mirror of
https://github.com/octoleo/syncthing.git
synced 2024-11-17 10:35:11 +00:00
4b750b6dc3
As of Go 1.16 io/ioutil is deprecated. This replaces usage with the corresponding functions in package os and package io.
58 lines
1.5 KiB
Go
58 lines
1.5 KiB
Go
// Copyright (C) 2021 The Syncthing Authors.
|
|
//
|
|
// This Source Code Form is subject to the terms of the Mozilla Public
|
|
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
|
|
// You can obtain one at https://mozilla.org/MPL/2.0/.
|
|
|
|
package main
|
|
|
|
import (
|
|
"bytes"
|
|
"compress/gzip"
|
|
"fmt"
|
|
"net"
|
|
"net/http"
|
|
"os"
|
|
"path/filepath"
|
|
"time"
|
|
|
|
"github.com/syncthing/syncthing/lib/sha256"
|
|
)
|
|
|
|
// userIDFor returns a string we can use as the user ID for the purpose of
|
|
// counting affected users. It's the truncated hash of a salt, the user
|
|
// remote IP, and the current month.
|
|
func userIDFor(req *http.Request) string {
|
|
addr := req.RemoteAddr
|
|
if fwd := req.Header.Get("x-forwarded-for"); fwd != "" {
|
|
addr = fwd
|
|
}
|
|
if host, _, err := net.SplitHostPort(addr); err == nil {
|
|
addr = host
|
|
}
|
|
now := time.Now().Format("200601")
|
|
salt := "stcrashreporter"
|
|
hash := sha256.Sum256([]byte(salt + addr + now))
|
|
return fmt.Sprintf("%x", hash[:8])
|
|
}
|
|
|
|
// 01234567890abcdef... => 01/23
|
|
func dirFor(base string) string {
|
|
return filepath.Join(base[0:2], base[2:4])
|
|
}
|
|
|
|
func fullPathCompressed(root, reportID string) string {
|
|
return filepath.Join(root, dirFor(reportID), reportID) + ".gz"
|
|
}
|
|
|
|
func compressAndWrite(bs []byte, fullPath string) error {
|
|
// Compress the report for storage
|
|
buf := new(bytes.Buffer)
|
|
gw := gzip.NewWriter(buf)
|
|
_, _ = gw.Write(bs) // can't fail
|
|
gw.Close()
|
|
|
|
// Create an output file with the compressed report
|
|
return os.WriteFile(fullPath, buf.Bytes(), 0644)
|
|
}
|