mirror of
https://github.com/pocketbase/pocketbase.git
synced 2025-03-20 22:36:00 +02:00
95 lines
2.3 KiB
Go
95 lines
2.3 KiB
Go
package auth
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import (
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"strconv"
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"strings"
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"github.com/pocketbase/pocketbase/tools/types"
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"golang.org/x/oauth2"
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"golang.org/x/oauth2/vk"
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)
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func init() {
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Providers[NameVK] = wrapFactory(NewVKProvider)
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}
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var _ Provider = (*VK)(nil)
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// NameVK is the unique name of the VK provider.
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const NameVK string = "vk"
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// VK allows authentication via VK OAuth2.
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type VK struct {
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BaseProvider
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}
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// NewVKProvider creates new VK provider instance with some defaults.
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//
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// Docs: https://dev.vk.com/api/oauth-parameters
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func NewVKProvider() *VK {
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return &VK{BaseProvider{
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ctx: context.Background(),
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displayName: "ВКонтакте",
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pkce: false, // VK currently doesn't support PKCE and throws an error if PKCE params are send
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scopes: []string{"email"},
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authURL: vk.Endpoint.AuthURL,
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tokenURL: vk.Endpoint.TokenURL,
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userInfoURL: "https://api.vk.com/method/users.get?fields=photo_max,screen_name&v=5.131",
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}}
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}
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// FetchAuthUser returns an AuthUser instance based on VK's user api.
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//
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// API reference: https://dev.vk.com/method/users.get
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func (p *VK) FetchAuthUser(token *oauth2.Token) (*AuthUser, error) {
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data, err := p.FetchRawUserInfo(token)
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if err != nil {
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return nil, err
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}
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rawUser := map[string]any{}
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if err := json.Unmarshal(data, &rawUser); err != nil {
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return nil, err
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}
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extracted := struct {
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Response []struct {
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Id int64 `json:"id"`
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FirstName string `json:"first_name"`
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LastName string `json:"last_name"`
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Username string `json:"screen_name"`
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AvatarURL string `json:"photo_max"`
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} `json:"response"`
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}{}
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if err := json.Unmarshal(data, &extracted); err != nil {
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return nil, err
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}
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if len(extracted.Response) == 0 {
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return nil, errors.New("missing response entry")
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}
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user := &AuthUser{
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Id: strconv.FormatInt(extracted.Response[0].Id, 10),
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Name: strings.TrimSpace(extracted.Response[0].FirstName + " " + extracted.Response[0].LastName),
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Username: extracted.Response[0].Username,
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AvatarURL: extracted.Response[0].AvatarURL,
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RawUser: rawUser,
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AccessToken: token.AccessToken,
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RefreshToken: token.RefreshToken,
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}
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user.Expiry, _ = types.ParseDateTime(token.Expiry)
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if email := token.Extra("email"); email != nil {
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user.Email = fmt.Sprint(email)
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}
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return user, nil
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}
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