internal/control/adminhost.go

v1.34.1
gitbay/internal/control/adminhost.go history · blame · raw

326 lines · 11105 bytes

  1package control
  2
  3import (
  4	"errors"
  5	"fmt"
  6	"io"
  7	"os"
  8
  9	"golang.org/x/crypto/ssh"
 10
 11	"gitbay.org/gitbay/internal/gitutil"
 12	"gitbay.org/gitbay/internal/lfs"
 13	"gitbay.org/gitbay/internal/mail"
 14	"gitbay.org/gitbay/internal/policy"
 15	"gitbay.org/gitbay/internal/protocol"
 16	"gitbay.org/gitbay/internal/store"
 17)
 18
 19// The account, email, invite and stats commands gitbayd admin used to
 20// implement on its own. They live here so the host binary and an admin
 21// session run the same code; gitbayd admin dispatches into these.
 22
 23func init() {
 24	register(Command{Path: []string{"admin", "user", "create"},
 25		Summary:    "create an account, optionally with a key and a verified address (instance admins)",
 26		Usage:      "admin user create <username> [--admin] [--email <address> [--verified]] [--key -] < key.pub",
 27		ReadsStdin: true, Run: runAdminUserCreate})
 28	register(Command{Path: []string{"admin", "user", "disable"},
 29		Summary: "suspend an account: SSH, web sessions and API tokens refused until re-enabled",
 30		Usage:   "admin user disable <username>",
 31		Run:     runAdminUserDisable})
 32	register(Command{Path: []string{"admin", "user", "enable"},
 33		Summary: "restore a suspended account",
 34		Usage:   "admin user enable <username>",
 35		Run:     runAdminUserEnable})
 36	register(Command{Path: []string{"admin", "user", "delete"},
 37		Summary: "delete an account that anchors nothing (keys, emails and sessions go with it)",
 38		Usage:   "admin user delete <username> --yes",
 39		Run:     runAdminUserDelete})
 40	register(Command{Path: []string{"admin", "email", "verify"},
 41		Summary: "mark an address verified by admin assertion",
 42		Usage:   "admin email verify <username> <address>",
 43		Run:     runAdminEmailVerify})
 44	register(Command{Path: []string{"admin", "invite"},
 45		Summary: "issue a registration invite and mail its code",
 46		Usage:   "admin invite --email <address>",
 47		Run:     runAdminInvite})
 48	register(Command{Path: []string{"admin", "stats"},
 49		Summary:  "instance statistics: counts and per-repository disk usage",
 50		Usage:    "admin stats",
 51		ReadOnly: true, Run: runAdminStats})
 52}
 53
 54func runAdminUserCreate(c *Ctx, args []string) int {
 55	if code := requireInstanceAdmin(c); code >= 0 {
 56		return code
 57	}
 58	f, err := parseFlags(args, flagSpec{Values: []string{"--email", "--key"}, Bools: []string{"--admin", "--verified"}, MaxPos: 1, Usage: c.Cmd.Usage})
 59	if err != nil {
 60		return c.fail(protocol.ExitUsage, "%v", err)
 61	}
 62	username, email := f.pos(0), f.Value("--email")
 63	isAdmin, verified, withKey := f.Has("--admin"), f.Has("--verified"), f.Has("--key")
 64	if withKey && f.Value("--key") != "-" {
 65		return c.fail(protocol.ExitUsage, "--key only supports - (the public key on stdin)")
 66	}
 67	if username == "" || username[0] == '-' {
 68		return c.usage()
 69	}
 70	if username == "" || (verified && email == "") {
 71		return c.usage()
 72	}
 73	if err := policy.ValidateOwnerName(username); err != nil {
 74		return c.failInput(err)
 75	}
 76	// Parse the key before creating anything, so a bad key leaves no
 77	// half-made account behind.
 78	var pub ssh.PublicKey
 79	var comment string
 80	if withKey {
 81		raw, err := io.ReadAll(io.LimitReader(c.Stdin, 64<<10))
 82		if err != nil {
 83			return c.fail(protocol.ExitFailure, "reading key: %v", err)
 84		}
 85		if pub, comment, _, _, err = ssh.ParseAuthorizedKey(raw); err != nil {
 86			return c.fail(protocol.ExitUsage, "not a public key in authorized_keys format: %v", err)
 87		}
 88	}
 89	uid, err := c.Store.CreateUser(username, isAdmin)
 90	if err != nil {
 91		return c.failErr(err)
 92	}
 93	if email != "" {
 94		by := ""
 95		if verified {
 96			by = "admin"
 97		}
 98		if err := c.Store.AddEmail(uid, email, by, true); err != nil {
 99			return c.failErr(err)
100		}
101	}
102	fp := ""
103	if pub != nil {
104		fp = ssh.FingerprintSHA256(pub)
105		label, _ := keyLabel(comment)
106		if err := c.Store.AddSSHKey(uid, fp, pub.Type(), pub.Marshal(), "full", label); err != nil {
107			return c.failErr(err)
108		}
109	}
110	c.Store.Audit(c.User.ID, "admin user.created", map[string]any{"user": username})
111	type out struct {
112		User        string `json:"user"`
113		Admin       bool   `json:"admin,omitempty"`
114		Fingerprint string `json:"fingerprint,omitempty"`
115	}
116	return c.emit(out{username, isAdmin, fp}, func(w io.Writer) {
117		if fp != "" {
118			fmt.Fprintln(w, "key", fp)
119		}
120		fmt.Fprintln(w, "created user", username)
121	})
122}
123
124// adminUserArg resolves the single username argument of an admin command.
125func adminUserArg(c *Ctx, args []string, usage string) (store.User, int) {
126	if code := requireInstanceAdmin(c); code >= 0 {
127		return store.User{}, code
128	}
129	if len(args) != 1 {
130		return store.User{}, c.usage()
131	}
132	u, err := c.Store.UserByUsername(args[0])
133	if errors.Is(err, store.ErrNotFound) {
134		return u, c.fail(protocol.ExitNotFound, "no user %q", args[0])
135	} else if err != nil {
136		return u, c.fail(protocol.ExitFailure, "%v", err)
137	}
138	return u, -1
139}
140
141func runAdminUserDisable(c *Ctx, args []string) int {
142	u, code := adminUserArg(c, args, "admin user disable <username>")
143	if code >= 0 {
144		return code
145	}
146	if err := c.Store.SetUserDisabled(u.ID, true); err != nil {
147		return c.fail(protocol.ExitFailure, "%v", err)
148	}
149	c.Store.Audit(c.User.ID, "admin user.disabled", map[string]any{"user": u.Username})
150	return c.emit(map[string]any{"user": u.Username, "disabled": true}, func(w io.Writer) {
151		fmt.Fprintf(w, "disabled %s: SSH, web sessions, and API tokens are refused; nothing was deleted\n", u.Username)
152	})
153}
154
155func runAdminUserEnable(c *Ctx, args []string) int {
156	u, code := adminUserArg(c, args, "admin user enable <username>")
157	if code >= 0 {
158		return code
159	}
160	if err := c.Store.SetUserDisabled(u.ID, false); err != nil {
161		return c.fail(protocol.ExitFailure, "%v", err)
162	}
163	c.Store.Audit(c.User.ID, "admin user.enabled", map[string]any{"user": u.Username})
164	return c.emit(map[string]any{"user": u.Username, "disabled": false}, func(w io.Writer) {
165		fmt.Fprintf(w, "enabled %s\n", u.Username)
166	})
167}
168
169func runAdminUserDelete(c *Ctx, args []string) int {
170	var rest []string
171	var yes bool
172	for _, a := range args {
173		if a == "--yes" {
174			yes = true
175		} else {
176			rest = append(rest, a)
177		}
178	}
179	u, code := adminUserArg(c, rest, "admin user delete <username> --yes")
180	if code >= 0 {
181		return code
182	}
183	if !yes {
184		return c.fail(protocol.ExitUsage, "deletion is permanent; pass --yes")
185	}
186	if u.ID == c.User.ID {
187		return c.fail(protocol.ExitUsage, "that is your own account")
188	}
189	if err := c.Store.DeleteUser(u.ID); err != nil {
190		return c.failErr(err)
191	}
192	c.Store.Audit(c.User.ID, "admin user.deleted", map[string]any{"user": u.Username})
193	return c.emit(map[string]string{"deleted": u.Username}, func(w io.Writer) {
194		fmt.Fprintf(w, "deleted %s\n", u.Username)
195	})
196}
197
198func runAdminEmailVerify(c *Ctx, args []string) int {
199	if code := requireInstanceAdmin(c); code >= 0 {
200		return code
201	}
202	if len(args) != 2 {
203		return c.usage()
204	}
205	u, err := c.Store.UserByUsername(args[0])
206	if errors.Is(err, store.ErrNotFound) {
207		return c.fail(protocol.ExitNotFound, "no user %q", args[0])
208	} else if err != nil {
209		return c.fail(protocol.ExitFailure, "%v", err)
210	}
211	if err := c.Store.VerifyEmail(u.ID, args[1], "admin"); err != nil {
212		c.Store.Audit(c.User.ID, "admin email.verify_failed", map[string]any{"user": args[0], "email": args[1]})
213		return c.fail(protocol.ExitNotFound, "no address %s on user %s", args[1], args[0])
214	}
215	c.Store.Audit(c.User.ID, "admin email.verified", map[string]any{"user": args[0], "email": args[1]})
216	return c.emit(map[string]string{"user": args[0], "verified": args[1]}, func(w io.Writer) {
217		fmt.Fprintln(w, "verified", args[1])
218	})
219}
220
221func runAdminInvite(c *Ctx, args []string) int {
222	if code := requireInstanceAdmin(c); code >= 0 {
223		return code
224	}
225	email := ""
226	if len(args) == 2 && args[0] == "--email" {
227		email = args[1]
228	}
229	if email == "" {
230		return c.usage()
231	}
232	if used, err := c.Store.EmailInUse(email); err != nil {
233		return c.fail(protocol.ExitFailure, "%v", err)
234	} else if used {
235		return c.fail(protocol.ExitUsage, "%s already belongs to an account; invites are for new users", email)
236	}
237	code, hash, err := store.NewToken()
238	if err != nil {
239		return c.fail(protocol.ExitFailure, "%v", err)
240	}
241	if err := c.Store.CreateInvite(hash, email); err != nil {
242		return c.fail(protocol.ExitFailure, "%v", err)
243	}
244	host := siteHost(c.Cfg)
245	body := fmt.Sprintf(
246		"You have been invited to %s.\n\nCreate your account by running (with the SSH key you want to use):\n\n"+
247			"    ssh git@%s register --username <name> --invite %s\n\n"+
248			"The invite is single-use and tied to this address.\n", host, host, code)
249	type out struct {
250		Email  string `json:"email"`
251		Mailed bool   `json:"mailed"`
252		Code   string `json:"code,omitempty"` // only when it could not be mailed
253	}
254	if c.Cfg.Mail.SMTPHost != "" {
255		if err := mail.Send(c.Cfg, email, "your invite to "+host, body); err != nil {
256			return c.fail(protocol.ExitFailure, "invite stored but mail failed: %v (code: %s)", err, code)
257		}
258		c.Store.Audit(c.User.ID, "admin invite.issued", map[string]any{"email": email})
259		return c.emit(out{Email: email, Mailed: true}, func(w io.Writer) {
260			fmt.Fprintf(w, "invite emailed to %s\n", email)
261		})
262	}
263	return c.emit(out{Email: email, Code: code}, func(w io.Writer) {
264		fmt.Fprintf(w, "invite for %s (no SMTP configured; deliver it yourself):\n%s\n", email, code)
265	})
266}
267
268func runAdminStats(c *Ctx, args []string) int {
269	if code := requireInstanceAdmin(c); code >= 0 {
270		return code
271	}
272	if len(args) != 0 {
273		return c.usage()
274	}
275	counts, err := c.Store.InstanceCounts()
276	if err != nil {
277		return c.fail(protocol.ExitFailure, "%v", err)
278	}
279	repos, err := c.Store.ListAllRepos()
280	if err != nil {
281		return c.fail(protocol.ExitFailure, "%v", err)
282	}
283	type repoDisk struct {
284		Path  string `json:"path"`
285		Bytes int64  `json:"bytes"`
286	}
287	type out struct {
288		Counts    store.Counts `json:"counts"`
289		DBBytes   int64        `json:"db_bytes"`
290		RepoBytes int64        `json:"repo_bytes"`
291		LFSBytes  int64        `json:"lfs_bytes"`
292		Repos     []repoDisk   `json:"repos"`
293	}
294	d := out{Counts: counts, Repos: []repoDisk{}}
295	d.LFSBytes = lfs.LocalStore{Root: lfs.RootFor(c.Cfg.LFS.Root, c.Cfg.Server.Root)}.Size()
296	for _, r := range repos {
297		b := gitutil.DirSize(RepoDir(c.Cfg.Server.Root, r.OwnerName, r.Name))
298		d.Repos = append(d.Repos, repoDisk{r.Path(), b})
299		d.RepoBytes += b
300	}
301	if fi, err := os.Stat(c.Cfg.Server.Root + "/gitbay.db"); err == nil {
302		d.DBBytes = fi.Size()
303	}
304	return c.emit(d, func(w io.Writer) {
305		fmt.Fprintf(w, "users %d · orgs %d · repos %d · issues %d (%d open) · MRs %d (%d open)\n",
306			counts.Users, counts.Orgs, counts.Repos,
307			counts.Issues, counts.OpenIssues, counts.MRs, counts.OpenMRs)
308		fmt.Fprintf(w, "database %s · repositories %s · lfs %s\n\n", humanBytes(d.DBBytes), humanBytes(d.RepoBytes), humanBytes(d.LFSBytes))
309		for _, r := range d.Repos {
310			fmt.Fprintf(w, "%s\t%s\n", r.Path, humanBytes(r.Bytes))
311		}
312	})
313}
314
315func humanBytes(b int64) string {
316	switch {
317	case b >= 1<<30:
318		return fmt.Sprintf("%.1f GiB", float64(b)/(1<<30))
319	case b >= 1<<20:
320		return fmt.Sprintf("%.1f MiB", float64(b)/(1<<20))
321	case b >= 1<<10:
322		return fmt.Sprintf("%.1f KiB", float64(b)/(1<<10))
323	default:
324		return fmt.Sprintf("%d B", b)
325	}
326}