fix urlencode bug

- utf-8 encode wrong
   before: `测试 +.txt` -> `%E6%B5_%E8%AF_%20+.txt`
   now: `测试 +.txt` -> `%E6%B5%8B%E8%AF%95%20+.txt`
- add debug mode in config, default is false

Author: sabakugaara

Diff for: src/Upyun/Api/Rest.php

@@ -6,6 +6,7 @@
 use GuzzleHttp\Psr7;
 use Upyun\Config;
 use Upyun\Signature;
+use Upyun\Util;
 
 class Rest {
     /**
@@ -61,13 +62,22 @@ public function send() {
         if($this->file && $this->method === 'PUT') {
             $body = $this->file;
         }
-        // TODO urlencode path
-        $path = '/' . $this->config->bucketName . '/' . ltrim($this->storagePath, '/');
 
-        $authHeader = Signature::getHeaderSign($this->config, $this->method, $path);
-        $response = $client->request($this->method, $url, [
-            'headers' => array_merge($authHeader, $this->headers),
-            'body' => $body
+        $request = new Psr7\Request(
+            $this->method,
+            Util::encodeURI($url),
+            $this->headers,
+            $body
+        );
+        $authHeader = Signature::getHeaderSign($this->config,
+            $this->method,
+            $request->getUri()->getPath()
+        );
+        foreach($authHeader as $head => $value) {
+            $request = $request->withHeader($head, $value);
+        }
+        $response = $client->send($request, [
+            'debug' => $this->config->debug
         ]);
 
         return $response;

Diff for: src/Upyun/Config.php

@@ -56,6 +56,11 @@ class Config {
      */
     public $processNotifyUrl;
 
+    /**
+     * @var boolean curl debug
+     */
+    public $debug = false;
+
     private $version = '3.0.0';
 
 

Diff for: src/Upyun/Util.php

@@ -56,4 +56,24 @@ public static function md5Hash($resource) {
         $md5 = hash_final($ctx);
         return $md5;
     }
-}
+
+    /**
+     * GuzzleHttp\Psr\Uri use `parse_url`，not good for utf-8,
+     * So should `encodeURI` first, before `new Psr7\Request`
+     * @see http://stackoverflow.com/questions/4929584/encodeuri-in-php
+     */
+    public static function encodeURI($url) {
+        $unescaped = array(
+            '%2D'=>'-','%5F'=>'_','%2E'=>'.','%21'=>'!', '%7E'=>'~',
+            '%2A'=>'*', '%27'=>"'", '%28'=>'(', '%29'=>')'
+        );
+        $reserved = array(
+            '%3B'=>';','%2C'=>',','%2F'=>'/','%3F'=>'?','%3A'=>':',
+            '%40'=>'@','%26'=>'&','%3D'=>'=','%2B'=>'+','%24'=>'$'
+        );
+        $score = array(
+            '%23'=>'#'
+        );
+        return strtr(rawurlencode($url), array_merge($reserved,$unescaped,$score));
+    }
+}

Diff for: tests/UpyunTest.php

@@ -29,7 +29,7 @@ public static function tearDownAfterClass() {
     }
 
     public function testWriteString() {
-        $filename = 'test.txt';
+        $filename = '/中文/测试 +.txt';
         $content = 'test file content';
         self::$upyun->write($filename, $content);
         $size = getUpyunFileSize($filename);
@@ -215,4 +215,4 @@ public function testQueryProcessResult() {
         $this->assertTrue($result[self::$taskId]['path'][0] === '/video/result.mp4');
         $this->assertTrue($result[self::$taskId]['status_code'] === 200);
     }
-}
+}