update

.gitignore

@@ -0,0 +1 @@
+/vendor/

README.md

@@ -1 +1,26 @@
-# googe-iap-php
+# google-iap-php
+
+Google支付验证
+
+## install
+```bash
+composer require sn01615/google-iap-php
+```
+
+## use
+```php
+
+use sn01615\iap\google\Verify;
+
+include "../vendor/autoload.php";
+
+$cc = new Verify();
+
+# 通过setPublicKey设置public key，然后输入data和sign，返回验证结果
+$vv = $cc->setPublicKey('key')->verify('data', 'signature');
+
+# Returns 1 if the signature is correct, 0 if it is incorrect, and -1 on error.
+# 如果$vv 等于1代表成功 0 代表失败 -1 表示错误
+var_dump($vv);
+
+```

composer.json

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+{
+  "name": "sn01615/google-iap-php",
+  "description": "Google iap verify",
+  "type": "library",
+  "license": "MIT",
+  "authors": [
+    {
+      "name": "YangLong",
+      "email": "[email protected]"
+    }
+  ],
+  "autoload": {
+    "psr-4": {
+      "sn01615\\": "src/"
+    }
+  },
+  "require": {
+    "ext-openssl": "*"
+  }
+}

src/iap/google/Verify.php

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+<?php
+
+
+namespace sn01615\iap\google;
+
+
+class Verify
+{
+
+    private $public_key;
+
+    public function __construct($public_key = null)
+    {
+        $this->setPublicKey($public_key);
+    }
+
+    public function setPublicKey($public_key)
+    {
+        $this->public_key = $public_key;
+        return $this;
+    }
+
+    /**
+     * @param string $data 客户端回传的 INAPP_PURCHASE_DATA 对应的数据
+     * @param string $signature 客户端回传的 INAPP_DATA_SIGNATURE 对应的数据
+     * @return int
+     */
+    public function verify($data, $signature)
+    {
+        $google_public_key = $this->public_key;
+        $public_key = "-----BEGIN PUBLIC KEY-----\n" . chunk_split($google_public_key, 64, "\n") . "-----END PUBLIC KEY-----";
+        $public_key_handle = openssl_get_publickey($public_key);
+        $result = openssl_verify($data, base64_decode($signature), $public_key_handle, OPENSSL_ALGO_SHA1);
+        return $result;
+    }
+}