如何使用Python正确调用Steam InitTxn？

问题描述 投票：0回答：1

我正在 Steam 上为我的游戏进行应用内购买。在我的服务器上，我使用 python 3。我尝试发出 https 请求，如下所示：

conn = http.client.HTTPSConnection("partner.steam-api.com")
orderid = uuid.uuid4().int & (1<<64)-1
print("orderid = ", orderid)
key = "xxxxxxxxxxxxxxxxxxx" # omitted for security reason
steamid = "xxxxxxxxxxxxxxxxxxx" # omitted for security reason
pid = "testItem1"
appid = "480"
itemcount = 1
currency = 'CNY'
amount = 350
description = 'testing_description'
urlSandbox = "/ISteamMicroTxnSandbox/"
s = f'{urlSandbox}InitTxn/v3/?key={key}&orderid={orderid}&appid={appid}&steamid={steamid}&itemcount={itemcount}&currency={currency}&itemid[0]={pid}&qty[0]={1}&amount[0]={amount}&description[0]={description}'
print("s = ", s)
conn.request('POST', s)
r = conn.getresponse()
print("InitTxn result = ", r.read())

我检查了控制台中的s，它是：

s =  /ISteamMicroTxnSandbox/InitTxn/v3/?key=xxxxxxx&orderid=11506775749761176415&appid=480&steamid=xxxxxxxxxxxx&itemcount=1&currency=CNY&itemid[0]=testItem1&qty[0]=1&amount[0]=350&description[0]=testing_description

但是我收到了错误的请求响应：

InitTxn result =  b"<html><head><title>Bad Request</title></head><body><h1>Bad Request</h1>Required parameter 'orderid' is missing</body></html>"

如何解决这个问题？谢谢！

顺便说一句，我使用几乎相同的方式调用 GetUserInfo，除了更改参数并将 POST 替换为 GET 请求之外，效果很好。

刚刚读到我应该在帖子中添加参数。所以我将代码更改为如下，但仍然得到相同的错误“缺少必需的参数'orderid'”

    params = {
    'key': key,
    'orderid': orderid,
    'appid': appid,
    'steamid': steamid,
    'itemcount': itemcount,
    'currency': currency,
    'pid': pid,
    'qty[0]': 1,
    'amount[0]': amount,
    'description[0]': description
}
s = urllib.parse.urlencode(params)
# In console: s =  key=xxxxx&orderid=9231307508782239594&appid=480&steamid=xxx&itemcount=1&currency=CNY&pid=testItem1&qty%5B0%5D=1&amount%5B0%5D=350&description%5B0%5D=testing_description
print("s = ", s)
conn.request('POST', url=f'{urlSandbox}InitTxn/v3/', body=s)
python steam steamworks-api
1个回答
0
投票

我错过了标题和语言中的

content-type
部分。也不要使用 
urllib.parse
，因为它会将参数名称（例如“itemid[0]”）更改为“itemid%5B0%5D”，这在 steam 端将无法正确解析。

最终代码示例：

conn = http.client.HTTPSConnection("partner.steam-api.com")
headers = {'Content-Type': 'application/x-www-form-urlencoded'}
orderid = uuid.uuid4().int & (1<<64)-1
print("orderid = ", orderid)
key = "xxxxxxxxxxxxxxxxxxx" # omitted for security reason
steamid = "xxxxxxxxxxxxxxxxxxx" # omitted for security reason
pid = "testItem1"
appid = "480"
itemcount = 1
currency = 'CNY'
amount = 350
language = 'zh-CN'
description = 'testing_description'
urlSandbox = "/ISteamMicroTxnSandbox/"
s = f'{urlSandbox}InitTxn/v3/?key={key}&orderid={orderid}&appid={appid}&steamid={steamid}&itemcount={itemcount}&language={language}&currency={currency}&itemid[0]={pid}&qty[0]={1}&amount[0]={amount}&description[0]={description}'
conn.request('POST', url=f'{urlSandbox}InitTxn/v3/', headers=headers, body=s)
r = conn.getresponse()
print("InitTxn result = ", r.read())

我以为我可以以正确的格式发送 HTTPs 请求，但我仍然收到 403 错误 

b'<html><head><title>Forbidden</title></head><body><h1>Forbidden</h1>Access is denied. Retrying will not help. Please verify your <pre>key=</pre> parameter.</body></html>'

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