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<?php |
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namespace kalanis\kw_bans\Traits; |
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use kalanis\kw_bans\BanException; |
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use kalanis\kw_bans\Interfaces\IIpTypes; |
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use kalanis\kw_bans\Ip; |
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trait TExpandIp |
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{ |
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use TIp; |
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use TLang; |
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protected int $type = IIpTypes::TYPE_NONE; |
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protected int $blocks = 4; |
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protected string $delimiter = '.'; |
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/** |
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* @param string $knownIp |
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* @throws BanException |
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* @return Ip |
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*/ |
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public function expandIP(string $knownIp): Ip |
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{ |
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$affectedBits = 0; // aka ignore last bits... |
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$subnetMaskPosition = strpos($knownIp, IIpTypes::MASK_SEPARATOR); |
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if (false !== $subnetMaskPosition) { |
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$affectedBits = intval(substr($knownIp, $subnetMaskPosition + 1)); |
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$knownIp = substr($knownIp, 0, $subnetMaskPosition); |
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} |
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if (empty($this->delimiter)) { |
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throw new BanException($this->getIKbLang()->ikbBadIpParsingNoDelimiter()); |
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} |
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$shortenedPart = strpos($knownIp, $this->delimiter . $this->delimiter); |
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if (false !== $shortenedPart) { |
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$beginPart = (0 == $shortenedPart) ? [] : (array) explode($this->delimiter, substr($knownIp, 0, $shortenedPart)); |
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$cutEnd = $shortenedPart + strlen($this->delimiter . $this->delimiter); |
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$endPart = (strlen($knownIp) == $cutEnd) ? [] : (array) explode($this->delimiter, substr($knownIp, $cutEnd)); |
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$unfilledBlocks = $this->blocks - (count($beginPart) + count($endPart)); |
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if (0 > $unfilledBlocks) { |
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throw new BanException($this->getIKbLang()->ikbInvalidNumOfBlocksTooMany($knownIp)); |
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} |
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$ipInArray = array_merge($beginPart, array_fill(0, $unfilledBlocks, '0'), $endPart); |
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} else { |
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$ipInArray = (array) explode($this->delimiter, $knownIp); |
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} |
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if ($this->blocks != count($ipInArray)) { |
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throw new BanException($this->getIKbLang()->ikbInvalidNumOfBlocksAmount($knownIp)); |
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} |
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$ip = clone $this->getBasicIp(); |
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$ip->setData($this->type, array_map('strval', $ipInArray), $affectedBits); |
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return $ip; |
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} |
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} |
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alex-kalanis /
kw_bans
