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@ -5,7 +5,9 @@
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package lfs
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package lfs
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import (
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import (
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"crypto/sha256"
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"encoding/base64"
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"encoding/base64"
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"encoding/hex"
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"errors"
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"errors"
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"fmt"
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"fmt"
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"io"
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"io"
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@ -214,14 +216,22 @@ func BatchHandler(ctx *context.Context) {
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}
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}
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}
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}
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if exists {
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if exists && meta == nil {
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if meta == nil {
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accessible, err := models.LFSObjectAccessible(ctx.User, p.Oid)
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if err != nil {
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log.Error("Unable to check if LFS MetaObject [%s] is accessible. Error: %v", p.Oid, err)
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writeStatus(ctx, http.StatusInternalServerError)
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return
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}
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if accessible {
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_, err := models.NewLFSMetaObject(&models.LFSMetaObject{Pointer: p, RepositoryID: repository.ID})
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_, err := models.NewLFSMetaObject(&models.LFSMetaObject{Pointer: p, RepositoryID: repository.ID})
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if err != nil {
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if err != nil {
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log.Error("Unable to create LFS MetaObject [%s] for %s/%s. Error: %v", p.Oid, rc.User, rc.Repo, err)
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log.Error("Unable to create LFS MetaObject [%s] for %s/%s. Error: %v", p.Oid, rc.User, rc.Repo, err)
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writeStatus(ctx, http.StatusInternalServerError)
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writeStatus(ctx, http.StatusInternalServerError)
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return
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return
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}
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}
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} else {
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exists = false
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}
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}
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}
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}
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@ -271,29 +281,50 @@ func UploadHandler(ctx *context.Context) {
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return
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return
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}
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}
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meta, err := models.NewLFSMetaObject(&models.LFSMetaObject{Pointer: p, RepositoryID: repository.ID})
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if err != nil {
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log.Error("Unable to create LFS MetaObject [%s] for %s/%s. Error: %v", p.Oid, rc.User, rc.Repo, err)
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writeStatus(ctx, http.StatusInternalServerError)
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return
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}
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contentStore := lfs_module.NewContentStore()
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contentStore := lfs_module.NewContentStore()
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exists, err := contentStore.Exists(p)
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exists, err := contentStore.Exists(p)
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if err != nil {
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if err != nil {
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log.Error("Unable to check if LFS OID[%s] exist. Error: %v", p.Oid, err)
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log.Error("Unable to check if LFS OID[%s] exist. Error: %v", p.Oid, err)
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writeStatus(ctx, http.StatusInternalServerError)
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writeStatus(ctx, http.StatusInternalServerError)
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return
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return
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}
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}
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if meta.Existing || exists {
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ctx.Resp.WriteHeader(http.StatusOK)
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uploadOrVerify := func() error {
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return
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if exists {
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accessible, err := models.LFSObjectAccessible(ctx.User, p.Oid)
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if err != nil {
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log.Error("Unable to check if LFS MetaObject [%s] is accessible. Error: %v", p.Oid, err)
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return err
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}
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if !accessible {
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// The file exists but the user has no access to it.
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// The upload gets verified by hashing and size comparison to prove access to it.
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hash := sha256.New()
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written, err := io.Copy(hash, ctx.Req.Body)
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if err != nil {
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log.Error("Error creating hash. Error: %v", err)
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return err
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}
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if written != p.Size {
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return lfs_module.ErrSizeMismatch
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}
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if hex.EncodeToString(hash.Sum(nil)) != p.Oid {
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return lfs_module.ErrHashMismatch
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}
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}
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} else if err := contentStore.Put(p, ctx.Req.Body); err != nil {
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log.Error("Error putting LFS MetaObject [%s] into content store. Error: %v", p.Oid, err)
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return err
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}
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_, err := models.NewLFSMetaObject(&models.LFSMetaObject{Pointer: p, RepositoryID: repository.ID})
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return err
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}
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}
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defer ctx.Req.Body.Close()
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defer ctx.Req.Body.Close()
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if err := contentStore.Put(meta.Pointer, ctx.Req.Body); err != nil {
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if err := uploadOrVerify(); err != nil {
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if errors.Is(err, lfs_module.ErrSizeMismatch) || errors.Is(err, lfs_module.ErrHashMismatch) {
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if errors.Is(err, lfs_module.ErrSizeMismatch) || errors.Is(err, lfs_module.ErrHashMismatch) {
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log.Error("Upload does not match LFS MetaObject [%s]. Error: %v", p.Oid, err)
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writeStatusMessage(ctx, http.StatusUnprocessableEntity, err.Error())
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writeStatusMessage(ctx, http.StatusUnprocessableEntity, err.Error())
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} else {
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} else {
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writeStatus(ctx, http.StatusInternalServerError)
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writeStatus(ctx, http.StatusInternalServerError)
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