goa-mc-plugin/mcp-account-manager-goa.c

   1 /*
   2  * mcp-account-manager-goa.c
   3  *
   4  * McpAccountManagerGoa - a Mission Control plugin to expose GNOME Online
   5  * Accounts with chat capabilities (e.g. Facebook) to Mission Control
   6  *
   7  * Copyright (C) 2010-2011 Collabora Ltd.
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  21  *
  22  * Authors:
  23  *    Danielle Madeley <danielle.madeley@collabora.co.uk>
  24  */
  25
  26 #include "config.h"
  27 #include "mcp-account-manager-goa.h"
  28
  29 #define GOA_API_IS_SUBJECT_TO_CHANGE /* awesome! */
  30 #include <goa/goa.h>
  31
  32 #define DEBUG g_debug
  33 #define GET_PRIVATE(self) (((McpAccountManagerGoa *) self)->priv)
  34 #define DECLARE_GASYNC_CALLBACK(name) \
  35   static void name (GObject *, GAsyncResult *, gpointer);
  36
  37 #define PLUGIN_NAME "goa"
  38 #define PLUGIN_PRIORITY (MCP_ACCOUNT_STORAGE_PLUGIN_PRIO_KEYRING + 10)
  39 #define PLUGIN_DESCRIPTION "Provide Telepathy Accounts from GOA"
  40 #define PLUGIN_PROVIDER EMPATHY_GOA_PROVIDER
  41
  42 #define INITIAL_COMMENT "Parameters of GOA Telepathy accounts"
  43
  44 static void account_storage_iface_init (McpAccountStorageIface *iface);
  45
  46 G_DEFINE_TYPE_WITH_CODE (McpAccountManagerGoa,
  47     mcp_account_manager_goa,
  48     G_TYPE_OBJECT,
  49     G_IMPLEMENT_INTERFACE (MCP_TYPE_ACCOUNT_STORAGE,
  50       account_storage_iface_init))
  51
  52 struct _McpAccountManagerGoaPrivate
  53 {
  54   gboolean ready;
  55
  56   GoaClient *client;
  57   GHashTable *accounts; /* alloc'ed string -> ref'ed GoaObject */
  58
  59   GKeyFile *store;
  60   gchar *filename;
  61 };
  62
  63
  64 static void
  65 mcp_account_manager_goa_dispose (GObject *self)
  66 {
  67   McpAccountManagerGoaPrivate *priv = GET_PRIVATE (self);
  68
  69   tp_clear_object (&priv->client);
  70
  71   G_OBJECT_CLASS (mcp_account_manager_goa_parent_class)->dispose (self);
  72 }
  73
  74
  75 static void
  76 mcp_account_manager_goa_finalize (GObject *self)
  77 {
  78   McpAccountManagerGoaPrivate *priv = GET_PRIVATE (self);
  79
  80   g_hash_table_unref (priv->accounts);
  81   g_key_file_free (priv->store);
  82   g_free (priv->filename);
  83
  84   G_OBJECT_CLASS (mcp_account_manager_goa_parent_class)->finalize (self);
  85 }
  86
  87
  88 static void
  89 mcp_account_manager_goa_class_init (McpAccountManagerGoaClass *klass)
  90 {
  91   GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
  92
  93   gobject_class->dispose = mcp_account_manager_goa_dispose;
  94   gobject_class->finalize = mcp_account_manager_goa_finalize;
  95
  96   g_type_class_add_private (gobject_class,
  97       sizeof (McpAccountManagerGoaPrivate));
  98 }
  99
 100 static GHashTable *
 101 get_tp_parameters (GoaAccount *account)
 102 {
 103   GHashTable *params = g_hash_table_new_full (g_str_hash, g_str_equal,
 104       NULL, g_free);
 105   const char *type = goa_account_get_provider_type (account);
 106
 107 #define PARAM(key, value) g_hash_table_insert (params, key, g_strdup (value));
 108
 109   if (!tp_strdiff (type, "google"))
 110     {
 111       PARAM ("manager", "gabble");
 112       PARAM ("protocol", "jabber");
 113       PARAM ("Icon", "im-google-talk");
 114       PARAM ("Service", "google-talk");
 115
 116       PARAM ("param-account", goa_account_get_identity (account));
 117       PARAM ("param-server", "talk.google.com");
 118       PARAM ("param-fallback-servers",
 119           "talkx.l.google.com;"
 120           "talkx.l.google.com:443,oldssl;"
 121           "talkx.l.google.com:80");
 122       PARAM ("param-extra-certificate-identities", "talk.google.com");
 123       PARAM ("param-require-encryption", "true");
 124     }
 125   else if (!tp_strdiff (type, "facebook"))
 126     {
 127       PARAM ("manager", "gabble");
 128       PARAM ("protocol", "jabber");
 129       PARAM ("Icon", "im-facebook");
 130       PARAM ("Service", "facebook");
 131
 132       PARAM ("param-account", "chat.facebook.com");
 133       PARAM ("param-server", "chat.facebook.com");
 134       PARAM ("param-require-encryption", "true");
 135       PARAM ("param-fallback-servers",
 136           "chat.facebook.com:443");
 137     }
 138   else if (!tp_strdiff (type, "windows_live"))
 139     {
 140       PARAM ("manager", "gabble");
 141       PARAM ("protocol", "jabber");
 142       PARAM ("Icon", "im-msn");
 143       PARAM ("Service", "windows-live");
 144
 145       PARAM ("param-account", "messenger.live.com");
 146       PARAM ("param-require-encryption", "true");
 147       PARAM ("param-fallback-servers", "xmpp.messenger.live.com");
 148       PARAM ("param-extra-certificate-identities",
 149           "*.gateway.messenger.live.com");
 150     }
 151   else
 152     {
 153       DEBUG ("Unknown account type %s", type);
 154       g_hash_table_unref (params);
 155       return NULL;
 156     }
 157
 158   /* generic properties */
 159   PARAM ("DisplayName", goa_account_get_presentation_identity (account));
 160
 161 #undef PARAM
 162
 163   return params;
 164 }
 165
 166
 167 static char *
 168 get_tp_account_name (GoaAccount *account)
 169 {
 170   GHashTable *params = get_tp_parameters (account);
 171   const char *type = goa_account_get_provider_type (account);
 172   const char *id = goa_account_get_id (account);
 173   char *name;
 174
 175   if (params == NULL)
 176     return NULL;
 177
 178   name = g_strdup_printf ("%s/%s/goa_%s_%s",
 179       (char *) g_hash_table_lookup (params, "manager"),
 180       (char *) g_hash_table_lookup (params, "protocol"),
 181       type, id);
 182
 183   g_hash_table_unref (params);
 184
 185   return name;
 186 }
 187
 188 static void
 189 object_chat_changed_cb (GoaObject *object,
 190     GParamSpec *spec,
 191     McpAccountManagerGoa *self)
 192 {
 193   GoaAccount *account = goa_object_peek_account (object);
 194   char *name = get_tp_account_name (account);
 195   gboolean enabled;
 196
 197   enabled = (goa_object_peek_chat (object) != NULL);
 198
 199   DEBUG ("%s %s", name, enabled ? "enabled" : "disabled");
 200
 201   if (self->priv->ready)
 202     g_signal_emit_by_name (self, "toggled", name, enabled);
 203 }
 204
 205 static void
 206 _new_account (McpAccountManagerGoa *self,
 207     GoaObject *object)
 208 {
 209   GoaAccount *account = goa_object_peek_account (object);
 210   char *account_name = get_tp_account_name (account);
 211
 212   if (account_name == NULL)
 213     return;
 214
 215   /* @account_name now is owned by the hash table */
 216   g_hash_table_insert (self->priv->accounts, account_name,
 217       g_object_ref (object));
 218
 219   if (self->priv->ready)
 220     g_signal_emit_by_name (self, "created", account_name);
 221
 222   tp_g_signal_connect_object (object, "notify::chat",
 223       G_CALLBACK (object_chat_changed_cb), self, 0);
 224 }
 225
 226
 227 DECLARE_GASYNC_CALLBACK (_goa_client_new_cb);
 228
 229 static void
 230 load_store (McpAccountManagerGoa *self)
 231 {
 232   GError *error = NULL;
 233
 234   if (!g_key_file_load_from_file (self->priv->store, self->priv->filename,
 235         G_KEY_FILE_KEEP_COMMENTS, &error))
 236     {
 237       gchar *dir;
 238
 239       DEBUG ("Failed to load keyfile, creating a new one: %s", error->message);
 240
 241       dir = g_path_get_dirname (self->priv->filename);
 242
 243       g_mkdir_with_parents (dir, 0700);
 244       g_free (dir);
 245
 246       g_key_file_set_comment (self->priv->store, NULL, NULL, INITIAL_COMMENT,
 247           NULL);
 248
 249       g_error_free (error);
 250     }
 251 }
 252
 253 static void
 254 mcp_account_manager_goa_init (McpAccountManagerGoa *self)
 255 {
 256   DEBUG ("GOA MC plugin initialised");
 257
 258   self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
 259       MCP_TYPE_ACCOUNT_MANAGER_GOA, McpAccountManagerGoaPrivate);
 260
 261   self->priv->accounts = g_hash_table_new_full (g_str_hash, g_str_equal,
 262       g_free, g_object_unref);
 263
 264   goa_client_new (NULL, _goa_client_new_cb, self);
 265
 266   /* key file store */
 267   self->priv->store = g_key_file_new ();
 268   self->priv->filename = g_build_filename (g_get_user_data_dir (), "telepathy",
 269       "mission-control", "accounts-goa.cfg", NULL);
 270
 271   load_store (self);
 272 }
 273
 274
 275 static void
 276 _account_added_cb (GoaClient *client,
 277     GoaObject *object,
 278     McpAccountManagerGoa *self)
 279 {
 280   _new_account (self, object);
 281 }
 282
 283
 284 static void
 285 _account_removed_cb (GoaClient *client,
 286     GoaObject *object,
 287     McpAccountManagerGoa *self)
 288 {
 289   GoaAccount *account = goa_object_peek_account (object);
 290   char *name = get_tp_account_name (account);
 291
 292   if (self->priv->ready)
 293     g_signal_emit_by_name (self, "deleted", name);
 294
 295   g_hash_table_remove (self->priv->accounts, name);
 296
 297   g_free (name);
 298 }
 299
 300 static void
 301 _goa_client_new_cb (GObject *obj,
 302     GAsyncResult *result,
 303     gpointer user_data)
 304 {
 305   McpAccountManagerGoa *self = user_data;
 306   GList *accounts, *ptr;
 307   GError *error = NULL;
 308
 309   self->priv->client = goa_client_new_finish (result, &error);
 310
 311   if (error != NULL)
 312     {
 313       DEBUG ("Failed to connect to GOA");
 314       return;
 315     }
 316
 317   accounts = goa_client_get_accounts (self->priv->client);
 318
 319   for (ptr = accounts; ptr != NULL; ptr = ptr->next)
 320     {
 321       _new_account (self, ptr->data);
 322     }
 323
 324   g_list_free_full (accounts, g_object_unref);
 325
 326   g_signal_connect (self->priv->client, "account-added",
 327       G_CALLBACK (_account_added_cb), self);
 328   g_signal_connect (self->priv->client, "account-removed",
 329       G_CALLBACK (_account_removed_cb), self);
 330 }
 331
 332
 333 static GList *
 334 mcp_account_manager_goa_list (const McpAccountStorage *self,
 335     const McpAccountManager *am)
 336 {
 337   McpAccountManagerGoaPrivate *priv = GET_PRIVATE (self);
 338   GList *accounts = NULL;
 339   GHashTableIter iter;
 340   gpointer key;
 341
 342   DEBUG (G_STRFUNC);
 343
 344   g_hash_table_iter_init (&iter, priv->accounts);
 345   while (g_hash_table_iter_next (&iter, &key, NULL))
 346     accounts = g_list_prepend (accounts, g_strdup (key));
 347
 348   return accounts;
 349 }
 350
 351
 352 static void
 353 get_enabled (const McpAccountStorage *self,
 354     const McpAccountManager *am,
 355     const gchar *acc,
 356     GoaAccount *account)
 357 {
 358   mcp_account_manager_set_value (am, acc, "Enabled",
 359       goa_account_get_chat_disabled (account) == FALSE ? "true" : "false");
 360 }
 361
 362
 363 static gboolean
 364 mcp_account_manager_goa_get (const McpAccountStorage *self,
 365     const McpAccountManager *am,
 366     const gchar *acc,
 367     const gchar *key)
 368 {
 369   McpAccountManagerGoaPrivate *priv = GET_PRIVATE (self);
 370   GoaObject *object;
 371   GoaAccount *account;
 372
 373   DEBUG ("%s: %s, %s", G_STRFUNC, acc, key);
 374
 375   object = g_hash_table_lookup (priv->accounts, acc);
 376
 377   if (object == NULL)
 378     return FALSE;
 379
 380   account = goa_object_peek_account (object);
 381
 382   if (account == NULL)
 383     return FALSE;
 384
 385   if (key == NULL)
 386     {
 387       /* load all keys */
 388       GHashTable *params = get_tp_parameters (account);
 389       GHashTableIter iter;
 390       gpointer k, value;
 391       GStrv keys;
 392       guint i;
 393       gsize nkeys = 0;
 394
 395       /* Properties from GOA */
 396       g_hash_table_iter_init (&iter, params);
 397       while (g_hash_table_iter_next (&iter, &k, &value))
 398         mcp_account_manager_set_value (am, acc, k, value);
 399
 400       g_hash_table_unref (params);
 401
 402       /* Stored properties */
 403       keys = g_key_file_get_keys (priv->store, acc, &nkeys, NULL);
 404
 405       for (i = 0; i < nkeys; i++)
 406         {
 407           gchar *v = g_key_file_get_value (priv->store, acc, keys[i], NULL);
 408
 409           if (v != NULL)
 410             {
 411               mcp_account_manager_set_value (am, acc, keys[i], v);
 412               g_free (v);
 413             }
 414         }
 415
 416       g_strfreev (keys);
 417
 418       /* Enabled */
 419       get_enabled (self, am, acc, account);
 420     }
 421   else if (!tp_strdiff (key, "Enabled"))
 422     {
 423       get_enabled (self, am, acc, account);
 424     }
 425   else
 426     {
 427       /* get a specific key */
 428       GHashTable *params = get_tp_parameters (account);
 429       gchar *value;
 430
 431       value = g_hash_table_lookup (params, key);
 432
 433       if (value == NULL)
 434         value = g_key_file_get_value (priv->store, acc, key, NULL);
 435       else
 436         value = g_strdup (value);
 437
 438       mcp_account_manager_set_value (am, acc, key, value);
 439
 440       g_hash_table_unref (params);
 441       g_free (value);
 442     }
 443
 444   return TRUE;
 445 }
 446
 447 static gboolean
 448 account_is_in_goa (const McpAccountStorage *self,
 449     const gchar *account)
 450 {
 451   McpAccountManagerGoaPrivate *priv = GET_PRIVATE (self);
 452
 453   return (g_hash_table_lookup (priv->accounts, account) != NULL);
 454 }
 455
 456 static gboolean
 457 mcp_account_manager_goa_set (const McpAccountStorage *self,
 458     const McpAccountManager *am,
 459     const gchar *account,
 460     const gchar *key,
 461     const gchar *val)
 462 {
 463   McpAccountManagerGoaPrivate *priv = GET_PRIVATE (self);
 464
 465   if (!account_is_in_goa (self, account))
 466     return FALSE;
 467
 468   DEBUG ("%s: (%s, %s, %s)", G_STRFUNC, account, key, val);
 469
 470   if (!tp_strdiff (key, "Enabled"))
 471     {
 472       GoaObject *object;
 473       GoaAccount *acc;
 474
 475       object = g_hash_table_lookup (priv->accounts, account);
 476
 477       if (object == NULL)
 478         return FALSE;
 479
 480       acc = goa_object_peek_account (object);
 481
 482       if (acc == NULL)
 483         return FALSE;
 484
 485       goa_account_set_chat_disabled (acc, tp_strdiff (val, "true"));
 486       goto out;
 487     }
 488
 489   if (val != NULL)
 490     g_key_file_set_value (priv->store, account, key, val);
 491   else
 492     g_key_file_remove_key (priv->store, account, key, NULL);
 493
 494  out:
 495   /* Pretend we save everything so MC won't save this in accounts.cfg */
 496   return TRUE;
 497 }
 498
 499
 500 static gboolean
 501 mcp_account_manager_goa_delete (const McpAccountStorage *self,
 502     const McpAccountManager *am,
 503     const gchar *account,
 504     const gchar *key)
 505 {
 506   McpAccountManagerGoaPrivate *priv = GET_PRIVATE (self);
 507
 508   if (!account_is_in_goa (self, account))
 509     return FALSE;
 510
 511   DEBUG ("%s: (%s, %s)", G_STRFUNC, account, key);
 512
 513   if (key == NULL)
 514     {
 515       g_key_file_remove_group (priv->store, account, NULL);
 516     }
 517   else
 518     {
 519       g_key_file_remove_key (priv->store, account, key, NULL);
 520     }
 521
 522   /* Pretend we deleted everything */
 523   return TRUE;
 524 }
 525
 526
 527 static gboolean
 528 mcp_account_manager_goa_commit (const McpAccountStorage *self,
 529     const McpAccountManager *am)
 530 {
 531   McpAccountManagerGoaPrivate *priv = GET_PRIVATE (self);
 532   gchar *data;
 533   gsize len;
 534   GError *error = NULL;
 535
 536   DEBUG ("Save config to %s", priv->filename);
 537
 538   data = g_key_file_to_data (priv->store, &len, &error);
 539   if (data == NULL)
 540     {
 541       DEBUG ("Failed to get data from store: %s", error->message);
 542
 543       g_error_free (error);
 544       return FALSE;
 545     }
 546
 547   if (!g_file_set_contents (priv->filename, data, len, &error))
 548     {
 549       DEBUG ("Failed to write file: %s", error->message);
 550
 551       g_free (data);
 552       g_error_free (error);
 553       return FALSE;
 554     }
 555
 556   g_free (data);
 557
 558   return TRUE;
 559 }
 560
 561
 562 static void
 563 mcp_account_manager_goa_ready (const McpAccountStorage *self,
 564     const McpAccountManager *am)
 565 {
 566   McpAccountManagerGoaPrivate *priv = GET_PRIVATE (self);
 567
 568   priv->ready = TRUE;
 569 }
 570
 571
 572 static guint
 573 mcp_account_manager_goa_get_restrictions (const McpAccountStorage *self,
 574     const gchar *account)
 575 {
 576   return TP_STORAGE_RESTRICTION_FLAG_CANNOT_SET_PARAMETERS |
 577          TP_STORAGE_RESTRICTION_FLAG_CANNOT_SET_SERVICE;
 578 }
 579
 580
 581 static void
 582 mcp_account_manager_goa_get_identifier (const McpAccountStorage *self,
 583     const gchar *acc,
 584     GValue *identifier)
 585 {
 586   McpAccountManagerGoaPrivate *priv = GET_PRIVATE (self);
 587   GoaObject *object;
 588   GoaAccount *account;
 589
 590   object = g_hash_table_lookup (priv->accounts, acc);
 591   g_return_if_fail (object != NULL);
 592
 593   account = goa_object_peek_account (object);
 594   g_return_if_fail (account != NULL);
 595
 596   g_value_init (identifier, G_TYPE_STRING);
 597   g_value_set_string (identifier, goa_account_get_id (account));
 598 }
 599
 600
 601 static void
 602 account_storage_iface_init (McpAccountStorageIface *iface)
 603 {
 604   iface->name = PLUGIN_NAME;
 605   iface->desc = PLUGIN_DESCRIPTION;
 606   iface->priority = PLUGIN_PRIORITY;
 607   iface->provider = PLUGIN_PROVIDER;
 608
 609 #define IMPLEMENT(x) iface->x = mcp_account_manager_goa_##x
 610   IMPLEMENT (get);
 611   IMPLEMENT (list);
 612   IMPLEMENT (set);
 613   IMPLEMENT (delete);
 614   IMPLEMENT (commit);
 615   IMPLEMENT (ready);
 616   IMPLEMENT (get_restrictions);
 617   IMPLEMENT (get_identifier);
 618 #undef IMPLEMENT
 619 }