Pull request: 3890 fix anonymization

Merge in DNS/adguard-home from 3890-fix-stats to master

Updates #3890.

Squashed commit of the following:

commit a77a6204bc8a58f62a4fac70efdcae4267a64810
Merge: 834493a2 90e65b66
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Mon Dec 6 17:22:16 2021 +0300

    Merge branch 'master' into 3890-fix-stats

commit 834493a22ae79199efcc44e0715e2ac6f6272963
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Mon Dec 6 17:09:30 2021 +0300

    querylog: load once

commit b8000e7ba7a998fcd4553230ec5e5f9c90106e31
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Mon Dec 6 16:54:41 2021 +0300

    querylog: fix docs

commit 7db99ccfa19b58100950c11d67b23bca7af3e5cb
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Mon Dec 6 16:51:31 2021 +0300

    querylog: imp docs

commit 2a84650bd7ac5195730a7ab47b9562a83f721499
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Mon Dec 6 15:48:09 2021 +0300

    querylog: imp anonyization

commit 0f63feb1ff5f006fc528c3b681ef3b9d2199581e
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Mon Dec 6 14:44:37 2021 +0300

    all: imp code & docs

commit c4ccdcbb7248897edd178fd5cb77127e39ada73d
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Mon Dec 6 14:24:30 2021 +0300

    all: log changes

commit 60bb777a5aff36bba129a078fa11ae566298178a
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Mon Dec 6 14:08:41 2021 +0300

    all: use atomic value

commit c45886bd20eee2212b42686ff369830d8c08fe36
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Tue Nov 30 18:50:02 2021 +0300

    all: anonymize separately
This commit is contained in:
Eugene Burkov
2021-12-06 17:26:43 +03:00
parent 90e65b662c
commit d2cf3233b8
16 changed files with 279 additions and 111 deletions

View File

@@ -3,6 +3,7 @@ package querylog
import (
"encoding/json"
"fmt"
"net"
"net/http"
"net/url"
"strconv"
@@ -12,6 +13,7 @@ import (
"github.com/AdguardTeam/golibs/jsonutil"
"github.com/AdguardTeam/golibs/log"
"github.com/AdguardTeam/golibs/stringutil"
"github.com/AdguardTeam/golibs/timeutil"
"golang.org/x/net/idna"
)
@@ -88,23 +90,59 @@ func (l *queryLog) handleQueryLogInfo(w http.ResponseWriter, r *http.Request) {
}
}
// anonymizeIPSlow masks ip to anonymize the client if the ip is a valid one.
// It only exists in purposes of benchmark demonstration.
func anonymizeIPSlow(ip net.IP) {
if ip4 := ip.To4(); ip4 != nil {
copy(ip4[net.IPv4len-2:], []byte{0, 0})
} else if len(ip) == net.IPv6len {
copy(ip[net.IPv6len-10:], []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0})
}
}
// AnonymizeIP masks ip to anonymize the client if the ip is a valid one.
func AnonymizeIP(ip net.IP) {
// We use an assignment operator here since it compiles into more efficient
// code than copy(). See BenchmarkAnonymizeIP.
if ip4 := ip.To4(); ip4 != nil {
ip4[net.IPv4len-2], ip4[net.IPv4len-1] = 0, 0
} else if len(ip) == net.IPv6len {
ip[net.IPv6len-10],
ip[net.IPv6len-9],
ip[net.IPv6len-8],
ip[net.IPv6len-7],
ip[net.IPv6len-6],
ip[net.IPv6len-5],
ip[net.IPv6len-4],
ip[net.IPv6len-3],
ip[net.IPv6len-2],
ip[net.IPv6len-1] =
0, 0, 0, 0, 0, 0, 0, 0, 0, 0
}
}
// Set configuration
func (l *queryLog) handleQueryLogConfig(w http.ResponseWriter, r *http.Request) {
d := qlogConfig{}
req, err := jsonutil.DecodeObject(&d, r.Body)
d := &qlogConfig{}
req, err := jsonutil.DecodeObject(d, r.Body)
if err != nil {
httpError(r, w, http.StatusBadRequest, "%s", err)
return
}
ivl := time.Duration(24*d.Interval) * time.Hour
ivl := time.Duration(float64(timeutil.Day) * d.Interval)
if req.Exists("interval") && !checkInterval(ivl) {
httpError(r, w, http.StatusBadRequest, "Unsupported interval")
return
}
defer l.conf.ConfigModified()
l.lock.Lock()
// copy data, modify it, then activate. Other threads (readers) don't need to use this lock.
defer l.lock.Unlock()
// Copy data, modify it, then activate. Other threads (readers) don't need
// to use this lock.
conf := *l.conf
if req.Exists("enabled") {
conf.Enabled = d.Enabled
@@ -113,12 +151,13 @@ func (l *queryLog) handleQueryLogConfig(w http.ResponseWriter, r *http.Request)
conf.RotationIvl = ivl
}
if req.Exists("anonymize_client_ip") {
conf.AnonymizeClientIP = d.AnonymizeClientIP
if conf.AnonymizeClientIP = d.AnonymizeClientIP; conf.AnonymizeClientIP {
l.anonymizer.Store(AnonymizeIP)
} else {
l.anonymizer.Store(nil)
}
}
l.conf = &conf
l.lock.Unlock()
l.conf.ConfigModified()
}
// "value" -> value, return TRUE