Merge pull request #7247 from owncloud/sharing_cleanup_step1

clean up the sharing ajax calls, add mail notification class

2 files changed, 173 insertions, 99 deletions

diff --git a/core/ajax/share.php b/core/ajax/share.php
index c251f8e7bae..86ee018e388 100644
--- a/core/ajax/share.php
+++ b/core/ajax/share.php
@@ -85,93 +85,32 @@ if (isset($_POST['action']) && isset($_POST['itemType']) && isset($_POST['itemSo
 			}
 			break;
 		case 'informRecipients':
-
 			$l = OC_L10N::get('core');
-
 			$shareType = (int) $_POST['shareType'];
 			$itemType = $_POST['itemType'];
 			$itemSource = $_POST['itemSource'];
 			$recipient = $_POST['recipient'];
-			$ownerDisplayName = \OCP\User::getDisplayName();
-			$from = \OCP\Util::getDefaultEmailAddress('sharing-noreply');
-
-			$noMail = array();
-			$recipientList = array();
 
 			if($shareType === \OCP\Share::SHARE_TYPE_USER) {
 				$recipientList[] = $recipient;
 			} elseif ($shareType === \OCP\Share::SHARE_TYPE_GROUP) {
 				$recipientList = \OC_Group::usersInGroup($recipient);
 			}
-
 			// don't send a mail to the user who shared the file
 			$recipientList = array_diff($recipientList, array(\OCP\User::getUser()));
 
-			// send mail to all recipients with an email address
-			foreach ($recipientList as $recipient) {
-				//get correct target folder name
-				$email = OC_Preferences::getValue($recipient, 'settings', 'email', '');
-
-				if ($email !== '') {
-					$displayName = \OCP\User::getDisplayName($recipient);
-					$items = \OCP\Share::getItemSharedWithUser($itemType, $itemSource, $recipient);
-					$filename = trim($items[0]['file_target'], '/');
-					$subject = (string)$l->t('%s shared »%s« with you', array($ownerDisplayName, $filename));
-					$expiration = null;
-					if (isset($items[0]['expiration'])) {
-						try {
-							$date = new DateTime($items[0]['expiration']);
-							$expiration = $l->l('date', $date->getTimestamp());
-						} catch (Exception $e) {
-							\OCP\Util::writeLog('sharing', "Couldn't read date: " . $e->getMessage(), \OCP\Util::ERROR);
-						}
-					}
-
-					if ($itemType === 'folder') {
-						$foldername = "/Shared/" . $filename;
-					} else {
-						// if it is a file we can just link to the Shared folder,
-						// that's the place where the user will find the file
-						$foldername = "/Shared";
-					}
-
-					$link = \OCP\Util::linkToAbsolute('files', 'index.php', array("dir" => $foldername));
-
-					$content = new OC_Template("core", "mail", "");
-					$content->assign('link', $link);
-					$content->assign('user_displayname', $ownerDisplayName);
-					$content->assign('filename', $filename);
-					$content->assign('expiration', $expiration);
-					$text = $content->fetchPage();
-
-					$content = new OC_Template("core", "altmail", "");
-					$content->assign('link', $link);
-					$content->assign('user_displayname', $ownerDisplayName);
-					$content->assign('filename', $filename);
-					$content->assign('expiration', $expiration);
-					$alttext = $content->fetchPage();
-
-					$default_from = OCP\Util::getDefaultEmailAddress('sharing-noreply');
-					$from = OCP\Config::getUserValue(\OCP\User::getUser(), 'settings', 'email', $default_from);
-
-					// send it out now
-					try {
-						OCP\Util::sendMail($email, $displayName, $subject, $text, $from, $ownerDisplayName, 1, $alttext);
-					} catch (Exception $exception) {
-						$noMail[] = \OCP\User::getDisplayName($recipient);
-					}
-				}
-			}
+			$mailNotification = new OC\Share\MailNotifications();
+			$result = $mailNotification->sendInternalShareMail($recipientList, $itemSource, $itemType);
 
 			\OCP\Share::setSendMailStatus($itemType, $itemSource, $shareType, true);
 
-			if (empty($noMail)) {
+			if (empty($result)) {
 				OCP\JSON::success();
 			} else {
 				OCP\JSON::error(array(
 					'data' => array(
 						'message' => $l->t("Couldn't send mail to following users: %s ",
-								implode(', ', $noMail)
+								implode(', ', $result)
 								)
 						)
 					));
@@ -187,56 +126,31 @@ if (isset($_POST['action']) && isset($_POST['itemType']) && isset($_POST['itemSo
 			break;
 
 		case 'email':
-			// enable l10n support
-			$l = OC_L10N::get('core');
 			// read post variables
-			$user = OCP\USER::getUser();
-			$displayName = OCP\User::getDisplayName();
-			$type = $_POST['itemType'];
 			$link = $_POST['link'];
 			$file = $_POST['file'];
 			$to_address = $_POST['toaddress'];
 
+			$mailNotification = new \OC\Share\MailNotifications();
+
 			$expiration = null;
 			if (isset($_POST['expiration']) && $_POST['expiration'] !== '') {
 				try {
 					$date = new DateTime($_POST['expiration']);
-					$expiration = $l->l('date', $date->getTimestamp());
+					$expiration = $date->getTimestamp();
 				} catch (Exception $e) {
 					\OCP\Util::writeLog('sharing', "Couldn't read date: " . $e->getMessage(), \OCP\Util::ERROR);
 				}
 
 			}
 
-			// setup the email
-			$subject = (string)$l->t('%s shared »%s« with you', array($displayName, $file));
-
-			$content = new OC_Template("core", "mail", "");
-			$content->assign ('link', $link);
-			$content->assign ('type', $type);
-			$content->assign ('user_displayname', $displayName);
-			$content->assign ('filename', $file);
-			$content->assign('expiration', $expiration);
-			$text = $content->fetchPage();
-
-			$content = new OC_Template("core", "altmail", "");
-			$content->assign ('link', $link);
-			$content->assign ('type', $type);
-			$content->assign ('user_displayname', $displayName);
-			$content->assign ('filename', $file);
-			$content->assign('expiration', $expiration);
-			$alttext = $content->fetchPage();
-
-			$default_from = OCP\Util::getDefaultEmailAddress('sharing-noreply');
-			$from_address = OCP\Config::getUserValue($user, 'settings', 'email', $default_from );
-
-			// send it out now
-			try {
-				OCP\Util::sendMail($to_address, $to_address, $subject, $text, $from_address, $displayName, 1, $alttext);
-				OCP\JSON::success();
-			} catch (Exception $exception) {
-				OCP\JSON::error(array('data' => array('message' => OC_Util::sanitizeHTML($exception->getMessage()))));
+			$result = $mailNotification->sendLinkShareMail($to_address, $file, $link, $expiration);
+			if($result === true) {
+				\OCP\JSON::success();
+			} else {
+				\OCP\JSON::error(array('data' => array('message' => OC_Util::sanitizeHTML($result))));
 			}
+
 			break;
 	}
 } else if (isset($_GET['fetch'])) {
diff --git a/lib/private/share/mailnotifications.php b/lib/private/share/mailnotifications.php
new file mode 100644
index 00000000000..360376294cc
--- /dev/null
+++ b/lib/private/share/mailnotifications.php
@@ -0,0 +1,160 @@
+<?php
+/**
+* ownCloud
+*
+* @author Bjoern Schiessle
+* @copyright 2014 Bjoern Schiessle <schiessle@owncloud.com>
+*
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
+* License as published by the Free Software Foundation; either
+* version 3 of the License, or any later version.
+*
+* This library is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
+*
+* You should have received a copy of the GNU Affero General Public
+* License along with this library.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+namespace OC\Share;
+
+class MailNotifications {
+
+	private $senderId;    // sender userId
+	private $from;        // sender email address
+	private $senderDisplayName;
+	private $l;
+
+	/**
+	 *
+	 * @param string $recipient user id
+	 * @param string $sender user id (if nothing is set we use the currently logged-in user)
+	 */
+	public function __construct($sender = null) {
+		$this->l = \OC_L10N::get('core');
+
+		$this->senderId = $sender;
+
+		$this->from = \OCP\Util::getDefaultEmailAddress('sharing-noreply');
+		if ($this->senderId) {
+			$this->from = \OCP\Config::getUserValue($this->senderId, 'settings', 'email', $this->from);
+			$this->senderDisplayName = \OCP\User::getDisplayName($this->senderId);
+		} else {
+			$this->senderDisplayName = \OCP\User::getDisplayName();
+		}
+	}
+
+	/**
+	 * @brief inform users if a file was shared with them
+	 *
+	 * @param array $recipientList list of recipients
+	 * @param type $itemSource shared item source
+	 * @param type $itemType shared item type
+	 * @return array list of user to whom the mail send operation failed
+	 */
+	public function sendInternalShareMail($recipientList, $itemSource, $itemType) {
+
+		$noMail = array();
+
+		foreach ($recipientList as $recipient) {
+			$recipientDisplayName = \OCP\User::getDisplayName($recipient);
+			$to = \OC_Preferences::getValue($recipient, 'settings', 'email', '');
+
+			if ($to === '') {
+				$noMail[] = $recipientDisplayName;
+				continue;
+			}
+
+			$items = \OCP\Share::getItemSharedWithUser($itemType, $itemSource, $recipient);
+			$filename = trim($items[0]['file_target'], '/');
+			$subject = (string) $this->l->t('%s shared »%s« with you', array($this->senderDisplayName, $filename));
+			$expiration = null;
+			if (isset($items[0]['expiration'])) {
+				try {
+					$date = new DateTime($items[0]['expiration']);
+					$expiration = $date->getTimestamp();
+				} catch (\Exception $e) {
+					\OCP\Util::writeLog('sharing', "Couldn't read date: " . $e->getMessage(), \OCP\Util::ERROR);
+				}
+			}
+
+			if ($itemType === 'folder') {
+				$foldername = "/Shared/" . $filename;
+			} else {
+				// if it is a file we can just link to the Shared folder,
+				// that's the place where the user will find the file
+				$foldername = "/Shared";
+			}
+
+			$link = \OCP\Util::linkToAbsolute('files', 'index.php', array("dir" => $foldername));
+
+			list($htmlMail, $alttextMail) = $this->createMailBody($filename, $link, $expiration);
+
+			// send it out now
+			try {
+				\OCP\Util::sendMail($to, $recipientDisplayName, $subject, $htmlMail, $this->from, $this->senderDisplayName, 1, $alttextMail);
+			} catch (\Exception $e) {
+				\OCP\Util::writeLog('sharing', "Can't send mail to inform the user abaut an internal share: " . $e->getMessage() , \OCP\Util::ERROR);
+				$noMail[] = $recipientDisplayName;
+			}
+		}
+
+		return $noMail;
+
+	}
+
+	/**
+	 * @brief inform recipient about public link share
+	 *
+	 * @param string recipient recipient email address
+	 * @param string $filename the shared file
+	 * @param string $link the public link
+	 * @param int $expiration expiration date (timestamp)
+	 * @return mixed $result true or error message
+	 */
+	public function sendLinkShareMail($recipient, $filename, $link, $expiration) {
+		$subject = (string)$this->l->t('%s shared »%s« with you', array($this->senderDisplayName, $filename));
+		list($htmlMail, $alttextMail) = $this->createMailBody($filename, $link, $expiration);
+		try {
+			\OCP\Util::sendMail($recipient, $recipient, $subject, $htmlMail, $this->from, $this->senderDisplayName, 1, $alttextMail);
+		} catch (\Exception $e) {
+			\OCP\Util::writeLog('sharing', "Can't send mail with public link: " . $e->getMessage(), \OCP\Util::ERROR);
+			return $e->getMessage();
+		}
+
+		return true;
+	}
+
+	/**
+	 * @brief create mail body for plain text and html mail
+	 *
+	 * @param string $filename the shared file
+	 * @param string $link link to the shared file
+	 * @param int $expiration expiration date (timestamp)
+	 * @return array with the html mail body and the plain text mail body
+	 */
+	private function createMailBody($filename, $link, $expiration) {
+
+		$formatedDate = $expiration ? $this->l->l('date', $expiration) : null;
+
+		$html = new \OC_Template("core", "mail", "");
+		$html->assign ('link', $link);
+		$html->assign ('user_displayname', $this->senderDisplayName);
+		$html->assign ('filename', $filename);
+		$html->assign('expiration',  $formatedDate);
+		$htmlMail = $html->fetchPage();
+
+		$alttext = new \OC_Template("core", "altmail", "");
+		$alttext->assign ('link', $link);
+		$alttext->assign ('user_displayname', $this->senderDisplayName);
+		$alttext->assign ('filename', $filename);
+		$alttext->assign('expiration', $formatedDate);
+		$alttextMail = $alttext->fetchPage();
+
+		return array($htmlMail, $alttextMail);
+	}
+
+}