fix: support 123pan redirected share links

parser/src/main/java/cn/qaiu/parser/PanDomainTemplate.java

@@ -208,7 +208,7 @@ public enum PanDomainTemplate {
         123795.com
      */
     YE("123网盘",
-            compile("https://www\\.(" +
+            compile("https://(?:[a-zA-Z\\d-]+\\.)*(" +
                     "123254\\.com|" +
                     "123957\\.com|" +
                     "123295\\.com|" +
@@ -232,7 +232,7 @@ public enum PanDomainTemplate {
                     "123635\\.com|" +
                     "123242\\.com|" +
                     "123795\\.com"  +
-                    ")/s/(?<KEY>[a-zA-Z0-9_-]+)(?:\\.html)?"),
+                    ")/(?:(?:s|123pan)/|(?:[^/?#]+/)+)?(?<KEY>[a-zA-Z0-9]+-[a-zA-Z0-9]+|[a-zA-Z0-9_-]+)(?:\\.html)?(?:\\?.*)?"),
             "https://www.123pan.com/s/{shareKey}",
             Ye2Tool.class),
     // https://www.ecpan.cn/web/#/yunpanProxy?path=%2F%23%2Fdrive%2Foutside&data={code}&isShare=1

parser/src/main/java/cn/qaiu/parser/TokenCache.java

@@ -0,0 +1,53 @@
+package cn.qaiu.parser;
+
+import org.apache.commons.lang3.StringUtils;
+
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+/**
+ * Parser token cache keyed by parser type and account identity.
+ */
+public final class TokenCache {
+
+    private static final Map<String, String> TOKENS = new ConcurrentHashMap<>();
+    private static final Map<String, Long> EXPIRES = new ConcurrentHashMap<>();
+
+    private TokenCache() {
+    }
+
+    public static String key(String type, String accountId) {
+        return type + ":" + (StringUtils.isBlank(accountId) ? "_default" : accountId);
+    }
+
+    public static void putToken(String key, String token) {
+        if (StringUtils.isBlank(key) || StringUtils.isBlank(token)) {
+            return;
+        }
+        TOKENS.put(key, token);
+    }
+
+    public static String getToken(String key) {
+        if (StringUtils.isBlank(key)) {
+            return null;
+        }
+        if (isExpired(key)) {
+            TOKENS.remove(key);
+            EXPIRES.remove(key);
+            return null;
+        }
+        return TOKENS.get(key);
+    }
+
+    public static void putExpire(String key, long expireTimeMillis) {
+        if (StringUtils.isBlank(key)) {
+            return;
+        }
+        EXPIRES.put(key, expireTimeMillis);
+    }
+
+    public static boolean isExpired(String key) {
+        Long expireTimeMillis = EXPIRES.get(key);
+        return expireTimeMillis != null && System.currentTimeMillis() > expireTimeMillis;
+    }
+}

parser/src/main/java/cn/qaiu/util/YeShareHostUtil.java

@@ -0,0 +1,84 @@
+package cn.qaiu.util;
+
+import org.apache.commons.lang3.StringUtils;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * 123分享链接子域工具：将分享 key 的前半段解码为数字 uid。
+ */
+public final class YeShareHostUtil {
+
+    private static final String CODE62 = "Tvd3hHA9QEkom14xpfaBJIMwgFYGPXn2sWCNORDr80KuUSl7bZcetizL5q6yVj";
+    private static final long MAX_SAFE_INTEGER = 9007199254740991L;
+    private static final Map<Character, Integer> DECODE_MAP = new HashMap<>();
+
+    static {
+        for (int i = 0; i < CODE62.length(); i++) {
+            DECODE_MAP.put(CODE62.charAt(i), i);
+        }
+    }
+
+    private YeShareHostUtil() {
+    }
+
+    public static String getNumericSubdomainIdByShareKey(String shareKey) {
+        String normalized = normalizeShareKey(shareKey);
+        if (StringUtils.isBlank(normalized)) {
+            return "";
+        }
+        int split = normalized.indexOf('-');
+        if (split <= 0) {
+            return "";
+        }
+        String encodedUid = normalized.substring(0, split);
+        Long uid = decodeBase62LittleEndian(encodedUid);
+        return uid == null ? "" : String.valueOf(uid);
+    }
+
+    public static String normalizeShareKey(String shareKey) {
+        if (StringUtils.isBlank(shareKey)) {
+            return "";
+        }
+        String key = shareKey.trim();
+        int queryIndex = key.indexOf('?');
+        if (queryIndex >= 0) {
+            key = key.substring(0, queryIndex);
+        }
+        int slashIndex = key.lastIndexOf('/');
+        if (slashIndex >= 0 && slashIndex < key.length() - 1) {
+            key = key.substring(slashIndex + 1);
+        }
+        if (key.endsWith(".html")) {
+            key = key.substring(0, key.length() - 5);
+        }
+        return key;
+    }
+
+    private static Long decodeBase62LittleEndian(String value) {
+        if (StringUtils.isBlank(value)) {
+            return null;
+        }
+        long result = 0L;
+        for (int i = 0; i < value.length(); i++) {
+            Integer digit = DECODE_MAP.get(value.charAt(i));
+            if (digit == null) {
+                return null;
+            }
+            double weighted = digit * Math.pow(62, i);
+            if (!Double.isFinite(weighted)) {
+                return null;
+            }
+            long next = result + (long) weighted;
+            if (next <= 0 || next > MAX_SAFE_INTEGER) {
+                return null;
+            }
+            result = next;
+        }
+        if (result <= 0) {
+            return null;
+        }
+        return result;
+    }
+}

parser/src/test/java/cn/qaiu/parser/PanDomainTemplateTest.java

@@ -1,6 +1,7 @@
 package cn.qaiu.parser;
 
 import cn.qaiu.entity.ShareLinkInfo;
+import cn.qaiu.util.YeShareHostUtil;
 import org.junit.Test;
 
 import java.util.Arrays;
@@ -157,6 +158,26 @@ public class PanDomainTemplateTest {
         assertEquals("somekey", m5.group("KEY"));
     }
 
+        @Test
+        public void testYeRedirectPatternAndUidDecode() {
+                Pattern yePattern = PanDomainTemplate.YE.getPattern();
+
+                Matcher oldUrl = yePattern.matcher("https://www.123pan.com/s/lN7UVv-pbYJ");
+                assertTrue("YE should match old 123pan share URL", oldUrl.find());
+                assertEquals("lN7UVv-pbYJ", oldUrl.group("KEY"));
+
+                Matcher redirectedUrl = yePattern.matcher("https://1813382308.mshare.123pan.cn/123pan/lN7UVv-pbYJ");
+                assertTrue("YE should match redirected mshare URL", redirectedUrl.find());
+                assertEquals("lN7UVv-pbYJ", redirectedUrl.group("KEY"));
+
+                Matcher htmlUrl = yePattern.matcher("https://www.123278.com/s/lN7UVv-pbYJ.html?pwd=abcd");
+                assertTrue("YE should match html URL with query", htmlUrl.find());
+                assertEquals("lN7UVv-pbYJ", htmlUrl.group("KEY"));
+
+                assertEquals("1813382308", YeShareHostUtil.getNumericSubdomainIdByShareKey("lN7UVv-pbYJ"));
+                assertEquals("lN7UVv-pbYJ", YeShareHostUtil.normalizeShareKey("https://1813382308.mshare.123pan.cn/123pan/lN7UVv-pbYJ?pwd=abcd"));
+        }
+
     @Test
     public void testLePatternFix() {
         Pattern lePattern = PanDomainTemplate.LE.getPattern();