dev add method link

src/main/java/ru/soune/nocopy/service/file/impl/FileUploadServiceImpl.java

@@ -36,6 +36,8 @@ import ru.soune.nocopy.util.FileUtil;
 
 import java.io.*;
 import java.net.HttpURLConnection;
+import java.net.MalformedURLException;
+import java.net.SocketTimeoutException;
 import java.net.URL;
 import java.nio.file.*;
 import java.nio.file.attribute.PosixFilePermission;
@@ -598,7 +600,165 @@ public class FileUploadServiceImpl implements FileUploadService {
         }
     }
 
+//    public Path downloadImageFromUrl(String urlString) throws IOException {
+//        String[] urlVariants = buildUrlVariants(urlString);
+//
+//        IOException lastException = null;
+//
+//        for (String variantUrl : urlVariants) {
+//            try {
+//                Path result = attemptDownload(variantUrl);
+//                if (result != null) {
+//                    log.info("Success download: {} -> {}", urlString, variantUrl);
+//                    return result;
+//                }
+//            } catch (IOException e) {
+//                lastException = e;
+//                log.warn("Failed download {}: {}", variantUrl, e.getMessage());
+//            }
+//        }
+//
+//        throw new IOException("Failed to download from all variants: " + urlString, lastException);
+//    }
+//
+//    private String[] buildUrlVariants(String originalUrl) {
+//        List<String> variants = new ArrayList<>();
+//
+//        variants.add(originalUrl);
+//
+//        if (originalUrl.contains("i.ytimg.com") || originalUrl.contains("youtube.com")) {
+//            try {
+//                URL url = new URL(originalUrl);
+//                String path = url.getPath();
+//
+//                if ("https".equals(url.getProtocol())) {
+//                    variants.add("http://i.ytimg.com" + path);
+//                }
+//
+//                String[][] alternativeHosts = {
+//                        {"i.ytimg.com", "i3.ytimg.com"},
+//                        {"i.ytimg.com", "img.youtube.com"},
+//                        {"i.ytimg.com", "yt3.ggpht.com"}
+//                };
+//
+//                for (String[] hosts : alternativeHosts) {
+//                    if (originalUrl.contains(hosts[0])) {
+//                        variants.add(originalUrl.replace(hosts[0], hosts[1]));
+//                        variants.add("http://" + hosts[1] + path);
+//                    }
+//                }
+//
+//            } catch (MalformedURLException e) {
+//                log.warn("Not valid URL: {}", originalUrl);
+//            }
+//        }
+//
+//        return variants.toArray(new String[0]);
+//    }
+//
+//    private Path attemptDownload(String urlString) throws IOException {
+//        int maxRetries = 2;
+//        int connectTimeout = 10000;
+//        int readTimeout = 10000;
+//
+//        IOException lastException = null;
+//
+//        for (int attempt = 0; attempt < maxRetries; attempt++) {
+//            Path tempFile = null;
+//            HttpURLConnection connection = null;
+//
+//            try {
+//                URL url = new URL(urlString);
+//
+//                String extension = getFileExtension(url.getPath());
+//
+//                tempFile = Files.createTempFile("upload_check_", extension);
+//
+//                connection = (HttpURLConnection) url.openConnection();
+//                connection.setRequestProperty("User-Agent",
+//                        "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36");
+//                connection.setConnectTimeout(connectTimeout);
+//                connection.setReadTimeout(readTimeout);
+//                connection.setInstanceFollowRedirects(true);
+//
+//                int responseCode = connection.getResponseCode();
+//                log.debug("{} -> Response code: {} (попытка {})", urlString, responseCode, attempt + 1);
+//
+//                if (responseCode != 200) {
+//                    throw new IOException("Bad response code: " + responseCode);
+//                }
+//
+//                try (InputStream in = connection.getInputStream()) {
+//                    Files.copy(in, tempFile, StandardCopyOption.REPLACE_EXISTING);
+//                }
+//
+//                long size = Files.size(tempFile);
+//                log.debug("Downloaded: {} -> size: {} byte", urlString, size);
+//
+//                if (size == 0) {
+//                    throw new IOException("Downloaded empty file");
+//                }
+//
+//                return tempFile;
+//
+//            } catch (SocketTimeoutException e) {
+//                lastException = e;
+//                log.warn("Timeout {} (try {}/{})", urlString, attempt + 1, maxRetries);
+//
+//                connectTimeout *= 2;
+//                readTimeout *= 2;
+//
+//                if (attempt < maxRetries - 1) {
+//                    try {
+//                        Thread.sleep(1000 * (attempt + 1));
+//                    } catch (InterruptedException ie) {
+//                        Thread.currentThread().interrupt();
+//                        break;
+//                    }
+//                }
+//
+//            } catch (IOException e) {
+//                lastException = e;
+//                if (!(e instanceof SocketTimeoutException)) {
+//                    break;
+//                }
+//
+//            } finally {
+//                if (connection != null) {
+//                    connection.disconnect();
+//                }
+//            }
+//
+//            if (tempFile != null && Files.exists(tempFile)) {
+//                try {
+//                    Files.deleteIfExists(tempFile);
+//                } catch (IOException e) {
+//                    log.warn("Temp file not found: {}", tempFile);
+//                }
+//            }
+//        }
+//
+//        throw new IOException("Not download " + maxRetries + " tries: " + urlString, lastException);
+//    }
+//
+//    private String getFileExtension(String path) {
+//        String extension = ".tmp";
+//        int lastDot = path.lastIndexOf('.');
+//        if (lastDot > 0) {
+//            String ext = path.substring(lastDot).toLowerCase();
+//            if (ext.matches("\\.(jpg|jpeg|png|gif|bmp|webp)")) {
+//                extension = ext;
+//            }
+//        }
+//        return extension;
+//    }
+
     public Path downloadImageFromUrl(String urlString) throws IOException {
+        if (urlString.startsWith("https://i.ytimg.com")) {
+            urlString = urlString.replace("https://", "http://");
+            log.info("Change blocked domen: {}", urlString);
+        }
+
         URL url = new URL(urlString);
 
         String extension = ".tmp";