elixir-alipay's Introduction

Alipay

Alipay Elixir SDK

Support API

即时到账

Installation

If available in Hex, the package can be installed as:

Add alipay to your list of dependencies in mix.exs:

```elixir
def deps do
  [{:alipay, git: "https://github.com/davidqhr/elixir-alipay" }]
end
```

Ensure alipay is started before your application:

```elixir
def application do
  [applications: [:alipay]]
end
```

Usage

policy = %Alipay.Mapi.Policy{ pid: "", key: "", sign_type: "MD5" }

url = Alipay.Mapi.create_direct_pay_by_user_url(policy, %{
  out_trade_no: "no",
  subject: "subject",
  notify_url: "https://example.com",
  return_url: "https://example.com",
  total_fee: "10.00"
})

# open the url in a browser

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新版验签需要公钥，大致写了下，如果有兴趣可以加入项目

params=%{"app_id" => "20171021xxxxxx", "auth_app_id" => "2017102109xxxxx",
  "buyer_id" => "2088002xxxxxxxxxxx",
  "buyer_logon_id" => "how***@xxxxx.cn", "buyer_pay_amount" => "0.01",
  "charset" => "utf-8",
  "fund_bill_list" => "[{\"amount\":\"0.01\",\"fundChannel\":\"ALIPAYACCOUNT\"}]",
  "gmt_create" => "2017-10-26 14:05:23", "gmt_payment" => "2017-10-26 14:05:25",
  "invoice_amount" => "0.01",
  "notify_id" => "xxxxxxxxxxxxxxxxxxxxxxxxxx",
  "notify_time" => "2017-10-26 15:29:53", "notify_type" => "trade_status_sync",
  "out_trade_no" => "201710261alipay-198",
  "point_amount" => "0.00", "receipt_amount" => "0.01",
  "seller_email" => "[email protected]", "seller_id" => "208811135xxxxxxxxxxx",
  "sign" => "P458IeGg..............trQ==",
  "sign_type" => "RSA2", "subject" => "1", "total_amount" => "0.01",
  "trade_no" => "2017102621001004390xxxxxxxxxxx",
  "trade_status" => "TRADE_SUCCESS", "version" => "1.0"}

sn = params["sign"]

params = Map.drop(params, ["sign", "sign_type"])

needSigned = Enum.map(params, fn({k, v}) -> "#{k}=#{URI.decode(v)}" end) |> Enum.join("&")

pkeys="-----BEGIN PUBLIC KEY-----\nYOUR public keys...\n-----END PUBLIC KEY-----"

snio= :base64.decode(sn)

spk = :public_key.pem_decode(pkeys) |> hd |> :public_key.pem_entry_decode

s = :public_key.verify(needSigned , :sha256, snio, spk)

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