Integrate Provider into Options and OauthProxy
This commit is contained in:
parent
e2931da853
commit
d9a945ebc3
6
main.go
6
main.go
@ -50,6 +50,12 @@ func main() {
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flagSet.Bool("request-logging", true, "Log requests to stdout")
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flagSet.String("provider", "", "Oauth provider (defaults to Google)")
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flagSet.String("login-url", "", "Authentication endpoint")
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flagSet.String("redeem-url", "", "Token redemption endpoint")
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flagSet.String("profile-url", "", "Profile access endpoint")
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flagSet.String("scope", "", "Oauth scope specification")
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flagSet.Parse(os.Args[1:])
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if *showVersion {
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@ -15,8 +15,8 @@ import (
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"strings"
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"time"
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"github.com/bitly/go-simplejson"
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"github.com/bitly/google_auth_proxy/api"
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"github.com/bitly/google_auth_proxy/providers"
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)
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const pingPath = "/ping"
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@ -34,6 +34,7 @@ type OauthProxy struct {
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Validator func(string) bool
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redirectUrl *url.URL // the url to receive requests at
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provider providers.Provider
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oauthRedemptionUrl *url.URL // endpoint to redeem the code
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oauthLoginUrl *url.URL // to redirect the user to
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oauthScope string
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@ -83,8 +84,6 @@ func setProxyDirector(proxy *httputil.ReverseProxy) {
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}
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func NewOauthProxy(opts *Options, validator func(string) bool) *OauthProxy {
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login, _ := url.Parse("https://accounts.google.com/o/oauth2/auth")
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redeem, _ := url.Parse("https://accounts.google.com/o/oauth2/token")
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serveMux := http.NewServeMux()
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for _, u := range opts.proxyUrls {
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path := u.Path
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@ -128,9 +127,10 @@ func NewOauthProxy(opts *Options, validator func(string) bool) *OauthProxy {
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clientID: opts.ClientID,
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clientSecret: opts.ClientSecret,
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oauthScope: "profile email",
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oauthRedemptionUrl: redeem,
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oauthLoginUrl: login,
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oauthScope: opts.provider.Data().Scope,
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provider: opts.provider,
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oauthRedemptionUrl: opts.provider.Data().RedeemUrl,
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oauthLoginUrl: opts.provider.Data().LoginUrl,
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serveMux: serveMux,
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redirectUrl: redirectUrl,
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skipAuthRegex: opts.SkipAuthRegex,
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@ -201,23 +201,7 @@ func (p *OauthProxy) redeemCode(host, code string) (string, string, error) {
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return "", "", err
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}
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idToken, err := json.Get("id_token").String()
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if err != nil {
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return "", "", err
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}
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// id_token is a base64 encode ID token payload
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// https://developers.google.com/accounts/docs/OAuth2Login#obtainuserinfo
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jwt := strings.Split(idToken, ".")
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b, err := jwtDecodeSegment(jwt[1])
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if err != nil {
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return "", "", err
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}
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data, err := simplejson.NewJson(b)
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if err != nil {
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return "", "", err
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}
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email, err := data.Get("email").String()
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email, err := p.provider.GetEmailAddress(json, access_token)
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if err != nil {
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return "", "", err
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}
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@ -225,14 +209,6 @@ func (p *OauthProxy) redeemCode(host, code string) (string, string, error) {
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return access_token, email, nil
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}
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func jwtDecodeSegment(seg string) ([]byte, error) {
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if l := len(seg) % 4; l > 0 {
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seg += strings.Repeat("=", 4-l)
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}
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return base64.URLEncoding.DecodeString(seg)
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}
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func (p *OauthProxy) ClearCookie(rw http.ResponseWriter, req *http.Request) {
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domain := req.Host
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if h, _, err := net.SplitHostPort(domain); err == nil {
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37
options.go
37
options.go
@ -6,6 +6,8 @@ import (
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"regexp"
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"strings"
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"time"
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"github.com/bitly/google_auth_proxy/providers"
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)
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// Configuration Options that can be set by Command Line Flag, or Config File
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@ -33,12 +35,21 @@ type Options struct {
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PassBasicAuth bool `flag:"pass-basic-auth" cfg:"pass_basic_auth"`
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PassHostHeader bool `flag:"pass-host-header" cfg:"pass_host_header"`
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// These options allow for other providers besides Google, with
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// potential overrides.
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Provider string `flag:"provider" cfg:"provider"`
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LoginUrl string `flag:"login-url" cfg:"login_url"`
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RedeemUrl string `flag:"redeem-url" cfg:"redeem_url"`
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ProfileUrl string `flag:"profile-url" cfg:"profile_url"`
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Scope string `flag:"scope" cfg:"scope"`
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RequestLogging bool `flag:"request-logging" cfg:"request_logging"`
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// internal values that are set after config validation
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redirectUrl *url.URL
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proxyUrls []*url.URL
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CompiledRegex []*regexp.Regexp
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provider providers.Provider
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}
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func NewOptions() *Options {
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@ -55,6 +66,15 @@ func NewOptions() *Options {
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}
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}
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func parseUrl(to_parse string, urltype string, msgs []string) (*url.URL, []string) {
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parsed, err := url.Parse(to_parse)
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if err != nil {
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return nil, append(msgs, fmt.Sprintf(
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"error parsing %s-url=%q %s", urltype, to_parse, err))
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}
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return parsed, msgs
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}
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func (o *Options) Validate() error {
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msgs := make([]string, 0)
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if len(o.Upstreams) < 1 {
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@ -70,12 +90,7 @@ func (o *Options) Validate() error {
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msgs = append(msgs, "missing setting: client-secret")
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}
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redirectUrl, err := url.Parse(o.RedirectUrl)
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if err != nil {
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msgs = append(msgs, fmt.Sprintf(
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"error parsing redirect-url=%q %s", o.RedirectUrl, err))
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}
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o.redirectUrl = redirectUrl
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o.redirectUrl, msgs = parseUrl(o.RedirectUrl, "redirect", msgs)
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for _, u := range o.Upstreams {
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upstreamUrl, err := url.Parse(u)
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@ -98,6 +113,7 @@ func (o *Options) Validate() error {
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}
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o.CompiledRegex = append(o.CompiledRegex, CompiledRegex)
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}
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msgs = parseProviderInfo(o, msgs)
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if len(msgs) != 0 {
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return fmt.Errorf("Invalid configuration:\n %s",
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@ -105,3 +121,12 @@ func (o *Options) Validate() error {
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}
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return nil
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}
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func parseProviderInfo(o *Options, msgs []string) []string {
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p := &providers.ProviderData{Scope: o.Scope}
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p.LoginUrl, msgs = parseUrl(o.LoginUrl, "login", msgs)
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p.RedeemUrl, msgs = parseUrl(o.RedeemUrl, "redeem", msgs)
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p.ProfileUrl, msgs = parseUrl(o.ProfileUrl, "profile", msgs)
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o.provider = providers.New(o.Provider, p)
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return msgs
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}
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@ -90,3 +90,15 @@ func TestCompiledRegexError(t *testing.T) {
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"unexpected ): `barquux)`"})
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assert.Equal(t, expected, err.Error())
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}
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func TestDefaultProviderApiSettings(t *testing.T) {
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o := testOptions()
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assert.Equal(t, nil, o.Validate())
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p := o.provider.Data()
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assert.Equal(t, "https://accounts.google.com/o/oauth2/auth",
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p.LoginUrl.String())
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assert.Equal(t, "https://accounts.google.com/o/oauth2/token",
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p.RedeemUrl.String())
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assert.Equal(t, "", p.ProfileUrl.String())
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assert.Equal(t, "profile email", p.Scope)
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}
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