TYPO3 /
TYPO3.CMS
| @@ 5587-5617 (lines=31) @@ | ||
| 5584 | * @param mixed $type - either "ascii" or a number between -10 and 10, taken from config.spamProtectEmailAddresses |
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| 5585 | * @return string encoded version of $string |
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| 5586 | */ |
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| 5587 | protected function encryptEmail($string, $type) |
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| 5588 | { |
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| 5589 | $out = ''; |
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| 5590 | // obfuscates using the decimal HTML entity references for each character |
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| 5591 | if ($type === 'ascii') { |
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| 5592 | $stringLength = strlen($string); |
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| 5593 | for ($a = 0; $a < $stringLength; $a++) { |
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| 5594 | $out .= '&#' . ord(substr($string, $a, 1)) . ';'; |
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| 5595 | } |
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| 5596 | } else { |
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| 5597 | // like str_rot13() but with a variable offset and a wider character range |
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| 5598 | $len = strlen($string); |
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| 5599 | $offset = (int)$type; |
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| 5600 | for ($i = 0; $i < $len; $i++) { |
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| 5601 | $charValue = ord($string[$i]); |
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| 5602 | // 0-9 . , - + / : |
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| 5603 | if ($charValue >= 43 && $charValue <= 58) { |
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| 5604 | $out .= $this->encryptCharcode($charValue, 43, 58, $offset); |
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| 5605 | } elseif ($charValue >= 64 && $charValue <= 90) { |
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| 5606 | // A-Z @ |
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| 5607 | $out .= $this->encryptCharcode($charValue, 64, 90, $offset); |
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| 5608 | } elseif ($charValue >= 97 && $charValue <= 122) { |
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| 5609 | // a-z |
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| 5610 | $out .= $this->encryptCharcode($charValue, 97, 122, $offset); |
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| 5611 | } else { |
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| 5612 | $out .= $string[$i]; |
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| 5613 | } |
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| 5614 | } |
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| 5615 | } |
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| 5616 | return $out; |
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| 5617 | } |
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| 5618 | ||
| 5619 | /** |
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| 5620 | * Decryption of email addresses for <A>-tags See the spam protection setup in TS 'config.' |
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| @@ 5626-5656 (lines=31) @@ | ||
| 5623 | * @param mixed $type - either "ascii" or a number between -10 and 10 taken from config.spamProtectEmailAddresses |
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| 5624 | * @return string decoded version of $string |
|
| 5625 | */ |
|
| 5626 | protected function decryptEmail($string, $type) |
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| 5627 | { |
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| 5628 | $out = ''; |
|
| 5629 | // obfuscates using the decimal HTML entity references for each character |
|
| 5630 | if ($type === 'ascii') { |
|
| 5631 | $stringLength = strlen($string); |
|
| 5632 | for ($a = 0; $a < $stringLength; $a++) { |
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| 5633 | $out .= '&#' . ord(substr($string, $a, 1)) . ';'; |
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| 5634 | } |
|
| 5635 | } else { |
|
| 5636 | // like str_rot13() but with a variable offset and a wider character range |
|
| 5637 | $len = strlen($string); |
|
| 5638 | $offset = (int)$type * -1; |
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| 5639 | for ($i = 0; $i < $len; $i++) { |
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| 5640 | $charValue = ord($string[$i]); |
|
| 5641 | // 0-9 . , - + / : |
|
| 5642 | if ($charValue >= 43 && $charValue <= 58) { |
|
| 5643 | $out .= $this->encryptCharcode($charValue, 43, 58, $offset); |
|
| 5644 | } elseif ($charValue >= 64 && $charValue <= 90) { |
|
| 5645 | // A-Z @ |
|
| 5646 | $out .= $this->encryptCharcode($charValue, 64, 90, $offset); |
|
| 5647 | } elseif ($charValue >= 97 && $charValue <= 122) { |
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| 5648 | // a-z |
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| 5649 | $out .= $this->encryptCharcode($charValue, 97, 122, $offset); |
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| 5650 | } else { |
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| 5651 | $out .= $string[$i]; |
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| 5652 | } |
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| 5653 | } |
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| 5654 | } |
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| 5655 | return $out; |
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| 5656 | } |
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| 5657 | ||
| 5658 | /** |
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| 5659 | * Encryption (or decryption) of a single character. |
|
