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@ -1,39 +1,57 @@ |
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import * as fs from 'fs'; |
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import * as path from 'path'; |
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import { ConfigurationService } from '@ghostfolio/api/services/configuration.service'; |
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import { DEFAULT_LANGUAGE_CODE } from '@ghostfolio/common/config'; |
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import { Injectable, Logger, NestMiddleware } from '@nestjs/common'; |
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import { Injectable, NestMiddleware } from '@nestjs/common'; |
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import { NextFunction, Request, Response } from 'express'; |
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@Injectable() |
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export class FrontendMiddleware implements NestMiddleware { |
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use(req: Request, res: Response, next: NextFunction) { |
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if (req.url.includes('cover.png')) { |
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Logger.log(`Referer: ${req.headers.referer}`, 'FrontendMiddleware'); |
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// Resolve feature graphic for blog post
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if (req.headers.referer?.includes('500-stars-on-github')) { |
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res.sendFile( |
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path.join( |
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__dirname, |
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'..', |
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'client', |
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'assets', |
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'images', |
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'blog', |
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'500-stars-on-github.jpg' |
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) |
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); |
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} else { |
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// Skip
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next(); |
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} |
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} else if (req.path.startsWith('/api/') || this.isFileRequest(req.url)) { |
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public indexHtmlDe = fs.readFileSync( |
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this.getPathOfIndexHtmlFile('de'), |
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'utf8' |
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); |
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public indexHtmlEn = fs.readFileSync( |
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this.getPathOfIndexHtmlFile(DEFAULT_LANGUAGE_CODE), |
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'utf8' |
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); |
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public constructor( |
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private readonly configurationService: ConfigurationService |
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) {} |
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public use(req: Request, res: Response, next: NextFunction) { |
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let featureGraphicPath = 'assets/cover.png'; |
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if ( |
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req.path === '/en/blog/2022/08/500-stars-on-github' || |
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req.path === '/en/blog/2022/08/500-stars-on-github/' |
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) { |
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featureGraphicPath = 'assets/images/blog/500-stars-on-github.jpg'; |
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} |
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if (req.path.startsWith('/api/') || this.isFileRequest(req.url)) { |
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// Skip
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next(); |
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} else if (req.path.startsWith('/de/')) { |
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res.sendFile(this.getPathOfIndexHtmlFile('de')); |
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} else if (req.path === '/de' || req.path.startsWith('/de/')) { |
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res.send( |
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this.interpolate(this.indexHtmlDe, { |
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featureGraphicPath, |
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languageCode: 'de', |
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path: req.path, |
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rootUrl: this.configurationService.get('ROOT_URL') |
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}) |
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); |
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} else { |
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res.sendFile(this.getPathOfIndexHtmlFile(DEFAULT_LANGUAGE_CODE)); |
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res.send( |
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this.interpolate(this.indexHtmlEn, { |
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featureGraphicPath, |
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languageCode: DEFAULT_LANGUAGE_CODE, |
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path: req.path, |
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rootUrl: this.configurationService.get('ROOT_URL') |
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}) |
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); |
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} |
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} |
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@ -41,6 +59,16 @@ export class FrontendMiddleware implements NestMiddleware { |
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return path.join(__dirname, '..', 'client', aLocale, 'index.html'); |
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} |
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private interpolate(template: string, context: any) { |
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return template.replace(/[$]{([^}]+)}/g, (_, objectPath) => { |
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const properties = objectPath.split('.'); |
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return properties.reduce( |
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(previous, current) => previous?.[current], |
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context |
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); |
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}); |
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} |
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private isFileRequest(filename: string) { |
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if (filename === '/assets/LICENSE') { |
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return true; |
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Thomas Kaul
3 years ago
GitHub