mirror of
https://github.com/pomerium/pomerium.git
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3eff6cce13
internal/sessions: session state is domain scoped internal/sessions: infer csrf cookie, route scoped proxy & authenticate: use shared cookie name proxy & authenticate: prevent resaving unchanged session proxy & authenticate: redirect instead of error for no session on login internal/config: merge cookies proxy: remove favicon specific route proxy: use mock server for tests proxy: add tests for failures
107 lines
3 KiB
Go
107 lines
3 KiB
Go
package authenticate // import "github.com/pomerium/pomerium/authenticate"
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import (
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"encoding/base64"
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"errors"
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"fmt"
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"html/template"
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"net/url"
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"github.com/pomerium/pomerium/internal/config"
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"github.com/pomerium/pomerium/internal/cryptutil"
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"github.com/pomerium/pomerium/internal/identity"
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"github.com/pomerium/pomerium/internal/sessions"
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"github.com/pomerium/pomerium/internal/templates"
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)
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// ValidateOptions checks to see if configuration values are valid for the authenticate service.
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// The checks do not modify the internal state of the Option structure. Returns
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// on first error found.
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func ValidateOptions(o *config.Options) error {
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if o.AuthenticateURL == nil {
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return errors.New("authenticate: 'AUTHENTICATE_SERVICE_URL' missing")
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}
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if o.ClientID == "" {
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return errors.New("authenticate: 'IDP_CLIENT_ID' missing")
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}
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if o.ClientSecret == "" {
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return errors.New("authenticate: 'IDP_CLIENT_SECRET' missing")
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}
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if o.SharedKey == "" {
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return errors.New("authenticate: 'SHARED_SECRET' missing")
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}
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decodedCookieSecret, err := base64.StdEncoding.DecodeString(o.CookieSecret)
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if err != nil {
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return fmt.Errorf("authenticate: 'COOKIE_SECRET' must be base64 encoded: %v", err)
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}
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if len(decodedCookieSecret) != 32 {
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return fmt.Errorf("authenticate: 'COOKIE_SECRET' should be 32; got %d", len(decodedCookieSecret))
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}
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return nil
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}
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// Authenticate validates a user's identity
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type Authenticate struct {
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SharedKey string
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RedirectURL *url.URL
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templates *template.Template
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csrfStore sessions.CSRFStore
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sessionStore sessions.SessionStore
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cipher cryptutil.Cipher
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provider identity.Authenticator
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}
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// New validates and creates a new authenticate service from a set of Options
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func New(opts *config.Options) (*Authenticate, error) {
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if opts == nil {
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return nil, errors.New("authenticate: options cannot be nil")
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}
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if err := ValidateOptions(opts); err != nil {
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return nil, err
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}
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decodedCookieSecret, _ := base64.StdEncoding.DecodeString(opts.CookieSecret)
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cipher, err := cryptutil.NewCipher([]byte(decodedCookieSecret))
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if err != nil {
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return nil, err
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}
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cookieStore, err := sessions.NewCookieStore(
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&sessions.CookieStoreOptions{
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Name: opts.CookieName,
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CookieSecure: opts.CookieSecure,
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CookieHTTPOnly: opts.CookieHTTPOnly,
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CookieExpire: opts.CookieExpire,
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CookieCipher: cipher,
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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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redirectURL := opts.AuthenticateURL
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redirectURL.Path = "/oauth2/callback"
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provider, err := identity.New(
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opts.Provider,
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&identity.Provider{
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RedirectURL: redirectURL,
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ProviderName: opts.Provider,
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ProviderURL: opts.ProviderURL,
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ClientID: opts.ClientID,
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ClientSecret: opts.ClientSecret,
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Scopes: opts.Scopes,
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ServiceAccount: opts.ServiceAccount,
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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 &Authenticate{
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SharedKey: opts.SharedKey,
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RedirectURL: redirectURL,
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templates: templates.New(),
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csrfStore: cookieStore,
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sessionStore: cookieStore,
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cipher: cipher,
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provider: provider,
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}, nil
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}
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