: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.

2 files changed, 0 insertions, 168 deletions

diff --git a/library/HTMLPurifier/VarParser/Flexible.php b/library/HTMLPurifier/VarParser/Flexible.php
deleted file mode 100644
index b15016c5b..000000000
--- a/library/HTMLPurifier/VarParser/Flexible.php
+++ /dev/null
@@ -1,130 +0,0 @@
-<?php
-
-/**
- * Performs safe variable parsing based on types which can be used by
- * users. This may not be able to represent all possible data inputs,
- * however.
- */
-class HTMLPurifier_VarParser_Flexible extends HTMLPurifier_VarParser
-{
-    /**
-     * @param mixed $var
-     * @param int $type
-     * @param bool $allow_null
-     * @return array|bool|float|int|mixed|null|string
-     * @throws HTMLPurifier_VarParserException
-     */
-    protected function parseImplementation($var, $type, $allow_null)
-    {
-        if ($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 self::MIXED:
-            case self::ISTRING:
-            case self::STRING:
-            case self::TEXT:
-            case self::ITEXT:
-                return $var;
-            case self::INT:
-                if (is_string($var) && ctype_digit($var)) {
-                    $var = (int)$var;
-                }
-                return $var;
-            case self::FLOAT:
-                if ((is_string($var) && is_numeric($var)) || is_int($var)) {
-                    $var = (float)$var;
-                }
-                return $var;
-            case self::BOOL:
-                if (is_int($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");
-                    }
-                }
-                return $var;
-            case self::ALIST:
-            case self::HASH:
-            case self::LOOKUP:
-                if (is_string($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 === self::HASH) {
-                        // key:value,key2:value2
-                        $nvar = array();
-                        foreach ($var as $keypair) {
-                            $c = explode(':', $keypair, 2);
-                            if (!isset($c[1])) {
-                                continue;
-                            }
-                            $nvar[trim($c[0])] = trim($c[1]);
-                        }
-                        $var = $nvar;
-                    }
-                }
-                if (!is_array($var)) {
-                    break;
-                }
-                $keys = array_keys($var);
-                if ($keys === array_keys($keys)) {
-                    if ($type == self::ALIST) {
-                        return $var;
-                    } elseif ($type == self::LOOKUP) {
-                        $new = array();
-                        foreach ($var as $key) {
-                            $new[$key] = true;
-                        }
-                        return $new;
-                    } else {
-                        break;
-                    }
-                }
-                if ($type === self::ALIST) {
-                    trigger_error("Array list did not have consecutive integer indexes", E_USER_WARNING);
-                    return array_values($var);
-                }
-                if ($type === self::LOOKUP) {
-                    foreach ($var as $key => $value) {
-                        if ($value !== true) {
-                            trigger_error(
-                                "Lookup array has non-true value at key '$key'; " .
-                                "maybe your input array was not indexed numerically",
-                                E_USER_WARNING
-                            );
-                        }
-                        $var[$key] = true;
-                    }
-                }
-                return $var;
-            default:
-                $this->errorInconsistent(__CLASS__, $type);
-        }
-        $this->errorGeneric($var, $type);
-    }
-}
-
-// vim: et sw=4 sts=4
diff --git a/library/HTMLPurifier/VarParser/Native.php b/library/HTMLPurifier/VarParser/Native.php
deleted file mode 100644
index f11c318ef..000000000
--- a/library/HTMLPurifier/VarParser/Native.php
+++ /dev/null
@@ -1,38 +0,0 @@
-<?php
-
-/**
- * This variable parser uses PHP's internal code engine. Because it does
- * this, it can represent all inputs; however, it is dangerous and cannot
- * be used by users.
- */
-class HTMLPurifier_VarParser_Native extends HTMLPurifier_VarParser
-{
-
-    /**
-     * @param mixed $var
-     * @param int $type
-     * @param bool $allow_null
-     * @return null|string
-     */
-    protected function parseImplementation($var, $type, $allow_null)
-    {
-        return $this->evalExpression($var);
-    }
-
-    /**
-     * @param string $expr
-     * @return mixed
-     * @throws HTMLPurifier_VarParserException
-     */
-    protected function evalExpression($expr)
-    {
-        $var = null;
-        $result = eval("\$var = $expr;");
-        if ($result === false) {
-            throw new HTMLPurifier_VarParserException("Fatal error in evaluated code");
-        }
-        return $var;
-    }
-}
-
-// vim: et sw=4 sts=4