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前置数据参考 

数据说明：参见官方文档回调事件消息体加解密 - 钉钉开放平台 (dingtalk.com)

URL后面带的参数：

signature=5a65ceeef9aab2d149439f82dc191dd6c5cbe2c0&timestamp=1445827045067&nonce=nEXhMP4r

Post参数：

{         "encrypt":"1a3NBxmCFwkCJvfoQ7WhJHB+iX3qHPsc9JbaDznE1i03peOk1LaOQoRz3+nlyGNhwmwJ3vDMG+OzrHMeiZI7gTRWVdUBmfxjZ8Ej23JVYa9VrYeJ5as7XM/ZpulX8NEQis44w53h1qAgnC3PRzM7Zc/D6Ibr0rgUathB6zRHP8PYrfgnNOS9PhSBdHlegK+AGGanfwjXuQ9+0pZcy0w9lQ==" }

Env.TOKEN：123456

Env.ENCODING_AES_KEY：4g5j64qlyl3zvetqxz5jiocdr586fn2zvjpa8zls3ij

Env.KEY：suite4xxxxxxxxxxxxxxx

代码（info_return.php）

<?php
define( 'TOKEN', '123456' );
define( 'ENCODING_AES_KEY', '4g5j64qlyl3zvetqxz5jiocdr586fn2zvjpa8zls3ij' );
define( 'SUITE_KEY', 'suite4xxxxxxxxxxxxxxx' );
// 包含 DingtalkCrypt 类
require_once 'DingtalkCrypt.php';$signature = $_GET[ 'signature' ];
$timeStamp = $_GET[ 'timestamp' ];
$nonce = $_GET[ 'nonce' ];
// $postdata = file_get_contents( 'php://input' );
// $postList = json_decode( $postdata, true );
// $encrypt = $postList[ 'encrypt' ];
$encrypt = '1a3NBxmCFwkCJvfoQ7WhJHB+iX3qHPsc9JbaDznE1i03peOk1LaOQoRz3+nlyGNhwmwJ3vDMG+OzrHMeiZI7gTRWVdUBmfxjZ8Ej23JVYa9VrYeJ5as7XM/ZpulX8NEQis44w53h1qAgnC3PRzM7Zc/D6Ibr0rgUathB6zRHP8PYrfgnNOS9PhSBdHlegK+AGGanfwjXuQ9+0pZcy0w9lQ==';
$crypt = new DingtalkCrypt( TOKEN, ENCODING_AES_KEY, SUITE_KEY );$msg = '';
$errCode = $crypt->DecryptMsg( $signature, $timeStamp, $nonce, $encrypt, $msg );if ( $errCode != 0 ) {echo ( json_encode( $_GET ) . '  ERR:' . $errCode );/*** 创建套件时检测回调地址有效性，使用CREATE_SUITE_KEY作为SuiteKey*/// $crypt = new DingtalkCrypt( TOKEN, ENCODING_AES_KEY, CREATE_SUITE_KEY );// $errCode = $crypt->DecryptMsg( $signature, $timeStamp, $nonce, $encrypt, $msg );if ( $errCode == 0 ) {// echo( 'DECRYPT CREATE SUITE MSG SUCCESS ' . json_encode( $_GET ) . '  ' . $msg );$eventMsg = json_decode( $msg );$eventType = $eventMsg->EventType;if ( 'check_create_suite_url' === $eventType ) {$random = $eventMsg->Random;$testSuiteKey = $eventMsg->TestSuiteKey;$encryptMsg = '';$errCode = $crypt->EncryptMsg( $random, $timeStamp, $nonce, $encryptMsg );if ( $errCode == 0 ) {echo ( 'CREATE SUITE URL RESPONSE: ' . $encryptMsg );echo $encryptMsg;} else {echo ( 'CREATE SUITE URL RESPONSE ERR: ' . $errCode );}} else {// should never happened}} else {echo ( json_encode( $_GET ) . 'CREATE SUITE ERR:' . $errCode );}return;
} else {/*** 套件创建成功后的回调推送*/// echo( 'DECRYPT MSG SUCCESS ' . json_encode( $_GET ) . '  ' . $msg );$eventMsg = json_decode( $msg );$eventType = $eventMsg->EventType;/*** 套件ticket*/if ( 'suite_ticket' === $eventType ) {Cache::setSuiteTicket( $eventMsg->SuiteTicket );}/*** 临时授权码*/else if ( 'tmp_auth_code' === $eventType ) {$tmpAuthCode = $eventMsg->AuthCode;Activate::autoActivateSuite( $tmpAuthCode );}/*** 授权变更事件*//*user_add_org : 通讯录用户增加user_modify_org : 通讯录用户更改user_leave_org : 通讯录用户离职org_admin_add ：通讯录用户被设为管理员org_admin_remove ：通讯录用户被取消设置管理员org_dept_create ： 通讯录企业部门创建org_dept_modify ： 通讯录企业部门修改org_dept_remove ： 通讯录企业部门删除org_remove ： 企业被解散*/ else if ( 'user_add_org' === $eventType ) {echo ( json_encode( $_GET ) . '  ERR:user_add_org' );// handle auth change event} else if ( 'user_modify_org' === $eventType ) {echo ( json_encode( $_GET ) . '  ERR:user_modify_org' );// handle auth change event} else if ( 'user_leave_org' === $eventType ) {echo ( json_encode( $_GET ) . '  ERR:user_leave_org' );// handle auth change event}/*** 应用被解除授权的时候，需要删除相应企业的存储信息*/else if ( 'suite_relieve' === $eventType ) {$corpid = $eventMsg->AuthCorpId;ISVService::removeCorpInfo( $corpid );// handle auth change event} else if ( 'change_auth' === $eventType ) {// handle auth change event}/*** 回调地址更新*/else if ( 'check_update_suite_url' === $eventType ) {$random = $eventMsg->Random;$testSuiteKey = $eventMsg->TestSuiteKey;$encryptMsg = '';$errCode = $crypt->EncryptMsg( $random, $timeStamp, $nonce, $encryptMsg );if ( $errCode == 0 ) {// echo( 'UPDATE SUITE URL RESPONSE: ' . $encryptMsg );echo $encryptMsg;return;} else {// echo( 'UPDATE SUITE URL RESPONSE ERR: ' . $errCode );}} else {// should never happen}$res = 'success';$encryptMsg = '';$errCode = $crypt->EncryptMsg( $res, $timeStamp, $nonce, $encryptMsg );if ( $errCode == 0 ) {echo $encryptMsg;// echo( 'RESPONSE: ' . $encryptMsg );} else {// echo( 'RESPONSE ERR: ' . $errCode );}
}