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| Rev | Author | Line No. | Line |
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| 3 | daniel-mar | 1 | <?php |
| 2 | |||
| 3 | /* |
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| 4 | * UUID utils for PHP |
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| 33 | daniel-mar | 5 | * Copyright 2011 - 2023 Daniel Marschall, ViaThinkSoft |
| 36 | daniel-mar | 6 | * Version 2023-11-11 |
| 3 | daniel-mar | 7 | * |
| 8 | * Licensed under the Apache License, Version 2.0 (the "License"); |
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| 9 | * you may not use this file except in compliance with the License. |
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| 10 | * You may obtain a copy of the License at |
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| 11 | * |
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| 12 | * http://www.apache.org/licenses/LICENSE-2.0 |
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| 13 | * |
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| 14 | * Unless required by applicable law or agreed to in writing, software |
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| 15 | * distributed under the License is distributed on an "AS IS" BASIS, |
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| 16 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 17 | * See the License for the specific language governing permissions and |
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| 18 | * limitations under the License. |
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| 19 | */ |
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| 20 | |||
| 12 | daniel-mar | 21 | # This library requires either the GMP extension (or BCMath if gmp_supplement.inc.php is present) |
| 34 | daniel-mar | 22 | // TODO: If we are on 64 bit PHP (PHP_INT_SIZE > 4), then replace GMP with normal PHP operations |
| 12 | daniel-mar | 23 | |
| 36 | daniel-mar | 24 | if (file_exists($f = __DIR__ . '/mac_utils.inc.php')) include_once $f; |
| 25 | else if (file_exists($f = __DIR__ . '/mac_utils.inc.phps')) include_once $f; |
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| 3 | daniel-mar | 26 | |
| 36 | daniel-mar | 27 | if (file_exists($f = __DIR__ . '/gmp_supplement.inc.php')) include_once $f; |
| 28 | else if (file_exists($f = __DIR__ . '/gmp_supplement.inc.phps')) include_once $f; |
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| 29 | |||
| 30 | if (file_exists($f = __DIR__ . '/OidDerConverter.class.php')) include_once $f; |
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| 31 | else if (file_exists($f = __DIR__ . '/OidDerConverter.class.phps')) include_once $f; |
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| 32 | |||
| 33 | // Note: The RFC allows various notations as payload, not a strict notation constraint |
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| 34 | const UUID_NAMEBASED_NS_DNS = '6ba7b810-9dad-11d1-80b4-00c04fd430c8'; |
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| 34 | daniel-mar | 35 | const UUID_NAMEBASED_NS_URL = '6ba7b811-9dad-11d1-80b4-00c04fd430c8'; |
| 36 | const UUID_NAMEBASED_NS_OID = '6ba7b812-9dad-11d1-80b4-00c04fd430c8'; |
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| 36 | daniel-mar | 37 | const UUID_NAMEBASED_NS_X500_DN = '6ba7b814-9dad-11d1-80b4-00c04fd430c8'; |
| 3 | daniel-mar | 38 | |
| 34 | daniel-mar | 39 | if (!function_exists('_random_int')) { |
| 40 | function _random_int($min, $max) { |
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| 41 | // This function tries a CSRNG and falls back to a RNG if no CSRNG is available |
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| 42 | try { |
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| 43 | return random_int($min, $max); |
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| 44 | } catch (Exception $e) { |
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| 45 | return mt_rand($min, $max); |
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| 46 | } |
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| 47 | } |
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| 48 | } |
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| 49 | |||
| 3 | daniel-mar | 50 | function uuid_valid($uuid) { |
| 51 | $uuid = str_replace(array('-', '{', '}'), '', $uuid); |
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| 52 | $uuid = strtoupper($uuid); |
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| 16 | daniel-mar | 53 | #$uuid = trim($uuid); |
| 3 | daniel-mar | 54 | |
| 55 | if (strlen($uuid) != 32) return false; |
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| 56 | |||
| 34 | daniel-mar | 57 | $uuid = preg_replace('@[0-9A-F]@i', '', $uuid); |
| 3 | daniel-mar | 58 | |
| 59 | return ($uuid == ''); |
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| 60 | } |
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| 61 | |||
| 36 | daniel-mar | 62 | function uuid_equal($uuid1, $uuid2) { |
| 63 | $uuid1 = uuid_canonize($uuid1); |
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| 64 | if (!$uuid1) return false; |
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| 65 | $uuid2 = uuid_canonize($uuid2); |
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| 66 | if (!$uuid2) return false; |
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| 67 | return $uuid1 === $uuid2; |
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| 68 | } |
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| 69 | |||
| 70 | function uuid_version($uuid) { |
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| 71 | $uuid = uuid_canonize($uuid); |
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| 72 | if (!$uuid) return false; |
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| 73 | return substr($uuid, 19, 1); |
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| 74 | } |
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| 75 | |||
| 34 | daniel-mar | 76 | function uuid_info($uuid, $echo=true) { |
| 3 | daniel-mar | 77 | if (!uuid_valid($uuid)) return false; |
| 78 | |||
| 36 | daniel-mar | 79 | $oid = uuid_to_oid($uuid); |
| 80 | |||
| 81 | echo sprintf("%-32s %s\n", "Your input:", $uuid); |
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| 82 | echo "\n"; |
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| 83 | echo "<u>Various notations:</u>\n"; |
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| 84 | echo "\n"; |
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| 85 | echo sprintf("%-32s %s\n", "URN:", 'urn:uuid:' . strtolower(oid_to_uuid(uuid_to_oid($uuid)))); |
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| 86 | echo sprintf("%-32s %s\n", "URI:", 'uuid:' . strtolower(oid_to_uuid(uuid_to_oid($uuid)))); |
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| 87 | echo sprintf("%-32s %s\n", "Microsoft GUID syntax:", '{' . strtoupper(oid_to_uuid(uuid_to_oid($uuid))) . '}'); |
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| 88 | echo sprintf("%-32s %s\n", "C++ struct syntax:", uuid_c_syntax($uuid)); |
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| 89 | echo "\n"; |
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| 90 | |||
| 91 | echo sprintf("%-32s %s\n", "As OID (ISO/ITU-T 128 bits):", $oid=uuid_to_oid($uuid, '2.25')); |
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| 92 | # Removed because it is too much information (we would also need to add this to the other OIDs too) |
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| 93 | #if (class_exists('OidDerConverter')) { |
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| 94 | # echo sprintf("%-32s %s\n", "DER encoding of OID:", OidDerConverter::hexarrayToStr(OidDerConverter::oidToDER($oid))); |
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| 95 | #} |
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| 96 | echo sprintf("%-32s %s\n", "As OID (Microsoft):", $oid=uuid_to_oid($uuid, '1.2.840.113556.1.8000.2554')); |
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| 97 | echo sprintf("%-32s %s\n", "As OID (Waterjuice 2x64 bits):", $oid=uuid_to_oid($uuid, '1.3.6.1.4.1.54392.1')); |
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| 98 | echo sprintf("%-32s %s\n", "As OID (Waterjuice 4x32 bits):", $oid=uuid_to_oid($uuid, '1.3.6.1.4.1.54392.2')); |
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| 99 | echo sprintf("%-32s %s\n", "As OID (Waterjuice 8x16 bits):", $oid=uuid_to_oid($uuid, '1.3.6.1.4.1.54392.3')); |
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| 100 | |||
| 101 | echo "\n"; |
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| 102 | |||
| 103 | echo "<u>Interpretation of the UUID:</u>\n\n"; |
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| 104 | |||
| 34 | daniel-mar | 105 | if (!$echo) ob_start(); |
| 106 | |||
| 16 | daniel-mar | 107 | #$uuid = trim($uuid); |
| 3 | daniel-mar | 108 | # $uuid = str_replace(array('-', '{', '}'), '', $uuid); |
| 34 | daniel-mar | 109 | $uuid = strtolower($uuid); |
| 110 | $uuid = preg_replace('@[^0-9A-F]@i', '', $uuid); |
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| 3 | daniel-mar | 111 | |
| 112 | $x = hexdec(substr($uuid, 16, 1)); |
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| 34 | daniel-mar | 113 | if ($x >= 14 /* 0b1110 */) $variant = 3; |
| 114 | else if ($x >= 12 /* 0b110_ */) $variant = 2; |
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| 115 | else if ($x >= 8 /* 0b10__ */) $variant = 1; |
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| 116 | else if ($x >= 0 /* 0b0___ */) $variant = 0; |
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| 16 | daniel-mar | 117 | else $variant = -1; // should not happen |
| 3 | daniel-mar | 118 | |
| 34 | daniel-mar | 119 | if ($uuid == '00000000000000000000000000000000') { |
| 120 | echo sprintf("%-32s %s\n", "Special Use:", "Nil UUID"); |
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| 121 | echo "\n"; |
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| 122 | } |
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| 123 | else if ($uuid == 'ffffffffffffffffffffffffffffffff') { |
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| 124 | echo sprintf("%-32s %s\n", "Special Use:", "Max UUID"); |
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| 125 | echo "\n"; |
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| 126 | } |
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| 127 | |||
| 3 | daniel-mar | 128 | switch ($variant) { |
| 129 | case 0: |
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| 34 | daniel-mar | 130 | echo sprintf("%-32s %s\n", "Variant:", "[0b0__] Network Computing System (NCS)"); |
| 3 | daniel-mar | 131 | |
| 132 | /* |
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| 133 | * Internal structure of variant #0 UUIDs |
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| 134 | * |
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| 135 | * The first 6 octets are the number of 4 usec units of time that have |
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| 136 | * passed since 1/1/80 0000 GMT. The next 2 octets are reserved for |
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| 137 | * future use. The next octet is an address family. The next 7 octets |
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| 138 | * are a host ID in the form allowed by the specified address family. |
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| 139 | * |
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| 140 | * Note that while the family field (octet 8) was originally conceived |
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| 141 | * of as being able to hold values in the range [0..255], only [0..13] |
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| 142 | * were ever used. Thus, the 2 MSB of this field are always 0 and are |
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| 143 | * used to distinguish old and current UUID forms. |
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| 144 | */ |
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| 145 | |||
| 34 | daniel-mar | 146 | /* |
| 147 | Variant 0 UUID |
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| 148 | - 32 bit High Time |
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| 149 | - 16 bit Low Time |
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| 150 | - 16 bit Reserved |
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| 151 | - 1 bit Variant (fix 0b0) |
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| 152 | - 7 bit Family |
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| 153 | - 56 bit Node |
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| 154 | */ |
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| 155 | |||
| 3 | daniel-mar | 156 | // Example of an UUID: 333a2276-0000-0000-0d00-00809c000000 |
| 157 | |||
| 34 | daniel-mar | 158 | // TODO: also show legacy format, e.g. 458487b55160.02.c0.64.02.03.00.00.00 |
| 3 | daniel-mar | 159 | |
| 34 | daniel-mar | 160 | # see also some notes at See https://github.com/cjsv/uuid/blob/master/Doc |
| 161 | |||
| 162 | /* |
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| 163 | NOTE: A generator is not possible, because there are no timestamps left! |
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| 164 | The last possible timestamp was: |
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| 165 | [0xFFFFFFFFFFFF] 2015-09-05 05:58:26'210655 GMT |
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| 166 | That is in the following UUID: |
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| 167 | ffffffff-ffff-0000-027f-000001000000 |
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| 168 | Current timestamp generator: |
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| 169 | echo dechex(round((microtime(true)+315532800)*250000)); |
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| 170 | */ |
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| 171 | |||
| 3 | daniel-mar | 172 | # Timestamp: Count of 4us intervals since 01 Jan 1980 00:00:00 GMT |
| 173 | # 1/0,000004 = 250000 |
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| 174 | # Seconds between 1970 and 1980 : 315532800 |
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| 175 | # 250000*315532800=78883200000000 |
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| 176 | $timestamp = substr($uuid, 0, 12); |
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| 177 | $ts = gmp_init($timestamp, 16); |
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| 34 | daniel-mar | 178 | $ts = gmp_add($ts, gmp_init("78883200000000", 10)); |
| 179 | $ms = gmp_mod($ts, gmp_init("250000", 10)); |
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| 180 | $ts = gmp_div($ts, gmp_init("250000", 10)); |
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| 181 | $ts = gmp_strval($ts, 10); |
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| 182 | $ms = gmp_strval($ms, 10); |
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| 183 | $ts = gmdate('Y-m-d H:i:s', intval($ts))."'".str_pad($ms, 6/*us*/, '0', STR_PAD_LEFT).' GMT'; |
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| 184 | echo sprintf("%-32s %s\n", "Timestamp:", "[0x$timestamp] $ts"); |
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| 3 | daniel-mar | 185 | |
| 186 | $reserved = substr($uuid, 12, 4); |
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| 34 | daniel-mar | 187 | echo sprintf("%-32s %s\n", "Reserved:", "[0x$reserved]"); |
| 3 | daniel-mar | 188 | |
| 189 | $family_hex = substr($uuid, 16, 2); |
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| 190 | $family_dec = hexdec($family_hex); |
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| 34 | daniel-mar | 191 | $nodeid_hex = substr($uuid, 18, 14); |
| 192 | $nodeid_dec = hexdec($nodeid_hex); |
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| 193 | |||
| 194 | // Sources: |
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| 195 | // - https://bitsavers.org/pdf/ibm/rs6000/aix_3.0/SC23-2206-0_AIX_Version_3_for_RS6000_Communications_Programming_Concepts_199003.pdf |
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| 196 | // - (For comparison) https://github.com/uuid6/uuid6-ietf-draft/issues/26#issuecomment-1062164457 |
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| 197 | // - (For comparison) https://learn.microsoft.com/en-us/dotnet/api/system.net.sockets.addressfamily?view=net-7.0 [numbers 0..13 are mostly identical] |
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| 198 | |||
| 199 | if ($family_dec == 0) { |
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| 200 | # Microsoft's AdressFamily: Unspecified 0 Unspecified address family. |
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| 201 | # AIX 3.0 Manual: 0 unspec = Unspecified |
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| 202 | $family_name = 'socket_$unspec (Unspecified)'; |
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| 203 | $nodeid_desc = ''; // TODO: how to interprete the Node-ID of that family? |
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| 204 | } |
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| 205 | else if ($family_dec == 1) { |
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| 206 | # Microsoft's AdressFamily: Unix 1 Unix local to host address. |
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| 207 | # AIX 3.0 Manual: 1 unix = Local to host (pipes, portals) |
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| 208 | $family_name = 'socket_$unix (Local to host, e.g. pipes, portals)'; |
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| 209 | $nodeid_desc = ''; // TODO: how to interprete the Node-ID of that family? |
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| 210 | } |
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| 211 | else if ($family_dec == 2) { |
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| 212 | # Microsoft's AdressFamily: InterNetwork 2 Address for IP version 4. |
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| 213 | # AIX 3.0 Manual: 2 ip = Internet Protocols |
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| 214 | $family_name = 'socket_$internet (Internet Protocols, e.g. IPv4)'; |
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| 215 | // https://www.ibm.com/docs/en/aix/7.1?topic=u-uuid-gen-command-ncs (AIX 7.1) shows the following example output for /etc/ncs/uuid_gen -P |
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| 216 | // := [ |
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| 217 | // time_high := 16#458487df, |
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| 218 | // time_low := 16#9fb2, |
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| 219 | // reserved := 16#000, |
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| 220 | // family := chr(16#02), |
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| 221 | // host := [chr(16#c0), chr(16#64), chr(16#02), chr(16#03), |
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| 222 | // chr(16#00), chr(16#00), chr(16#00)] |
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| 223 | // ] |
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| 224 | // This means that the IP address is 32 bits hex, and 32 bits are unused |
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| 225 | $nodeid_desc = hexdec(substr($nodeid_hex,0,2)).'.'. |
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| 226 | hexdec(substr($nodeid_hex,2,2)).'.'. |
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| 227 | hexdec(substr($nodeid_hex,4,2)).'.'. |
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| 228 | hexdec(substr($nodeid_hex,6,2)); |
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| 229 | $rest = substr($nodeid_hex,8,6); |
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| 230 | if ($rest != '000000') $nodeid_desc .= " + unexpected rest 0x$rest"; |
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| 231 | } |
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| 232 | else if ($family_dec == 3) { |
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| 233 | # Microsoft's AdressFamily: ImpLink 3 ARPANET IMP address. |
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| 234 | # AIX 3.0 Manual: 3 implink = ARPANET imp addresses |
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| 235 | $family_name = 'socket_$implink (ARPANET imp addresses)'; |
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| 236 | $nodeid_desc = ''; // TODO: how to interprete the Node-ID of that family? |
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| 237 | } |
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| 238 | else if ($family_dec == 4) { |
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| 239 | # Microsoft's AdressFamily: Pup 4 Address for PUP protocols. |
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| 240 | # AIX 3.0 Manual: 4 pup = Pup protocols (for example, BSP) |
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| 241 | $family_name = 'socket_$pup (Pup protocols, e.g. BSP)'; |
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| 242 | $nodeid_desc = ''; // TODO: how to interprete the Node-ID of that family? |
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| 243 | } |
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| 244 | else if ($family_dec == 5) { |
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| 245 | # Microsoft's AdressFamily: Chaos 5 Address for MIT CHAOS protocols. |
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| 246 | # AIX 3.0 Manual: 5 chaos = MIT CHAOS protocols |
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| 247 | $family_name = 'socket_$chaos (MIT CHAOS protocols)'; |
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| 248 | $nodeid_desc = ''; // TODO: how to interprete the Node-ID of that family? |
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| 249 | } |
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| 250 | else if ($family_dec == 6) { |
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| 251 | # Microsoft's AdressFamily: NS 6 Address for Xerox NS protocols. |
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| 252 | # Microsoft's AdressFamily: Ipx 6 IPX or SPX address. |
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| 253 | # AIX 3.0 Manual: 6 ns = XEROX NS protocols |
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| 254 | $family_name = 'socket_$ns (XEROX NS protocols)'; |
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| 255 | $nodeid_desc = ''; // TODO: how to interprete the Node-ID of that family? |
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| 256 | } |
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| 257 | else if ($family_dec == 7) { |
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| 258 | # Microsoft's AdressFamily: Osi 7 Address for OSI protocols. |
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| 259 | # Microsoft's AdressFamily: Iso 7 Address for ISO protocols. |
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| 260 | # AIX 3.0 Manual: 7 nbs = NBS protocols |
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| 261 | $family_name = 'socket_$nbs (NBS protocols)'; |
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| 262 | $nodeid_desc = ''; // TODO: how to interprete the Node-ID of that family? |
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| 263 | } |
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| 264 | else if ($family_dec == 8) { |
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| 265 | # Microsoft's AdressFamily: Ecma 8 European Computer Manufacturers Association (ECMA) address. |
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| 266 | # AIX 3.0 Manual: 8 ecma = European computer manufacturers |
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| 267 | $family_name = 'socket_$ecma (European computer manufacturers protocols)'; |
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| 268 | $nodeid_desc = ''; // TODO: how to interprete the Node-ID of that family? |
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| 269 | } |
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| 270 | else if ($family_dec == 9) { |
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| 271 | # Microsoft's AdressFamily: DataKit 9 Address for Datakit protocols. |
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| 272 | # AIX 3.0 Manual: 9 datakit = Datakit protocols |
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| 273 | $family_name = 'socket_$datakit (Datakit protocols)'; |
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| 274 | $nodeid_desc = ''; // TODO: how to interprete the Node-ID of that family? |
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| 275 | } |
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| 276 | else if ($family_dec == 10) { |
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| 277 | # Microsoft's AdressFamily: Ccitt 10 Addresses for CCITT protocols, such as X.25. |
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| 278 | # AIX 3.0 Manual: A ccitt = CCITT protocols (for example, X.25) |
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| 279 | $family_name = 'socket_$ccitt (CCITT protocols, e.g. X.25)'; |
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| 280 | $nodeid_desc = ''; // TODO: how to interprete the Node-ID of that family? |
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| 281 | } |
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| 282 | else if ($family_dec == 11) { |
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| 283 | # Microsoft's AdressFamily: Sna 11 IBM SNA address. |
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| 284 | # AIX 3.0 Manual: B sna = IBM SNA |
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| 285 | $family_name = 'socket_$sna (IBM SNA)'; |
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| 286 | $nodeid_desc = ''; // TODO: how to interprete the Node-ID of that family? |
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| 287 | } |
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| 288 | else if ($family_dec == 12) { |
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| 289 | # Microsoft's AdressFamily: DecNet 12 DECnet address. |
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| 290 | # AIX 3.0 Manual: C unspec2 = Unspecified |
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| 291 | $family_name = 'socket_$unspec2 (Unspecified)'; |
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| 292 | $nodeid_desc = ''; // TODO: how to interprete the Node-ID of that family? |
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| 293 | } |
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| 294 | else if ($family_dec == 13) { |
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| 295 | # Microsoft's AdressFamily: DataLink 13 Direct data-link interface address. |
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| 296 | # AIX 3.0 Manual: D dds = Domain DDS protocol |
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| 297 | # Some also call this "Data Link" ... Is that correct? |
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| 298 | $family_name = 'socket_$dds (Domain DDS protocol)'; |
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| 299 | // https://www.ibm.com/docs/en/aix/7.1?topic=u-uuid-gen-command-ncs (AIX 7.1) shows the following example output for /etc/ncs/uuid_gen -C |
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| 300 | // = { 0x34dc23af, |
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| 301 | // 0xf000, |
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| 302 | // 0x0000, |
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| 303 | // 0x0d, |
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| 304 | // {0x00, 0x00, 0x7c, 0x5f, 0x00, 0x00, 0x00} }; |
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| 305 | // https://github.com/cjsv/uuid/blob/master/Doc writes: |
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| 306 | // "Family 13 (dds) looks like node is 00 | nnnnnn 000000." |
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| 307 | |||
| 308 | $nodeid_desc = ''; |
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| 309 | |||
| 310 | $start = substr($nodeid_hex,0,2); |
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| 311 | if ($start != '00') $nodeid_desc .= "unexpected start 0x$start + "; |
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| 312 | |||
| 313 | $nodeid_desc .= ($nodeid_dec >> 24) & 0xFFFFFF; |
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| 314 | |||
| 315 | $rest = substr($nodeid_hex,8,6); |
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| 316 | if ($rest != '000000') $nodeid_desc .= " + unexpected rest 0x$rest"; |
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| 3 | daniel-mar | 317 | } else { |
| 34 | daniel-mar | 318 | $family_name = "Unknown (Family $family_dec)"; # There are probably no more families |
| 319 | $nodeid_desc = "Unknown"; |
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| 3 | daniel-mar | 320 | } |
| 34 | daniel-mar | 321 | echo sprintf("%-32s %s\n", "Family:", "[0x$family_hex] $family_name"); |
| 3 | daniel-mar | 322 | |
| 34 | daniel-mar | 323 | echo sprintf("%-32s %s\n", "Node ID:", "[0x$nodeid_hex] $nodeid_desc"); |
| 3 | daniel-mar | 324 | |
| 325 | break; |
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| 326 | case 1: |
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| 34 | daniel-mar | 327 | // TODO: Show byte order: 00112233-4455-6677-8899-aabbccddeeff => 00 11 22 33 44 55 66 77 88 99 aa bb cc dd ee ff |
| 3 | daniel-mar | 328 | |
| 329 | $version = hexdec(substr($uuid, 12, 1)); |
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| 34 | daniel-mar | 330 | |
| 331 | if ($version <= 2) { |
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| 332 | echo sprintf("%-32s %s\n", "Variant:", "[0b10_] RFC 4122 (Leach-Mealling-Salz) / DCE 1.1"); |
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| 333 | } else if (($version >= 3) && ($version <= 5)) { |
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| 334 | echo sprintf("%-32s %s\n", "Variant:", "[0b10_] RFC 4122 (Leach-Mealling-Salz)"); |
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| 335 | } else if (($version >= 6) && ($version <= 8)) { |
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| 36 | daniel-mar | 336 | echo sprintf("%-32s %s\n", "Variant:", "[0b10_] RFC draft-ietf-uuidrev-rfc4122bis (Davis-Peabody-Leach)"); // TODO: When new RFC is published, replace the RFC number |
| 34 | daniel-mar | 337 | } else { |
| 36 | daniel-mar | 338 | echo sprintf("%-32s %s\n", "Variant:", "[0b10_] Unknown RFC"); |
| 34 | daniel-mar | 339 | } |
| 340 | |||
| 3 | daniel-mar | 341 | switch ($version) { |
| 34 | daniel-mar | 342 | case 6: |
| 343 | /* |
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| 344 | Variant 1, Version 6 UUID |
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| 345 | - 48 bit High Time |
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| 346 | - 4 bit Version (fix 0x6) |
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| 347 | - 12 bit Low Time |
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| 348 | - 2 bit Variant (fix 0b10) |
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| 349 | - 6 bit Clock Sequence High |
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| 350 | - 8 bit Clock Sequence Low |
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| 351 | - 48 bit MAC Address |
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| 352 | */ |
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| 36 | daniel-mar | 353 | echo sprintf("%-32s %s\n", "Version:", "[0x6] Reordered Time-Based"); |
| 34 | daniel-mar | 354 | $uuid = substr($uuid, 0, 8).'-'. |
| 355 | substr($uuid, 8, 4).'-'. |
||
| 356 | substr($uuid, 12, 4).'-'. |
||
| 357 | substr($uuid, 16, 4).'-'. |
||
| 358 | substr($uuid, 20, 12); |
||
| 359 | $uuid = uuid6_to_uuid1($uuid); |
||
| 360 | $uuid = str_replace('-', '', $uuid); |
||
| 361 | |||
| 362 | /* fallthrough */ |
||
| 3 | daniel-mar | 363 | case 1: |
| 34 | daniel-mar | 364 | /* |
| 365 | Variant 1, Version 1 UUID |
||
| 366 | - 32 bit Low Time |
||
| 367 | - 16 bit Mid Time |
||
| 368 | - 4 bit Version (fix 0x1) |
||
| 369 | - 12 bit High Time |
||
| 370 | - 2 bit Variant (fix 0b10) |
||
| 371 | - 6 bit Clock Sequence High |
||
| 372 | - 8 bit Clock Sequence Low |
||
| 373 | - 48 bit MAC Address |
||
| 374 | */ |
||
| 3 | daniel-mar | 375 | |
| 36 | daniel-mar | 376 | if ($version == 1) echo sprintf("%-32s %s\n", "Version:", "[0x1] Time-based with unique host identifier"); |
| 34 | daniel-mar | 377 | |
| 3 | daniel-mar | 378 | # Timestamp: Count of 100ns intervals since 15 Oct 1582 00:00:00 |
| 379 | # 1/0,0000001 = 10000000 |
||
| 380 | $timestamp = substr($uuid, 13, 3).substr($uuid, 8, 4).substr($uuid, 0, 8); |
||
| 381 | $ts = gmp_init($timestamp, 16); |
||
| 34 | daniel-mar | 382 | $ts = gmp_sub($ts, gmp_init("122192928000000000", 10)); |
| 383 | $ms = gmp_mod($ts, gmp_init("10000000", 10)); |
||
| 384 | $ts = gmp_div($ts, gmp_init("10000000", 10)); |
||
| 385 | $ts = gmp_strval($ts, 10); |
||
| 386 | $ms = gmp_strval($ms, 10); |
||
| 387 | $ts = gmdate('Y-m-d H:i:s', intval($ts))."'".str_pad($ms, 7/*0.1us*/, '0', STR_PAD_LEFT).' GMT'; |
||
| 388 | echo sprintf("%-32s %s\n", "Timestamp:", "[0x$timestamp] $ts"); |
||
| 3 | daniel-mar | 389 | |
| 390 | $x = hexdec(substr($uuid, 16, 4)); |
||
| 9 | daniel-mar | 391 | $dec = $x & 0x3FFF; // The highest 2 bits are used by "variant" (10x) |
| 392 | $hex = substr($uuid, 16, 4); |
||
| 36 | daniel-mar | 393 | $hex = '<abbr title="The highest 2 bits are used by the UUID variant (10xx)">'.$hex[0].'</abbr>'.substr($hex,1); |
| 34 | daniel-mar | 394 | echo sprintf("%-32s %s\n", "Clock ID:", "[0x$hex] $dec"); |
| 3 | daniel-mar | 395 | |
| 396 | $x = substr($uuid, 20, 12); |
||
| 397 | $nodeid = ''; |
||
| 398 | for ($i=0; $i<6; $i++) { |
||
| 399 | $nodeid .= substr($x, $i*2, 2); |
||
| 34 | daniel-mar | 400 | if ($i != 5) $nodeid .= '-'; |
| 3 | daniel-mar | 401 | } |
| 34 | daniel-mar | 402 | $nodeid = strtoupper($nodeid); |
| 403 | echo sprintf("%-32s %s\n", "Node ID:", "[0x$x] $nodeid"); |
||
| 3 | daniel-mar | 404 | |
| 36 | daniel-mar | 405 | echo "\n<u>In case that this Node ID is a MAC address, here is the interpretation of that MAC address:</u>\n\n"; |
| 406 | decode_mac(strtoupper($nodeid)); |
||
| 3 | daniel-mar | 407 | |
| 408 | break; |
||
| 409 | case 2: |
||
| 34 | daniel-mar | 410 | /* |
| 411 | Variant 1, Version 2 UUID |
||
| 412 | - 32 bit Local Domain Number |
||
| 413 | - 16 bit Mid Time |
||
| 414 | - 4 bit Version (fix 0x2) |
||
| 415 | - 12 bit High Time |
||
| 416 | - 2 bit Variant (fix 0b10) |
||
| 417 | - 6 bit Clock Sequence |
||
| 418 | - 8 bit Local Domain |
||
| 419 | - 48 bit MAC Address |
||
| 420 | */ |
||
| 3 | daniel-mar | 421 | |
| 34 | daniel-mar | 422 | // see also https://unicorn-utterances.com/posts/what-happened-to-uuid-v2 |
| 3 | daniel-mar | 423 | |
| 36 | daniel-mar | 424 | echo sprintf("%-32s %s\n", "Version:", "[0x2] DCE Security version"); |
| 34 | daniel-mar | 425 | |
| 3 | daniel-mar | 426 | # The clock_seq_low field (which represents an integer in the range [0, 28-1]) is interpreted as a local domain (as represented by sec_rgy_domain_t; see sec_rgy_domain_t ); that is, an identifier domain meaningful to the local host. (Note that the data type sec_rgy_domain_t can potentially hold values outside the range [0, 28-1]; however, the only values currently registered are in the range [0, 2], so this type mismatch is not significant.) In the particular case of a POSIX host, the value sec_rgy_domain_person is to be interpreted as the "POSIX UID domain", and the value sec_rgy_domain_group is to be interpreted as the "POSIX GID domain". |
| 9 | daniel-mar | 427 | $x = substr($uuid, 18, 2); |
| 36 | daniel-mar | 428 | if ($x == '00') $domain_info = 'Person (e.g. POSIX UID)'; |
| 429 | else if ($x == '01') $domain_info = 'Group (e.g. POSIX GID)'; |
||
| 34 | daniel-mar | 430 | else if ($x == '02') $domain_info = 'Organization'; |
| 431 | else $domain_info = 'site-defined (Domain '.hexdec($x).')'; |
||
| 432 | echo sprintf("%-32s %s\n", "Local Domain:", "[0x$x] $domain_info"); |
||
| 3 | daniel-mar | 433 | |
| 34 | daniel-mar | 434 | # The time_low field (which represents an integer in the range [0, 232-1]) is interpreted as a local-ID; that is, an identifier (within the domain specified by clock_seq_low) meaningful to the local host. In the particular case of a POSIX host, when combined with a POSIX UID or POSIX GID domain in the clock_seq_low field (above), the time_low field represents a POSIX UID or POSIX GID, respectively. |
| 435 | $x = substr($uuid, 0, 8); |
||
| 436 | $dec = hexdec($x); |
||
| 437 | echo sprintf("%-32s %s\n", "Local Domain Number:", "[0x$x] $dec"); |
||
| 438 | |||
| 3 | daniel-mar | 439 | # Timestamp: Count of 100ns intervals since 15 Oct 1582 00:00:00 |
| 440 | # 1/0,0000001 = 10000000 |
||
| 9 | daniel-mar | 441 | $timestamp = substr($uuid, 13, 3).substr($uuid, 8, 4).'00000000'; |
| 3 | daniel-mar | 442 | $ts = gmp_init($timestamp, 16); |
| 34 | daniel-mar | 443 | $ts = gmp_sub($ts, gmp_init("122192928000000000", 10)); |
| 444 | $ms = gmp_mod($ts, gmp_init("10000000", 10)); |
||
| 445 | $ts = gmp_div($ts, gmp_init("10000000", 10)); |
||
| 446 | $ts = gmp_strval($ts, 10); |
||
| 447 | $ms = gmp_strval($ms, 10); |
||
| 448 | $ts_min = gmdate('Y-m-d H:i:s', intval($ts))."'".str_pad($ms, 7/*0.1us*/, '0', STR_PAD_LEFT).' GMT'; |
||
| 3 | daniel-mar | 449 | |
| 9 | daniel-mar | 450 | $timestamp = substr($uuid, 13, 3).substr($uuid, 8, 4).'FFFFFFFF'; |
| 451 | $ts = gmp_init($timestamp, 16); |
||
| 34 | daniel-mar | 452 | $ts = gmp_sub($ts, gmp_init("122192928000000000", 10)); |
| 453 | $ms = gmp_mod($ts, gmp_init("10000000", 10)); |
||
| 454 | $ts = gmp_div($ts, gmp_init("10000000", 10)); |
||
| 455 | $ts = gmp_strval($ts, 10); |
||
| 456 | $ms = gmp_strval($ms, 10); |
||
| 457 | $ts_max = gmdate('Y-m-d H:i:s', intval($ts))."'".str_pad($ms, 7/*0.1us*/, '0', STR_PAD_LEFT).' GMT'; |
||
| 3 | daniel-mar | 458 | |
| 34 | daniel-mar | 459 | $timestamp = substr($uuid, 13, 3).substr($uuid, 8, 4)/*.'xxxxxxxx'*/; |
| 460 | echo sprintf("%-32s %s\n", "Timestamp:", "[0x$timestamp] $ts_min - $ts_max"); |
||
| 9 | daniel-mar | 461 | |
| 34 | daniel-mar | 462 | $x = hexdec(substr($uuid, 16, 2)); |
| 463 | $dec = $x & 0x3F; // The highest 2 bits are used by "variant" (10xx) |
||
| 464 | $hex = substr($uuid, 16, 2); |
||
| 36 | daniel-mar | 465 | $hex = '<abbr title="The highest 2 bits are used by the UUID variant (10xx)">'.$hex[0].'</abbr>'.substr($hex,1); |
| 34 | daniel-mar | 466 | echo sprintf("%-32s %s\n", "Clock ID:", "[0x$hex] $dec"); |
| 9 | daniel-mar | 467 | |
| 3 | daniel-mar | 468 | $x = substr($uuid, 20, 12); |
| 469 | $nodeid = ''; |
||
| 470 | for ($i=0; $i<6; $i++) { |
||
| 471 | $nodeid .= substr($x, $i*2, 2); |
||
| 34 | daniel-mar | 472 | if ($i != 5) $nodeid .= '-'; |
| 3 | daniel-mar | 473 | } |
| 34 | daniel-mar | 474 | $nodeid = strtoupper($nodeid); |
| 475 | echo sprintf("%-32s %s\n", "Node ID:", "[0x$x] $nodeid"); |
||
| 3 | daniel-mar | 476 | |
| 36 | daniel-mar | 477 | echo "\n<u>In case that this Node ID is a MAC address, here is the interpretation of that MAC address:</u>\n\n"; |
| 478 | decode_mac(strtoupper($nodeid)); |
||
| 3 | daniel-mar | 479 | |
| 480 | break; |
||
| 481 | case 3: |
||
| 34 | daniel-mar | 482 | /* |
| 483 | Variant 1, Version 3 UUID |
||
| 484 | - 48 bit Hash High |
||
| 485 | - 4 bit Version (fix 0x3) |
||
| 486 | - 12 bit Hash Mid |
||
| 487 | - 2 bit Variant (fix 0b10) |
||
| 488 | - 62 bit Hash Low |
||
| 489 | */ |
||
| 3 | daniel-mar | 490 | |
| 36 | daniel-mar | 491 | echo sprintf("%-32s %s\n", "Version:", "[0x3] Name-based (MD5 hash)"); |
| 34 | daniel-mar | 492 | |
| 9 | daniel-mar | 493 | $hash = str_replace('-', '', strtolower($uuid)); |
| 34 | daniel-mar | 494 | |
| 9 | daniel-mar | 495 | $hash[12] = '?'; // was overwritten by version |
| 34 | daniel-mar | 496 | |
| 497 | $var16a = strtoupper(dechex(hexdec($hash[16]) & 0b0011 | 0b0000)); |
||
| 498 | $var16b = strtoupper(dechex(hexdec($hash[16]) & 0b0011 | 0b0100)); |
||
| 499 | $var16c = strtoupper(dechex(hexdec($hash[16]) & 0b0011 | 0b1000)); |
||
| 500 | $var16d = strtoupper(dechex(hexdec($hash[16]) & 0b0011 | 0b1100)); |
||
| 9 | daniel-mar | 501 | $hash[16] = '?'; // was partially overwritten by variant |
| 3 | daniel-mar | 502 | |
| 36 | daniel-mar | 503 | $p = 16; |
| 504 | $hash = substr($hash,0,$p)."<abbr title=\"$var16a, $var16b, $var16c, or $var16d\">".substr($hash,$p,1).'</abbr>'.substr($hash,$p+1); |
||
| 34 | daniel-mar | 505 | echo sprintf("%-32s %s\n", "MD5(Namespace+Subject):", "[0x$hash]"); |
| 9 | daniel-mar | 506 | |
| 3 | daniel-mar | 507 | break; |
| 508 | case 4: |
||
| 34 | daniel-mar | 509 | /* |
| 510 | Variant 1, Version 4 UUID |
||
| 511 | - 48 bit Random High |
||
| 512 | - 4 bit Version (fix 0x4) |
||
| 513 | - 12 bit Random Mid |
||
| 514 | - 2 bit Variant (fix 0b10) |
||
| 515 | - 62 bit Random Low |
||
| 516 | */ |
||
| 3 | daniel-mar | 517 | |
| 36 | daniel-mar | 518 | echo sprintf("%-32s %s\n", "Version:", "[0x4] Random"); |
| 34 | daniel-mar | 519 | |
| 520 | $rand_line1 = ''; |
||
| 521 | $rand_line2 = ''; |
||
| 3 | daniel-mar | 522 | for ($i=0; $i<16; $i++) { |
| 523 | $bin = base_convert(substr($uuid, $i*2, 2), 16, 2); |
||
| 524 | $bin = str_pad($bin, 8, "0", STR_PAD_LEFT); |
||
| 525 | |||
| 526 | if ($i == 6) { |
||
| 34 | daniel-mar | 527 | // was overwritten by version |
| 528 | $bin[0] = '?'; |
||
| 529 | $bin[1] = '?'; |
||
| 530 | $bin[2] = '?'; |
||
| 531 | $bin[3] = '?'; |
||
| 3 | daniel-mar | 532 | } else if ($i == 8) { |
| 34 | daniel-mar | 533 | // was partially overwritten by variant |
| 534 | $bin[0] = '?'; |
||
| 535 | $bin[1] = '?'; |
||
| 3 | daniel-mar | 536 | } |
| 537 | |||
| 34 | daniel-mar | 538 | if ($i<8) $rand_line1 .= "$bin "; |
| 539 | if ($i>=8) $rand_line2 .= "$bin "; |
||
| 3 | daniel-mar | 540 | } |
| 34 | daniel-mar | 541 | echo sprintf("%-32s %s\n", "Random bits:", trim($rand_line1)); |
| 542 | echo sprintf("%-32s %s\n", "", trim($rand_line2)); |
||
| 3 | daniel-mar | 543 | |
| 34 | daniel-mar | 544 | $rand_bytes = str_replace('-', '', strtolower($uuid)); |
| 545 | $rand_bytes[12] = '?'; // was overwritten by version |
||
| 546 | $var16a = strtoupper(dechex(hexdec($rand_bytes[16]) & 0b0011 | 0b0000)); |
||
| 547 | $var16b = strtoupper(dechex(hexdec($rand_bytes[16]) & 0b0011 | 0b0100)); |
||
| 548 | $var16c = strtoupper(dechex(hexdec($rand_bytes[16]) & 0b0011 | 0b1000)); |
||
| 549 | $var16d = strtoupper(dechex(hexdec($rand_bytes[16]) & 0b0011 | 0b1100)); |
||
| 550 | $rand_bytes[16] = '?'; // was partially overwritten by variant |
||
| 36 | daniel-mar | 551 | |
| 552 | $p = 16; |
||
| 553 | $rand_bytes = substr($rand_bytes,0,$p)."<abbr title=\"$var16a, $var16b, $var16c, or $var16d\">".substr($rand_bytes,$p,1).'</abbr>'.substr($rand_bytes,$p+1); |
||
| 34 | daniel-mar | 554 | echo sprintf("%-32s %s\n", "Random bytes:", "[0x$rand_bytes]"); |
| 3 | daniel-mar | 555 | |
| 556 | break; |
||
| 557 | case 5: |
||
| 34 | daniel-mar | 558 | /* |
| 559 | Variant 1, Version 5 UUID |
||
| 560 | - 48 bit Hash High |
||
| 561 | - 4 bit Version (fix 0x5) |
||
| 562 | - 12 bit Hash Mid |
||
| 563 | - 2 bit Variant (fix 0b10) |
||
| 564 | - 62 bit Hash Low |
||
| 565 | */ |
||
| 3 | daniel-mar | 566 | |
| 36 | daniel-mar | 567 | echo sprintf("%-32s %s\n", "Version:", "[0x5] Name-based (SHA-1 hash)"); |
| 34 | daniel-mar | 568 | |
| 9 | daniel-mar | 569 | $hash = str_replace('-', '', strtolower($uuid)); |
| 34 | daniel-mar | 570 | |
| 9 | daniel-mar | 571 | $hash[12] = '?'; // was overwritten by version |
| 34 | daniel-mar | 572 | |
| 573 | $var16a = strtoupper(dechex(hexdec($hash[16]) & 0b0011 | 0b0000)); |
||
| 574 | $var16b = strtoupper(dechex(hexdec($hash[16]) & 0b0011 | 0b0100)); |
||
| 575 | $var16c = strtoupper(dechex(hexdec($hash[16]) & 0b0011 | 0b1000)); |
||
| 576 | $var16d = strtoupper(dechex(hexdec($hash[16]) & 0b0011 | 0b1100)); |
||
| 9 | daniel-mar | 577 | $hash[16] = '?'; // was partially overwritten by variant |
| 34 | daniel-mar | 578 | |
| 9 | daniel-mar | 579 | $hash .= '????????'; // was cut off |
| 3 | daniel-mar | 580 | |
| 36 | daniel-mar | 581 | $p = 16; |
| 582 | $hash = substr($hash,0,$p)."<abbr title=\"$var16a, $var16b, $var16c, or $var16d\">".substr($hash,$p,1).'</abbr>'.substr($hash,$p+1); |
||
| 34 | daniel-mar | 583 | echo sprintf("%-32s %s\n", "SHA1(Namespace+Subject):", "[0x$hash]"); |
| 9 | daniel-mar | 584 | |
| 34 | daniel-mar | 585 | break; |
| 586 | case 7: |
||
| 587 | /* |
||
| 588 | Variant 1, Version 7 UUID |
||
| 589 | - 48 bit Unix Time in milliseconds |
||
| 590 | - 4 bit Version (fix 0x7) |
||
| 36 | daniel-mar | 591 | - 12 bit Data |
| 34 | daniel-mar | 592 | - 2 bit Variant (fix 0b10) |
| 36 | daniel-mar | 593 | - 62 bit Data |
| 594 | |||
| 595 | Structure of data (74 bits): |
||
| 596 | - OPTIONAL : Sub-millisecond timestamp fraction (0-12 bits) |
||
| 597 | - OPTIONAL : Carefully seeded counter |
||
| 598 | - Random generated bits for any remaining space |
||
| 599 | |||
| 600 | Since we don't know if timestamp fraction or counters are implemented |
||
| 601 | (and if so, how many bits), we don't decode this information |
||
| 34 | daniel-mar | 602 | */ |
| 9 | daniel-mar | 603 | |
| 36 | daniel-mar | 604 | echo sprintf("%-32s %s\n", "Version:", "[0x7] Unix Epoch Time"); |
| 34 | daniel-mar | 605 | |
| 606 | $timestamp = substr($uuid, 0, 12); |
||
| 607 | |||
| 608 | // Timestamp: Split into seconds and milliseconds |
||
| 609 | $ts = gmp_init($timestamp, 16); |
||
| 610 | $ms = gmp_mod($ts, gmp_init("1000", 10)); |
||
| 611 | $ts = gmp_div($ts, gmp_init("1000", 10)); |
||
| 612 | $ts = gmp_strval($ts, 10); |
||
| 613 | $ms = gmp_strval($ms, 10); |
||
| 614 | $ts = gmdate('Y-m-d H:i:s', intval($ts))."'".str_pad($ms, 3/*ms*/, '0', STR_PAD_LEFT).' GMT'; |
||
| 615 | echo sprintf("%-32s %s\n", "Timestamp:", "[0x$timestamp] $ts"); |
||
| 616 | |||
| 617 | $rand = ''; |
||
| 618 | for ($i=6; $i<16; $i++) { |
||
| 619 | $bin = base_convert(substr($uuid, $i*2, 2), 16, 2); |
||
| 620 | $bin = str_pad($bin, 8, "0", STR_PAD_LEFT); |
||
| 621 | |||
| 622 | if ($i == 6) { |
||
| 623 | // was overwritten by version |
||
| 624 | $bin[0] = '?'; |
||
| 625 | $bin[1] = '?'; |
||
| 626 | $bin[2] = '?'; |
||
| 627 | $bin[3] = '?'; |
||
| 628 | } else if ($i == 8) { |
||
| 629 | // was partially overwritten by variant |
||
| 630 | $bin[0] = '?'; |
||
| 631 | $bin[1] = '?'; |
||
| 632 | } |
||
| 633 | |||
| 634 | $rand .= "$bin "; |
||
| 635 | } |
||
| 636 | echo sprintf("%-32s %s\n", "Random bits:", trim($rand)); |
||
| 637 | |||
| 638 | $rand_bytes = substr(str_replace('-', '', strtolower($uuid)),13); |
||
| 639 | $var16a = strtoupper(dechex(hexdec($rand_bytes[3]) & 0b0011 | 0b0000)); |
||
| 640 | $var16b = strtoupper(dechex(hexdec($rand_bytes[3]) & 0b0011 | 0b0100)); |
||
| 641 | $var16c = strtoupper(dechex(hexdec($rand_bytes[3]) & 0b0011 | 0b1000)); |
||
| 642 | $var16d = strtoupper(dechex(hexdec($rand_bytes[3]) & 0b0011 | 0b1100)); |
||
| 643 | $rand_bytes[3] = '?'; // was partially overwritten by variant |
||
| 36 | daniel-mar | 644 | |
| 645 | $p = 3; |
||
| 646 | $rand_bytes = substr($rand_bytes,0,$p)."<abbr title=\"$var16a, $var16b, $var16c, or $var16d\">".substr($rand_bytes,$p,1).'</abbr>'.substr($rand_bytes,$p+1); |
||
| 34 | daniel-mar | 647 | echo sprintf("%-32s %s\n", "Random bytes:", "[0x$rand_bytes]"); |
| 648 | |||
| 649 | // TODO: convert to and from Base32 CROCKFORD ULID (make 2 methods in uuid_utils.inc.php) |
||
| 650 | // e.g. ULID: 01GCZ05N3JFRKBRWKNGCQZGP44 |
||
| 651 | // "Be aware that all version 7 UUIDs may be converted to ULIDs but not all ULIDs may be converted to UUIDs." |
||
| 652 | |||
| 3 | daniel-mar | 653 | break; |
| 34 | daniel-mar | 654 | case 8: |
| 655 | /* |
||
| 656 | Variant 1, Version 8 UUID |
||
| 36 | daniel-mar | 657 | - 48 bit Custom data [Block 1+2] |
| 34 | daniel-mar | 658 | - 4 bit Version (fix 0x8) |
| 36 | daniel-mar | 659 | - 12 bit Custom data [Block 3] |
| 34 | daniel-mar | 660 | - 2 bit Variant (fix 0b10) |
| 36 | daniel-mar | 661 | - 62 bit Custom data [Block 4+5] |
| 34 | daniel-mar | 662 | */ |
| 663 | |||
| 36 | daniel-mar | 664 | echo sprintf("%-32s %s\n", "Version:", "[0x8] Custom implementation"); |
| 34 | daniel-mar | 665 | |
| 666 | $custom_data = substr($uuid,0,12).substr($uuid,13); // exclude version nibble |
||
| 667 | $custom_data[15] = dechex(hexdec($custom_data[15]) & 0b0011); // nibble was partially overwritten by variant |
||
| 668 | $custom_data = strtolower($custom_data); |
||
| 669 | |||
| 670 | $custom_block1 = substr($uuid, 0, 8); |
||
| 671 | $custom_block2 = substr($uuid, 8, 4); |
||
| 672 | $custom_block3 = substr($uuid, 12, 4); |
||
| 673 | $custom_block4 = substr($uuid, 16, 4); |
||
| 674 | $custom_block5 = substr($uuid, 20); |
||
| 675 | |||
| 676 | $custom_block3 = substr($custom_block3, 1); // remove version |
||
| 677 | $custom_block4[0] = dechex(hexdec($custom_block4[0]) & 0b0011); // remove variant |
||
| 678 | |||
| 679 | echo sprintf("%-32s %s\n", "Custom data:", "[0x$custom_data]"); |
||
| 36 | daniel-mar | 680 | echo sprintf("%-32s %s\n", "Custom data block1 (32 bit):", "[0x$custom_block1]"); |
| 681 | echo sprintf("%-32s %s\n", "Custom data block2 (16 bit):", "[0x$custom_block2]"); |
||
| 682 | echo sprintf("%-32s %s\n", "Custom data block3 (12 bit):", "[0x$custom_block3]"); |
||
| 683 | echo sprintf("%-32s %s\n", "Custom data block4 (14 bit):", "[0x$custom_block4]"); |
||
| 684 | echo sprintf("%-32s %s\n", "Custom data block5 (48 bit):", "[0x$custom_block5]"); |
||
| 34 | daniel-mar | 685 | |
| 36 | daniel-mar | 686 | // START: Check if Custom UUIDv8 is likely an OIDplus 2.0 Custom UUID |
| 687 | |||
| 688 | $oidplus_systemid_hex = $custom_block1; |
||
| 689 | $oidplus_systemid_int = hexdec($oidplus_systemid_hex); // 31 bit hash of public key |
||
| 690 | $oidplus_systemid_valid = hexdec($custom_block1) < 0x80000000; |
||
| 691 | |||
| 692 | $oidplus_creation_hex = $custom_block2; |
||
| 693 | $oidplus_creation_int = hexdec($oidplus_creation_hex); // days since 1 January 1970, or 0 if unknown |
||
| 694 | //$oidplus_creation_valid = ($oidplus_creation_int >= 14610/*1 Jan 2010*/) && ($oidplus_creation_int <= floor(time()/24/60/60)/*Today*/); |
||
| 695 | $oidplus_creation_unknown = $oidplus_creation_int == 0; |
||
| 696 | |||
| 697 | $oidplus_reserved_hex = $custom_block3; |
||
| 698 | $oidplus_reserved_int = hexdec($oidplus_reserved_hex); |
||
| 699 | |||
| 700 | $oidplus_namespace_hex = $custom_block4; |
||
| 701 | $oidplus_namespace_int = hexdec($oidplus_namespace_hex); |
||
| 702 | |||
| 703 | $oidplus_data_hex = $custom_block5; |
||
| 704 | $oidplus_data_int = (PHP_INT_SIZE == 4) ? gmp_strval(gmp_init($oidplus_data_hex,16),10) : hexdec($custom_block5); |
||
| 705 | |||
| 706 | if ($oidplus_systemid_valid && ($oidplus_reserved_int == 0)) { |
||
| 707 | if (($oidplus_namespace_int == 0) && $oidplus_creation_unknown && (strtolower($oidplus_data_hex) == '1890afd80709')) { |
||
| 708 | // System GUID, e.g. 6e932dd7-0000-8000-8000-1890afd80709 |
||
| 709 | echo "\n<u>Interpretation of <a href=\"https://github.com/danielmarschall/oidplus/blob/master/doc/oidplus_custom_guid.md\">OIDplus 2.0 Custom UUID</a></u>\n\n"; |
||
| 710 | echo sprintf("%-32s %s\n", "System ID:", "[0x$oidplus_systemid_hex] ".$oidplus_systemid_int); |
||
| 711 | echo sprintf("%-32s %s\n", "Creation time:", "[0x$oidplus_creation_hex] ".($oidplus_creation_unknown ? 'Unknown' : date('Y-m-d', $oidplus_creation_int*24*60*60))); /**@phpstan-ignore-line*/ |
||
| 712 | echo sprintf("%-32s %s\n", "Reserved:", "[0x$oidplus_reserved_hex]"); |
||
| 713 | echo sprintf("%-32s %s\n", "Namespace:", "[0x$oidplus_namespace_hex] $oidplus_namespace_int=System"); |
||
| 714 | echo sprintf("%-32s %s\n", "Data (empty string hash):", "[0x$oidplus_data_hex] SHA1('') = ????????????????????????????$oidplus_data_hex"); |
||
| 715 | } |
||
| 716 | else if (($oidplus_namespace_int == 1) && $oidplus_creation_unknown) { |
||
| 717 | // User GUID, e.g. 6e932dd7-0000-8000-8001-2938f50e857e (User), 6e932dd7-0000-8000-8001-000000000000 (Admin) |
||
| 718 | echo "\n<u>Interpretation of <a href=\"https://github.com/danielmarschall/oidplus/blob/master/doc/oidplus_custom_guid.md\">OIDplus 2.0 Custom UUID</a></u>\n\n"; |
||
| 719 | echo sprintf("%-32s %s\n", "System ID:", "[0x$oidplus_systemid_hex] ".$oidplus_systemid_int); |
||
| 720 | echo sprintf("%-32s %s\n", "Creation time:", "[0x$oidplus_creation_hex] ".($oidplus_creation_unknown ? 'Unknown' : date('Y-m-d', $oidplus_creation_int*24*60*60))); /**@phpstan-ignore-line*/ |
||
| 721 | echo sprintf("%-32s %s\n", "Reserved:", "[0x$oidplus_reserved_hex]"); |
||
| 722 | echo sprintf("%-32s %s\n", "Namespace:", "[0x$oidplus_namespace_hex] $oidplus_namespace_int=User"); |
||
| 723 | if ($oidplus_data_int == 0) { |
||
| 724 | echo sprintf("%-32s %s\n", "Data (Username):", "[0x$oidplus_data_hex] 0=Admin"); |
||
| 725 | } else { |
||
| 726 | echo sprintf("%-32s %s\n", "Data (Username):", "[0x$oidplus_data_hex] SHA1(UserName) = ????????????????????????????$oidplus_data_hex"); |
||
| 727 | } |
||
| 728 | } |
||
| 729 | else if (($oidplus_namespace_int == 2)/* && $oidplus_creation_valid*/) { |
||
| 730 | // Log entry GUID, e.g. 6e932dd7-458c-8000-8002-0000000004d2 |
||
| 731 | echo "\n<u>Interpretation of <a href=\"https://github.com/danielmarschall/oidplus/blob/master/doc/oidplus_custom_guid.md\">OIDplus 2.0 Custom UUID</a></u>\n\n"; |
||
| 732 | echo sprintf("%-32s %s\n", "System ID:", "[0x$oidplus_systemid_hex] ".$oidplus_systemid_int); |
||
| 733 | echo sprintf("%-32s %s\n", "Creation time:", "[0x$oidplus_creation_hex] ".($oidplus_creation_unknown ? 'Unknown' : date('Y-m-d', $oidplus_creation_int*24*60*60))); |
||
| 734 | echo sprintf("%-32s %s\n", "Reserved:", "[0x$oidplus_reserved_hex]"); |
||
| 735 | echo sprintf("%-32s %s\n", "Namespace:", "[0x$oidplus_namespace_hex] $oidplus_namespace_int=Log Entry"); |
||
| 736 | echo sprintf("%-32s %s\n", "Data (Sequence number):", "[0x$oidplus_data_hex] $oidplus_data_int"); |
||
| 737 | } |
||
| 738 | else if (($oidplus_namespace_int == 3) && $oidplus_creation_unknown) { |
||
| 739 | // Configuration entry GUID, e.g. 6e932dd7-0000-8000-8003-f14dda42862a |
||
| 740 | echo "\n<u>Interpretation of <a href=\"https://github.com/danielmarschall/oidplus/blob/master/doc/oidplus_custom_guid.md\">OIDplus 2.0 Custom UUID</a></u>\n\n"; |
||
| 741 | echo sprintf("%-32s %s\n", "System ID:", "[0x$oidplus_systemid_hex] ".$oidplus_systemid_int); |
||
| 742 | echo sprintf("%-32s %s\n", "Creation time:", "[0x$oidplus_creation_hex] ".($oidplus_creation_unknown ? 'Unknown' : date('Y-m-d', $oidplus_creation_int*24*60*60))); /**@phpstan-ignore-line*/ |
||
| 743 | echo sprintf("%-32s %s\n", "Reserved:", "[0x$oidplus_reserved_hex]"); |
||
| 744 | echo sprintf("%-32s %s\n", "Namespace:", "[0x$oidplus_namespace_hex] $oidplus_namespace_int=Configuration Entry"); |
||
| 745 | echo sprintf("%-32s %s\n", "Data (Setting name hash):", "[0x$oidplus_data_hex] SHA1(SettingName) = ????????????????????????????$oidplus_data_hex"); |
||
| 746 | } |
||
| 747 | else if ($oidplus_namespace_int == 4) { |
||
| 748 | // ASN.1 Alpahnumeric identifier GUID, e.g. 6e932dd7-0000-8000-8004-208ded8a3f8f |
||
| 749 | echo "\n<u>Interpretation of <a href=\"https://github.com/danielmarschall/oidplus/blob/master/doc/oidplus_custom_guid.md\">OIDplus 2.0 Custom UUID</a></u>\n\n"; |
||
| 750 | echo sprintf("%-32s %s\n", "System ID:", "[0x$oidplus_systemid_hex] ".$oidplus_systemid_int); |
||
| 751 | echo sprintf("%-32s %s\n", "Creation time:", "[0x$oidplus_creation_hex] ".($oidplus_creation_unknown ? 'Unknown' : date('Y-m-d', $oidplus_creation_int*24*60*60))); |
||
| 752 | echo sprintf("%-32s %s\n", "Reserved:", "[0x$oidplus_reserved_hex]"); |
||
| 753 | echo sprintf("%-32s %s\n", "Namespace:", "[0x$oidplus_namespace_hex] $oidplus_namespace_int=ASN.1 Alphanumeric ID"); |
||
| 754 | $oidplus_data_24hi_hex = substr($oidplus_data_hex, 0, 6); |
||
| 755 | $oidplus_data_24lo_hex = substr($oidplus_data_hex, 6, 6); |
||
| 756 | echo sprintf("%-32s %s\n", "Data (OID hash):", "[0x$oidplus_data_24hi_hex] SHA1(OID) = ????????????????????????????$oidplus_data_24hi_hex"); |
||
| 757 | echo sprintf("%-32s %s\n", "Data (Name hash):", "[0x$oidplus_data_24lo_hex] SHA1(AlphaNumId) = ????????????????????????????$oidplus_data_24lo_hex"); |
||
| 758 | } |
||
| 759 | else if ($oidplus_namespace_int == 5) { |
||
| 760 | // Unicode Label entry GUID, e.g. 6e932dd7-0000-8000-8005-208dedaf9a96 |
||
| 761 | echo "\n<u>Interpretation of <a href=\"https://github.com/danielmarschall/oidplus/blob/master/doc/oidplus_custom_guid.md\">OIDplus 2.0 Custom UUID</a></u>\n\n"; |
||
| 762 | echo sprintf("%-32s %s\n", "System ID:", "[0x$oidplus_systemid_hex] ".$oidplus_systemid_int); |
||
| 763 | echo sprintf("%-32s %s\n", "Creation time:", "[0x$oidplus_creation_hex] ".($oidplus_creation_unknown ? 'Unknown' : date('Y-m-d', $oidplus_creation_int*24*60*60))); |
||
| 764 | echo sprintf("%-32s %s\n", "Reserved:", "[0x$oidplus_reserved_hex]"); |
||
| 765 | echo sprintf("%-32s %s\n", "Namespace:", "[0x$oidplus_namespace_hex] $oidplus_namespace_int=Unicode Label"); |
||
| 766 | $oidplus_data_24hi_hex = substr($oidplus_data_hex, 0, 6); |
||
| 767 | $oidplus_data_24lo_hex = substr($oidplus_data_hex, 6, 6); |
||
| 768 | echo sprintf("%-32s %s\n", "Data (OID hash):", "[0x$oidplus_data_24hi_hex] SHA1(OID) = ????????????????????????????$oidplus_data_24hi_hex"); |
||
| 769 | echo sprintf("%-32s %s\n", "Data (Name hash):", "[0x$oidplus_data_24lo_hex] SHA1(UnicodeLabel) = ????????????????????????????$oidplus_data_24lo_hex"); |
||
| 770 | } |
||
| 771 | else if (($oidplus_namespace_int >= 6) && ($oidplus_namespace_int <= 0xF)) { |
||
| 772 | // System reserved |
||
| 773 | echo "\n<u>Interpretation of <a href=\"https://github.com/danielmarschall/oidplus/blob/master/doc/oidplus_custom_guid.md\">OIDplus 2.0 Custom UUID</a></u>\n\n"; |
||
| 774 | echo sprintf("%-32s %s\n", "System ID:", "[0x$oidplus_systemid_hex] ".$oidplus_systemid_int); |
||
| 775 | echo sprintf("%-32s %s\n", "Creation time:", "[0x$oidplus_creation_hex] ".($oidplus_creation_unknown ? 'Unknown' : date('Y-m-d', $oidplus_creation_int*24*60*60))); |
||
| 776 | echo sprintf("%-32s %s\n", "Reserved:", "[0x$oidplus_reserved_hex]"); |
||
| 777 | echo sprintf("%-32s %s\n", "Namespace:", "[0x$oidplus_namespace_hex] $oidplus_namespace_int=Unknown (System Reserved)"); |
||
| 778 | echo sprintf("%-32s %s\n", "Data (Setting name hash):", "[0x$oidplus_data_hex] Unknown"); |
||
| 779 | } |
||
| 780 | else if ($oidplus_namespace_int > 0xF) { |
||
| 781 | // Information Object GUID, e.g. 6e932dd7-458c-8000-b9e9-c1e3894d1105 |
||
| 782 | $known_objecttype_plugins = array( |
||
| 783 | // Latest list here: https://github.com/danielmarschall/oidplus/blob/master/doc/oidplus_custom_guid.md |
||
| 784 | '1.3.6.1.4.1.37476.2.5.2.4.8.1' => 'doi (ViaThinkSoft plugin)', |
||
| 785 | '1.3.6.1.4.1.37476.2.5.2.4.8.2' => 'gs1 (ViaThinkSoft plugin)', |
||
| 786 | '1.3.6.1.4.1.37476.2.5.2.4.8.3' => 'guid (ViaThinkSoft plugin)', |
||
| 787 | '1.3.6.1.4.1.37476.2.5.2.4.8.4' => 'ipv4 (ViaThinkSoft plugin)', |
||
| 788 | '1.3.6.1.4.1.37476.2.5.2.4.8.5' => 'ipv6 (ViaThinkSoft plugin)', |
||
| 789 | '1.3.6.1.4.1.37476.2.5.2.4.8.6' => 'java (ViaThinkSoft plugin)', |
||
| 790 | '1.3.6.1.4.1.37476.2.5.2.4.8.7' => 'oid (ViaThinkSoft plugin)', |
||
| 791 | '1.3.6.1.4.1.37476.2.5.2.4.8.8' => 'other (ViaThinkSoft plugin)', |
||
| 792 | '1.3.6.1.4.1.37476.2.5.2.4.8.9' => 'domain (ViaThinkSoft plugin)', |
||
| 793 | '1.3.6.1.4.1.37476.2.5.2.4.8.10' => 'fourcc (ViaThinkSoft plugin)', |
||
| 794 | '1.3.6.1.4.1.37476.2.5.2.4.8.11' => 'aid (ViaThinkSoft plugin)', |
||
| 795 | '1.3.6.1.4.1.37476.2.5.2.4.8.12' => 'php (ViaThinkSoft plugin)', |
||
| 796 | '1.3.6.1.4.1.37476.2.5.2.4.8.13' => 'mac (ViaThinkSoft plugin)', |
||
| 797 | '1.3.6.1.4.1.37553.8.1.8.8.53354196964.27255728261' => 'circuit (Frdlweb plugin)', |
||
| 798 | '1.3.6.1.4.1.37476.9000.108.19361.856' => 'ns (Frdlweb plugin)', |
||
| 799 | '1.3.6.1.4.1.37553.8.1.8.8.53354196964.32927' => 'pen (Frdlweb plugin)', |
||
| 800 | '1.3.6.1.4.1.37553.8.1.8.8.53354196964.39870' => 'uri (Frdlweb plugin)', |
||
| 801 | '1.3.6.1.4.1.37553.8.1.8.8.53354196964.1958965295' => 'web+fan (Frdlweb plugin)' |
||
| 802 | ); |
||
| 803 | $namespace_desc = 'Unknown object type'; |
||
| 804 | foreach ($known_objecttype_plugins as $oid => $name) { |
||
| 805 | if ((hexdec(substr(sha1($oid), -4)) & 0x3fff) == $oidplus_namespace_int) $namespace_desc = "$oid = $name"; |
||
| 806 | } |
||
| 807 | echo "\n<u>Interpretation of <a href=\"https://github.com/danielmarschall/oidplus/blob/master/doc/oidplus_custom_guid.md\">OIDplus 2.0 Custom UUID</a></u>\n\n"; |
||
| 808 | echo sprintf("%-32s %s\n", "System ID:", "[0x$oidplus_systemid_hex] ".$oidplus_systemid_int); |
||
| 809 | echo sprintf("%-32s %s\n", "Creation time:", "[0x$oidplus_creation_hex] ".($oidplus_creation_unknown ? 'Unknown' : date('Y-m-d', $oidplus_creation_int*24*60*60))); |
||
| 810 | echo sprintf("%-32s %s\n", "Reserved:", "[0x$oidplus_reserved_hex]"); |
||
| 811 | echo sprintf("%-32s %s\n", "Namespace (Obj.type OID hash):", "[0x$oidplus_namespace_hex] $namespace_desc"); |
||
| 812 | echo sprintf("%-32s %s\n", "Data (Object name hash):", "[0x$oidplus_data_hex] SHA1(ObjectName) = ????????????????????????????$oidplus_data_hex"); |
||
| 813 | } |
||
| 814 | } |
||
| 815 | |||
| 816 | // END: OIDplus 2.0 Custom UUID Interpretation |
||
| 817 | |||
| 34 | daniel-mar | 818 | break; |
| 3 | daniel-mar | 819 | default: |
| 36 | daniel-mar | 820 | echo sprintf("%-32s %s\n", "Version:", "[0x".dechex($version)."] Unknown"); |
| 3 | daniel-mar | 821 | break; |
| 822 | } |
||
| 823 | |||
| 824 | break; |
||
| 825 | case 2: |
||
| 34 | daniel-mar | 826 | // TODO: Show byte order: 00112233-4455-6677-8899-aabbccddeeff => 33 22 11 00 55 44 77 66 88 99 aa bb cc dd ee ff |
| 827 | |||
| 828 | // TODO: Is there any scheme in that legacy Microsoft GUIDs? |
||
| 829 | echo sprintf("%-32s %s\n", "Variant:", "[0b110] Reserved for Microsoft Corporation"); |
||
| 3 | daniel-mar | 830 | break; |
| 831 | case 3: |
||
| 34 | daniel-mar | 832 | echo sprintf("%-32s %s\n", "Variant:", "[0b111] Reserved for future use"); |
| 3 | daniel-mar | 833 | break; |
| 834 | } |
||
| 34 | daniel-mar | 835 | |
| 836 | if (!$echo) { |
||
| 837 | $out = ob_get_contents(); |
||
| 838 | ob_end_clean(); |
||
| 839 | return $out; |
||
| 840 | } else { |
||
| 841 | return true; |
||
| 842 | } |
||
| 3 | daniel-mar | 843 | } |
| 844 | |||
| 845 | function uuid_canonize($uuid) { |
||
| 846 | if (!uuid_valid($uuid)) return false; |
||
| 847 | return oid_to_uuid(uuid_to_oid($uuid)); |
||
| 848 | } |
||
| 849 | |||
| 850 | function oid_to_uuid($oid) { |
||
| 36 | daniel-mar | 851 | // TODO: Also support Non-2.25 base UUID-to-OID |
| 852 | if (!is_uuid_oid($oid,true)) return false; |
||
| 3 | daniel-mar | 853 | |
| 27 | daniel-mar | 854 | if (substr($oid,0,1) == '.') { |
| 3 | daniel-mar | 855 | $oid = substr($oid, 1); |
| 856 | } |
||
| 857 | $ary = explode('.', $oid); |
||
| 16 | daniel-mar | 858 | |
| 859 | if (!isset($ary[2])) return false; |
||
| 860 | |||
| 3 | daniel-mar | 861 | $val = $ary[2]; |
| 862 | |||
| 863 | $x = gmp_init($val, 10); |
||
| 864 | $y = gmp_strval($x, 16); |
||
| 865 | $y = str_pad($y, 32, "0", STR_PAD_LEFT); |
||
| 866 | return substr($y, 0, 8).'-'. |
||
| 867 | substr($y, 8, 4).'-'. |
||
| 868 | substr($y, 12, 4).'-'. |
||
| 869 | substr($y, 16, 4).'-'. |
||
| 870 | substr($y, 20, 12); |
||
| 871 | } |
||
| 872 | |||
| 873 | function is_uuid_oid($oid, $only_allow_root=false) { |
||
| 36 | daniel-mar | 874 | // TODO: Also support Non-2.25 base UUID-to-OID |
| 27 | daniel-mar | 875 | if (substr($oid,0,1) == '.') $oid = substr($oid, 1); // remove leading dot |
| 3 | daniel-mar | 876 | |
| 877 | $ary = explode('.', $oid); |
||
| 878 | |||
| 879 | if ($only_allow_root) { |
||
| 880 | if (count($ary) != 3) return false; |
||
| 16 | daniel-mar | 881 | } else { |
| 882 | if (count($ary) < 3) return false; |
||
| 3 | daniel-mar | 883 | } |
| 884 | |||
| 9 | daniel-mar | 885 | if ($ary[0] != '2') return false; |
| 886 | if ($ary[1] != '25') return false; |
||
| 3 | daniel-mar | 887 | for ($i=2; $i<count($ary); $i++) { |
| 888 | $v = $ary[$i]; |
||
| 889 | if (!is_numeric($v)) return false; |
||
| 9 | daniel-mar | 890 | if ($i == 2) { |
| 891 | // Must be in the range of 128 bit UUID |
||
| 892 | $test = gmp_init($v, 10); |
||
| 893 | if (strlen(gmp_strval($test, 16)) > 32) return false; |
||
| 894 | } |
||
| 3 | daniel-mar | 895 | if ($v < 0) return false; |
| 896 | } |
||
| 897 | |||
| 898 | return true; |
||
| 899 | } |
||
| 900 | |||
| 36 | daniel-mar | 901 | function uuid_to_oid($uuid, $base='2.25') { |
| 3 | daniel-mar | 902 | if (!uuid_valid($uuid)) return false; |
| 36 | daniel-mar | 903 | #$base = oid_sanitize($base); |
| 3 | daniel-mar | 904 | |
| 905 | $uuid = str_replace(array('-', '{', '}'), '', $uuid); |
||
| 36 | daniel-mar | 906 | |
| 907 | // Information about Microsoft and Waterjuice UUID-OID: https://waterjuiceweb.wordpress.com/2019/09/24/guids-to-oids/ |
||
| 908 | |||
| 909 | if ($base == '2.25') { |
||
| 910 | $x = gmp_init($uuid, 16); |
||
| 911 | return $base.'.'.gmp_strval($x, 10); |
||
| 912 | } else if ($base == '1.2.840.113556.1.8000.2554') { |
||
| 913 | return $base.'.'. |
||
| 914 | gmp_strval(gmp_init(substr($uuid,0,4),16),10).'.'. |
||
| 915 | gmp_strval(gmp_init(substr($uuid,4,4),16),10).'.'. |
||
| 916 | gmp_strval(gmp_init(substr($uuid,8,4),16),10).'.'. |
||
| 917 | gmp_strval(gmp_init(substr($uuid,12,4),16),10).'.'. |
||
| 918 | gmp_strval(gmp_init(substr($uuid,16,4),16),10).'.'. |
||
| 919 | gmp_strval(gmp_init(substr($uuid,20,6),16),10).'.'. |
||
| 920 | gmp_strval(gmp_init(substr($uuid,26,6),16),10); |
||
| 921 | } else if ($base == '1.3.6.1.4.1.54392.1') { |
||
| 922 | return $base.'.'. |
||
| 923 | gmp_strval(gmp_init(substr($uuid,0,16),16),10).'.'. |
||
| 924 | gmp_strval(gmp_init(substr($uuid,16,16),16),10); |
||
| 925 | } else if ($base == '1.3.6.1.4.1.54392.2') { |
||
| 926 | return $base.'.'. |
||
| 927 | gmp_strval(gmp_init(substr($uuid,0,8),16),10).'.'. |
||
| 928 | gmp_strval(gmp_init(substr($uuid,8,8),16),10).'.'. |
||
| 929 | gmp_strval(gmp_init(substr($uuid,16,8),16),10).'.'. |
||
| 930 | gmp_strval(gmp_init(substr($uuid,24,8),16),10); |
||
| 931 | } else if ($base == '1.3.6.1.4.1.54392.3') { |
||
| 932 | return $base.'.'. |
||
| 933 | gmp_strval(gmp_init(substr($uuid,0,4),16),10).'.'. |
||
| 934 | gmp_strval(gmp_init(substr($uuid,4,4),16),10).'.'. |
||
| 935 | gmp_strval(gmp_init(substr($uuid,8,4),16),10).'.'. |
||
| 936 | gmp_strval(gmp_init(substr($uuid,12,4),16),10).'.'. |
||
| 937 | gmp_strval(gmp_init(substr($uuid,16,4),16),10).'.'. |
||
| 938 | gmp_strval(gmp_init(substr($uuid,20,4),16),10).'.'. |
||
| 939 | gmp_strval(gmp_init(substr($uuid,24,4),16),10).'.'. |
||
| 940 | gmp_strval(gmp_init(substr($uuid,28,4),16),10); |
||
| 941 | } else { |
||
| 942 | throw new Exception("Unsupported UUID-to-OID base"); |
||
| 943 | } |
||
| 3 | daniel-mar | 944 | } |
| 945 | |||
| 34 | daniel-mar | 946 | function uuid_numeric_value($uuid) { |
| 947 | $oid = uuid_to_oid($uuid); |
||
| 948 | if (!$oid) return false; |
||
| 949 | return substr($oid, strlen('2.25.')); |
||
| 950 | } |
||
| 951 | |||
| 952 | function uuid_c_syntax($uuid) { |
||
| 953 | $uuid = str_replace('{', '', $uuid); |
||
| 954 | return '{ 0x' . substr($uuid, 0, 8) . |
||
| 955 | ', 0x' . substr($uuid, 9, 4) . |
||
| 956 | ', 0x' . substr($uuid, 14, 4) . |
||
| 957 | ', { 0x' . substr($uuid, 19, 2). |
||
| 958 | ', 0x' . substr($uuid, 21, 2) . |
||
| 959 | ', 0x' . substr($uuid, 24, 2) . |
||
| 960 | ', 0x' . substr($uuid, 26, 2) . |
||
| 961 | ', 0x' . substr($uuid, 28, 2) . |
||
| 962 | ', 0x' . substr($uuid, 30, 2) . |
||
| 963 | ', 0x' . substr($uuid, 32, 2) . |
||
| 964 | ', 0x' . substr($uuid, 34, 2) . ' } }'; |
||
| 965 | } |
||
| 966 | |||
| 967 | function gen_uuid($prefer_mac_address_based = true) { |
||
| 968 | $uuid = $prefer_mac_address_based ? gen_uuid_reordered()/*UUIDv6*/ : false; |
||
| 969 | if ($uuid === false) $uuid = gen_uuid_unix_epoch()/*UUIDv7*/; |
||
| 9 | daniel-mar | 970 | return $uuid; |
| 3 | daniel-mar | 971 | } |
| 972 | |||
| 34 | daniel-mar | 973 | # -------------------------------------- |
| 974 | // Variant 1, Version 1 (Time based) UUID |
||
| 975 | # -------------------------------------- |
||
| 976 | |||
| 977 | function gen_uuid_v1() { |
||
| 978 | return gen_uuid_timebased(); |
||
| 979 | } |
||
| 980 | function gen_uuid_timebased($force_php_implementation=false) { |
||
| 14 | daniel-mar | 981 | # On Debian: apt-get install php-uuid |
| 3 | daniel-mar | 982 | # extension_loaded('uuid') |
| 34 | daniel-mar | 983 | if (!$force_php_implementation && function_exists('uuid_create')) { |
| 3 | daniel-mar | 984 | # OSSP uuid extension like seen in php5-uuid at Debian 8 |
| 985 | /* |
||
| 986 | $x = uuid_create($context); |
||
| 9 | daniel-mar | 987 | uuid_make($context, UUID_MAKE_V1); |
| 3 | daniel-mar | 988 | uuid_export($context, UUID_FMT_STR, $uuid); |
| 989 | return trim($uuid); |
||
| 990 | */ |
||
| 991 | |||
| 992 | # PECL uuid extension like seen in php-uuid at Debian 9 |
||
| 9 | daniel-mar | 993 | return trim(uuid_create(UUID_TYPE_TIME)); |
| 3 | daniel-mar | 994 | } |
| 995 | |||
| 14 | daniel-mar | 996 | # On Debian: apt-get install uuid-runtime |
| 34 | daniel-mar | 997 | if (!$force_php_implementation && strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN') { |
| 14 | daniel-mar | 998 | $out = array(); |
| 999 | $ec = -1; |
||
| 1000 | exec('uuidgen -t 2>/dev/null', $out, $ec); |
||
| 16 | daniel-mar | 1001 | if ($ec == 0) return trim($out[0]); |
| 14 | daniel-mar | 1002 | } |
| 3 | daniel-mar | 1003 | |
| 14 | daniel-mar | 1004 | # If we hadn't any success yet, then implement the time based generation routine ourselves! |
| 1005 | # Based on https://github.com/fredriklindberg/class.uuid.php/blob/master/class.uuid.php |
||
| 1006 | |||
| 1007 | $uuid = array( |
||
| 1008 | 'time_low' => 0, /* 32-bit */ |
||
| 1009 | 'time_mid' => 0, /* 16-bit */ |
||
| 1010 | 'time_hi' => 0, /* 16-bit */ |
||
| 1011 | 'clock_seq_hi' => 0, /* 8-bit */ |
||
| 1012 | 'clock_seq_low' => 0, /* 8-bit */ |
||
| 1013 | 'node' => array() /* 48-bit */ |
||
| 1014 | ); |
||
| 1015 | |||
| 1016 | /* |
||
| 1017 | * Get current time in 100 ns intervals. The magic value |
||
| 1018 | * is the offset between UNIX epoch and the UUID UTC |
||
| 1019 | * time base October 15, 1582. |
||
| 1020 | */ |
||
| 34 | daniel-mar | 1021 | if (time_nanosleep(0,100) !== true) usleep(1); // Wait 100ns, to make sure that the time part changes if multiple UUIDs are generated |
| 14 | daniel-mar | 1022 | $tp = gettimeofday(); |
| 34 | daniel-mar | 1023 | if (PHP_INT_SIZE == 4) { |
| 1024 | $tp['sec'] = gmp_init($tp['sec'],10); |
||
| 1025 | $tp['usec'] = gmp_init($tp['usec'],10); |
||
| 1026 | $time = gmp_add(gmp_add(gmp_mul($tp['sec'], gmp_init('10000000',10)),gmp_mul($tp['usec'], gmp_init('10',10))),gmp_init('01B21DD213814000',16)); |
||
| 1027 | $uuid['time_low'] = gmp_and($time, gmp_init('ffffffff',16)); |
||
| 1028 | $high = gmp_shiftr($time,32); |
||
| 1029 | $uuid['time_mid'] = gmp_and($high, gmp_init('ffff',16)); |
||
| 36 | daniel-mar | 1030 | $uuid['time_hi'] = gmp_intval(gmp_and(gmp_shiftr($high,16),gmp_init('fff',16))) | (1/*TimeBased*/ << 12); |
| 34 | daniel-mar | 1031 | } else { |
| 1032 | $time = ($tp['sec'] * 10000000) + ($tp['usec'] * 10) + 0x01B21DD213814000; |
||
| 1033 | $uuid['time_low'] = $time & 0xffffffff; |
||
| 1034 | /* Work around PHP 32-bit bit-operation limits */ |
||
| 1035 | $high = intval($time / 0xffffffff); |
||
| 1036 | $uuid['time_mid'] = $high & 0xffff; |
||
| 1037 | $uuid['time_hi'] = (($high >> 16) & 0xfff) | (1/*TimeBased*/ << 12); |
||
| 1038 | } |
||
| 14 | daniel-mar | 1039 | |
| 1040 | /* |
||
| 1041 | * We don't support saved state information and generate |
||
| 1042 | * a random clock sequence each time. |
||
| 1043 | */ |
||
| 34 | daniel-mar | 1044 | $uuid['clock_seq_hi'] = _random_int(0, 255) & 0b00111111 | 0b10000000; // set variant to 0b10__ (RFC 4122) |
| 1045 | $uuid['clock_seq_low'] = _random_int(0, 255); |
||
| 14 | daniel-mar | 1046 | |
| 1047 | /* |
||
| 1048 | * Node should be set to the 48-bit IEEE node identifier |
||
| 1049 | */ |
||
| 1050 | $mac = get_mac_address(); |
||
| 1051 | if ($mac) { |
||
| 34 | daniel-mar | 1052 | $node = str_replace('-','',str_replace(':','',$mac)); |
| 14 | daniel-mar | 1053 | for ($i = 0; $i < 6; $i++) { |
| 1054 | $uuid['node'][$i] = hexdec(substr($node, $i*2, 2)); |
||
| 1055 | } |
||
| 34 | daniel-mar | 1056 | } else { |
| 1057 | // If we cannot get a MAC address, then generate a random AAI |
||
| 36 | daniel-mar | 1058 | // RFC 4122 requires the multicast bit to be set, to make sure |
| 1059 | // that a UUID from a system with network card never conflicts |
||
| 1060 | // with a UUID from a system without network ard. |
||
| 1061 | // We are additionally defining the other 3 bits as AAI, |
||
| 1062 | // to avoid that we are misusing the CID or OUI from other vendors |
||
| 1063 | // if we would create multicast ELI (based on CID) or EUI (based on OUI). |
||
| 1064 | $uuid['node'] = explode('-', gen_aai(48, true/*Multicast*/)); |
||
| 34 | daniel-mar | 1065 | $uuid['node'] = array_map('hexdec', $uuid['node']); |
| 14 | daniel-mar | 1066 | } |
| 1067 | |||
| 34 | daniel-mar | 1068 | /* |
| 1069 | * Now output the UUID |
||
| 1070 | */ |
||
| 1071 | return sprintf( |
||
| 1072 | '%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x', |
||
| 1073 | ($uuid['time_low']), ($uuid['time_mid']), ($uuid['time_hi']), |
||
| 1074 | $uuid['clock_seq_hi'], $uuid['clock_seq_low'], |
||
| 1075 | $uuid['node'][0], $uuid['node'][1], $uuid['node'][2], |
||
| 1076 | $uuid['node'][3], $uuid['node'][4], $uuid['node'][5]); |
||
| 9 | daniel-mar | 1077 | } |
| 14 | daniel-mar | 1078 | |
| 34 | daniel-mar | 1079 | # -------------------------------------- |
| 1080 | // Variant 1, Version 2 (DCE Security) UUID |
||
| 1081 | # -------------------------------------- |
||
| 1082 | |||
| 1083 | define('DCE_DOMAIN_PERSON', 0); |
||
| 1084 | define('DCE_DOMAIN_GROUP', 1); |
||
| 1085 | define('DCE_DOMAIN_ORG', 2); |
||
| 1086 | function gen_uuid_v2($domain, $id) { |
||
| 1087 | return gen_uuid_dce($domain, $id); |
||
| 1088 | } |
||
| 9 | daniel-mar | 1089 | function gen_uuid_dce($domain, $id) { |
| 34 | daniel-mar | 1090 | if (($domain ?? '') === '') throw new Exception("Domain ID missing"); |
| 1091 | if (!is_numeric($domain)) throw new Exception("Invalid Domain ID"); |
||
| 36 | daniel-mar | 1092 | if (($domain < 0) || ($domain > 0xFF)) throw new Exception("Domain ID must be in range 0..255"); |
| 34 | daniel-mar | 1093 | |
| 1094 | if (($id ?? '') === '') throw new Exception("ID value missing"); |
||
| 1095 | if (!is_numeric($id)) throw new Exception("Invalid ID value"); |
||
| 36 | daniel-mar | 1096 | if (($id < 0) || ($id > 0xFFFFFFFF)) throw new Exception("ID value must be in range 0..4294967295"); |
| 34 | daniel-mar | 1097 | |
| 9 | daniel-mar | 1098 | # Start with a version 1 UUID |
| 1099 | $uuid = gen_uuid_timebased(); |
||
| 1100 | |||
| 34 | daniel-mar | 1101 | # Add Domain Number |
| 9 | daniel-mar | 1102 | $uuid = str_pad(dechex($id), 8, '0', STR_PAD_LEFT) . substr($uuid, 8); |
| 1103 | |||
| 34 | daniel-mar | 1104 | # Add Domain (this overwrites part of the clock sequence) |
| 9 | daniel-mar | 1105 | $uuid = substr($uuid,0,21) . str_pad(dechex($domain), 2, '0', STR_PAD_LEFT) . substr($uuid, 23); |
| 1106 | |||
| 1107 | # Change version to 2 |
||
| 1108 | $uuid[14] = '2'; |
||
| 1109 | |||
| 1110 | return $uuid; |
||
| 1111 | } |
||
| 1112 | |||
| 34 | daniel-mar | 1113 | # -------------------------------------- |
| 1114 | // Variant 1, Version 3 (MD5 name based) UUID |
||
| 1115 | # -------------------------------------- |
||
| 1116 | |||
| 1117 | function gen_uuid_v3($namespace_uuid, $name) { |
||
| 1118 | return gen_uuid_md5_namebased($namespace_uuid, $name); |
||
| 1119 | } |
||
| 9 | daniel-mar | 1120 | function gen_uuid_md5_namebased($namespace_uuid, $name) { |
| 34 | daniel-mar | 1121 | if (($namespace_uuid ?? '') === '') throw new Exception("Namespace UUID missing"); |
| 1122 | if (!uuid_valid($namespace_uuid)) throw new Exception("Invalid namespace UUID '$namespace_uuid'"); |
||
| 1123 | |||
| 9 | daniel-mar | 1124 | $namespace_uuid = uuid_canonize($namespace_uuid); |
| 1125 | $namespace_uuid = str_replace('-', '', $namespace_uuid); |
||
| 1126 | $namespace_uuid = hex2bin($namespace_uuid); |
||
| 1127 | |||
| 1128 | $hash = md5($namespace_uuid.$name); |
||
| 1129 | $hash[12] = '3'; // Set version: 3 = MD5 |
||
| 34 | daniel-mar | 1130 | $hash[16] = dechex(hexdec($hash[16]) & 0b0011 | 0b1000); // Set variant to "10xx" (RFC4122) |
| 9 | daniel-mar | 1131 | |
| 1132 | return substr($hash, 0, 8).'-'. |
||
| 1133 | substr($hash, 8, 4).'-'. |
||
| 1134 | substr($hash, 12, 4).'-'. |
||
| 1135 | substr($hash, 16, 4).'-'. |
||
| 1136 | substr($hash, 20, 12); |
||
| 1137 | } |
||
| 1138 | |||
| 34 | daniel-mar | 1139 | # -------------------------------------- |
| 1140 | // Variant 1, Version 4 (Random) UUID |
||
| 1141 | # -------------------------------------- |
||
| 1142 | |||
| 1143 | function gen_uuid_v4() { |
||
| 1144 | return gen_uuid_random(); |
||
| 1145 | } |
||
| 9 | daniel-mar | 1146 | function gen_uuid_random() { |
| 16 | daniel-mar | 1147 | # On Windows: Requires |
| 1148 | # extension_dir = "C:\php-8.0.3-nts-Win32-vs16-x64\ext" |
||
| 1149 | # extension=com_dotnet |
||
| 1150 | if (function_exists('com_create_guid')) { |
||
| 36 | daniel-mar | 1151 | $uuid = trim(com_create_guid(), '{}'); |
| 1152 | if (uuid_version($uuid) === '4') { // <-- just to make 100% sure that Windows's CoCreateGuid() did output UUIDv4 |
||
| 1153 | return strtolower($uuid); |
||
| 1154 | } |
||
| 16 | daniel-mar | 1155 | } |
| 1156 | |||
| 14 | daniel-mar | 1157 | # On Debian: apt-get install php-uuid |
| 9 | daniel-mar | 1158 | # extension_loaded('uuid') |
| 1159 | if (function_exists('uuid_create')) { |
||
| 1160 | # OSSP uuid extension like seen in php5-uuid at Debian 8 |
||
| 1161 | /* |
||
| 1162 | $x = uuid_create($context); |
||
| 1163 | uuid_make($context, UUID_MAKE_V4); |
||
| 1164 | uuid_export($context, UUID_FMT_STR, $uuid); |
||
| 1165 | return trim($uuid); |
||
| 1166 | */ |
||
| 1167 | |||
| 1168 | # PECL uuid extension like seen in php-uuid at Debian 9 |
||
| 1169 | return trim(uuid_create(UUID_TYPE_RANDOM)); |
||
| 3 | daniel-mar | 1170 | } |
| 1171 | |||
| 14 | daniel-mar | 1172 | if (strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN') { |
| 36 | daniel-mar | 1173 | # On Debian Jessie: UUID V4 (Random) |
| 1174 | if (file_exists($uuidv4_file = '/proc/sys/kernel/random/uuid')) { |
||
| 1175 | $uuid = file_get_contents($uuidv4_file); |
||
| 1176 | if (uuid_version($uuid) === '4') { // <-- just to make 100% sure that it did output UUIDv4 |
||
| 1177 | return $uuid; |
||
| 1178 | } |
||
| 1179 | } |
||
| 1180 | |||
| 14 | daniel-mar | 1181 | # On Debian: apt-get install uuid-runtime |
| 1182 | $out = array(); |
||
| 1183 | $ec = -1; |
||
| 1184 | exec('uuidgen -r 2>/dev/null', $out, $ec); |
||
| 16 | daniel-mar | 1185 | if ($ec == 0) return trim($out[0]); |
| 3 | daniel-mar | 1186 | } |
| 1187 | |||
| 9 | daniel-mar | 1188 | # Make the UUID by ourselves |
| 36 | daniel-mar | 1189 | |
| 1190 | if (function_exists('openssl_random_pseudo_bytes')) { |
||
| 1191 | // Source: https://www.php.net/manual/en/function.com-create-guid.php#119168 |
||
| 1192 | $data = openssl_random_pseudo_bytes(16); |
||
| 1193 | $data[6] = chr(ord($data[6]) & 0x0f | 0x40); // set version to 0100 |
||
| 1194 | $data[8] = chr(ord($data[8]) & 0x3f | 0x80); // set bits 6-7 to 10 |
||
| 1195 | return vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex($data), 4)); |
||
| 1196 | } else { |
||
| 1197 | // Source: http://rogerstringer.com/2013/11/15/generate-uuids-php |
||
| 1198 | return sprintf( '%04x%04x-%04x-%04x-%04x-%04x%04x%04x', |
||
| 1199 | _random_int( 0, 0xffff ), _random_int( 0, 0xffff ), |
||
| 1200 | _random_int( 0, 0xffff ), |
||
| 1201 | _random_int( 0, 0x0fff ) | 0x4000, |
||
| 1202 | _random_int( 0, 0x3fff ) | 0x8000, |
||
| 1203 | _random_int( 0, 0xffff ), _random_int( 0, 0xffff ), _random_int( 0, 0xffff ) |
||
| 1204 | ); |
||
| 1205 | } |
||
| 3 | daniel-mar | 1206 | } |
| 1207 | |||
| 34 | daniel-mar | 1208 | # -------------------------------------- |
| 1209 | // Variant 1, Version 5 (SHA1 name based) UUID |
||
| 1210 | # -------------------------------------- |
||
| 1211 | |||
| 1212 | function gen_uuid_v5($namespace_uuid, $name) { |
||
| 1213 | return gen_uuid_sha1_namebased($namespace_uuid, $name); |
||
| 1214 | } |
||
| 9 | daniel-mar | 1215 | function gen_uuid_sha1_namebased($namespace_uuid, $name) { |
| 34 | daniel-mar | 1216 | if (($namespace_uuid ?? '') === '') throw new Exception("Namespace UUID missing"); |
| 1217 | if (!uuid_valid($namespace_uuid)) throw new Exception("Invalid namespace UUID '$namespace_uuid'"); |
||
| 1218 | |||
| 9 | daniel-mar | 1219 | $namespace_uuid = str_replace('-', '', $namespace_uuid); |
| 1220 | $namespace_uuid = hex2bin($namespace_uuid); |
||
| 1221 | |||
| 1222 | $hash = sha1($namespace_uuid.$name); |
||
| 1223 | $hash[12] = '5'; // Set version: 5 = SHA1 |
||
| 34 | daniel-mar | 1224 | $hash[16] = dechex(hexdec($hash[16]) & 0b0011 | 0b1000); // Set variant to "0b10__" (RFC4122/DCE1.1) |
| 9 | daniel-mar | 1225 | |
| 1226 | return substr($hash, 0, 8).'-'. |
||
| 1227 | substr($hash, 8, 4).'-'. |
||
| 1228 | substr($hash, 12, 4).'-'. |
||
| 1229 | substr($hash, 16, 4).'-'. |
||
| 1230 | substr($hash, 20, 12); |
||
| 1231 | } |
||
| 1232 | |||
| 34 | daniel-mar | 1233 | # -------------------------------------- |
| 1234 | // Variant 1, Version 6 (Reordered) UUID |
||
| 1235 | # -------------------------------------- |
||
| 1236 | |||
| 1237 | function gen_uuid_v6() { |
||
| 1238 | return gen_uuid_reordered(); |
||
| 3 | daniel-mar | 1239 | } |
| 34 | daniel-mar | 1240 | function gen_uuid_reordered() { |
| 1241 | // Start with a UUIDv1 |
||
| 1242 | $uuid = gen_uuid_timebased(); |
||
| 3 | daniel-mar | 1243 | |
| 34 | daniel-mar | 1244 | // Convert to UUIDv6 |
| 1245 | return uuid1_to_uuid6($uuid); |
||
| 3 | daniel-mar | 1246 | } |
| 34 | daniel-mar | 1247 | function uuid6_to_uuid1($hex) { |
| 1248 | $hex = uuid_canonize($hex); |
||
| 1249 | if ($hex === false) return false; |
||
| 1250 | $hex = preg_replace('@[^0-9A-F]@i', '', $hex); |
||
| 1251 | $hex = substr($hex, 7, 5). |
||
| 1252 | substr($hex, 13, 3). |
||
| 1253 | substr($hex, 3, 4). |
||
| 1254 | '1' . substr($hex, 0, 3). |
||
| 1255 | substr($hex, 16); |
||
| 1256 | return substr($hex, 0, 8).'-'. |
||
| 1257 | substr($hex, 8, 4).'-'. |
||
| 1258 | substr($hex, 12, 4).'-'. |
||
| 1259 | substr($hex, 16, 4).'-'. |
||
| 1260 | substr($hex, 20, 12); |
||
| 1261 | } |
||
| 1262 | function uuid1_to_uuid6($hex) { |
||
| 1263 | $hex = uuid_canonize($hex); |
||
| 1264 | if ($hex === false) return false; |
||
| 1265 | $hex = preg_replace('@[^0-9A-F]@i', '', $hex); |
||
| 1266 | $hex = substr($hex, 13, 3). |
||
| 1267 | substr($hex, 8, 4). |
||
| 1268 | substr($hex, 0, 5). |
||
| 1269 | '6' . substr($hex, 5, 3). |
||
| 1270 | substr($hex, 16); |
||
| 1271 | return substr($hex, 0, 8).'-'. |
||
| 1272 | substr($hex, 8, 4).'-'. |
||
| 1273 | substr($hex, 12, 4).'-'. |
||
| 1274 | substr($hex, 16, 4).'-'. |
||
| 1275 | substr($hex, 20, 12); |
||
| 1276 | } |
||
| 3 | daniel-mar | 1277 | |
| 34 | daniel-mar | 1278 | # -------------------------------------- |
| 1279 | // Variant 1, Version 7 (Unix Epoch) UUID |
||
| 1280 | # -------------------------------------- |
||
| 3 | daniel-mar | 1281 | |
| 36 | daniel-mar | 1282 | function gen_uuid_v7(int $num_ms_frac_bits=12) { |
| 1283 | return gen_uuid_unix_epoch($num_ms_frac_bits); |
||
| 34 | daniel-mar | 1284 | } |
| 36 | daniel-mar | 1285 | function gen_uuid_unix_epoch(int $num_ms_frac_bits=12) { |
| 1286 | $uuid_nibbles = ''; |
||
| 34 | daniel-mar | 1287 | |
| 36 | daniel-mar | 1288 | // Add the timestamp (milliseconds Unix) |
| 34 | daniel-mar | 1289 | if (function_exists('gmp_init')) { |
| 1290 | list($ms,$sec) = explode(' ', microtime(false)); |
||
| 1291 | $sec = gmp_init($sec, 10); |
||
| 1292 | $ms = gmp_init(substr($ms,2,3), 10); |
||
| 1293 | $unix_ts = gmp_strval(gmp_add(gmp_mul($sec, '1000'), $ms),16); |
||
| 1294 | } else { |
||
| 36 | daniel-mar | 1295 | $unix_ts = dechex((int)ceil(microtime(true)*1000)); |
| 34 | daniel-mar | 1296 | } |
| 1297 | $unix_ts = str_pad($unix_ts, 12, '0', STR_PAD_LEFT); |
||
| 36 | daniel-mar | 1298 | $uuid_nibbles = $unix_ts; |
| 34 | daniel-mar | 1299 | |
| 36 | daniel-mar | 1300 | // Version = 7 |
| 1301 | $uuid_nibbles .= '7'; |
||
| 34 | daniel-mar | 1302 | |
| 36 | daniel-mar | 1303 | // Optional: millisecond fraction (max 12 bits) |
| 1304 | if (($num_ms_frac_bits < 0) || ($num_ms_frac_bits > 12)) throw new Exception("Invalid msec frac bits (must be 0..12)"); |
||
| 1305 | $resolution_ns = 1000000 / pow(2,$num_ms_frac_bits); |
||
| 1306 | if ($num_ms_frac_bits > 0) { |
||
| 1307 | $seconds_fraction = (float)explode(' ',microtime(false))[0]; // <sec=0>,<msec> |
||
| 1308 | |||
| 1309 | $ms_fraction = $seconds_fraction * 1000; // <msec>,<us> |
||
| 1310 | $ms_fraction -= floor($ms_fraction); // <msec=0>,<us> |
||
| 1311 | |||
| 1312 | $ns_fraction = $ms_fraction * 1000000; // <ns> |
||
| 1313 | $val = (int)ceil($ns_fraction / $resolution_ns); |
||
| 1314 | |||
| 1315 | // Currently, for the output we only allow frac bits 0, 4, 8, 12 (0-3 nibbles), |
||
| 1316 | // since UUIDs are usually sorted in their hex notation, and one of the main |
||
| 1317 | // reasons for using the sub-millisecond fractions it to increase monotonicity |
||
| 1318 | $num_nibbles = (int)ceil($num_ms_frac_bits/4); |
||
| 1319 | $uuid_nibbles .= str_pad(dechex($val), $num_nibbles, '0', STR_PAD_LEFT); |
||
| 1320 | } |
||
| 1321 | |||
| 1322 | // TODO Not implemented: Optional counter (to be defined as parameter to this method) |
||
| 1323 | // The counter bits need to be spread before and after the variant bits |
||
| 1324 | |||
| 1325 | // Fill with random bits (and the variant bits) |
||
| 1326 | $uuid = gen_uuid_random(); |
||
| 1327 | $uuid = str_replace('-', '', $uuid); |
||
| 1328 | for ($i=0; $i<strlen($uuid_nibbles); $i++) $uuid[$i] = $uuid_nibbles[$i]; |
||
| 1329 | |||
| 1330 | // Wait to make sure that the time part changes if multiple UUIDs are generated |
||
| 1331 | if (time_nanosleep(0,(int)ceil($resolution_ns)) !== true) usleep((int)ceil($resolution_ns/1000)); |
||
| 1332 | |||
| 1333 | // Output |
||
| 1334 | return substr($uuid, 0, 8).'-'. |
||
| 1335 | substr($uuid, 8, 4).'-'. |
||
| 1336 | substr($uuid, 12, 4).'-'. |
||
| 1337 | substr($uuid, 16, 4).'-'. |
||
| 1338 | substr($uuid, 20, 12); |
||
| 34 | daniel-mar | 1339 | } |
| 1340 | |||
| 1341 | # -------------------------------------- |
||
| 1342 | // Variant 1, Version 8 (Custom) UUID |
||
| 1343 | # -------------------------------------- |
||
| 1344 | |||
| 1345 | function gen_uuid_v8($block1_32bit, $block2_16bit, $block3_12bit, $block4_14bit, $block5_48bit) { |
||
| 1346 | return gen_uuid_custom($block1_32bit, $block2_16bit, $block3_12bit, $block4_14bit, $block5_48bit); |
||
| 1347 | } |
||
| 1348 | function gen_uuid_custom($block1_32bit, $block2_16bit, $block3_12bit, $block4_14bit, $block5_48bit) { |
||
| 1349 | if (preg_replace('@[0-9A-F]@i', '', $block1_32bit) != '') throw new Exception("Invalid data for block 1. Must be hex input"); |
||
| 1350 | if (preg_replace('@[0-9A-F]@i', '', $block2_16bit) != '') throw new Exception("Invalid data for block 2. Must be hex input"); |
||
| 1351 | if (preg_replace('@[0-9A-F]@i', '', $block3_12bit) != '') throw new Exception("Invalid data for block 3. Must be hex input"); |
||
| 1352 | if (preg_replace('@[0-9A-F]@i', '', $block4_14bit) != '') throw new Exception("Invalid data for block 4. Must be hex input"); |
||
| 1353 | if (preg_replace('@[0-9A-F]@i', '', $block5_48bit) != '') throw new Exception("Invalid data for block 5. Must be hex input"); |
||
| 1354 | |||
| 1355 | $block1 = str_pad(substr($block1_32bit, -8), 8, '0', STR_PAD_LEFT); |
||
| 1356 | $block2 = str_pad(substr($block2_16bit, -4), 4, '0', STR_PAD_LEFT); |
||
| 1357 | $block3 = str_pad(substr($block3_12bit, -4), 4, '0', STR_PAD_LEFT); |
||
| 1358 | $block4 = str_pad(substr($block4_14bit, -4), 4, '0', STR_PAD_LEFT); |
||
| 1359 | $block5 = str_pad(substr($block5_48bit,-12), 12, '0', STR_PAD_LEFT); |
||
| 1360 | |||
| 1361 | $block3[0] = '8'; // Version 8 = Custom |
||
| 1362 | $block4[0] = dechex(hexdec($block4[0]) & 0b0011 | 0b1000); // Variant 0b10__ = RFC4122 |
||
| 1363 | |||
| 1364 | return strtolower($block1.'-'.$block2.'-'.$block3.'-'.$block4.'-'.$block5); |
||
| 1365 | } |
||
| 1366 | |||
| 36 | daniel-mar | 1367 | function gen_uuid_v8_namebased($hash_algo, $namespace_uuid, $name) { |
| 1368 | if (($hash_algo ?? '') === '') throw new Exception("Hash algorithm argument missing"); |
||
| 1369 | |||
| 1370 | if (($namespace_uuid ?? '') === '') throw new Exception("Namespace UUID missing"); |
||
| 1371 | if (!uuid_valid($namespace_uuid)) throw new Exception("Invalid namespace UUID '$namespace_uuid'"); |
||
| 1372 | |||
| 1373 | $uuid1 = uuid_valid($hash_algo) ? hex2bin(str_replace('-','',uuid_canonize($hash_algo))) : ''; // old "hash space" concept (dropped in Internet Draft 12) |
||
| 1374 | $uuid2 = hex2bin(str_replace('-','',uuid_canonize($namespace_uuid))); |
||
| 1375 | $payload = $uuid1 . $uuid2 . $name; |
||
| 1376 | |||
| 1377 | if (uuid_valid($hash_algo)) { |
||
| 1378 | if (uuid_equal($hash_algo, '59031ca3-fbdb-47fb-9f6c-0f30e2e83145')) $hash_algo = 'sha224'; |
||
| 1379 | if (uuid_equal($hash_algo, '3fb32780-953c-4464-9cfd-e85dbbe9843d')) $hash_algo = 'sha256'; |
||
| 1380 | if (uuid_equal($hash_algo, 'e6800581-f333-484b-8778-601ff2b58da8')) $hash_algo = 'sha384'; |
||
| 1381 | if (uuid_equal($hash_algo, '0fde22f2-e7ba-4fd1-9753-9c2ea88fa3f9')) $hash_algo = 'sha512'; |
||
| 1382 | if (uuid_equal($hash_algo, '003c2038-c4fe-4b95-a672-0c26c1b79542')) $hash_algo = 'sha512/224'; |
||
| 1383 | if (uuid_equal($hash_algo, '9475ad00-3769-4c07-9642-5e7383732306')) $hash_algo = 'sha512/256'; |
||
| 1384 | if (uuid_equal($hash_algo, '9768761f-ac5a-419e-a180-7ca239e8025a')) $hash_algo = 'sha3-224'; |
||
| 1385 | if (uuid_equal($hash_algo, '2034d66b-4047-4553-8f80-70e593176877')) $hash_algo = 'sha3-256'; |
||
| 1386 | if (uuid_equal($hash_algo, '872fb339-2636-4bdd-bda6-b6dc2a82b1b3')) $hash_algo = 'sha3-384'; |
||
| 1387 | if (uuid_equal($hash_algo, 'a4920a5d-a8a6-426c-8d14-a6cafbe64c7b')) $hash_algo = 'sha3-512'; |
||
| 1388 | if (uuid_equal($hash_algo, '7ea218f6-629a-425f-9f88-7439d63296bb')) $hash_algo = 'shake128'; |
||
| 1389 | if (uuid_equal($hash_algo, '2e7fc6a4-2919-4edc-b0ba-7d7062ce4f0a')) $hash_algo = 'shake256'; |
||
| 1390 | } |
||
| 1391 | |||
| 1392 | if ($hash_algo == 'shake128') $hash = shake128($payload, 16/*min. required bytes*/, false); |
||
| 1393 | else if ($hash_algo == 'shake256') $hash = shake256($payload, 16/*min. required bytes*/, false); |
||
| 1394 | else $hash = hash($hash_algo, $payload, false); |
||
| 1395 | |||
| 1396 | if ($hash == null) { |
||
| 1397 | throw new Exception("Unknown Hash Algorithm $hash_algo"); |
||
| 1398 | } |
||
| 1399 | |||
| 1400 | $hash = str_pad($hash, 32, '0', STR_PAD_RIGHT); // fill short hashes with zeros to the right |
||
| 1401 | |||
| 1402 | $hash[12] = '8'; // Set version: 8 = Custom |
||
| 1403 | $hash[16] = dechex(hexdec($hash[16]) & 0b0011 | 0b1000); // Set variant to "0b10__" (RFC4122/DCE1.1) |
||
| 1404 | |||
| 1405 | return substr($hash, 0, 8).'-'. |
||
| 1406 | substr($hash, 8, 4).'-'. |
||
| 1407 | substr($hash, 12, 4).'-'. |
||
| 1408 | substr($hash, 16, 4).'-'. |
||
| 1409 | substr($hash, 20, 12); |
||
| 1410 | } |
||
| 1411 | |||
| 34 | daniel-mar | 1412 | # -------------------------------------- |
| 1413 | |||
| 3 | daniel-mar | 1414 | // http://php.net/manual/de/function.hex2bin.php#113057 |
| 34 | daniel-mar | 1415 | if (!function_exists('hex2bin')) { |
| 1416 | function hex2bin($str) { |
||
| 3 | daniel-mar | 1417 | $sbin = ""; |
| 34 | daniel-mar | 1418 | $len = strlen($str); |
| 3 | daniel-mar | 1419 | for ( $i = 0; $i < $len; $i += 2 ) { |
| 34 | daniel-mar | 1420 | $sbin .= pack("H*", substr($str, $i, 2)); |
| 3 | daniel-mar | 1421 | } |
| 1422 | return $sbin; |
||
| 1423 | } |
||
| 1424 | } |
||
| 34 | daniel-mar | 1425 | |
| 1426 | // https://stackoverflow.com/questions/72127764/shift-right-left-bitwise-operators-in-php7-gmp-extension |
||
| 1427 | if (!function_exists('gmp_shiftl')) { |
||
| 1428 | function gmp_shiftl($x,$n) { // shift left |
||
| 1429 | return(gmp_mul($x,gmp_pow(2,$n))); |
||
| 1430 | } |
||
| 1431 | } |
||
| 1432 | |||
| 1433 | if (!function_exists('gmp_shiftr')) { |
||
| 1434 | function gmp_shiftr($x,$n) { // shift right |
||
| 1435 | return(gmp_div_q($x,gmp_pow(2,$n))); |
||
| 1436 | } |
||
| 1437 | } |
||
| 36 | daniel-mar | 1438 | |
| 1439 | function shake128(string $msg, int $outputLength=512, bool $binary=false): string { |
||
| 1440 | include_once __DIR__.'/SHA3.php'; |
||
| 1441 | $sponge = SHA3::init(SHA3::SHAKE128); |
||
| 1442 | $sponge->absorb($msg); |
||
| 1443 | $bin = $sponge->squeeze($outputLength); |
||
| 1444 | return $binary ? $bin : bin2hex($bin); |
||
| 1445 | } |
||
| 1446 | |||
| 1447 | function shake256(string $msg, int $outputLength=512, bool $binary=false): string { |
||
| 1448 | include_once __DIR__.'/SHA3.php'; |
||
| 1449 | $sponge = SHA3::init(SHA3::SHAKE256); |
||
| 1450 | $sponge->absorb($msg); |
||
| 1451 | $bin = $sponge->squeeze($outputLength); |
||
| 1452 | return $binary ? $bin : bin2hex($bin); |
||
| 1453 | } |