discover fresh user-agent automatically

This commit is contained in:
Vladislav Yarmak
2025-04-12 20:04:38 +03:00
parent 65fdac74bd
commit c019e84bbe
5 changed files with 160 additions and 10 deletions

52
chromever.go Normal file
View File

@@ -0,0 +1,52 @@
package main
import (
"context"
"fmt"
"net"
"net/http"
"time"
"google.golang.org/api/option"
"google.golang.org/api/versionhistory/v1"
)
func GetChromeVer(ctx context.Context, dialer ContextDialer) (string, error) {
if dialer == nil {
dialer = &net.Dialer{
Timeout: 30 * time.Second,
KeepAlive: 30 * time.Second,
}
}
transport := &http.Transport{
DialContext: dialer.DialContext,
ForceAttemptHTTP2: true,
MaxIdleConns: 100,
IdleConnTimeout: 90 * time.Second,
TLSHandshakeTimeout: 10 * time.Second,
ExpectContinueTimeout: 1 * time.Second,
}
defer transport.CloseIdleConnections()
httpClient := &http.Client{
Transport: transport,
}
versionHistoryService, err := versionhistory.NewService(ctx, option.WithHTTPClient(httpClient))
if err != nil {
return "", fmt.Errorf("unable to create version history service: %w", err)
}
call := versionHistoryService.Platforms.Channels.Versions.List("chrome/platforms/win/channels/stable")
call = call.OrderBy("version desc").PageSize(1)
call.Context(ctx)
resp, err := call.Do()
if err != nil {
return "", fmt.Errorf("call to version history service failed: %w", err)
}
if len(resp.Versions) == 0 {
return "", ErrNoVerData
}
return resp.Versions[0].Version, nil
}

View File

@@ -86,7 +86,7 @@ func GetExtVer(ctx context.Context,
defer resp.Body.Close()
if resp.StatusCode != 200 {
return "", fmt.Errorf("bad status code: %d", resp.StatusCode)
return "", fmt.Errorf("chrome web store: bad status code: %d", resp.StatusCode)
}
reader := io.LimitReader(resp.Body, 64*1024)

19
go.mod
View File

@@ -12,27 +12,46 @@ require (
github.com/miekg/dns v1.1.65
github.com/refraction-networking/utls v1.6.7
golang.org/x/net v0.39.0
google.golang.org/api v0.228.0
)
require (
cloud.google.com/go/auth v0.15.0 // indirect
cloud.google.com/go/auth/oauth2adapt v0.2.8 // indirect
cloud.google.com/go/compute/metadata v0.6.0 // indirect
github.com/AdguardTeam/golibs v0.32.7 // indirect
github.com/ameshkov/dnscrypt/v2 v2.4.0 // indirect
github.com/ameshkov/dnsstamps v1.0.3 // indirect
github.com/andybalholm/brotli v1.1.1 // indirect
github.com/cloudflare/circl v1.6.1 // indirect
github.com/felixge/httpsnoop v1.0.4 // indirect
github.com/go-logr/logr v1.4.2 // indirect
github.com/go-logr/stdr v1.2.2 // indirect
github.com/go-task/slim-sprig/v3 v3.0.0 // indirect
github.com/google/pprof v0.0.0-20250403155104-27863c87afa6 // indirect
github.com/google/s2a-go v0.1.9 // indirect
github.com/googleapis/enterprise-certificate-proxy v0.3.6 // indirect
github.com/googleapis/gax-go/v2 v2.14.1 // indirect
github.com/klauspost/compress v1.18.0 // indirect
github.com/onsi/ginkgo/v2 v2.23.4 // indirect
github.com/quic-go/qpack v0.5.1 // indirect
github.com/quic-go/quic-go v0.50.1 // indirect
go.opentelemetry.io/auto/sdk v1.1.0 // indirect
go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.60.0 // indirect
go.opentelemetry.io/otel v1.35.0 // indirect
go.opentelemetry.io/otel/metric v1.35.0 // indirect
go.opentelemetry.io/otel/trace v1.35.0 // indirect
go.uber.org/automaxprocs v1.6.0 // indirect
go.uber.org/mock v0.5.1 // indirect
golang.org/x/crypto v0.37.0 // indirect
golang.org/x/exp v0.0.0-20250408133849-7e4ce0ab07d0 // indirect
golang.org/x/mod v0.24.0 // indirect
golang.org/x/oauth2 v0.28.0 // indirect
golang.org/x/sync v0.13.0 // indirect
golang.org/x/sys v0.32.0 // indirect
golang.org/x/text v0.24.0 // indirect
golang.org/x/tools v0.32.0 // indirect
google.golang.org/genproto/googleapis/rpc v0.0.0-20250313205543-e70fdf4c4cb4 // indirect
google.golang.org/grpc v1.71.0 // indirect
google.golang.org/protobuf v1.36.6 // indirect
)

47
go.sum
View File

@@ -1,3 +1,9 @@
cloud.google.com/go/auth v0.15.0 h1:Ly0u4aA5vG/fsSsxu98qCQBemXtAtJf+95z9HK+cxps=
cloud.google.com/go/auth v0.15.0/go.mod h1:WJDGqZ1o9E9wKIL+IwStfyn/+s59zl4Bi+1KQNVXLZ8=
cloud.google.com/go/auth/oauth2adapt v0.2.8 h1:keo8NaayQZ6wimpNSmW5OPc283g65QNIiLpZnkHRbnc=
cloud.google.com/go/auth/oauth2adapt v0.2.8/go.mod h1:XQ9y31RkqZCcwJWNSx2Xvric3RrU88hAYYbjDWYDL+c=
cloud.google.com/go/compute/metadata v0.6.0 h1:A6hENjEsCDtC1k8byVsgwvVcioamEHvZ4j01OwKxG9I=
cloud.google.com/go/compute/metadata v0.6.0/go.mod h1:FjyFAW1MW0C203CEOMDTu3Dk1FlqW3Rga40jzHL4hfg=
github.com/AdguardTeam/dnsproxy v0.75.2 h1:bciOkzQh/GG8vcZGdFn6+rS3pu+2Npt9tbA4bNA/rsc=
github.com/AdguardTeam/dnsproxy v0.75.2/go.mod h1:U/ouLftmXMIrkTAf8JepqbPuoQzsbXJo0Vxxn+LAdgA=
github.com/AdguardTeam/golibs v0.32.7 h1:3dmGlAVgmvquCCwHsvEl58KKcRAK3z1UnjMnwSIeDH4=
@@ -16,16 +22,29 @@ github.com/cloudflare/circl v1.6.1 h1:zqIqSPIndyBh1bjLVVDHMPpVKqp8Su/V+6MeDzzQBQ
github.com/cloudflare/circl v1.6.1/go.mod h1:uddAzsPgqdMAYatqJ0lsjX1oECcQLIlRpzZh3pJrofs=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/felixge/httpsnoop v1.0.4 h1:NFTV2Zj1bL4mc9sqWACXbQFVBBg2W3GPvqp8/ESS2Wg=
github.com/felixge/httpsnoop v1.0.4/go.mod h1:m8KPJKqk1gH5J9DgRY2ASl2lWCfGKXixSwevea8zH2U=
github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
github.com/go-logr/logr v1.4.2 h1:6pFjapn8bFcIbiKo3XT4j/BhANplGihG6tvd+8rYgrY=
github.com/go-logr/logr v1.4.2/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
github.com/go-task/slim-sprig/v3 v3.0.0 h1:sUs3vkvUymDpBKi3qH1YSqBQk9+9D/8M2mN1vB6EwHI=
github.com/go-task/slim-sprig/v3 v3.0.0/go.mod h1:W848ghGpv3Qj3dhTPRyJypKRiqCdHZiAzKg9hl15HA8=
github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
github.com/google/pprof v0.0.0-20250403155104-27863c87afa6 h1:BHT72Gu3keYf3ZEu2J0b1vyeLSOYI8bm5wbJM/8yDe8=
github.com/google/pprof v0.0.0-20250403155104-27863c87afa6/go.mod h1:boTsfXsheKC2y+lKOCMpSfarhxDeIzfZG1jqGcPl3cA=
github.com/google/s2a-go v0.1.9 h1:LGD7gtMgezd8a/Xak7mEWL0PjoTQFvpRudN895yqKW0=
github.com/google/s2a-go v0.1.9/go.mod h1:YA0Ei2ZQL3acow2O62kdp9UlnvMmU7kA6Eutn0dXayM=
github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
github.com/googleapis/enterprise-certificate-proxy v0.3.6 h1:GW/XbdyBFQ8Qe+YAmFU9uHLo7OnF5tL52HFAgMmyrf4=
github.com/googleapis/enterprise-certificate-proxy v0.3.6/go.mod h1:MkHOF77EYAE7qfSuSS9PU6g4Nt4e11cnsDUowfwewLA=
github.com/googleapis/gax-go/v2 v2.14.1 h1:hb0FFeiPaQskmvakKu5EbCbpntQn48jyHuvrkurSS/Q=
github.com/googleapis/gax-go/v2 v2.14.1/go.mod h1:Hb/NubMaVM88SrNkvl8X/o8XWwDJEPqouaLeN2IUxoA=
github.com/klauspost/compress v1.18.0 h1:c/Cqfb0r+Yi+JtIEq73FWXVkRonBlf0CRNYc8Zttxdo=
github.com/klauspost/compress v1.18.0/go.mod h1:2Pp+KzxcywXVXMr50+X0Q/Lsb43OQHYWRCY2AiWywWQ=
github.com/miekg/dns v1.1.65 h1:0+tIPHzUW0GCge7IiK3guGP57VAw7hoPDfApjkMD1Fc=
@@ -48,6 +67,20 @@ github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOf
github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
github.com/xyproto/randomstring v1.0.5 h1:YtlWPoRdgMu3NZtP45drfy1GKoojuR7hmRcnhZqKjWU=
github.com/xyproto/randomstring v1.0.5/go.mod h1:rgmS5DeNXLivK7YprL0pY+lTuhNQW3iGxZ18UQApw/E=
go.opentelemetry.io/auto/sdk v1.1.0 h1:cH53jehLUN6UFLY71z+NDOiNJqDdPRaXzTel0sJySYA=
go.opentelemetry.io/auto/sdk v1.1.0/go.mod h1:3wSPjt5PWp2RhlCcmmOial7AvC4DQqZb7a7wCow3W8A=
go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.60.0 h1:sbiXRNDSWJOTobXh5HyQKjq6wUC5tNybqjIqDpAY4CU=
go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.60.0/go.mod h1:69uWxva0WgAA/4bu2Yy70SLDBwZXuQ6PbBpbsa5iZrQ=
go.opentelemetry.io/otel v1.35.0 h1:xKWKPxrxB6OtMCbmMY021CqC45J+3Onta9MqjhnusiQ=
go.opentelemetry.io/otel v1.35.0/go.mod h1:UEqy8Zp11hpkUrL73gSlELM0DupHoiq72dR+Zqel/+Y=
go.opentelemetry.io/otel/metric v1.35.0 h1:0znxYu2SNyuMSQT4Y9WDWej0VpcsxkuklLa4/siN90M=
go.opentelemetry.io/otel/metric v1.35.0/go.mod h1:nKVFgxBZ2fReX6IlyW28MgZojkoAkJGaE8CpgeAU3oE=
go.opentelemetry.io/otel/sdk v1.35.0 h1:iPctf8iprVySXSKJffSS79eOjl9pvxV9ZqOWT0QejKY=
go.opentelemetry.io/otel/sdk v1.35.0/go.mod h1:+ga1bZliga3DxJ3CQGg3updiaAJoNECOgJREo9KHGQg=
go.opentelemetry.io/otel/sdk/metric v1.35.0 h1:1RriWBmCKgkeHEhM7a2uMjMUfP7MsOF5JpUCaEqEI9o=
go.opentelemetry.io/otel/sdk/metric v1.35.0/go.mod h1:is6XYCUMpcKi+ZsOvfluY5YstFnhW0BidkR+gL+qN+w=
go.opentelemetry.io/otel/trace v1.35.0 h1:dPpEfJu1sDIqruz7BHFG3c7528f6ddfSWfFDVt/xgMs=
go.opentelemetry.io/otel/trace v1.35.0/go.mod h1:WUk7DtFp1Aw2MkvqGdwiXYDZZNvA/1J8o6xRXLrIkyc=
go.uber.org/automaxprocs v1.6.0 h1:O3y2/QNTOdbF+e/dpXNNW7Rx2hZ4sTIPyybbxyNqTUs=
go.uber.org/automaxprocs v1.6.0/go.mod h1:ifeIMSnPZuznNm6jmdzmU3/bfk01Fe2fotchwEFJ8r8=
go.uber.org/mock v0.5.1 h1:ASgazW/qBmR+A32MYFDB6E2POoTgOwT509VP0CT/fjs=
@@ -60,6 +93,8 @@ golang.org/x/mod v0.24.0 h1:ZfthKaKaT4NrhGVZHO1/WDTwGES4De8KtWO0SIbNJMU=
golang.org/x/mod v0.24.0/go.mod h1:IXM97Txy2VM4PJ3gI61r1YEk/gAj6zAHN3AdZt6S9Ww=
golang.org/x/net v0.39.0 h1:ZCu7HMWDxpXpaiKdhzIfaltL9Lp31x/3fCP11bc6/fY=
golang.org/x/net v0.39.0/go.mod h1:X7NRbYVEA+ewNkCNyJ513WmMdQ3BineSwVtN2zD/d+E=
golang.org/x/oauth2 v0.28.0 h1:CrgCKl8PPAVtLnU3c+EDw6x11699EWlsDeWNWKdIOkc=
golang.org/x/oauth2 v0.28.0/go.mod h1:onh5ek6nERTohokkhCD/y2cV4Do3fxFHFuAejCkRWT8=
golang.org/x/sync v0.13.0 h1:AauUjRAJ9OSnvULf/ARrrVywoJDy0YS2AwQ98I37610=
golang.org/x/sync v0.13.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
golang.org/x/sys v0.32.0 h1:s77OFDvIQeibCmezSnk/q6iAfkdiQaJi4VzroCFrN20=
@@ -70,7 +105,15 @@ golang.org/x/time v0.11.0 h1:/bpjEDfN9tkoN/ryeYHnv5hcMlc8ncjMcM4XBk5NWV0=
golang.org/x/time v0.11.0/go.mod h1:CDIdPxbZBQxdj6cxyCIdrNogrJKMJ7pr37NYpMcMDSg=
golang.org/x/tools v0.32.0 h1:Q7N1vhpkQv7ybVzLFtTjvQya2ewbwNDZzUgfXGqtMWU=
golang.org/x/tools v0.32.0/go.mod h1:ZxrU41P/wAbZD8EDa6dDCa6XfpkhJ7HFMjHJXfBDu8s=
google.golang.org/protobuf v1.36.5 h1:tPhr+woSbjfYvY6/GPufUoYizxw1cF/yFoxJ2fmpwlM=
google.golang.org/protobuf v1.36.5/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
google.golang.org/api v0.228.0 h1:X2DJ/uoWGnY5obVjewbp8icSL5U4FzuCfy9OjbLSnLs=
google.golang.org/api v0.228.0/go.mod h1:wNvRS1Pbe8r4+IfBIniV8fwCpGwTrYa+kMUDiC5z5a4=
google.golang.org/genproto/googleapis/api v0.0.0-20250311190419-81fb87f6b8bf h1:BdIVRm+fyDUn8lrZLPSlBCfM/YKDwUBYgDoLv9+DYo0=
google.golang.org/genproto/googleapis/api v0.0.0-20250311190419-81fb87f6b8bf/go.mod h1:jbe3Bkdp+Dh2IrslsFCklNhweNTBgSYanP1UXhJDhKg=
google.golang.org/genproto/googleapis/rpc v0.0.0-20250313205543-e70fdf4c4cb4 h1:iK2jbkWL86DXjEx0qiHcRE9dE4/Ahua5k6V8OWFb//c=
google.golang.org/genproto/googleapis/rpc v0.0.0-20250313205543-e70fdf4c4cb4/go.mod h1:LuRYeWDFV6WOn90g357N17oMCaxpgCnbi/44qJvDn2I=
google.golang.org/grpc v1.71.0 h1:kF77BGdPTQ4/JZWMlb9VpJ5pa25aqvVqogsxNHHdeBg=
google.golang.org/grpc v1.71.0/go.mod h1:H0GRtasmQOh9LkFoCPDu3ZrwUtD1YGE+b2vYBYd/8Ec=
google.golang.org/protobuf v1.36.6 h1:z1NpPI8ku2WgiWnf+t9wTPsn6eP1L7ksHUlkfLvd9xY=
google.golang.org/protobuf v1.36.6/go.mod h1:jduwjTPXsFjZGTmRluh+L6NjiWu7pchiJ2/5YcXBHnY=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

50
main.go
View File

@@ -12,6 +12,7 @@ import (
"net/http"
"net/url"
"os"
"strings"
"time"
tls "github.com/refraction-networking/utls"
@@ -67,7 +68,7 @@ type CLIArgs struct {
initRetries int
initRetryInterval time.Duration
hideSNI bool
userAgent string
userAgent *string
}
func parse_args() CLIArgs {
@@ -99,7 +100,12 @@ func parse_args() CLIArgs {
"Format: <http|https|socks5|socks5h>://[login:password@]host[:port] "+
"Examples: http://user:password@192.168.1.1:3128, socks5://10.0.0.1:1080")
flag.StringVar(&args.caFile, "cafile", "", "use custom CA certificate bundle file")
flag.StringVar(&args.userAgent, "user-agent", GetUserAgent(), "value of User-Agent header in requests")
flag.Func("user-agent",
"value of User-Agent header in requests. Default: User-Agent of latest stable Chrome for Windows",
func(s string) error {
args.userAgent = &s
return nil
})
flag.BoolVar(&args.hideSNI, "hide-SNI", true, "hide SNI in TLS sessions with proxy server")
flag.Parse()
if args.country == "" {
@@ -182,8 +188,6 @@ func run() int {
UpdateHolaDialer(dialer)
}
SetUserAgent(args.userAgent)
try := retryPolicy(args.initRetries, args.initRetryInterval, mainLogger)
if args.list_countries {
@@ -191,16 +195,48 @@ func run() int {
}
mainLogger.Info("hola-proxy client version %s is starting...", version)
var userAgent string
if args.userAgent == nil {
err := try("get latest version of Chrome browser", func() error {
ctx, cl := context.WithTimeout(context.Background(), args.timeout)
defer cl()
ver, err := GetChromeVer(ctx, dialer)
if err != nil {
return err
}
mainLogger.Info("latest Chrome version is %q", ver)
majorVer, _, _ := strings.Cut(ver, ".")
userAgent = fmt.Sprintf(
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/%s.0.0.0 Safari/537.36",
majorVer)
mainLogger.Info("discovered latest Chrome User-Agent: %q", userAgent)
return err
})
if err != nil {
mainLogger.Critical("Can't detect latest Chrome version. "+
"Try to specify proper user agent with -user-agent parameter. Error: %v",
err)
return 8
}
} else {
userAgent = *args.userAgent
}
SetUserAgent(userAgent)
if args.extVer == "" {
err := try("get latest version of browser extension", func() error {
ctx, cl := context.WithTimeout(context.Background(), args.timeout)
defer cl()
extVer, err := GetExtVer(ctx, nil, HolaExtStoreID, dialer)
args.extVer = extVer
if err == nil {
mainLogger.Info("discovered latest browser extension version: %s", extVer)
args.extVer = extVer
}
return err
})
if err != nil {
mainLogger.Critical("Can't detect latest API version. Try to specify -ext-ver parameter. Error: %v", err)
mainLogger.Critical("Can't detect latest browser extension version. Try to specify -ext-ver parameter. Error: %v", err)
return 8
}
mainLogger.Warning("Detected latest extension version: %q. Pass -ext-ver parameter to skip resolve and speedup startup", args.extVer)
@@ -218,7 +254,7 @@ func run() int {
}
var (
auth AuthProvider
auth AuthProvider
tunnels *ZGetTunnelsResponse
)
err = try("run credentials service", func() error {