后端加入Redis、旋转图片验证接口

Server/package.json

@@ -23,6 +23,7 @@
     "cors": "^2.8.5",
     "express": "^4.19.2",
     "ioredis": "^5.4.1",
-    "mysql2": "^3.9.7"
+    "mysql2": "^3.9.7",
+    "sharp": "^0.33.5"
   }
 }

Server/pnpm-lock.yaml

@@ -23,6 +23,9 @@ dependencies:
   mysql2:
     specifier: ^3.9.7
     version: 3.9.7
+  sharp:
+    specifier: ^0.33.5
+    version: 0.33.5
 
 devDependencies:
   '@types/cors':
@@ -50,6 +53,206 @@ packages:
       '@jridgewell/trace-mapping': 0.3.9
     dev: true
 
+  /@emnapi/runtime@1.2.0:
+    resolution: {integrity: sha512-bV21/9LQmcQeCPEg3BDFtvwL6cwiTMksYNWQQ4KOxCZikEGalWtenoZ0wCiukJINlGCIi2KXx01g4FoH/LxpzQ==}
+    requiresBuild: true
+    dependencies:
+      tslib: 2.7.0
+    dev: false
+    optional: true
+
+  /@img/sharp-darwin-arm64@0.33.5:
+    resolution: {integrity: sha512-UT4p+iz/2H4twwAoLCqfA9UH5pI6DggwKEGuaPy7nCVQ8ZsiY5PIcrRvD1DzuY3qYL07NtIQcWnBSY/heikIFQ==}
+    engines: {node: ^18.17.0 || ^20.3.0 || >=21.0.0}
+    cpu: [arm64]
+    os: [darwin]
+    requiresBuild: true
+    optionalDependencies:
+      '@img/sharp-libvips-darwin-arm64': 1.0.4
+    dev: false
+    optional: true
+
+  /@img/sharp-darwin-x64@0.33.5:
+    resolution: {integrity: sha512-fyHac4jIc1ANYGRDxtiqelIbdWkIuQaI84Mv45KvGRRxSAa7o7d1ZKAOBaYbnepLC1WqxfpimdeWfvqqSGwR2Q==}
+    engines: {node: ^18.17.0 || ^20.3.0 || >=21.0.0}
+    cpu: [x64]
+    os: [darwin]
+    requiresBuild: true
+    optionalDependencies:
+      '@img/sharp-libvips-darwin-x64': 1.0.4
+    dev: false
+    optional: true
+
+  /@img/sharp-libvips-darwin-arm64@1.0.4:
+    resolution: {integrity: sha512-XblONe153h0O2zuFfTAbQYAX2JhYmDHeWikp1LM9Hul9gVPjFY427k6dFEcOL72O01QxQsWi761svJ/ev9xEDg==}
+    cpu: [arm64]
+    os: [darwin]
+    requiresBuild: true
+    dev: false
+    optional: true
+
+  /@img/sharp-libvips-darwin-x64@1.0.4:
+    resolution: {integrity: sha512-xnGR8YuZYfJGmWPvmlunFaWJsb9T/AO2ykoP3Fz/0X5XV2aoYBPkX6xqCQvUTKKiLddarLaxpzNe+b1hjeWHAQ==}
+    cpu: [x64]
+    os: [darwin]
+    requiresBuild: true
+    dev: false
+    optional: true
+
+  /@img/sharp-libvips-linux-arm64@1.0.4:
+    resolution: {integrity: sha512-9B+taZ8DlyyqzZQnoeIvDVR/2F4EbMepXMc/NdVbkzsJbzkUjhXv/70GQJ7tdLA4YJgNP25zukcxpX2/SueNrA==}
+    cpu: [arm64]
+    os: [linux]
+    libc: [glibc]
+    requiresBuild: true
+    dev: false
+    optional: true
+
+  /@img/sharp-libvips-linux-arm@1.0.5:
+    resolution: {integrity: sha512-gvcC4ACAOPRNATg/ov8/MnbxFDJqf/pDePbBnuBDcjsI8PssmjoKMAz4LtLaVi+OnSb5FK/yIOamqDwGmXW32g==}
+    cpu: [arm]
+    os: [linux]
+    libc: [glibc]
+    requiresBuild: true
+    dev: false
+    optional: true
+
+  /@img/sharp-libvips-linux-s390x@1.0.4:
+    resolution: {integrity: sha512-u7Wz6ntiSSgGSGcjZ55im6uvTrOxSIS8/dgoVMoiGE9I6JAfU50yH5BoDlYA1tcuGS7g/QNtetJnxA6QEsCVTA==}
+    cpu: [s390x]
+    os: [linux]
+    libc: [glibc]
+    requiresBuild: true
+    dev: false
+    optional: true
+
+  /@img/sharp-libvips-linux-x64@1.0.4:
+    resolution: {integrity: sha512-MmWmQ3iPFZr0Iev+BAgVMb3ZyC4KeFc3jFxnNbEPas60e1cIfevbtuyf9nDGIzOaW9PdnDciJm+wFFaTlj5xYw==}
+    cpu: [x64]
+    os: [linux]
+    libc: [glibc]
+    requiresBuild: true
+    dev: false
+    optional: true
+
+  /@img/sharp-libvips-linuxmusl-arm64@1.0.4:
+    resolution: {integrity: sha512-9Ti+BbTYDcsbp4wfYib8Ctm1ilkugkA/uscUn6UXK1ldpC1JjiXbLfFZtRlBhjPZ5o1NCLiDbg8fhUPKStHoTA==}
+    cpu: [arm64]
+    os: [linux]
+    libc: [musl]
+    requiresBuild: true
+    dev: false
+    optional: true
+
+  /@img/sharp-libvips-linuxmusl-x64@1.0.4:
+    resolution: {integrity: sha512-viYN1KX9m+/hGkJtvYYp+CCLgnJXwiQB39damAO7WMdKWlIhmYTfHjwSbQeUK/20vY154mwezd9HflVFM1wVSw==}
+    cpu: [x64]
+    os: [linux]
+    libc: [musl]
+    requiresBuild: true
+    dev: false
+    optional: true
+
+  /@img/sharp-linux-arm64@0.33.5:
+    resolution: {integrity: sha512-JMVv+AMRyGOHtO1RFBiJy/MBsgz0x4AWrT6QoEVVTyh1E39TrCUpTRI7mx9VksGX4awWASxqCYLCV4wBZHAYxA==}
+    engines: {node: ^18.17.0 || ^20.3.0 || >=21.0.0}
+    cpu: [arm64]
+    os: [linux]
+    libc: [glibc]
+    requiresBuild: true
+    optionalDependencies:
+      '@img/sharp-libvips-linux-arm64': 1.0.4
+    dev: false
+    optional: true
+
+  /@img/sharp-linux-arm@0.33.5:
+    resolution: {integrity: sha512-JTS1eldqZbJxjvKaAkxhZmBqPRGmxgu+qFKSInv8moZ2AmT5Yib3EQ1c6gp493HvrvV8QgdOXdyaIBrhvFhBMQ==}
+    engines: {node: ^18.17.0 || ^20.3.0 || >=21.0.0}
+    cpu: [arm]
+    os: [linux]
+    libc: [glibc]
+    requiresBuild: true
+    optionalDependencies:
+      '@img/sharp-libvips-linux-arm': 1.0.5
+    dev: false
+    optional: true
+
+  /@img/sharp-linux-s390x@0.33.5:
+    resolution: {integrity: sha512-y/5PCd+mP4CA/sPDKl2961b+C9d+vPAveS33s6Z3zfASk2j5upL6fXVPZi7ztePZ5CuH+1kW8JtvxgbuXHRa4Q==}
+    engines: {node: ^18.17.0 || ^20.3.0 || >=21.0.0}
+    cpu: [s390x]
+    os: [linux]
+    libc: [glibc]
+    requiresBuild: true
+    optionalDependencies:
+      '@img/sharp-libvips-linux-s390x': 1.0.4
+    dev: false
+    optional: true
+
+  /@img/sharp-linux-x64@0.33.5:
+    resolution: {integrity: sha512-opC+Ok5pRNAzuvq1AG0ar+1owsu842/Ab+4qvU879ippJBHvyY5n2mxF1izXqkPYlGuP/M556uh53jRLJmzTWA==}
+    engines: {node: ^18.17.0 || ^20.3.0 || >=21.0.0}
+    cpu: [x64]
+    os: [linux]
+    libc: [glibc]
+    requiresBuild: true
+    optionalDependencies:
+      '@img/sharp-libvips-linux-x64': 1.0.4
+    dev: false
+    optional: true
+
+  /@img/sharp-linuxmusl-arm64@0.33.5:
+    resolution: {integrity: sha512-XrHMZwGQGvJg2V/oRSUfSAfjfPxO+4DkiRh6p2AFjLQztWUuY/o8Mq0eMQVIY7HJ1CDQUJlxGGZRw1a5bqmd1g==}
+    engines: {node: ^18.17.0 || ^20.3.0 || >=21.0.0}
+    cpu: [arm64]
+    os: [linux]
+    libc: [musl]
+    requiresBuild: true
+    optionalDependencies:
+      '@img/sharp-libvips-linuxmusl-arm64': 1.0.4
+    dev: false
+    optional: true
+
+  /@img/sharp-linuxmusl-x64@0.33.5:
+    resolution: {integrity: sha512-WT+d/cgqKkkKySYmqoZ8y3pxx7lx9vVejxW/W4DOFMYVSkErR+w7mf2u8m/y4+xHe7yY9DAXQMWQhpnMuFfScw==}
+    engines: {node: ^18.17.0 || ^20.3.0 || >=21.0.0}
+    cpu: [x64]
+    os: [linux]
+    libc: [musl]
+    requiresBuild: true
+    optionalDependencies:
+      '@img/sharp-libvips-linuxmusl-x64': 1.0.4
+    dev: false
+    optional: true
+
+  /@img/sharp-wasm32@0.33.5:
+    resolution: {integrity: sha512-ykUW4LVGaMcU9lu9thv85CbRMAwfeadCJHRsg2GmeRa/cJxsVY9Rbd57JcMxBkKHag5U/x7TSBpScF4U8ElVzg==}
+    engines: {node: ^18.17.0 || ^20.3.0 || >=21.0.0}
+    cpu: [wasm32]
+    requiresBuild: true
+    dependencies:
+      '@emnapi/runtime': 1.2.0
+    dev: false
+    optional: true
+
+  /@img/sharp-win32-ia32@0.33.5:
+    resolution: {integrity: sha512-T36PblLaTwuVJ/zw/LaH0PdZkRz5rd3SmMHX8GSmR7vtNSP5Z6bQkExdSK7xGWyxLw4sUknBuugTelgw2faBbQ==}
+    engines: {node: ^18.17.0 || ^20.3.0 || >=21.0.0}
+    cpu: [ia32]
+    os: [win32]
+    requiresBuild: true
+    dev: false
+    optional: true
+
+  /@img/sharp-win32-x64@0.33.5:
+    resolution: {integrity: sha512-MpY/o8/8kj+EcnxwvrP4aTJSWw/aZ7JIGR4aBeZkZw5B7/Jn+tY9/VNwtcoGmdT7GfggGIU4kygOMSbYnOrAbg==}
+    engines: {node: ^18.17.0 || ^20.3.0 || >=21.0.0}
+    cpu: [x64]
+    os: [win32]
+    requiresBuild: true
+    dev: false
+    optional: true
+
   /@ioredis/commands@1.2.0:
     resolution: {integrity: sha512-Sx1pU8EM64o2BrqNpEO1CNLtKQwyhuXuqyfH7oGKCk+1a33d2r5saW8zNwm3j6BTExtjrv2BxTgzzkMwts6vGg==}
     dev: false
@@ -248,6 +451,32 @@ packages:
     engines: {node: '>=0.10.0'}
     dev: false
 
+  /color-convert@2.0.1:
+    resolution: {integrity: sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==}
+    engines: {node: '>=7.0.0'}
+    dependencies:
+      color-name: 1.1.4
+    dev: false
+
+  /color-name@1.1.4:
+    resolution: {integrity: sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==}
+    dev: false
+
+  /color-string@1.9.1:
+    resolution: {integrity: sha512-shrVawQFojnZv6xM40anx4CkoDP+fZsw/ZerEMsW/pyzsRbElpsL/DBVW7q3ExxwusdNXI3lXpuhEZkzs8p5Eg==}
+    dependencies:
+      color-name: 1.1.4
+      simple-swizzle: 0.2.2
+    dev: false
+
+  /color@4.2.3:
+    resolution: {integrity: sha512-1rXeuUUiGGrykh+CeBdu5Ie7OJwinCgQY0bc7GCRxy5xVHy+moaqkpL/jqQq0MtQOeYcrqEz4abc5f0KtU7W4A==}
+    engines: {node: '>=12.5.0'}
+    dependencies:
+      color-convert: 2.0.1
+      color-string: 1.9.1
+    dev: false
+
   /combined-stream@1.0.8:
     resolution: {integrity: sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==}
     engines: {node: '>= 0.8'}
@@ -340,6 +569,11 @@ packages:
     engines: {node: '>= 0.8', npm: 1.2.8000 || >= 1.4.16}
     dev: false
 
+  /detect-libc@2.0.3:
+    resolution: {integrity: sha512-bwy0MGW55bG41VqxxypOsdSdGqLwXPI/focwgTYCFMbdUiBAxLg9CFzG08sz2aqzknwiX7Hkl0bQENjg8iLByw==}
+    engines: {node: '>=8'}
+    dev: false
+
   /diff@4.0.2:
     resolution: {integrity: sha512-58lmxKSA4BNyLz+HHMUzlOEpg09FV+ev6ZMe3vJihgdxzgcwZ8VoEEPmALCZG9LmqfVoNMMKpttIYTVG6uDY7A==}
     engines: {node: '>=0.3.1'}
@@ -559,6 +793,10 @@ packages:
     engines: {node: '>= 0.10'}
     dev: false
 
+  /is-arrayish@0.3.2:
+    resolution: {integrity: sha512-eVRqCvVlZbuw3GrM63ovNSNAeA1K16kaR/LRY/92w0zxQ5/1YzwblUX652i4Xs9RwAGjW9d9y6X88t8OaAJfWQ==}
+    dev: false
+
   /is-property@1.0.2:
     resolution: {integrity: sha512-Ks/IoX00TtClbGQr4TWXemAnktAQvYB7HzcCxDGqEZU6oCmb2INHuOoKxbtR+HFkmYWBKv/dOZtGRiAjDhj92g==}
     dev: false
@@ -738,6 +976,12 @@ packages:
     resolution: {integrity: sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==}
     dev: false
 
+  /semver@7.6.3:
+    resolution: {integrity: sha512-oVekP1cKtI+CTDvHWYFUcMtsK/00wmAEfyqKfNdARm8u1wNVhSgaX7A8d4UuIlUI5e84iEwOhs7ZPYRmzU9U6A==}
+    engines: {node: '>=10'}
+    hasBin: true
+    dev: false
+
   /send@0.18.0:
     resolution: {integrity: sha512-qqWzuOjSFOuqPjFe4NOsMLafToQQwBSOEpS+FwEt3A2V3vKubTquT3vmLTQpFgMXp8AlFWFuP1qKaJZOtPpVXg==}
     engines: {node: '>= 0.8.0'}
@@ -791,6 +1035,36 @@ packages:
     resolution: {integrity: sha512-E5LDX7Wrp85Kil5bhZv46j8jOeboKq5JMmYM3gVGdGH8xFpPWXUMsNrlODCrkoxMEeNi/XZIwuRvY4XNwYMJpw==}
     dev: false
 
+  /sharp@0.33.5:
+    resolution: {integrity: sha512-haPVm1EkS9pgvHrQ/F3Xy+hgcuMV0Wm9vfIBSiwZ05k+xgb0PkBQpGsAA/oWdDobNaZTH5ppvHtzCFbnSEwHVw==}
+    engines: {node: ^18.17.0 || ^20.3.0 || >=21.0.0}
+    requiresBuild: true
+    dependencies:
+      color: 4.2.3
+      detect-libc: 2.0.3
+      semver: 7.6.3
+    optionalDependencies:
+      '@img/sharp-darwin-arm64': 0.33.5
+      '@img/sharp-darwin-x64': 0.33.5
+      '@img/sharp-libvips-darwin-arm64': 1.0.4
+      '@img/sharp-libvips-darwin-x64': 1.0.4
+      '@img/sharp-libvips-linux-arm': 1.0.5
+      '@img/sharp-libvips-linux-arm64': 1.0.4
+      '@img/sharp-libvips-linux-s390x': 1.0.4
+      '@img/sharp-libvips-linux-x64': 1.0.4
+      '@img/sharp-libvips-linuxmusl-arm64': 1.0.4
+      '@img/sharp-libvips-linuxmusl-x64': 1.0.4
+      '@img/sharp-linux-arm': 0.33.5
+      '@img/sharp-linux-arm64': 0.33.5
+      '@img/sharp-linux-s390x': 0.33.5
+      '@img/sharp-linux-x64': 0.33.5
+      '@img/sharp-linuxmusl-arm64': 0.33.5
+      '@img/sharp-linuxmusl-x64': 0.33.5
+      '@img/sharp-wasm32': 0.33.5
+      '@img/sharp-win32-ia32': 0.33.5
+      '@img/sharp-win32-x64': 0.33.5
+    dev: false
+
   /side-channel@1.0.6:
     resolution: {integrity: sha512-fDW/EZ6Q9RiO8eFG8Hj+7u/oW+XrPTIChwCOM2+th2A6OblDtYYIpve9m+KvI9Z4C9qSEXlaGR6bTEYHReuglA==}
     engines: {node: '>= 0.4'}
@@ -801,6 +1075,12 @@ packages:
       object-inspect: 1.13.1
     dev: false
 
+  /simple-swizzle@0.2.2:
+    resolution: {integrity: sha512-JA//kQgZtbuY83m+xT+tXJkmJncGMTFT+C+g2h2R9uxkYIrE2yy9sgmcLhCnw57/WSD+Eh3J97FPEDFnbXnDUg==}
+    dependencies:
+      is-arrayish: 0.3.2
+    dev: false
+
   /sqlstring@2.3.3:
     resolution: {integrity: sha512-qC9iz2FlN7DQl3+wjwn3802RTyjCx7sDvfQEXchwa6CWOx07/WVfh91gBmQ9fahw8snwGEWU3xGzOt4tFyHLxg==}
     engines: {node: '>= 0.6'}
@@ -851,6 +1131,12 @@ packages:
       yn: 3.1.1
     dev: true
 
+  /tslib@2.7.0:
+    resolution: {integrity: sha512-gLXCKdN1/j47AiHiOkJN69hJmcbGTHI0ImLmbYLHykhgeN0jVGola9yVjFgzCUklsZQMW55o+dW7IXv3RCXDzA==}
+    requiresBuild: true
+    dev: false
+    optional: true
+
   /type-is@1.6.18:
     resolution: {integrity: sha512-TkRKr9sUTxEH8MdfuCSP7VizJyzRNMjj2J2do2Jr3Kym598JVdEksuzPQCnlFPW4ky9Q+iA+ma9BGm06XQBy8g==}
     engines: {node: '>= 0.6'}

Server/src/APIs/CheckCaptcha.ts

@@ -0,0 +1,41 @@
+import { API } from "../Plugs/API/API";
+import ServerStdResponse from "../ServerStdResponse";
+import captchaSession from "../Plugs/Service/captchaSession";
+
+// 检查人机验证
+class CheckCaptcha extends API {
+    constructor() {
+        super('POST', '/checkCaptcha');
+    }
+
+    public async onRequset(data: any, res: any) {
+        let { session, rotateDeg } = data;
+        if (!session || !rotateDeg) {
+            return res.json(ServerStdResponse.PARAMS_MISSING);
+        }
+        switch (await captchaSession.check(session, rotateDeg)) {
+            case 0:
+                // 验证码已过期或服务器错误
+                res.json(ServerStdResponse.CAPTCHA.NOTFOUND);
+                break;
+            case 1:
+                // 验证通过
+                res.json(ServerStdResponse.OK);
+                break;
+            case -1:
+                // 超过最大尝试次数
+                res.json(ServerStdResponse.CAPTCHA.MAX_TRY_COUNT);
+                break;
+            case -2:
+                // 角度不正确
+                res.json(ServerStdResponse.CAPTCHA.NOTRIGHT);
+                break;
+            default:
+                // 未知错误
+                res.json(ServerStdResponse.SERVER_ERROR);
+                break;
+        }
+    }
+}
+
+export default CheckCaptcha;

Server/src/APIs/GetCaptcha.ts

@@ -0,0 +1,36 @@
+import fs from "fs";
+import { API } from "../Plugs/API/API";
+import ServerStdResponse from "../ServerStdResponse";
+import captchaSession from "../Plugs/Service/captchaSession";
+import path from "path";
+import sharp from "sharp";
+import crypto from 'crypto'
+
+// 获取人机验证图片及标识符
+class GetCaptcha extends API {
+    constructor() {
+        super('GET', '/captcha');
+    }
+
+    public async onRequset(data: any, res: any) {
+        const imgsPath = path.join(__dirname, '../assets/captchaImgs');
+        const fileList = fs.readdirSync(imgsPath)
+        const imgPath = path.join(imgsPath, fileList[Math.floor(Math.random() * fileList.length)]);
+        const rotateDeg = Math.floor(Math.random() * 240) + 60;
+        const img = Buffer.from(await sharp(imgPath).rotate(-rotateDeg).toBuffer()).toString('base64')
+        const session = crypto.createHash('md5').update(`${Math.random()} ${Date.now()}`).digest('hex');
+        if (await captchaSession.add(session, rotateDeg)) {
+            return res.json({
+                ...ServerStdResponse.OK, data: {
+                    img: img,
+                    session: session,
+                    imgPreStr: 'data:image/jpeg;base64,'
+                }
+            });
+        } else {
+            return res.json(ServerStdResponse.SERVER_ERROR)
+        }
+    }
+}
+
+export default GetCaptcha;

Server/src/Plugs/RedisConnection.ts

@@ -0,0 +1,43 @@
+import Redis from 'ioredis';
+import config from '../config';
+import Logger from './Logger';
+
+class RedisConnection {
+    private pool?: Redis
+    private logger = new Logger('Redis')
+
+    constructor() {
+        try {
+            this.pool = new Redis({
+                port: config.redis.port,
+                host: config.redis.host,
+                password: config.redis.password,
+                maxRetriesPerRequest: 10,
+            });
+            this.logger.info('数据库连接池已创建')
+        } catch (error) {
+            this.logger.error('数据库连接池创建失败：' + error)
+        }
+        setTimeout(async () => {
+            if(this.pool == undefined)
+                return;
+            try {
+                let res = await this.pool.set('redis_test', '1');
+                if (res)
+                    this.logger.info('数据库测试成功')
+                else
+                    throw new Error('返回值错误')
+            } catch (error) {
+                this.logger.error('数据库测试失败：' + error)
+            }
+
+        }, 10);
+    }
+
+    public getPool(): Redis {
+        return <Redis>this.pool;
+    }
+}
+
+const redisConnection = new RedisConnection();
+export default redisConnection.getPool();

Server/src/Plugs/Service/captchaSession.ts

@@ -0,0 +1,114 @@
+import Logger from '../Logger';
+import RedisConnection from '../RedisConnection';
+
+class _captchaSession {
+    private logger = new Logger('Service][captchaSession');
+    private AllowMaxTryCount: number = 5;
+    private AllowMaxAngleDiff: number = 8;
+    private ExpriedTimeSec: number = 60;
+    private RedisCommonKey: string = 'Service:captchaSession:';
+
+    constructor() {
+        this.logger.info('旋转图像验证服务已启动');
+    }
+
+    private async get(session: string) {
+        try {
+            const result = await RedisConnection.get(this.RedisCommonKey + session);
+            if(result === null)
+                return;
+            return JSON.parse(result);
+        } catch (error) {
+            this.logger.error(`获取session[${session}]时发生错误：${error}`);
+            return;
+        }
+    }
+    
+    private async remove(session: string) {
+        try {
+            await RedisConnection.del(this.RedisCommonKey + session);
+        } catch (error) {
+            this.logger.error(`删除session[${session}]失败`);
+        }
+    }
+
+    /**
+     * 
+     * @param session 验证会话标识符
+     * @param rotateDeg 图片旋转角度
+     * @returns true存储成功 false存储失败
+     */
+    public async add(session: string, rotateDeg: number): Promise<boolean> {
+        const result = {
+            rotateDeg: rotateDeg,
+            tryCount: 0,
+            isPassed: false
+        }
+        try {
+            const res = await RedisConnection.set(this.RedisCommonKey + session, JSON.stringify(result));
+            if(res && res === 'OK') {
+                RedisConnection.expire(this.RedisCommonKey + session, this.ExpriedTimeSec);
+                this.logger.info(`session[${session}]及角度[${rotateDeg}]已存储`);
+                return true;
+            }
+            this.logger.error(`session[${session}]及角度[${rotateDeg}]存储失败`);
+            return false;
+        } catch (error) {
+            this.logger.error(`session[${session}]及角度[${rotateDeg}]存储失败：${error}`);
+            return false;
+        }
+    }
+
+    /**
+     * 
+     * @param session 验证会话标识符
+     * @returns true已验证过期 false未通过
+     */
+    public async isPassed(session: string): Promise<boolean> {
+        const result = await this.get(session);
+        if(!result)
+            return false;
+        if(result.isPassed)
+            this.remove(session);
+        return result.isPassed;
+    }
+
+    /**
+     * 
+     * @param session 验证会话标识符
+     * @param rotateDeg 图片旋转角度
+     * @returns 0验证已过期或服务器错误 1通过验证 -1超过最大允许尝试次数 -2角度差异过大
+     */
+    public async check(session: string, rotateDeg: number): Promise<number> {
+        try {
+            let result = await this.get(session);
+            if(!result){
+                return 0;
+            }
+            if(result.isPassed){
+                this.logger.info(`session[${session}]已通过验证，无需重复验证`);
+                return 1;
+            }
+            if(Math.abs(result.rotateDeg - rotateDeg) <= this.AllowMaxAngleDiff) {
+                result.isPassed = true;
+                await RedisConnection.del(this.RedisCommonKey + session);
+                await RedisConnection.set(this.RedisCommonKey + session, JSON.stringify(result));
+                RedisConnection.expire(this.RedisCommonKey + session, this.ExpriedTimeSec);
+                return 1;
+            }
+            result.tryCount++;
+            if(result.tryCount >= this.AllowMaxTryCount) {
+                this.remove(session);
+                return -1;
+            }
+            RedisConnection.set(this.RedisCommonKey + session, JSON.stringify(result));
+            return -2;
+        } catch (error) {
+            this.logger.error(`检查session[${session}]时发生错误：${error}`);
+            return 0;
+        }
+    }
+}
+
+const captchaSession = new _captchaSession();
+export default captchaSession;

Server/src/Server/Server.ts

@@ -2,11 +2,17 @@ import Logger from "../Plugs/Logger";
 import { APILoader } from "../Plugs/API/APILoader";
 import config from "../config";
 
+// 加载Plugs
+import '../Plugs/Service/captchaSession'
+
+// 加载API
 import GetTest from "../APIs/GetTest";
 import GetResourceList from "../APIs/GetResourceList";
 import GetBlogList from "../APIs/GetBlogList";
 import GetBlogContent from "../APIs/GetBlogContent";
 import BlogLike from "../APIs/BlogLike";
+import GetCaptcha from "../APIs/GetCaptcha";
+import CheckCaptcha from "../APIs/CheckCaptcha";
 
 class Server {
     private logger = new Logger('Server');
@@ -18,12 +24,14 @@ class Server {
     }
 
     public async start() {
-        // 加载前台API
+        // 加载API
         this.apiLoader.add(GetTest);
         this.apiLoader.add(GetResourceList);
         this.apiLoader.add(GetBlogList);
         this.apiLoader.add(GetBlogContent);
         this.apiLoader.add(BlogLike);
+        this.apiLoader.add(GetCaptcha);
+        this.apiLoader.add(CheckCaptcha);
 
         this.apiLoader.start(config.apiPort);
     }

Server/src/ServerStdResponse.ts

@@ -29,6 +29,20 @@ const ServerStdResponse = {
             message: 'Blog not found'
         }
     },
+    CAPTCHA: {
+        NOTFOUND: {
+            code: -5000,
+            message: 'captcha session not found'
+        },
+        MAX_TRY_COUNT: {
+            code: -5001,
+            message: 'captcha session try max count'
+        },
+        NOTRIGHT: {
+            code: -5002,
+            message: 'captcha is not right, please try again'
+        }
+    }
 } as const;
 
 export default ServerStdResponse;

Server/src/config.ts

@@ -7,6 +7,12 @@ const config = {
         password: 'Shi15023847146'
         // password: '245565'
     },
+    redis: {
+        port: 6379,
+        host: 'localhost',
+        password: ''
+        // password: 'jhkdjhkjdhsIUTYURTU_f7EJZJ'
+    },
     authToken: '17e50223f4a545ec9e36ebf08e2f71bb',
     adminToken: '3a6f71412f9e48b9bbbd056aa7eb5467',
     apiPort: 23500,