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vendor/lexik/jwt-authentication-bundle/TokenExtractor/AuthorizationHeaderTokenExtractor.php

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+<?php
+
+namespace Lexik\Bundle\JWTAuthenticationBundle\TokenExtractor;
+
+use Symfony\Component\HttpFoundation\Request;
+
+/**
+ * AuthorizationHeaderTokenExtractor.
+ *
+ * @author Nicolas Cabot <n.cabot@lexik.fr>
+ */
+class AuthorizationHeaderTokenExtractor implements TokenExtractorInterface
+{
+    /**
+     * @var string
+     */
+    protected $prefix;
+
+    /**
+     * @var string
+     */
+    protected $name;
+
+    /**
+     * @param string|null $prefix
+     * @param string      $name
+     */
+    public function __construct($prefix, $name)
+    {
+        $this->prefix = $prefix;
+        $this->name = $name;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function extract(Request $request)
+    {
+        if (!$request->headers->has($this->name)) {
+            return false;
+        }
+
+        $authorizationHeader = $request->headers->get($this->name);
+
+        if (empty($this->prefix)) {
+            return $authorizationHeader;
+        }
+
+        $headerParts = explode(' ', (string) $authorizationHeader);
+
+        if (!(2 === count($headerParts) && 0 === strcasecmp($headerParts[0], $this->prefix))) {
+            return false;
+        }
+
+        return $headerParts[1];
+    }
+}