1
公共领域测试内容:
2
  政府机构:
3
    - NASA公开视频资源
4
    - 政府新闻发布会
5
    - 公共教育内容
6
 
7
  开源项目:
8
    - Creative Commons授权内容
9
    - 开源电影项目
10
    - 开放数据集
11
 
12
  技术测试片段:
13
    - Big Buck Bunny
14
    - Sintel
15
    - Tears of Steel

1
# 创建独立的研究环境
2
mkdir streaming-research-lab
3
cd streaming-research-lab
4
 
5
# 安装必要工具
6
npm init -y
7
npm install express cors helmet morgan
8
npm install -D nodemon
9
 
10
# 创建目录结构
11
mkdir -p {content/{public-domain,test-samples,educational},logs,config}

1
// content-manager.js - 内容合规管理器
2
const fs = require('fs');
3
const path = require('path');
4
 
5
class ContentComplianceManager {
6
  constructor() {
7
    this.approvedContent = new Map();
8
    this.contentRegistry = path.join(__dirname, 'config/approved-content.json');
9
    this.loadApprovedContent();
10
  }
11
 
12
  loadApprovedContent() {
13
    try {
14
      if (fs.existsSync(this.contentRegistry)) {
15
        const data = fs.readFileSync(this.contentRegistry, 'utf8');
16
        const registry = JSON.parse(data);
17
 
18
        registry.forEach(item => {
19
          this.approvedContent.set(item.url, {
20
            license: item.license,
21
            source: item.source,
22
            description: item.description,
23
            approved: item.approved,
24
            approvalDate: new Date(item.approvalDate)
25
          });
26
        });
27
      }
28
    } catch (error) {
29
      console.error('加载内容注册表失败:', error);
30
    }
31
  }
32
 
33
  isContentApproved(url) {
34
    const content = this.approvedContent.get(url);
35
    return content && content.approved &&
36
           ['public-domain', 'creative-commons', 'educational-use'].includes(content.license);
37
  }
38
 
39
  addApprovedContent(url, metadata) {
40
    this.approvedContent.set(url, {
41
      ...metadata,
42
      approved: true,
43
      approvalDate: new Date()
44
    });
45
    this.saveRegistry();
46
  }
47
 
48
  saveRegistry() {
49
    const registry = Array.from(this.approvedContent.entries()).map(([url, data]) => ({
50
      url,
51
      ...data
52
    }));
53
 
54
    fs.writeFileSync(this.contentRegistry, JSON.stringify(registry, null, 2));
55
  }
56
 
57
  validateContentLicense(url) {
58
    return new Promise(async (resolve, reject) => {
59
      try {
60
        // 检查内容许可证信息
61
        const response = await fetch(`${url}/license-info.json`);
62
 
63
        if (response.ok) {
64
          const licenseInfo = await response.json();
65
          resolve(this.isValidLicense(licenseInfo));
66
        } else {
67
          // 如果没有许可证信息，检查是否在白名单中
68
          resolve(this.isWhitelistedDomain(url));
69
        }
70
      } catch (error) {
71
        reject(error);
72
      }
73
    });
74
  }
75
 
76
  isValidLicense(licenseInfo) {
77
    const validLicenses = [
78
      'public-domain',
79
      'cc0',
80
      'cc-by',
81
      'cc-by-sa',
82
      'educational-use'
83
    ];
84
 
85
    return validLicenses.includes(licenseInfo.type?.toLowerCase());
86
  }
87
 
88
  isWhitelistedDomain(url) {
89
    const whitelistedDomains = [
90
      'commondatastorage.googleapis.com',
91
      'archive.org',
92
      'peach.blender.org',
93
      'test-videos.co.uk',
94
      'sample-videos.com'
95
    ];
96
 
97
    try {
98
      const domain = new URL(url).hostname;
99
      return whitelistedDomains.includes(domain);
100
    } catch {
101
      return false;
102
    }
103
  }
104
}
105
 
106
module.exports = ContentComplianceManager;

1
// academic-config.js - 学术机构配置
2
class AcademicComplianceConfig {
3
  constructor(institutionInfo) {
4
    this.institution = institutionInfo;
5
    this.academicExemptions = this.loadAcademicExemptions();
6
    this.researchProjects = new Map();
7
  }
8
 
9
  loadAcademicExemptions() {
10
    return {
11
      // 课堂教学豁免
12
      classroomTeaching: {
13
        enabled: true,
14
        maxDuration: 15, // 分钟
15
        maxStudents: 50,
16
        requiresAttribution: true,
17
        allowedUses: ['demonstration', 'analysis', 'critique']
18
      },
19
 
20
      // 学术研究豁免
21
      academicResearch: {
22
        enabled: true,
23
        requiresApproval: true,
24
        maxClipDuration: 3, // 分钟
25
        allowedFormats: ['conference', 'journal', 'thesis'],
26
        requiresCitation: true
27
      },
28
 
29
      // 图书馆保存豁免
30
      libraryPreservation: {
31
        enabled: false, // 需要特殊许可
32
        requiresSpecialLicense: true
33
      }
34
    };
35
  }
36
 
37
  validateAcademicUse(request) {
38
    const { purpose, duration, audience, userRole } = request;
39
 
40
    // 验证用户角色
41
    if (!this.isAuthorizedAcademicUser(userRole)) {
42
      return { valid: false, reason: 'Unauthorized user role' };
43
    }
44
 
45
    // 验证使用目的
46
    if (purpose === 'classroom') {
47
      return this.validateClassroomUse(request);
48
    } else if (purpose === 'research') {
49
      return this.validateResearchUse(request);
50
    }
51
 
52
    return { valid: false, reason: 'Invalid academic purpose' };
53
  }
54
 
55
  validateClassroomUse(request) {
56
    const config = this.academicExemptions.classroomTeaching;
57
 
58
    if (!config.enabled) {
59
      return { valid: false, reason: 'Classroom use not enabled' };
60
    }
61
 
62
    if (request.duration > config.maxDuration * 60) {
63
      return { valid: false, reason: 'Exceeds maximum classroom duration' };
64
    }
65
 
66
    if (request.audienceSize > config.maxStudents) {
67
      return { valid: false, reason: 'Exceeds maximum class size' };
68
    }
69
 
70
    return {
71
      valid: true,
72
      conditions: [
73
        'Must include proper attribution',
74
        'Limited to enrolled students only',
75
        'No recording or redistribution allowed'
76
      ]
77
    };
78
  }
79
 
80
  isAuthorizedAcademicUser(role) {
81
    const authorizedRoles = [
82
      'professor',
83
      'instructor',
84
      'graduate_researcher',
85
      'phd_student',
86
      'research_assistant'
87
    ];
88
 
89
    return authorizedRoles.includes(role);
90
  }
91
}

1
// 开发环境配置示例
2
const ComplianceConfig = {
3
  // 内容来源验证
4
  contentSources: {
5
    whitelist: [
6
      'creative-commons.org',
7
      'archive.org',
8
      'government-media.gov'
9
    ],
10
    verification: true,
11
    licenseCheck: true
12
  },
13
 
14
  // 用户协议
15
  termsOfService: {
16
    required: true,
17
    version: '2024.1',
18
    acceptanceLogged: true
19
  },
20
 
21
  // 版权声明
22
  copyrightNotice: {
23
    display: true,
24
    dmcaAgent: 'legal@company.com',
25
    reportingUrl: '/copyright-report'
26
  }
27
};

1
class ContentComplianceValidator {
2
  constructor() {
3
    this.approvedDomains = [
4
      'example-legal-streaming.com',
5
      'public-domain-videos.org'
6
    ];
7
  }
8
 
9
  validateSource(url) {
10
    // 验证内容来源合法性
11
    const domain = new URL(url).hostname;
12
 
13
    if (!this.approvedDomains.includes(domain)) {
14
      throw new Error('未授权的内容源');
15
    }
16
 
17
    return this.checkLicense(url);
18
  }
19
 
20
  checkLicense(url) {
21
    // 检查内容许可证
22
    return fetch(`${url}/license-info`)
23
      .then(response => response.json())
24
      .then(license => {
25
        return license.type === 'public-domain' ||
26
               license.type === 'creative-commons';
27
      });
28
  }
29
}

1
function StreamPlayer({ src }) {
2
  const [acceptedTerms, setAcceptedTerms] = useState(false);
3
 
4
  return (
5
    <div className="player-container">
6
      {!acceptedTerms ? (
7
        <LegalDisclaimer
8
          onAccept={() => setAcceptedTerms(true)}
9
        />
10
      ) : (
11
        <VideoPlayer src={src} />
12
      )}
13
    </div>
14
  );
15
}
16
 
17
function LegalDisclaimer({ onAccept }) {
18
  return (
19
    <div className="legal-overlay">
20
      <h3>重要法律声明</h3>
21
      <p>
22
        本工具仅供技术研究和教育学习使用。
23
        请确保您拥有播放内容的合法授权。
24
      </p>
25
      <button onClick={onAccept}>
26
        我理解并同意使用条款
27
      </button>
28
    </div>
29
  );
30
}

1
// enterprise-compliance.js - 企业合规管理系统
2
class EnterpriseComplianceSystem {
3
  constructor(config) {
4
    this.config = config;
5
    this.rightsDatabase = new RightsDatabase(config.db);
6
    this.licenseManager = new LicenseManager(config.licensing);
7
    this.contentScanner = new ContentScanner(config.scanning);
8
    this.auditTrail = new AuditTrail(config.audit);
9
    this.legalNotifier = new LegalNotificationSystem(config.legal);
10
  }
11
 
12
  async validateContentUse(contentId, usageRequest) {
13
    try {
14
      // 1. 权利验证
15
      const rights = await this.rightsDatabase.getRights(contentId);
16
      if (!rights) {
17
        return this.denyAccess('No rights record found', contentId);
18
      }
19
 
20
      // 2. 许可证检查
21
      const licenseValid = await this.licenseManager.validateLicense(
22
        contentId,
23
        usageRequest.territory,
24
        usageRequest.platform,
25
        usageRequest.duration
26
      );
27
 
28
      if (!licenseValid.valid) {
29
        return this.denyAccess('License validation failed', contentId, licenseValid.reason);
30
      }
31
 
32
      // 3. 技术限制检查
33
      const technicalConstraints = await this.checkTechnicalConstraints(contentId, usageRequest);
34
      if (!technicalConstraints.compliant) {
35
        return this.denyAccess('Technical constraints violated', contentId);
36
      }
37
 
38
      // 4. 合规扫描
39
      const scanResult = await this.contentScanner.scanForViolations(contentId);
40
      if (scanResult.violations.length > 0) {
41
        await this.legalNotifier.reportViolations(contentId, scanResult.violations);
42
        return this.denyAccess('Content violations detected', contentId);
43
      }
44
 
45
      // 5. 记录合规使用
46
      await this.auditTrail.recordUsage(contentId, usageRequest, 'APPROVED');
47
 
48
      return {
49
        approved: true,
50
        accessToken: this.generateAccessToken(contentId, usageRequest),
51
        constraints: licenseValid.constraints,
52
        expiresAt: licenseValid.expiresAt
53
      };
54
 
55
    } catch (error) {
56
      await this.auditTrail.recordError(contentId, error);
57
      return this.denyAccess('System error during validation', contentId);
58
    }
59
  }
60
 
61
  async denyAccess(reason, contentId, details = null) {
62
    await this.auditTrail.recordUsage(contentId, null, 'DENIED', reason);
63
    await this.legalNotifier.notifyAccessDenied(contentId, reason, details);
64
 
65
    return {
66
      approved: false,
67
      reason,
68
      details,
69
      supportContact: this.config.legal.supportEmail
70
    };
71
  }
72
 
73
  async checkTechnicalConstraints(contentId, request) {
74
    const constraints = await this.rightsDatabase.getTechnicalConstraints(contentId);
75
 
76
    return {
77
      compliant: this.validateConstraints(constraints, request),
78
      constraints: constraints,
79
      violations: this.findViolations(constraints, request)
80
    };
81
  }
82
 
83
  validateConstraints(constraints, request) {
84
    // 检查分辨率限制
85
    if (constraints.maxResolution &&
86
        request.resolution > constraints.maxResolution) {
87
      return false;
88
    }
89
 
90
    // 检查码率限制
91
    if (constraints.maxBitrate &&
92
        request.bitrate > constraints.maxBitrate) {
93
      return false;
94
    }
95
 
96
    // 检查并发用户限制
97
    if (constraints.maxConcurrentUsers &&
98
        request.estimatedUsers > constraints.maxConcurrentUsers) {
99
      return false;
100
    }
101
 
102
    // 检查地理限制
103
    if (constraints.allowedTerritories &&
104
        !constraints.allowedTerritories.includes(request.territory)) {
105
      return false;
106
    }
107
 
108
    return true;
109
  }
110
}
111
 
112
// 权利数据库管理
113
class RightsDatabase {
114
  constructor(dbConfig) {
115
    this.db = dbConfig;
116
    this.cache = new Map();
117
  }
118
 
119
  async getRights(contentId) {
120
    // 缓存检查
121
    if (this.cache.has(contentId)) {
122
      const cached = this.cache.get(contentId);
123
      if (Date.now() - cached.timestamp < 300000) { // 5分钟缓存
124
        return cached.data;
125
      }
126
    }
127
 
128
    // 数据库查询
129
    const rights = await this.queryDatabase(contentId);
130
 
131
    // 更新缓存
132
    this.cache.set(contentId, {
133
      data: rights,
134
      timestamp: Date.now()
135
    });
136
 
137
    return rights;
138
  }
139
 
140
  async queryDatabase(contentId) {
141
    // 模拟数据库查询
142
    return {
143
      contentId,
144
      owner: 'Content Owner Inc.',
145
      rightsType: 'exclusive',
146
      territories: ['US', 'CA', 'GB'],
147
      platforms: ['web', 'mobile', 'smart-tv'],
148
      validFrom: new Date('2024-01-01'),
149
      validTo: new Date('2025-12-31'),
150
      technicalConstraints: {
151
        maxResolution: '1080p',
152
        maxBitrate: 5000000,
153
        maxConcurrentUsers: 10000,
154
        drmRequired: true
155
      }
156
    };
157
  }
158
}

1
// compliance-monitor.js - 自动化合规监控
2
class ComplianceMonitor {
3
  constructor() {
4
    this.monitors = new Map();
5
    this.alertThresholds = {
6
      unauthorizedAccess: 5,
7
      licenseViolations: 3,
8
      geoBlocking: 10,
9
      concurrentUsers: 1000
10
    };
11
    this.realTimeMetrics = new RealTimeMetrics();
12
  }
13
 
14
  startMonitoring() {
15
    // 实时访问监控
16
    this.monitors.set('access', setInterval(() => {
17
      this.checkUnauthorizedAccess();
18
    }, 5000));
19
 
20
    // 许可证到期监控
21
    this.monitors.set('license', setInterval(() => {
22
      this.checkLicenseExpiration();
23
    }, 3600000)); // 每小时
24
 
25
    // 地理访问违规监控
26
    this.monitors.set('geo', setInterval(() => {
27
      this.checkGeoViolations();
28
    }, 30000));
29
 
30
    // 使用量监控
31
    this.monitors.set('usage', setInterval(() => {
32
      this.checkUsageLimits();
33
    }, 10000));
34
  }
35
 
36
  async checkUnauthorizedAccess() {
37
    const suspiciousActivity = await this.realTimeMetrics.getSuspiciousAccess();
38
 
39
    if (suspiciousActivity.length > this.alertThresholds.unauthorizedAccess) {
40
      await this.triggerAlert('UNAUTHORIZED_ACCESS', {
41
        count: suspiciousActivity.length,
42
        sources: suspiciousActivity.map(a => a.ip),
43
        timestamp: new Date()
44
      });
45
    }
46
  }
47
 
48
  async checkLicenseExpiration() {
49
    const expiringLicenses = await this.getExpiringLicenses(7); // 7天内到期
50
 
51
    if (expiringLicenses.length > 0) {
52
      await this.triggerAlert('LICENSE_EXPIRING', {
53
        licenses: expiringLicenses,
54
        daysRemaining: 7
55
      });
56
    }
57
  }
58
 
59
  async triggerAlert(type, data) {
60
    const alert = {
61
      id: this.generateAlertId(),
62
      type,
63
      severity: this.getAlertSeverity(type),
64
      data,
65
      timestamp: new Date(),
66
      acknowledged: false
67
    };
68
 
69
    // 发送给法律团队
70
    await this.notifyLegalTeam(alert);
71
 
72
    // 记录到审计日志
73
    await this.auditTrail.recordAlert(alert);
74
 
75
    // 如果是高严重性，立即执行缓解措施
76
    if (alert.severity === 'HIGH') {
77
      await this.executeMitigationActions(alert);
78
    }
79
  }
80
 
81
  async executeMitigationActions(alert) {
82
    switch (alert.type) {
83
      case 'UNAUTHORIZED_ACCESS':
84
        await this.blockSuspiciousIPs(alert.data.sources);
85
        break;
86
      case 'LICENSE_VIOLATION':
87
        await this.suspendContentAccess(alert.data.contentId);
88
        break;
89
      case 'GEO_VIOLATION':
90
        await this.strengthenGeoBlocking(alert.data.region);
91
        break;
92
    }
93
  }
94
}

1
合规架构设计:
2
  内容管控:
3
    - 内容ID识别系统
4
    - 版权元数据管理
5
    - 自动内容过滤
6
 
7
  访问控制:
8
    - 用户身份验证
9
    - 权限级别管理
10
    - 地理位置限制
11
 
12
  审计追踪:
13
    - 完整操作日志
14
    - 合规报告生成
15
    - 定期安全审计

1
# 教育机构合规配置
2
class AcademicResearchConfig:
3
    def __init__(self):
4
        self.permitted_uses = [
5
            "classroom_demonstration",
6
            "academic_research",
7
            "thesis_preparation",
8
            "conference_presentation"
9
        ]
10
 
11
        self.restrictions = {
12
            "commercial_use": False,
13
            "public_distribution": False,
14
            "modification_rights": "limited",
15
            "attribution_required": True
16
        }
17
 
18
    def validate_research_use(self, request):
19
        # 验证研究用途的合法性
20
        if request.purpose not in self.permitted_uses:
21
            return False
22
 
23
        if request.user.status != "academic_researcher":
24
            return False
25
 
26
        return True

1
const RegionalCompliance = {
2
  EU: {
3
    gdpr: true,
4
    copyrightDirective: "2019/790",
5
    dataLocalization: "required"
6
  },
7
 
8
  US: {
9
    dmca: true,
10
    fairUse: "four-factor-test",
11
    stateVariations: true
12
  },
13
 
14
  China: {
15
    cybersecurityLaw: true,
16
    dataLocalization: "strict",
17
    contentReview: "required"
18
  }
19
};