77 lines
1.9 KiB
PHP
77 lines
1.9 KiB
PHP
<?php
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namespace nur\passwd;
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use nur\b\IllegalAccessException;
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use nur\b\ValueException;
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class EtuPasswordGenerator {
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const V2 = 2, V3 = 3, V4 = 4;
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function __construct(?int $version=null) {
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if ($version === null) $version = self::V4;
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$this->version = $version;
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}
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private $version;
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function getVersion(): int {
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return $this->version;
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}
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function generate(int $codEtu, ?int $version=null): string {
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if ($version === null) $version = $this->version;
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switch ($version) {
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case self::V2: return $this->generate2($codEtu);
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case self::V3: return $this->generate3($codEtu);
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case self::V4: return $this->generate4($codEtu);
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default: throw ValueException::invalid_value($version, "version");
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}
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}
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private static $generate2_groups;
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static function init_generate2(array $groups): void {
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self::$generate2_groups = $groups;
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}
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protected function generate2(int $codEtu): string {
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$groups = self::$generate2_groups;
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if ($groups == null) {
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throw IllegalAccessException::unexpected_state("init_generate2");
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}
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$pass = "";
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for ($i = 0; $i < 8; $i++) {
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$group = $groups[$i];
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$grouplen = strlen($group);
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$pass .= $group[$codEtu % $grouplen];
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}
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return $pass;
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}
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/** @var PasswordGenerator */
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private $pg;
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/** @var callable */
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private static $gen3seed;
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static function init_gen3seed(callable $seed): void {
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self::$gen3seed = $seed;
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}
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protected function generate3(int $codEtu): string {
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if ($this->pg === null) $this->pg = new PasswordGenerator();
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return $this->pg->generate(3, 1, (self::$gen3seed)($codEtu));
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}
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/** @var callable */
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private static $gen4seed;
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static function init_gen4seed(callable $seed): void {
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self::$gen4seed = $seed;
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}
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protected function generate4(int $codEtu): string {
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if ($this->pg === null) $this->pg = new PasswordGenerator();
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return $this->pg->generate(4, 1, (self::$gen4seed)($codEtu));
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}
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}
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