1 files changed, 30 insertions, 2 deletions

diff --git a/client/src/app/+admin/config/edit-custom-config/edit-custom-config.component.ts b/client/src/app/+admin/config/edit-custom-config/edit-custom-config.component.ts
index 027268536..ccec89a8e 100644
--- a/client/src/app/+admin/config/edit-custom-config/edit-custom-config.component.ts
+++ b/client/src/app/+admin/config/edit-custom-config/edit-custom-config.component.ts
@@ -2,6 +2,7 @@ import { Component, OnInit } from '@angular/core'
 import { FormBuilder, FormGroup } from '@angular/forms'
 import { Router } from '@angular/router'
 import { ConfigService } from '@app/+admin/config/shared/config.service'
+import { ConfirmService } from '@app/core'
 import { ServerService } from '@app/core/server/server.service'
 import { FormReactive, USER_VIDEO_QUOTA } from '@app/shared'
 import {
@@ -61,12 +62,16 @@ export class EditCustomConfigComponent extends FormReactive implements OnInit {
     userVideoQuota: USER_VIDEO_QUOTA.MESSAGES
   }
 
+  private oldCustomJavascript: string
+  private oldCustomCSS: string
+
   constructor (
     private formBuilder: FormBuilder,
     private router: Router,
     private notificationsService: NotificationsService,
     private configService: ConfigService,
-    private serverService: ServerService
+    private serverService: ServerService,
+    private confirmService: ConfirmService
   ) {
     super()
   }
@@ -109,6 +114,9 @@ export class EditCustomConfigComponent extends FormReactive implements OnInit {
         res => {
           this.customConfig = res
 
+          this.oldCustomCSS = this.customConfig.instance.customizations.css
+          this.oldCustomJavascript = this.customConfig.instance.customizations.javascript
+
           this.updateForm()
         },
 
@@ -124,7 +132,27 @@ export class EditCustomConfigComponent extends FormReactive implements OnInit {
     return this.form.value['signupEnabled'] === true
   }
 
-  formValidated () {
+  async formValidated () {
+    const newCustomizationJavascript = this.form.value['customizationJavascript']
+    const newCustomizationCSS = this.form.value['customizationCSS']
+
+    const customizations = []
+    if (newCustomizationJavascript && newCustomizationJavascript !== this.oldCustomJavascript) customizations.push('JavaScript')
+    if (newCustomizationCSS && newCustomizationCSS !== this.oldCustomCSS) customizations.push('CSS')
+
+    if (customizations.length !== 0) {
+      const customizationsText = customizations.join('/')
+
+      const message = `You set custom ${customizationsText}. ` +
+        'This could lead to security issues or bugs if you do not understand it. ' +
+        'Are you sure you want to update the configuration?'
+      const label = `Please type "I understand the ${customizationsText} I set" to confirm.`
+      const expectedInputValue = `I understand the ${customizationsText} I set`
+
+      const confirmRes = await this.confirmService.confirmWithInput(message, label, expectedInputValue)
+      if (confirmRes === false) return
+    }
+
     const data = {
       instance: {
         name: this.form.value['instanceName'],