/
session.go
193 lines (156 loc) · 5.13 KB
/
session.go
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package posplay
import (
"net/http"
"time"
"github.com/bwmarrin/discordgo"
"github.com/gbl08ma/sqalx"
uuid "github.com/satori/go.uuid"
"github.com/underlx/disturbancesmlx/types"
"github.com/underlx/disturbancesmlx/discordbot"
"golang.org/x/oauth2"
)
// Session represents a user session in the PosPlay subsystem
type Session struct {
DiscordToken *oauth2.Token
DiscordInfo *discordgo.User
DisplayName string
GoToOnboarding bool
}
// NewSession initializes a new PosPlay session from a Discord OAuth2 token
func NewSession(node sqalx.Node, r *http.Request, w http.ResponseWriter, discordToken *oauth2.Token) (*Session, error) {
tx, err := node.Beginx()
if err != nil {
return nil, err
}
defer tx.Rollback()
ppsession := Session{
DiscordToken: discordToken,
}
err = ppsession.fetchDiscordInfo()
if err != nil {
return nil, err
}
guildMember, projectGuildErr := discordbot.ProjectGuildMember(ppsession.DiscordInfo.ID)
if projectGuildErr != nil {
guildMember = nil
}
player, err := types.GetPPPlayer(tx, uidConvS(ppsession.DiscordInfo.ID))
if err != nil {
// new player
player, err = addNewPlayer(tx, ppsession.DiscordInfo, projectGuildErr == nil)
if err != nil {
return nil, err
}
ppsession.GoToOnboarding = true
} else {
player.InGuild = projectGuildErr == nil
player.CachedName = getDisplayNameFromNameType(player.NameType, ppsession.DiscordInfo, guildMember)
}
err = player.Update(tx)
if err != nil {
return nil, err
}
if config.guildID != "" && config.roleID != "" {
discordbot.ThePosPlayBridge.EnsureUserInRole(config.guildID, ppsession.DiscordInfo.ID, config.roleID)
}
ppsession.DisplayName = player.CachedName
session, _ := config.Store.Get(r, SessionName)
session.Options.MaxAge = int(time.Until(discordToken.Expiry).Seconds())
session.Options.HttpOnly = true
session.Options.Secure = !DEBUG
session.Values["session"] = ppsession
err = session.Save(r, w)
if err != nil {
return nil, err
}
tx.Commit()
return &ppsession, nil
}
func refreshSession(r *http.Request, w http.ResponseWriter, ppsession *Session, guildMember *discordgo.Member, player *types.PPPlayer) error {
err := ppsession.fetchDiscordInfo()
if err != nil {
return err
}
ppsession.DisplayName = getDisplayNameFromNameType(player.NameType, ppsession.DiscordInfo, guildMember)
ppsession.GoToOnboarding = false // refreshSession is called when saving settings, if we're saving settings it's because we completed the onboarding
session, _ := config.Store.Get(r, SessionName)
session.Options.MaxAge = int(time.Until(ppsession.DiscordToken.Expiry).Seconds())
session.Options.HttpOnly = true
session.Options.Secure = !DEBUG
session.Values["session"] = ppsession
return session.Save(r, w)
}
// GetSession retrieves the Session from the specified request, if one exists,
// and if not, optionally redirects the user to the authentication page
func GetSession(r *http.Request, w http.ResponseWriter, doLogin bool) (ppsession *Session, redirected bool, err error) {
session, _ := config.Store.Get(r, SessionName)
msession, ok := session.Values["session"].(Session)
if !ok || session.IsNew || time.Now().After(msession.DiscordToken.Expiry) {
if !doLogin {
return nil, false, nil
}
err := oauthLogin(r, w)
if err != nil {
return nil, false, err
}
return nil, true, nil
}
return &msession, false, nil
}
func addNewPlayer(node sqalx.Node, discordUser *discordgo.User, inGuild bool) (*types.PPPlayer, error) {
tx, err := node.Beginx()
if err != nil {
return nil, err
}
defer tx.Rollback()
player := &types.PPPlayer{
DiscordID: uidConvS(discordUser.ID),
Joined: time.Now(),
LBPrivacy: PublicLBPrivacy,
ProfilePrivacy: PlayersOnlyProfilePrivacy,
NameType: UsernameDiscriminatorNameType,
InGuild: inGuild,
CachedName: getDisplayNameFromNameType(UsernameDiscriminatorNameType, discordUser, nil),
}
err = player.Update(tx)
if err != nil {
return nil, err
}
err = DoXPTransaction(tx, player, player.Joined, 50, "SIGNUP_BONUS", nil, false)
if err != nil {
return nil, err
}
return player, tx.Commit()
}
func oauthLogin(r *http.Request, w http.ResponseWriter) error {
uuid, err := uuid.NewV4()
if err != nil {
return err
}
url := oauthConfig.AuthCodeURL(uuid.String())
session, _ := config.Store.Get(r, SessionName)
session.Values["oauthState"] = uuid.String()
err = session.Save(r, w)
if err != nil {
return err
}
http.Redirect(w, r, url, http.StatusTemporaryRedirect)
return nil
}
// Logout forcefully terminates a session
func (session *Session) Logout(r *http.Request, w http.ResponseWriter) error {
cookiesession, _ := config.Store.Get(r, SessionName)
cookiesession.Options.MaxAge = -1
return cookiesession.Save(r, w)
}
func (session *Session) fetchDiscordInfo() error {
// The REST API part of discordgo can be used like this
// (presumably dg.Open and many other things will not work since this is not
// a bot token, it's merely a OAuth2 token with the 'identify' scope)
dg, err := discordgo.New(session.DiscordToken.TokenType + " " + session.DiscordToken.AccessToken)
if err != nil {
return err
}
session.DiscordInfo, err = dg.User("@me")
return err
}