static gboolean
mock_http_headers (CockpitWebResponse *response,
GHashTable *in_headers)
{
GHashTableIter iter;
GHashTable *headers;
gpointer name, value;
headers = cockpit_web_server_new_table();
g_hash_table_iter_init (&iter, in_headers);
while (g_hash_table_iter_next (&iter, &name, &value))
{
if (g_str_has_prefix (name, "Header"))
g_hash_table_insert (headers, g_strdup (name), g_strdup (value));
}
g_hash_table_replace (headers, g_strdup ("Header3"), g_strdup ("three"));
g_hash_table_replace (headers, g_strdup ("Header4"), g_strdup ("marmalade"));
cockpit_web_response_headers_full (response, 201, "Yoo Hoo", -1, headers);
cockpit_web_response_complete (response);
g_hash_table_unref (headers);
return TRUE;
}
static void
send_login_html (CockpitWebResponse *response,
CockpitHandlerData *ws)
{
GHashTable *headers = NULL;
GList *l, *output = NULL;
gchar *login_html;
GMappedFile *file;
GError *error = NULL;
GBytes *body = NULL;
gsize length;
login_html = g_build_filename (ws->static_roots[0], "login.html", NULL);
file = g_mapped_file_new (login_html, FALSE, &error);
if (file == NULL)
{
g_warning ("%s: %s", login_html, error->message);
cockpit_web_response_error (response, 500, NULL, NULL);
g_clear_error (&error);
goto out;
}
body = g_mapped_file_get_bytes (file);
output = cockpit_template_expand (body, substitute_environment, ws->os_release);
length = 0;
for (l = output; l != NULL; l = g_list_next (l))
length += g_bytes_get_size (l->data);
headers = cockpit_web_server_new_table ();
g_hash_table_insert (headers, g_strdup ("Content-Type"), g_strdup ("text/html; charset=utf8"));
cockpit_web_response_headers_full (response, 200, "OK", length, headers);
for (l = output; l != NULL; l = g_list_next (l))
{
if (!cockpit_web_response_queue (response, l->data))
break;
}
if (l == NULL)
cockpit_web_response_complete (response);
out:
g_list_free_full (output, (GDestroyNotify)g_bytes_unref);
if (headers)
g_hash_table_unref (headers);
g_free (login_html);
if (body)
g_bytes_unref (body);
if (file)
g_mapped_file_unref (file);
}
static gboolean
ensure_headers (CockpitChannelResponse *chesp,
guint status,
const gchar *reason)
{
if (cockpit_web_response_get_state (chesp->response) == COCKPIT_WEB_RESPONSE_READY)
{
if (chesp->inject)
cockpit_channel_inject_perform (chesp->inject, chesp->response, chesp->transport);
cockpit_web_response_headers_full (chesp->response, status, reason, -1, chesp->headers);
return TRUE;
}
return FALSE;
}
static gboolean
mock_http_host (CockpitWebResponse *response,
GHashTable *in_headers)
{
GHashTable *headers;
headers = cockpit_web_server_new_table();
g_hash_table_insert (headers, g_strdup ("Host"), g_strdup (g_hash_table_lookup (in_headers, "Host")));
cockpit_web_response_headers_full (response, 201, "Yoo Hoo", -1, headers);
cockpit_web_response_complete (response);
g_hash_table_unref (headers);
return TRUE;
}
static void
on_login_complete (GObject *object,
GAsyncResult *result,
gpointer user_data)
{
CockpitWebResponse *response = user_data;
GError *error = NULL;
JsonObject *response_data = NULL;
GHashTable *headers;
GIOStream *io_stream;
GBytes *content;
io_stream = cockpit_web_response_get_stream (response);
headers = cockpit_web_server_new_table ();
response_data = cockpit_auth_login_finish (COCKPIT_AUTH (object), result,
io_stream, headers, &error);
/* Never cache a login response */
cockpit_web_response_set_cache_type (response, COCKPIT_WEB_RESPONSE_NO_CACHE);
if (error)
{
if (response_data)
{
g_hash_table_insert (headers, g_strdup ("Content-Type"), g_strdup ("application/json"));
content = cockpit_json_write_bytes (response_data);
cockpit_web_response_headers_full (response, 401, "Authentication required", -1, headers);
cockpit_web_response_queue (response, content);
cockpit_web_response_complete (response);
g_bytes_unref (content);
}
else
{
cockpit_web_response_gerror (response, headers, error);
}
g_error_free (error);
}
else
{
send_login_response (response, response_data, headers);
}
if (response_data)
json_object_unref (response_data);
g_hash_table_unref (headers);
g_object_unref (response);
}
/**
* cockpit_web_response_content:
* @self: the response
* @headers: headers to include or NULL
* @block: first block to send
*
* This is a simple way to send an HTTP response as a single
* call. The response will be complete after this call, and will
* send in the main-loop.
*
* The var args are additional GBytes* blocks to send, followed by
* a trailing NULL.
*
* Don't include Content-Length or Connection in @headers.
*
* This calls cockpit_web_response_headers_full(),
* cockpit_web_response_queue() and cockpit_web_response_complete()
* internally.
*/
void
cockpit_web_response_content (CockpitWebResponse *self,
GHashTable *headers,
GBytes *block,
...)
{
GBytes *first;
gsize length = 0;
va_list va;
va_list va2;
g_return_if_fail (COCKPIT_IS_WEB_RESPONSE (self));
first = block;
va_start (va, block);
va_copy (va2, va);
while (block)
{
length += g_bytes_get_size (block);
block = va_arg (va, GBytes *);
}
va_end (va);
cockpit_web_response_headers_full (self, 200, "OK", length, headers);
block = first;
for (;;)
{
if (!block)
{
cockpit_web_response_complete (self);
break;
}
if (!cockpit_web_response_queue (self, block))
break;
block = va_arg (va2, GBytes *);
}
va_end (va2);
}
/**
* cockpit_web_response_error:
* @self: the response
* @status: the HTTP status code
* @headers: headers to include or NULL
* @format: printf format of error message
*
* Send an error message with a basic HTML page containing
* the error.
*/
void
cockpit_web_response_error (CockpitWebResponse *self,
guint code,
GHashTable *headers,
const gchar *format,
...)
{
va_list var_args;
gchar *reason = NULL;
const gchar *message;
GBytes *input = NULL;
GList *output, *l;
GError *error = NULL;
g_return_if_fail (COCKPIT_IS_WEB_RESPONSE (self));
if (format)
{
va_start (var_args, format);
reason = g_strdup_vprintf (format, var_args);
va_end (var_args);
message = reason;
}
else
{
switch (code)
{
case 400:
message = "Bad request";
break;
case 401:
message = "Not Authorized";
break;
case 403:
message = "Forbidden";
break;
case 404:
message = "Not Found";
break;
case 405:
message = "Method Not Allowed";
break;
case 413:
message = "Request Entity Too Large";
break;
case 502:
message = "Remote Page is Unavailable";
break;
case 500:
message = "Internal Server Error";
break;
default:
if (code < 100)
reason = g_strdup_printf ("%u Continue", code);
else if (code < 200)
reason = g_strdup_printf ("%u OK", code);
else if (code < 300)
reason = g_strdup_printf ("%u Moved", code);
else
reason = g_strdup_printf ("%u Failed", code);
message = reason;
break;
}
}
g_debug ("%s: returning error: %u %s", self->logname, code, message);
if (cockpit_web_failure_resource)
{
input = g_resources_lookup_data (cockpit_web_failure_resource, G_RESOURCE_LOOKUP_FLAGS_NONE, &error);
if (input == NULL)
{
g_critical ("couldn't load: %s: %s", cockpit_web_failure_resource, error->message);
g_error_free (error);
}
}
if (!input)
input = g_bytes_new_static (default_failure_template, strlen (default_failure_template));
if (headers)
{
if (!g_hash_table_lookup (headers, "Content-Type"))
g_hash_table_replace (headers, g_strdup ("Content-Type"), g_strdup ("text/html; charset=utf8"));
cockpit_web_response_headers_full (self, code, message, -1, headers);
}
else
{
cockpit_web_response_headers (self, code, message, -1, "Content-Type", "text/html; charset=utf8", NULL);
}
output = cockpit_template_expand (input, substitute_message, (gpointer)message);
g_bytes_unref (input);
for (l = output; l != NULL; l = g_list_next (l))
{
if (!cockpit_web_response_queue (self, l->data))
break;
}
if (l == NULL)
cockpit_web_response_complete (self);
g_list_free_full (output, (GDestroyNotify)g_bytes_unref);
g_free (reason);
}
/**
* cockpit_web_response_error:
* @self: the response
* @status: the HTTP status code
* @headers: headers to include or NULL
* @format: printf format of error message
*
* Send an error message with a basic HTML page containing
* the error.
*/
void
cockpit_web_response_error (CockpitWebResponse *self,
guint code,
GHashTable *headers,
const gchar *format,
...)
{
gchar *body = NULL;
va_list var_args;
gchar *reason = NULL;
const gchar *message;
GBytes *content;
gsize length;
if (format)
{
va_start (var_args, format);
reason = g_strdup_vprintf (format, var_args);
va_end (var_args);
message = reason;
}
else
{
switch (code)
{
case 400:
message = "Bad request";
break;
case 401:
message = "Not Authorized";
break;
case 403:
message = "Forbidden";
break;
case 404:
message = "Not Found";
break;
case 405:
message = "Method Not Allowed";
break;
case 413:
message = "Request Entity Too Large";
break;
case 500:
message = "Internal Server Error";
break;
default:
if (code < 100)
reason = g_strdup_printf ("%u Continue", code);
else if (code < 200)
reason = g_strdup_printf ("%u OK", code);
else if (code < 300)
reason = g_strdup_printf ("%u Moved", code);
else
reason = g_strdup_printf ("%u Failed", code);
message = reason;
break;
}
}
body = g_strdup_printf ("<html><head><title>%u %s</title></head>"
"<body>%s</body></html>",
code, message, message);
g_debug ("%s: returning error: %u %s", self->logname, code, message);
length = strlen (body);
content = g_bytes_new_take (body, length);
cockpit_web_response_headers_full (self, code, message, length, headers);
if (cockpit_web_response_queue (self, content))
cockpit_web_response_complete (self);
g_bytes_unref (content);
g_free (reason);
}
