From c013a1847a62ac25e2bb73d71a66df964e39f08a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C3=ABl=20Minelli?= <michael@minelli.me>
Date: Fri, 30 Jun 2023 23:01:38 +0200
Subject: [PATCH] Add Dojo validator
---
ExpressAPI/src/helpers/DojoValidators.ts | 106 +++++++++++++++++++++++
1 file changed, 106 insertions(+)
create mode 100644 ExpressAPI/src/helpers/DojoValidators.ts
diff --git a/ExpressAPI/src/helpers/DojoValidators.ts b/ExpressAPI/src/helpers/DojoValidators.ts
new file mode 100644
index 0000000..aae3e1a
--- /dev/null
+++ b/ExpressAPI/src/helpers/DojoValidators.ts
@@ -0,0 +1,106 @@
+import ApiRequest from '../models/ApiRequest';
+import Config from '../config/Config';
+import GitlabHelper from './GitlabHelper';
+import { StatusCodes } from 'http-status-codes';
+import { CustomValidator, ErrorMessage, FieldMessageFactory, Meta } from 'express-validator/src/base';
+import { BailOptions, ValidationChain } from 'express-validator/src/chain';
+
+
+declare type DojoMeta = Meta & {
+ req: ApiRequest
+};
+
+declare type DojoCustomValidator = (input: any, meta: DojoMeta) => any;
+
+
+class DojoValidators {
+ private static _instance: DojoValidators;
+
+ private constructor() { }
+
+ public static get instance(): DojoValidators {
+ if ( !DojoValidators._instance ) {
+ DojoValidators._instance = new DojoValidators();
+ }
+
+ return DojoValidators._instance;
+ }
+
+ private toValidatorSchemaOptions(arg: { errorMessage?: FieldMessageFactory | ErrorMessage, negated?: boolean, bail?: boolean | BailOptions, if?: DojoCustomValidator | ValidationChain, options?: DojoCustomValidator }) {
+ // This is a hack to make the types work with req arg as ApiRequest instead of Request
+ return arg as unknown as { errorMessage?: FieldMessageFactory | ErrorMessage, negated?: boolean, bail?: boolean | BailOptions, if?: CustomValidator | ValidationChain, options?: CustomValidator };
+ }
+
+ private getParamValue(req: ApiRequest, path: string): any {
+ return 'body' in req && path in req.body ? req.body[path] : req.query[path];
+ }
+
+ readonly nullSanitizer = this.toValidatorSchemaOptions({
+ options: (value, {
+ req,
+ location,
+ path
+ }) => {
+ try {
+ return value == 'null' || value == 'undefined' || value == '' ? null : value;
+ } catch ( e ) {
+ return value;
+ }
+ }
+ });
+
+ readonly arraySanitizer = this.toValidatorSchemaOptions({
+ options: (value, {
+ req,
+ location,
+ path
+ }) => {
+ try {
+ return JSON.parse(value);
+ } catch ( e ) {
+ return value;
+ }
+ }
+ });
+
+ readonly templateUrlValidator = this.toValidatorSchemaOptions({
+ bail : true,
+ errorMessage: 'Template doesn\'t exist or you don\'t have access to it',
+ options : (value, {
+ req,
+ location,
+ path
+ }) => {
+ return new Promise((resolve, reject) => {
+ const template = this.getParamValue(req, path);
+ if ( template ) {
+ GitlabHelper.checkTemplateAccess(template, req).then((templateAccess) => {
+ templateAccess !== StatusCodes.OK ? reject() : resolve(true);
+ });
+ }
+ resolve(true);
+ });
+ }
+ });
+
+ readonly templateUrlSanitizer = this.toValidatorSchemaOptions({
+ options: (value, {
+ req,
+ location,
+ path
+ }) => {
+ try {
+ const template = this.getParamValue(req, path);
+ if ( template ) {
+ return `${ Config.gitlab.urls[0].replace(/^([a-z]{3,5}:\/{2})?(.*)/, `$1${ Config.gitlab.account.username }:${ Config.gitlab.account.token }@$2`) }${ template }.git`;
+ }
+ } catch ( e ) { }
+
+ return value;
+ }
+ });
+
+}
+
+
+export default DojoValidators.instance;
\ No newline at end of file
--
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