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refactor: cleanup isDNSLinkName mess
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -39,6 +39,11 @@ type API interface { | |
| // exist due to a missing link, it should return an error of type: | ||
| // https://pkg.go.dev/github.com/ipfs/[email protected]/resolver#ErrNoLink | ||
| ResolvePath(context.Context, path.Path) (path.Resolved, error) | ||
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| // HasDNSLinkRecord returns if the provided path has a DNSLink TXT record. | ||
| // It does not perform any validation, only checks for the existence of | ||
| // a DNSLink TXT record. | ||
| HasDNSLinkRecord(context.Context, string) bool | ||
| } | ||
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| // A helper function to clean up a set of headers: | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,105 @@ | ||
| package gateway | ||
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| import ( | ||
| "context" | ||
| "errors" | ||
| "strings" | ||
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| cid "github.com/ipfs/go-cid" | ||
| "github.com/ipfs/go-datastore" | ||
| syncds "github.com/ipfs/go-datastore/sync" | ||
| "github.com/ipfs/go-libipfs/blocks" | ||
| "github.com/ipfs/go-libipfs/files" | ||
| "github.com/ipfs/go-namesys" | ||
| path "github.com/ipfs/go-path" | ||
| iface "github.com/ipfs/interface-go-ipfs-core" | ||
| nsopts "github.com/ipfs/interface-go-ipfs-core/options/namesys" | ||
| ipath "github.com/ipfs/interface-go-ipfs-core/path" | ||
| "github.com/libp2p/go-libp2p/core/crypto" | ||
| ) | ||
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| type mockNamesys map[string]path.Path | ||
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| func (m mockNamesys) Resolve(ctx context.Context, name string, opts ...nsopts.ResolveOpt) (value path.Path, err error) { | ||
| cfg := nsopts.DefaultResolveOpts() | ||
| for _, o := range opts { | ||
| o(&cfg) | ||
| } | ||
| depth := cfg.Depth | ||
| if depth == nsopts.UnlimitedDepth { | ||
| // max uint | ||
| depth = ^uint(0) | ||
| } | ||
| for strings.HasPrefix(name, "/ipns/") { | ||
| if depth == 0 { | ||
| return value, namesys.ErrResolveRecursion | ||
| } | ||
| depth-- | ||
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| var ok bool | ||
| value, ok = m[name] | ||
| if !ok { | ||
| return "", namesys.ErrResolveFailed | ||
| } | ||
| name = value.String() | ||
| } | ||
| return value, nil | ||
| } | ||
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| func (m mockNamesys) ResolveAsync(ctx context.Context, name string, opts ...nsopts.ResolveOpt) <-chan namesys.Result { | ||
| out := make(chan namesys.Result, 1) | ||
| v, err := m.Resolve(ctx, name, opts...) | ||
| out <- namesys.Result{Path: v, Err: err} | ||
| close(out) | ||
| return out | ||
| } | ||
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| func (m mockNamesys) Publish(ctx context.Context, name crypto.PrivKey, value path.Path, opts ...nsopts.PublishOption) error { | ||
| return errors.New("not implemented for mockNamesys") | ||
| } | ||
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| func (m mockNamesys) GetResolver(subs string) (namesys.Resolver, bool) { | ||
| return nil, false | ||
| } | ||
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| type mockApi struct { | ||
| ns mockNamesys | ||
| } | ||
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| func newMockApi() *mockApi { | ||
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| syncds.MutexWrap(datastore.NewMapDatastore()) | ||
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| return &mockApi{ | ||
| ns: mockNamesys{}, | ||
| } | ||
| } | ||
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| func (m *mockApi) GetUnixFsNode(context.Context, ipath.Resolved) (files.Node, error) { | ||
| return nil, errors.New("not implemented") | ||
| } | ||
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| func (m *mockApi) LsUnixFsDir(context.Context, ipath.Resolved) (<-chan iface.DirEntry, error) { | ||
| return nil, errors.New("not implemented") | ||
| } | ||
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| func (m *mockApi) GetBlock(context.Context, cid.Cid) (blocks.Block, error) { | ||
| return nil, errors.New("not implemented") | ||
| } | ||
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| func (m *mockApi) GetIPNSRecord(context.Context, cid.Cid) ([]byte, error) { | ||
| return nil, errors.New("not implemented") | ||
| } | ||
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| func (m *mockApi) IsCached(context.Context, ipath.Path) bool { | ||
| return false | ||
| } | ||
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| func (m *mockApi) ResolvePath(context.Context, ipath.Path) (ipath.Resolved, error) { | ||
| return nil, errors.New("not implemented") | ||
| } | ||
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| func (m *mockApi) HasDNSLinkRecord(ctx context.Context, hostname string) bool { | ||
| _, err := m.ns.Resolve(ctx, "/ipns/"+hostname, nsopts.Depth(1)) | ||
| return err == nil || err == namesys.ErrResolveRecursion | ||
| } |
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