init commit

addons/wdsxh/library/alibabacloud/credentials/src/Credentials.php

@@ -0,0 +1,104 @@
+<?php
+
+namespace AlibabaCloud\Credentials;
+
+use AlibabaCloud\Credentials\Providers\ChainProvider;
+use AlibabaCloud\Credentials\Utils\Filter;
+use AlibabaCloud\Credentials\Utils\MockTrait;
+use ReflectionException;
+use RuntimeException;
+
+/**
+ * Class Credentials
+ *
+ * @package AlibabaCloud\Credentials
+ */
+class Credentials
+{
+    use MockTrait;
+
+    /**
+     * @var array|CredentialsInterface[] containers of credentials
+     */
+    protected static $credentials = [];
+
+    /**
+     * Get the credential instance by name.
+     *
+     * @param string $name
+     *
+     * @return Credential
+     * @throws ReflectionException
+     */
+    public static function get($name = null)
+    {
+        if ($name !== null) {
+            Filter::credentialName($name);
+        } else {
+            $name = ChainProvider::getDefaultName();
+        }
+
+        self::load();
+
+        if (self::has($name)) {
+            return new Credential(self::$credentials[\strtolower($name)]);
+        }
+
+        throw new RuntimeException("Credential '$name' not found");
+    }
+
+    private static function load()
+    {
+        if (self::$credentials) {
+            return;
+        }
+
+        if (ChainProvider::hasCustomChain()) {
+            ChainProvider::customProvider(ChainProvider::getDefaultName());
+        } else {
+            ChainProvider::defaultProvider(ChainProvider::getDefaultName());
+        }
+    }
+
+    /**
+     * Determine whether there is a credential.
+     *
+     * @param string $name
+     *
+     * @return bool
+     */
+    public static function has($name)
+    {
+        Filter::credentialName($name);
+
+        return isset(self::$credentials[\strtolower($name)]);
+    }
+
+    public static function flush()
+    {
+        self::$credentials = [];
+    }
+
+    /**
+     * Get all credentials.
+     *
+     * @return array
+     */
+    public static function all()
+    {
+        self::load();
+
+        return self::$credentials;
+    }
+
+    /**
+     * @param string $name
+     * @param array  $credential
+     */
+    public static function set($name, array $credential)
+    {
+        Filter::credentialName($name);
+
+        self::$credentials[\strtolower($name)] = \array_change_key_case($credential);
+    }
+}