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package forge
import (
"errors"
"net/http"
"net/url"
"os"
"path/filepath"
"slices"
"strconv"
"strings"
"time"
)
const adminSchema = `
create table if not exists settings (
key text primary key,
value text not null
);
create table if not exists redirects (
owner text not null,
name text not null,
repo integer not null references repos(id) on delete cascade,
primary key(owner, name)
);
`
var registrationModes = []string{"open", "invite", "closed"}
type settingEntry struct {
at time.Time
value string
ok bool
}
func (s *Store) Setting(key, fallback string) string {
s.settingsMu.Lock()
e, hit := s.settings[key]
s.settingsMu.Unlock()
if !hit || time.Since(e.at) > 5*time.Second {
e = settingEntry{at: time.Now()}
e.ok = s.db.QueryRow(`select value from settings where key = ?`, key).Scan(&e.value) == nil
s.settingsMu.Lock()
s.settings[key] = e
s.settingsMu.Unlock()
}
if !e.ok {
return fallback
}
return e.value
}
func (s *Store) SetSetting(key, value string) error {
_, err := s.db.Exec(`insert into settings(key, value) values (?, ?) on conflict(key) do update set value = excluded.value`, key, value)
s.settingsMu.Lock()
delete(s.settings, key)
s.settingsMu.Unlock()
return err
}
func (s *Store) Registration() string {
return s.Setting("registration", "open")
}
func validRegistration(mode string) bool {
for _, m := range registrationModes {
if m == mode {
return true
}
}
return false
}
func (s *Store) IsAdmin(id int64) bool {
var admin bool
s.db.QueryRow(`select admin from users where id = ? and banned = 0`, id).Scan(&admin)
return admin
}
var themes = []string{"", "light", "dark", "system"}
func (s *Store) Viewer(id int64) (admin bool, theme string, unread int) {
s.db.QueryRow(`select admin and not banned, theme, (select count(*) from notifications where user = ?1 and unread = 1) from users where id = ?1`, id).Scan(&admin, &theme, &unread)
return
}
func (s *Store) SetTheme(id int64, theme string) error {
if !slices.Contains(themes, theme) {
return errors.New("Unknown theme")
}
_, err := s.db.Exec(`update users set theme = ? where id = ?`, theme, id)
return err
}
func (s *Store) SetAdmin(name string, admin bool) error {
res, err := s.db.Exec(`update users set admin = ? where name = ? and org = 0`, admin, name)
if err != nil {
return err
}
if n, _ := res.RowsAffected(); n == 0 {
return ErrNotFound
}
return nil
}
func (s *Store) AddRedirect(owner, name string, repo int64) {
s.db.Exec(`insert into redirects(owner, name, repo) values (?, ?, ?) on conflict(owner, name) do update set repo = excluded.repo`, owner, name, repo)
}
func (s *Store) Redirect(owner, name string) (Repo, bool) {
var id int64
if err := s.db.QueryRow(`select repo from redirects where owner = ? and name = ?`, owner, name).Scan(&id); err != nil {
if u, ok := s.Renamed(owner); ok {
if repo, err := s.RepoByPath(u.Name, name); err == nil {
return repo, true
}
return s.Redirect(u.Name, name)
}
return Repo{}, false
}
repo, err := s.RepoByID(id)
return repo, err == nil
}
func (s *Store) Invites() []string {
rows, err := s.db.Query(`select code from invites where used = 0 order by rowid desc limit 50`)
if err != nil {
return nil
}
defer rows.Close()
var codes []string
for rows.Next() {
var c string
if rows.Scan(&c) == nil {
codes = append(codes, c)
}
}
return codes
}
type account struct {
User
Admin bool
Banned bool
Org bool
Repos int
}
func (s *Store) Accounts() []account {
rows, err := s.db.Query(`select u.id, u.name, u.created, u.admin, u.banned, u.org, (select count(*) from repos r where r.owner = u.id) from users u order by u.created desc limit 1000`)
if err != nil {
return nil
}
defer rows.Close()
var out []account
for rows.Next() {
var a account
var created int64
if rows.Scan(&a.ID, &a.Name, &created, &a.Admin, &a.Banned, &a.Org, &a.Repos) == nil {
a.Created = time.Unix(created, 0)
out = append(out, a)
}
}
return out
}
var adminSections = []struct{ Key, Title string }{
{"overview", "overview"}, {"people", "people"}, {"signup", "sign up"}, {"projects", "front page"}, {"storage", "storage"},
}
type siteStats struct {
Users, Orgs, Admins, Banned, Repos, Private, Unlisted int
}
func (s *Store) Stats() siteStats {
var st siteStats
s.db.QueryRow(`select coalesce(sum(org = 0 and banned = 0), 0), coalesce(sum(org = 1), 0), coalesce(sum(admin = 1), 0), coalesce(sum(banned = 1), 0) from users`).Scan(&st.Users, &st.Orgs, &st.Admins, &st.Banned)
s.db.QueryRow(`select count(*), coalesce(sum(private = 1), 0), coalesce(sum(private = 2), 0) from repos`).Scan(&st.Repos, &st.Private, &st.Unlisted)
return st
}
func (s *Server) admin(w http.ResponseWriter, r *http.Request) {
u := s.require(w, r)
if u == nil {
return
}
if !s.store.IsAdmin(u.ID) {
s.fail(w, r, 404, "Not found")
return
}
if r.Method == "POST" {
s.adminAction(w, r, u)
return
}
section := r.URL.Query().Get("s")
known := false
for _, sec := range adminSections {
known = known || sec.Key == section
}
if !known {
section = "overview"
}
data := map[string]any{"Section": section, "Sections": adminSections, "Saved": r.URL.Query().Get("saved") != ""}
switch section {
case "overview":
accounts := s.store.Accounts()
data["Stats"] = s.store.Stats()
data["Recent"] = accounts[:min(5, len(accounts))]
data["Registration"] = s.store.Registration()
data["Mail"] = s.mailer != nil
data["Used"] = usage(filepath.Join(s.root, "repos"))
data["Quota"] = readQuota(s.root)
case "people":
q := strings.ToLower(strings.TrimSpace(r.URL.Query().Get("q")))
var shown []account
for _, a := range s.store.Accounts() {
if q == "" || strings.Contains(a.Name, q) {
shown = append(shown, a)
}
}
data["Accounts"], data["Query"] = shown, q
case "signup":
data["Registration"] = s.store.Registration()
data["Invites"] = s.store.Invites()
data["Mail"] = s.mailer != nil
case "projects":
featured, _ := s.store.FeaturedRepos()
ranks := map[int64]int{}
for i, f := range featured {
ranks[f.ID] = i + 1
}
public, _ := s.store.PublicRepos("", "")
data["Ranks"], data["Public"] = ranks, public
case "storage":
quota := readQuota(s.root)
type owner struct {
Name string
Used int64
Pct int
}
var owners []owner
dirs, _ := os.ReadDir(filepath.Join(s.root, "repos"))
for _, d := range dirs {
if !d.IsDir() {
continue
}
used := usage(filepath.Join(s.root, "repos", d.Name()))
pct := 0
if quota > 0 {
pct = int(min(100, used*100/quota))
}
owners = append(owners, owner{d.Name(), used, pct})
}
slices.SortFunc(owners, func(a, b owner) int { return int(b.Used - a.Used) })
if quota == 0 && len(owners) > 0 && owners[0].Used > 0 {
for i := range owners {
owners[i].Pct = max(1, int(owners[i].Used*100/owners[0].Used))
}
}
data["Owners"], data["Quota"], data["QuotaText"] = owners, quota, compactSize(quota)
}
s.render(w, r, "admin", page{Title: "Admin", User: u, Error: r.URL.Query().Get("error"), Data: data})
}
func (s *Server) adminAction(w http.ResponseWriter, r *http.Request, u *User) {
section := r.FormValue("s")
back := "/admin?s=" + url.QueryEscape(section)
fail := func(msg string) {
http.Redirect(w, r, back+"&error="+url.QueryEscape(msg), http.StatusSeeOther)
}
name := strings.TrimPrefix(strings.TrimSpace(r.FormValue("name")), "~")
switch r.FormValue("action") {
case "signup":
mode := r.FormValue("mode")
if !validRegistration(mode) {
fail("Unknown registration mode")
return
}
s.store.SetSetting("registration", mode)
case "invite":
if _, err := s.store.CreateInvite(); err != nil {
fail(err.Error())
return
}
case "revoke":
s.store.RevokeInvite(r.FormValue("code"))
case "quota":
n, err := parseSize(strings.TrimSpace(r.FormValue("quota")))
if err != nil {
fail(err.Error())
return
}
if err := writeQuota(s.root, n); err != nil {
fail(err.Error())
return
}
case "ban", "unban":
if name == u.Name {
fail("You cannot ban yourself")
return
}
if err := s.store.SetBanned(name, r.FormValue("action") == "ban"); err != nil {
fail("No such account")
return
}
case "admin", "unadmin":
if name == u.Name {
fail("You cannot change your own admin rights")
return
}
if err := s.store.SetAdmin(name, r.FormValue("action") == "admin"); err != nil {
fail("No such user")
return
}
case "feature":
owner, repo, ok := strings.Cut(name, "/")
rank, _ := strconv.Atoi(r.FormValue("rank"))
if !ok || rank < 0 || s.store.SetFeatured(owner, repo, rank) != nil {
fail("No such repository")
return
}
default:
fail("Unknown action")
return
}
if q := r.FormValue("q"); q != "" {
back += "&q=" + url.QueryEscape(q)
}
http.Redirect(w, r, back+"&saved=1", http.StatusSeeOther)
}
func (s *Store) RevokeInvite(code string) {
s.db.Exec(`delete from invites where code = ? and used = 0`, code)
}
func (s *Server) newOrg(w http.ResponseWriter, r *http.Request) {
u := s.require(w, r)
if u == nil {
return
}
if r.Method == "GET" {
s.render(w, r, "neworg", page{Title: "New organization", User: u})
return
}
name := strings.TrimSpace(r.FormValue("name"))
if s.limiter.blocked("org:" + u.Name) {
s.render(w, r, "neworg", page{Title: "New organization", User: u, Error: "Too many organizations created recently, try again later", Data: map[string]any{"Name": name}})
return
}
org, err := s.store.CreateOrg(name)
if err == nil {
err = s.store.SetMember(org.ID, u.ID, true)
}
if err != nil {
w.WriteHeader(400)
s.render(w, r, "neworg", page{Title: "New organization", User: u, Error: err.Error(), Data: map[string]any{"Name": name}})
return
}
s.limiter.fail("org:" + u.Name)
http.Redirect(w, r, "/~"+org.Name+"/settings", http.StatusSeeOther)
}
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