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drive/frontend/node_modules/tus-js-client/lib.es5/node/fileSignature.js
Elijah 724d70e58b
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2 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = fingerprint;
var _crypto = require("crypto");
var fs = _interopRequireWildcard(require("fs"));
var path = _interopRequireWildcard(require("path"));
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function (e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != typeof e && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && {}.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
/**
* Generate a fingerprint for a file which will be used the store the endpoint
*
* @param {File} file
* @param {Object} options
*/
function fingerprint(file, options) {
if (Buffer.isBuffer(file)) {
// create MD5 hash for buffer type
var blockSize = 64 * 1024; // 64kb
var content = file.slice(0, Math.min(blockSize, file.length));
var hash = (0, _crypto.createHash)('md5').update(content).digest('hex');
var ret = ['node-buffer', hash, file.length, options.endpoint].join('-');
return Promise.resolve(ret);
}
if (file instanceof fs.ReadStream && file.path != null) {
return new Promise(function (resolve, reject) {
var name = path.resolve(file.path);
fs.stat(file.path, function (err, info) {
if (err) {
reject(err);
return;
}
var ret = ['node-file', name, info.size, info.mtime.getTime(), options.endpoint].join('-');
resolve(ret);
});
});
}
// fingerprint cannot be computed for file input type
return Promise.resolve(null);
}