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* perf: memory leak * perf: workflow share buffer;Circle checker;Get file from stream * doc * remove report.md
89 lines
2.1 KiB
TypeScript
89 lines
2.1 KiB
TypeScript
import { isProduction } from '@fastgpt/global/common/system/constants';
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import fs from 'fs';
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import path from 'path';
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export const getFileMaxSize = () => {
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const mb = global.feConfigs?.uploadFileMaxSize || 1000;
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return mb * 1024 * 1024;
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};
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export const removeFilesByPaths = (paths: string[]) => {
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paths.forEach((path) => {
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fs.unlink(path, (err) => {
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if (err) {
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// console.error(err);
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}
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});
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});
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};
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export const guessBase64ImageType = (str: string) => {
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const imageTypeMap: Record<string, string> = {
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'/': 'image/jpeg',
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i: 'image/png',
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R: 'image/gif',
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U: 'image/webp',
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Q: 'image/bmp',
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P: 'image/svg+xml',
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T: 'image/tiff',
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J: 'image/jp2',
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S: 'image/x-tga',
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I: 'image/ief',
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V: 'image/vnd.microsoft.icon',
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W: 'image/vnd.wap.wbmp',
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X: 'image/x-xbitmap',
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Z: 'image/x-xpixmap',
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Y: 'image/x-xwindowdump'
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};
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const defaultType = 'image/jpeg';
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if (typeof str !== 'string' || str.length === 0) {
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return defaultType;
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}
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const firstChar = str.charAt(0);
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return imageTypeMap[firstChar] || defaultType;
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};
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export const getFileContentTypeFromHeader = (header: string): string | undefined => {
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const contentType = header.split(';')[0];
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return contentType;
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};
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export const clearDirFiles = (dirPath: string) => {
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if (!fs.existsSync(dirPath)) {
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return;
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}
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fs.rmdirSync(dirPath, {
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recursive: true
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});
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};
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export const clearTmpUploadFiles = () => {
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if (!isProduction) return;
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const tmpPath = '/tmp';
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fs.readdir(tmpPath, (err, files) => {
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if (err) return;
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for (const file of files) {
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if (file === 'v8-compile-cache-0') continue;
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const filePath = path.join(tmpPath, file);
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fs.stat(filePath, (err, stats) => {
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if (err) return;
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// 如果文件是在2小时前上传的，则认为是临时文件并删除它
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if (Date.now() - stats.mtime.getTime() > 2 * 60 * 60 * 1000) {
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fs.unlink(filePath, (err) => {
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if (err) return;
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console.log(`Deleted temp file: ${filePath}`);
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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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