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| 1 | +package top.fpsmaster.modules.client.api; |
| 2 | + |
| 3 | +import com.google.gson.Gson; |
| 4 | +import com.google.gson.GsonBuilder; |
| 5 | +import com.google.gson.JsonObject; |
| 6 | +import top.fpsmaster.modules.logger.ClientLogger; |
| 7 | + |
| 8 | +import java.io.BufferedReader; |
| 9 | +import java.io.BufferedWriter; |
| 10 | +import java.io.File; |
| 11 | +import java.io.IOException; |
| 12 | +import java.nio.file.DirectoryStream; |
| 13 | +import java.nio.file.Files; |
| 14 | +import java.nio.file.Path; |
| 15 | +import java.nio.file.Paths; |
| 16 | + |
| 17 | +/** |
| 18 | + * Service for managing authentication tokens at system user level. |
| 19 | + * Tokens are stored in AppData/Roaming/FPSMaster/auth.json |
| 20 | + * Launcher can pass tokens via system properties: fpsmaster.auth.token |
| 21 | + */ |
| 22 | +public class AuthService { |
| 23 | + private static final String AUTH_FILE_NAME = "auth.json"; |
| 24 | + private static final String SYSTEM_PROPERTY_TOKEN = "fpsmaster.auth.token"; |
| 25 | + private static final String SYSTEM_PROPERTY_REFRESH = "fpsmaster.auth.refreshToken"; |
| 26 | + private static final String SYSTEM_PROPERTY_EXPIRES = "fpsmaster.auth.tokenExpiresAt"; |
| 27 | + |
| 28 | + private static AuthService instance; |
| 29 | + private final Gson gson; |
| 30 | + private final File authFile; |
| 31 | + |
| 32 | + private String accessToken; |
| 33 | + private String refreshToken; |
| 34 | + private long tokenExpiresAt; |
| 35 | + |
| 36 | + private AuthService() { |
| 37 | + this.gson = new GsonBuilder().setPrettyPrinting().create(); |
| 38 | + this.authFile = resolveAuthFile(); |
| 39 | + loadFromFile(); |
| 40 | + } |
| 41 | + |
| 42 | + private File resolveAuthFile() { |
| 43 | + String appData = System.getenv("APPDATA"); |
| 44 | + if (appData != null && !appData.isEmpty()) { |
| 45 | + File fpsmasterDir = new File(appData, "FPSMaster"); |
| 46 | + if (!fpsmasterDir.exists()) { |
| 47 | + fpsmasterDir.mkdirs(); |
| 48 | + } |
| 49 | + return new File(fpsmasterDir, AUTH_FILE_NAME); |
| 50 | + } |
| 51 | + // Fallback to user home |
| 52 | + String userHome = System.getProperty("user.home"); |
| 53 | + File fpsmasterDir = new File(userHome, ".fpsmaster"); |
| 54 | + if (!fpsmasterDir.exists()) { |
| 55 | + fpsmasterDir.mkdirs(); |
| 56 | + } |
| 57 | + return new File(fpsmasterDir, AUTH_FILE_NAME); |
| 58 | + } |
| 59 | + |
| 60 | + public static AuthService getInstance() { |
| 61 | + if (instance == null) { |
| 62 | + instance = new AuthService(); |
| 63 | + } |
| 64 | + return instance; |
| 65 | + } |
| 66 | + |
| 67 | + /** |
| 68 | + * Initialize the service and check for launcher-provided tokens |
| 69 | + */ |
| 70 | + public void initialize() { |
| 71 | + // Check if launcher provided tokens via system properties |
| 72 | + String launcherToken = System.getProperty(SYSTEM_PROPERTY_TOKEN); |
| 73 | + if (launcherToken != null && !launcherToken.isEmpty()) { |
| 74 | + ClientLogger.info("Found auth token from launcher"); |
| 75 | + this.accessToken = launcherToken; |
| 76 | + this.refreshToken = System.getProperty(SYSTEM_PROPERTY_REFRESH); |
| 77 | + String expiresStr = System.getProperty(SYSTEM_PROPERTY_EXPIRES); |
| 78 | + if (expiresStr != null && !expiresStr.isEmpty()) { |
| 79 | + try { |
| 80 | + this.tokenExpiresAt = Long.parseLong(expiresStr); |
| 81 | + } catch (NumberFormatException e) { |
| 82 | + this.tokenExpiresAt = System.currentTimeMillis() + (7L * 24 * 60 * 60 * 1000); |
| 83 | + } |
| 84 | + } else { |
| 85 | + this.tokenExpiresAt = System.currentTimeMillis() + (7L * 24 * 60 * 60 * 1000); |
| 86 | + } |
| 87 | + saveToFile(); |
| 88 | + } else { |
| 89 | + loadFromFile(); |
| 90 | + } |
| 91 | + } |
| 92 | + |
| 93 | + public boolean isLoggedIn() { |
| 94 | + return accessToken != null && !accessToken.isEmpty() && !isTokenExpired(); |
| 95 | + } |
| 96 | + |
| 97 | + public boolean isTokenExpired() { |
| 98 | + return tokenExpiresAt > 0 && System.currentTimeMillis() >= tokenExpiresAt; |
| 99 | + } |
| 100 | + |
| 101 | + public String getAccessToken() { |
| 102 | + return accessToken; |
| 103 | + } |
| 104 | + |
| 105 | + public String getRefreshToken() { |
| 106 | + return refreshToken; |
| 107 | + } |
| 108 | + |
| 109 | + public long getTokenExpiresAt() { |
| 110 | + return tokenExpiresAt; |
| 111 | + } |
| 112 | + |
| 113 | + /** |
| 114 | + * Save tokens (called after successful login) |
| 115 | + */ |
| 116 | + public void saveTokens(String access, String refresh, long expiresAt) { |
| 117 | + this.accessToken = access; |
| 118 | + this.refreshToken = refresh; |
| 119 | + this.tokenExpiresAt = expiresAt; |
| 120 | + saveToFile(); |
| 121 | + } |
| 122 | + |
| 123 | + /** |
| 124 | + * Save tokens with default expiration (7 days) |
| 125 | + */ |
| 126 | + public void saveTokens(String access, String refresh) { |
| 127 | + saveTokens(access, refresh, System.currentTimeMillis() + (7L * 24 * 60 * 60 * 1000)); |
| 128 | + } |
| 129 | + |
| 130 | + /** |
| 131 | + * Clear all tokens (called after logout) |
| 132 | + */ |
| 133 | + public void clearTokens() { |
| 134 | + this.accessToken = null; |
| 135 | + this.refreshToken = null; |
| 136 | + this.tokenExpiresAt = 0; |
| 137 | + saveToFile(); |
| 138 | + } |
| 139 | + |
| 140 | + private void saveToFile() { |
| 141 | + try { |
| 142 | + JsonObject json = new JsonObject(); |
| 143 | + if (accessToken != null) { |
| 144 | + json.addProperty("accessToken", accessToken); |
| 145 | + } |
| 146 | + if (refreshToken != null) { |
| 147 | + json.addProperty("refreshToken", refreshToken); |
| 148 | + } |
| 149 | + json.addProperty("tokenExpiresAt", tokenExpiresAt); |
| 150 | + json.addProperty("lastUpdated", System.currentTimeMillis()); |
| 151 | + |
| 152 | + String content = gson.toJson(json); |
| 153 | + try (BufferedWriter writer = Files.newBufferedWriter(authFile.toPath())) { |
| 154 | + writer.write(content); |
| 155 | + } |
| 156 | + ClientLogger.debug("Auth tokens saved to: " + authFile.getAbsolutePath()); |
| 157 | + } catch (IOException e) { |
| 158 | + ClientLogger.error("Failed to save auth tokens: " + e.getMessage()); |
| 159 | + } |
| 160 | + } |
| 161 | + |
| 162 | + private void loadFromFile() { |
| 163 | + if (!authFile.exists()) { |
| 164 | + ClientLogger.debug("No auth file found at: " + authFile.getAbsolutePath()); |
| 165 | + return; |
| 166 | + } |
| 167 | + |
| 168 | + try { |
| 169 | + StringBuilder content = new StringBuilder(); |
| 170 | + try (BufferedReader reader = Files.newBufferedReader(authFile.toPath())) { |
| 171 | + String line; |
| 172 | + while ((line = reader.readLine()) != null) { |
| 173 | + content.append(line); |
| 174 | + } |
| 175 | + } |
| 176 | + JsonObject json = gson.fromJson(content.toString(), JsonObject.class); |
| 177 | + if (json != null) { |
| 178 | + accessToken = json.has("accessToken") && !json.get("accessToken").isJsonNull() |
| 179 | + ? json.get("accessToken").getAsString() |
| 180 | + : null; |
| 181 | + refreshToken = json.has("refreshToken") && !json.get("refreshToken").isJsonNull() |
| 182 | + ? json.get("refreshToken").getAsString() |
| 183 | + : null; |
| 184 | + tokenExpiresAt = json.has("tokenExpiresAt") && !json.get("tokenExpiresAt").isJsonNull() |
| 185 | + ? json.get("tokenExpiresAt").getAsLong() |
| 186 | + : 0L; |
| 187 | + ClientLogger.debug("Auth tokens loaded from: " + authFile.getAbsolutePath()); |
| 188 | + } |
| 189 | + } catch (IOException e) { |
| 190 | + ClientLogger.error("Failed to load auth tokens: " + e.getMessage()); |
| 191 | + } |
| 192 | + } |
| 193 | + |
| 194 | + public File getAuthFile() { |
| 195 | + return authFile; |
| 196 | + } |
| 197 | +} |
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