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Decouple the different contexts from each other (#24786)

Browse Source 
Replace #16455

Close #21803

Mixing different Gitea contexts together causes some problems:

1. Unable to respond proper content when error occurs, eg: Web should
respond HTML while API should respond JSON
2. Unclear dependency, eg: it's unclear when Context is used in
APIContext, which fields should be initialized, which methods are
necessary.


To make things clear, this PR introduces a Base context, it only
provides basic Req/Resp/Data features.

This PR mainly moves code. There are still many legacy problems and
TODOs in code, leave unrelated changes to future PRs.
This commit is contained in:
wxiaoguang
2023-05-21 09:50:53 +08:00
committed by GitHub
parent 6ba4f89723
commit 6b33152b7d
57 changed files with 885 additions and 781 deletions
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8
routers/common/markup.go
View File

@@ -19,7 +19,7 @@ import (
)
// RenderMarkup renders markup text for the /markup and /markdown endpoints
func RenderMarkup(ctx *context.Context, mode, text, urlPrefix, filePath string, wiki bool) {
func RenderMarkup(ctx *context.Base, repo *context.Repository, mode, text, urlPrefix, filePath string, wiki bool) {
var markupType string
relativePath := ""
@@ -63,11 +63,11 @@ func RenderMarkup(ctx *context.Context, mode, text, urlPrefix, filePath string,
}
meta := map[string]string{}
if ctx.Repo != nil && ctx.Repo.Repository != nil {
if repo != nil && repo.Repository != nil {
if mode == "comment" {
meta = ctx.Repo.Repository.ComposeMetas()
meta = repo.Repository.ComposeMetas()
} else {
meta = ctx.Repo.Repository.ComposeDocumentMetas()
meta = repo.Repository.ComposeDocumentMetas()
}
}
if mode != "comment" {

2
routers/common/middleware.go
View File

@@ -42,7 +42,7 @@ func ProtocolMiddlewares() (handlers []any) {
return http.HandlerFunc(func(resp http.ResponseWriter, req *http.Request) {
ctx, _, finished := process.GetManager().AddTypedContext(req.Context(), fmt.Sprintf("%s: %s", req.Method, req.RequestURI), process.RequestProcessType, true)
defer finished()
next.ServeHTTP(context.NewResponse(resp), req.WithContext(cache.WithCacheContext(ctx)))
next.ServeHTTP(context.WrapResponseWriter(resp), req.WithContext(cache.WithCacheContext(ctx)))
})
})

8
routers/common/serve.go
View File

@@ -15,7 +15,7 @@ import (
)
// ServeBlob download a git.Blob
func ServeBlob(ctx *context.Context, blob *git.Blob, lastModified time.Time) error {
func ServeBlob(ctx *context.Base, filePath string, blob *git.Blob, lastModified time.Time) error {
if httpcache.HandleGenericETagTimeCache(ctx.Req, ctx.Resp, `"`+blob.ID.String()+`"`, lastModified) {
return nil
}
@@ -30,14 +30,14 @@ func ServeBlob(ctx *context.Context, blob *git.Blob, lastModified time.Time) err
}
}()
httplib.ServeContentByReader(ctx.Req, ctx.Resp, ctx.Repo.TreePath, blob.Size(), dataRc)
httplib.ServeContentByReader(ctx.Req, ctx.Resp, filePath, blob.Size(), dataRc)
return nil
}
func ServeContentByReader(ctx *context.Context, filePath string, size int64, reader io.Reader) {
func ServeContentByReader(ctx *context.Base, filePath string, size int64, reader io.Reader) {
httplib.ServeContentByReader(ctx.Req, ctx.Resp, filePath, size, reader)
}
func ServeContentByReadSeeker(ctx *context.Context, filePath string, modTime time.Time, reader io.ReadSeeker) {
func ServeContentByReadSeeker(ctx *context.Base, filePath string, modTime time.Time, reader io.ReadSeeker) {
httplib.ServeContentByReadSeeker(ctx.Req, ctx.Resp, filePath, modTime, reader)
}