Tonks

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// 获取系统信息
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uni.getSystemInfo({
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  success: (res) => {
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    const deviceFingerprint = {
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      platform: res.platform,
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      model: res.model,
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      system: res.system,
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      version: res.version,
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      screenWidth: res.screenWidth,
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      screenHeight: res.screenHeight,
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      pixelRatio: res.pixelRatio,
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      language: res.language,
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      brand: res.brand
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    };
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    this.saveFingerprint(deviceFingerprint);
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  }
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});
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// 获取更多设备特征
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async function getAdvancedFingerprint() {
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  const fingerprint = {};
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  // 网络信息
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  const network = await uni.getNetworkType();
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  fingerprint.networkType = network.networkType;
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  // 电池信息
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  const battery = await uni.getBatteryInfo();
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  fingerprint.batteryLevel = battery.level;
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  // 存储信息
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  const storage = await uni.getStorageInfo();
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  fingerprint.storageSize = storage.currentSize;
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  return fingerprint;
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}

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// 用户行为追踪
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class UserBehaviorTracker {
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  constructor() {
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    this.behaviorData = {
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      loginTimes: [],
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      featureUsage: {},
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      operationHabits: {}
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    };
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  }
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  // 记录功能使用
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  trackFeatureUsage(featureName) {
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    const now = new Date();
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    if (!this.behaviorData.featureUsage[featureName]) {
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      this.behaviorData.featureUsage[featureName] = [];
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    }
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    this.behaviorData.featureUsage[featureName].push(now);
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  }
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  // 记录操作习惯
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  trackOperation(operationType, duration) {
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    this.behaviorData.operationHabits[operationType] =
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      this.behaviorData.operationHabits[operationType] || [];
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    this.behaviorData.operationHabits[operationType].push(duration);
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  }
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}

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// 必须添加用户授权
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async function requestFingerprintPermission() {
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  try {
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    // 显示隐私政策说明
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    const result = await uni.showModal({
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      title: '数据收集说明',
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      content: '为提供更好的服务，我们将收集设备特征信息用于安全风控，这些信息不会识别个人身份。',
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      confirmText: '同意',
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      cancelText: '拒绝'
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    });
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    if (result.confirm) {
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      // 用户同意后开始收集
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      this.startFingerprintCollection();
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      // 保存用户授权记录
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      uni.setStorageSync('fingerprint_agreed', true);
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    }
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  } catch (error) {
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    console.error('获取授权失败:', error);
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  }
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}

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// 数据加密传输
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function encryptFingerprintData(data) {
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  // 使用加密算法处理敏感数据
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  const encrypted = {
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    timestamp: Date.now(),
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    data: JSON.stringify(data),
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    signature: this.generateSignature(data)
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  };
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  return encrypted;
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}
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// 安全存储
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function saveFingerprintLocally(data) {
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  uni.setStorage({
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    key: 'device_fingerprint',
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    data: this.encryptFingerprintData(data),
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    success: () => {
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      console.log('指纹数据保存成功');
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    }
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  });
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}

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// 平台差异处理
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function getPlatformSpecificInfo() {
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  // #ifdef APP-PLUS
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  return this.getAppDeviceInfo();
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  // #endif
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  // #ifdef H5
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  return this.getH5DeviceInfo();
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  // #endif
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  // #ifdef MP-WEIXIN
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  return this.getMiniProgramInfo();
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  // #endif
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}

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// 分批上传，减少网络压力
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class FingerprintUploader {
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  constructor() {
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    this.batchSize = 10;
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    this.uploadQueue = [];
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  }
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  addToUpload(data) {
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    this.uploadQueue.push(data);
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    if (this.uploadQueue.length >= this.batchSize) {
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      this.uploadBatch();
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    }
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  }
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  async uploadBatch() {
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    const batch = this.uploadQueue.splice(0, this.batchSize);
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    try {
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      await uni.request({
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        url: 'https://your-api.com/fingerprint',
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        method: 'POST',
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        data: {
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          fingerprints: batch,
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          deviceId: this.getDeviceId()
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        }
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      });
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    } catch (error) {
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      // 上传失败，重新加入队列
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      this.uploadQueue.unshift(...batch);
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    }
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  }
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}