File: AuthorizationHandler.cpp

package info (click to toggle)
audacity 3.7.3%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 125,252 kB
  • sloc: cpp: 358,238; ansic: 75,458; lisp: 7,761; sh: 3,410; python: 1,503; xml: 1,385; perl: 854; makefile: 122
file content (173 lines) | stat: -rw-r--r-- 4,662 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
/*  SPDX-License-Identifier: GPL-2.0-or-later */
/*!********************************************************************

  Audacity: A Digital Audio Editor

  AuthorizationHandler.cpp

  Dmitry Vedenko

**********************************************************************/
#include "AuthorizationHandler.h"

#include <chrono>
#include <future>
#include <optional>

#include "OAuthService.h"
#include "ServiceConfig.h"

#include "ui/dialogs/LoginDialog.h"
#include "ui/dialogs/LinkAccountDialog.h"
#include "ui/dialogs/LinkFailedDialog.h"
#include "ui/dialogs/LinkSucceededDialog.h"
#include "ui/dialogs/WaitForActionDialog.h"

#include "CodeConversions.h"
#include "HelpSystem.h"
#include "MemoryX.h"

namespace audacity::cloud::audiocom
{
namespace
{
AuthorizationHandler handler;

std::optional<AuthResult> WaitForAuth(
   std::future<std::optional<AuthResult>> future,
   const AudacityProject* project)
{
   using namespace sync;

   if (
      future.wait_for(std::chrono::milliseconds { 100 }) !=
      std::future_status::ready)
   {
      auto waitResult =
         WaitForActionDialog {
            project, XO("Waiting for audio.com"),
            XO("An action on audio.com is required before you can continue. You can cancel this operation."),
            false
         }
            .ShowDialog(
               [&future]() -> DialogButtonIdentifier
               {
                  if (
                     future.wait_for(std::chrono::milliseconds { 50 }) !=
                     std::future_status::ready)
                     return {};

                  return { L"done" };
               });

      if (waitResult == WaitForActionDialog::CancelButtonIdentifier())
         return AuthResult { AuthResult::Status::Cancelled, {} };
   }

   if (GetOAuthService().HasAccessToken())
      return AuthResult { AuthResult::Status::Authorised, {} };

   return future.get();
}
} // namespace

AuthorizationHandler& GetAuthorizationHandler()
{
   return handler;
}

AuthResult PerformBlockingAuth(
   AudacityProject* project, AudiocomTrace trace,
   const TranslatableString& alternativeActionLabel)
{
   using namespace sync;
   auto& oauthService = GetOAuthService();

   // Assume, that the token is valid
   // Services will need to handle 403 errors and refresh the token
   if (GetOAuthService().HasAccessToken())
      return { AuthResult::Status::Authorised, {} };

   GetAuthorizationHandler().PushSuppressDialogs();
   auto popSuppress =
      finally([] { GetAuthorizationHandler().PopSuppressDialogs(); });

   if (oauthService.HasRefreshToken())
   {
      std::promise<std::optional<AuthResult>> promise;

      oauthService.ValidateAuth(
         [&promise](auto...) { promise.set_value({}); }, trace, true);

      if (auto waitResult = WaitForAuth(promise.get_future(), project))
         return *waitResult;
   }

   auto linkResult =
      sync::LinkAccountDialog { project, alternativeActionLabel }.ShowDialog();

   if (linkResult == LinkAccountDialog::CancelButtonIdentifier())
      return { AuthResult::Status::Cancelled, {} };

   if (linkResult == LinkAccountDialog::AlternativeButtonIdentifier())
      return { AuthResult::Status::UseAlternative, {} };

   std::promise<std::optional<AuthResult>> promise;

   auto authSubscription = oauthService.Subscribe(
      [&promise](auto& result)
      {
         promise.set_value(
            result.authorised ?
               AuthResult { AuthResult::Status::Authorised, {} } :
               AuthResult { AuthResult::Status::Failure,
                            std::string(result.errorMessage) });
      });

   LoginDialog::SignIn(nullptr, LoginDialog::Mode::SignIn);

   auto waitResult = WaitForAuth(promise.get_future(), project);

   if (waitResult)
      return *waitResult;

   return AuthResult { AuthResult::Status::Failure, {} };
}

AuthorizationHandler::AuthorizationHandler()
    : mAuthStateChangedSubscription(GetOAuthService().Subscribe(
         [this](const auto& message) { OnAuthStateChanged(message); }))
{
}

void AuthorizationHandler::PushSuppressDialogs()
{
   ++mSuppressed;
}

void AuthorizationHandler::PopSuppressDialogs()
{
   assert(mSuppressed > 0);

   if (mSuppressed > 0)
      --mSuppressed;
}

void AuthorizationHandler::OnAuthStateChanged(
   const AuthStateChangedMessage& message)
{
   if (mSuppressed > 0 || message.silent)
      return;

   if (!message.errorMessage.empty())
   {
      LinkFailedDialog dialog { nullptr, message.trace };
      dialog.ShowModal();
   }
   else if (message.authorised)
   {
      LinkSucceededDialog dialog { nullptr };
      dialog.ShowModal();
   }
}
} // namespace audacity::cloud::audiocom