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"improved memory usage to eg. allow to use much bigger addressbooks (with 96MB memory_limit 7500 instead of 2000 contacts) by:
- having a single foreach loop (instead of two) - using references, to NOT copy files array - going back to chunked encoding (requires change in header.inc.php, see header.inc.php.template)"
This commit is contained in:
Ralf Becker
parent
3f2b6c9a21
commit
8bc9e7dc87
@ -598,118 +598,111 @@ class HTTP_WebDAV_Server
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// Microsoft Clients need this special namespace for date and time values
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$ns_defs = "xmlns:ns0=\"urn:uuid:c2f41010-65b3-11d1-a29f-00aa00c14882/\"";
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// now we loop over all returned file entries
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foreach ($files["files"] as $filekey => $file) {
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// nothing to do if no properties were returend for a file
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if (!isset($file["props"]) || !is_array($file["props"])) {
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continue;
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}
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// now loop over all returned properties
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foreach ($file["props"] as $key => $prop) {
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// as a convenience feature we do not require that user handlers
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// restrict returned properties to the requested ones
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// here we strip all unrequested entries out of the response
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// this can happen if we have allprop and prop in one propfind:
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// <allprop /><prop><blah /></prop>, eg. blah is not automatic returned by allprop
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switch(is_array($options['props']) ? $options['props'][0] : $options['props']) {
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case "all":
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// nothing to remove
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break;
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case "names":
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// only the names of all existing properties were requested
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// so we remove all values
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unset($files["files"][$filekey]["props"][$key]["val"]);
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break;
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default:
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$found = false;
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// search property name in requested properties
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foreach ((array)$options["props"] as $reqprop) {
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if ( $reqprop["name"] == $prop["name"]
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&& @$reqprop["xmlns"] == $prop["ns"]) {
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$found = true;
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break;
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}
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}
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// unset property and continue with next one if not found/requested
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if (!$found) {
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$files["files"][$filekey]["props"][$key]="";
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continue(2);
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}
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break;
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}
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// namespace handling
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if (empty($prop["ns"])) continue; // no namespace
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$ns = $prop["ns"];
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if ($ns == "DAV:") continue; // default namespace
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if (isset($ns_hash[$ns])) continue; // already known
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// register namespace
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$ns_name = "ns".(count($ns_hash) + 1);
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$ns_hash[$ns] = $ns_name;
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$ns_defs .= " xmlns:$ns_name=\"$ns\"";
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}
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// we also need to add empty entries for properties that were requested
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// but for which no values where returned by the user handler
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if (is_array($options['props'])) {
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foreach ($options["props"] as $reqprop) {
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if (!is_array($reqprop) || $reqprop['name']=="") continue; // skip empty entries, or 'all' if <allprop /> used together with <prop>
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$found = false;
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// check if property exists in result
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foreach ($file["props"] as $prop) {
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if ( $reqprop["name"] == $prop["name"]
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&& @$reqprop["xmlns"] == $prop["ns"]) {
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$found = true;
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break;
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}
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}
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if (!$found) {
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if ($reqprop["xmlns"]==="DAV:" && $reqprop["name"]==="lockdiscovery") {
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// lockdiscovery is handled by the base class
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$files["files"][$filekey]["props"][]
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= $this->mkprop("DAV:",
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"lockdiscovery",
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$this->lockdiscovery($files["files"][$filekey]['path']));
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} else {
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// add empty value for this property
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$files["files"][$filekey]["noprops"][] =
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$this->mkprop($reqprop["xmlns"], $reqprop["name"], "");
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// register property namespace if not known yet
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if ($reqprop["xmlns"] != "DAV:" && !isset($ns_hash[$reqprop["xmlns"]])) {
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$ns_name = "ns".(count($ns_hash) + 1);
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$ns_hash[$reqprop["xmlns"]] = $ns_name;
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$ns_defs .= " xmlns:$ns_name=\"$reqprop[xmlns]\"";
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}
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}
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}
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}
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}
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}
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// now we generate the reply header ...
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$this->http_status("207 Multi-Status");
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header('Content-Type: text/xml; charset="utf-8"');
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// we buffer the output to be able to send a Content-Length header, as some clients dont understand chunked encoding
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ob_start();
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// ... and payload
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echo "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n";
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echo "<D:multistatus xmlns:D=\"DAV:\">\n";
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foreach ($files["files"] as $file) {
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// now we loop over all returned file entries
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foreach ($files["files"] as $filekey => &$file) {
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// nothing to do if no properties were returend for a file
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if (isset($file["props"]) && is_array($file["props"])) {
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// now loop over all returned properties
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foreach ($file["props"] as $key => &$prop) {
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// as a convenience feature we do not require that user handlers
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// restrict returned properties to the requested ones
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// here we strip all unrequested entries out of the response
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// this can happen if we have allprop and prop in one propfind:
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// <allprop /><prop><blah /></prop>, eg. blah is not automatic returned by allprop
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switch(is_array($options['props']) ? $options['props'][0] : $options['props']) {
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case "all":
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// nothing to remove
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break;
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case "names":
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// only the names of all existing properties were requested
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// so we remove all values
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unset($file[$filekey]["props"][$key]["val"]);
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break;
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default:
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$found = false;
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// search property name in requested properties
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foreach ((array)$options["props"] as $reqprop) {
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if ( $reqprop["name"] == $prop["name"]
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&& @$reqprop["xmlns"] == $prop["ns"]) {
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$found = true;
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break;
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}
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}
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// unset property and continue with next one if not found/requested
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if (!$found) {
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$file[$filekey]["props"][$key]="";
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continue(2);
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}
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break;
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}
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// namespace handling
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if (empty($prop["ns"])) continue; // no namespace
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$ns = $prop["ns"];
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if ($ns == "DAV:") continue; // default namespace
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if (isset($ns_hash[$ns])) continue; // already known
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// register namespace
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$ns_name = "ns".(count($ns_hash) + 1);
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$ns_hash[$ns] = $ns_name;
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$ns_defs .= " xmlns:$ns_name=\"$ns\"";
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}
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// we also need to add empty entries for properties that were requested
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// but for which no values where returned by the user handler
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if (is_array($options['props'])) {
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foreach ($options["props"] as $reqprop) {
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if (!is_array($reqprop) || $reqprop['name']=="") continue; // skip empty entries, or 'all' if <allprop /> used together with <prop>
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$found = false;
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// check if property exists in result
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foreach ($file["props"] as &$prop) {
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if ( $reqprop["name"] == $prop["name"]
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&& @$reqprop["xmlns"] == $prop["ns"]) {
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$found = true;
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break;
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}
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}
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if (!$found) {
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if ($reqprop["xmlns"]==="DAV:" && $reqprop["name"]==="lockdiscovery") {
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// lockdiscovery is handled by the base class
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$file[$filekey]["props"][]
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= $this->mkprop("DAV:",
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"lockdiscovery",
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$this->lockdiscovery($file[$filekey]['path']));
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} else {
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// add empty value for this property
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$file[$filekey]["noprops"][] =
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$this->mkprop($reqprop["xmlns"], $reqprop["name"], "");
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// register property namespace if not known yet
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if ($reqprop["xmlns"] != "DAV:" && !isset($ns_hash[$reqprop["xmlns"]])) {
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$ns_name = "ns".(count($ns_hash) + 1);
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$ns_hash[$reqprop["xmlns"]] = $ns_name;
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$ns_defs .= " xmlns:$ns_name=\"$reqprop[xmlns]\"";
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}
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}
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}
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}
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}
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}
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// ignore empty or incomplete entries
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if (!is_array($file) || empty($file) || !isset($file["path"])) continue;
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$path = $file['path'];
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@ -721,7 +714,6 @@ class HTTP_WebDAV_Server
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collections end in a slash, this should be done in here
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by checking the resource attribute */
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// path needs to be urlencoded (only basic version of this class!)
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//$href = $this->_mergePathes($this->base_uri, $path);
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$href = $this->_urlencode($this->_mergePathes($this->base_uri, $path));
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echo " <D:href>$href</D:href>\n";
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@ -731,7 +723,7 @@ class HTTP_WebDAV_Server
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echo " <D:propstat>\n";
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echo " <D:prop>\n";
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foreach ($file["props"] as $key => $prop) {
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foreach ($file["props"] as $key => &$prop) {
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if (!is_array($prop)) continue;
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if (!isset($prop["name"])) continue;
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@ -869,7 +861,7 @@ class HTTP_WebDAV_Server
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echo " <D:propstat>\n";
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echo " <D:prop>\n";
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foreach ($file["noprops"] as $key => $prop) {
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foreach ($file["noprops"] as $key => &$prop) {
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if ($prop["ns"] == "DAV:") {
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echo " <D:$prop[name]/>\n";
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} else if ($prop["ns"] == "") {
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@ -888,10 +880,6 @@ class HTTP_WebDAV_Server
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}
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echo "</D:multistatus>\n";
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// sending the Content-Lenght header, before flushing the buffer
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header('Content-Length: '.ob_get_length());
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ob_end_flush();
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}
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