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83566eaf8db7edede7bd52e2fb5a70009739e66c
luos/workflow/engine/classes/class.xmlDb.php
jennylee ef66773130 CODE STYLE, changes... 
FILES:
workflow/engine/classes/class.derivation.php
workflow/engine/classes/class.popupMenu.php
workflow/engine/classes/class.processes.php
workflow/engine/classes/class.xmlDb.php
workflow/engine/classes/triggers/api/class.zimbraApi.php
2012-10-22 15:45:47 -04:00

628 lines
23 KiB
PHP
Executable File
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<?php
/**
* class.xmlDb.php
*
* @package workflow.engine.ProcessMaker
*
* ProcessMaker Open Source Edition
* Copyright (C) 2004 - 2011 Colosa Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* For more information, contact Colosa Inc, 2566 Le Jeune Rd.,
* Coral Gables, FL, 33134, USA, or email info@colosa.com.
*
*/
/**
* XMLDB
*
* ProcessMaker Open Source Edition
*
* @copyright (C) 2004 - 2008 Colosa Inc.23
* @package workflow.engine.ProcessMaker
*
*/
class XMLDB
{
/**
* &connect
*
* @param string $dsn
* @return array $options
*/
public function &connect ($dsn, $options = array())
{
//Needed for $mysql_real_escape_string
$mresdbc = new DBConnection();
if (! file_exists( $dsn )) {
$err = new DB_Error( "File $dsn not found." );
return $err;
}
$dbc = new XMLConnection( $dsn );
return $dbc;
}
/**
* isError
*
* @param string $result
* @return boolean is_a($result, 'DB_Error')
*/
public function isError ($result)
{
return is_a( $result, 'DB_Error' );
}
}
/**
* XMLConnection
*
* ProcessMaker Open Source Edition
*
* @copyright (C) 2004 - 2008 Colosa Inc.23
* @package workflow.engine.ProcessMaker
*
*/
class XMLConnection
{
var $phptype = 'myxml';
var $caseFolding = true;
var $xmldoc = null;
var $xmlFile = '';
/**
* XMLConnection
*
* @param string $file
* @return void
*/
public function XMLConnection ($file)
{
$this->xmldoc = new Xml_Document();
$this->xmldoc->parseXmlFile( $file );
$this->xmlFile = $file;
}
/**
* &query
* Actualy the only one supported query is simple SELECT.
*
* @param string $sql
* @return object(XMLResult) $result
*/
public function &query ($sql)
{
if (! isset( $this->xmldoc )) {
$err = new DB_Error( "Error: Closed xmlConnection." );
return $err;
}
if (1 === preg_match( '/^\s*SELECT\s+([\w\W]+?)(?:\s+FROM\s+`?([^`]+?)`?)(?:\s+WHERE\s+([\w\W]+?))?(?:\s+GROUP\s+BY\s+([\w\W]+?))?(?:\s+ORDER\s+BY\s+([\w\W]+?))?(?:\s+BETWEEN\s+([\w\W]+?)\s+AND\s+([\w\W]+?))?(?:\s+LIMIT\s+(\d+)\s*,\s*(\d+))?\s*$/im', $sql, $matches )) {
$sqlColumns = $matches[1];
$sqlFrom = isset( $matches[2] ) ? $matches[2] : '';
$sqlWhere = isset( $matches[3] ) ? $matches[3] : '';
$sqlGroupBy = isset( $matches[4] ) ? $matches[4] : '';
$sqlOrderBy = isset( $matches[5] ) ? $matches[5] : '';
$sqlLowLimit = isset( $matches[8] ) ? $matches[8] : '';
$sqlHighLimit = isset( $matches[9] ) ? $matches[9] : '';
/* Start Block: Fields list */
$count = preg_match_all( '/\s*(\*|[\w\.]+)(?:\s+AS\s+([\w\.]+))?/im', $sqlColumns, $match, PREG_PATTERN_ORDER | PREG_OFFSET_CAPTURE );
$fieldsList = array ();
for ($r = 0; $r < $count; $r ++) {
$name = (is_array( $match[2][$r] ) && $match[2][$r][0] !== '') ? $match[2][$r][0] : $match[1][$r][0];
$fieldsList[$name] = $match[1][$r][0];
}
/* End Block */
/* Start Block: Order list */
$count = preg_match_all( '/\s*(\*|[\w\.]+)(\s+ASC|\s+DESC)?\s*,?/im', $sqlOrderBy, $match, PREG_PATTERN_ORDER | PREG_OFFSET_CAPTURE );
$orderList = array ();
for ($r = $count - 1; $r >= 0; $r --) {
$direction = (is_array( $match[2][$r] ) && $match[2][$r][0] !== '') ? $match[2][$r][0] : 'ASC';
$direction = strtoupper( $direction );
$orderList[$match[1][$r][0]] = $direction;
}
/* End Block */
$xmlFrom = '/' . str_replace( '.', '/', $sqlFrom );
$node = & $this->xmldoc->findNode( $xmlFrom );
if (! isset( $node )) {
//$err = new DB_Error( "$xmlFrom node not found in $dsn." );
throw new Exception( "$xmlFrom node not found in " . $this->xmlFile . "." );
return $err;
} else {
$res = $this->fetchChildren( $node );
}
/* Start Block: WHERE*/
if ($sqlWhere !== '') {
/*Start Block: Replace the operator */
$blocks = preg_split( '/("(?:(?:[^"]|"")*)"|\'(?:(?:[^\']|\'\')*)\')/im', $sqlWhere, - 1, PREG_SPLIT_DELIM_CAPTURE );
$sqlWhere = '';
for ($r = 0; $r < sizeof( $blocks ); $r ++) {
if (($r % 2) === 0) {
$blocks[$r] = str_replace( '=', '==', $blocks[$r] );
$blocks[$r] = str_replace( '<>', '!=', $blocks[$r] );
$blocks[$r] = str_replace( 'AND', '&&', $blocks[$r] );
$blocks[$r] = str_replace( 'and', '&&', $blocks[$r] );
$blocks[$r] = str_replace( 'OR', '||', $blocks[$r] );
$blocks[$r] = str_replace( 'or', '||', $blocks[$r] );
$blocks[$r] = str_replace( 'NOT', '!', $blocks[$r] );
$blocks[$r] = str_replace( 'not', '!', $blocks[$r] );
$blocks[$r] = preg_replace( '/\b[a-zA-Z_][\w\.]*\b/im', '$res[$r][\'$0\']', $blocks[$r] );
$blocks[$r] = preg_replace( '/\$res\[\$r\]\[\'(like)\'\]/im', '$1', $blocks[$r] );
}
$sqlWhere .= $blocks[$r];
}
$sqlWhere = preg_replace_callback( '/(.+)\s+like\s+("(?:(?:[^"]|"")*)"|\'(?:(?:[^\']|\'\')*)\')/im', array ('XMLConnection','sqlWhereLike'
), $sqlWhere );
$sqlWhere = preg_replace_callback( '/"(?:(?:[^"]|"")*)"|\'(?:(?:[^\']|\'\')*)\'/im', array ('XMLConnection','sqlString'
), $sqlWhere );
$newRes = array ();
for ($r = 0; $r < sizeof( $res ); $r ++) {
$evalWhere = false;
@eval( '$evalWhere = ' . $sqlWhere . ';' );
if ($evalWhere) {
$newRes[] = $res[$r];
}
}
$res = $newRes;
}
/* End Block */
/* Start Block: Expands the resultant data according to fill an array
* with the required fields in the query.
*/
for ($r = 0; $r < sizeof( $res ); $r ++) {
$res[$r] = $this->expandFields( $res[$r], $fieldsList );
}
/* End Block */
/* Start Block: ORDER BY*/
foreach ($orderList as $field => $direction) {
for ($i = 0; $i < sizeof( $res ); $i ++) {
for ($j = $i + 1; $j < sizeof( $res ); $j ++) {
$condition = ($direction === 'ASC') ? ($res[$j] < $res[$i]) : ($res[$j] > $res[$i]);
if ($condition) {
$swap = $res[$i];
$res[$i] = $res[$j];
$res[$j] = $swap;
}
}
}
}
/* End Block */
/* Start Block: Apply limits */
if ($sqlLowLimit != '' && $sqlHighLimit != '') {
$sqlLowLimit = (int) $sqlLowLimit;
$sqlHighLimit = (int) $sqlHighLimit;
$res = array_slice( $res, $sqlLowLimit, $sqlHighLimit );
}
/* End Block */
$result = new XMLResult( $res );
return $result;
} elseif (1 === preg_match( '/^\s*DELETE\s+FROM\s+`?([^`]+?)`?(?:\s+WHERE\s+([\w\W]+?))?\s*$/im', $sql, $matches )) {
$sqlFrom = isset( $matches[1] ) ? $matches[1] : '';
$sqlWhere = isset( $matches[2] ) ? $matches[2] : '1';
/* Start Block: WHERE*/
/*Start Block: Replace the operator */
$blocks = preg_split( '/("(?:(?:[^"]|"")*)"|\'(?:(?:[^\']|\'\')*)\')/im', $sqlWhere, - 1, PREG_SPLIT_DELIM_CAPTURE );
$sqlWhere = '';
for ($r = 0; $r < sizeof( $blocks ); $r ++) {
if (($r % 2) === 0) {
$blocks[$r] = str_replace( '=', '==', $blocks[$r] );
$blocks[$r] = str_replace( '<>', '!=', $blocks[$r] );
$blocks[$r] = str_replace( 'AND', '&&', $blocks[$r] );
$blocks[$r] = str_replace( 'and', '&&', $blocks[$r] );
$blocks[$r] = str_replace( 'OR', '||', $blocks[$r] );
$blocks[$r] = str_replace( 'or', '||', $blocks[$r] );
$blocks[$r] = str_replace( 'NOT', '!', $blocks[$r] );
$blocks[$r] = str_replace( 'not', '!', $blocks[$r] );
$blocks[$r] = preg_replace( '/\b[a-zA-Z_][\w\.]*\b/im', '$res[$r][\'$0\']', $blocks[$r] );
$blocks[$r] = preg_replace( '/\$res\[\$r\]\[\'(like)\'\]/im', '$1', $blocks[$r] );
}
$sqlWhere .= $blocks[$r];
}
/* End Block */
$sqlWhere = preg_replace_callback( '/(.+)\s+like\s+("(?:(?:[^"]|"")*)"|\'(?:(?:[^\']|\'\')*)\')/im', array ('XMLConnection','sqlWhereLike'
), $sqlWhere );
$sqlWhere = preg_replace_callback( '/"(?:(?:[^"]|"")*)"|\'(?:(?:[^\']|\'\')*)\'/im', array ('XMLConnection','sqlString'
), $sqlWhere );
/*Start Block: Removing fields */
$xmlFrom = '/' . str_replace( '.', '/', $sqlFrom );
$node = & $this->xmldoc->findNode( $xmlFrom );
if (! isset( $node )) {
$err = new DB_Error( "$xmlFrom node not found!." );
return $err;
} else {
$res = $this->fetchChildren( $node );
}
$newRes = array ();
for ($r = 0; $r < sizeof( $res ); $r ++) {
$evalWhere = false;
@eval( '$evalWhere = ' . $sqlWhere . ';' );
if ($evalWhere) {
unset( $node->children[$r] );
$newRes[] = $res[$r];
}
}
//Re-index
$node->children = array_values( $node->children );
/* End Block */
$this->xmldoc->save( $this->xmlFile );
$result = new XMLResult( $newRes );
return $result;
} elseif (1 === preg_match( '/^\s*INSERT\s+INTO\s+`?([^`]+?)`?\s*\(([\w\W]+?)\)\s+VALUES\s*\(([\w\W]+?)\)\s*$/im', $sql, $matches )) {
$sqlFrom = isset( $matches[1] ) ? $matches[1] : '';
$sqlColumns = isset( $matches[2] ) ? $matches[2] : '1';
$sqlValues = isset( $matches[3] ) ? $matches[3] : '1';
$xmlFrom = '/' . str_replace( '.', '/', $sqlFrom );
$node = & $this->xmldoc->findNode( $xmlFrom );
/* Start Block: Fields list */
$count = preg_match_all( '/([\w\.]+)/im', $sqlColumns, $match, PREG_PATTERN_ORDER | PREG_OFFSET_CAPTURE );
$fieldsList = array ();
for ($r = 0; $r < $count; $r ++) {
$fieldsList[] = $match[1][$r][0];
}
/* End Block */
/* Start Block: Fields Values */
$count = preg_match_all( '/("(?:(?:[^"]|"")*)"|\'(?:(?:[^\']|\'\')*)\'|\d+)/im', $sqlValues, $match, PREG_PATTERN_ORDER | PREG_OFFSET_CAPTURE );
$fieldsValues = array ();
for ($r = 0; $r < $count; $r ++) {
if (substr( $match[1][$r][0], 0, 1 ) === '"') {
$match[1][$r][0] = substr( $match[1][$r][0], 1, - 1 );
$match[1][$r][0] = str_replace( '""', '"', $match[1][$r][0] );
$match[1][$r][0] = str_replace( "''", "'", $match[1][$r][0] );
}
if (substr( $match[1][$r][0], 0, 1 ) === "'") {
$match[1][$r][0] = substr( $match[1][$r][0], 1, - 1 );
$match[1][$r][0] = str_replace( "''", "'", $match[1][$r][0] );
$match[1][$r][0] = str_replace( '""', '"', $match[1][$r][0] );
}
$fieldsValues[$fieldsList[$r]] = $match[1][$r][0];
}
/* End Block */
$AAA = getNames( $this->xmldoc->children[0]->children );
$this->insertRow( $node, $fieldsValues );
$DDD = getNames( $this->xmldoc->children[0]->children );
$this->xmldoc->save( $this->xmlFile );
$result = new XMLResult( array ($fieldsValues
) );
return $result;
} elseif (1 === preg_match( '/^\s*UPDATE\s+`?([^`]+?)`?\s+SET\s+((?:(?:[a-z][\w\.]*)\s*=\s*(?:"(?:(?:[^"]|"")*)"|\'(?:(?:[^\']|\'\')*)\'|\d+)\s*(?:,\s*)?)+)(?:\s+WHERE\s+([\w\W]+?))?\s*$/im', $sql, $matches )) {
$sqlFrom = isset( $matches[1] ) ? $matches[1] : '';
$sqlColumns = isset( $matches[2] ) ? $matches[2] : '';
$sqlWhere = isset( $matches[3] ) ? $matches[3] : '1';
$count = preg_match_all( '/([a-z][\w\.]*)\s*=\s*("(?:(?:[^"]|"")*)"|\'(?:(?:[^\']|\'\')*)\'|\d+)/im', $sqlColumns, $match, PREG_PATTERN_ORDER | PREG_OFFSET_CAPTURE );
$fieldsValues = array ();
for ($r = 0; $r < $count; $r ++) {
if (substr( $match[2][$r][0], 0, 1 ) === '"') {
$match[2][$r][0] = substr( $match[2][$r][0], 1, - 1 );
$match[2][$r][0] = str_replace( '""', '"', $match[2][$r][0] );
$match[2][$r][0] = str_replace( "''", "'", $match[2][$r][0] );
}
if (substr( $match[2][$r][0], 0, 1 ) === "'") {
$match[2][$r][0] = substr( $match[2][$r][0], 1, - 1 );
$match[2][$r][0] = str_replace( "''", "'", $match[2][$r][0] );
$match[2][$r][0] = str_replace( '""', '"', $match[2][$r][0] );
}
$fieldsValues[$match[1][$r][0]] = $match[2][$r][0];
}
/* Start Block: WHERE*/
/*Start Block: Replace the operator */
$blocks = preg_split( '/("(?:(?:[^"]|"")*)"|\'(?:(?:[^\']|\'\')*)\')/im', $sqlWhere, - 1, PREG_SPLIT_DELIM_CAPTURE );
$sqlWhere = '';
for ($r = 0; $r < sizeof( $blocks ); $r ++) {
if (($r % 2) === 0) {
$blocks[$r] = str_replace( '=', '==', $blocks[$r] );
$blocks[$r] = str_replace( '<>', '!=', $blocks[$r] );
$blocks[$r] = str_replace( 'AND', '&&', $blocks[$r] );
$blocks[$r] = str_replace( 'and', '&&', $blocks[$r] );
$blocks[$r] = str_replace( 'OR', '||', $blocks[$r] );
$blocks[$r] = str_replace( 'or', '||', $blocks[$r] );
$blocks[$r] = str_replace( 'NOT', '!', $blocks[$r] );
$blocks[$r] = str_replace( 'not', '!', $blocks[$r] );
$blocks[$r] = preg_replace( '/\b[a-zA-Z_][\w\.]*\b/im', '$res[$r][\'$0\']', $blocks[$r] );
$blocks[$r] = preg_replace( '/\$res\[\$r\]\[\'(like)\'\]/im', '$1', $blocks[$r] );
}
$sqlWhere .= $blocks[$r];
}
/* End Block */
$sqlWhere = preg_replace_callback( '/(.+)\s+like\s+("(?:(?:[^"]|"")*)"|\'(?:(?:[^\']|\'\')*)\')/im', array ('XMLConnection','sqlWhereLike'
), $sqlWhere );
$sqlWhere = preg_replace_callback( '/"(?:(?:[^"]|"")*)"|\'(?:(?:[^\']|\'\')*)\'/im', array ('XMLConnection','sqlString'
), $sqlWhere );
/*Start Block: Removing fields */
$xmlFrom = '/' . str_replace( '.', '/', $sqlFrom );
$node = & $this->xmldoc->findNode( $xmlFrom );
if (! isset( $node )) {
$err = new DB_Error( "$xmlFrom node not found in $dsn." );
return $err;
} else {
$res = $this->fetchChildren( $node );
}
$newRes = array ();
for ($r = 0; $r < sizeof( $res ); $r ++) {
$evalWhere = false;
@eval( '$evalWhere = ' . $sqlWhere . ';' );
if ($evalWhere) {
$this->updateRow( $node->children[$r], $fieldsValues );
$newRes[] = array_merge( $res[$r], $fieldsValues );
}
}
/* End Block */
$nodeTEST = & $this->xmldoc->findNode( $xmlFrom );
$this->xmldoc->save( $this->xmlFile );
$result = new XMLResult( $newRes );
return $result;
} else {
echo ($sql);
$err = new DB_Error( "SQL Query is not well formed." );
return $err;
}
}
/**
* sqlLike
*
* @param string $a
* @return void $b
*/
public function sqlLike ($a, $b)
{
$b = addcslashes( $b, '[]()\/{}.?' );
$b = str_replace( "%", '.*', $b );
$b = '/^' . $b . '$/im';
return preg_match( $b, $a );
}
/**
* expandFields
*
* @param string $resRow
* @param string $fieldsList
* @return array $res
*/
public function expandFields ($resRow, $fieldsList)
{
$res = array ();
foreach ($fieldsList as $key => $value) {
if ($key === '*') {
foreach ($resRow as $k => $v) {
$res[$k] = $v;
}
} else {
$res[$key] = array_key_exists( $value, $resRow ) ? $resRow[$value] : null;
}
}
return $res;
}
/**
* fetchNode
*
* @param object &$node
* @return array $res
*/
public function fetchNode (&$node)
{
$res = array ('XMLNODE_NAME' => $node->name,'XMLNODE_TYPE' => $node->type,'XMLNODE_VALUE' => $node->value
);
foreach ($node->attributes as $name => $value) {
if ($this->caseFolding) {
$name = strtoupper( $name );
}
$res[$name] = $value;
}
return $res;
}
/**
* fetchChildren
*
* @param string &$node
* @return array $res
*/
public function fetchChildren (&$node)
{
$res = array ();
foreach ($node->children as $name => $child) {
$res[] = $this->fetchNode( $child );
}
return $res;
}
/**
* disconnect
*
* @return void
*/
public function disconnect ()
{
unset( $this->xmldoc );
}
/**
*
* @param array $match
* @return object(DB_Error) $err
*/
public function sqlWhereLike ($match)
{
switch (substr( $match[2], 0, 1 )) {
case '"':
return ' $this->sqlLike( ' . $match[1] . ', ' . $match[2] . ' ) ';
break;
case "'":
return ' $this->sqlLike( ' . $match[1] . ', ' . $match[2] . ' ) ';
break;
default:
$err = new DB_Error( "XMLDB: Syntax error on $match[0]" );
die();
return $err;
}
}
/**
* sqlString
*
* @param array $match
* @return object(DB_Error) $err
*/
public function sqlString ($match)
{
switch (substr( $match[0], 0, 1 )) {
case '"':
$match[0] = substr( $match[0], 1, - 1 );
$match[0] = str_replace( '""', '"', $match[0] );
$match[0] = str_replace( "''", "'", $match[0] );
$match[0] = addcslashes( $match[0], '\\\'' );
return "'$match[0]'";
break;
case "'":
$match[0] = substr( $match[0], 1, - 1 );
$match[0] = str_replace( "''", "'", $match[0] );
$match[0] = str_replace( '""', '"', $match[0] );
$match[0] = addcslashes( $match[0], '\\\'' );
return "'$match[0]'";
break;
default:
$err = new DB_Error( "XMLDB: Syntax error on $match[0]" );
die();
return $err;
}
}
/**
* insertRow
*
* @param string &$node
* @param object $values
* @return void
*/
public function insertRow (&$node, $values)
{
$attributes = array ();
foreach ($values as $field => $value) {
switch ($field) {
case 'XMLNODE_NAME':
case 'XMLNODE_TYPE':
case 'XMLNODE_VALUE':
break;
default:
$attributes[strtolower( $field )] = $value;
}
}
$values['XMLNODE_NAME'] = ! isset( $values['XMLNODE_NAME'] ) ? '' : $values['XMLNODE_NAME'];
$values['XMLNODE_TYPE'] = ! isset( $values['XMLNODE_TYPE'] ) ? 'open' : $values['XMLNODE_TYPE'];
$values['XMLNODE_VALUE'] = ! isset( $values['XMLNODE_VALUE'] ) ? '' : $values['XMLNODE_VALUE'];
$node->addChildNode( new Xml_Node( $values['XMLNODE_NAME'], $values['XMLNODE_TYPE'], $values['XMLNODE_VALUE'], $attributes ) );
}
/**
* updateRow
*
* @param string &$node
* @param object $values
* @return void
*/
public function updateRow (&$node, $values)
{
foreach ($values as $field => $value) {
switch ($field) {
case 'XMLNODE_NAME':
$node->name = $value;
break;
case 'XMLNODE_TYPE':
$node->type = $value;
break;
case 'XMLNODE_VALUE':
$node->value = $value;
break;
default:
$node->attributes[strtolower( $field )] = $value;
}
}
}
}
/**
* XMLResult
*
* ProcessMaker Open Source Edition
*
* @copyright (C) 2004 - 2008 Colosa Inc.23
* @package workflow.engine.ProcessMaker
*
*/
class XMLResult
{
var $result = array ();
var $cursor = 0;
/**
* XMLResult
*
* @param array $result
* @return void
*/
public function XMLResult ($result = array())
{
$this->result = $result;
$this->cursor = 0;
}
/**
* numRows
*
* @return integer sizeof($this->result)
*/
public function numRows ()
{
return sizeof( $this->result );
}
/**
* fetchRow
*
* @param string $const
* @return integer $this->result[ $this->cursor-1 ];
*/
public function fetchRow ($const)
{
if ($this->cursor >= $this->numRows()) {
return null;
}
$this->cursor ++;
return $this->result[$this->cursor - 1];
}
}
/**
* getNames
*
* @param object $children
* @return array $names
*/
function getNames ($children)
{
$names = array ();
$r = 0;
foreach ($children as $child) {
$names[$r] = $child->name;
$r ++;
}
return $names;
}
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