/**
* g_tls_interaction_ask_password_async:
* @interaction: a #GTlsInteraction object
* @password: a #GTlsPassword object
* @cancellable: an optional #GCancellable cancellation object
* @callback: (allow-none): will be called when the interaction completes
* @user_data: (allow-none): data to pass to the @callback
*
* Run asynchronous interaction to ask the user for a password. In general,
* g_tls_interaction_invoke_ask_password() should be used instead of this
* function.
*
* Derived subclasses usually implement a password prompt, although they may
* also choose to provide a password from elsewhere. The @password value will
* be filled in and then @callback will be called. Alternatively the user may
* abort this password request, which will usually abort the TLS connection.
*
* If the interaction is cancelled by the cancellation object, or by the
* user then %G_TLS_INTERACTION_FAILED will be returned with an error that
* contains a %G_IO_ERROR_CANCELLED error code. Certain implementations may
* not support immediate cancellation.
*
* Certain implementations may not support immediate cancellation.
*
* Since: 2.30
*/
void
g_tls_interaction_ask_password_async (GTlsInteraction *interaction,
GTlsPassword *password,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
GTlsInteractionClass *klass;
GSimpleAsyncResult *res;
g_return_if_fail (G_IS_TLS_INTERACTION (interaction));
g_return_if_fail (G_IS_TLS_PASSWORD (password));
g_return_if_fail (cancellable == NULL || G_IS_CANCELLABLE (cancellable));
klass = G_TLS_INTERACTION_GET_CLASS (interaction);
if (klass->ask_password_async)
{
g_return_if_fail (klass->ask_password_finish);
(klass->ask_password_async) (interaction, password, cancellable,
callback, user_data);
}
else
{
res = g_simple_async_result_new (G_OBJECT (interaction), callback, user_data,
g_tls_interaction_ask_password_async);
g_simple_async_result_complete_in_idle (res);
g_object_unref (res);
}
}
/**
* g_tls_interaction_ask_password_finish:
* @interaction: a #GTlsInteraction object
* @result: the result passed to the callback
* @error: an optional location to place an error on failure
*
* Complete an ask password user interaction request. This should be once
* the g_tls_interaction_ask_password_async() completion callback is called.
*
* If %G_TLS_INTERACTION_HANDLED is returned, then the #GTlsPassword passed
* to g_tls_interaction_ask_password() will have its password filled in.
*
* If the interaction is cancelled by the cancellation object, or by the
* user then %G_TLS_INTERACTION_FAILED will be returned with an error that
* contains a %G_IO_ERROR_CANCELLED error code.
*
* Returns: The status of the ask password interaction.
*
* Since: 2.30
*/
GTlsInteractionResult
g_tls_interaction_ask_password_finish (GTlsInteraction *interaction,
GAsyncResult *result,
GError **error)
{
GTlsInteractionClass *klass;
g_return_val_if_fail (G_IS_TLS_INTERACTION (interaction), G_TLS_INTERACTION_UNHANDLED);
g_return_val_if_fail (G_IS_ASYNC_RESULT (result), G_TLS_INTERACTION_UNHANDLED);
/* If it's one of our simple unhandled async results, handle here */
if (g_simple_async_result_is_valid (result, G_OBJECT (interaction),
g_tls_interaction_ask_password_async))
{
return G_TLS_INTERACTION_UNHANDLED;
}
/* Invoke finish of derived class */
else
{
klass = G_TLS_INTERACTION_GET_CLASS (interaction);
g_return_val_if_fail (klass->ask_password_finish, G_TLS_INTERACTION_UNHANDLED);
return (klass->ask_password_finish) (interaction, result, error);
}
}
static gboolean
on_invoke_ask_password_async_as_sync (gpointer user_data)
{
InvokeClosure *closure = user_data;
GTlsInteractionClass *klass;
g_mutex_lock (closure->mutex);
klass = G_TLS_INTERACTION_GET_CLASS (closure->interaction);
g_assert (klass->ask_password_async);
klass->ask_password_async (closure->interaction,
G_TLS_PASSWORD (closure->argument),
closure->cancellable,
on_async_as_sync_complete,
closure);
/* Note that we've used these */
closure->callback = NULL;
closure->user_data = NULL;
g_mutex_unlock (closure->mutex);
return FALSE; /* don't call again */
}
/**
* g_tls_interaction_ask_password_async:
* @interaction: a #GTlsInteraction object
* @password: a #GTlsPassword object
* @cancellable: an optional #GCancellable cancellation object
* @callback: (allow-none): will be called when the interaction completes
* @user_data: (allow-none): data to pass to the @callback
*
* Run asynchronous interaction to ask the user for a password. In general,
* g_tls_interaction_invoke_ask_password() should be used instead of this
* function.
*
* Derived subclasses usually implement a password prompt, although they may
* also choose to provide a password from elsewhere. The @password value will
* be filled in and then @callback will be called. Alternatively the user may
* abort this password request, which will usually abort the TLS connection.
*
* If the interaction is cancelled by the cancellation object, or by the
* user then %G_TLS_INTERACTION_FAILED will be returned with an error that
* contains a %G_IO_ERROR_CANCELLED error code. Certain implementations may
* not support immediate cancellation.
*
* Certain implementations may not support immediate cancellation.
*
* Since: 2.30
*/
void
g_tls_interaction_ask_password_async (GTlsInteraction *interaction,
GTlsPassword *password,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
GTlsInteractionClass *klass;
GTask *task;
g_return_if_fail (G_IS_TLS_INTERACTION (interaction));
g_return_if_fail (G_IS_TLS_PASSWORD (password));
g_return_if_fail (cancellable == NULL || G_IS_CANCELLABLE (cancellable));
klass = G_TLS_INTERACTION_GET_CLASS (interaction);
if (klass->ask_password_async)
{
g_return_if_fail (klass->ask_password_finish);
(klass->ask_password_async) (interaction, password, cancellable,
callback, user_data);
}
else
{
task = g_task_new (interaction, cancellable, callback, user_data);
g_task_set_source_tag (task, g_tls_interaction_ask_password_async);
g_task_return_int (task, G_TLS_INTERACTION_UNHANDLED);
g_object_unref (task);
}
}
/**
* g_tls_interaction_ask_password:
* @interaction: a #GTlsInteraction object
* @password: a #GTlsPassword object
* @cancellable: an optional #GCancellable cancellation object
* @error: an optional location to place an error on failure
*
* Run synchronous interaction to ask the user for a password. In general,
* g_tls_interaction_invoke_ask_password() should be used instead of this
* function.
*
* Derived subclasses usually implement a password prompt, although they may
* also choose to provide a password from elsewhere. The @password value will
* be filled in and then @callback will be called. Alternatively the user may
* abort this password request, which will usually abort the TLS connection.
*
* If the interaction is cancelled by the cancellation object, or by the
* user then %G_TLS_INTERACTION_FAILED will be returned with an error that
* contains a %G_IO_ERROR_CANCELLED error code. Certain implementations may
* not support immediate cancellation.
*
* Returns: The status of the ask password interaction.
*
* Since: 2.30
*/
GTlsInteractionResult
g_tls_interaction_ask_password (GTlsInteraction *interaction,
GTlsPassword *password,
GCancellable *cancellable,
GError **error)
{
GTlsInteractionClass *klass;
g_return_val_if_fail (G_IS_TLS_INTERACTION (interaction), G_TLS_INTERACTION_UNHANDLED);
g_return_val_if_fail (G_IS_TLS_PASSWORD (password), G_TLS_INTERACTION_UNHANDLED);
g_return_val_if_fail (cancellable == NULL || G_IS_CANCELLABLE (cancellable), G_TLS_INTERACTION_UNHANDLED);
klass = G_TLS_INTERACTION_GET_CLASS (interaction);
if (klass->ask_password)
return (klass->ask_password) (interaction, password, cancellable, error);
else
return G_TLS_INTERACTION_UNHANDLED;
}
static void
on_async_as_sync_complete (GObject *source,
GAsyncResult *result,
gpointer user_data)
{
InvokeClosure *closure = user_data;
GTlsInteractionClass *klass;
g_mutex_lock (closure->mutex);
klass = G_TLS_INTERACTION_GET_CLASS (closure->interaction);
g_assert (klass->ask_password_finish);
closure->result = klass->ask_password_finish (closure->interaction,
result,
&closure->error);
closure->complete = TRUE;
g_cond_signal (closure->cond);
g_mutex_unlock (closure->mutex);
}
static gboolean
on_invoke_ask_password_sync (gpointer user_data)
{
InvokeClosure *closure = user_data;
GTlsInteractionClass *klass;
g_mutex_lock (closure->mutex);
klass = G_TLS_INTERACTION_GET_CLASS (closure->interaction);
g_assert (klass->ask_password);
closure->result = klass->ask_password (closure->interaction,
G_TLS_PASSWORD (closure->argument),
closure->cancellable,
&closure->error);
closure->complete = TRUE;
g_cond_signal (closure->cond);
g_mutex_unlock (closure->mutex);
return FALSE; /* don't call again */
}
/**
* g_tls_interaction_ask_password_finish:
* @interaction: a #GTlsInteraction object
* @result: the result passed to the callback
* @error: an optional location to place an error on failure
*
* Complete an ask password user interaction request. This should be once
* the g_tls_interaction_ask_password_async() completion callback is called.
*
* If %G_TLS_INTERACTION_HANDLED is returned, then the #GTlsPassword passed
* to g_tls_interaction_ask_password() will have its password filled in.
*
* If the interaction is cancelled by the cancellation object, or by the
* user then %G_TLS_INTERACTION_FAILED will be returned with an error that
* contains a %G_IO_ERROR_CANCELLED error code.
*
* Returns: The status of the ask password interaction.
*
* Since: 2.30
*/
GTlsInteractionResult
g_tls_interaction_ask_password_finish (GTlsInteraction *interaction,
GAsyncResult *result,
GError **error)
{
GTlsInteractionClass *klass;
g_return_val_if_fail (G_IS_TLS_INTERACTION (interaction), G_TLS_INTERACTION_UNHANDLED);
g_return_val_if_fail (G_IS_ASYNC_RESULT (result), G_TLS_INTERACTION_UNHANDLED);
klass = G_TLS_INTERACTION_GET_CLASS (interaction);
if (klass->ask_password_finish)
{
g_return_val_if_fail (klass->ask_password_async != NULL, G_TLS_INTERACTION_UNHANDLED);
return (klass->ask_password_finish) (interaction, result, error);
}
else
{
g_return_val_if_fail (g_async_result_is_tagged (result, g_tls_interaction_ask_password_async), G_TLS_INTERACTION_UNHANDLED);
return g_task_propagate_int (G_TASK (result), error);
}
}
/**
* g_tls_interaction_invoke_ask_password:
* @interaction: a #GTlsInteraction object
* @password: a #GTlsPassword object
* @cancellable: an optional #GCancellable cancellation object
* @error: an optional location to place an error on failure
*
* Invoke the interaction to ask the user for a password. It invokes this
* interaction in the main loop, specifically the #GMainContext returned by
* g_main_context_get_thread_default() when the interaction is created. This
* is called by called by #GTlsConnection or #GTlsDatabase to ask the user
* for a password.
*
* Derived subclasses usually implement a password prompt, although they may
* also choose to provide a password from elsewhere. The @password value will
* be filled in and then @callback will be called. Alternatively the user may
* abort this password request, which will usually abort the TLS connection.
*
* The implementation can either be a synchronous (eg: modal dialog) or an
* asynchronous one (eg: modeless dialog). This function will take care of
* calling which ever one correctly.
*
* If the interaction is cancelled by the cancellation object, or by the
* user then %G_TLS_INTERACTION_FAILED will be returned with an error that
* contains a %G_IO_ERROR_CANCELLED error code. Certain implementations may
* not support immediate cancellation.
*
* Returns: The status of the ask password interaction.
*
* Since: 2.30
*/
GTlsInteractionResult
g_tls_interaction_invoke_ask_password (GTlsInteraction *interaction,
GTlsPassword *password,
GCancellable *cancellable,
GError **error)
{
GTlsInteractionResult result;
InvokeClosure *closure;
GTlsInteractionClass *klass;
g_return_val_if_fail (G_IS_TLS_INTERACTION (interaction), G_TLS_INTERACTION_UNHANDLED);
g_return_val_if_fail (G_IS_TLS_PASSWORD (password), G_TLS_INTERACTION_UNHANDLED);
g_return_val_if_fail (cancellable == NULL || G_IS_CANCELLABLE (cancellable), G_TLS_INTERACTION_UNHANDLED);
closure = invoke_closure_new (interaction, G_OBJECT (password), cancellable);
klass = G_TLS_INTERACTION_GET_CLASS (interaction);
if (klass->ask_password)
{
g_main_context_invoke (interaction->priv->context,
on_invoke_ask_password_sync, closure);
result = invoke_closure_wait_and_free (closure, error);
}
else if (klass->ask_password_async)
{
g_return_val_if_fail (klass->ask_password_finish, G_TLS_INTERACTION_UNHANDLED);
g_main_context_invoke (interaction->priv->context,
on_invoke_ask_password_async_as_sync, closure);
/*
* Handle the case where we've been called from within the main context
* or in the case where the main context is not running. This approximates
* the behavior of a modal dialog.
*/
if (g_main_context_acquire (interaction->priv->context))
{
while (!closure->complete)
{
g_mutex_unlock (closure->mutex);
g_main_context_iteration (interaction->priv->context, TRUE);
g_mutex_lock (closure->mutex);
}
g_main_context_release (interaction->priv->context);
if (closure->error)
{
g_propagate_error (error, closure->error);
closure->error = NULL;
}
result = closure->result;
invoke_closure_free (closure);
}
/*
* Handle the case where we're in a different thread than the main
* context and a main loop is running.
*/
else
{
result = invoke_closure_wait_and_free (closure, error);
}
}
else
{
result = G_TLS_INTERACTION_UNHANDLED;
invoke_closure_free (closure);
}
return result;
}
