Files
AdGuardHome/internal/filtering
Eugene Burkov 91f3e29c08 Pull request 1891: 5902-bootstrap-hosts
Merge in DNS/adguard-home from 5902-bootstrap-hosts to master

Updates #5902.

Squashed commit of the following:

commit fcc65d3a8d7566acc361f54b18d1af85045225e2
Merge: 0c336af07 1fd6cf1a2
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Fri Jun 30 12:29:06 2023 +0300

    Merge branch 'master' into 5902-bootstrap-hosts

commit 0c336af07d2864533e1f10029b4321d7cd210a47
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Thu Jun 29 15:40:28 2023 +0300

    all: imp & simplify

commit 45aae90035b98b30199cc7fc92991528f4e968c0
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Wed Jun 28 20:24:43 2023 +0300

    all: imp code, docs

commit e3dbb5bfe5dfbde7af00f39adcc15e9711e5feb0
Merge: a33a8e93c 2069eddf9
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Wed Jun 28 18:27:36 2023 +0300

    Merge branch 'master' into 5902-bootstrap-hosts

commit a33a8e93cb36f7d0c4472e524e44de6ff0ab6653
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Wed Jun 28 13:27:11 2023 +0300

    aghos: add type check

commit 781a3a248871df2ea37a936c8d6b0b11e2d2f3a4
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Wed Jun 28 13:09:37 2023 +0300

    all: log changes

commit 4575368655356f84992fad2bfb78cbc1c88da25a
Merge: 636c440fc cf7c12c97
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Wed Jun 28 13:08:11 2023 +0300

    Merge branch 'master' into 5902-bootstrap-hosts

commit 636c440fca9cbdfd5c12b7f89432fb9323e01d86
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Wed Jun 28 13:06:32 2023 +0300

    all: imp tests

commit 0eff7a747e32216d78abf9db9460cb9d48f31f96
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Mon Jun 26 18:40:22 2023 +0300

    dnsforward: imp code

commit 7489a30971e3c76b8f62fd4ca11a977eeabe2cf5
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Mon Jun 26 17:04:10 2023 +0300

    all: resolve upstreams with hosts
2023-06-30 12:41:10 +03:00
..
2023-02-21 16:38:22 +03:00
2023-06-28 15:29:38 +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)
    }
}