primo commit

libraries/vendor/web-token/jwt-library/Encryption/Compression/CompressionMethod.php

@@ -0,0 +1,30 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Jose\Component\Encryption\Compression;
+
+/**
+ * @deprecated This class is deprecated and will be removed in v4.0. Compression is not recommended for JWE.
+ */
+interface CompressionMethod
+{
+    /**
+     * Returns the name of the method.
+     */
+    public function name(): string;
+
+    /**
+     * Compress the data. Throws an exception in case of failure.
+     *
+     * @param string $data The data to compress
+     */
+    public function compress(string $data): string;
+
+    /**
+     * Uncompress the data. Throws an exception in case of failure.
+     *
+     * @param string $data The data to uncompress
+     */
+    public function uncompress(string $data): string;
+}

libraries/vendor/web-token/jwt-library/Encryption/Compression/CompressionMethodManager.php

@@ -0,0 +1,71 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Jose\Component\Encryption\Compression;
+
+use InvalidArgumentException;
+use function array_key_exists;
+
+/**
+ * @deprecated This class is deprecated and will be removed in v4.0. Compression is not recommended for JWE.
+ */
+class CompressionMethodManager
+{
+    /**
+     * @var CompressionMethod[]
+     */
+    private array $compressionMethods = [];
+
+    /**
+     * @param CompressionMethod[] $methods
+     */
+    public function __construct(iterable $methods = [])
+    {
+        foreach ($methods as $method) {
+            $this->add($method);
+        }
+    }
+
+    /**
+     * Returns true if the givn compression method is supported.
+     */
+    public function has(string $name): bool
+    {
+        return array_key_exists($name, $this->compressionMethods);
+    }
+
+    /**
+     * This method returns the compression method with the given name. Throws an exception if the method is not
+     * supported.
+     *
+     * @param string $name The name of the compression method
+     */
+    public function get(string $name): CompressionMethod
+    {
+        if (! $this->has($name)) {
+            throw new InvalidArgumentException(sprintf('The compression method "%s" is not supported.', $name));
+        }
+
+        return $this->compressionMethods[$name];
+    }
+
+    /**
+     * Returns the list of compression method names supported by the manager.
+     *
+     * @return string[]
+     */
+    public function list(): array
+    {
+        return array_keys($this->compressionMethods);
+    }
+
+    /**
+     * Add the given compression method to the manager.
+     */
+    protected function add(CompressionMethod $compressionMethod): void
+    {
+        $name = $compressionMethod->name();
+        $this->compressionMethods[$name] = $compressionMethod;
+    }
+}

libraries/vendor/web-token/jwt-library/Encryption/Compression/CompressionMethodManagerFactory.php

@@ -0,0 +1,69 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Jose\Component\Encryption\Compression;
+
+use InvalidArgumentException;
+
+/**
+ * @deprecated This class is deprecated and will be removed in v4.0. Compression is not recommended for JWE.
+ */
+class CompressionMethodManagerFactory
+{
+    /**
+     * @var CompressionMethod[]
+     */
+    private array $compressionMethods = [];
+
+    /**
+     * This method adds a compression method to this factory. The method is uniquely identified by an alias. This allows
+     * the same method to be added twice (or more) using several configuration options.
+     */
+    public function add(string $alias, CompressionMethod $compressionMethod): void
+    {
+        $this->compressionMethods[$alias] = $compressionMethod;
+    }
+
+    /**
+     * Returns the list of compression method aliases supported by the factory.
+     *
+     * @return string[]
+     */
+    public function aliases(): array
+    {
+        return array_keys($this->compressionMethods);
+    }
+
+    /**
+     * Returns all compression methods supported by this factory.
+     *
+     * @return CompressionMethod[]
+     */
+    public function all(): array
+    {
+        return $this->compressionMethods;
+    }
+
+    /**
+     * Creates a compression method manager using the compression methods identified by the given aliases. If one of the
+     * aliases does not exist, an exception is thrown.
+     *
+     * @param string[] $aliases
+     */
+    public function create(array $aliases): CompressionMethodManager
+    {
+        $compressionMethods = [];
+        foreach ($aliases as $alias) {
+            if (! isset($this->compressionMethods[$alias])) {
+                throw new InvalidArgumentException(sprintf(
+                    'The compression method with the alias "%s" is not supported.',
+                    $alias
+                ));
+            }
+            $compressionMethods[] = $this->compressionMethods[$alias];
+        }
+
+        return new CompressionMethodManager($compressionMethods);
+    }
+}

libraries/vendor/web-token/jwt-library/Encryption/Compression/Deflate.php

@@ -0,0 +1,65 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Jose\Component\Encryption\Compression;
+
+use InvalidArgumentException;
+use Throwable;
+use function is_string;
+
+/**
+ * @deprecated This class is deprecated and will be removed in v4.0. Compression is not recommended for JWE.
+ */
+final class Deflate implements CompressionMethod
+{
+    private int $compressionLevel = -1;
+
+    public function __construct(int $compressionLevel = -1)
+    {
+        if ($compressionLevel < -1 || $compressionLevel > 9) {
+            throw new InvalidArgumentException(
+                'The compression level can be given as 0 for no compression up to 9 for maximum compression. If -1 given, the default compression level will be the default compression level of the zlib library.'
+            );
+        }
+        $this->compressionLevel = $compressionLevel;
+    }
+
+    public function name(): string
+    {
+        return 'DEF';
+    }
+
+    public function compress(string $data): string
+    {
+        try {
+            $bin = gzdeflate($data, $this->getCompressionLevel());
+            if (! is_string($bin)) {
+                throw new InvalidArgumentException('Unable to encode the data');
+            }
+
+            return $bin;
+        } catch (Throwable $throwable) {
+            throw new InvalidArgumentException('Unable to compress data.', $throwable->getCode(), $throwable);
+        }
+    }
+
+    public function uncompress(string $data): string
+    {
+        try {
+            $bin = gzinflate($data);
+            if (! is_string($bin)) {
+                throw new InvalidArgumentException('Unable to encode the data');
+            }
+
+            return $bin;
+        } catch (Throwable $throwable) {
+            throw new InvalidArgumentException('Unable to uncompress data.', $throwable->getCode(), $throwable);
+        }
+    }
+
+    private function getCompressionLevel(): int
+    {
+        return $this->compressionLevel;
+    }
+}