/**
* Converts a Zotero_Tag object to a SimpleXMLElement Atom object
*
* @param object $tag Zotero_Tag object
* @param string $content
* @return SimpleXMLElement Tag data as SimpleXML element
*/
public function toAtom($content = array('none'), $apiVersion = null, $fixedValues = null)
{
// TEMP: multi-format support
$content = $content[0];
$xml = new SimpleXMLElement('<entry xmlns="' . Zotero_Atom::$nsAtom . '" ' . 'xmlns:zapi="' . Zotero_Atom::$nsZoteroAPI . '" ' . 'xmlns:zxfer="' . Zotero_Atom::$nsZoteroTransfer . '"/>');
$xml->title = $this->name;
$author = $xml->addChild('author');
$author->name = Zotero_Libraries::getName($this->libraryID);
$author->uri = Zotero_URI::getLibraryURI($this->libraryID);
$xml->id = Zotero_URI::getTagURI($this);
$xml->published = Zotero_Date::sqlToISO8601($this->dateAdded);
$xml->updated = Zotero_Date::sqlToISO8601($this->dateModified);
$link = $xml->addChild("link");
$link['rel'] = "self";
$link['type'] = "application/atom+xml";
$link['href'] = Zotero_Atom::getTagURI($this);
$link = $xml->addChild('link');
$link['rel'] = 'alternate';
$link['type'] = 'text/html';
$link['href'] = Zotero_URI::getTagURI($this);
// Count user's linked items
if (isset($fixedValues['numItems'])) {
$numItems = $fixedValues['numItems'];
} else {
$itemIDs = $this->getLinkedItems();
$numItems = sizeOf($itemIDs);
}
$xml->addChild('zapi:numItems', $numItems, Zotero_Atom::$nsZoteroAPI);
if ($content == 'html') {
$xml->content['type'] = 'xhtml';
//$fullXML = Zotero_Tags::convertTagToXML($tag);
$fullStr = "<div/>";
$fullXML = new SimpleXMLElement($fullStr);
$fullXML->addAttribute("xmlns", Zotero_Atom::$nsXHTML);
$fNode = dom_import_simplexml($xml->content);
$subNode = dom_import_simplexml($fullXML);
$importedNode = $fNode->ownerDocument->importNode($subNode, true);
$fNode->appendChild($importedNode);
//$arr = $tag->serialize();
//require_once("views/zotero/tags.php")
} else {
if ($content == 'full') {
$xml->content['type'] = 'application/xml';
$fullXML = $this->toXML();
$fullXML->addAttribute("xmlns", Zotero_Atom::$nsZoteroTransfer);
$fNode = dom_import_simplexml($xml->content);
$subNode = dom_import_simplexml($fullXML);
$importedNode = $fNode->ownerDocument->importNode($subNode, true);
$fNode->appendChild($importedNode);
}
}
return $xml;
}
/**
* Converts a Zotero_Item object to a SimpleXMLElement Atom object
*
* Note: Increment Z_CONFIG::$CACHE_VERSION_ATOM_ENTRY when changing
* the response.
*
* @param object $item Zotero_Item object
* @param string $content
* @return SimpleXMLElement Item data as SimpleXML element
*/
public static function convertItemToAtom(Zotero_Item $item, $queryParams, $permissions, $sharedData = null)
{
$t = microtime(true);
// Uncached stuff or parts of the cache key
$version = $item->version;
$parent = $item->getSource();
$isRegularItem = !$parent && $item->isRegularItem();
$downloadDetails = $permissions->canAccess($item->libraryID, 'files') ? Zotero_Storage::getDownloadDetails($item) : false;
if ($isRegularItem) {
$numChildren = $permissions->canAccess($item->libraryID, 'notes') ? $item->numChildren() : $item->numAttachments();
}
// <id> changes based on group visibility in v1
if ($queryParams['v'] < 2) {
$id = Zotero_URI::getItemURI($item, false, true);
} else {
$id = Zotero_URI::getItemURI($item);
}
$libraryType = Zotero_Libraries::getType($item->libraryID);
// Any query parameters that have an effect on the output
// need to be added here
$allowedParams = array('content', 'style', 'css', 'linkwrap');
$cachedParams = Z_Array::filterKeys($queryParams, $allowedParams);
$cacheVersion = 2;
$cacheKey = "atomEntry_" . $item->libraryID . "/" . $item->id . "_" . md5($version . json_encode($cachedParams) . ($downloadDetails ? 'hasFile' : '') . ($libraryType == 'group' ? 'id' . $id : '')) . "_" . $queryParams['v'] . "_" . $cacheVersion . (isset(Z_CONFIG::$CACHE_VERSION_ATOM_ENTRY) ? "_" . Z_CONFIG::$CACHE_VERSION_ATOM_ENTRY : "") . (in_array('bib', $queryParams['content']) && isset(Z_CONFIG::$CACHE_VERSION_BIB) ? "_" . Z_CONFIG::$CACHE_VERSION_BIB : "");
$xmlstr = Z_Core::$MC->get($cacheKey);
if ($xmlstr) {
try {
// TEMP: Strip control characters
$xmlstr = Zotero_Utilities::cleanString($xmlstr, true);
$doc = new DOMDocument();
$doc->loadXML($xmlstr);
$xpath = new DOMXpath($doc);
$xpath->registerNamespace('atom', Zotero_Atom::$nsAtom);
$xpath->registerNamespace('zapi', Zotero_Atom::$nsZoteroAPI);
$xpath->registerNamespace('xhtml', Zotero_Atom::$nsXHTML);
// Make sure numChildren reflects the current permissions
if ($isRegularItem) {
$xpath->query('/atom:entry/zapi:numChildren')->item(0)->nodeValue = $numChildren;
}
// To prevent PHP from messing with namespace declarations,
// we have to extract, remove, and then add back <content>
// subelements. Otherwise the subelements become, say,
// <default:span xmlns="http://www.w3.org/1999/xhtml"> instead
// of just <span xmlns="http://www.w3.org/1999/xhtml">, and
// xmlns:default="http://www.w3.org/1999/xhtml" gets added to
// the parent <entry>. While you might reasonably think that
//
// echo $xml->saveXML();
//
// and
//
// $xml = new SimpleXMLElement($xml->saveXML());
// echo $xml->saveXML();
//
// would be identical, you would be wrong.
$multiFormat = !!$xpath->query('/atom:entry/atom:content/zapi:subcontent')->length;
$contentNodes = array();
if ($multiFormat) {
$contentNodes = $xpath->query('/atom:entry/atom:content/zapi:subcontent');
} else {
$contentNodes = $xpath->query('/atom:entry/atom:content');
}
foreach ($contentNodes as $contentNode) {
$contentParts = array();
while ($contentNode->hasChildNodes()) {
$contentParts[] = $doc->saveXML($contentNode->firstChild);
$contentNode->removeChild($contentNode->firstChild);
}
foreach ($contentParts as $part) {
if (!trim($part)) {
continue;
}
// Strip the namespace and add it back via SimpleXMLElement,
// which keeps it from being changed later
if (preg_match('%^<[^>]+xmlns="http://www.w3.org/1999/xhtml"%', $part)) {
$part = preg_replace('%^(<[^>]+)xmlns="http://www.w3.org/1999/xhtml"%', '$1', $part);
$html = new SimpleXMLElement($part);
$html['xmlns'] = "http://www.w3.org/1999/xhtml";
$subNode = dom_import_simplexml($html);
$importedNode = $doc->importNode($subNode, true);
$contentNode->appendChild($importedNode);
} else {
if (preg_match('%^<[^>]+xmlns="http://zotero.org/ns/transfer"%', $part)) {
$part = preg_replace('%^(<[^>]+)xmlns="http://zotero.org/ns/transfer"%', '$1', $part);
$html = new SimpleXMLElement($part);
$html['xmlns'] = "http://zotero.org/ns/transfer";
$subNode = dom_import_simplexml($html);
$importedNode = $doc->importNode($subNode, true);
$contentNode->appendChild($importedNode);
} else {
$docFrag = $doc->createDocumentFragment();
$docFrag->appendXML($part);
$contentNode->appendChild($docFrag);
}
}
}
}
$xml = simplexml_import_dom($doc);
StatsD::timing("api.items.itemToAtom.cached", (microtime(true) - $t) * 1000);
StatsD::increment("memcached.items.itemToAtom.hit");
// Skip the cache every 10 times for now, to ensure cache sanity
if (Z_Core::probability(10)) {
$xmlstr = $xml->saveXML();
} else {
return $xml;
}
} catch (Exception $e) {
error_log($xmlstr);
error_log("WARNING: " . $e);
}
}
$content = $queryParams['content'];
$contentIsHTML = sizeOf($content) == 1 && $content[0] == 'html';
$contentParamString = urlencode(implode(',', $content));
$style = $queryParams['style'];
$entry = '<?xml version="1.0" encoding="UTF-8"?>' . '<entry xmlns="' . Zotero_Atom::$nsAtom . '" xmlns:zapi="' . Zotero_Atom::$nsZoteroAPI . '"/>';
$xml = new SimpleXMLElement($entry);
$title = $item->getDisplayTitle(true);
$title = $title ? $title : '[Untitled]';
$xml->title = $title;
$author = $xml->addChild('author');
$createdByUserID = null;
$lastModifiedByUserID = null;
switch (Zotero_Libraries::getType($item->libraryID)) {
case 'group':
$createdByUserID = $item->createdByUserID;
// Used for zapi:lastModifiedByUser below
$lastModifiedByUserID = $item->lastModifiedByUserID;
break;
}
if ($createdByUserID) {
$author->name = Zotero_Users::getUsername($createdByUserID);
$author->uri = Zotero_URI::getUserURI($createdByUserID);
} else {
$author->name = Zotero_Libraries::getName($item->libraryID);
$author->uri = Zotero_URI::getLibraryURI($item->libraryID);
}
$xml->id = $id;
$xml->published = Zotero_Date::sqlToISO8601($item->dateAdded);
$xml->updated = Zotero_Date::sqlToISO8601($item->dateModified);
$link = $xml->addChild("link");
$link['rel'] = "self";
$link['type'] = "application/atom+xml";
$href = Zotero_API::getItemURI($item);
if (!$contentIsHTML) {
$href .= "?content={$contentParamString}";
}
$link['href'] = $href;
if ($parent) {
// TODO: handle group items?
$parentItem = Zotero_Items::get($item->libraryID, $parent);
$link = $xml->addChild("link");
$link['rel'] = "up";
$link['type'] = "application/atom+xml";
$href = Zotero_API::getItemURI($parentItem);
if (!$contentIsHTML) {
$href .= "?content={$contentParamString}";
}
$link['href'] = $href;
}
$link = $xml->addChild('link');
$link['rel'] = 'alternate';
$link['type'] = 'text/html';
$link['href'] = Zotero_URI::getItemURI($item, true);
// If appropriate permissions and the file is stored in ZFS, get file request link
if ($downloadDetails) {
$details = $downloadDetails;
$link = $xml->addChild('link');
$link['rel'] = 'enclosure';
$type = $item->attachmentMIMEType;
if ($type) {
$link['type'] = $type;
}
$link['href'] = $details['url'];
if (!empty($details['filename'])) {
$link['title'] = $details['filename'];
}
if (isset($details['size'])) {
$link['length'] = $details['size'];
}
}
$xml->addChild('zapi:key', $item->key, Zotero_Atom::$nsZoteroAPI);
$xml->addChild('zapi:version', $item->version, Zotero_Atom::$nsZoteroAPI);
if ($lastModifiedByUserID) {
$xml->addChild('zapi:lastModifiedByUser', Zotero_Users::getUsername($lastModifiedByUserID), Zotero_Atom::$nsZoteroAPI);
}
$xml->addChild('zapi:itemType', Zotero_ItemTypes::getName($item->itemTypeID), Zotero_Atom::$nsZoteroAPI);
if ($isRegularItem) {
$val = $item->creatorSummary;
if ($val !== '') {
$xml->addChild('zapi:creatorSummary', htmlspecialchars($val), Zotero_Atom::$nsZoteroAPI);
}
$val = $item->getField('date', true, true, true);
if ($val !== '') {
if ($queryParams['v'] < 3) {
$val = substr($val, 0, 4);
if ($val !== '0000') {
$xml->addChild('zapi:year', $val, Zotero_Atom::$nsZoteroAPI);
}
} else {
$sqlDate = Zotero_Date::multipartToSQL($val);
if (substr($sqlDate, 0, 4) !== '0000') {
$xml->addChild('zapi:parsedDate', Zotero_Date::sqlToISO8601($sqlDate), Zotero_Atom::$nsZoteroAPI);
}
}
}
$xml->addChild('zapi:numChildren', $numChildren, Zotero_Atom::$nsZoteroAPI);
}
if ($queryParams['v'] < 3) {
$xml->addChild('zapi:numTags', $item->numTags(), Zotero_Atom::$nsZoteroAPI);
}
$xml->content = '';
//
// DOM XML from here on out
//
$contentNode = dom_import_simplexml($xml->content);
$domDoc = $contentNode->ownerDocument;
$multiFormat = sizeOf($content) > 1;
// Create a root XML document for multi-format responses
if ($multiFormat) {
$contentNode->setAttribute('type', 'application/xml');
/*$multicontent = $domDoc->createElementNS(
Zotero_Atom::$nsZoteroAPI, 'multicontent'
);
$contentNode->appendChild($multicontent);*/
}
foreach ($content as $type) {
// Set the target to either the main <content>
// or a <multicontent> <content>
if (!$multiFormat) {
$target = $contentNode;
} else {
$target = $domDoc->createElementNS(Zotero_Atom::$nsZoteroAPI, 'subcontent');
$contentNode->appendChild($target);
}
$target->setAttributeNS(Zotero_Atom::$nsZoteroAPI, "zapi:type", $type);
if ($type == 'html') {
if (!$multiFormat) {
$target->setAttribute('type', 'xhtml');
}
$div = $domDoc->createElementNS(Zotero_Atom::$nsXHTML, 'div');
$target->appendChild($div);
$html = $item->toHTML(true);
$subNode = dom_import_simplexml($html);
$importedNode = $domDoc->importNode($subNode, true);
$div->appendChild($importedNode);
} else {
if ($type == 'citation') {
if (!$multiFormat) {
$target->setAttribute('type', 'xhtml');
}
if (isset($sharedData[$type][$item->libraryID . "/" . $item->key])) {
$html = $sharedData[$type][$item->libraryID . "/" . $item->key];
} else {
if ($sharedData !== null) {
//error_log("Citation not found in sharedData -- retrieving individually");
}
$html = Zotero_Cite::getCitationFromCiteServer($item, $queryParams);
}
$html = new SimpleXMLElement($html);
$html['xmlns'] = Zotero_Atom::$nsXHTML;
$subNode = dom_import_simplexml($html);
$importedNode = $domDoc->importNode($subNode, true);
$target->appendChild($importedNode);
} else {
if ($type == 'bib') {
if (!$multiFormat) {
$target->setAttribute('type', 'xhtml');
}
if (isset($sharedData[$type][$item->libraryID . "/" . $item->key])) {
$html = $sharedData[$type][$item->libraryID . "/" . $item->key];
} else {
if ($sharedData !== null) {
//error_log("Bibliography not found in sharedData -- retrieving individually");
}
$html = Zotero_Cite::getBibliographyFromCitationServer(array($item), $queryParams);
}
$html = new SimpleXMLElement($html);
$html['xmlns'] = Zotero_Atom::$nsXHTML;
$subNode = dom_import_simplexml($html);
$importedNode = $domDoc->importNode($subNode, true);
$target->appendChild($importedNode);
} else {
if ($type == 'json') {
if ($queryParams['v'] < 2) {
$target->setAttributeNS(Zotero_Atom::$nsZoteroAPI, "zapi:etag", $item->etag);
}
$textNode = $domDoc->createTextNode($item->toJSON(false, $queryParams, true));
$target->appendChild($textNode);
} else {
if ($type == 'csljson') {
$arr = $item->toCSLItem();
$json = Zotero_Utilities::formatJSON($arr);
$textNode = $domDoc->createTextNode($json);
$target->appendChild($textNode);
} else {
if (in_array($type, Zotero_Translate::$exportFormats)) {
$export = Zotero_Translate::doExport(array($item), $type);
$target->setAttribute('type', $export['mimeType']);
// Insert XML into document
if (preg_match('/\\+xml$/', $export['mimeType'])) {
// Strip prolog
$body = preg_replace('/^<\\?xml.+\\n/', "", $export['body']);
$subNode = $domDoc->createDocumentFragment();
$subNode->appendXML($body);
$target->appendChild($subNode);
} else {
$textNode = $domDoc->createTextNode($export['body']);
$target->appendChild($textNode);
}
}
}
}
}
}
}
}
// TEMP
if ($xmlstr) {
$uncached = $xml->saveXML();
if ($xmlstr != $uncached) {
$uncached = str_replace('<zapi:year></zapi:year>', '<zapi:year/>', $uncached);
$uncached = str_replace('<content zapi:type="none"></content>', '<content zapi:type="none"/>', $uncached);
$uncached = str_replace('<zapi:subcontent zapi:type="coins" type="text/html"></zapi:subcontent>', '<zapi:subcontent zapi:type="coins" type="text/html"/>', $uncached);
$uncached = str_replace('<title></title>', '<title/>', $uncached);
$uncached = str_replace('<note></note>', '<note/>', $uncached);
$uncached = str_replace('<path></path>', '<path/>', $uncached);
$uncached = str_replace('<td></td>', '<td/>', $uncached);
if ($xmlstr != $uncached) {
error_log("Cached Atom item entry does not match");
error_log(" Cached: " . $xmlstr);
error_log("Uncached: " . $uncached);
Z_Core::$MC->set($cacheKey, $uncached, 3600);
// 1 hour for now
}
}
} else {
$xmlstr = $xml->saveXML();
Z_Core::$MC->set($cacheKey, $xmlstr, 3600);
// 1 hour for now
StatsD::timing("api.items.itemToAtom.uncached", (microtime(true) - $t) * 1000);
StatsD::increment("memcached.items.itemToAtom.miss");
}
return $xml;
}
/**
* Generate a SimpleXMLElement Atom object for the search
*
* @param array $queryParams
* @return SimpleXMLElement
*/
public function toAtom($queryParams)
{
if (!$this->loaded) {
$this->load();
}
// TEMP: multi-format support
if (!empty($queryParams['content'])) {
$content = $queryParams['content'];
} else {
$content = array('none');
}
$content = $content[0];
$xml = new SimpleXMLElement('<?xml version="1.0" encoding="UTF-8"?>' . '<entry xmlns="' . Zotero_Atom::$nsAtom . '" xmlns:zapi="' . Zotero_Atom::$nsZoteroAPI . '"/>');
$xml->title = $this->name ? $this->name : '[Untitled]';
$author = $xml->addChild('author');
// TODO: group item creator
$author->name = Zotero_Libraries::getName($this->libraryID);
$author->uri = Zotero_URI::getLibraryURI($this->libraryID, true);
$xml->id = Zotero_URI::getSearchURI($this);
$xml->published = Zotero_Date::sqlToISO8601($this->dateAdded);
$xml->updated = Zotero_Date::sqlToISO8601($this->dateModified);
$link = $xml->addChild("link");
$link['rel'] = "self";
$link['type'] = "application/atom+xml";
$link['href'] = Zotero_API::getSearchURI($this);
$xml->addChild('zapi:key', $this->key, Zotero_Atom::$nsZoteroAPI);
$xml->addChild('zapi:version', $this->version, Zotero_Atom::$nsZoteroAPI);
if ($content == 'json') {
$xml->content['type'] = 'application/json';
$xml->content = Zotero_Utilities::formatJSON($this->toJSON($queryParams));
}
return $xml;
}
protected function getFeedNamePrefix($libraryID = false)
{
$prefix = "Zotero / ";
if ($libraryID) {
$type = Zotero_Libraries::getType($this->objectLibraryID);
} else {
$type = false;
}
switch ($type) {
case "user":
$title = $prefix . Zotero_Libraries::getName($this->objectLibraryID);
break;
case "group":
$title = $prefix . "" . Zotero_Libraries::getName($this->objectLibraryID) . " Group";
break;
default:
return $prefix;
}
return $title . " / ";
}
public function itemToAtom($itemID)
{
if (!is_int($itemID)) {
throw new Exception("itemID must be an integer (was " . gettype($itemID) . ")");
}
if (!$this->loaded) {
$this->load();
}
//$groupUserData = $this->getUserData($itemID);
$item = Zotero_Items::get($this->libraryID, $itemID);
if (!$item) {
throw new Exception("Item {$itemID} doesn't exist");
}
$xml = new SimpleXMLElement('<?xml version="1.0" encoding="UTF-8"?>' . '<entry xmlns="' . Zotero_Atom::$nsAtom . '" ' . 'xmlns:zapi="' . Zotero_Atom::$nsZoteroAPI . '" ' . 'xmlns:xfer="' . Zotero_Atom::$nsZoteroTransfer . '"/>');
$title = $item->getDisplayTitle(true);
$title = $title ? $title : '[Untitled]';
// Strip HTML from note titles
if ($item->isNote()) {
// Clean and strip HTML, giving us an HTML-encoded plaintext string
$title = strip_tags(Zotero_Notes::sanitize($title));
// Unencode plaintext string
$title = html_entity_decode($title);
}
$xml->title = $title;
$author = $xml->addChild('author');
$author->name = Zotero_Libraries::getName($item->libraryID);
$author->uri = Zotero_URI::getLibraryURI($item->libraryID);
$xml->id = Zotero_URI::getItemURI($item);
$xml->published = Zotero_Date::sqlToISO8601($item->dateAdded);
$xml->updated = Zotero_Date::sqlToISO8601($item->dateModified);
$link = $xml->addChild("link");
$link['rel'] = "self";
$link['type'] = "application/atom+xml";
$link['href'] = Zotero_API::getItemURI($item);
$link = $xml->addChild('link');
$link['rel'] = 'alternate';
$link['type'] = 'text/html';
$link['href'] = Zotero_URI::getItemURI($item, true);
$xml->content['type'] = 'application/xml';
$itemXML = new SimpleXMLElement('<item xmlns="' . Zotero_Atom::$nsZoteroTransfer . '"/>');
// This method of adding the element seems to be necessary to get the
// namespace prefix to show up
$fNode = dom_import_simplexml($xml->content);
$subNode = dom_import_simplexml($itemXML);
$importedNode = $fNode->ownerDocument->importNode($subNode, true);
$fNode->appendChild($importedNode);
$xml->content->item['id'] = $itemID;
return $xml;
}
/**
* Converts a Zotero_Item object to a SimpleXMLElement Atom object
*
* @param object $item Zotero_Item object
* @param string $content
* @return SimpleXMLElement Item data as SimpleXML element
*/
public static function convertItemToAtom(Zotero_Item $item, $queryParams, $apiVersion = null, $permissions = null, $sharedData = null)
{
$content = $queryParams['content'];
$contentIsHTML = sizeOf($content) == 1 && $content[0] == 'html';
$contentParamString = urlencode(implode(',', $content));
$style = $queryParams['style'];
$entry = '<entry xmlns="' . Zotero_Atom::$nsAtom . '" xmlns:zapi="' . Zotero_Atom::$nsZoteroAPI . '"/>';
$xml = new SimpleXMLElement($entry);
$title = $item->getDisplayTitle(true);
$title = $title ? $title : '[Untitled]';
$xml->title = $title;
$author = $xml->addChild('author');
$createdByUserID = null;
switch (Zotero_Libraries::getType($item->libraryID)) {
case 'group':
$createdByUserID = $item->createdByUserID;
break;
}
if ($createdByUserID) {
$author->name = Zotero_Users::getUsername($createdByUserID);
$author->uri = Zotero_URI::getUserURI($createdByUserID);
} else {
$author->name = Zotero_Libraries::getName($item->libraryID);
$author->uri = Zotero_URI::getLibraryURI($item->libraryID);
}
$id = Zotero_URI::getItemURI($item);
/*if (!$contentIsHTML) {
$id .= "?content=$content";
}*/
$xml->id = $id;
$xml->published = Zotero_Date::sqlToISO8601($item->getField('dateAdded'));
$xml->updated = Zotero_Date::sqlToISO8601($item->getField('dateModified'));
$link = $xml->addChild("link");
$link['rel'] = "self";
$link['type'] = "application/atom+xml";
$href = Zotero_Atom::getItemURI($item);
if (!$contentIsHTML) {
$href .= "?content={$contentParamString}";
}
$link['href'] = $href;
$parent = $item->getSource();
if ($parent) {
// TODO: handle group items?
$parentItem = Zotero_Items::get($item->libraryID, $parent);
$link = $xml->addChild("link");
$link['rel'] = "up";
$link['type'] = "application/atom+xml";
$href = Zotero_Atom::getItemURI($parentItem);
if (!$contentIsHTML) {
$href .= "?content={$contentParamString}";
}
$link['href'] = $href;
}
$link = $xml->addChild('link');
$link['rel'] = 'alternate';
$link['type'] = 'text/html';
$link['href'] = Zotero_URI::getItemURI($item);
// If appropriate permissions and the file is stored in ZFS, get file request link
if ($permissions && $permissions->canAccess($item->libraryID, 'files')) {
$details = Zotero_S3::getDownloadDetails($item);
if ($details) {
$link = $xml->addChild('link');
$link['rel'] = 'enclosure';
$type = $item->attachmentMIMEType;
if ($type) {
$link['type'] = $type;
}
$link['href'] = $details['url'];
if (!empty($details['filename'])) {
$link['title'] = $details['filename'];
}
if (!empty($details['size'])) {
$link['length'] = $details['size'];
}
}
}
$xml->addChild('zapi:key', $item->key, Zotero_Atom::$nsZoteroAPI);
$xml->addChild('zapi:itemType', Zotero_ItemTypes::getName($item->itemTypeID), Zotero_Atom::$nsZoteroAPI);
if ($item->isRegularItem()) {
$val = $item->creatorSummary;
if ($val !== '') {
$xml->addChild('zapi:creatorSummary', htmlspecialchars($val), Zotero_Atom::$nsZoteroAPI);
}
$val = substr($item->getField('date', true, true, true), 0, 4);
if ($val !== '' && $val !== '0000') {
$xml->addChild('zapi:year', $val, Zotero_Atom::$nsZoteroAPI);
}
}
if (!$parent && $item->isRegularItem()) {
if ($permissions && !$permissions->canAccess($item->libraryID, 'notes')) {
$numChildren = $item->numAttachments();
} else {
$numChildren = $item->numChildren();
}
$xml->addChild('zapi:numChildren', $numChildren, Zotero_Atom::$nsZoteroAPI);
}
$xml->addChild('zapi:numTags', $item->numTags(), Zotero_Atom::$nsZoteroAPI);
$xml->content = '';
//
// DOM XML from here on out
//
$contentNode = dom_import_simplexml($xml->content);
$domDoc = $contentNode->ownerDocument;
$multiFormat = sizeOf($content) > 1;
// Create a root XML document for multi-format responses
if ($multiFormat) {
$contentNode->setAttribute('type', 'application/xml');
/*$multicontent = $domDoc->createElementNS(
Zotero_Atom::$nsZoteroAPI, 'multicontent'
);
$contentNode->appendChild($multicontent);*/
}
foreach ($content as $type) {
// Set the target to either the main <content>
// or a <multicontent> <content>
if (!$multiFormat) {
$target = $contentNode;
} else {
$target = $domDoc->createElementNS(Zotero_Atom::$nsZoteroAPI, 'subcontent');
$contentNode->appendChild($target);
}
$target->setAttributeNS(Zotero_Atom::$nsZoteroAPI, "zapi:type", $type);
if ($type == 'html') {
if (!$multiFormat) {
$target->setAttribute('type', 'xhtml');
}
$div = $domDoc->createElement('div');
$div->setAttribute('xmlns', Zotero_Atom::$nsXHTML);
$target->appendChild($div);
$html = $item->toHTML(true);
$subNode = dom_import_simplexml($html);
$importedNode = $domDoc->importNode($subNode, true);
$div->appendChild($importedNode);
} else {
if ($type == 'citation') {
if (!$multiFormat) {
$target->setAttribute('type', 'xhtml');
}
if (isset($sharedData[$type][$item->libraryID . "/" . $item->key])) {
$html = $sharedData[$type][$item->libraryID . "/" . $item->key];
} else {
if ($sharedData !== null) {
error_log("Citation not found in sharedData -- retrieving individually");
}
$html = Zotero_Cite::getCitationFromCiteServer($item, $style);
}
$html = new SimpleXMLElement($html);
$html['xmlns'] = Zotero_Atom::$nsXHTML;
$subNode = dom_import_simplexml($html);
$importedNode = $domDoc->importNode($subNode, true);
$target->appendChild($importedNode);
} else {
if ($type == 'bib') {
if (!$multiFormat) {
$target->setAttribute('type', 'xhtml');
}
if (isset($sharedData[$type][$item->libraryID . "/" . $item->key])) {
$html = $sharedData[$type][$item->libraryID . "/" . $item->key];
} else {
if ($sharedData !== null) {
error_log("Bibliography not found in sharedData -- retrieving individually");
}
$html = Zotero_Cite::getBibliographyFromCitationServer(array($item), $style);
}
$html = new SimpleXMLElement($html);
$html['xmlns'] = Zotero_Atom::$nsXHTML;
$subNode = dom_import_simplexml($html);
$importedNode = $domDoc->importNode($subNode, true);
$target->appendChild($importedNode);
} else {
if ($type == 'json') {
$target->setAttributeNS(Zotero_Atom::$nsZoteroAPI, "zapi:etag", $item->etag);
$textNode = $domDoc->createTextNode($item->toJSON(false, $queryParams['pprint'], true));
$target->appendChild($textNode);
} else {
if ($type == 'csljson') {
$arr = $item->toCSLItem();
$mask = JSON_HEX_TAG | JSON_HEX_AMP;
if ($queryParams['pprint']) {
$json = Zotero_Utilities::json_encode_pretty($arr, $mask);
} else {
$json = json_encode($arr, $mask);
}
// Until JSON_UNESCAPED_SLASHES is available
$json = str_replace('\\/', '/', $json);
$textNode = $domDoc->createTextNode($json);
$target->appendChild($textNode);
} else {
if ($type == 'full') {
if (!$multiFormat) {
$target->setAttribute('type', 'xhtml');
}
$fullXML = Zotero_Items::convertItemToXML($item, array(), $apiVersion);
$fullXML->addAttribute("xmlns", Zotero_Atom::$nsZoteroTransfer);
$subNode = dom_import_simplexml($fullXML);
$importedNode = $domDoc->importNode($subNode, true);
$target->appendChild($importedNode);
} else {
if (in_array($type, Zotero_Translate::$exportFormats)) {
$export = Zotero_Translate::doExport(array($item), $type);
$target->setAttribute('type', $export['mimeType']);
// Insert XML into document
if (preg_match('/\\+xml$/', $export['mimeType'])) {
// Strip prolog
$body = preg_replace('/^<\\?xml.+\\n/', "", $export['body']);
$subNode = $domDoc->createDocumentFragment();
$subNode->appendXML($body);
$target->appendChild($subNode);
} else {
$textNode = $domDoc->createTextNode($export['body']);
$target->appendChild($textNode);
}
}
}
}
}
}
}
}
}
return $xml;
}
/**
* Converts a Zotero_Collection object to a SimpleXMLElement Atom object
*
* @param Zotero_Collection $collection Zotero_Collection object
* @param array $requestParams
* @return SimpleXMLElement Collection data as SimpleXML element
*/
public static function convertCollectionToAtom(Zotero_Collection $collection, $requestParams)
{
// TEMP: multi-format support
if (!empty($requestParams['content'])) {
$content = $requestParams['content'];
} else {
$content = array('none');
}
$content = $content[0];
$xml = new SimpleXMLElement('<?xml version="1.0" encoding="UTF-8"?>' . '<entry xmlns="' . Zotero_Atom::$nsAtom . '" xmlns:zapi="' . Zotero_Atom::$nsZoteroAPI . '"/>');
$title = $collection->name ? $collection->name : '[Untitled]';
$xml->title = $title;
$author = $xml->addChild('author');
// TODO: group item creator
$author->name = Zotero_Libraries::getName($collection->libraryID);
$author->uri = Zotero_URI::getLibraryURI($collection->libraryID, true);
$xml->id = Zotero_URI::getCollectionURI($collection);
$xml->published = Zotero_Date::sqlToISO8601($collection->dateAdded);
$xml->updated = Zotero_Date::sqlToISO8601($collection->dateModified);
$link = $xml->addChild("link");
$link['rel'] = "self";
$link['type'] = "application/atom+xml";
$link['href'] = Zotero_API::getCollectionURI($collection);
$parent = $collection->parent;
if ($parent) {
$parentCol = self::get($collection->libraryID, $parent);
$link = $xml->addChild("link");
$link['rel'] = "up";
$link['type'] = "application/atom+xml";
$link['href'] = Zotero_API::getCollectionURI($parentCol);
}
$link = $xml->addChild('link');
$link['rel'] = 'alternate';
$link['type'] = 'text/html';
$link['href'] = Zotero_URI::getCollectionURI($collection, true);
$xml->addChild('zapi:key', $collection->key, Zotero_Atom::$nsZoteroAPI);
$xml->addChild('zapi:version', $collection->version, Zotero_Atom::$nsZoteroAPI);
$collections = $collection->getChildCollections();
$xml->addChild('zapi:numCollections', sizeOf($collections), Zotero_Atom::$nsZoteroAPI);
$xml->addChild('zapi:numItems', $collection->numItems(), Zotero_Atom::$nsZoteroAPI);
if ($content == 'json') {
$xml->content['type'] = 'application/json';
// Deprecated
if ($requestParams['v'] < 2) {
$xml->content->addAttribute('zapi:etag', $collection->etag, Zotero_Atom::$nsZoteroAPI);
$xml->content['etag'] = $collection->etag;
}
$xml->content = Zotero_Utilities::formatJSON($collection->toJSON($requestParams));
}
return $xml;
}
/**
* Converts a Zotero_Tag object to a SimpleXMLElement Atom object
*
* @return SimpleXMLElement Tag data as SimpleXML element
*/
public function toAtom($queryParams, $fixedValues = null)
{
if (!empty($queryParams['content'])) {
$content = $queryParams['content'];
} else {
$content = array('none');
}
// TEMP: multi-format support
$content = $content[0];
$xml = new SimpleXMLElement('<?xml version="1.0" encoding="UTF-8"?>' . '<entry xmlns="' . Zotero_Atom::$nsAtom . '" xmlns:zapi="' . Zotero_Atom::$nsZoteroAPI . '"/>');
$xml->title = $this->name;
$author = $xml->addChild('author');
$author->name = Zotero_Libraries::getName($this->libraryID);
$author->uri = Zotero_URI::getLibraryURI($this->libraryID, true);
$xml->id = Zotero_URI::getTagURI($this);
$xml->published = Zotero_Date::sqlToISO8601($this->dateAdded);
$xml->updated = Zotero_Date::sqlToISO8601($this->dateModified);
$link = $xml->addChild("link");
$link['rel'] = "self";
$link['type'] = "application/atom+xml";
$link['href'] = Zotero_API::getTagURI($this);
$link = $xml->addChild('link');
$link['rel'] = 'alternate';
$link['type'] = 'text/html';
$link['href'] = Zotero_URI::getTagURI($this, true);
// Count user's linked items
if (isset($fixedValues['numItems'])) {
$numItems = $fixedValues['numItems'];
} else {
$numItems = sizeOf($this->getLinkedItems(true));
}
$xml->addChild('zapi:numItems', $numItems, Zotero_Atom::$nsZoteroAPI);
if ($content == 'html') {
$xml->content['type'] = 'xhtml';
$contentXML = new SimpleXMLElement("<div/>");
$contentXML->addAttribute("xmlns", Zotero_Atom::$nsXHTML);
$fNode = dom_import_simplexml($xml->content);
$subNode = dom_import_simplexml($contentXML);
$importedNode = $fNode->ownerDocument->importNode($subNode, true);
$fNode->appendChild($importedNode);
} else {
if ($content == 'json') {
$xml->content['type'] = 'application/json';
$xml->content = Zotero_Utilities::formatJSON($this->toJSON());
}
}
return $xml;
}
/**
* Converts a Zotero_Collection object to a SimpleXMLElement Atom object
*
* @param object $item Zotero_Collection object
* @param string $content
* @return SimpleXMLElement Collection data as SimpleXML element
*/
public static function convertCollectionToAtom(Zotero_Collection $collection, $content = array('none'))
{
// TEMP: multi-format support
$content = $content[0];
$xml = new SimpleXMLElement('<entry xmlns="' . Zotero_Atom::$nsAtom . '" xmlns:zapi="' . Zotero_Atom::$nsZoteroAPI . '"/>');
$title = $collection->name ? $collection->name : '[Untitled]';
$xml->title = $title;
$author = $xml->addChild('author');
// TODO: group item creator
$author->name = Zotero_Libraries::getName($collection->libraryID);
$author->uri = Zotero_URI::getLibraryURI($collection->libraryID);
$xml->id = Zotero_URI::getCollectionURI($collection);
$xml->published = Zotero_Date::sqlToISO8601($collection->dateAdded);
$xml->updated = Zotero_Date::sqlToISO8601($collection->dateModified);
$link = $xml->addChild("link");
$link['rel'] = "self";
$link['type'] = "application/atom+xml";
$link['href'] = Zotero_Atom::getCollectionURI($collection);
$parent = $collection->parent;
if ($parent) {
$parentCol = self::get($collection->libraryID, $parent);
$link = $xml->addChild("link");
$link['rel'] = "up";
$link['type'] = "application/atom+xml";
$link['href'] = Zotero_Atom::getCollectionURI($parentCol);
}
$link = $xml->addChild('link');
$link['rel'] = 'alternate';
$link['type'] = 'text/html';
$link['href'] = Zotero_URI::getCollectionURI($collection);
$xml->addChild('zapi:key', $collection->key, Zotero_Atom::$nsZoteroAPI);
$collections = $collection->getChildCollections();
$xml->addChild('zapi:numCollections', sizeOf($collections), Zotero_Atom::$nsZoteroAPI);
$xml->addChild('zapi:numItems', $collection->numItems(), Zotero_Atom::$nsZoteroAPI);
if ($content == 'json') {
$xml->content['type'] = 'application/json';
$xml->content->addAttribute('zapi:etag', $collection->etag, Zotero_Atom::$nsZoteroAPI);
// TODO: remove non-namespaced attribute
$xml->content['etag'] = $collection->etag;
$xml->content = $collection->toJSON();
} else {
if ($content == 'full') {
$xml->content['type'] = 'application/xml';
$fullXML = Zotero_Collections::convertCollectionToXML($collection);
$fullXML->addAttribute("xmlns", Zotero_Atom::$nsZoteroTransfer);
$fNode = dom_import_simplexml($xml->content);
$subNode = dom_import_simplexml($fullXML);
$importedNode = $fNode->ownerDocument->importNode($subNode, true);
$fNode->appendChild($importedNode);
}
}
return $xml;
}
