File ManagerCurrent Directory: wp-content/plugins/wpforms/vendor_prefixed/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchemaLinux appserver-0d5e4f1e-php-cc8da225320a42ba9b7d66cba40b1f03 6.6.123+ #1 SMP PREEMPT_DYNAMIC Wed Mar 11 09:04:28 UTC 2026 x86_64Edit File: Validator.php <?php namespace WPForms\Vendor; /** * Performs validations on HTMLPurifier_ConfigSchema_Interchange * * @note If you see '// handled by InterchangeBuilder', that means a * design decision in that class would prevent this validation from * ever being necessary. We have them anyway, however, for * redundancy. */ class HTMLPurifier_ConfigSchema_Validator { /** * @type HTMLPurifier_ConfigSchema_Interchange */ protected $interchange; /** * @type array */ protected $aliases; /** * Context-stack to provide easy to read error messages. * @type array */ protected $context = array(); /** * to test default's type. * @type HTMLPurifier_VarParser */ protected $parser; public function __construct() { $this->parser = new HTMLPurifier_VarParser(); } /** * Validates a fully-formed interchange object. * @param HTMLPurifier_ConfigSchema_Interchange $interchange * @return bool */ public function validate($interchange) { $this->interchange = $interchange; $this->aliases = array(); // PHP is a bit lax with integer <=> string conversions in // arrays, so we don't use the identical !== comparison foreach ($interchange->directives as $i => $directive) { $id = $directive->id->toString(); if ($i != $id) { $this->error(\false, "Integrity violation: key '{$i}' does not match internal id '{$id}'"); } $this->validateDirective($directive); } return \true; } /** * Validates a HTMLPurifier_ConfigSchema_Interchange_Id object. * @param HTMLPurifier_ConfigSchema_Interchange_Id $id */ public function validateId($id) { $id_string = $id->toString(); $this->context[] = "id '{$id_string}'"; if (!$id instanceof HTMLPurifier_ConfigSchema_Interchange_Id) { // handled by InterchangeBuilder $this->error(\false, 'is not an instance of HTMLPurifier_ConfigSchema_Interchange_Id'); } // keys are now unconstrained (we might want to narrow down to A-Za-z0-9.) // we probably should check that it has at least one namespace $this->with($id, 'key')->assertNotEmpty()->assertIsString(); // implicit assertIsString handled by InterchangeBuilder \array_pop($this->context); } /** * Validates a HTMLPurifier_ConfigSchema_Interchange_Directive object. * @param HTMLPurifier_ConfigSchema_Interchange_Directive $d */ public function validateDirective($d) { $id = $d->id->toString(); $this->context[] = "directive '{$id}'"; $this->validateId($d->id); $this->with($d, 'description')->assertNotEmpty(); // BEGIN - handled by InterchangeBuilder $this->with($d, 'type')->assertNotEmpty(); $this->with($d, 'typeAllowsNull')->assertIsBool(); try { // This also tests validity of $d->type $this->parser->parse($d->default, $d->type, $d->typeAllowsNull); } catch (HTMLPurifier_VarParserException $e) { $this->error('default', 'had error: ' . $e->getMessage()); } // END - handled by InterchangeBuilder if (!\is_null($d->allowed) || !empty($d->valueAliases)) { // allowed and valueAliases require that we be dealing with // strings, so check for that early. $d_int = HTMLPurifier_VarParser::$types[$d->type]; if (!isset(HTMLPurifier_VarParser::$stringTypes[$d_int])) { $this->error('type', 'must be a string type when used with allowed or value aliases'); } } $this->validateDirectiveAllowed($d); $this->validateDirectiveValueAliases($d); $this->validateDirectiveAliases($d); \array_pop($this->context); } /** * Extra validation if $allowed member variable of * HTMLPurifier_ConfigSchema_Interchange_Directive is defined. * @param HTMLPurifier_ConfigSchema_Interchange_Directive $d */ public function validateDirectiveAllowed($d) { if (\is_null($d->allowed)) { return; } $this->with($d, 'allowed')->assertNotEmpty()->assertIsLookup(); // handled by InterchangeBuilder if (\is_string($d->default) && !isset($d->allowed[$d->default])) { $this->error('default', 'must be an allowed value'); } $this->context[] = 'allowed'; foreach ($d->allowed as $val => $x) { if (!\is_string($val)) { $this->error("value {$val}", 'must be a string'); } } \array_pop($this->context); } /** * Extra validation if $valueAliases member variable of * HTMLPurifier_ConfigSchema_Interchange_Directive is defined. * @param HTMLPurifier_ConfigSchema_Interchange_Directive $d */ public function validateDirectiveValueAliases($d) { if (\is_null($d->valueAliases)) { return; } $this->with($d, 'valueAliases')->assertIsArray(); // handled by InterchangeBuilder $this->context[] = 'valueAliases'; foreach ($d->valueAliases as $alias => $real) { if (!\is_string($alias)) { $this->error("alias {$alias}", 'must be a string'); } if (!\is_string($real)) { $this->error("alias target {$real} from alias '{$alias}'", 'must be a string'); } if ($alias === $real) { $this->error("alias '{$alias}'", "must not be an alias to itself"); } } if (!\is_null($d->allowed)) { foreach ($d->valueAliases as $alias => $real) { if (isset($d->allowed[$alias])) { $this->error("alias '{$alias}'", 'must not be an allowed value'); } elseif (!isset($d->allowed[$real])) { $this->error("alias '{$alias}'", 'must be an alias to an allowed value'); } } } \array_pop($this->context); } /** * Extra validation if $aliases member variable of * HTMLPurifier_ConfigSchema_Interchange_Directive is defined. * @param HTMLPurifier_ConfigSchema_Interchange_Directive $d */ public function validateDirectiveAliases($d) { $this->with($d, 'aliases')->assertIsArray(); // handled by InterchangeBuilder $this->context[] = 'aliases'; foreach ($d->aliases as $alias) { $this->validateId($alias); $s = $alias->toString(); if (isset($this->interchange->directives[$s])) { $this->error("alias '{$s}'", 'collides with another directive'); } if (isset($this->aliases[$s])) { $other_directive = $this->aliases[$s]; $this->error("alias '{$s}'", "collides with alias for directive '{$other_directive}'"); } $this->aliases[$s] = $d->id->toString(); } \array_pop($this->context); } // protected helper functions /** * Convenience function for generating HTMLPurifier_ConfigSchema_ValidatorAtom * for validating simple member variables of objects. * @param $obj * @param $member * @return HTMLPurifier_ConfigSchema_ValidatorAtom */ protected function with($obj, $member) { return new HTMLPurifier_ConfigSchema_ValidatorAtom($this->getFormattedContext(), $obj, $member); } /** * Emits an error, providing helpful context. * @throws HTMLPurifier_ConfigSchema_Exception */ protected function error($target, $msg) { if ($target !== \false) { $prefix = \ucfirst($target) . ' in ' . $this->getFormattedContext(); } else { $prefix = \ucfirst($this->getFormattedContext()); } throw new HTMLPurifier_ConfigSchema_Exception(\trim($prefix . ' ' . $msg)); } /** * Returns a formatted context string. * @return string */ protected function getFormattedContext() { return \implode(' in ', \array_reverse($this->context)); } } // vim: et sw=4 sts=4 Upload File Directory Listing NameTypeSizeActions.. (Parent Directory)DirBuilderDirectory Rename | DeleteException.phpFile187.00 B Rename | Delete | EditInterchangeDirectory Rename | DeleteInterchange.phpFile1.28 KB Rename | Delete | EditInterchangeBuilder.phpFile6.91 KB Rename | Delete | EditValidator.phpFile8.14 KB Rename | Delete | EditValidatorAtom.phpFile2.81 KB Rename | Delete | Editschema.serFile23.74 KB Rename | Delete | Edit