ezsql/shared/ezQuery.php at v3 · ezSQL/ezsql · GitHub

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<?php

use ezsql\ezSchema;

use ezsql\ezQueryInterface;

class ezQuery implements ezQueryInterface

{

protected $select_result = true;

protected $prepareActive = false;

private $fromTable = null;

private $isWhere = true;

private $isInto = false;

public function __construct()

{

}

public static function clean($string)

{

$patterns = array( // strip out:

'@<script[^>]*?>.*?</script>@si', // Strip out javascript

'@<[\/\!]*?[^<>]*?>@si', // HTML tags

'@<style[^>]*?>.*?</style>@siU', // Strip style tags properly

'@<![\s\S]*?--[ \t\n\r]*>@' // Strip multi-line comments

);

$string = \preg_replace($patterns, '', $string);

$string = \trim($string);

$string = \stripslashes($string);

return \htmlentities($string);

}

/**

* Creates self signed certificate

* @param string $privatekeyFile

* @param string $certificateFile

* @param string $signingFile

* // param string $caCertificate

* @param string $ssl_path

* @param array $details - certificate details

* Example:

* array $details = [

* "countryName" => '',

* "stateOrProvinceName" => '',

* "localityName" => '',

* "organizationName" => '',

* "organizationalUnitName" => '',

* "commonName" => '',

* "emailAddress" => ''

* ];

* @return string certificate path

public static function createCertificate(

string $privatekeyFile = 'certificate.key',

string $certificateFile = 'certificate.crt',

string $signingFile = 'certificate.csr',

// string $caCertificate = null,

string $ssl_path = null,

array $details = ["commonName" => "localhost"]

)

{

if (empty($ssl_path)) {

$ssl_path = \getcwd();

$ssl_path = \preg_replace('/\\\/', \_DS, $ssl_path). \_DS;

} else

$ssl_path = $ssl_path. \_DS;

$opensslConfig = array("config" => $ssl_path.'openssl.cnf');

// Generate a new private (and public) key pair

$privatekey = \openssl_pkey_new($opensslConfig);

// Generate a certificate signing request

$csr = \openssl_csr_new($details, $privatekey, $opensslConfig);

// Create a self-signed certificate valid for 365 days

$sslcert = \openssl_csr_sign($csr, null, $privatekey, 365, $opensslConfig);

// Create key file. Note no passphrase

\openssl_pkey_export_to_file($privatekey, $ssl_path.$privatekeyFile, null, $opensslConfig);

// Create server certificate

\openssl_x509_export_to_file($sslcert, $ssl_path.$certificateFile, false);

// Create a signing request file

\openssl_csr_export_to_file($csr, $ssl_path.$signingFile);

return $ssl_path;

}

/**

* Return status of prepare function availability in shortcut method calls

protected function isPrepareActive()

{

return $this->prepareActive;

}

/**

* Returns array of parameter values for prepare function

* @return array

protected function prepareValues()

{

return $this->preparedValues;

}

/**

* Add values to array variable for prepare function.

* @param mixed $value

* @return int array count

protected function addPrepare($value = null)

{

return \array_push($this->preparedValues, $value);

}

/**

* Clear out prepare parameter values

* @return bool false

protected function clearPrepare()

{

$this->preparedValues = array();

return false;

}

public function setPrepare($on = true)

{

$this->prepareActive = ($on) ? true : false;

}

public function prepareActive()

{

$this->prepareActive = true;

}

public function prepareInActive()

{

$this->prepareActive = $this->clearPrepare();

}

/**

* Convert array to string, and attach '`, `' for separation, if none is provided.

* @return string

public static function to_string($arrays, $separation = ',')

{

if (\is_array( $arrays )) {

$columns = '';

foreach($arrays as $val) {

$columns .= $val.$separation.' ';

}

$columns = \rtrim($columns, $separation.' ');

} else

$columns = $arrays;

return $columns;

}

public function groupBy($groupBy)

{

if (empty($groupBy)) {

return false;

}

$columns = $this->to_string($groupBy);

return 'GROUP BY ' .$columns;

}

public function having(...$having)

{

$this->isWhere = false;

return $this->where( ...$having);

}

public function innerJoin(

string $leftTable = null,

string $rightTable = null,

string $leftColumn = null, string $rightColumn = null, $condition = \EQ)

{

return $this->joining(

'INNER', $leftTable, $rightTable, $leftColumn, $rightColumn, $condition);

}

public function leftJoin(

string $leftTable = null,

string $rightTable = null,

string $leftColumn = null, string $rightColumn = null, $condition = \EQ)

{

return $this->joining(

'LEFT', $leftTable, $rightTable, $leftColumn, $rightColumn, $condition);

}

public function rightJoin(

string $leftTable = null,

string $rightTable = null,

string $leftColumn = null, string $rightColumn = null, $condition = \EQ)

{

return $this->joining(

'RIGHT', $leftTable, $rightTable, $leftColumn, $rightColumn, $condition);

}

public function fullJoin(

string $leftTable = null,

string $rightTable = null,

string $leftColumn = null, string $rightColumn = null, $condition = \EQ)

{

return $this->joining(

'FULL', $leftTable, $rightTable, $$leftColumn, $rightColumn, $condition);

}

/**

* For multiple select joins, combine rows from tables where `on` condition is met

* - Will perform an equal on tables by left column key,

* left column key and left table, left column key and right table,

* if `rightColumn` is null.

* - Will perform an equal on tables by,

* left column key and left table, right column key and right table,

* if `rightColumn` not null, and `$condition` not changed.

* - Will perform the `condition` on passed in arguments, for left column, and right column.

* if `$condition`, is in the array

* @param string $type - Either `INNER`, `LEFT`, `RIGHT`, `FULL`

* @param string $leftTable -

* @param string $rightTable -

* @param string $leftColumn -

* @param string $rightColumn -

* @param string $condition -

* @return bool|string JOIN sql statement, false for error

private function joining(

String $type = \_INNER,

string $leftTable = null,

string $rightTable = null,

string $leftColumn = null, string $rightColumn = null, $condition = \EQ)

{

if (!\in_array($type, \_JOINERS)

|| !\in_array($condition, \_BOOLEAN)

|| empty($leftTable)

|| empty($rightTable) || empty($columnFields) || empty($leftColumn)

) {

return false;

}

if (\is_string($leftColumn) && empty($rightColumn))

$onCondition = ' ON '.$leftTable.$leftColumn.' = '.$rightTable.$leftColumn;

elseif ($condition !== \EQ)

$onCondition = ' ON '.$leftTable.$leftColumn." $condition ".$rightTable.$rightColumn;

else

$onCondition = ' ON '.$leftTable.$leftColumn.' = '.$rightTable.$rightColumn;

return ' '.$type.' JOIN '.$rightTable.$onCondition;

}

public function orderBy($orderBy, $order)

{

if (empty($orderBy)) {

return false;

}

$columns = $this->to_string($orderBy);

$order = (\in_array(\strtoupper($order), array( 'ASC', 'DESC'))) ? \strtoupper($order) : 'ASC';

return 'ORDER BY '.$columns.' '. $order;

}

public function limit($numberOf, $offset = null)

{

if (empty($numberOf)) {

return false;

}

$rows = (int) $numberOf;

$value = !empty($offset) ? ' OFFSET '.(int) $offset : '';

return 'LIMIT '.$rows.$value;

}

public function where( ...$whereKeyArray)

{

if (empty($whereKeyArray))

return false;

$whereOrHaving = ($this->isWhere) ? 'WHERE' : 'HAVING';

$this->isWhere = true;

if (\is_string($whereKeyArray[0])) {

if ((\strpos($whereKeyArray[0], 'WHERE') !== false)

|| (\strpos($whereKeyArray[0], 'HAVING') !== false)

)

return $whereKeyArray[0];

foreach ($whereKeyArray as $makeArray)

$whereKeys[] = \explode(' ', $makeArray);

} else

$whereKeys = $whereKeyArray;

foreach ($whereKeys as $values) {

$operator[] = (isset($values[1])) ? $values[1]: '';

if (!empty($values[1])){

if (\strtoupper($values[1]) == 'IN') {

$whereKey[ $values[0] ] = \array_slice((array) $values, 2);

$combiner[] = (isset($values[3])) ? $values[3]: \_AND;

$extra[] = (isset($values[4])) ? $values[4]: null;

} else {

$whereKey[ (isset($values[0])) ? $values[0] : '1' ] = (isset($values[2])) ? $values[2] : '' ;

$combiner[] = (isset($values[3])) ? $values[3]: \_AND;

$extra[] = (isset($values[4])) ? $values[4]: null;

}

} else {

return $this->clearPrepare();

}

$where = '1';

if (! isset($whereKey['1'])) {

$where = '';

$i = 0;

foreach($whereKey as $key => $val) {

$isCondition = \strtoupper($operator[$i]);

$combine = $combiner[$i];

if ( \in_array(\strtoupper($combine), \_COMBINERS) || isset($extra[$i]))

$combineWith = (isset($extra[$i])) ? $combine : \strtoupper($combine);

else

$combineWith = \_AND;

if (! \in_array( $isCondition, \_BOOLEAN_OPERATORS)) {

return $this->clearPrepare();

} else {

if (($isCondition == \_BETWEEN) || ($isCondition == \_notBETWEEN)) {

$value = $this->escape($combineWith);

if (\in_array(\strtoupper($extra[$i]), \_COMBINERS))

$myCombineWith = \strtoupper($extra[$i]);

else

$myCombineWith = \_AND;

if ($this->isPrepareActive()) {

$where .= "$key ".$isCondition.' '.\_TAG." AND ".\_TAG." $myCombineWith ";

$this->addPrepare($val);

$this->addPrepare($combineWith);

} else

$where .= "$key ".$isCondition." '".$this->escape($val)."' AND '".$value."' $myCombineWith ";

$combineWith = $myCombineWith;

} elseif ($isCondition == \_IN) {

$value = '';

foreach ($val as $inValues) {

if ($this->isPrepareActive()) {

$value .= \_TAG.', ';

$this->addPrepare($inValues);

} else

$value .= "'".$this->escape($inValues)."', ";

}

$where .= "$key ".$isCondition." ( ".\rtrim($value, ', ')." ) $combineWith ";

} elseif (((\strtolower($val) == 'null') || ($isCondition == 'IS') || ($isCondition == 'IS NOT'))) {

$isCondition = (($isCondition == 'IS') || ($isCondition == 'IS NOT')) ? $isCondition : 'IS';

$where .= "$key ".$isCondition." NULL $combineWith ";

} elseif ((($isCondition == \_LIKE) || ($isCondition == \_notLIKE)) && ! \preg_match('/[_%?]/', $val)) {

return $this->clearPrepare();

} else {

if ($this->isPrepareActive()) {

$where .= "$key ".$isCondition.' '.\_TAG." $combineWith ";

$this->addPrepare($val);

} else

$where .= "$key ".$isCondition." '".$this->escape($val)."' $combineWith ";

}

$i++;

}

$where = \rtrim($where, " $combineWith ");

}

if (($this->isPrepareActive()) && !empty($this->prepareValues()) && ($where != '1'))

return " $whereOrHaving ".$where.' ';

return ($where != '1') ? " $whereOrHaving ".$where.' ' : ' ' ;

}

public function selecting($table ='', $columnFields = '*', ...$conditions)

{

$getFromTable = $this->fromTable;

$getSelect_result = $this->select_result;

$getIsInto = $this->isInto;

$this->fromTable = null;

$this->select_result = true;

$this->isInto = false;

$skipWhere = false;

$whereKeys = $conditions;

$where = '';

if (empty($table)) {

return $this->clearPrepare();

}

$columns = $this->to_string($columnFields);

if (isset($getFromTable) && ! $getIsInto)

$sql="CREATE TABLE $table AS SELECT $columns FROM ".$getFromTable;

elseif (isset($getFromTable) && $getIsInto)

$sql="SELECT $columns INTO $table FROM ".$getFromTable;

else

$sql="SELECT $columns FROM ".$table;

if (!empty($conditions)) {

if (\is_string($conditions[0])) {

$args_by = '';

$joinSet = false;

$groupBySet = false;

$havingSet = false;

$orderBySet = false;

$limitSet = false;

$unionSet = false;

foreach ($conditions as $checkFor) {

if (\strpos($checkFor, 'JOIN') !== false ) {

$args_by .= $checkFor;

$joinSet = true;

} elseif (\strpos($checkFor, 'WHERE') !== false ) {

$args_by .= $checkFor;

$skipWhere = true;

} elseif (\strpos($checkFor, 'GROUP BY') !== false ) {

$args_by .= ' '.$checkFor;

$groupBySet = true;

} elseif (\strpos($checkFor, 'HAVING') !== false ) {

if ($groupBySet) {

$args_by .= ' '.$checkFor;

$havingSet = true;

} else {

return $this->clearPrepare();

}

} elseif (\strpos($checkFor, 'ORDER BY') !== false ) {

$args_by .= ' '.$checkFor;

$orderBySet = true;

} elseif (\strpos($checkFor, 'LIMIT') !== false ) {

$args_by .= ' '.$checkFor;

$limitSet = true;

} elseif (\strpos($checkFor, 'UNION') !== false ) {

$args_by .= ' '.$checkFor;

$unionSet = true;

}

if ($joinSet || $skipWhere || $groupBySet || $havingSet || $orderBySet || $limitSet || $unionSet) {

$where = $args_by;

$skipWhere = true;

}

} else {

$skipWhere = true;

}

if (! $skipWhere)

$where = $this->where( ...$whereKeys);

if (\is_string($where)) {

$sql .= $where;

if ($getSelect_result)

return (($this->isPrepareActive()) && !empty($this->prepareValues()))

? $this->get_results($sql, OBJECT, true)

: $this->get_results($sql);

return $sql;

}

return $this->clearPrepare();

}

/**

* Get SQL statement string from selecting method instead of executing get_result

* @return string

private function select_sql($table = '', $columnFields = '*', ...$conditions)

{

$this->select_result = false;

return $this->selecting($table, $columnFields, ...$conditions);

}

public function union($table = '', $columnFields = '*', ...$conditions)

{

return 'UNION '.$this->select_sql($table, $columnFields, ...$conditions);

}

public function unionAll($table = '', $columnFields = '*', ...$conditions)

{

return 'UNION ALL '.$this->select_sql($table, $columnFields, ...$conditions);

}

public function create_select($newTable, $fromColumns, $oldTable = null, ...$fromWhere)

{

if (isset($oldTable))

$this->fromTable = $oldTable;

else {

return $this->clearPrepare();

}

$newTableFromTable = $this->select_sql($newTable, $fromColumns, ...$fromWhere);

if (is_string($newTableFromTable))

return (($this->isPrepareActive()) && !empty($this->prepareValues()))

? $this->query($newTableFromTable, true)

: $this->query($newTableFromTable);

return $this->clearPrepare();

}

public function select_into($newTable, $fromColumns, $oldTable = null, ...$fromWhere)

{

$this->isInto = true;

if (isset($oldTable))

$this->fromTable = $oldTable;

else

return $this->clearPrepare();

$newTableFromTable = $this->select_sql($newTable, $fromColumns, ...$fromWhere);

if (is_string($newTableFromTable))

return (($this->isPrepareActive()) && !empty($this->prepareValues()))

? $this->query($newTableFromTable, true)

: $this->query($newTableFromTable);

return $this->clearPrepare();

}

public function update($table = '', $keyAndValue, ...$whereKeys)

{

if ( ! is_array( $keyAndValue ) || empty($table) ) {

return $this->clearPrepare();

}

$sql = "UPDATE $table SET ";

foreach($keyAndValue as $key => $val) {

if(\strtolower($val)=='null') {

$sql .= "$key = NULL, ";

} elseif(\in_array(\strtolower($val), array( 'current_timestamp()', 'date()', 'now()' ))) {

$sql .= "$key = CURRENT_TIMESTAMP(), ";

} else {

if ($this->isPrepareActive()) {

$sql .= "$key = ".\_TAG.", ";

$this->addPrepare($val);

} else

$sql .= "$key = '".$this->escape($val)."', ";

}

$where = $this->where(...$whereKeys);

if (\is_string($where)) {

$sql = \rtrim($sql, ', ') . $where;

return (($this->isPrepareActive()) && !empty($this->prepareValues()))

? $this->query($sql, true)

: $this->query($sql) ;

}

return $this->clearPrepare();

}

public function delete($table = '', ...$whereKeys)

{

if ( empty($table) ) {

return $this->clearPrepare();

}

$sql = "DELETE FROM $table";

$where = $this->where(...$whereKeys);

if (\is_string($where)) {

$sql .= $where;

return (($this->isPrepareActive()) && !empty($this->prepareValues()))

? $this->query($sql, true)

: $this->query($sql);

}

return $this->clearPrepare();

}

/**

* Helper does the actual insert or replace query with an array

* @return mixed bool/results - false for error

private function _query_insert_replace($table = '', $keyAndValue, $type = '', $execute = true)

{

if ((! \is_array($keyAndValue) && ($execute)) || empty($table)) {

return $this->clearPrepare();

}

if ( ! \in_array( strtoupper( $type ), array( 'REPLACE', 'INSERT' ))) {

return $this->clearPrepare();

}

$sql = "$type INTO $table";

$value = '';

$index = '';

if ($execute) {

foreach($keyAndValue as $key => $val) {

$index .= "$key, ";

if (\strtolower($val) == 'null')

$value .= "NULL, ";

elseif (\in_array(\strtolower($val), array( 'current_timestamp()', 'date()', 'now()' )))

$value .= "CURRENT_TIMESTAMP(), ";

else {

if ($this->isPrepareActive()) {

$value .= _TAG.", ";

$this->addPrepare($val);

} else

$value .= "'".$this->escape($val)."', ";

}

$sql .= "(". \rtrim($index, ', ') .") VALUES (". \rtrim($value, ', ') .");";

if (($this->isPrepareActive()) && !empty($this->prepareValues()))

$ok = $this->query($sql, true);

else

$ok = $this->query($sql);

if ($ok)

return $this->insert_id;

return $this->clearPrepare();

} else {

if (\is_array($keyAndValue)) {

if (\array_keys($keyAndValue) === \range(0, \count($keyAndValue) - 1)) {

foreach($keyAndValue as $key) {

$index .= "$key, ";

}

$sql .= " (". \rtrim($index, ', ') .") ";

} else {

return false;

}

return $sql;

}

public function replace($table = '', $keyAndValue)

{

return $this->_query_insert_replace($table, $keyAndValue, 'REPLACE');

}

public function insert($table = '', $keyAndValue)

{

return $this->_query_insert_replace($table, $keyAndValue, 'INSERT');

}

public function insert_select($toTable = '', $toColumns = '*', $fromTable = null, $fromColumns = '*', ...$fromWhere)

{

$putToTable = $this->_query_insert_replace($toTable, $toColumns, 'INSERT', false);

$getFromTable = $this->select_sql($fromTable, $fromColumns, ...$fromWhere);

if (\is_string($putToTable) && \is_string($getFromTable))

return (($this->isPrepareActive()) && !empty($this->prepareValues()))

? $this->query($putToTable." ".$getFromTable, true)

: $this->query($putToTable." ".$getFromTable) ;

return $this->clearPrepare();

}

/**

* Creates an database schema from array

* - column, datatype, value/options/key arguments.

* @return string|bool - SQL schema string, or false for error

private function create_schema(array ...$columnDataOptions)

{

if (empty($columnDataOptions))

return false;

$columnData = '';

foreach($columnDataOptions as $datatype) {

$column = \array_shift($datatype);

$type = \array_shift($datatype);

if (!empty($column) && !empty($type))

$columnData .= \column($column, $type, ...$datatype);

}

$schemaColumns = !empty($columnData) ? \rtrim($columnData, ', ') : null;

if (\is_string($schemaColumns))

return $schemaColumns;

return false;

}

public function create(string $table = null, ...$schemas)

{

$vendor = ezSchema::vendor();

if (empty($table) || empty($schemas) || empty($vendor))

return false;

$sql = 'CREATE TABLE '.$table.'( ';

$skipSchema = false;

if (\is_string($schemas[0])) {

$data = '';

$stringTypes = ezSchema::STRINGS['common'];

$stringTypes += ezSchema::STRINGS[$vendor];

$numericTypes = ezSchema::NUMERICS['common'];

$numericTypes += ezSchema::NUMERICS[$vendor];

$numberTypes = ezSchema::NUMBERS['common'];

$numberTypes += ezSchema::NUMBERS[$vendor];

$dateTimeTypes = ezSchema::DATE_TIME['common'];

$dateTimeTypes += ezSchema::DATE_TIME[$vendor];

$objectTypes = ezSchema::OBJECTS[$vendor];

$allowedTypes = ezSchema::OPTIONS;

$stringPattern = "/".\implode('|', $stringTypes)."/i";

$numericPattern = "/".\implode('|', $numericTypes)."/i";

$numberPattern = "/".\implode('|', $numberTypes)."/i";

$dateTimePattern = "/".\implode('|', $dateTimeTypes)."/i";

$objectPattern = "/".\implode('|', $objectTypes)."/i";

$patternOther = "/".\implode('|', $allowedTypes)."/i";

foreach($schemas as $types) {

if (\preg_match($stringPattern, $types)) {

$data .= $types;

$skipSchema = true;

} elseif (\preg_match($numericPattern, $types)) {

$data .= $types;

$skipSchema = true;

} elseif (\preg_match($numberPattern, $types)) {

$data .= $types;

$skipSchema = true;

} elseif (\preg_match($dateTimePattern, $types)) {

$data .= $types;

$skipSchema = true;

} elseif (\preg_match($objectPattern, $types)) {

$data .= $types;

$skipSchema = true;

} elseif (\preg_match($patternOther, $types)) {

$data .= $types;

$skipSchema = true;

}

$schema = $skipSchema ? \rtrim($data, ', ') : $data;

}

if (! $skipSchema) {

$schema = $this->create_schema( ...$schemas);

}

$createTable = !empty($schema) ? $sql.$schema.' );' : null;

if (\is_string($createTable))

return $this->query($createTable);

return false;

}

// todo not finish, not tested

public function alter(string $table = null, ...$schemas)

{

if (empty($table) || empty($schemas))

return false;

$sql = 'ALTER TABLE '.$table.' ';

$skipSchema = false;

if (\is_string($schemas[0])) {

$data = '';

$allowedTypes = ezSchema::ALTERS;

$pattern = "/".\implode('|', $allowedTypes)."/i";

foreach($schemas as $types) {

if (\preg_match($pattern, $types)) {

$data .= $types;

$skipSchema = true;

}

$schema = $skipSchema ? \rtrim($data, ', ') : $data;

}

if (! $skipSchema)

$schema = $this->create_schema( ...$schemas);

$alterTable = !empty($schema) ? $sql.$schema.';' : null;

if (\is_string($alterTable))

return $this->query($alterTable);

return false;

}

public function drop(string $table = null)

{

if (empty($table))

return false;

$drop = 'DROP TABLE '.$table.';';

return $this->query($drop);

}

ezsql/shared/ezQuery.php at v3 · ezSQL/ezsql · GitHub

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