How to implement the verification of WeChat Mini Programs message push php server
This article introduces the relevant knowledge of "how to implement WeChat Mini Programs message push php server verification". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!
Detailed explanation of WeChat Mini Programs message push php server verification example
Wechat document (there is a "access guide" below): https://mp.weixin.qq.com/debug/wxadoc/dev/api/custommsg/callback_help.html
Settings page (Settings > Development Settings):
Https://mp.weixin.qq.com/wxopen/initprofile?action=home&lang=zh_CN
1. Set server domain name
For example: https://hosts.com
Note the difference between http and https protocols.
two。 Set up message push
2.1 adding server interface test.php,test.php to your server mainly verifies whether the message is sent by Wechat through token. The code refers to the official example:
Define ("TOKEN", "xxxxx"); / token$wechatObj = new wechatAPI () filled in at backend; $wechatObj- > isValid (); class wechatAPI {public function isValid () / / verify Wechat API. If confirmed as Wechat, return its echostr parameter {$echoStr = $_ GET ["echostr"]; if ($this- > checkSignature ()) {echo $echoStr; exit;}} private function checkSignature () / / official verification function {$signature = $_ GET ["signature"] $timestamp = $GET ["timestamp"]; $nonce = $_ GET ["nonce"]; $token = TOKEN; $tmpArr = array ($token, $timestamp, $nonce); sort ($tmpArr, SORT_STRING); $tmpStr = implode ($tmpArr); $tmpStr = sha1 ($tmpStr); if ($tmpStr = = $signature) {return true;} else {return false;}
2.2 set Mini Program background message push related information
URL (server address): https://hosts.com/xx/test.php
Token: any string that conforms to the specification, such as "xxxxx" defined above
EncodingAESKey (message encryption key): (randomly generated, just save it yourself, this encryption and decryption only)
Message encryption: choose plaintext for the time being, without thinking about encryption and decryption.
Data format: choose according to the demand.
Submit, if there is no problem, it will be successful. (if there is a problem, you can pass the browser test with fake data.)
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