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Add ability to parse routes into regexp

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This commit is contained in:
Kijin Sung 2020-06-12 23:19:23 +09:00
parent 7cf17bc43f
commit 2d1a7ec432
1 changed files with 81 additions and 3 deletions
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84
common/framework/parsers/moduleactionparser.php
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@ -7,6 +7,19 @@ namespace Rhymix\Framework\Parsers;
*/
class ModuleActionParser
{
/**
* Shortcuts for route definition.
*/
protected static $_shortcuts = array(
'int' => '[1-9][0-9]*',
'float' => '[0-9]+(?:\.[0-9]+)?',
'number' => '[0-9]+',
'alpha' => '[a-zA-Z]+',
'alphanum' => '[a-zA-Z0-9]+',
'hex' => '[0-9a-f]+',
'word' => '[a-zA-Z0-9_]+',
);
/**
* Load an XML file.
*
@ -31,6 +44,9 @@ class ModuleActionParser
$info->default_index_act = '';
$info->setup_index_act = '';
$info->simple_setup_index_act = '';
$info->route = new \stdClass;
$info->route->GET = [];
$info->route->POST = [];
$info->action = new \stdClass;
$info->menu = new \stdClass;
$info->grant = new \stdClass;
@ -47,7 +63,7 @@ class ModuleActionParser
$info->grant->{$grant_name} = $grant_info;
}
// Parse permissions.
// Parse permissions not defined in the <actions> section.
foreach ($xml->permissions->permission as $permission)
{
$action_name = trim($permission['action']);
@ -75,6 +91,7 @@ class ModuleActionParser
// Parse actions.
foreach ($xml->actions->action as $action)
{
// Parse permissions.
$action_name = trim($action['name']);
$permission = trim($action['permission']);
if ($permission)
@ -88,16 +105,42 @@ class ModuleActionParser
$info->permission_check->{$action_name}->type = trim($action['check_type']) ?: trim($action['check-type']);
}
// Parse routes.
$route = trim($action['route']);
$method = trim($action['method']);
$route_vars = [];
if ($route)
{
$route_info = self::analyzeRoute($route);
$route_vars = $route_info->vars;
if ($method)
{
$methods = explode('|', strtoupper($method));
}
else
{
$methods = starts_with('proc', $action_name) ? ['POST'] : ['GET'];
}
foreach ($methods as $method)
{
$info->route->{$method}[$route_info->regexp] = $action_name;
}
}
// Parse other information about this action.
$action_info = new \stdClass;
$action_info->type = trim($action['type']);
$action_info->grant = trim($action['grant']) ?: 'guest';
$action_info->standalone = trim($action['standalone']) === 'false' ? 'false' : 'true';
$action_info->ruleset = trim($action['ruleset']);
$action_info->method = trim($action['method']);
$action_info->method = $method;
$action_info->route = $route;
$action_info->route_vars = $route_vars;
$action_info->standalone = trim($action['standalone']) === 'false' ? 'false' : 'true';
$action_info->check_csrf = (trim($action['check_csrf']) ?: trim($action['check-csrf'])) === 'false' ? 'false' : 'true';
$action_info->meta_noindex = (trim($action['meta_noindex']) ?: trim($action['meta-noindex'])) === 'true' ? 'true' : 'false';
$info->action->{$action_name} = $action_info;
// Set the menu name and index settings.
$menu_name = trim($action['menu_name']);
if ($menu_name)
{
@ -129,6 +172,41 @@ class ModuleActionParser
return $info;
}
/**
* Convert route definition into a regular expression.
*
* @param string $route
* @return object
*/
public static function analyzeRoute(string $route): object
{
// Replace variables in the route definition into appropriate regexp.
$var_regexp = '#\\$([a-z0-9_]+)(?::(' . implode('|', array_keys(self::$_shortcuts)) . '))?#i';
$vars = array();
$regexp = preg_replace_callback($var_regexp, function($match) use(&$vars) {
if (isset($match[2]) && isset(self::$_shortcuts[$match[2]]))
{
$var_pattern = self::$_shortcuts[$match[2]];
}
else
{
$var_pattern = ends_with('_srl', $match[1]) ? '[0-9]+' : '[^/]+';
}
$named_group = '(?P<' . $match[1] . '>' . $var_pattern . ')';
$vars[] = $match[1];
return $named_group;
}, $route);
// Anchor the regexp at both ends.
$regexp = '#^' . strtr($regexp, ['#' => '\\#']) . '$#u';
// Return the regexp and variable list.
$result = new \stdClass;
$result->regexp = $regexp;
$result->vars = $vars;
return $result;
}
/**
* Get child elements that match a language.
*