https://www.southsideremovals.com.au/wp-content/plugins/wb_spam_filter/js/challenge.js?ver=1.0.0

1const wb_challenge = new function(){
2    this.debug = false;
3	
4	this.init = () => {
5		// Solve challenge
6        this.solve_challenge();
7	};
8    
9    this.solve_challenge = () => {
10        if( this.debug ) console.log('Attempting browser challenge');
11        const formWrappers = document.querySelectorAll('.gform_wrapper');
12        formWrappers.forEach( formWrapper => {
13            const form = formWrapper.querySelector('form');
14            const form_id = form.dataset.formid;
15            const challengeField = formWrapper.querySelector('input[name="input_'+challenge_opts.field+'"]');
16            if( this.debug ) console.log('Browser challenge field: ', challengeField);
17            if( !challengeField ){
18                return;
19            }
20            this.solve_challenge_field( challengeField );
21        } );
22    };
23    
24    this.solve_challenge_field = async ( challengeField ) => {
25        const challengeValue = challengeField.value;
26        if( this.debug ) console.log('Browser challenge value: ', challengeValue);
27        
28        if( typeof TextEncoder == "undefined" || typeof crypto == "undefined" || typeof crypto.subtle == "undefined" ){
29            alert('Your web browser is outdated and unsupported. Registration cannot be completed. Please upgrade to a modern web browser such as Microsoft Edge or Google Chrome.');
30            return;
31        }
32        
33        const encoder = new TextEncoder();
34        const data = encoder.encode(challengeValue);
35        if( this.debug ) console.log('Browser challenge data: ', data);
36        const hash = await crypto.subtle.digest('SHA-1', data);
37        if( this.debug ) console.log('Browser challenge hash: ', hash);
38        const hashArray = Array.from(new Uint8Array(hash));
39        const hashHex = hashArray.map((b) => b.toString(16).padStart(2, '0')).join('');
40        if( this.debug ) console.log('Browser challenge hex: ', hashHex);
41        
42        challengeField.value = hashHex;
43        if( this.debug ) console.log('Browser challenge field final value: ', challengeField.value);
44    };
45	
46    // see if DOM is already available
47    if (document.readyState === "complete" || document.readyState === "interactive") {
48        // call on next available tick
49        setTimeout(this.init, 1);
50    } else {
51        document.addEventListener("DOMContentLoaded", this.init);
52    }
53};