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83 lines
2.3 KiB
Go
83 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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"github.com/pocketbase/pocketbase/tools/types"
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"golang.org/x/oauth2"
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)
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func init() {
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Providers[NameInstagram] = wrapFactory(NewInstagramProvider)
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}
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var _ Provider = (*Instagram)(nil)
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// NameInstagram is the unique name of the Instagram provider.
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const NameInstagram string = "instagram2" // "2" suffix to avoid conflicts with the old deprecated version
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// Instagram allows authentication via Instagram Login OAuth2.
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type Instagram struct {
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BaseProvider
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}
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// NewInstagramProvider creates new Instagram provider instance with some defaults.
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func NewInstagramProvider() *Instagram {
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return &Instagram{BaseProvider{
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ctx: context.Background(),
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displayName: "Instagram",
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pkce: true,
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scopes: []string{"instagram_business_basic"},
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authURL: "https://www.instagram.com/oauth/authorize",
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tokenURL: "https://api.instagram.com/oauth/access_token",
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userInfoURL: "https://graph.instagram.com/me?fields=id,username,account_type,user_id,name,profile_picture_url,followers_count,follows_count,media_count",
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}}
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}
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// FetchAuthUser returns an AuthUser instance based on the Instagram Login user api response.
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//
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// API reference: https://developers.facebook.com/docs/instagram-platform/instagram-api-with-instagram-login/get-started#fields
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func (p *Instagram) 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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// include list of granted permissions to RawUser's payload
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if _, ok := rawUser["permissions"]; !ok {
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if permissions := token.Extra("permissions"); permissions != nil {
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rawUser["permissions"] = permissions
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}
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}
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extracted := struct {
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Id string `json:"user_id"`
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Name string `json:"name"`
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Username string `json:"username"`
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AvatarURL string `json:"profile_picture_url"`
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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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user := &AuthUser{
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Id: extracted.Id,
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Username: extracted.Username,
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Name: extracted.Name,
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AvatarURL: extracted.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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return user, nil
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}
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