/src/Illuminate/Routing/UrlGenerator.php
PHP | 674 lines | 288 code | 82 blank | 304 comment | 15 complexity | b6953c7d1af2168df3653b65c410d9a0 MD5 | raw file
- <?php namespace Illuminate\Routing;
- use Illuminate\Http\Request;
- use InvalidArgumentException;
- use Illuminate\Contracts\Routing\UrlRoutable;
- use Illuminate\Contracts\Routing\UrlGenerator as UrlGeneratorContract;
- class UrlGenerator implements UrlGeneratorContract {
- /**
- * The route collection.
- *
- * @var \Illuminate\Routing\RouteCollection
- */
- protected $routes;
- /**
- * The request instance.
- *
- * @var \Illuminate\Http\Request
- */
- protected $request;
- /**
- * The force URL root.
- *
- * @var string
- */
- protected $forcedRoot;
- /**
- * The forced schema for URLs.
- *
- * @var string
- */
- protected $forceSchema;
- /**
- * The root namespace being applied to controller actions.
- *
- * @var string
- */
- protected $rootNamespace;
- /**
- * The session resolver callable.
- *
- * @var callable
- */
- protected $sessionResolver;
- /**
- * Characters that should not be URL encoded.
- *
- * @var array
- */
- protected $dontEncode = array(
- '%2F' => '/',
- '%40' => '@',
- '%3A' => ':',
- '%3B' => ';',
- '%2C' => ',',
- '%3D' => '=',
- '%2B' => '+',
- '%21' => '!',
- '%2A' => '*',
- '%7C' => '|',
- '%3F' => '?',
- '%26' => '&',
- '%23' => '#',
- '%25' => '%',
- );
- /**
- * Create a new URL Generator instance.
- *
- * @param \Illuminate\Routing\RouteCollection $routes
- * @param \Illuminate\Http\Request $request
- * @return void
- */
- public function __construct(RouteCollection $routes, Request $request)
- {
- $this->routes = $routes;
- $this->setRequest($request);
- }
- /**
- * Get the full URL for the current request.
- *
- * @return string
- */
- public function full()
- {
- return $this->request->fullUrl();
- }
- /**
- * Get the current URL for the request.
- *
- * @return string
- */
- public function current()
- {
- return $this->to($this->request->getPathInfo());
- }
- /**
- * Get the URL for the previous request.
- *
- * @return string
- */
- public function previous()
- {
- $referrer = $this->request->headers->get('referer');
- $url = $referrer ? $this->to($referrer) : $this->getPreviousUrlFromSession();
- return $url ?: $this->to('/');
- }
- /**
- * Generate a absolute URL to the given path.
- *
- * @param string $path
- * @param mixed $extra
- * @param bool|null $secure
- * @return string
- */
- public function to($path, $extra = array(), $secure = null)
- {
- // First we will check if the URL is already a valid URL. If it is we will not
- // try to generate a new one but will simply return the URL as is, which is
- // convenient since developers do not always have to check if it's valid.
- if ($this->isValidUrl($path)) return $path;
- $scheme = $this->getScheme($secure);
- $extra = $this->formatParameters($extra);
- $tail = implode('/', array_map(
- 'rawurlencode', (array) $extra)
- );
- // Once we have the scheme we will compile the "tail" by collapsing the values
- // into a single string delimited by slashes. This just makes it convenient
- // for passing the array of parameters to this URL as a list of segments.
- $root = $this->getRootUrl($scheme);
- return $this->trimUrl($root, $path, $tail);
- }
- /**
- * Generate a secure, absolute URL to the given path.
- *
- * @param string $path
- * @param array $parameters
- * @return string
- */
- public function secure($path, $parameters = array())
- {
- return $this->to($path, $parameters, true);
- }
- /**
- * Generate a URL to an application asset.
- *
- * @param string $path
- * @param bool|null $secure
- * @return string
- */
- public function asset($path, $secure = null)
- {
- if ($this->isValidUrl($path)) return $path;
- // Once we get the root URL, we will check to see if it contains an index.php
- // file in the paths. If it does, we will remove it since it is not needed
- // for asset paths, but only for routes to endpoints in the application.
- $root = $this->getRootUrl($this->getScheme($secure));
- return $this->removeIndex($root).'/'.trim($path, '/');
- }
- /**
- * Remove the index.php file from a path.
- *
- * @param string $root
- * @return string
- */
- protected function removeIndex($root)
- {
- $i = 'index.php';
- return str_contains($root, $i) ? str_replace('/'.$i, '', $root) : $root;
- }
- /**
- * Generate a URL to a secure asset.
- *
- * @param string $path
- * @return string
- */
- public function secureAsset($path)
- {
- return $this->asset($path, true);
- }
- /**
- * Get the scheme for a raw URL.
- *
- * @param bool|null $secure
- * @return string
- */
- protected function getScheme($secure)
- {
- if (is_null($secure))
- {
- return $this->forceSchema ?: $this->request->getScheme().'://';
- }
- return $secure ? 'https://' : 'http://';
- }
- /**
- * Force the schema for URLs.
- *
- * @param string $schema
- * @return void
- */
- public function forceSchema($schema)
- {
- $this->forceSchema = $schema.'://';
- }
- /**
- * Get the URL to a named route.
- *
- * @param string $name
- * @param mixed $parameters
- * @param bool $absolute
- * @return string
- *
- * @throws \InvalidArgumentException
- */
- public function route($name, $parameters = array(), $absolute = true)
- {
- if ( ! is_null($route = $this->routes->getByName($name)))
- {
- return $this->toRoute($route, $parameters, $absolute);
- }
- throw new InvalidArgumentException("Route [{$name}] not defined.");
- }
- /**
- * Get the URL for a given route instance.
- *
- * @param \Illuminate\Routing\Route $route
- * @param mixed $parameters
- * @param bool $absolute
- * @return string
- */
- protected function toRoute($route, $parameters, $absolute)
- {
- $parameters = $this->formatParameters($parameters);
- $domain = $this->getRouteDomain($route, $parameters);
- $uri = strtr(rawurlencode($this->addQueryString($this->trimUrl(
- $root = $this->replaceRoot($route, $domain, $parameters),
- $this->replaceRouteParameters($route->uri(), $parameters)
- ), $parameters)), $this->dontEncode);
- return $absolute ? $uri : '/'.ltrim(str_replace($root, '', $uri), '/');
- }
- /**
- * Replace the parameters on the root path.
- *
- * @param \Illuminate\Routing\Route $route
- * @param string $domain
- * @param array $parameters
- * @return string
- */
- protected function replaceRoot($route, $domain, &$parameters)
- {
- return $this->replaceRouteParameters($this->getRouteRoot($route, $domain), $parameters);
- }
- /**
- * Replace all of the wildcard parameters for a route path.
- *
- * @param string $path
- * @param array $parameters
- * @return string
- */
- protected function replaceRouteParameters($path, array &$parameters)
- {
- if (count($parameters))
- {
- $path = preg_replace_sub(
- '/\{.*?\}/', $parameters, $this->replaceNamedParameters($path, $parameters)
- );
- }
- return trim(preg_replace('/\{.*?\?\}/', '', $path), '/');
- }
- /**
- * Replace all of the named parameters in the path.
- *
- * @param string $path
- * @param array $parameters
- * @return string
- */
- protected function replaceNamedParameters($path, &$parameters)
- {
- return preg_replace_callback('/\{(.*?)\??\}/', function($m) use (&$parameters)
- {
- return isset($parameters[$m[1]]) ? array_pull($parameters, $m[1]) : $m[0];
- }, $path);
- }
- /**
- * Add a query string to the URI.
- *
- * @param string $uri
- * @param array $parameters
- * @return mixed|string
- */
- protected function addQueryString($uri, array $parameters)
- {
- // If the URI has a fragment, we will move it to the end of the URI since it will
- // need to come after any query string that may be added to the URL else it is
- // not going to be available. We will remove it then append it back on here.
- if ( ! is_null($fragment = parse_url($uri, PHP_URL_FRAGMENT)))
- {
- $uri = preg_replace('/#.*/', '', $uri);
- }
- $uri .= $this->getRouteQueryString($parameters);
- return is_null($fragment) ? $uri : $uri."#{$fragment}";
- }
- /**
- * Format the array of URL parameters.
- *
- * @param mixed|array $parameters
- * @return array
- */
- protected function formatParameters($parameters)
- {
- return $this->replaceRoutableParameters($parameters);
- }
- /**
- * Replace UrlRoutable parameters with their route parameter.
- *
- * @param array $parameters
- * @return array
- */
- protected function replaceRoutableParameters($parameters = array())
- {
- $parameters = is_array($parameters) ? $parameters : array($parameters);
- foreach ($parameters as $key => $parameter)
- {
- if ($parameter instanceof UrlRoutable)
- {
- $parameters[$key] = $parameter->getRouteKey();
- }
- }
- return $parameters;
- }
- /**
- * Get the query string for a given route.
- *
- * @param array $parameters
- * @return string
- */
- protected function getRouteQueryString(array $parameters)
- {
- // First we will get all of the string parameters that are remaining after we
- // have replaced the route wildcards. We'll then build a query string from
- // these string parameters then use it as a starting point for the rest.
- if (count($parameters) == 0) return '';
- $query = http_build_query(
- $keyed = $this->getStringParameters($parameters)
- );
- // Lastly, if there are still parameters remaining, we will fetch the numeric
- // parameters that are in the array and add them to the query string or we
- // will make the initial query string if it wasn't started with strings.
- if (count($keyed) < count($parameters))
- {
- $query .= '&'.implode(
- '&', $this->getNumericParameters($parameters)
- );
- }
- return '?'.trim($query, '&');
- }
- /**
- * Get the string parameters from a given list.
- *
- * @param array $parameters
- * @return array
- */
- protected function getStringParameters(array $parameters)
- {
- return array_where($parameters, function($k, $v) { return is_string($k); });
- }
- /**
- * Get the numeric parameters from a given list.
- *
- * @param array $parameters
- * @return array
- */
- protected function getNumericParameters(array $parameters)
- {
- return array_where($parameters, function($k, $v) { return is_numeric($k); });
- }
- /**
- * Get the formatted domain for a given route.
- *
- * @param \Illuminate\Routing\Route $route
- * @param array $parameters
- * @return string
- */
- protected function getRouteDomain($route, &$parameters)
- {
- return $route->domain() ? $this->formatDomain($route, $parameters) : null;
- }
- /**
- * Format the domain and port for the route and request.
- *
- * @param \Illuminate\Routing\Route $route
- * @param array $parameters
- * @return string
- */
- protected function formatDomain($route, &$parameters)
- {
- return $this->addPortToDomain($this->getDomainAndScheme($route));
- }
- /**
- * Get the domain and scheme for the route.
- *
- * @param \Illuminate\Routing\Route $route
- * @return string
- */
- protected function getDomainAndScheme($route)
- {
- return $this->getRouteScheme($route).$route->domain();
- }
- /**
- * Add the port to the domain if necessary.
- *
- * @param string $domain
- * @return string
- */
- protected function addPortToDomain($domain)
- {
- if (in_array($this->request->getPort(), array('80', '443')))
- {
- return $domain;
- }
- return $domain.':'.$this->request->getPort();
- }
- /**
- * Get the root of the route URL.
- *
- * @param \Illuminate\Routing\Route $route
- * @param string $domain
- * @return string
- */
- protected function getRouteRoot($route, $domain)
- {
- return $this->getRootUrl($this->getRouteScheme($route), $domain);
- }
- /**
- * Get the scheme for the given route.
- *
- * @param \Illuminate\Routing\Route $route
- * @return string
- */
- protected function getRouteScheme($route)
- {
- if ($route->httpOnly())
- {
- return $this->getScheme(false);
- }
- elseif ($route->httpsOnly())
- {
- return $this->getScheme(true);
- }
- return $this->getScheme(null);
- }
- /**
- * Get the URL to a controller action.
- *
- * @param string $action
- * @param mixed $parameters
- * @param bool $absolute
- * @return string
- */
- public function action($action, $parameters = array(), $absolute = true)
- {
- if ($this->rootNamespace && ! (strpos($action, '\\') === 0))
- {
- $action = $this->rootNamespace.'\\'.$action;
- }
- else
- {
- $action = trim($action, '\\');
- }
- return $this->toRoute($this->routes->getByAction($action), $parameters, $absolute);
- }
- /**
- * Get the base URL for the request.
- *
- * @param string $scheme
- * @param string $root
- * @return string
- */
- protected function getRootUrl($scheme, $root = null)
- {
- if (is_null($root))
- {
- $root = $this->forcedRoot ?: $this->request->root();
- }
- $start = starts_with($root, 'http://') ? 'http://' : 'https://';
- return preg_replace('~'.$start.'~', $scheme, $root, 1);
- }
- /**
- * Set the forced root URL.
- *
- * @param string $root
- * @return void
- */
- public function forceRootUrl($root)
- {
- $this->forcedRoot = rtrim($root, '/');
- }
- /**
- * Determine if the given path is a valid URL.
- *
- * @param string $path
- * @return bool
- */
- public function isValidUrl($path)
- {
- if (starts_with($path, ['#', '//', 'mailto:', 'tel:', 'http://', 'https://'])) return true;
- return filter_var($path, FILTER_VALIDATE_URL) !== false;
- }
- /**
- * Format the given URL segments into a single URL.
- *
- * @param string $root
- * @param string $path
- * @param string $tail
- * @return string
- */
- protected function trimUrl($root, $path, $tail = '')
- {
- return trim($root.'/'.trim($path.'/'.$tail, '/'), '/');
- }
- /**
- * Get the request instance.
- *
- * @return \Symfony\Component\HttpFoundation\Request
- */
- public function getRequest()
- {
- return $this->request;
- }
- /**
- * Set the current request instance.
- *
- * @param \Illuminate\Http\Request $request
- * @return void
- */
- public function setRequest(Request $request)
- {
- $this->request = $request;
- }
- /**
- * Set the route collection.
- *
- * @param \Illuminate\Routing\RouteCollection $routes
- * @return $this
- */
- public function setRoutes(RouteCollection $routes)
- {
- $this->routes = $routes;
- return $this;
- }
- /**
- * Get the previous URL from the session if possible.
- *
- * @return string|null
- */
- protected function getPreviousUrlFromSession()
- {
- $session = $this->getSession();
- return $session ? $session->previousUrl() : null;
- }
- /**
- * Get the session implementation from the resolver.
- *
- * @return \Illuminate\Session\Store
- */
- protected function getSession()
- {
- return call_user_func($this->sessionResolver ?: function() {});
- }
- /**
- * Set the session resolver for the generator.
- *
- * @param callable $sessionResolver
- * @return $this
- */
- public function setSessionResolver(callable $sessionResolver)
- {
- $this->sessionResolver = $sessionResolver;
- return $this;
- }
- /**
- * Set the root controller namespace.
- *
- * @param string $rootNamespace
- * @return $this
- */
- public function setRootControllerNamespace($rootNamespace)
- {
- $this->rootNamespace = $rootNamespace;
- return $this;
- }
- }