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);
}
/* 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);
}
}
