discordmuffin/session.go
2015-11-02 19:31:31 -06:00

141 lines
3.7 KiB
Go

/******************************************************************************
* Discordgo by Bruce Marriner <bruce@sqls.net>
* A Discord API for Golang.
*/
package discordgo
import (
"bytes"
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"net/http"
"time"
)
// A Session represents a connection to the Discord REST API.
// Token : The authentication token returned from Discord
// Debug : If set to ture debug logging will be displayed.
type Session struct {
Token string
Debug bool
}
// RequestToken asks the Discord server for an authentication token
func (session *Session) RequestToken(email string, password string) (token string, err error) {
var urlStr string = fmt.Sprintf("%s/%s", discordApi, "auth/login")
req, err := http.NewRequest("POST", urlStr, bytes.NewBuffer([]byte(fmt.Sprintf(`{"email":"%s", "password":"%s"}`, email, password))))
if err != nil {
return
}
req.Header.Set("Content-Type", "application/json")
client := &http.Client{Timeout: (20 * time.Second)}
resp, err := client.Do(req)
if err != nil {
return
}
defer resp.Body.Close()
body, _ := ioutil.ReadAll(resp.Body)
if resp.StatusCode != 200 {
err = errors.New(fmt.Sprintf("StatusCode: %d, %s", resp.StatusCode, string(body)))
return
}
if session.Debug {
var prettyJSON bytes.Buffer
error := json.Indent(&prettyJSON, body, "", "\t")
if error != nil {
fmt.Print("JSON parse error: ", error)
return
}
fmt.Println("requestToken Response:\n", string(prettyJSON.Bytes()))
}
temp := &Session{} // TODO Must be a better way
err = json.Unmarshal(body, &temp)
token = temp.Token
return
}
// Self returns a User structure of the session authenticated user.
func (session *Session) Self() (user User, err error) {
body, err := Request(session, fmt.Sprintf("%s/%s", discordApi, "users/@me"))
err = json.Unmarshal(body, &user)
return
}
// Request makes a REST API GET Request with Discord.
func Request(session *Session, urlStr string) (body []byte, err error) {
req, err := http.NewRequest("GET", urlStr, bytes.NewBuffer([]byte(fmt.Sprintf(``))))
if err != nil {
return
}
req.Header.Set("authorization", session.Token)
req.Header.Set("Content-Type", "application/json")
client := &http.Client{Timeout: (20 * time.Second)}
resp, err := client.Do(req)
if err != nil {
return
}
body, err = ioutil.ReadAll(resp.Body)
resp.Body.Close()
if err != nil {
return
}
if resp.StatusCode != 200 {
err = errors.New(fmt.Sprintf("StatusCode: %d, %s", resp.StatusCode, string(body)))
return
}
if session.Debug {
var prettyJSON bytes.Buffer
error := json.Indent(&prettyJSON, body, "", "\t")
if error != nil {
fmt.Print("JSON parse error: ", error)
return
}
fmt.Println(urlStr+" Response:\n", string(prettyJSON.Bytes()))
}
return
}
// PrivateChannels returns an array of Channel structures for all private
// channels of the session authenticated user.
func (session *Session) PrivateChannels() (channels []Channel, err error) {
body, err := Request(session, fmt.Sprintf("%s/%s", discordApi, fmt.Sprintf("users/@me/channels")))
err = json.Unmarshal(body, &channels)
return
}
// Servers returns an array of Server structures for all servers for the
// session authenticated user.
func (session *Session) Servers() (servers []Server, err error) {
body, err := Request(session, fmt.Sprintf("%s/%s", discordApi, fmt.Sprintf("users/@me/guilds")))
err = json.Unmarshal(body, &servers)
return
}
// Channels returns an array of Channel structures for all channels of a given
// server.
func (session *Session) Channels(serverId int) (channels []Channel, err error) {
body, err := Request(session, fmt.Sprintf("%s/%s", discordApi, fmt.Sprintf("guilds/%d/channels", serverId)))
err = json.Unmarshal(body, &channels)
return
}