add ad track and postback

conf/app.php

@@ -204,6 +204,22 @@ $configs = array(
     "password_auth" => array(
         "enable" => false,
     ),
+
+
+    //广告跟踪参数配置
+    "ad_tracker" => array(
+        "enable" => false,
+        "parameters" => array(
+            "gclid",
+            "gadid",
+        ),
+
+        //广告跟踪回调接口
+        "postbackApi" => "",
+        "postbackParaMap" => array(
+            "clickid" => 'gclid',
+        ),
+    ),
 );
 
 //自定义配置支持
@@ -257,4 +273,14 @@ if (file_exists($customConfigFile)) {
     }catch(Exception $e) {}
 }
 
+//广告跟踪自定义配置
+$customConfigFile = __DIR__ . "/../runtime/custom_config_adtracker.json";
+if (file_exists($customConfigFile)) {
+    try {
+        $json = file_get_contents($customConfigFile);
+        $customConfigs = json_decode($json, true);
+        $configs = array_merge($configs, $customConfigs);
+    }catch(Exception $e) {}
+}
+
 return $configs;

conf/custom_config_adtracker.json

@@ -0,0 +1,10 @@
+{
+    "ad_tracker": {
+        "enable": false,
+        "parameters": ["gclid", "gadid"],
+        "postbackApi": "",
+        "postbackParaMap": {
+            "clickid": "gclid"
+        }
+    }
+}

themes/tajian/controller/FrontapiController.php

@@ -790,6 +790,16 @@ eof;
                         $shareUrl = "/{$newUser['username']}/";
                         $msg = "注册完成，开始收藏你喜欢的视频吧，正在为你跳转到专属网址...";
                         $code = 1;
+
+                        //广告跟踪回调
+                        try {
+                            $adTrackPostbackRes = $this->adTrackPostBack();
+                            if (!empty($adTrackPostbackRes) && !empty($adTrackPostbackRes['status']) && $adTrackPostbackRes['status'] != 200) {
+                                $this->logError( "Ad tracker postback result status {$adTrackPostbackRes['status']}, response: " . json_encode($adTrackPostbackRes['result']) );
+                            }
+                        }catch(Exception $e) {
+                            $this->logError("Ad tracker postback failed: " . $e->getMessage());
+                        }
                     }else {
                         $err = '注册失败，请稍后再试';
                     }

themes/tajian/controller/SiteController.php

@@ -9,9 +9,71 @@ require_once __DIR__ . '/../../../plugins/TajianStats.php';
 
 Class SiteController extends Controller {
 
-    //TODO: 广告跟踪，通过cookie保存广告参数
+    //广告跟踪，通过cookie保存广告参数
     protected function trackAdParameters() {
+        if (empty(FSC::$app['config']['ad_tracker']) || empty(FSC::$app['config']['ad_tracker']['enable'])) {
+            return false;
+        }
+
+        $params = FSC::$app['config']['ad_tracker']['parameters'];
+        if (empty($params)) {
+            return false;
+        }
+
+        $adParaData = array();
+        foreach ($params as $key) {
+            $val = $this->get($key);
+            if (!empty($val)) {
+                $adParaData[$key] = $val;
+            }
+        }
+
+        if (!empty($adParaData)) {
+            //30天内有效
+            setcookie('ad_tracker', json_encode($adParaData), time() + 86400*30, '/');
+        }
+    }
+
+    //广告跟踪回调
+    protected function adTrackPostBack() {
+        if (empty(FSC::$app['config']['ad_tracker']) || empty(FSC::$app['config']['ad_tracker']['enable'])) {
+            return false;
+        }
+
+        $params = FSC::$app['config']['ad_tracker']['parameters'];
+        if (empty($params)) {
+            return false;
+        }
+
+        $postbackApi = FSC::$app['config']['ad_tracker']['postbackApi'];
+        if (empty($postbackApi)) {
+            return false;
+        }
+
+        //为追加get参数做准备
+        if (strpos($postbackApi, "?") === false) {
+            $postbackApi .= "?timestamp=" . time();
+        }
+
+        //从cookie中获取跟踪到的广告参数
+        $adParaDataFromCookie = !empty($_COOKIE['ad_tracker']) ? json_decode( urldecode($_COOKIE['ad_tracker']), true ) : array();
+
+        //用记录下来的广告参数值替换回调API中的变量
+        $postbackParaMap = FSC::$app['config']['ad_tracker']['postbackParaMap'];
+        if (!empty($postbackParaMap)) {
+            foreach ($postbackParaMap as $find => $replace) {
+                $postbackApi = str_replace("\{{$find}\}", @adParaDataFromCookie[$replace], $postbackApi);
+            }
+        }
+
+        //把广告参数追加到回调API网址中
+        foreach($adParaDataFromCookie as $key => $val) {
+            $postbackApi .= "&{$key}=" . urlencode($val);
+        }
 
+        //请求回调API，所有广告参数同时GET和POST传参数以支持不同传参模式
+        $timeout = 10;
+        return $this->request($postbackApi, $adParaDataFromCookie, $timeout);
     }
 
     //TODO: 增加cookie跟踪同意/不同意选择，确保用户知道cookie跟踪了哪些数据