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Always return valid go-get meta, even if unauthorized #2010

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Merged
merged 2 commits into from
Jun 26, 2017
Merged

Always return valid go-get meta, even if unauthorized #2010

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ca0951c
Always return valid go-get meta, even if unauthorized
bkcsoft Jun 19, 2017
3b55cbd
don't leak information
bkcsoft Jun 25, 2017
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44 changes: 41 additions & 3 deletions modules/context/context.go
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@ import (
"html/template"
"io"
"net/http"
"path"
"strings"
"time"

Expand All @@ -18,6 +19,7 @@ import (
"code.gitea.io/gitea/modules/base"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"github.com/Unknwon/com"
"github.com/go-macaron/cache"
"github.com/go-macaron/csrf"
"github.com/go-macaron/i18n"
Expand All @@ -33,6 +35,7 @@ type Context struct {
Flash *session.Flash
Session session.Store

Link string // current request URL
User *models.User
IsSigned bool
IsBasicAuth bool
Expand Down Expand Up @@ -154,15 +157,50 @@ func Contexter() macaron.Handler {
csrf: x,
Flash: f,
Session: sess,
Link: setting.AppSubURL + strings.TrimSuffix(c.Req.URL.Path, "/"),
Repo: &Repository{
PullRequest: &PullRequest{},
},
Org: &Organization{},
}
// Compute current URL for real-time change language.
ctx.Data["Link"] = setting.AppSubURL + strings.TrimSuffix(ctx.Req.URL.Path, "/")

c.Data["Link"] = ctx.Link
ctx.Data["PageStartTime"] = time.Now()
// 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.
if ctx.Query("go-get") == "1" {
ownerName := c.Params(":username")
repoName := c.Params(":reponame")
branchName := "master"

owner, err := models.GetUserByName(ownerName)
if err == nil {
repo, err := models.GetRepositoryByName(owner.ID, repoName)
if err == nil && len(repo.DefaultBranch) > 0 {
branchName = repo.DefaultBranch
}
}
prefix := setting.AppURL + path.Join(ownerName, repoName, "src", branchName)
c.PlainText(http.StatusOK, []byte(com.Expand(`
<html>
<head>
<meta name="go-import" content="{GoGetImport} git {CloneLink}">
<meta name="go-source" content="{GoGetImport} _ {GoDocDirectory} {GoDocFile}">
</head>
<body>
go get {GoGetImport}
</body>
</html>
`, map[string]string{
"GoGetImport": path.Join(setting.Domain, setting.AppSubURL, ctx.Link),
"CloneLink": models.ComposeHTTPSCloneURL(ownerName, repoName),
"GoDocDirectory": prefix + "{/dir}",
"GoDocFile": prefix + "{/dir}/{file}#L{line}",
})))
return
}

// Get user from session if logged in.
ctx.User, ctx.IsBasicAuth = auth.SignedInUser(ctx.Context, ctx.Session)
Expand Down