初始化代码

app/Common/extend/tenxunyunimage/QcloudImage/Auth.php

@@ -0,0 +1,48 @@
+<?php
+/**
+ * Signature create related functions.
+ */
+namespace QcloudImage;
+
+/**
+ * Auth class for creating reusable signature.
+ */
+class Auth {
+	
+	public function __construct($appId, $secretId, $secretKey) {
+		$this->appId = $appId;
+        $this->secretId = $secretId;
+        $this->secretKey = $secretKey;
+	}
+	/**
+	 * Return the appId
+	 */
+	public function getAppId() {
+		return $this->appId;
+	}
+
+    /**
+     * Create reusable signature.
+     * This signature will expire at time()+$howlong timestamp.
+     * Return the signature on success.
+	 * Return false on fail.
+     */
+    public function getSign($bucket, $howlong = 30) {
+		if ($howlong <= 0) {
+			return false;
+		}
+		
+        $now = time();
+		$expiration = $now + $howlong;
+        $random = rand();
+		
+        $plainText = "a=".$this->appId."&b=$bucket&k=".$this->secretId."&e=$expiration&t=$now&r=$random&f=";
+        $bin = hash_hmac('SHA1', $plainText, $this->secretKey, true);
+
+        return base64_encode($bin.$plainText);
+    }
+	
+    private $appId = "";
+    private $secretId = "";
+    private $secretKey = "";
+}