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More server-side logging + client-side logging

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This commit is contained in:
David Dworken 2022-04-16 00:44:47 -07:00
parent bdfb7c0a75
commit c369661e53
5 changed files with 120 additions and 56 deletions
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44
backend/server/server.go
View File

@ -38,7 +38,6 @@ func apiESubmitHandler(w http.ResponseWriter, r *http.Request) {
if err != nil {
panic(fmt.Sprintf("body=%#v, err=%v", data, err))
}
GLOBAL_DB.Where("user_id = ?")
fmt.Printf("apiESubmitHandler: received request containg %d EncHistoryEntry\n", len(entries))
for _, entry := range entries {
tx := GLOBAL_DB.Where("user_id = ?", entry.UserId)
@ -205,18 +204,55 @@ func attestationDownloadHandler(w http.ResponseWriter, r *http.Request) {
http.Redirect(w, r, fmt.Sprintf("https://github.com/ddworken/hishtory/releases/download/%s/hishtory-linux-amd64.intoto.jsonl", ReleaseVersion), http.StatusFound)
}
func withLogging(h func(rw http.ResponseWriter, r *http.Request)) http.Handler {
type loggedResponseData struct {
size int
}
type loggingResponseWriter struct {
http.ResponseWriter
responseData *loggedResponseData
}
func (r *loggingResponseWriter) Write(b []byte) (int, error) {
size, err := r.ResponseWriter.Write(b)
r.responseData.size += size
return size, err
}
func (r *loggingResponseWriter) WriteHeader(statusCode int) {
r.ResponseWriter.WriteHeader(statusCode)
}
func withLogging(h func(http.ResponseWriter, *http.Request)) http.Handler {
logFn := func(rw http.ResponseWriter, r *http.Request) {
var responseData loggedResponseData
lrw := loggingResponseWriter{
ResponseWriter: rw,
responseData: &responseData,
}
start := time.Now()
h(rw, r)
h(&lrw, r)
duration := time.Since(start)
fmt.Printf("%s %s %#v %s\n", r.RemoteAddr, r.Method, r.RequestURI, duration.String())
fmt.Printf("%s %s %#v %s %s\n", r.RemoteAddr, r.Method, r.RequestURI, duration.String(), byteCountToString(responseData.size))
}
return http.HandlerFunc(logFn)
}
func byteCountToString(b int) string {
const unit = 1000
if b < unit {
return fmt.Sprintf("%d B", b)
}
div, exp := int64(unit), 0
for n := b / unit; n >= unit; n /= unit {
div *= unit
exp++
}
return fmt.Sprintf("%.1f %cB", float64(b)/float64(div), "kMG"[exp])
}
func main() {
fmt.Println("Listening on localhost:8080")
http.Handle("/api/v1/esubmit", withLogging(apiESubmitHandler))

6
client/client_test.go
View File

@ -188,7 +188,7 @@ func testIntegration(t *testing.T) string {
// Test the banner
os.Setenv("FORCED_BANNER", "HELLO_FROM_SERVER")
out = hishtoryQuery(t, "")
if !strings.Contains(out, "HELLO_FROM_SERVER") {
if !strings.Contains(out, "HELLO_FROM_SERVER\nHostname") {
t.Fatalf("hishtory query didn't show the banner message! out=%#v", out)
}
os.Setenv("FORCED_BANNER", "")
@ -546,8 +546,8 @@ hishtory enable`, i))
out := RunInteractiveBashCommands(t, "hishtory export")
expectedOutput := "set -emo pipefail\necho mycommand-0\nhishtory enable\nset -emo pipefail\nhishtory query mycommand-0\nset -emo pipefail\nhishtory query\nset -emo pipefail\necho mycommand-1\nhishtory enable\nset -emo pipefail\nhishtory query mycommand-1\nset -emo pipefail\nhishtory query\nset -emo pipefail\necho mycommand-2\nhishtory enable\nset -emo pipefail\nhishtory query mycommand-2\nset -emo pipefail\nhishtory query\nset -emo pipefail\necho mycommand-3\nhishtory enable\nset -emo pipefail\nhishtory query mycommand-3\nset -emo pipefail\nhishtory query\nset -emo pipefail\necho mycommand-4\nhishtory enable\nset -emo pipefail\nhishtory query mycommand-4\nset -emo pipefail\nhishtory query\nset -emo pipefail\necho mycommand-5\nhishtory enable\nset -emo pipefail\nhishtory query mycommand-5\nset -emo pipefail\nhishtory query\nset -emo pipefail\necho mycommand-6\nhishtory enable\nset -emo pipefail\nhishtory query mycommand-6\nset -emo pipefail\nhishtory query\nset -emo pipefail\necho mycommand-7\nhishtory enable\nset -emo pipefail\nhishtory query mycommand-7\nset -emo pipefail\nhishtory query\nset -emo pipefail\necho mycommand-8\nhishtory enable\nset -emo pipefail\nhishtory query mycommand-8\nset -emo pipefail\nhishtory query\nset -emo pipefail\necho mycommand-9\nhishtory enable\nset -emo pipefail\nhishtory query mycommand-9\nset -emo pipefail\nhishtory query\nset -emo pipefail\necho mycommand-10\nhishtory enable\nset -emo pipefail\nhishtory query mycommand-10\nset -emo pipefail\nhishtory query\nset -emo pipefail\necho mycommand-11\nhishtory enable\nset -emo pipefail\nhishtory query mycommand-11\nset -emo pipefail\nhishtory query\nset -emo pipefail\necho mycommand-12\nhishtory enable\nset -emo pipefail\nhishtory query mycommand-12\nset -emo pipefail\nhishtory query\nset -emo pipefail\necho mycommand-13\nhishtory enable\nset -emo pipefail\nhishtory query mycommand-13\nset -emo pipefail\nhishtory query\nset -emo pipefail\necho mycommand-14\nhishtory enable\nset -emo pipefail\nhishtory query mycommand-14\nset -emo pipefail\nhishtory query\nset -emo pipefail\necho mycommand-15\nhishtory enable\nset -emo pipefail\nhishtory query mycommand-15\nset -emo pipefail\nhishtory query\nset -emo pipefail\necho mycommand-16\nhishtory enable\nset -emo pipefail\nhishtory query mycommand-16\nset -emo pipefail\nhishtory query\nset -emo pipefail\necho mycommand-17\nhishtory enable\nset -emo pipefail\nhishtory query mycommand-17\nset -emo pipefail\nhishtory query\nset -emo pipefail\necho mycommand-18\nhishtory enable\nset -emo pipefail\nhishtory query mycommand-18\nset -emo pipefail\nhishtory query\nset -emo pipefail\necho mycommand-19\nhishtory enable\nset -emo pipefail\nhishtory query mycommand-19\nset -emo pipefail\nhishtory query\nset -emo pipefail\necho mycommand-20\nhishtory enable\nset -emo pipefail\nhishtory query mycommand-20\nset -emo pipefail\nhishtory query\nset -emo pipefail\necho mycommand-21\nhishtory enable\nset -emo pipefail\nhishtory query mycommand-21\nset -emo pipefail\nhishtory query\nset -emo pipefail\necho mycommand-22\nhishtory enable\nset -emo pipefail\nhishtory query mycommand-22\nset -emo pipefail\nhishtory query\nset -emo pipefail\necho mycommand-23\nhishtory enable\nset -emo pipefail\nhishtory query mycommand-23\nset -emo pipefail\nhishtory query\nset -emo pipefail\necho mycommand-24\nhishtory enable\nset -emo pipefail\nhishtory query mycommand-24\nset -emo pipefail\nhishtory query\nset -emo pipefail\n"
if out != expectedOutput {
t.Fatalf("hishtory export has unexpected output=%#v", out)
if diff := cmp.Diff(expectedOutput, out); diff != "" {
t.Fatalf("hishtory export mismatch (-expected +got):\n%s\nout=%#v", diff, out)
}
}

87
client/lib/lib.go
View File

@ -16,6 +16,7 @@ import (
"runtime"
"strconv"
"strings"
"sync"
"syscall"
"time"
@ -172,26 +173,15 @@ func Setup(args []string) error {
db.Exec("DELETE FROM history_entries")
// Bootstrap from remote date
resp, err := http.Get(GetServerHostname() + "/api/v1/eregister?user_id=" + data.UserId(userSecret) + "&device_id=" + config.DeviceId)
_, err = ApiGet("/api/v1/eregister?user_id=" + data.UserId(userSecret) + "&device_id=" + config.DeviceId)
if err != nil {
return fmt.Errorf("failed to register device with backend: %v", err)
}
if resp.StatusCode != 200 {
return fmt.Errorf("failed to register device with backend, status_code=%d", resp.StatusCode)
}
resp, err = http.Get(GetServerHostname() + "/api/v1/ebootstrap?user_id=" + data.UserId(userSecret) + "&device_id=" + config.DeviceId)
respBody, err := ApiGet("/api/v1/ebootstrap?user_id=" + data.UserId(userSecret) + "&device_id=" + config.DeviceId)
if err != nil {
return fmt.Errorf("failed to bootstrap device from the backend: %v", err)
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
return fmt.Errorf("failed to bootstrap device with data from existing devices, status_code=%d", resp.StatusCode)
}
respBody, err := ioutil.ReadAll(resp.Body)
if err != nil {
return fmt.Errorf("failed to read bootstrap response body: %v", err)
}
var retrievedEntries []*shared.EncHistoryEntry
err = json.Unmarshal(respBody, &retrievedEntries)
if err != nil {
@ -457,13 +447,34 @@ func Update(url string) error {
return nil
}
func GetServerHostname() string {
func getServerHostname() string {
if server := os.Getenv("HISHTORY_SERVER"); server != "" {
return server
}
return "https://api.hishtory.dev"
}
var (
hishtoryLogger *log.Logger
getLoggerOnce sync.Once
)
func getLogger() *log.Logger {
getLoggerOnce.Do(func() {
homedir, err := os.UserHomeDir()
if err != nil {
panic(fmt.Errorf("failed to get user's home directory: %v", err))
}
f, err := os.OpenFile(path.Join(homedir, shared.HISHTORY_PATH, "hishtory.log"), os.O_RDWR|os.O_CREATE|os.O_APPEND, 0o660)
if err != nil {
panic(fmt.Errorf("failed to open hishtory.log: %v", err))
}
// Purposefully not closing the file. Yes, this is a dangling file handle. But hishtory is short lived so this is okay.
hishtoryLogger = log.New(f, "\n", log.LstdFlags|log.Lshortfile)
})
return hishtoryLogger
}
func OpenLocalSqliteDb() (*gorm.DB, error) {
homedir, err := os.UserHomeDir()
if err != nil {
@ -473,13 +484,13 @@ func OpenLocalSqliteDb() (*gorm.DB, error) {
if err != nil {
return nil, fmt.Errorf("failed to create ~/.hishtory dir: %v", err)
}
hishtoryLogger := getLogger()
newLogger := logger.New(
// TODO: change this back to warn, but have it go to a file?
log.New(os.Stdout, "\n", log.LstdFlags),
hishtoryLogger,
logger.Config{
SlowThreshold: 200 * time.Millisecond,
LogLevel: logger.Silent,
IgnoreRecordNotFoundError: true,
SlowThreshold: 100 * time.Millisecond,
LogLevel: logger.Warn,
IgnoreRecordNotFoundError: false,
Colorful: false,
},
)
@ -498,3 +509,41 @@ func OpenLocalSqliteDb() (*gorm.DB, error) {
db.AutoMigrate(&data.HistoryEntry{})
return db, nil
}
func ApiGet(path string) ([]byte, error) {
start := time.Now()
resp, err := http.Get(getServerHostname() + path)
if err != nil {
return nil, fmt.Errorf("failed to GET %s: %v", path, err)
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
return nil, fmt.Errorf("failed to GET %s: status_code=%d", path, resp.StatusCode)
}
respBody, err := ioutil.ReadAll(resp.Body)
if err != nil {
return nil, fmt.Errorf("failed to read response body from GET %s: %v", path, err)
}
duration := time.Since(start)
getLogger().Printf("ApiGet(%#v): %s\n", path, duration.String())
return respBody, nil
}
func ApiPost(path, contentType string, data []byte) ([]byte, error) {
start := time.Now()
resp, err := http.Post(getServerHostname()+path, contentType, bytes.NewBuffer(data))
if err != nil {
return nil, fmt.Errorf("failed to POST %s: %v", path, err)
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
return nil, fmt.Errorf("failed to POST %s: status_code=%d", path, resp.StatusCode)
}
respBody, err := ioutil.ReadAll(resp.Body)
if err != nil {
return nil, fmt.Errorf("failed to read response body from POST %s: %v", path, err)
}
duration := time.Since(start)
getLogger().Printf("ApiPost(%#v): %s\n", path, duration.String())
return respBody, nil
}

37
hishtory.go
View File

@ -1,12 +1,9 @@
package main
import (
"bytes"
"encoding/json"
"fmt"
"io/ioutil"
"log"
"net/http"
"os"
"strings"
@ -66,17 +63,9 @@ func retrieveAdditionalEntriesFromRemote(db *gorm.DB) error {
if err != nil {
return err
}
resp, err := http.Get(lib.GetServerHostname() + "/api/v1/equery?device_id=" + config.DeviceId)
respBody, err := lib.ApiGet("/api/v1/equery?device_id=" + config.DeviceId)
if err != nil {
return fmt.Errorf("failed to pull latest history entries from the backend: %v", err)
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
return fmt.Errorf("failed to retrieve data from backend, status_code=%d", resp.StatusCode)
}
respBody, err := ioutil.ReadAll(resp.Body)
if err != nil {
return fmt.Errorf("failed to read latest history entries response body: %v", err)
return err
}
var retrievedEntries []*shared.EncHistoryEntry
err = json.Unmarshal(respBody, &retrievedEntries)
@ -108,20 +97,13 @@ func displayBannerIfSet() error {
if err != nil {
return fmt.Errorf("failed to get config: %v", err)
}
url := lib.GetServerHostname() + "/api/v1/banner?commit_hash=" + GitCommit + "&device_id=" + config.DeviceId + "&forced_banner=" + os.Getenv("FORCED_BANNER")
resp, err := http.Get(url)
url := "/api/v1/banner?commit_hash=" + GitCommit + "&device_id=" + config.DeviceId + "&forced_banner=" + os.Getenv("FORCED_BANNER")
respBody, err := lib.ApiGet(url)
if err != nil {
return fmt.Errorf("failed to call /api/v1/banner: %v", err)
return err
}
if resp.StatusCode != 200 {
return fmt.Errorf("failed to call %s, status_code=%d", url, resp.StatusCode)
}
data, err := ioutil.ReadAll(resp.Body)
if err != nil {
return fmt.Errorf("failed to read /api/v1/banner response body: %v", err)
}
if len(data) > 0 {
fmt.Print(string(data))
if len(respBody) > 0 {
fmt.Println(string(respBody))
}
return nil
}
@ -151,11 +133,8 @@ func saveHistoryEntry() {
lib.CheckFatalError(err)
jsonValue, err := json.Marshal([]shared.EncHistoryEntry{encEntry})
lib.CheckFatalError(err)
resp, err := http.Post(lib.GetServerHostname()+"/api/v1/esubmit", "application/json", bytes.NewBuffer(jsonValue))
_, err = lib.ApiPost("/api/v1/esubmit", "application/json", jsonValue)
lib.CheckFatalError(err)
if resp.StatusCode != 200 {
lib.CheckFatalError(fmt.Errorf("failed to submit result to backend, status_code=%d", resp.StatusCode))
}
}
func export() {

2
shared/testutils.go
View File

@ -99,7 +99,7 @@ func RunTestServer() func() {
if strings.Contains(stderr.String()+stdout.String(), "failed to") {
panic(fmt.Sprintf("server failed to do something: stderr=%#v, stdout=%#v", stderr.String(), stdout.String()))
}
fmt.Printf("stderr=%#v, stdout=%#v\n", stderr.String(), stdout.String())
// fmt.Printf("stderr=%#v, stdout=%#v\n", stderr.String(), stdout.String())
}
}