Serve pre-defined files in "public", add "security.txt", add CORS header for ".well-known" (#25974)

Replace #25892

Close  #21942
Close  #25464

Major changes:

1. Serve "robots.txt" and ".well-known/security.txt" in the "public"
custom path
* All files in "public/.well-known" can be served, just like
"public/assets"
3. Add a test for ".well-known/security.txt"
4. Simplify the "FileHandlerFunc" logic, now the paths are consistent so
the code can be simpler
5. Add CORS header for ".well-known" endpoints
6. Add logs to tell users they should move some of their legacy custom
public files

```
2023/07/19 13:00:37 cmd/web.go:178:serveInstalled() [E] Found legacy public asset "img" in CustomPath. Please move it to /work/gitea/custom/public/assets/img
2023/07/19 13:00:37 cmd/web.go:182:serveInstalled() [E] Found legacy public asset "robots.txt" in CustomPath. Please move it to /work/gitea/custom/public/robots.txt
```
This PR is not breaking.

---------

Co-authored-by: silverwind <me@silverwind.io>
Co-authored-by: Giteabot <teabot@gitea.io>
This commit is contained in:
wxiaoguang 2023-07-21 20:14:20 +08:00 committed by GitHub
parent 2f0e79e639
commit 52fb936773
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9 changed files with 50 additions and 40 deletions

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@ -15,9 +15,11 @@ import (
_ "net/http/pprof" // Used for debugging if enabled and a web server is running
"code.gitea.io/gitea/modules/container"
"code.gitea.io/gitea/modules/graceful"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/process"
"code.gitea.io/gitea/modules/public"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/routers"
"code.gitea.io/gitea/routers/install"
@ -175,6 +177,20 @@ func serveInstalled(ctx *cli.Context) error {
}
}
// in old versions, user's custom web files are placed in "custom/public", and they were served as "http://domain.com/assets/xxx"
// now, Gitea only serves pre-defined files in the "custom/public" folder basing on the web root, the user should move their custom files to "custom/public/assets"
publicFiles, _ := public.AssetFS().ListFiles(".")
publicFilesSet := container.SetOf(publicFiles...)
publicFilesSet.Remove(".well-known")
publicFilesSet.Remove("assets")
publicFilesSet.Remove("robots.txt")
for _, fn := range publicFilesSet.Values() {
log.Error("Found legacy public asset %q in CustomPath. Please move it to %s/public/assets/%s", fn, setting.CustomPath, fn)
}
if _, err := os.Stat(filepath.Join(setting.CustomPath, "robots.txt")); err == nil {
log.Error(`Found legacy public asset "robots.txt" in CustomPath. Please move it to %s/public/robots.txt`, setting.CustomPath)
}
routers.InitWebInstalled(graceful.GetManager().HammerContext())
// We check that AppDataPath exists here (it should have been created during installation)