I2P_in_Private_Browsing_Mode_for_Firefox/handler.js

function routerHost(url) {
    //  console.log("(urlcheck) HANDLER URL CHECK");
    let hostname = '';
    let path = '';

    function pathcheck(str) {
        //    console.log("(urlcheck) HANDLER PATH CHECK", str);
        if (str != undefined) {
            let final = str.split('/')[0];
            if (final === 'i2ptunnelmgr' || final === 'i2ptunnel') {
                console.log('(urlcheck) Tunnel application path', final);
                return 'i2ptunnelmgr';
            } else if (
                final === 'i2psnark' ||
                final === 'torrents' ||
                final.startsWith('transmission') ||
                final.startsWith('tracker') ||
                url.includes(':7662')
            ) {
                console.log('(urlcheck) Torrent application path', final);
                return 'i2psnark';
            } else if (final === 'webmail' || final === 'susimail') {
                if (!url.includes('.css')) {
                    console.log('(urlcheck) Mail application path', final);
                    return 'webmail';
                }
            } else if (final.startsWith('MuWire')) {
                if (!url.includes('.png')) {
                    console.log('(urlcheck) MuWire application path', final);
                    return 'muwire';
                }
            } else if (final.startsWith('i2pbote')) {
                if (!url.includes('.png')) {
                    console.log('(urlcheck) I2PBote application path', final);
                    return 'i2pbote';
                }
            } else if (
                final === 'home' ||
                final === 'console' ||
                final === 'dns' ||
                final === 'susidns' ||
                final.startsWith('susidns') ||
                final === 'sitemap' ||
                final.startsWith('config')
            ) {
                console.log('(urlcheck) Console application path', final);
                return 'routerconsole';
            }
        }
        return true;
    }
    if (url.indexOf('://') > -1) {
        hostname = url.split('/')[2];
        let prefix = url.substr(0, url.indexOf('://') + 3);
        path = url.replace(prefix + hostname + '/', '');
    } else if (identifyProtocolHandler(url)) {
        let newurl = identifyProtocolHandler(url);
        return routerHost(newurl);
    } else {
        hostname = url.split('/')[0];
        path = url.replace(hostname + '/', '');
    }
    if (hostname === control_host + ':' + control_port) {
        //console.log("(hostcheck) router console found on configured ports");
        return pathcheck(path);
    }
    if (hostname === 'localhost' + ':' + control_port) {
        //console.log("(hostcheck) router console found on configured ports");
        return pathcheck(path);
    }
    if (hostname === '127.0.0.1' + ':' + control_port) {
        return pathcheck(path);
    }
    if (hostname === 'localhost' + ':' + 7667) {
        return pathcheck(path);
    }
    if (hostname === '127.0.0.1' + ':' + 7667) {
        return pathcheck(path);
    }
    return false;
}

function identifyProtocolHandler(url) {
    //console.log("looking for handler-able requests")
    if (routerHost(url)) {
        if (url.includes(encodeURIComponent('ext+rc:'))) {
            return url.replace(encodeURIComponent('ext+rc:'), '');
        } else if (url.includes('ext+rc:')) {
            return url.replace('ext+rc:', '');
        }
    } else if (url.includes('ext+rc:')) {
        return url;
    }
    return false;
}

function trimHost(url) {
    let hostname = '';
    let prefix = '';
    if (url.indexOf('://') > -1) {
        prefix = url.substr(0, url.indexOf('://') + 3);
        hostname = url.split('/')[2];
    } else {
        hostname = url.split('/')[0];
    }
    let path = url.replace(prefix + hostname, '');
    console.log('(handler) path', prefix + hostname, path);
    return path;
}

var handlerSetup = function(requestDetails) {
    //console.log("checking protocol handler listener")
    let rwurl = identifyProtocolHandler(requestDetails.url);
    if (rwurl != false) {
        console.log('(handler) rewrite URL requested', rwurl);
        requestDetails.redirectUrl = rwurl;
        requestDetails.url = trimHost(rwurl);
        requestDetails.originUrl = trimHost(rwurl);
    }
    return requestDetails;
};
/*
browser.webRequest.onBeforeRequest.addListener(handlerSetup, {
  urls: ['<all_urls>'],
});
*/