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Commit c59e1aaa authored by ale's avatar ale
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Add some template customization options in the config 

Support serving site-specific logo, favicon, and setting a site title.
parent 8c093e64
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    Showing with 142 additions and 54 deletions
    server/bindata.go
    View file @ c59e1aaa
    ......@@ -1118,7 +1118,7 @@ var _templatesLogin_otpHtml = []byte(`{{template "header" .}}
    {{end}}
    <label for="inputOTP" class="sr-only">OTP</label>
    <input type="text" id="inputOTP" name="otp" size="6" class="form-control" required autofocus>
    <input type="text" id="inputOTP" name="otp" size="6" class="form-control" required autofocus autocomplete="off">
    <button type="submit" class="btn btn-primary">Login</button>
    ......@@ -1137,7 +1137,7 @@ func templatesLogin_otpHtml() (*asset, error) {
    return nil, err
    }
    info := bindataFileInfo{name: "templates/login_otp.html", size: 543, mode: os.FileMode(420), modTime: time.Unix(1541234791, 0)}
    info := bindataFileInfo{name: "templates/login_otp.html", size: 562, mode: os.FileMode(420), modTime: time.Unix(1550307595, 0)}
    a := &asset{bytes: bytes, info: info}
    return a, nil
    }
    ......@@ -1164,13 +1164,13 @@ var _templatesLogin_passwordHtml = []byte(`{{template "header" .}}
    value="{{.Username}}"
    {{else}}
    placeholder="Username"
    {{end}} required autofocus>
    {{end}} autocomplete="off" required autofocus>
    <label for="inputPassword" class="sr-only">
    Password
    </label>
    <input type="password" name="password" id="inputPassword"
    class="form-control" placeholder="Password" required>
    class="form-control" placeholder="Password" autocomplete="off" required>
    {{if .AccountRecoveryURL}}
    <p>
    ......@@ -1199,7 +1199,7 @@ func templatesLogin_passwordHtml() (*asset, error) {
    return nil, err
    }
    info := bindataFileInfo{name: "templates/login_password.html", size: 1149, mode: os.FileMode(420), modTime: time.Unix(1542882702, 0)}
    info := bindataFileInfo{name: "templates/login_password.html", size: 1187, mode: os.FileMode(420), modTime: time.Unix(1550307045, 0)}
    a := &asset{bytes: bytes, info: info}
    return a, nil
    }
    ......@@ -1312,7 +1312,8 @@ var _templatesPageHtml = []byte(`{{define "header"}}<!DOCTYPE html>
    {{if .U2FSignRequest}}<meta name="u2f_request" value="{{json .U2FSignRequest}}">{{end}}
    <link rel="stylesheet" href="{{.URLPrefix}}/static/css/bootstrap.min.css" integrity="sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO">
    <link rel="stylesheet" href="{{.URLPrefix}}/static/css/signin.css" integrity="sha384-9Y3UkAyM3svAuamEoaXIxe+1MqBKJdZtL8S1FZjvE1XqkICDH7DTXNavnFV8Uk2o">
    <title>Sign In</title>
    {{if .SiteFavicon}}<link rel="icon" type="image/x-icon" href="{{.URLPrefix}}/favicon.ico">{{end}}
    <title>{{if .SiteName}}{{.SiteName}} - {{end}}Sign In</title>
    </head>
    <body>
    ......@@ -1347,7 +1348,7 @@ func templatesPageHtml() (*asset, error) {
    return nil, err
    }
    info := bindataFileInfo{name: "templates/page.html", size: 1729, mode: os.FileMode(420), modTime: time.Unix(1550305837, 0)}
    info := bindataFileInfo{name: "templates/page.html", size: 1870, mode: os.FileMode(420), modTime: time.Unix(1550311459, 0)}
    a := &asset{bytes: bytes, info: info}
    return a, nil
    }
    ......
    server/config.go
    View file @ c59e1aaa
    ......@@ -42,6 +42,10 @@ type Config struct {
    KeyStoreEnableGroups []string `yaml:"keystore_enable_groups"`
    AccountRecoveryURL string `yaml:"account_recovery_url"`
    SiteName string `yaml:"site_name"`
    SiteLogo string `yaml:"site_logo"`
    SiteFavicon string `yaml:"site_favicon"`
    allowedServicesRx []*regexp.Regexp
    }
    ......
    server/http.go
    View file @ c59e1aaa
    ......@@ -4,15 +4,18 @@ package server
    //go:generate go-bindata --nocompress --pkg server static/... templates/...
    import (
    "bytes"
    "context"
    "encoding/gob"
    "encoding/json"
    "fmt"
    "html/template"
    "io"
    "io/ioutil"
    "log"
    "net/http"
    "net/url"
    "os"
    "strings"
    "time"
    ......@@ -91,9 +94,13 @@ type Server struct {
    keystore ksclient.Client
    keystoreGroups []string
    csrfSecret []byte
    tpl *template.Template
    renderer *renderer
    urlPrefix string
    homepageRedirectURL string
    // User-configurable static data that we serve from memory.
    siteLogo *staticContent
    siteFavicon *staticContent
    }
    func sl2bl(sl []string) [][]byte {
    ......@@ -116,13 +123,14 @@ func New(loginService *LoginService, authClient authclient.Client, config *Confi
    Path: urlPrefix + "/",
    }
    renderer := newRenderer(config)
    s := &Server{
    authSessionLifetime: defaultAuthSessionLifetime,
    authSessionStore: store,
    loginService: loginService,
    urlPrefix: urlPrefix,
    homepageRedirectURL: config.HomepageRedirectURL,
    tpl: parseEmbeddedTemplates(),
    renderer: renderer,
    }
    if config.CSRFSecret != "" {
    s.csrfSecret = []byte(config.CSRFSecret)
    ......@@ -131,6 +139,21 @@ func New(loginService *LoginService, authClient authclient.Client, config *Confi
    s.authSessionLifetime = time.Duration(config.AuthSessionLifetimeSeconds) * time.Second
    }
    if config.SiteLogo != "" {
    siteLogo, err := loadStaticContent(config.SiteLogo)
    if err != nil {
    return nil, err
    }
    s.siteLogo = siteLogo
    }
    if config.SiteFavicon != "" {
    siteFavicon, err := loadStaticContent(config.SiteFavicon)
    if err != nil {
    return nil, err
    }
    s.siteFavicon = siteFavicon
    }
    if config.KeyStore != nil {
    ks, err := ksclient.New(config.KeyStore)
    if err != nil {
    ......@@ -146,8 +169,8 @@ func New(loginService *LoginService, authClient authclient.Client, config *Confi
    return nil, err
    }
    s.loginHandler = newLoginHandler(s.loginCallback, devMgr, authClient,
    config.AuthService, config.U2FAppID, config.URLPrefix, config.AccountRecoveryURL,
    s.tpl, sessionSecrets...)
    config.AuthService, config.U2FAppID, config.URLPrefix,
    renderer, sessionSecrets...)
    return s, nil
    }
    ......@@ -309,11 +332,9 @@ func (h *Server) handleLogout(w http.ResponseWriter, req *http.Request, session
    svcJSON, _ := json.Marshal(svcs) // nolint
    data := map[string]interface{}{
    "CSRFField": csrf.TemplateField(req),
    "URLPrefix": h.urlPrefix,
    "Services": svcs,
    "IncludeLogoutScripts": true,
    "ServicesJSON": string(svcJSON),
    "IncludeLogoutScripts": true,
    }
    // Clear the local session. Ignore errors.
    ......@@ -335,7 +356,13 @@ func (h *Server) handleLogout(w http.ResponseWriter, req *http.Request, session
    w.Header().Set("Content-Security-Policy", logoutContentSecurityPolicy)
    h.tpl.ExecuteTemplate(w, "logout.html", data) // nolint
    body, err := h.renderer.Render(req, "logout.html", data)
    if err != nil {
    log.Printf("template error in logout(): %v", err)
    http.Error(w, err.Error(), http.StatusInternalServerError)
    return
    }
    w.Write(body) // nolint
    }
    func (h *Server) handleExchange(w http.ResponseWriter, req *http.Request) {
    ......@@ -376,6 +403,14 @@ func (h *Server) Handler() http.Handler {
    // everywhere.
    root := mux.NewRouter()
    // If we have customized content, serve it from well-known URLs.
    if h.siteLogo != nil {
    root.Handle(h.urlFor("/img/site_logo"), h.siteLogo)
    }
    if h.siteFavicon != nil {
    root.Handle(h.urlFor("/favicon.ico"), h.siteFavicon)
    }
    // Serve static content to anyone.
    staticPath := h.urlFor("/static/")
    root.PathPrefix(staticPath).Handler(http.StripPrefix(staticPath, http.FileServer(&assetfs.AssetFS{
    ......@@ -458,3 +493,65 @@ func parseEmbeddedTemplates() *template.Template {
    }
    return root
    }
    type renderer struct {
    tpl *template.Template
    urlPrefix string
    siteName string
    siteLogo string
    siteFavicon string
    accountRecoveryURL string
    }
    func newRenderer(config *Config) *renderer {
    return &renderer{
    tpl: parseEmbeddedTemplates(),
    urlPrefix: config.URLPrefix,
    accountRecoveryURL: config.AccountRecoveryURL,
    siteName: config.SiteName,
    siteLogo: config.SiteLogo,
    siteFavicon: config.SiteFavicon,
    }
    }
    func (r *renderer) Render(req *http.Request, templateName string, data map[string]interface{}) ([]byte, error) {
    data["CSRFField"] = csrf.TemplateField(req)
    data["URLPrefix"] = r.urlPrefix
    data["AccountRecoveryURL"] = r.accountRecoveryURL
    data["SiteName"] = r.siteName
    data["SiteLogo"] = r.siteLogo
    data["SiteFavicon"] = r.siteFavicon
    var buf bytes.Buffer
    if err := r.tpl.ExecuteTemplate(&buf, templateName, data); err != nil {
    return nil, err
    }
    return buf.Bytes(), nil
    }
    type staticContent struct {
    modtime time.Time
    name string
    data []byte
    }
    func loadStaticContent(path string) (*staticContent, error) {
    stat, err := os.Stat(path)
    if err != nil {
    return nil, err
    }
    data, err := ioutil.ReadFile(path) // #nosec
    if err != nil {
    return nil, err
    }
    return &staticContent{
    name: path,
    modtime: stat.ModTime(),
    data: data,
    }, nil
    }
    func (c *staticContent) ServeHTTP(w http.ResponseWriter, req *http.Request) {
    http.ServeContent(w, req, c.name, c.modtime, bytes.NewReader(c.data))
    }
    server/login.go
    View file @ c59e1aaa
    package server
    import (
    "bytes"
    "encoding/gob"
    "encoding/json"
    "errors"
    "fmt"
    "html/template"
    "log"
    "net/http"
    "net/url"
    "strings"
    "time"
    "github.com/gorilla/csrf"
    "github.com/gorilla/sessions"
    "github.com/tstranex/u2f"
    "go.opencensus.io/trace"
    ......@@ -72,20 +69,19 @@ func init() {
    type loginCallbackFunc func(http.ResponseWriter, *http.Request, string, string, *auth.UserInfo) error
    type loginHandler struct {
    authClient authclient.Client
    authService string
    u2fAppID string
    urlPrefix string
    devMgr *device.Manager
    loginCallback loginCallbackFunc
    loginSessionStore sessions.Store
    tpl *template.Template
    accountRecoveryURL string
    authClient authclient.Client
    authService string
    u2fAppID string
    urlPrefix string
    devMgr *device.Manager
    loginCallback loginCallbackFunc
    loginSessionStore sessions.Store
    renderer *renderer
    }
    // 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, urlPrefix, accountRecoveryURL string, tpl *template.Template, keyPairs ...[]byte) *loginHandler {
    func newLoginHandler(okHandler loginCallbackFunc, devMgr *device.Manager, authClient authclient.Client, authService, u2fAppID, urlPrefix string, rndr *renderer, keyPairs ...[]byte) *loginHandler {
    store := sessions.NewCookieStore(keyPairs...)
    store.Options = &sessions.Options{
    HttpOnly: true,
    ......@@ -93,15 +89,14 @@ func newLoginHandler(okHandler loginCallbackFunc, devMgr *device.Manager, authCl
    MaxAge: 0,
    }
    return &loginHandler{
    authClient: authClient,
    authService: authService,
    u2fAppID: u2fAppID,
    urlPrefix: strings.TrimRight(urlPrefix, "/"),
    devMgr: devMgr,
    loginCallback: okHandler,
    loginSessionStore: store,
    accountRecoveryURL: accountRecoveryURL,
    tpl: parseEmbeddedTemplates(),
    authClient: authClient,
    authService: authService,
    u2fAppID: u2fAppID,
    urlPrefix: strings.TrimRight(urlPrefix, "/"),
    devMgr: devMgr,
    loginCallback: okHandler,
    loginSessionStore: store,
    renderer: rndr,
    }
    }
    ......@@ -245,7 +240,8 @@ func (l *loginHandler) handlePassword(w http.ResponseWriter, req *http.Request,
    env["Error"] = true
    }
    return l.executeTemplateToBuffer(req, "login_password.html", env)
    body, err := l.renderer.Render(req, "login_password.html", env)
    return loginStateNone, body, err
    }
    // Handle login with password and TOTP.
    ......@@ -265,7 +261,8 @@ func (l *loginHandler) handleOTP(w http.ResponseWriter, req *http.Request, sessi
    env["Error"] = true
    }
    return l.executeTemplateToBuffer(req, "login_otp.html", env)
    body, err := l.renderer.Render(req, "login_otp.html", env)
    return loginStateNone, body, err
    }
    // Handle login with password and hardware token.
    ......@@ -293,7 +290,8 @@ func (l *loginHandler) handleU2F(w http.ResponseWriter, req *http.Request, sessi
    env["Error"] = true
    }
    return l.executeTemplateToBuffer(req, "login_u2f.html", env)
    body, err := l.renderer.Render(req, "login_u2f.html", env)
    return loginStateNone, body, err
    }
    // Make the auth request to the authentication server.
    ......@@ -346,19 +344,6 @@ func (l *loginHandler) makeLoginURL(req *http.Request) string {
    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
    data["AccountRecoveryURL"] = l.accountRecoveryURL
    var buf bytes.Buffer
    if err := l.tpl.ExecuteTemplate(&buf, templateName, data); err != nil {
    return loginStateNone, nil, err
    }
    return loginStateNone, buf.Bytes(), nil
    }
    // Template helper function that encodes its input as JSON.
    func toJSON(obj interface{}) string {
    data, err := json.Marshal(obj)
    ......
    server/templates/page.html
    View file @ c59e1aaa
    ......@@ -6,7 +6,8 @@
    {{if .U2FSignRequest}}<meta name="u2f_request" value="{{json .U2FSignRequest}}">{{end}}
    <link rel="stylesheet" href="{{.URLPrefix}}/static/css/bootstrap.min.css" integrity="sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO">
    <link rel="stylesheet" href="{{.URLPrefix}}/static/css/signin.css" integrity="sha384-9Y3UkAyM3svAuamEoaXIxe+1MqBKJdZtL8S1FZjvE1XqkICDH7DTXNavnFV8Uk2o">
    <title>Sign In</title>
    {{if .SiteFavicon}}<link rel="icon" type="image/x-icon" href="{{.URLPrefix}}/favicon.ico">{{end}}
    <title>{{if .SiteName}}{{.SiteName}} - {{end}}Sign In</title>
    </head>
    <body>
    ......
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