fix: Add hCaptcha widget to the contact form

src/about.njk

@@ -117,6 +117,8 @@ pageScripts:
             <button type="reset">Reset Form</button>
           </div>
 
+          <div class="h-captcha" data-sitekey="b63e5b64-c6f2-4154-b5a6-77169a924022E"></div>
+
           <div class="honeypot-field" aria-hidden="true">
             <label for="url">Website URL</label>
             <input type="text" name="url" id="url" autocomplete="off" tabindex="-1">

src/scripts/contact-form.js

@@ -3,6 +3,30 @@
 const form = document.getElementById("contact-form");
 const resetButton = form.querySelector('button[type="reset"]');
 
+// Add a div for non-blocking messages
+const messageDiv = document.createElement('div');
+messageDiv.id = 'form-message';
+messageDiv.style.display = 'none';
+messageDiv.style.padding = '10px';
+messageDiv.style.marginTop = '10px';
+messageDiv.style.border = '1px solid';
+form.parentNode.insertBefore(messageDiv, form);
+
+
+// Utility: Show a message to the user
+function showMessage(text, isError = false) {
+    messageDiv.textContent = text;
+    messageDiv.style.display = 'block';
+    if (isError) {
+        messageDiv.style.backgroundColor = '#f8d7da';
+        messageDiv.style.borderColor = '#f5c6cb';
+        messageDiv.style.color = '#721c24';
+    } else {
+        messageDiv.style.backgroundColor = '#d4edda';
+        messageDiv.style.borderColor = '#c3e6cb';
+        messageDiv.style.color = '#155724';
+    }
+}
 
 // Utility: Show error for specific input
 function showError(inputId, message) {
@@ -12,10 +36,12 @@ function showError(inputId, message) {
     if (errorSpan) errorSpan.textContent = message;
 }
 
-// Utility: Clear all errors
+// Utility: Clear all errors and messages
 function clearErrors() {
     document.querySelectorAll(".error-message").forEach(span => span.textContent = "");
     document.querySelectorAll("input, textarea").forEach(input => input.classList.remove("error"));
+    messageDiv.style.display = 'none';
+    messageDiv.textContent = '';
 }
 
 form.addEventListener("submit", function(event) {
@@ -24,15 +50,13 @@ form.addEventListener("submit", function(event) {
     clearErrors(); // Clear previous errors
 
     const honeypotField = document.getElementById("url").value.trim();
-    // Add the honeypot check at the top
     if (honeypotField.length > 0) {
         console.warn("Honeypot field was filled. Blocking submission.");
-        // You might want to display a message to the user,
-        // but it's often better to fail silently to not alert the bot.
-        return; // This is the most important part: stop the function here.
+        // Fail silently to avoid alerting the bot.
+        return;
     }
 
-    // Get values
+    // Get values, including the hCaptcha response token
     const firstName = document.getElementById("first-name").value.trim();
     const lastName = document.getElementById("last-name").value.trim();
     const organization = document.getElementById("organization").value.trim();
@@ -40,10 +64,12 @@ form.addEventListener("submit", function(event) {
     const phone = document.getElementById("phone").value.trim();
     const contactMethod = document.querySelector('input[name="contact-method"]:checked')?.value;
     const message = document.getElementById("message").value.trim();
+    // Get the hCaptcha token from the global hcaptcha object
+    const hCaptchaResponse = hcaptcha.getResponse();
 
     let hasErrors = false;
 
-    // First Name
+    // Validation logic...
     if (!firstName) {
         showError("first-name", "Please enter your first name.");
         hasErrors = true;
@@ -52,7 +78,6 @@ form.addEventListener("submit", function(event) {
         hasErrors = true;
     }
 
-    // Last Name
     if (!lastName) {
         showError("last-name", "Please enter your last name.");
         hasErrors = true;
@@ -67,72 +92,75 @@ form.addEventListener("submit", function(event) {
         hasErrors = true;
     }
 
-    // Email
     const emailPattern = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
     if (!emailPattern.test(email)) {
         showError("email", "Please enter a valid email address.");
         hasErrors = true;
     }
 
-    // Phone — match format: 123-456-7890
     const phonePattern = /^(\(?\d{3}\)?[\s.-]?\d{3}[\s.-]?\d{4})$/;
     if (!phonePattern.test(phone)) {
         showError("phone", "Phone number must be in the format 123-456-7890.");
         hasErrors = true;
     }
 
-    // Message
     if (message.length < 10) {
         showError("message", "Message must be at least 10 characters long.");
         hasErrors = true;
     }
     
-    if (!hasErrors) {
-    // Package the form data into an object
-    const formData = {
-        firstName: firstName,
-        lastName: lastName,
-        organization: organization,
-        email: email,
-        phone: phone,
-        contactMethod: contactMethod,
-        message: message,
-        url: honeypotField,
-    };
+    // Check for hCaptcha token
+    if (!hCaptchaResponse) {
+        showMessage("Please complete the CAPTCHA.", true);
+        hasErrors = true;
+    }
 
-    // Send the data to the backend using fetch()
-    fetch('/api/submit-form', {
-        method: 'POST',
-        headers: {
-            'Content-Type': 'application/json',
-        },
-        body: JSON.stringify(formData), // Convert the data object to a JSON string
-    })
-    .then(response => {
-        if (response.ok) {
-            return response.json(); // Parse the JSON response
-        }
-        throw new Error('Network response was not ok.');
-    })
-    .then(data => {
-        // Success: handle the server's response
-        console.log('Success:', data);
-        alert('Form submitted successfully!');
-        form.reset(); // Optionally, reset the form after successful submission
-    })
-    .catch((error) => {
-        // Error: handle any network or server errors
-        console.error('Error:', error);
-        alert('An error occurred during submission. Please try again.');
-    });
-}
+
+    if (!hasErrors) {
+        // Package the form data, including the hCaptcha token
+        const formData = {
+            firstName: firstName,
+            lastName: lastName,
+            organization: organization,
+            email: email,
+            phone: phone,
+            contactMethod: contactMethod,
+            message: message,
+            url: honeypotField,
+            hCaptchaResponse: hCaptchaResponse // <-- THIS IS THE NEW PART
+        };
+
+        // Send the data to the backend using fetch()
+        fetch('/submit-form', {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json',
+            },
+            body: JSON.stringify(formData),
+        })
+        .then(response => {
+            if (response.ok) {
+                return response.json();
+            }
+            throw new Error('Network response was not ok.');
+        })
+        .then(data => {
+            console.log('Success:', data);
+            showMessage('Form submitted successfully!', false);
+            form.reset();
+        })
+        .catch((error) => {
+            console.error('Error:', error);
+            showMessage('An error occurred during submission. Please try again.', true);
+        });
+    }
 });
 
 form.addEventListener("reset", function (event) {
-    const confirmed = confirm("Are you sure you want to clear the form?");
+    const confirmed = window.confirm("Are you sure you want to clear the form?");
     if (!confirmed) {
-    event.preventDefault();
-    return;
+        event.preventDefault();
+        return;
     }
     clearErrors();
 });