nextcloud/core/ajax/share.php

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<?php
/**
* ownCloud
*
* @author Michael Gapczynski
* @copyright 2012 Michael Gapczynski mtgap@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/>.
*/
OC_JSON::checkLoggedIn();
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OCP\JSON::callCheck();
OC_App::loadApps();
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$defaults = new \OCP\Defaults();
if (isset($_POST['action']) && isset($_POST['itemType']) && isset($_POST['itemSource'])) {
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switch ($_POST['action']) {
case 'share':
if (isset($_POST['shareType']) && isset($_POST['shareWith']) && isset($_POST['permissions'])) {
try {
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$shareType = (int)$_POST['shareType'];
$shareWith = $_POST['shareWith'];
if ($shareType === OCP\Share::SHARE_TYPE_LINK && $shareWith == '') {
$shareWith = null;
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}
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$token = OCP\Share::shareItem(
$_POST['itemType'],
$_POST['itemSource'],
$shareType,
$shareWith,
$_POST['permissions']
);
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if (is_string($token)) {
OC_JSON::success(array('data' => array('token' => $token)));
} else {
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OC_JSON::success();
}
} catch (Exception $exception) {
OC_JSON::error(array('data' => array('message' => $exception->getMessage())));
}
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}
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break;
case 'unshare':
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if (isset($_POST['shareType']) && isset($_POST['shareWith'])) {
if ((int)$_POST['shareType'] === OCP\Share::SHARE_TYPE_LINK && $_POST['shareWith'] == '') {
$shareWith = null;
} else {
$shareWith = $_POST['shareWith'];
}
$return = OCP\Share::unshare($_POST['itemType'], $_POST['itemSource'], $_POST['shareType'], $shareWith);
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($return) ? OC_JSON::success() : OC_JSON::error();
}
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break;
case 'setPermissions':
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if (isset($_POST['shareType']) && isset($_POST['shareWith']) && isset($_POST['permissions'])) {
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$return = OCP\Share::setPermissions(
$_POST['itemType'],
$_POST['itemSource'],
$_POST['shareType'],
$_POST['shareWith'],
$_POST['permissions']
);
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($return) ? OC_JSON::success() : OC_JSON::error();
}
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break;
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case 'setExpirationDate':
if (isset($_POST['date'])) {
$return = OCP\Share::setExpirationDate($_POST['itemType'], $_POST['itemSource'], $_POST['date']);
($return) ? OC_JSON::success() : OC_JSON::error();
}
break;
case 'informRecipients':
$l = OC_L10N::get('core');
$shareType = (int) $_POST['shareType'];
$itemType = $_POST['itemType'];
$itemSource = $_POST['itemSource'];
$recipient = $_POST['recipient'];
$from = \OCP\Util::getDefaultEmailAddress('sharing-noreply');
$subject = $defaults->getShareNotificationSubject($itemType);
$noMail = array();
$recipientList = array();
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if($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
array_diff($recipientList, [\OCP\User::getUser()]);
// send mail to all recipients with an email address
foreach ($recipientList as $recipient) {
//get correct target folder name
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$email = OC_Preferences::getValue($recipient, 'settings', 'email', '');
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if ($email !== '') {
$displayName = \OCP\User::getDisplayName($recipient);
$items = \OCP\Share::getItemSharedWithUser($itemType, $itemSource, $recipient);
$filename = trim($items[0]['file_target'], '/');
$expiration = null;
if (isset($items[0]['expiration'])) {
$expiration = $items[0]['expiration'];
}
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if ($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
$foldername = "/Shared";
}
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$url = \OCP\Util::linkToAbsolute('files', 'index.php', array("dir" => $foldername));
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$text = $defaults->getShareNotificationText(
\OCP\User::getDisplayName(),
$filename,
$itemType,
$url,
$expiration
);
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try {
OCP\Util::sendMail(
$email,
$displayName,
$subject,
$text,
$from,
\OCP\User::getDisplayName()
);
} catch (Exception $exception) {
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$noMail[] = \OCP\User::getDisplayName($recipient);
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}
} else {
$noMail[] = \OCP\User::getDisplayName($recipient);
}
}
\OCP\Share::setSendMailStatus($itemType, $itemSource, $shareType, true);
if (empty($noMail)) {
OCP\JSON::success();
} else {
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OCP\JSON::error(array(
'data' => array(
'message' => $l->t("Couldn't send mail to following users: %s ",
implode(', ', $noMail)
)
)
));
}
break;
case 'informRecipientsDisabled':
$itemSource = $_POST['itemSource'];
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$shareType = $_POST['shareType'];
$itemType = $_POST['itemType'];
$recipient = $_POST['recipient'];
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\OCP\Share::setSendMailStatus($itemType, $itemSource, $shareType, false);
OCP\JSON::success();
break;
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case 'email':
// read post variables
$user = OCP\USER::getUser();
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$displayName = OCP\User::getDisplayName();
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$type = $_POST['itemType'];
$link = $_POST['link'];
$file = $_POST['file'];
$to_address = $_POST['toaddress'];
// enable l10n support
$l = OC_L10N::get('core');
// setup the email
$subject = (string)$l->t('%s shared »%s« with you', array($displayName, $file));
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$content = new OC_Template("core", "mail", "");
$content->assign ('link', $link);
$content->assign ('type', $type);
$content->assign ('user_displayname', $displayName);
$content->assign ('filename', $file);
$text = $content->fetchPage();
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$content = new OC_Template("core", "altmail", "");
$content->assign ('link', $link);
$content->assign ('type', $type);
$content->assign ('user_displayname', $displayName);
$content->assign ('filename', $file);
$alttext = $content->fetchPage();
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$default_from = OCP\Util::getDefaultEmailAddress('sharing-noreply');
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$from_address = OCP\Config::getUserValue($user, 'settings', 'email', $default_from );
// send it out now
try {
OCP\Util::sendMail($to_address, $to_address, $subject, $text, $from_address, $displayName, 1, $alttext);
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OCP\JSON::success();
} catch (Exception $exception) {
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OCP\JSON::error(array('data' => array('message' => OC_Util::sanitizeHTML($exception->getMessage()))));
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}
break;
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}
} else if (isset($_GET['fetch'])) {
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switch ($_GET['fetch']) {
case 'getItemsSharedStatuses':
if (isset($_GET['itemType'])) {
$return = OCP\Share::getItemsShared($_GET['itemType'], OCP\Share::FORMAT_STATUSES);
is_array($return) ? OC_JSON::success(array('data' => $return)) : OC_JSON::error();
}
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break;
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case 'getItem':
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if (isset($_GET['itemType'])
&& isset($_GET['itemSource'])
&& isset($_GET['checkReshare'])
&& isset($_GET['checkShares'])) {
if ($_GET['checkReshare'] == 'true') {
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$reshare = OCP\Share::getItemSharedWithBySource(
$_GET['itemType'],
$_GET['itemSource'],
OCP\Share::FORMAT_NONE,
null,
true
);
} else {
$reshare = false;
}
if ($_GET['checkShares'] == 'true') {
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$shares = OCP\Share::getItemShared(
$_GET['itemType'],
$_GET['itemSource'],
OCP\Share::FORMAT_NONE,
null,
true
);
} else {
$shares = false;
}
OC_JSON::success(array('data' => array('reshare' => $reshare, 'shares' => $shares)));
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}
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break;
case 'getShareWith':
if (isset($_GET['search'])) {
$sharePolicy = OC_Appconfig::getValue('core', 'shareapi_share_policy', 'global');
$shareWith = array();
// if (OC_App::isEnabled('contacts')) {
// // TODO Add function to contacts to only get the 'fullname' column to improve performance
// $ids = OC_Contacts_Addressbook::activeIds();
// foreach ($ids as $id) {
// $vcards = OC_Contacts_VCard::all($id);
// foreach ($vcards as $vcard) {
// $contact = $vcard['fullname'];
// if (stripos($contact, $_GET['search']) !== false
// && (!isset($_GET['itemShares'])
// || !isset($_GET['itemShares'][OCP\Share::SHARE_TYPE_CONTACT])
// || !is_array($_GET['itemShares'][OCP\Share::SHARE_TYPE_CONTACT])
// || !in_array($contact, $_GET['itemShares'][OCP\Share::SHARE_TYPE_CONTACT]))) {
// $shareWith[] = array('label' => $contact, 'value' => array('shareType' => 5, 'shareWith' => $vcard['id']));
// }
// }
// }
// }
$groups = OC_Group::getGroups($_GET['search']);
if ($sharePolicy == 'groups_only') {
$usergroups = OC_Group::getUserGroups(OC_User::getUser());
$groups = array_intersect($groups, $usergroups);
}
$count = 0;
$users = array();
$limit = 0;
$offset = 0;
while ($count < 15 && count($users) == $limit) {
$limit = 15 - $count;
if ($sharePolicy == 'groups_only') {
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$users = OC_Group::DisplayNamesInGroups($groups, $_GET['search'], $limit, $offset);
} else {
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$users = OC_User::getDisplayNames($_GET['search'], $limit, $offset);
}
$offset += $limit;
foreach ($users as $uid => $displayName) {
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if ((!isset($_GET['itemShares'])
|| !is_array($_GET['itemShares'][OCP\Share::SHARE_TYPE_USER])
|| !in_array($uid, $_GET['itemShares'][OCP\Share::SHARE_TYPE_USER]))
&& $uid != OC_User::getUser()) {
$shareWith[] = array(
'label' => $displayName,
'value' => array('shareType' => OCP\Share::SHARE_TYPE_USER,
'shareWith' => $uid)
);
$count++;
}
}
}
$count = 0;
// enable l10n support
$l = OC_L10N::get('core');
foreach ($groups as $group) {
if ($count < 15) {
if (!isset($_GET['itemShares'])
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|| !isset($_GET['itemShares'][OCP\Share::SHARE_TYPE_GROUP])
|| !is_array($_GET['itemShares'][OCP\Share::SHARE_TYPE_GROUP])
|| !in_array($group, $_GET['itemShares'][OCP\Share::SHARE_TYPE_GROUP])) {
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$shareWith[] = array(
'label' => $group.' ('.$l->t('group').')',
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'value' => array(
'shareType' => OCP\Share::SHARE_TYPE_GROUP,
'shareWith' => $group
)
);
$count++;
}
} else {
break;
}
}
OC_JSON::success(array('data' => $shareWith));
}
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break;
}
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}