90 lines
2.1 KiB
Go
90 lines
2.1 KiB
Go
package bouquins
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import (
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"encoding/json"
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"fmt"
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"log"
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"net/http"
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"golang.org/x/oauth2"
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"golang.org/x/oauth2/github"
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)
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// GithubProvider implements OAuth2 client with github.com
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type GithubProvider string
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type githubEmail struct {
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Email string `json:"email"`
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Primary bool `json:"primary"`
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Verified bool `json:"verified"`
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Visibility string `json:"visibility"`
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}
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func init() {
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Providers = append(Providers, GithubProvider("github"))
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}
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// Name returns name of provider
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func (p GithubProvider) Name() string {
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return string(p)
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}
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// Label returns label of provider
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func (p GithubProvider) Label() string {
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return "Github"
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}
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// Icon returns icon CSS class for provider
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func (p GithubProvider) Icon() string {
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return "githubicon"
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}
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func (p GithubProvider) Config(conf *BouquinsConf) *oauth2.Config {
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// FIXME client ID and secret in conf file
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return &oauth2.Config{
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ClientID: "8b0aedf07828f06918a0",
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ClientSecret: "eb26ec9c986fc28bd169bdddf169b794861e0d65",
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Scopes: []string{"user:email"},
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Endpoint: github.Endpoint,
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}
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}
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// GetUser returns github primary email
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func (p GithubProvider) GetUser(token *oauth2.Token) (string, error) {
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apiReq, err := http.NewRequest("GET", "https://api.github.com/user/emails", nil)
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apiReq.Header.Add("Accept", "application/vnd.github.v3+json")
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apiReq.Header.Add("Authorization", "token "+token.AccessToken)
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client := &http.Client{}
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response, err := client.Do(apiReq)
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defer response.Body.Close()
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if err != nil {
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log.Println("Auth error", err)
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return "", fmt.Errorf("Authentification error")
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}
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dec := json.NewDecoder(response.Body)
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var emails []githubEmail
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err = dec.Decode(&emails)
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if err != nil {
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log.Println("Error reading github API response", err)
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return "", fmt.Errorf("Error reading github API response")
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}
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var userEmail string
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for _, email := range emails {
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if email.Primary && email.Verified {
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userEmail = email.Email
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}
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}
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log.Println("User email:", userEmail)
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return userEmail, nil
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}
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func findProvider(name string) OAuth2Provider {
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for _, p := range Providers {
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if p.Name() == name {
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return p
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}
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}
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return nil
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}
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