Sanitize logs for mirror sync (#3057, #3082) (#3078)

* Sanitize logs for mirror sync

* Fix error message sanitiziation (#3082)
This commit is contained in:
Ethan Koenig 2017-12-08 07:12:47 -08:00 committed by Lauris BH
parent 8f7054a864
commit ec6718ef40
5 changed files with 105 additions and 34 deletions

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@ -605,9 +605,14 @@ func (repo *Repository) RepoPath() string {
return repo.repoPath(x)
}
// GitConfigPath returns the path to a repository's git config/ directory
func GitConfigPath(repoPath string) string {
return filepath.Join(repoPath, "config")
}
// GitConfigPath returns the repository git config path
func (repo *Repository) GitConfigPath() string {
return filepath.Join(repo.RepoPath(), "config")
return GitConfigPath(repo.RepoPath())
}
// RelLink returns the repository relative link

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@ -6,18 +6,18 @@ package models
import (
"fmt"
"strings"
"time"
"github.com/Unknwon/com"
"github.com/go-xorm/xorm"
"gopkg.in/ini.v1"
"code.gitea.io/git"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/process"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/sync"
"code.gitea.io/gitea/modules/util"
"github.com/Unknwon/com"
"github.com/go-xorm/xorm"
"gopkg.in/ini.v1"
)
// MirrorQueue holds an UniqueQueue object of the mirror
@ -76,41 +76,41 @@ func (m *Mirror) ScheduleNextUpdate() {
m.NextUpdate = time.Now().Add(m.Interval)
}
func remoteAddress(repoPath string) (string, error) {
cfg, err := ini.Load(GitConfigPath(repoPath))
if err != nil {
return "", err
}
return cfg.Section("remote \"origin\"").Key("url").Value(), nil
}
func (m *Mirror) readAddress() {
if len(m.address) > 0 {
return
}
cfg, err := ini.Load(m.Repo.GitConfigPath())
var err error
m.address, err = remoteAddress(m.Repo.RepoPath())
if err != nil {
log.Error(4, "Load: %v", err)
return
log.Error(4, "remoteAddress: %v", err)
}
m.address = cfg.Section("remote \"origin\"").Key("url").Value()
}
// HandleCloneUserCredentials replaces user credentials from HTTP/HTTPS URL
// with placeholder <credentials>.
// It will fail for any other forms of clone addresses.
func HandleCloneUserCredentials(url string, mosaics bool) string {
i := strings.Index(url, "@")
if i == -1 {
return url
// sanitizeOutput sanitizes output of a command, replacing occurrences of the
// repository's remote address with a sanitized version.
func sanitizeOutput(output, repoPath string) (string, error) {
remoteAddr, err := remoteAddress(repoPath)
if err != nil {
// if we're unable to load the remote address, then we're unable to
// sanitize.
return "", err
}
start := strings.Index(url, "://")
if start == -1 {
return url
}
if mosaics {
return url[:start+3] + "<credentials>" + url[i:]
}
return url[:start+3] + url[i+1:]
return util.SanitizeMessage(output, remoteAddr), nil
}
// Address returns mirror address from Git repository config without credentials.
func (m *Mirror) Address() string {
m.readAddress()
return HandleCloneUserCredentials(m.address, false)
return util.SanitizeURLCredentials(m.address, false)
}
// FullAddress returns mirror address from Git repository config.
@ -145,7 +145,14 @@ func (m *Mirror) runSync() bool {
if _, stderr, err := process.GetManager().ExecDir(
timeout, repoPath, fmt.Sprintf("Mirror.runSync: %s", repoPath),
"git", gitArgs...); err != nil {
desc := fmt.Sprintf("Failed to update mirror repository '%s': %s", repoPath, stderr)
// sanitize the output, since it may contain the remote address, which may
// contain a password
message, err := sanitizeOutput(stderr, repoPath)
if err != nil {
log.Error(4, "sanitizeOutput: %v", err)
return false
}
desc := fmt.Sprintf("Failed to update mirror repository '%s': %s", repoPath, message)
log.Error(4, desc)
if err = CreateRepositoryNotice(desc); err != nil {
log.Error(4, "CreateRepositoryNotice: %v", err)
@ -170,7 +177,14 @@ func (m *Mirror) runSync() bool {
if _, stderr, err := process.GetManager().ExecDir(
timeout, wikiPath, fmt.Sprintf("Mirror.runSync: %s", wikiPath),
"git", "remote", "update", "--prune"); err != nil {
desc := fmt.Sprintf("Failed to update mirror wiki repository '%s': %s", wikiPath, stderr)
// sanitize the output, since it may contain the remote address, which may
// contain a password
message, err := sanitizeOutput(stderr, wikiPath)
if err != nil {
log.Error(4, "sanitizeOutput: %v", err)
return false
}
desc := fmt.Sprintf("Failed to update mirror wiki repository '%s': %s", wikiPath, message)
log.Error(4, desc)
if err = CreateRepositoryNotice(desc); err != nil {
log.Error(4, "CreateRepositoryNotice: %v", err)

48
modules/util/sanitize.go Normal file
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@ -0,0 +1,48 @@
// Copyright 2017 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package util
import (
"net/url"
"strings"
)
// urlSafeError wraps an error whose message may contain a sensitive URL
type urlSafeError struct {
err error
unsanitizedURL string
}
func (err urlSafeError) Error() string {
return SanitizeMessage(err.err.Error(), err.unsanitizedURL)
}
// URLSanitizedError returns the sanitized version an error whose message may
// contain a sensitive URL
func URLSanitizedError(err error, unsanitizedURL string) error {
return urlSafeError{err: err, unsanitizedURL: unsanitizedURL}
}
// SanitizeMessage sanitizes a message which may contains a sensitive URL
func SanitizeMessage(message, unsanitizedURL string) string {
sanitizedURL := SanitizeURLCredentials(unsanitizedURL, true)
return strings.Replace(message, unsanitizedURL, sanitizedURL, -1)
}
// SanitizeURLCredentials sanitizes a url, either removing user credentials
// or replacing them with a placeholder.
func SanitizeURLCredentials(unsanitizedURL string, usePlaceholder bool) string {
u, err := url.Parse(unsanitizedURL)
if err != nil {
// don't log the error, since it might contain unsanitized URL.
return "(unparsable url)"
}
if u.User != nil && usePlaceholder {
u.User = url.User("<credentials>")
} else {
u.User = nil
}
return u.String()
}

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@ -9,8 +9,6 @@ import (
"net/http"
"strings"
api "code.gitea.io/sdk/gitea"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/auth"
"code.gitea.io/gitea/modules/context"
@ -18,6 +16,7 @@ import (
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/util"
"code.gitea.io/gitea/routers/api/v1/convert"
api "code.gitea.io/sdk/gitea"
)
// Search repositories via options
@ -322,12 +321,13 @@ func Migrate(ctx *context.APIContext, form auth.MigrateRepoForm) {
RemoteAddr: remoteAddr,
})
if err != nil {
err = util.URLSanitizedError(err, remoteAddr)
if repo != nil {
if errDelete := models.DeleteRepository(ctx.User, ctxUser.ID, repo.ID); errDelete != nil {
log.Error(4, "DeleteRepository: %v", errDelete)
}
}
ctx.Error(500, "MigrateRepository", models.HandleCloneUserCredentials(err.Error(), true))
ctx.Error(500, "MigrateRepository", err)
return
}

View File

@ -20,6 +20,7 @@ import (
"code.gitea.io/gitea/modules/context"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/util"
)
const (
@ -232,6 +233,9 @@ func MigratePost(ctx *context.Context, form auth.MigrateRepoForm) {
return
}
// remoteAddr may contain credentials, so we sanitize it
err = util.URLSanitizedError(err, remoteAddr)
if repo != nil {
if errDelete := models.DeleteRepository(ctx.User, ctxUser.ID, repo.ID); errDelete != nil {
log.Error(4, "DeleteRepository: %v", errDelete)
@ -241,11 +245,11 @@ func MigratePost(ctx *context.Context, form auth.MigrateRepoForm) {
if strings.Contains(err.Error(), "Authentication failed") ||
strings.Contains(err.Error(), "could not read Username") {
ctx.Data["Err_Auth"] = true
ctx.RenderWithErr(ctx.Tr("form.auth_failed", models.HandleCloneUserCredentials(err.Error(), true)), tplMigrate, &form)
ctx.RenderWithErr(ctx.Tr("form.auth_failed", err.Error()), tplMigrate, &form)
return
} else if strings.Contains(err.Error(), "fatal:") {
ctx.Data["Err_CloneAddr"] = true
ctx.RenderWithErr(ctx.Tr("repo.migrate.failed", models.HandleCloneUserCredentials(err.Error(), true)), tplMigrate, &form)
ctx.RenderWithErr(ctx.Tr("repo.migrate.failed", err.Error()), tplMigrate, &form)
return
}