diff --git a/go.mod b/go.mod index 69a31fdc0..db2250de7 100644 --- a/go.mod +++ b/go.mod @@ -64,7 +64,7 @@ require ( golang.org/x/exp v0.0.0-20230522175609-2e198f4a06a1 golang.org/x/image v0.12.0 golang.org/x/net v0.15.0 - golang.org/x/oauth2 v0.11.0 + golang.org/x/oauth2 v0.12.0 golang.org/x/text v0.13.0 gopkg.in/mcuadros/go-syslog.v2 v2.3.0 gopkg.in/yaml.v3 v3.0.1 diff --git a/go.sum b/go.sum index 239ac1919..690a7d834 100644 --- a/go.sum +++ b/go.sum @@ -766,8 +766,8 @@ golang.org/x/oauth2 v0.0.0-20201109201403-9fd604954f58/go.mod h1:KelEdhl1UZF7XfJ golang.org/x/oauth2 v0.0.0-20201208152858-08078c50e5b5/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A= golang.org/x/oauth2 v0.0.0-20210218202405-ba52d332ba99/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A= golang.org/x/oauth2 v0.0.0-20210819190943-2bc19b11175f/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A= -golang.org/x/oauth2 v0.11.0 h1:vPL4xzxBM4niKCW6g9whtaWVXTJf1U5e4aZxxFx/gbU= -golang.org/x/oauth2 v0.11.0/go.mod h1:LdF7O/8bLR/qWK9DrpXmbHLTouvRHK0SgJl0GmDBchk= +golang.org/x/oauth2 v0.12.0 h1:smVPGxink+n1ZI5pkQa8y6fZT0RW0MgCO5bFpepy4B4= +golang.org/x/oauth2 v0.12.0/go.mod h1:A74bZ3aGXgCY0qaIC9Ahg6Lglin4AMAco8cIv9baba4= golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= diff --git a/vendor/golang.org/x/oauth2/internal/token.go b/vendor/golang.org/x/oauth2/internal/token.go index 58901bda5..e83ddeef0 100644 --- a/vendor/golang.org/x/oauth2/internal/token.go +++ b/vendor/golang.org/x/oauth2/internal/token.go @@ -18,6 +18,7 @@ "strconv" "strings" "sync" + "sync/atomic" "time" ) @@ -115,41 +116,60 @@ func RegisterBrokenAuthHeaderProvider(tokenURL string) {} AuthStyleInHeader AuthStyle = 2 ) -// authStyleCache is the set of tokenURLs we've successfully used via +// LazyAuthStyleCache is a backwards compatibility compromise to let Configs +// have a lazily-initialized AuthStyleCache. +// +// The two users of this, oauth2.Config and oauth2/clientcredentials.Config, +// both would ideally just embed an unexported AuthStyleCache but because both +// were historically allowed to be copied by value we can't retroactively add an +// uncopyable Mutex to them. +// +// We could use an atomic.Pointer, but that was added recently enough (in Go +// 1.18) that we'd break Go 1.17 users where the tests as of 2023-08-03 +// still pass. By using an atomic.Value, it supports both Go 1.17 and +// copying by value, even if that's not ideal. +type LazyAuthStyleCache struct { + v atomic.Value // of *AuthStyleCache +} + +func (lc *LazyAuthStyleCache) Get() *AuthStyleCache { + if c, ok := lc.v.Load().(*AuthStyleCache); ok { + return c + } + c := new(AuthStyleCache) + if !lc.v.CompareAndSwap(nil, c) { + c = lc.v.Load().(*AuthStyleCache) + } + return c +} + +// AuthStyleCache is the set of tokenURLs we've successfully used via // RetrieveToken and which style auth we ended up using. // It's called a cache, but it doesn't (yet?) shrink. It's expected that // the set of OAuth2 servers a program contacts over time is fixed and // small. -var authStyleCache struct { - sync.Mutex - m map[string]AuthStyle // keyed by tokenURL -} - -// ResetAuthCache resets the global authentication style cache used -// for AuthStyleUnknown token requests. -func ResetAuthCache() { - authStyleCache.Lock() - defer authStyleCache.Unlock() - authStyleCache.m = nil +type AuthStyleCache struct { + mu sync.Mutex + m map[string]AuthStyle // keyed by tokenURL } // lookupAuthStyle reports which auth style we last used with tokenURL // when calling RetrieveToken and whether we have ever done so. -func lookupAuthStyle(tokenURL string) (style AuthStyle, ok bool) { - authStyleCache.Lock() - defer authStyleCache.Unlock() - style, ok = authStyleCache.m[tokenURL] +func (c *AuthStyleCache) lookupAuthStyle(tokenURL string) (style AuthStyle, ok bool) { + c.mu.Lock() + defer c.mu.Unlock() + style, ok = c.m[tokenURL] return } // setAuthStyle adds an entry to authStyleCache, documented above. -func setAuthStyle(tokenURL string, v AuthStyle) { - authStyleCache.Lock() - defer authStyleCache.Unlock() - if authStyleCache.m == nil { - authStyleCache.m = make(map[string]AuthStyle) +func (c *AuthStyleCache) setAuthStyle(tokenURL string, v AuthStyle) { + c.mu.Lock() + defer c.mu.Unlock() + if c.m == nil { + c.m = make(map[string]AuthStyle) } - authStyleCache.m[tokenURL] = v + c.m[tokenURL] = v } // newTokenRequest returns a new *http.Request to retrieve a new token @@ -189,10 +209,10 @@ func cloneURLValues(v url.Values) url.Values { return v2 } -func RetrieveToken(ctx context.Context, clientID, clientSecret, tokenURL string, v url.Values, authStyle AuthStyle) (*Token, error) { +func RetrieveToken(ctx context.Context, clientID, clientSecret, tokenURL string, v url.Values, authStyle AuthStyle, styleCache *AuthStyleCache) (*Token, error) { needsAuthStyleProbe := authStyle == 0 if needsAuthStyleProbe { - if style, ok := lookupAuthStyle(tokenURL); ok { + if style, ok := styleCache.lookupAuthStyle(tokenURL); ok { authStyle = style needsAuthStyleProbe = false } else { @@ -222,7 +242,7 @@ func RetrieveToken(ctx context.Context, clientID, clientSecret, tokenURL string, token, err = doTokenRoundTrip(ctx, req) } if needsAuthStyleProbe && err == nil { - setAuthStyle(tokenURL, authStyle) + styleCache.setAuthStyle(tokenURL, authStyle) } // Don't overwrite `RefreshToken` with an empty value // if this was a token refreshing request. diff --git a/vendor/golang.org/x/oauth2/oauth2.go b/vendor/golang.org/x/oauth2/oauth2.go index 9085fabe3..cc7c98c25 100644 --- a/vendor/golang.org/x/oauth2/oauth2.go +++ b/vendor/golang.org/x/oauth2/oauth2.go @@ -58,6 +58,10 @@ type Config struct { // Scope specifies optional requested permissions. Scopes []string + + // authStyleCache caches which auth style to use when Endpoint.AuthStyle is + // the zero value (AuthStyleAutoDetect). + authStyleCache internal.LazyAuthStyleCache } // A TokenSource is anything that can return a token. diff --git a/vendor/golang.org/x/oauth2/token.go b/vendor/golang.org/x/oauth2/token.go index 5ffce9764..5bbb33217 100644 --- a/vendor/golang.org/x/oauth2/token.go +++ b/vendor/golang.org/x/oauth2/token.go @@ -164,7 +164,7 @@ func tokenFromInternal(t *internal.Token) *Token { // This token is then mapped from *internal.Token into an *oauth2.Token which is returned along // with an error.. func retrieveToken(ctx context.Context, c *Config, v url.Values) (*Token, error) { - tk, err := internal.RetrieveToken(ctx, c.ClientID, c.ClientSecret, c.Endpoint.TokenURL, v, internal.AuthStyle(c.Endpoint.AuthStyle)) + tk, err := internal.RetrieveToken(ctx, c.ClientID, c.ClientSecret, c.Endpoint.TokenURL, v, internal.AuthStyle(c.Endpoint.AuthStyle), c.authStyleCache.Get()) if err != nil { if rErr, ok := err.(*internal.RetrieveError); ok { return nil, (*RetrieveError)(rErr) diff --git a/vendor/modules.txt b/vendor/modules.txt index 794b27aca..472c5193a 100644 --- a/vendor/modules.txt +++ b/vendor/modules.txt @@ -870,7 +870,7 @@ golang.org/x/net/ipv4 golang.org/x/net/ipv6 golang.org/x/net/publicsuffix golang.org/x/net/trace -# golang.org/x/oauth2 v0.11.0 +# golang.org/x/oauth2 v0.12.0 ## explicit; go 1.18 golang.org/x/oauth2 golang.org/x/oauth2/internal