first commit

历届学生/front-end-team-11/项目开发/学生项目/贡婉宝/博客01/后端/src/utils/aliyunOss.ts

@@ -0,0 +1,53 @@
+import crypto from "crypto-js";
+
+export class uploadOssHelper {
+    accessKeyId: string = "";
+    accessKeySecret: string = "";
+    timeout: number;
+    maxSize: number;
+    constructor(options: {
+        accessKeyId: string, 
+        accessKeySecret: string,
+        timeout?: number,
+        maxSize?: number
+    }) {
+        this.accessKeyId = options.accessKeyId;
+        this.accessKeySecret = options.accessKeySecret;
+        // 限制参数的生效时间，单位为小时，默认值为1。
+        this.timeout = options.timeout || 1;
+        // 限制上传文件的大小，单位为MB，默认值为10。
+        this.maxSize = options.maxSize || 10;
+    }
+
+    createUploadParams() {
+        const policy = this.getPolicyBase64();
+        const signature = this.signature(policy);
+        return {
+            OSSAccessKeyId: this.accessKeyId,
+            policy: policy,
+            Signature: signature,
+        };
+    }
+
+    getPolicyBase64() {
+        let date = new Date();
+        // 设置policy过期时间。
+        date.setHours(date.getHours() + this.timeout);
+        let srcT = date.toISOString();
+        const policyText = {
+            expiration: srcT,
+            conditions: [
+                // 限制上传文件大小。
+                ["content-length-range", 0, this.maxSize * 1024 * 1024],
+            ],
+        };
+        const buffer = new Buffer(JSON.stringify(policyText));
+        return buffer.toString("base64");
+    }
+
+    signature(policy: string) {
+        return crypto.enc.Base64.stringify(
+            crypto.HmacSHA1(policy, this.accessKeySecret)
+        );
+    }
+}

历届学生/front-end-team-11/项目开发/学生项目/贡婉宝/博客01/后端/src/utils/authorizationChecker.ts

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+import { Action } from 'routing-controllers';
+import JsonwebToken, { VerifyErrors, JwtPayload } from 'jsonwebtoken'
+import config from '@/config'
+import { JsonResult, msgList } from '@/utils/jsonResult';
+
+/**
+ * Token检验的装饰器代码实现
+ */
+export class AuthorizationChecker {
+    json: JsonResult<null> = new JsonResult
+    async check(action: Action, roles: string[]): Promise<boolean> {
+        if (action.request.headers.hasOwnProperty("token")) {
+            const token = action.request.headers['token'];
+            return new Promise<boolean>((success: (value: boolean | PromiseLike<boolean>) => void) => {
+                JsonwebToken.verify( token, config.jwtKey, (err: VerifyErrors | null, decoded: JwtPayload | undefined | string) =>{
+                    if(err){
+                        throw this.json.error(null,msgList.DecodedTokenError)
+                    }else{
+                        action.request.headers['token'] = decoded
+                        success(true)
+                    }
+                });
+            })
+        }
+        throw this.json.error(null,msgList.NoFoundToken)
+    }
+}

历届学生/front-end-team-11/项目开发/学生项目/贡婉宝/博客01/后端/src/utils/jsonResult.ts

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+import { Inject, Service } from 'typedi';
+
+export enum codeList {
+    Success = 200,
+    Error = 500,
+    NoFound = 404
+}
+
+export enum msgList {
+    Success = "请求成功",
+    Error = "请求成功",
+    NoFound = "未找到用户",
+    NoFounddelet = "此选项不存在",
+    SystemError = "系统错误",
+    DeleteSuccess = "删除成功",
+    NoFoundToken = "缺少token",
+    DecodedTokenError = "解密token失败",
+    PasswordError = "用户密码错误，请检查",
+    UserNameExist = "用户名已存在，请改名",
+    addUserSuccess = "注册成功",
+    pushMessageSuccess = "发布成功",
+    Essayadd="文章发布成功",
+    Essayupdata="修改成功",
+    add="添加成功",
+    sions="权限不够"
+}
+
+export interface res<T> {
+    code: number;
+    msg: string;
+    data: T;
+}
+
+@Service()
+export class JsonResult<T> {
+    // 状态码
+    private _code!: number;
+   
+    // 错误的中文信息
+    private _msg!: string;
+   
+    // 接口数据
+    private _data!: T;
+
+    private _pagemax!:number;
+
+    public get code(): number {
+        return this._code;
+    }
+    public set code(value: number) {
+        this._code = value;
+    }
+
+    public get msg(): string {
+        return this._msg;
+    }
+    public set msg(value: string) {
+        this._msg = value;
+    }
+    public get data(): T {
+        return this._data;
+    }
+    public set data(value: T) {
+        this._data = value;
+    }
+
+    public get pagemax(): number {
+        return this._pagemax;
+    }
+    public set pagemax(value:number) {
+        this._pagemax = value;
+    }
+
+    success<U extends T>(data: U, msg?: string, code?: number ,pagemax?:number) {
+        this.code = code || codeList.Success;
+        this.msg = msg || msgList.Success;
+        this.data = data;
+        this.pagemax= pagemax||1
+        return {
+            code: this.code,
+            msg: this.msg,
+            data: this.data,
+            pagemax:this.pagemax
+        }
+    }
+
+
+    error<U extends T>(data: U, msg?: string, code?: number) {
+        this.code = code || codeList.Error;
+        this.msg = msg || msgList.SystemError;
+        this.data = data;
+        return {
+            code: this.code,
+            msg: this.msg,
+            data: this.data,
+        }
+    }
+}

历届学生/front-end-team-11/项目开发/学生项目/贡婉宝/博客01/后端/src/utils/log.ts

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+import log4 from 'koa-log4'
+import config from '@/config'
+log4.configure(config.logConfig)
+
+export class Log {
+
+    /**
+     * 系统级日志
+     */
+    public static AccessLogger() {
+        return log4.koaLogger(log4.getLogger('access'), { level: 'auto' });
+    }
+
+    /**
+     * 应用级别的日志
+     * @constructor
+     */
+    public static ApplicationLogger() {
+        return log4.getLogger('application')
+    }
+
+}

历届学生/front-end-team-11/项目开发/学生项目/贡婉宝/博客01/后端/src/utils/orm.ts

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+import { EntityTarget, ObjectLiteral, DataSource, Repository, EntityManager, QueryRunner, SelectQueryBuilder } from "typeorm";
+import config from '@/config'
+import { Service } from 'typedi'
+
+@Service()
+export class Entity {
+    // 使用 存储库 查询
+    get<T extends ObjectLiteral>(entity: EntityTarget<T>): Repository<T> {
+        return (<DataSource><unknown>config.orm).getRepository(entity)
+    }
+
+    // 基于 实体管理器 创建 QueryBuilder
+    manager<T extends ObjectLiteral>(entity: EntityTarget<T> | any): SelectQueryBuilder<T> {
+        return (<DataSource><unknown>config.orm).manager.createQueryBuilder(entity,entity.name.toLowerCase())
+    }
+
+    // 基于 数据源 创建 QueryBuilder
+    source(queryRunner?: QueryRunner): SelectQueryBuilder<any> {
+        return (<DataSource><unknown>config.orm).createQueryBuilder(queryRunner)
+    }
+
+    // 基于 存储库 使用  QueryBuilder
+    repository<T extends ObjectLiteral>(entity: EntityTarget<T> | any): SelectQueryBuilder<ObjectLiteral> {
+       return (<DataSource><unknown>config.orm).getRepository(entity).createQueryBuilder(entity.name.toLowerCase())
+    }
+}

历届学生/front-end-team-11/项目开发/学生项目/贡婉宝/博客01/后端/src/utils/segment.ts

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+//@ts-ignore
+import segment from 'segment'
+import { Service, Inject } from 'typedi'
+
+@Service()
+export class Segment {
+    seg: segment;
+    constructor() {
+        this.seg = new segment()
+        this.seg.useDefault();
+    }
+
+    ik(text: string): { w: string, p: number }[] {
+        return this.seg.doSegment(text)
+    }
+}