/
web.go
147 lines (136 loc) · 3.58 KB
/
web.go
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package guard
import (
_ "embed"
"net/http"
"net/url"
"sort"
"strconv"
"strings"
"time"
)
//go:embed templates/index.gohtml
var mainTemplateContent string
func (g *Guard) getMain(writer http.ResponseWriter, request *http.Request) {
type response struct {
Users []User
Tokens []Token
Zones []string
Error string
Now time.Time
Second time.Duration
}
ctx := request.Context()
users, err := g.users.List(ctx)
if err != nil {
http.Error(writer, err.Error(), http.StatusInternalServerError)
return
}
tokens, err := g.tokens.List(ctx)
if err != nil {
http.Error(writer, err.Error(), http.StatusInternalServerError)
return
}
zones := g.Zones()
sort.Slice(users, func(i, j int) bool {
return users[i].Name < users[j].Name
})
sort.Slice(tokens, func(i, j int) bool {
if tokens[i].Label == tokens[j].Label {
return tokens[i].CreatedAt.Before(tokens[j].CreatedAt)
}
return tokens[i].Label < tokens[j].Label
})
sort.Strings(zones)
writer.Header().Set("Content-Type", "text/html")
writer.WriteHeader(http.StatusOK)
err = g.templates.main.Execute(writer, response{
Users: users,
Tokens: tokens,
Zones: zones,
Error: request.URL.Query().Get("error"),
Now: time.Now(),
Second: time.Second,
})
if err != nil {
//TODO: log
}
}
func (g *Guard) postTokens(writer http.ResponseWriter, request *http.Request) {
switch request.FormValue("action") {
case "create":
label := request.FormValue("label")
zones := clearSlice(strings.Split(request.FormValue("zones"), ","))
durationRaw := request.FormValue("duration")
var duration time.Duration
if v, err := time.ParseDuration(durationRaw); durationRaw != "" && err != nil {
redirectBack(writer, err)
return
} else {
duration = v
}
token := MustToken(label, zones, duration)
redirectBack(writer, g.tokens.Set(request.Context(), token))
case "delete":
value := request.FormValue("value")
redirectBack(writer, g.tokens.Delete(request.Context(), value))
}
}
func (g *Guard) postBasic(writer http.ResponseWriter, request *http.Request) {
name := request.FormValue("name")
switch request.FormValue("action") {
case "create":
password := request.FormValue("password")
active := request.FormValue("active") == "on"
zones := clearSlice(strings.Split(request.FormValue("zones"), ","))
user := MustUser(name, password, zones)
user.Disabled = !active
redirectBack(writer, g.users.Set(request.Context(), user))
case "delete":
redirectBack(writer, g.users.Delete(request.Context(), name))
case "reset-password":
u, err := g.users.Get(request.Context(), name)
if err != nil {
redirectBack(writer, err)
return
}
err = u.Password(request.FormValue("password"))
if err != nil {
redirectBack(writer, err)
return
}
u.UpdatedAt = time.Now()
redirectBack(writer, g.users.Set(request.Context(), u))
case "change-status":
u, err := g.users.Get(request.Context(), name)
if err != nil {
redirectBack(writer, err)
return
}
status, err := strconv.ParseBool(request.FormValue("nextStatus"))
if err != nil {
redirectBack(writer, err)
return
}
u.Disabled = status
u.UpdatedAt = time.Now()
redirectBack(writer, g.users.Set(request.Context(), u))
}
}
func redirectBack(writer http.ResponseWriter, err error) {
q := ""
if err != nil {
q = "error=" + url.QueryEscape(err.Error())
}
writer.Header().Set("Location", "./?"+q)
writer.WriteHeader(http.StatusSeeOther)
}
func clearSlice(slice []string) []string {
cp := make([]string, 0, len(slice))
for _, v := range slice {
v = strings.TrimSpace(v)
if len(v) > 0 {
cp = append(cp, v)
}
}
return cp
}