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class_webdav_client.php
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class_webdav_client.php
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<?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 <[email protected]>, 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;
/* * #@- */
/**
* 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->_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 )
{
// reopen it
// be sure to close the open socket.
$this->close();
$this->_reopen();
$this->_path = $this->_translate_uri( $path );
$this->_header_unset();
$this->_create_basic_request( 'GET' );
$this->_send_request();
$this->_get_respond();
$response = $this->_process_respond();
// print_r($response);
// 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' ];
// echo "+++!!!!!!!!!!!" . " " . mb_strlen( $response[ 'body' ],
// "windows-1251" ) . "+++" . $response[ 'header' ][ 'Content-Length' ]."\r\n \r\n";
//
// echo "+++!!!!!!!!!!!" . " " . mb_strlen( $response[ 'body' ],
// "cp1251" ) . "+++" . $response[ 'header' ][ 'Content-Length' ]."\r\n \r\n";
if ( mb_strlen( $response[ 'body' ], "cp1251" ) < $response[ 'header' ][ 'Content-Length' ] )
{
$buffer = null;
// print_r($response[ 'body' ]);
// mb_internal_encoding( "UTF-8" );
return false;
}
}
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 ) )
{
// echo "----------------------" . " " . mb_strlen( $buffer,
// "cp1251" ) ;
$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 ||
strcmp( $response[ 'header' ][ 'Content-Type' ],
'application/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 );