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<?php |
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namespace RssApp\Components; |
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class Textcha |
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{ |
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const LOCAL_QUESTIONS = [ |
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[ |
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'q' => 'Of the numbers seventy one, 4, fifty seven, 70, 49 or forty four, which is the highest?', |
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'a' => [ |
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'e2c420d928d4bf8ce0ff2ec19b371514', |
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'8456ebf0e76ac3f80fc5adc4dfb46e42' |
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] |
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], |
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[ |
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'q' => 'In the number 4519096, what is the 4th digit?', |
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'a' => [ |
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'45c48cce2e2d7fbdea1afc51c7c6ad26', |
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'c785e1ed2950e3e36b1e2ca01f299a54' |
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] |
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], |
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[ |
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'q' => 'Steven\'s name is?', |
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'a' => [ |
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'6ed61d4b80bb0f81937b32418e98adca' |
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] |
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], |
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[ |
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'q' => 'Which digit is 5th in the number 2993975?', |
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'a' => [ |
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'45c48cce2e2d7fbdea1afc51c7c6ad26', |
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'c785e1ed2950e3e36b1e2ca01f299a54' |
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] |
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], |
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[ |
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'q' => 'Which is the highest number? Ninety four, 56 or seventy seven?', |
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'a' => [ |
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'f4b9ec30ad9f68f89b29639786cb62ef', |
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'96b0d8d3390fa62eb2f26db0bca9b2ef' |
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] |
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], |
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[ |
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'q' => 'In the number 222457, what is the 6th digit?', |
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'a' => [ |
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'8f14e45fceea167a5a36dedd4bea2543', |
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'bb3aec0fdcdbc2974890f805c585d432' |
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] |
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] |
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]; |
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public static function getQuestion(): array |
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{ |
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if (getenv('CAPTCHA_ALLOW_THIRD_PARTY') === 'true') { |
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$question = json_decode(file_get_contents('http://api.textcaptcha.com/rssapp.json'), true); |
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} else { |
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$question = self::LOCAL_QUESTIONS[array_rand(self::LOCAL_QUESTIONS)]; |
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} |
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foreach ($question['a'] as $index => $answer) { |
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$question['a'][$index] = sha1(getenv('CAPTCHA_SALT').$answer); |
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} |
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return $question; |
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} |
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public static function isCorrectAnswer(string $answer, string $hash): bool |
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{ |
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return (sha1(getenv('CAPTCHA_SALT').md5(strtolower(trim($answer)))) === $hash); |
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} |
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} |
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codysnider /
urss
