InfoStr authorization login process for Alipay app login authorization

Official website:

Server sdk: https://docs.open.alipay.com/54/103419/

How to use the client to log in: https://docs.open .alipay.com/218/105329/

App authorization login process:

服务端先拿到 App 端 调用 支付宝 SDK 所需要的 infoStr App 端 通过 infoStr 获得用户 授权 code 服务端通过 授权 code 拿到请求 token 服务端通过 token 获得用户信息

##App-side Alipay login steps:

1. Backend transfer infoStr

Officially writes this: https://docs.open.alipay.com/218/105325/

See the example here :

apiname=com.alipay.account.auth&app_id=xxxxx&app_name=mc&auth_type=AUTHACCOUNT&biz_type=openservice&method=alipay.open.auth.sdk.code.get&pid=xxxxx&product_id=APP_FAST_LOGIN&scope=kuaijie&sign_type=RSA2&target_id=20141225xxxx&sign=fMcp4GtiM6rxSIeFnJCVePJKV43eXrUP86CQgiLhDHH2u%2FdN75eEvmywc2ulkm7qKRetkU9fbVZtJIqFdMJcJ9Yp%2BJI%2FF%2FpESafFR6rB2fRjiQQLGXvxmDGVMjPSxHxVtIqpZy5FDoKUSjQ2%2FILDKpu3%2F%2BtAtm2jRw1rUoMhgt0%3D

I was very confident at first. I checked if the sdk has alipay.open.auth.sdk.code.get method, but I didn’t see this word after global search.

Then try I tried to use this connection to request whether I would get the authcode, but it still failed.

My mood exploded, and then I saw a blog and realized that I was wrong from the beginning. It turns out that the return only requires background splicing, no request is required.

Maybe the idea at the beginning was incorrect, so I struggled all afternoon.

Quote from other developers:

Get infoStr

/** * InfoStr APP登录需要的的infostr * * @return String */ public function infoStr() { $infoStr = http_build_query([ 'apiname' => 'com.alipay.account.auth', 'method' => 'alipay.open.auth.sdk.code.get', 'app_id' => $this->app_id, 'app_name' => 'mc', 'biz_type' => 'openservice', 'pid' => $this->pid, 'product_id' => 'APP_FAST_LOGIN', 'scope' => 'kuaijie', 'target_id' => mt_rand(999, 99999), //商户标识该次用户授权请求的ID，该值在商户端应保持唯一 'auth_type' => 'AUTHACCOUNT', // AUTHACCOUNT代表授权；LOGIN代表登录 'sign_type' => 'RSA2', ]); $infoStr .= '&sign='.$this->enRSA2($infoStr); return $infoStr; } /** * enRSA2 RSA加密 * * @param String $data * @return String */ private function enRSA2($data) { $str = chunk_split(trim($this->private_key), 64, "\n"); $key = "-----BEGIN RSA PRIVATE KEY-----\n$str-----END RSA PRIVATE KEY-----\n"; // $key = file_get_contents(storage_path('rsa_private_key.pem')); 为文件时这样引入 $signature = ''; $signature = openssl_sign($data, $signature, $key, OPENSSL_ALGO_SHA256)?base64_encode($signature):NULL; return $signature; }

The code comes from https:// learnku.com/articles/30076#replies

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