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Ingresses: Allow . in Exact and Prefix paths. #13799

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Merged
merged 2 commits into from
Aug 19, 2025
Merged

Ingresses: Allow . in Exact and Prefix paths. #13799

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4981f35
feat: Add IETF RFC8615 & RFC3986 support
ZPascal Aug 18, 2025
9de5fde
feat: Simplify the regex pattern
ZPascal Aug 18, 2025
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18 changes: 18 additions & 0 deletions internal/ingress/inspector/inspector_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -44,10 +44,18 @@ var (
PathType: &prefix,
Path: "/xpto/ab0/x_ss-9",
},
{
PathType: &prefix,
Path: "/.well-known/acme-challenge/",
},
{
PathType: &exact,
Path: "/bla/",
},
{
PathType: &exact,
Path: "/.well-known/acme-challenge/",
},
},
},
},
Expand Down Expand Up @@ -101,6 +109,14 @@ var (
PathType: &prefix,
Path: "/lala/xp\ntest",
},
{
PathType: &prefix,
Path: "/$lala/test",
},
{
PathType: &prefix,
Path: "#lala/test",
},
{
Path: "notvalidpathname-panics",
},
Expand Down Expand Up @@ -177,6 +193,8 @@ func TestValidatePathType(t *testing.T) {
aErr("xpto/lala", "Exact"),
aErr("/foo/bar/[a-z]{3}", "Prefix"),
aErr("/lala/xp\ntest", "Prefix"),
aErr("/$lala/test", "Prefix"),
aErr("#lala/test", "Prefix"),
aErr("notvalidpathname-panics", "<nil>"),
),
},
Expand Down
8 changes: 4 additions & 4 deletions internal/ingress/inspector/rules.go
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Original file line number Diff line number Diff line change
Expand Up @@ -28,13 +28,13 @@ var (
invalidSecretsDir = regexp.MustCompile(`/var/run/secrets`)
invalidByLuaDirective = regexp.MustCompile(`.*_by_lua.*`)

// validPathType enforces alphanumeric, -, _ and / characters.
// The field (?i) turns this regex case insensitive
// validPathType enforces alphanumeric, -, _ , . and / characters.
// The field (?i) turns this regex case-insensitive
// The remaining regex says that the string must start with a "/" (^/)
// the group [[:alnum:]\_\-\/]* says that any amount of characters (A-Za-z0-9), _, - and /
// the group [[:alnum:]\_\-\/\.]* says that any amount of characters (A-Za-z0-9), _, - , . and /
// are accepted until the end of the line
// Nothing else is accepted.
validPathType = regexp.MustCompile(`(?i)^/[[:alnum:]\_\-/]*$`)
validPathType = regexp.MustCompile(`(?i)^/[[:alnum:]._\-/]*$`)

invalidRegex = []regexp.Regexp{}
)
Expand Down