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Modified
docs/misc/sign/APP.md
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XFEstudio/bilibili-API-collect
feature: App Sign 添加java版本实现 (#729)
* feature: App Sign 添加java版本实现 * modify: 优化签名代码以及文档
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代码差异
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@@ -23,7 +23,7 @@
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## Demo
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该 Demo 提供 [Python](#Python) 语言例程
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该 Demo 提供 [Python](#Python) 和 [Java](#Java) 语言例程
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使用 appkey = `1d8b6e7d45233436`, appsec = `560c52ccd288fed045859ed18bffd973` 对如下 `params` 参数进行签名
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@@ -63,3 +63,71 @@ print(query)
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{'appkey': '1d8b6e7d45233436', 'id': 114514, 'str': '1919810', 'test': 'いいよ，こいよ', 'sign': '01479cf20504d865519ac50f33ba3a7d'}
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appkey=1d8b6e7d45233436&id=114514&str=1919810&test=%E3%81%84%E3%81%84%E3%82%88%EF%BC%8C%E3%81%93%E3%81%84%E3%82%88&sign=01479cf20504d865519ac50f33ba3a7d
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```
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### Java
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```java
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package io.github.cctyl;
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import java.nio.charset.StandardCharsets;
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import java.util.HashMap;
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import java.util.Map;
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import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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import java.net.URLEncoder;
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import java.util.TreeMap;
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/**
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* @author cctyl
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*/
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public class AppSigner {
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private static final String APP_KEY = "1d8b6e7d45233436";
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private static final String APP_SEC = "560c52ccd288fed045859ed18bffd973";
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public static String appSign(Map<String, String> params) {
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// 为请求参数进行 APP 签名
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params.put("appkey", APP_KEY);
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// 按照 key 重排参数
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Map<String, String> sortedParams = new TreeMap<>(params);
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// 序列化参数
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StringBuilder queryBuilder = new StringBuilder();
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for (Map.Entry<String, String> entry : sortedParams.entrySet()) {
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if (queryBuilder.length() > 0) {
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queryBuilder.append('&');
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}
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queryBuilder
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.append(URLEncoder.encode(entry.getKey(), StandardCharsets.UTF_8))
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.append('=')
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.append(URLEncoder.encode(entry.getValue(), StandardCharsets.UTF_8));
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}
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return generateMD5(queryBuilder .append(APP_SEC).toString());
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}
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private static String generateMD5(String input) {
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try {
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MessageDigest md = MessageDigest.getInstance("MD5");
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byte[] digest = md.digest(input.getBytes());
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StringBuilder sb = new StringBuilder();
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for (byte b : digest) {
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sb.append(String.format("%02x", b));
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}
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return sb.toString();
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} catch (NoSuchAlgorithmException e) {
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e.printStackTrace();
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}
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return null;
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}
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public static void main(String[] args) {
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Map<String, String> params = new HashMap<>();
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params.put("id", "114514");
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params.put("str", "1919810");
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params.put("test", "いいよ，こいよ");
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System.out.println(appSign(params));
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}
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}
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```
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输出结果为：01479cf20504d865519ac50f33ba3a7d