tulip/server/manage-users.go

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package server
import (
"errors"
"github.com/1f349/tulip/database"
"github.com/1f349/tulip/pages"
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"github.com/emersion/go-message/mail"
"github.com/google/uuid"
"github.com/julienschmidt/httprouter"
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"log"
"net/http"
"net/url"
"strconv"
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"strings"
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"time"
)
func (h *HttpServer) ManageUsersGet(rw http.ResponseWriter, req *http.Request, _ httprouter.Params, auth UserAuth) {
offset := 0
q := req.URL.Query()
if q.Has("offset") {
var err error
offset, err = strconv.Atoi(q.Get("offset"))
if err != nil {
http.Error(rw, "400 Bad Request: Invalid offset", http.StatusBadRequest)
return
}
}
var role database.UserRole
var userList []database.User
if h.DbTx(rw, func(tx *database.Tx) (err error) {
role, err = tx.GetUserRole(auth.ID)
if err != nil {
return
}
userList, err = tx.GetUserList(offset)
return
}) {
return
}
if role != database.RoleAdmin {
http.Error(rw, "403 Forbidden", http.StatusForbidden)
return
}
m := map[string]any{
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"ServiceName": h.conf.ServiceName,
"Users": userList,
"Offset": offset,
"EmailShow": req.URL.Query().Has("show-email"),
"CurrentAdmin": auth.ID,
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"Namespace": h.conf.Namespace,
}
if q.Has("edit") {
for _, i := range userList {
if i.Sub == q.Get("edit") {
m["Edit"] = i
goto validEdit
}
}
http.Error(rw, "400 Bad Request: Invalid user to edit", http.StatusBadRequest)
return
}
validEdit:
rw.Header().Set("Content-Type", "text/html")
rw.WriteHeader(http.StatusOK)
pages.RenderPageTemplate(rw, "manage-users", m)
}
func (h *HttpServer) ManageUsersPost(rw http.ResponseWriter, req *http.Request, _ httprouter.Params, auth UserAuth) {
err := req.ParseForm()
if err != nil {
http.Error(rw, "400 Bad Request: Failed to parse form", http.StatusBadRequest)
return
}
var role database.UserRole
if h.DbTx(rw, func(tx *database.Tx) (err error) {
role, err = tx.GetUserRole(auth.ID)
return
}) {
return
}
if role != database.RoleAdmin {
http.Error(rw, "400 Bad Request: Only admin users can manage users", http.StatusBadRequest)
return
}
offset := req.Form.Get("offset")
action := req.Form.Get("action")
name := req.Form.Get("name")
username := req.Form.Get("username")
email := req.Form.Get("email")
newRole, err := parseRoleValue(req.Form.Get("role"))
if err != nil {
http.Error(rw, "400 Bad Request: Invalid role", http.StatusBadRequest)
return
}
active := req.Form.Has("active")
switch action {
case "create":
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// parse email for headers
address, err := mail.ParseAddress(email)
if err != nil {
http.Error(rw, "500 Internal Server Error: Failed to parse user email address", http.StatusInternalServerError)
return
}
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n := strings.IndexByte(address.Address, '@')
// This case should never happen and fail the above address parsing
if n == -1 {
return
}
addrDomain := address.Address[n+1:]
var userSub uuid.UUID
if h.DbTx(rw, func(tx *database.Tx) (err error) {
userSub, err = tx.InsertUser(name, username, "", email, addrDomain == h.conf.Namespace, newRole, active)
return err
}) {
return
}
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u, u2 := uuid.NewString(), uuid.NewString()
h.mailLinkCache.Set(mailLinkKey{mailLinkResetPassword, u}, userSub.String(), time.Now().Add(10*time.Minute))
h.mailLinkCache.Set(mailLinkKey{mailLinkDelete, u2}, userSub.String(), time.Now().Add(10*time.Minute))
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err = h.conf.Mail.SendEmailTemplate("mail-register-admin", "Register", name, address, map[string]any{
"RegisterUrl": h.conf.BaseUrl + "/mail/password/" + u,
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})
if err != nil {
log.Println("[Tulip] Login: Failed to send register email:", err)
http.Error(rw, "500 Internal Server Error: Failed to send register email", http.StatusInternalServerError)
return
}
case "edit":
if h.DbTx(rw, func(tx *database.Tx) error {
sub := req.Form.Get("subject")
return tx.UpdateUser(sub, newRole, active)
}) {
return
}
default:
http.Error(rw, "400 Bad Request: Invalid action", http.StatusBadRequest)
return
}
redirectUrl := url.URL{Path: "/manage/users", RawQuery: url.Values{"offset": []string{offset}}.Encode()}
http.Redirect(rw, req, redirectUrl.String(), http.StatusFound)
}
func parseRoleValue(role string) (database.UserRole, error) {
switch role {
case "member":
return database.RoleMember, nil
case "admin":
return database.RoleAdmin, nil
}
return 0, errors.New("invalid role value")
}