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gitea/services/context/private.go
Lunny Xiao 29f149bd9f
Move context from modules to services (#29440)
Since `modules/context` has to depend on `models` and many other
packages, it should be moved from `modules/context` to
`services/context` according to design principles. There is no logic
code change on this PR, only move packages.

- Move `code.gitea.io/gitea/modules/context` to
`code.gitea.io/gitea/services/context`
- Move `code.gitea.io/gitea/modules/contexttest` to
`code.gitea.io/gitea/services/contexttest` because of depending on
context
- Move `code.gitea.io/gitea/modules/upload` to
`code.gitea.io/gitea/services/context/upload` because of depending on
context
2024-02-27 08:12:22 +01:00

85 lines
2.8 KiB
Go

// Copyright 2020 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package context
import (
"context"
"fmt"
"net/http"
"time"
"code.gitea.io/gitea/modules/graceful"
"code.gitea.io/gitea/modules/process"
"code.gitea.io/gitea/modules/web"
web_types "code.gitea.io/gitea/modules/web/types"
)
// PrivateContext represents a context for private routes
type PrivateContext struct {
*Base
Override context.Context
Repo *Repository
}
func init() {
web.RegisterResponseStatusProvider[*PrivateContext](func(req *http.Request) web_types.ResponseStatusProvider {
return req.Context().Value(privateContextKey).(*PrivateContext)
})
}
// Deadline is part of the interface for context.Context and we pass this to the request context
func (ctx *PrivateContext) Deadline() (deadline time.Time, ok bool) {
if ctx.Override != nil {
return ctx.Override.Deadline()
}
return ctx.Base.Deadline()
}
// Done is part of the interface for context.Context and we pass this to the request context
func (ctx *PrivateContext) Done() <-chan struct{} {
if ctx.Override != nil {
return ctx.Override.Done()
}
return ctx.Base.Done()
}
// Err is part of the interface for context.Context and we pass this to the request context
func (ctx *PrivateContext) Err() error {
if ctx.Override != nil {
return ctx.Override.Err()
}
return ctx.Base.Err()
}
var privateContextKey any = "default_private_context"
// GetPrivateContext returns a context for Private routes
func GetPrivateContext(req *http.Request) *PrivateContext {
return req.Context().Value(privateContextKey).(*PrivateContext)
}
// PrivateContexter returns apicontext as middleware
func PrivateContexter() func(http.Handler) http.Handler {
return func(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
base, baseCleanUp := NewBaseContext(w, req)
ctx := &PrivateContext{Base: base}
defer baseCleanUp()
ctx.Base.AppendContextValue(privateContextKey, ctx)
next.ServeHTTP(ctx.Resp, ctx.Req)
})
}
}
// OverrideContext overrides the underlying request context for Done() etc.
// This function should be used when there is a need for work to continue even if the request has been cancelled.
// Primarily this affects hook/post-receive and hook/proc-receive both of which need to continue working even if
// the underlying request has timed out from the ssh/http push
func OverrideContext(ctx *PrivateContext) (cancel context.CancelFunc) {
// We now need to override the request context as the base for our work because even if the request is cancelled we have to continue this work
ctx.Override, _, cancel = process.GetManager().AddTypedContext(graceful.GetManager().HammerContext(), fmt.Sprintf("PrivateContext: %s", ctx.Req.RequestURI), process.RequestProcessType, true)
return cancel
}