template-10584/src/api/system/file/index.ts

import request from '@/utils/request-legacy';
import Taro from '@tarojs/taro'
import dayjs from 'dayjs';
import crypto from 'crypto-js';
import {Base64} from 'js-base64';
import {FileRecord} from "@/api/system/file/model";
import {TenantId} from "@/config/app";

export async function uploadOssByPath(filePath: string) {
  return new Promise(async (resolve) => {
    const date = new Date();
    date.setMinutes(date.getMinutes() + 1);
    const policyText = {
      expiration: date.toISOString(), // 设置policy过期时间。
      conditions: [
        // 限制上传大小。
        ["content-length-range", 0, 1024 * 1024 * 1024],
      ],
    };
    let sts = Taro.getStorageSync('sts');
    let stsExpired = Taro.getStorageSync('stsExpiredAt');
    if (!sts || (stsExpired && dayjs().isBefore(dayjs(stsExpired)))) {
      // @ts-ignore
      const {data: {data: {credentials}}} = await request.get(`https://server.websoft.top/api/oss/getSTSToken`)
      Taro.setStorageSync('sts', credentials)
      Taro.setStorageSync('stsExpiredAt', credentials.expiration)
      sts = credentials
    }
    console.log(sts)
    const [filename, ext] = filePath.split('.')
    const key = `headers/${filename + (Math.random() * 100000)}.${ext}`
    const policy = Base64.encode(JSON.stringify(policyText))
    const signature = computeSignature(sts.accessKeySecret, policy)
    Taro.uploadFile({
      url: 'https://oss.wsdns.cn',
      name: 'file',
      filePath,
      formData: {
        key,
        policy,
        OSSAccessKeyId: sts.accessKeyId,
        signature,
        'x-oss-security-token': sts.securityToken
      },
      success: () => {
        resolve(`https://oss.wsdns.cn/${key}`)
      }
    })
  })
}

const computeSignature = (accessKeySecret, canonicalString) => {
  return crypto.enc.Base64.stringify(crypto.HmacSHA1(canonicalString, accessKeySecret));
}

/**
 * 上传阿里云OSS
 */
export async function uploadFile() {
  return new Promise(async (resolve: (result: FileRecord) => void, reject) => {
    Taro.chooseImage({
      count: 1,
      sizeType: ['compressed'],
      sourceType: ['album', 'camera'],
      success: async (res) => {
        const tempFilePath = res.tempFilePaths[0];
        // 上传图片到OSS
        Taro.uploadFile({
          url: 'https://server.websoft.top/api/oss/upload',
          filePath: tempFilePath,
          name: 'file',
          header: {
            'content-type': 'application/json',
            TenantId
          },
          success: (res) => {
            try {
              const data = JSON.parse(res.data);
              if (data.code === 0) {
                resolve(data.data)
              } else {
                reject(new Error(data.message || '上传失败'))
              }
            } catch (error) {
              reject(new Error('解析响应数据失败'))
            }
          },
          fail: (err) => {
            console.log('上传请求失败', err);
            reject(new Error('上传请求失败'))
          }
        })
      },
      fail: (err) => {
        console.log('选择图片失败', err);
        reject(new Error('选择图片失败'))
      }
    });
  })

}