rename the file to the cid
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				@ -1,5 +1,6 @@
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const multer = require('multer')
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const path = require('path')
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const fs = require('fs')
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const crypto = require('crypto')
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const wo = global.wo
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@ -26,7 +27,7 @@ module.exports = {
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        // 虽然可以把本方法写成 async 的,并且在这里调用 wo.ipfsStore.ipfs.add(file.stream) 来获取 cid,但是最后在本地存成的文件是 0字节的。因此还是用个随机数吧。
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        // 或者,干脆利用这个缺陷,直接提交到 ipfs,在本地就留着0字节文件不要使用就好了。同时,在 api.receiveFile 里,就要相应的直接返回 IPFS 网址给前端。
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        const filename =
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          `${Date.now()}-${crypto.randomBytes(16).toString('hex')}` + (path.extname(file.originalname || '') || `.${file?.mimetype?.split?.('/')?.[1]}`)
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          `${Date.now()}-${crypto.randomBytes(16).toString('hex')}` + (path.extname(file.originalname || '').toLowerCase() || `.${file?.mimetype?.split?.('/')?.[1]}`)
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        //const _passtokenSource = webtoken.verifyToken(req.headers._passtoken) || {}
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        //const filename = `${req.path.replace(/^\/api\d*/, '')}_${_passtokenSource.usid}_${Date.now()}${fileNameExtension}` // 如果最终 filename 含有 / (例如当 req.path 为 Who/todo),则必须已经存在该目录,否则在这里就出错,不会进入下面流程。
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        cb(null, filename)
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@ -57,11 +58,25 @@ module.exports = {
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          })
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          _file.cid = cid?.toString() // + path.extname(file.filename)
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          _file.ipfsUrl = `${global.wo?.envar?.ipfsGateway?.replace?.(/\/$/, '')}/${_file.cid}` // 1) 前端自己选用 cid 或 ipfsUrl。2) 在本地测试成功,但是发现第一次上传的文件,作为 ipfs url 图片在前端显示比较慢,不如作为传统服务器的快。第二次上传同样文件的ipfs前端显示就快了。
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          // rename the file to the cid
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          const newFileName = `${_file.cid}${path.extname(_file.filename)}`
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          try {
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            await fs.renameSync(
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              path.resolve(_file.path),
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              path.resolve(_file.destination, newFileName)
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            )
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            // set all properties of _file containing the original file name to the new file name
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            _file.path = _file.path?.replace?.(_file.filename, newFileName)
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            _file.baseUrl = _file.baseUrl?.replace?.(_file.filename, newFileName)
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            _file.filename = newFileName
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          } catch (e) {
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            console.log('FileLoader: rename failed: ', path.resolve(_file.filename), e)
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          }
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          return { _state: 'SUCCESS', ..._file }
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        } else {
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          return { _state: 'WOBASE_FAIL_FILE_NOT_RECEIVED' }
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        }
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    },
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      }
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    },
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  }
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}
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