camel/camel-service.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /* camel-service.c : Abstract class for an email service */
   3
   4 /*
   5  *
   6  * Author :
   7  *  Bertrand Guiheneuf <bertrand@helixcode.com>
   8  *
   9  * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
  10  *
  11  * This program is free software; you can redistribute it and/or
  12  * modify it under the terms of version 2 of the GNU Lesser General Public
  13  * License as published by the Free Software Foundation.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU Lesser General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
  23  * USA
  24  */
  25
  26 #ifdef HAVE_CONFIG_H
  27 #include <config.h>
  28 #endif
  29
  30 #include <ctype.h>
  31 #include <errno.h>
  32 #include <stdlib.h>
  33 #include <string.h>
  34
  35 #include <glib/gstdio.h>
  36 #include <glib/gi18n-lib.h>
  37
  38 #include <libedataserver/e-data-server-util.h>
  39
  40 #include "camel-debug.h"
  41 #include "camel-operation.h"
  42 #include "camel-service.h"
  43 #include "camel-session.h"
  44
  45 #define d(x)
  46 #define w(x)
  47
  48 #define CAMEL_SERVICE_GET_PRIVATE(obj) \
  49         (G_TYPE_INSTANCE_GET_PRIVATE \
  50         ((obj), CAMEL_TYPE_SERVICE, CamelServicePrivate))
  51
  52 typedef struct _AsyncContext AsyncContext;
  53
  54 struct _CamelServicePrivate {
  55         gpointer session;  /* weak pointer */
  56
  57         CamelSettings *settings;
  58         CamelProvider *provider;
  59         CamelURL *url;
  60
  61         gchar *display_name;
  62         gchar *user_data_dir;
  63         gchar *uid;
  64
  65         GCancellable *connect_op;
  66         CamelServiceConnectionStatus status;
  67
  68         GStaticRecMutex connect_lock;   /* for locking connection operations */
  69         GStaticMutex connect_op_lock;   /* for locking the connection_op */
  70 };
  71
  72 struct _AsyncContext {
  73         GList *auth_types;
  74 };
  75
  76 enum {
  77         PROP_0,
  78         PROP_DISPLAY_NAME,
  79         PROP_PROVIDER,
  80         PROP_SESSION,
  81         PROP_SETTINGS,
  82         PROP_UID,
  83         PROP_URL
  84 };
  85
  86 /* Forward Declarations */
  87 static void camel_service_initable_init (GInitableIface *interface);
  88
  89 G_DEFINE_ABSTRACT_TYPE_WITH_CODE (
  90         CamelService, camel_service, CAMEL_TYPE_OBJECT,
  91         G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE, camel_service_initable_init))
  92
  93 static void
  94 async_context_free (AsyncContext *async_context)
  95 {
  96         g_list_free (async_context->auth_types);
  97
  98         g_slice_free (AsyncContext, async_context);
  99 }
 100
 101 static gchar *
 102 service_find_old_data_dir (CamelService *service)
 103 {
 104         CamelProvider *provider;
 105         CamelSession *session;
 106         CamelURL *url;
 107         GString *path;
 108         gboolean allows_host;
 109         gboolean allows_user;
 110         gboolean needs_host;
 111         gboolean needs_path;
 112         gboolean needs_user;
 113         const gchar *base_dir;
 114         gchar *old_data_dir;
 115
 116         provider = camel_service_get_provider (service);
 117         session = camel_service_get_session (service);
 118         url = camel_service_get_camel_url (service);
 119
 120         allows_host = CAMEL_PROVIDER_ALLOWS (provider, CAMEL_URL_PART_HOST);
 121         allows_user = CAMEL_PROVIDER_ALLOWS (provider, CAMEL_URL_PART_USER);
 122
 123         needs_host = CAMEL_PROVIDER_NEEDS (provider, CAMEL_URL_PART_HOST);
 124         needs_path = CAMEL_PROVIDER_NEEDS (provider, CAMEL_URL_PART_PATH);
 125         needs_user = CAMEL_PROVIDER_NEEDS (provider, CAMEL_URL_PART_USER);
 126
 127         /* This function reproduces the way service data directories used
 128          * to be determined before we moved to just using the UID.  If the
 129          * old data directory exists, try renaming it to the new form.
 130          *
 131          * A virtual class method was used to determine the directory path,
 132          * but no known CamelProviders ever overrode the default algorithm
 133          * below.  So this should work for everyone. */
 134
 135         path = g_string_new (provider->protocol);
 136
 137         if (allows_user) {
 138                 g_string_append_c (path, '/');
 139                 if (url->user != NULL)
 140                         g_string_append (path, url->user);
 141                 if (allows_host) {
 142                         g_string_append_c (path, '@');
 143                         if (url->host != NULL)
 144                                 g_string_append (path, url->host);
 145                         if (url->port) {
 146                                 g_string_append_c (path, ':');
 147                                 g_string_append_printf (path, "%d", url->port);
 148                         }
 149                 } else if (!needs_user) {
 150                         g_string_append_c (path, '@');
 151                 }
 152
 153         } else if (allows_host) {
 154                 g_string_append_c (path, '/');
 155                 if (!needs_host)
 156                         g_string_append_c (path, '@');
 157                 if (url->host != NULL)
 158                         g_string_append (path, url->host);
 159                 if (url->port) {
 160                         g_string_append_c (path, ':');
 161                         g_string_append_printf (path, "%d", url->port);
 162                 }
 163         }
 164
 165         if (needs_path) {
 166                 if (*url->path != '/')
 167                         g_string_append_c (path, '/');
 168                 g_string_append (path, url->path);
 169         }
 170
 171         base_dir = camel_session_get_user_data_dir (session);
 172         old_data_dir = g_build_filename (base_dir, path->str, NULL);
 173
 174         g_string_free (path, TRUE);
 175
 176         if (!g_file_test (old_data_dir, G_FILE_TEST_IS_DIR)) {
 177                 g_free (old_data_dir);
 178                 old_data_dir = NULL;
 179         }
 180
 181         return old_data_dir;
 182 }
 183
 184 static void
 185 service_set_provider (CamelService *service,
 186                       CamelProvider *provider)
 187 {
 188         g_return_if_fail (provider != NULL);
 189         g_return_if_fail (service->priv->provider == NULL);
 190
 191         service->priv->provider = provider;
 192 }
 193
 194 static void
 195 service_set_session (CamelService *service,
 196                      CamelSession *session)
 197 {
 198         g_return_if_fail (CAMEL_IS_SESSION (session));
 199         g_return_if_fail (service->priv->session == NULL);
 200
 201         service->priv->session = session;
 202
 203         g_object_add_weak_pointer (
 204                 G_OBJECT (session), &service->priv->session);
 205 }
 206
 207 static void
 208 service_set_uid (CamelService *service,
 209                  const gchar *uid)
 210 {
 211         g_return_if_fail (uid != NULL);
 212         g_return_if_fail (service->priv->uid == NULL);
 213
 214         service->priv->uid = g_strdup (uid);
 215 }
 216
 217 static void
 218 service_set_url (CamelService *service,
 219                  CamelURL *url)
 220 {
 221         g_return_if_fail (url != NULL);
 222         g_return_if_fail (service->priv->url == NULL);
 223
 224         service->priv->url = camel_url_copy (url);
 225 }
 226
 227 static void
 228 service_set_property (GObject *object,
 229                       guint property_id,
 230                       const GValue *value,
 231                       GParamSpec *pspec)
 232 {
 233         switch (property_id) {
 234                 case PROP_DISPLAY_NAME:
 235                         camel_service_set_display_name (
 236                                 CAMEL_SERVICE (object),
 237                                 g_value_get_string (value));
 238                         return;
 239
 240                 case PROP_PROVIDER:
 241                         service_set_provider (
 242                                 CAMEL_SERVICE (object),
 243                                 g_value_get_pointer (value));
 244                         return;
 245
 246                 case PROP_SESSION:
 247                         service_set_session (
 248                                 CAMEL_SERVICE (object),
 249                                 g_value_get_object (value));
 250                         return;
 251
 252                 case PROP_SETTINGS:
 253                         camel_service_set_settings (
 254                                 CAMEL_SERVICE (object),
 255                                 g_value_get_object (value));
 256                         return;
 257
 258                 case PROP_UID:
 259                         service_set_uid (
 260                                 CAMEL_SERVICE (object),
 261                                 g_value_get_string (value));
 262                         return;
 263
 264                 case PROP_URL:
 265                         service_set_url (
 266                                 CAMEL_SERVICE (object),
 267                                 g_value_get_boxed (value));
 268                         return;
 269         }
 270
 271         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
 272 }
 273
 274 static void
 275 service_get_property (GObject *object,
 276                       guint property_id,
 277                       GValue *value,
 278                       GParamSpec *pspec)
 279 {
 280         switch (property_id) {
 281                 case PROP_DISPLAY_NAME:
 282                         g_value_set_string (
 283                                 value, camel_service_get_display_name (
 284                                 CAMEL_SERVICE (object)));
 285                         return;
 286
 287                 case PROP_PROVIDER:
 288                         g_value_set_pointer (
 289                                 value, camel_service_get_provider (
 290                                 CAMEL_SERVICE (object)));
 291                         return;
 292
 293                 case PROP_SESSION:
 294                         g_value_set_object (
 295                                 value, camel_service_get_session (
 296                                 CAMEL_SERVICE (object)));
 297                         return;
 298
 299                 case PROP_SETTINGS:
 300                         g_value_set_object (
 301                                 value, camel_service_get_settings (
 302                                 CAMEL_SERVICE (object)));
 303                         return;
 304
 305                 case PROP_UID:
 306                         g_value_set_string (
 307                                 value, camel_service_get_uid (
 308                                 CAMEL_SERVICE (object)));
 309                         return;
 310
 311                 case PROP_URL:
 312                         g_value_set_boxed (
 313                                 value, camel_service_get_url (
 314                                 CAMEL_SERVICE (object)));
 315                         return;
 316         }
 317
 318         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
 319 }
 320
 321 static void
 322 service_dispose (GObject *object)
 323 {
 324         CamelServicePrivate *priv;
 325
 326         priv = CAMEL_SERVICE_GET_PRIVATE (object);
 327
 328         if (priv->session != NULL) {
 329                 g_object_remove_weak_pointer (
 330                         G_OBJECT (priv->session), &priv->session);
 331                 priv->session = NULL;
 332         }
 333
 334         if (priv->settings != NULL) {
 335                 g_object_unref (priv->settings);
 336                 priv->settings = NULL;
 337         }
 338
 339         /* Chain up to parent's dispose() method. */
 340         G_OBJECT_CLASS (camel_service_parent_class)->dispose (object);
 341 }
 342
 343 static void
 344 service_finalize (GObject *object)
 345 {
 346         CamelServicePrivate *priv;
 347
 348         priv = CAMEL_SERVICE_GET_PRIVATE (object);
 349
 350         if (priv->status == CAMEL_SERVICE_CONNECTED)
 351                 CAMEL_SERVICE_GET_CLASS (object)->disconnect_sync (
 352                         CAMEL_SERVICE (object), TRUE, NULL, NULL);
 353
 354         if (priv->url != NULL)
 355                 camel_url_free (priv->url);
 356
 357         g_free (priv->display_name);
 358         g_free (priv->user_data_dir);
 359         g_free (priv->uid);
 360
 361         g_static_rec_mutex_free (&priv->connect_lock);
 362         g_static_mutex_free (&priv->connect_op_lock);
 363
 364         /* Chain up to parent's finalize() method. */
 365         G_OBJECT_CLASS (camel_service_parent_class)->finalize (object);
 366 }
 367
 368 static void
 369 service_constructed (GObject *object)
 370 {
 371         CamelService *service;
 372         CamelSession *session;
 373         const gchar *base_data_dir;
 374         const gchar *uid;
 375
 376         /* Chain up to parent's constructed() method. */
 377         G_OBJECT_CLASS (camel_service_parent_class)->constructed (object);
 378
 379         service = CAMEL_SERVICE (object);
 380         session = camel_service_get_session (service);
 381
 382         uid = camel_service_get_uid (service);
 383         base_data_dir = camel_session_get_user_data_dir (session);
 384
 385         service->priv->user_data_dir =
 386                 g_build_filename (base_data_dir, uid, NULL);
 387 }
 388
 389 static gchar *
 390 service_get_name (CamelService *service,
 391                   gboolean brief)
 392 {
 393         g_warning (
 394                 "%s does not implement CamelServiceClass::get_name()",
 395                 G_OBJECT_TYPE_NAME (service));
 396
 397         return g_strdup (G_OBJECT_TYPE_NAME (service));
 398 }
 399
 400 static void
 401 service_cancel_connect (CamelService *service)
 402 {
 403         g_cancellable_cancel (service->priv->connect_op);
 404 }
 405
 406 static gboolean
 407 service_connect_sync (CamelService *service,
 408                       GCancellable *cancellable,
 409                       GError **error)
 410 {
 411         /* Things like the CamelMboxStore can validly
 412          * not define a connect function. */
 413          return TRUE;
 414 }
 415
 416 static gboolean
 417 service_disconnect_sync (CamelService *service,
 418                          gboolean clean,
 419                          GCancellable *cancellable,
 420                          GError **error)
 421 {
 422         /* We let people get away with not having a disconnect
 423          * function -- CamelMboxStore, for example. */
 424         return TRUE;
 425 }
 426
 427 static GList *
 428 service_query_auth_types_sync (CamelService *service,
 429                                GCancellable *cancellable,
 430                                GError **error)
 431 {
 432         return NULL;
 433 }
 434
 435 static void
 436 service_query_auth_types_thread (GSimpleAsyncResult *simple,
 437                                  GObject *object,
 438                                  GCancellable *cancellable)
 439 {
 440         AsyncContext *async_context;
 441         GError *error = NULL;
 442
 443         async_context = g_simple_async_result_get_op_res_gpointer (simple);
 444
 445         async_context->auth_types = camel_service_query_auth_types_sync (
 446                 CAMEL_SERVICE (object), cancellable, &error);
 447
 448         if (error != NULL) {
 449                 g_simple_async_result_set_from_error (simple, error);
 450                 g_error_free (error);
 451         }
 452 }
 453
 454 static void
 455 service_query_auth_types (CamelService *service,
 456                           gint io_priority,
 457                           GCancellable *cancellable,
 458                           GAsyncReadyCallback callback,
 459                           gpointer user_data)
 460 {
 461         GSimpleAsyncResult *simple;
 462         AsyncContext *async_context;
 463
 464         async_context = g_slice_new0 (AsyncContext);
 465
 466         simple = g_simple_async_result_new (
 467                 G_OBJECT (service), callback,
 468                 user_data, service_query_auth_types);
 469
 470         g_simple_async_result_set_op_res_gpointer (
 471                 simple, async_context, (GDestroyNotify) async_context_free);
 472
 473         g_simple_async_result_run_in_thread (
 474                 simple, service_query_auth_types_thread,
 475                 io_priority, cancellable);
 476
 477         g_object_unref (simple);
 478 }
 479
 480 static GList *
 481 service_query_auth_types_finish (CamelService *service,
 482                                  GAsyncResult *result,
 483                                  GError **error)
 484 {
 485         GSimpleAsyncResult *simple;
 486         AsyncContext *async_context;
 487
 488         g_return_val_if_fail (
 489                 g_simple_async_result_is_valid (
 490                 result, G_OBJECT (service),
 491                 service_query_auth_types), NULL);
 492
 493         simple = G_SIMPLE_ASYNC_RESULT (result);
 494         async_context = g_simple_async_result_get_op_res_gpointer (simple);
 495
 496         if (g_simple_async_result_propagate_error (simple, error))
 497                 return NULL;
 498
 499         return g_list_copy (async_context->auth_types);
 500 }
 501
 502 static gboolean
 503 service_initable_init (GInitable *initable,
 504                        GCancellable *cancellable,
 505                        GError **error)
 506 {
 507         CamelProvider *provider;
 508         CamelService *service;
 509         CamelURL *url;
 510         gboolean success = FALSE;
 511         const gchar *new_data_dir;
 512         gchar *old_data_dir;
 513         gchar *url_string;
 514
 515         service = CAMEL_SERVICE (initable);
 516         url = camel_service_get_camel_url (service);
 517         provider = camel_service_get_provider (service);
 518
 519         url_string = camel_url_to_string (url, CAMEL_URL_HIDE_PASSWORD);
 520
 521         if (CAMEL_PROVIDER_NEEDS (provider, CAMEL_URL_PART_USER)) {
 522                 if (url->user == NULL || *url->user == '\0') {
 523                         g_set_error (
 524                                 error, CAMEL_SERVICE_ERROR,
 525                                 CAMEL_SERVICE_ERROR_URL_INVALID,
 526                                 _("URL '%s' needs a user component"),
 527                                 url_string);
 528                         goto exit;
 529                 }
 530         }
 531
 532         if (CAMEL_PROVIDER_NEEDS (provider, CAMEL_URL_PART_HOST)) {
 533                 if (url->host == NULL || *url->host == '\0') {
 534                         g_set_error (
 535                                 error, CAMEL_SERVICE_ERROR,
 536                                 CAMEL_SERVICE_ERROR_URL_INVALID,
 537                                 _("URL '%s' needs a host component"),
 538                                 url_string);
 539                         goto exit;
 540                 }
 541         }
 542
 543         if (CAMEL_PROVIDER_NEEDS (provider, CAMEL_URL_PART_PATH)) {
 544                 if (url->path == NULL || *url->path == '\0') {
 545                         g_set_error (
 546                                 error, CAMEL_SERVICE_ERROR,
 547                                 CAMEL_SERVICE_ERROR_URL_INVALID,
 548                                 _("URL '%s' needs a path component"),
 549                                 url_string);
 550                         goto exit;
 551                 }
 552         }
 553
 554         new_data_dir = camel_service_get_user_data_dir (service);
 555         old_data_dir = service_find_old_data_dir (service);
 556
 557         /* If the old data directory name exists, try renaming
 558          * it to the new data directory.  Failure is non-fatal. */
 559         if (old_data_dir != NULL) {
 560                 g_rename (old_data_dir, new_data_dir);
 561                 g_free (old_data_dir);
 562         }
 563
 564         success = TRUE;
 565
 566 exit:
 567         g_free (url_string);
 568
 569         return success;
 570 }
 571
 572 static void
 573 camel_service_class_init (CamelServiceClass *class)
 574 {
 575         GObjectClass *object_class;
 576
 577         g_type_class_add_private (class, sizeof (CamelServicePrivate));
 578
 579         object_class = G_OBJECT_CLASS (class);
 580         object_class->set_property = service_set_property;
 581         object_class->get_property = service_get_property;
 582         object_class->dispose = service_dispose;
 583         object_class->finalize = service_finalize;
 584         object_class->constructed = service_constructed;
 585
 586         class->settings_type = CAMEL_TYPE_SETTINGS;
 587         class->get_name = service_get_name;
 588         class->cancel_connect = service_cancel_connect;
 589         class->connect_sync = service_connect_sync;
 590         class->disconnect_sync = service_disconnect_sync;
 591         class->query_auth_types_sync = service_query_auth_types_sync;
 592
 593         class->query_auth_types = service_query_auth_types;
 594         class->query_auth_types_finish = service_query_auth_types_finish;
 595
 596         g_object_class_install_property (
 597                 object_class,
 598                 PROP_DISPLAY_NAME,
 599                 g_param_spec_string (
 600                         "display-name",
 601                         "Display Name",
 602                         "The display name for the service",
 603                         NULL,
 604                         G_PARAM_READWRITE |
 605                         G_PARAM_CONSTRUCT |
 606                         G_PARAM_STATIC_STRINGS));
 607
 608         g_object_class_install_property (
 609                 object_class,
 610                 PROP_PROVIDER,
 611                 g_param_spec_pointer (
 612                         "provider",
 613                         "Provider",
 614                         "The CamelProvider for the service",
 615                         G_PARAM_READWRITE |
 616                         G_PARAM_CONSTRUCT_ONLY |
 617                         G_PARAM_STATIC_STRINGS));
 618
 619         g_object_class_install_property (
 620                 object_class,
 621                 PROP_SESSION,
 622                 g_param_spec_object (
 623                         "session",
 624                         "Session",
 625                         "A CamelSession instance",
 626                         CAMEL_TYPE_SESSION,
 627                         G_PARAM_READWRITE |
 628                         G_PARAM_CONSTRUCT_ONLY |
 629                         G_PARAM_STATIC_STRINGS));
 630
 631         g_object_class_install_property (
 632                 object_class,
 633                 PROP_SETTINGS,
 634                 g_param_spec_object (
 635                         "settings",
 636                         "Settings",
 637                         "A CamelSettings instance",
 638                         CAMEL_TYPE_SETTINGS,
 639                         G_PARAM_READWRITE |
 640                         G_PARAM_CONSTRUCT |
 641                         G_PARAM_STATIC_STRINGS));
 642
 643         g_object_class_install_property (
 644                 object_class,
 645                 PROP_UID,
 646                 g_param_spec_string (
 647                         "uid",
 648                         "UID",
 649                         "The unique identity of the service",
 650                         NULL,
 651                         G_PARAM_READWRITE |
 652                         G_PARAM_CONSTRUCT_ONLY |
 653                         G_PARAM_STATIC_STRINGS));
 654
 655         g_object_class_install_property (
 656                 object_class,
 657                 PROP_URL,
 658                 g_param_spec_boxed (
 659                         "url",
 660                         "URL",
 661                         "The CamelURL for the service",
 662                         CAMEL_TYPE_URL,
 663                         G_PARAM_READWRITE |
 664                         G_PARAM_CONSTRUCT_ONLY |
 665                         G_PARAM_STATIC_STRINGS));
 666 }
 667
 668 static void
 669 camel_service_initable_init (GInitableIface *interface)
 670 {
 671         interface->init = service_initable_init;
 672 }
 673
 674 static void
 675 camel_service_init (CamelService *service)
 676 {
 677         service->priv = CAMEL_SERVICE_GET_PRIVATE (service);
 678
 679         service->priv->status = CAMEL_SERVICE_DISCONNECTED;
 680
 681         g_static_rec_mutex_init (&service->priv->connect_lock);
 682         g_static_mutex_init (&service->priv->connect_op_lock);
 683 }
 684
 685 GQuark
 686 camel_service_error_quark (void)
 687 {
 688         static GQuark quark = 0;
 689
 690         if (G_UNLIKELY (quark == 0)) {
 691                 const gchar *string = "camel-service-error-quark";
 692                 quark = g_quark_from_static_string (string);
 693         }
 694
 695         return quark;
 696 }
 697
 698 /**
 699  * camel_service_cancel_connect:
 700  * @service: a #CamelService
 701  *
 702  * If @service is currently attempting to connect to or disconnect
 703  * from a server, this causes it to stop and fail. Otherwise it is a
 704  * no-op.
 705  **/
 706 void
 707 camel_service_cancel_connect (CamelService *service)
 708 {
 709         CamelServiceClass *class;
 710
 711         g_return_if_fail (CAMEL_IS_SERVICE (service));
 712
 713         class = CAMEL_SERVICE_GET_CLASS (service);
 714         g_return_if_fail (class->cancel_connect != NULL);
 715
 716         camel_service_lock (service, CAMEL_SERVICE_CONNECT_OP_LOCK);
 717         if (service->priv->connect_op)
 718                 class->cancel_connect (service);
 719         camel_service_unlock (service, CAMEL_SERVICE_CONNECT_OP_LOCK);
 720 }
 721
 722 /**
 723  * camel_service_get_display_name:
 724  * @service: a #CamelService
 725  *
 726  * Returns the display name for @service, or %NULL if @service has not
 727  * been given a display name.  The display name is intended for use in
 728  * a user interface and should generally be given a user-defined name.
 729  *
 730  * Compare this with camel_service_get_name(), which returns a built-in
 731  * description of the type of service (IMAP, SMTP, etc.).
 732  *
 733  * Returns: the display name for @service, or %NULL
 734  *
 735  * Since: 3.2
 736  **/
 737 const gchar *
 738 camel_service_get_display_name (CamelService *service)
 739 {
 740         g_return_val_if_fail (CAMEL_IS_SERVICE (service), NULL);
 741
 742         return service->priv->display_name;
 743 }
 744
 745 /**
 746  * camel_service_set_display_name:
 747  * @service: a #CamelService
 748  * @display_name: a valid UTF-8 string, or %NULL
 749  *
 750  * Assigns a UTF-8 display name to @service.  The display name is intended
 751  * for use in a user interface and should generally be given a user-defined
 752  * name.
 753  *
 754  * Compare this with camel_service_get_name(), which returns a built-in
 755  * description of the type of service (IMAP, SMTP, etc.).
 756  *
 757  * Since: 3.2
 758  **/
 759 void
 760 camel_service_set_display_name (CamelService *service,
 761                                 const gchar *display_name)
 762 {
 763         g_return_if_fail (CAMEL_IS_SERVICE (service));
 764
 765         if (display_name != NULL)
 766                 g_return_if_fail (g_utf8_validate (display_name, -1, NULL));
 767
 768         g_free (service->priv->display_name);
 769         service->priv->display_name = g_strdup (display_name);
 770
 771         g_object_notify (G_OBJECT (service), "display-name");
 772 }
 773
 774 /**
 775  * camel_service_get_user_data_dir:
 776  * @service: a #CamelService
 777  *
 778  * Returns the base directory under which to store user-specific data
 779  * for @service.  The directory is formed by appending the directory
 780  * returned by camel_session_get_user_data_dir() with the service's
 781  * #CamelService:uid value.
 782  *
 783  * Returns: the base directory for @service
 784  *
 785  * Since: 3.2
 786  **/
 787 const gchar *
 788 camel_service_get_user_data_dir (CamelService *service)
 789 {
 790         g_return_val_if_fail (CAMEL_IS_SERVICE (service), NULL);
 791
 792         return service->priv->user_data_dir;
 793 }
 794
 795 /**
 796  * camel_service_get_name:
 797  * @service: a #CamelService
 798  * @brief: whether or not to use a briefer form
 799  *
 800  * This gets the name of the service in a "friendly" (suitable for
 801  * humans) form. If @brief is %TRUE, this should be a brief description
 802  * such as for use in the folder tree. If @brief is %FALSE, it should
 803  * be a more complete and mostly unambiguous description.
 804  *
 805  * Returns: a description of the service which the caller must free
 806  **/
 807 gchar *
 808 camel_service_get_name (CamelService *service,
 809                         gboolean brief)
 810 {
 811         CamelServiceClass *class;
 812
 813         g_return_val_if_fail (CAMEL_IS_SERVICE (service), NULL);
 814         g_return_val_if_fail (service->priv->url, NULL);
 815
 816         class = CAMEL_SERVICE_GET_CLASS (service);
 817         g_return_val_if_fail (class->get_name != NULL, NULL);
 818
 819         return class->get_name (service, brief);
 820 }
 821
 822 /**
 823  * camel_service_get_provider:
 824  * @service: a #CamelService
 825  *
 826  * Gets the #CamelProvider associated with the service.
 827  *
 828  * Returns: the #CamelProvider
 829  **/
 830 CamelProvider *
 831 camel_service_get_provider (CamelService *service)
 832 {
 833         g_return_val_if_fail (CAMEL_IS_SERVICE (service), NULL);
 834
 835         return service->priv->provider;
 836 }
 837
 838 /**
 839  * camel_service_get_session:
 840  * @service: a #CamelService
 841  *
 842  * Gets the #CamelSession associated with the service.
 843  *
 844  * Returns: the #CamelSession
 845  **/
 846 CamelSession *
 847 camel_service_get_session (CamelService *service)
 848 {
 849         g_return_val_if_fail (CAMEL_IS_SERVICE (service), NULL);
 850
 851         return CAMEL_SESSION (service->priv->session);
 852 }
 853
 854 /**
 855  * camel_service_get_settings:
 856  * @service: a #CamelService
 857  *
 858  * Returns the #CamelSettings instance associated with the service.
 859  *
 860  * Returns: the #CamelSettings
 861  *
 862  * Since: 3.2
 863  **/
 864 CamelSettings *
 865 camel_service_get_settings (CamelService *service)
 866 {
 867         g_return_val_if_fail (CAMEL_IS_SERVICE (service), NULL);
 868
 869         /* Every service should have a settings object. */
 870         g_warn_if_fail (service->priv->settings != NULL);
 871
 872         return service->priv->settings;
 873 }
 874
 875 /**
 876  * camel_service_set_settings:
 877  * @service: a #CamelService
 878  * @settings: an instance derviced from #CamelSettings, or %NULL
 879  *
 880  * Associates a new #CamelSettings instance with the service.
 881  * The @settings instance must match the settings type defined in
 882  * #CamelServiceClass.  If @settings is %NULL, a new #CamelSettings
 883  * instance of the appropriate type is created with all properties
 884  * set to defaults.
 885  *
 886  * Since: 3.2
 887  **/
 888 void
 889 camel_service_set_settings (CamelService *service,
 890                             CamelSettings *settings)
 891 {
 892         CamelServiceClass *class;
 893
 894         g_return_if_fail (CAMEL_IS_SERVICE (service));
 895
 896         class = CAMEL_SERVICE_GET_CLASS (service);
 897
 898         if (settings != NULL) {
 899                 g_return_if_fail (
 900                         g_type_is_a (
 901                                 G_OBJECT_TYPE (settings),
 902                                 class->settings_type));
 903                 g_object_ref (settings);
 904
 905         } else {
 906                 g_return_if_fail (
 907                         g_type_is_a (
 908                                 class->settings_type,
 909                                 CAMEL_TYPE_SETTINGS));
 910                 settings = g_object_new (class->settings_type, NULL);
 911                 camel_settings_load_from_url (settings, camel_service_get_camel_url (service));
 912         }
 913
 914         if (service->priv->settings != NULL)
 915                 g_object_unref (service->priv->settings);
 916
 917         service->priv->settings = settings;
 918
 919         g_object_notify (G_OBJECT (service), "settings");
 920 }
 921
 922 /**
 923  * camel_service_get_uid:
 924  * @service: a #CamelService
 925  *
 926  * Gets the unique identifier string associated with the service.
 927  *
 928  * Returns: the UID string
 929  *
 930  * Since: 3.2
 931  **/
 932 const gchar *
 933 camel_service_get_uid (CamelService *service)
 934 {
 935         g_return_val_if_fail (CAMEL_IS_SERVICE (service), NULL);
 936
 937         return service->priv->uid;
 938 }
 939
 940 /**
 941  * camel_service_get_camel_url:
 942  * @service: a #CamelService
 943  *
 944  * Returns the #CamelURL representing @service.
 945  *
 946  * Returns: the #CamelURL representing @service
 947  *
 948  * Since: 3.2
 949  **/
 950 CamelURL *
 951 camel_service_get_camel_url (CamelService *service)
 952 {
 953         g_return_val_if_fail (CAMEL_IS_SERVICE (service), NULL);
 954
 955         return service->priv->url;
 956 }
 957
 958 /**
 959  * camel_service_get_url:
 960  * @service: a #CamelService
 961  *
 962  * Gets the URL representing @service. The returned URL must be
 963  * freed when it is no longer needed. For security reasons, this
 964  * routine does not return the password.
 965  *
 966  * Returns: the URL representing @service
 967  **/
 968 gchar *
 969 camel_service_get_url (CamelService *service)
 970 {
 971         CamelURL *url;
 972
 973         g_return_val_if_fail (CAMEL_IS_SERVICE (service), NULL);
 974
 975         url = camel_service_get_camel_url (service);
 976
 977         return camel_url_to_string (url, CAMEL_URL_HIDE_PASSWORD);
 978 }
 979
 980 /**
 981  * camel_service_connect_sync:
 982  * @service: a #CamelService
 983  * @error: return location for a #GError, or %NULL
 984  *
 985  * Connect to the service using the parameters it was initialized
 986  * with.
 987  *
 988  * Returns: %TRUE if the connection is made or %FALSE otherwise
 989  **/
 990 gboolean
 991 camel_service_connect_sync (CamelService *service,
 992                             GError **error)
 993 {
 994         CamelServiceClass *class;
 995         GCancellable *op;
 996         gboolean ret = FALSE;
 997
 998         g_return_val_if_fail (CAMEL_IS_SERVICE (service), FALSE);
 999         g_return_val_if_fail (service->priv->session != NULL, FALSE);
1000         g_return_val_if_fail (service->priv->url != NULL, FALSE);
1001
1002         class = CAMEL_SERVICE_GET_CLASS (service);
1003         g_return_val_if_fail (class->connect_sync != NULL, FALSE);
1004
1005         camel_service_lock (service, CAMEL_SERVICE_REC_CONNECT_LOCK);
1006
1007         if (service->priv->status == CAMEL_SERVICE_CONNECTED) {
1008                 camel_service_unlock (service, CAMEL_SERVICE_REC_CONNECT_LOCK);
1009                 return TRUE;
1010         }
1011
1012         /* Register a separate operation for connecting, so that
1013          * the offline code can cancel it. */
1014         camel_service_lock (service, CAMEL_SERVICE_CONNECT_OP_LOCK);
1015         service->priv->connect_op = camel_operation_new ();
1016         op = service->priv->connect_op;
1017         camel_service_unlock (service, CAMEL_SERVICE_CONNECT_OP_LOCK);
1018
1019         service->priv->status = CAMEL_SERVICE_CONNECTING;
1020         ret = class->connect_sync (service, service->priv->connect_op, error);
1021         CAMEL_CHECK_GERROR (service, connect_sync, ret, error);
1022         service->priv->status =
1023                 ret ? CAMEL_SERVICE_CONNECTED : CAMEL_SERVICE_DISCONNECTED;
1024
1025         camel_service_lock (service, CAMEL_SERVICE_CONNECT_OP_LOCK);
1026         g_object_unref (op);
1027         if (op == service->priv->connect_op)
1028                 service->priv->connect_op = NULL;
1029         camel_service_unlock (service, CAMEL_SERVICE_CONNECT_OP_LOCK);
1030
1031         camel_service_unlock (service, CAMEL_SERVICE_REC_CONNECT_LOCK);
1032
1033         return ret;
1034 }
1035
1036 /**
1037  * camel_service_disconnect_sync:
1038  * @service: a #CamelService
1039  * @clean: whether or not to try to disconnect cleanly
1040  * @error: return location for a #GError, or %NULL
1041  *
1042  * Disconnect from the service. If @clean is %FALSE, it should not
1043  * try to do any synchronizing or other cleanup of the connection.
1044  *
1045  * Returns: %TRUE if the disconnect was successful or %FALSE otherwise
1046  **/
1047 gboolean
1048 camel_service_disconnect_sync (CamelService *service,
1049                                gboolean clean,
1050                                GError **error)
1051 {
1052         CamelServiceClass *class;
1053         gboolean res = TRUE;
1054
1055         g_return_val_if_fail (CAMEL_IS_SERVICE (service), FALSE);
1056
1057         class = CAMEL_SERVICE_GET_CLASS (service);
1058         g_return_val_if_fail (class->disconnect_sync != NULL, FALSE);
1059
1060         camel_service_lock (service, CAMEL_SERVICE_REC_CONNECT_LOCK);
1061
1062         if (service->priv->status != CAMEL_SERVICE_DISCONNECTED
1063             && service->priv->status != CAMEL_SERVICE_DISCONNECTING) {
1064                 GCancellable *op;
1065                 camel_service_lock (service, CAMEL_SERVICE_CONNECT_OP_LOCK);
1066                 service->priv->connect_op = camel_operation_new ();
1067                 op = service->priv->connect_op;
1068                 camel_service_unlock (service, CAMEL_SERVICE_CONNECT_OP_LOCK);
1069
1070                 service->priv->status = CAMEL_SERVICE_DISCONNECTING;
1071                 res = class->disconnect_sync (
1072                         service, clean, service->priv->connect_op, error);
1073                 CAMEL_CHECK_GERROR (service, disconnect_sync, res, error);
1074                 service->priv->status = CAMEL_SERVICE_DISCONNECTED;
1075
1076                 camel_service_lock (service, CAMEL_SERVICE_CONNECT_OP_LOCK);
1077                 g_object_unref (op);
1078                 if (op == service->priv->connect_op)
1079                         service->priv->connect_op = NULL;
1080                 camel_service_unlock (service, CAMEL_SERVICE_CONNECT_OP_LOCK);
1081         }
1082
1083         camel_service_unlock (service, CAMEL_SERVICE_REC_CONNECT_LOCK);
1084
1085         service->priv->status = CAMEL_SERVICE_DISCONNECTED;
1086
1087         return res;
1088 }
1089
1090 /**
1091  * camel_service_get_connection_status:
1092  * @service: a #CamelService
1093  *
1094  * Returns the connection status for @service.
1095  *
1096  * Returns: the connection status
1097  *
1098  * Since: 3.2
1099  **/
1100 CamelServiceConnectionStatus
1101 camel_service_get_connection_status (CamelService *service)
1102 {
1103         g_return_val_if_fail (
1104                 CAMEL_IS_SERVICE (service), CAMEL_SERVICE_DISCONNECTED);
1105
1106         return service->priv->status;
1107 }
1108
1109 /**
1110  * camel_service_lock:
1111  * @service: a #CamelService
1112  * @lock: lock type to lock
1113  *
1114  * Locks @service's @lock. Unlock it with camel_service_unlock().
1115  *
1116  * Since: 2.32
1117  **/
1118 void
1119 camel_service_lock (CamelService *service,
1120                     CamelServiceLock lock)
1121 {
1122         g_return_if_fail (CAMEL_IS_SERVICE (service));
1123
1124         switch (lock) {
1125                 case CAMEL_SERVICE_REC_CONNECT_LOCK:
1126                         g_static_rec_mutex_lock (&service->priv->connect_lock);
1127                         break;
1128                 case CAMEL_SERVICE_CONNECT_OP_LOCK:
1129                         g_static_mutex_lock (&service->priv->connect_op_lock);
1130                         break;
1131                 default:
1132                         g_return_if_reached ();
1133         }
1134 }
1135
1136 /**
1137  * camel_service_unlock:
1138  * @service: a #CamelService
1139  * @lock: lock type to unlock
1140  *
1141  * Unlocks @service's @lock, previously locked with camel_service_lock().
1142  *
1143  * Since: 2.32
1144  **/
1145 void
1146 camel_service_unlock (CamelService *service,
1147                       CamelServiceLock lock)
1148 {
1149         g_return_if_fail (CAMEL_IS_SERVICE (service));
1150
1151         switch (lock) {
1152                 case CAMEL_SERVICE_REC_CONNECT_LOCK:
1153                         g_static_rec_mutex_unlock (&service->priv->connect_lock);
1154                         break;
1155                 case CAMEL_SERVICE_CONNECT_OP_LOCK:
1156                         g_static_mutex_unlock (&service->priv->connect_op_lock);
1157                         break;
1158                 default:
1159                         g_return_if_reached ();
1160         }
1161 }
1162
1163 /**
1164  * camel_service_query_auth_types_sync:
1165  * @service: a #CamelService
1166  * @cancellable: optional #GCancellable object, or %NULL
1167  * @error: return location for a #GError, or %NULL
1168  *
1169  * Obtains a list of authentication types supported by @service.
1170  * Free the returned list with g_list_free().
1171  *
1172  * Returns: a list of #CamelServiceAuthType structs
1173  **/
1174 GList *
1175 camel_service_query_auth_types_sync (CamelService *service,
1176                                      GCancellable *cancellable,
1177                                      GError **error)
1178 {
1179         CamelServiceClass *class;
1180         GList *list;
1181
1182         g_return_val_if_fail (CAMEL_IS_SERVICE (service), NULL);
1183
1184         class = CAMEL_SERVICE_GET_CLASS (service);
1185         g_return_val_if_fail (class->query_auth_types_sync != NULL, NULL);
1186
1187         /* Note that we get the connect lock here, which means the
1188          * callee must not call the connect functions itself. */
1189         camel_service_lock (service, CAMEL_SERVICE_REC_CONNECT_LOCK);
1190         list = class->query_auth_types_sync (service, cancellable, error);
1191         camel_service_unlock (service, CAMEL_SERVICE_REC_CONNECT_LOCK);
1192
1193         return list;
1194 }
1195
1196 /**
1197  * camel_service_query_auth_types:
1198  * @service: a #CamelService
1199  * @io_priority: the I/O priority of the request
1200  * @cancellable: optional #GCancellable object, or %NULL
1201  * @callback: a #GAsyncReadyCallback to call when the request is satisfied
1202  * @user_data: data to pass to the callback function
1203  *
1204  * Asynchronously obtains a list of authentication types supported by
1205  * @service.
1206  *
1207  * When the operation is finished, @callback will be called.  You can
1208  * then call camel_service_query_auth_types_finish() to get the result
1209  * of the operation.
1210  *
1211  * Since: 3.2
1212  **/
1213 void
1214 camel_service_query_auth_types (CamelService *service,
1215                                 gint io_priority,
1216                                 GCancellable *cancellable,
1217                                 GAsyncReadyCallback callback,
1218                                 gpointer user_data)
1219 {
1220         CamelServiceClass *class;
1221
1222         g_return_if_fail (CAMEL_IS_SERVICE (service));
1223
1224         class = CAMEL_SERVICE_GET_CLASS (service);
1225         g_return_if_fail (class->query_auth_types != NULL);
1226
1227         class->query_auth_types (
1228                 service, io_priority,
1229                 cancellable, callback, user_data);
1230 }
1231
1232 /**
1233  * camel_service_query_auth_types_finish:
1234  * @service: a #CamelService
1235  * @result: a #GAsyncResult
1236  * @error: return location for a #GError, or %NULL
1237  *
1238  * Finishes the operation started with camel_service_query_auth_types().
1239  * Free the returned list with g_list_free().
1240  *
1241  * Returns: a list of #CamelServiceAuthType structs
1242  *
1243  * Since: 3.2
1244  **/
1245 GList *
1246 camel_service_query_auth_types_finish (CamelService *service,
1247                                        GAsyncResult *result,
1248                                        GError **error)
1249 {
1250         CamelServiceClass *class;
1251
1252         g_return_val_if_fail (CAMEL_IS_SERVICE (service), NULL);
1253         g_return_val_if_fail (G_IS_ASYNC_RESULT (result), NULL);
1254
1255         class = CAMEL_SERVICE_GET_CLASS (service);
1256         g_return_val_if_fail (class->query_auth_types_finish != NULL, NULL);
1257
1258         return class->query_auth_types_finish (service, result, error);
1259 }
1260