static void
e_book_backend_webdav_remove_contacts (EBookBackend *backend,
EDataBook *book,
guint32 opid,
GCancellable *cancellable,
const GSList *id_list)
{
EBookBackendWebdav *webdav = E_BOOK_BACKEND_WEBDAV (backend);
EBookBackendWebdavPrivate *priv = webdav->priv;
gchar *uid = id_list->data;
GSList deleted_ids = {NULL,};
guint status;
if (!e_backend_get_online (E_BACKEND (backend))) {
e_data_book_respond_remove_contacts (
book, opid,
EDB_ERROR (REPOSITORY_OFFLINE), NULL);
return;
}
/* We make the assumption that the ID list we're passed is always exactly one element long, since we haven't specified "bulk-removes"
* in our static capability list. */
if (id_list->next != NULL) {
e_data_book_respond_remove_contacts (
book, opid,
EDB_ERROR_EX (NOT_SUPPORTED,
_("The backend does not support bulk removals")),
NULL);
return;
}
status = delete_contact (webdav, uid, cancellable);
if (status != 204) {
if (status == 401 || status == 407) {
e_data_book_respond_remove_contacts (
book, opid,
webdav_handle_auth_request (webdav), NULL);
} else {
g_warning ("DELETE failed with HTTP status %d", status);
e_data_book_respond_remove_contacts (
book, opid,
e_data_book_create_error_fmt (E_DATA_BOOK_STATUS_OTHER_ERROR,
_("DELETE failed with HTTP status %d"), status),
NULL);
}
return;
}
g_mutex_lock (&priv->cache_lock);
e_book_backend_cache_remove_contact (priv->cache, uid);
g_mutex_unlock (&priv->cache_lock);
deleted_ids.data = uid;
e_data_book_respond_remove_contacts (book, opid, EDB_ERROR (SUCCESS), &deleted_ids);
}
static void
http_cal_reload_cb (ESource *source,
gpointer user_data)
{
ECalBackendHttp *cbhttp = user_data;
g_return_if_fail (E_IS_CAL_BACKEND_HTTP (cbhttp));
if (!e_backend_get_online (E_BACKEND (cbhttp)))
return;
http_cal_schedule_begin_retrieval (cbhttp);
}
/* Set_mode handler for the http backend */
static void
e_cal_backend_http_notify_online_cb (ECalBackend *backend,
GParamSpec *pspec)
{
gboolean loaded;
gboolean online;
online = e_backend_get_online (E_BACKEND (backend));
loaded = e_cal_backend_is_opened (backend);
if (online && loaded)
http_cal_schedule_begin_retrieval (E_CAL_BACKEND_HTTP (backend));
}
static void
e_book_backend_webdav_notify_online_cb (EBookBackend *backend,
GParamSpec *pspec)
{
/* set_mode is called before the backend is loaded */
if (!e_book_backend_is_opened (backend))
return;
if (!e_backend_get_online (E_BACKEND (backend))) {
e_book_backend_notify_readonly (backend, TRUE);
e_book_backend_notify_online (backend, FALSE);
} else {
e_book_backend_notify_readonly (backend, FALSE);
e_book_backend_notify_online (backend, TRUE);
}
}
/** Periodic sync callback.
*
* @param cb 3e calendar backend.
*
* @return Always TRUE (continue sync).
*/
static gpointer sync_thread(ECalBackend3e *cb)
{
int timeout = 5;
while (TRUE)
{
switch (g_atomic_int_get(&cb->priv->sync_request))
{
case SYNC_NORMAL:
g_usleep(1000000);
if (--timeout > 0)
{
break;
}
case SYNC_NOW:
if (g_atomic_int_get(&cb->priv->sync_request) == SYNC_STOP)
{
return NULL;
}
timeout = 5;
g_atomic_int_set(&cb->priv->sync_request, SYNC_NORMAL);
if (e_backend_get_online(E_BACKEND(cb)) && e_cal_backend_3e_calendar_load_perm(cb))
{
e_cal_backend_3e_sync_server_to_cache(cb);
if (e_cal_backend_3e_calendar_has_perm(cb, "write"))
{
e_cal_backend_3e_sync_cache_to_server(cb);
}
}
break;
case SYNC_PAUSE:
g_usleep(1000000);
break;
case SYNC_STOP:
return NULL;
}
}
return NULL;
}
static void
e_book_backend_webdav_get_contact_list_uids (EBookBackend *backend,
EDataBook *book,
guint32 opid,
GCancellable *cancellable,
const gchar *query)
{
EBookBackendWebdav *webdav = E_BOOK_BACKEND_WEBDAV (backend);
EBookBackendWebdavPrivate *priv = webdav->priv;
GList *contact_list;
GSList *uids_list;
GList *c;
if (e_backend_get_online (E_BACKEND (backend))) {
/* make sure the cache is up to date */
GError *error = download_contacts (webdav, NULL, NULL, cancellable);
if (error) {
e_data_book_respond_get_contact_list_uids (book, opid, error, NULL);
return;
}
}
/* answer query from cache */
g_mutex_lock (&priv->cache_lock);
contact_list = e_book_backend_cache_get_contacts (priv->cache, query);
g_mutex_unlock (&priv->cache_lock);
uids_list = NULL;
for (c = contact_list; c != NULL; c = g_list_next (c)) {
EContact *contact = c->data;
uids_list = g_slist_append (uids_list, e_contact_get (contact, E_CONTACT_UID));
g_object_unref (contact);
}
g_list_free (contact_list);
e_data_book_respond_get_contact_list_uids (book, opid, EDB_ERROR (SUCCESS), uids_list);
g_slist_foreach (uids_list, (GFunc) g_free, NULL);
g_slist_free (uids_list);
}
static void
e_book_backend_webdav_start_view (EBookBackend *backend,
EDataBookView *book_view)
{
EBookBackendWebdav *webdav = E_BOOK_BACKEND_WEBDAV (backend);
EBookBackendWebdavPrivate *priv = webdav->priv;
EBookBackendSExp *sexp;
const gchar *query;
GList *contacts;
GList *l;
sexp = e_data_book_view_get_sexp (book_view);
query = e_book_backend_sexp_text (sexp);
g_mutex_lock (&priv->cache_lock);
contacts = e_book_backend_cache_get_contacts (priv->cache, query);
g_mutex_unlock (&priv->cache_lock);
for (l = contacts; l != NULL; l = g_list_next (l)) {
EContact *contact = l->data;
e_data_book_view_notify_update (book_view, contact);
g_object_unref (contact);
}
g_list_free (contacts);
/* this way the UI is notified about cached contacts immediately,
* and the update thread notifies about possible changes only */
e_data_book_view_notify_complete (book_view, NULL /* Success */);
if (e_backend_get_online (E_BACKEND (backend))) {
WebdavBackendSearchClosure *closure
= init_closure (book_view, E_BOOK_BACKEND_WEBDAV (backend));
closure->thread
= g_thread_new (NULL, book_view_thread, book_view);
e_flag_wait (closure->running);
}
}
static void
e_book_backend_webdav_stop_view (EBookBackend *backend,
EDataBookView *book_view)
{
WebdavBackendSearchClosure *closure;
gboolean need_join;
if (!e_backend_get_online (E_BACKEND (backend)))
return;
closure = get_closure (book_view);
if (closure == NULL)
return;
need_join = e_flag_is_set (closure->running);
e_flag_clear (closure->running);
if (need_join) {
g_thread_join (closure->thread);
closure->thread = NULL;
}
}
static void
e_book_backend_webdav_get_contact (EBookBackend *backend,
EDataBook *book,
guint32 opid,
GCancellable *cancellable,
const gchar *uid)
{
EBookBackendWebdav *webdav = E_BOOK_BACKEND_WEBDAV (backend);
EBookBackendWebdavPrivate *priv = webdav->priv;
EContact *contact;
gchar *vcard;
if (!e_backend_get_online (E_BACKEND (backend))) {
g_mutex_lock (&priv->cache_lock);
contact = e_book_backend_cache_get_contact (priv->cache, uid);
g_mutex_unlock (&priv->cache_lock);
} else {
contact = download_contact (webdav, uid, cancellable);
/* update cache as we possibly have changes */
if (contact != NULL) {
g_mutex_lock (&priv->cache_lock);
e_book_backend_cache_remove_contact (priv->cache, uid);
e_book_backend_cache_add_contact (priv->cache, contact);
g_mutex_unlock (&priv->cache_lock);
}
}
if (contact == NULL) {
e_data_book_respond_get_contact (book, opid, EDB_ERROR (CONTACT_NOT_FOUND), NULL);
return;
}
vcard = e_vcard_to_string (E_VCARD (contact), EVC_FORMAT_VCARD_30);
e_data_book_respond_get_contact (book, opid, EDB_ERROR (SUCCESS), vcard);
g_free (vcard);
g_object_unref (contact);
}
static void
e_book_backend_webdav_modify_contacts (EBookBackend *backend,
EDataBook *book,
guint32 opid,
GCancellable *cancellable,
const GSList *vcards)
{
EBookBackendWebdav *webdav = E_BOOK_BACKEND_WEBDAV (backend);
EBookBackendWebdavPrivate *priv = webdav->priv;
EContact *contact;
GSList modified_contacts = {NULL,};
const gchar *uid;
const gchar *etag;
guint status;
gchar *status_reason = NULL;
const gchar *vcard = vcards->data;
if (!e_backend_get_online (E_BACKEND (backend))) {
e_data_book_respond_create_contacts (
book, opid,
EDB_ERROR (REPOSITORY_OFFLINE), NULL);
return;
}
/* We make the assumption that the vCard list we're passed is always exactly one element long, since we haven't specified "bulk-modifies"
* in our static capability list. This is because there is no clean way to roll back changes in case of an error. */
if (vcards->next != NULL) {
e_data_book_respond_modify_contacts (
book, opid,
EDB_ERROR_EX (
NOT_SUPPORTED,
_("The backend does not support bulk modifications")),
NULL);
return;
}
/* modify contact */
contact = e_contact_new_from_vcard (vcard);
status = upload_contact (webdav, contact, &status_reason, cancellable);
if (status != 201 && status != 204) {
g_object_unref (contact);
if (status == 401 || status == 407) {
e_data_book_respond_modify_contacts (book, opid, webdav_handle_auth_request (webdav), NULL);
g_free (status_reason);
return;
}
/* data changed on server while we were editing */
if (status == 412) {
/* too bad no special error code in evolution for this... */
e_data_book_respond_modify_contacts (book, opid,
e_data_book_create_error_fmt (
E_DATA_BOOK_STATUS_OTHER_ERROR,
_("Contact on server changed -> not modifying")),
NULL);
g_free (status_reason);
return;
}
e_data_book_respond_modify_contacts (book, opid,
e_data_book_create_error_fmt (
E_DATA_BOOK_STATUS_OTHER_ERROR,
_("Modify contact failed with HTTP status: %d (%s)"),
status, status_reason),
NULL);
g_free (status_reason);
return;
}
g_free (status_reason);
uid = e_contact_get_const (contact, E_CONTACT_UID);
g_mutex_lock (&priv->cache_lock);
e_book_backend_cache_remove_contact (priv->cache, uid);
etag = e_contact_get_const (contact, E_CONTACT_REV);
/* PUT request didn't return an etag? try downloading to get one */
if (etag == NULL || (etag[0] == 'W' && etag[1] == '/')) {
EContact *new_contact;
g_warning ("Server didn't return etag for modified address resource");
new_contact = download_contact (webdav, uid, cancellable);
if (new_contact != NULL) {
contact = new_contact;
}
}
e_book_backend_cache_add_contact (priv->cache, contact);
g_mutex_unlock (&priv->cache_lock);
modified_contacts.data = contact;
e_data_book_respond_modify_contacts (book, opid, EDB_ERROR (SUCCESS), &modified_contacts);
g_object_unref (contact);
}
/* Open handler for the file backend */
static void
e_cal_backend_http_open (ECalBackendSync *backend,
EDataCal *cal,
GCancellable *cancellable,
gboolean only_if_exists,
GError **perror)
{
ECalBackendHttp *cbhttp;
ECalBackendHttpPrivate *priv;
ESource *source;
ESourceWebdav *webdav_extension;
const gchar *extension_name;
const gchar *cache_dir;
gboolean opened = TRUE;
gchar *tmp;
GError *local_error = NULL;
cbhttp = E_CAL_BACKEND_HTTP (backend);
priv = cbhttp->priv;
/* already opened, thus can skip all this initialization */
if (priv->opened)
return;
source = e_backend_get_source (E_BACKEND (backend));
cache_dir = e_cal_backend_get_cache_dir (E_CAL_BACKEND (backend));
extension_name = E_SOURCE_EXTENSION_WEBDAV_BACKEND;
webdav_extension = e_source_get_extension (source, extension_name);
e_source_webdav_unset_temporary_ssl_trust (webdav_extension);
if (priv->source_changed_id == 0) {
priv->source_changed_id = g_signal_connect (
source, "changed",
G_CALLBACK (source_changed_cb), cbhttp);
}
/* always read uri again */
tmp = priv->uri;
priv->uri = NULL;
g_free (tmp);
if (priv->store == NULL) {
/* remove the old cache while migrating to ECalBackendStore */
e_cal_backend_cache_remove (cache_dir, "cache.xml");
priv->store = e_cal_backend_store_new (
cache_dir, E_TIMEZONE_CACHE (backend));
e_cal_backend_store_load (priv->store);
if (!priv->store) {
g_propagate_error (
perror, EDC_ERROR_EX (OtherError,
_("Could not create cache file")));
return;
}
}
e_cal_backend_set_writable (E_CAL_BACKEND (backend), FALSE);
if (e_backend_get_online (E_BACKEND (backend))) {
gchar *certificate_pem = NULL;
GTlsCertificateFlags certificate_errors = 0;
const gchar *uri;
uri = cal_backend_http_ensure_uri (cbhttp);
opened = cal_backend_http_load (cbhttp, uri, &certificate_pem,
&certificate_errors, cancellable, &local_error);
if (g_error_matches (local_error, SOUP_HTTP_ERROR, SOUP_STATUS_UNAUTHORIZED) ||
g_error_matches (local_error, SOUP_HTTP_ERROR, SOUP_STATUS_SSL_FAILED) ||
(g_error_matches (local_error, SOUP_HTTP_ERROR, SOUP_STATUS_FORBIDDEN) &&
!cbhttp->priv->password)) {
GError *local_error2 = NULL;
ESourceCredentialsReason reason = E_SOURCE_CREDENTIALS_REASON_REQUIRED;
if (g_error_matches (local_error, SOUP_HTTP_ERROR, SOUP_STATUS_SSL_FAILED)) {
reason = E_SOURCE_CREDENTIALS_REASON_SSL_FAILED;
}
e_backend_credentials_required_sync (E_BACKEND (cbhttp), reason, certificate_pem,
certificate_errors, local_error, cancellable, &local_error2);
g_clear_error (&local_error);
local_error = local_error2;
} else if (g_error_matches (local_error, SOUP_HTTP_ERROR, SOUP_STATUS_FORBIDDEN)) {
GError *local_error2 = NULL;
e_backend_credentials_required_sync (E_BACKEND (cbhttp), E_SOURCE_CREDENTIALS_REASON_REJECTED,
certificate_pem, certificate_errors, local_error, cancellable, &local_error2);
g_clear_error (&local_error);
local_error = local_error2;
}
g_free (certificate_pem);
if (local_error != NULL)
g_propagate_error (perror, local_error);
}
if (opened) {
if (!priv->reload_timeout_id)
priv->reload_timeout_id = e_source_refresh_add_timeout (source, NULL, http_cal_reload_cb, backend, NULL);
}
}
static void
e_book_backend_webdav_create_contacts (EBookBackend *backend,
EDataBook *book,
guint32 opid,
GCancellable *cancellable,
const GSList *vcards)
{
EBookBackendWebdav *webdav = E_BOOK_BACKEND_WEBDAV (backend);
EBookBackendWebdavPrivate *priv = webdav->priv;
EContact *contact;
gchar *uid;
guint status;
gchar *status_reason = NULL;
const gchar *vcard = (const gchar *) vcards->data;
GSList added_contacts = {NULL,};
/* We make the assumption that the vCard list we're passed is always exactly one element long, since we haven't specified "bulk-adds"
* in our static capability list. This is because there is no clean way to roll back changes in case of an error. */
if (vcards->next != NULL) {
e_data_book_respond_create_contacts (
book, opid,
EDB_ERROR_EX (NOT_SUPPORTED,
_("The backend does not support bulk additions")),
NULL);
return;
}
if (!e_backend_get_online (E_BACKEND (backend))) {
e_data_book_respond_create_contacts (book, opid, EDB_ERROR (REPOSITORY_OFFLINE), NULL);
return;
}
/* do 3 rand() calls to construct a unique ID... poor way but should be
* good enough for us */
uid = g_strdup_printf (
"%s%08X-%08X-%08X.vcf",
priv->uri, rand (), rand (), rand ());
contact = e_contact_new_from_vcard_with_uid (vcard, uid);
/* kill revision field (might have been set by some other backend) */
e_contact_set (contact, E_CONTACT_REV, NULL);
status = upload_contact (webdav, contact, &status_reason, cancellable);
if (status != 201 && status != 204) {
g_object_unref (contact);
if (status == 401 || status == 407) {
e_data_book_respond_create_contacts (book, opid, webdav_handle_auth_request (webdav), NULL);
} else {
e_data_book_respond_create_contacts (
book, opid,
e_data_book_create_error_fmt (
E_DATA_BOOK_STATUS_OTHER_ERROR,
_("Create resource '%s' failed with HTTP status: %d (%s)"),
uid, status, status_reason),
NULL);
}
g_free (uid);
g_free (status_reason);
return;
}
g_free (status_reason);
/* PUT request didn't return an etag? try downloading to get one */
if (e_contact_get_const (contact, E_CONTACT_REV) == NULL) {
const gchar *new_uid;
EContact *new_contact;
g_warning ("Server didn't return etag for new address resource");
new_uid = e_contact_get_const (contact, E_CONTACT_UID);
new_contact = download_contact (webdav, new_uid, cancellable);
g_object_unref (contact);
if (new_contact == NULL) {
e_data_book_respond_create_contacts (
book, opid,
EDB_ERROR (OTHER_ERROR), NULL);
g_free (uid);
return;
}
contact = new_contact;
}
g_mutex_lock (&priv->cache_lock);
e_book_backend_cache_add_contact (priv->cache, contact);
g_mutex_unlock (&priv->cache_lock);
added_contacts.data = contact;
e_data_book_respond_create_contacts (book, opid, EDB_ERROR (SUCCESS), &added_contacts);
g_object_unref (contact);
g_free (uid);
}
/** Check if calendar is online (i.e. network operations should be enabled).
*
* @param cb 3e calendar backend.
*
* @return TRUE if it is OK to run network communication.
*/
gboolean e_cal_backend_3e_calendar_is_online(ECalBackend3e *cb)
{
return e_backend_get_online (E_BACKEND (cb));
// return cb->priv->mode == CAL_MODE_REMOTE;
}
static void
e_book_backend_webdav_open (EBookBackend *backend,
EDataBook *book,
guint opid,
GCancellable *cancellable,
gboolean only_if_exists)
{
EBookBackendWebdav *webdav = E_BOOK_BACKEND_WEBDAV (backend);
EBookBackendWebdavPrivate *priv = webdav->priv;
ESourceAuthentication *auth_extension;
ESourceOffline *offline_extension;
ESourceWebdav *webdav_extension;
ESource *source;
const gchar *extension_name;
const gchar *cache_dir;
gchar *filename;
SoupSession *session;
SoupURI *suri;
GError *error = NULL;
/* will try fetch ctag for the first time, if it fails then sets this to FALSE */
priv->supports_getctag = TRUE;
source = e_backend_get_source (E_BACKEND (backend));
cache_dir = e_book_backend_get_cache_dir (backend);
extension_name = E_SOURCE_EXTENSION_AUTHENTICATION;
auth_extension = e_source_get_extension (source, extension_name);
extension_name = E_SOURCE_EXTENSION_OFFLINE;
offline_extension = e_source_get_extension (source, extension_name);
extension_name = E_SOURCE_EXTENSION_WEBDAV_BACKEND;
webdav_extension = e_source_get_extension (source, extension_name);
priv->marked_for_offline =
e_source_offline_get_stay_synchronized (offline_extension);
if (!e_backend_get_online (E_BACKEND (backend)) && !priv->marked_for_offline ) {
e_book_backend_respond_opened (backend, book, opid, EDB_ERROR (OFFLINE_UNAVAILABLE));
return;
}
suri = e_source_webdav_dup_soup_uri (webdav_extension);
priv->uri = soup_uri_to_string (suri, FALSE);
if (!priv->uri || !*priv->uri) {
g_free (priv->uri);
priv->uri = NULL;
soup_uri_free (suri);
e_book_backend_respond_opened (backend, book, opid, EDB_ERROR_EX (OTHER_ERROR, _("Cannot transform SoupURI to string")));
return;
}
g_mutex_lock (&priv->cache_lock);
/* make sure the priv->uri ends with a forward slash */
if (priv->uri[strlen (priv->uri) - 1] != '/') {
gchar *tmp = priv->uri;
priv->uri = g_strconcat (tmp, "/", NULL);
g_free (tmp);
}
if (!priv->cache) {
filename = g_build_filename (cache_dir, "cache.xml", NULL);
priv->cache = e_book_backend_cache_new (filename);
g_free (filename);
}
g_mutex_unlock (&priv->cache_lock);
session = soup_session_sync_new ();
g_object_set (
session,
SOUP_SESSION_TIMEOUT, 90,
SOUP_SESSION_SSL_STRICT, TRUE,
SOUP_SESSION_SSL_USE_SYSTEM_CA_FILE, TRUE,
NULL);
e_source_webdav_unset_temporary_ssl_trust (webdav_extension);
g_signal_connect (
session, "authenticate",
G_CALLBACK (soup_authenticate), webdav);
priv->session = session;
priv->proxy = e_proxy_new ();
e_proxy_setup_proxy (priv->proxy);
g_signal_connect (
priv->proxy, "changed",
G_CALLBACK (proxy_settings_changed), priv);
proxy_settings_changed (priv->proxy, priv);
webdav_debug_setup (priv->session);
e_book_backend_notify_online (backend, TRUE);
e_book_backend_notify_readonly (backend, FALSE);
if (e_source_authentication_required (auth_extension))
e_backend_authenticate_sync (
E_BACKEND (backend),
E_SOURCE_AUTHENTICATOR (backend),
cancellable, &error);
soup_uri_free (suri);
/* This function frees the GError passed to it. */
e_book_backend_respond_opened (backend, book, opid, error);
}
/** Check if backend method should call sync immediately after cache
* modification.
*
* @param cb 3e calendar backend.
*
* @return TRUE if sync is needed.
*/
gboolean e_cal_backend_3e_calendar_needs_immediate_sync(ECalBackend3e *cb)
{
return cb->priv->sync_immediately && e_backend_get_online(E_BACKEND(cb)) && !cb->priv->last_conn_failed;
}
static void
begin_retrieval_cb (GTask *task,
gpointer source_object,
gpointer task_tada,
GCancellable *cancellable)
{
ECalBackendHttp *backend = source_object;
const gchar *uri;
gchar *certificate_pem = NULL;
GTlsCertificateFlags certificate_errors = 0;
GError *error = NULL;
if (!e_backend_get_online (E_BACKEND (backend)) ||
backend->priv->is_loading)
return;
d (g_message ("Starting retrieval...\n"));
backend->priv->is_loading = TRUE;
uri = cal_backend_http_ensure_uri (backend);
cal_backend_http_load (backend, uri, &certificate_pem, &certificate_errors, cancellable, &error);
if (g_error_matches (error, SOUP_HTTP_ERROR, SOUP_STATUS_UNAUTHORIZED) ||
g_error_matches (error, SOUP_HTTP_ERROR, SOUP_STATUS_SSL_FAILED)) {
GError *local_error = NULL;
ESourceCredentialsReason reason = E_SOURCE_CREDENTIALS_REASON_REQUIRED;
if (g_error_matches (error, SOUP_HTTP_ERROR, SOUP_STATUS_SSL_FAILED)) {
reason = E_SOURCE_CREDENTIALS_REASON_SSL_FAILED;
}
e_backend_credentials_required_sync (E_BACKEND (backend),
reason, certificate_pem, certificate_errors, error, cancellable, &local_error);
g_clear_error (&error);
error = local_error;
} else if (g_error_matches (error, SOUP_HTTP_ERROR, SOUP_STATUS_FORBIDDEN)) {
GError *local_error = NULL;
e_backend_credentials_required_sync (E_BACKEND (backend), E_SOURCE_CREDENTIALS_REASON_REJECTED,
certificate_pem, certificate_errors, error, cancellable, &local_error);
g_clear_error (&error);
error = local_error;
}
g_free (certificate_pem);
backend->priv->is_loading = FALSE;
/* Ignore cancellations. */
if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) {
g_error_free (error);
} else if (error != NULL) {
e_cal_backend_notify_error (
E_CAL_BACKEND (backend),
error->message);
empty_cache (backend);
g_error_free (error);
}
d (g_message ("Retrieval really done.\n"));
}
/** Open connection to the 3e server and authenticate user.
*
* This function will do nothing and return TRUE if connection is already
* opened.
*
* @param cb 3E calendar backend.
* @param err Error pointer.
*
* @return TRUE if connection was already open, FALSE on error.
*/
gboolean e_cal_backend_3e_open_connection(ECalBackend3e *cb, GError * *err)
{
GError *local_err = NULL;
g_return_val_if_fail(cb != NULL, FALSE);
g_return_val_if_fail(err == NULL || *err == NULL, FALSE);
cb->priv->last_conn_failed = FALSE;
/* if user tried to open connection in offline mode, close current connection
if any and return error. this shouldn't happen, but let's check it anyway */
if (!e_backend_get_online(E_BACKEND(cb)))
{
g_set_error(err, 0, -1, "Can't open 3e server connection in offline mode.");
e_cal_backend_3e_close_connection(cb);
return FALSE;
}
g_static_rec_mutex_lock(&cb->priv->conn_mutex);
/* resolve server URI from DNS TXT if necessary */
if (cb->priv->server_uri == NULL)
{
char *server_hostname = get_eee_server_hostname(cb->priv->username);
if (server_hostname == NULL)
{
g_set_error(err, 0, -1, "Can't resolve server URI for username '%s'", cb->priv->username);
goto err;
}
cb->priv->server_uri = g_strdup_printf("https://%s/RPC2", server_hostname);
g_free(server_hostname);
}
/* check that we have all info that is necessary to create conn */
if (cb->priv->username == NULL || cb->priv->password == NULL || cb->priv->server_uri == NULL)
{
g_set_error(err, 0, -1, "Connection was not setup correctly, can't open.");
goto err;
}
/* create conn object */
if (cb->priv->conn == NULL)
{
cb->priv->conn = xr_client_new(err);
if (cb->priv->conn == NULL)
{
goto err;
}
cb->priv->is_open = FALSE;
}
if (cb->priv->is_open)
{
/* was already locked in this thread */
g_static_rec_mutex_unlock(&cb->priv->conn_mutex);
return TRUE;
}
if (!xr_client_open(cb->priv->conn, cb->priv->server_uri, err))
{
goto err;
}
ESClient_authenticate(cb->priv->conn, cb->priv->username, cb->priv->password, &local_err);
if (local_err)
{
g_propagate_error(err, local_err);
xr_client_close(cb->priv->conn);
goto err;
}
cb->priv->is_open = TRUE;
return TRUE;
err:
cb->priv->last_conn_failed = TRUE;
g_static_rec_mutex_unlock(&cb->priv->conn_mutex);
return FALSE;
}