134 lines
3 KiB
Go
134 lines
3 KiB
Go
/*
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Copyright (C) 2025 hexlocation (hex@iwakura.rip) & grngxd (grng@iwakura.rip)
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package client
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import (
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"encoding/json"
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"errors"
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"fmt"
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"io"
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"net/http"
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"net/url"
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"strings"
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"time"
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"stereo.cat/backend/internal/auth"
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)
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type Client struct {
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RedirectUri string
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ClientSecret string
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ClientId string
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}
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const api = "https://discord.com/api/v10"
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func New(redirectUri, clientId, clientSecret string) Client {
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return Client{
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RedirectUri: redirectUri,
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ClientId: clientId,
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ClientSecret: clientSecret,
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}
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}
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func (c Client) GetUser(t auth.TokenResponse) (auth.User, error) {
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user := auth.User{
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Blacklisted: false,
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CreatedAt: time.Now(),
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}
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req, err := http.NewRequest(http.MethodGet, fmt.Sprintf("%s/%s", api, "users/@me"), nil)
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if err != nil {
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return user, nil
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}
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req.Header.Add("Content-Type", "application/json")
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req.Header.Add("Authorization", "Bearer "+t.AccessToken)
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resp, err := http.DefaultClient.Do(req)
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if resp.StatusCode != http.StatusOK {
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bodyBytes, err := io.ReadAll(resp.Body)
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if err != nil {
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return user, err
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}
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return user, errors.New(string(bodyBytes))
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}
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if err != nil {
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return user, err
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}
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defer resp.Body.Close()
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err = json.NewDecoder(resp.Body).Decode(&user)
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if err != nil {
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return user, err
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}
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return user, nil
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}
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func (c Client) ExchangeCode(code string) (auth.TokenResponse, error) {
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var tokenResponse auth.TokenResponse
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requestBody := url.Values{
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"grant_type": {"authorization_code"},
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"code": {code},
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"redirect_uri": {c.RedirectUri},
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}
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req, err := http.NewRequest(http.MethodPost, fmt.Sprintf("%s/%s", api, "/oauth2/token"), strings.NewReader(requestBody.Encode()))
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if err != nil {
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return tokenResponse, err
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}
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req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
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req.SetBasicAuth(c.ClientId, c.ClientSecret)
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resp, err := http.DefaultClient.Do(req)
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if resp.StatusCode != http.StatusOK {
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bodyBytes, err := io.ReadAll(resp.Body)
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if err != nil {
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return tokenResponse, err
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}
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return tokenResponse, errors.New(string(bodyBytes))
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}
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if err != nil {
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return tokenResponse, err
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}
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defer resp.Body.Close()
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err = json.NewDecoder(resp.Body).Decode(&tokenResponse)
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if err != nil {
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return tokenResponse, err
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}
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return tokenResponse, nil
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}
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