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MDL-15488, remove PEAR lib

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dongsheng
2008-07-02 09:30:48 +00:00
parent d72ff7a208
commit 8ee6bcbccc
8 changed files with 0 additions and 7553 deletions
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repository/flickr/PEAR/DB.php
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repository/flickr/PEAR/DB/mysql.php
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repository/flickr/PEAR/DB/pgsql.php
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repository/flickr/PEAR/DB/storage.php
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<?php
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
/**
* Provides an object interface to a table row
*
* PHP versions 4 and 5
*
* LICENSE: This source file is subject to version 3.0 of the PHP license
* that is available through the world-wide-web at the following URI:
* http://www.php.net/license/3_0.txt. If you did not receive a copy of
* the PHP License and are unable to obtain it through the web, please
* send a note to [email protected] so we can mail you a copy immediately.
*
* @category Database
* @package DB
* @author Stig Bakken <[email protected]>
* @copyright 1997-2005 The PHP Group
* @license http://www.php.net/license/3_0.txt PHP License 3.0
* @version CVS: $Id$
* @link http://pear.php.net/package/DB
*/
/**
* Obtain the DB class so it can be extended from
*/
require_once 'DB.php';
/**
* Provides an object interface to a table row
*
* It lets you add, delete and change rows using objects rather than SQL
* statements.
*
* @category Database
* @package DB
* @author Stig Bakken <[email protected]>
* @copyright 1997-2005 The PHP Group
* @license http://www.php.net/license/3_0.txt PHP License 3.0
* @version Release: @package_version@
* @link http://pear.php.net/package/DB
*/
class DB_storage extends PEAR
{
// {{{ properties
/** the name of the table (or view, if the backend database supports
updates in views) we hold data from */
var $_table = null;
/** which column(s) in the table contains primary keys, can be a
string for single-column primary keys, or an array of strings
for multiple-column primary keys */
var $_keycolumn = null;
/** DB connection handle used for all transactions */
var $_dbh = null;
/** an assoc with the names of database fields stored as properties
in this object */
var $_properties = array();
/** an assoc with the names of the properties in this object that
have been changed since they were fetched from the database */
var $_changes = array();
/** flag that decides if data in this object can be changed.
objects that don't have their table's key column in their
property lists will be flagged as read-only. */
var $_readonly = false;
/** function or method that implements a validator for fields that
are set, this validator function returns true if the field is
valid, false if not */
var $_validator = null;
// }}}
// {{{ constructor
/**
* Constructor
*
* @param $table string the name of the database table
*
* @param $keycolumn mixed string with name of key column, or array of
* strings if the table has a primary key of more than one column
*
* @param $dbh object database connection object
*
* @param $validator mixed function or method used to validate
* each new value, called with three parameters: the name of the
* field/column that is changing, a reference to the new value and
* a reference to this object
*
*/
function DB_storage($table, $keycolumn, &$dbh, $validator = null)
{
$this->PEAR('DB_Error');
$this->_table = $table;
$this->_keycolumn = $keycolumn;
$this->_dbh = $dbh;
$this->_readonly = false;
$this->_validator = $validator;
}
// }}}
// {{{ _makeWhere()
/**
* Utility method to build a "WHERE" clause to locate ourselves in
* the table.
*
* XXX future improvement: use rowids?
*
* @access private
*/
function _makeWhere($keyval = null)
{
if (is_array($this->_keycolumn)) {
if ($keyval === null) {
for ($i = 0; $i < sizeof($this->_keycolumn); $i++) {
$keyval[] = $this->{$this->_keycolumn[$i]};
}
}
$whereclause = '';
for ($i = 0; $i < sizeof($this->_keycolumn); $i++) {
if ($i > 0) {
$whereclause .= ' AND ';
}
$whereclause .= $this->_keycolumn[$i];
if (is_null($keyval[$i])) {
// there's not much point in having a NULL key,
// but we support it anyway
$whereclause .= ' IS NULL';
} else {
$whereclause .= ' = ' . $this->_dbh->quote($keyval[$i]);
}
}
} else {
if ($keyval === null) {
$keyval = @$this->{$this->_keycolumn};
}
$whereclause = $this->_keycolumn;
if (is_null($keyval)) {
// there's not much point in having a NULL key,
// but we support it anyway
$whereclause .= ' IS NULL';
} else {
$whereclause .= ' = ' . $this->_dbh->quote($keyval);
}
}
return $whereclause;
}
// }}}
// {{{ setup()
/**
* Method used to initialize a DB_storage object from the
* configured table.
*
* @param $keyval mixed the key[s] of the row to fetch (string or array)
*
* @return int DB_OK on success, a DB error if not
*/
function setup($keyval)
{
$whereclause = $this->_makeWhere($keyval);
$query = 'SELECT * FROM ' . $this->_table . ' WHERE ' . $whereclause;
$sth = $this->_dbh->query($query);
if (DB::isError($sth)) {
return $sth;
}
$row = $sth->fetchRow(DB_FETCHMODE_ASSOC);
if (DB::isError($row)) {
return $row;
}
if (!$row) {
return $this->raiseError(null, DB_ERROR_NOT_FOUND, null, null,
$query, null, true);
}
foreach ($row as $key => $value) {
$this->_properties[$key] = true;
$this->$key = $value;
}
return DB_OK;
}
// }}}
// {{{ insert()
/**
* Create a new (empty) row in the configured table for this
* object.
*/
function insert($newpk)
{
if (is_array($this->_keycolumn)) {
$primarykey = $this->_keycolumn;
} else {
$primarykey = array($this->_keycolumn);
}
settype($newpk, "array");
for ($i = 0; $i < sizeof($primarykey); $i++) {
$pkvals[] = $this->_dbh->quote($newpk[$i]);
}
$sth = $this->_dbh->query("INSERT INTO $this->_table (" .
implode(",", $primarykey) . ") VALUES(" .
implode(",", $pkvals) . ")");
if (DB::isError($sth)) {
return $sth;
}
if (sizeof($newpk) == 1) {
$newpk = $newpk[0];
}
$this->setup($newpk);
}
// }}}
// {{{ toString()
/**
* Output a simple description of this DB_storage object.
* @return string object description
*/
function toString()
{
$info = strtolower(get_class($this));
$info .= " (table=";
$info .= $this->_table;
$info .= ", keycolumn=";
if (is_array($this->_keycolumn)) {
$info .= "(" . implode(",", $this->_keycolumn) . ")";
} else {
$info .= $this->_keycolumn;
}
$info .= ", dbh=";
if (is_object($this->_dbh)) {
$info .= $this->_dbh->toString();
} else {
$info .= "null";
}
$info .= ")";
if (sizeof($this->_properties)) {
$info .= " [loaded, key=";
$keyname = $this->_keycolumn;
if (is_array($keyname)) {
$info .= "(";
for ($i = 0; $i < sizeof($keyname); $i++) {
if ($i > 0) {
$info .= ",";
}
$info .= $this->$keyname[$i];
}
$info .= ")";
} else {
$info .= $this->$keyname;
}
$info .= "]";
}
if (sizeof($this->_changes)) {
$info .= " [modified]";
}
return $info;
}
// }}}
// {{{ dump()
/**
* Dump the contents of this object to "standard output".
*/
function dump()
{
foreach ($this->_properties as $prop => $foo) {
print "$prop = ";
print htmlentities($this->$prop);
print "<br />\n";
}
}
// }}}
// {{{ &create()
/**
* Static method used to create new DB storage objects.
* @param $data assoc. array where the keys are the names
* of properties/columns
* @return object a new instance of DB_storage or a subclass of it
*/
function &create($table, &$data)
{
$classname = strtolower(get_class($this));
$obj =& new $classname($table);
foreach ($data as $name => $value) {
$obj->_properties[$name] = true;
$obj->$name = &$value;
}
return $obj;
}
// }}}
// {{{ loadFromQuery()
/**
* Loads data into this object from the given query. If this
* object already contains table data, changes will be saved and
* the object re-initialized first.
*
* @param $query SQL query
*
* @param $params parameter list in case you want to use
* prepare/execute mode
*
* @return int DB_OK on success, DB_WARNING_READ_ONLY if the
* returned object is read-only (because the object's specified
* key column was not found among the columns returned by $query),
* or another DB error code in case of errors.
*/
// XXX commented out for now
/*
function loadFromQuery($query, $params = null)
{
if (sizeof($this->_properties)) {
if (sizeof($this->_changes)) {
$this->store();
$this->_changes = array();
}
$this->_properties = array();
}
$rowdata = $this->_dbh->getRow($query, DB_FETCHMODE_ASSOC, $params);
if (DB::isError($rowdata)) {
return $rowdata;
}
reset($rowdata);
$found_keycolumn = false;
while (list($key, $value) = each($rowdata)) {
if ($key == $this->_keycolumn) {
$found_keycolumn = true;
}
$this->_properties[$key] = true;
$this->$key = &$value;
unset($value); // have to unset, or all properties will
// refer to the same value
}
if (!$found_keycolumn) {
$this->_readonly = true;
return DB_WARNING_READ_ONLY;
}
return DB_OK;
}
*/
// }}}
// {{{ set()
/**
* Modify an attriute value.
*/
function set($property, $newvalue)
{
// only change if $property is known and object is not
// read-only
if ($this->_readonly) {
return $this->raiseError(null, DB_WARNING_READ_ONLY, null,
null, null, null, true);
}
if (@isset($this->_properties[$property])) {
if (empty($this->_validator)) {
$valid = true;
} else {
$valid = @call_user_func($this->_validator,
$this->_table,
$property,
$newvalue,
$this->$property,
$this);
}
if ($valid) {
$this->$property = $newvalue;
if (empty($this->_changes[$property])) {
$this->_changes[$property] = 0;
} else {
$this->_changes[$property]++;
}
} else {
return $this->raiseError(null, DB_ERROR_INVALID, null,
null, "invalid field: $property",
null, true);
}
return true;
}
return $this->raiseError(null, DB_ERROR_NOSUCHFIELD, null,
null, "unknown field: $property",
null, true);
}
// }}}
// {{{ &get()
/**
* Fetch an attribute value.
*
* @param string attribute name
*
* @return attribute contents, or null if the attribute name is
* unknown
*/
function &get($property)
{
// only return if $property is known
if (isset($this->_properties[$property])) {
return $this->$property;
}
$tmp = null;
return $tmp;
}
// }}}
// {{{ _DB_storage()
/**
* Destructor, calls DB_storage::store() if there are changes
* that are to be kept.
*/
function _DB_storage()
{
if (sizeof($this->_changes)) {
$this->store();
}
$this->_properties = array();
$this->_changes = array();
$this->_table = null;
}
// }}}
// {{{ store()
/**
* Stores changes to this object in the database.
*
* @return DB_OK or a DB error
*/
function store()
{
foreach ($this->_changes as $name => $foo) {
$params[] = &$this->$name;
$vars[] = $name . ' = ?';
}
if ($vars) {
$query = 'UPDATE ' . $this->_table . ' SET ' .
implode(', ', $vars) . ' WHERE ' .
$this->_makeWhere();
$stmt = $this->_dbh->prepare($query);
$res = $this->_dbh->execute($stmt, $params);
if (DB::isError($res)) {
return $res;
}
$this->_changes = array();
}
return DB_OK;
}
// }}}
// {{{ remove()
/**
* Remove the row represented by this object from the database.
*
* @return mixed DB_OK or a DB error
*/
function remove()
{
if ($this->_readonly) {
return $this->raiseError(null, DB_WARNING_READ_ONLY, null,
null, null, null, true);
}
$query = 'DELETE FROM ' . $this->_table .' WHERE '.
$this->_makeWhere();
$res = $this->_dbh->query($query);
if (DB::isError($res)) {
return $res;
}
foreach ($this->_properties as $prop => $foo) {
unset($this->$prop);
}
$this->_properties = array();
$this->_changes = array();
return DB_OK;
}
// }}}
}
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
*/
?>
repository/flickr/PEAR/HTTP/Request.php
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repository/flickr/PEAR/Net/Socket.php
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<?php
//
// +----------------------------------------------------------------------+
// | PHP Version 4 |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997-2003 The PHP Group |
// +----------------------------------------------------------------------+
// | This source file is subject to version 2.0 of the PHP license, |
// | that is bundled with this package in the file LICENSE, and is |
// | available at through the world-wide-web at |
// | http://www.php.net/license/2_02.txt. |
// | If you did not receive a copy of the PHP license and are unable to |
// | obtain it through the world-wide-web, please send a note to |
// | [email protected] so we can mail you a copy immediately. |
// +----------------------------------------------------------------------+
// | Authors: Stig Bakken <[email protected]> |
// | Chuck Hagenbuch <[email protected]> |
// +----------------------------------------------------------------------+
//
// $Id$
require_once 'PEAR.php';
define('NET_SOCKET_READ', 1);
define('NET_SOCKET_WRITE', 2);
define('NET_SOCKET_ERROR', 3);
/**
* Generalized Socket class.
*
* @version 1.1
* @author Stig Bakken <[email protected]>
* @author Chuck Hagenbuch <[email protected]>
*/
class Net_Socket extends PEAR {
/**
* Socket file pointer.
* @var resource $fp
*/
var $fp = null;
/**
* Whether the socket is blocking. Defaults to true.
* @var boolean $blocking
*/
var $blocking = true;
/**
* Whether the socket is persistent. Defaults to false.
* @var boolean $persistent
*/
var $persistent = false;
/**
* The IP address to connect to.
* @var string $addr
*/
var $addr = '';
/**
* The port number to connect to.
* @var integer $port
*/
var $port = 0;
/**
* Number of seconds to wait on socket connections before assuming
* there's no more data. Defaults to no timeout.
* @var integer $timeout
*/
var $timeout = false;
/**
* Number of bytes to read at a time in readLine() and
* readAll(). Defaults to 2048.
* @var integer $lineLength
*/
var $lineLength = 2048;
/**
* Connect to the specified port. If called when the socket is
* already connected, it disconnects and connects again.
*
* @param string $addr IP address or host name.
* @param integer $port TCP port number.
* @param boolean $persistent (optional) Whether the connection is
* persistent (kept open between requests
* by the web server).
* @param integer $timeout (optional) How long to wait for data.
* @param array $options See options for stream_context_create.
*
* @access public
*
* @return boolean | PEAR_Error True on success or a PEAR_Error on failure.
*/
function connect($addr, $port = 0, $persistent = null, $timeout = null, $options = null)
{
if (is_resource($this->fp)) {
@fclose($this->fp);
$this->fp = null;
}
if (!$addr) {
return $this->raiseError('$addr cannot be empty');
} elseif (strspn($addr, '.0123456789') == strlen($addr) ||
strstr($addr, '/') !== false) {
$this->addr = $addr;
} else {
$this->addr = @gethostbyname($addr);
}
$this->port = $port % 65536;
if ($persistent !== null) {
$this->persistent = $persistent;
}
if ($timeout !== null) {
$this->timeout = $timeout;
}
$openfunc = $this->persistent ? 'pfsockopen' : 'fsockopen';
$errno = 0;
$errstr = '';
if ($options && function_exists('stream_context_create')) {
if ($this->timeout) {
$timeout = $this->timeout;
} else {
$timeout = 0;
}
$context = stream_context_create($options);
$fp = @$openfunc($this->addr, $this->port, $errno, $errstr, $timeout, $context);
} else {
if ($this->timeout) {
$fp = @$openfunc($this->addr, $this->port, $errno, $errstr, $this->timeout);
} else {
$fp = @$openfunc($this->addr, $this->port, $errno, $errstr);
}
}
if (!$fp) {
return $this->raiseError($errstr, $errno);
}
$this->fp = $fp;
return $this->setBlocking($this->blocking);
}
/**
* Disconnects from the peer, closes the socket.
*
* @access public
* @return mixed true on success or an error object otherwise
*/
function disconnect()
{
if (!is_resource($this->fp)) {
return $this->raiseError('not connected');
}
@fclose($this->fp);
$this->fp = null;
return true;
}
/**
* Find out if the socket is in blocking mode.
*
* @access public
* @return boolean The current blocking mode.
*/
function isBlocking()
{
return $this->blocking;
}
/**
* Sets whether the socket connection should be blocking or
* not. A read call to a non-blocking socket will return immediately
* if there is no data available, whereas it will block until there
* is data for blocking sockets.
*
* @param boolean $mode True for blocking sockets, false for nonblocking.
* @access public
* @return mixed true on success or an error object otherwise
*/
function setBlocking($mode)
{
if (!is_resource($this->fp)) {
return $this->raiseError('not connected');
}
$this->blocking = $mode;
socket_set_blocking($this->fp, $this->blocking);
return true;
}
/**
* Sets the timeout value on socket descriptor,
* expressed in the sum of seconds and microseconds
*
* @param integer $seconds Seconds.
* @param integer $microseconds Microseconds.
* @access public
* @return mixed true on success or an error object otherwise
*/
function setTimeout($seconds, $microseconds)
{
if (!is_resource($this->fp)) {
return $this->raiseError('not connected');
}
return socket_set_timeout($this->fp, $seconds, $microseconds);
}
/**
* Returns information about an existing socket resource.
* Currently returns four entries in the result array:
*
* <p>
* timed_out (bool) - The socket timed out waiting for data<br>
* blocked (bool) - The socket was blocked<br>
* eof (bool) - Indicates EOF event<br>
* unread_bytes (int) - Number of bytes left in the socket buffer<br>
* </p>
*
* @access public
* @return mixed Array containing information about existing socket resource or an error object otherwise
*/
function getStatus()
{
if (!is_resource($this->fp)) {
return $this->raiseError('not connected');
}
return socket_get_status($this->fp);
}
/**
* Get a specified line of data
*
* @access public
* @return $size bytes of data from the socket, or a PEAR_Error if
* not connected.
*/
function gets($size)
{
if (!is_resource($this->fp)) {
return $this->raiseError('not connected');
}
return @fgets($this->fp, $size);
}
/**
* Read a specified amount of data. This is guaranteed to return,
* and has the added benefit of getting everything in one fread()
* chunk; if you know the size of the data you're getting
* beforehand, this is definitely the way to go.
*
* @param integer $size The number of bytes to read from the socket.
* @access public
* @return $size bytes of data from the socket, or a PEAR_Error if
* not connected.
*/
function read($size)
{
if (!is_resource($this->fp)) {
return $this->raiseError('not connected');
}
return @fread($this->fp, $size);
}
/**
* Write a specified amount of data.
*
* @param string $data Data to write.
* @param integer $blocksize Amount of data to write at once.
* NULL means all at once.
*
* @access public
* @return mixed true on success or an error object otherwise
*/
function write($data, $blocksize = null)
{
if (!is_resource($this->fp)) {
return $this->raiseError('not connected');
}
if (is_null($blocksize) && !OS_WINDOWS) {
return fwrite($this->fp, $data);
} else {
if (is_null($blocksize)) {
$blocksize = 1024;
}
$pos = 0;
$size = strlen($data);
while ($pos < $size) {
$written = @fwrite($this->fp, substr($data, $pos, $blocksize));
if ($written === false) {
return false;
}
$pos += $written;
}
return $pos;
}
}
/**
* Write a line of data to the socket, followed by a trailing "\r\n".
*
* @access public
* @return mixed fputs result, or an error
*/
function writeLine($data)
{
if (!is_resource($this->fp)) {
return $this->raiseError('not connected');
}
return fwrite($this->fp, $data . "\r\n");
}
/**
* Tests for end-of-file on a socket descriptor.
*
* @access public
* @return bool
*/
function eof()
{
return (is_resource($this->fp) && feof($this->fp));
}
/**
* Reads a byte of data
*
* @access public
* @return 1 byte of data from the socket, or a PEAR_Error if
* not connected.
*/
function readByte()
{
if (!is_resource($this->fp)) {
return $this->raiseError('not connected');
}
return ord(@fread($this->fp, 1));
}
/**
* Reads a word of data
*
* @access public
* @return 1 word of data from the socket, or a PEAR_Error if
* not connected.
*/
function readWord()
{
if (!is_resource($this->fp)) {
return $this->raiseError('not connected');
}
$buf = @fread($this->fp, 2);
return (ord($buf[0]) + (ord($buf[1]) << 8));
}
/**
* Reads an int of data
*
* @access public
* @return integer 1 int of data from the socket, or a PEAR_Error if
* not connected.
*/
function readInt()
{
if (!is_resource($this->fp)) {
return $this->raiseError('not connected');
}
$buf = @fread($this->fp, 4);
return (ord($buf[0]) + (ord($buf[1]) << 8) +
(ord($buf[2]) << 16) + (ord($buf[3]) << 24));
}
/**
* Reads a zero-terminated string of data
*
* @access public
* @return string, or a PEAR_Error if
* not connected.
*/
function readString()
{
if (!is_resource($this->fp)) {
return $this->raiseError('not connected');
}
$string = '';
while (($char = @fread($this->fp, 1)) != "\x00") {
$string .= $char;
}
return $string;
}
/**
* Reads an IP Address and returns it in a dot formated string
*
* @access public
* @return Dot formated string, or a PEAR_Error if
* not connected.
*/
function readIPAddress()
{
if (!is_resource($this->fp)) {
return $this->raiseError('not connected');
}
$buf = @fread($this->fp, 4);
return sprintf("%s.%s.%s.%s", ord($buf[0]), ord($buf[1]),
ord($buf[2]), ord($buf[3]));
}
/**
* Read until either the end of the socket or a newline, whichever
* comes first. Strips the trailing newline from the returned data.
*
* @access public
* @return All available data up to a newline, without that
* newline, or until the end of the socket, or a PEAR_Error if
* not connected.
*/
function readLine()
{
if (!is_resource($this->fp)) {
return $this->raiseError('not connected');
}
$line = '';
$timeout = time() + $this->timeout;
while (!feof($this->fp) && (!$this->timeout || time() < $timeout)) {
$line .= @fgets($this->fp, $this->lineLength);
if (substr($line, -1) == "\n") {
return rtrim($line, "\r\n");
}
}
return $line;
}
/**
* Read until the socket closes, or until there is no more data in
* the inner PHP buffer. If the inner buffer is empty, in blocking
* mode we wait for at least 1 byte of data. Therefore, in
* blocking mode, if there is no data at all to be read, this
* function will never exit (unless the socket is closed on the
* remote end).
*
* @access public
*
* @return string All data until the socket closes, or a PEAR_Error if
* not connected.
*/
function readAll()
{
if (!is_resource($this->fp)) {
return $this->raiseError('not connected');
}
$data = '';
while (!feof($this->fp)) {
$data .= @fread($this->fp, $this->lineLength);
}
return $data;
}
/**
* Runs the equivalent of the select() system call on the socket
* with a timeout specified by tv_sec and tv_usec.
*
* @param integer $state Which of read/write/error to check for.
* @param integer $tv_sec Number of seconds for timeout.
* @param integer $tv_usec Number of microseconds for timeout.
*
* @access public
* @return False if select fails, integer describing which of read/write/error
* are ready, or PEAR_Error if not connected.
*/
function select($state, $tv_sec, $tv_usec = 0)
{
if (!is_resource($this->fp)) {
return $this->raiseError('not connected');
}
$read = null;
$write = null;
$except = null;
if ($state & NET_SOCKET_READ) {
$read[] = $this->fp;
}
if ($state & NET_SOCKET_WRITE) {
$write[] = $this->fp;
}
if ($state & NET_SOCKET_ERROR) {
$except[] = $this->fp;
}
if (false === ($sr = stream_select($read, $write, $except, $tv_sec, $tv_usec))) {
return false;
}
$result = 0;
if (count($read)) {
$result |= NET_SOCKET_READ;
}
if (count($write)) {
$result |= NET_SOCKET_WRITE;
}
if (count($except)) {
$result |= NET_SOCKET_ERROR;
}
return $result;
}
}
repository/flickr/PEAR/Net/URL.php
-410
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@@ -1,410 +0,0 @@
<?php
// +-----------------------------------------------------------------------+
// | Copyright (c) 2002-2004, Richard Heyes |
// | All rights reserved. |
// | |
// | Redistribution and use in source and binary forms, with or without |
// | modification, are permitted provided that the following conditions |
// | are met: |
// | |
// | o Redistributions of source code must retain the above copyright |
// | notice, this list of conditions and the following disclaimer. |
// | o Redistributions in binary form must reproduce the above copyright |
// | notice, this list of conditions and the following disclaimer in the |
// | documentation and/or other materials provided with the distribution.|
// | o The names of the authors may not be used to endorse or promote |
// | products derived from this software without specific prior written |
// | permission. |
// | |
// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
// | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
// | OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
// | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
// | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
// | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
// | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
// | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
// | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
// | |
// +-----------------------------------------------------------------------+
// | Author: Richard Heyes <richard at php net> |
// +-----------------------------------------------------------------------+
//
// $Id$
//
// Net_URL Class
class Net_URL
{
/**
* Full url
* @var string
*/
var $url;
/**
* Protocol
* @var string
*/
var $protocol;
/**
* Username
* @var string
*/
var $username;
/**
* Password
* @var string
*/
var $password;
/**
* Host
* @var string
*/
var $host;
/**
* Port
* @var integer
*/
var $port;
/**
* Path
* @var string
*/
var $path;
/**
* Query string
* @var array
*/
var $querystring;
/**
* Anchor
* @var string
*/
var $anchor;
/**
* Whether to use []
* @var bool
*/
var $useBrackets;
/**
* PHP4 Constructor
*
* @see __construct()
*/
function Net_URL($url = null, $useBrackets = true)
{
$this->__construct($url, $useBrackets);
}
/**
* PHP5 Constructor
*
* Parses the given url and stores the various parts
* Defaults are used in certain cases
*
* @param string $url Optional URL
* @param bool $useBrackets Whether to use square brackets when
* multiple querystrings with the same name
* exist
*/
function __construct($url = null, $useBrackets = true)
{
$HTTP_SERVER_VARS = !empty($_SERVER) ? $_SERVER : $GLOBALS['HTTP_SERVER_VARS'];
$this->useBrackets = $useBrackets;
$this->url = $url;
$this->user = '';
$this->pass = '';
$this->host = '';
$this->port = 80;
$this->path = '';
$this->querystring = array();
$this->anchor = '';
// Only use defaults if not an absolute URL given
if (!preg_match('/^[a-z0-9]+:\/\//i', $url)) {
$this->protocol = (@$HTTP_SERVER_VARS['HTTPS'] == 'on' ? 'https' : 'http');
/**
* Figure out host/port
*/
if (!empty($HTTP_SERVER_VARS['HTTP_HOST']) AND preg_match('/^(.*)(:([0-9]+))?$/U', $HTTP_SERVER_VARS['HTTP_HOST'], $matches)) {
$host = $matches[1];
if (!empty($matches[3])) {
$port = $matches[3];
} else {
$port = $this->getStandardPort($this->protocol);
}
}
$this->user = '';
$this->pass = '';
$this->host = !empty($host) ? $host : (isset($HTTP_SERVER_VARS['SERVER_NAME']) ? $HTTP_SERVER_VARS['SERVER_NAME'] : 'localhost');
$this->port = !empty($port) ? $port : (isset($HTTP_SERVER_VARS['SERVER_PORT']) ? $HTTP_SERVER_VARS['SERVER_PORT'] : $this->getStandardPort($this->protocol));
$this->path = !empty($HTTP_SERVER_VARS['PHP_SELF']) ? $HTTP_SERVER_VARS['PHP_SELF'] : '/';
$this->querystring = isset($HTTP_SERVER_VARS['QUERY_STRING']) ? $this->_parseRawQuerystring($HTTP_SERVER_VARS['QUERY_STRING']) : null;
$this->anchor = '';
}
// Parse the url and store the various parts
if (!empty($url)) {
$urlinfo = parse_url($url);
// Default querystring
$this->querystring = array();
foreach ($urlinfo as $key => $value) {
switch ($key) {
case 'scheme':
$this->protocol = $value;
$this->port = $this->getStandardPort($value);
break;
case 'user':
case 'pass':
case 'host':
case 'port':
$this->$key = $value;
break;
case 'path':
if ($value{0} == '/') {
$this->path = $value;
} else {
$path = dirname($this->path) == DIRECTORY_SEPARATOR ? '' : dirname($this->path);
$this->path = sprintf('%s/%s', $path, $value);
}
break;
case 'query':
$this->querystring = $this->_parseRawQueryString($value);
break;
case 'fragment':
$this->anchor = $value;
break;
}
}
}
}
/**
* Returns full url
*
* @return string Full url
* @access public
*/
function getURL()
{
$querystring = $this->getQueryString();
$this->url = $this->protocol . '://'
. $this->user . (!empty($this->pass) ? ':' : '')
. $this->pass . (!empty($this->user) ? '@' : '')
. $this->host . ($this->port == $this->getStandardPort($this->protocol) ? '' : ':' . $this->port)
. $this->path
. (!empty($querystring) ? '?' . $querystring : '')
. (!empty($this->anchor) ? '#' . $this->anchor : '');
return $this->url;
}
/**
* Adds a querystring item
*
* @param string $name Name of item
* @param string $value Value of item
* @param bool $preencoded Whether value is urlencoded or not, default = not
* @access public
*/
function addQueryString($name, $value, $preencoded = false)
{
if ($preencoded) {
$this->querystring[$name] = $value;
} else {
$this->querystring[$name] = is_array($value) ? array_map('rawurlencode', $value): rawurlencode($value);
}
}
/**
* Removes a querystring item
*
* @param string $name Name of item
* @access public
*/
function removeQueryString($name)
{
if (isset($this->querystring[$name])) {
unset($this->querystring[$name]);
}
}
/**
* Sets the querystring to literally what you supply
*
* @param string $querystring The querystring data. Should be of the format foo=bar&x=y etc
* @access public
*/
function addRawQueryString($querystring)
{
$this->querystring = $this->_parseRawQueryString($querystring);
}
/**
* Returns flat querystring
*
* @return string Querystring
* @access public
*/
function getQueryString()
{
if (!empty($this->querystring)) {
foreach ($this->querystring as $name => $value) {
if (is_array($value)) {
foreach ($value as $k => $v) {
$querystring[] = $this->useBrackets ? sprintf('%s[%s]=%s', $name, $k, $v) : ($name . '=' . $v);
}
} elseif (!is_null($value)) {
$querystring[] = $name . '=' . $value;
} else {
$querystring[] = $name;
}
}
$querystring = implode(ini_get('arg_separator.output'), $querystring);
} else {
$querystring = '';
}
return $querystring;
}
/**
* Parses raw querystring and returns an array of it
*
* @param string $querystring The querystring to parse
* @return array An array of the querystring data
* @access private
*/
function _parseRawQuerystring($querystring)
{
$parts = preg_split('/[' . preg_quote(ini_get('arg_separator.input'), '/') . ']/', $querystring, -1, PREG_SPLIT_NO_EMPTY);
$return = array();
foreach ($parts as $part) {
if (strpos($part, '=') !== false) {
$value = substr($part, strpos($part, '=') + 1);
$key = substr($part, 0, strpos($part, '='));
} else {
$value = null;
$key = $part;
}
if (substr($key, -2) == '[]') {
$key = substr($key, 0, -2);
if (@!is_array($return[$key])) {
$return[$key] = array();
$return[$key][] = $value;
} else {
$return[$key][] = $value;
}
} elseif (!$this->useBrackets AND !empty($return[$key])) {
$return[$key] = (array)$return[$key];
$return[$key][] = $value;
} else {
$return[$key] = $value;
}
}
return $return;
}
/**
* Resolves //, ../ and ./ from a path and returns
* the result. Eg:
*
* /foo/bar/../boo.php => /foo/boo.php
* /foo/bar/../../boo.php => /boo.php
* /foo/bar/.././/boo.php => /foo/boo.php
*
* This method can also be called statically.
*
* @param string $url URL path to resolve
* @return string The result
*/
function resolvePath($path)
{
$path = explode('/', str_replace('//', '/', $path));
for ($i=0; $i<count($path); $i++) {
if ($path[$i] == '.') {
unset($path[$i]);
$path = array_values($path);
$i--;
} elseif ($path[$i] == '..' AND ($i > 1 OR ($i == 1 AND $path[0] != '') ) ) {
unset($path[$i]);
unset($path[$i-1]);
$path = array_values($path);
$i -= 2;
} elseif ($path[$i] == '..' AND $i == 1 AND $path[0] == '') {
unset($path[$i]);
$path = array_values($path);
$i--;
} else {
continue;
}
}
return implode('/', $path);
}
/**
* Returns the standard port number for a protocol
*
* @param string $scheme The protocol to lookup
* @return integer Port number or NULL if no scheme matches
*
* @author Philippe Jausions <[email protected]>
*/
function getStandardPort($scheme)
{
switch (strtolower($scheme)) {
case 'http': return 80;
case 'https': return 443;
case 'ftp': return 21;
case 'imap': return 143;
case 'imaps': return 993;
case 'pop3': return 110;
case 'pop3s': return 995;
default: return null;
}
}
/**
* Forces the URL to a particular protocol
*
* @param string $protocol Protocol to force the URL to
* @param integer $port Optional port (standard port is used by default)
*/
function setProtocol($protocol, $port = null)
{
$this->protocol = $protocol;
$this->port = is_null($port) ? $this->getStandardPort() : $port;
}
}
?>
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