gitea/routers/web/goget.go

// Copyright 2021 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 web

import (
	"net/http"
	"net/url"
	"path"
	"strings"

	"code.gitea.io/gitea/models"
	"code.gitea.io/gitea/modules/context"
	"code.gitea.io/gitea/modules/setting"
	"code.gitea.io/gitea/modules/util"
	"github.com/unknwon/com"
)

func goGet(ctx *context.Context) {
	if ctx.Req.Method != "GET" || len(ctx.Req.URL.RawQuery) < 8 || ctx.FormString("go-get") != "1" {
		return
	}

	parts := strings.SplitN(ctx.Req.URL.EscapedPath(), "/", 4)

	if len(parts) < 3 {
		return
	}

	ownerName := parts[1]
	repoName := parts[2]

	// Quick responses appropriate go-get meta with status 200
	// regardless of if user have access to the repository,
	// or the repository does not exist at all.
	// This is particular a workaround for "go get" command which does not respect
	// .netrc file.

	trimmedRepoName := strings.TrimSuffix(repoName, ".git")

	if ownerName == "" || trimmedRepoName == "" {
		_, _ = ctx.Write([]byte(`<!doctype html>
<html>
	<body>
		invalid import path
	</body>
</html>
`))
		ctx.Status(400)
		return
	}
	branchName := setting.Repository.DefaultBranch

	repo, err := models.GetRepositoryByOwnerAndName(ownerName, repoName)
	if err == nil && len(repo.DefaultBranch) > 0 {
		branchName = repo.DefaultBranch
	}
	prefix := setting.AppURL + path.Join(url.PathEscape(ownerName), url.PathEscape(repoName), "src", "branch", util.PathEscapeSegments(branchName))

	appURL, _ := url.Parse(setting.AppURL)

	insecure := ""
	if appURL.Scheme == string(setting.HTTP) {
		insecure = "--insecure "
	}
	ctx.Header().Set("Content-Type", "text/html")
	ctx.Status(http.StatusOK)
	_, _ = ctx.Write([]byte(com.Expand(`<!doctype html>
<html>
	<head>
		<meta name="go-import" content="{GoGetImport} git {CloneLink}">
		<meta name="go-source" content="{GoGetImport} _ {GoDocDirectory} {GoDocFile}">
	</head>
	<body>
		go get {Insecure}{GoGetImport}
	</body>
</html>
`, map[string]string{
		"GoGetImport":    context.ComposeGoGetImport(ownerName, trimmedRepoName),
		"CloneLink":      models.ComposeHTTPSCloneURL(ownerName, repoName),
		"GoDocDirectory": prefix + "{/dir}",
		"GoDocFile":      prefix + "{/dir}/{file}#L{line}",
		"Insecure":       insecure,
	})))
}
Return go-get info on subdirs (#15642) This PR is an alternative to #15628 and makes the go get handler a handler. Fix #15625 Close #15628 Signed-off-by: Andrew Thornton <art27@cantab.net> 2021-05-10 00:50:06 +03:00			`// Copyright 2021 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.`

Refactor routers directory (#15800) * refactor routers directory * move func used for web and api to common * make corsHandler a function to prohibit side efects * rm unused func Co-authored-by: 6543 <6543@obermui.de> 2021-06-09 02:33:54 +03:00			`package web`
Return go-get info on subdirs (#15642) This PR is an alternative to #15628 and makes the go get handler a handler. Fix #15625 Close #15628 Signed-off-by: Andrew Thornton <art27@cantab.net> 2021-05-10 00:50:06 +03:00
			`import (`
			`"net/http"`
			`"net/url"`
			`"path"`
			`"strings"`

			`"code.gitea.io/gitea/models"`
			`"code.gitea.io/gitea/modules/context"`
			`"code.gitea.io/gitea/modules/setting"`
			`"code.gitea.io/gitea/modules/util"`
			`"github.com/unknwon/com"`
			`)`

			`func goGet(ctx *context.Context) {`
Related refactors to ctx.FormX functions (#16567) * use FormTrim if posible * speedup goGet * only convert if nessesary 2021-08-11 18:08:52 +03:00			`if ctx.Req.Method != "GET" \|\| len(ctx.Req.URL.RawQuery) < 8 \|\| ctx.FormString("go-get") != "1" {`
Return go-get info on subdirs (#15642) This PR is an alternative to #15628 and makes the go get handler a handler. Fix #15625 Close #15628 Signed-off-by: Andrew Thornton <art27@cantab.net> 2021-05-10 00:50:06 +03:00			`return`
			`}`

			`parts := strings.SplitN(ctx.Req.URL.EscapedPath(), "/", 4)`

			`if len(parts) < 3 {`
			`return`
			`}`

			`ownerName := parts[1]`
			`repoName := parts[2]`

			`// Quick responses appropriate go-get meta with status 200`
			`// regardless of if user have access to the repository,`
			`// or the repository does not exist at all.`
			`// This is particular a workaround for "go get" command which does not respect`
			`// .netrc file.`

			`trimmedRepoName := strings.TrimSuffix(repoName, ".git")`

			`if ownerName == "" \|\| trimmedRepoName == "" {`
			_, _ = ctx.Write([]byte(`<!doctype html>
			`<html>`
			`<body>`
			`invalid import path`
			`</body>`
			`</html>`
			`))
			`ctx.Status(400)`
			`return`
			`}`
			`branchName := setting.Repository.DefaultBranch`

			`repo, err := models.GetRepositoryByOwnerAndName(ownerName, repoName)`
			`if err == nil && len(repo.DefaultBranch) > 0 {`
			`branchName = repo.DefaultBranch`
			`}`
			`prefix := setting.AppURL + path.Join(url.PathEscape(ownerName), url.PathEscape(repoName), "src", "branch", util.PathEscapeSegments(branchName))`

			`appURL, _ := url.Parse(setting.AppURL)`

			`insecure := ""`
			`if appURL.Scheme == string(setting.HTTP) {`
			`insecure = "--insecure "`
			`}`
			`ctx.Header().Set("Content-Type", "text/html")`
			`ctx.Status(http.StatusOK)`
			_, _ = ctx.Write([]byte(com.Expand(`<!doctype html>
			`<html>`
			`<head>`
			`<meta name="go-import" content="{GoGetImport} git {CloneLink}">`
			`<meta name="go-source" content="{GoGetImport} _ {GoDocDirectory} {GoDocFile}">`
			`</head>`
			`<body>`
			`go get {Insecure}{GoGetImport}`
			`</body>`
			`</html>`
			`, map[string]string{
			`"GoGetImport": context.ComposeGoGetImport(ownerName, trimmedRepoName),`
			`"CloneLink": models.ComposeHTTPSCloneURL(ownerName, repoName),`
			`"GoDocDirectory": prefix + "{/dir}",`
			`"GoDocFile": prefix + "{/dir}/{file}#L{line}",`
			`"Insecure": insecure,`
			`})))`
			`}`