:arrow_up: Update HTML Purifier library.

Updated HTML Purifier from 4.6.0 to 4.9.2 with better PHP7 compatibility.
Used composer to manage this library.

1 files changed, 0 insertions, 198 deletions

diff --git a/library/HTMLPurifier/VarParser.php b/library/HTMLPurifier/VarParser.php
deleted file mode 100644
index 50cba6910..000000000
--- a/library/HTMLPurifier/VarParser.php
+++ /dev/null
@@ -1,198 +0,0 @@
-<?php
-
-/**
- * Parses string representations into their corresponding native PHP
- * variable type. The base implementation does a simple type-check.
- */
-class HTMLPurifier_VarParser
-{
-
-    const STRING = 1;
-    const ISTRING = 2;
-    const TEXT = 3;
-    const ITEXT = 4;
-    const INT = 5;
-    const FLOAT = 6;
-    const BOOL = 7;
-    const LOOKUP = 8;
-    const ALIST = 9;
-    const HASH = 10;
-    const MIXED = 11;
-
-    /**
-     * Lookup table of allowed types. Mainly for backwards compatibility, but
-     * also convenient for transforming string type names to the integer constants.
-     */
-    public static $types = array(
-        'string' => self::STRING,
-        'istring' => self::ISTRING,
-        'text' => self::TEXT,
-        'itext' => self::ITEXT,
-        'int' => self::INT,
-        'float' => self::FLOAT,
-        'bool' => self::BOOL,
-        'lookup' => self::LOOKUP,
-        'list' => self::ALIST,
-        'hash' => self::HASH,
-        'mixed' => self::MIXED
-    );
-
-    /**
-     * Lookup table of types that are string, and can have aliases or
-     * allowed value lists.
-     */
-    public static $stringTypes = array(
-        self::STRING => true,
-        self::ISTRING => true,
-        self::TEXT => true,
-        self::ITEXT => true,
-    );
-
-    /**
-     * Validate a variable according to type.
-     * It may return NULL as a valid type if $allow_null is true.
-     *
-     * @param mixed $var Variable to validate
-     * @param int $type Type of variable, see HTMLPurifier_VarParser->types
-     * @param bool $allow_null Whether or not to permit null as a value
-     * @return string Validated and type-coerced variable
-     * @throws HTMLPurifier_VarParserException
-     */
-    final public function parse($var, $type, $allow_null = false)
-    {
-        if (is_string($type)) {
-            if (!isset(HTMLPurifier_VarParser::$types[$type])) {
-                throw new HTMLPurifier_VarParserException("Invalid type '$type'");
-            } else {
-                $type = HTMLPurifier_VarParser::$types[$type];
-            }
-        }
-        $var = $this->parseImplementation($var, $type, $allow_null);
-        if ($allow_null && $var === null) {
-            return null;
-        }
-        // These are basic checks, to make sure nothing horribly wrong
-        // happened in our implementations.
-        switch ($type) {
-            case (self::STRING):
-            case (self::ISTRING):
-            case (self::TEXT):
-            case (self::ITEXT):
-                if (!is_string($var)) {
-                    break;
-                }
-                if ($type == self::ISTRING || $type == self::ITEXT) {
-                    $var = strtolower($var);
-                }
-                return $var;
-            case (self::INT):
-                if (!is_int($var)) {
-                    break;
-                }
-                return $var;
-            case (self::FLOAT):
-                if (!is_float($var)) {
-                    break;
-                }
-                return $var;
-            case (self::BOOL):
-                if (!is_bool($var)) {
-                    break;
-                }
-                return $var;
-            case (self::LOOKUP):
-            case (self::ALIST):
-            case (self::HASH):
-                if (!is_array($var)) {
-                    break;
-                }
-                if ($type === self::LOOKUP) {
-                    foreach ($var as $k) {
-                        if ($k !== true) {
-                            $this->error('Lookup table contains value other than true');
-                        }
-                    }
-                } elseif ($type === self::ALIST) {
-                    $keys = array_keys($var);
-                    if (array_keys($keys) !== $keys) {
-                        $this->error('Indices for list are not uniform');
-                    }
-                }
-                return $var;
-            case (self::MIXED):
-                return $var;
-            default:
-                $this->errorInconsistent(get_class($this), $type);
-        }
-        $this->errorGeneric($var, $type);
-    }
-
-    /**
-     * Actually implements the parsing. Base implementation does not
-     * do anything to $var. Subclasses should overload this!
-     * @param mixed $var
-     * @param int $type
-     * @param bool $allow_null
-     * @return string
-     */
-    protected function parseImplementation($var, $type, $allow_null)
-    {
-        return $var;
-    }
-
-    /**
-     * Throws an exception.
-     * @throws HTMLPurifier_VarParserException
-     */
-    protected function error($msg)
-    {
-        throw new HTMLPurifier_VarParserException($msg);
-    }
-
-    /**
-     * Throws an inconsistency exception.
-     * @note This should not ever be called. It would be called if we
-     *       extend the allowed values of HTMLPurifier_VarParser without
-     *       updating subclasses.
-     * @param string $class
-     * @param int $type
-     * @throws HTMLPurifier_Exception
-     */
-    protected function errorInconsistent($class, $type)
-    {
-        throw new HTMLPurifier_Exception(
-            "Inconsistency in $class: " . HTMLPurifier_VarParser::getTypeName($type) .
-            " not implemented"
-        );
-    }
-
-    /**
-     * Generic error for if a type didn't work.
-     * @param mixed $var
-     * @param int $type
-     */
-    protected function errorGeneric($var, $type)
-    {
-        $vtype = gettype($var);
-        $this->error("Expected type " . HTMLPurifier_VarParser::getTypeName($type) . ", got $vtype");
-    }
-
-    /**
-     * @param int $type
-     * @return string
-     */
-    public static function getTypeName($type)
-    {
-        static $lookup;
-        if (!$lookup) {
-            // Lazy load the alternative lookup table
-            $lookup = array_flip(HTMLPurifier_VarParser::$types);
-        }
-        if (!isset($lookup[$type])) {
-            return 'unknown';
-        }
-        return $lookup[$type];
-    }
-}
-
-// vim: et sw=4 sts=4