 2);
string[] vs = responseString.Split('^');
foreach (string s in vs)
{
Announcement temp = JsonConvert.DeserializeObject <Announcement>(s);
Program.Announcements.Add(temp);
}
if (Program.Announcements.Count > 0)
{
StringEdit.Out("Found " + Program.Announcements.Count + " announcements.", ref richTextBox1, StringEdit.OutType.Success);
}
else
{
StringEdit.Out("Something went wrong while fetching the announcements.", ref richTextBox1, StringEdit.OutType.Error);
return;
}
}
}
private async Task Initialize()
{
RegistryKey rk = Registry.CurrentUser.OpenSubKey
("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run", true);
if (rk.GetValue("AnnouncementHelper") != null)
{
Program.StartupEnabled = true;
}
if (!Directory.Exists(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + "\\AnnouncementHelper\\"))
{
Directory.CreateDirectory(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + "\\AnnouncementHelper\\");
}
string[] files = Directory.GetFiles(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + "\\AnnouncementHelper\\");
foreach (string s in files)
{
string filename = s.Split('\\').Last();
if (filename.Contains("reminder"))
{
string date = filename.Split('_')[1].Split('T')[0];
if (DateTime.ParseExact(date, "yyyy-MM-dd", CultureInfo.InvariantCulture) <= DateTime.Now.Date)
{
StringEdit.Out("Βρέθηκε ανακοίνωση για σήμερα!", ref richTextBox1, StringEdit.OutType.Success);
await Task.Delay(1000);
Announcement temp = AnnouncementConvert.FromBase64(File.ReadAllText(s));
File.Delete(s);
new Thread(() =>
{
AnnouncementForm f1 = new AnnouncementForm(temp);
f1.ShowDialog();
})
{
IsBackground = true
}.Start();
}
}
}
// Το httpClient χρησιμοποιεί proxy σαν default που το κάνει αργό
// οπότε το αφαιρούμε
HttpClientHandler hch = new HttpClientHandler
{
Proxy = null,
UseProxy = false,
};
client = new HttpClient(hch);
}
private async void AfterAccessTokenWork()
{
if (Program.access_token == "error")
{
StringEdit.Out("Error when loading access token. Please report to the developer.", ref richTextBox1, StringEdit.OutType.Error);
return;
}
var task1 = LoadCategories();
var task2 = LoadUserProfile();
var task3 = LoadAnnouncements();
await Task.WhenAll(task1, task2, task3);
this.Hide();
var organizer = new Organizer();
organizer.Closed += (s, args) => this.Close();
organizer.Show();
}
private async Task GetAccessTokenUsingRefresh(string code)
{
var values = new Dictionary <string, string>
{
{ "client_id", Program.CLIENT_ID },
{ "client_secret", Program.CLIENT_SECRET },
{ "grant_type", "refresh_token" },
{ "code", code }
};
var content = new FormUrlEncodedContent(values);
var response = await client.PostAsync("https://login.iee.ihu.gr/token", content);
var responseString = await response.Content.ReadAsStringAsync();
MatchCollection matches = Regex.Matches(responseString, "\"([^\"]*)\"");
if (matches.Count == 0)
{
StringEdit.Out("JSON answer missing error.", ref richTextBox1, StringEdit.OutType.Error);
}
else
{
if (matches[0].ToString().Contains("access_token"))
{
StringEdit.Out("Got access token using the refresh token!", ref richTextBox1, StringEdit.OutType.Success);
File.WriteAllText(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + "\\AnnouncementHelper\\refresh.token", matches[5].ToString().Replace("\"", ""));
Program.access_token = matches[1].ToString().Replace("\"", "");
return;
}
else
{
StringEdit.Out("JSON error:" + Environment.NewLine + responseString, ref richTextBox1, StringEdit.OutType.Error);
StringEdit.Out("Possibly expired refresh_token.", ref richTextBox1);
StringEdit.Out("Please restart the program.", ref richTextBox1);
if (File.Exists(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + "\\AnnouncementHelper\\refresh.token"))
{
File.Delete(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + "\\AnnouncementHelper\\refresh.token");
}
return;
}
}
}
private async void BeforeAccessTokenWork()
{
await Initialize();
if (File.Exists(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + "\\AnnouncementHelper\\refresh.token"))
{
StringEdit.Out("Refresh token found!", ref richTextBox1, StringEdit.OutType.Success);
await GetAccessTokenUsingRefresh(File.ReadAllText(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + "\\AnnouncementHelper\\refresh.token"));
AfterAccessTokenWork();
}
else
{
StringEdit.Out("Please choose your login method and login.", ref richTextBox1);
radiopanel.Enabled = true;
loginBox.Enabled = true;
loginManual.Enabled = true;
}
}
private async Task LoadUserProfile()
{
using (var request = new HttpRequestMessage(new HttpMethod("GET"), "http://api.iee.ihu.gr/profile"))
{
request.Headers.TryAddWithoutValidation("x-access-token", Program.access_token);
var response = await client.SendAsync(request);
string responseString = await response.Content.ReadAsStringAsync();
Program.UserProfile = JsonConvert.DeserializeObject <Profile>(responseString);
if (Program.UserProfile.GivenName == string.Empty)
{
StringEdit.Out("Something went wrong while fetching the profile.", ref richTextBox1, StringEdit.OutType.Error);
return;
}
}
StringEdit.Out("Semester found:" + Program.UserProfile.Sem, ref richTextBox1);
}
private async Task LoadCategories()
{
using (var request = new HttpRequestMessage(new HttpMethod("GET"), "http://api.iee.ihu.gr/categories/"))
{
request.Headers.TryAddWithoutValidation("x-access-token", Program.access_token);
var response = await client.SendAsync(request);
string responseString = await response.Content.ReadAsStringAsync();
responseString = responseString.Replace("},{", "}^{");
responseString = responseString.Substring(1, responseString.Length - 2);
string[] vs = responseString.Split('^');
int i = 0;
foreach (string s in vs)
{
if (s.Contains("error"))
{
StringEdit.Out(s, ref richTextBox1);
return;
}
Category temp;
temp = JsonConvert.DeserializeObject <Category>(s);
temp.Index = i;
Program.Categories.Add(temp);
i++;
}
if (Program.Categories.Count > 0)
{
StringEdit.Out("Found " + Program.Categories.Count + " categories.", ref richTextBox1, StringEdit.OutType.Success);
}
else
{
StringEdit.Out("Something went wrong while fetching the categories.", ref richTextBox1, StringEdit.OutType.Error);
return;
}
}
}
