116 lines
2.7 KiB
Go
116 lines
2.7 KiB
Go
package main
|
|
|
|
import (
|
|
"encoding/json"
|
|
"fmt"
|
|
"golang.org/x/oauth2"
|
|
"io/ioutil"
|
|
"net/http"
|
|
)
|
|
|
|
func githubGetPrimaryEmail(accessToken string) (string, error) {
|
|
resp, err := http.Get("https://api.github.com/user/emails?access_token=" + accessToken)
|
|
defer resp.Body.Close()
|
|
|
|
contents, err := ioutil.ReadAll(resp.Body)
|
|
if err != nil {
|
|
return "", errorCannotReadResponse
|
|
}
|
|
|
|
user := []map[string]interface{}{}
|
|
if err := json.Unmarshal(contents, &user); err != nil {
|
|
logger.Errorf("error unmarshaling github user: %v", err)
|
|
return "", errorInternal
|
|
}
|
|
|
|
nonPrimaryEmail := ""
|
|
for _, email := range(user) {
|
|
nonPrimaryEmail = email["email"].(string)
|
|
if email["primary"].(bool) {
|
|
return email["email"].(string), nil
|
|
}
|
|
}
|
|
|
|
return nonPrimaryEmail, nil
|
|
}
|
|
|
|
func githubCallbackHandler(w http.ResponseWriter, r *http.Request) {
|
|
commenterToken := r.FormValue("state")
|
|
code := r.FormValue("code")
|
|
|
|
_, err := commenterGetByCommenterToken(commenterToken)
|
|
if err != nil && err != errorNoSuchToken {
|
|
fmt.Fprintf(w, "Error: %s\n", err.Error())
|
|
return
|
|
}
|
|
|
|
token, err := githubConfig.Exchange(oauth2.NoContext, code)
|
|
if err != nil {
|
|
fmt.Fprintf(w, "Error: %s", err.Error())
|
|
return
|
|
}
|
|
|
|
email, err := githubGetPrimaryEmail(token.AccessToken)
|
|
if err != nil {
|
|
fmt.Fprintf(w, "Error: %s", err.Error())
|
|
return
|
|
}
|
|
|
|
resp, err := http.Get("https://api.github.com/user?access_token=" + token.AccessToken)
|
|
defer resp.Body.Close()
|
|
|
|
contents, err := ioutil.ReadAll(resp.Body)
|
|
if err != nil {
|
|
fmt.Fprintf(w, "Error: %s", errorCannotReadResponse.Error())
|
|
return
|
|
}
|
|
|
|
user := make(map[string]interface{})
|
|
if err := json.Unmarshal(contents, &user); err != nil {
|
|
fmt.Fprintf(w, "Error: %s", errorInternal.Error())
|
|
return
|
|
}
|
|
|
|
if email == "" {
|
|
if user["email"] == nil {
|
|
fmt.Fprintf(w, "Error: no email address returned by Github")
|
|
return
|
|
}
|
|
|
|
email = user["email"].(string)
|
|
}
|
|
|
|
c, err := commenterGetByEmail("github", email)
|
|
if err != nil && err != errorNoSuchCommenter {
|
|
fmt.Fprintf(w, "Error: %s", err.Error())
|
|
return
|
|
}
|
|
|
|
var commenterHex string
|
|
|
|
// TODO: in case of returning users, update the information we have on record?
|
|
if err == errorNoSuchCommenter {
|
|
var link string
|
|
if val, ok := user["html_url"]; ok {
|
|
link = val.(string)
|
|
} else {
|
|
link = "undefined"
|
|
}
|
|
|
|
commenterHex, err = commenterNew(email, user["name"].(string), link, user["avatar_url"].(string), "github", "")
|
|
if err != nil {
|
|
fmt.Fprintf(w, "Error: %s", err.Error())
|
|
return
|
|
}
|
|
} else {
|
|
commenterHex = c.CommenterHex
|
|
}
|
|
|
|
if err := commenterSessionUpdate(commenterToken, commenterHex); err != nil {
|
|
fmt.Fprintf(w, "Error: %s", err.Error())
|
|
return
|
|
}
|
|
|
|
fmt.Fprintf(w, "<html><script>window.parent.close()</script></html>")
|
|
}
|