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Multiple LFS improvements (#10667)

Browse Source 
* Add more logging in the LFS server

Adds more logging in the LFS server and stops sending internal server
error information to the client

* Add LFS Lock cursor implementation

* Simplify Claims in LFS and remove the float64 casts

Signed-off-by: Andrew Thornton <art27@cantab.net>

Co-authored-by: Lauris BH <lauris@nix.lv>
This commit is contained in:
zeripath 2020-03-09 19:56:18 +00:00 committed by GitHub
parent 3fc4f3670c
commit 9269b7f627
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
7 changed files with 165 additions and 52 deletions
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15
cmd/serv.go
View File

@ -18,6 +18,7 @@ import (
"time"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/lfs"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/pprof"
"code.gitea.io/gitea/modules/private"
@ -213,12 +214,14 @@ func runServ(c *cli.Context) error {
url := fmt.Sprintf("%s%s/%s.git/info/lfs", setting.AppURL, url.PathEscape(results.OwnerName), url.PathEscape(results.RepoName))
now := time.Now()
claims := jwt.MapClaims{
"repo": results.RepoID,
"op": lfsVerb,
"exp": now.Add(setting.LFS.HTTPAuthExpiry).Unix(),
"nbf": now.Unix(),
"user": results.UserID,
claims := lfs.Claims{
StandardClaims: jwt.StandardClaims{
ExpiresAt: now.Add(setting.LFS.HTTPAuthExpiry).Unix(),
NotBefore: now.Unix(),
},
RepoID: results.RepoID,
Op: lfsVerb,
UserID: results.UserID,
}
token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)

2
custom/conf/app.ini.sample
View File

@ -313,6 +313,8 @@ LFS_JWT_SECRET =
LFS_HTTP_AUTH_EXPIRY = 20m
; Maximum allowed LFS file size in bytes (Set to 0 for no limit).
LFS_MAX_FILE_SIZE = 0
; Maximum number of locks returned per page
LFS_LOCKS_PAGING_NUM = 50
; Allow graceful restarts using SIGHUP to fork
ALLOW_GRACEFUL_RESTARTS = true
; After a restart the parent will finish ongoing requests before

1
docs/content/doc/advanced/config-cheat-sheet.en-us.md
View File

@ -193,6 +193,7 @@ Values containing `#` or `;` must be quoted using `` ` `` or `"""`.
- `LFS_JWT_SECRET`: **\<empty\>**: LFS authentication secret, change this a unique string.
- `LFS_HTTP_AUTH_EXPIRY`: **20m**: LFS authentication validity period in time.Duration, pushes taking longer than this may fail.
- `LFS_MAX_FILE_SIZE`: **0**: Maximum allowed LFS file size in bytes (Set to 0 for no limit).
- `LFS_LOCK_PAGING_NUM`: **50**: Maximum number of LFS Locks returned per page.
- `REDIRECT_OTHER_PORT`: **false**: If true and `PROTOCOL` is https, allows redirecting http requests on `PORT_TO_REDIRECT` to the https port Gitea listens on.
- `PORT_TO_REDIRECT`: **80**: Port for the http redirection service to listen on. Used when `REDIRECT_OTHER_PORT` is true.
- `ENABLE_LETSENCRYPT`: **false**: If enabled you must set `DOMAIN` to valid internet facing domain (ensure DNS is set and port 80 is accessible by letsencrypt validation server).

16
modules/lfs/content_store.go
View File

@ -9,6 +9,7 @@ import (
"path/filepath"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/log"
)
var (
@ -28,10 +29,14 @@ func (s *ContentStore) Get(meta *models.LFSMetaObject, fromByte int64) (io.ReadC
f, err := os.Open(path)
if err != nil {
log.Error("Whilst trying to read LFS OID[%s]: Unable to open %s Error: %v", meta.Oid, path, err)
return nil, err
}
if fromByte > 0 {
_, err = f.Seek(fromByte, os.SEEK_CUR)
if err != nil {
log.Error("Whilst trying to read LFS OID[%s]: Unable to seek to %d Error: %v", meta.Oid, fromByte, err)
}
}
return f, err
}
@ -43,11 +48,13 @@ func (s *ContentStore) Put(meta *models.LFSMetaObject, r io.Reader) error {
dir := filepath.Dir(path)
if err := os.MkdirAll(dir, 0750); err != nil {
log.Error("Whilst putting LFS OID[%s]: Unable to create the LFS directory: %s Error: %v", meta.Oid, dir, err)
return err
}
file, err := os.OpenFile(tmpPath, os.O_CREATE|os.O_WRONLY|os.O_EXCL, 0640)
if err != nil {
log.Error("Whilst putting LFS OID[%s]: Unable to open temporary file for writing: %s Error: %v", tmpPath, err)
return err
}
defer os.Remove(tmpPath)
@ -57,6 +64,7 @@ func (s *ContentStore) Put(meta *models.LFSMetaObject, r io.Reader) error {
written, err := io.Copy(hw, r)
if err != nil {
log.Error("Whilst putting LFS OID[%s]: Failed to copy to tmpPath: %s Error: %v", meta.Oid, tmpPath, err)
file.Close()
return err
}
@ -71,7 +79,12 @@ func (s *ContentStore) Put(meta *models.LFSMetaObject, r io.Reader) error {
return errHashMismatch
}
return os.Rename(tmpPath, path)
if err := os.Rename(tmpPath, path); err != nil {
log.Error("Whilst putting LFS OID[%s]: Unable to move tmp file to final destination: %s Error: %v", meta.Oid, path, err)
return err
}
return nil
}
// Exists returns true if the object exists in the content store.
@ -91,6 +104,7 @@ func (s *ContentStore) Verify(meta *models.LFSMetaObject) (bool, error) {
if os.IsNotExist(err) || err == nil && fi.Size() != meta.Size {
return false, nil
} else if err != nil {
log.Error("Unable stat file: %s for LFS OID[%s] Error: %v", path, meta.Oid, err)
return false, err
}

71
modules/lfs/locks.go
View File

@ -19,10 +19,12 @@ import (
//checkIsValidRequest check if it a valid request in case of bad request it write the response to ctx.
func checkIsValidRequest(ctx *context.Context) bool {
if !setting.LFS.StartServer {
log.Debug("Attempt to access LFS server but LFS server is disabled")
writeStatus(ctx, 404)
return false
}
if !MetaMatcher(ctx.Req) {
log.Info("Attempt access LOCKs without accepting the correct media type: %s", metaMediaType)
writeStatus(ctx, 400)
return false
}
@ -47,7 +49,7 @@ func handleLockListOut(ctx *context.Context, repo *models.Repository, lock *mode
return
}
ctx.JSON(500, api.LFSLockError{
Message: "unable to list locks : " + err.Error(),
Message: "unable to list locks : Internal Server Error",
})
return
}
@ -65,6 +67,7 @@ func handleLockListOut(ctx *context.Context, repo *models.Repository, lock *mode
// GetListLockHandler list locks
func GetListLockHandler(ctx *context.Context) {
if !checkIsValidRequest(ctx) {
// Status is written in checkIsValidRequest
return
}
ctx.Resp.Header().Set("Content-Type", metaMediaType)
@ -87,7 +90,17 @@ func GetListLockHandler(ctx *context.Context) {
})
return
}
//TODO handle query cursor and limit
cursor := ctx.QueryInt("cursor")
if cursor < 0 {
cursor = 0
}
limit := ctx.QueryInt("limit")
if limit > setting.LFS.LocksPagingNum && setting.LFS.LocksPagingNum > 0 {
limit = setting.LFS.LocksPagingNum
} else if limit < 0 {
limit = 0
}
id := ctx.Query("id")
if id != "" { //Case where we request a specific id
v, err := strconv.ParseInt(id, 10, 64)
@ -98,6 +111,9 @@ func GetListLockHandler(ctx *context.Context) {
return
}
lock, err := models.GetLFSLockByID(v)
if err != nil && !models.IsErrLFSLockNotExist(err) {
log.Error("Unable to get lock with ID[%s]: Error: %v", v, err)
}
handleLockListOut(ctx, repository, lock, err)
return
}
@ -105,30 +121,40 @@ func GetListLockHandler(ctx *context.Context) {
path := ctx.Query("path")
if path != "" { //Case where we request a specific id
lock, err := models.GetLFSLock(repository, path)
if err != nil && !models.IsErrLFSLockNotExist(err) {
log.Error("Unable to get lock for repository %-v with path %s: Error: %v", repository, path, err)
}
handleLockListOut(ctx, repository, lock, err)
return
}
//If no query params path or id
lockList, err := models.GetLFSLockByRepoID(repository.ID, 0, 0)
lockList, err := models.GetLFSLockByRepoID(repository.ID, cursor, limit)
if err != nil {
log.Error("Unable to list locks for repository ID[%d]: Error: %v", repository.ID, err)
ctx.JSON(500, api.LFSLockError{
Message: "unable to list locks : " + err.Error(),
Message: "unable to list locks : Internal Server Error",
})
return
}
lockListAPI := make([]*api.LFSLock, len(lockList))
next := ""
for i, l := range lockList {
lockListAPI[i] = l.APIFormat()
}
if limit > 0 && len(lockList) == limit {
next = strconv.Itoa(cursor + 1)
}
ctx.JSON(200, api.LFSLockList{
Locks: lockListAPI,
Next: next,
})
}
// PostLockHandler create lock
func PostLockHandler(ctx *context.Context) {
if !checkIsValidRequest(ctx) {
// Status is written in checkIsValidRequest
return
}
ctx.Resp.Header().Set("Content-Type", metaMediaType)
@ -139,7 +165,7 @@ func PostLockHandler(ctx *context.Context) {
repository, err := models.GetRepositoryByOwnerAndName(userName, repoName)
if err != nil {
log.Debug("Could not find repository: %s/%s - %s", userName, repoName, err)
log.Error("Unable to get repository: %s/%s Error: %v", userName, repoName, err)
writeStatus(ctx, 404)
return
}
@ -159,6 +185,7 @@ func PostLockHandler(ctx *context.Context) {
defer bodyReader.Close()
dec := json.NewDecoder(bodyReader)
if err := dec.Decode(&req); err != nil {
log.Warn("Failed to decode lock request as json. Error: %v", err)
writeStatus(ctx, 400)
return
}
@ -183,8 +210,9 @@ func PostLockHandler(ctx *context.Context) {
})
return
}
log.Error("Unable to CreateLFSLock in repository %-v at %s for user %-v: Error: %v", repository, req.Path, ctx.User, err)
ctx.JSON(500, api.LFSLockError{
Message: "internal server error : " + err.Error(),
Message: "internal server error : Internal Server Error",
})
return
}
@ -194,6 +222,7 @@ func PostLockHandler(ctx *context.Context) {
// VerifyLockHandler list locks for verification
func VerifyLockHandler(ctx *context.Context) {
if !checkIsValidRequest(ctx) {
// Status is written in checkIsValidRequest
return
}
ctx.Resp.Header().Set("Content-Type", metaMediaType)
@ -204,7 +233,7 @@ func VerifyLockHandler(ctx *context.Context) {
repository, err := models.GetRepositoryByOwnerAndName(userName, repoName)
if err != nil {
log.Debug("Could not find repository: %s/%s - %s", userName, repoName, err)
log.Error("Unable to get repository: %s/%s Error: %v", userName, repoName, err)
writeStatus(ctx, 404)
return
}
@ -219,14 +248,28 @@ func VerifyLockHandler(ctx *context.Context) {
return
}
//TODO handle body json cursor and limit
lockList, err := models.GetLFSLockByRepoID(repository.ID, 0, 0)
cursor := ctx.QueryInt("cursor")
if cursor < 0 {
cursor = 0
}
limit := ctx.QueryInt("limit")
if limit > setting.LFS.LocksPagingNum && setting.LFS.LocksPagingNum > 0 {
limit = setting.LFS.LocksPagingNum
} else if limit < 0 {
limit = 0
}
lockList, err := models.GetLFSLockByRepoID(repository.ID, cursor, limit)
if err != nil {
log.Error("Unable to list locks for repository ID[%d]: Error: %v", repository.ID, err)
ctx.JSON(500, api.LFSLockError{
Message: "unable to list locks : " + err.Error(),
Message: "unable to list locks : Internal Server Error",
})
return
}
next := ""
if limit > 0 && len(lockList) == limit {
next = strconv.Itoa(cursor + 1)
}
lockOursListAPI := make([]*api.LFSLock, 0, len(lockList))
lockTheirsListAPI := make([]*api.LFSLock, 0, len(lockList))
for _, l := range lockList {
@ -239,12 +282,14 @@ func VerifyLockHandler(ctx *context.Context) {
ctx.JSON(200, api.LFSLockListVerify{
Ours: lockOursListAPI,
Theirs: lockTheirsListAPI,
Next: next,
})
}
// UnLockHandler delete locks
func UnLockHandler(ctx *context.Context) {
if !checkIsValidRequest(ctx) {
// Status is written in checkIsValidRequest
return
}
ctx.Resp.Header().Set("Content-Type", metaMediaType)
@ -255,7 +300,7 @@ func UnLockHandler(ctx *context.Context) {
repository, err := models.GetRepositoryByOwnerAndName(userName, repoName)
if err != nil {
log.Debug("Could not find repository: %s/%s - %s", userName, repoName, err)
log.Error("Unable to get repository: %s/%s Error: %v", userName, repoName, err)
writeStatus(ctx, 404)
return
}
@ -275,6 +320,7 @@ func UnLockHandler(ctx *context.Context) {
defer bodyReader.Close()
dec := json.NewDecoder(bodyReader)
if err := dec.Decode(&req); err != nil {
log.Warn("Failed to decode lock request as json. Error: %v", err)
writeStatus(ctx, 400)
return
}
@ -288,8 +334,9 @@ func UnLockHandler(ctx *context.Context) {
})
return
}
log.Error("Unable to DeleteLFSLockByID[%d] by user %-v with force %t: Error: %v", ctx.ParamsInt64("lid"), ctx.User, req.Force, err)
ctx.JSON(500, api.LFSLockError{
Message: "unable to delete lock : " + err.Error(),
Message: "unable to delete lock : Internal Server Error",
})
return
}

108
modules/lfs/server.go
View File

@ -65,6 +65,14 @@ type ObjectError struct {
Message string `json:"message"`
}
// Claims is a JWT Token Claims
type Claims struct {
RepoID int64
Op string
UserID int64
jwt.StandardClaims
}
// ObjectLink builds a URL linking to the object.
func (v *RequestVars) ObjectLink() string {
return setting.AppURL + path.Join(v.User, v.Repo+".git", "info/lfs/objects", v.Oid)
@ -91,6 +99,7 @@ func isOidValid(oid string) bool {
// ObjectOidHandler is the main request routing entry point into LFS server functions
func ObjectOidHandler(ctx *context.Context) {
if !setting.LFS.StartServer {
log.Debug("Attempt to access LFS server but LFS server is disabled")
writeStatus(ctx, 404)
return
}
@ -108,17 +117,20 @@ func ObjectOidHandler(ctx *context.Context) {
return
}
log.Warn("Unhandled LFS method: %s for %s/%s OID[%s]", ctx.Req.Method, ctx.Params("username"), ctx.Params("reponame"), ctx.Params("oid"))
writeStatus(ctx, 404)
}
func getAuthenticatedRepoAndMeta(ctx *context.Context, rv *RequestVars, requireWrite bool) (*models.LFSMetaObject, *models.Repository) {
if !isOidValid(rv.Oid) {
log.Info("Attempt to access invalid LFS OID[%s] in %s/%s", rv.Oid, rv.User, rv.Repo)
writeStatus(ctx, 404)
return nil, nil
}
repository, err := models.GetRepositoryByOwnerAndName(rv.User, rv.Repo)
if err != nil {
log.Debug("Could not find repository: %s/%s - %s", rv.User, rv.Repo, err)
log.Error("Unable to get repository: %s/%s Error: %v", rv.User, rv.Repo, err)
writeStatus(ctx, 404)
return nil, nil
}
@ -130,6 +142,7 @@ func getAuthenticatedRepoAndMeta(ctx *context.Context, rv *RequestVars, requireW
meta, err := repository.GetLFSMetaObjectByOid(rv.Oid)
if err != nil {
log.Error("Unable to get LFS OID[%s] Error: %v", rv.Oid, err)
writeStatus(ctx, 404)
return nil, nil
}
@ -143,6 +156,7 @@ func getContentHandler(ctx *context.Context) {
meta, _ := getAuthenticatedRepoAndMeta(ctx, rv, false)
if meta == nil {
// Status already written in getAuthenticatedRepoAndMeta
return
}
@ -162,9 +176,11 @@ func getContentHandler(ctx *context.Context) {
contentStore := &ContentStore{BasePath: setting.LFS.ContentPath}
content, err := contentStore.Get(meta, fromByte)
if err != nil {
// Errors are logged in contentStore.Get
writeStatus(ctx, 404)
return
}
defer content.Close()
ctx.Resp.Header().Set("Content-Length", strconv.FormatInt(meta.Size-fromByte, 10))
ctx.Resp.Header().Set("Content-Type", "application/octet-stream")
@ -178,8 +194,9 @@ func getContentHandler(ctx *context.Context) {
}
ctx.Resp.WriteHeader(statusCode)
_, _ = io.Copy(ctx.Resp, content)
_ = content.Close()
if written, err := io.Copy(ctx.Resp, content); err != nil {
log.Error("Error whilst copying LFS OID[%s] to the response after %d bytes. Error: %v", meta.Oid, written, err)
}
logRequest(ctx.Req, statusCode)
}
@ -189,6 +206,7 @@ func getMetaHandler(ctx *context.Context) {
meta, _ := getAuthenticatedRepoAndMeta(ctx, rv, false)
if meta == nil {
// Status already written in getAuthenticatedRepoAndMeta
return
}
@ -196,7 +214,9 @@ func getMetaHandler(ctx *context.Context) {
if ctx.Req.Method == "GET" {
enc := json.NewEncoder(ctx.Resp)
_ = enc.Encode(Represent(rv, meta, true, false))
if err := enc.Encode(Represent(rv, meta, true, false)); err != nil {
log.Error("Failed to encode representation as json. Error: %v", err)
}
}
logRequest(ctx.Req, 200)
@ -205,11 +225,13 @@ func getMetaHandler(ctx *context.Context) {
// PostHandler instructs the client how to upload data
func PostHandler(ctx *context.Context) {
if !setting.LFS.StartServer {
log.Debug("Attempt to access LFS server but LFS server is disabled")
writeStatus(ctx, 404)
return
}
if !MetaMatcher(ctx.Req) {
log.Info("Attempt to POST without accepting the correct media type: %s", metaMediaType)
writeStatus(ctx, 400)
return
}
@ -218,7 +240,7 @@ func PostHandler(ctx *context.Context) {
repository, err := models.GetRepositoryByOwnerAndName(rv.User, rv.Repo)
if err != nil {
log.Debug("Could not find repository: %s/%s - %s", rv.User, rv.Repo, err)
log.Error("Unable to get repository: %s/%s Error: %v", rv.User, rv.Repo, err)
writeStatus(ctx, 404)
return
}
@ -229,18 +251,20 @@ func PostHandler(ctx *context.Context) {
}
if !isOidValid(rv.Oid) {
log.Info("Invalid LFS OID[%s] attempt to POST in %s/%s", rv.Oid, rv.User, rv.Repo)
writeStatus(ctx, 404)
return
}
if setting.LFS.MaxFileSize > 0 && rv.Size > setting.LFS.MaxFileSize {
log.Info("Denied LFS upload of size %d to %s/%s because of LFS_MAX_FILE_SIZE=%d", rv.Size, rv.User, rv.Repo, setting.LFS.MaxFileSize)
log.Info("Denied LFS OID[%s] upload of size %d to %s/%s because of LFS_MAX_FILE_SIZE=%d", rv.Oid, rv.Size, rv.User, rv.Repo, setting.LFS.MaxFileSize)
writeStatus(ctx, 413)
return
}
meta, err := models.NewLFSMetaObject(&models.LFSMetaObject{Oid: rv.Oid, Size: rv.Size, RepositoryID: repository.ID})
if err != nil {
log.Error("Unable to write LFS OID[%s] size %d meta object in %v/%v to database. Error: %v", rv.Oid, rv.Size, rv.User, rv.Repo, err)
writeStatus(ctx, 404)
return
}
@ -255,18 +279,22 @@ func PostHandler(ctx *context.Context) {
ctx.Resp.WriteHeader(sentStatus)
enc := json.NewEncoder(ctx.Resp)
_ = enc.Encode(Represent(rv, meta, meta.Existing, true))
if err := enc.Encode(Represent(rv, meta, meta.Existing, true)); err != nil {
log.Error("Failed to encode representation as json. Error: %v", err)
}
logRequest(ctx.Req, sentStatus)
}
// BatchHandler provides the batch api
func BatchHandler(ctx *context.Context) {
if !setting.LFS.StartServer {
log.Debug("Attempt to access LFS server but LFS server is disabled")
writeStatus(ctx, 404)
return
}
if !MetaMatcher(ctx.Req) {
log.Info("Attempt to BATCH without accepting the correct media type: %s", metaMediaType)
writeStatus(ctx, 400)
return
}
@ -278,13 +306,13 @@ func BatchHandler(ctx *context.Context) {
// Create a response object
for _, object := range bv.Objects {
if !isOidValid(object.Oid) {
log.Info("Invalid LFS OID[%s] attempt to BATCH in %s/%s", object.Oid, object.User, object.Repo)
continue
}
repository, err := models.GetRepositoryByOwnerAndName(object.User, object.Repo)
if err != nil {
log.Debug("Could not find repository: %s/%s - %s", object.User, object.Repo, err)
log.Error("Unable to get repository: %s/%s Error: %v", object.User, object.Repo, err)
writeStatus(ctx, 404)
return
}
@ -308,7 +336,7 @@ func BatchHandler(ctx *context.Context) {
}
if requireWrite && setting.LFS.MaxFileSize > 0 && object.Size > setting.LFS.MaxFileSize {
log.Info("Denied LFS upload of size %d to %s/%s because of LFS_MAX_FILE_SIZE=%d", object.Size, object.User, object.Repo, setting.LFS.MaxFileSize)
log.Info("Denied LFS OID[%s] upload of size %d to %s/%s because of LFS_MAX_FILE_SIZE=%d", object.Oid, object.Size, object.User, object.Repo, setting.LFS.MaxFileSize)
writeStatus(ctx, 413)
return
}
@ -317,6 +345,8 @@ func BatchHandler(ctx *context.Context) {
meta, err = models.NewLFSMetaObject(&models.LFSMetaObject{Oid: object.Oid, Size: object.Size, RepositoryID: repository.ID})
if err == nil {
responseObjects = append(responseObjects, Represent(object, meta, meta.Existing, !contentStore.Exists(meta)))
} else {
log.Error("Unable to write LFS OID[%s] size %d meta object in %v/%v to database. Error: %v", object.Oid, object.Size, object.User, object.Repo, err)
}
}
@ -325,7 +355,9 @@ func BatchHandler(ctx *context.Context) {
respobj := &BatchResponse{Objects: responseObjects}
enc := json.NewEncoder(ctx.Resp)
_ = enc.Encode(respobj)
if err := enc.Encode(respobj); err != nil {
log.Error("Failed to encode representation as json. Error: %v", err)
}
logRequest(ctx.Req, 200)
}
@ -335,6 +367,7 @@ func PutHandler(ctx *context.Context) {
meta, repository := getAuthenticatedRepoAndMeta(ctx, rv, true)
if meta == nil {
// Status already written in getAuthenticatedRepoAndMeta
return
}
@ -342,10 +375,15 @@ func PutHandler(ctx *context.Context) {
bodyReader := ctx.Req.Body().ReadCloser()
defer bodyReader.Close()
if err := contentStore.Put(meta, bodyReader); err != nil {
// Put will log the error itself
ctx.Resp.WriteHeader(500)
fmt.Fprintf(ctx.Resp, `{"message":"%s"}`, err)
if err == errSizeMismatch || err == errHashMismatch {
fmt.Fprintf(ctx.Resp, `{"message":"%s"}`, err)
} else {
fmt.Fprintf(ctx.Resp, `{"message":"Internal Server Error"}`)
}
if _, err = repository.RemoveLFSMetaObjectByOid(rv.Oid); err != nil {
log.Error("RemoveLFSMetaObjectByOid: %v", err)
log.Error("Whilst removing metaobject for LFS OID[%s] due to preceding error there was another Error: %v", rv.Oid, err)
}
return
}
@ -356,11 +394,13 @@ func PutHandler(ctx *context.Context) {
// VerifyHandler verify oid and its size from the content store
func VerifyHandler(ctx *context.Context) {
if !setting.LFS.StartServer {
log.Debug("Attempt to access LFS server but LFS server is disabled")
writeStatus(ctx, 404)
return
}
if !MetaMatcher(ctx.Req) {
log.Info("Attempt to VERIFY without accepting the correct media type: %s", metaMediaType)
writeStatus(ctx, 400)
return
}
@ -369,14 +409,16 @@ func VerifyHandler(ctx *context.Context) {
meta, _ := getAuthenticatedRepoAndMeta(ctx, rv, true)
if meta == nil {
// Status already written in getAuthenticatedRepoAndMeta
return
}
contentStore := &ContentStore{BasePath: setting.LFS.ContentPath}
ok, err := contentStore.Verify(meta)
if err != nil {
// Error will be logged in Verify
ctx.Resp.WriteHeader(500)
fmt.Fprintf(ctx.Resp, `{"message":"%s"}`, err)
fmt.Fprintf(ctx.Resp, `{"message":"Internal Server Error"}`)
return
}
if !ok {
@ -453,6 +495,8 @@ func unpack(ctx *context.Context) *RequestVars {
dec := json.NewDecoder(bodyReader)
err := dec.Decode(&p)
if err != nil {
// The error is logged as a WARN here because this may represent misbehaviour rather than a true error
log.Warn("Unable to decode POST request vars for LFS OID[%s] in %s/%s: Error: %v", rv.Oid, rv.User, rv.Repo, err)
return rv
}
@ -474,6 +518,8 @@ func unpackbatch(ctx *context.Context) *BatchVars {
dec := json.NewDecoder(bodyReader)
err := dec.Decode(&bv)
if err != nil {
// The error is logged as a WARN here because this may represent misbehaviour rather than a true error
log.Warn("Unable to decode BATCH request vars in %s/%s: Error: %v", ctx.Params("username"), strings.TrimSuffix(ctx.Params("reponame"), ".git"), err)
return &bv
}
@ -515,6 +561,7 @@ func authenticate(ctx *context.Context, repository *models.Repository, authoriza
// ctx.IsSigned is unnecessary here, this will be checked in perm.CanAccess
perm, err := models.GetUserRepoPermission(repository, ctx.User)
if err != nil {
log.Error("Unable to GetUserRepoPermission for user %-v in repo %-v Error: %v", ctx.User, repository)
return false
}
@ -525,12 +572,15 @@ func authenticate(ctx *context.Context, repository *models.Repository, authoriza
user, repo, opStr, err := parseToken(authorization)
if err != nil {
// Most of these are Warn level - the true internal server errors are logged in parseToken already
log.Warn("Authentication failure for provided token with Error: %v", err)
return false
}
ctx.User = user
if opStr == "basic" {
perm, err = models.GetUserRepoPermission(repository, ctx.User)
if err != nil {
log.Error("Unable to GetUserRepoPermission for user %-v in repo %-v Error: %v", ctx.User, repository)
return false
}
return perm.CanAccess(accessMode, models.UnitTypeCode)
@ -549,40 +599,31 @@ func parseToken(authorization string) (*models.User, *models.Repository, string,
return nil, nil, "unknown", fmt.Errorf("No token")
}
if strings.HasPrefix(authorization, "Bearer ") {
token, err := jwt.Parse(authorization[7:], func(t *jwt.Token) (interface{}, error) {
token, err := jwt.ParseWithClaims(authorization[7:], &Claims{}, func(t *jwt.Token) (interface{}, error) {
if _, ok := t.Method.(*jwt.SigningMethodHMAC); !ok {
return nil, fmt.Errorf("unexpected signing method: %v", t.Header["alg"])
}
return setting.LFS.JWTSecretBytes, nil
})
if err != nil {
// The error here is WARN level because it is caused by bad authorization rather than an internal server error
return nil, nil, "unknown", err
}
claims, claimsOk := token.Claims.(jwt.MapClaims)
claims, claimsOk := token.Claims.(*Claims)
if !token.Valid || !claimsOk {
return nil, nil, "unknown", fmt.Errorf("Token claim invalid")
}
opStr, ok := claims["op"].(string)
if !ok {
return nil, nil, "unknown", fmt.Errorf("Token operation invalid")
}
repoID, ok := claims["repo"].(float64)
if !ok {
return nil, nil, opStr, fmt.Errorf("Token repository id invalid")
}
r, err := models.GetRepositoryByID(int64(repoID))
r, err := models.GetRepositoryByID(claims.RepoID)
if err != nil {
return nil, nil, opStr, err
log.Error("Unable to GetRepositoryById[%d]: Error: %v", claims.RepoID, err)
return nil, nil, claims.Op, err
}
userID, ok := claims["user"].(float64)
if !ok {
return nil, r, opStr, fmt.Errorf("Token user id invalid")
}
u, err := models.GetUserByID(int64(userID))
u, err := models.GetUserByID(claims.UserID)
if err != nil {
return nil, r, opStr, err
log.Error("Unable to GetUserById[%d]: Error: %v", claims.UserID, err)
return nil, r, claims.Op, err
}
return u, r, opStr, nil
return u, r, claims.Op, nil
}
if strings.HasPrefix(authorization, "Basic ") {
@ -598,6 +639,7 @@ func parseToken(authorization string) (*models.User, *models.Repository, string,
user, password := cs[:i], cs[i+1:]
u, err := models.GetUserByName(user)
if err != nil {
log.Error("Unable to GetUserByName[%d]: Error: %v", user, err)
return nil, nil, "basic", err
}
if !u.IsPasswordSet() || !u.ValidatePassword(password) {

4
modules/setting/setting.go
View File

@ -141,6 +141,7 @@ var (
JWTSecretBytes []byte `ini:"-"`
HTTPAuthExpiry time.Duration `ini:"LFS_HTTP_AUTH_EXPIRY"`
MaxFileSize int64 `ini:"LFS_MAX_FILE_SIZE"`
LocksPagingNum int `ini:"LFS_LOCKS_PAGING_NUM"`
}
// Security settings
@ -720,6 +721,9 @@ func NewContext() {
if !filepath.IsAbs(LFS.ContentPath) {
LFS.ContentPath = filepath.Join(AppWorkPath, LFS.ContentPath)
}
if LFS.LocksPagingNum == 0 {
LFS.LocksPagingNum = 50
}
LFS.HTTPAuthExpiry = sec.Key("LFS_HTTP_AUTH_EXPIRY").MustDuration(20 * time.Minute)