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Merge pull request #15 from okp4/feat/resolve-identity
Feat/resolve identity
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,77 @@ | ||
| package keybase | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "net/http" | ||
| "net/url" | ||
| "time" | ||
|
|
||
| "github.com/go-resty/resty/v2" | ||
| "github.com/patrickmn/go-cache" | ||
| ) | ||
|
|
||
| type Client struct { | ||
| client *resty.Client | ||
| picturesCache *cache.Cache | ||
| } | ||
|
|
||
| func NewClient() *Client { | ||
| return &Client{ | ||
| client: resty.New(), | ||
| picturesCache: cache.New(time.Hour, time.Hour), | ||
| } | ||
| } | ||
|
|
||
| type lookupPayload struct { | ||
| Them []struct { | ||
| Pictures *struct { | ||
| Primary *struct { | ||
| URL *string | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
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| func (c *Client) LookupPicture(ctx context.Context, kid string) (*url.URL, error) { | ||
| if picture, ok := c.picturesCache.Get(kid); ok { | ||
| return picture.(*url.URL), nil | ||
| } | ||
|
|
||
| lookup, err := c.lookup(ctx, kid) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
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| var picture *url.URL | ||
| if len(lookup.Them) > 0 && | ||
| lookup.Them[0].Pictures != nil && | ||
| lookup.Them[0].Pictures.Primary != nil && | ||
| lookup.Them[0].Pictures.Primary.URL != nil { | ||
| picture, err = url.Parse(*lookup.Them[0].Pictures.Primary.URL) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| c.picturesCache.SetDefault(kid, picture) | ||
| } | ||
| return picture, err | ||
| } | ||
|
|
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| func (c *Client) lookup(ctx context.Context, kid string) (*lookupPayload, error) { | ||
| var lookup lookupPayload | ||
| res, err := c.client.R(). | ||
| SetContext(ctx). | ||
| SetHeader("Accept", "application/json"). | ||
| SetQueryParam("key_suffix", kid). | ||
| SetQueryParam("fields", "pictures"). | ||
| SetResult(&lookup). | ||
| Get("https://keybase.io/_/api/1.0/user/lookup.json") | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| if res.StatusCode() != http.StatusOK { | ||
| return nil, fmt.Errorf("got non 200 http code: '%d'", res.StatusCode()) | ||
| } | ||
| return &lookup, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| package scalar | ||
|
|
||
| import ( | ||
| "encoding/hex" | ||
| "fmt" | ||
| "io" | ||
|
|
||
| "github.com/99designs/gqlgen/graphql" | ||
| ) | ||
|
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||
| func UnmarshalKID(v interface{}) (string, error) { | ||
| kid, ok := v.(string) | ||
| if !ok { | ||
| return "", fmt.Errorf("expect type 'string' and got type '%T'", v) | ||
| } | ||
|
|
||
| raw, err := hex.DecodeString(kid) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| if len(raw) != 35 { | ||
| return "", fmt.Errorf("expect a 35 bytes hex encoded key") | ||
| } | ||
|
|
||
| return kid, nil | ||
| } | ||
|
|
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| func MarshalKID(kid string) graphql.Marshaler { | ||
| return graphql.WriterFunc(func(w io.Writer) { | ||
| _, _ = w.Write([]byte(`"`)) | ||
| _, _ = w.Write([]byte(kid)) | ||
| _, _ = w.Write([]byte(`"`)) | ||
| }) | ||
| } |
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