mirror of
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103 lines
3.1 KiB
Go
103 lines
3.1 KiB
Go
package proxy
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import (
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"crypto/cipher"
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"encoding/base64"
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"net/url"
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"sync/atomic"
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"time"
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"github.com/pomerium/pomerium/config"
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"github.com/pomerium/pomerium/internal/encoding"
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"github.com/pomerium/pomerium/internal/encoding/jws"
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"github.com/pomerium/pomerium/internal/httputil"
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"github.com/pomerium/pomerium/internal/sessions"
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"github.com/pomerium/pomerium/internal/sessions/cookie"
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"github.com/pomerium/pomerium/internal/sessions/header"
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"github.com/pomerium/pomerium/internal/sessions/queryparam"
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"github.com/pomerium/pomerium/internal/urlutil"
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"github.com/pomerium/pomerium/pkg/cryptutil"
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)
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type proxyState struct {
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sharedKey string
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sharedCipher cipher.AEAD
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authenticateURL *url.URL
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authenticateDashboardURL *url.URL
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authenticateSigninURL *url.URL
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authenticateSignoutURL *url.URL
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authenticateRefreshURL *url.URL
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encoder encoding.MarshalUnmarshaler
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cookieSecret []byte
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refreshCooldown time.Duration
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sessionStore sessions.SessionStore
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sessionLoaders []sessions.SessionLoader
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jwtClaimHeaders []string
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}
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func newProxyStateFromConfig(cfg *config.Config) (*proxyState, error) {
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err := ValidateOptions(cfg.Options)
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if err != nil {
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return nil, err
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}
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state := new(proxyState)
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state.sharedKey = cfg.Options.SharedKey
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state.sharedCipher, _ = cryptutil.NewAEADCipherFromBase64(cfg.Options.SharedKey)
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state.cookieSecret, _ = base64.StdEncoding.DecodeString(cfg.Options.CookieSecret)
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// used to load and verify JWT tokens signed by the authenticate service
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state.encoder, err = jws.NewHS256Signer([]byte(cfg.Options.SharedKey), cfg.Options.GetAuthenticateURL().Host)
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if err != nil {
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return nil, err
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}
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state.refreshCooldown = cfg.Options.RefreshCooldown
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state.jwtClaimHeaders = cfg.Options.JWTClaimsHeaders
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// errors checked in ValidateOptions
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state.authenticateURL, _ = urlutil.DeepCopy(cfg.Options.AuthenticateURL)
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state.authenticateDashboardURL = state.authenticateURL.ResolveReference(&url.URL{Path: dashboardPath})
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state.authenticateSigninURL = state.authenticateURL.ResolveReference(&url.URL{Path: signinURL})
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state.authenticateSignoutURL = state.authenticateURL.ResolveReference(&url.URL{Path: signoutURL})
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state.authenticateRefreshURL = state.authenticateURL.ResolveReference(&url.URL{Path: refreshURL})
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state.sessionStore, err = cookie.NewStore(func() cookie.Options {
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return cookie.Options{
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Name: cfg.Options.CookieName,
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Domain: cfg.Options.CookieDomain,
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Secure: cfg.Options.CookieSecure,
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HTTPOnly: cfg.Options.CookieHTTPOnly,
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Expire: cfg.Options.CookieExpire,
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}
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}, state.encoder)
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if err != nil {
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return nil, err
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}
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state.sessionLoaders = []sessions.SessionLoader{
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state.sessionStore,
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header.NewStore(state.encoder, httputil.AuthorizationTypePomerium),
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queryparam.NewStore(state.encoder, "pomerium_session")}
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return state, nil
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}
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type atomicProxyState struct {
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value atomic.Value
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}
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func newAtomicProxyState(state *proxyState) *atomicProxyState {
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aps := new(atomicProxyState)
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aps.Store(state)
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return aps
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}
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func (aps *atomicProxyState) Load() *proxyState {
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return aps.value.Load().(*proxyState)
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}
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func (aps *atomicProxyState) Store(state *proxyState) {
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aps.value.Store(state)
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}
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