144 lines
4.1 KiB
PHP
144 lines
4.1 KiB
PHP
<?php
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defined('BASEPATH') OR exit('No direct script access allowed');
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use EasyWeChat\Foundation\Application as OfficialAccount;
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/**
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* DNA检测系统微信授权入口首页
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* @author luoxuancai
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*/
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class Weixin extends CI_Controller {
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public function __construct()
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{
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parent::__construct();
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$this->load->library('session');
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$this->load->model('customer_model');
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}
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protected function getApp(){
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$conf = $this->config->item('weixin_uah');
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$config = [
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'app_id' => $conf['AppId'],
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'secret' => $conf['AppSecert'],
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'token' => $conf['Token'],
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'aes_key' => $conf['EncodingAESKey'],
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'response_type' => 'array',
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];
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return new OfficialAccount($config);
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}
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// 发起授权页
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public function index()
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{
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$to_url = $this->input->get('url');
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if(empty($to_url)){
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die('Url is empty.');
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}
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//支持静默授权
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$scope = !empty($this->input->get('is_base'))?'snsapi_base':'snsapi_userinfo';
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//如已登录,则不跳转
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if(!empty($this->session->{Customer_model::SESSION_KEY})){
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Header("HTTP/1.1 303 See Other");
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Header("Location: $to_url");
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die;
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}
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//未登录,则跳转授权,处理会员数据之后再进行一次跳转
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$callback_url = base_url().strtolower(__CLASS__).'/callback';
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$callback_url.='?url='.urlencode($to_url);
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$app = $this->getApp();
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$response = $app->oauth->scopes([$scope])->redirect($callback_url);
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$response->send();
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}
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//授权回调页
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public function callback()
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{
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$to_url = $this->input->get('url');
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$app = $this->getApp();
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try{
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$user = $app->oauth->user();
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}catch (Exception $e){
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die('Error:'.$e->getMessage());
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}
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if(!$user){
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die('User info empty.');
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}
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if($user->original['scope'] == 'snsapi_base') {
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$this->session->{Customer_model::SESSION_KEY_WX_OPEN_ID} = $user->original['openid'];
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}else{
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$ret = $this->customer_model->weixin_users($user->original);
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if(!$ret){
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die('Database connect failed.');
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}
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$this->session->{Customer_model::SESSION_KEY} = $ret;
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}
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Header("HTTP/1.1 303 See Other");
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Header("Location: $to_url");
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}
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// 直接设置session user id,在微信外登录
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public function test()
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{
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$this->session->{Customer_model::SESSION_KEY} = 1;
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die('dfdf');
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//$this->session->{Customer_model::SESSION_KEY_WX_OPEN_ID} = 'ddd';
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//echo $this->session->{Customer_model::SESSION_KEY_WX_OPEN_ID};die;
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}
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public function test2()
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{
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unset($this->session->{Customer_model::SESSION_KEY});
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//$this->session->{Customer_model::SESSION_KEY} = 26;
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// $this->session->{Customer_model::SESSION_KEY} = 'aadd';
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// if(!empty($this->session->{Customer_model::SESSION_KEY})){
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// die('222');
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// }
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}
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public function test_get()
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{
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var_dump($this->session->{Customer_model::SESSION_KEY});
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}
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//判断是介入还是用户 只有第一次介入的时候才会返回echostr
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public function check_sign(){
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//这个echostr呢 只有说验证的时候才会echo 如果是验证过之后这个echostr是不存在的字段了
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$echoStr = $_GET["echostr"];
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if ($this->checkSignature()) {
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echo $echoStr;
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//如果你不知道是否验证成功 你可以先echo echostr 然后再写一个东西
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exit;
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}
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}
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//验证微信开发者模式接入是否成功
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private function checkSignature(){
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//signature 是微信传过来的 类似于签名的东西
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$signature = $_GET["signature"];
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//微信发过来的东西
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$timestamp = $_GET["timestamp"];
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//微信传过来的值 什么用我不知道...
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$nonce = $_GET["nonce"];
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//定义你在微信公众号开发者模式里面定义的token
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$token = $this->Token;
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//三个变量 按照字典排序 形成一个数组
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$tmpArr = array(
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$token,
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$timestamp,
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$nonce
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);
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// use SORT_STRING rule
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sort($tmpArr, SORT_STRING);
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$tmpStr = implode($tmpArr);
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//哈希加密 在laravel里面是Hash::
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$tmpStr = sha1($tmpStr);
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//按照微信的套路 给你一个signature没用是不可能的 这里就用得上了
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if ($tmpStr == $signature) {
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return true; //一定要返回 不要echo 负责微信拿不到返回值导致不通过
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} else {
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return false;
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}
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}// checkSignature end
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}
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