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gitea/modules/context/private.go
Wim cb50375e2b
Add more linters to improve code readability (#19989)
Add nakedret, unconvert, wastedassign, stylecheck and nolintlint linters to improve code readability

- nakedret - https://github.com/alexkohler/nakedret - nakedret is a Go static analysis tool to find naked returns in functions greater than a specified function length.
- unconvert - https://github.com/mdempsky/unconvert - Remove unnecessary type conversions
- wastedassign - https://github.com/sanposhiho/wastedassign -  wastedassign finds wasted assignment statements.
- notlintlint -  Reports ill-formed or insufficient nolint directives
- stylecheck - https://staticcheck.io/docs/checks/#ST - keep style consistent
  - excluded: [ST1003 - Poorly chosen identifier](https://staticcheck.io/docs/checks/#ST1003) and [ST1005 - Incorrectly formatted error string](https://staticcheck.io/docs/checks/#ST1005)
2022-06-20 12:02:49 +02:00

86 lines
2.9 KiB
Go

// Copyright 2020 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package context
import (
"context"
"fmt"
"net/http"
"time"
"code.gitea.io/gitea/modules/graceful"
"code.gitea.io/gitea/modules/process"
)
// PrivateContext represents a context for private routes
type PrivateContext struct {
*Context
Override context.Context
}
// 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.Req.Context().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.Req.Context().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.Req.Context().Err()
}
var privateContextKey interface{} = "default_private_context"
// WithPrivateContext set up private context in request
func WithPrivateContext(req *http.Request, ctx *PrivateContext) *http.Request {
return req.WithContext(context.WithValue(req.Context(), privateContextKey, ctx))
}
// 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) {
ctx := &PrivateContext{
Context: &Context{
Resp: NewResponse(w),
Data: map[string]interface{}{},
},
}
defer ctx.Close()
ctx.Req = WithPrivateContext(req, ctx)
ctx.Data["Context"] = 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
}