Send mail for new users

* supply mail address
* send mail with username and URL to that mail address
* option to temporary enable this feature

settings/application.php

@@ -83,7 +83,12 @@ class Application extends App {
 				$c->query('UserSession'),
 				$c->query('Config'),
 				$c->query('IsAdmin'),
-				$c->query('L10N')
+				$c->query('L10N'),
+				$c->getServer()->getLogger(),
+				$c->query('Defaults'),
+				$c->query('Mail'),
+				$c->query('DefaultMailAddress'),
+				$c->getServer()->getURLGenerator()
 			);
 		});
 

settings/controller/userscontroller.php

@@ -15,10 +15,13 @@ use OC\User\Manager;
 use OC\User\User;
 use \OCP\AppFramework\Controller;
 use OCP\AppFramework\Http\DataResponse;
+use OCP\AppFramework\Http\TemplateResponse;
 use OCP\IConfig;
 use OCP\IGroupManager;
 use OCP\IL10N;
+use OCP\ILogger;
 use OCP\IRequest;
+use OCP\IURLGenerator;
 use OCP\IUser;
 use OCP\IUserManager;
 use OCP\IUserSession;
@@ -39,6 +42,16 @@ class UsersController extends Controller {
 	private $groupManager;
 	/** @var IConfig */
 	private $config;
+	/** @var ILogger */
+	private $log;
+	/** @var \OC_Defaults */
+	private $defaults;
+	/** @var \OC_Mail */
+	private $mail;
+	/** @var string */
+	private $fromMailAddress;
+	/** @var IURLGenerator */
+	private $urlGenerator;
 
 	/**
 	 * @param string $appName
@@ -49,6 +62,10 @@ class UsersController extends Controller {
 	 * @param IConfig $config
 	 * @param bool $isAdmin
 	 * @param IL10N $l10n
+	 * @param ILogger $log
+	 * @param \OC_Defaults $defaults
+	 * @param \OC_Mail $mail
+	 * @param string $fromMailAddress
 	 */
 	public function __construct($appName,
 								IRequest $request,
@@ -57,7 +74,12 @@ class UsersController extends Controller {
 								IUserSession $userSession,
 								IConfig $config,
 								$isAdmin,
-								IL10N $l10n) {
+								IL10N $l10n,
+								ILogger $log,
+								\OC_Defaults $defaults,
+								\OC_Mail $mail,
+								$fromMailAddress,
+								IURLGenerator $urlGenerator) {
 		parent::__construct($appName, $request);
 		$this->userManager = $userManager;
 		$this->groupManager = $groupManager;
@@ -65,6 +87,11 @@ class UsersController extends Controller {
 		$this->config = $config;
 		$this->isAdmin = $isAdmin;
 		$this->l10n = $l10n;
+		$this->log = $log;
+		$this->defaults = $defaults;
+		$this->mail = $mail;
+		$this->fromMailAddress = $fromMailAddress;
+		$this->urlGenerator = $urlGenerator;
 	}
 
 	/**
@@ -164,12 +191,23 @@ class UsersController extends Controller {
 	 * @param string $username
 	 * @param string $password
 	 * @param array $groups
+	 * @param string $email
 	 * @return DataResponse
 	 *
 	 * TODO: Tidy up and write unit tests - code is mainly static method calls
 	 */
-	public function create($username, $password, array $groups) {
+	public function create($username, $password, array $groups=array(), $email='') {
 
+		if($email !== '' && !$this->mail->validateAddress($email)) {
+			return new DataResponse(
+				array(
+					'message' => (string)$this->l10n->t('Invalid mail address')
+				),
+				Http::STATUS_UNPROCESSABLE_ENTITY
+			);
+		}
+
+		// TODO FIXME get rid of the static calls to OC_Subadmin
 		if (!$this->isAdmin) {
 			if (!empty($groups)) {
 				foreach ($groups as $key => $group) {
@@ -195,13 +233,49 @@ class UsersController extends Controller {
 		}
 
 		if($user instanceof User) {
-			foreach( $groups as $groupName ) {
-				$group = $this->groupManager->get($groupName);
+			if($groups !== null) {
+				foreach( $groups as $groupName ) {
+					$group = $this->groupManager->get($groupName);
+
+					if(empty($group)) {
+						$group = $this->groupManager->createGroup($groupName);
+					}
+					$group->addUser($user);
+				}
+			}
+			/**
+			 * Send new user mail only if a mail is set
+			 */
+			if($email !== '') {
+				$this->config->setUserValue($username, 'settings', 'email', $email);
+
+				// data for the mail template
+				$mailData = array(
+					'username' => $username,
+					'url' => $this->urlGenerator->getAbsoluteURL('/')
+				);
+
+				$mail = new TemplateResponse('settings', 'email.new_user', $mailData, 'blank');
+				$mailContent = $mail->render();
+
+				$mail = new TemplateResponse('settings', 'email.new_user_plain_text', $mailData, 'blank');
+				$plainTextMailContent = $mail->render();
+
+				$subject = $this->l10n->t('Your %s account was created', [$this->defaults->getName()]);
 
-				if(empty($group)) {
-					$group = $this->groupManager->createGroup($groupName);
+				try {
+					$this->mail->send(
+						$email,
+						$username,
+						$subject,
+						$mailContent,
+						$this->fromMailAddress,
+						$this->defaults->getName(),
+						1,
+						$plainTextMailContent);
+				} catch(\Exception $e) {
+					$this->log->error("Can't send new user mail to $email: " . $e->getMessage(), array('app' => 'settings'));
 				}
-				$group->addUser($user);
 			}
 		}
 

settings/js/users/users.js

@@ -690,6 +690,7 @@ $(document).ready(function () {
 		event.preventDefault();
 		var username = $('#newusername').val();
 		var password = $('#newuserpassword').val();
+		var email = $('#newemail').val();
 		if ($.trim(username) === '') {
 			OC.dialogs.alert(
 				t('settings', 'A valid username must be provided'),
@@ -702,14 +703,24 @@ $(document).ready(function () {
 				t('settings', 'Error creating user'));
 			return false;
 		}
-		var groups = $('#newusergroups').val();
+		if(!$('#CheckboxMailOnUserCreate').is(':checked')) {
+			email = '';
+		}
+		if ($('#CheckboxMailOnUserCreate').is(':checked') && $.trim(email) === '') {
+			OC.dialogs.alert(
+				t('settings', 'A valid email must be provided'),
+				t('settings', 'Error creating user'));
+			return false;
+		}
+		var groups = $('#newusergroups').val() || [];
 		$('#newuser').get(0).reset();
 		$.post(
 			OC.generateUrl('/settings/users/users'),
 			{
 				username: username,
 				password: password,
-				groups: groups
+				groups: groups,
+				email: email
 			},
 			function (result) {
 				if (result.groups) {
@@ -769,6 +780,14 @@ $(document).ready(function () {
 			$("#userlist .userBackend").hide();
 		}
 	});
+	// Option to display/hide the "E-Mail" input field
+	$('#CheckboxMailOnUserCreate').click(function() {
+		if ($('#CheckboxMailOnUserCreate').is(':checked')) {
+			$("#newemail").show();
+		} else {
+			$("#newemail").hide();
+		}
+	});
 
 	// trigger loading of users on startup
 	UserList.update(UserList.currentGid);

settings/templates/email.new_user.php

@@ -0,0 +1,36 @@
+<table cellspacing="0" cellpadding="0" border="0" width="100%">
+	<tr><td>
+			<table cellspacing="0" cellpadding="0" border="0" width="600px">
+				<tr>
+					<td bgcolor="<?php p($theme->getMailHeaderColor());?>" width="20px">&nbsp;</td>
+					<td bgcolor="<?php p($theme->getMailHeaderColor());?>">
+						<img src="<?php p(OC_Helper::makeURLAbsolute(image_path('', 'logo-mail.gif'))); ?>" alt="<?php p($theme->getName()); ?>"/>
+					</td>
+				</tr>
+				<tr><td colspan="2">&nbsp;</td></tr>
+				<tr>
+					<td width="20px">&nbsp;</td>
+					<td style="font-weight:normal; font-size:0.8em; line-height:1.2em; font-family:verdana,'arial',sans;">
+						<?php
+						print_unescaped($l->t('Hey there,<br><br>just letting you know that you now have an %s account.<br><br>Your username: %s<br>Access it: <a href="%s">%s</a><br><br>', array($theme->getName(), $_['username'], $_['url'], $_['url'])));
+
+						// TRANSLATORS term at the end of a mail
+						p($l->t('Cheers!'));
+						?>
+					</td>
+				</tr>
+				<tr><td colspan="2">&nbsp;</td></tr>
+				<tr>
+					<td width="20px">&nbsp;</td>
+					<td style="font-weight:normal; font-size:0.8em; line-height:1.2em; font-family:verdana,'arial',sans;">--<br>
+						<?php p($theme->getName()); ?> -
+						<?php p($theme->getSlogan()); ?>
+						<br><a href="<?php p($theme->getBaseUrl()); ?>"><?php p($theme->getBaseUrl());?></a>
+					</td>
+				</tr>
+				<tr>
+					<td colspan="2">&nbsp;</td>
+				</tr>
+			</table>
+		</td></tr>
+</table>

settings/templates/email.new_user_plain_text.php

@@ -0,0 +1,10 @@
+<?php
+print_unescaped($l->t("Hey there,\n\njust letting you know that you now have an %s account.\n\nYour username: %s\nAccess it: %s\n\n", array($theme->getName(), $_['username'], $_['url'])));
+
+// TRANSLATORS term at the end of a mail
+p($l->t("Cheers!"));
+?>
+
+	--
+<?php p($theme->getName() . ' - ' . $theme->getSlogan()); ?>
+<?php print_unescaped("\n".$theme->getBaseUrl());

settings/templates/users/main.php

@@ -62,6 +62,12 @@ translation('settings');
 						<?php p($l->t('Show user backend')) ?>
 					</label>
 				</p>
+				<p>
+					<input type="checkbox" name="MailOnUserCreate" value="MailOnUserCreate" id="CheckboxMailOnUserCreate">
+					<label for="CheckboxMailOnUserCreate">
+						<?php p($l->t('Send mail to new user')) ?>
+					</label>
+				</p>
 			</div>
 		</div>
 	</div>

settings/templates/users/part.createuser.php

@@ -7,6 +7,9 @@
 			type="password" id="newuserpassword"
 			placeholder="<?php p($l->t('Password'))?>"
 			autocomplete="off" autocapitalize="off" autocorrect="off" />
+		<input id="newemail" type="text" style="display:none"
+			   placeholder="<?php p($l->t('E-Mail'))?>"
+			   autocomplete="off" autocapitalize="off" autocorrect="off" />
 		<select
 			class="groupsselect" id="newusergroups" data-placeholder="groups"
 			title="<?php p($l->t('Groups'))?>" multiple="multiple">