diff options
| author | Brion Vibber <brion@pobox.com> | 2010-03-30 17:35:27 -0700 |
|---|---|---|
| committer | Brion Vibber <brion@pobox.com> | 2010-03-30 17:35:27 -0700 |
| commit | 0841fa712ec558d283f533690d2db50dfa1da8fc (patch) | |
| tree | 406ea631c8704dfcfd81dceaacf5a1785ff2103b | |
| parent | bfb2ac4910a52dde9bd3c39855f0488f56eb79bc (diff) | |
Ticket #1281: JID validation now more or less follows spec instead of calling e-mail validator
Basic splitting/validation code submitted via http://status.net/wiki/XMPP/JID_validation -- Copyright 2009 Patrick Georgi <patrick@georgi-clan.de> Licensed under ISC-L, which is compatible with everything else that keeps the copyright notice intact.
Added PEAR Net_IDNA package to extlib to handle IDN normalization (also used by Validate's email verifier if present).
* added test suite, supplemented my own test cases with JID validation and normalization test cases from libpurple
* follows XMPP rules for validation of name part
* fixes for normalization with non-ASCII names
* will do domain checks if $config['email']['check_domain'] is on, checking for an XMPP-server SRV record or any lookup. (We don't actually need to ping those direct though.)
* some more obscure stringprep validation rules aren't quite followed yet, but we err on the side of permissiveness.
* we still don't actually let you save your address with a resource on it, as we strip resources when looking up users who've sent us presence or message updates. I would recommend saving the outgoing resource as a separate field if/when we add that..?
| -rw-r--r-- | actions/imsettings.php | 2 | ||||
| -rw-r--r-- | extlib/Net/IDNA.php | 100 | ||||
| -rw-r--r-- | extlib/Net/IDNA/php5.php | 3269 | ||||
| -rw-r--r-- | lib/jabber.php | 179 | ||||
| -rw-r--r-- | lib/util.php | 49 | ||||
| -rw-r--r-- | tests/JidValidateTest.php | 146 |
6 files changed, 3734 insertions, 11 deletions
diff --git a/actions/imsettings.php b/actions/imsettings.php index af4915843..c3360fb12 100644 --- a/actions/imsettings.php +++ b/actions/imsettings.php @@ -292,7 +292,7 @@ class ImsettingsAction extends ConnectSettingsAction $this->showForm(_('Cannot normalize that Jabber ID')); return; } - if (!jabber_valid_base_jid($jabber)) { + if (!jabber_valid_base_jid($jabber, common_config('email', 'domain_check'))) { $this->showForm(_('Not a valid Jabber ID')); return; } else if ($user->jabber == $jabber) { diff --git a/extlib/Net/IDNA.php b/extlib/Net/IDNA.php new file mode 100644 index 000000000..987a37ef1 --- /dev/null +++ b/extlib/Net/IDNA.php @@ -0,0 +1,100 @@ +<?php + +// {{{ license + +/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4 foldmethod=marker: */ +// +// +----------------------------------------------------------------------+ +// | This library is free software; you can redistribute it and/or modify | +// | it under the terms of the GNU Lesser General Public License as | +// | published by the Free Software Foundation; either version 2.1 of the | +// | License, or (at your option) any later version. | +// | | +// | This library is distributed in the hope that it will be useful, but | +// | WITHOUT ANY WARRANTY; without even the implied warranty of | +// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | +// | Lesser General Public License for more details. | +// | | +// | You should have received a copy of the GNU Lesser General Public | +// | License along with this library; if not, write to the Free Software | +// | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | +// | USA. | +// +----------------------------------------------------------------------+ +// + +// }}} + + +/** + * Encode/decode Internationalized Domain Names. + * Factory class to get correct implementation either for php4 or php5. + * + * @author Markus Nix <mnix@docuverse.de> + * @author Matthias Sommerfeld <mso@phlylabs.de> + * @package Net + * @version $Id: IDNA.php 284681 2009-07-24 04:24:27Z clockwerx $ + */ + +class Net_IDNA +{ + // {{{ factory + /** + * Attempts to return a concrete IDNA instance for either php4 or php5. + * + * @param array $params Set of paramaters + * @return object IDNA The newly created concrete Log instance, or an + * false on an error. + * @access public + */ + function getInstance($params = array()) + { + $version = explode( '.', phpversion() ); + $handler = ((int)$version[0] > 4) ? 'php5' : 'php4'; + $class = 'Net_IDNA_' . $handler; + $classfile = 'Net/IDNA/' . $handler . '.php'; + + /* + * Attempt to include our version of the named class, but don't treat + * a failure as fatal. The caller may have already included their own + * version of the named class. + */ + @include_once $classfile; + + /* If the class exists, return a new instance of it. */ + if (class_exists($class)) { + return new $class($params); + } + + return false; + } + // }}} + + // {{{ singleton + /** + * Attempts to return a concrete IDNA instance for either php4 or php5, + * only creating a new instance if no IDNA instance with the same + * parameters currently exists. + * + * @param array $params Set of paramaters + * @return object IDNA The newly created concrete Log instance, or an + * false on an error. + * @access public + */ + function singleton($params = array()) + { + static $instances; + if (!isset($instances)) { + $instances = array(); + } + + $signature = serialize($params); + if (!isset($instances[$signature])) { + $instances[$signature] = Net_IDNA::getInstance($params); + } + + return $instances[$signature]; + } + // }}} +} + +?> diff --git a/extlib/Net/IDNA/php5.php b/extlib/Net/IDNA/php5.php new file mode 100644 index 000000000..d61772170 --- /dev/null +++ b/extlib/Net/IDNA/php5.php @@ -0,0 +1,3269 @@ +<?php + +// {{{ license + +/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4 foldmethod=marker: */ +// +// +----------------------------------------------------------------------+ +// | This library is free software; you can redistribute it and/or modify | +// | it under the terms of the GNU Lesser General Public License as | +// | published by the Free Software Foundation; either version 2.1 of the | +// | License, or (at your option) any later version. | +// | | +// | This library is distributed in the hope that it will be useful, but | +// | WITHOUT ANY WARRANTY; without even the implied warranty of | +// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | +// | Lesser General Public License for more details. | +// | | +// | You should have received a copy of the GNU Lesser General Public | +// | License along with this library; if not, write to the Free Software | +// | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | +// | USA. | +// +----------------------------------------------------------------------+ +// + +// }}} + + +/** + * Encode/decode Internationalized Domain Names. + * + * The class allows to convert internationalized domain names + * (see RFC 3490 for details) as they can be used with various registries worldwide + * to be translated between their original (localized) form and their encoded form + * as it will be used in the DNS (Domain Name System). + * + * The class provides two public methods, encode() and decode(), which do exactly + * what you would expect them to do. You are allowed to use complete domain names, + * simple strings and complete email addresses as well. That means, that you might + * use any of the following notations: + * + * - www.n�rgler.com + * - xn--nrgler-wxa + * - xn--brse-5qa.xn--knrz-1ra.info + * + * Unicode input might be given as either UTF-8 string, UCS-4 string or UCS-4 + * array. Unicode output is available in the same formats. + * You can select your preferred format via {@link set_paramter()}. + * + * ACE input and output is always expected to be ASCII. + * + * @author Markus Nix <mnix@docuverse.de> + * @author Matthias Sommerfeld <mso@phlylabs.de> + * @author Stefan Neufeind <pear.neufeind@speedpartner.de> + * @package Net + * @version $Id: php5.php 284682 2009-07-24 04:27:35Z clockwerx $ + */ + +class Net_IDNA_php5 +{ + // {{{ npdata + /** + * These Unicode codepoints are + * mapped to nothing, See RFC3454 for details + * + * @static + * @var array + * @access private + */ + private static $_np_map_nothing = array( + 0xAD, + 0x34F, + 0x1806, + 0x180B, + 0x180C, + 0x180D, + 0x200B, + 0x200C, + 0x200D, + 0x2060, + 0xFE00, + 0xFE01, + 0xFE02, + 0xFE03, + 0xFE04, + 0xFE05, + 0xFE06, + 0xFE07, + 0xFE08, + 0xFE09, + 0xFE0A, + 0xFE0B, + 0xFE0C, + 0xFE0D, + 0xFE0E, + 0xFE0F, + 0xFEFF + ); + + /** + * Prohibited codepints + * + * @static + * @var array + * @access private + */ + private static $_general_prohibited = array( + 0, + 1, + 2, + 3, + 4, + 5, + 6, + 7, + 8, + 9, + 0xA, + 0xB, + 0xC, + 0xD, + 0xE, + 0xF, + 0x10, + 0x11, + 0x12, + 0x13, + 0x14, + 0x15, + 0x16, + 0x17, + 0x18, + 0x19, + 0x1A, + 0x1B, + 0x1C, + 0x1D, + 0x1E, + 0x1F, + 0x20, + 0x21, + 0x22, + 0x23, + 0x24, + 0x25, + 0x26, + 0x27, + 0x28, + 0x29, + 0x2A, + 0x2B, + 0x2C, + 0x2F, + 0x3B, + 0x3C, + 0x3D, + 0x3E, + 0x3F, + 0x40, + 0x5B, + 0x5C, + 0x5D, + 0x5E, + 0x5F, + 0x60, + 0x7B, + 0x7C, + 0x7D, + 0x7E, + 0x7F, + 0x3002 + ); + + /** + * Codepints prohibited by Nameprep + * @static + * @var array + * @access private + */ + private static $_np_prohibit = array( + 0xA0, + 0x1680, + 0x2000, + 0x2001, + 0x2002, + 0x2003, + 0x2004, + 0x2005, + 0x2006, + 0x2007, + 0x2008, + 0x2009, + 0x200A, + 0x200B, + 0x202F, + 0x205F, + 0x3000, + 0x6DD, + 0x70F, + 0x180E, + 0x200C, + 0x200D, + 0x2028, + 0x2029, + 0xFEFF, + 0xFFF9, + 0xFFFA, + 0xFFFB, + 0xFFFC, + 0xFFFE, + 0xFFFF, + 0x1FFFE, + 0x1FFFF, + 0x2FFFE, + 0x2FFFF, + 0x3FFFE, + 0x3FFFF, + 0x4FFFE, + 0x4FFFF, + 0x5FFFE, + 0x5FFFF, + 0x6FFFE, + 0x6FFFF, + 0x7FFFE, + 0x7FFFF, + 0x8FFFE, + 0x8FFFF, + 0x9FFFE, + 0x9FFFF, + 0xAFFFE, + 0xAFFFF, + 0xBFFFE, + 0xBFFFF, + 0xCFFFE, + 0xCFFFF, + 0xDFFFE, + 0xDFFFF, + 0xEFFFE, + 0xEFFFF, + 0xFFFFE, + 0xFFFFF, + 0x10FFFE, + 0x10FFFF, + 0xFFF9, + 0xFFFA, + 0xFFFB, + 0xFFFC, + 0xFFFD, + 0x340, + 0x341, + 0x200E, + 0x200F, + 0x202A, + 0x202B, + 0x202C, + 0x202D, + 0x202E, + 0x206A, + 0x206B, + 0x206C, + 0x206D, + 0x206E, + 0x206F, + 0xE0001 + ); + + /** + * Codepoint ranges prohibited by nameprep + * + * @static + * @var array + * @access private + */ + private static $_np_prohibit_ranges = array( + array(0x80, 0x9F ), + array(0x2060, 0x206F ), + array(0x1D173, 0x1D17A ), + array(0xE000, 0xF8FF ), + array(0xF0000, 0xFFFFD ), + array(0x100000, 0x10FFFD), + array(0xFDD0, 0xFDEF ), + array(0xD800, 0xDFFF ), + array(0x2FF0, 0x2FFB ), + array(0xE0020, 0xE007F ) + ); + + /** + * Replacement mappings (casemapping, replacement sequences, ...) + * + * @static + * @var array + * @access private + */ + private static $_np_replacemaps = array( + 0x41 => array(0x61), + 0x42 => array(0x62), + 0x43 => array(0x63), + 0x44 => array(0x64), + 0x45 => array(0x65), + 0x46 => array(0x66), + 0x47 => array(0x67), + 0x48 => array(0x68), + 0x49 => array(0x69), + 0x4A => array(0x6A), + 0x4B => array(0x6B), + 0x4C => array(0x6C), + 0x4D => array(0x6D), + 0x4E => array(0x6E), + 0x4F => array(0x6F), + 0x50 => array(0x70), + 0x51 => array(0x71), + 0x52 => array(0x72), + 0x53 => array(0x73), + 0x54 => array(0x74), + 0x55 => array(0x75), + 0x56 => array(0x76), + 0x57 => array(0x77), + 0x58 => array(0x78), + 0x59 => array(0x79), + 0x5A => array(0x7A), + 0xB5 => array(0x3BC), + 0xC0 => array(0xE0), + 0xC1 => array(0xE1), + 0xC2 => array(0xE2), + 0xC3 => array(0xE3), + 0xC4 => array(0xE4), + 0xC5 => array(0xE5), + 0xC6 => array(0xE6), + 0xC7 => array(0xE7), + 0xC8 => array(0xE8), + 0xC9 => array(0xE9), + 0xCA => array(0xEA), + 0xCB => array(0xEB), + 0xCC => array(0xEC), + 0xCD => array(0xED), + 0xCE => array(0xEE), + 0xCF => array(0xEF), + 0xD0 => array(0xF0), + 0xD1 => array(0xF1), + 0xD2 => array(0xF2), + 0xD3 => array(0xF3), + 0xD4 => array(0xF4), + 0xD5 => array(0xF5), + 0xD6 => array(0xF6), + 0xD8 => array(0xF8), + 0xD9 => array(0xF9), + 0xDA => array(0xFA), + 0xDB => array(0xFB), + 0xDC => array(0xFC), + 0xDD => array(0xFD), + 0xDE => array(0xFE), + 0xDF => array(0x73, 0x73), + 0x100 => array(0x101), + 0x102 => array(0x103), + 0x104 => array(0x105), + 0x106 => array(0x107), + 0x108 => array(0x109), + 0x10A => array(0x10B), + 0x10C => array(0x10D), + 0x10E => array(0x10F), + 0x110 => array(0x111), + 0x112 => array(0x113), + 0x114 => array(0x115), + 0x116 => array(0x117), + 0x118 => array(0x119), + 0x11A => array(0x11B), + 0x11C => array(0x11D), + 0x11E => array(0x11F), + 0x120 => array(0x121), + 0x122 => array(0x123), + 0x124 => array(0x125), + 0x126 => array(0x127), + 0x128 => array(0x129), + 0x12A => array(0x12B), + 0x12C => array(0x12D), + 0x12E => array(0x12F), + 0x130 => array(0x69, 0x307), + 0x132 => array(0x133), + 0x134 => array(0x135), + 0x136 => array(0x137), + 0x139 => array(0x13A), + 0x13B => array(0x13C), + 0x13D => array(0x13E), + 0x13F => array(0x140), + 0x141 => array(0x142), + 0x143 => array(0x144), + 0x145 => array(0x146), + 0x147 => array(0x148), + 0x149 => array(0x2BC, 0x6E), + 0x14A => array(0x14B), + 0x14C => array(0x14D), + 0x14E => array(0x14F), + 0x150 => array(0x151), + 0x152 => array(0x153), + 0x154 => array(0x155), + 0x156 => array(0x157), + 0x158 => array(0x159), + 0x15A => array(0x15B), + 0x15C => array(0x15D), + 0x15E => array(0x15F), + 0x160 => array(0x161), + 0x162 => array(0x163), + 0x164 => array(0x165), + 0x166 => array(0x167), + 0x168 => array(0x169), + 0x16A => array(0x16B), + 0x16C => array(0x16D), + 0x16E => array(0x16F), + 0x170 => array(0x171), + 0x172 => array(0x173), + 0x174 => array(0x175), + 0x176 => array(0x177), + 0x178 => array(0xFF), + 0x179 => array(0x17A), + 0x17B => array(0x17C), + 0x17D => array(0x17E), + 0x17F => array(0x73), + 0x181 => array(0x253), + 0x182 => array(0x183), + 0x184 => array(0x185), + 0x186 => array(0x254), + 0x187 => array(0x188), + 0x189 => array(0x256), + 0x18A => array(0x257), + 0x18B => array(0x18C), + 0x18E => array(0x1DD), + 0x18F => array(0x259), + 0x190 => array(0x25B), + 0x191 => array(0x192), + 0x193 => array(0x260), + 0x194 => array(0x263), + 0x196 => array(0x269), + 0x197 => array(0x268), + 0x198 => array(0x199), + 0x19C => array(0x26F), + 0x19D => array(0x272), + 0x19F => array(0x275), + 0x1A0 => array(0x1A1), + 0x1A2 => array(0x1A3), + 0x1A4 => array(0x1A5), + 0x1A6 => array(0x280), + 0x1A7 => array(0x1A8), + 0x1A9 => array(0x283), + 0x1AC => array(0x1AD), + 0x1AE => array(0x288), + 0x1AF => array(0x1B0), + 0x1B1 => array(0x28A), + 0x1B2 => array(0x28B), + 0x1B3 => array(0x1B4), + 0x1B5 => array(0x1B6), + 0x1B7 => array(0x292), + 0x1B8 => array(0x1B9), + 0x1BC => array(0x1BD), + 0x1C4 => array(0x1C6), + 0x1C5 => array(0x1C6), + 0x1C7 => array(0x1C9), + 0x1C8 => array(0x1C9), + 0x1CA => array(0x1CC), + 0x1CB => array(0x1CC), + 0x1CD => array(0x1CE), + 0x1CF => array(0x1D0), + 0x1D1 => array(0x1D2), + 0x1D3 => array(0x1D4), + 0x1D5 => array(0x1D6), + 0x1D7 => array(0x1D8), + 0x1D9 => array(0x1DA), + 0x1DB => array(0x1DC), + 0x1DE => array(0x1DF), + 0x1E0 => array(0x1E1), + 0x1E2 => array(0x1E3), + 0x1E4 => array(0x1E5), + 0x1E6 => array(0x1E7), + 0x1E8 => array(0x1E9), + 0x1EA => array(0x1EB), + 0x1EC => array(0x1ED), + 0x1EE => array(0x1EF), + 0x1F0 => array(0x6A, 0x30C), + 0x1F1 => array(0x1F3), + 0x1F2 => array(0x1F3), + 0x1F4 => array(0x1F5), + 0x1F6 => array(0x195), + 0x1F7 => array(0x1BF), + 0x1F8 => array(0x1F9), + 0x1FA => array(0x1FB), + 0x1FC => array(0x1FD), + 0x1FE => array(0x1FF), + 0x200 => array(0x201), + 0x202 => array(0x203), + 0x204 => array(0x205), + 0x206 => array(0x207), + 0x208 => array(0x209), + 0x20A => array(0x20B), + 0x20C => array(0x20D), + 0x20E => array(0x20F), + 0x210 => array(0x211), + 0x212 => array(0x213), + 0x214 => array(0x215), + 0x216 => array(0x217), + 0x218 => array(0x219), + 0x21A => array(0x21B), + 0x21C => array(0x21D), + 0x21E => array(0x21F), + 0x220 => array(0x19E), + 0x222 => array(0x223), + 0x224 => array(0x225), + 0x226 => array(0x227), + 0x228 => array(0x229), + 0x22A => array(0x22B), + 0x22C => array(0x22D), + 0x22E => array(0x22F), + 0x230 => array(0x231), + 0x232 => array(0x233), + 0x345 => array(0x3B9), + 0x37A => array(0x20, 0x3B9), + 0x386 => array(0x3AC), + 0x388 => array(0x3AD), + 0x389 => array(0x3AE), + 0x38A => array(0x3AF), + 0x38C => array(0x3CC), + 0x38E => array(0x3CD), + 0x38F => array(0x3CE), + 0x390 => array(0x3B9, 0x308, 0x301), + 0x391 => array(0x3B1), + 0x392 => array(0x3B2), + 0x393 => array(0x3B3), + 0x394 => array(0x3B4), + 0x395 => array(0x3B5), + 0x396 => array(0x3B6), + 0x397 => array(0x3B7), + 0x398 => array(0x3B8), + 0x399 => array(0x3B9), + 0x39A => array(0x3BA), + 0x39B => array(0x3BB), + 0x39C => array(0x3BC), + 0x39D => array(0x3BD), + 0x39E => array(0x3BE), + 0x39F => array(0x3BF), + 0x3A0 => array(0x3C0), + 0x3A1 => array(0x3C1), + 0x3A3 => array(0x3C3), + 0x3A4 => array(0x3C4), + 0x3A5 => array(0x3C5), + 0x3A6 => array(0x3C6), + 0x3A7 => array(0x3C7), + 0x3A8 => array(0x3C8), + 0x3A9 => array(0x3C9), + 0x3AA => array(0x3CA), + 0x3AB => array(0x3CB), + 0x3B0 => array(0x3C5, 0x308, 0x301), + 0x3C2 => array(0x3C3), + 0x3D0 => array(0x3B2), + 0x3D1 => array(0x3B8), + 0x3D2 => array(0x3C5), + 0x3D3 => array(0x3CD), + 0x3D4 => array(0x3CB), + 0x3D5 => array(0x3C6), + 0x3D6 => array(0x3C0), + 0x3D8 => array(0x3D9), + 0x3DA => array(0x3DB), + 0x3DC => array(0x3DD), + 0x3DE => array(0x3DF), + 0x3E0 => array(0x3E1), + 0x3E2 => array(0x3E3), + 0x3E4 => array(0x3E5), + 0x3E6 => array(0x3E7), + 0x3E8 => array(0x3E9), + 0x3EA => array(0x3EB), + 0x3EC => array(0x3ED), + 0x3EE => array(0x3EF), + 0x3F0 => array(0x3BA), + 0x3F1 => array(0x3C1), + 0x3F2 => array(0x3C3), + 0x3F4 => array(0x3B8), + 0x3F5 => array(0x3B5), + 0x400 => array(0x450), + 0x401 => array(0x451), + 0x402 => array(0x452), + 0x403 => array(0x453), + 0x404 => array(0x454), + 0x405 => array(0x455), + 0x406 => array(0x456), + 0x407 => array(0x457), + 0x408 => array(0x458), + 0x409 => array(0x459), + 0x40A => array(0x45A), + 0x40B => array(0x45B), + 0x40C => array(0x45C), + 0x40D => array(0x45D), + 0x40E => array(0x45E), + 0x40F => array(0x45F), + 0x410 => array(0x430), + 0x411 => array(0x431), + 0x412 => array(0x432), + 0x413 => array(0x433), + 0x414 => array(0x434), + 0x415 => array(0x435), + 0x416 => array(0x436), + 0x417 => array(0x437), + 0x418 => array(0x438), + 0x419 => array(0x439), + 0x41A => array(0x43A), + 0x41B => array(0x43B), + 0x41C => array(0x43C), + 0x41D => array(0x43D), + 0x41E => array(0x43E), + 0x41F => array(0x43F), + 0x420 => array(0x440), + 0x421 => array(0x441), + 0x422 => array(0x442), + 0x423 => array(0x443), + 0x424 => array(0x444), + 0x425 => array(0x445), + 0x426 => array(0x446), + 0x427 => array(0x447), + 0x428 => array(0x448), + 0x429 => array(0x449), + 0x42A => array(0x44A), + 0x42B => array(0x44B), + 0x42C => array(0x44C), + 0x42D => array(0x44D), + 0x42E => array(0x44E), + 0x42F => array(0x44F), + 0x460 => array(0x461), + 0x462 => array(0x463), + 0x464 => array(0x465), + 0x466 => array(0x467), + 0x468 => array(0x469), + 0x46A => array(0x46B), + 0x46C => array(0x46D), + 0x46E => array(0x46F), + 0x470 => array(0x471), + 0x472 => array(0x473), + 0x474 => array(0x475), + 0x476 => array(0x477), + 0x478 => array(0x479), + 0x47A => array(0x47B), + 0x47C => array(0x47D), + 0x47E => array(0x47F), + 0x480 => array(0x481), + 0x48A => array(0x48B), + 0x48C => array(0x48D), + 0x48E => array(0x48F), + 0x490 => array(0x491), + 0x492 => array(0x493), + 0x494 => array(0x495), + 0x496 => array(0x497), + 0x498 => array(0x499), + 0x49A => array(0x49B), + 0x49C => 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0x1FEB => array(0x1F7B), + 0x1FEC => array(0x1FE5), + 0x1FF2 => array(0x1F7C, 0x3B9), + 0x1FF3 => array(0x3C9, 0x3B9), + 0x1FF4 => array(0x3CE, 0x3B9), + 0x1FF6 => array(0x3C9, 0x342), + 0x1FF7 => array(0x3C9, 0x342, 0x3B9), + 0x1FF8 => array(0x1F78), + 0x1FF9 => array(0x1F79), + 0x1FFA => array(0x1F7C), + 0x1FFB => array(0x1F7D), + 0x1FFC => array(0x3C9, 0x3B9), + 0x20A8 => array(0x72, 0x73), + 0x2102 => array(0x63), + 0x2103 => array(0xB0, 0x63), + 0x2107 => array(0x25B), + 0x2109 => array(0xB0, 0x66), + 0x210B => array(0x68), + 0x210C => array(0x68), + 0x210D => array(0x68), + 0x2110 => array(0x69), + 0x2111 => array(0x69), + 0x2112 => array(0x6C), + 0x2115 => array(0x6E), + 0x2116 => array(0x6E, 0x6F), + 0x2119 => array(0x70), + 0x211A => array(0x71), + 0x211B => array(0x72), + 0x211C => array(0x72), + 0x211D => array(0x72), + 0x2120 => array(0x73, 0x6D), + 0x2121 => array(0x74, 0x65, 0x6C), + 0x2122 => array(0x74, 0x6D), + 0x2124 => array(0x7A), + 0x2126 => array(0x3C9), + 0x2128 => array(0x7A), + 0x212A => array(0x6B), + 0x212B => array(0xE5), + 0x212C => array(0x62), + 0x212D => array(0x63), + 0x2130 => array(0x65), + 0x2131 => array(0x66), + 0x2133 => array(0x6D), + 0x213E => array(0x3B3), + 0x213F => array(0x3C0), + 0x2145 => array(0x64), + 0x2160 => array(0x2170), + 0x2161 => array(0x2171), + 0x2162 => array(0x2172), + 0x2163 => array(0x2173), + 0x2164 => array(0x2174), + 0x2165 => array(0x2175), + 0x2166 => array(0x2176), + 0x2167 => array(0x2177), + 0x2168 => array(0x2178), + 0x2169 => array(0x2179), + 0x216A => array(0x217A), + 0x216B => array(0x217B), + 0x216C => array(0x217C), + 0x216D => array(0x217D), + 0x216E => array(0x217E), + 0x216F => array(0x217F), + 0x24B6 => array(0x24D0), + 0x24B7 => array(0x24D1), + 0x24B8 => array(0x24D2), + 0x24B9 => array(0x24D3), + 0x24BA => array(0x24D4), + 0x24BB => array(0x24D5), + 0x24BC => array(0x24D6), + 0x24BD => array(0x24D7), + 0x24BE => array(0x24D8), + 0x24BF => array(0x24D9), + 0x24C0 => array(0x24DA), + 0x24C1 => array(0x24DB), + 0x24C2 => array(0x24DC), + 0x24C3 => array(0x24DD), + 0x24C4 => array(0x24DE), + 0x24C5 => array(0x24DF), + 0x24C6 => array(0x24E0), + 0x24C7 => array(0x24E1), + 0x24C8 => array(0x24E2), + 0x24C9 => array(0x24E3), + 0x24CA => array(0x24E4), + 0x24CB => array(0x24E5), + 0x24CC => array(0x24E6), + 0x24CD => array(0x24E7), + 0x24CE => array(0x24E8), + 0x24CF => array(0x24E9), + 0x3371 => array(0x68, 0x70, 0x61), + 0x3373 => array(0x61, 0x75), + 0x3375 => array(0x6F, 0x76), + 0x3380 => array(0x70, 0x61), + 0x3381 => array(0x6E, 0x61), + 0x3382 => array(0x3BC, 0x61), + 0x3383 => array(0x6D, 0x61), + 0x3384 => array(0x6B, 0x61), + 0x3385 => array(0x6B, 0x62), + 0x3386 => array(0x6D, 0x62), + 0x3387 => array(0x67, 0x62), + 0x338A => array(0x70, 0x66), + 0x338B => array(0x6E, 0x66), + 0x338C => array(0x3BC, 0x66), + 0x3390 => array(0x68, 0x7A), + 0x3391 => array(0x6B, 0x68, 0x7A), + 0x3392 => array(0x6D, 0x68, 0x7A), + 0x3393 => array(0x67, 0x68, 0x7A), + 0x3394 => array(0x74, 0x68, 0x7A), + 0x33A9 => array(0x70, 0x61), + 0x33AA => array(0x6B, 0x70, 0x61), + 0x33AB => array(0x6D, 0x70, 0x61), + 0x33AC => array(0x67, 0x70, 0x61), + 0x33B4 => array(0x70, 0x76), + 0x33B5 => array(0x6E, 0x76), + 0x33B6 => array(0x3BC, 0x76), + 0x33B7 => array(0x6D, 0x76), + 0x33B8 => array(0x6B, 0x76), + 0x33B9 => array(0x6D, 0x76), + 0x33BA => array(0x70, 0x77), + 0x33BB => array(0x6E, 0x77), + 0x33BC => array(0x3BC, 0x77), + 0x33BD => array(0x6D, 0x77), + 0x33BE => array(0x6B, 0x77), + 0x33BF => array(0x6D, 0x77), + 0x33C0 => array(0x6B, 0x3C9), + 0x33C1 => array(0x6D, 0x3C9), /* + 0x33C2 => array(0x61, 0x2E, 0x6D, 0x2E), */ + 0x33C3 => array(0x62, 0x71), + 0x33C6 => array(0x63, 0x2215, 0x6B, 0x67), + 0x33C7 => array(0x63, 0x6F, 0x2E), + 0x33C8 => array(0x64, 0x62), + 0x33C9 => array(0x67, 0x79), + 0x33CB => array(0x68, 0x70), + 0x33CD => array(0x6B, 0x6B), + 0x33CE => array(0x6B, 0x6D), + 0x33D7 => array(0x70, 0x68), + 0x33D9 => array(0x70, 0x70, 0x6D), + 0x33DA => array(0x70, 0x72), + 0x33DC => array(0x73, 0x76), + 0x33DD => array(0x77, 0x62), + 0xFB00 => array(0x66, 0x66), + 0xFB01 => array(0x66, 0x69), + 0xFB02 => array(0x66, 0x6C), + 0xFB03 => array(0x66, 0x66, 0x69), + 0xFB04 => array(0x66, 0x66, 0x6C), + 0xFB05 => array(0x73, 0x74), + 0xFB06 => array(0x73, 0x74), + 0xFB13 => array(0x574, 0x576), + 0xFB14 => array(0x574, 0x565), + 0xFB15 => array(0x574, 0x56B), + 0xFB16 => array(0x57E, 0x576), + 0xFB17 => array(0x574, 0x56D), + 0xFF21 => array(0xFF41), + 0xFF22 => array(0xFF42), + 0xFF23 => array(0xFF43), + 0xFF24 => array(0xFF44), + 0xFF25 => array(0xFF45), + 0xFF26 => array(0xFF46), + 0xFF27 => array(0xFF47), + 0xFF28 => array(0xFF48), + 0xFF29 => array(0xFF49), + 0xFF2A => array(0xFF4A), + 0xFF2B => array(0xFF4B), + 0xFF2C => array(0xFF4C), + 0xFF2D => array(0xFF4D), + 0xFF2E => array(0xFF4E), + 0xFF2F => array(0xFF4F), + 0xFF30 => array(0xFF50), + 0xFF31 => array(0xFF51), + 0xFF32 => array(0xFF52), + 0xFF33 => array(0xFF53), + 0xFF34 => array(0xFF54), + 0xFF35 => array(0xFF55), + 0xFF36 => array(0xFF56), + 0xFF37 => array(0xFF57), + 0xFF38 => array(0xFF58), + 0xFF39 => array(0xFF59), + 0xFF3A => array(0xFF5A), + 0x10400 => array(0x10428), + 0x10401 => array(0x10429), + 0x10402 => array(0x1042A), + 0x10403 => array(0x1042B), + 0x10404 => array(0x1042C), + 0x10405 => array(0x1042D), + 0x10406 => array(0x1042E), + 0x10407 => array(0x1042F), + 0x10408 => array(0x10430), + 0x10409 => array(0x10431), + 0x1040A => array(0x10432), + 0x1040B => array(0x10433), + 0x1040C => array(0x10434), + 0x1040D => array(0x10435), + 0x1040E => array(0x10436), + 0x1040F => array(0x10437), + 0x10410 => array(0x10438), + 0x10411 => array(0x10439), + 0x10412 => array(0x1043A), + 0x10413 => array(0x1043B), + 0x10414 => array(0x1043C), + 0x10415 => array(0x1043D), + 0x10416 => array(0x1043E), + 0x10417 => array(0x1043F), + 0x10418 => array(0x10440), + 0x10419 => array(0x10441), + 0x1041A => array(0x10442), + 0x1041B => array(0x10443), + 0x1041C => array(0x10444), + 0x1041D => array(0x10445), + 0x1041E => array(0x10446), + 0x1041F => array(0x10447), + 0x10420 => array(0x10448), + 0x10421 => array(0x10449), + 0x10422 => array(0x1044A), + 0x10423 => array(0x1044B), + 0x10424 => array(0x1044C), + 0x10425 => array(0x1044D), + 0x1D400 => array(0x61), + 0x1D401 => array(0x62), + 0x1D402 => array(0x63), + 0x1D403 => array(0x64), + 0x1D404 => array(0x65), + 0x1D405 => array(0x66), + 0x1D406 => array(0x67), + 0x1D407 => array(0x68), + 0x1D408 => array(0x69), + 0x1D409 => array(0x6A), + 0x1D40A => array(0x6B), + 0x1D40B => array(0x6C), + 0x1D40C => array(0x6D), + 0x1D40D => array(0x6E), + 0x1D40E => array(0x6F), + 0x1D40F => array(0x70), + 0x1D410 => array(0x71), + 0x1D411 => array(0x72), + 0x1D412 => array(0x73), + 0x1D413 => array(0x74), + 0x1D414 => array(0x75), + 0x1D415 => array(0x76), + 0x1D416 => array(0x77), + 0x1D417 => array(0x78), + 0x1D418 => array(0x79), + 0x1D419 => array(0x7A), + 0x1D434 => array(0x61), + 0x1D435 => array(0x62), + 0x1D436 => array(0x63), + 0x1D437 => array(0x64), + 0x1D438 => array(0x65), + 0x1D439 => array(0x66), + 0x1D43A => array(0x67), + 0x1D43B => array(0x68), + 0x1D43C => array(0x69), + 0x1D43D => array(0x6A), + 0x1D43E => array(0x6B), + 0x1D43F => array(0x6C), + 0x1D440 => array(0x6D), + 0x1D441 => array(0x6E), + 0x1D442 => array(0x6F), + 0x1D443 => array(0x70), + 0x1D444 => array(0x71), + 0x1D445 => array(0x72), + 0x1D446 => array(0x73), + 0x1D447 => array(0x74), + 0x1D448 => array(0x75), + 0x1D449 => array(0x76), + 0x1D44A => array(0x77), + 0x1D44B => array(0x78), + 0x1D44C => array(0x79), + 0x1D44D => array(0x7A), + 0x1D468 => array(0x61), + 0x1D469 => array(0x62), + 0x1D46A => array(0x63), + 0x1D46B => array(0x64), + 0x1D46C => array(0x65), + 0x1D46D => array(0x66), + 0x1D46E => array(0x67), + 0x1D46F => array(0x68), + 0x1D470 => array(0x69), + 0x1D471 => array(0x6A), + 0x1D472 => array(0x6B), + 0x1D473 => array(0x6C), + 0x1D474 => array(0x6D), + 0x1D475 => array(0x6E), + 0x1D476 => array(0x6F), + 0x1D477 => array(0x70), + 0x1D478 => array(0x71), + 0x1D479 => array(0x72), + 0x1D47A => array(0x73), + 0x1D47B => array(0x74), + 0x1D47C => array(0x75), + 0x1D47D => array(0x76), + 0x1D47E => array(0x77), + 0x1D47F => array(0x78), + 0x1D480 => array(0x79), + 0x1D481 => array(0x7A), + 0x1D49C => array(0x61), + 0x1D49E => array(0x63), + 0x1D49F => array(0x64), + 0x1D4A2 => array(0x67), + 0x1D4A5 => array(0x6A), + 0x1D4A6 => array(0x6B), + 0x1D4A9 => array(0x6E), + 0x1D4AA => array(0x6F), + 0x1D4AB => array(0x70), + 0x1D4AC => array(0x71), + 0x1D4AE => array(0x73), + 0x1D4AF => array(0x74), + 0x1D4B0 => array(0x75), + 0x1D4B1 => array(0x76), + 0x1D4B2 => array(0x77), + 0x1D4B3 => array(0x78), + 0x1D4B4 => array(0x79), + 0x1D4B5 => array(0x7A), + 0x1D4D0 => array(0x61), + 0x1D4D1 => array(0x62), + 0x1D4D2 => array(0x63), + 0x1D4D3 => array(0x64), + 0x1D4D4 => array(0x65), + 0x1D4D5 => array(0x66), + 0x1D4D6 => array(0x67), + 0x1D4D7 => array(0x68), + 0x1D4D8 => array(0x69), + 0x1D4D9 => array(0x6A), + 0x1D4DA => array(0x6B), + 0x1D4DB => array(0x6C), + 0x1D4DC => array(0x6D), + 0x1D4DD => array(0x6E), + 0x1D4DE => array(0x6F), + 0x1D4DF => array(0x70), + 0x1D4E0 => array(0x71), + 0x1D4E1 => array(0x72), + 0x1D4E2 => array(0x73), + 0x1D4E3 => array(0x74), + 0x1D4E4 => array(0x75), + 0x1D4E5 => array(0x76), + 0x1D4E6 => array(0x77), + 0x1D4E7 => array(0x78), + 0x1D4E8 => array(0x79), + 0x1D4E9 => array(0x7A), + 0x1D504 => array(0x61), + 0x1D505 => array(0x62), + 0x1D507 => array(0x64), + 0x1D508 => array(0x65), + 0x1D509 => array(0x66), + 0x1D50A => array(0x67), + 0x1D50D => array(0x6A), + 0x1D50E => array(0x6B), + 0x1D50F => array(0x6C), + 0x1D510 => array(0x6D), + 0x1D511 => array(0x6E), + 0x1D512 => array(0x6F), + 0x1D513 => array(0x70), + 0x1D514 => array(0x71), + 0x1D516 => array(0x73), + 0x1D517 => array(0x74), + 0x1D518 => array(0x75), + 0x1D519 => array(0x76), + 0x1D51A => array(0x77), + 0x1D51B => array(0x78), + 0x1D51C => array(0x79), + 0x1D538 => array(0x61), + 0x1D539 => array(0x62), + 0x1D53B => array(0x64), + 0x1D53C => array(0x65), + 0x1D53D => array(0x66), + 0x1D53E => array(0x67), + 0x1D540 => array(0x69), + 0x1D541 => array(0x6A), + 0x1D542 => array(0x6B), + 0x1D543 => array(0x6C), + 0x1D544 => array(0x6D), + 0x1D546 => array(0x6F), + 0x1D54A => array(0x73), + 0x1D54B => array(0x74), + 0x1D54C => array(0x75), + 0x1D54D => array(0x76), + 0x1D54E => array(0x77), + 0x1D54F => array(0x78), + 0x1D550 => array(0x79), + 0x1D56C => array(0x61), + 0x1D56D => array(0x62), + 0x1D56E => array(0x63), + 0x1D56F => array(0x64), + 0x1D570 => array(0x65), + 0x1D571 => array(0x66), + 0x1D572 => array(0x67), + 0x1D573 => array(0x68), + 0x1D574 => array(0x69), + 0x1D575 => array(0x6A), + 0x1D576 => array(0x6B), + 0x1D577 => array(0x6C), + 0x1D578 => array(0x6D), + 0x1D579 => array(0x6E), + 0x1D57A => array(0x6F), + 0x1D57B => array(0x70), + 0x1D57C => array(0x71), + 0x1D57D => array(0x72), + 0x1D57E => array(0x73), + 0x1D57F => array(0x74), + 0x1D580 => array(0x75), + 0x1D581 => array(0x76), + 0x1D582 => array(0x77), + 0x1D583 => array(0x78), + 0x1D584 => array(0x79), + 0x1D585 => array(0x7A), + 0x1D5A0 => array(0x61), + 0x1D5A1 => array(0x62), + 0x1D5A2 => array(0x63), + 0x1D5A3 => array(0x64), + 0x1D5A4 => array(0x65), + 0x1D5A5 => array(0x66), + 0x1D5A6 => array(0x67), + 0x1D5A7 => array(0x68), + 0x1D5A8 => array(0x69), + 0x1D5A9 => array(0x6A), + 0x1D5AA => array(0x6B), + 0x1D5AB => array(0x6C), + 0x1D5AC => array(0x6D), + 0x1D5AD => array(0x6E), + 0x1D5AE => array(0x6F), + 0x1D5AF => array(0x70), + 0x1D5B0 => array(0x71), + 0x1D5B1 => array(0x72), + 0x1D5B2 => array(0x73), + 0x1D5B3 => array(0x74), + 0x1D5B4 => array(0x75), + 0x1D5B5 => array(0x76), + 0x1D5B6 => array(0x77), + 0x1D5B7 => array(0x78), + 0x1D5B8 => array(0x79), + 0x1D5B9 => array(0x7A), + 0x1D5D4 => array(0x61), + 0x1D5D5 => array(0x62), + 0x1D5D6 => array(0x63), + 0x1D5D7 => array(0x64), + 0x1D5D8 => array(0x65), + 0x1D5D9 => array(0x66), + 0x1D5DA => array(0x67), + 0x1D5DB => array(0x68), + 0x1D5DC => array(0x69), + 0x1D5DD => array(0x6A), + 0x1D5DE => array(0x6B), + 0x1D5DF => array(0x6C), + 0x1D5E0 => array(0x6D), + 0x1D5E1 => array(0x6E), + 0x1D5E2 => array(0x6F), + 0x1D5E3 => array(0x70), + 0x1D5E4 => array(0x71), + 0x1D5E5 => array(0x72), + 0x1D5E6 => array(0x73), + 0x1D5E7 => array(0x74), + 0x1D5E8 => array(0x75), + 0x1D5E9 => array(0x76), + 0x1D5EA => array(0x77), + 0x1D5EB => array(0x78), + 0x1D5EC => array(0x79), + 0x1D5ED => array(0x7A), + 0x1D608 => array(0x61), + 0x1D609 => array(0x62), + 0x1D60A => array(0x63), + 0x1D60B => array(0x64), + 0x1D60C => array(0x65), + 0x1D60D => array(0x66), + 0x1D60E => array(0x67), + 0x1D60F => array(0x68), + 0x1D610 => array(0x69), + 0x1D611 => array(0x6A), + 0x1D612 => array(0x6B), + 0x1D613 => array(0x6C), + 0x1D614 => array(0x6D), + 0x1D615 => array(0x6E), + 0x1D616 => array(0x6F), + 0x1D617 => array(0x70), + 0x1D618 => array(0x71), + 0x1D619 => array(0x72), + 0x1D61A => array(0x73), + 0x1D61B => array(0x74), + 0x1D61C => array(0x75), + 0x1D61D => array(0x76), + 0x1D61E => array(0x77), + 0x1D61F => array(0x78), + 0x1D620 => array(0x79), + 0x1D621 => array(0x7A), + 0x1D63C => array(0x61), + 0x1D63D => array(0x62), + 0x1D63E => array(0x63), + 0x1D63F => array(0x64), + 0x1D640 => array(0x65), + 0x1D641 => array(0x66), + 0x1D642 => array(0x67), + 0x1D643 => array(0x68), + 0x1D644 => array(0x69), + 0x1D645 => array(0x6A), + 0x1D646 => array(0x6B), + 0x1D647 => array(0x6C), + 0x1D648 => array(0x6D), + 0x1D649 => array(0x6E), + 0x1D64A => array(0x6F), + 0x1D64B => array(0x70), + 0x1D64C => array(0x71), + 0x1D64D => array(0x72), + 0x1D64E => array(0x73), + 0x1D64F => array(0x74), + 0x1D650 => array(0x75), + 0x1D651 => array(0x76), + 0x1D652 => array(0x77), + 0x1D653 => array(0x78), + 0x1D654 => array(0x79), + 0x1D655 => array(0x7A), + 0x1D670 => array(0x61), + 0x1D671 => array(0x62), + 0x1D672 => array(0x63), + 0x1D673 => array(0x64), + 0x1D674 => array(0x65), + 0x1D675 => array(0x66), + 0x1D676 => array(0x67), + 0x1D677 => array(0x68), + 0x1D678 => array(0x69), + 0x1D679 => array(0x6A), + 0x1D67A => array(0x6B), + 0x1D67B => array(0x6C), + 0x1D67C => array(0x6D), + 0x1D67D => array(0x6E), + 0x1D67E => array(0x6F), + 0x1D67F => array(0x70), + 0x1D680 => array(0x71), + 0x1D681 => array(0x72), + 0x1D682 => array(0x73), + 0x1D683 => array(0x74), + 0x1D684 => array(0x75), + 0x1D685 => array(0x76), + 0x1D686 => array(0x77), + 0x1D687 => array(0x78), + 0x1D688 => array(0x79), + 0x1D689 => array(0x7A), + 0x1D6A8 => array(0x3B1), + 0x1D6A9 => array(0x3B2), + 0x1D6AA => array(0x3B3), + 0x1D6AB => array(0x3B4), + 0x1D6AC => array(0x3B5), + 0x1D6AD => array(0x3B6), + 0x1D6AE => array(0x3B7), + 0x1D6AF => array(0x3B8), + 0x1D6B0 => array(0x3B9), + 0x1D6B1 => array(0x3BA), + 0x1D6B2 => array(0x3BB), + 0x1D6B3 => array(0x3BC), + 0x1D6B4 => array(0x3BD), + 0x1D6B5 => array(0x3BE), + 0x1D6B6 => array(0x3BF), + 0x1D6B7 => array(0x3C0), + 0x1D6B8 => array(0x3C1), + 0x1D6B9 => array(0x3B8), + 0x1D6BA => array(0x3C3), + 0x1D6BB => array(0x3C4), + 0x1D6BC => array(0x3C5), + 0x1D6BD => array(0x3C6), + 0x1D6BE => array(0x3C7), + 0x1D6BF => array(0x3C8), + 0x1D6C0 => array(0x3C9), + 0x1D6D3 => array(0x3C3), + 0x1D6E2 => array(0x3B1), + 0x1D6E3 => array(0x3B2), + 0x1D6E4 => array(0x3B3), + 0x1D6E5 => array(0x3B4), + 0x1D6E6 => array(0x3B5), + 0x1D6E7 => array(0x3B6), + 0x1D6E8 => array(0x3B7), + 0x1D6E9 => array(0x3B8), + 0x1D6EA => array(0x3B9), + 0x1D6EB => array(0x3BA), + 0x1D6EC => array(0x3BB), + 0x1D6ED => array(0x3BC), + 0x1D6EE => array(0x3BD), + 0x1D6EF => array(0x3BE), + 0x1D6F0 => array(0x3BF), + 0x1D6F1 => array(0x3C0), + 0x1D6F2 => array(0x3C1), + 0x1D6F3 => array(0x3B8), + 0x1D6F4 => array(0x3C3), + 0x1D6F5 => array(0x3C4), + 0x1D6F6 => array(0x3C5), + 0x1D6F7 => array(0x3C6), + 0x1D6F8 => array(0x3C7), + 0x1D6F9 => array(0x3C8), + 0x1D6FA => array(0x3C9), + 0x1D70D => array(0x3C3), + 0x1D71C => array(0x3B1), + 0x1D71D => array(0x3B2), + 0x1D71E => array(0x3B3), + 0x1D71F => array(0x3B4), + 0x1D720 => array(0x3B5), + 0x1D721 => array(0x3B6), + 0x1D722 => array(0x3B7), + 0x1D723 => array(0x3B8), + 0x1D724 => array(0x3B9), + 0x1D725 => array(0x3BA), + 0x1D726 => array(0x3BB), + 0x1D727 => array(0x3BC), + 0x1D728 => array(0x3BD), + 0x1D729 => array(0x3BE), + 0x1D72A => array(0x3BF), + 0x1D72B => array(0x3C0), + 0x1D72C => array(0x3C1), + 0x1D72D => array(0x3B8), + 0x1D72E => array(0x3C3), + 0x1D72F => array(0x3C4), + 0x1D730 => array(0x3C5), + 0x1D731 => array(0x3C6), + 0x1D732 => array(0x3C7), + 0x1D733 => array(0x3C8), + 0x1D734 => array(0x3C9), + 0x1D747 => array(0x3C3), + 0x1D756 => array(0x3B1), + 0x1D757 => array(0x3B2), + 0x1D758 => array(0x3B3), + 0x1D759 => array(0x3B4), + 0x1D75A => array(0x3B5), + 0x1D75B => array(0x3B6), + 0x1D75C => array(0x3B7), + 0x1D75D => array(0x3B8), + 0x1D75E => array(0x3B9), + 0x1D75F => array(0x3BA), + 0x1D760 => array(0x3BB), + 0x1D761 => array(0x3BC), + 0x1D762 => array(0x3BD), + 0x1D763 => array(0x3BE), + 0x1D764 => array(0x3BF), + 0x1D765 => array(0x3C0), + 0x1D766 => array(0x3C1), + 0x1D767 => array(0x3B8), + 0x1D768 => array(0x3C3), + 0x1D769 => array(0x3C4), + 0x1D76A => array(0x3C5), + 0x1D76B => array(0x3C6), + 0x1D76C => array(0x3C7), + 0x1D76D => array(0x3C8), + 0x1D76E => array(0x3C9), + 0x1D781 => array(0x3C3), + 0x1D790 => array(0x3B1), + 0x1D791 => array(0x3B2), + 0x1D792 => array(0x3B3), + 0x1D793 => array(0x3B4), + 0x1D794 => array(0x3B5), + 0x1D795 => array(0x3B6), + 0x1D796 => array(0x3B7), + 0x1D797 => array(0x3B8), + 0x1D798 => array(0x3B9), + 0x1D799 => array(0x3BA), + 0x1D79A => array(0x3BB), + 0x1D79B => array(0x3BC), + 0x1D79C => array(0x3BD), + 0x1D79D => array(0x3BE), + 0x1D79E => array(0x3BF), + 0x1D79F => array(0x3C0), + 0x1D7A0 => array(0x3C1), + 0x1D7A1 => array(0x3B8), + 0x1D7A2 => array(0x3C3), + 0x1D7A3 => array(0x3C4), + 0x1D7A4 => array(0x3C5), + 0x1D7A5 => array(0x3C6), + 0x1D7A6 => array(0x3C7), + 0x1D7A7 => array(0x3C8), + 0x1D7A8 => array(0x3C9), + 0x1D7BB => array(0x3C3), + 0x3F9 => array(0x3C3), + 0x1D2C => array(0x61), + 0x1D2D => array(0xE6), + 0x1D2E => array(0x62), + 0x1D30 => array(0x64), + 0x1D31 => array(0x65), + 0x1D32 => array(0x1DD), + 0x1D33 => array(0x67), + 0x1D34 => array(0x68), + 0x1D35 => array(0x69), + 0x1D36 => array(0x6A), + 0x1D37 => array(0x6B), + 0x1D38 => array(0x6C), + 0x1D39 => array(0x6D), + 0x1D3A => array(0x6E), + 0x1D3C => array(0x6F), + 0x1D3D => array(0x223), + 0x1D3E => array(0x70), + 0x1D3F => array(0x72), + 0x1D40 => array(0x74), + 0x1D41 => array(0x75), + 0x1D42 => array(0x77), + 0x213B => array(0x66, 0x61, 0x78), + 0x3250 => array(0x70, 0x74, 0x65), + 0x32CC => array(0x68, 0x67), + 0x32CE => array(0x65, 0x76), + 0x32CF => array(0x6C, 0x74, 0x64), + 0x337A => array(0x69, 0x75), + 0x33DE => array(0x76, 0x2215, 0x6D), + 0x33DF => array(0x61, 0x2215, 0x6D) + ); + + /** + * Normalization Combining Classes; Code Points not listed + * got Combining Class 0. + * + * @static + * @var array + * @access private + */ + private static $_np_norm_combcls = array( + 0x334 => 1, + 0x335 => 1, + 0x336 => 1, + 0x337 => 1, + 0x338 => 1, + 0x93C => 7, + 0x9BC => 7, + 0xA3C => 7, + 0xABC => 7, + 0xB3C => 7, + 0xCBC => 7, + 0x1037 => 7, + 0x3099 => 8, + 0x309A => 8, + 0x94D => 9, + 0x9CD => 9, + 0xA4D => 9, + 0xACD => 9, + 0xB4D => 9, + 0xBCD => 9, + 0xC4D => 9, + 0xCCD => 9, + 0xD4D => 9, + 0xDCA => 9, + 0xE3A => 9, + 0xF84 => 9, + 0x1039 => 9, + 0x1714 => 9, + 0x1734 => 9, + 0x17D2 => 9, + 0x5B0 => 10, + 0x5B1 => 11, + 0x5B2 => 12, + 0x5B3 => 13, + 0x5B4 => 14, + 0x5B5 => 15, + 0x5B6 => 16, + 0x5B7 => 17, + 0x5B8 => 18, + 0x5B9 => 19, + 0x5BB => 20, + 0x5Bc => 21, + 0x5BD => 22, + 0x5BF => 23, + 0x5C1 => 24, + 0x5C2 => 25, + 0xFB1E => 26, + 0x64B => 27, + 0x64C => 28, + 0x64D => 29, + 0x64E => 30, + 0x64F => 31, + 0x650 => 32, + 0x651 => 33, + 0x652 => 34, + 0x670 => 35, + 0x711 => 36, + 0xC55 => 84, + 0xC56 => 91, + 0xE38 => 103, + 0xE39 => 103, + 0xE48 => 107, + 0xE49 => 107, + 0xE4A => 107, + 0xE4B => 107, + 0xEB8 => 118, + 0xEB9 => 118, + 0xEC8 => 122, + 0xEC9 => 122, + 0xECA => 122, + 0xECB => 122, + 0xF71 => 129, + 0xF72 => 130, + 0xF7A => 130, + 0xF7B => 130, + 0xF7C => 130, + 0xF7D => 130, + 0xF80 => 130, + 0xF74 => 132, + 0x321 => 202, + 0x322 => 202, + 0x327 => 202, + 0x328 => 202, + 0x31B => 216, + 0xF39 => 216, + 0x1D165 => 216, + 0x1D166 => 216, + 0x1D16E => 216, + 0x1D16F => 216, + 0x1D170 => 216, + 0x1D171 => 216, + 0x1D172 => 216, + 0x302A => 218, + 0x316 => 220, + 0x317 => 220, + 0x318 => 220, + 0x319 => 220, + 0x31C => 220, + 0x31D => 220, + 0x31E => 220, + 0x31F => 220, + 0x320 => 220, + 0x323 => 220, + 0x324 => 220, + 0x325 => 220, + 0x326 => 220, + 0x329 => 220, + 0x32A => 220, + 0x32B => 220, + 0x32C => 220, + 0x32D => 220, + 0x32E => 220, + 0x32F => 220, + 0x330 => 220, + 0x331 => 220, + 0x332 => 220, + 0x333 => 220, + 0x339 => 220, + 0x33A => 220, + 0x33B => 220, + 0x33C => 220, + 0x347 => 220, + 0x348 => 220, + 0x349 => 220, + 0x34D => 220, + 0x34E => 220, + 0x353 => 220, + 0x354 => 220, + 0x355 => 220, + 0x356 => 220, + 0x591 => 220, + 0x596 => 220, + 0x59B => 220, + 0x5A3 => 220, + 0x5A4 => 220, + 0x5A5 => 220, + 0x5A6 => 220, + 0x5A7 => 220, + 0x5AA => 220, + 0x655 => 220, + 0x656 => 220, + 0x6E3 => 220, + 0x6EA => 220, + 0x6ED => 220, + 0x731 => 220, + 0x734 => 220, + 0x737 => 220, + 0x738 => 220, + 0x739 => 220, + 0x73B => 220, + 0x73C => 220, + 0x73E => 220, + 0x742 => 220, + 0x744 => 220, + 0x746 => 220, + 0x748 => 220, + 0x952 => 220, + 0xF18 => 220, + 0xF19 => 220, + 0xF35 => 220, + 0xF37 => 220, + 0xFC6 => 220, + 0x193B => 220, + 0x20E8 => 220, + 0x1D17B => 220, + 0x1D17C => 220, + 0x1D17D => 220, + 0x1D17E => 220, + 0x1D17F => 220, + 0x1D180 => 220, + 0x1D181 => 220, + 0x1D182 => 220, + 0x1D18A => 220, + 0x1D18B => 220, + 0x59A => 222, + 0x5AD => 222, + 0x1929 => 222, + 0x302D => 222, + 0x302E => 224, + 0x302F => 224, + 0x1D16D => 226, + 0x5AE => 228, + 0x18A9 => 228, + 0x302B => 228, + 0x300 => 230, + 0x301 => 230, + 0x302 => 230, + 0x303 => 230, + 0x304 => 230, + 0x305 => 230, + 0x306 => 230, + 0x307 => 230, + 0x308 => 230, + 0x309 => 230, + 0x30A => 230, + 0x30B => 230, + 0x30C => 230, + 0x30D => 230, + 0x30E => 230, + 0x30F => 230, + 0x310 => 230, + 0x311 => 230, + 0x312 => 230, + 0x313 => 230, + 0x314 => 230, + 0x33D => 230, + 0x33E => 230, + 0x33F => 230, + 0x340 => 230, + 0x341 => 230, + 0x342 => 230, + 0x343 => 230, + 0x344 => 230, + 0x346 => 230, + 0x34A => 230, + 0x34B => 230, + 0x34C => 230, + 0x350 => 230, + 0x351 => 230, + 0x352 => 230, + 0x357 => 230, + 0x363 => 230, + 0x364 => 230, + 0x365 => 230, + 0x366 => 230, + 0x367 => 230, + 0x368 => 230, + 0x369 => 230, + 0x36A => 230, + 0x36B => 230, + 0x36C => 230, + 0x36D => 230, + 0x36E => 230, + 0x36F => 230, + 0x483 => 230, + 0x484 => 230, + 0x485 => 230, + 0x486 => 230, + 0x592 => 230, + 0x593 => 230, + 0x594 => 230, + 0x595 => 230, + 0x597 => 230, + 0x598 => 230, + 0x599 => 230, + 0x59C => 230, + 0x59D => 230, + 0x59E => 230, + 0x59F => 230, + 0x5A0 => 230, + 0x5A1 => 230, + 0x5A8 => 230, + 0x5A9 => 230, + 0x5AB => 230, + 0x5AC => 230, + 0x5AF => 230, + 0x5C4 => 230, + 0x610 => 230, + 0x611 => 230, + 0x612 => 230, + 0x613 => 230, + 0x614 => 230, + 0x615 => 230, + 0x653 => 230, + 0x654 => 230, + 0x657 => 230, + 0x658 => 230, + 0x6D6 => 230, + 0x6D7 => 230, + 0x6D8 => 230, + 0x6D9 => 230, + 0x6DA => 230, + 0x6DB => 230, + 0x6DC => 230, + 0x6DF => 230, + 0x6E0 => 230, + 0x6E1 => 230, + 0x6E2 => 230, + 0x6E4 => 230, + 0x6E7 => 230, + 0x6E8 => 230, + 0x6EB => 230, + 0x6EC => 230, + 0x730 => 230, + 0x732 => 230, + 0x733 => 230, + 0x735 => 230, + 0x736 => 230, + 0x73A => 230, + 0x73D => 230, + 0x73F => 230, + 0x740 => 230, + 0x741 => 230, + 0x743 => 230, + 0x745 => 230, + 0x747 => 230, + 0x749 => 230, + 0x74A => 230, + 0x951 => 230, + 0x953 => 230, + 0x954 => 230, + 0xF82 => 230, + 0xF83 => 230, + 0xF86 => 230, + 0xF87 => 230, + 0x170D => 230, + 0x193A => 230, + 0x20D0 => 230, + 0x20D1 => 230, + 0x20D4 => 230, + 0x20D5 => 230, + 0x20D6 => 230, + 0x20D7 => 230, + 0x20DB => 230, + 0x20DC => 230, + 0x20E1 => 230, + 0x20E7 => 230, + 0x20E9 => 230, + 0xFE20 => 230, + 0xFE21 => 230, + 0xFE22 => 230, + 0xFE23 => 230, + 0x1D185 => 230, + 0x1D186 => 230, + 0x1D187 => 230, + 0x1D189 => 230, + 0x1D188 => 230, + 0x1D1AA => 230, + 0x1D1AB => 230, + 0x1D1AC => 230, + 0x1D1AD => 230, + 0x315 => 232, + 0x31A => 232, + 0x302C => 232, + 0x35F => 233, + 0x362 => 233, + 0x35D => 234, + 0x35E => 234, + 0x360 => 234, + 0x361 => 234, + 0x345 => 240 + ); + // }}} + + // {{{ properties + /** + * @var string + * @access private + */ + private $_punycode_prefix = 'xn--'; + + /** + * @access private + */ + private $_invalid_ucs = 0x80000000; + + /** + * @access private + */ + private $_max_ucs = 0x10FFFF; + + /** + * @var int + * @access private + */ + private $_base = 36; + + /** + * @var int + * @access private + */ + private $_tmin = 1; + + /** + * @var int + * @access private + */ + private $_tmax = 26; + + /** + * @var int + * @access private + */ + private $_skew = 38; + + /** + * @var int + * @access private + */ + private $_damp = 700; + + /** + * @var int + * @access private + */ + private $_initial_bias = 72; + + /** + * @var int + * @access private + */ + private $_initial_n = 0x80; + + /** + * @var int + * @access private + */ + private $_slast; + + /** + * @access private + */ + private $_sbase = 0xAC00; + + /** + * @access private + */ + private $_lbase = 0x1100; + + /** + * @access private + */ + private $_vbase = 0x1161; + + /** + * @access private + */ + private $_tbase = 0x11a7; + + /** + * @var int + * @access private + */ + private $_lcount = 19; + + /** + * @var int + * @access private + */ + private $_vcount = 21; + + /** + * @var int + * @access private + */ + private $_tcount = 28; + + /** + * vcount * tcount + * + * @var int + * @access private + */ + private $_ncount = 588; + + /** + * lcount * tcount * vcount + * + * @var int + * @access private + */ + private $_scount = 11172; + + /** + * Default encoding for encode()'s input and decode()'s output is UTF-8; + * Other possible encodings are ucs4_string and ucs4_array + * See {@link setParams()} for how to select these + * + * @var bool + * @access private + */ + private $_api_encoding = 'utf8'; + + /** + * Overlong UTF-8 encodings are forbidden + * + * @var bool + * @access private + */ + private $_allow_overlong = false; + + /** + * Behave strict or not + * + * @var bool + * @access private + */ + private $_strict_mode = false; + + /** + * Cached value indicating whether or not mbstring function overloading is + * on for strlen + * + * This is cached for optimal performance. + * + * @var boolean + * @see Net_IDNA_php5::_byteLength() + */ + private static $_mb_string_overload = null; + // }}} + + + // {{{ constructor + /** + * Constructor + * + * @param array $options + * @access public + * @see setParams() + */ + public function __construct($options = null) + { + $this->_slast = $this->_sbase + $this->_lcount * $this->_vcount * $this->_tcount; + + if (is_array($options)) { + $this->setParams($options); + } + + // populate mbstring overloading cache if not set + if (self::$_mb_string_overload === null) { + self::$_mb_string_overload = (extension_loaded('mbstring') + && (ini_get('mbstring.func_overload') & 0x02) === 0x02); + } + } + // }}} + + + /** + * Sets a new option value. Available options and values: + * + * [utf8 - Use either UTF-8 or ISO-8859-1 as input (true for UTF-8, false + * otherwise); The output is always UTF-8] + * [overlong - Unicode does not allow unnecessarily long encodings of chars, + * to allow this, set this parameter to true, else to false; + * default is false.] + * [strict - true: strict mode, good for registration purposes - Causes errors + * on failures; false: loose mode, ideal for "wildlife" applications + * by silently ignoring errors and returning the original input instead] + * + * @param mixed $option Parameter to set (string: single parameter; array of Parameter => Value pairs) + * @param string $value Value to use (if parameter 1 is a string) + * @return boolean true on success, false otherwise + * @access public + */ + public function setParams($option, $value = false) + { + if (!is_array($option)) { + $option = array($option => $value); + } + + foreach ($option as $k => $v) { + switch ($k) { + case 'encoding': + switch ($v) { + case 'utf8': + case 'ucs4_string': + case 'ucs4_array': + $this->_api_encoding = $v; + break; + + default: + throw new Exception('Set Parameter: Unknown parameter '.$v.' for option '.$k); + } + + break; + + case 'overlong': + $this->_allow_overlong = ($v) ? true : false; + break; + + case 'strict': + $this->_strict_mode = ($v) ? true : false; + break; + + default: + return false; + } + } + + return true; + } + + /** + * Encode a given UTF-8 domain name. + * + * @param string $decoded Domain name (UTF-8 or UCS-4) + * [@param string $encoding Desired input encoding, see {@link set_parameter}] + * @return string Encoded Domain name (ACE string) + * @return mixed processed string + * @throws Exception + * @access public + */ + public function encode($decoded, $one_time_encoding = false) + { + // Forcing conversion of input to UCS4 array + // If one time encoding is given, use this, else the objects property + switch (($one_time_encoding) ? $one_time_encoding : $this->_api_encoding) { + case 'utf8': + $decoded = $this->_utf8_to_ucs4($decoded); + break; + case 'ucs4_string': + $decoded = $this->_ucs4_string_to_ucs4($decoded); + case 'ucs4_array': // No break; before this line. Catch case, but do nothing + break; + default: + throw new Exception('Unsupported input format'); + } + + // No input, no output, what else did you expect? + if (empty($decoded)) return ''; + + // Anchors for iteration + $last_begin = 0; + // Output string + $output = ''; + + foreach ($decoded as $k => $v) { + // Make sure to use just the plain dot + switch($v) { + case 0x3002: + case 0xFF0E: + case 0xFF61: + $decoded[$k] = 0x2E; + // It's right, no break here + // The codepoints above have to be converted to dots anyway + + // Stumbling across an anchoring character + case 0x2E: + case 0x2F: + case 0x3A: + case 0x3F: + case 0x40: + // Neither email addresses nor URLs allowed in strict mode + if ($this->_strict_mode) { + throw new Exception('Neither email addresses nor URLs are allowed in strict mode.'); + } else { + // Skip first char + if ($k) { + $encoded = ''; + $encoded = $this->_encode(array_slice($decoded, $last_begin, (($k)-$last_begin))); + if ($encoded) { + $output .= $encoded; + } else { + $output .= $this->_ucs4_to_utf8(array_slice($decoded, $last_begin, (($k)-$last_begin))); + } + $output .= chr($decoded[$k]); + } + $last_begin = $k + 1; + } + } + } + // Catch the rest of the string + if ($last_begin) { + $inp_len = sizeof($decoded); + $encoded = ''; + $encoded = $this->_encode(array_slice($decoded, $last_begin, (($inp_len)-$last_begin))); + if ($encoded) { + $output .= $encoded; + } else { + $output .= $this->_ucs4_to_utf8(array_slice($decoded, $last_begin, (($inp_len)-$last_begin))); + } + return $output; + } else { + if ($output = $this->_encode($decoded)) { + return $output; + } else { + return $this->_ucs4_to_utf8($decoded); + } + } + } + + /** + * Decode a given ACE domain name. + * + * @param string $encoded Domain name (ACE string) + * @param string $encoding Desired output encoding, see {@link set_parameter} + * @return string Decoded Domain name (UTF-8 or UCS-4) + * @throws Exception + * @access public + */ + public function decode($input, $one_time_encoding = false) + { + // Optionally set + if ($one_time_encoding) { + switch ($one_time_encoding) { + case 'utf8': + case 'ucs4_string': + case 'ucs4_array': + break; + default: + throw new Exception('Unknown encoding '.$one_time_encoding); + return false; + } + } + // Make sure to drop any newline characters around + $input = trim($input); + + // Negotiate input and try to determine, wether it is a plain string, + // an email address or something like a complete URL + if (strpos($input, '@')) { // Maybe it is an email address + // No no in strict mode + if ($this->_strict_mode) { + throw new Exception('Only simple domain name parts can be handled in strict mode'); + } + list($email_pref, $input) = explode('@', $input, 2); + $arr = explode('.', $input); + foreach ($arr as $k => $v) { + $conv = $this->_decode($v); + if ($conv) $arr[$k] = $conv; + } + $return = $email_pref . '@' . join('.', $arr); + } elseif (preg_match('![:\./]!', $input)) { // Or a complete domain name (with or without paths / parameters) + // No no in strict mode + if ($this->_strict_mode) { + throw new Exception('Only simple domain name parts can be handled in strict mode'); + } + $parsed = parse_url($input); + if (isset($parsed['host'])) { + $arr = explode('.', $parsed['host']); + foreach ($arr as $k => $v) { + $conv = $this->_decode($v); + if ($conv) $arr[$k] = $conv; + } + $parsed['host'] = join('.', $arr); + if (isset($parsed['scheme'])) { + $parsed['scheme'] .= (strtolower($parsed['scheme']) == 'mailto') ? ':' : '://'; + } + $return = join('', $parsed); + } else { // parse_url seems to have failed, try without it + $arr = explode('.', $input); + foreach ($arr as $k => $v) { + $conv = $this->_decode($v); + if ($conv) $arr[$k] = $conv; + } + $return = join('.', $arr); + } + } else { // Otherwise we consider it being a pure domain name string + $return = $this->_decode($input); + } + // The output is UTF-8 by default, other output formats need conversion here + // If one time encoding is given, use this, else the objects property + switch (($one_time_encoding) ? $one_time_encoding : $this->_api_encoding) { + case 'utf8': + return $return; + break; + case 'ucs4_string': + return $this->_ucs4_to_ucs4_string($this->_utf8_to_ucs4($return)); + break; + case 'ucs4_array': + return $this->_utf8_to_ucs4($return); + break; + default: + throw new Exception('Unsupported output format'); + } + } + + + // {{{ private + /** + * The actual encoding algorithm. + * + * @return string + * @throws Exception + * @access private + */ + private function _encode($decoded) + { + // We cannot encode a domain name containing the Punycode prefix + $extract = self::_byteLength($this->_punycode_prefix); + $check_pref = $this->_utf8_to_ucs4($this->_punycode_prefix); + $check_deco = array_slice($decoded, 0, $extract); + + if ($check_pref == $check_deco) { + throw new Exception('This is already a punycode string'); + } + // We will not try to encode strings consisting of basic code points only + $encodable = false; + foreach ($decoded as $k => $v) { + if ($v > 0x7a) { + $encodable = true; + break; + } + } + if (!$encodable) { + if ($this->_strict_mode) { + throw new Exception('The given string does not contain encodable chars'); + } else { + return false; + } + } + + // Do NAMEPREP + try { + $decoded = $this->_nameprep($decoded); + } catch (Exception $e) { + // hmm, serious - rethrow + throw $e; + } + + $deco_len = count($decoded); + + // Empty array + if (!$deco_len) { + return false; + } + + // How many chars have been consumed + $codecount = 0; + + // Start with the prefix; copy it to output + $encoded = $this->_punycode_prefix; + + $encoded = ''; + // Copy all basic code points to output + for ($i = 0; $i < $deco_len; ++$i) { + $test = $decoded[$i]; + // Will match [0-9a-zA-Z-] + if ((0x2F < $test && $test < 0x40) + || (0x40 < $test && $test < 0x5B) + || (0x60 < $test && $test <= 0x7B) + || (0x2D == $test)) { + $encoded .= chr($decoded[$i]); + $codecount++; + } + } + + // All codepoints were basic ones + if ($codecount == $deco_len) { + return $encoded; + } + + // Start with the prefix; copy it to output + $encoded = $this->_punycode_prefix . $encoded; + + // If we have basic code points in output, add an hyphen to the end + if ($codecount) { + $encoded .= '-'; + } + + // Now find and encode all non-basic code points + $is_first = true; + $cur_code = $this->_initial_n; + $bias = $this->_initial_bias; + $delta = 0; + + while ($codecount < $deco_len) { + // Find the smallest code point >= the current code point and + // remember the last ouccrence of it in the input + for ($i = 0, $next_code = $this->_max_ucs; $i < $deco_len; $i++) { + if ($decoded[$i] >= $cur_code && $decoded[$i] <= $next_code) { + $next_code = $decoded[$i]; + } + } + + $delta += ($next_code - $cur_code) * ($codecount + 1); + $cur_code = $next_code; + + // Scan input again and encode all characters whose code point is $cur_code + for ($i = 0; $i < $deco_len; $i++) { + if ($decoded[$i] < $cur_code) { + $delta++; + } else if ($decoded[$i] == $cur_code) { + for ($q = $delta, $k = $this->_base; 1; $k += $this->_base) { + $t = ($k <= $bias)? + $this->_tmin : + (($k >= $bias + $this->_tmax)? $this->_tmax : $k - $bias); + + if ($q < $t) { + break; + } + + $encoded .= $this->_encodeDigit(ceil($t + (($q - $t) % ($this->_base - $t)))); + $q = ($q - $t) / ($this->_base - $t); + } + + $encoded .= $this->_encodeDigit($q); + $bias = $this->_adapt($delta, $codecount + 1, $is_first); + $codecount++; + $delta = 0; + $is_first = false; + } + } + + $delta++; + $cur_code++; + } + + return $encoded; + } + + /** + * The actual decoding algorithm. + * + * @return string + * @throws Exception + * @access private + */ + private function _decode($encoded) + { + // We do need to find the Punycode prefix + if (!preg_match('!^' . preg_quote($this->_punycode_prefix, '!') . '!', $encoded)) { + return false; + } + + $encode_test = preg_replace('!^' . preg_quote($this->_punycode_prefix, '!') . '!', '', $encoded); + + // If nothing left after removing the prefix, it is hopeless + if (!$encode_test) { + return false; + } + + // Find last occurence of the delimiter + $delim_pos = strrpos($encoded, '-'); + + if ($delim_pos > self::_byteLength($this->_punycode_prefix)) { + for ($k = self::_byteLength($this->_punycode_prefix); $k < $delim_pos; ++$k) { + $decoded[] = ord($encoded{$k}); + } + } else { + $decoded = array(); + } + + $deco_len = count($decoded); + $enco_len = self::_byteLength($encoded); + + // Wandering through the strings; init + $is_first = true; + $bias = $this->_initial_bias; + $idx = 0; + $char = $this->_initial_n; + + for ($enco_idx = ($delim_pos)? ($delim_pos + 1) : 0; $enco_idx < $enco_len; ++$deco_len) { + for ($old_idx = $idx, $w = 1, $k = $this->_base; 1 ; $k += $this->_base) { + $digit = $this->_decodeDigit($encoded{$enco_idx++}); + $idx += $digit * $w; + + $t = ($k <= $bias) ? + $this->_tmin : + (($k >= $bias + $this->_tmax)? $this->_tmax : ($k - $bias)); + + if ($digit < $t) { + break; + } + + $w = (int)($w * ($this->_base - $t)); + } + + $bias = $this->_adapt($idx - $old_idx, $deco_len + 1, $is_first); + $is_first = false; + $char += (int) ($idx / ($deco_len + 1)); + $idx %= ($deco_len + 1); + + if ($deco_len > 0) { + // Make room for the decoded char + for ($i = $deco_len; $i > $idx; $i--) { + $decoded[$i] = $decoded[($i - 1)]; + } + } + + $decoded[$idx++] = $char; + } + + try { + return $this->_ucs4_to_utf8($decoded); + } catch (Exception $e) { + // rethrow + throw $e; + } + } + + /** + * Adapt the bias according to the current code point and position. + * + * @access private + */ + private function _adapt($delta, $npoints, $is_first) + { + $delta = (int) ($is_first ? ($delta / $this->_damp) : ($delta / 2)); + $delta += (int) ($delta / $npoints); + + for ($k = 0; $delta > (($this->_base - $this->_tmin) * $this->_tmax) / 2; $k += $this->_base) { + $delta = (int) ($delta / ($this->_base - $this->_tmin)); + } + + return (int) ($k + ($this->_base - $this->_tmin + 1) * $delta / ($delta + $this->_skew)); + } + + /** + * Encoding a certain digit. + * + * @access private + */ + private function _encodeDigit($d) + { + return chr($d + 22 + 75 * ($d < 26)); + } + + /** + * Decode a certain digit. + * + * @access private + */ + private function _decodeDigit($cp) + { + $cp = ord($cp); + return ($cp - 48 < 10)? $cp - 22 : (($cp - 65 < 26)? $cp - 65 : (($cp - 97 < 26)? $cp - 97 : $this->_base)); + } + + /** + * Do Nameprep according to RFC3491 and RFC3454. + * + * @param array $input Unicode Characters + * @return string Unicode Characters, Nameprep'd + * @throws Exception + * @access private + */ + private function _nameprep($input) + { + $output = array(); + + // Walking through the input array, performing the required steps on each of + // the input chars and putting the result into the output array + // While mapping required chars we apply the cannonical ordering + + foreach ($input as $v) { + // Map to nothing == skip that code point + if (in_array($v, self::$_np_map_nothing)) { + continue; + } + + // Try to find prohibited input + if (in_array($v, self::$_np_prohibit) || in_array($v, self::$_general_prohibited)) { + throw new Exception('NAMEPREP: Prohibited input U+' . sprintf('%08X', $v)); + } + + foreach (self::$_np_prohibit_ranges as $range) { + if ($range[0] <= $v && $v <= $range[1]) { + throw new Exception('NAMEPREP: Prohibited input U+' . sprintf('%08X', $v)); + } + } + + // Hangul syllable decomposition + if (0xAC00 <= $v && $v <= 0xD7AF) { + foreach ($this->_hangulDecompose($v) as $out) { + $output[] = $out; + } + } else if (isset(self::$_np_replacemaps[$v])) { // There's a decomposition mapping for that code point + foreach ($this->_applyCannonicalOrdering(self::$_np_replacemaps[$v]) as $out) { + $output[] = $out; + } + } else { + $output[] = $v; + } + } + + // Combine code points + + $last_class = 0; + $last_starter = 0; + $out_len = count($output); + + for ($i = 0; $i < $out_len; ++$i) { + $class = $this->_getCombiningClass($output[$i]); + + if ((!$last_class || $last_class != $class) && $class) { + // Try to match + $seq_len = $i - $last_starter; + $out = $this->_combine(array_slice($output, $last_starter, $seq_len)); + + // On match: Replace the last starter with the composed character and remove + // the now redundant non-starter(s) + if ($out) { + $output[$last_starter] = $out; + + if (count($out) != $seq_len) { + for ($j = $i + 1; $j < $out_len; ++$j) { + $output[$j - 1] = $output[$j]; + } + + unset($output[$out_len]); + } + + // Rewind the for loop by one, since there can be more possible compositions + $i--; + $out_len--; + $last_class = ($i == $last_starter)? 0 : $this->_getCombiningClass($output[$i - 1]); + + continue; + } + } + + // The current class is 0 + if (!$class) { + $last_starter = $i; + } + + $last_class = $class; + } + + return $output; + } + + /** + * Decomposes a Hangul syllable + * (see http://www.unicode.org/unicode/reports/tr15/#Hangul). + * + * @param integer $char 32bit UCS4 code point + * @return array Either Hangul Syllable decomposed or original 32bit + * value as one value array + * @access private + */ + private function _hangulDecompose($char) + { + $sindex = $char - $this->_sbase; + + if ($sindex < 0 || $sindex >= $this->_scount) { + return array($char); + } + + $result = array(); + $T = $this->_tbase + $sindex % $this->_tcount; + $result[] = (int)($this->_lbase + $sindex / $this->_ncount); + $result[] = (int)($this->_vbase + ($sindex % $this->_ncount) / $this->_tcount); + + if ($T != $this->_tbase) { + $result[] = $T; + } + + return $result; + } + + /** + * Ccomposes a Hangul syllable + * (see http://www.unicode.org/unicode/reports/tr15/#Hangul). + * + * @param array $input Decomposed UCS4 sequence + * @return array UCS4 sequence with syllables composed + * @access private + */ + private function _hangulCompose($input) + { + $inp_len = count($input); + + if (!$inp_len) { + return array(); + } + + $result = array(); + $last = $input[0]; + $result[] = $last; // copy first char from input to output + + for ($i = 1; $i < $inp_len; ++$i) { + $char = $input[$i]; + + // Find out, wether two current characters from L and V + $lindex = $last - $this->_lbase; + + if (0 <= $lindex && $lindex < $this->_lcount) { + $vindex = $char - $this->_vbase; + + if (0 <= $vindex && $vindex < $this->_vcount) { + // create syllable of form LV + $last = ($this->_sbase + ($lindex * $this->_vcount + $vindex) * $this->_tcount); + $out_off = count($result) - 1; + $result[$out_off] = $last; // reset last + + // discard char + continue; + } + } + + // Find out, wether two current characters are LV and T + $sindex = $last - $this->_sbase; + + if (0 <= $sindex && $sindex < $this->_scount && ($sindex % $this->_tcount) == 0) { + $tindex = $char - $this->_tbase; + + if (0 <= $tindex && $tindex <= $this->_tcount) { + // create syllable of form LVT + $last += $tindex; + $out_off = count($result) - 1; + $result[$out_off] = $last; // reset last + + // discard char + continue; + } + } + + // if neither case was true, just add the character + $last = $char; + $result[] = $char; + } + + return $result; + } + + /** + * Returns the combining class of a certain wide char. + * + * @param integer $char Wide char to check (32bit integer) + * @return integer Combining class if found, else 0 + * @access private + */ + private function _getCombiningClass($char) + { + return isset(self::$_np_norm_combcls[$char])? self::$_np_norm_combcls[$char] : 0; + } + + /** + * Apllies the cannonical ordering of a decomposed UCS4 sequence. + * + * @param array $input Decomposed UCS4 sequence + * @return array Ordered USC4 sequence + * @access private + */ + private function _applyCannonicalOrdering($input) + { + $swap = true; + $size = count($input); + + while ($swap) { + $swap = false; + $last = $this->_getCombiningClass($input[0]); + + for ($i = 0; $i < $size - 1; ++$i) { + $next = $this->_getCombiningClass($input[$i + 1]); + + if ($next != 0 && $last > $next) { + // Move item leftward until it fits + for ($j = $i + 1; $j > 0; --$j) { + if ($this->_getCombiningClass($input[$j - 1]) <= $next) { + break; + } + + $t = $input[$j]; + $input[$j] = $input[$j - 1]; + $input[$j - 1] = $t; + $swap = 1; + } + + // Reentering the loop looking at the old character again + $next = $last; + } + + $last = $next; + } + } + + return $input; + } + + /** + * Do composition of a sequence of starter and non-starter. + * + * @param array $input UCS4 Decomposed sequence + * @return array Ordered USC4 sequence + * @access private + */ + private function _combine($input) + { + $inp_len = count($input); + + // Is it a Hangul syllable? + if (1 != $inp_len) { + $hangul = $this->_hangulCompose($input); + + // This place is probably wrong + if (count($hangul) != $inp_len) { + return $hangul; + } + } + + foreach (self::$_np_replacemaps as $np_src => $np_target) { + if ($np_target[0] != $input[0]) { + continue; + } + + if (count($np_target) != $inp_len) { + continue; + } + + $hit = false; + + foreach ($input as $k2 => $v2) { + if ($v2 == $np_target[$k2]) { + $hit = true; + } else { + $hit = false; + break; + } + } + + if ($hit) { + return $np_src; + } + } + + return false; + } + + /** + * This converts an UTF-8 encoded string to its UCS-4 (array) representation + * By talking about UCS-4 we mean arrays of 32bit integers representing + * each of the "chars". This is due to PHP not being able to handle strings with + * bit depth different from 8. This applies to the reverse method _ucs4_to_utf8(), too. + * The following UTF-8 encodings are supported: + * + * bytes bits representation + * 1 7 0xxxxxxx + * 2 11 110xxxxx 10xxxxxx + * 3 16 1110xxxx 10xxxxxx 10xxxxxx + * 4 21 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx + * 5 26 111110xx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx + * 6 31 1111110x 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx + * + * Each x represents a bit that can be used to store character data. + * + * @access private + */ + private function _utf8_to_ucs4($input) + { + $output = array(); + $out_len = 0; + $inp_len = self::_byteLength($input, '8bit'); + $mode = 'next'; + $test = 'none'; + for ($k = 0; $k < $inp_len; ++$k) { + $v = ord($input{$k}); // Extract byte from input string + + if ($v < 128) { // We found an ASCII char - put into stirng as is + $output[$out_len] = $v; + ++$out_len; + if ('add' == $mode) { + throw new Exception('Conversion from UTF-8 to UCS-4 failed: malformed input at byte '.$k); + return false; + } + continue; + } + if ('next' == $mode) { // Try to find the next start byte; determine the width of the Unicode char + $start_byte = $v; + $mode = 'add'; + $test = 'range'; + if ($v >> 5 == 6) { // &110xxxxx 10xxxxx + $next_byte = 0; // Tells, how many times subsequent bitmasks must rotate 6bits to the left + $v = ($v - 192) << 6; + } elseif ($v >> 4 == 14) { // &1110xxxx 10xxxxxx 10xxxxxx + $next_byte = 1; + $v = ($v - 224) << 12; + } elseif ($v >> 3 == 30) { // &11110xxx 10xxxxxx 10xxxxxx 10xxxxxx + $next_byte = 2; + $v = ($v - 240) << 18; + } elseif ($v >> 2 == 62) { // &111110xx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx + $next_byte = 3; + $v = ($v - 248) << 24; + } elseif ($v >> 1 == 126) { // &1111110x 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx + $next_byte = 4; + $v = ($v - 252) << 30; + } else { + throw new Exception('This might be UTF-8, but I don\'t understand it at byte '.$k); + return false; + } + if ('add' == $mode) { + $output[$out_len] = (int) $v; + ++$out_len; + continue; + } + } + if ('add' == $mode) { + if (!$this->_allow_overlong && $test == 'range') { + $test = 'none'; + if (($v < 0xA0 && $start_byte == 0xE0) || ($v < 0x90 && $start_byte == 0xF0) || ($v > 0x8F && $start_byte == 0xF4)) { + throw new Exception('Bogus UTF-8 character detected (out of legal range) at byte '.$k); + return false; + } + } + if ($v >> 6 == 2) { // Bit mask must be 10xxxxxx + $v = ($v - 128) << ($next_byte * 6); + $output[($out_len - 1)] += $v; + --$next_byte; + } else { + throw new Exception('Conversion from UTF-8 to UCS-4 failed: malformed input at byte '.$k); + return false; + } + if ($next_byte < 0) { + $mode = 'next'; + } + } + } // for + return $output; + } + + /** + * Convert UCS-4 array into UTF-8 string. + * + * @throws Exception + * @access private + */ + private function _ucs4_to_utf8($input) + { + $output = ''; + + foreach ($input as $v) { + // $v = ord($v); + + if ($v < 128) { + // 7bit are transferred literally + $output .= chr($v); + } else if ($v < 1 << 11) { + // 2 bytes + $output .= chr(192 + ($v >> 6)) + . chr(128 + ($v & 63)); + } else if ($v < 1 << 16) { + // 3 bytes + $output .= chr(224 + ($v >> 12)) + . chr(128 + (($v >> 6) & 63)) + . chr(128 + ($v & 63)); + } else if ($v < 1 << 21) { + // 4 bytes + $output .= chr(240 + ($v >> 18)) + . chr(128 + (($v >> 12) & 63)) + . chr(128 + (($v >> 6) & 63)) + . chr(128 + ($v & 63)); + } else if ($v < 1 << 26) { + // 5 bytes + $output .= chr(248 + ($v >> 24)) + . chr(128 + (($v >> 18) & 63)) + . chr(128 + (($v >> 12) & 63)) + . chr(128 + (($v >> 6) & 63)) + . chr(128 + ($v & 63)); + } else if ($v < 1 << 31) { + // 6 bytes + $output .= chr(252 + ($v >> 30)) + . chr(128 + (($v >> 24) & 63)) + . chr(128 + (($v >> 18) & 63)) + . chr(128 + (($v >> 12) & 63)) + . chr(128 + (($v >> 6) & 63)) + . chr(128 + ($v & 63)); + } else { + throw new Exception('Conversion from UCS-4 to UTF-8 failed: malformed input at byte ' . $k); + } + } + + return $output; + } + + /** + * Convert UCS-4 array into UCS-4 string + * + * @throws Exception + * @access private + */ + private function _ucs4_to_ucs4_string($input) + { + $output = ''; + // Take array values and split output to 4 bytes per value + // The bit mask is 255, which reads &11111111 + foreach ($input as $v) { + $output .= ($v & (255 << 24) >> 24) . ($v & (255 << 16) >> 16) . ($v & (255 << 8) >> 8) . ($v & 255); + } + return $output; + } + + /** + * Convert UCS-4 strin into UCS-4 garray + * + * @throws Exception + * @access private + */ + private function _ucs4_string_to_ucs4($input) + { + $output = array(); + + $inp_len = self::_byteLength($input); + // Input length must be dividable by 4 + if ($inp_len % 4) { + throw new Exception('Input UCS4 string is broken'); + return false; + } + + // Empty input - return empty output + if (!$inp_len) return $output; + + for ($i = 0, $out_len = -1; $i < $inp_len; ++$i) { + // Increment output position every 4 input bytes + if (!$i % 4) { + $out_len++; + $output[$out_len] = 0; + } + $output[$out_len] += ord($input{$i}) << (8 * (3 - ($i % 4) ) ); + } + return $output; + } + + /** + * Echo hex representation of UCS4 sequence. + * + * @param array $input UCS4 sequence + * @param boolean $include_bit Include bitmask in output + * @return void + * @static + * @access private + */ + private static function _showHex($input, $include_bit = false) + { + foreach ($input as $k => $v) { + echo '[', $k, '] => ', sprintf('%X', $v); + + if ($include_bit) { + echo ' (', Net_IDNA::_showBitmask($v), ')'; + } + + echo "\n"; + } + } + + /** + * Gives you a bit representation of given Byte (8 bits), Word (16 bits) or DWord (32 bits) + * Output width is automagically determined + * + * @static + * @access private + */ + private static function _showBitmask($octet) + { + if ($octet >= (1 << 16)) { + $w = 31; + } else if ($octet >= (1 << 8)) { + $w = 15; + } else { + $w = 7; + } + + $return = ''; + + for ($i = $w; $i > -1; $i--) { + $return .= ($octet & (1 << $i))? 1 : '0'; + } + + return $return; + } + + /** + * Gets the length of a string in bytes even if mbstring function + * overloading is turned on + * + * @param string $string the string for which to get the length. + * + * @return integer the length of the string in bytes. + * + * @see Net_IDNA_php5::$_mb_string_overload + */ + private static function _byteLength($string) + { + if (self::$_mb_string_overload) { + return mb_strlen($string, '8bit'); + } + return strlen((binary)$string); + } + + // }}}} +} + +?> diff --git a/lib/jabber.php b/lib/jabber.php index db4e2e9a7..cdcfc4423 100644 --- a/lib/jabber.php +++ b/lib/jabber.php @@ -34,39 +34,198 @@ if (!defined('STATUSNET') && !defined('LACONICA')) { require_once 'XMPPHP/XMPP.php'; /** - * checks whether a string is a syntactically valid Jabber ID (JID) + * Splits a Jabber ID (JID) into node, domain, and resource portions. + * + * Based on validation routine submitted by: + * @copyright 2009 Patrick Georgi <patrick@georgi-clan.de> + * @license Licensed under ISC-L, which is compatible with everything else that keeps the copyright notice intact. * * @param string $jid string to check * + * @return array with "node", "domain", and "resource" indices + * @throws Exception if input is not valid + */ + +function jabber_split_jid($jid) +{ + $chars = ''; + /* the following definitions come from stringprep, Appendix C, + which is used in its entirety by nodeprop, Chapter 5, "Prohibited Output" */ + /* C1.1 ASCII space characters */ + $chars .= "\x{20}"; + /* C1.2 Non-ASCII space characters */ + $chars .= "\x{a0}\x{1680}\x{2000}-\x{200b}\x{202f}\x{205f}\x{3000a}"; + /* C2.1 ASCII control characters */ + $chars .= "\x{00}-\x{1f}\x{7f}"; + /* C2.2 Non-ASCII control characters */ + $chars .= "\x{80}-\x{9f}\x{6dd}\x{70f}\x{180e}\x{200c}\x{200d}\x{2028}\x{2029}\x{2060}-\x{2063}\x{206a}-\x{206f}\x{feff}\x{fff9}-\x{fffc}\x{1d173}-\x{1d17a}"; + /* C3 - Private Use */ + $chars .= "\x{e000}-\x{f8ff}\x{f0000}-\x{ffffd}\x{100000}-\x{10fffd}"; + /* C4 - Non-character code points */ + $chars .= "\x{fdd0}-\x{fdef}\x{fffe}\x{ffff}\x{1fffe}\x{1ffff}\x{2fffe}\x{2ffff}\x{3fffe}\x{3ffff}\x{4fffe}\x{4ffff}\x{5fffe}\x{5ffff}\x{6fffe}\x{6ffff}\x{7fffe}\x{7ffff}\x{8fffe}\x{8ffff}\x{9fffe}\x{9ffff}\x{afffe}\x{affff}\x{bfffe}\x{bffff}\x{cfffe}\x{cffff}\x{dfffe}\x{dffff}\x{efffe}\x{effff}\x{ffffe}\x{fffff}\x{10fffe}\x{10ffff}"; + /* C5 - Surrogate codes */ + $chars .= "\x{d800}-\x{dfff}"; + /* C6 - Inappropriate for plain text */ + $chars .= "\x{fff9}-\x{fffd}"; + /* C7 - Inappropriate for canonical representation */ + $chars .= "\x{2ff0}-\x{2ffb}"; + /* C8 - Change display properties or are deprecated */ + $chars .= "\x{340}\x{341}\x{200e}\x{200f}\x{202a}-\x{202e}\x{206a}-\x{206f}"; + /* C9 - Tagging characters */ + $chars .= "\x{e0001}\x{e0020}-\x{e007f}"; + + /* Nodeprep forbids some more characters */ + $nodeprepchars = $chars; + $nodeprepchars .= "\x{22}\x{26}\x{27}\x{2f}\x{3a}\x{3c}\x{3e}\x{40}"; + + $parts = explode("/", $jid, 2); + if (count($parts) > 1) { + $resource = $parts[1]; + if ($resource == '') { + // Warning: empty resource isn't legit. + // But if we're normalizing, we may as well take it... + } + } else { + $resource = null; + } + + $node = explode("@", $parts[0]); + if ((count($node) > 2) || (count($node) == 0)) { + throw new Exception("Invalid JID: too many @s"); + } else if (count($node) == 1) { + $domain = $node[0]; + $node = null; + } else { + $domain = $node[1]; + $node = $node[0]; + if ($node == '') { + throw new Exception("Invalid JID: @ but no node"); + } + } + + // Length limits per http://xmpp.org/rfcs/rfc3920.html#addressing + if ($node !== null) { + if (strlen($node) > 1023) { + throw new Exception("Invalid JID: node too long."); + } + if (preg_match("/[".$nodeprepchars."]/u", $node)) { + throw new Exception("Invalid JID node '$node'"); + } + } + + if (strlen($domain) > 1023) { + throw new Exception("Invalid JID: domain too long."); + } + if (!common_valid_domain($domain)) { + throw new Exception("Invalid JID domain name '$domain'"); + } + + if ($resource !== null) { + if (strlen($resource) > 1023) { + throw new Exception("Invalid JID: resource too long."); + } + if (preg_match("/[".$chars."]/u", $resource)) { + throw new Exception("Invalid JID resource '$resource'"); + } + } + + return array('node' => is_null($node) ? null : mb_strtolower($node), + 'domain' => is_null($domain) ? null : mb_strtolower($domain), + 'resource' => $resource); +} + +/** + * Checks whether a string is a syntactically valid Jabber ID (JID), + * either with or without a resource. + * + * Note that a bare domain can be a valid JID. + * + * @param string $jid string to check + * @param bool $check_domain whether we should validate that domain... + * * @return boolean whether the string is a valid JID */ +function jabber_valid_full_jid($jid, $check_domain=false) +{ + try { + $parts = jabber_split_jid($jid); + if ($check_domain) { + if (!jabber_check_domain($parts['domain'])) { + return false; + } + } + return $parts['resource'] !== ''; // missing or present; empty ain't kosher + } catch (Exception $e) { + return false; + } +} -function jabber_valid_base_jid($jid) +/** + * Checks whether a string is a syntactically valid base Jabber ID (JID). + * A base JID won't include a resource specifier on the end; since we + * take it off when reading input we can't really use them reliably + * to direct outgoing messages yet (sorry guys!) + * + * Note that a bare domain can be a valid JID. + * + * @param string $jid string to check + * @param bool $check_domain whether we should validate that domain... + * + * @return boolean whether the string is a valid JID + */ +function jabber_valid_base_jid($jid, $check_domain=false) { - // Cheap but effective - return Validate::email($jid); + try { + $parts = jabber_split_jid($jid); + if ($check_domain) { + if (!jabber_check_domain($parts['domain'])) { + return false; + } + } + return ($parts['resource'] === null); // missing; empty ain't kosher + } catch (Exception $e) { + return false; + } } /** - * normalizes a Jabber ID for comparison + * Normalizes a Jabber ID for comparison, dropping the resource component if any. * * @param string $jid JID to check + * @param bool $check_domain if true, reject if the domain isn't findable * * @return string an equivalent JID in normalized (lowercase) form */ function jabber_normalize_jid($jid) { - if (preg_match("/(?:([^\@]+)\@)?([^\/]+)(?:\/(.*))?$/", $jid, $matches)) { - $node = $matches[1]; - $server = $matches[2]; - return strtolower($node.'@'.$server); - } else { + try { + $parts = jabber_split_jid($jid); + if ($parts['node'] !== null) { + return $parts['node'] . '@' . $parts['domain']; + } else { + return $parts['domain']; + } + } catch (Exception $e) { return null; } } /** + * Check if this domain's got some legit DNS record + */ +function jabber_check_domain($domain) +{ + if (checkdnsrr("_xmpp-server._tcp." . $domain, "SRV")) { + return true; + } + if (checkdnsrr($domain, "ANY")) { + return true; + } + return false; +} + +/** * the JID of the Jabber daemon for this StatusNet instance * * @return string JID of the Jabber daemon diff --git a/lib/util.php b/lib/util.php index 795997868..f4ee26bbf 100644 --- a/lib/util.php +++ b/lib/util.php @@ -1397,6 +1397,55 @@ function common_valid_tag($tag) return false; } +/** + * Determine if given domain or address literal is valid + * eg for use in JIDs and URLs. Does not check if the domain + * exists! + * + * @param string $domain + * @return boolean valid or not + */ +function common_valid_domain($domain) +{ + $octet = "(?:25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9][0-9]|[0-9])"; + $ipv4 = "(?:$octet(?:\.$octet){3})"; + if (preg_match("/^$ipv4$/u", $domain)) return true; + + $group = "(?:[0-9a-f]{1,4})"; + $ipv6 = "(?:\[($group(?::$group){0,7})?(::)?($group(?::$group){0,7})?\])"; // http://tools.ietf.org/html/rfc3513#section-2.2 + + if (preg_match("/^$ipv6$/ui", $domain, $matches)) { + $before = explode(":", $matches[1]); + $zeroes = $matches[2]; + $after = explode(":", $matches[3]); + if ($zeroes) { + $min = 0; + $max = 7; + } else { + $min = 1; + $max = 8; + } + $explicit = count($before) + count($after); + if ($explicit < $min || $explicit > $max) { + return false; + } + return true; + } + + try { + require_once "Net/IDNA.php"; + $idn = Net_IDNA::getInstance(); + $domain = $idn->encode($domain); + } catch (Exception $e) { + return false; + } + + $subdomain = "(?:[a-z0-9][a-z0-9-]*)"; // @fixme + $fqdn = "(?:$subdomain(?:\.$subdomain)*\.?)"; + + return preg_match("/^$fqdn$/ui", $domain); +} + /* Following functions are copied from MediaWiki GlobalFunctions.php * and written by Evan Prodromou. */ diff --git a/tests/JidValidateTest.php b/tests/JidValidateTest.php new file mode 100644 index 000000000..9f5901139 --- /dev/null +++ b/tests/JidValidateTest.php @@ -0,0 +1,146 @@ +<?php + +if (isset($_SERVER) && array_key_exists('REQUEST_METHOD', $_SERVER)) { + print "This script must be run from the command line\n"; + exit(); +} + +define('INSTALLDIR', realpath(dirname(__FILE__) . '/..')); +define('STATUSNET', true); +define('LACONICA', true); + +mb_internal_encoding('UTF-8'); // @fixme this probably belongs in common.php? + +require_once INSTALLDIR . '/lib/common.php'; +require_once INSTALLDIR . '/lib/jabber.php'; + +class JidValidateTest extends PHPUnit_Framework_TestCase +{ + /** + * @dataProvider validationCases + * + */ + public function testValidate($jid, $validFull, $validBase) + { + $this->assertEquals($validFull, jabber_valid_full_jid($jid), "validating as full or base JID"); + + $this->assertEquals($validBase, jabber_valid_base_jid($jid), "validating as base JID only"); + } + + /** + * @dataProvider normalizationCases + * + */ + public function testNormalize($jid, $expected) + { + $this->assertEquals($expected, jabber_normalize_jid($jid)); + } + + /** + * @dataProvider domainCheckCases() + */ + public function testDomainCheck($domain, $expected, $note) + { + $this->assertEquals($expected, jabber_check_domain($domain), $note); + } + + static public function validationCases() + { + $long1023 = "long1023" . str_repeat('x', 1023 - 8); + $long1024 = "long1024" . str_repeat('x', 1024 - 8); + return array( + // Our own test cases for standard things & those mentioned in bug reports + // (jid, valid_full, valid_base) + array('user@example.com', true, true), + array('user@example.com/resource', true, false), + array('user with spaces@example.com', false, false), // not kosher + + array('user.@example.com', true, true), // "common in intranets" + array('example.com', true, true), + array('example.com/resource', true, false), + array('jabchat', true, true), + + array("$long1023@$long1023/$long1023", true, false), // max 1023 "bytes" per portion per spec. Do they really mean bytes though? + array("$long1024@$long1023/$long1023", false, false), + array("$long1023@$long1024/$long1023", false, false), + array("$long1023@$long1023/$long1024", false, false), + + // Borrowed from test_jabber_jutil.c in libpurple + array("gmail.com", true, true), + array("gmail.com/Test", true, false), + array("gmail.com/Test@", true, false), + array("gmail.com/@", true, false), + array("gmail.com/Test@alkjaweflkj", true, false), + array("mark.doliner@gmail.com", true, true), + array("mark.doliner@gmail.com/Test12345", true, false), + array("mark.doliner@gmail.com/Test@12345", true, false), + array("mark.doliner@gmail.com/Te/st@12@//345", true, false), + array("わいど@conference.jabber.org", true, true), + array("まりるーむ@conference.jabber.org", true, true), + array("mark.doliner@gmail.com/まりるーむ", true, false), + array("mark.doliner@gmail/stuff.org", true, false), + array("stuart@nödåtXäYZ.se", true, true), + array("stuart@nödåtXäYZ.se/まりるーむ", true, false), + array("mark.doliner@わいど.org", true, true), + array("nick@まつ.おおかみ.net", true, true), + array("paul@10.0.42.230/s", true, false), + array("paul@[::1]", true, true), /* IPv6 */ + array("paul@[2001:470:1f05:d58::2]", true, true), + array("paul@[2001:470:1f05:d58::2]/foo", true, false), + array("pa=ul@10.0.42.230", true, true), + array("pa,ul@10.0.42.230", true, true), + + array("@gmail.com", false, false), + array("@@gmail.com", false, false), + array("mark.doliner@@gmail.com/Test12345", false, false), + array("mark@doliner@gmail.com/Test12345", false, false), + array("@gmail.com/Test@12345", false, false), + array("/Test@12345", false, false), + array("mark.doliner@", false, false), + array("mark.doliner/", false, false), + array("mark.doliner@gmail_stuff.org", false, false), + array("mark.doliner@gmail[stuff.org", false, false), + array("mark.doliner@gmail\\stuff.org", false, false), + array("paul@[::1]124", false, false), + array("paul@2[::1]124/as", false, false), + array("paul@まつ.おおかみ/\x01", false, false), + + /* + * RFC 3454 Section 6 reads, in part, + * "If a string contains any RandALCat character, the + * string MUST NOT contain any LCat character." + * The character is U+066D (ARABIC FIVE POINTED STAR). + */ + // Leaving this one commented out for the moment + // as it shouldn't hurt anything for our purposes. + //array("foo@example.com/٭simplexe٭", false, false) + ); + } + + static public function normalizationCases() + { + return array( + // Borrowed from test_jabber_jutil.c in libpurple + array('PaUL@DaRkRain42.org', 'paul@darkrain42.org'), + array('PaUL@DaRkRain42.org/', 'paul@darkrain42.org'), + array('PaUL@DaRkRain42.org/resource', 'paul@darkrain42.org'), + + // Also adapted from libpurple tests... + array('Ф@darkrain42.org', 'ф@darkrain42.org'), + array('paul@Өarkrain.org', 'paul@өarkrain.org'), + ); + } + + static public function domainCheckCases() + { + return array( + array('gmail.com', true, 'known SRV record'), + array('jabber.org', true, 'known SRV record'), + array('status.net', true, 'known SRV record'), + array('status.leuksman.com', true, 'known no SRV record but valid domain'), + ); + } + + +} + |