mirror of
https://github.com/pomerium/pomerium.git
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128 lines
3.5 KiB
Go
128 lines
3.5 KiB
Go
package proxy
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import (
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"context"
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"crypto/cipher"
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"net/http"
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"net/url"
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"github.com/pomerium/pomerium/config"
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"github.com/pomerium/pomerium/internal/authenticateflow"
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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/sessions"
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"github.com/pomerium/pomerium/internal/sessions/cookie"
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"github.com/pomerium/pomerium/pkg/cryptutil"
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"github.com/pomerium/pomerium/pkg/grpc"
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"github.com/pomerium/pomerium/pkg/grpc/databroker"
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)
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var outboundGRPCConnection = new(grpc.CachedOutboundGRPClientConn)
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type authenticateFlow interface {
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AuthenticateSignInURL(ctx context.Context, queryParams url.Values, redirectURL *url.URL, idpID string) (string, error)
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Callback(w http.ResponseWriter, r *http.Request) error
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}
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type proxyState struct {
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sharedKey []byte
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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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authenticateRefreshURL *url.URL
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encoder encoding.MarshalUnmarshaler
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cookieSecret []byte
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sessionStore sessions.SessionStore
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jwtClaimHeaders config.JWTClaimHeaders
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dataBrokerClient databroker.DataBrokerServiceClient
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programmaticRedirectDomainWhitelist []string
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authenticateFlow authenticateFlow
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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, err = cfg.Options.GetSharedKey()
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if err != nil {
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return nil, err
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}
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state.sharedCipher, err = cryptutil.NewAEADCipher(state.sharedKey)
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if err != nil {
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return nil, err
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}
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state.cookieSecret, err = cfg.Options.GetCookieSecret()
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if err != nil {
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return nil, err
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}
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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(state.sharedKey)
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if err != nil {
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return nil, err
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}
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state.jwtClaimHeaders = cfg.Options.JWTClaimsHeaders
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// errors checked in ValidateOptions
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state.authenticateURL, err = cfg.Options.GetAuthenticateURL()
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if err != nil {
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return nil, err
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}
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state.authenticateDashboardURL = state.authenticateURL.ResolveReference(&url.URL{Path: "/.pomerium/"})
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state.authenticateSigninURL = state.authenticateURL.ResolveReference(&url.URL{Path: signinURL})
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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: true,
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HTTPOnly: cfg.Options.CookieHTTPOnly,
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Expire: cfg.Options.CookieExpire,
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SameSite: cfg.Options.GetCookieSameSite(),
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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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dataBrokerConn, err := outboundGRPCConnection.Get(context.Background(), &grpc.OutboundOptions{
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OutboundPort: cfg.OutboundPort,
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InstallationID: cfg.Options.InstallationID,
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ServiceName: cfg.Options.Services,
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SignedJWTKey: state.sharedKey,
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})
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if err != nil {
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return nil, err
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}
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state.dataBrokerClient = databroker.NewDataBrokerServiceClient(dataBrokerConn)
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state.programmaticRedirectDomainWhitelist = cfg.Options.ProgrammaticRedirectDomainWhitelist
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if cfg.Options.UseStatelessAuthenticateFlow() {
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state.authenticateFlow, err = authenticateflow.NewStateless(
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cfg, state.sessionStore, nil, nil, nil)
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} else {
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state.authenticateFlow, err = authenticateflow.NewStateful(cfg, state.sessionStore)
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}
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if err != nil {
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return nil, err
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}
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return state, nil
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}
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