62 lines
2.1 KiB
PHP
62 lines
2.1 KiB
PHP
<?php
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function password_check($password_check_input) {
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// Encrypt your password and uppercase all chars
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$sha1_password = strtoupper(sha1($password_check_input));
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// Trim to the first 5 characters of the hash
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$sha1_password_short = substr($sha1_password, 0, 5);
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// Fetch hash list
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$curl = curl_init();
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curl_setopt_array($curl, array(
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CURLOPT_URL => "https://api.pwnedpasswords.com/range/$sha1_password_short",
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CURLOPT_RETURNTRANSFER => true,
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CURLOPT_ENCODING => "",
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CURLOPT_MAXREDIRS => 10,
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CURLOPT_TIMEOUT => 30,
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CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
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CURLOPT_CUSTOMREQUEST => "GET",
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CURLOPT_HTTPHEADER => array(
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"content-type: text/plain"
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),
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));
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$response = curl_exec($curl);
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$err = curl_error($curl);
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// Put reponse into an array
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$lines = explode(PHP_EOL, $response);
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// Set hitcounter to ZERO
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$hitcounter=0;
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// Loop through all lines
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foreach ($lines as $line => $row) {
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// Join the 5 sha1 chars with the result
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$row = $sha1_password_short . $row;
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// Break output
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$row = explode(':', $row);
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// Set hash as row (part zero of the explode)
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$row = $row[0];
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// Check if the hash matches your encrypted password
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if ($row == $sha1_password) {
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$hitcounter++;
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}
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}
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curl_close($curl);
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if ($err) {
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echo "cURL Error: $err";
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}
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if ($hitcounter != 0) {
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echo "<p><center>The chosen password is known as a breached password!<br>
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Please select a different password</center></p>";
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die;
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}
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}
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password_check("MySsecretPassword");
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?>
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