141 lines
3.6 KiB
Go
141 lines
3.6 KiB
Go
package barertc
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import (
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"fmt"
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"html/template"
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"net/http"
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"strings"
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"git.kirsle.net/apps/barertc/pkg/config"
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"git.kirsle.net/apps/barertc/pkg/jwt"
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"git.kirsle.net/apps/barertc/pkg/log"
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"git.kirsle.net/apps/barertc/pkg/util"
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)
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// IndexPage returns the HTML template for the chat room.
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func IndexPage() http.HandlerFunc {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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// Load the template, TODO: once on server startup.
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tmpl := template.New("index")
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// Handle a JWT authentication token.
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var (
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tokenStr = r.FormValue("jwt")
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claims = &jwt.Claims{}
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authOK bool
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blocklist = []string{} // cached blocklist from your website, for JWT auth only
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)
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if tokenStr != "" {
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parsed, ok, err := jwt.ParseAndValidate(tokenStr)
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if err != nil {
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w.WriteHeader(http.StatusForbidden)
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w.Write([]byte(
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fmt.Sprintf("Error parsing your JWT token: %s", err),
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))
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return
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}
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authOK = ok
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claims = parsed
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blocklist = GetCachedBlocklist(claims.Subject)
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}
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// Are we enforcing strict JWT authentication?
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if config.Current.JWT.Enabled && config.Current.JWT.Strict && !authOK {
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// Do we have a landing page to redirect to?
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if config.Current.JWT.LandingPageURL != "" {
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w.Header().Add("Location", config.Current.JWT.LandingPageURL)
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w.WriteHeader(http.StatusFound)
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return
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}
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w.WriteHeader(http.StatusForbidden)
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w.Write([]byte(
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"Authentication denied. Please go back and try again.",
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))
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return
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}
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// Variables to give to the front-end page.
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var values = map[string]interface{}{
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// A cache-busting hash for JS and CSS includes.
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"CacheHash": util.RandomString(8),
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// The current website settings.
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"Config": config.Current,
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// Authentication settings.
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"JWTTokenString": tokenStr,
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"JWTAuthOK": authOK,
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"JWTClaims": claims,
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// Cached user blocklist sent by your website.
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"CachedBlocklist": blocklist,
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}
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tmpl.Funcs(template.FuncMap{
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"AsHTML": func(v string) template.HTML {
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return template.HTML(v)
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},
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"AsJS": func(v interface{}) template.JS {
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return template.JS(fmt.Sprintf("%v", v))
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},
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})
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tmpl, err := tmpl.ParseFiles("dist/index.html")
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if err != nil {
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panic(err.Error())
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}
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// END load the template
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log.Info("GET / [%s] %s", r.RemoteAddr, strings.Join([]string{
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r.Header.Get("X-Forwarded-For"),
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r.Header.Get("X-Real-IP"),
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r.Header.Get("User-Agent"),
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util.IPAddress(r),
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}, " "))
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tmpl.ExecuteTemplate(w, "index", values)
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})
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}
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// AboutPage returns the HTML template for the about page.
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func AboutPage() http.HandlerFunc {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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// Load the template, TODO: once on server startup.
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tmpl := template.New("index")
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// Variables to give to the front-end page.
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var values = map[string]interface{}{
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// A cache-busting hash for JS and CSS includes.
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"CacheHash": util.RandomString(8),
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// The current website settings.
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"Config": config.Current,
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}
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tmpl.Funcs(template.FuncMap{
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"AsHTML": func(v string) template.HTML {
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return template.HTML(v)
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},
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})
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tmpl, err := tmpl.ParseFiles("web/templates/about.html")
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if err != nil {
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panic(err.Error())
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}
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tmpl.ExecuteTemplate(w, "index", values)
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})
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}
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// LogoutPage returns the HTML template for the logout page.
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func LogoutPage() http.HandlerFunc {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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// Load the template, TODO: once on server startup.
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tmpl := template.New("index")
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tmpl, err := tmpl.ParseFiles("web/templates/logout.html")
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if err != nil {
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panic(err.Error())
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}
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tmpl.ExecuteTemplate(w, "index", nil)
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})
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}
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