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Merge pull request #4 from appujet/beta-v1
Beta v1
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1 +1 @@ | ||
| version=0.1.9 | ||
| version=1.0.0 |
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142 changes: 129 additions & 13 deletions
142
main/src/main/java/com/github/appujet/jiosaavn/Utils.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,22 +1,138 @@ | ||
| package com.github.appujet.jiosaavn; | ||
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| import com.sedmelluq.discord.lavaplayer.tools.JsonBrowser; | ||
| import org.apache.commons.io.IOUtils; | ||
| import org.apache.http.client.methods.CloseableHttpResponse; | ||
| import org.apache.http.client.methods.HttpGet; | ||
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| import java.io.IOException; | ||
| import javax.crypto.Cipher; | ||
| import javax.crypto.spec.SecretKeySpec; | ||
| import java.net.URLEncoder; | ||
| import java.nio.charset.StandardCharsets; | ||
| import java.security.Key; | ||
| import java.util.Base64; | ||
| import java.util.regex.Matcher; | ||
| import java.util.regex.Pattern; | ||
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| public class Utils { | ||
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| public static JsonBrowser fetchJson(String pageURl, ExtendedAudioSourceManager sourceManager) { | ||
| final HttpGet httpGet = new HttpGet(pageURl); | ||
| try (final CloseableHttpResponse response = sourceManager.getHttpInterface().execute(httpGet)) { | ||
| final String content = IOUtils.toString(response.getEntity().getContent(), StandardCharsets.UTF_8); | ||
| return JsonBrowser.parse(content); | ||
| } catch (IOException e) { | ||
| throw new RuntimeException(e); | ||
| private static final String KEY = "38346591"; | ||
| private static final String ALGORITHM = "DES/ECB/NoPadding"; | ||
| private static final String[] QUALITIES = { "_320", "_160", "_96", "_48", "_12" }; | ||
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| // Regular expressions for extracting tokens | ||
| private static final Pattern SONG_PATTERN = Pattern.compile("jiosaavn\\.com/song/[^/]+/([^/]+)$"); | ||
| private static final Pattern ARTIST_PATTERN = Pattern.compile("jiosaavn\\.com/artist/[^/]+/([^/]+)$"); | ||
| private static final Pattern ALBUM_PATTERN = Pattern.compile("jiosaavn\\.com/album/[^/]+/([^/]+)$"); | ||
| private static final Pattern PLAYLIST_PATTERN = Pattern.compile("jiosaavn\\.com/(?:featured|s/playlist)/[^/]+/([^/]+)$"); | ||
|
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| /** | ||
| * Extracts a song token from a JioSaavn song URL. | ||
| * | ||
| * @param url The song URL. | ||
| * @return The song token or null if not found. | ||
| */ | ||
| public static String extractSongToken(String url) { | ||
| return extractToken(url, SONG_PATTERN); | ||
| } | ||
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| /** | ||
| * Extracts an artist token from a JioSaavn artist URL. | ||
| * | ||
| * @param url The artist URL. | ||
| * @return The artist token or null if not found. | ||
| */ | ||
| public static String extractArtistToken(String url) { | ||
| return extractToken(url, ARTIST_PATTERN); | ||
| } | ||
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| /** | ||
| * Extracts an album token from a JioSaavn album URL. | ||
| * | ||
| * @param url The album URL. | ||
| * @return The album token or null if not found. | ||
| */ | ||
| public static String extractAlbumToken(String url) { | ||
| return extractToken(url, ALBUM_PATTERN); | ||
| } | ||
|
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| /** | ||
| * Extracts a playlist token from a JioSaavn playlist URL. | ||
| * | ||
| * @param url The playlist URL. | ||
| * @return The playlist token or null if not found. | ||
| */ | ||
| public static String extractPlaylistToken(String url) { | ||
| return extractToken(url, PLAYLIST_PATTERN); | ||
| } | ||
|
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| /** | ||
| * Extracts a token using the provided pattern. | ||
| * | ||
| * @param url The URL to extract the token from. | ||
| * @param pattern The regex pattern to match the token. | ||
| * @return The token if found, or null if not. | ||
| */ | ||
| private static String extractToken(String url, Pattern pattern) { | ||
| if (url == null || url.isEmpty()) { | ||
| return null; | ||
| } | ||
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| Matcher matcher = pattern.matcher(url); | ||
| if (matcher.find()) { | ||
| return matcher.group(1); // Return the first captured group | ||
| } | ||
| return null; | ||
| } | ||
|
|
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| /** | ||
| * Encodes a string using URL encoding and replaces certain characters. | ||
| * @param input The string to encode. | ||
| * @return The encoded string. | ||
| */ | ||
| public static String encodeURIComponent(String input) { | ||
| String encoded = URLEncoder.encode(input, StandardCharsets.UTF_8); | ||
| encoded = encoded.replace("+", "%20"); | ||
| encoded = encoded.replace("'", "%27"); | ||
| encoded = encoded.replace("%", "%25"); | ||
| encoded = encoded.replace("#", "%23"); | ||
| encoded = encoded.replace("&", "%26"); | ||
| encoded = encoded.replace("=", "%3D"); | ||
| encoded = encoded.replace("?", "%3F"); | ||
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| return encoded; | ||
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| } | ||
|
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| /** | ||
| * Generates a download link by decrypting the encrypted media URL. | ||
| * | ||
| * @param encryptedMediaUrl The encrypted media URL. | ||
| * @return The download link or null if not valid. | ||
| */ | ||
| public static String getDownloadLink(String encryptedMediaUrl) { | ||
| if (encryptedMediaUrl == null || encryptedMediaUrl.isEmpty()) | ||
| return null; | ||
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| try { | ||
| byte[] encryptedBytes = Base64.getDecoder().decode(encryptedMediaUrl); | ||
| Key key = new SecretKeySpec(KEY.getBytes(), "DES"); | ||
| Cipher cipher = Cipher.getInstance(ALGORITHM); | ||
| cipher.init(Cipher.DECRYPT_MODE, key); | ||
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| byte[] decryptedBytes = cipher.doFinal(encryptedBytes); | ||
| String decryptedLink = new String(decryptedBytes).trim(); | ||
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| for (String quality : QUALITIES) { | ||
| String downloadUrl = decryptedLink.replace("_96", quality); | ||
| if (isValidUrl(downloadUrl)) { | ||
| return downloadUrl; | ||
| } | ||
| } | ||
| } catch (Exception e) { | ||
| e.printStackTrace(); | ||
| } | ||
| return null; | ||
| } | ||
|
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| // Helper method to check if a URL is valid | ||
| private static boolean isValidUrl(String url) { | ||
| return url.startsWith("https://aac.saavncdn.com/") && url.endsWith(".mp4"); | ||
| } | ||
| } | ||
| } |
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