diff --git a/NEWS b/NEWS index 7a1a06e9..524bbd4d 100644 --- a/NEWS +++ b/NEWS @@ -22,7 +22,7 @@ NEWS ( CHANGELOG and HISTORY ) HTMLPurifier maintenance/generate-schema-cache.php generates the schema.ser file, which is now instantiated. Support for userland schema changes coming soon! ! Extra utility classes for testing and non-library operations can - be found in extras/. Specifically, these are FSTools and ConfigSchema. + be found in extras/. Specifically, these are FSTools and ConfigDoc. You may find a use for these in your own project, but right now they are highly experimental and volatile. ! Integration with PHPT allows for automated smoketests diff --git a/library/HTMLPurifier.includes.php b/library/HTMLPurifier.includes.php index 87adc0ad..b8bf41f5 100644 --- a/library/HTMLPurifier.includes.php +++ b/library/HTMLPurifier.includes.php @@ -200,3 +200,4 @@ require 'HTMLPurifier/URIScheme/https.php'; require 'HTMLPurifier/URIScheme/mailto.php'; require 'HTMLPurifier/URIScheme/news.php'; require 'HTMLPurifier/URIScheme/nntp.php'; +require 'HTMLPurifier/VarParser/Flexible.php'; diff --git a/library/HTMLPurifier/Config.php b/library/HTMLPurifier/Config.php index c7424da4..49898263 100644 --- a/library/HTMLPurifier/Config.php +++ b/library/HTMLPurifier/Config.php @@ -75,7 +75,7 @@ class HTMLPurifier_Config public function __construct(&$definition) { $this->conf = $definition->defaults; // set up, copy in defaults $this->def = $definition; // keep a copy around for checking - $this->parser = new HTMLPurifier_VarParser(); + $this->parser = new HTMLPurifier_VarParser_Flexible(); } /** diff --git a/library/HTMLPurifier/ConfigSchema.php b/library/HTMLPurifier/ConfigSchema.php index 0c219e6b..1f30d93e 100644 --- a/library/HTMLPurifier/ConfigSchema.php +++ b/library/HTMLPurifier/ConfigSchema.php @@ -51,7 +51,7 @@ class HTMLPurifier_ConfigSchema { ); public function __construct() { - $this->parser = new HTMLPurifier_VarParser(); + $this->parser = new HTMLPurifier_VarParser_Flexible(); } /** diff --git a/library/HTMLPurifier/ConfigSchema/Interchange.php b/library/HTMLPurifier/ConfigSchema/Interchange.php index 57b0c9cd..9bf45871 100644 --- a/library/HTMLPurifier/ConfigSchema/Interchange.php +++ b/library/HTMLPurifier/ConfigSchema/Interchange.php @@ -8,23 +8,6 @@ class HTMLPurifier_ConfigSchema_Interchange { - /** - * Hash table of allowed types. - */ - public $types = array( - 'string' => 'String', - 'istring' => 'Case-insensitive string', - 'text' => 'Text', - 'itext' => 'Case-insensitive text', - 'int' => 'Integer', - 'float' => 'Float', - 'bool' => 'Boolean', - 'lookup' => 'Lookup array', - 'list' => 'Array list', - 'hash' => 'Associative array', - 'mixed' => 'Mixed' - ); - /** * Array of Namespace ID => array(namespace info) */ diff --git a/library/HTMLPurifier/ConfigSchema/Validator/ParseType.php b/library/HTMLPurifier/ConfigSchema/Validator/ParseType.php index dc0a4dab..f6bf58d7 100644 --- a/library/HTMLPurifier/ConfigSchema/Validator/ParseType.php +++ b/library/HTMLPurifier/ConfigSchema/Validator/ParseType.php @@ -8,7 +8,7 @@ class HTMLPurifier_ConfigSchema_Validator_ParseType extends HTMLPurifier_ConfigS public function validate(&$arr, $interchange) { $r = explode('/', $arr['TYPE'], 2); - if (!isset($interchange->types[$r[0]])) { + if (!isset(HTMLPurifier_VarParser::$types[$r[0]])) { $this->error('Invalid type ' . $r[0] . ' for configuration directive ' . $arr['ID']); } $arr['_TYPE'] = $r[0]; diff --git a/library/HTMLPurifier/ConfigSchema/schema.ser b/library/HTMLPurifier/ConfigSchema/schema.ser index 1eaeeea9..e027f34d 100644 --- a/library/HTMLPurifier/ConfigSchema/schema.ser +++ b/library/HTMLPurifier/ConfigSchema/schema.ser @@ -1 +1 @@ -O:25:"HTMLPurifier_ConfigSchema":5:{s:8:"defaults";a:11:{s:4:"Attr";a:11:{s:19:"AllowedFrameTargets";a:0:{}s:10:"AllowedRel";a:0:{}s:10:"AllowedRev";a:0:{}s:19:"DefaultInvalidImage";s:0:"";s:22:"DefaultInvalidImageAlt";s:13:"Invalid 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text";s:3:"int";s:7:"Integer";s:5:"float";s:5:"Float";s:4:"bool";s:7:"Boolean";s:6:"lookup";s:12:"Lookup array";s:4:"list";s:10:"Array list";s:4:"hash";s:17:"Associative array";s:5:"mixed";s:5:"Mixed";}} \ No newline at end of file diff --git a/library/HTMLPurifier/VarParser.php b/library/HTMLPurifier/VarParser.php index f0235560..1d07329a 100644 --- a/library/HTMLPurifier/VarParser.php +++ b/library/HTMLPurifier/VarParser.php @@ -4,13 +4,13 @@ * Parses string representations into their corresponding native PHP * variable type. */ -class HTMLPurifier_VarParser +abstract class HTMLPurifier_VarParser { /** * Lookup table of allowed types. */ - public $types = array( + static public $types = array( 'string' => true, 'istring' => true, 'text' => true, @@ -25,100 +25,15 @@ class HTMLPurifier_VarParser ); /** - * Validate a variable according to type. Throws exception if invalid. - * It may return NULL as a valid type. + * Validate a variable according to type. Throws + * HTMLPurifier_VarParserException if invalid. + * It may return NULL as a valid type if $allow_null is true. + * + * @param $var Variable to validate + * @param $type Type of variable, see HTMLPurifier_VarParser->types + * @param $allow_null Whether or not to permit null as a value + * @return Validated and type-coerced variable */ - public function parse($var, $type, $allow_null = false) { - if (!isset($this->types[$type])) { - throw new HTMLPurifier_VarParserException("Invalid type $type"); - } - if ($allow_null && $var === null) return null; - switch ($type) { - // Note: if code "breaks" from the switch, it triggers a generic - // exception to be thrown. Specific errors can be specifically - // done here. - case 'mixed': - //if (is_string($var)) $var = unserialize($var); - return $var; - case 'istring': - case 'string': - case 'text': // no difference, just is longer/multiple line string - case 'itext': - if (!is_string($var)) break; - if ($type === 'istring' || $type === 'itext') $var = strtolower($var); - return $var; - case 'int': - if (is_string($var) && ctype_digit($var)) $var = (int) $var; - elseif (!is_int($var)) break; - return $var; - case 'float': - if (is_string($var) && is_numeric($var)) $var = (float) $var; - elseif (!is_float($var)) break; - return $var; - case 'bool': - if (is_int($var) && ($var === 0 || $var === 1)) { - $var = (bool) $var; - } elseif (is_string($var)) { - if ($var == 'on' || $var == 'true' || $var == '1') { - $var = true; - } elseif ($var == 'off' || $var == 'false' || $var == '0') { - $var = false; - } else { - throw new HTMLPurifier_VarParserException("Unrecognized value '$var' for $type"); - } - } elseif (!is_bool($var)) break; - return $var; - case 'list': - case 'hash': - case 'lookup': - if (is_string($var)) { - // special case: technically, this is an array with - // a single empty string item, but having an empty - // array is more intuitive - if ($var == '') return array(); - if (strpos($var, "\n") === false && strpos($var, "\r") === false) { - // simplistic string to array method that only works - // for simple lists of tag names or alphanumeric characters - $var = explode(',',$var); - } else { - $var = preg_split('/(,|[\n\r]+)/', $var); - } - // remove spaces - foreach ($var as $i => $j) $var[$i] = trim($j); - if ($type === 'hash') { - // key:value,key2:value2 - $nvar = array(); - foreach ($var as $keypair) { - $c = explode(':', $keypair, 2); - if (!isset($c[1])) continue; - $nvar[$c[0]] = $c[1]; - } - $var = $nvar; - } - } - if (!is_array($var)) break; - $keys = array_keys($var); - if ($keys === array_keys($keys)) { - if ($type == 'list') return $var; - elseif ($type == 'lookup') { - $new = array(); - foreach ($var as $key) { - $new[$key] = true; - } - return $new; - } else break; - } - if ($type === 'lookup') { - foreach ($var as $key => $value) { - $var[$key] = true; - } - } - return $var; - default: - // This should not happen! - throw new HTMLPurifier_Exception("Inconsistency in HTMLPurifier_VarParser: $type is not implemented"); - } - throw new HTMLPurifier_VarParserException("Invalid input for type $type"); - } + abstract public function parse($var, $type, $allow_null = false); } diff --git a/library/HTMLPurifier/VarParser/Flexible.php b/library/HTMLPurifier/VarParser/Flexible.php new file mode 100644 index 00000000..fcec974b --- /dev/null +++ b/library/HTMLPurifier/VarParser/Flexible.php @@ -0,0 +1,103 @@ + $j) $var[$i] = trim($j); + if ($type === 'hash') { + // key:value,key2:value2 + $nvar = array(); + foreach ($var as $keypair) { + $c = explode(':', $keypair, 2); + if (!isset($c[1])) continue; + $nvar[$c[0]] = $c[1]; + } + $var = $nvar; + } + } + if (!is_array($var)) break; + $keys = array_keys($var); + if ($keys === array_keys($keys)) { + if ($type == 'list') return $var; + elseif ($type == 'lookup') { + $new = array(); + foreach ($var as $key) { + $new[$key] = true; + } + return $new; + } else break; + } + if ($type === 'lookup') { + foreach ($var as $key => $value) { + $var[$key] = true; + } + } + return $var; + default: + // This should not happen! + throw new HTMLPurifier_Exception("Inconsistency in HTMLPurifier_VarParser_Flexible: $type is not implemented"); + } + throw new HTMLPurifier_VarParserException("Invalid input for type $type"); + } + +} diff --git a/tests/HTMLPurifier/VarParserTest.php b/tests/HTMLPurifier/VarParser/FlexibleTest.php similarity index 77% rename from tests/HTMLPurifier/VarParserTest.php rename to tests/HTMLPurifier/VarParser/FlexibleTest.php index 84137e34..4578460e 100644 --- a/tests/HTMLPurifier/VarParserTest.php +++ b/tests/HTMLPurifier/VarParser/FlexibleTest.php @@ -1,32 +1,8 @@ parser = new HTMLPurifier_VarParser(); - } - - function assertValid($var, $type, $ret = null) { - $ret = ($ret === null) ? $var : $ret; - $this->assertIdentical($this->parser->parse($var, $type), $ret); - } - - function assertInvalid($var, $type, $msg = null) { - $caught = false; - try { - $this->parser->parse($var, $type); - } catch (HTMLPurifier_VarParserException $e) { - $caught = true; - if ($msg !== null) $this->assertIdentical($e->getMessage(), $msg); - } - if (!$caught) { - $this->fail('Did not catch expected error'); - } - } - function testValidate() { $this->assertValid('foobar', 'string'); diff --git a/tests/HTMLPurifier/VarParserHarness.php b/tests/HTMLPurifier/VarParserHarness.php new file mode 100644 index 00000000..59eb6965 --- /dev/null +++ b/tests/HTMLPurifier/VarParserHarness.php @@ -0,0 +1,31 @@ +parser = new $class(); + } + + function assertValid($var, $type, $ret = null) { + $ret = ($ret === null) ? $var : $ret; + $this->assertIdentical($this->parser->parse($var, $type), $ret); + } + + function assertInvalid($var, $type, $msg = null) { + $caught = false; + try { + $this->parser->parse($var, $type); + } catch (HTMLPurifier_VarParserException $e) { + $caught = true; + if ($msg !== null) $this->assertIdentical($e->getMessage(), $msg); + } + if (!$caught) { + $this->fail('Did not catch expected error'); + } + } + +}