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class.ShareCenter.php
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class.ShareCenter.php
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<?php
/*
* Copyright 2007-2013 Charles du Jeu - Abstrium SAS <team (at) pyd.io>
* This file is part of Pydio.
*
* Pydio is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Pydio 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 Pydio. If not, see <http://www.gnu.org/licenses/>.
*
* The latest code can be found at <http://pyd.io/>.
*/
defined('AJXP_EXEC') or die( 'Access not allowed');
require_once("class.PublicletCounter.php");
/**
* @package AjaXplorer_Plugins
* @subpackage Action
*/
class ShareCenter extends AJXP_Plugin
{
/**
* @var AbstractAccessDriver
*/
private $accessDriver;
/**
* @var Repository
*/
private $repository;
private $urlBase;
private $baseProtocol;
/**
* @var MetaStoreProvider
*/
private $metaStore;
/**
* @var MetaWatchRegister
*/
private $watcher = false;
protected function parseSpecificContributions(&$contribNode)
{
parent::parseSpecificContributions($contribNode);
if (isSet($this->actions["share"])) {
$disableSharing = false;
$downloadFolder = ConfService::getCoreConf("PUBLIC_DOWNLOAD_FOLDER");
if ($downloadFolder == "") {
$disableSharing = true;
} else if ((!is_dir($downloadFolder) || !is_writable($downloadFolder))) {
$this->logDebug("Disabling Public links, $downloadFolder is not writeable!", array("folder" => $downloadFolder, "is_dir" => is_dir($downloadFolder),"is_writeable" => is_writable($downloadFolder)));
$disableSharing = true;
} else {
if (AuthService::usersEnabled()) {
$loggedUser = AuthService::getLoggedUser();
if ($loggedUser != null && AuthService::isReservedUserId($loggedUser->getId())) {
$disableSharing = true;
}
} else {
$disableSharing = true;
}
}
if ($disableSharing) {
unset($this->actions["share"]);
$actionXpath=new DOMXPath($contribNode->ownerDocument);
$publicUrlNodeList = $actionXpath->query('action[@name="share"]', $contribNode);
$publicUrlNode = $publicUrlNodeList->item(0);
$contribNode->removeChild($publicUrlNode);
}
}
}
public function init($options)
{
parent::init($options);
$this->repository = ConfService::getRepository();
if (!is_a($this->repository->driverInstance, "AjxpWrapperProvider")) {
return;
}
$this->accessDriver = $this->repository->driverInstance;
$this->urlBase = $this->repository->driverInstance->getResourceUrl("/");
$this->baseProtocol = array_shift(explode("://", $this->urlBase));
if (array_key_exists("meta.watch", AJXP_PluginsService::getInstance()->getActivePlugins())) {
$this->watcher = AJXP_PluginsService::getInstance()->getPluginById("meta.watch");
}
}
public function switchAction($action, $httpVars, $fileVars)
{
if (!isSet($this->accessDriver)) {
throw new Exception("Cannot find access driver!");
}
if ($this->accessDriver->getId() == "access.demo") {
$errorMessage = "This is a demo, all 'write' actions are disabled!";
if ($httpVars["sub_action"] == "delegate_repo") {
return AJXP_XMLWriter::sendMessage(null, $errorMessage, false);
} else {
print($errorMessage);
}
return;
}
switch ($action) {
//------------------------------------
// SHARING FILE OR FOLDER
//------------------------------------
case "share":
$subAction = (isSet($httpVars["sub_action"])?$httpVars["sub_action"]:"");
$file = AJXP_Utils::decodeSecureMagic($httpVars["file"]);
$ajxpNode = new AJXP_Node($this->urlBase.$file);
if (!file_exists($ajxpNode->getUrl())) {
throw new Exception("Cannot share a non-existing file: ".$ajxpNode->getUrl());
}
$metadata = null;
if ($subAction == "delegate_repo") {
header("Content-type:text/plain");
$result = $this->createSharedRepository($httpVars, $this->repository, $this->accessDriver);
if (is_a($result, "Repository")) {
$metadata = array("element" => $result->getUniqueId());
$numResult = 200;
} else {
$numResult = $result;
}
print($numResult);
} else if ($subAction == "create_minisite") {
header("Content-type:text/plain");
$res = $this->createSharedMinisite($httpVars, $this->repository, $this->accessDriver);
if (!is_array($res)) {
$url = $res;
} else {
list($hash, $url) = $res;
$metadata = array("element" => $hash, "minisite" => (isSet($httpVars["create_guest_user"])?"public":"private"));
}
print($url);
} else {
$maxdownload = abs(intval($this->getFilteredOption("FILE_MAX_DOWNLOAD", $this->repository->getId())));
$download = isset($httpVars["downloadlimit"]) ? abs(intval($httpVars["downloadlimit"])) : 0;
if ($maxdownload == 0) {
$httpVars["downloadlimit"] = $download;
} elseif ($maxdownload > 0 && $download == 0) {
$httpVars["downloadlimit"] = $maxdownload;
} else {
$httpVars["downloadlimit"] = min($download,$maxdownload);
}
$maxexpiration = abs(intval($this->getFilteredOption("FILE_MAX_EXPIRATION", $this->repository->getId())));
$expiration = isset($httpVars["expiration"]) ? abs(intval($httpVars["expiration"])) : 0;
if ($maxexpiration == 0) {
$httpVars["expiration"] = $expiration;
} elseif ($maxexpiration > 0 && $expiration == 0) {
$httpVars["expiration"] = $maxexpiration;
} else {
$httpVars["expiration"] = min($expiration,$maxexpiration);
}
$data = $this->accessDriver->makePublicletOptions($file, $httpVars["password"], $httpVars["expiration"], $httpVars["downloadlimit"], $this->repository);
$customData = array();
foreach ($httpVars as $key => $value) {
if (substr($key, 0, strlen("PLUGINS_DATA_")) == "PLUGINS_DATA_") {
$customData[substr($key, strlen("PLUGINS_DATA_"))] = $value;
}
}
if (count($customData)) {
$data["PLUGINS_DATA"] = $customData;
}
list($hash, $url) = $this->writePubliclet($data, $this->accessDriver, $this->repository);
$metaArray = array();
if ($ajxpNode->hasMetaStore()) {
$existingMeta = $ajxpNode->retrieveMetadata("ajxp_shared", true, AJXP_METADATA_SCOPE_REPOSITORY, true);
if (isSet($existingMeta) && is_array($existingMeta) && array_key_exists("element", $existingMeta)) {
if (is_string($existingMeta["element"])) {
$metaArray[$existingMeta["element"]] = array();
} else {
$metaArray = $existingMeta["element"];
}
}
}
$metaArray[$hash] = array();
$metadata = array("element" => $metaArray);
if (isSet($httpVars["format"]) && $httpVars["format"] == "json") {
header("Content-type:application/json");
echo json_encode(array("element_id" => $hash, "publiclet_link" => $url));
} else {
header("Content-type:text/plain");
echo $url;
}
flush();
}
if ($metadata != null && $ajxpNode->hasMetaStore()) {
$ajxpNode->setMetadata(
"ajxp_shared",
$metadata,
true,
AJXP_METADATA_SCOPE_REPOSITORY,
true
);
}
AJXP_Controller::applyHook("msg.instant", array("<reload_shared_elements/>", ConfService::getRepository()->getId()));
// as the result can be quite small (e.g error code), make sure it's output in case of OB active.
flush();
break;
case "toggle_link_watch":
$file = AJXP_Utils::decodeSecureMagic($httpVars["file"]);
$watchValue = $httpVars["set_watch"] == "true" ? true : false;
$folder = false;
if (isSet($httpVars["element_type"]) && $httpVars["element_type"] == "folder") {
$folder = true;
$node = new AJXP_Node($this->baseProtocol."://".$httpVars["repository_id"]."/");
} else {
$node = new AJXP_Node($this->urlBase.$file);
}
$metadata = $node->retrieveMetadata(
"ajxp_shared",
true,
AJXP_METADATA_SCOPE_REPOSITORY
);
$elementId = $metadata["element"];
if (isSet($httpVars["element_id"]) && is_Array($metadata["element"]) && isSet($metadata["element"][$httpVars["element_id"]])) {
$elementId = $httpVars["element_id"];
}
if ($this->watcher !== false) {
if (!$folder) {
if ($watchValue) {
$this->watcher->setWatchOnFolder(
$node,
AuthService::getLoggedUser()->getId(),
MetaWatchRegister::$META_WATCH_USERS_READ,
array($elementId)
);
} else {
$this->watcher->removeWatchFromFolder(
$node,
AuthService::getLoggedUser()->getId(),
true,
$elementId
);
}
} else {
if ($watchValue) {
$this->watcher->setWatchOnFolder(
$node,
AuthService::getLoggedUser()->getId(),
MetaWatchRegister::$META_WATCH_BOTH
);
} else {
$this->watcher->removeWatchFromFolder(
$node,
AuthService::getLoggedUser()->getId());
}
}
}
$mess = ConfService::getMessages();
AJXP_XMLWriter::header();
AJXP_XMLWriter::sendMessage($mess["share_center.47"], null);
AJXP_XMLWriter::close();
break;
case "load_shared_element_data":
$file = AJXP_Utils::decodeSecureMagic($httpVars["file"]);
$elementType = $httpVars["element_type"];
$messages = ConfService::getMessages();
$node = new AJXP_Node($this->urlBase.$file);
$metadata = $node->retrieveMetadata(
"ajxp_shared",
true,
AJXP_METADATA_SCOPE_REPOSITORY
);
$elementWatch = false;
if (count($metadata)) {
header("Content-type:application/json");
if ($elementType == "file") {
$elements = $metadata["element"];
if(is_string($elements)) $elements = array($elements => true);
$jsonData = array();
foreach ($elements as $element => $elementData) {
if(!is_array($elementData)) $elementData = array();
$pData = self::loadPublicletData($element);
if (!count($pData)) {
continue;
}
if ($pData["OWNER_ID"] != AuthService::getLoggedUser()->getId()) {
throw new Exception($messages["share_center.48"]);
}
if (isSet($elementData["short_form_url"])) {
$link = $elementData["short_form_url"];
} else {
$link = $this->buildPublicletLink($element);
}
if ($this->watcher != false) {
$result = array();
$elementWatch = $this->watcher->hasWatchOnNode(
$node,
AuthService::getLoggedUser()->getId(),
MetaWatchRegister::$META_WATCH_USERS_NAMESPACE,
$result
);
if ($elementWatch && !in_array($element, $result)) {
$elementWatch = false;
}
}
$jsonData[] = array_merge(array(
"element_id" => $element,
"publiclet_link" => $link,
"download_counter" => PublicletCounter::getCount($element),
"download_limit" => $pData["DOWNLOAD_LIMIT"],
"expire_time" => ($pData["EXPIRE_TIME"]!=0?date($messages["date_format"], $pData["EXPIRE_TIME"]):0),
"has_password" => (!empty($pData["PASSWORD"])),
"element_watch" => $elementWatch,
), $elementData);
}
} else if ($elementType == "repository") {
if (isSet($metadata["minisite"])) {
$minisiteData = self::loadPublicletData($metadata["element"]);
$repoId = $minisiteData["REPOSITORY"];
$minisiteIsPublic = isSet($minisiteData["PRELOG_USER"]);
$dlDisabled = isSet($minisiteData["DOWNLOAD_DISABLED"]);
if (isSet($metadata["short_form_url"])) {
$minisiteLink = $metadata["short_form_url"];
} else {
$minisiteLink = $this->buildPublicletLink($metadata["element"]);
}
} else {
$repoId = $metadata["element"];
}
$repo = ConfService::getRepositoryById($repoId);
if ($repo == null || $repo->getOwner() != AuthService::getLoggedUser()->getId()) {
//throw new Exception($messages["share_center.48"]);
$jsonData = array(
"repositoryId" => $repoId,
"label" => "Error - Cannot find shared data",
"description" => "Cannot find repository",
"entries" => array(),
"element_watch" => false,
"repository_url"=> ""
);
echo json_encode($jsonData);
break;
}
if ($this->watcher != false) {
$elementWatch = $this->watcher->hasWatchOnNode(
new AJXP_Node($this->baseProtocol."://".$repoId."/"),
AuthService::getLoggedUser()->getId(),
MetaWatchRegister::$META_WATCH_NAMESPACE
);
}
$sharedEntries = $this->computeSharedRepositoryAccessRights($repoId, true, $this->urlBase.$file);
$jsonData = array(
"repositoryId" => $repoId,
"label" => $repo->getDisplay(),
"description" => $repo->getDescription(),
"entries" => $sharedEntries,
"element_watch" => $elementWatch,
"repository_url"=> AJXP_Utils::detectServerURL(true)."?goto=". $repo->getSlug() ."/"
);
if (isSet($minisiteData)) {
$jsonData["minisite"] = array(
"public" => $minisiteIsPublic?"true":"false",
"public_link" => $minisiteLink,
"disable_download" => $dlDisabled
);
}
}
echo json_encode($jsonData);
}
break;
case "unshare":
$file = AJXP_Utils::decodeSecureMagic($httpVars["file"]);
$ajxpNode = new AJXP_Node($this->urlBase.$file);
$metadata = $ajxpNode->retrieveMetadata(
"ajxp_shared",
true,
AJXP_METADATA_SCOPE_REPOSITORY
);
if (count($metadata)) {
$eType = $httpVars["element_type"];
if(isSet($metadata["minisite"])) $eType = "minisite";
$elementId = $metadata["element"];
$updateMeta = false;
if (isSet($httpVars["element_id"])) {
if (is_array($metadata["element"]) && isSet($metadata["element"][$httpVars['element_id']])) {
$elementId = $httpVars["element_id"];
unset($metadata["element"][$httpVars['element_id']]);
if(count($metadata["element"]) > 0) $updateMeta = true;
}
}
self::deleteSharedElement($eType, $elementId, AuthService::getLoggedUser());
if ($updateMeta) {
$ajxpNode->setMetadata("ajxp_shared", $metadata, true, AJXP_METADATA_SCOPE_REPOSITORY, true);
} else {
$ajxpNode->removeMetadata("ajxp_shared", true, AJXP_METADATA_SCOPE_REPOSITORY, true);
}
}
AJXP_Controller::applyHook("msg.instant", array("<reload_shared_elements/>", ConfService::getRepository()->getId()));
break;
case "reset_counter":
$file = AJXP_Utils::decodeSecureMagic($httpVars["file"]);
$ajxpNode = new AJXP_Node($this->urlBase.$file);
$metadata = $ajxpNode->retrieveMetadata(
"ajxp_shared",
true,
AJXP_METADATA_SCOPE_REPOSITORY
);
if (isSet($metadata["element"][$httpVars["element_id"]])) {
PublicletCounter::reset($httpVars["element_id"]);
}
break;
case "update_shared_element_data":
$file = AJXP_Utils::decodeSecureMagic($httpVars["file"]);
if(!in_array($httpVars["p_name"], array("counter", "tags")));
$ajxpNode = new AJXP_Node($this->urlBase.$file);
$metadata = $ajxpNode->retrieveMetadata(
"ajxp_shared",
true,
AJXP_METADATA_SCOPE_REPOSITORY
);
if (isSet($metadata["element"][$httpVars["element_id"]])) {
if (!is_array($metadata["element"][$httpVars["element_id"]])) {
$metadata["element"][$httpVars["element_id"]] = array();
}
$metadata["element"][$httpVars["element_id"]][$httpVars["p_name"]] = $httpVars["p_value"];
$ajxpNode->setMetadata(
"ajxp_shared",
$metadata,
true,
AJXP_METADATA_SCOPE_REPOSITORY);
}
break;
default:
break;
}
}
/**
* @param AJXP_Node $ajxpNode
* @return void
*/
public function nodeSharedMetadata(&$ajxpNode)
{
if(empty($this->accessDriver) || $this->accessDriver->getId() == "access.imap") return;
$metadata = $ajxpNode->retrieveMetadata("ajxp_shared", true, AJXP_METADATA_SCOPE_REPOSITORY, true);
if (count($metadata)) {
$eType = $ajxpNode->isLeaf()?"file":"repository";
if(isSet($metadata["minisite"])) $eType = "minisite";
if (is_array($metadata["element"])) {
$updateMeta = false;
foreach ($metadata["element"] as $elementId => $elementData) {
if (!self::sharedElementExists($eType, $elementId)) {
unset($metadata["element"][$elementId]);
$updateMeta = true;
return;
}
}
if (!count($metadata["element"])) {
$metadata = array();
$updateMeta = true;
}
if ($updateMeta) {
if (count($metadata) == 0) {
$ajxpNode->removeMetadata("ajxp_shared", true, AJXP_METADATA_SCOPE_REPOSITORY, true);
} else {
$ajxpNode->setMetadata("ajxp_shared", $metadata, true, AJXP_METADATA_SCOPE_REPOSITORY, true);
}
}
} else {
if (!self::sharedElementExists($eType, $metadata["element"])) {
$ajxpNode->removeMetadata("ajxp_shared", true, AJXP_METADATA_SCOPE_REPOSITORY, true);
return;
}
}
$merge = array(
"ajxp_shared" => "true",
"overlay_icon" => "shared.png",
"overlay_class" => "icon-share-sign"
);
if($eType == "minisite") $merge["ajxp_shared_minisite"] = $metadata["minisite"];
$ajxpNode->mergeMetadata($merge, true);
}
}
/**
* @param AJXP_Node $ajxpNode
* @return boolean
*/
public static function isShared($ajxpNode)
{
$metadata = $ajxpNode->retrieveMetadata("ajxp_shared",true);
if (is_array($metadata) && is_array($metadata["element"])) {
$eType = $ajxpNode->isLeaf()?"file":"repository";
if(isSet($metadata["minisite"])) $eType = "minisite";
foreach ($metadata["element"] as $elementId => $elementData) {
if (self::sharedElementExists($eType, $elementId)) {
return true;
}
}
}
return false;
}
/**
* @param AJXP_Node $node
* @param String|null $direction "UP", "DOWN"
* @return array()
*/
private function findMirrorNodesInShares($node, $direction){
$result = array();
if($direction !== "UP"){
$upmetas = array();
$node->collectMetadataInParents("ajxp_shared", true, AJXP_METADATA_SCOPE_REPOSITORY, false, $upmetas);
foreach($upmetas as $metadata){
if (is_array($metadata) && !empty($metadata["element"])) {
if(is_string($metadata["element"])){
$wsId = $metadata["element"];
if(isSet($metadata["minisite"])){
$minisiteData = self::loadPublicletData($metadata["element"]);
$wsId = $minisiteData["REPOSITORY"];
}
$sharedNode = $metadata["SOURCE_NODE"];
$sharedPath = substr($node->getPath(), strlen($sharedNode->getPath()));
$sharedNodeUrl = $node->getScheme() . "://".$wsId.$sharedPath;
$result[$wsId] = array(new AJXP_Node($sharedNodeUrl), "DOWN");
}
}
}
}
if($direction !== "DOWN"){
if($node->getRepository()->hasParent()){
$parentRepoId = $node->getRepository()->getParentId();
$currentRoot = $node->getRepository()->getOption("PATH");
$parentRoot = ConfService::getRepositoryById($parentRepoId)->getOption("PATH");
$relative = substr($currentRoot, strlen($parentRoot));
$parentNodeURL = $node->getScheme()."://".$parentRepoId.$relative.$node->getPath();
$this->logDebug("action.share", "Should trigger on ".$parentNodeURL);
$result[$parentRepoId] = array(new AJXP_Node($parentNodeURL), "UP");
}
}
return $result;
}
private function applyForwardEvent($fromMirrors = null, $toMirrors = null, $copy = false, $direction = null){
if($fromMirrors === null){
// Create
foreach($toMirrors as $mirror){
list($node, $direction) = $mirror;
AJXP_Controller::applyHook("node.change", array(null, $node, false, $direction), true);
}
}else if($toMirrors === null){
foreach($fromMirrors as $mirror){
list($node, $direction) = $mirror;
AJXP_Controller::applyHook("node.change", array($node, null, false, $direction), true);
}
}else{
foreach($fromMirrors as $repoId => $mirror){
list($fNode, $fDirection) = $mirror;
if(isSet($toMirrors[$repoId])){
list($tNode, $tDirection) = $toMirrors[$repoId];
unset($toMirrors[$repoId]);
AJXP_Controller::applyHook("node.change", array($fNode, $tNode, $copy, $fDirection), true);
}else{
AJXP_Controller::applyHook("node.change", array($fNode, null, $copy, $fDirection), true);
}
}
foreach($toMirrors as $mirror){
list($tNode, $tDirection) = $mirror;
AJXP_Controller::applyHook("node.change", array(null, $tNode, $copy, $tDirection), true);
}
}
}
/**
* @param AJXP_Node $fromNode
* @param AJXP_Node $toNode
* @param bool $copy
* @param String $direction
*/
public function forwardEventToShares($fromNode=null, $toNode=null, $copy = false, $direction=null){
if(empty($direction) && $this->getFilteredOption("FORK_EVENT_FORWARDING")){
AJXP_Controller::applyActionInBackground(
ConfService::getRepository()->getId(),
"forward_change_event",
array(
"from" => $fromNode === null ? "" : $fromNode->getUrl(),
"to" => $toNode === null ? "" : $toNode->getUrl(),
"copy" => $copy ? "true" : "false",
"direction" => $direction
));
return;
}
$fromMirrors = null;
$toMirrors = null;
if($fromNode != null){
$fromMirrors = $this->findMirrorNodesInShares($fromNode, $direction);
}
if($toNode != null){
$toMirrors = $this->findMirrorNodesInShares($toNode, $direction);
}
$this->applyForwardEvent($fromMirrors, $toMirrors, $copy, $direction);
}
public function forwardEventToSharesAction($actionName, $httpVars, $fileVars){
$fromMirrors = null;
$toMirrors = null;
if(!empty($httpVars["from"])){
$fromMirrors = $this->findMirrorNodesInShares(new AJXP_Node($httpVars["from"]), $httpVars["direction"]);
}
if(!empty($httpVars["to"])){
$toMirrors = $this->findMirrorNodesInShares(new AJXP_Node($httpVars["to"]), $httpVars["direction"]);
}
$this->applyForwardEvent($fromMirrors, $toMirrors, ($httpVars["copy"] === "true"), $httpVars["direction"]);
}
/**
*
* Hooked to node.change, this will update the index
* if $oldNode = null => create node $newNode
* if $newNode = null => delete node $oldNode
* Else copy or move oldNode to newNode.
*
* @param AJXP_Node $oldNode
*/
public function updateNodeSharedData($oldNode/*, $newNode = null, $copy = false*/)
{
if(empty($this->accessDriver) || $this->accessDriver->getId() == "access.imap") return;
if($oldNode == null || !$oldNode->hasMetaStore()) return;
$metadata = $oldNode->retrieveMetadata("ajxp_shared", true);
if (count($metadata) && !empty($metadata["element"])) {
// TODO
// Make sure node info is loaded, to check if it's a dir or a file.
// Maybe could be directly embedded in metadata, to avoid having to load here.
$oldNode->loadNodeInfo();
try {
$type = $oldNode->isLeaf() ? "file":"repository";
$elementIds = array();
if ($type == "file") {
if(!is_array($metadata["element"])) $elementIds[] = $metadata["element"];
else $elementIds = array_keys($metadata["element"]);
} else {
$elementIds[]= $metadata["element"];
}
foreach ($elementIds as $elementId) {
self::deleteSharedElement(
$type,
$elementId,
AuthService::getLoggedUser()
);
}
$oldNode->removeMetadata("ajxp_shared", true, AJXP_METADATA_SCOPE_REPOSITORY, true);
} catch (Exception $e) {
$this->logError("Exception", $e->getMessage(), $e->getTrace() );
}
}
}
/** Cypher the publiclet object data and write to disk.
* @param Array $data The publiclet data array to write
The data array must have the following keys:
- DRIVER The driver used to get the file's content
- OPTIONS The driver options to be successfully constructed (usually, the user and password)
- FILE_PATH The path to the file's content
- PASSWORD If set, the written publiclet will ask for this password before sending the content
- ACTION If set, action to perform
- USER If set, the AJXP user
- EXPIRE_TIME If set, the publiclet will deny downloading after this time, and probably self destruct.
* - AUTHOR_WATCH If set, will post notifications for the publiclet author each time the file is loaded
* @param AbstractAccessDriver $accessDriver
* @param Repository $repository
* @return array An array containing the hash (0) and the generated url (1)
*/
public function writePubliclet(&$data, $accessDriver, $repository)
{
$downloadFolder = ConfService::getCoreConf("PUBLIC_DOWNLOAD_FOLDER");
if (!is_dir($downloadFolder)) {
return "ERROR : Public URL folder does not exist!";
}
if (!function_exists("mcrypt_create_iv")) {
return "ERROR : MCrypt must be installed to use publiclets!";
}
$this->initPublicFolder($downloadFolder);
$data["PLUGIN_ID"] = $accessDriver->getId();
$data["BASE_DIR"] = $accessDriver->getBaseDir();
//$data["REPOSITORY"] = $repository;
if (AuthService::usersEnabled()) {
$data["OWNER_ID"] = AuthService::getLoggedUser()->getId();
}
$storeCreds = false;
if ($repository->getOption("META_SOURCES")) {
$options["META_SOURCES"] = $repository->getOption("META_SOURCES");
foreach ($options["META_SOURCES"] as $metaSource) {
if (isSet($metaSource["USE_SESSION_CREDENTIALS"]) && $metaSource["USE_SESSION_CREDENTIALS"] === true) {
$storeCreds = true;
break;
}
}
}
if ($storeCreds || $accessDriver->hasMixin("credentials_consumer")) {
$cred = AJXP_Safe::tryLoadingCredentialsFromSources(array(), $repository);
if (isSet($cred["user"]) && isset($cred["password"])) {
$data["SAFE_USER"] = $cred["user"];
$data["SAFE_PASS"] = $cred["password"];
}
}
// Force expanded path in publiclet
$copy = clone $repository;
$copy->addOption("PATH", $repository->getOption("PATH"));
$data["REPOSITORY"] = $copy;
if ($data["ACTION"] == "") $data["ACTION"] = "download";
// Create a random key
$data["FINAL_KEY"] = md5(mt_rand().time());
// Cypher the data with a random key
$outputData = serialize($data);
// Hash the data to make sure it wasn't modified
$hash = $this->computeHash($outputData, $downloadFolder); // md5($outputData);
$outputData = base64_encode(mcrypt_encrypt(MCRYPT_RIJNDAEL_256, $hash, $outputData, MCRYPT_MODE_ECB));
$fileData = "<"."?"."php \n".
' require_once("'.str_replace("\\", "/", AJXP_INSTALL_PATH).'/publicLet.inc.php"); '."\n".
' $id = str_replace(".php", "", basename(__FILE__)); '."\n". // Not using "" as php would replace $ inside
' $cypheredData = base64_decode("'.$outputData.'"); '."\n".
' $inputData = trim(mcrypt_decrypt(MCRYPT_RIJNDAEL_256, $id, $cypheredData, MCRYPT_MODE_ECB), "\0"); '."\n".
' if (!ShareCenter::checkHash($inputData, $id)) { header("HTTP/1.0 401 Not allowed, script was modified"); exit(); } '."\n".
' // Ok extract the data '."\n".
' $data = unserialize($inputData); ShareCenter::loadPubliclet($data); ';
if (@file_put_contents($downloadFolder."/".$hash.".php", $fileData) === FALSE) {
return "Can't write to PUBLIC URL";
}
@chmod($downloadFolder."/".$hash.".php", 0755);
PublicletCounter::reset($hash);
$url = $this->buildPublicletLink($hash);
$this->logInfo("New Share", array(
"file" => "'".$copy->display.":/".$data['FILE_PATH']."'",
"url" => $url,
"expiration" => $data['EXPIRE_TIME'],
"limit" => $data['DOWNLOAD_LIMIT'],
"repo_uuid" => $copy->uuid
));
AJXP_Controller::applyHook("node.share.create", array(
'type' => 'file',
'repository' => &$copy,
'accessDriver' => &$accessDriver,
'data' => &$data,
'url' => $url,
));
return array($hash, $url);
}
/**
* Computes a short form of the hash, checking if it already exists in the folder,
* in which case it increases the hashlength until there is no collision.
* @static
* @param String $outputData Serialized data
* @param String|null $checkInFolder Path to folder
* @return string
*/
public function computeHash($outputData, $checkInFolder = null)
{
$length = $this->getFilteredOption("HASH_MIN_LENGTH", $this->repository->getId());
$full = md5($outputData);
$starter = substr($full, 0, $length);
if ($checkInFolder != null) {
while (file_exists($checkInFolder.DIRECTORY_SEPARATOR.$starter.".php")) {
$length ++;
$starter = substr($full, 0, $length);
}
}
return $starter;
}
/**
* Check if the hash seems to correspond to the serialized data.
* @static
* @param String $outputData serialized data
* @param String $hash Id to check
* @return bool
*/
public static function checkHash($outputData, $hash)
{
$full = md5($outputData);
return (!empty($hash) && strpos($full, $hash."") === 0);
}
public function buildPublicDlURL()
{
$downloadFolder = ConfService::getCoreConf("PUBLIC_DOWNLOAD_FOLDER");
$dlURL = ConfService::getCoreConf("PUBLIC_DOWNLOAD_URL");
$langSuffix = "?lang=".ConfService::getLanguage();
if ($dlURL != "") {
return rtrim($dlURL, "/");
} else {
$fullUrl = AJXP_Utils::detectServerURL(true);
return str_replace("\\", "/", rtrim($fullUrl, "/").rtrim(str_replace(AJXP_INSTALL_PATH, "", $downloadFolder), "/"));
}
}
public function computeMinisiteToServerURL()
{
$minisite = parse_url($this->buildPublicDlURL(), PHP_URL_PATH) ."/a.php";
$server = rtrim(parse_url( AJXP_Utils::detectServerURL(true), PHP_URL_PATH), "/");
return AJXP_Utils::getTravelPath($minisite, $server);
}
public function buildPublicletLink($hash)
{
$addLang = ConfService::getLanguage() != ConfService::getCoreConf("DEFAULT_LANGUAGE");
if ($this->getFilteredOption("USE_REWRITE_RULE", $this->repository->getId()) == true) {
if($addLang) return $this->buildPublicDlURL()."/".$hash."-".ConfService::getLanguage();
else return $this->buildPublicDlURL()."/".$hash;
} else {
if($addLang) return $this->buildPublicDlURL()."/".$hash.".php?lang=".ConfService::getLanguage();
else return $this->buildPublicDlURL()."/".$hash.".php";
}
}
public function initPublicFolder($downloadFolder)
{
if (is_file($downloadFolder."/grid_t.png")) {
return;
}
$language = ConfService::getLanguage();
$pDir = dirname(__FILE__);
$messages = array();
if (is_file($pDir."/res/i18n/".$language.".php")) {
include($pDir."/res/i18n/".$language.".php");
} else {
include($pDir."/res/i18n/en.php");
}
if (isSet($mess)) $messages = $mess;
$sTitle = sprintf($messages[1], ConfService::getCoreConf("APPLICATION_TITLE"));
$sLegend = $messages[20];
@copy($pDir."/res/dl.png", $downloadFolder."/dl.png");
@copy($pDir."/res/favi.png", $downloadFolder."/davi.png");
@copy($pDir."/res/grid_t.png", $downloadFolder."/grid_t.png");
@copy($pDir."/res/button_cancel.png", $downloadFolder."/button_cancel.png");
@copy(AJXP_INSTALL_PATH."/server/index.html", $downloadFolder."/index.html");
$dlUrl = $this->buildPublicDlURL();
$htaccessContent = "ErrorDocument 404 ".$dlUrl."/404.html\n<Files \".ajxp_*\">\ndeny from all\n</Files>";
if ($this->getFilteredOption("USE_REWRITE_RULE", $this->repository->getId()) == true) {
$path = parse_url($dlUrl, PHP_URL_PATH);
$htaccessContent .= '
<IfModule mod_rewrite.c>
RewriteEngine on
RewriteBase '.$path.'
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^([a-z0-9]+)-([a-z]+)$ $1.php?lang=$2 [QSA]
RewriteRule ^([a-z0-9]+)$ $1.php [QSA]
</IfModule>
';
}
file_put_contents($downloadFolder."/.htaccess", $htaccessContent);
$content404 = file_get_contents($pDir."/res/404.html");
$content404 = str_replace(array("AJXP_MESSAGE_TITLE", "AJXP_MESSAGE_LEGEND"), array($sTitle, $sLegend), $content404);
file_put_contents($downloadFolder."/404.html", $content404);
}
public static function loadMinisite($data)
{
$repository = $data["REPOSITORY"];
AJXP_PluginsService::getInstance()->initActivePlugins();
$shareCenter = AJXP_PluginsService::findPlugin("action", "share");
$confs = $shareCenter->getConfigs();
$minisiteLogo = "plugins/gui.ajax/PydioLogo250.png";
if(isSet($confs["CUSTOM_MINISITE_LOGO"])){
$logoPath = $confs["CUSTOM_MINISITE_LOGO"];
if (strpos($logoPath, "plugins/") === 0 && is_file(AJXP_INSTALL_PATH."/".$logoPath)) {
$minisiteLogo = $logoPath;
}else{
$minisiteLogo = "index_shared.php?get_action=get_global_binary_param&binary_id=". $logoPath;
}
}
// UPDATE TEMPLATE
$html = file_get_contents(AJXP_INSTALL_PATH."/".AJXP_PLUGINS_FOLDER."/action.share/res/minisite.php");
AJXP_Controller::applyHook("tpl.filter_html", array(&$html));
$html = AJXP_XMLWriter::replaceAjxpXmlKeywords($html);
$html = str_replace("AJXP_MINISITE_LOGO", $minisiteLogo, $html);
$html = str_replace("AJXP_APPLICATION_TITLE", ConfService::getCoreConf("APPLICATION_TITLE"), $html);
$html = str_replace("PYDIO_APP_TITLE", ConfService::getCoreConf("APPLICATION_TITLE"), $html);
$html = str_replace("AJXP_START_REPOSITORY", $repository, $html);
$html = str_replace("AJXP_REPOSITORY_LABEL", ConfService::getRepositoryById($repository)->getDisplay(), $html);
session_name("AjaXplorer_Shared");
session_start();
if (!empty($data["PRELOG_USER"])) {
AuthService::logUser($data["PRELOG_USER"], "", true);
$html = str_replace("AJXP_PRELOGED_USER", "ajxp_preloged_user", $html);
} else {
$_SESSION["PENDING_REPOSITORY_ID"] = $repository;
$_SESSION["PENDING_FOLDER"] = "/";
$html = str_replace("AJXP_PRELOGED_USER", "", $html);
}
if (isSet($_GET["lang"])) {
$loggedUser = &AuthService::getLoggedUser();
if ($loggedUser != null) {
$loggedUser->setPref("lang", $_GET["lang"]);
} else {
setcookie("AJXP_lang", $_GET["lang"]);
}
}
if (!empty($data["AJXP_APPLICATION_BASE"])) {
$tPath = $data["AJXP_APPLICATION_BASE"];
} else {
$tPath = (!empty($data["TRAVEL_PATH_TO_ROOT"]) ? $data["TRAVEL_PATH_TO_ROOT"] : "../..");
}
$html = str_replace("AJXP_PATH_TO_ROOT", rtrim($tPath, "/")."/", $html);
HTMLWriter::internetExplorerMainDocumentHeader();
HTMLWriter::charsetHeader();
echo($html);
}
/**
* @static
* @param Array $data
* @return void
*/
public static function loadPubliclet($data)
{
// create driver from $data
$className = $data["DRIVER"]."AccessDriver";
$hash = md5(serialize($data));
$u = parse_url($_SERVER["REQUEST_URI"]);
$shortHash = pathinfo(basename($u["path"]), PATHINFO_FILENAME);
if ( ($data["EXPIRE_TIME"] && time() > $data["EXPIRE_TIME"]) ||
($data["DOWNLOAD_LIMIT"] && $data["DOWNLOAD_LIMIT"]> 0 && $data["DOWNLOAD_LIMIT"] <= PublicletCounter::getCount($shortHash)) )
{
// Remove the publiclet, it's done
if (strstr(realpath($_SERVER["SCRIPT_FILENAME"]),realpath(ConfService::getCoreConf("PUBLIC_DOWNLOAD_FOLDER"))) !== FALSE) {
PublicletCounter::delete($shortHash);
unlink($_SERVER["SCRIPT_FILENAME"]);
}
echo "Link is expired, sorry.";
exit();
}
// Load language messages
$language = ConfService::getLanguage();
if (isSet($_GET["lang"])) {
$language = basename($_GET["lang"]);
}
$messages = array();
if (is_file(dirname(__FILE__)."/res/i18n/".$language.".php")) {
include(dirname(__FILE__)."/res/i18n/".$language.".php");
} else {
include(dirname(__FILE__)."/res/i18n/en.php");
}
if(isSet($mess)) $messages = $mess;