src/moonshot-server.vala

   1 #if IPC_DBUS
   2
   3 [DBus (name = "org.janet.Moonshot")]
   4 public class MoonshotServer : Object {
   5
   6     private MainWindow main_window;
   7
   8     public MoonshotServer (Gtk.Window window)
   9     {
  10         this.main_window = (MainWindow) window;
  11     }
  12
  13     public async bool get_identity (string nai,
  14                                     string password,
  15                                     string service,
  16                                     out string nai_out,
  17                                     out string password_out,
  18                                     out string server_certificate_hash,
  19                                     out string ca_certificate,
  20                                     out string subject_name_constraint,
  21                                     out string subject_alt_name_constraint)
  22     {
  23         var request = new IdentityRequest (main_window,
  24                                            nai,
  25                                            password,
  26                                            service);
  27         request.set_callback ((IdentityRequest) => get_identity.callback());
  28         request.execute ();
  29         yield;
  30
  31         nai_out = "";
  32         password_out = "";
  33         server_certificate_hash = "";
  34         ca_certificate = "";
  35         subject_name_constraint = "";
  36         subject_alt_name_constraint = "";
  37
  38         var id_card = request.id_card;
  39
  40         if (id_card != null) {
  41             nai_out = id_card.nai;
  42             password_out = id_card.password;
  43
  44             server_certificate_hash = "certificate";
  45
  46             // User should have been prompted if there was no p/w.
  47             return_if_fail (nai_out != null);
  48             return_if_fail (password_out != null);
  49
  50             return true;
  51         }
  52
  53         return false;
  54     }
  55
  56     public async bool get_default_identity (out string nai_out,
  57                                             out string password_out,
  58                                             out string server_certificate_hash,
  59                                             out string ca_certificate,
  60                                             out string subject_name_constraint,
  61                                             out string subject_alt_name_constraint)
  62     {
  63         var request = new IdentityRequest.default (main_window);
  64         request.set_callback ((IdentityRequest) => get_default_identity.callback());
  65         request.execute ();
  66         yield;
  67
  68         nai_out = "";
  69         password_out = "";
  70         server_certificate_hash = "";
  71         ca_certificate = "";
  72         subject_name_constraint = "";
  73         subject_alt_name_constraint = "";
  74
  75         if (request.id_card != null)
  76         {
  77             nai_out = request.id_card.nai;
  78             password_out = request.id_card.password;
  79
  80             server_certificate_hash = "certificate";
  81
  82             // User should have been prompted if there was no p/w.
  83             return_val_if_fail (nai_out != null, false);
  84             return_val_if_fail (password_out != null, false);
  85
  86             return true;
  87         }
  88
  89         return false;
  90     }
  91 }
  92
  93 #elif IPC_MSRPC
  94
  95 using Rpc;
  96 using MoonshotRpcInterface;
  97
  98 /* This class must be a singleton, because we use a global RPC
  99  * binding handle. I cannot picture a situation where more than
 100  * one instance of the same interface would be needed so this
 101  * shouldn't be a problem.
 102  *
 103  * Shutdown is automatically done by the RPC runtime when the
 104  * process ends
 105  */
 106 public class MoonshotServer : Object {
 107     private static MainWindow main_window;
 108
 109     private static MoonshotServer instance = null;
 110
 111     public static void start (Gtk.Window window)
 112     {
 113         main_window = (MainWindow) window;
 114         Rpc.server_start (MoonshotRpcInterface.spec, "/org/janet/Moonshot", Rpc.Flags.PER_USER);
 115     }
 116
 117     public static MoonshotServer get_instance ()
 118     {
 119         if (instance == null)
 120             instance = new MoonshotServer ();
 121         return instance;
 122     }
 123
 124     [CCode (cname = "moonshot_get_identity_rpc")]
 125     public static void get_identity (Rpc.AsyncCall call,
 126                                      string nai,
 127                                      string password,
 128                                      string service,
 129                                      ref string nai_out,
 130                                      ref string password_out,
 131                                      ref string server_certificate_hash,
 132                                      ref string ca_certificate,
 133                                      ref string subject_name_constraint,
 134                                      ref string subject_alt_name_constraint)
 135     {
 136         bool result = false;
 137
 138         var request = new IdentityRequest (main_window,
 139                                            nai,
 140                                            password,
 141                                            service);
 142
 143         // Pass execution to the main loop and block the RPC thread
 144         request.mutex = new Mutex ();
 145         request.cond = new Cond ();
 146         request.set_callback (return_identity_cb);
 147
 148         request.mutex.lock ();
 149         Idle.add (request.execute);
 150
 151         while (request.complete == false)
 152             request.cond.wait (request.mutex);
 153
 154         nai_out = "";
 155         password_out = "";
 156         server_certificate_hash = "";
 157         ca_certificate = "";
 158         subject_name_constraint = "";
 159         subject_alt_name_constraint = "";
 160
 161         var id_card = request.id_card;
 162
 163         if (id_card == null) {
 164             // The strings are freed by the RPC runtime
 165             nai_out = id_card.nai;
 166             password_out = id_card.password;
 167             server_certificate_hash = "certificate";
 168
 169             return_if_fail (nai_out != null);
 170             return_if_fail (password_out != null);
 171
 172             result = true;
 173         }
 174
 175         // The outputs must be set before this function is called. For this
 176         // reason they are 'ref' not 'out' parameters - Vala assigns to the
 177         // 'out' parameters only at the end of the function, which is too
 178         // late.
 179         call.return (&result);
 180
 181         request.cond.signal ();
 182         request.mutex.unlock ();
 183     }
 184
 185     [CCode (cname = "moonshot_get_default_identity_rpc")]
 186     public static void get_default_identity (Rpc.AsyncCall call,
 187                                              ref string nai_out,
 188                                              ref string password_out)
 189     {
 190         bool result;
 191
 192         var request = new IdentityRequest.default (main_window);
 193         request.mutex = new Mutex ();
 194         request.cond = new Cond ();
 195         request.set_callback (return_identity_cb);
 196
 197         request.mutex.lock ();
 198         Idle.add (request.execute);
 199
 200         while (request.complete == false)
 201             request.cond.wait (request.mutex);
 202
 203         nai_out = "";
 204         password_out = "";
 205
 206         if (request.id_card != null)
 207         {
 208             nai_out = request.id_card.nai;
 209             password_out = request.id_card.password;
 210
 211             return_if_fail (nai_out != null);
 212             return_if_fail (password_out != null);
 213
 214             result = true;
 215         }
 216         else
 217         {
 218             result = false;
 219         }
 220
 221         call.return (&result);
 222
 223         request.cond.signal ();
 224         request.mutex.unlock ();
 225     }
 226
 227     // Called from the main loop thread when an identity has
 228     // been selected
 229     static void return_identity_cb (IdentityRequest request) {
 230         // Notify the RPC thread that the request is complete
 231         request.mutex.lock ();
 232         request.cond.signal ();
 233
 234         // Block the main loop until the RPC call has returned
 235         // to avoid any races
 236         request.cond.wait (request.mutex);
 237         request.mutex.unlock ();
 238     }
 239 }
 240
 241 #endif