public static function notify($event, $type, $ids, $extraData)
{
if (!isset(Z_CONFIG::$SNS_TOPIC_STREAM_EVENTS)) {
error_log('WARNING: Z_CONFIG::$SNS_TOPIC_STREAM_EVENTS not set ' . '-- skipping stream notifications');
return;
}
if ($type == "library") {
switch ($event) {
case "modify":
$event = "topicUpdated";
break;
case "delete":
$event = "topicDeleted";
break;
default:
return;
}
$entries = [];
foreach ($ids as $id) {
$libraryID = $id;
// For most libraries, get topic from URI
if ($event != 'topicDeleted') {
// Convert 'http://zotero.org/users/...' to '/users/...'
$topic = str_replace(Zotero_URI::getBaseURI(), "/", Zotero_URI::getLibraryURI($libraryID));
} else {
$topic = '/' . Zotero_Libraries::getType($libraryID) . "s/" . Zotero_Libraries::getLibraryTypeID($libraryID);
}
$message = ["event" => $event, "topic" => $topic];
if (!empty($extraData[$id])) {
foreach ($extraData[$id] as $key => $val) {
$message[$key] = $val;
}
}
foreach (self::$messageReceivers as $receiver) {
$receiver(Z_CONFIG::$SNS_TOPIC_STREAM_EVENTS, json_encode($message, JSON_UNESCAPED_SLASHES));
}
}
} else {
if ($type == "apikey-library") {
switch ($event) {
case "add":
$event = "topicAdded";
break;
case "remove":
$event = "topicRemoved";
break;
default:
return;
}
$entries = [];
foreach ($ids as $id) {
list($apiKey, $libraryID) = explode("-", $id);
// Get topic from URI
$topic = str_replace(Zotero_URI::getBaseURI(), "/", Zotero_URI::getLibraryURI($libraryID));
$message = ["event" => $event, "apiKey" => $apiKey, "topic" => $topic];
if (!empty($extraData[$id])) {
foreach ($extraData[$id] as $key => $val) {
$message[$key] = $val;
}
}
self::send($message);
}
}
}
}
public static function createAtomFeed($action, $title, $url, $entries, $totalResults = null, $queryParams = [], Zotero_Permissions $permissions = null, $fixedValues = array())
{
if ($queryParams) {
$nonDefaultParams = Zotero_API::getNonDefaultParams($action, $queryParams);
} else {
$nonDefaultParams = [];
}
$feed = '<?xml version="1.0" encoding="UTF-8"?>' . '<feed xmlns="' . Zotero_Atom::$nsAtom . '" ' . 'xmlns:zapi="' . Zotero_Atom::$nsZoteroAPI . '"/>';
$xml = new SimpleXMLElement($feed);
$xml->title = $title;
$path = parse_url($url, PHP_URL_PATH);
// Generate canonical URI
$zoteroURI = Zotero_URI::getBaseURI() . substr($path, 1) . Zotero_API::buildQueryString($queryParams['v'], $action, $nonDefaultParams, ['v']);
$baseURI = Zotero_API::getBaseURI() . substr($path, 1);
// API version isn't included in URLs (as with the API key)
//
// It could alternatively be made a private parameter so that it didn't appear
// in the Link header either, but for now it's still there.
$excludeParams = ['v'];
$links = Zotero_API::buildLinks($action, $path, $totalResults, $queryParams, $nonDefaultParams, $excludeParams);
$xml->id = $zoteroURI;
$link = $xml->addChild("link");
$link['rel'] = "self";
$link['type'] = "application/atom+xml";
$link['href'] = $links['self'];
$link = $xml->addChild("link");
$link['rel'] = "first";
$link['type'] = "application/atom+xml";
$link['href'] = $links['first'];
if (isset($links['next'])) {
$link = $xml->addChild("link");
$link['rel'] = "next";
$link['type'] = "application/atom+xml";
$link['href'] = $links['next'];
}
$link = $xml->addChild("link");
$link['rel'] = "last";
$link['type'] = "application/atom+xml";
$link['href'] = $links['last'];
// Generate alternate URI
$link = $xml->addChild("link");
$link['rel'] = "alternate";
$link['type'] = "text/html";
$link['href'] = $links['alternate'];
if ($queryParams['v'] < 3) {
$xml->addChild("zapi:totalResults", is_numeric($totalResults) ? $totalResults : sizeOf($entries), self::$nsZoteroAPI);
}
if ($queryParams['v'] < 2) {
$xml->addChild("zapi:apiVersion", 1, self::$nsZoteroAPI);
}
$latestUpdated = '';
// Check memcached for bib data
$sharedData = array();
if ($entries && $entries[0] instanceof Zotero_Item) {
if (in_array('citation', $queryParams['content'])) {
$sharedData["citation"] = Zotero_Cite::multiGetFromMemcached("citation", $entries, $queryParams);
}
if (in_array('bib', $queryParams['content'])) {
$sharedData["bib"] = Zotero_Cite::multiGetFromMemcached("bib", $entries, $queryParams);
}
}
$xmlEntries = array();
foreach ($entries as $entry) {
if ($entry->dateModified > $latestUpdated) {
$latestUpdated = $entry->dateModified;
}
if ($entry instanceof SimpleXMLElement) {
$xmlEntries[] = $entry;
} else {
if ($entry instanceof Zotero_Collection) {
$entry = Zotero_Collections::convertCollectionToAtom($entry, $queryParams);
$xmlEntries[] = $entry;
} else {
if ($entry instanceof Zotero_Item) {
$entry = Zotero_Items::convertItemToAtom($entry, $queryParams, $permissions, $sharedData);
$xmlEntries[] = $entry;
} else {
if ($entry instanceof Zotero_Search) {
$entry = $entry->toAtom($queryParams);
$xmlEntries[] = $entry;
} else {
if ($entry instanceof Zotero_Tag) {
$xmlEntries[] = $entry->toAtom($queryParams, isset($fixedValues[$entry->id]) ? $fixedValues[$entry->id] : null);
} else {
if ($entry instanceof Zotero_Group) {
$entry = $entry->toAtom($queryParams);
$xmlEntries[] = $entry;
}
}
}
}
}
}
}
if ($latestUpdated) {
$xml->updated = Zotero_Date::sqlToISO8601($latestUpdated);
} else {
$xml->updated = str_replace("+00:00", "Z", date('c'));
}
// Import object XML nodes into document
$doc = dom_import_simplexml($xml);
foreach ($xmlEntries as $xmlEntry) {
$subNode = dom_import_simplexml($xmlEntry);
$importedNode = $doc->ownerDocument->importNode($subNode, true);
$doc->appendChild($importedNode);
}
return $xml;
}
public static function purge($libraryID)
{
$sql = "SELECT subject FROM relations " . "WHERE libraryID=? AND predicate!=? " . "UNION " . "SELECT object FROM relations " . "WHERE libraryID=? AND predicate!=?";
$uris = Zotero . DB . columnQuery($sql, array($libraryID, self::$deletedItemPredicate, $libraryID, self::$deletedItemPredicate), Zotero_Shards::getByLibraryID($libraryID));
if ($uris) {
$prefix = Zotero_URI::getBaseURI();
Zotero_DB::beginTransaction();
foreach ($uris as $uri) {
// Skip URIs that don't begin with the default prefix,
// since they don't correspond to local items
if (strpos($uri, $prefix) === false) {
continue;
}
if (preg_match('/\\/items\\//', $uri) && !Zotero_URI::getURIItem($uri)) {
self::eraseByURI($uri);
}
if (preg_match('/\\/collections\\//', $uri) && !Zotero_URI::getURICollection($uri)) {
self::eraseByURI($uri);
}
}
Zotero_DB::commit();
}
}
public static function createAtomFeed($title, $url, $entries, $totalResults = null, $queryParams = null, $apiVersion = null, $permissions = null, $fixedValues = array())
{
if ($queryParams) {
$nonDefaultParams = Zotero_API::getNonDefaultQueryParams($queryParams);
// Convert 'content' array to sorted comma-separated string
if (isset($nonDefaultParams['content'])) {
$nonDefaultParams['content'] = implode(',', $nonDefaultParams['content']);
}
} else {
$nonDefaultParams = array();
}
$feed = '<feed xmlns="' . Zotero_Atom::$nsAtom . '" ' . 'xmlns:zapi="' . Zotero_Atom::$nsZoteroAPI . '"';
if ($queryParams && $queryParams['content'][0] == 'full') {
$feed .= ' xmlns:zxfer="' . Zotero_Atom::$nsZoteroTransfer . '"';
}
$feed .= '/>';
$xml = new SimpleXMLElement($feed);
$xml->title = $title;
$path = parse_url($url, PHP_URL_PATH);
// Generate canonical URI
$zoteroURI = Zotero_URI::getBaseURI() . substr($path, 1);
if ($nonDefaultParams) {
$zoteroURI .= "?" . http_build_query($nonDefaultParams);
}
$atomURI = Zotero_Atom::getBaseURI() . substr($path, 1);
//
// Generate URIs for 'self', 'first', 'next' and 'last' links
//
// 'self'
$atomSelfURI = $atomURI;
if ($nonDefaultParams) {
$atomSelfURI .= "?" . http_build_query($nonDefaultParams);
}
// 'first'
$atomFirstURI = $atomURI;
if ($nonDefaultParams) {
$p = $nonDefaultParams;
unset($p['start']);
if ($first = http_build_query($p)) {
$atomFirstURI .= "?" . $first;
}
}
// 'last'
if (!$queryParams['start'] && $queryParams['limit'] >= $totalResults) {
$atomLastURI = $atomSelfURI;
} else {
// 'start' past results
if ($queryParams['start'] >= $totalResults) {
$lastStart = $totalResults - $queryParams['limit'];
} else {
$lastStart = $totalResults - $totalResults % $queryParams['limit'];
if ($lastStart == $totalResults) {
$lastStart = $totalResults - $queryParams['limit'];
}
}
$p = $nonDefaultParams;
if ($lastStart > 0) {
$p['start'] = $lastStart;
} else {
unset($p['start']);
}
$atomLastURI = $atomURI;
if ($last = http_build_query($p)) {
$atomLastURI .= "?" . $last;
}
// 'next'
$nextStart = $queryParams['start'] + $queryParams['limit'];
if ($nextStart < $totalResults) {
$p = $nonDefaultParams;
$p['start'] = $nextStart;
$atomNextURI = $atomURI . "?" . http_build_query($p);
}
}
$xml->id = $zoteroURI;
$link = $xml->addChild("link");
$link['rel'] = "self";
$link['type'] = "application/atom+xml";
$link['href'] = $atomSelfURI;
$link = $xml->addChild("link");
$link['rel'] = "first";
$link['type'] = "application/atom+xml";
$link['href'] = $atomFirstURI;
if (isset($atomNextURI)) {
$link = $xml->addChild("link");
$link['rel'] = "next";
$link['type'] = "application/atom+xml";
$link['href'] = $atomNextURI;
}
$link = $xml->addChild("link");
$link['rel'] = "last";
$link['type'] = "application/atom+xml";
$link['href'] = $atomLastURI;
// Generate alternate URI
$alternateURI = Zotero_URI::getBaseURI() . substr($path, 1);
if ($nonDefaultParams) {
$p = $nonDefaultParams;
if (isset($p['content'])) {
unset($p['content']);
}
if ($p) {
$alternateURI .= "?" . http_build_query($p);
}
}
$link = $xml->addChild("link");
$link['rel'] = "alternate";
$link['type'] = "text/html";
$link['href'] = $alternateURI;
$xml->addChild("zapi:totalResults", is_numeric($totalResults) ? $totalResults : sizeOf($entries), self::$nsZoteroAPI);
$xml->addChild("zapi:apiVersion", $apiVersion, self::$nsZoteroAPI);
$latestUpdated = '';
// Get bib data using parallel requests
$sharedData = array();
if ($entries && $entries[0] instanceof Zotero_Item) {
if (in_array('citation', $queryParams['content'])) {
$sharedData["citation"] = Zotero_Cite::multiGetFromCiteServer("citation", $entries, $queryParams['style']);
}
if (in_array('bib', $queryParams['content'])) {
$sharedData["bib"] = Zotero_Cite::multiGetFromCiteServer("bib", $entries, $queryParams['style']);
}
}
$xmlEntries = array();
foreach ($entries as $entry) {
if ($entry->dateModified > $latestUpdated) {
$latestUpdated = $entry->dateModified;
}
if ($entry instanceof SimpleXMLElement) {
$xmlEntries[] = $entry;
} else {
if ($entry instanceof Zotero_Collection) {
$entry = Zotero_Collections::convertCollectionToAtom($entry, $queryParams['content'], $apiVersion);
$xmlEntries[] = $entry;
} else {
if ($entry instanceof Zotero_Creator) {
$entry = Zotero_Creators::convertCreatorToAtom($entry, $queryParams['content'], $apiVersion);
$xmlEntries[] = $entry;
} else {
if ($entry instanceof Zotero_Item) {
$entry = Zotero_Items::convertItemToAtom($entry, $queryParams, $apiVersion, $permissions, $sharedData);
$xmlEntries[] = $entry;
} else {
if ($entry instanceof Zotero_Search) {
$entry = Zotero_Searches::convertSearchToAtom($entry, $queryParams['content'], $apiVersion);
$xmlEntries[] = $entry;
} else {
if ($entry instanceof Zotero_Tag) {
$xmlEntries[] = $entry->toAtom($queryParams['content'], $apiVersion, isset($fixedValues[$entry->id]) ? $fixedValues[$entry->id] : null);
} else {
if ($entry instanceof Zotero_Group) {
$entry = $entry->toAtom($queryParams['content'], $apiVersion);
$xmlEntries[] = $entry;
}
}
}
}
}
}
}
}
if ($latestUpdated) {
$xml->updated = Zotero_Date::sqlToISO8601($latestUpdated);
} else {
$xml->updated = str_replace("+00:00", "Z", date('c'));
}
// Import object XML nodes into document
$doc = dom_import_simplexml($xml);
foreach ($xmlEntries as $xmlEntry) {
$subNode = dom_import_simplexml($xmlEntry);
$importedNode = $doc->ownerDocument->importNode($subNode, true);
$doc->appendChild($importedNode);
}
return $xml;
}
