1package config
 2
 3import (
 4	"log"
 5	"strings"
 6
 7	gm "github.com/charmbracelet/wish/git"
 8	"github.com/gliderlabs/ssh"
 9)
10
11// Push registers Git push functionality for the given repo and key.
12func (cfg *Config) Push(repo string, pk ssh.PublicKey) {
13	go func() {
14		err := cfg.Reload()
15		if err != nil {
16			log.Printf("error reloading after push: %s", err)
17		}
18		if cfg.Cfg.Callbacks != nil {
19			cfg.Cfg.Callbacks.Push(repo)
20		}
21		r, err := cfg.Source.GetRepo(repo)
22		if err != nil {
23			log.Printf("error getting repo after push: %s", err)
24			return
25		}
26		err = r.UpdateServerInfo()
27		if err != nil {
28			log.Printf("error updating server info after push: %s", err)
29		}
30	}()
31}
32
33// Fetch registers Git fetch functionality for the given repo and key.
34func (cfg *Config) Fetch(repo string, pk ssh.PublicKey) {
35	if cfg.Cfg.Callbacks != nil {
36		cfg.Cfg.Callbacks.Fetch(repo)
37	}
38}
39
40// AuthRepo grants repo authorization to the given key.
41func (cfg *Config) AuthRepo(repo string, pk ssh.PublicKey) gm.AccessLevel {
42	return cfg.accessForKey(repo, pk)
43}
44
45// PasswordHandler returns whether or not password access is allowed.
46func (cfg *Config) PasswordHandler(ctx ssh.Context, password string) bool {
47	return (cfg.AnonAccess != "no-access") && cfg.AllowKeyless
48}
49
50// PublicKeyHandler returns whether or not the given public key may access the
51// repo.
52func (cfg *Config) PublicKeyHandler(ctx ssh.Context, pk ssh.PublicKey) bool {
53	return cfg.accessForKey("", pk) != gm.NoAccess
54}
55
56func (cfg *Config) accessForKey(repo string, pk ssh.PublicKey) gm.AccessLevel {
57	private := cfg.isPrivate(repo)
58	for _, u := range cfg.Users {
59		for _, k := range u.PublicKeys {
60			apk, _, _, _, err := ssh.ParseAuthorizedKey([]byte(strings.TrimSpace(k)))
61			if err != nil {
62				log.Printf("error: malformed authorized key: '%s'", k)
63				return gm.NoAccess
64			}
65			if ssh.KeysEqual(pk, apk) {
66				if u.Admin {
67					return gm.AdminAccess
68				}
69				for _, r := range u.CollabRepos {
70					if repo == r {
71						return gm.ReadWriteAccess
72					}
73				}
74				if !private {
75					return gm.ReadOnlyAccess
76				}
77			}
78		}
79	}
80	if private && len(cfg.Users) > 0 {
81		return gm.NoAccess
82	}
83	switch cfg.AnonAccess {
84	case "no-access":
85		return gm.NoAccess
86	case "read-only":
87		return gm.ReadOnlyAccess
88	case "read-write":
89		return gm.ReadWriteAccess
90	default:
91		return gm.NoAccess
92	}
93}