101 lines
2.6 KiB
Go
101 lines
2.6 KiB
Go
package auth
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import (
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"encoding/json"
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"strings"
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"golang.org/x/oauth2/facebook"
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"golang.org/x/oauth2/github"
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"golang.org/x/oauth2/google"
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"github.com/umputun/remark/app/rest"
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"github.com/umputun/remark/app/store"
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)
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// NewGoogle makes google oauth2 provider
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func NewGoogle(p Params) Provider {
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return initProvider(p, Provider{
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Name: "google",
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Endpoint: google.Endpoint,
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RedirectURL: p.RemarkURL + "/auth/google/callback",
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Scopes: []string{"https://www.googleapis.com/auth/userinfo.email"},
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InfoURL: "https://www.googleapis.com/oauth2/v3/userinfo",
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Store: p.SessionStore,
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MapUser: func(data userData, _ []byte) store.User {
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userInfo := store.User{
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ID: rest.EncodeID("google_" + data.value("email")), // encode email
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Name: data.value("name"),
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Picture: data.value("picture"),
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Profile: data.value("profile"),
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}
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if userInfo.Name == "" {
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userInfo.Name = strings.Split(userInfo.ID, "@")[0]
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}
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return userInfo
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},
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})
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}
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// NewGithub makes github oauth2 provider
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func NewGithub(p Params) Provider {
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return initProvider(p, Provider{
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Name: "github",
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Endpoint: github.Endpoint,
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RedirectURL: p.RemarkURL + "/auth/github/callback",
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Scopes: []string{"user:email"},
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InfoURL: "https://api.github.com/user",
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Store: p.SessionStore,
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MapUser: func(data userData, _ []byte) store.User {
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userInfo := store.User{
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ID: "github_" + data.value("login"),
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Name: data.value("name"),
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Picture: data.value("avatar_url"),
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Profile: data.value("html_url"),
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}
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if userInfo.Name == "" {
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userInfo.Name = userInfo.ID
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}
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return userInfo
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},
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})
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}
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// NewFacebook makes facebook oauth2 provider
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func NewFacebook(p Params) Provider {
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// response format for fb /me call
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type uinfo struct {
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ID string `json:"id"`
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Name string `json:"name"`
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Picture struct {
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Data struct {
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URL string `json:"url"`
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} `json:"data"`
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} `json:"picture"`
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}
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return initProvider(p, Provider{
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Name: "facebook",
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Endpoint: facebook.Endpoint,
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RedirectURL: p.RemarkURL + "/auth/facebook/callback",
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Scopes: []string{"public_profile"},
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InfoURL: "https://graph.facebook.com/me?fields=id,name,picture",
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Store: p.SessionStore,
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MapUser: func(data userData, bdata []byte) store.User {
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userInfo := store.User{
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ID: "facebook_" + data.value("id"),
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Name: data.value("name"),
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}
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if userInfo.Name == "" {
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userInfo.Name = userInfo.ID
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}
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uinfoJSON := uinfo{}
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if err := json.Unmarshal(bdata, &uinfoJSON); err == nil {
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userInfo.Picture = uinfoJSON.Picture.Data.URL
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}
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return userInfo
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},
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})
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}
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