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38 lines
1.5 KiB
Markdown
38 lines
1.5 KiB
Markdown
#### 什么是推送加密
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推送加密是一种保护推送内容的方法，它使用自定义秘钥在发送和接收时对推送内容进行加密和解密。<br>这样，推送内容在传输过程中就不会被 Bark 服务器和苹果 APNs 服务器获取或泄露。
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#### 设置自定义秘钥
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1. 打开APP首页
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2. 找到 “推送加密” ，点击加密设置
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3. 选择加密算法，按要求填写KEY，点击完成保存自定义秘钥
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#### 发送加密推送
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要发送加密推送，首先需要把 Bark 请求参数转换成 json 格式的字符串，然后用之前设置的秘钥和相应的算法对字符串进行加密，最后把加密后的密文作为ciphertext参数发送到服务器。<br><br>
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**示例：**
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```sh
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#!/usr/bin/env bash
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set -e
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# bark key
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deviceKey='F5u42Bd3HyW8KxkUqo2gRA'
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# push payload
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json='{"body": "test", "sound": "birdsong"}'
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# Must be 16 bit long
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key='1234567890123456'
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# IV can be randomly generated, but if it is random, it needs to be passed in the iv parameter.
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iv='1234567890123456'
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# openssl requires Hex encoding of manual keys and IVs, not ASCII encoding.
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key=$(printf $key | xxd -ps -c 200)
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iv=$(printf $iv | xxd -ps -c 200)
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ciphertext=$(echo -n $json | openssl enc -aes-128-cbc -K $key -iv $iv | base64)
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# The console will print "+aPt5cwN9GbTLLSFri60l3h1X00u/9j1FENfWiTxhNHVLGU+XoJ15JJG5W/d/yf0"
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echo $ciphertext
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# URL encoding the ciphertext, there may be special characters.
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curl --data-urlencode "ciphertext=$ciphertext" --data-urlencode "iv=1234567890123456" https://api.day.app/$deviceKey
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``` |