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Initial previewer for public links

This commit is contained in:
Michael Gapczynski 2012-08-27 15:46:05 -04:00
parent 8374a49cc1
commit 0a9d1ed3a6
11 changed files with 178 additions and 115 deletions
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2
apps/files_sharing/css/public.css Normal file
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@ -0,0 +1,2 @@
#content { position:relative; }
#preview p { text-align: center; }

88
apps/files_sharing/get.php
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@ -1,88 +0,0 @@
<?php
// only need authentication apps
$RUNTIME_APPTYPES=array('authentication');
OC_App::loadApps($RUNTIME_APPTYPES);
OCP\JSON::checkAppEnabled('files_sharing');
//FIXME lib_share / OC_Share no longer exists
require_once 'lib_share.php';
//get the path of the shared file
if (isset($_GET['token']) && $source = OC_Share::getSource($_GET['token'])) {
$token = $_GET['token'];
// TODO Manipulating the string may not be the best choice. Is there an alternative?
$user = substr($source, 1, strpos($source, "/", 1) - 1);
OC_Util::setupFS($user);
$source = substr($source, strlen("/".$user."/files"));
$subPath = isset( $_GET['path'] ) ? $_GET['path'] : '';
$root = $source;
$source .= $subPath;
if (!OC_Filesystem::file_exists($source)) {
header("HTTP/1.0 404 Not Found");
$tmpl = new OCP\Template("", "404", "guest");
$tmpl->assign("file", $subPath);
$tmpl->printPage();
exit;
}
if (OC_Filesystem::is_dir($source)) {
$files = array();
$rootLength = strlen($root);
foreach (OC_Files::getdirectorycontent($source) as $i) {
$i['date'] = OCP\Util::formatDate($i['mtime'] );
if ($i['type'] == 'file') {
$fileinfo = pathinfo($i['name']);
$i['basename'] = $fileinfo['filename'];
$i['extension'] = isset($fileinfo['extension']) ? ('.'.$fileinfo['extension']) : '';
}
$i['directory'] = substr($i['directory'], $rootLength);
if ($i['directory'] == "/") {
$i['directory'] = "";
}
$files[] = $i;
}
// Make breadcrumb
$breadcrumb = array();
$pathtohere = "";
foreach (explode("/", $subPath) as $i) {
if ($i != "") {
$pathtohere .= "/$i";
$breadcrumb[] = array("dir" => $pathtohere, "name" => $i);
}
}
// Load the files we need
OCP\Util::addStyle("files", "files");
$breadcrumbNav = new OCP\Template("files", "part.breadcrumb", "");
$breadcrumbNav->assign("breadcrumb", $breadcrumb);
$breadcrumbNav->assign("baseURL", OCP\Util::linkTo("", "public.php")."?service=files&token=".$token."&path=");
$list = new OCP\Template("files", "part.list", "");
$list->assign("files", $files);
$list->assign("baseURL", OCP\Util::linkTo("", "public.php")."?service=files&token=".$token."&path=");
$list->assign("downloadURL", OCP\Util::linkTo("", "public.php")."?service=files&token=".$token."&path=");
$list->assign("readonly", true);
$tmpl = new OCP\Template("files", "index", "user");
$tmpl->assign("fileList", $list->fetchPage(), false);
$tmpl->assign("breadcrumb", $breadcrumbNav->fetchPage());
$tmpl->assign("readonly", true);
$tmpl->assign("allowZipDownload", false);
$tmpl->assign("dir", 'shared dir');
$tmpl->printPage();
} else {
//get time mimetype and set the headers
$mimetype = OC_Filesystem::getMimeType($source);
header("Content-Transfer-Encoding: binary");
OCP\Response::disableCaching();
header('Content-Disposition: attachment; filename="'.basename($source).'"');
header("Content-Type: " . $mimetype);
header("Content-Length: " . OC_Filesystem::filesize($source));
//download the file
@ob_clean();
//FIXME OC_Share no longer exists
OCP\Util::emitHook('OC_Share', 'public-download', array('source'=>$source, 'token'=>$token));
OC_Filesystem::readfile($source);
}
} else {
header("HTTP/1.0 404 Not Found");
$tmpl = new OCP\Template("", "404", "guest");
$tmpl->printPage();
die();
}

18
apps/files_sharing/js/public.js Normal file
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@ -0,0 +1,18 @@
// Override download path to files_sharing/public.php
function fileDownloadPath(dir, file) {
return $('#downloadURL').val();
}
$(document).ready(function() {
if (typeof FileActions !== 'undefined') {
var mimetype = $('#mimetype').val();
// Show file preview if previewer is available, images are already handled by the template
if (mimetype.substr(0, mimetype.indexOf('/')) != 'image') {
// Trigger default action if not download TODO
var action = FileActions.getDefault(mimetype, 'file', FileActions.PERMISSION_READ);
action($('#filename').val());
}
}
});

69
apps/files_sharing/public.php Normal file
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@ -0,0 +1,69 @@
<?php
// Load other apps for file previews
OC_App::loadApps();
if (isset($_GET['file'])) {
$pos = strpos($_GET['file'], '/', 1);
$uidOwner = substr($_GET['file'], 1, $pos - 1);
if (OCP\User::userExists($uidOwner)) {
OC_Util::setupFS($uidOwner);
$file = substr($_GET['file'], $pos);
$fileSource = OC_Filecache::getId($_GET['file'], '');
if ($linkItem = OCP\Share::getItemSharedWithByLink('file', $fileSource, $uidOwner)) {
if (isset($linkItem['share_with'])) {
// Check password
if (isset($_POST['password'])) {
$password = $_POST['password'];
$storedHash = $linkItem['share_with'];
$forcePortable = (CRYPT_BLOWFISH != 1);
$hasher = new PasswordHash(8, $forcePortable);
if (!($hasher->CheckPassword($password.OC_Config::getValue('passwordsalt', ''), $storedHash))) {
$tmpl = new OCP\Template('files_sharing', 'authenticate', 'guest');
$tmpl->assign('error', true);
$tmpl->printPage();
exit();
}
// Continue on if password is valid
} else {
// Prompt for password
$tmpl = new OCP\Template('files_sharing', 'authenticate', 'guest');
$tmpl->printPage();
exit();
}
}
$path = $linkItem['path'];
// Download the file
if (isset($_GET['download'])) {
$mimetype = OC_Filesystem::getMimeType($path);
header('Content-Transfer-Encoding: binary');
header('Content-Disposition: attachment; filename="'.basename($path).'"');
header('Content-Type: '.$mimetype);
header('Content-Length: '.OC_Filesystem::filesize($path));
OCP\Response::disableCaching();
@ob_clean();
OC_Filesystem::readfile($path);
} else {
OCP\Util::addStyle('files_sharing', 'public');
OCP\Util::addScript('files_sharing', 'public');
OCP\Util::addScript('files', 'fileactions');
$tmpl = new OCP\Template('files_sharing', 'public', 'guest');
$tmpl->assign('owner', $uidOwner);
$tmpl->assign('name', basename($path));
// Show file list
if (OC_Filesystem::is_dir($path)) {
// TODO
} else {
// Show file preview if viewer is available
$tmpl->assign('dir', dirname($path));
$tmpl->assign('filename', basename($path));
$tmpl->assign('mimetype', OC_Filesystem::getMimeType($path));
$tmpl->assign('downloadURL', OCP\Util::linkToPublic('files').'&file='.$_GET['file'].'&download');
}
$tmpl->printPage();
}
exit();
}
}
}
header('HTTP/1.0 404 Not Found');
$tmpl = new OCP\Template('', '404', 'guest');
$tmpl->printPage();

9
apps/files_sharing/templates/authenticate.php Normal file
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@ -0,0 +1,9 @@
<form action="index.php" method="post">
<fieldset>
<p>
<label for="password" class="infield"><?php echo $l->t('Password'); ?></label>
<input type="password" name="password" id="password" value="" />
<input type="submit" value="<?php echo $l->t('Submit'); ?>" />
</p>
</fieldset>
</form>

11
apps/files_sharing/templates/get.php
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@ -1,11 +0,0 @@
<table>
<thead>
<tr>
<th id="headerSize"><?php echo $l->t( 'Size' ); ?></th>
<th id="headerDate"><span id="modified"><?php echo $l->t( 'Modified' ); ?></span><span class="selectedActions"><a href="" class="delete"><?php echo $l->t('Delete all')?> <img class="svg" alt="<?php echo $l->t('Delete')?>" src="<?php echo OCP\image_path("core", "actions/delete.svg"); ?>" /></a></span></th>
</tr>
</thead>
<tbody id="fileList" data-readonly="<?php echo $_['readonly'];?>">
<?php echo($_['fileList']); ?>
</tbody>
</table>

13
apps/files_sharing/templates/public.php Executable file
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@ -0,0 +1,13 @@
<input type="hidden" name="dir" value="<?php echo $_['dir'] ?>" id="dir">
<input type="hidden" name="downloadURL" value="<?php echo $_['downloadURL'] ?>" id="downloadURL">
<input type="hidden" name="filename" value="<?php echo $_['filename'] ?>" id="filename">
<input type="hidden" name="mimetype" value="<?php echo $_['mimetype'] ?>" id="mimetype">
<div id="preview">
<p><?php echo $_['owner']; ?> shared the file <?php echo $_['name'] ?> with you</p>
</div>
<div id="content">
<?php if (substr($_['mimetype'], 0 , strpos($_['mimetype'], '/')) == 'image'): ?>
<img src="<?php echo $_['downloadURL']; ?>" />
<?php endif; ?>
</div>
<a href="<?php echo $_['downloadURL']; ?>">Download</a>

10
core/js/js.js
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@ -29,6 +29,16 @@ function t(app,text){
}
t.cache={};
/**
* Get the path to download a file
* @param file The filename
* @param dir The directory the file is in - e.g. $('#dir').val()
* @return string
*/
function fileDownloadPath(dir, file) {
return OC.filePath('files', 'ajax', 'download.php')+encodeURIComponent('?files='+encodeURIComponent(file)+'&dir='+encodeURIComponent(dir));
}
OC={
webroot:oc_webroot,
appswebroots:oc_appswebroots,

11
lib/helper.php
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@ -100,6 +100,17 @@ class OC_Helper {
return self::linkToAbsolute( '', 'remote.php') . '/' . $service . (($add_slash && $service[strlen($service)-1]!='/')?'/':'');
}
/**
* @brief Creates an absolute url for public use
* @param $service id
* @returns the url
*
* Returns a absolute url to the given service.
*/
public static function linkToPublic($service, $add_slash = false) {
return self::linkToAbsolute( '', 'public.php') . '?service=' . $service . (($add_slash && $service[strlen($service)-1]!='/')?'/':'');
}
/**
* @brief Creates path to an image
* @param $app app

51
lib/public/share.php
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@ -32,7 +32,7 @@ class Share {
const SHARE_TYPE_USER = 0;
const SHARE_TYPE_GROUP = 1;
const SHARE_TYPE_PRIVATE_LINK = 3;
const SHARE_TYPE_LINK = 3;
const SHARE_TYPE_EMAIL = 4;
const SHARE_TYPE_CONTACT = 5;
const SHARE_TYPE_REMOTE = 6;
@ -112,6 +112,17 @@ class Share {
return self::getItems($itemType, $itemSource, self::$shareTypeUserAndGroups, \OC_User::getUser(), null, $format, $parameters, 1, $includeCollections, true);
}
/**
* @brief Get the item of item type shared by a link
* @param string Item type
* @param string Item source
* @param string Owner of link
* @return Item
*/
public static function getItemSharedWithByLink($itemType, $itemSource, $uidOwner) {
return self::getItems($itemType, $itemSource, self::SHARE_TYPE_LINK, null, $uidOwner, self::FORMAT_NONE, null, 1);
}
/**
* @brief Get the shared items of item type owned by the current user
* @param string Item type
@ -138,7 +149,7 @@ class Share {
* @brief Share an item with a user, group, or via private link
* @param string Item type
* @param string Item source
* @param int SHARE_TYPE_USER, SHARE_TYPE_GROUP, or SHARE_TYPE_PRIVATE_LINK
* @param int SHARE_TYPE_USER, SHARE_TYPE_GROUP, or SHARE_TYPE_LINK
* @param string User or group the item is being shared with
* @param int CRUDS permissions
* @return bool Returns true on success or false on failure
@ -198,9 +209,14 @@ class Share {
$shareWith = array();
$shareWith['group'] = $group;
$shareWith['users'] = array_diff(\OC_Group::usersInGroup($group), array($uidOwner));
} else if ($shareType === self::SHARE_TYPE_PRIVATE_LINK) {
$shareWith = md5(uniqid($itemSource, true));
return self::put($itemType, $itemSource, $shareType, $shareWith, $uidOwner, $permissions);
} else if ($shareType === self::SHARE_TYPE_LINK) {
// Generate hash of password - same method as user passwords
if (isset($shareWith)) {
$forcePortable = (CRYPT_BLOWFISH != 1);
$hasher = new \PasswordHash(8, $forcePortable);
$shareWith = $hasher->HashPassword($shareWith.\OC_Config::getValue('passwordsalt', ''));
}
return self::put($itemType, $itemSource, $shareType, $shareWith, $uidOwner, $permissions);
} else if ($shareType === self::SHARE_TYPE_CONTACT) {
if (!\OC_App::isEnabled('contacts')) {
$message = 'Sharing '.$itemSource.' failed, because the contacts app is not enabled';
@ -262,7 +278,7 @@ class Share {
* @brief Unshare an item from a user, group, or delete a private link
* @param string Item type
* @param string Item source
* @param int SHARE_TYPE_USER, SHARE_TYPE_GROUP, or SHARE_TYPE_PRIVATE_LINK
* @param int SHARE_TYPE_USER, SHARE_TYPE_GROUP, or SHARE_TYPE_LINK
* @param string User or group the item is being shared with
* @return Returns true on success or false on failure
*/
@ -298,7 +314,7 @@ class Share {
* @brief Set the permissions of an item for a specific user or group
* @param string Item type
* @param string Item source
* @param int SHARE_TYPE_USER, SHARE_TYPE_GROUP, or SHARE_TYPE_PRIVATE_LINK
* @param int SHARE_TYPE_USER, SHARE_TYPE_GROUP, or SHARE_TYPE_LINK
* @param string User or group the item is being shared with
* @param int CRUDS permissions
* @return Returns true on success or false on failure
@ -407,7 +423,7 @@ class Share {
* @brief Get shared items from the database
* @param string Item type
* @param string Item source or target (optional)
* @param int SHARE_TYPE_USER, SHARE_TYPE_GROUP, SHARE_TYPE_PRIVATE_LINK, $shareTypeUserAndGroups, or $shareTypeGroupUserUnique
* @param int SHARE_TYPE_USER, SHARE_TYPE_GROUP, SHARE_TYPE_LINK, $shareTypeUserAndGroups, or $shareTypeGroupUserUnique
* @param string User or group the item is being shared with
* @param string User that is the owner of shared items (optional)
* @param int Format to convert items to with formatItems()
@ -444,9 +460,9 @@ class Share {
$queryArgs = array($itemType);
}
}
if (isset($shareType) && isset($shareWith)) {
if (isset($shareType)) {
// Include all user and group items
if ($shareType == self::$shareTypeUserAndGroups) {
if ($shareType == self::$shareTypeUserAndGroups && isset($shareWith)) {
$where .= ' AND `share_type` IN (?,?,?)';
$queryArgs[] = self::SHARE_TYPE_USER;
$queryArgs[] = self::SHARE_TYPE_GROUP;
@ -459,9 +475,12 @@ class Share {
$where .= ' AND `uid_owner` != ?';
$queryArgs[] = $shareWith;
} else {
$where .= ' AND `share_type` = ? AND `share_with` = ?';
$where .= ' AND `share_type` = ?';
$queryArgs[] = $shareType;
$queryArgs[] = $shareWith;
if (isset($shareWith)) {
$where .= ' AND `share_with` = ?';
$queryArgs[] = $shareWith;
}
}
}
if (isset($uidOwner)) {
@ -650,7 +669,7 @@ class Share {
$column = 'path';
}
foreach ($items as $item) {
if ($item['share_type'] == self::SHARE_TYPE_PRIVATE_LINK) {
if ($item['share_type'] == self::SHARE_TYPE_LINK) {
$statuses[$item[$column]] = true;
} else if (!isset($statuses[$item[$column]])) {
$statuses[$item[$column]] = false;
@ -670,7 +689,7 @@ class Share {
* @brief Put shared item into the database
* @param string Item type
* @param string Item source
* @param int SHARE_TYPE_USER, SHARE_TYPE_GROUP, or SHARE_TYPE_PRIVATE_LINK
* @param int SHARE_TYPE_USER, SHARE_TYPE_GROUP, or SHARE_TYPE_LINK
* @param string User or group the item is being shared with
* @param int CRUDS permissions
* @param bool|array Parent folder target (optional)
@ -827,7 +846,7 @@ class Share {
* @brief Generate a unique target for the item
* @param string Item type
* @param string Item source
* @param int SHARE_TYPE_USER, SHARE_TYPE_GROUP, or SHARE_TYPE_PRIVATE_LINK
* @param int SHARE_TYPE_USER, SHARE_TYPE_GROUP, or SHARE_TYPE_LINK
* @param string User or group the item is being shared with
* @return string Item target
*
@ -836,7 +855,7 @@ class Share {
*/
private static function generateTarget($itemType, $itemSource, $shareType, $shareWith, $uidOwner) {
$backend = self::getBackend($itemType);
if ($shareType == self::SHARE_TYPE_PRIVATE_LINK) {
if ($shareType == self::SHARE_TYPE_LINK) {
return $backend->generateTarget($itemSource, false);
} else {
if ($itemType == 'file' || $itemType == 'folder') {

11
lib/public/util.php
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@ -144,6 +144,17 @@ class Util {
return(\OC_Helper::linkToRemote( $service ));
}
/**
* @brief Creates an absolute url for public use
* @param $service id
* @returns the url
*
* Returns a absolute url to the given app and file.
*/
public static function linkToPublic($service) {
return \OC_Helper::linkToPublic($service);
}
/**
* @brief Creates an url