mirror of
https://github.com/binwiederhier/ntfy.git
synced 2026-06-11 15:58:24 -04:00
260 lines
7.9 KiB
Go
260 lines
7.9 KiB
Go
package user
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import (
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"sync"
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"sync/atomic"
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"testing"
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"github.com/stretchr/testify/require"
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)
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// Cache-only unit tests. Integration with the Manager (loading from the DB,
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// reload-after-mutation, end-to-end Authorize behavior) is covered by the
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// existing TestStoreAuthorizeTopicAccess* tests in manager_test.go via
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// forEachStoreBackend.
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func TestCompileLikeToRegex_Exact(t *testing.T) {
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r := compileLikeToRegex("foo")
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require.True(t, r.MatchString("foo"))
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require.False(t, r.MatchString("foox"))
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require.False(t, r.MatchString("xfoo"))
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}
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func TestCompileLikeToRegex_TrailingPercent(t *testing.T) {
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r := compileLikeToRegex("up%")
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require.True(t, r.MatchString("up"))
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require.True(t, r.MatchString("up123"))
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require.False(t, r.MatchString("xup"))
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}
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func TestCompileLikeToRegex_LeadingAndEmbeddedPercent(t *testing.T) {
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r := compileLikeToRegex("%test%")
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require.True(t, r.MatchString("test"))
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require.True(t, r.MatchString("mytest"))
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require.True(t, r.MatchString("testxxx"))
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require.True(t, r.MatchString("xtestx"))
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require.False(t, r.MatchString("nope"))
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}
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func TestCompileLikeToRegex_EscapedUnderscore(t *testing.T) {
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// "my\_topic" is the stored form of a literal "my_topic" -- the underscore
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// must match itself, NOT act as a SQL one-character wildcard.
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r := compileLikeToRegex(`my\_topic`)
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require.True(t, r.MatchString("my_topic"))
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require.False(t, r.MatchString("myXtopic"))
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require.False(t, r.MatchString("mytopic"))
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}
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func TestCompileLikeToRegex_EscapedUnderscoreAdjacentToPercent(t *testing.T) {
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// "nz\_vip\_%" is the stored form of "nz_vip_*" -- literal "nz_vip_" prefix
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// followed by any suffix.
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r := compileLikeToRegex(`nz\_vip\_%`)
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require.True(t, r.MatchString("nz_vip_"))
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require.True(t, r.MatchString("nz_vip_alpha"))
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require.False(t, r.MatchString("nz_vipX"))
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require.False(t, r.MatchString("nzvip_alpha"))
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}
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func TestCompileLikeToRegex_RegexMetaCharsInTopic(t *testing.T) {
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// Topics in ntfy can include '-', which is benign, but make sure
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// regex metacharacters in the pattern are escaped properly anyway.
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r := compileLikeToRegex("foo-bar")
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require.True(t, r.MatchString("foo-bar"))
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require.False(t, r.MatchString("foo.bar")) // would match if '-' leaked into a character class
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}
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func TestACLCache_LookupOnNilReceiverSafe(t *testing.T) {
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var c *aclCache
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read, write, found := c.Lookup("phil", "mytopic")
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require.False(t, found)
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require.False(t, read)
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require.False(t, write)
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}
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func TestACLCache_LookupBeforeReload(t *testing.T) {
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// Before reload the snapshot pointer is nil. The cache treats this as
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// "no rule found", which the caller resolves via DefaultAccess.
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c := newAccessCache()
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read, write, found := c.Lookup("phil", "mytopic")
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require.False(t, found)
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require.False(t, read)
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require.False(t, write)
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}
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func TestACLCache_ExactMatchHit(t *testing.T) {
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c := newAccessCache()
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c.snap.Store(buildSnapshot(t, []rawACLRow{
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{user: "phil", topic: "mytopic", read: true, write: true},
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}))
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read, write, found := c.Lookup("phil", "mytopic")
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require.True(t, found)
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require.True(t, read)
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require.True(t, write)
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}
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func TestACLCache_ExactMatchMiss(t *testing.T) {
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c := newAccessCache()
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c.snap.Store(buildSnapshot(t, []rawACLRow{
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{user: "phil", topic: "mytopic", read: true, write: true},
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}))
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_, _, found := c.Lookup("phil", "othertopic")
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require.False(t, found)
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}
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func TestACLCache_LiteralUnderscoreExactMatch(t *testing.T) {
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// Stored as "my\_topic" (toSQLWildcard of "my_topic"). A literal underscore
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// in the requested topic must match, while any other single char must not.
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c := newAccessCache()
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c.snap.Store(buildSnapshot(t, []rawACLRow{
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{user: "phil", topic: `my\_topic`, read: true, write: false},
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}))
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read, write, found := c.Lookup("phil", "my_topic")
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require.True(t, found)
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require.True(t, read)
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require.False(t, write)
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_, _, found = c.Lookup("phil", "myXtopic")
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require.False(t, found)
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}
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func TestACLCache_WildcardMatch(t *testing.T) {
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c := newAccessCache()
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c.snap.Store(buildSnapshot(t, []rawACLRow{
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{user: Everyone, topic: "up%", read: false, write: true},
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}))
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read, write, found := c.Lookup("phil", "up42")
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require.True(t, found)
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require.False(t, read)
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require.True(t, write)
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}
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func TestACLCache_SpecificUserBeatsEveryone(t *testing.T) {
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c := newAccessCache()
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c.snap.Store(buildSnapshot(t, []rawACLRow{
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{user: Everyone, topic: "mytopic", read: true, write: false},
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{user: "phil", topic: "mytopic", read: false, write: false}, // deny-all for phil
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}))
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read, write, found := c.Lookup("phil", "mytopic")
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require.True(t, found)
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require.False(t, read)
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require.False(t, write)
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}
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func TestACLCache_AnonymousReadsEveryone(t *testing.T) {
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c := newAccessCache()
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c.snap.Store(buildSnapshot(t, []rawACLRow{
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{user: Everyone, topic: "announcements", read: true, write: false},
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}))
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read, write, found := c.Lookup(Everyone, "announcements")
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require.True(t, found)
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require.True(t, read)
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require.False(t, write)
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}
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func TestACLCache_LongerPatternWinsForSameUser(t *testing.T) {
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// Both rules belong to the same user (Everyone). The more specific (longer)
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// "mytopic%" should beat the catch-all "%".
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c := newAccessCache()
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c.snap.Store(buildSnapshot(t, []rawACLRow{
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{user: Everyone, topic: "%", read: true, write: false},
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{user: Everyone, topic: "mytopic%", read: true, write: true},
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}))
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read, write, found := c.Lookup(Everyone, "mytopicX")
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require.True(t, found)
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require.True(t, read)
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require.True(t, write)
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}
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func TestACLCache_WriteBeatsReadAtEqualLength(t *testing.T) {
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// Two wildcard rules of identical length for the same user. The write rule
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// should win the tie-break.
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c := newAccessCache()
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c.snap.Store(buildSnapshot(t, []rawACLRow{
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{user: Everyone, topic: "ab%", read: true, write: false},
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{user: Everyone, topic: "ab%", read: false, write: true}, // synthesized; impossible via real upsert but exercises the tie-break
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}))
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// One of the two will be the surviving exact-key entry (map collision keeps last);
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// but the wildcard slice is what we want to exercise. Inject two wildcard entries
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// directly to force the tie-break path.
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c.snap.Store(&aclSnapshot{
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exact: map[string]map[string]aclEntry{},
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wildcards: map[string][]aclEntry{
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Everyone: {
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{topic: "ab%", read: true, write: false, matcher: compileLikeToRegex("ab%")},
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{topic: "ab%", read: false, write: true, matcher: compileLikeToRegex("ab%")},
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},
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},
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})
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_, write, found := c.Lookup(Everyone, "abc")
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require.True(t, found)
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require.True(t, write)
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}
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func TestACLCache_ConcurrentLookupAndReload(t *testing.T) {
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// Atomic-pointer swap must be safe under concurrent reads. The race detector
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// catches any unsafe shared mutation.
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c := newAccessCache()
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c.snap.Store(buildSnapshot(t, []rawACLRow{
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{user: Everyone, topic: "mytopic", read: true, write: true},
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}))
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var stop atomic.Bool
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var wg sync.WaitGroup
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wg.Add(2)
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go func() {
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defer wg.Done()
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for !stop.Load() {
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_, _, _ = c.Lookup(Everyone, "mytopic")
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}
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}()
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go func() {
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defer wg.Done()
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for i := 0; i < 100; i++ {
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c.snap.Store(buildSnapshot(t, []rawACLRow{
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{user: Everyone, topic: "mytopic", read: i%2 == 0, write: i%2 == 1},
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}))
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}
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stop.Store(true)
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}()
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wg.Wait()
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}
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// rawACLRow + buildSnapshot mirror the rows that reload would Scan from the DB
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// but avoid actually opening a DB for these unit tests.
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type rawACLRow struct {
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user string
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topic string
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read bool
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write bool
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}
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func buildSnapshot(t *testing.T, rows []rawACLRow) *aclSnapshot {
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t.Helper()
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snap := &aclSnapshot{
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exact: make(map[string]map[string]aclEntry),
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wildcards: make(map[string][]aclEntry),
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}
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for _, r := range rows {
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e := aclEntry{topic: r.topic, read: r.read, write: r.write}
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if containsPercent(r.topic) {
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e.matcher = compileLikeToRegex(r.topic)
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snap.wildcards[r.user] = append(snap.wildcards[r.user], e)
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} else {
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if snap.exact[r.user] == nil {
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snap.exact[r.user] = make(map[string]aclEntry)
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}
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snap.exact[r.user][r.topic] = e
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}
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}
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return snap
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}
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func containsPercent(s string) bool {
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for i := 0; i < len(s); i++ {
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if s[i] == '%' {
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return true
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}
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}
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return false
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}
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