1554 lines
50 KiB
PHP
1554 lines
50 KiB
PHP
<?php
|
|
/*
|
|
CVS:
|
|
$Id: class_webdav_client.php,v 1.7 2004/08/18 14:12:40 chris Exp $
|
|
$Author: chris $
|
|
$Date: 2004/08/18 14:12:40 $
|
|
$Revision: 1.7 $
|
|
*/
|
|
/**
|
|
* webdav_client v0.1.3, a php based webdav client class.
|
|
*
|
|
* Copyright (C) 2003 Christian Juerges
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library 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
|
|
* Lesser General Public License for more details.
|
|
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*
|
|
*/
|
|
/**
|
|
* class webdav client. a php based nearly rfc 2518 conforming client.
|
|
*
|
|
* This class implements methods to get access to an webdav server.
|
|
* Most of the methods return false on error, an passtrough integer (http response status) on success
|
|
* or an array in case of a multistatus response (207) from the webdav server.
|
|
* It's your responsibility to handle the webdav server responses in an proper manner.
|
|
*
|
|
* @author Christian Juerges <christian.juerges@xwave.ch>, Xwave GmbH, Josefstr. 92, 8005 Zuerich - Switzerland.
|
|
* @version 0.1.3
|
|
* @copyright (C) 2003/2004, Christian Juerges
|
|
* @license http://opensource.org/licenses/lgpl-license.php GNU Lesser General Public License
|
|
* @package webdav_client
|
|
*/
|
|
class webdav_client {
|
|
|
|
var $_debug = false;
|
|
var $_fp;
|
|
var $_server;
|
|
var $_port = 80;
|
|
var $_path ='/';
|
|
var $_user;
|
|
var $_protocol = 'HTTP/1.0';
|
|
var $_pass;
|
|
var $_socket_timeout = 5;
|
|
var $_errno;
|
|
var $_errstr;
|
|
var $_user_agent = 'php class webdav_client $Revision: 1.7 $';
|
|
var $_crlf = "\r\n";
|
|
var $_req;
|
|
var $_resp_status;
|
|
var $_parser;
|
|
var $_xmltree;
|
|
|
|
var $_tree;
|
|
var $_ls = array();
|
|
var $_ls_ref;
|
|
var $_ls_ref_cdata;
|
|
|
|
var $_delete = array();
|
|
var $_delete_ref;
|
|
var $_delete_ref_cdata;
|
|
|
|
var $_lock = array();
|
|
var $_lock_ref;
|
|
var $_lock_rec_cdata;
|
|
|
|
|
|
var $_null = NULL;
|
|
var $_header='';
|
|
var $_body='';
|
|
var $_connection_closed = false;
|
|
var $_maxheaderlenth = 1000;
|
|
|
|
/**#@-*/
|
|
|
|
//modified by mainboarder.de
|
|
var $_ssl = '';
|
|
|
|
function set_ssl($ssl) {
|
|
if ($ssl == 1) {
|
|
$this->_ssl = 'ssl://';
|
|
} else {
|
|
$this->_ssl = '';
|
|
}
|
|
$this->_error_log('SSL extention was set to ' . $this->_ssl);
|
|
}
|
|
|
|
/**
|
|
* Constructor - does nothing...
|
|
*/
|
|
function webdav_client() {
|
|
// do nothing here
|
|
}
|
|
|
|
/**
|
|
* Set webdav server. FQN or IP address.
|
|
* @param string server
|
|
*/
|
|
function set_server($server) {
|
|
$this->_server = $server;
|
|
}
|
|
|
|
/**
|
|
* Set tcp port of webdav server. Default is 80.
|
|
* @param int port
|
|
*/
|
|
function set_port($port) {
|
|
$this->_port = $port;
|
|
}
|
|
|
|
/**
|
|
* set user name for authentification
|
|
* @param string user
|
|
*/
|
|
function set_user($user) {
|
|
$this->_user = $user;
|
|
}
|
|
|
|
/**
|
|
* Set password for authentification
|
|
* @param string pass
|
|
*/
|
|
function set_pass($pass) {
|
|
$this->_pass = $pass;
|
|
}
|
|
|
|
/**
|
|
* set debug on (1) or off (0).
|
|
* produces a lot of debug messages in webservers error log if set to on (1).
|
|
* @param bool debug
|
|
*/
|
|
function set_debug($debug) {
|
|
$this->_debug = $debug;
|
|
}
|
|
|
|
/**
|
|
* Set which HTTP protocol will be used.
|
|
* Value 1 defines that HTTP/1.1 should be used (Keeps Connection to webdav server alive).
|
|
* Otherwise HTTP/1.0 will be used.
|
|
* @param int version
|
|
*/
|
|
function set_protocol($version) {
|
|
if ($version == 1) {
|
|
$this->_protocol = 'HTTP/1.1';
|
|
} else {
|
|
$this->_protocol = 'HTTP/1.0';
|
|
}
|
|
$this->_error_log('HTTP Protocol was set to ' . $this->_protocol);
|
|
|
|
}
|
|
|
|
/**
|
|
* Convert ISO 8601 Date and Time Profile used in RFC 2518 to an unix timestamp.
|
|
* @access private
|
|
* @param string iso8601
|
|
* @return unixtimestamp on sucess. Otherwise false.
|
|
*/
|
|
function iso8601totime($iso8601) {
|
|
/*
|
|
|
|
date-time = full-date "T" full-time
|
|
|
|
full-date = date-fullyear "-" date-month "-" date-mday
|
|
full-time = partial-time time-offset
|
|
|
|
date-fullyear = 4DIGIT
|
|
date-month = 2DIGIT ; 01-12
|
|
date-mday = 2DIGIT ; 01-28, 01-29, 01-30, 01-31 based on
|
|
month/year
|
|
time-hour = 2DIGIT ; 00-23
|
|
time-minute = 2DIGIT ; 00-59
|
|
time-second = 2DIGIT ; 00-59, 00-60 based on leap second rules
|
|
time-secfrac = "." 1*DIGIT
|
|
time-numoffset = ("+" / "-") time-hour ":" time-minute
|
|
time-offset = "Z" / time-numoffset
|
|
|
|
partial-time = time-hour ":" time-minute ":" time-second
|
|
[time-secfrac]
|
|
*/
|
|
|
|
$regs = array();
|
|
/* [1] [2] [3] [4] [5] [6] */
|
|
if (ereg('^([0-9]{4})-([0-9]{2})-([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})Z$', $iso8601, $regs)) {
|
|
return mktime($regs[4],$regs[5], $regs[6], $regs[2], $regs[3], $regs[1]);
|
|
}
|
|
// to be done: regex for partial-time...apache webdav mod never returns partial-time
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Open's a socket to a webdav server
|
|
* @return bool true on success. Otherwise false.
|
|
*/
|
|
function open() {
|
|
// let's try to open a socket
|
|
$this->_error_log('open a socket connection');
|
|
$this->_fp = fsockopen ($this->_ssl . $this->_server, $this->_port, $this->_errno, $this->_errstr, $this->_socket_timeout);
|
|
// set_time_limit(30);
|
|
socket_set_blocking($this->_fp, true);
|
|
if (!$this->_fp) {
|
|
$this->_error_log("$this->_errstr ($this->_errno)\n");
|
|
return false;
|
|
} else {
|
|
$this->_connection_closed = false;
|
|
$this->_error_log('socket is open: ' . $this->_fp);
|
|
return true;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Closes an open socket.
|
|
*/
|
|
function close() {
|
|
$this->_error_log('closing socket ' . $this->_fp);
|
|
$this->_connection_closed = true;
|
|
fclose($this->_fp);
|
|
}
|
|
|
|
/**
|
|
* Check's if server is a webdav compliant server.
|
|
* True if server returns a DAV Element in Header and when
|
|
* schema 1,2 is supported.
|
|
* @return bool true if server is webdav server. Otherwise false.
|
|
*/
|
|
function check_webdav() {
|
|
$resp = $this->options();
|
|
if (!$resp) {
|
|
return false;
|
|
}
|
|
$this->_error_log($resp['header']['DAV']);
|
|
// check schema
|
|
if (preg_match('/1,2/', $resp['header']['DAV'])) {
|
|
return true;
|
|
}
|
|
// otherwise return false
|
|
return false;
|
|
}
|
|
|
|
|
|
/**
|
|
* Get options from webdav server.
|
|
* @return array with all header fields returned from webdav server. false if server does not speak http.
|
|
*/
|
|
function options() {
|
|
$this->_header_unset();
|
|
$this->_create_basic_request('OPTIONS');
|
|
$this->_send_request();
|
|
$this->_get_respond();
|
|
$response = $this->_process_respond();
|
|
// validate the response ...
|
|
// check http-version
|
|
if ($response['status']['http-version'] == 'HTTP/1.1' ||
|
|
$response['status']['http-version'] == 'HTTP/1.0') {
|
|
return $response;
|
|
}
|
|
$this->_error_log('Response was not even http');
|
|
return false;
|
|
|
|
}
|
|
|
|
/**
|
|
* Public method mkcol
|
|
*
|
|
* Creates a new collection/directory on a webdav server
|
|
* @param string path
|
|
* @return int status code received as reponse from webdav server (see rfc 2518)
|
|
*/
|
|
function mkcol($path) {
|
|
$this->_path = $this->_translate_uri($path);
|
|
$this->_header_unset();
|
|
$this->_create_basic_request('MKCOL');
|
|
$this->_send_request();
|
|
$this->_get_respond();
|
|
$response = $this->_process_respond();
|
|
// validate the response ...
|
|
// check http-version
|
|
if ($response['status']['http-version'] == 'HTTP/1.1' ||
|
|
$response['status']['http-version'] == 'HTTP/1.0') {
|
|
/* seems to be http ... proceed
|
|
just return what server gave us
|
|
rfc 2518 says:
|
|
201 (Created) - The collection or structured resource was created in its entirety.
|
|
403 (Forbidden) - This indicates at least one of two conditions: 1) the server does not allow the creation of collections at the given
|
|
location in its namespace, or 2) the parent collection of the Request-URI exists but cannot accept members.
|
|
405 (Method Not Allowed) - MKCOL can only be executed on a deleted/non-existent resource.
|
|
409 (Conflict) - A collection cannot be made at the Request-URI until one or more intermediate collections have been created.
|
|
415 (Unsupported Media Type)- The server does not support the request type of the body.
|
|
507 (Insufficient Storage) - The resource does not have sufficient space to record the state of the resource after the execution of this method.
|
|
*/
|
|
return $response['status']['status-code'];
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* Public method get
|
|
*
|
|
* Gets a file from a webdav collection.
|
|
* @param string path, string &buffer
|
|
* @return status code and &$buffer (by reference) with response data from server on success. False on error.
|
|
*/
|
|
function get($path, &$buffer) {
|
|
$this->_path = $this->_translate_uri($path);
|
|
$this->_header_unset();
|
|
$this->_create_basic_request('GET');
|
|
$this->_send_request();
|
|
$this->_get_respond();
|
|
$response = $this->_process_respond();
|
|
|
|
// validate the response
|
|
// check http-version
|
|
if ($response['status']['http-version'] == 'HTTP/1.1' ||
|
|
$response['status']['http-version'] == 'HTTP/1.0') {
|
|
// seems to be http ... proceed
|
|
// We expect a 200 code
|
|
if ($response['status']['status-code'] == 200 ) {
|
|
$this->_error_log('returning buffer with ' . strlen($response['body']) . ' bytes.');
|
|
$buffer = $response['body'];
|
|
}
|
|
return $response['status']['status-code'];
|
|
}
|
|
// ups: no http status was returned ?
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Public method put
|
|
*
|
|
* Puts a file into a collection.
|
|
* Data is putted as one chunk!
|
|
* @param string path, string data
|
|
* @return int status-code read from webdavserver. False on error.
|
|
*/
|
|
function put($path, $data ) {
|
|
$this->_path = $this->_translate_uri($path);
|
|
$this->_header_unset();
|
|
$this->_create_basic_request('PUT');
|
|
// add more needed header information ...
|
|
$this->_header_add('Content-length: ' . strlen($data));
|
|
$this->_header_add('Content-type: application/octet-stream');
|
|
// send header
|
|
$this->_send_request();
|
|
// send the rest (data)
|
|
fputs($this->_fp, $data);
|
|
$this->_get_respond();
|
|
$response = $this->_process_respond();
|
|
|
|
// validate the response
|
|
// check http-version
|
|
if ($response['status']['http-version'] == 'HTTP/1.1' ||
|
|
$response['status']['http-version'] == 'HTTP/1.0') {
|
|
// seems to be http ... proceed
|
|
// We expect a 200 or 204 status code
|
|
// see rfc 2068 - 9.6 PUT...
|
|
// print 'http ok<br>';
|
|
return $response['status']['status-code'];
|
|
}
|
|
// ups: no http status was returned ?
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Public method put_file
|
|
*
|
|
* Read a file as stream and puts it chunk by chunk into webdav server collection.
|
|
* Look at php documenation for legal filenames with fopen();
|
|
*
|
|
* @param string targetpath, string filename
|
|
* @return int status code. False on error.
|
|
*/
|
|
function put_file($path, $filename) {
|
|
// try to open the file ...
|
|
$handle = @fopen ($filename, 'r');
|
|
if ($handle) {
|
|
// $this->_fp = pfsockopen ($this->_server, $this->_port, $this->_errno, $this->_errstr, $this->_socket_timeout);
|
|
$this->_path = $this->_translate_uri($path);
|
|
$this->_header_unset();
|
|
$this->_create_basic_request('PUT');
|
|
// add more needed header information ...
|
|
$this->_header_add('Content-length: ' . filesize($filename));
|
|
$this->_header_add('Content-type: application/octet-stream');
|
|
// send header
|
|
$this->_send_request();
|
|
while (!feof($handle)) {
|
|
fputs($this->_fp,fgets($handle,4096));
|
|
}
|
|
fclose($handle);
|
|
$this->_get_respond();
|
|
$response = $this->_process_respond();
|
|
|
|
// validate the response
|
|
// check http-version
|
|
if ($response['status']['http-version'] == 'HTTP/1.1' ||
|
|
$response['status']['http-version'] == 'HTTP/1.0') {
|
|
// seems to be http ... proceed
|
|
// We expect a 200 or 204 status code
|
|
// see rfc 2068 - 9.6 PUT...
|
|
// print 'http ok<br>';
|
|
return $response['status']['status-code'];
|
|
}
|
|
// ups: no http status was returned ?
|
|
return false;
|
|
} else {
|
|
$this->_error_log('could not open ' . $filename);
|
|
return false;
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* Public method get_file
|
|
*
|
|
* Gets a file from a collection into local filesystem.
|
|
* fopen() is used.
|
|
* @param string srcpath, string localpath
|
|
* @return true on success. false on error.
|
|
*/
|
|
function get_file($srcpath, $localpath) {
|
|
|
|
if ($this->get($srcpath, $buffer)) {
|
|
$handle = fopen ($localpath, 'w');
|
|
if ($handle) {
|
|
fwrite($handle, $buffer);
|
|
fclose($handle);
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Public method copy_file
|
|
*
|
|
* Copy a file on webdav server
|
|
* Duplicates a file on the webdav server (serverside).
|
|
* All work is done on the webdav server. If you set param overwrite as true,
|
|
* the target will be overwritten.
|
|
*
|
|
* @param string src_path, string dest_path, bool overwrite
|
|
* @return int status code (look at rfc 2518). false on error.
|
|
*/
|
|
function copy_file($src_path, $dst_path, $overwrite) {
|
|
$this->_path = $this->_translate_uri($src_path);
|
|
$this->_header_unset();
|
|
$this->_create_basic_request('COPY');
|
|
$this->_header_add(sprintf('Destination: http://%s%s', $this->_server, $this->_translate_uri($dst_path)));
|
|
if ($overwrite) {
|
|
$this->_header_add('Overwrite: T');
|
|
} else {
|
|
$this->_header_add('Overwrite: F');
|
|
}
|
|
$this->_header_add('');
|
|
$this->_send_request();
|
|
$this->_get_respond();
|
|
$response = $this->_process_respond();
|
|
// validate the response ...
|
|
// check http-version
|
|
if ($response['status']['http-version'] == 'HTTP/1.1' ||
|
|
$response['status']['http-version'] == 'HTTP/1.0') {
|
|
/* seems to be http ... proceed
|
|
just return what server gave us (as defined in rfc 2518) :
|
|
201 (Created) - The source resource was successfully copied. The copy operation resulted in the creation of a new resource.
|
|
204 (No Content) - The source resource was successfully copied to a pre-existing destination resource.
|
|
403 (Forbidden) - The source and destination URIs are the same.
|
|
409 (Conflict) - A resource cannot be created at the destination until one or more intermediate collections have been created.
|
|
412 (Precondition Failed) - The server was unable to maintain the liveness of the properties listed in the propertybehavior XML element
|
|
or the Overwrite header is "F" and the state of the destination resource is non-null.
|
|
423 (Locked) - The destination resource was locked.
|
|
502 (Bad Gateway) - This may occur when the destination is on another server and the destination server refuses to accept the resource.
|
|
507 (Insufficient Storage) - The destination resource does not have sufficient space to record the state of the resource after the
|
|
execution of this method.
|
|
*/
|
|
return $response['status']['status-code'];
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Public method copy_coll
|
|
*
|
|
* Copy a collection on webdav server
|
|
* Duplicates a collection on the webdav server (serverside).
|
|
* All work is done on the webdav server. If you set param overwrite as true,
|
|
* the target will be overwritten.
|
|
*
|
|
* @param string src_path, string dest_path, bool overwrite
|
|
* @return int status code (look at rfc 2518). false on error.
|
|
*/
|
|
function copy_coll($src_path, $dst_path, $overwrite) {
|
|
$this->_path = $this->_translate_uri($src_path);
|
|
$this->_header_unset();
|
|
$this->_create_basic_request('COPY');
|
|
$this->_header_add(sprintf('Destination: http://%s%s', $this->_server, $this->_translate_uri($dst_path)));
|
|
$this->_header_add('Depth: Infinity');
|
|
|
|
$xml = "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\r\n";
|
|
$xml .= "<d:propertybehavior xmlns:d=\"DAV:\">\r\n";
|
|
$xml .= " <d:keepalive>*</d:keepalive>\r\n";
|
|
$xml .= "</d:propertybehavior>\r\n";
|
|
|
|
$this->_header_add('Content-length: ' . strlen($xml));
|
|
$this->_header_add('Content-type: text/xml');
|
|
$this->_send_request();
|
|
// send also xml
|
|
fputs($this->_fp, $xml);
|
|
$this->_get_respond();
|
|
$response = $this->_process_respond();
|
|
// validate the response ...
|
|
// check http-version
|
|
if ($response['status']['http-version'] == 'HTTP/1.1' ||
|
|
$response['status']['http-version'] == 'HTTP/1.0') {
|
|
/* seems to be http ... proceed
|
|
just return what server gave us (as defined in rfc 2518) :
|
|
201 (Created) - The source resource was successfully copied. The copy operation resulted in the creation of a new resource.
|
|
204 (No Content) - The source resource was successfully copied to a pre-existing destination resource.
|
|
403 (Forbidden) - The source and destination URIs are the same.
|
|
409 (Conflict) - A resource cannot be created at the destination until one or more intermediate collections have been created.
|
|
412 (Precondition Failed) - The server was unable to maintain the liveness of the properties listed in the propertybehavior XML element
|
|
or the Overwrite header is "F" and the state of the destination resource is non-null.
|
|
423 (Locked) - The destination resource was locked.
|
|
502 (Bad Gateway) - This may occur when the destination is on another server and the destination server refuses to accept the resource.
|
|
507 (Insufficient Storage) - The destination resource does not have sufficient space to record the state of the resource after the
|
|
execution of this method.
|
|
*/
|
|
return $response['status']['status-code'];
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Public method move
|
|
*
|
|
* Move a file or collection on webdav server (serverside)
|
|
* If you set param overwrite as true, the target will be overwritten.
|
|
*
|
|
* @param string src_path, string dest_path, bool overwrite
|
|
* @return int status code (look at rfc 2518). false on error.
|
|
*/
|
|
// --------------------------------------------------------------------------
|
|
// public method move
|
|
// move/rename a file/collection on webdav server
|
|
function move($src_path,$dst_path, $overwrite) {
|
|
|
|
$this->_path = $this->_translate_uri($src_path);
|
|
$this->_header_unset();
|
|
|
|
$this->_create_basic_request('MOVE');
|
|
// dst_path should not be uri translated....
|
|
$this->_header_add(sprintf('Destination: http://%s%s', $this->_server, $dst_path));
|
|
if ($overwrite) {
|
|
$this->_header_add('Overwrite: T');
|
|
} else {
|
|
$this->_header_add('Overwrite: F');
|
|
}
|
|
$this->_header_add('');
|
|
|
|
$this->_send_request();
|
|
$this->_get_respond();
|
|
$response = $this->_process_respond();
|
|
// validate the response ...
|
|
// check http-version
|
|
if ($response['status']['http-version'] == 'HTTP/1.1' ||
|
|
$response['status']['http-version'] == 'HTTP/1.0') {
|
|
/* seems to be http ... proceed
|
|
just return what server gave us (as defined in rfc 2518) :
|
|
201 (Created) - The source resource was successfully moved, and a new resource was created at the destination.
|
|
204 (No Content) - The source resource was successfully moved to a pre-existing destination resource.
|
|
403 (Forbidden) - The source and destination URIs are the same.
|
|
409 (Conflict) - A resource cannot be created at the destination until one or more intermediate collections have been created.
|
|
412 (Precondition Failed) - The server was unable to maintain the liveness of the properties listed in the propertybehavior XML element
|
|
or the Overwrite header is "F" and the state of the destination resource is non-null.
|
|
423 (Locked) - The source or the destination resource was locked.
|
|
502 (Bad Gateway) - This may occur when the destination is on another server and the destination server refuses to accept the resource.
|
|
|
|
201 (Created) - The collection or structured resource was created in its entirety.
|
|
403 (Forbidden) - This indicates at least one of two conditions: 1) the server does not allow the creation of collections at the given
|
|
location in its namespace, or 2) the parent collection of the Request-URI exists but cannot accept members.
|
|
405 (Method Not Allowed) - MKCOL can only be executed on a deleted/non-existent resource.
|
|
409 (Conflict) - A collection cannot be made at the Request-URI until one or more intermediate collections have been created.
|
|
415 (Unsupported Media Type)- The server does not support the request type of the body.
|
|
507 (Insufficient Storage) - The resource does not have sufficient space to record the state of the resource after the execution of this method.
|
|
*/
|
|
return $response['status']['status-code'];
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Public method lock
|
|
*
|
|
* Lock a file or collection.
|
|
*
|
|
* Lock uses this->_user as lock owner.
|
|
*
|
|
* @param string path
|
|
* @return int status code (look at rfc 2518). false on error.
|
|
*/
|
|
function lock($path) {
|
|
$this->_path = $this->_translate_uri($path);
|
|
$this->_header_unset();
|
|
$this->_create_basic_request('LOCK');
|
|
$this->_header_add('Timeout: Infinite');
|
|
$this->_header_add('Content-type: text/xml');
|
|
// create the xml request ...
|
|
$xml = "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\r\n";
|
|
$xml .= "<D:lockinfo xmlns:D='DAV:'\r\n>";
|
|
$xml .= " <D:lockscope><D:exclusive/></D:lockscope>\r\n";
|
|
$xml .= " <D:locktype><D:write/></D:locktype>\r\n";
|
|
$xml .= " <D:owner>\r\n";
|
|
$xml .= " <D:href>".($this->_user)."</D:href>\r\n";
|
|
$xml .= " </D:owner>\r\n";
|
|
$xml .= "</D:lockinfo>\r\n";
|
|
$this->_header_add('Content-length: ' . strlen($xml));
|
|
$this->_send_request();
|
|
// send also xml
|
|
fputs($this->_fp, $xml);
|
|
$this->_get_respond();
|
|
$response = $this->_process_respond();
|
|
// validate the response ... (only basic validation)
|
|
// check http-version
|
|
if ($response['status']['http-version'] == 'HTTP/1.1' ||
|
|
$response['status']['http-version'] == 'HTTP/1.0') {
|
|
/* seems to be http ... proceed
|
|
rfc 2518 says:
|
|
200 (OK) - The lock request succeeded and the value of the lockdiscovery property is included in the body.
|
|
412 (Precondition Failed) - The included lock token was not enforceable on this resource or the server could not satisfy the
|
|
request in the lockinfo XML element.
|
|
423 (Locked) - The resource is locked, so the method has been rejected.
|
|
*/
|
|
|
|
switch($response['status']['status-code']) {
|
|
case 200:
|
|
// collection was successfully locked... see xml response to get lock token...
|
|
if (strcmp($response['header']['Content-Type'], 'text/xml; charset="utf-8"') == 0) {
|
|
// ok let's get the content of the xml stuff
|
|
$this->_parser = xml_parser_create_ns();
|
|
// forget old data...
|
|
unset($this->_lock[$this->_parser]);
|
|
unset($this->_xmltree[$this->_parser]);
|
|
xml_parser_set_option($this->_parser,XML_OPTION_SKIP_WHITE,0);
|
|
xml_parser_set_option($this->_parser,XML_OPTION_CASE_FOLDING,0);
|
|
xml_set_object($this->_parser, $this);
|
|
xml_set_element_handler($this->_parser, "_lock_startElement", "_endElement");
|
|
xml_set_character_data_handler($this->_parser, "_lock_cdata");
|
|
|
|
if (!xml_parse($this->_parser, $response['body'])) {
|
|
die(sprintf("XML error: %s at line %d",
|
|
xml_error_string(xml_get_error_code($this->_parser)),
|
|
xml_get_current_line_number($this->_parser)));
|
|
}
|
|
|
|
// Free resources
|
|
xml_parser_free($this->_parser);
|
|
// add status code to array
|
|
$this->_lock[$this->_parser]['status'] = 200;
|
|
return $this->_lock[$this->_parser];
|
|
|
|
} else {
|
|
print 'Missing Content-Type: text/xml header in response.<br>';
|
|
}
|
|
return false;
|
|
|
|
default:
|
|
// hmm. not what we expected. Just return what we got from webdav server
|
|
// someone else has to handle it.
|
|
$this->_lock['status'] = $response['status']['status-code'];
|
|
return $this->_lock;
|
|
}
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
/**
|
|
* Public method unlock
|
|
*
|
|
* Unlock a file or collection.
|
|
*
|
|
* @param string path, string locktoken
|
|
* @return int status code (look at rfc 2518). false on error.
|
|
*/
|
|
function unlock($path, $locktoken) {
|
|
$this->_path = $this->_translate_uri($path);
|
|
$this->_header_unset();
|
|
$this->_create_basic_request('UNLOCK');
|
|
$this->_header_add(sprintf('Lock-Token: <%s>', $locktoken));
|
|
$this->_send_request();
|
|
$this->_get_respond();
|
|
$response = $this->_process_respond();
|
|
if ($response['status']['http-version'] == 'HTTP/1.1' ||
|
|
$response['status']['http-version'] == 'HTTP/1.0') {
|
|
/* seems to be http ... proceed
|
|
rfc 2518 says:
|
|
204 (OK) - The 204 (No Content) status code is used instead of 200 (OK) because there is no response entity body.
|
|
*/
|
|
return $response['status']['status-code'];
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/** --------------------------------------------------------------------------
|
|
* Public method delete
|
|
*
|
|
* deletes a collection/directory on a webdav server
|
|
* @param string path
|
|
* @return int status code (look at rfc 2518). false on error.
|
|
*/
|
|
function delete($path) {
|
|
$this->_path = $this->_translate_uri($path);
|
|
$this->_header_unset();
|
|
$this->_create_basic_request('DELETE');
|
|
/* $this->_header_add('Content-Length: 0'); */
|
|
$this->_header_add('');
|
|
$this->_send_request();
|
|
$this->_get_respond();
|
|
$response = $this->_process_respond();
|
|
|
|
// validate the response ...
|
|
// check http-version
|
|
if ($response['status']['http-version'] == 'HTTP/1.1' ||
|
|
$response['status']['http-version'] == 'HTTP/1.0') {
|
|
// seems to be http ... proceed
|
|
// We expect a 207 Multi-Status status code
|
|
// print 'http ok<br>';
|
|
|
|
switch ($response['status']['status-code']) {
|
|
case 207:
|
|
// collection was NOT deleted... see xml response for reason...
|
|
// next there should be a Content-Type: text/xml; charset="utf-8" header line
|
|
if (strcmp($response['header']['Content-Type'], 'text/xml; charset="utf-8"') == 0) {
|
|
// ok let's get the content of the xml stuff
|
|
$this->_parser = xml_parser_create_ns();
|
|
// forget old data...
|
|
unset($this->_delete[$this->_parser]);
|
|
unset($this->_xmltree[$this->_parser]);
|
|
xml_parser_set_option($this->_parser,XML_OPTION_SKIP_WHITE,0);
|
|
xml_parser_set_option($this->_parser,XML_OPTION_CASE_FOLDING,0);
|
|
xml_set_object($this->_parser, $this);
|
|
xml_set_element_handler($this->_parser, "_delete_startElement", "_endElement");
|
|
xml_set_character_data_handler($this->_parser, "_delete_cdata");
|
|
|
|
if (!xml_parse($this->_parser, $response['body'])) {
|
|
die(sprintf("XML error: %s at line %d",
|
|
xml_error_string(xml_get_error_code($this->_parser)),
|
|
xml_get_current_line_number($this->_parser)));
|
|
}
|
|
|
|
print_r($this->_delete[$this->_parser]);
|
|
print "<br>";
|
|
|
|
// Free resources
|
|
xml_parser_free($this->_parser);
|
|
$this->_delete[$this->_parser]['status'] = $response['status']['status-code'];
|
|
return $this->_delete[$this->_parser];
|
|
|
|
} else {
|
|
print 'Missing Content-Type: text/xml header in response.<br>';
|
|
}
|
|
return false;
|
|
|
|
default:
|
|
// collection or file was successfully deleted
|
|
$this->_delete['status'] = $response['status']['status-code'];
|
|
return $this->_delete;
|
|
|
|
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* Public method ls
|
|
*
|
|
* Get's directory information from webdav server into flat a array using PROPFIND
|
|
* @param string path
|
|
* @return array dirinfo, false on error
|
|
*/
|
|
function ls($path) {
|
|
|
|
if (trim($path) == '') {
|
|
$this->_error_log('Missing a path in method ls');
|
|
return false;
|
|
}
|
|
$this->_path = $this->_translate_uri($path);
|
|
|
|
$this->_header_unset();
|
|
$this->_create_basic_request('PROPFIND');
|
|
$this->_header_add('Depth: 1');
|
|
$this->_header_add('Content-type: text/xml');
|
|
// create profind xml request...
|
|
$xml = "<?xml version=\"1.0\"?>\r\n";
|
|
$xml .= "<A:propfind xmlns:A=\"DAV:\">\r\n";
|
|
// shall we get all properties ?
|
|
$xml .= " <A:allprop/>\r\n";
|
|
// or should we better get only wanted props ?
|
|
$xml .= "</A:propfind>\r\n";
|
|
$this->_header_add('Content-length: ' . strlen($xml));
|
|
$this->_send_request();
|
|
$this->_error_log($xml);
|
|
fputs($this->_fp, $xml);
|
|
$this->_get_respond();
|
|
$response = $this->_process_respond();
|
|
// validate the response ... (only basic validation)
|
|
// check http-version
|
|
if ($response['status']['http-version'] == 'HTTP/1.1' ||
|
|
$response['status']['http-version'] == 'HTTP/1.0') {
|
|
// seems to be http ... proceed
|
|
// We expect a 207 Multi-Status status code
|
|
// print 'http ok<br>';
|
|
if (strcmp($response['status']['status-code'],'207') == 0 ) {
|
|
// ok so far
|
|
// next there should be a Content-Type: text/xml; charset="utf-8" header line
|
|
if (strcmp($response['header']['Content-Type'], 'text/xml; charset="utf-8"') == 0) {
|
|
// ok let's get the content of the xml stuff
|
|
$this->_parser = xml_parser_create_ns();
|
|
// forget old data...
|
|
unset($this->_ls[$this->_parser]);
|
|
unset($this->_xmltree[$this->_parser]);
|
|
xml_parser_set_option($this->_parser,XML_OPTION_SKIP_WHITE,0);
|
|
xml_parser_set_option($this->_parser,XML_OPTION_CASE_FOLDING,0);
|
|
xml_set_object($this->_parser, $this);
|
|
xml_set_element_handler($this->_parser, "_propfind_startElement", "_endElement");
|
|
xml_set_character_data_handler($this->_parser, "_propfind_cdata");
|
|
|
|
|
|
if (!xml_parse($this->_parser, $response['body'])) {
|
|
die(sprintf("XML error: %s at line %d",
|
|
xml_error_string(xml_get_error_code($this->_parser)),
|
|
xml_get_current_line_number($this->_parser)));
|
|
}
|
|
|
|
// Free resources
|
|
xml_parser_free($this->_parser);
|
|
return $this->_ls[$this->_parser];
|
|
} else {
|
|
$this->_error_log('Missing Content-Type: text/xml header in response!!');
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
// response was not http
|
|
$this->_error_log('Ups in method ls: error in response from server');
|
|
return false;
|
|
}
|
|
|
|
|
|
/**
|
|
* Public method gpi
|
|
*
|
|
* Get's path information from webdav server for one element
|
|
* @param string path
|
|
* @return array dirinfo. false on error
|
|
*/
|
|
function gpi($path) {
|
|
|
|
// split path by last "/"
|
|
$path = rtrim($path, "/");
|
|
$item = basename($path);
|
|
$dir = dirname($path);
|
|
|
|
$list = $this->ls($dir);
|
|
|
|
// be sure it is an array
|
|
if (is_array($list)) {
|
|
foreach($list as $e) {
|
|
|
|
$fullpath = urldecode($e['href']);
|
|
$filename = basename($fullpath);
|
|
|
|
if ($filename == $item && $filename != "" and $fullpath != $dir."/") {
|
|
return $e;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Public method is_file
|
|
*
|
|
* Gather whether a path points to a file or not
|
|
* @param string path
|
|
* @return bool true or false
|
|
*/
|
|
function is_file($path) {
|
|
|
|
$item = $this->gpi($path);
|
|
|
|
if ($item === false) {
|
|
return false;
|
|
} else {
|
|
return ($item['resourcetype'] != 'collection');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Public method is_dir
|
|
*
|
|
* Gather whether a path points to a directory
|
|
* @param string path
|
|
* return bool true or false
|
|
*/
|
|
function is_dir($path) {
|
|
|
|
$item = $this->gpi($path);
|
|
|
|
if ($item === false) {
|
|
return false;
|
|
} else {
|
|
return ($item['resourcetype'] == 'collection');
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Public method mput
|
|
*
|
|
* Puts multiple files and directories onto a webdav server
|
|
* Param fileList must be in format array("localpath" => "destpath")
|
|
* @param array filelist
|
|
* @return bool true on success. otherwise int status code on error
|
|
*/
|
|
function mput($filelist) {
|
|
|
|
$result = true;
|
|
|
|
while (list($localpath, $destpath) = each($filelist)) {
|
|
|
|
$localpath = rtrim($localpath, "/");
|
|
$destpath = rtrim($destpath, "/");
|
|
|
|
// attempt to create target path
|
|
if (is_dir($localpath)) {
|
|
$pathparts = explode("/", $destpath."/ "); // add one level, last level will be created as dir
|
|
} else {
|
|
$pathparts = explode("/", $destpath);
|
|
}
|
|
$checkpath = "";
|
|
for ($i=1; $i<sizeof($pathparts)-1; $i++) {
|
|
$checkpath .= "/" . $pathparts[$i];
|
|
if (!($this->is_dir($checkpath))) {
|
|
|
|
$result &= ($this->mkcol($checkpath) == 201 );
|
|
}
|
|
}
|
|
|
|
if ($result) {
|
|
// recurse directories
|
|
if (is_dir($localpath)) {
|
|
$dp = opendir($localpath);
|
|
$fl = array();
|
|
while($filename = readdir($dp)) {
|
|
if ((is_file($localpath."/".$filename) || is_dir($localpath."/".$filename)) && $filename!="." && $filename != "..") {
|
|
$fl[$localpath."/".$filename] = $destpath."/".$filename;
|
|
}
|
|
}
|
|
$result &= $this->mput($fl);
|
|
} else {
|
|
$result &= ($this->put_file($destpath, $localpath) == 201);
|
|
}
|
|
}
|
|
}
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Public method mget
|
|
*
|
|
* Gets multiple files and directories
|
|
* FileList must be in format array("remotepath" => "localpath")
|
|
* @param array filelist
|
|
* @return bool true on succes, other int status code on error
|
|
*/
|
|
function mget($filelist) {
|
|
|
|
$result = true;
|
|
|
|
while (list($remotepath, $localpath) = each($filelist)) {
|
|
|
|
$localpath = rtrim($localpath, "/");
|
|
$remotepath = rtrim($remotepath, "/");
|
|
|
|
// attempt to create local path
|
|
if ($this->is_dir($remotepath)) {
|
|
$pathparts = explode("/", $localpath."/ "); // add one level, last level will be created as dir
|
|
} else {
|
|
$pathparts = explode("/", $localpath);
|
|
}
|
|
$checkpath = "";
|
|
for ($i=1; $i<sizeof($pathparts)-1; $i++) {
|
|
$checkpath .= "/" . $pathparts[$i];
|
|
if (!is_dir($checkpath)) {
|
|
|
|
$result &= mkdir($checkpath);
|
|
}
|
|
}
|
|
|
|
if ($result) {
|
|
// recurse directories
|
|
if ($this->is_dir($remotepath)) {
|
|
$list = $this->ls($remotepath);
|
|
|
|
$fl = array();
|
|
foreach($list as $e) {
|
|
$fullpath = urldecode($e['href']);
|
|
$filename = basename($fullpath);
|
|
if ($filename != '' and $fullpath != $remotepath . '/') {
|
|
$fl[$remotepath."/".$filename] = $localpath."/".$filename;
|
|
}
|
|
}
|
|
$result &= $this->mget($fl);
|
|
} else {
|
|
$result &= ($this->get_file($remotepath, $localpath));
|
|
}
|
|
}
|
|
}
|
|
return $result;
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// private xml callback and helper functions starting here
|
|
// --------------------------------------------------------------------------
|
|
|
|
|
|
/**
|
|
* Private method _endelement
|
|
*
|
|
* a generic endElement method (used for all xml callbacks)
|
|
* @param resource parser, string name
|
|
* @access private
|
|
*/
|
|
|
|
function _endElement($parser, $name) {
|
|
$this->_xmltree[$parser] = substr($this->_xmltree[$parser],0, strlen($this->_xmltree[$parser]) - (strlen($name) + 1));
|
|
}
|
|
|
|
/**
|
|
* Private method _propfind_startElement
|
|
*
|
|
* Is needed by public method ls.
|
|
* Generic method will called by php xml_parse when a xml start element tag has been detected.
|
|
* The xml tree will translated into a flat php array for easier access.
|
|
* @param resource parser, string name, string attrs
|
|
* @access private
|
|
*/
|
|
function _propfind_startElement($parser, $name, $attrs) {
|
|
// lower XML Names... maybe break a RFC, don't know ...
|
|
|
|
$propname = strtolower($name);
|
|
$this->_xmltree[$parser] .= $propname . '_';
|
|
|
|
// translate xml tree to a flat array ...
|
|
switch($this->_xmltree[$parser]) {
|
|
case 'dav::multistatus_dav::response_':
|
|
// new element in mu
|
|
$this->_ls_ref =& $this->_ls[$parser][];
|
|
break;
|
|
case 'dav::multistatus_dav::response_dav::href_':
|
|
$this->_ls_ref_cdata = &$this->_ls_ref['href'];
|
|
break;
|
|
case 'dav::multistatus_dav::response_dav::propstat_dav::prop_dav::creationdate_':
|
|
$this->_ls_ref_cdata = &$this->_ls_ref['creationdate'];
|
|
break;
|
|
case 'dav::multistatus_dav::response_dav::propstat_dav::prop_dav::getlastmodified_':
|
|
$this->_ls_ref_cdata = &$this->_ls_ref['lastmodified'];
|
|
break;
|
|
case 'dav::multistatus_dav::response_dav::propstat_dav::prop_dav::getcontenttype_':
|
|
$this->_ls_ref_cdata = &$this->_ls_ref['getcontenttype'];
|
|
break;
|
|
case 'dav::multistatus_dav::response_dav::propstat_dav::prop_dav::getcontentlength_':
|
|
$this->_ls_ref_cdata = &$this->_ls_ref['getcontentlength'];
|
|
break;
|
|
case 'dav::multistatus_dav::response_dav::propstat_dav::prop_dav::lockdiscovery_dav::activelock_dav::depth_':
|
|
$this->_ls_ref_cdata = &$this->_ls_ref['activelock_depth'];
|
|
break;
|
|
case 'dav::multistatus_dav::response_dav::propstat_dav::prop_dav::lockdiscovery_dav::activelock_dav::owner_dav::href_':
|
|
$this->_ls_ref_cdata = &$this->_ls_ref['activelock_owner'];
|
|
break;
|
|
case 'dav::multistatus_dav::response_dav::propstat_dav::prop_dav::lockdiscovery_dav::activelock_dav::owner_':
|
|
$this->_ls_ref_cdata = &$this->_ls_ref['activelock_owner'];
|
|
break;
|
|
case 'dav::multistatus_dav::response_dav::propstat_dav::prop_dav::lockdiscovery_dav::activelock_dav::timeout_':
|
|
$this->_ls_ref_cdata = &$this->_ls_ref['activelock_timeout'];
|
|
break;
|
|
case 'dav::multistatus_dav::response_dav::propstat_dav::prop_dav::lockdiscovery_dav::activelock_dav::locktoken_dav::href_':
|
|
$this->_ls_ref_cdata = &$this->_ls_ref['activelock_token'];
|
|
break;
|
|
case 'dav::multistatus_dav::response_dav::propstat_dav::prop_dav::lockdiscovery_dav::activelock_dav::locktype_dav::write_':
|
|
$this->_ls_ref_cdata = &$this->_ls_ref['activelock_type'];
|
|
$this->_ls_ref_cdata = 'write';
|
|
$this->_ls_ref_cdata = &$this->_null;
|
|
break;
|
|
case 'dav::multistatus_dav::response_dav::propstat_dav::prop_dav::resourcetype_dav::collection_':
|
|
$this->_ls_ref_cdata = &$this->_ls_ref['resourcetype'];
|
|
$this->_ls_ref_cdata = 'collection';
|
|
$this->_ls_ref_cdata = &$this->_null;
|
|
break;
|
|
case 'dav::multistatus_dav::response_dav::propstat_dav::status_':
|
|
$this->_ls_ref_cdata = &$this->_ls_ref['status'];
|
|
break;
|
|
|
|
default:
|
|
// handle unknown xml elements...
|
|
$this->_ls_ref_cdata = &$this->_ls_ref[$this->_xmltree[$parser]];
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Private method _propfind_cData
|
|
*
|
|
* Is needed by public method ls.
|
|
* Will be called by php xml_set_character_data_handler() when xml data has to be handled.
|
|
* Stores data found into class var _ls_ref_cdata
|
|
* @param resource parser, string cdata
|
|
* @access private
|
|
*/
|
|
function _propfind_cData($parser, $cdata) {
|
|
if (trim($cdata) <> '') {
|
|
$this->_ls_ref_cdata = $cdata;
|
|
} else {
|
|
// do nothing
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Private method _delete_startElement
|
|
*
|
|
* Is used by public method delete.
|
|
* Will be called by php xml_parse.
|
|
* @param resource parser, string name, string attrs)
|
|
* @access private
|
|
*/
|
|
function _delete_startElement($parser, $name, $attrs) {
|
|
// lower XML Names... maybe break a RFC, don't know ...
|
|
$propname = strtolower($name);
|
|
$this->_xmltree[$parser] .= $propname . '_';
|
|
|
|
// translate xml tree to a flat array ...
|
|
switch($this->_xmltree[$parser]) {
|
|
case 'dav::multistatus_dav::response_':
|
|
// new element in mu
|
|
$this->_delete_ref =& $this->_delete[$parser][];
|
|
break;
|
|
case 'dav::multistatus_dav::response_dav::href_':
|
|
$this->_delete_ref_cdata = &$this->_ls_ref['href'];
|
|
break;
|
|
|
|
default:
|
|
// handle unknown xml elements...
|
|
$this->_delete_cdata = &$this->_delete_ref[$this->_xmltree[$parser]];
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Private method _delete_cData
|
|
*
|
|
* Is used by public method delete.
|
|
* Will be called by php xml_set_character_data_handler() when xml data has to be handled.
|
|
* Stores data found into class var _delete_ref_cdata
|
|
* @param resource parser, string cdata
|
|
* @access private
|
|
*/
|
|
function _delete_cData($parser, $cdata) {
|
|
if (trim($cdata) <> '') {
|
|
$this->_delete_ref_cdata = $cdata;
|
|
} else {
|
|
// do nothing
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Private method _lock_startElement
|
|
*
|
|
* Is needed by public method lock.
|
|
* Mmethod will called by php xml_parse when a xml start element tag has been detected.
|
|
* The xml tree will translated into a flat php array for easier access.
|
|
* @param resource parser, string name, string attrs
|
|
* @access private
|
|
*/
|
|
function _lock_startElement($parser, $name, $attrs) {
|
|
// lower XML Names... maybe break a RFC, don't know ...
|
|
$propname = strtolower($name);
|
|
$this->_xmltree[$parser] .= $propname . '_';
|
|
|
|
// translate xml tree to a flat array ...
|
|
/*
|
|
dav::prop_dav::lockdiscovery_dav::activelock_dav::depth_=
|
|
dav::prop_dav::lockdiscovery_dav::activelock_dav::owner_dav::href_=
|
|
dav::prop_dav::lockdiscovery_dav::activelock_dav::timeout_=
|
|
dav::prop_dav::lockdiscovery_dav::activelock_dav::locktoken_dav::href_=
|
|
*/
|
|
switch($this->_xmltree[$parser]) {
|
|
case 'dav::prop_dav::lockdiscovery_dav::activelock_':
|
|
// new element
|
|
$this->_lock_ref =& $this->_lock[$parser][];
|
|
break;
|
|
case 'dav::prop_dav::lockdiscovery_dav::activelock_dav::locktype_dav::write_':
|
|
$this->_lock_ref_cdata = &$this->_lock_ref['locktype'];
|
|
$this->_lock_cdata = 'write';
|
|
$this->_lock_cdata = &$this->_null;
|
|
break;
|
|
case 'dav::prop_dav::lockdiscovery_dav::activelock_dav::lockscope_dav::exclusive_':
|
|
$this->_lock_ref_cdata = &$this->_lock_ref['lockscope'];
|
|
$this->_lock_ref_cdata = 'exclusive';
|
|
$this->_lock_ref_cdata = &$this->_null;
|
|
break;
|
|
case 'dav::prop_dav::lockdiscovery_dav::activelock_dav::depth_':
|
|
$this->_lock_ref_cdata = &$this->_lock_ref['depth'];
|
|
break;
|
|
case 'dav::prop_dav::lockdiscovery_dav::activelock_dav::owner_dav::href_':
|
|
$this->_lock_ref_cdata = &$this->_lock_ref['owner'];
|
|
break;
|
|
case 'dav::prop_dav::lockdiscovery_dav::activelock_dav::timeout_':
|
|
$this->_lock_ref_cdata = &$this->_lock_ref['timeout'];
|
|
break;
|
|
case 'dav::prop_dav::lockdiscovery_dav::activelock_dav::locktoken_dav::href_':
|
|
$this->_lock_ref_cdata = &$this->_lock_ref['locktoken'];
|
|
break;
|
|
default:
|
|
// handle unknown xml elements...
|
|
$this->_lock_cdata = &$this->_lock_ref[$this->_xmltree[$parser]];
|
|
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Private method _lock_cData
|
|
*
|
|
* Is used by public method lock.
|
|
* Will be called by php xml_set_character_data_handler() when xml data has to be handled.
|
|
* Stores data found into class var _lock_ref_cdata
|
|
* @param resource parser, string cdata
|
|
* @access private
|
|
*/
|
|
function _lock_cData($parser, $cdata) {
|
|
if (trim($cdata) <> '') {
|
|
// $this->_error_log(($this->_xmltree[$parser]) . '='. htmlentities($cdata));
|
|
$this->_lock_ref_cdata = $cdata;
|
|
} else {
|
|
// do nothing
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Private method _header_add
|
|
*
|
|
* extends class var array _req
|
|
* @param string string
|
|
* @access private
|
|
*/
|
|
function _header_add($string) {
|
|
$this->_req[] = $string;
|
|
}
|
|
|
|
/**
|
|
* Private method _header_unset
|
|
*
|
|
* unsets class var array _req
|
|
* @access private
|
|
*/
|
|
|
|
function _header_unset() {
|
|
unset($this->_req);
|
|
}
|
|
|
|
/**
|
|
* Private method _create_basic_request
|
|
*
|
|
* creates by using private method _header_add an general request header.
|
|
* @param string method
|
|
* @access private
|
|
*/
|
|
function _create_basic_request($method) {
|
|
$request = '';
|
|
$this->_header_add(sprintf('%s %s %s', $method, $this->_path, $this->_protocol));
|
|
$this->_header_add(sprintf('Host: %s', $this->_server));
|
|
// $request .= sprintf('Connection: Keep-Alive');
|
|
$this->_header_add(sprintf('User-Agent: %s', $this->_user_agent));
|
|
$this->_header_add(sprintf('Authorization: Basic %s', base64_encode("$this->_user:$this->_pass")));
|
|
}
|
|
|
|
/**
|
|
* Private method _send_request
|
|
*
|
|
* Sends a ready formed http/webdav request to webdav server.
|
|
* @access private
|
|
*/
|
|
function _send_request() {
|
|
// check if stream is declared to be open
|
|
// only logical check we are not sure if socket is really still open ...
|
|
if ($this->_connection_closed) {
|
|
// reopen it
|
|
// be sure to close the open socket.
|
|
$this->close();
|
|
$this->_reopen();
|
|
}
|
|
|
|
// convert array to string
|
|
$buffer = implode("\r\n", $this->_req);
|
|
$buffer .= "\r\n\r\n";
|
|
$this->_error_log($buffer);
|
|
fputs($this->_fp, $buffer);
|
|
}
|
|
|
|
/**
|
|
* Private method _get_respond
|
|
*
|
|
* Read the reponse of the webdav server.
|
|
* Stores data into class vars _header for the header data and
|
|
* _body for the rest of the response.
|
|
* This routine is the weakest part of this class, because it very depends how php does handle a socket stream.
|
|
* If the stream is blocked for some reason php is blocked as well.
|
|
* @access private
|
|
*/
|
|
function _get_respond() {
|
|
$this->_error_log('_get_respond()');
|
|
// init vars (good coding style ;-)
|
|
$buffer = '';
|
|
$header = '';
|
|
// attention: do not make max_chunk_size to big....
|
|
$max_chunk_size = 8192;
|
|
// be sure we got a open ressource
|
|
if (! $this->_fp) {
|
|
$this->_error_log('socket is not open. Can not process response');
|
|
return false;
|
|
}
|
|
|
|
// following code maybe helps to improve socket behaviour ... more testing needed
|
|
// disabled at the moment ...
|
|
// socket_set_timeout($this->_fp,1 );
|
|
// $socket_state = socket_get_status($this->_fp);
|
|
|
|
// read stream one byte by another until http header ends
|
|
$i = 0;
|
|
do {
|
|
$header.=fread($this->_fp,1);
|
|
$i++;
|
|
} while (!preg_match('/\\r\\n\\r\\n$/',$header) && $i < $this->_maxheaderlenth);
|
|
|
|
$this->_error_log($header);
|
|
|
|
if (preg_match('/Connection: close\\r\\n/', $header)) {
|
|
// This says that the server will close connection at the end of this stream.
|
|
// Therefore we need to reopen the socket, before are sending the next request...
|
|
$this->_error_log('Connection: close found');
|
|
$this->_connection_closed = true;
|
|
}
|
|
// check how to get the data on socket stream
|
|
// chunked or content-length (HTTP/1.1) or
|
|
// one block until feof is received (HTTP/1.0)
|
|
switch(true) {
|
|
case (preg_match('/Transfer\\-Encoding:\\s+chunked\\r\\n/',$header)):
|
|
$this->_error_log('Getting HTTP/1.1 chunked data...');
|
|
do {
|
|
$byte = '';
|
|
$chunk_size='';
|
|
do {
|
|
$chunk_size.=$byte;
|
|
$byte=fread($this->_fp,1);
|
|
// check what happens while reading, because I do not really understand how php reads the socketstream...
|
|
// but so far - it seems to work here - tested with php v4.3.1 on apache 1.3.27 and Debian Linux 3.0 ...
|
|
if (strlen($byte) == 0) {
|
|
$this->_error_log('_get_respond: warning --> read zero bytes');
|
|
}
|
|
} while ($byte!="\r" and strlen($byte)>0); // till we match the Carriage Return
|
|
fread($this->_fp, 1); // also drop off the Line Feed
|
|
$chunk_size=hexdec($chunk_size); // convert to a number in decimal system
|
|
if ($chunk_size > 0) {
|
|
$buffer .= fread($this->_fp,$chunk_size);
|
|
}
|
|
fread($this->_fp,2); // ditch the CRLF that trails the chunk
|
|
} while ($chunk_size); // till we reach the 0 length chunk (end marker)
|
|
break;
|
|
|
|
// check for a specified content-length
|
|
case preg_match('/Content\\-Length:\\s+([0-9]*)\\r\\n/',$header,$matches):
|
|
$this->_error_log('Getting data using Content-Length '. $matches[1]);
|
|
// check if we the content data size is small enough to get it as one block
|
|
if ($matches[1] <= $max_chunk_size ) {
|
|
// only read something if Content-Length is bigger than 0
|
|
if ($matches[1] > 0 ) {
|
|
$buffer = fread($this->_fp, $matches[1]);
|
|
} else {
|
|
$buffer = '';
|
|
}
|
|
} else {
|
|
// data is to big to handle it as one. Get it chunk per chunk...
|
|
do {
|
|
$mod = $max_chunk_size % ($matches[1] - strlen($buffer));
|
|
$chunk_size = ($mod == $max_chunk_size ? $max_chunk_size : $matches[1] - strlen($buffer));
|
|
$buffer .= fread($this->_fp, $chunk_size);
|
|
$this->_error_log('mod: ' . $mod . ' chunk: ' . $chunk_size . ' total: ' . strlen($buffer));
|
|
} while ($mod == $max_chunk_size);
|
|
}
|
|
break;
|
|
|
|
// check for 204 No Content
|
|
// 204 responds have no body.
|
|
// Therefore we do not need to read any data from socket stream.
|
|
case preg_match('/HTTP\/1\.1\ 204/',$header):
|
|
// nothing to do, just proceed
|
|
$this->_error_log('204 No Content found. No further data to read..');
|
|
break;
|
|
default:
|
|
// just get the data until foef appears...
|
|
$this->_error_log('reading until feof...' . $header);
|
|
socket_set_timeout($this->_fp,0 );
|
|
while (!feof($this->_fp)) {
|
|
$buffer .= fread($this->_fp, 4096);
|
|
}
|
|
// renew the socket timeout...does it do something ???? Is it needed. More debugging needed...
|
|
socket_set_timeout($this->_fp, $this->_socket_timeout);
|
|
}
|
|
|
|
$this->_header = $header;
|
|
$this->_body = $buffer;
|
|
// $this->_buffer = $header . "\r\n\r\n" . $buffer;
|
|
$this->_error_log($this->_header);
|
|
}
|
|
|
|
|
|
|
|
// --------------------------------------------------------------------------
|
|
// private method _process_respond ...
|
|
// analyse the reponse from server and divide into header and body part
|
|
// returns an array filled with components
|
|
/**
|
|
* Private method _process_respond
|
|
*
|
|
* Processes the webdav server respond and detects its components (header, body)
|
|
* and returns data array structure.
|
|
* @return array ret_struct
|
|
* @access private
|
|
*/
|
|
function _process_respond() {
|
|
$lines = explode("\r\n", $this->_header);
|
|
$header_done = false;
|
|
// $this->_error_log($this->_buffer);
|
|
// First line should be a HTTP status line (see http://www.w3.org/Protocols/rfc2616/rfc2616-sec6.html#sec6)
|
|
// Format is: HTTP-Version SP Status-Code SP Reason-Phrase CRLF
|
|
list($ret_struct['status']['http-version'],
|
|
$ret_struct['status']['status-code'],
|
|
$ret_struct['status']['reason-phrase']) = explode(' ', $lines[0],3);
|
|
|
|
// print "HTTP Version: '$http_version' Status-Code: '$status_code' Reason Phrase: '$reason_phrase'<br>";
|
|
// get the response header fields
|
|
// See http://www.w3.org/Protocols/rfc2616/rfc2616-sec6.html#sec6
|
|
for($i=1; $i<count($lines); $i++) {
|
|
if (rtrim($lines[$i]) == '' && !$header_done) {
|
|
$header_done = true;
|
|
// print "--- response header end ---<br>";
|
|
|
|
}
|
|
if (!$header_done ) {
|
|
// store all found headers in array ...
|
|
list($fieldname, $fieldvalue) = explode(':', $lines[$i]);
|
|
// check if this header was allready set (apache 2.0 webdav module does this....).
|
|
// If so we add the the value to the end the fieldvalue, separated by comma...
|
|
if (! $ret_struct['header'][$fieldname]) {
|
|
$ret_struct['header'][$fieldname] = trim($fieldvalue);
|
|
} else {
|
|
$ret_struct['header'][$fieldname] .= ',' . trim($fieldvalue);
|
|
}
|
|
}
|
|
}
|
|
// print 'string len of response_body:'. strlen($response_body);
|
|
// print '[' . htmlentities($response_body) . ']';
|
|
$ret_struct['body'] = $this->_body;
|
|
return $ret_struct;
|
|
}
|
|
|
|
/**
|
|
* Private method _reopen
|
|
*
|
|
* Reopens a socket, if 'connection: closed'-header was received from server.
|
|
* Uses public method open.
|
|
* @access private
|
|
*/
|
|
function _reopen() {
|
|
// let's try to reopen a socket
|
|
$this->_error_log('reopen a socket connection');
|
|
return $this->open();
|
|
/*
|
|
$this->_fp = fsockopen ($this->_server, $this->_port, $this->_errno, $this->_errstr, 5);
|
|
set_time_limit(180);
|
|
socket_set_blocking($this->_fp, true);
|
|
socket_set_timeout($this->_fp,5 );
|
|
if (!$this->_fp) {
|
|
$this->_error_log("$this->_errstr ($this->_errno)\n");
|
|
return false;
|
|
} else {
|
|
$this->_connection_closed = false;
|
|
$this->_error_log('reopen ok...' . $this->_fp);
|
|
return true;
|
|
}
|
|
*/
|
|
}
|
|
|
|
|
|
/**
|
|
* Private method _translate_uri
|
|
*
|
|
* translates an uri to raw url encoded string.
|
|
* Removes any html entity in uri
|
|
* @param string uri
|
|
* @return string translated_uri
|
|
* @access private
|
|
*/
|
|
function _translate_uri($uri) {
|
|
// remove all html entities...
|
|
$native_path = html_entity_decode($uri);
|
|
$parts = explode('/', $native_path);
|
|
for ($i = 0; $i < count($parts); $i++) {
|
|
$parts[$i] = rawurlencode($parts[$i]);
|
|
}
|
|
return implode('/', $parts);
|
|
}
|
|
|
|
// private method _error_log
|
|
// writes debug information to what's in php.ini defined
|
|
|
|
/**
|
|
* Private method _error_log
|
|
*
|
|
* a simple php error_log wrapper.
|
|
* @param string err_string
|
|
* @access private
|
|
*/
|
|
function _error_log($err_string) {
|
|
if ($this->_debug) {
|
|
error_log($err_string);
|
|
}
|
|
}
|
|
}
|
|
?>
|