bricks

#!/bin/sh
# BRICKS the Gfwed domains list by @leaskh

listDomain() {
    cat $brickFile
}

searchDomain() {
    grep "$1" $brickFile
}

addDomain() {
    if [ "$1" = '' ]; then
        echo 'Domain can not be empty!';
        exit 1
    fi
    echo $1 >> $brickFile
    cleanList
}

removeDomain() {
    grep -v "$1" $brickFile > $brickFile.temp
    mv $brickFile.temp $brickFile
    cleanList
}

cleanList() {
    sort -u $brickFile -o $brickFile
    echo 'Done :)'
}

makePac() {
    if [ "$*" = '' ]; then
        echo 'Proxy configurations can not be empty!';
        exit 1
    fi
    bricks=''
    length=0
    opFile=bricks.pac
    while read line; do
        if [ "$line" != '' ]; then
            bricks+="'$line' : 1,"
            length=$(( length + 1 ))
        fi
    done < $brickFile
    strPac=$(cat <<EOF
// BRICKS Pac by @leaskh
// www.leaskh.com, i@leaskh.com\n

function FindProxyForURL(url, host) {

    var bricks = {
        $bricks
        'localhost' : 1
    };

    \n// see https://github.com/clowwindy/ChinaDNS/blob/master/chinadns/dnsrelay.py\n
    var fakeIps = {
        '74.125.127.102'  : 1,
        '74.125.155.102'  : 1,
        '74.125.39.102'   : 1,
        '74.125.39.113'   : 1,
        '209.85.229.138'  : 1,
        '128.121.126.139' : 1,
        '159.106.121.75'  : 1,
        '169.132.13.103'  : 1,
        '192.67.198.6'    : 1,
        '202.106.1.2'     : 1,
        '202.181.7.85'    : 1,
        '203.161.230.171' : 1,
        '203.98.7.65'     : 1,
        '207.12.88.98'    : 1,
        '208.56.31.43'    : 1,
        '209.145.54.50'   : 1,
        '209.220.30.174'  : 1,
        '209.36.73.33'    : 1,
        '211.94.66.147'   : 1,
        '213.169.251.35'  : 1,
        '216.221.188.182' : 1,
        '216.234.179.13'  : 1,
        '243.185.187.39'  : 1,
        '37.61.54.158'    : 1,
        '4.36.66.178'     : 1,
        '46.82.174.68'    : 1,
        '59.24.3.173'     : 1,
        '64.33.88.161'    : 1,
        '64.33.99.47'     : 1,
        '64.66.163.251'   : 1,
        '65.104.202.252'  : 1,
        '65.160.219.113'  : 1,
        '66.45.252.237'   : 1,
        '72.14.205.104'   : 1,
        '72.14.205.99'    : 1,
        '78.16.49.15'     : 1,
        '8.7.198.45'      : 1,
        '93.46.8.89'      : 1
    };

    var safePorts = {
        5223  : 1,
        3478  : 1,
        3479  : 1,
        3480  : 1,
        3481  : 1,
        3482  : 1,
        3483  : 1,
        3484  : 1,
        3485  : 1,
        3486  : 1,
        3487  : 1,
        3488  : 1,
        3489  : 1,
        3490  : 1,
        3491  : 1,
        3492  : 1,
        3493  : 1,
        3494  : 1,
        3495  : 1,
        3496  : 1,
        3497  : 1,
        16384 : 1,
        16385 : 1,
        16386 : 1,
        16387 : 1,
        16393 : 1,
        16394 : 1,
        16395 : 1,
        16396 : 1,
        16397 : 1,
        16398 : 1,
        16399 : 1,
        16400 : 1,
        16401 : 1,
        16402 : 1
    };

    var proxy = '$*';

    function testDomain(target, domains, cnRootIncluded) {
        var idxA = target.lastIndexOf('.');
        var idxB = target.lastIndexOf('.', idxA - 1);
        var hasOwnProperty = Object.hasOwnProperty;
        var suffix = cnRootIncluded ? target.substring(idxA + 1) : '';
        if (suffix === 'cn') {
            return true;
        }
        while (true) {
            if (idxB === -1) {
                if (hasOwnProperty.call(domains, target)) {
                    return true;
                } else {
                    return false;
                }
            }
            suffix = target.substring(idxB + 1);
            if (hasOwnProperty.call(domains, suffix)) {
                return true;
            }
            idxB = target.lastIndexOf('.', idxB - 1);
        }
    }

    if (isPlainHostName(host)
     || host === '127.0.0.1'
     || host === 'localhost') {
        return 'DIRECT';
    }

    if (testDomain(host, bricks)) {
        return proxy;
    }

    if (safePorts[host.split(':')[1]]) {
        return 'DIRECT';
    }

    var strIp = dnsResolve(host);
    if (!strIp) {
        return proxy;
    }

    if (fakeIps[strIp]) {
        return proxy;
    }

    return DIRECT;

}
EOF)
    echo $strPac > $opFile
    echo 'Done :)'
    echo "Rules: $length items."
    echo "Usage: Use the newly created $opFile as your web browser's automatic"
    echo 'PAC(Proxy auto-config) file.'
}

pacServer() {
    makePac $*
    echo 'PAC is now serving at: 0.0.0.0:8000'
    echo 'Check it out with: $ curl http://127.0.0.1:8000/bricks.pac'
    python -m SimpleHTTPServer
}

showHelp() {
    echo ' ____________________________________________ '
    echo '| Twitter|________|________|________|__Vimeo_|'
    echo '|________|Facebook|________|________|________|'
    echo '|________|________|________|________|________|'
    echo '|________|________|________|_Google_|________|'
    echo '|YouTube_|        |________|________|________|'
    echo '|                                            |'
    echo '|              *                             |'
    echo '|                                            |'
    echo '|              _______                       |'
    echo '|             |_______|                      |'
    echo '|____________________________________________|'
    echo ''
    echo 'BRICKS is a list for all the domains blocked by the Chinese GFW (Great-Fire-Wall).'
    echo ''
    echo '- list   : List all the domains in BRICKS'
    echo '- search : Search for domains in BRICKS'
    echo '- add    : Add domain into BRICKS'
    echo '- remove : Remove domain from BRICKS'
    echo '- clean  : Sort & uniq domains in BRICKS'
    echo '- makpac : Make PAC file with BRICKS'
    echo '- pacsrv : Make PAC file and launch HTTP server'
    echo '- helps  : Show this infos'
}

unknowCommand() {
    showHelp
    exit 1
}

# BlackBox configurations
brickFile=./gfw.bricks

# Main logic
case "$1" in
    'list'  ) listDomain     ;;
    'search') searchDomain $2;;
    'add'   ) addDomain    $2;;
    'remove') removeDomain $2;;
    'clean' ) cleanList      ;;
    'makpac') makePac      $2;;
    'pacsrv') pacServer    $2;;
    'help'  ) showHelp       ;;
    *       ) unknowCommand  ;;
esac
exit 0