86 lines
2.2 KiB
PHP
86 lines
2.2 KiB
PHP
<?php
|
|
|
|
function decodeBASE64($s) {
|
|
$B64Values = array(
|
|
"A" => 0, "B" => 1, "C" => 2, "D" => 3, "E" => 4, "F" => 5,
|
|
"G" => 6, "H" => 7, "I" => 8, "J" => 9, "K" => 10, "L" => 11,
|
|
"M" => 12, "N" => 13, "O" => 14, "P" => 15, "Q" => 16, "R" => 17,
|
|
"S" => 18, "T" => 19, "U" => 20, "V" => 21, "W" => 22, "X" => 23,
|
|
"Y" => 24, "Z" => 25,
|
|
"a" => 26, "b" => 27, "c" => 28, "d" => 29, "e" => 30, "f" => 31,
|
|
"g" => 32, "h" => 33, "i" => 34, "j" => 35, "k" => 36, "l" => 37,
|
|
"m" => 38, "n" => 39, "o" => 40, "p" => 41, "q" => 42, "r" => 43,
|
|
"s" => 44, "t" => 45, "u" => 46, "v" => 47, "w" => 48, "x" => 49,
|
|
"y" => 50, "z" => 51,
|
|
"0" => 52, "1" => 53, "2" => 54, "3" => 55, "4" => 56, "5" => 57,
|
|
"6" => 58, "7" => 59, "8" => 60, "9" => 61, "+" => 62, "," => 63
|
|
);
|
|
$p = 0;
|
|
$d = '';
|
|
$unicodeNullByteToggle = 0;
|
|
for ($i = 0; $i < strlen($s); $i++) {
|
|
$c = $s[$i];
|
|
if ($p == 0) {
|
|
$t = $B64Values[$c];
|
|
$p = 1;
|
|
} elseif ($p == 1) {
|
|
if ($unicodeNullByteToggle) {
|
|
$d = $d . chr(($t << 2) + (($B64Values[$c] & 48) >> 4));
|
|
$unicodeNullByteToggle = 0;
|
|
} else {
|
|
$unicodeNullByteToggle = 1;
|
|
}
|
|
$t = ($B64Values[$c] & 15);
|
|
$p = 2;
|
|
} elseif ($p == 2) {
|
|
if ($unicodeNullByteToggle) {
|
|
$d = $d . chr(($t << 4) + (($B64Values[$c] & 60) >> 2));
|
|
$unicodeNullByteToggle = 0;
|
|
} else {
|
|
$unicodeNullByteToggle = 1;
|
|
}
|
|
$t = ($B64Values[$c] & 3);
|
|
$p = 3;
|
|
} elseif ($p == 3) {
|
|
if ($unicodeNullByteToggle) {
|
|
$d = $d . chr(($t << 6) + $B64Values[$c]);
|
|
$unicodeNullByteToggle = 0;
|
|
} else {
|
|
$unicodeNullByteToggle = 1;
|
|
}
|
|
$t = ($B64Values[$c] & 3);
|
|
$p = 0;
|
|
}
|
|
}
|
|
return $d;
|
|
}
|
|
|
|
function imap_utf7_decode_local($s) {
|
|
$b64_s = '';
|
|
$iso_8859_1_s = '';
|
|
for ($i = 0; $i < strlen($s); $i++) {
|
|
$c = $s[$i];
|
|
if (strlen($b64_s) > 0) {
|
|
if ($c == '-') {
|
|
if ($b64_s == '&') {
|
|
$iso_8859_1_s = $iso_8859_1_s . '&';
|
|
} else {
|
|
$iso_8859_1_s = $iso_8859_1_s .
|
|
decodeBASE64(substr($b64_s, 1));
|
|
}
|
|
$b64_s = '';
|
|
} else {
|
|
$b64_s = $b64_s . $c;
|
|
}
|
|
} else {
|
|
if ($c == '&') {
|
|
$b64_s = '&';
|
|
} else {
|
|
$iso_8859_1_s = $iso_8859_1_s . $c;
|
|
}
|
|
}
|
|
}
|
|
return $iso_8859_1_s;
|
|
}
|
|
|
|
?>
|