diff options
Diffstat (limited to 'inc/3rdparty/htmlpurifier/HTMLPurifier/PercentEncoder.php')
| -rw-r--r-- | inc/3rdparty/htmlpurifier/HTMLPurifier/PercentEncoder.php | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/inc/3rdparty/htmlpurifier/HTMLPurifier/PercentEncoder.php b/inc/3rdparty/htmlpurifier/HTMLPurifier/PercentEncoder.php deleted file mode 100644 index fb9fd1fc..00000000 --- a/inc/3rdparty/htmlpurifier/HTMLPurifier/PercentEncoder.php +++ /dev/null | |||
| @@ -1,111 +0,0 @@ | |||
| 1 | <?php | ||
| 2 | |||
| 3 | /** | ||
| 4 | * Class that handles operations involving percent-encoding in URIs. | ||
| 5 | * | ||
| 6 | * @warning | ||
| 7 | * Be careful when reusing instances of PercentEncoder. The object | ||
| 8 | * you use for normalize() SHOULD NOT be used for encode(), or | ||
| 9 | * vice-versa. | ||
| 10 | */ | ||
| 11 | class HTMLPurifier_PercentEncoder | ||
| 12 | { | ||
| 13 | |||
| 14 | /** | ||
| 15 | * Reserved characters to preserve when using encode(). | ||
| 16 | * @type array | ||
| 17 | */ | ||
| 18 | protected $preserve = array(); | ||
| 19 | |||
| 20 | /** | ||
| 21 | * String of characters that should be preserved while using encode(). | ||
| 22 | * @param bool $preserve | ||
| 23 | */ | ||
| 24 | public function __construct($preserve = false) | ||
| 25 | { | ||
| 26 | // unreserved letters, ought to const-ify | ||
| 27 | for ($i = 48; $i <= 57; $i++) { // digits | ||
| 28 | $this->preserve[$i] = true; | ||
| 29 | } | ||
| 30 | for ($i = 65; $i <= 90; $i++) { // upper-case | ||
| 31 | $this->preserve[$i] = true; | ||
| 32 | } | ||
| 33 | for ($i = 97; $i <= 122; $i++) { // lower-case | ||
| 34 | $this->preserve[$i] = true; | ||
| 35 | } | ||
| 36 | $this->preserve[45] = true; // Dash - | ||
| 37 | $this->preserve[46] = true; // Period . | ||
| 38 | $this->preserve[95] = true; // Underscore _ | ||
| 39 | $this->preserve[126]= true; // Tilde ~ | ||
| 40 | |||
| 41 | // extra letters not to escape | ||
| 42 | if ($preserve !== false) { | ||
| 43 | for ($i = 0, $c = strlen($preserve); $i < $c; $i++) { | ||
| 44 | $this->preserve[ord($preserve[$i])] = true; | ||
| 45 | } | ||
| 46 | } | ||
| 47 | } | ||
| 48 | |||
| 49 | /** | ||
| 50 | * Our replacement for urlencode, it encodes all non-reserved characters, | ||
| 51 | * as well as any extra characters that were instructed to be preserved. | ||
| 52 | * @note | ||
| 53 | * Assumes that the string has already been normalized, making any | ||
| 54 | * and all percent escape sequences valid. Percents will not be | ||
| 55 | * re-escaped, regardless of their status in $preserve | ||
| 56 | * @param string $string String to be encoded | ||
| 57 | * @return string Encoded string. | ||
| 58 | */ | ||
| 59 | public function encode($string) | ||
| 60 | { | ||
| 61 | $ret = ''; | ||
| 62 | for ($i = 0, $c = strlen($string); $i < $c; $i++) { | ||
| 63 | if ($string[$i] !== '%' && !isset($this->preserve[$int = ord($string[$i])])) { | ||
| 64 | $ret .= '%' . sprintf('%02X', $int); | ||
| 65 | } else { | ||
| 66 | $ret .= $string[$i]; | ||
| 67 | } | ||
| 68 | } | ||
| 69 | return $ret; | ||
| 70 | } | ||
| 71 | |||
| 72 | /** | ||
| 73 | * Fix up percent-encoding by decoding unreserved characters and normalizing. | ||
| 74 | * @warning This function is affected by $preserve, even though the | ||
| 75 | * usual desired behavior is for this not to preserve those | ||
| 76 | * characters. Be careful when reusing instances of PercentEncoder! | ||
| 77 | * @param string $string String to normalize | ||
| 78 | * @return string | ||
| 79 | */ | ||
| 80 | public function normalize($string) | ||
| 81 | { | ||
| 82 | if ($string == '') { | ||
| 83 | return ''; | ||
| 84 | } | ||
| 85 | $parts = explode('%', $string); | ||
| 86 | $ret = array_shift($parts); | ||
| 87 | foreach ($parts as $part) { | ||
| 88 | $length = strlen($part); | ||
| 89 | if ($length < 2) { | ||
| 90 | $ret .= '%25' . $part; | ||
| 91 | continue; | ||
| 92 | } | ||
| 93 | $encoding = substr($part, 0, 2); | ||
| 94 | $text = substr($part, 2); | ||
| 95 | if (!ctype_xdigit($encoding)) { | ||
| 96 | $ret .= '%25' . $part; | ||
| 97 | continue; | ||
| 98 | } | ||
| 99 | $int = hexdec($encoding); | ||
| 100 | if (isset($this->preserve[$int])) { | ||
| 101 | $ret .= chr($int) . $text; | ||
| 102 | continue; | ||
| 103 | } | ||
| 104 | $encoding = strtoupper($encoding); | ||
| 105 | $ret .= '%' . $encoding . $text; | ||
| 106 | } | ||
| 107 | return $ret; | ||
| 108 | } | ||
| 109 | } | ||
| 110 | |||
| 111 | // vim: et sw=4 sts=4 | ||