英文:
What is the cause of BadWebPushTopic from https://web.push.apple.com?
问题
我从苹果的 WebPush API https://web.push.apple.com/... 不定期收到响应 {"reason":"BadWebPushTopic"}，响应代码为 400。如果我稍后使用相同的 Topic 发送相同的消息，它就能正常工作。
我的 Topic 标头始终为包含 0-9 和 a-z 的 25 个字符。
有关如何处理此错误的建议吗？
英文:
I receive sporadic from the Apple webpush API https://web.push.apple.com/... the response {"reason":"BadWebPushTopic"} with response code 400 . If I send the same message with the same Topic later it work without problems.
My Topic header has always 25 characters with 0-9 and a-z.
Any suggestion how to handle this error?
答案1
得分: 4
经过许多测试，似乎主题大小与4的因子相匹配。听起来苹果服务器试图将其解码为base64。我已经用0填充了32个字符，这是主题的最大尺寸。
英文:
After many tests, it seems that the topic size works with a factor of 4. Sounds like the Apple server try to decode it as base64. I have fill it with 0 to 32 characters, which is the max size for the topic.
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