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gitea/routers/web/repo/download.go

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// Copyright 2014 The Gogs Authors. All rights reserved.
// Copyright 2018 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package repo
import (
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/context"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/httpcache"
"code.gitea.io/gitea/modules/lfs"
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"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/storage"
"code.gitea.io/gitea/routers/common"
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)
// ServeBlobOrLFS download a git.Blob redirecting to LFS if necessary
func ServeBlobOrLFS(ctx *context.Context, blob *git.Blob) error {
if httpcache.HandleGenericETagCache(ctx.Req, ctx.Resp, `"`+blob.ID.String()+`"`) {
return nil
}
dataRc, err := blob.DataAsync()
if err != nil {
return err
}
closed := false
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defer func() {
if closed {
return
}
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if err = dataRc.Close(); err != nil {
log.Error("ServeBlobOrLFS: Close: %v", err)
}
}()
Add LFS Migration and Mirror (#14726) * Implemented LFS client. * Implemented scanning for pointer files. * Implemented downloading of lfs files. * Moved model-dependent code into services. * Removed models dependency. Added TryReadPointerFromBuffer. * Migrated code from service to module. * Centralised storage creation. * Removed dependency from models. * Moved ContentStore into modules. * Share structs between server and client. * Moved method to services. * Implemented lfs download on clone. * Implemented LFS sync on clone and mirror update. * Added form fields. * Updated templates. * Fixed condition. * Use alternate endpoint. * Added missing methods. * Fixed typo and make linter happy. * Detached pointer parser from gogit dependency. * Fixed TestGetLFSRange test. * Added context to support cancellation. * Use ReadFull to probably read more data. * Removed duplicated code from models. * Moved scan implementation into pointer_scanner_nogogit. * Changed method name. * Added comments. * Added more/specific log/error messages. * Embedded lfs.Pointer into models.LFSMetaObject. * Moved code from models to module. * Moved code from models to module. * Moved code from models to module. * Reduced pointer usage. * Embedded type. * Use promoted fields. * Fixed unexpected eof. * Added unit tests. * Implemented migration of local file paths. * Show an error on invalid LFS endpoints. * Hide settings if not used. * Added LFS info to mirror struct. * Fixed comment. * Check LFS endpoint. * Manage LFS settings from mirror page. * Fixed selector. * Adjusted selector. * Added more tests. * Added local filesystem migration test. * Fixed typo. * Reset settings. * Added special windows path handling. * Added unit test for HTTPClient. * Added unit test for BasicTransferAdapter. * Moved into util package. * Test if LFS endpoint is allowed. * Added support for git:// * Just use a static placeholder as the displayed url may be invalid. * Reverted to original code. * Added "Advanced Settings". * Updated wording. * Added discovery info link. * Implemented suggestion. * Fixed missing format parameter. * Added Pointer.IsValid(). * Always remove model on error. * Added suggestions. * Use channel instead of array. * Update routers/repo/migrate.go * fmt Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: zeripath <art27@cantab.net>
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pointer, _ := lfs.ReadPointer(dataRc)
if pointer.IsValid() {
meta, _ := models.GetLFSMetaObjectByOid(ctx.Repo.Repository.ID, pointer.Oid)
if meta == nil {
if err = dataRc.Close(); err != nil {
log.Error("ServeBlobOrLFS: Close: %v", err)
}
closed = true
return common.ServeBlob(ctx, blob)
}
if httpcache.HandleGenericETagCache(ctx.Req, ctx.Resp, `"`+pointer.Oid+`"`) {
return nil
}
if setting.LFS.ServeDirect {
// If we have a signed url (S3, object storage), redirect to this directly.
u, err := storage.LFS.URL(pointer.RelativePath(), blob.Name())
if u != nil && err == nil {
ctx.Redirect(u.String())
return nil
}
}
Add LFS Migration and Mirror (#14726) * Implemented LFS client. * Implemented scanning for pointer files. * Implemented downloading of lfs files. * Moved model-dependent code into services. * Removed models dependency. Added TryReadPointerFromBuffer. * Migrated code from service to module. * Centralised storage creation. * Removed dependency from models. * Moved ContentStore into modules. * Share structs between server and client. * Moved method to services. * Implemented lfs download on clone. * Implemented LFS sync on clone and mirror update. * Added form fields. * Updated templates. * Fixed condition. * Use alternate endpoint. * Added missing methods. * Fixed typo and make linter happy. * Detached pointer parser from gogit dependency. * Fixed TestGetLFSRange test. * Added context to support cancellation. * Use ReadFull to probably read more data. * Removed duplicated code from models. * Moved scan implementation into pointer_scanner_nogogit. * Changed method name. * Added comments. * Added more/specific log/error messages. * Embedded lfs.Pointer into models.LFSMetaObject. * Moved code from models to module. * Moved code from models to module. * Moved code from models to module. * Reduced pointer usage. * Embedded type. * Use promoted fields. * Fixed unexpected eof. * Added unit tests. * Implemented migration of local file paths. * Show an error on invalid LFS endpoints. * Hide settings if not used. * Added LFS info to mirror struct. * Fixed comment. * Check LFS endpoint. * Manage LFS settings from mirror page. * Fixed selector. * Adjusted selector. * Added more tests. * Added local filesystem migration test. * Fixed typo. * Reset settings. * Added special windows path handling. * Added unit test for HTTPClient. * Added unit test for BasicTransferAdapter. * Moved into util package. * Test if LFS endpoint is allowed. * Added support for git:// * Just use a static placeholder as the displayed url may be invalid. * Reverted to original code. * Added "Advanced Settings". * Updated wording. * Added discovery info link. * Implemented suggestion. * Fixed missing format parameter. * Added Pointer.IsValid(). * Always remove model on error. * Added suggestions. * Use channel instead of array. * Update routers/repo/migrate.go * fmt Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: zeripath <art27@cantab.net>
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lfsDataRc, err := lfs.ReadMetaObject(meta.Pointer)
if err != nil {
return err
}
defer func() {
if err = lfsDataRc.Close(); err != nil {
log.Error("ServeBlobOrLFS: Close: %v", err)
}
}()
return common.ServeData(ctx, ctx.Repo.TreePath, meta.Size, lfsDataRc)
}
if err = dataRc.Close(); err != nil {
log.Error("ServeBlobOrLFS: Close: %v", err)
}
closed = true
return common.ServeBlob(ctx, blob)
}
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// SingleDownload download a file by repos path
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func SingleDownload(ctx *context.Context) {
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blob, err := ctx.Repo.Commit.GetBlobByPath(ctx.Repo.TreePath)
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if err != nil {
if git.IsErrNotExist(err) {
ctx.NotFound("GetBlobByPath", nil)
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} else {
ctx.ServerError("GetBlobByPath", err)
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}
return
}
if err = common.ServeBlob(ctx, blob); err != nil {
ctx.ServerError("ServeBlob", err)
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}
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}
// SingleDownloadOrLFS download a file by repos path redirecting to LFS if necessary
func SingleDownloadOrLFS(ctx *context.Context) {
blob, err := ctx.Repo.Commit.GetBlobByPath(ctx.Repo.TreePath)
if err != nil {
if git.IsErrNotExist(err) {
ctx.NotFound("GetBlobByPath", nil)
} else {
ctx.ServerError("GetBlobByPath", err)
}
return
}
if err = ServeBlobOrLFS(ctx, blob); err != nil {
ctx.ServerError("ServeBlobOrLFS", err)
}
}
// DownloadByID download a file by sha1 ID
func DownloadByID(ctx *context.Context) {
blob, err := ctx.Repo.GitRepo.GetBlob(ctx.Params("sha"))
if err != nil {
if git.IsErrNotExist(err) {
ctx.NotFound("GetBlob", nil)
} else {
ctx.ServerError("GetBlob", err)
}
return
}
if err = common.ServeBlob(ctx, blob); err != nil {
ctx.ServerError("ServeBlob", err)
}
}
// DownloadByIDOrLFS download a file by sha1 ID taking account of LFS
func DownloadByIDOrLFS(ctx *context.Context) {
blob, err := ctx.Repo.GitRepo.GetBlob(ctx.Params("sha"))
if err != nil {
if git.IsErrNotExist(err) {
ctx.NotFound("GetBlob", nil)
} else {
ctx.ServerError("GetBlob", err)
}
return
}
if err = ServeBlobOrLFS(ctx, blob); err != nil {
ctx.ServerError("ServeBlob", err)
}
}