/**
* Handle uploaded data, overwriting existing data
*/
public function upload()
{
$this->sessionCheck();
// Another session is either queued or writing — upload data won't be valid,
// so client should wait and return to /updated with 'upload' flag
Zotero_DB::beginTransaction();
if (Zotero_Sync::userIsReadLocked($this->userID) || Zotero_Sync::userIsWriteLocked($this->userID)) {
Zotero_DB::commit();
$locked = $this->responseXML->addChild('locked');
$locked['wait'] = $this->getWaitTime($this->sessionID);
$this->end();
}
Zotero_DB::commit();
$this->clearWaitTime($this->sessionID);
if (empty($_REQUEST['updateKey'])) {
$this->error(400, 'INVALID_UPLOAD_DATA', 'Update key not provided');
}
if ($_REQUEST['updateKey'] != Zotero_Users::getUpdateKey($this->userID)) {
$this->e409("Server data has changed since last retrieval");
}
// TODO: change to POST
if (empty($_REQUEST['data'])) {
$this->error(400, 'MISSING_UPLOAD_DATA', 'Uploaded data not provided');
}
$xmldata =& $_REQUEST['data'];
try {
$doc = new DOMDocument();
$doc->loadXML($xmldata, LIBXML_PARSEHUGE);
// For huge uploads, make sure notes aren't bigger than SimpleXML can parse
if (strlen($xmldata) > 7000000) {
$xpath = new DOMXPath($doc);
$results = $xpath->query('/data/items/item/note[string-length(text()) > ' . Zotero_Notes::$MAX_NOTE_LENGTH . ']');
if ($results->length) {
$noteElem = $results->item(0);
$text = $noteElem->textContent;
$libraryID = $noteElem->parentNode->getAttribute('libraryID');
$key = $noteElem->parentNode->getAttribute('key');
// UTF-8 (0xC2 0xA0) isn't trimmed by default
$whitespace = chr(0x20) . chr(0x9) . chr(0xa) . chr(0xd) . chr(0x0) . chr(0xb) . chr(0xc2) . chr(0xa0);
$excerpt = iconv("UTF-8", "UTF-8//IGNORE", Zotero_Notes::noteToTitle(trim($text), true));
$excerpt = trim($excerpt, $whitespace);
// If tag-stripped version is empty, just return raw HTML
if ($excerpt == '') {
$excerpt = iconv("UTF-8", "UTF-8//IGNORE", preg_replace('/\\s+/', ' ', mb_substr(trim($text), 0, Zotero_Notes::$MAX_TITLE_LENGTH)));
$excerpt = html_entity_decode($excerpt);
$excerpt = trim($excerpt, $whitespace);
}
$msg = "=Note '" . $excerpt . "...' too long";
if ($key) {
$msg .= " for item '" . $libraryID . "/" . $key . "'";
}
throw new Exception($msg, Z_ERROR_NOTE_TOO_LONG);
}
}
} catch (Exception $e) {
$this->handleUploadError($e, $xmldata);
}
function relaxNGErrorHandler($errno, $errstr)
{
//Z_Core::logError($errstr);
}
set_error_handler('relaxNGErrorHandler');
set_time_limit(60);
if (!$doc->relaxNGValidate(Z_ENV_MODEL_PATH . 'relax-ng/upload.rng')) {
$id = substr(md5(uniqid(rand(), true)), 0, 10);
$str = date("D M j G:i:s T Y") . "\n";
$str .= "IP address: " . $_SERVER['REMOTE_ADDR'] . "\n";
if (isset($_SERVER['HTTP_X_ZOTERO_VERSION'])) {
$str .= "Version: " . $_SERVER['HTTP_X_ZOTERO_VERSION'] . "\n";
}
$str .= "Error: RELAX NG validation failed\n\n";
$str .= $xmldata;
if (!file_put_contents(Z_CONFIG::$SYNC_ERROR_PATH . $id, $str)) {
error_log("Unable to save error report to " . Z_CONFIG::$SYNC_ERROR_PATH . $id);
}
$this->error(500, 'INVALID_UPLOAD_DATA', "Uploaded data not well-formed (Report ID: {$id})");
}
restore_error_handler();
try {
$xml = simplexml_import_dom($doc);
$queue = true;
if (Z_ENV_TESTING_SITE && !empty($_GET['noqueue'])) {
$queue = false;
}
if ($queue) {
$affectedLibraries = Zotero_Sync::parseAffectedLibraries($xmldata);
// Relations-only uploads don't have affected libraries
if (!$affectedLibraries) {
$affectedLibraries = array(Zotero_Users::getLibraryIDFromUserID($this->userID));
}
Zotero_Sync::queueUpload($this->userID, $this->sessionID, $xmldata, $affectedLibraries);
try {
Zotero_Processors::notifyProcessors('upload');
Zotero_Processors::notifyProcessors('error');
usleep(750000);
} catch (Exception $e) {
Z_Core::logError($e);
}
// Give processor a chance to finish while we're still here
$this->uploadstatus();
} else {
set_time_limit(210);
$timestamp = Zotero_Sync::processUpload($this->userID, $xml);
$this->responseXML['timestamp'] = $timestamp;
$this->responseXML->addChild('uploaded');
$this->end();
}
} catch (Exception $e) {
$this->handleUploadError($e, $xmldata);
}
}
/**
* Handle uploaded data, overwriting existing data
*/
public function upload()
{
$this->sessionCheck();
// Another session is either queued or writing — upload data won't be valid,
// so client should wait and return to /updated with 'upload' flag
Zotero_DB::beginTransaction();
if (Zotero_Sync::userIsReadLocked($this->userID) || Zotero_Sync::userIsWriteLocked($this->userID)) {
Zotero_DB::commit();
$locked = $this->responseXML->addChild('locked');
$locked['wait'] = $this->getWaitTime($this->sessionID);
$this->end();
}
Zotero_DB::commit();
$this->clearWaitTime($this->sessionID);
if (empty($_REQUEST['updateKey'])) {
$this->error(400, 'INVALID_UPLOAD_DATA', 'Update key not provided');
}
if ($_REQUEST['updateKey'] != Zotero_Users::getUpdateKey($this->userID)) {
$this->e409("Server data has changed since last retrieval");
}
// TODO: change to POST
if (empty($_REQUEST['data'])) {
$this->error(400, 'MISSING_UPLOAD_DATA', 'Uploaded data not provided');
}
$xmldata =& $_REQUEST['data'];
$doc = new DOMDocument();
$doc->loadXML($xmldata);
function relaxNGErrorHandler($errno, $errstr)
{
//Z_Core::logError($errstr);
}
set_error_handler('relaxNGErrorHandler');
set_time_limit(60);
if (!$doc->relaxNGValidate(Z_ENV_MODEL_PATH . 'relax-ng/upload.rng')) {
$id = substr(md5(uniqid(rand(), true)), 0, 10);
$str = date("D M j G:i:s T Y") . "\n";
$str .= "IP address: " . $_SERVER['REMOTE_ADDR'] . "\n";
if (isset($_SERVER['HTTP_X_ZOTERO_VERSION'])) {
$str .= "Version: " . $_SERVER['HTTP_X_ZOTERO_VERSION'] . "\n";
}
$str .= "Error: RELAX NG validation failed\n\n";
$str .= $xmldata;
file_put_contents(Z_CONFIG::$SYNC_ERROR_PATH . $id, $str);
$this->error(500, 'INVALID_UPLOAD_DATA', "Uploaded data not well-formed (Report ID: {$id})");
}
restore_error_handler();
try {
$xml = simplexml_import_dom($doc);
$queue = true;
if (Z_ENV_TESTING_SITE && !empty($_GET['noqueue'])) {
$queue = false;
}
if ($queue) {
$affectedLibraries = Zotero_Sync::parseAffectedLibraries($xmldata);
// Relations-only uploads don't have affected libraries
if (!$affectedLibraries) {
$affectedLibraries = array(Zotero_Users::getLibraryIDFromUserID($this->userID));
}
Zotero_Sync::queueUpload($this->userID, $this->sessionID, $xmldata, $affectedLibraries);
try {
Zotero_Processors::notifyProcessors('upload');
Zotero_Processors::notifyProcessors('error');
usleep(750000);
} catch (Exception $e) {
Z_Core::logError($e);
}
// Give processor a chance to finish while we're still here
$this->uploadstatus();
} else {
set_time_limit(210);
$timestamp = Zotero_Sync::processUpload($this->userID, $xml);
$this->responseXML['timestamp'] = $timestamp;
$this->responseXML->addChild('uploaded');
Zotero_Processors::notifyProcessors('index');
$this->end();
}
} catch (Exception $e) {
$this->handleUploadError($e, $xmldata);
}
}
