Retract case-insensitive tag functionality (#233)

* Revert "[CHANGE] Tags are now case-sensitive (#225)"

This reverts commit de1f16b.

* retract 2.7.0

Signed-off-by: Alberto Ricart <[email protected]>

---------

Signed-off-by: Alberto Ricart <[email protected]>

Author: aricart

v2/go.mod

@@ -1,9 +1,14 @@
 module github.com/nats-io/jwt/v2
 
-go 1.18
+go 1.22
 
 require github.com/nats-io/nkeys v0.4.7
 
+retract (
+	v2.7.1 // contains retractions only
+	v2.7.0 // includes case insensitive changes to tags that break jetstream placement
+)
+
 require (
 	golang.org/x/crypto v0.19.0 // indirect
 	golang.org/x/sys v0.17.0 // indirect

v2/operator_claims_test.go

@@ -457,9 +457,12 @@ func TestTags(t *testing.T) {
 	if len(oc2.GenericFields.Tags) != 3 {
 		t.Fatal("expected 3 tags")
 	}
+	for _, v := range oc.GenericFields.Tags {
+		AssertFalse(v == "TWO", t)
+	}
 
 	AssertTrue(oc.GenericFields.Tags.Contains("one"), t)
-	AssertTrue(oc.GenericFields.Tags.Contains("TWO"), t)
+	AssertTrue(oc.GenericFields.Tags.Contains("two"), t)
 	AssertTrue(oc.GenericFields.Tags.Contains("three"), t)
 }
 

v2/types.go

@@ -1,5 +1,5 @@
 /*
- * Copyright 2018-2024 The NATS Authors
+ * Copyright 2018-2019 The NATS Authors
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -427,90 +427,51 @@ type TagList []string
 
 // Contains returns true if the list contains the tags
 func (u *TagList) Contains(p string) bool {
-	return u.find(p) != -1
-}
-
-func (u *TagList) Equals(other *TagList) bool {
-	if len(*u) != len(*other) {
-		return false
-	}
-	for _, v := range *u {
-		if other.find(v) == -1 {
-			return false
-		}
-	}
-	return true
-}
-
-func (u *TagList) find(p string) int {
-	for idx, t := range *u {
-		if p == t {
-			return idx
+	p = strings.ToLower(strings.TrimSpace(p))
+	for _, t := range *u {
+		if t == p {
+			return true
 		}
 	}
-	return -1
+	return false
 }
 
 // Add appends 1 or more tags to a list
 func (u *TagList) Add(p ...string) {
 	for _, v := range p {
-		v = strings.TrimSpace(v)
-		if v == "" {
-			continue
-		}
-		if !u.Contains(v) {
+		v = strings.ToLower(strings.TrimSpace(v))
+		if !u.Contains(v) && v != "" {
 			*u = append(*u, v)
 		}
 	}
 }
 
 // Remove removes 1 or more tags from a list
-func (u *TagList) Remove(p ...string) error {
+func (u *TagList) Remove(p ...string) {
 	for _, v := range p {
-		v = strings.TrimSpace(v)
-		idx := u.find(v)
-		if idx != -1 {
-			a := *u
-			*u = append(a[:idx], a[idx+1:]...)
-		} else {
-			return fmt.Errorf("unable to remove tag: %q - not found", v)
+		v = strings.ToLower(strings.TrimSpace(v))
+		for i, t := range *u {
+			if t == v {
+				a := *u
+				*u = append(a[:i], a[i+1:]...)
+				break
+			}
 		}
 	}
-	return nil
 }
 
-type CIDRList []string
+type CIDRList TagList
 
 func (c *CIDRList) Contains(p string) bool {
-	p = strings.ToLower(strings.TrimSpace(p))
-	for _, t := range *c {
-		if t == p {
-			return true
-		}
-	}
-	return false
+	return (*TagList)(c).Contains(p)
 }
 
 func (c *CIDRList) Add(p ...string) {
-	for _, v := range p {
-		v = strings.ToLower(strings.TrimSpace(v))
-		if !c.Contains(v) && v != "" {
-			*c = append(*c, v)
-		}
-	}
+	(*TagList)(c).Add(p...)
 }
 
 func (c *CIDRList) Remove(p ...string) {
-	for _, v := range p {
-		v = strings.ToLower(strings.TrimSpace(v))
-		for i, t := range *c {
-			if t == v {
-				a := *c
-				*c = append(a[:i], a[i+1:]...)
-				break
-			}
-		}
-	}
+	(*TagList)(c).Remove(p...)
 }
 
 func (c *CIDRList) Set(values string) {

v2/types_test.go

@@ -1,5 +1,5 @@
 /*
- * Copyright 2018-2024 The NATS Authors
+ * Copyright 2018 The NATS Authors
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -117,21 +117,19 @@ func TestTagList(t *testing.T) {
 	tags.Add("one")
 
 	AssertEquals(true, tags.Contains("one"), t)
-	AssertEquals(false, tags.Contains("ONE"), t)
+	AssertEquals(true, tags.Contains("ONE"), t)
 	AssertEquals("one", tags[0], t)
 
 	tags.Add("TWO")
 
-	AssertEquals(false, tags.Contains("two"), t)
+	AssertEquals(true, tags.Contains("two"), t)
 	AssertEquals(true, tags.Contains("TWO"), t)
-	AssertEquals("TWO", tags[1], t)
+	AssertEquals("two", tags[1], t)
 
-	err := tags.Remove("ONE")
-	if err == nil {
-		t.Fatal("removing tag that doesn't exist should have failed")
-	}
-	AssertEquals("one", tags[0], t)
-	AssertEquals(true, tags.Contains("TWO"), t)
+	tags.Remove("ONE")
+	AssertEquals("two", tags[0], t)
+	AssertEquals(false, tags.Contains("one"), t)
+	AssertEquals(false, tags.Contains("ONE"), t)
 }
 
 func TestStringList(t *testing.T) {
@@ -429,77 +427,3 @@ func TestInvalidInfo(t *testing.T) {
 		}
 	}
 }
-
-func TestTagList_CasePreservingContains(t *testing.T) {
-	type test struct {
-		v  string
-		a  TagList
-		ok bool
-	}
-
-	tests := []test{
-		{v: "A", a: TagList{}, ok: false},
-		{v: "A", a: TagList{"A"}, ok: true},
-		{v: "a", a: TagList{"A"}, ok: false},
-		{v: "a", a: TagList{"a:hello"}, ok: false},
-		{v: "a:a", a: TagList{"a:c"}, ok: false},
-	}
-
-	for idx, test := range tests {
-		found := test.a.Contains(test.v)
-		if !found && test.ok {
-			t.Errorf("[%d] expected to contain %q", idx, test.v)
-		}
-	}
-}
-
-func TestTagList_Add(t *testing.T) {
-	type test struct {
-		v        string
-		a        TagList
-		shouldBe TagList
-	}
-
-	tests := []test{
-		{v: "A", a: TagList{}, shouldBe: TagList{"A"}},
-		{v: "A", a: TagList{"A"}, shouldBe: TagList{"A"}},
-		{v: "a", a: TagList{"A"}, shouldBe: TagList{"A", "a"}},
-		{v: "a", a: TagList{"a:hello"}, shouldBe: TagList{"a", "a:hello"}},
-		{v: "a:Hello", a: TagList{"a:hello"}, shouldBe: TagList{"a:hello", "a:Hello"}},
-		{v: "a:a", a: TagList{"a:c"}, shouldBe: TagList{"a:a", "a:c"}},
-	}
-
-	for idx, test := range tests {
-		test.a.Add(test.v)
-		if !test.a.Equals(&test.shouldBe) {
-			t.Errorf("[%d] expected lists to be equal: %v", idx, test.a)
-		}
-	}
-}
-
-func TestTagList_Delete(t *testing.T) {
-	type test struct {
-		v          string
-		a          TagList
-		shouldBe   TagList
-		shouldFail bool
-	}
-
-	tests := []test{
-		{v: "A", a: TagList{}, shouldBe: TagList{}, shouldFail: true},
-		{v: "A", a: TagList{"A"}, shouldBe: TagList{}},
-		{v: "a", a: TagList{"A"}, shouldBe: TagList{"A"}, shouldFail: true},
-		{v: "a:Hello", a: TagList{"a:hello"}, shouldBe: TagList{"a:hello"}, shouldFail: true},
-		{v: "a:a", a: TagList{"a:A"}, shouldBe: TagList{"a:A"}, shouldFail: true},
-	}
-
-	for idx, test := range tests {
-		err := test.a.Remove(test.v)
-		if test.shouldFail && err == nil {
-			t.Fatalf("[%d] expected delete to fail: %v", idx, test.a)
-		}
-		if !test.a.Equals(&test.shouldBe) {
-			t.Fatalf("[%d] expected lists to be equal: %v", idx, test.a)
-		}
-	}
-}