function dispatch($request_uri, $options)
{
/* parse request uri start
* -----------------------------------
*/
$p = strpos($request_uri, '?');
$request_uri = $p !== false ? substr($request_uri, 0, $p) : $request_uri;
/* security request uri filter. */
if (preg_match('/(\\.\\.|\\"|\'|<|>)/', $request_uri)) {
return array('errno' => 403, 'data' => "permission denied.");
}
/* get display format. */
if (($p = strrpos($request_uri, '.')) !== false) {
$tail = substr($request_uri, $p + 1);
if (preg_match('/^[a-zA-Z0-9]+$/', $tail)) {
$display = $tail;
//'json'
$request_uri = substr($request_uri, 0, $p);
}
}
/* get version, module, id, method. */
$requests = array_pad(explode('/', $request_uri, 5), 5, NULL);
list(, $module, $id, $method) = $requests;
/* default format: json */
empty($display) && ($display = 'json');
empty($method) && ($method = 'get');
if (isset($_GET['id'])) {
$id = $_GET['id'];
}
$_ENV['module'] = $module;
$_ENV['id'] = $id;
$_ENV['method'] = $method;
$_ENV['display'] = $display;
//$_ENV['version']= $version;
/*-------------------------------------
* parse request uri end
*/
if (empty($module)) {
$dt = array('errno' => CYE_PARAM_ERROR, 'code' => 404, 'data' => 'Not found.');
goto end;
}
if ($module == 'static') {
$file = CY_HOME . '/app' . $request_uri . '.' . $display;
if (is_file($file)) {
$content = file_get_contents($file);
return ['errno' => 0, 'code' => 200, 'data' => $content];
}
}
$classname = 'CA_Entry_' . $module;
if (!method_exists($classname, $method) && !method_exists($classname, '__call')) {
$classname .= '_' . $method;
$run = isset($_GET['a']) ? $_GET['a'] : 'run';
if (!method_exists($classname, $run)) {
$errno = CYE_PARAM_ERROR;
$error = "method is not exists {$classname}:{$method}";
$dt = array('errno' => $errno, 'code' => 404, 'data' => 'unkown request.', 'error' => $error);
goto end;
}
$eny = new $classname();
$dt = $eny->{$method}($id, $_REQUEST, $_ENV);
} else {
$eny = new $classname();
$dt = $eny->{$method}($id, $_REQUEST, $_ENV);
}
unset($eny);
if ($dt['errno'] !== 0) {
cy_log(CYE_ERROR, json_encode($dt));
if ($dt['errno'] != CYE_PARAM_ERROR) {
$dt['code'] = 500;
} else {
$dt['code'] = 200;
}
if (empty($dt['error'])) {
$dt['data'] = 'Internal error.';
} else {
$dt['data'] = $dt['error'];
}
} else {
$dt['code'] = 200;
}
end:
if ($display === 'html' || $display === 'php') {
if ($dt['errno'] == 0) {
$files = array();
$files[] = CY_HOME . '/app/html/' . $module . '/' . $method . '.' . $display;
$files[] = CY_HOME . '/app/html/' . $module . '.' . $display;
$files[] = CY_HOME . '/app/html/default.' . $display;
foreach ($files as $i => $file) {
if (is_file($file)) {
break;
}
if ($i === 1 && $display === 'html') {
$_ENV['display'] = $display = 'php';
goto end;
}
}
} else {
$file = CY_HOME . '/app/html/error.' . $display;
}
} else {
$file = NULL;
}
$t = new CY_Util_Output();
$t->assign(['errno' => $dt['errno'], 'data' => $dt['data']]);
$data = $t->get($file);
return ['errno' => 0, 'code' => $dt['code'], 'data' => $data];
}
$eny = new $classname();
$dt = $eny->{$_g_method}($_g_id, $_REQUEST, $_ENV);
}
if (!isset($dt['errno'])) {
exit("Bad entry return value.");
}
end:
if ($_g_display === 'html' || $_g_display === 'php') {
if ($dt['errno'] == 0) {
$files = array();
$files[] = CY_HOME . '/app/html/' . $_g_module . '/' . $_g_method . '.' . $_g_display;
$files[] = CY_HOME . '/app/html/' . $_g_module . '.' . $_g_display;
$files[] = CY_HOME . '/app/html/default.' . $_g_display;
foreach ($files as $i => $file) {
if (is_file($file)) {
break;
}
if ($i === 1 && $_g_display === 'html') {
$_ENV['display'] = $_g_display = 'php';
goto end;
}
}
} else {
$file = CY_HOME . '/app/html/error.' . $_g_display;
}
} else {
$file = NULL;
}
$t = new CY_Util_Output();
$t->assign($dt);
$t->render($file);
/**
* 脚本执行终止
* cy_exit可以跟据请求的不同，输入json,xml,html等不同格式的错误信息
*
* @author xiaoyjy@gmail.com
*
* @param int $errno error code int lib/util/errno.php
* @param string $message user defined error message
* @param CY_Util_Output $t output template
*/
function cy_exit($errno = 0, $message = NULL, $t = NULL)
{
/* Many be used in shutdown functions. */
$_ENV['errno'] = $errno;
$data = [];
/* hacked, return data by message. */
if (is_array($message)) {
$tmp = $message;
$error = isset($message['error']) ? $message['error'] : NULL;
unset($tmp['error']);
$data += $tmp;
} elseif (is_string($message)) {
$error = $message;
}
/* First field must be 'result'. */
$data = array('errno' => $errno, 'error' => empty($error) ? cy_strerror($errno) : $error, 'exitting' => true);
$t == NULL && ($t = new CY_Util_Output());
$t->assign($data);
$file = $_ENV['display'] === 'html' || $_ENV['display'] === 'php' ? CY_HOME . '/app/html/error.' . $_ENV['display'] : NULL;
echo $t->render($file);
/* useful in nginx, useless in apache. */
if (function_exists('fastcgi_finish_request')) {
/* if use fastcgi, we may finish it first. */
fastcgi_finish_request();
}
exit($errno);
}
