| 1 | /* |
| 2 | * @Author: nevin |
| 3 | * @Date: 2025-02-15 20:59:55 |
| 4 | * @LastEditTime: 2025-04-27 17:58:21 |
| 5 | * @LastEditors: nevin |
| 6 | * @Description: gzh Gzh 公众号 |
| 7 | */ |
| 8 | import { Injectable } from '@nestjs/common'; |
| 9 | import axios from 'axios'; |
| 10 | import { v4 as uuidv4 } from 'uuid'; |
| 11 | import { createHash, createHmac } from 'crypto'; |
| 12 | import { VideoUTypes } from './comment'; |
| 13 | |
| 14 | @Injectable() |
| 15 | export class GzhService { |
| 16 | private componentAppid = ''; |
| 17 | private componentAppsecret = ''; |
| 18 | constructor() {} |
| 19 | |
| 20 | /** |
| 21 | * 获取授权Token |
| 22 | * @param ticket 票据 |
| 23 | * @returns |
| 24 | */ |
| 25 | async getComponentAccessToken(ticket: string) { |
| 26 | const url = `https://api.weixin.qq.com/cgi-bin/component/api_component_token`; |
| 27 | const result = await axios.post<{ |
| 28 | component_access_token: string; // 'd30bedaa4d8eb3128cf35ddc1030e27d'; |
| 29 | expires_in: number; // 1630220614; |
| 30 | }>(url, { |
| 31 | component_appid: this.componentAppid, |
| 32 | component_appsecret: this.componentAppsecret, |
| 33 | component_verify_ticket: ticket, |
| 34 | }); |
| 35 | |
| 36 | return result.data; |
| 37 | } |
| 38 | |
| 39 | /** |
| 40 | * 刷新授权Token |
| 41 | * @param refreshToken |
| 42 | * @returns |
| 43 | */ |
| 44 | async refreshAccessToken(refreshToken: string) { |
| 45 | return null; |
| 46 | } |
| 47 | |
| 48 | /** |
| 49 | * 查询用户已授权权限列表 |
| 50 | * @returns |
| 51 | */ |
| 52 | async getAccountScopes(accessToken: string) { |
| 53 | const url = `https://member.bilibili.com/arcopen/fn/user/account/scopes`; |
| 54 | const result = await axios.get<{ |
| 55 | code: number; // 0; |
| 56 | message: string; // '0'; |
| 57 | ttl: number; // 1; |
| 58 | data: { |
| 59 | openid: string; // 'd30bedaa4d8eb3128cf35ddc1030e27d'; |
| 60 | scopes: string[]; // ['USER_INFO', 'ATC_DATA', 'ATC_BASE']; |
| 61 | }; |
| 62 | }>(url, { |
| 63 | headers: this.generateBilibiliHeader({ |
| 64 | accessToken, |
| 65 | isForm: true, |
| 66 | }), |
| 67 | }); |
| 68 | |
| 69 | return result.data.data; |
| 70 | } |
| 71 | |
| 72 | /** |
| 73 | * 生成请求头 |
| 74 | * @param data |
| 75 | */ |
| 76 | private generateBilibiliHeader(data: { |
| 77 | accessToken: string; |
| 78 | body?: { [key: string]: any }; |
| 79 | isForm?: boolean; |
| 80 | }) { |
| 81 | const { accessToken, body, isForm } = data; |
| 82 | const xBiliContentMd5 = body |
| 83 | ? createHash('md5').update(JSON.stringify(body)).digest('hex') |
| 84 | : ''; |
| 85 | |
| 86 | const header = { |
| 87 | Accept: 'application/json', |
| 88 | 'Content-Type': isForm ? 'multipart/form-data' : 'application/json', // 或者 multipart/form-data |
| 89 | 'x-bili-content-md5': xBiliContentMd5, |
| 90 | 'x-bili-timestamp': Math.floor(Date.now() / 1000), |
| 91 | 'x-bili-signature-method': 'HMAC-SHA256', |
| 92 | 'x-bili-signature-nonce': uuidv4(), |
| 93 | 'x-bili-signature-version': '1.0', |
| 94 | 'access-token': accessToken, // 需要在请求头中添加access-token |
| 95 | Authorization: '', |
| 96 | }; |
| 97 | |
| 98 | // 抽取带”x-bili-“前缀的自定义header，按字典排序拼接，构建完整的待签名字符串： |
| 99 | // 待签名字符串包含换行符\n |
| 100 | const headerStr = Object.keys(header) |
| 101 | .filter((key) => key.startsWith('x-bili-')) |
| 102 | .sort() |
| 103 | .map((key) => `${key}:${header[key]}\n`) |
| 104 | .join(''); |
| 105 | |
| 106 | // 使用 createHmac 正确创建签名 |
| 107 | const signature = createHmac('sha256', '').update(headerStr).digest('hex'); |
| 108 | |
| 109 | // 将签名加入 header |
| 110 | header.Authorization = signature; |
| 111 | |
| 112 | return header; |
| 113 | } |
| 114 | |
| 115 | /** |
| 116 | * 视频初始化 |
| 117 | * @param fileName |
| 118 | * @param utype // 1-单个小文件（不超过100M）。默认值为0 |
| 119 | * @returns |
| 120 | */ |
| 121 | async videoInit(fileName: string, utype: VideoUTypes = 0): Promise<string> { |
| 122 | const body = { |
| 123 | name: fileName, // test.mp4 |
| 124 | utype, |
| 125 | }; |
| 126 | |
| 127 | const url = `https://member.bilibili.com/arcopen/fn/archive/video/init`; |
| 128 | const result = await axios.post<{ |
| 129 | code: number; // 0; |
| 130 | message: string; // '0'; |
| 131 | ttl: number; // 1; |
| 132 | request_id: string; // '7b753a287405461f5afa526a1f672094'; |
| 133 | data: { |
| 134 | upload_token: string; // 'd30bedaa4d8eb3128cf35ddc1030e27d'; |
| 135 | }; |
| 136 | }>(url, body); |
| 137 | return result.data.data.upload_token; |
| 138 | } |
| 139 | |
| 140 | /** |
| 141 | * 封面上传 |
| 142 | * @param accessToken |
| 143 | * @param file |
| 144 | * @returns |
| 145 | */ |
| 146 | async coverUpload( |
| 147 | accessToken: string, |
| 148 | file: Express.Multer.File, |
| 149 | ): Promise<string> { |
| 150 | const url = `https://member.bilibili.com/arcopen/fn/archive/cover/upload`; |
| 151 | |
| 152 | const formData = new FormData(); |
| 153 | const blob = new Blob([file.buffer], { type: file.mimetype }); |
| 154 | formData.append('file', blob, file.originalname); |
| 155 | |
| 156 | const result = await axios.post<{ |
| 157 | code: number; // 0; |
| 158 | message: string; // '0'; |
| 159 | ttl: number; // 1; |
| 160 | request_id: string; // '7b753a287405461f5afa526a1f672094'; |
| 161 | data: { |
| 162 | url: string; // "https://archive.biliimg.com/bfs/..." |
| 163 | }; |
| 164 | }>(url, formData, { |
| 165 | headers: this.generateBilibiliHeader({ |
| 166 | accessToken: accessToken, |
| 167 | isForm: true, |
| 168 | }), |
| 169 | }); |
| 170 | return result.data.data.url; |
| 171 | } |
| 172 | |
| 173 | /** |
| 174 | * 公众号素材发布 |
| 175 | * @param accessToken |
| 176 | * @param mediaId |
| 177 | * @returns |
| 178 | */ |
| 179 | async freepublishSubmit( |
| 180 | accessToken: string, |
| 181 | mediaId: string, |
| 182 | ): Promise<string> { |
| 183 | const url = `https://api.weixin.qq.com/cgi-bin/freepublish/submit?access_token=${accessToken}`; |
| 184 | |
| 185 | const result = await axios.post<{ |
| 186 | errcode: number; // 0; |
| 187 | errmsg: string; // 'ok'; |
| 188 | publish_id: string; // '100000001'; |
| 189 | }>( |
| 190 | url, |
| 191 | { |
| 192 | media_id: mediaId, |
| 193 | }, |
| 194 | { |
| 195 | headers: this.generateBilibiliHeader({ |
| 196 | accessToken, |
| 197 | }), |
| 198 | }, |
| 199 | ); |
| 200 | return result.data.publish_id; |
| 201 | } |
| 202 | |
| 203 | /** |
| 204 | * 分区查询 |
| 205 | * @param accessToken |
| 206 | * @returns |
| 207 | */ |
| 208 | async archiveTypeList(accessToken: string) { |
| 209 | const url = `https://member.bilibili.com/arcopen/fn/archive/type/list`; |
| 210 | |
| 211 | const result = await axios.get<{ |
| 212 | code: number; // 0; |
| 213 | message: string; // '0'; |
| 214 | ttl: number; // 1; |
| 215 | request_id: string; // '35f4a1e0d3765a92510f919d0b6721dd'; |
| 216 | data: any; |
| 217 | }>(url, { |
| 218 | headers: this.generateBilibiliHeader({ |
| 219 | accessToken, |
| 220 | }), |
| 221 | }); |
| 222 | return result.data.data; |
| 223 | } |
| 224 | } |
| 225 |