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Commit 86a88695 authored by ale's avatar ale
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Support deploying the SSO server below a URL path prefix 

Likely fixes issue #7 (untested).
parent e502d9e2
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          Showing with 73 additions and 47 deletions
          server/bindata.go
          View file @ 86a88695
          ......@@ -1107,7 +1107,7 @@ func staticJsU2fJs() (*asset, error) {
          var _templatesLogin_otpHtml = []byte(`{{template "header" .}}
          <form class="form-signin" action="/login" method="post">
          <form class="form-signin" action="{{.URLPrefix}}/login" method="post">
          {{.CSRFField}}
          <h1 class="form-signin-heading">Sign In / OTP</h1>
          ......@@ -1138,14 +1138,14 @@ func templatesLogin_otpHtml() (*asset, error) {
          return nil, err
          }
          info := bindataFileInfo{name: "templates/login_otp.html", size: 529, mode: os.FileMode(420), modTime: time.Unix(1535013418, 0)}
          info := bindataFileInfo{name: "templates/login_otp.html", size: 543, mode: os.FileMode(420), modTime: time.Unix(1541234791, 0)}
          a := &asset{bytes: bytes, info: info}
          return a, nil
          }
          var _templatesLogin_passwordHtml = []byte(`{{template "header" .}}
          <form class="form-signin" action="/login" method="post">
          <form class="form-signin" action="{{.URLPrefix}}/login" method="post">
          {{.CSRFField}}
          <h1 class="form-signin-heading">Sign In</h1>
          ......@@ -1198,14 +1198,14 @@ func templatesLogin_passwordHtml() (*asset, error) {
          return nil, err
          }
          info := bindataFileInfo{name: "templates/login_password.html", size: 1074, mode: os.FileMode(420), modTime: time.Unix(1535013418, 0)}
          info := bindataFileInfo{name: "templates/login_password.html", size: 1088, mode: os.FileMode(420), modTime: time.Unix(1541234797, 0)}
          a := &asset{bytes: bytes, info: info}
          return a, nil
          }
          var _templatesLogin_u2fHtml = []byte(`{{template "header" .}}
          <form class="form-signin" id="u2fForm" action="/login" method="post">
          <form class="form-signin" id="u2fForm" action="{{.URLPrefix}}/login" method="post">
          {{.CSRFField}}
          <input type="hidden" id="u2fResponseField" name="u2f_response" value="">
          ......@@ -1238,7 +1238,7 @@ func templatesLogin_u2fHtml() (*asset, error) {
          return nil, err
          }
          info := bindataFileInfo{name: "templates/login_u2f.html", size: 498, mode: os.FileMode(420), modTime: time.Unix(1535013418, 0)}
          info := bindataFileInfo{name: "templates/login_u2f.html", size: 512, mode: os.FileMode(420), modTime: time.Unix(1541234815, 0)}
          a := &asset{bytes: bytes, info: info}
          return a, nil
          }
          ......@@ -1286,7 +1286,7 @@ var _templatesLogoutHtml = []byte(`{{template "header" .}}
          </div>
          {{else}}
          <form class="form-signin" action="/logout" method="post">
          <form class="form-signin" action="{{.URLPrefix}}/logout" method="post">
          {{.CSRFField}}
          <h1 class="form-signin-heading">Sign Out</h1>
          ......@@ -1319,7 +1319,7 @@ func templatesLogoutHtml() (*asset, error) {
          return nil, err
          }
          info := bindataFileInfo{name: "templates/logout.html", size: 1510, mode: os.FileMode(420), modTime: time.Unix(1535013418, 0)}
          info := bindataFileInfo{name: "templates/logout.html", size: 1524, mode: os.FileMode(420), modTime: time.Unix(1541234913, 0)}
          a := &asset{bytes: bytes, info: info}
          return a, nil
          }
          ......@@ -1330,8 +1330,8 @@ var _templatesPageHtml = []byte(`{{define "header"}}<!DOCTYPE html>
          <meta charset="utf-8">
          <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
          {{if .U2FSignRequest}}<meta name="u2f_request" value="{{json .U2FSignRequest}}">{{end}}
          <link rel="stylesheet" href="/static/css/bootstrap.min.css" integrity="sha384-/Y6pD6FV/Vv2HJnA6t+vslU6fwYXjCFtcEpHbNJ0lyAFsXTsjBbfaDjzALeQsN6M">
          <link rel="stylesheet" href="/static/css/signin.css" integrity="sha384-9Y3UkAyM3svAuamEoaXIxe+1MqBKJdZtL8S1FZjvE1XqkICDH7DTXNavnFV8Uk2o">
          <link rel="stylesheet" href="{{.URLPrefix}}/static/css/bootstrap.min.css" integrity="sha384-/Y6pD6FV/Vv2HJnA6t+vslU6fwYXjCFtcEpHbNJ0lyAFsXTsjBbfaDjzALeQsN6M">
          <link rel="stylesheet" href="{{.URLPrefix}}/static/css/signin.css" integrity="sha384-9Y3UkAyM3svAuamEoaXIxe+1MqBKJdZtL8S1FZjvE1XqkICDH7DTXNavnFV8Uk2o">
          <title>Sign In</title>
          </head>
          ......@@ -1342,15 +1342,15 @@ var _templatesPageHtml = []byte(`{{define "header"}}<!DOCTYPE html>
          {{define "footer"}}
          </div>
          <script src="/static/js/jquery-3.2.1.min.js" integrity="sha384-xBuQ/xzmlsLoJpyjoggmTEz8OWUFM0/RC5BsqQBDX2v5cMvDHcMakNTNrHIW2I5f"></script>
          <script src="/static/js/popper-1.11.0.min.js" integrity="sha384-b/U6ypiBEHpOf/4+1nzFpr53nxSS+GLCkfwBdFNTxtclqqenISfwAzpKaMNFNmj4"></script>
          <script src="/static/js/bootstrap-4.0.0-beta.min.js" integrity="sha384-h0AbiXch4ZDo7tp9hKZ4TsHbi047NrKGLO3SEJAg45jXxnGIfYzk4Si90RDIqNm1"></script>
          <script src="{{.URLPrefix}}/static/js/jquery-3.2.1.min.js" integrity="sha384-xBuQ/xzmlsLoJpyjoggmTEz8OWUFM0/RC5BsqQBDX2v5cMvDHcMakNTNrHIW2I5f"></script>
          <script src="{{.URLPrefix}}/static/js/popper-1.11.0.min.js" integrity="sha384-b/U6ypiBEHpOf/4+1nzFpr53nxSS+GLCkfwBdFNTxtclqqenISfwAzpKaMNFNmj4"></script>
          <script src="{{.URLPrefix}}/static/js/bootstrap-4.0.0-beta.min.js" integrity="sha384-h0AbiXch4ZDo7tp9hKZ4TsHbi047NrKGLO3SEJAg45jXxnGIfYzk4Si90RDIqNm1"></script>
          {{if .U2FSignRequest}}
          <script src="/static/js/u2f-api.js" integrity="sha384-9ChevE6pp8ArGK03HgolnFjZbF3webZQtYkwcabzbcI28Lx1/2x2j2fbaAWD4cgR"></script>
          <script src="/static/js/u2f.js" integrity="sha384-7zZy25ajTABErGlCQgcyRDpQDS9QVZv9o+95IfvCjWftQe20f411F1a39Ge5xmCe"></script>
          <script src="{{.URLPrefix}}/static/js/u2f-api.js" integrity="sha384-9ChevE6pp8ArGK03HgolnFjZbF3webZQtYkwcabzbcI28Lx1/2x2j2fbaAWD4cgR"></script>
          <script src="{{.URLPrefix}}/static/js/u2f.js" integrity="sha384-7zZy25ajTABErGlCQgcyRDpQDS9QVZv9o+95IfvCjWftQe20f411F1a39Ge5xmCe"></script>
          {{end}}
          {{if .IncludeLogoutScripts}}
          <script src="/static/js/logout.js" integrity="sha384-lChVngGLNFXetIJTSxc+scDpi1vsBL+7Xa4r2uZpQFP/6Y2z9eCDXe/Y4IUdklRD"></script>
          <script src="{{.URLPrefix}}/static/js/logout.js" integrity="sha384-lChVngGLNFXetIJTSxc+scDpi1vsBL+7Xa4r2uZpQFP/6Y2z9eCDXe/Y4IUdklRD"></script>
          {{end}}
          </body>
          </html>
          ......@@ -1367,7 +1367,7 @@ func templatesPageHtml() (*asset, error) {
          return nil, err
          }
          info := bindataFileInfo{name: "templates/page.html", size: 1617, mode: os.FileMode(420), modTime: time.Unix(1541228908, 0)}
          info := bindataFileInfo{name: "templates/page.html", size: 1729, mode: os.FileMode(420), modTime: time.Unix(1541234783, 0)}
          a := &asset{bytes: bytes, info: info}
          return a, nil
          }
          ......
          server/config.go
          View file @ 86a88695
          ......@@ -4,6 +4,7 @@ import (
          "errors"
          "log"
          "regexp"
          "strings"
          "time"
          "github.com/gorilla/securecookie"
          ......@@ -34,6 +35,7 @@ type Config struct {
          CSRFSecret string `yaml:"csrf_secret"`
          AuthService string `yaml:"auth_service"`
          U2FAppID string `yaml:"u2f_app_id"`
          URLPrefix string `yaml:"url_path_prefix"`
          DeviceManager *device.Config `yaml:"device_manager"`
          KeyStore *clientutil.BackendConfig `yaml:"keystore"`
          ......@@ -57,6 +59,12 @@ func (c *Config) valid() error {
          if c.AuthService == "" {
          return errors.New("auth_service is empty")
          }
          if c.U2FAppID != "" && !strings.HasPrefix(c.U2FAppID, "https://") {
          return errors.New("u2f_app_id does not start with https://")
          }
          if c.URLPrefix != "" && !strings.HasPrefix(c.URLPrefix, "/") {
          return errors.New("url_path_prefix does not start with /")
          }
          // Some things we can autogenerate, but for testing purposes
          // only. Print a warning.
          ......
          server/http.go
          View file @ 86a88695
          ......@@ -90,6 +90,7 @@ type Server struct {
          keystore ksclient.Client
          csrfSecret []byte
          tpl *template.Template
          urlPrefix string
          }
          func sl2bl(sl []string) [][]byte {
          ......@@ -102,19 +103,21 @@ func sl2bl(sl []string) [][]byte {
          // New returns a new Server.
          func New(loginService *LoginService, authClient authclient.Client, config *Config) (*Server, error) {
          urlPrefix := strings.TrimRight(config.URLPrefix, "/")
          sessionSecrets := sl2bl(config.SessionSecrets)
          store := sessions.NewCookieStore(sessionSecrets...)
          store.Options = &sessions.Options{
          HttpOnly: true,
          Secure: true,
          MaxAge: 0,
          Path: "/",
          Path: urlPrefix + "/",
          }
          s := &Server{
          authSessionLifetime: defaultAuthSessionLifetime,
          authSessionStore: store,
          loginService: loginService,
          urlPrefix: urlPrefix,
          tpl: parseEmbeddedTemplates(),
          }
          if config.CSRFSecret != "" {
          ......@@ -137,7 +140,7 @@ func New(loginService *LoginService, authClient authclient.Client, config *Confi
          if err != nil {
          return nil, err
          }
          s.loginHandler = newLoginHandler(s.loginCallback, devMgr, authClient, config.AuthService, config.U2FAppID, s.tpl, sessionSecrets...)
          s.loginHandler = newLoginHandler(s.loginCallback, devMgr, authClient, config.AuthService, config.U2FAppID, config.URLPrefix, s.tpl, sessionSecrets...)
          return s, nil
          }
          ......@@ -182,17 +185,10 @@ func (h *Server) withAuth(f func(http.ResponseWriter, *http.Request, *authSessio
          if err := httpSession.Save(req, w); err != nil {
          log.Printf("error saving session: %v", err)
          }
          http.Redirect(w, req, makeLoginURL(req), http.StatusFound)
          http.Redirect(w, req, h.loginHandler.makeLoginURL(req), http.StatusFound)
          })
          }
          func makeLoginURL(req *http.Request) string {
          // Just concatenate path and raw request string.
          v := make(url.Values)
          v.Set("r", req.URL.Path+"?"+req.URL.RawQuery)
          return "/login?" + v.Encode()
          }
          // Homepage handler. Authorizes an authenticated user to a service by
          // signing a token with the user's identity. The client is redirected
          // back to the service, with the signed token.
          ......@@ -308,14 +304,24 @@ func (h *Server) handleExchange(w http.ResponseWriter, req *http.Request) {
          io.WriteString(w, token) // nolint
          }
          func (h *Server) urlFor(path string) string {
          return h.urlPrefix + path
          }
          // Handler returns the http.Handler for the SSO server application.
          func (h *Server) Handler() http.Handler {
          // The root HTTP handler. This must be a gorilla/mux.Router since
          // sessions depend on it.
          //
          // If a URL prefix is set, we can't just add a StripPrefix in
          // front of everything, as the handlers need access to the
          // actual full request URL, so we just inject the prefix
          // everywhere.
          root := mux.NewRouter()
          // Serve static content to anyone.
          root.PathPrefix("/static/").Handler(http.StripPrefix("/static/", http.FileServer(&assetfs.AssetFS{
          staticPath := h.urlFor("/static/")
          root.PathPrefix(staticPath).Handler(http.StripPrefix(staticPath, http.FileServer(&assetfs.AssetFS{
          Asset: Asset,
          AssetDir: AssetDir,
          AssetInfo: AssetInfo,
          ......@@ -325,8 +331,8 @@ func (h *Server) Handler() http.Handler {
          // Build the main IDP application router, with optional CSRF
          // protection.
          m := http.NewServeMux()
          m.Handle("/login", h.loginHandler)
          m.Handle("/logout", h.withAuth(h.handleLogout))
          m.Handle(h.urlFor("/login"), h.loginHandler)
          m.Handle(h.urlFor("/logout"), h.withAuth(h.handleLogout))
          idph := http.Handler(m)
          if h.csrfSecret != nil {
          idph = csrf.Protect(h.csrfSecret)(idph)
          ......@@ -338,9 +344,9 @@ func (h *Server) Handler() http.Handler {
          ssoh := h.withAuth(h.handleHomepage)
          userh := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
          switch {
          case r.Method == "GET" && r.URL.Path == "/":
          case r.Method == "GET" && r.URL.Path == h.urlFor("/"):
          ssoh.ServeHTTP(w, r)
          case r.URL.Path == "/exchange":
          case r.URL.Path == h.urlFor("/exchange"):
          h.handleExchange(w, r)
          default:
          idph.ServeHTTP(w, r)
          ......@@ -348,7 +354,7 @@ func (h *Server) Handler() http.Handler {
          })
          // User-facing routes require cache-busting and CSP headers.
          root.PathPrefix("/").Handler(withDynamicHeaders(userh))
          root.PathPrefix(h.urlFor("/")).Handler(withDynamicHeaders(userh))
          return root
          }
          ......
          server/login.go
          View file @ 86a88695
          ......@@ -9,6 +9,7 @@ import (
          "html/template"
          "log"
          "net/http"
          "net/url"
          "strings"
          "time"
          ......@@ -73,6 +74,7 @@ type loginHandler struct {
          authClient authclient.Client
          authService string
          u2fAppID string
          urlPrefix string
          devMgr *device.Manager
          loginCallback loginCallbackFunc
          loginSessionStore sessions.Store
          ......@@ -81,7 +83,7 @@ type loginHandler struct {
          // NewLoginHandler will wrap an http.Handler with the login workflow,
          // invoking it only on successful login.
          func newLoginHandler(okHandler loginCallbackFunc, devMgr *device.Manager, authClient authclient.Client, authService, u2fAppID string, tpl *template.Template, keyPairs ...[]byte) *loginHandler {
          func newLoginHandler(okHandler loginCallbackFunc, devMgr *device.Manager, authClient authclient.Client, authService, u2fAppID, urlPrefix string, tpl *template.Template, keyPairs ...[]byte) *loginHandler {
          store := sessions.NewCookieStore(keyPairs...)
          store.Options = &sessions.Options{
          HttpOnly: true,
          ......@@ -92,6 +94,7 @@ func newLoginHandler(okHandler loginCallbackFunc, devMgr *device.Manager, authCl
          authClient: authClient,
          authService: authService,
          u2fAppID: u2fAppID,
          urlPrefix: strings.TrimRight(urlPrefix, "/"),
          devMgr: devMgr,
          loginCallback: okHandler,
          loginSessionStore: store,
          ......@@ -291,10 +294,19 @@ func (l *loginHandler) makeAuthRequest(w http.ResponseWriter, req *http.Request,
          return l.authClient.Authenticate(req.Context(), &ar)
          }
          // Return a (relative) URL that will redirect the user to the login
          // page and set the continue token to the original requested URL.
          func (l *loginHandler) makeLoginURL(req *http.Request) string {
          v := make(url.Values)
          v.Set("r", req.URL.Path+"?"+req.URL.RawQuery)
          return fmt.Sprintf("%s/login?%s", l.urlPrefix, v.Encode())
          }
          // Renders a template to a buffer, with a return value that makes it
          // convenient to use in login handlers.
          func (l *loginHandler) executeTemplateToBuffer(req *http.Request, templateName string, data map[string]interface{}) (loginState, []byte, error) {
          data["CSRFField"] = csrf.TemplateField(req)
          data["URLPrefix"] = l.urlPrefix
          var buf bytes.Buffer
          if err := l.tpl.ExecuteTemplate(&buf, templateName, data); err != nil {
          return loginStateNone, nil, err
          ......
          server/sri.py
          View file @ 86a88695
          ......@@ -12,7 +12,7 @@ import sys
          from hashlib import sha384
          script_rx = re.compile(r'<(?:script|link rel="stylesheet")[^>]*(?:src|href)="([^"]+)"[^>]*>')
          script_rx = re.compile(r'<(?:script|link rel="stylesheet")[^>]*(?:src|href)="(?:{{.URLPrefix}})?([^"]+)"[^>]*>')
          integrity_rx = re.compile(r' +integrity="[^"]*"')
          ......
          server/templates/login_otp.html
          View file @ 86a88695
          {{template "header" .}}
          <form class="form-signin" action="/login" method="post">
          <form class="form-signin" action="{{.URLPrefix}}/login" method="post">
          {{.CSRFField}}
          <h1 class="form-signin-heading">Sign In / OTP</h1>
          ......
          server/templates/login_password.html
          View file @ 86a88695
          {{template "header" .}}
          <form class="form-signin" action="/login" method="post">
          <form class="form-signin" action="{{.URLPrefix}}/login" method="post">
          {{.CSRFField}}
          <h1 class="form-signin-heading">Sign In</h1>
          ......
          server/templates/login_u2f.html
          View file @ 86a88695
          {{template "header" .}}
          <form class="form-signin" id="u2fForm" action="/login" method="post">
          <form class="form-signin" id="u2fForm" action="{{.URLPrefix}}/login" method="post">
          {{.CSRFField}}
          <input type="hidden" id="u2fResponseField" name="u2f_response" value="">
          ......
          server/templates/logout.html
          View file @ 86a88695
          ......@@ -41,7 +41,7 @@
          </div>
          {{else}}
          <form class="form-signin" action="/logout" method="post">
          <form class="form-signin" action="{{.URLPrefix}}/logout" method="post">
          {{.CSRFField}}
          <h1 class="form-signin-heading">Sign Out</h1>
          ......
          server/templates/page.html
          View file @ 86a88695
          ......@@ -4,8 +4,8 @@
          <meta charset="utf-8">
          <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
          {{if .U2FSignRequest}}<meta name="u2f_request" value="{{json .U2FSignRequest}}">{{end}}
          <link rel="stylesheet" href="/static/css/bootstrap.min.css" integrity="sha384-/Y6pD6FV/Vv2HJnA6t+vslU6fwYXjCFtcEpHbNJ0lyAFsXTsjBbfaDjzALeQsN6M">
          <link rel="stylesheet" href="/static/css/signin.css" integrity="sha384-9Y3UkAyM3svAuamEoaXIxe+1MqBKJdZtL8S1FZjvE1XqkICDH7DTXNavnFV8Uk2o">
          <link rel="stylesheet" href="{{.URLPrefix}}/static/css/bootstrap.min.css" integrity="sha384-/Y6pD6FV/Vv2HJnA6t+vslU6fwYXjCFtcEpHbNJ0lyAFsXTsjBbfaDjzALeQsN6M">
          <link rel="stylesheet" href="{{.URLPrefix}}/static/css/signin.css" integrity="sha384-9Y3UkAyM3svAuamEoaXIxe+1MqBKJdZtL8S1FZjvE1XqkICDH7DTXNavnFV8Uk2o">
          <title>Sign In</title>
          </head>
          ......@@ -16,15 +16,15 @@
          {{define "footer"}}
          </div>
          <script src="/static/js/jquery-3.2.1.min.js" integrity="sha384-xBuQ/xzmlsLoJpyjoggmTEz8OWUFM0/RC5BsqQBDX2v5cMvDHcMakNTNrHIW2I5f"></script>
          <script src="/static/js/popper-1.11.0.min.js" integrity="sha384-b/U6ypiBEHpOf/4+1nzFpr53nxSS+GLCkfwBdFNTxtclqqenISfwAzpKaMNFNmj4"></script>
          <script src="/static/js/bootstrap-4.0.0-beta.min.js" integrity="sha384-h0AbiXch4ZDo7tp9hKZ4TsHbi047NrKGLO3SEJAg45jXxnGIfYzk4Si90RDIqNm1"></script>
          <script src="{{.URLPrefix}}/static/js/jquery-3.2.1.min.js" integrity="sha384-xBuQ/xzmlsLoJpyjoggmTEz8OWUFM0/RC5BsqQBDX2v5cMvDHcMakNTNrHIW2I5f"></script>
          <script src="{{.URLPrefix}}/static/js/popper-1.11.0.min.js" integrity="sha384-b/U6ypiBEHpOf/4+1nzFpr53nxSS+GLCkfwBdFNTxtclqqenISfwAzpKaMNFNmj4"></script>
          <script src="{{.URLPrefix}}/static/js/bootstrap-4.0.0-beta.min.js" integrity="sha384-h0AbiXch4ZDo7tp9hKZ4TsHbi047NrKGLO3SEJAg45jXxnGIfYzk4Si90RDIqNm1"></script>
          {{if .U2FSignRequest}}
          <script src="/static/js/u2f-api.js" integrity="sha384-9ChevE6pp8ArGK03HgolnFjZbF3webZQtYkwcabzbcI28Lx1/2x2j2fbaAWD4cgR"></script>
          <script src="/static/js/u2f.js" integrity="sha384-7zZy25ajTABErGlCQgcyRDpQDS9QVZv9o+95IfvCjWftQe20f411F1a39Ge5xmCe"></script>
          <script src="{{.URLPrefix}}/static/js/u2f-api.js" integrity="sha384-9ChevE6pp8ArGK03HgolnFjZbF3webZQtYkwcabzbcI28Lx1/2x2j2fbaAWD4cgR"></script>
          <script src="{{.URLPrefix}}/static/js/u2f.js" integrity="sha384-7zZy25ajTABErGlCQgcyRDpQDS9QVZv9o+95IfvCjWftQe20f411F1a39Ge5xmCe"></script>
          {{end}}
          {{if .IncludeLogoutScripts}}
          <script src="/static/js/logout.js" integrity="sha384-lChVngGLNFXetIJTSxc+scDpi1vsBL+7Xa4r2uZpQFP/6Y2z9eCDXe/Y4IUdklRD"></script>
          <script src="{{.URLPrefix}}/static/js/logout.js" integrity="sha384-lChVngGLNFXetIJTSxc+scDpi1vsBL+7Xa4r2uZpQFP/6Y2z9eCDXe/Y4IUdklRD"></script>
          {{end}}
          </body>
          </html>
          ......
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