完成基本功能

2025-09-16 15:06:50 +08:00 · 2025-04-06 11:44:01 +08:00
parent f4798f24da
commit 5267a607ae
1 changed files with 135 additions and 0 deletions
--- a/LanzouAPI.java
+++ b/LanzouAPI.java
@@ -0,0 +1,135 @@
+import okhttp3.*;
+import org.json.JSONObject;
+import java.io.IOException;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.URLDecoder;
+import java.nio.charset.StandardCharsets;
+import java.security.SecureRandom;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class LanzouAPI {
+
+    private static String generateRandomString(int length) {
+        String chars = "abcdefghijklmnopqrstuvwxyz0123456789";
+        SecureRandom random = new SecureRandom();
+        StringBuilder sb = new StringBuilder(length);
+        for (int i = 0; i < length; i++) {
+            int index = random.nextInt(chars.length());
+            sb.append(chars.charAt(index));
+        }
+        return sb.toString();
+    }
+
+    public static String fuckLanzou(String src) throws URISyntaxException, IOException {
+        URI parsedUri = new URI(src);
+        String baseUrl = parsedUri.getHost();
+        String filePath = parsedUri.getPath().replaceAll("^/|/$", "");
+
+        Map<String, String> queryParams = new HashMap<>();
+        String query = parsedUri.getQuery();
+        if (query != null) {
+            String[] pairs = query.split("&");
+            for (String pair : pairs) {
+                int idx = pair.indexOf("=");
+                if (idx > 0) {
+                    String key = URLDecoder.decode(pair.substring(0, idx), StandardCharsets.UTF_8.name());
+                    String value = (idx < pair.length() - 1) ?
+                            URLDecoder.decode(pair.substring(idx + 1), StandardCharsets.UTF_8.name()) : "";
+                    queryParams.put(key, value);
+                }
+            }
+        }
+        String filePass = queryParams.get("pwd");
+
+        OkHttpClient client = new OkHttpClient();
+        Request firstGetRequest = new Request.Builder()
+                .url("https://" + baseUrl + "/" + filePath)
+                .build();
+
+        Response firstResponse = client.newCall(firstGetRequest).execute();
+        String html = firstResponse.body().string();
+
+        String file = null;
+        Pattern filePattern = Pattern.compile("file=(\\d+)");
+        Matcher fileMatcher = filePattern.matcher(html);
+        if (fileMatcher.find()) {
+            file = fileMatcher.group(1);
+        }
+
+        List<String> signMatches = new ArrayList<>();
+        Pattern signPattern = Pattern.compile("'sign':'(.+?)'");
+        Matcher signMatcher = signPattern.matcher(html);
+        while (signMatcher.find()) {
+            signMatches.add(signMatcher.group(1));
+        }
+        String sign = signMatches.size() >= 2 ? signMatches.get(1) : null;
+
+        String randomStr = generateRandomString(16);
+        String boundary = "------------------------" + randomStr;
+        String postUrl = "https://www.lanzoux.com/ajaxm.php?file=" + file;
+        StringBuilder bodyBuilder = new StringBuilder();
+        bodyBuilder.append("--------------------------").append(randomStr).append("\n")
+                .append("Content-Disposition: form-data; name=\"action\"\n\n")
+                .append("downprocess\n")
+                .append("--------------------------").append(randomStr).append("\n")
+                .append("Content-Disposition: form-data; name=\"sign\"\n\n")
+                .append(sign).append("\n")
+                .append("--------------------------").append(randomStr).append("\n")
+                .append("Content-Disposition: form-data; name=\"p\"\n\n")
+                .append(filePass != null ? filePass : "").append("\n")
+                .append("--------------------------").append(randomStr).append("\n")
+                .append("Content-Disposition: form-data; name=\"kd\"\n\n")
+                .append("1\n")
+                .append("--------------------------").append(randomStr).append("--");
+
+        RequestBody postBody = RequestBody.create(
+                bodyBuilder.toString(),
+                MediaType.parse("multipart/form-data; boundary=" + boundary)
+        );
+
+        Headers headers = new Headers.Builder()
+                .add("Referer", "https://www.lanzoup.com/" + filePath)
+                .add("Content-Type", "multipart/form-data; boundary=" + boundary)
+                .build();
+
+        Request postRequest = new Request.Builder()
+                .url(postUrl)
+                .post(postBody)
+                .headers(headers)
+                .build();
+
+        Response postResponse = client.newCall(postRequest).execute();
+        String postResponseBody = postResponse.body().string();
+        JSONObject jsonResponse = new JSONObject(postResponseBody);
+        String url = jsonResponse.getString("url");
+
+        OkHttpClient noRedirectClient = new OkHttpClient.Builder()
+                .followRedirects(false)
+                .build();
+
+        Request finalGetRequest = new Request.Builder()
+                .url("https://developer-oss.lanrar.com/file/" + url)
+                .addHeader("Referer", "https://developer.lanzoug.com")
+                .addHeader("Accept-Language", "zh-CN,zh;q=0.9")
+                .build();
+
+        Response finalResponse = noRedirectClient.newCall(finalGetRequest).execute();
+        return finalResponse.header("Location");
+    }
+
+    public static void main(String[] args) {
+        String src = "https://wwu.lanzoue.com/xxxxxxxxxx?pwd=xxxx";
+        try {
+            String link = fuckLanzou(src);
+            System.out.println(link);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+}