Enable/Disable users to change their password

.drone.yml

@@ -8,7 +8,7 @@ pipeline:
     image: nextcloudci/php7.0:php7.0-2
     environment:
       - APP_NAME=password_policy
-      - CORE_BRANCH=master
+      - CORE_BRANCH=stable15
       - DB=sqlite
     commands:
       - wget https://raw.githubusercontent.com/nextcloud/travis_ci/master/before_install.sh

.travis.yml

@@ -7,7 +7,7 @@ php:
 
 env:
   global:
-    - CORE_BRANCH=master
+    - CORE_BRANCH=stable15
     - APP_NAME=password_policy
   matrix:
     - DB=sqlite

js/settings-admin.js

@@ -92,4 +92,12 @@ $(document).ready(function(){
 		passwordPolicy.saveMinLength($(this).val());
 	});
 
+    $('#password-change').click(function() {
+        var value = '0';
+        if (this.checked) {
+            value = '1';
+        }
+        OCP.AppConfig.setValue('password_policy', 'passwordChange', value);
+    });
+
 });

lib/PasswordPolicyConfig.php

@@ -177,4 +177,29 @@ public function setEnforceHaveIBeenPwned(bool $enforceHaveIBeenPwned) {
 		$this->config->setAppValue('password_policy', 'enforceHaveIBeenPwned', $enforceHaveIBeenPwned ? '1' : '0');
 	}
 
+    /**
+     *Get method for password change
+     *
+     *@return bool
+     */
+
+    public function getPasswordChange(): bool {
+        return $this->config->getAppValue(
+                'password_policy',
+                'passwordChange',
+                '0'
+            ) === '1';
+    }
+
+    /**
+     * Enable/Disable users to change their password
+     *
+     *@param bool $passwordChange
+     */
+
+    public function setPasswordChange(bool $passwordChange) {
+        $this->config->setAppValue('password_policy', 'passwordChange', $passwordChange ? '1' : '0');
+    }
+
+
 }

lib/Settings.php

@@ -45,6 +45,7 @@ public function getForm(): TemplateResponse {
 			'enforceNumericCharacters' => $this->config->getEnforceNumericCharacters(),
 			'enforceSpecialCharacters' => $this->config->getEnforceSpecialCharacters(),
 			'enforceHaveIBeenPwned' => $this->config->getEnforceHaveIBeenPwned(),
+            'passwordChange' => $this->config->getPasswordChange(),
 		]);
 
 		return $response;

templates/settings-admin.php

@@ -63,4 +63,9 @@
 	<p class="password-policy-settings-hint">
 		<?php p($l->t('This check creates a hash of the password and sends the first 5 characters of this hash to the haveibeenpwned.com API to retrieve a list of all hashes that start with those. Then it checks on the Nextcloud instance if the password hash is in the result set.'));?>
 	</p>
+    <p id="passwordChange">
+        <input type="checkbox" name="password-change" id="password-change" class="checkbox"
+               value="1" <?php if ($_['passwordChange']) print_unescaped('checked="checked"');?> />
+        <label for="password-change"><?php p('Enable users to change their passwords');?></label><br/>
+    </p>
 </div>