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Code Releases Activity

Add ETag header (#15370)

Browse Source 
* Add ETag header.

* Comply with RFC 7232.

* Moved logic into httpcache.go

* Changed name.

* Lint

* Implemented If-None-Match list.

* Fixed missing header on *

* Removed weak etag support.

* Removed * support.

* Added unit test.

* Lint

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>
This commit is contained in:
KN4CK3R
2021-04-12 16:49:26 +02:00
committed by GitHub
parent 6d2866f20c
commit a35a5b225c
5 changed files with 200 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
routers/repo/attachment.go
View File

@ -10,6 +10,7 @@ import (
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/context"
"code.gitea.io/gitea/modules/httpcache"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/storage"
@ -124,21 +125,25 @@ func GetAttachment(ctx *context.Context) {
}
}
if err := attach.IncreaseDownloadCount(); err != nil {
ctx.ServerError("IncreaseDownloadCount", err)
return
}
if setting.Attachment.ServeDirect {
//If we have a signed url (S3, object storage), redirect to this directly.
u, err := storage.Attachments.URL(attach.RelativePath(), attach.Name)
if u != nil && err == nil {
if err := attach.IncreaseDownloadCount(); err != nil {
ctx.ServerError("Update", err)
return
}
ctx.Redirect(u.String())
return
}
}
if httpcache.HandleGenericETagCache(ctx.Req, ctx.Resp, `"`+attach.UUID+`"`) {
return
}
//If we have matched and access to release or issue
fr, err := storage.Attachments.Open(attach.RelativePath())
if err != nil {
@ -147,11 +152,6 @@ func GetAttachment(ctx *context.Context) {
}
defer fr.Close()
if err := attach.IncreaseDownloadCount(); err != nil {
ctx.ServerError("Update", err)
return
}
if err = ServeData(ctx, attach.Name, attach.Size, fr); err != nil {
ctx.ServerError("ServeData", err)
return

13
routers/repo/download.go
View File

@ -15,6 +15,7 @@ import (
"code.gitea.io/gitea/modules/charset"
"code.gitea.io/gitea/modules/context"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/httpcache"
"code.gitea.io/gitea/modules/lfs"
"code.gitea.io/gitea/modules/log"
)
@ -31,6 +32,7 @@ func ServeData(ctx *context.Context, name string, size int64, reader io.Reader)
}
ctx.Resp.Header().Set("Cache-Control", "public,max-age=86400")
if size >= 0 {
ctx.Resp.Header().Set("Content-Length", fmt.Sprintf("%d", size))
} else {
@ -71,6 +73,10 @@ func ServeData(ctx *context.Context, name string, size int64, reader io.Reader)
// ServeBlob download a git.Blob
func ServeBlob(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
@ -86,6 +92,10 @@ func ServeBlob(ctx *context.Context, blob *git.Blob) error {
// 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
@ -102,6 +112,9 @@ func ServeBlobOrLFS(ctx *context.Context, blob *git.Blob) error {
if meta == nil {
return ServeBlob(ctx, blob)
}
if httpcache.HandleGenericETagCache(ctx.Req, ctx.Resp, `"`+pointer.Oid+`"`) {
return nil
}
lfsDataRc, err := lfs.ReadMetaObject(meta.Pointer)
if err != nil {
return err