微爱帮监狱寄信邮票真伪核实接口认证方案

一、多重防伪识别接口

class StampVerificationAPI:
    """邮票真伪多重核验接口"""
    
    def __init__(self):
        self.scanners = {
            'microprint': MicroprintScanner(),
            'watermark': WatermarkDetector(),
            'uv_light': UVScanner(),
            'magnetic': MagneticSensor(),
            'nfc': NFCReader()
        }
        
        # 监狱邮票特殊验证规则
        self.prison_rules = {
            'required_features': ['microprint', 'watermark', 'uv_mark'],
            'min_security_level': 3,
            'allowed_issuers': ['中国邮政', '司法部邮票中心']
        }
    
    async def verify_stamp(self, stamp_image, physical_data):
        """
        邮票真伪核实
        """
        verification_results = []
        
        # 1. 图像特征识别
        image_features = await self.scan_image_features(stamp_image)
        
        # 2. 物理特征检测
        physical_features = await self.scan_physical_features(physical_data)
        
        # 3. 多重验证算法
        verification_results.append(
            await self.verify_by_microprint(stamp_image)
        )
        
        verification_results.append(
            await self.verify_by_watermark(stamp_image)
        )
        
        verification_results.append(
            await self.verify_by_uv_light(physical_data['uv_image'])
        )
        
        if 'nfc_data' in physical_data:
            verification_results.append(
                await self.verify_by_nfc(physical_data['nfc_data'])
            )
        
        # 4. 综合评分
        authenticity_score = self.calculate_authenticity_score(verification_results)
        
        # 5. 司法验证记录
        judicial_record = await self.create_judicial_record({
            'stamp_data': stamp_image,
            'verification_results': verification_results,
            'score': authenticity_score
        })
        
        return {
            'authentic': authenticity_score >= self.prison_rules['min_security_level'],
            'authenticity_score': authenticity_score,
            'verification_details': verification_results,
            'judicial_record_id': judicial_record['id'],
            'recommended_action': self.get_recommendation(authenticity_score)
        }

二、防伪特征检测

// 2. 邮票防伪特征检测
public class StampSecurityFeatureDetector {
    
    private static final double MIN_MATCH_SCORE = 0.85;
    
    public SecurityFeatures detectFeatures(MultipartFile stampImage) {
        SecurityFeatures features = new SecurityFeatures();
        
        // 1. 微缩文字识别
        features.setMicroprint(
            ocrService.detectMicroprint(stampImage, 
                new MicroprintConfig()
                    .setExpectedText("中国邮政")
                    .setFontSize(0.1) // 0.1mm
                    .setRequired(true))
        );
        
        // 2. 水印检测
        features.setWatermark(
            imageProcessor.detectWatermark(stampImage, 
                WatermarkPattern.PRISON_SPECIAL)
        );
        
        // 3. 荧光油墨检测
        features.setFluorescentInk(
            uvScanner.detectUVPattern(stampImage, 
                UVPattern.STAMP_SECURITY)
        );
        
        // 4. 雕刻版纹识别
        features.setEngravingPattern(
            patternMatcher.matchEngraving(stampImage, 
                EngravingTemplate.PRISON_2025)
        );
        
        // 5. 纸张纤维分析
        features.setPaperFiber(
            fiberAnalyzer.analyzePaper(stampImage)
        );
        
        return features;
    }
    
    public boolean verifySecurityFeatures(SecurityFeatures features) {
        // 必须通过的特征检测
        boolean requiredPassed = 
            features.getMicroprint().isPassed() &&
            features.getWatermark().isPassed() &&
            features.getFluorescentInk().isPassed();
        
        // 综合评分
        double totalScore = calculateTotalScore(features);
        
        return requiredPassed && totalScore >= MIN_MATCH_SCORE;
    }
    
    private double calculateTotalScore(SecurityFeatures features) {
        double score = 0.0;
        
        // 微缩文字：25%
        score += features.getMicroprint().getConfidence() * 0.25;
        
        // 水印：20%
        score += features.getWatermark().getConfidence() * 0.20;
        
        // 荧光：15%
        score += features.getFluorescentInk().getConfidence() * 0.15;
        
        // 雕刻版纹：20%
        score += features.getEngravingPattern().getConfidence() * 0.20;
        
        // 纸张纤维：20%
        score += features.getPaperFiber().getConfidence() * 0.20;
        
        return score;
    }
}

三、区块链存证接口

// 3. 邮票核验区块链存证
class BlockchainStampVerification {
    constructor() {
        this.contract = new ethers.Contract(
            process.env.STAMP_VERIFICATION_CONTRACT,
            StampVerificationABI,
            this.getSigner()
        );
        
        this.ipfs = new IPFSClient();
    }
    
    async recordVerification(verificationData) {
        // 1. 数据上链存证
        const verificationHash = this.hashVerificationData(verificationData);
        
        // 2. 存储证据到IPFS
        const ipfsCid = await this.storeEvidenceToIPFS(verificationData);
        
        // 3. 调用智能合约记录
        const tx = await this.contract.recordStampVerification({
            verificationHash,
            ipfsCid,
            verifier: this.getVerifierAddress(),
            timestamp: Math.floor(Date.now() / 1000),
            prisonCode: verificationData.prisonCode,
            stampSerial: verificationData.stampSerial
        });
        
        // 4. 生成司法存证证书
        const certificate = await this.generateJudicialCertificate({
            txHash: tx.hash,
            verificationData,
            ipfsCid
        });
        
        return {
            transactionHash: tx.hash,
            blockNumber: tx.blockNumber,
            ipfsCid,
            certificate,
            verificationTimestamp: new Date().toISOString()
        };
    }
    
    async verifyOnChain(stampSerial, prisonCode) {
        // 查询区块链上的核验记录
        const records = await this.contract.getStampVerificationRecords(
            stampSerial,
            prisonCode
        );
        
        // 验证链上数据一致性
        const isConsistent = await this.verifyDataConsistency(records);
        
        // 计算可信度评分
        const credibilityScore = this.calculateCredibilityScore(records);
        
        return {
            verificationCount: records.length,
            firstVerified: records[0]?.timestamp,
            latestVerified: records[records.length - 1]?.timestamp,
            isConsistent,
            credibilityScore,
            verificationHistory: records.map(r => ({
                timestamp: new Date(r.timestamp * 1000),
                verifier: r.verifier,
                txHash: r.txHash
            }))
        };
    }
    
    generateJudicialCertificate(data) {
        // 生成符合司法标准的存证证书
        return {
            certificateId: `JUDICIAL-STAMP-${Date.now()}-${data.stampSerial}`,
            stampSerial: data.stampSerial,
            prisonCode: data.prisonCode,
            verificationTime: new Date().toISOString(),
            blockchainProof: {
                txHash: data.txHash,
                blockNumber: data.blockNumber,
                contractAddress: process.env.STAMP_VERIFICATION_CONTRACT
            },
            evidenceStorage: {
                ipfsCid: data.ipfsCid,
                storageTime: new Date().toISOString()
            },
            judicialSignature: this.signJudicialData(data),
            qrCode: this.generateCertificateQR(data)
        };
    }
}

四、邮政系统对接

# 4. 邮政邮票核验系统对接
class PostalStampVerification:
    
    def __init__(self):
        self.client = AsyncHttpClient()
        self.auth = PostalAuth()
        
    async def verify_with_postal_system(self, stamp_data):
        """
        对接中国邮政邮票核验系统
        """
        # 1. 获取邮政API令牌
        token = await self.auth.get_postal_token()
        
        # 2. 调用邮票核验接口
        response = await self.client.post(
            "https://api.postal.gov.cn/stamp/verify",
            json={
                "stamp_code": stamp_data['code'],
                "serial_number": stamp_data['serial'],
                "issue_year": stamp_data['issue_year'],
                "category": "PRISON_COMMUNICATION",
                "verification_type": "full"
            },
            headers={
                "Authorization": f"Bearer {token}",
                "X-Postal-App-Id": "WEIAI_PRISON_2025",
                "X-Judicial-Auth": await self.get_judicial_auth()
            }
        )
        
        if response.status == 200:
            result = response.json()
            
            # 3. 验证邮政返回的数据
            is_valid = self.validate_postal_response(result)
            
            # 4. 记录核验日志
            await self.log_postal_verification(stamp_data, result, is_valid)
            
            return {
                "postal_verified": is_valid,
                "postal_status": result.get("status"),
                "issue_info": result.get("issue_info"),
                "circulation_info": result.get("circulation_info"),
                "postal_record_id": result.get("record_id")
            }
        
        raise Exception(f"邮政核验失败: {response.status}")
    
    async def verify_stamp_circulation(self, stamp_serial):
        """
        核验邮票流通记录
        """
        # 查询邮票流通历史
        response = await self.client.get(
            f"https://api.postal.gov.cn/stamp/circulation/{stamp_serial}",
            headers={
                "Authorization": f"Bearer {await self.auth.get_postal_token()}",
                "X-Postal-App-Id": "WEIAI_PRISON_2025"
            }
        )
        
        if response.status == 200:
            circulation_data = response.json()
            
            # 分析流通模式
            analysis = self.analyze_circulation_pattern(circulation_data)
            
            # 检查异常流通
            anomalies = self.detect_circulation_anomalies(circulation_data)
            
            return {
                "circulation_history": circulation_data,
                "circulation_analysis": analysis,
                "anomalies_detected": anomalies,
                "is_suspicious": len(anomalies) > 0
            }
        
        return {"error": "无法获取流通记录"}

五、核验结果接口

// 5. 邮票核验结果API接口
interface StampVerificationResult {
    stampId: string;
    verificationId: string;
    isAuthentic: boolean;
    confidenceScore: number;
    verificationMethod: string[];
    securityFeatures: SecurityFeature[];
    blockchainProof: BlockchainProof;
    postalVerification?: PostalVerification;
    recommendations: Recommendation[];
    timestamp: string;
}

class StampVerificationAPI {
    
    @Post('/api/stamp/verify')
    @RateLimit({ limit: 10, window: 60 }) // 每分钟10次
    @RequireAuth()
    async verifyStamp(
        @Body() request: VerifyStampRequest
    ): Promise<ApiResponse<StampVerificationResult>> {
        
        // 1. 验证请求参数
        const validation = await this.validateRequest(request);
        if (!validation.valid) {
            throw new BadRequestException(validation.errors);
        }
        
        // 2. 执行多重核验
        const verifier = new StampVerificationEngine();
        const verification = await verifier.verify(request.stampData);
        
        // 3. 生成核验证书
        const certificate = await this.generateVerificationCertificate(verification);
        
        // 4. 记录核验日志
        await this.logVerification({
            request,
            verification,
            certificate,
            userId: request.userId,
            ip: request.ip
        });
        
        // 5. 返回结果
        return {
            success: true,
            data: {
                ...verification,
                certificate,
                apiVersion: '2.0',
                responseTime: Date.now() - request.timestamp
            }
        };
    }
    
    @Get('/api/stamp/verification/:verificationId')
    @RequireAuth()
    async getVerificationResult(
        @Param('verificationId') verificationId: string
    ) {
        // 查询核验记录
        const record = await this.db.stampVerifications.findUnique({
            where: { verificationId },
            include: {
                blockchainProof: true,
                securityFeatures: true,
                auditLogs: true
            }
        });
        
        if (!record) {
            throw new NotFoundException('核验记录不存在');
        }
        
        // 验证数据完整性
        const integrity = await this.verifyDataIntegrity(record);
        
        return {
            ...record,
            dataIntegrity: integrity,
            verificationChain: await this.getVerificationChain(record)
        };
    }
    
    @Post('/api/stamp/report/suspicious')
    @RequireAuth()
    async reportSuspiciousStamp(
        @Body() report: SuspiciousStampReport
    ) {
        // 记录可疑邮票报告
        await this.db.suspiciousReports.create({
            data: {
                ...report,
                reporterId: report.userId,
                reportedAt: new Date(),
                status: 'pending_review'
            }
        });
        
        // 触发预警
        await this.alertSecurityTeam(report);
        
        // 添加邮票到观察列表
        await this.addToWatchlist(report.stampId);
        
        return {
            success: true,
            reportId: report.reportId,
            message: '已提交可疑邮票报告，安全团队将进行核查'
        };
    }
}

总结

微爱帮邮票真伪核实五大核心接口：

1. 多重防伪识别 - 微缩文字、水印、荧光、NFC多重验证

2. 防伪特征检测 - 雕刻版纹、纸张纤维精密分析

3. 区块链存证 - 司法级不可篡改存证链

4. 邮政系统对接 - 官方流通记录实时核验

5. 核验结果API - 完整核验链条+可疑报告机制

技术特点：

• 6层防伪验证

• 区块链+IPFS双重存证

• 实时邮政数据核验

• 司法标准证书生成

安全承诺 ：

用最高级别的技术验证，保障每一张邮票的真实性。让监狱通信，始于真实的连接。