Simplify request validation

Author: clue

composer.json

@@ -16,7 +16,7 @@
     "require": {
         "php": ">=5.3",
         "react/event-loop": "~0.4.0|~0.3.0",
-        "react/http": "~0.4.0|~0.3.0",
+        "react/http": "^0.4.4",
         "react/stream": "~0.4.0|~0.3.0"
     },
     "require-dev": {

examples/01-simple-periodic.php

@@ -19,10 +19,15 @@
         return;
     }
 
+    if ($request->getPath() !== '/demo') {
+        $response->writeHead(404);
+        $response->end('Not Found');
+        return;
+    }
+
     echo 'connected' . PHP_EOL;
 
-    $headers = $request->getHeaders();
-    $id = isset($headers['Last-Event-ID']) ? $headers['Last-Event-ID'] : null;
+    $id = $request->getHeaderLine('Last-Event-ID');
 
     $response->writeHead(200, array('Content-Type' => 'text/event-stream'));
     $channel->connect($response, $id);

examples/02-plaintext-chat.php

@@ -21,10 +21,15 @@
         return;
     }
 
+    if ($request->getPath() !== '/demo') {
+        $response->writeHead(404);
+        $response->end('Not Found');
+        return;
+    }
+
     echo 'connected' . PHP_EOL;
 
-    $headers = $request->getHeaders();
-    $id = isset($headers['Last-Event-ID']) ? $headers['Last-Event-ID'] : null;
+    $id = $request->getHeaderLine('Last-Event-ID');
 
     $response->writeHead(200, array('Content-Type' => 'text/event-stream'));
     $channel->connect($response, $id);

examples/03-redis-subscribe.php

@@ -20,10 +20,15 @@
         return;
     }
 
+    if ($request->getPath() !== '/demo') {
+        $response->writeHead(404);
+        $response->end('Not Found');
+        return;
+    }
+
     echo 'connected' . PHP_EOL;
 
-    $headers = $request->getHeaders();
-    $id = isset($headers['Last-Event-ID']) ? $headers['Last-Event-ID'] : null;
+    $id = $request->getHeaderLine('Last-Event-ID');
 
     $response->writeHead(200, array('Content-Type' => 'text/event-stream'));
     $channel->connect($response, $id);