1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
package cache
import (
"fmt"
"github.com/MichaelMure/git-bug/entities/identity"
"github.com/MichaelMure/git-bug/entity"
"github.com/MichaelMure/git-bug/repository"
)
type RepoCacheIdentity struct {
*SubCache[*identity.Identity, *IdentityExcerpt, *IdentityCache]
}
func NewRepoCacheIdentity(repo repository.ClockedRepo,
resolvers func() entity.Resolvers,
getUserIdentity getUserIdentityFunc) *RepoCacheIdentity {
makeCached := func(i *identity.Identity, entityUpdated func(id entity.Id) error) *IdentityCache {
return NewIdentityCache(i, repo, entityUpdated)
}
makeIndex := func(i *IdentityCache) []string {
// no indexing
return nil
}
// TODO: this is terribly ugly, but we are currently stuck with the fact that identities are NOT using the fancy dag framework.
// This lead to various complication here and there to handle entities generically, and avoid large code duplication.
// TL;DR: something has to give, and this is the less ugly solution I found. This "normalize" identities as just another "dag framework"
// entity. Ideally identities would be converted to the dag framework, but right now that could lead to potential attack: if an old
// private key is leaked, it would be possible to craft a legal identity update that take over the most recent version. While this is
// meaningless in the case of a normal entity, it's really an issues for identities.
actions := Actions[*identity.Identity]{
ReadWithResolver: func(repo repository.ClockedRepo, resolvers entity.Resolvers, id entity.Id) (*identity.Identity, error) {
return identity.ReadLocal(repo, id)
},
ReadAllWithResolver: func(repo repository.ClockedRepo, resolvers entity.Resolvers) <-chan entity.StreamedEntity[*identity.Identity] {
return identity.ReadAllLocal(repo)
},
Remove: identity.Remove,
RemoveAll: identity.RemoveAll,
MergeAll: func(repo repository.ClockedRepo, resolvers entity.Resolvers, remote string, mergeAuthor identity.Interface) <-chan entity.MergeResult {
return identity.MergeAll(repo, remote)
},
}
sc := NewSubCache[*identity.Identity, *IdentityExcerpt, *IdentityCache](
repo, resolvers, getUserIdentity,
makeCached, NewIdentityExcerpt, makeIndex, actions,
identity.Typename, identity.Namespace,
formatVersion, defaultMaxLoadedBugs,
)
return &RepoCacheIdentity{SubCache: sc}
}
// ResolveIdentityImmutableMetadata retrieve an Identity that has the exact given metadata on
// one of its version. If multiple version have the same key, the first defined take precedence.
func (c *RepoCacheIdentity) ResolveIdentityImmutableMetadata(key string, value string) (*IdentityCache, error) {
return c.ResolveMatcher(func(excerpt *IdentityExcerpt) bool {
return excerpt.ImmutableMetadata[key] == value
})
}
// New create a new identity
// The new identity is written in the repository (commit)
func (c *RepoCacheIdentity) New(name string, email string) (*IdentityCache, error) {
return c.NewRaw(name, email, "", "", nil, nil)
}
// NewFull create a new identity
// The new identity is written in the repository (commit)
func (c *RepoCacheIdentity) NewFull(name string, email string, login string, avatarUrl string, keys []*identity.Key) (*IdentityCache, error) {
return c.NewRaw(name, email, login, avatarUrl, keys, nil)
}
func (c *RepoCacheIdentity) NewRaw(name string, email string, login string, avatarUrl string, keys []*identity.Key, metadata map[string]string) (*IdentityCache, error) {
i, err := identity.NewIdentityFull(c.repo, name, email, login, avatarUrl, keys)
if err != nil {
return nil, err
}
return c.finishIdentity(i, metadata)
}
func (c *RepoCacheIdentity) NewFromGitUser() (*IdentityCache, error) {
return c.NewFromGitUserRaw(nil)
}
func (c *RepoCacheIdentity) NewFromGitUserRaw(metadata map[string]string) (*IdentityCache, error) {
i, err := identity.NewFromGitUser(c.repo)
if err != nil {
return nil, err
}
return c.finishIdentity(i, metadata)
}
func (c *RepoCacheIdentity) finishIdentity(i *identity.Identity, metadata map[string]string) (*IdentityCache, error) {
for key, value := range metadata {
i.SetMetadata(key, value)
}
err := i.Commit(c.repo)
if err != nil {
return nil, err
}
c.mu.Lock()
if _, has := c.cached[i.Id()]; has {
return nil, fmt.Errorf("identity %s already exist in the cache", i.Id())
}
cached := NewIdentityCache(i, c.repo, c.entityUpdated)
c.cached[i.Id()] = cached
c.mu.Unlock()
// force the write of the excerpt
err = c.entityUpdated(i.Id())
if err != nil {
return nil, err
}
return cached, nil
}
|
