72 lines
1.1 KiB
Go
72 lines
1.1 KiB
Go
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package services
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import (
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"crypto/sha256"
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"encoding/hex"
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"net/url"
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"strconv"
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"strings"
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)
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type User struct {
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Name string `json:"name"`
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Email string `json:"email"`
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Gravatar string `json:"gravatar"`
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}
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const (
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defaultScheme = "https"
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defaultHostname = "www.gravatar.com"
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)
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func NewGravatarFromEmail(email string) Gravatar {
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hasher := sha256.Sum256([]byte(strings.TrimSpace(email)))
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hash := hex.EncodeToString(hasher[:])
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g := NewGravatar()
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g.Hash = hash
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return g
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}
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func NewGravatar() Gravatar {
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return Gravatar{
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Scheme: defaultScheme,
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Host: defaultHostname,
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}
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}
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type Gravatar struct {
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Scheme string
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Host string
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Hash string
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Default string
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Rating string
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Size int
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}
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func (g Gravatar) GetURL() string {
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path := "/avatar/" + g.Hash
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v := url.Values{}
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if g.Size > 0 {
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v.Add("s", strconv.Itoa(g.Size))
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}
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if g.Rating != "" {
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v.Add("r", g.Rating)
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}
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if g.Default != "" {
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v.Add("d", g.Default)
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}
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url := url.URL{
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Scheme: g.Scheme,
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Host: g.Host,
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Path: path,
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RawQuery: v.Encode(),
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}
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return url.String()
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}
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