62 lines
1.5 KiB
TypeScript
62 lines
1.5 KiB
TypeScript
import { existsSync, readFileSync } from 'node:fs';
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import { www_folder, index_alias } from './Webserver';
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class Mapping {
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ending: string;
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encoding: string;
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}
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const mappings: Mapping[] = [
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{ ending: 'html', encoding: 'text/html' },
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{ ending: 'js', encoding: 'text/javascript' },
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{ ending: 'css', encoding: 'text/css' },
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{ ending: 'json', encoding: 'application/json' },
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{ ending: 'ico', encoding: 'image/x-icon' },
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{ ending: 'svg', encoding: 'image/svg+xml' },
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{ ending: 'txt', encoding: 'text/plain' },
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]
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export class File {
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type: string;
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content: Buffer;
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constructor(type: string, content: Buffer) {
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this.content = content;
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this.type = type;
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}
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}
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export function file_allowed(url: string): boolean {
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let allowed: boolean = false;
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let m = url.match('\\.\\.');
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if (m == null) {
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allowed = true;
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}
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return allowed;
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}
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export function file_exists(url: string): boolean {
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if(url == '/') {
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url = index_alias;
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}
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return existsSync(www_folder + url);
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}
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export function file_get(url: string): File {
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if(url == '/') {
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url = index_alias;
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}
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return new File(get_type(url), readFileSync(www_folder + url));
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}
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function get_type(url: string): string {
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if(url == '/') {
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url = index_alias;
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}
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let type: string = 'application/octet-stream';
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let m: Mapping = mappings.find((e) => e.ending == url.split('.').pop());
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if(m != undefined) {
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type = m.encoding;
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}
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return type;
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} |