Make it possible to run indieauth-openid as .phar

[indieauth-openid.git] / src / phar-stub.php

diff --git a/src/phar-stub.php b/src/phar-stub.php
new file mode 100644 (file)
index 0000000..19a31a4
--- /dev/null
+++ b/src/phar-stub.php
@@ -0,0 +1,59 @@
+<?php
+/**
+ * Phar stub file for indieauth-openid. Handles startup of the .phar file.
+ */
+if (!in_array('phar', stream_get_wrappers()) || !class_exists('Phar', false)) {
+    echo "Phar extension not avaiable\n";
+    exit(255);
+}
+
+$web = 'www/index.php';
+
+/**
+ * Rewrite the HTTP request path to an internal file.
+ * Maps "" and "/" to "www/index.php".
+ *
+ * @param string $path Path from the browser, relative to the .phar
+ *
+ * @return string Internal path.
+ */
+function rewritePath($path)
+{
+    if ($path == '') {
+        //we need a / to get the relative links on index.php work
+        if (!isset($_SERVER['REQUEST_SCHEME'])) {
+            $_SERVER['REQUEST_SCHEME'] = 'http';
+        }
+        $url = $_SERVER['REQUEST_SCHEME'] . '://'
+            . $_SERVER['HTTP_HOST']
+            . preg_replace('/[?#].*$/', '', $_SERVER['REQUEST_URI'])
+            . '/';
+        header('Location: ' . $url);
+        exit(0);
+    } else if ($path == '/') {
+        return 'www/index.php';
+    }
+
+    if (substr($path, -4) == '.css') {
+        header('Expires: ' . date('r', time() + 86400 * 7));
+    }
+    return 'www' . $path;
+}
+
+if ($_SERVER['REQUEST_METHOD'] == 'HEAD') {
+    //work around https://bugs.php.net/bug.php?id=51918
+    header('IndieAuth: authorization_endpoint');
+    exit();
+}
+
+set_include_path(
+    'phar://' . __FILE__
+    . PATH_SEPARATOR . 'phar://' . __FILE__ . '/lib/'
+);
+Phar::webPhar(null, $web, null, array(), 'rewritePath');
+
+//TODO: implement CLI setup check
+echo "indieauth-openid can only be used in the browser\n";
+exit(1);
+__HALT_COMPILER();
+?>