/
isp.go
90 lines (77 loc) · 2.01 KB
/
isp.go
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/*
* Copyright (c) 2022-2024 Mikhail Knyazhev <markus621@yandex.com>. All rights reserved.
* Use of this source code is governed by a BSD 3-Clause license that can be found in the LICENSE file.
*/
package oauth
import (
"context"
"encoding/json"
"net/http"
"go.osspkg.com/goppy/errors"
"go.osspkg.com/goppy/ioutil"
"golang.org/x/oauth2"
)
var (
errProviderFail = errors.New("provider not found")
)
type (
User interface {
GetName() string
GetEmail() string
GetIcon() string
}
Provider interface {
Code() string
Config(conf ConfigItem)
AuthCodeURL() string
AuthCodeKey() string
Exchange(ctx context.Context, code string) (User, error)
}
)
func (v *OAuth) AddProviders(p ...Provider) {
v.mux.Lock()
defer v.mux.Unlock()
for _, item := range p {
for _, cp := range v.config.Provider {
if cp.Code == item.Code() {
item.Config(cp)
v.list[item.Code()] = item
}
}
}
}
func (v *OAuth) GetProvider(name string) (Provider, error) {
v.mux.RLock()
defer v.mux.RUnlock()
p, ok := v.list[name]
if !ok {
return nil, errProviderFail
}
return p, nil
}
/**********************************************************************************************************************/
type oauth2Config interface {
Exchange(ctx context.Context, code string, opts ...oauth2.AuthCodeOption) (*oauth2.Token, error)
Client(ctx context.Context, t *oauth2.Token) *http.Client
}
func oauth2ExchangeContext(
ctx context.Context, code string, uri string, srv oauth2Config, model json.Unmarshaler,
) error {
tok, err := srv.Exchange(ctx, code)
if err != nil {
return errors.Wrapf(err, "exchange to oauth service")
}
client := srv.Client(ctx, tok)
resp, err := client.Get(uri) // nolint: bodyclose
if err != nil {
return errors.Wrapf(err, "client request to oauth service")
}
b, err := ioutil.ReadAll(resp.Body)
if err != nil {
return errors.Wrapf(err, "read response from oauth service")
}
if err = json.Unmarshal(b, model); err != nil {
return errors.Wrapf(err, "decode oauth model")
}
return nil
}