feat rename bucket -> service

- 去除空间名相关描述，统一为服务
- 暂时保留兼容 `Config::bucketName` 属性

Author: sabakugaara

README.md

@@ -61,8 +61,8 @@ require_once('vendor/autoload.php'); // 只针对使用 composer 安装
 
 use Upyun\Upyun;
 use Upyun\Config;
-$bucketConfig = new Config('yourBucketName', 'yourOperatorName', 'yourOperatorPwd');
-$client = new Upyun($bucketConfig);
+$serviceConfig = new Config('yourServiceName', 'yourOperatorName', 'yourOperatorPwd');
+$client = new Upyun($serviceConfig);
 ```
 
 详细文档见 [doc.md](doc.md)，以下为部分简单示例

doc.md

@@ -25,7 +25,7 @@
 ## Upyun
 
 `Upyun\Upyun` 类实现了又拍云云存储和云处理的所有接口，通过该类可以实现文件上传、下载；图片视频等多媒体资源云处理。
-本文档中，提到的"服务"是指又拍云文件加速回又拍云源类型的服务（即原先的存储类空间）。
+本文档中，提到的"服务"是指又拍云文件加速回又拍云源类型的服务（即原先的存储类服务）。
 
 * 命名空间: `\Upyun\Upyun`
 
@@ -490,7 +490,7 @@ array(
         'path' => array('/v2.mp4'),
         'signature' => '4042c1f07f546d28',
         'status_code' => 200,
-        'bucket_name' => 'your_storage_bucket',
+        'service' => 'your_storage_service',
         'description' => 'OK',
         'task_id' => '9d9c32b63a1034834e77672c6f51f661',
         'timestamp' => 1472010684

src/Upyun/Api/Form.php

@@ -11,14 +11,14 @@ class Form extends Rest
     public function upload($path, $stream, $params)
     {
         $params['save-key'] = $path;
-        $params['bucket'] = $this->config->bucketName;
+        $params['service'] = $this->config->serviceName;
         if (!isset($params['expiration'])) {
             $params['expiration'] = time() + 30 * 60 * 60; // 30 分钟
         }
 
         $policy = Util::base64Json($params);
         $method = 'POST';
-        $signature = Signature::getBodySignature($this->config, $method, '/' . $params['bucket'], null, $policy);
+        $signature = Signature::getBodySignature($this->config, $method, '/' . $params['service'], null, $policy);
         $client = new Client([
             'timeout' => $this->config->timeout,
         ]);

src/Upyun/Api/Pretreat.php

@@ -32,7 +32,7 @@ public function process($source, $tasks)
         ]);
 
         $params = array(
-            'service' => $this->config->bucketName,
+            'service' => $this->config->serviceName,
             'notify_url' => $this->config->processNotifyUrl,
             'source' => $source,
             'tasks' => $encodedTasks,
@@ -61,7 +61,7 @@ public function query($taskIds, $path)
         ]);
 
         $params = array(
-            'service' => $this->config->bucketName,
+            'service' => $this->config->serviceName,
             'task_ids' => implode(',', $taskIds)
         );
         $path = $path . '?' . http_build_query($params);

src/Upyun/Api/Rest.php

@@ -29,7 +29,7 @@ class Rest
     public function __construct(Config $config)
     {
         $this->config   = $config;
-        $this->endpoint = $config->getProtocol() . Config::$restApiEndPoint . '/' . $config->bucketName;
+        $this->endpoint = $config->getProtocol() . Config::$restApiEndPoint . '/' . $config->serviceName;
     }
 
     public function request($method, $storagePath)

src/Upyun/Config.php

@@ -9,9 +9,14 @@
 class Config
 {
     /**
-     * @var string 服务名称
+     * @var string 服务名称，将会被弃用
      */
     public $bucketName;
+
+    /**
+     * @var string 服务名称
+     */
+    public $serviceName;
     /**
      * @var string 操作员名
      */
@@ -86,9 +91,10 @@ class Config
      */
     const ED_PURGE           = 'http://purge.upyun.com/purge/';
 
-    public function __construct($bucketName, $operatorName, $operatorPassword)
+    public function __construct($serviceName, $operatorName, $operatorPassword)
     {
-        $this->bucketName = $bucketName;
+        $this->serviceName = $serviceName;
+        $this->bucketName = $serviceName;
         $this->operatorName = $operatorName;
         $this->setOperatorPassword($operatorPassword);
         $this->useSsl          = false;

src/Upyun/Signature.php

@@ -23,50 +23,50 @@ class Signature
     /**
      * 获取 Header 签名需要的请求头
      *
-     * @param Config $bucketConfig
+     * @param Config $serviceConfig
      * @param $method 请求方法
      * @param $path  请求路径
      * @param $contentMd5 文件内容 md5
      *
      * @return array
      */
-    public static function getHeaderSign($bucketConfig, $method, $path, $contentMd5 = null)
+    public static function getHeaderSign($serviceConfig, $method, $path, $contentMd5 = null)
     {
         $gmtDate = gmdate('D, d M Y H:i:s \G\M\T');
 
         $policy = null;
-        $sign = self::getBodySignature($bucketConfig, $method, $path, $gmtDate, $policy, $contentMd5);
+        $sign = self::getBodySignature($serviceConfig, $method, $path, $gmtDate, $policy, $contentMd5);
 
         $headers = array(
             'Authorization' => $sign,
             'Date' => $gmtDate,
-            'User-agent' => 'Php-Sdk/' . $bucketConfig->getVersion()
+            'User-agent' => 'Php-Sdk/' . $serviceConfig->getVersion()
         );
         return $headers;
     }
 
     /**
      * 获取请求缓存刷新接口需要的签名头
      *
-     * @param Config $bucketConfig
+     * @param Config $serviceConfig
      * @param $urlString
      *
      * @return array
      */
-    public static function getPurgeSignHeader(Config $bucketConfig, $urlString)
+    public static function getPurgeSignHeader(Config $serviceConfig, $urlString)
     {
         $gmtDate = gmdate('D, d M Y H:i:s \G\M\T');
-        $sign = md5("$urlString&{$bucketConfig->bucketName}&$gmtDate&{$bucketConfig->operatorPassword}");
+        $sign = md5("$urlString&{$serviceConfig->serviceName}&$gmtDate&{$serviceConfig->operatorPassword}");
         return array(
-            'Authorization' => "UpYun {$bucketConfig->bucketName}:{$bucketConfig->operatorName}:$sign",
+            'Authorization' => "UpYun {$serviceConfig->serviceName}:{$serviceConfig->operatorName}:$sign",
             'Date' => $gmtDate,
-            'User-agent' => 'Php-Sdk/' . $bucketConfig->getVersion() . ' (purge api)'
+            'User-agent' => 'Php-Sdk/' . $serviceConfig->getVersion() . ' (purge api)'
         );
     }
 
     /**
      * 获取表单 API 需要的签名，依据 body 签名规则计算
-     * @param Config $bucketConfig
+     * @param Config $serviceConfig
      * @param $method 请求方法
      * @param $uri 请求路径
      * @param $date 请求时间
@@ -75,7 +75,7 @@ public static function getPurgeSignHeader(Config $bucketConfig, $urlString)
      *
      * @return array
      */
-    public static function getBodySignature(Config $bucketConfig, $method, $uri, $date = null, $policy = null, $contentMd5 = null)
+    public static function getBodySignature(Config $serviceConfig, $method, $uri, $date = null, $policy = null, $contentMd5 = null)
     {
         $data = array(
             $method,
@@ -92,7 +92,7 @@ public static function getBodySignature(Config $bucketConfig, $method, $uri, $da
         if ($contentMd5) {
             $data[] = $contentMd5;
         }
-        $signature = base64_encode(hash_hmac('sha1', implode('&', $data), $bucketConfig->operatorPassword, true));
-        return 'UPYUN ' . $bucketConfig->operatorName . ':' . $signature;
+        $signature = base64_encode(hash_hmac('sha1', implode('&', $data), $serviceConfig->operatorPassword, true));
+        return 'UPYUN ' . $serviceConfig->operatorName . ':' . $signature;
     }
 }

src/Upyun/Upyun.php

@@ -366,7 +366,7 @@ public function queryProcessStatus($taskIds)
      *         'path' => array('/v2.mp4'),
      *         'signature' => '4042c1f07f546d28',
      *         'status_code' => 200,
-     *         'bucket_name' => 'your_storage_bucket',
+     *         'service_name' => 'your_storage_service',
      *         'description' => 'OK',
      *         'task_id' => '9d9c32b63a1034834e77672c6f51f661',
      *         'timestamp' => 1472010684