/
request_logger_file_writer.go
146 lines (125 loc) · 3.73 KB
/
request_logger_file_writer.go
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package ui
import (
"fmt"
"os"
"path/filepath"
"regexp"
"sync"
"time"
)
type RequestLoggerFileWriter struct {
ui *UI
lock *sync.Mutex
filePaths []string
logFiles []*os.File
dumpSanitizer *regexp.Regexp
}
func newRequestLoggerFileWriter(ui *UI, lock *sync.Mutex, filePaths []string) *RequestLoggerFileWriter {
return &RequestLoggerFileWriter{
ui: ui,
lock: lock,
filePaths: filePaths,
logFiles: []*os.File{},
dumpSanitizer: regexp.MustCompile(tokenRegexp),
}
}
func (display *RequestLoggerFileWriter) DisplayBody([]byte) error {
for _, logFile := range display.logFiles {
_, err := logFile.WriteString(RedactedValue)
if err != nil {
return err
}
}
return nil
}
func (display *RequestLoggerFileWriter) DisplayDump(dump string) error {
sanitized := display.dumpSanitizer.ReplaceAllString(dump, RedactedValue)
cookieCutter := regexp.MustCompile("Set-Cookie:.*")
sanitized = cookieCutter.ReplaceAllString(sanitized, "Set-Cookie: "+RedactedValue)
for _, logFile := range display.logFiles {
_, err := logFile.WriteString(sanitized)
if err != nil {
return err
}
}
return nil
}
func (display *RequestLoggerFileWriter) DisplayHeader(name string, value string) error {
return display.DisplayMessage(fmt.Sprintf("%s: %s", name, value))
}
func (display *RequestLoggerFileWriter) DisplayHost(name string) error {
return display.DisplayMessage(fmt.Sprintf("Host: %s", name))
}
func (display *RequestLoggerFileWriter) DisplayJSONBody(body []byte) error {
if len(body) == 0 {
return nil
}
sanitized, err := SanitizeJSON(body)
if err != nil {
return display.DisplayMessage(string(body))
}
for _, logFile := range display.logFiles {
_, err = logFile.Write(sanitized)
if err != nil {
return err
}
}
return nil
}
func (display *RequestLoggerFileWriter) DisplayMessage(msg string) error {
for _, logFile := range display.logFiles {
_, err := logFile.WriteString(fmt.Sprintf("%s\n", msg))
if err != nil {
return err
}
}
return nil
}
func (display *RequestLoggerFileWriter) DisplayRequestHeader(method string, uri string, httpProtocol string) error {
return display.DisplayMessage(fmt.Sprintf("%s %s %s", method, uri, httpProtocol))
}
func (display *RequestLoggerFileWriter) DisplayResponseHeader(httpProtocol string, status string) error {
return display.DisplayMessage(fmt.Sprintf("%s %s", httpProtocol, status))
}
func (display *RequestLoggerFileWriter) DisplayType(name string, requestDate time.Time) error {
return display.DisplayMessage(fmt.Sprintf("%s: [%s]", name, requestDate.Format(time.RFC3339)))
}
func (display *RequestLoggerFileWriter) HandleInternalError(err error) {
display.ui.DisplayWarning(err.Error())
}
func (display *RequestLoggerFileWriter) Start() error {
display.lock.Lock()
for _, filePath := range display.filePaths {
err := os.MkdirAll(filepath.Dir(filePath), os.ModeDir|os.ModePerm)
if err != nil {
return err
}
logFile, err := os.OpenFile(filePath, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0600)
if err != nil {
return err
}
display.logFiles = append(display.logFiles, logFile)
}
return nil
}
func (display *RequestLoggerFileWriter) Stop() error {
var err error
for _, logFile := range display.logFiles {
_, lastLineErr := logFile.WriteString("\n")
closeErr := logFile.Close()
switch {
case closeErr != nil:
err = closeErr
case lastLineErr != nil:
err = lastLineErr
}
}
display.logFiles = []*os.File{}
display.lock.Unlock()
return err
}
// RequestLoggerFileWriter returns a RequestLoggerFileWriter that cannot
// overwrite another RequestLoggerFileWriter.
func (ui *UI) RequestLoggerFileWriter(filePaths []string) *RequestLoggerFileWriter {
return newRequestLoggerFileWriter(ui, ui.fileLock, filePaths)
}