[FIX] No Way to Display Password Policy on Password Reset Screen

app/lib/server/lib/PasswordPolicyClass.js

@@ -88,6 +88,41 @@ class PasswordPolicy {
 
 		return true;
 	}
+
+	getPasswordPolicy() {
+		const data = {
+			enabled: false,
+			policy: [],
+		};
+		if (this.enabled) {
+			data.enabled = true;
+			if (this.minLength >= 1) {
+				data.policy.push('get-password-policy-minLength', { minLength: this.minLength });
+			}
+			if (this.maxLength >= 1) {
+				data.policy.push('get-password-policy-maxLength', { maxLength: this.maxLength });
+			}
+			if (this.forbidRepeatingCharacters) {
+				data.policy.push('get-password-policy-forbidRepeatingCharacters');
+			}
+			if (this.forbidRepeatingCharactersCount) {
+				data.policy.push('get-password-policy-forbidRepeatingCharactersCount', { forbidRepeatingCharactersCount: this.forbidRepeatingCharactersCount });
+			}
+			if (this.mustContainAtLeastOneLowercase) {
+				data.policy.push('get-password-policy-mustContainAtLeastOneLowercase');
+			}
+			if (this.mustContainAtLeastOneUppercase) {
+				data.policy.push('get-password-policy-mustContainAtLeastOneUppercase');
+			}
+			if (this.mustContainAtLeastOneNumber) {
+				data.policy.push('get-password-policy-mustContainAtLeastOneNumber');
+			}
+			if (this.mustContainAtLeastOneSpecialCharacter) {
+				data.policy.push('get-password-policy-mustContainAtLeastOneSpecialCharacter');
+			}
+		}
+		return data;
+	}
 }
 
 export default PasswordPolicy;

app/ui-login/client/reset-password/resetPassword.html

@@ -26,5 +26,12 @@
 				<button data-loading-text="{{_ "Please_wait"}}..."  class="rc-button rc-button--primary resetpass" {{disabled}} >{{_ "Reset"}}</button>
 			</div>
 		</div>
+		{{#if passwordPolicyEnabled}}
+			<div class="wrapper">
+				{{#each passwordPolicy}}
+					<p>* {{_ this}}</p>
+				{{/each}}
+			</div>
+		{{/if}}
 	</form>
 </template>

app/ui-login/client/reset-password/resetPassword.js

@@ -4,6 +4,7 @@ import { FlowRouter } from 'meteor/kadira:flow-router';
 import { Template } from 'meteor/templating';
 import toastr from 'toastr';
 import { ReactiveDict } from 'meteor/reactive-dict';
+import { ReactiveVar } from 'meteor/reactive-var';
 
 import { modal, call } from '../../../ui-utils/client';
 import { t } from '../../../utils';
@@ -25,6 +26,12 @@ Template.resetPassword.helpers({
 			return user.requirePasswordChangeReason;
 		}
 	},
+	passwordPolicyEnabled() {
+		return Template.instance().passwordPolicyEnabled.get();
+	},
+	passwordPolicy() {
+		return Template.instance().passwordPolicyRules.get();
+	},
 });
 
 const resetPassword = (token, password) => new Promise((resolve, reject) => {
@@ -105,4 +112,12 @@ Template.resetPassword.onRendered(function() {
 
 Template.resetPassword.onCreated(function() {
 	this.state = new ReactiveDict({ password: '' });
+	this.passwordPolicyEnabled = new ReactiveVar(false);
+	this.passwordPolicyRules = new ReactiveVar();
+	Meteor.call('getPasswordPolicy', (error, result) => {
+		if (result.enabled) {
+			this.passwordPolicyEnabled.set(true);
+			this.passwordPolicyRules.set(result.policy);
+		}
+	});
 });

packages/rocketchat-i18n/i18n/en.i18n.json

@@ -1685,6 +1685,14 @@
   "Generate_new_key": "Generate a new key",
   "Generating_key": "Generating key",
   "Get_link": "Get Link",
+  "get-password-policy-forbidRepeatingCharacters": "The password should not contain repeating characters",
+  "get-password-policy-forbidRepeatingCharactersCount": "The password should not contain more than __forbidRepeatingCharactersCount__ repeating characters",
+  "get-password-policy-maxLength": "The password should be maximum __maxLength__ characters long",
+  "get-password-policy-minLength": "The password should be minimum __minLength__ characters long",
+  "get-password-policy-mustContainAtLeastOneLowercase": "The password should contain atleast one lowercase letter",
+  "get-password-policy-mustContainAtLeastOneNumber": "The password should contain atleast one number",
+  "get-password-policy-mustContainAtLeastOneSpecialCharacter": "The password should contain atleast one special character",
+  "get-password-policy-mustContainAtLeastOneUppercase": "The password should contain atleast one uppercase letter",
   "Generate_New_Link": "Generate New Link",
   "github_no_public_email": "You don't have any email as public email in your GitHub account",
   "Give_a_unique_name_for_the_custom_oauth": "Give a unique name for the custom oauth",

server/main.js

@@ -28,6 +28,7 @@ import './methods/deleteFileMessage';
 import './methods/deleteUser';
 import './methods/eraseRoom';
 import './methods/getAvatarSuggestion';
+import './methods/getPasswordPolicy';
 import './methods/getRoomById';
 import './methods/getRoomIdByNameOrId';
 import './methods/getRoomNameById';

server/methods/getPasswordPolicy.js

@@ -0,0 +1,14 @@
+import { Meteor } from 'meteor/meteor';
+
+import { passwordPolicy } from '../../app/lib';
+
+Meteor.methods({
+	getPasswordPolicy() {
+		if (!Meteor.userId()) {
+			throw new Meteor.Error('error-invalid-user', 'Invalid user', {
+				method: 'getPasswordPolicy',
+			});
+		}
+		return passwordPolicy.getPasswordPolicy();
+	},
+});