namespace mdref;
-use http\Controller\Observer;
+use http\Env\Request;
+use http\Env\Response;
+use http\Message\Body;
+use stdClass;
+use function file_get_contents;
+use function htmlspecialchars;
+use function ob_start;
+use const ROOT;
/**
- * The sole action controller of mdref
+ * Request handler
*/
-class Action extends Observer
-{
- private function serveReference(\http\Url $url, \http\Controller\Payload $payload) {
- $finder = new Finder($this->baseUrl, REFS);
- $path = $finder->find($url);
- $payload->listing = new RefListing($path,
- $finder->glob($path, "/[_a-zA-Z]*.md"));
- $payload->title = $payload->listing->getSelf()->formatLink();
- $payload->refs = $finder;
- if ($path->isFile()) {
- $payload->html = new Markdown($path);
- $payload->sublisting = new RefListing($path,
- $finder->glob($path, "/[_a-z]*.md"));
- return true;
+class Action {
+ /**
+ * The reference
+ * @var \mdref\Reference
+ */
+ private $reference;
+
+ /**
+ * @var \http\Env\Request
+ */
+ private $request;
+
+ /**
+ * @var \http\Env\Response
+ */
+ private $response;
+
+ /**
+ * @var resource
+ */
+ private $output;
+
+ /**
+ * @var \http\Url
+ */
+ private $baseUrl;
+
+ /**
+ * Initialize the reference
+ */
+ public function __construct(Reference $ref, Request $req, Response $res, BaseUrl $baseUrl, $output = null) {
+ $this->reference = $ref;
+ $this->request = $req;
+ $this->response = $res;
+ $this->baseUrl = $baseUrl;
+ $this->output = $output;
+ ob_start($res);
+ }
+
+ /**
+ * Shorthand for \htmlspecialchars()
+ * @param $txt string
+ * @return string
+ */
+ function esc(string $txt) : string {
+ return htmlspecialchars($txt);
+ }
+
+ /**
+ * Create the view payload
+ * @return \stdClass
+ */
+ private function createPayload() : object {
+ $pld = new stdClass;
+
+ $pld->esc = "htmlspecialchars";
+ $pld->anchor = [$this->reference, "formatAnchor"];
+ $pld->quick = [$this->reference, "formatString"];
+ $pld->file = [$this->reference, "formatFile"];
+
+ $pld->ref = $this->baseUrl->pathinfo(
+ $this->baseUrl->mod($this->request->getRequestUrl()));
+
+ $pld->markup = function($page) use($pld) {
+ return $this->reference->getFormatter()->markup($page, $pld);
+ };
+
+ $pld->refs = $this->reference;
+ $pld->baseUrl = $this->baseUrl;
+
+ return $pld;
+ }
+
+ /**
+ * Redirect to canonical url
+ * @param string $cnn
+ */
+ private function serveCanonical(string $cnn) : void {
+ $this->response->setHeader("Location", $this->baseUrl->mod(["path" => $cnn]));
+ $this->response->setResponseCode(301);
+ if (is_resource($this->output)) {
+ $this->response->send($this->output);
+ } else {
+ $this->response->send();
}
}
-
- private function serveInternal(\http\Url $url, \http\Controller\Payload $payload) {
- $finder = new Finder($this->baseUrl, ROOT);
- $path = $finder->find($url, "");
- if ($path->isFile("")) {
- $payload->html = $path->toHtml();
- return true;
+
+ /**
+ * Serve index.css
+ */
+ private function serveStylesheet() : void {
+ $this->response->setHeader("Content-Type", "text/css");
+ $this->response->setBody(new Body(\fopen(ROOT."/public/index.css", "r")));
+ if (is_resource($this->output)) {
+ $this->response->send($this->output);
+ } else {
+ $this->response->send();
}
}
-
- private function getType($file) {
- static $inf = null;
- static $typ = array(".css" => "text/css", ".js" => "applicatin/javascript");
-
- $ext = strrchr($file, ".");
- if (isset($typ[$ext])) {
- return $typ[$ext];
+
+ /**
+ * Serve index.js
+ */
+ private function serveJavascript() : void {
+ $this->response->setHeader("Content-Type", "application/javascript");
+ $this->response->setBody(new Body(\fopen(ROOT."/public/index.js", "r")));
+ if (is_resource($this->output)) {
+ $this->response->send($this->output);
+ } else {
+ $this->response->send();
+ }
+ }
+
+ /**
+ * Server a PHP stub
+ * @throws Exception
+ *
+ */
+ private function serveStub() : void {
+ $name = $this->request->getQuery("ref", "s");
+ $repo = $this->reference->getRepoForEntry($name);
+ if (!$repo->hasStub($stub)) {
+ throw new Exception(404, "Stub not found");
}
-
- if (!$inf) {
- $inf = new \FINFO(FILEINFO_MIME_TYPE);
+ $this->response->setHeader("Content-Type", "application/x-php");
+ $this->response->setContentDisposition(["attachment" => ["filename" => "$name.stub.php"]]);
+ $this->response->setBody(new Body(\fopen($stub, "r")));
+ if (is_resource($this->output)) {
+ $this->response->send($this->output);
+ } else {
+ $this->response->send();
}
- return $inf->file($file);
}
-
- private function servePublic(\http\Url $url, \http\Env\Response $res) {
- $finder = new Finder($this->baseUrl, ROOT."/public");
- $path = $finder->find($url, "");
- if ($path->isFile("")) {
- $res->setHeader("Content-Type", $this->getType($path->getFullPath("")));
- $res->setBody(new \http\Message\Body(fopen($path->getFullPath(""),"r")));
+
+ /**
+ * Serve a preset
+ * @param object $pld
+ * @return true to continue serving the payload
+ * @throws Exception
+ */
+ private function servePreset(object $pld) : bool {
+ switch ($pld->ref) {
+ case "AUTHORS":
+ case "LICENSE":
+ case "VERSION":
+ $pld->text = file_get_contents(ROOT."/$pld->ref");
return true;
+ case "index.css":
+ $this->serveStylesheet();
+ break;
+ case "index.js":
+ $this->serveJavascript();
+ break;
+ case "stub":
+ $this->serveStub();
+ break;
+ default:
+ throw new Exception(404, "$pld->ref not found");
}
+ return false;
}
/**
- * Implements \SplObserver
- * @param \SplSubject $ctl
+ * Serve a payload
*/
- function update(\SplSubject $ctl) {
- /* @var \http\Controller $ctl */
+ private function serve() : void {
+ extract((array) func_get_arg(0));
+ include ROOT."/views/layout.phtml";
+ $this->response->addHeader("Link", "<" . $this->baseUrl->path . "index.css>; rel=preload; as=style");
+ $this->response->addHeader("Link", "<" . $this->baseUrl->path . "index.js>; rel=preload; as=script");
+ if (isset($exception) && $exception->getCode()) {
+ $this->response->setResponseCode($exception->getCode());
+ }
+ if (is_resource($this->output)) {
+ $this->response->send($this->output);
+ } else {
+ $this->response->send();
+ }
+ }
+
+ /**
+ * Request handler
+ */
+ public function handle() : void {
try {
- $pld = $ctl->getPayload();
- $pld->baseUrl = $this->baseUrl;
- $url = $this->baseUrl->mod($ctl->getRequest()->getRequestUrl());
- $pld->permUrl = implode("/", $this->baseUrl->params($url));
-
- if ($this->serveReference($url, $pld) || $this->serveInternal($url, $pld)) {
- return;
- } elseif ($this->servePublic($url, $ctl->getResponse())) {
- $ctl->detachAll("\\http\\Controller\\Observer\\View");
- return;
- }
-
- /* fallthrough */
- if (strcmp($url->path, $this->baseUrl->path)) {
- throw new \http\Controller\Exception(404, "Could not find '$url'");
+ $pld = $this->createPayload();
+
+ if (isset($pld->ref) && strlen($pld->ref)) {
+ $cnn = null;
+ if (($repo = $this->reference->getRepoForEntry($pld->ref, $cnn))) {
+ if (isset($cnn) && strlen($cnn)) {
+ /* redirect */
+ $this->serveCanonical($cnn);
+ return;
+ } else {
+ /* direct match */
+ $pld->entry = $repo->getEntry($pld->ref);
+ }
+ } elseif (!$this->servePreset($pld)) {
+ return;
+ }
}
+
} catch (\Exception $e) {
- $ctl->getPayload()->exception = $e;
+ $pld->exception = $e;
}
+
+ $this->serve($pld);
}
}
projects / mdref / mdref / blobdiff