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Pull request: 3890 fix anonymization

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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
Download Patch File Download Diff File Expand all files Collapse all files

39
internal/querylog/json.go
View File

@@ -2,46 +2,30 @@ package querylog
import (
"fmt"
"net"
"strconv"
"strings"
"time"
"github.com/AdguardTeam/AdGuardHome/internal/aghnet"
"github.com/AdguardTeam/AdGuardHome/internal/filtering"
"github.com/AdguardTeam/golibs/log"
"github.com/AdguardTeam/golibs/netutil"
"github.com/miekg/dns"
"golang.org/x/net/idna"
)
// TODO(a.garipov): Use a proper structured approach here.
// Get Client IP address
func (l *queryLog) getClientIP(ip net.IP) (clientIP net.IP) {
if l.conf.AnonymizeClientIP && ip != nil {
const AnonymizeClientIPv4Mask = 16
const AnonymizeClientIPv6Mask = 112
if ip.To4() != nil {
return ip.Mask(net.CIDRMask(AnonymizeClientIPv4Mask, 32))
}
return ip.Mask(net.CIDRMask(AnonymizeClientIPv6Mask, 128))
}
return ip
}
// jobject is a JSON object alias.
type jobject = map[string]interface{}
// entriesToJSON converts query log entries to JSON.
func (l *queryLog) entriesToJSON(entries []*logEntry, oldest time.Time) (res jobject) {
data := []jobject{}
data := make([]jobject, 0, len(entries))
// the elements order is already reversed (from newer to older)
for i := 0; i < len(entries); i++ {
entry := entries[i]
jsonEntry := l.logEntryToJSONEntry(entry)
// The elements order is already reversed to be from newer to older.
for _, entry := range entries {
jsonEntry := l.entryToJSON(entry, l.anonymizer.Load())
data = append(data, jsonEntry)
}
@@ -56,7 +40,7 @@ func (l *queryLog) entriesToJSON(entries []*logEntry, oldest time.Time) (res job
return res
}
func (l *queryLog) logEntryToJSONEntry(entry *logEntry) (jsonEntry jobject) {
func (l *queryLog) entryToJSON(entry *logEntry, anonFunc aghnet.IPMutFunc) (jsonEntry jobject) {
var msg *dns.Msg
if len(entry.Answer) > 0 {
@@ -81,16 +65,21 @@ func (l *queryLog) logEntryToJSONEntry(entry *logEntry) (jsonEntry jobject) {
log.Debug("translating %q into unicode: %s", hostname, err)
}
eip := netutil.CloneIP(entry.IP)
anonFunc(eip)
jsonEntry = jobject{
"reason": entry.Result.Reason.String(),
"elapsedMs": strconv.FormatFloat(entry.Elapsed.Seconds()*1000, 'f', -1, 64),
"time": entry.Time.Format(time.RFC3339Nano),
"client": l.getClientIP(entry.IP),
"client_info": entry.client,
"client": eip,
"client_proto": entry.ClientProto,
"upstream": entry.Upstream,
"question": question,
}
if eip.Equal(entry.IP) {
jsonEntry["client_info"] = entry.client
}
if entry.ClientID != "" {
jsonEntry["client_id"] = entry.ClientID