Initial commit: ERP system with advance verification fixes

2026-03-25 23:55:36 +07:00
commit 563ca12d76
5920 changed files with 828689 additions and 0 deletions
@@ -0,0 +1,126 @@
+var util = require('./util');
+// 按照文件特征值，缓存 UploadId
+var cacheKey = 'cos_sdk_upload_cache';
+var expires = 30 * 24 * 3600;
+var store;
+var cache;
+var timer;
+
+var getCache = function () {
+  var val,
+    opt = { configName: 'cos-nodejs-sdk-v5-storage' };
+  if (this.options.ConfCwd) opt.cwd = this.options.ConfCwd;
+  try {
+    var Conf = require('conf');
+    store = new Conf(opt);
+    val = store.get(cacheKey);
+  } catch (e) {}
+  if (!val || !(val instanceof Array)) val = [];
+  cache = val;
+};
+var setCache = function () {
+  try {
+    if (cache.length) store.set(cacheKey, cache);
+    else store.delete(cacheKey);
+  } catch (e) {}
+};
+
+var init = function () {
+  if (cache) return;
+  getCache.call(this);
+  // 清理太老旧的数据
+  var changed = false;
+  var now = Math.round(Date.now() / 1000);
+  for (var i = cache.length - 1; i >= 0; i--) {
+    var mtime = cache[i][2];
+    if (!mtime || mtime + expires < now) {
+      cache.splice(i, 1);
+      changed = true;
+    }
+  }
+  changed && setCache();
+};
+
+// 把缓存存到本地
+var save = function () {
+  if (timer) return;
+  timer = setTimeout(function () {
+    setCache();
+    timer = null;
+  }, 400);
+};
+
+var mod = {
+  using: {},
+  // 标记 UploadId 正在使用
+  setUsing: function (uuid) {
+    mod.using[uuid] = true;
+  },
+  // 标记 UploadId 已经没在使用
+  removeUsing: function (uuid) {
+    delete mod.using[uuid];
+  },
+  // 用上传参数生成哈希值
+  getFileId: function (FileStat, ChunkSize, Bucket, Key) {
+    if (FileStat && FileStat.FilePath && FileStat.size && FileStat.ctime && FileStat.mtime && ChunkSize) {
+      return (
+        util.md5([FileStat.FilePath].join('::')) +
+        '-' +
+        util.md5([FileStat.size, FileStat.ctime, FileStat.mtime, ChunkSize, Bucket, Key].join('::'))
+      );
+    } else {
+      return null;
+    }
+  },
+  // 用上传参数生成哈希值
+  getCopyFileId: function (copySource, sourceHeaders, ChunkSize, Bucket, Key) {
+    var size = sourceHeaders['content-length'];
+    var etag = sourceHeaders.etag || '';
+    var lastModified = sourceHeaders['last-modified'];
+    if (copySource && ChunkSize) {
+      return util.md5([copySource, size, etag, lastModified, ChunkSize, Bucket, Key].join('::'));
+    } else {
+      return null;
+    }
+  },
+  // 获取文件对应的 UploadId 列表
+  getUploadIdList: function (uuid) {
+    if (!uuid) return null;
+    init.call(this);
+    var list = [];
+    for (var i = 0; i < cache.length; i++) {
+      if (cache[i][0] === uuid) list.push(cache[i][1]);
+    }
+    return list.length ? list : null;
+  },
+  // 缓存 UploadId
+  saveUploadId: function (uuid, UploadId, limit) {
+    init.call(this);
+    if (!uuid) return;
+    // 清理没用的 UploadId
+    var part1 = uuid.substr(0, uuid.indexOf('-') + 1);
+    for (var i = cache.length - 1; i >= 0; i--) {
+      var item = cache[i];
+      if (item[0] === uuid && item[1] === UploadId) {
+        cache.splice(i, 1);
+      } else if (uuid !== item[0] && item[0].indexOf(part1) === 0) {
+        // 文件路径相同，但其他信息不同，说明文件改变了或上传参数（存储桶、路径、分片大小）变了，直接清理掉
+        cache.splice(i, 1);
+      }
+    }
+    cache.unshift([uuid, UploadId, Math.round(Date.now() / 1000)]);
+    if (cache.length > limit) cache.splice(limit);
+    save();
+  },
+  // UploadId 已用完，移除掉
+  removeUploadId: function (UploadId) {
+    init.call(this);
+    delete mod.using[UploadId];
+    for (var i = cache.length - 1; i >= 0; i--) {
+      if (cache[i][1] === UploadId) cache.splice(i, 1);
+    }
+    save();
+  },
+};
+
+module.exports = mod;