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-rw-r--r--together/node_modules/formidable/src/PersistentFile.js87
1 files changed, 87 insertions, 0 deletions
diff --git a/together/node_modules/formidable/src/PersistentFile.js b/together/node_modules/formidable/src/PersistentFile.js
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+++ b/together/node_modules/formidable/src/PersistentFile.js
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+/* eslint-disable no-underscore-dangle */
+
+'use strict';
+
+const fs = require('fs');
+const crypto = require('crypto');
+const { EventEmitter } = require('events');
+
+class PersistentFile extends EventEmitter {
+ constructor({ filepath, newFilename, originalFilename, mimetype, hashAlgorithm }) {
+ super();
+
+ this.lastModifiedDate = null;
+ Object.assign(this, { filepath, newFilename, originalFilename, mimetype, hashAlgorithm });
+
+ this.size = 0;
+ this._writeStream = null;
+
+ if (typeof this.hashAlgorithm === 'string') {
+ this.hash = crypto.createHash(this.hashAlgorithm);
+ } else {
+ this.hash = null;
+ }
+ }
+
+ open() {
+ this._writeStream = new fs.WriteStream(this.filepath);
+ this._writeStream.on('error', (err) => {
+ this.emit('error', err);
+ });
+ }
+
+ toJSON() {
+ const json = {
+ size: this.size,
+ filepath: this.filepath,
+ newFilename: this.newFilename,
+ mimetype: this.mimetype,
+ mtime: this.lastModifiedDate,
+ length: this.length,
+ originalFilename: this.originalFilename,
+ };
+ if (this.hash && this.hash !== '') {
+ json.hash = this.hash;
+ }
+ return json;
+ }
+
+ toString() {
+ return `PersistentFile: ${this._file.newFilename}, Original: ${this._file.originalFilename}, Path: ${this._file.filepath}`;
+ }
+
+ write(buffer, cb) {
+ if (this.hash) {
+ this.hash.update(buffer);
+ }
+
+ if (this._writeStream.closed) {
+ cb();
+ return;
+ }
+
+ this._writeStream.write(buffer, () => {
+ this.lastModifiedDate = new Date();
+ this.size += buffer.length;
+ this.emit('progress', this.size);
+ cb();
+ });
+ }
+
+ end(cb) {
+ if (this.hash) {
+ this.hash = this.hash.digest('hex');
+ }
+ this._writeStream.end(() => {
+ this.emit('end');
+ cb();
+ });
+ }
+
+ destroy() {
+ this._writeStream.destroy();
+ fs.unlink(this.filepath, () => {});
+ }
+}
+
+module.exports = PersistentFile;