check file size before uploading

unitool.js

@@ -19,22 +19,22 @@ export default {
     RED: 'error',
     GREEN: 'success',
     BLUE: 'primary',
-    YELLOW: 'warning',
+    YELLOW: 'warn',
     GREY: 'info',
 
-    uAlertTips: { YELLOW: 'warning', BLUE: 'primary', RED: 'error', GREY: 'info', GREEN: 'success' },
+    // uAlertTips: { YELLOW: 'warning', BLUE: 'primary', RED: 'error', GREY: 'info', GREEN: 'success' },
-    uBadge: { RED: 'error', BLUE: 'primary', YELLOW: 'warning', GREY: 'info', GREEN: 'success' },
+    // uBadge: { RED: 'error', BLUE: 'primary', YELLOW: 'warning', GREY: 'info', GREEN: 'success' },
-    uButton: { WHITE: 'default', BLUE: 'primary', YELLOW: 'warning', RED: 'error', GREY: 'info', GREEN: 'success' },
+    // uButton: { WHITE: 'default', BLUE: 'primary', YELLOW: 'warning', RED: 'error', GREY: 'info', GREEN: 'success' },
-    uNoticeBar: { YELLOW: 'warning', BLUE: 'primary', RED: 'error', GREY: 'info', GREEN: 'success', TRANS: 'none' },
+    // uNoticeBar: { YELLOW: 'warning', BLUE: 'primary', RED: 'error', GREY: 'info', GREEN: 'success', TRANS: 'none' },
-    uTag: { BLUE: 'primary', RED: 'error', YELLOW: 'warning', GREY: 'info', GREEN: 'success' },
+    // uTag: { BLUE: 'primary', RED: 'error', YELLOW: 'warning', GREY: 'info', GREEN: 'success' },
-    uToast: { BLACK: 'default', BLUE: 'primary', YELLOW: 'warning', RED: 'error', GREY: 'info', GREEN: 'success' },
+    // uToast: { BLACK: 'default', BLUE: 'primary', YELLOW: 'warning', RED: 'error', GREY: 'info', GREEN: 'success' },
-    uTopTips: { BLUE: 'primary', RED: 'error', YELLOW: 'warning', GREY: 'info', GREEN: 'success' },
+    // uTopTips: { BLUE: 'primary', RED: 'error', YELLOW: 'warning', GREY: 'info', GREEN: 'success' },
 
-    uniBadge: { GREY: 'default', YELLOW: 'warning', BLUE: 'primary', GREEN: 'success', RED: 'error' },
+    // uniBadge: { GREY: 'default', YELLOW: 'warning', BLUE: 'primary', GREEN: 'success', RED: 'error' },
-    uniButton: { GREY: 'default', RED: 'warn', RGB: 'primary' },
+    // uniButton: { GREY: 'default', RED: 'warn', RGB: 'primary' },
-    uniPopupDialog: { GREEN: 'success', YELLOW: 'warn', RED: 'error', GREY: 'info' },
+    // uniPopupDialog: { GREEN: 'success', YELLOW: 'warn', RED: 'error', GREY: 'info' },
-    uniPopupMessage: { GREEN: 'success', YELLOW: 'warn', RED: 'error', GREY: 'info' },
+    // uniPopupMessage: { GREEN: 'success', YELLOW: 'warn', RED: 'error', GREY: 'info' },
-    uniTag: { GREY: 'default', YELLOW: 'warning', BLUE: 'primary', GREEN: 'success', RED: 'error', PURPLE: 'royal' },
+    // uniTag: { GREY: 'default', YELLOW: 'warning', BLUE: 'primary', GREEN: 'success', RED: 'error', PURPLE: 'royal' },
   },
 
   thisPage () {
@@ -282,7 +282,7 @@ export default {
   },
 
   async pickupFile2Server ({
-    mediaType = 'image',
+    mediaType = 'image', // could be: image, video, array of supported extensions, anything else
     count = 1,
     sizeType = ['original', 'compressed'],
     sourceType = ['album', 'camera'],
@@ -293,23 +293,38 @@ export default {
   } = {}) {
     // 有的管理后台不需要登录就允许上传，例如 cmctoy。因此不要在这里依赖登录状态。
 
-    let filePath
+    let filePath, fileSize
     if (mediaType === 'image') {
       let [errorChoose, { tempFilePaths, tempFiles } = {}] = await uni.chooseImage({ count, sizeType, sourceType })
+      fileSize = tempFiles?.[0]?.size
       filePath = tempFilePaths?.[0]
     } else if (mediaType === 'video') {
-      let [errorChoose, { tempFilePath }] = await uni.chooseVideo({ sourceType })
+      let [errorChoose, { tempFilePath, size, duration }] = await uni.chooseVideo({ sourceType })
+      fileSize = size
       filePath = tempFilePath
     } else {
       // #ifdef WEB
-      let [errorChoose, { tempFilePaths, tempFiles } = {}] = await uni.chooseFile({ count, type: 'all' })
+      // https://uniapp.dcloud.net.cn/api/media/file.html
+      let [errorChoose, { tempFilePaths, tempFiles } = {}] = await uni.chooseFile({ count, extension: Array.isArray(mediaType) ? mediaType : undefined, type: Array.isArray(mediaType) ? undefined : 'all' }) // 20240429 但是测试下来 extension 参数无效
+      fileSize = tempFiles?.[0]?.size
       filePath = tempFilePaths?.[0]
+      let fileExt = path.extname(tempFiles?.[0]?.name?.toLowerCase?.() || '')
+      if (Array.isArray(mediaType) && !mediaType?.includes?.(fileExt)) {
+        console.log('pickupFile2Server: UNSUPPORTED_FILETYPE ' + fileExt)
+        this.showToast({ type: this.c2t.RED, title: { zhCN: '不支持的文件后缀\n' + fileExt, enUS: 'Unsupported file extension\n' + fileExt } })
+        return { _state: 'UNSUPPORTED_FILETYPE' }
+      }
       // #endif
       // #ifndef WEB
-      return { _state: 'UNKNOWN_MEDIATYPE' }
+      return { _state: 'UNSUPPORTED_FILETYPE' }
       // #endif
     }
 
+    if (!fileSize) {
+      this.showToast({ type: this.c2t.YELLOW, title: this.localizeText({ zhCN: '文件为空，无法上传', enUS: 'Empty files cannot be uploaded' }) })
+      return { _state: 'CER_EMPTY_FILE' }
+    }
+
     if (filePath) {
       for (let key in formData) {
         // multer 不会自动处理 JSON 数据,必须前后端配合处理
@@ -334,7 +349,7 @@ export default {
       }
 
       if (data?._state === 'SUCCESS' && data?.path) {
-        // 后台送来的 baseUrl 在开发环境下，不一定符合前端实际，因为后台只知道预设的 servUrl，而前端会再根据 location.origin 来调整，所以再设置一个 fileUrl。
+        // 后台送来的 baseUrl 在开发环境下，不一定符合前端实际，因为后台只知道预设的 servUrl 例如 https://pexserver.test.tic.cc:7739/... ，而开发环境下实际上是 http://localhost:7739/... 所以再设置一个 fileUrl 来根据 location.origin 调整。// todo: 改名叫 clientUrl 或 userUrl 或 baseUrl4Client，与 baseUrl 对应
         return { _state: 'SUCCESS', fileUrl: this.make_server_url(data.path), ...data } // { path, destination, filename, fileUrl, cid?, ipfsUrl?, baseUrl?, ...file } 注意，data.path 不包含起头的 '/'
       } else {
         return { _state: 'CLIENT_FAIL_UPLOAD_FILE', error: errorUpload }
@@ -350,11 +365,13 @@ export default {
     //   return { _state: 'USER_OFFLINE', errMsg: 'offline user cannot upload files' }
     // }
 
-    let filePath, cloudPath
+    let filePath, cloudPath, fileSize
     if (mediaType === 'image') {
       let [errorChoose, { tempFilePaths, tempFiles } = {}] = await uni.chooseImage({ count, sizeType, sourceType })
-      if (!errorChoose) {
+      if (errorChoose) {
-        //      uni.showModal({ title: 'tempFilePaths[0]=' + tempFilePaths[0] })
+        return { _state: 'CER_FAIL_CHOOSE' }
+      }
+      fileSize = tempFiles?.[0]?.size
       filePath = tempFilePaths?.[0] // 在 H5 上并不是文件路径名，而是类似 "blob:http://localhost:8080/f0d3e54d-0694-4803-8097-641d76a10b0d“。// 在 iOS 上是 "_doc/uniapp_temp_1598593902955/compressed/1598593925815.png", 有时还包含从 file:/// 开始的完整路径名
       let random = crypto.randomBytes(16).toString('hex')
       // #ifndef WEB
@@ -366,11 +383,13 @@ export default {
       cloudPath = `WEB_${wo.envar.clientInfo.osName}_${random}${path.extname(tempFiles?.[0]?.name || '')}` // name is available in H5 only. 只包含文件名和后缀名，不包含路径。
       // #endif
       if (!path.extname(cloudPath)) cloudPath += '.jpg'
-      }
+
     } else if (mediaType === 'video') {
       let [errorChoose, { tempFilePath, tempFile, duration, size, width, height, name }] = await uni.chooseVideo({ sourceType, maxDuration })
-      if (!errorChoose) {
+      if (errorChoose) {
-        //      uni.showModal({ title: 'tempFilePath=' + tempFilePath })
+        return { _state: 'CER_FAIL_CHOOSE' }
+      }
+      fileSize = size
       filePath = tempFilePath // 在 iOS 上形如 "file:///var/mobile/Containers/Data/Application/55A76332-44F5-4D5F-A9F6-3F857D584883/Documents/Pandora/apps/26B43CD2F587D37FC6799108434A6F84/doc/uniapp_temp_1598596171580/gallery/IMG_3082.MOV"
       let random = crypto.randomBytes(16).toString('hex')
       // #ifndef WEB
@@ -382,20 +401,28 @@ export default {
       // iOS 上测试，filePath 为 *.MOV，而阿里云只允许 *.mp4, 所以默认添加 .mp4 后缀。参见 https://uniapp.dcloud.net.cn/uniCloud/storage?id=clouduploadfile
       // 20200915测试，阿里云支持上传 *.mov 了。
       if (!path.extname(cloudPath)) cloudPath += '.mp4'
-      }
     } else {
+      // https://uniapp.dcloud.net.cn/uniCloud/storage.html#uploadfile
       let { errMsg, tempFilePaths, tempFiles } = await uniCloud.chooseAndUploadFile({
-        type: 'all', // valid for H5 only: https://uniapp.dcloud.net.cn/uniCloud/storage.html#uploadfile
+        type: Array.isArray(mediaType) ? undefined : 'all', // valid for H5 only
+        extension: Array.isArray(mediaType) ? mediaType : undefined,
         count: 1,
         // extention: [],
         // onChooseFile: ({ errMsg, tempFilePaths, tempFiles }) => { },
         // onUploadProgress: ({ index, loaded, total, tempFilePath, tempFile }) => { }
       })
-      if (errMsg === 'chooseAndUploadFile:ok') {
+      if (errMsg !== 'chooseAndUploadFile:ok') {
-        return { _state: 'SUCCESS', fileUrl: tempFiles?.[0]?.url }
+        return { _state: 'CER_FAIL_CHOOSE' }
-      } else {
-        return { _state: 'CLIENT_FAIL_chooseAndUploadFile' }
       }
+      fileSize = tempFiles?.[0]?.size
+      if (fileSize) {
+        return { _state: 'SUCCESS', fileUrl: tempFiles?.[0]?.url }
+      }
+    }
+
+    if (!fileSize) {
+      this.showToast({ type: this.c2t.YELLOW, title: this.localizeText({ zhCN: '文件为空，无法上传', enUS: 'Empty files cannot be uploaded' }) })
+      return { _state: 'CER_EMPTY_FILE' }
     }
 
     if (filePath) {
@@ -421,7 +448,7 @@ export default {
 
   async pickupFile ({
     baseType = globalThis.wo?.envar?.baseTypeDefault || BASE_TYPE_DEFAULT,
-    mediaType = 'image',
+    mediaType = 'image', // could be image, video, array of supported extensions, anything else // 20240502 todo: rename to pickupFileType
     count = 1,
     sizeType = ['original', 'compressed'],
     sourceType = ['album', 'camera'],
@@ -442,6 +469,9 @@ export default {
 
   open_url ({ url, title, inWebview } = {}) {
     url = this.localizeText?.(url) || url
+    if (!url) {
+      return
+    }
     if (wo.envar.inPc) {
       window.open(url, '_blank')
     } else if (inWebview) {