Files
federated-calendar/tests/gcal-simple-server.c
T
2022-06-22 08:51:30 -03:00

333 lines
9.1 KiB
C

/* gcal-simple-server.c
*
* Copyright 2019 Georges Basile Stavracas Neto <georges.stavracas@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* SPDX-License-Identifier: GPL-3.0-or-later
*/
#define G_LOG_DOMAIN "GcalSimpleServer"
#include "gcal-simple-server.h"
struct _GcalSimpleServer
{
GObject parent;
/* Only valid while running */
GThread *thread;
GMainLoop *thread_mainloop;
SoupServer *server;
GUri *uri;
GMutex running_mutex;
GCond running_cond;
gboolean running;
};
G_DEFINE_TYPE (GcalSimpleServer, gcal_simple_server, G_TYPE_OBJECT)
/*
* Auxiliary methods
*/
static void
process_get (SoupServerMessage *message,
const gchar *prefix,
const gchar *path)
{
g_autofree gchar *calendar_path = g_strdup_printf ("%s/calendar", prefix);
g_autofree gchar *calendar_file = g_strdup_printf ("%s/calendar.ics", prefix);
if (g_strcmp0 (path, calendar_path) == 0)
{
g_debug ("Serving empty calendar");
soup_server_message_set_response (message,
"text/calendar",
SOUP_MEMORY_STATIC,
GCAL_TEST_SERVER_EMPTY_CALENDAR,
strlen (GCAL_TEST_SERVER_EMPTY_CALENDAR));
}
if (g_strcmp0 (path, calendar_file) == 0)
{
g_autoptr (GBytes) bytes = NULL;
GMappedFile *mapping;
g_debug ("Serving calendar.ics");
mapping = g_mapped_file_new (path, FALSE, NULL);
if (!mapping)
{
soup_server_message_set_status (message, SOUP_STATUS_INTERNAL_SERVER_ERROR, NULL);
return;
}
bytes = g_bytes_new_with_free_func (g_mapped_file_get_contents (mapping),
g_mapped_file_get_length (mapping),
(GDestroyNotify)g_mapped_file_unref,
mapping);
soup_message_body_append_bytes (soup_server_message_get_response_body (message), bytes);
}
}
static void
process_caldav (SoupServerMessage *message,
const gchar *path)
{
g_debug ("Processing CalDAV request");
}
/*
* Callbacks
*/
static gboolean
idle_quit_server_cb (gpointer user_data)
{
GcalSimpleServer *self = user_data;
g_main_loop_quit (self->thread_mainloop);
return G_SOURCE_REMOVE;
}
static void
no_auth_handler_cb (SoupServer *server,
SoupServerMessage *message,
const gchar *path,
GHashTable *query,
gpointer user_data)
{
g_debug ("No authenticaton needed");
if (g_strcmp0 (soup_server_message_get_method (message), SOUP_METHOD_GET) == 0)
process_get (message, "/public", path);
else if (g_strcmp0 (soup_server_message_get_method (message), SOUP_METHOD_PROPFIND) == 0)
process_caldav (message, path);
else
soup_server_message_set_status (message, SOUP_STATUS_NOT_IMPLEMENTED, NULL);
}
static void
auth_handler_cb (SoupServer *server,
SoupServerMessage *message,
const gchar *path,
GHashTable *query,
gpointer user_data)
{
g_debug ("Needs authenticaton");
if (g_strcmp0 (soup_server_message_get_method (message), SOUP_METHOD_GET) == 0)
process_get (message, "/secret-area", path);
else if (g_strcmp0 (soup_server_message_get_method (message), SOUP_METHOD_PROPFIND) == 0)
process_caldav (message, path);
else
soup_server_message_set_status (message, SOUP_STATUS_NOT_IMPLEMENTED, NULL);
}
static gboolean
authorize_cb (SoupAuthDomain *domain,
SoupServerMessage *message,
const char *username,
const char *password,
gpointer user_data)
{
const struct {
const gchar *username;
const gchar *password;
} valid_credentials[] = {
{ "unicorn", "iamnotahorse" },
{ "feaneron", "idonotmaintainanything" },
{ "purism", "FINISHTHEPHONE!" },
};
guint i;
g_debug ("Authorizing username: '%s', password: '%s'", username, password);
if (!username && !password)
return FALSE;
for (i = 0; i < G_N_ELEMENTS (valid_credentials); i++)
{
if (g_strcmp0 (valid_credentials[i].username, username) == 0 &&
g_strcmp0 (valid_credentials[i].password, password) == 0)
{
return TRUE;
}
}
return FALSE;
}
static gpointer
run_server_in_thread (gpointer data)
{
g_autoptr (SoupAuthDomain) domain = NULL;
g_autoptr (GMainContext) context = NULL;
g_autoptr (SoupServer) server = NULL;
g_autoptr (GMainLoop) mainloop = NULL;
g_autoslist (GUri) uris = NULL;
g_autoptr (GError) error = NULL;
GcalSimpleServer *self = data;
g_autofree gchar *uri = NULL;
context = g_main_context_new ();
g_main_context_push_thread_default (context);
mainloop = g_main_loop_new (context, FALSE);
self->thread_mainloop = mainloop;
server = soup_server_new ("server-header", "gcal-simple-server",
NULL);
/* Anything under /secret-area and /private requires authentication */
domain = soup_auth_domain_basic_new ("realm", "GcalSimpleServer",
"auth-callback", authorize_cb,
"auth-data", self,
NULL);
soup_auth_domain_add_path (domain, "/secret-area");
soup_server_add_auth_domain (server, domain);
soup_server_listen_local (server, 0, SOUP_SERVER_LISTEN_IPV4_ONLY, &error);
if (error)
{
g_critical ("Error starting up server: %s", error->message);
return NULL;
}
soup_server_add_handler (server, NULL, no_auth_handler_cb, NULL, NULL);
soup_server_add_handler (server, "/public", no_auth_handler_cb, NULL, NULL);
soup_server_add_handler (server, "/secret-area", auth_handler_cb, NULL, NULL);
uris = soup_server_get_uris (server);
g_assert_cmpint (g_slist_length (uris), ==, 1);
self->uri = g_uri_ref (uris->data);
uri = g_uri_to_string_partial (self->uri, G_URI_HIDE_PASSWORD);
g_debug ("Listening on %s", uri);
g_mutex_lock (&self->running_mutex);
self->running = TRUE;
g_cond_signal (&self->running_cond);
g_mutex_unlock (&self->running_mutex);
g_main_loop_run (mainloop);
g_debug ("Stopping");
soup_server_disconnect (server);
g_main_context_pop_thread_default (context);
return NULL;
}
/*
* GObject overrides
*/
static void
gcal_simple_server_finalize (GObject *object)
{
GcalSimpleServer *self = (GcalSimpleServer *)object;
if (self->thread)
gcal_simple_server_stop (self);
g_clear_pointer (&self->uri, g_uri_unref);
G_OBJECT_CLASS (gcal_simple_server_parent_class)->finalize (object);
}
static void
gcal_simple_server_class_init (GcalSimpleServerClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = gcal_simple_server_finalize;
}
static void
gcal_simple_server_init (GcalSimpleServer *self)
{
}
GcalSimpleServer *
gcal_simple_server_new (void)
{
return g_object_new (GCAL_TYPE_SIMPLE_SERVER, NULL);
}
void
gcal_simple_server_start (GcalSimpleServer *self)
{
g_return_if_fail (GCAL_IS_SIMPLE_SERVER (self));
if (self->thread)
{
g_warning ("Server already started");
return;
}
self->thread = g_thread_new ("gcal_simple_server_thread", run_server_in_thread, self);
g_mutex_lock (&self->running_mutex);
while (!self->running)
g_cond_wait (&self->running_cond, &self->running_mutex);
g_mutex_unlock (&self->running_mutex);
}
void
gcal_simple_server_stop (GcalSimpleServer *self)
{
GMainContext *context;
g_autoptr (GSource) source;
g_return_if_fail (GCAL_IS_SIMPLE_SERVER (self));
if (!self->thread)
{
g_warning ("Server not running");
return;
}
context = g_main_loop_get_context (self->thread_mainloop);
source = g_idle_source_new ();
g_source_set_priority (source, G_PRIORITY_DEFAULT);
g_source_set_callback (source, idle_quit_server_cb, self, NULL);
g_source_attach (source, context);
g_mutex_lock (&self->running_mutex);
self->running = FALSE;
g_cond_signal (&self->running_cond);
g_mutex_unlock (&self->running_mutex);
g_thread_join (self->thread);
self->thread = NULL;
}
GUri*
gcal_simple_server_get_uri (GcalSimpleServer *self)
{
g_return_val_if_fail (GCAL_IS_SIMPLE_SERVER (self), NULL);
g_return_val_if_fail (self->thread != NULL, NULL);
return g_uri_ref (self->uri);
}