86 lines
2.6 KiB
JavaScript
86 lines
2.6 KiB
JavaScript
/**
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* PHP Email Form Validation - v3.1
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* URL: https://bootstrapmade.com/php-email-form/
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* Author: BootstrapMade.com
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*/
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(function () {
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"use strict";
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let forms = document.querySelectorAll('.php-email-form');
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forms.forEach( function(e) {
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e.addEventListener('submit', function(event) {
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event.preventDefault();
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let thisForm = this;
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let action = thisForm.getAttribute('action');
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let recaptcha = thisForm.getAttribute('data-recaptcha-site-key');
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if( ! action ) {
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displayError(thisForm, 'The form action property is not set!')
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return;
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}
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thisForm.querySelector('.loading').classList.add('d-block');
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thisForm.querySelector('.error-message').classList.remove('d-block');
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thisForm.querySelector('.sent-message').classList.remove('d-block');
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let formData = new FormData( thisForm );
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if ( recaptcha ) {
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if(typeof grecaptcha !== "undefined" ) {
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grecaptcha.ready(function() {
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try {
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grecaptcha.execute(recaptcha, {action: 'php_email_form_submit'})
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.then(token => {
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formData.set('recaptcha-response', token);
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php_email_form_submit(thisForm, action, formData);
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})
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} catch(error) {
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displayError(thisForm, error)
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}
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});
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} else {
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displayError(thisForm, 'The reCaptcha javascript API url is not loaded!')
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}
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} else {
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php_email_form_submit(thisForm, action, formData);
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}
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});
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});
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function php_email_form_submit(thisForm, action, formData) {
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fetch(action, {
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method: 'POST',
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body: formData,
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headers: {'X-Requested-With': 'XMLHttpRequest'}
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})
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.then(response => {
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if( response.ok ) {
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return response.text()
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} else {
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throw new Error(`${response.status} ${response.statusText} ${response.url}`);
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}
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})
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.then(data => {
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thisForm.querySelector('.loading').classList.remove('d-block');
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if (data.trim() == 'OK') {
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thisForm.querySelector('.sent-message').classList.add('d-block');
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thisForm.reset();
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} else {
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throw new Error(data ? data : 'Form submission failed and no error message returned from: ' + action);
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}
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})
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.catch((error) => {
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displayError(thisForm, error);
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});
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}
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function displayError(thisForm, error) {
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thisForm.querySelector('.loading').classList.remove('d-block');
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thisForm.querySelector('.error-message').innerHTML = error;
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thisForm.querySelector('.error-message').classList.add('d-block');
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}
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})();
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