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<!DOCTYPE html>
< meta charset = utf-8 >
< meta content = "width=device-width,initial-scale=1" name = viewport >
< title > Captcheck< / title >
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< link rel = "stylesheet" href = "https://static.netsyms.net/bootstrap/4/bootstrap.materia.min.css" / >
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< link rel = "stylesheet" href = "https://static.netsyms.net/prism/prism.css" / >
< script async src = "https://static.netsyms.net/fontawesome/5.2/js/all.min.js" > < / script >
< script defer async src = "https://static.netsyms.net/prism/prism.js" > < / script >
< style >
h2, h3, p {
text-align: center;
}
pre {
padding-left: 5px;
}
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.bg-minty {
background-color: #7dffd2;
}
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@media only screen and (min-width: 768px) and (max-width: 991px) {
h2, h3 {
text-align: left;
}
.site-icon {
margin-top: 18px;
}
}
@media only screen and (min-width: 992px) and (max-width: 1199px) {
h2, h3 {
text-align: left;
}
.site-icon {
margin-top: 14px;
}
}
@media only screen and (min-width: 1200px) {
h2, h3 {
text-align: left;
}
.site-icon {
margin-top: 0px;
}
}
< / style >
< div class = "container" >
< div class = "card" >
< div class = "card-body" >
< div class = "row" >
< div class = "col-12" style = "text-align: center;" >
< img src = "logo.png" class = "site-icon" style = "width: 400px; max-width: 100%;" / >
< / div >
< / div >
< p style = "font-size: 15px; line-height: 20px;" > Open source reCAPTCHA alternative< / p >
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< div class = "d-flex" >
< ul class = "nav nav-pills mx-auto" >
< li class = "nav-item" >
< span class = "nav-link" >
< i class = "fab fa-php" > < / i > PHP 7
< / span >
< / li >
< li class = "nav-item" >
< span class = "nav-link" >
< i class = "fas fa-database" > < / i > MySQL
< / span >
< / li >
< li class = "nav-item" >
< a class = "nav-link" href = "https://source.netsyms.com/Netsyms/Captcheck/src/branch/master/LICENSE" style = "color: #444;" >
< i class = "fas fa-file-contract" > < / i > MIT
< / a >
< / li >
< li class = "nav-item" >
< a class = "nav-link" href = "https://source.netsyms.com/Netsyms/Captcheck" style = "color: #444;" >
< i class = "fas fa-code-branch" > < / i > Git
< / a >
< / li >
< / ul >
< / div >
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< / div >
< / div >
< div class = "row my-4" >
< div class = "col-12 col-md-6" >
< div class = "card" >
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< div class = "card-header bg-minty" >
< h4 class = "card-heading d-flex mb-0" > < span class = "mr-auto" > Demo< / span > < a onclick = "document.getElementById('demoframe').src = document.getElementById('demoframe').src" title = "Reset demo" > < i class = "fas fa-sync-alt" > < / i > < / a > < / h4 >
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< / div >
< div class = "card-body" >
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< iframe style = "border: 0px solid white; width: 100%; height: 100%; height: 350px;" src = "test.html" id = "demoframe" > < / iframe >
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< / div >
< / div >
< / div >
< div class = "col-12 col-md-6" >
< div class = "card" >
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< div class = "card-header bg-minty" >
< h4 class = "card-heading mb-0" > Use< / h4 >
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< / div >
< div class = "card-body" >
< b > Put this in your page somewhere:< / b >
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< pre > < code class = "language-html" > < script src="https://captcheck.netsyms.com/captcheck.min.js">< /script>< / code > < / pre >
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< b > Put this in your form where you want the CAPTCHA:< / b >
< pre > < code class = "language-html" > < div class="captcheck_container">< /div>< / code > < / pre >
< b > Put this in your server-side form validation (PHP example):< / b >
< pre > < code class = "language-php" >
$url = 'https://captcheck.netsyms.com/api.php';
$data = [
'session_id' => $_POST['captcheck_session_code'],
'answer_id' => $_POST['captcheck_selected_answer'],
'action' => "verify"
];
$options = [
'http' => [
'header' => "Content-type: application/x-www-form-urlencoded\r\n",
'method' => 'POST',
'content' => http_build_query($data)
]
];
$context = stream_context_create($options);
$result = file_get_contents($url, false, $context);
$resp = json_decode($result, TRUE);
if (!$resp['result']) {
// Replace with error-handling code
exit("CAPTCHA did not verify:" . $resp['msg']);
} else {
// The CAPTCHA is valid.
exit("CAPTCHA verified!");
}
< / code > < / pre >
< b > If you have a strict Content Security Policy, change your div to this:< / b >
< pre > < code class = "language-html" > < div class="captcheck_container" data-stylenonce="your nonce here">< /div>< / code > < / pre >
Note: by using this hosted service, you agree to < a href = "https://netsyms.com/legal" > these terms< / a > . If you don't like them, feel free to host Captcheck on your own server.
Popular sites should self-host as well just to be nice.
< / div >
< / div >
< / div >
< / div >
< div class = "footer" > < p > Copyright © 2018 < a href = "https://netsyms.com" > Netsyms Technologies< / a > . MIT License.< br / > < a href = "https://source.netsyms.com/Netsyms/Captcheck" > Get the source< / a > and run your own CAPTCHA service.< / p > < / div >
< / div >
