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Clean up various use of escape/unescape functions for URL generation (#6334)

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* Use PathUnescape instead of QueryUnescape when working with branch names

Currently branch names with a '+' fail in certain situations because
QueryUnescape replaces the + character with a blank space.

Using PathUnescape should be better since it is defined as:

// PathUnescape is identical to QueryUnescape except that it does not
// unescape '+' to ' ' (space).

Fixes #6333

* Change error to match new function name

* Add new util function PathEscapeSegments

This function simply runs PathEscape on each segment of a path without
touching the forward slash itself. We want to use this instead of
PathEscape/QueryEscape in most cases because a forward slash is a valid name for a
branch etc... and we don't want that escaped in a URL.

Putting this in new file url.go and also moving a couple similar
functions into that file as well.

* Use EscapePathSegments where appropriate

Replace various uses of EscapePath/EscapeQuery with new
EscapePathSegments. Also remove uncessary uses of various
escape/unescape functions when the text had already been escaped or was
not escaped.

* Reformat comment to make drone build happy

* Remove no longer used url library

* Requested code changes
This commit is contained in:
mrsdizzie 2019-03-18 10:00:23 -04:00 • committed by techknowlogick
parent c151682fae
commit ca46385637
12 changed files with 80 additions and 68 deletions
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3
modules/context/context.go
View file

@ -19,6 +19,7 @@ import (
"code.gitea.io/gitea/modules/base"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/util"
"github.com/Unknwon/com"
"github.com/go-macaron/cache"
"github.com/go-macaron/csrf"
@ -211,7 +212,7 @@ func Contexter() macaron.Handler {
if err == nil && len(repo.DefaultBranch) > 0 {
branchName = repo.DefaultBranch
}
prefix := setting.AppURL + path.Join(url.QueryEscape(ownerName), url.QueryEscape(repoName), "src", "branch", branchName)
prefix := setting.AppURL + path.Join(url.PathEscape(ownerName), url.PathEscape(repoName), "src", "branch", util.PathEscapeSegments(branchName))
c.Header().Set("Content-Type", "text/html")
c.WriteHeader(http.StatusOK)
c.Write([]byte(com.Expand(`<!doctype html>