The start of something beautiful

vendor/lexik/jwt-authentication-bundle/Services/KeyLoader/AbstractKeyLoader.php

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+<?php
+
+namespace Lexik\Bundle\JWTAuthenticationBundle\Services\KeyLoader;
+
+/**
+ * Abstract class for key loaders.
+ *
+ * @author Robin Chalas <robin.chalas@gmail.com>
+ *
+ * @internal
+ */
+abstract class AbstractKeyLoader implements KeyLoaderInterface
+{
+    private ?string $signingKey;
+    private ?string $publicKey;
+    private ?string $passphrase;
+    private array $additionalPublicKeys;
+
+    public function __construct(?string $signingKey = null, ?string $publicKey = null, ?string $passphrase = null, array $additionalPublicKeys = [])
+    {
+        $this->signingKey = $signingKey;
+        $this->publicKey = $publicKey;
+        $this->passphrase = $passphrase;
+        $this->additionalPublicKeys = $additionalPublicKeys;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getPassphrase(): ?string
+    {
+        return $this->passphrase;
+    }
+
+    public function getSigningKey(): ?string
+    {
+        return $this->signingKey && is_file($this->signingKey) ? $this->readKey(self::TYPE_PRIVATE) : $this->signingKey;
+    }
+
+    public function getPublicKey(): ?string
+    {
+        return $this->publicKey && is_file($this->publicKey) ? $this->readKey(self::TYPE_PUBLIC) : $this->publicKey;
+    }
+
+    public function getAdditionalPublicKeys(): array
+    {
+        $contents = [];
+
+        foreach ($this->additionalPublicKeys as $key) {
+            if (!$key || !is_file($key) || !is_readable($key)) {
+                throw new \RuntimeException(sprintf('Additional public key "%s" does not exist or is not readable. Did you correctly set the "lexik_jwt_authentication.additional_public_keys" configuration key?', $key));
+            }
+
+            $rawKey = @file_get_contents($key);
+
+            if (false === $rawKey) {
+                // Try invalidating the realpath cache
+                clearstatcache(true, $key);
+                $rawKey = file_get_contents($key);
+            }
+            $contents[] = $rawKey;
+        }
+
+        return $contents;
+    }
+
+    private function readKey($type): ?string
+    {
+        $isPublic = self::TYPE_PUBLIC === $type;
+        $key = $isPublic ? $this->publicKey : $this->signingKey;
+
+        if (!$key || !is_file($key) || !is_readable($key)) {
+            if ($isPublic) {
+                return null;
+            }
+
+            throw new \RuntimeException(sprintf('Signature key "%s" does not exist or is not readable. Did you correctly set the "lexik_jwt_authentication.signature_key" configuration key?', $key));
+        }
+
+        $rawKey = @file_get_contents($key);
+
+        if (false === $rawKey) {
+            // Try invalidating the realpath cache
+            clearstatcache(true, $key);
+            $rawKey = file_get_contents($key);
+        }
+
+        return $rawKey;
+    }
+}

vendor/lexik/jwt-authentication-bundle/Services/KeyLoader/KeyDumperInterface.php

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+<?php
+
+namespace Lexik\Bundle\JWTAuthenticationBundle\Services\KeyLoader;
+
+/**
+ * @author Robin Chalas <robin.chalas@gmail.com>
+ */
+interface KeyDumperInterface
+{
+    /**
+     * Dumps a key to be shared between parties.
+     *
+     * @return resource|string
+     */
+    public function dumpKey();
+}

vendor/lexik/jwt-authentication-bundle/Services/KeyLoader/KeyLoaderInterface.php

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+<?php
+
+namespace Lexik\Bundle\JWTAuthenticationBundle\Services\KeyLoader;
+
+/**
+ * Interface for classes that are able to load crypto keys.
+ *
+ * @author Robin Chalas <robin.chalas@gmail.com>
+ */
+interface KeyLoaderInterface
+{
+    public const TYPE_PUBLIC = 'public';
+    public const TYPE_PRIVATE = 'private';
+
+    /**
+     * Loads a key from a given type (public or private).
+     *
+     * @param resource|string|null $type
+     *
+     * @return resource|string|null
+     */
+    public function loadKey($type);
+
+    public function getPassphrase(): ?string;
+
+    public function getSigningKey(): ?string;
+
+    public function getPublicKey(): ?string;
+
+    public function getAdditionalPublicKeys(): array;
+}

vendor/lexik/jwt-authentication-bundle/Services/KeyLoader/RawKeyLoader.php

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+<?php
+
+namespace Lexik\Bundle\JWTAuthenticationBundle\Services\KeyLoader;
+
+/**
+ * Reads crypto keys.
+ *
+ * @author Robin Chalas <robin.chalas@gmail.com>
+ */
+class RawKeyLoader extends AbstractKeyLoader implements KeyDumperInterface
+{
+    /**
+     * @param string $type
+     *
+     * @return string
+     *
+     * @throws \RuntimeException If the key cannot be read
+     */
+    public function loadKey($type)
+    {
+        if (!in_array($type, [self::TYPE_PUBLIC, self::TYPE_PRIVATE])) {
+            throw new \InvalidArgumentException(sprintf('The key type must be "public" or "private", "%s" given.', $type));
+        }
+
+        if (self::TYPE_PUBLIC === $type) {
+            return $this->dumpKey();
+        }
+
+        return $this->getSigningKey();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function dumpKey()
+    {
+        if ($publicKey = $this->getPublicKey()) {
+            return $publicKey;
+        }
+
+        $signingKey = $this->getSigningKey();
+
+        // no public key provided, compute it from signing key
+        try {
+            $publicKey = openssl_pkey_get_details(openssl_pkey_get_private($signingKey, $this->getPassphrase()))['key'];
+        } catch (\Throwable $e) {
+            throw new \RuntimeException('Secret key either does not exist, is not readable or is invalid. Did you correctly set the "lexik_jwt_authentication.secret_key" config option?');
+        }
+
+        return $publicKey;
+    }
+}