🥚 添加 amazon 平台

src/main/java/me/zhyd/oauth/config/AuthConfig.java

@@ -131,4 +131,11 @@ public class AuthConfig {
      * @since 1.15.9
      */
     private String packId;
+
+    /**
+     * 是否开启 PKCE 模式，该配置仅用于支持 PKCE 模式的平台，针对无服务应用，不推荐使用隐式授权，推荐使用 PKCE 模式
+     *
+     * @since 1.16.0
+     */
+    private boolean pkce;
 }

src/main/java/me/zhyd/oauth/config/AuthDefaultSource.java

@@ -832,5 +832,32 @@ public enum AuthDefaultSource implements AuthSource {
         public String refresh() {
             return "https://oauth.aliyun.com/v1/token";
         }
+    },
+
+    /**
+     * Amazon
+     *
+     * @since 1.16.0
+     */
+    AMAZON {
+        @Override
+        public String authorize() {
+            return "https://www.amazon.com/ap/oa";
+        }
+
+        @Override
+        public String accessToken() {
+            return "https://api.amazon.com/auth/o2/token";
+        }
+
+        @Override
+        public String userInfo() {
+            return "https://api.amazon.com/user/profile";
+        }
+
+        @Override
+        public String refresh() {
+            return "https://api.amazon.com/auth/o2/token";
+        }
     }
 }

src/main/java/me/zhyd/oauth/enums/scope/AuthAmazonScope.java

@@ -0,0 +1,28 @@
+package me.zhyd.oauth.enums.scope;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+/**
+ * Amazon平台 OAuth 授权范围
+ *
+ * @author yadong.zhang (yadong.zhang0415(a)gmail.com)
+ * @version 1.0.0
+ * @since 1.16.0
+ */
+@Getter
+@AllArgsConstructor
+public enum AuthAmazonScope implements AuthScope {
+
+    /**
+     * {@code scope} 含义，以{@code description} 为准
+     */
+    R_LITEPROFILE("profile", "The profile scope includes a user's name and email address", true),
+    R_EMAILADDRESS("profile:user_id", "The profile:user_id scope only includes the user_id field of the profile", true),
+    W_MEMBER_SOCIAL("postal_code", "This includes the user's zip/postal code number from their primary shipping address", true);
+
+    private final String scope;
+    private final String description;
+    private final boolean isDefault;
+
+}

src/main/java/me/zhyd/oauth/request/AuthAmazonRequest.java

@@ -0,0 +1,182 @@
+package me.zhyd.oauth.request;
+
+import com.alibaba.fastjson.JSONObject;
+import com.xkcoding.http.constants.Constants;
+import com.xkcoding.http.support.HttpHeader;
+import com.xkcoding.http.util.UrlUtil;
+import me.zhyd.oauth.cache.AuthStateCache;
+import me.zhyd.oauth.config.AuthConfig;
+import me.zhyd.oauth.config.AuthDefaultSource;
+import me.zhyd.oauth.enums.AuthResponseStatus;
+import me.zhyd.oauth.enums.AuthUserGender;
+import me.zhyd.oauth.enums.scope.AuthAmazonScope;
+import me.zhyd.oauth.exception.AuthException;
+import me.zhyd.oauth.model.AuthCallback;
+import me.zhyd.oauth.model.AuthResponse;
+import me.zhyd.oauth.model.AuthToken;
+import me.zhyd.oauth.model.AuthUser;
+import me.zhyd.oauth.utils.AuthScopeUtils;
+import me.zhyd.oauth.utils.HttpUtils;
+import me.zhyd.oauth.utils.PkceUtil;
+import me.zhyd.oauth.utils.UrlBuilder;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * Amazon登录
+ * Login with Amazon for Websites Overview： https://developer.amazon.com/zh/docs/login-with-amazon/register-web.html
+ * Login with Amazon SDK for JavaScript Reference Guide：https://developer.amazon.com/zh/docs/login-with-amazon/javascript-sdk-reference.html
+ *
+ * @author yadong.zhang (yadong.zhang0415(a)gmail.com)
+ * @since 1.16.0
+ */
+public class AuthAmazonRequest extends AuthDefaultRequest {
+
+    public AuthAmazonRequest(AuthConfig config) {
+        super(config, AuthDefaultSource.AMAZON);
+    }
+
+    public AuthAmazonRequest(AuthConfig config, AuthStateCache authStateCache) {
+        super(config, AuthDefaultSource.AMAZON, authStateCache);
+    }
+
+    /**
+     * https://developer.amazon.com/zh/docs/login-with-amazon/authorization-code-grant.html#authorization-request
+     *
+     * @param state state 验证授权流程的参数，可以防止csrf
+     * @return String
+     */
+    @Override
+    public String authorize(String state) {
+        UrlBuilder builder = UrlBuilder.fromBaseUrl(source.authorize())
+            .queryParam("client_id", config.getClientId())
+            .queryParam("scope", this.getScopes(" ", true, AuthScopeUtils.getDefaultScopes(AuthAmazonScope.values())))
+            .queryParam("redirect_uri", config.getRedirectUri())
+            .queryParam("response_type", "code")
+            .queryParam("state", getRealState(state));
+
+        if (config.isPkce()) {
+            String cacheKey = this.source.getName().concat(":code_verifier:").concat(config.getClientId());
+            String codeVerifier = PkceUtil.generateCodeVerifier();
+            String codeChallengeMethod = "S256";
+            String codeChallenge = PkceUtil.generateCodeChallenge(codeChallengeMethod, codeVerifier);
+            builder.queryParam("code_challenge", codeChallenge)
+                .queryParam("code_challenge_method", codeChallengeMethod);
+            // 缓存 codeVerifier 十分钟
+            this.authStateCache.cache(cacheKey, codeVerifier, TimeUnit.MINUTES.toMillis(10));
+        }
+
+        return builder.build();
+    }
+
+    /**
+     * https://developer.amazon.com/zh/docs/login-with-amazon/authorization-code-grant.html#access-token-request
+     *
+     * @return access token
+     */
+    @Override
+    protected AuthToken getAccessToken(AuthCallback authCallback) {
+        Map<String, String> form = new HashMap<>(8);
+        form.put("grant_type", "authorization_code");
+        form.put("code", authCallback.getCode());
+        form.put("redirect_uri", config.getRedirectUri());
+        form.put("client_id", config.getClientId());
+        form.put("client_secret", config.getClientSecret());
+
+        if (config.isPkce()) {
+            String cacheKey = this.source.getName().concat(":code_verifier:").concat(config.getClientId());
+            String codeVerifier = this.authStateCache.get(cacheKey);
+            form.put("code_verifier", codeVerifier);
+        }
+        return getToken(form, this.source.accessToken());
+    }
+
+    @Override
+    public AuthResponse refresh(AuthToken authToken) {
+        Map<String, String> form = new HashMap<>(6);
+        form.put("grant_type", "refresh_token");
+        form.put("refresh_token", authToken.getRefreshToken());
+        form.put("client_id", config.getClientId());
+        form.put("client_secret", config.getClientSecret());
+        return AuthResponse.builder()
+            .code(AuthResponseStatus.SUCCESS.getCode())
+            .data(getToken(form, this.source.refresh()))
+            .build();
+
+    }
+
+    private AuthToken getToken(Map<String, String> param, String url) {
+        HttpHeader httpHeader = new HttpHeader();
+        httpHeader.add("Host", "api.amazon.com");
+        httpHeader.add(Constants.CONTENT_TYPE, "application/x-www-form-urlencoded;charset=UTF-8");
+        String response = new HttpUtils(config.getHttpConfig()).post(url, param, httpHeader, false);
+        JSONObject jsonObject = JSONObject.parseObject(response);
+        this.checkResponse(jsonObject);
+        return AuthToken.builder()
+            .accessToken(jsonObject.getString("access_token"))
+            .tokenType(jsonObject.getString("token_type"))
+            .expireIn(jsonObject.getIntValue("expires_in"))
+            .refreshToken(jsonObject.getString("refresh_token"))
+            .build();
+    }
+
+    /**
+     * 校验响应内容是否正确
+     *
+     * @param jsonObject 响应内容
+     */
+    private void checkResponse(JSONObject jsonObject) {
+        if (jsonObject.containsKey("error")) {
+            throw new AuthException(jsonObject.getString("error_description").concat(" ") + jsonObject.getString("error_description"));
+        }
+    }
+
+    /**
+     * https://developer.amazon.com/zh/docs/login-with-amazon/obtain-customer-profile.html#call-profile-endpoint
+     *
+     * @param authToken token信息
+     * @return AuthUser
+     */
+    @Override
+    protected AuthUser getUserInfo(AuthToken authToken) {
+        String accessToken = authToken.getAccessToken();
+        this.checkToken(accessToken);
+
+        HttpHeader httpHeader = new HttpHeader();
+        httpHeader.add("Host", "api.amazon.com");
+        httpHeader.add("Authorization", "bearer " + accessToken);
+        String userInfo = new HttpUtils(config.getHttpConfig()).get(this.source.userInfo(), new HashMap<>(0), httpHeader, false);
+        JSONObject jsonObject = JSONObject.parseObject(userInfo);
+        this.checkResponse(jsonObject);
+
+        return AuthUser.builder()
+            .rawUserInfo(jsonObject)
+            .uuid(jsonObject.getString("user_id"))
+            .username(jsonObject.getString("name"))
+            .nickname(jsonObject.getString("name"))
+            .email(jsonObject.getString("email"))
+            .gender(AuthUserGender.UNKNOWN)
+            .source(source.toString())
+            .token(authToken)
+            .build();
+    }
+
+    private void checkToken(String accessToken) {
+        String tokenInfo = new HttpUtils(config.getHttpConfig()).get("https://api.amazon.com/auth/o2/tokeninfo?access_token=" + UrlUtil.urlEncode(accessToken));
+        JSONObject jsonObject = JSONObject.parseObject(tokenInfo);
+        if (!config.getClientId().equals(jsonObject.getString("aud"))) {
+            throw new AuthException(AuthResponseStatus.ILLEGAL_TOKEN);
+        }
+    }
+
+    @Override
+    protected String userInfoUrl(AuthToken authToken) {
+        return UrlBuilder.fromBaseUrl(source.userInfo())
+            .queryParam("user_id", authToken.getUserId())
+            .queryParam("screen_name", authToken.getScreenName())
+            .queryParam("include_entities", true)
+            .build();
+    }
+}

src/main/java/me/zhyd/oauth/utils/PkceUtil.java

@@ -0,0 +1,39 @@
+package me.zhyd.oauth.utils;
+
+import java.nio.charset.StandardCharsets;
+
+/**
+ * 该配置仅用于支持 PKCE 模式的平台，针对无服务应用，不推荐使用隐式授权，推荐使用 PKCE 模式
+ *
+ * @author yadong.zhang (yadong.zhang0415(a)gmail.com)
+ * @version 1.0.0
+ * @since 1.0.0
+ */
+public class PkceUtil {
+
+    public static String generateCodeVerifier() {
+        String randomStr = RandomUtil.randomString(50);
+        return Base64Utils.encodeUrlSafe(randomStr);
+    }
+
+    /**
+     * 适用于 OAuth 2.0 PKCE 增强协议
+     *
+     * @param codeChallengeMethod s256 / plain
+     * @param codeVerifier        客户端生产的校验码
+     * @return code challenge
+     */
+    public static String generateCodeChallenge(String codeChallengeMethod, String codeVerifier) {
+        if ("S256".equalsIgnoreCase(codeChallengeMethod)) {
+            // https://tools.ietf.org/html/rfc7636#section-4.2
+            // code_challenge = BASE64URL-ENCODE(SHA256(ASCII(code_verifier)))
+            return newStringUsAscii(Base64Utils.encodeUrlSafe(Sha256.digest(codeVerifier), true));
+        } else {
+            return codeVerifier;
+        }
+    }
+
+    public static String newStringUsAscii(byte[] bytes) {
+        return new String(bytes, StandardCharsets.US_ASCII);
+    }
+}

src/main/java/me/zhyd/oauth/utils/RandomUtil.java

@@ -0,0 +1,38 @@
+package me.zhyd.oauth.utils;
+
+import java.util.concurrent.ThreadLocalRandom;
+
+/**
+ * 生成随机字符串
+ *
+ * @author yadong.zhang (yadong.zhang0415(a)gmail.com)
+ * @version 1.0.0
+ * @since 1.16.0
+ */
+public class RandomUtil {
+
+    /**
+     * 用于随机选的字符和数字
+     */
+    public static final String BASE_CHAR_NUMBER = "abcdefghijklmnopqrstuvwxyz0123456789";
+
+    /**
+     * 获得一个随机的字符串
+     *
+     * @param length 字符串的长度
+     * @return 指定长度的随机字符串
+     */
+    public static String randomString(int length) {
+        final StringBuilder sb = new StringBuilder(length);
+
+        if (length < 1) {
+            length = 1;
+        }
+        int baseLength = BASE_CHAR_NUMBER.length();
+        for (int i = 0; i < length; i++) {
+            int number = ThreadLocalRandom.current().nextInt(baseLength);
+            sb.append(BASE_CHAR_NUMBER.charAt(number));
+        }
+        return sb.toString();
+    }
+}

src/main/java/me/zhyd/oauth/utils/Sha256.java

@@ -0,0 +1,27 @@
+package me.zhyd.oauth.utils;
+
+import java.nio.charset.StandardCharsets;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+
+/**
+ * SHA256 加密
+ *
+ * @author yadong.zhang (yadong.zhang0415(a)gmail.com)
+ * @version 1.0.0
+ * @since 1.16.0
+ */
+public class Sha256 {
+
+    public static byte[] digest(String str) {
+        MessageDigest messageDigest;
+        try {
+            messageDigest = MessageDigest.getInstance("SHA-256");
+            messageDigest.update(str.getBytes(StandardCharsets.UTF_8));
+            return messageDigest.digest();
+        } catch (NoSuchAlgorithmException e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+}