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client-go/rest: check if url is nil to prevent nil pointer dereference

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Signed-off-by: André Martins <aanm90@gmail.com>

Kubernetes-commit: 94e7b2b8fdb4028b8b9d10ce57b9b33df146beb7
This commit is contained in:
André Martins
2022-08-09 14:19:01 +02:00
committed by Kubernetes Publisher
parent c501ee0eba
commit e9d4627252
1 changed files with 14 additions and 11 deletions
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25
rest/request.go
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@@ -519,14 +519,17 @@ func (r Request) finalURLTemplate() url.URL {
newParams[k] = v
}
r.params = newParams
url := r.URL()
u := r.URL()
if u == nil {
return url.URL{}
}
segments := strings.Split(url.Path, "/")
segments := strings.Split(u.Path, "/")
groupIndex := 0
index := 0
trimmedBasePath := ""
if url != nil && r.c.base != nil && strings.Contains(url.Path, r.c.base.Path) {
p := strings.TrimPrefix(url.Path, r.c.base.Path)
if r.c.base != nil && strings.Contains(u.Path, r.c.base.Path) {
p := strings.TrimPrefix(u.Path, r.c.base.Path)
if !strings.HasPrefix(p, "/") {
p = "/" + p
}
@@ -537,7 +540,7 @@ func (r Request) finalURLTemplate() url.URL {
groupIndex = 1
}
if len(segments) <= 2 {
return *url
return *u
}
const CoreGroupPrefix = "api"
@@ -555,11 +558,11 @@ func (r Request) finalURLTemplate() url.URL {
// outlet here in case more API groups are added in future if ever possible:
// https://kubernetes.io/docs/concepts/overview/kubernetes-api/#api-groups
// if a wrong API groups name is encountered, return the {prefix} for url.Path
url.Path = "/{prefix}"
url.RawQuery = ""
return *url
u.Path = "/{prefix}"
u.RawQuery = ""
return *u
}
//switch segLength := len(segments) - index; segLength {
// switch segLength := len(segments) - index; segLength {
switch {
// case len(segments) - index == 1:
// resource (with no name) do nothing
@@ -582,8 +585,8 @@ func (r Request) finalURLTemplate() url.URL {
segments[index+3] = "{name}"
}
}
url.Path = path.Join(trimmedBasePath, path.Join(segments...))
return *url
u.Path = path.Join(trimmedBasePath, path.Join(segments...))
return *u
}
func (r *Request) tryThrottleWithInfo(ctx context.Context, retryInfo string) error {