Files
AdGuardHome/internal/filtering
Eugene Burkov 48cbc7bdf0 Pull request: 5258-good-old-filters
Merge in DNS/adguard-home from 5258-good-old-filters to master

Updates #5258.

Squashed commit of the following:

commit 8555e685a104713e552f017de63281749f41b6b2
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Tue Dec 20 16:07:52 2022 +0400

    filtering: imp tests, docs

commit 2ecfc18fc69850a06461620a24527158603cd7b8
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Tue Dec 20 11:00:59 2022 +0400

    filtering: fix docs

commit 1ea8d45a85f3fb6794b44134e8fdcbe2044d2199
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Mon Dec 19 23:19:37 2022 +0400

    filtering: imp naming, docs

commit c52a3bba48738c002111c234fb4c312380e49cfc
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Mon Dec 19 23:13:37 2022 +0400

    filtering: imp logic

commit 3ad4276ace40f05db47b49fb033d1b0fa208ec4e
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Mon Dec 19 17:49:15 2022 +0400

    filtering: imp docs

commit 1bc3cc443bc8ec988532effaaf5f50474a1a69ab
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Mon Dec 19 17:45:37 2022 +0400

    filtering: imp more

commit 7908339a0c9fcc29e8fe12b6c5d8c14bbfa51364
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Mon Dec 19 16:57:42 2022 +0400

    filtering: imp code

commit 21bbd18b4ded83f354210ac32010d8fd1073452f
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Mon Dec 19 12:11:21 2022 +0400

    filtering: imp src reading
2022-12-20 16:40:42 +03:00
..
2022-12-20 16:40:42 +03:00
2022-10-27 16:11:36 +03:00
2022-10-27 15:46:25 +03:00
2022-10-04 14:35:10 +03:00
2022-10-04 14:35:10 +03:00
2022-12-15 15:31:42 +03:00

AdGuard Home's DNS filtering go library

Example use:

[ -z "$GOPATH" ] && export GOPATH=$HOME/go
go get -d github.com/AdguardTeam/AdGuardHome/filtering

Create file filter.go

package main

import (
    "github.com/AdguardTeam/AdGuardHome/filtering"
    "log"
)

func main() {
    filter := filtering.New()
    filter.AddRule("||dou*ck.net^")
    host := "www.doubleclick.net"
    res, err := filter.CheckHost(host)
    if err != nil {
        // temporary failure
        log.Fatalf("Failed to check host %q: %s", host, err)
    }
    if res.IsFiltered {
        log.Printf("Host %s is filtered, reason - %q, matched rule: %q", host, res.Reason, res.Rule)
    } else {
        log.Printf("Host %s is not filtered, reason - %q", host, res.Reason)
    }
}

And then run it:

go run filter.go

You will get:

2000/01/01 00:00:00 Host www.doubleclick.net is filtered, reason - 'FilteredBlackList', matched rule: '||dou*ck.net^'

You can also enable checking against AdGuard's SafeBrowsing:

package main

import (
    "github.com/AdguardTeam/AdGuardHome/filtering"
    "log"
)

func main() {
    filter := filtering.New()
    filter.EnableSafeBrowsing()
    host := "wmconvirus.narod.ru" // hostname for testing safebrowsing
    res, err := filter.CheckHost(host)
    if err != nil {
        // temporary failure
        log.Fatalf("Failed to check host %q: %s", host, err)
    }
    if res.IsFiltered {
        log.Printf("Host %s is filtered, reason - %q, matched rule: %q", host, res.Reason, res.Rule)
    } else {
        log.Printf("Host %s is not filtered, reason - %q", host, res.Reason)
    }
}