mirror of
https://github.com/Mezeporta/Erupe.git
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Config / DB now its own package
This commit is contained in:
stratic-dev
227
server/sign/session.go
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227
server/sign/session.go
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@@ -0,0 +1,227 @@
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package sign
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import (
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"database/sql"
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"encoding/hex"
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"erupe-ce/config"
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"erupe-ce/utils/db"
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"erupe-ce/utils/logger"
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"erupe-ce/utils/stringsupport"
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"fmt"
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"net"
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"strings"
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"sync"
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"erupe-ce/network"
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"erupe-ce/utils/byteframe"
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"go.uber.org/zap"
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)
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type client int
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const (
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PC100 client = iota
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VITA
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PS3
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PS4
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WIIU
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)
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// Session holds state for the sign server connection.
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type Session struct {
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sync.Mutex
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logger logger.Logger
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server *SignServer
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rawConn net.Conn
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cryptConn *network.CryptConn
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client client
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psn string
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}
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func (s *Session) work() {
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pkt, err := s.cryptConn.ReadPacket()
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if config.GetConfig().DebugOptions.LogInboundMessages {
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fmt.Printf("\n[Client] -> [Server]\nData [%d bytes]:\n%s\n", len(pkt), hex.Dump(pkt))
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}
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if err != nil {
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return
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}
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err = s.handlePacket(pkt)
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if err != nil {
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return
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}
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}
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func (s *Session) handlePacket(pkt []byte) error {
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bf := byteframe.NewByteFrameFromBytes(pkt)
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reqType := string(bf.ReadNullTerminatedBytes())
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switch reqType[:len(reqType)-3] {
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case "DLTSKEYSIGN:", "DSGN:", "SIGN:":
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s.handleDSGN(bf)
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case "PS4SGN:":
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s.client = PS4
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s.handlePSSGN(bf)
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case "PS3SGN:":
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s.client = PS3
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s.handlePSSGN(bf)
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case "VITASGN:":
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s.client = VITA
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s.handlePSSGN(bf)
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case "WIIUSGN:":
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s.client = WIIU
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s.handleWIIUSGN(bf)
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case "VITACOGLNK:", "COGLNK:":
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s.handlePSNLink(bf)
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case "DELETE:":
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token := string(bf.ReadNullTerminatedBytes())
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characterID := int(bf.ReadUint32())
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tokenID := bf.ReadUint32()
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err := s.server.deleteCharacter(characterID, token, tokenID)
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if err == nil {
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s.logger.Info("Deleted character", zap.Int("CharacterID", characterID))
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s.cryptConn.SendPacket([]byte{0x01}) // DEL_SUCCESS
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}
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default:
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s.logger.Warn("Unknown request", zap.String("reqType", reqType))
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if config.GetConfig().DebugOptions.LogInboundMessages {
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fmt.Printf("\n[Client] -> [Server]\nData [%d bytes]:\n%s\n", len(pkt), hex.Dump(pkt))
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}
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}
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return nil
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}
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func (s *Session) authenticate(username string, password string) {
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newCharaReq := false
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if username[len(username)-1] == 43 { // '+'
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username = username[:len(username)-1]
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newCharaReq = true
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}
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bf := byteframe.NewByteFrame()
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uid, resp := s.server.validateLogin(username, password)
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switch resp {
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case SIGN_SUCCESS:
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if newCharaReq {
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_ = s.server.newUserChara(uid)
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}
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bf.WriteBytes(s.makeSignResponse(uid))
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default:
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bf.WriteUint8(uint8(resp))
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}
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if config.GetConfig().DebugOptions.LogOutboundMessages {
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fmt.Printf("\n[Server] -> [Client]\nData [%d bytes]:\n%s\n", len(bf.Data()), hex.Dump(bf.Data()))
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}
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_ = s.cryptConn.SendPacket(bf.Data())
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}
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func (s *Session) handleWIIUSGN(bf *byteframe.ByteFrame) {
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_ = bf.ReadBytes(1)
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wiiuKey := string(bf.ReadBytes(64))
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var uid uint32
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database, err := db.GetDB() // Capture both return values
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if err != nil {
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s.logger.Fatal(fmt.Sprintf("Failed to get database instance: %s", err))
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}
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err = database.QueryRow(`SELECT id FROM users WHERE wiiu_key = $1`, wiiuKey).Scan(&uid)
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if err != nil {
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if err == sql.ErrNoRows {
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s.logger.Info("Unlinked Wii U attempted to authenticate", zap.String("Key", wiiuKey))
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s.sendCode(SIGN_ECOGLINK)
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return
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}
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s.sendCode(SIGN_EABORT)
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return
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}
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s.cryptConn.SendPacket(s.makeSignResponse(uid))
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}
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func (s *Session) handlePSSGN(bf *byteframe.ByteFrame) {
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// Prevent reading malformed request
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if s.client != PS4 {
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if len(bf.DataFromCurrent()) < 128 {
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s.sendCode(SIGN_EABORT)
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return
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}
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_ = bf.ReadNullTerminatedBytes() // VITA = 0000000256, PS3 = 0000000255
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_ = bf.ReadBytes(2) // VITA = 1, PS3 = !
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_ = bf.ReadBytes(82)
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}
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s.psn = string(bf.ReadNullTerminatedBytes())
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var uid uint32
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database, err := db.GetDB() // Capture both return values
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if err != nil {
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s.logger.Fatal(fmt.Sprintf("Failed to get database instance: %s", err))
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}
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err = database.QueryRow(`SELECT id FROM users WHERE psn_id = $1`, s.psn).Scan(&uid)
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if err != nil {
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if err == sql.ErrNoRows {
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s.cryptConn.SendPacket(s.makeSignResponse(0))
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return
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}
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s.sendCode(SIGN_EABORT)
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return
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}
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s.cryptConn.SendPacket(s.makeSignResponse(uid))
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}
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func (s *Session) handlePSNLink(bf *byteframe.ByteFrame) {
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_ = bf.ReadNullTerminatedBytes() // Client ID
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credentials := strings.Split(stringsupport.SJISToUTF8(bf.ReadNullTerminatedBytes()), "\n")
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token := string(bf.ReadNullTerminatedBytes())
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uid, resp := s.server.validateLogin(credentials[0], credentials[1])
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database, err := db.GetDB() // Capture both return values
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if err != nil {
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s.logger.Fatal(fmt.Sprintf("Failed to get database instance: %s", err))
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}
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if resp == SIGN_SUCCESS && uid > 0 {
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var psn string
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err := database.QueryRow(`SELECT psn_id FROM sign_sessions WHERE token = $1`, token).Scan(&psn)
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if err != nil {
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s.sendCode(SIGN_ECOGLINK)
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return
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}
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// Since we check for the psn_id, this will never run
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var exists int
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err = database.QueryRow(`SELECT count(*) FROM users WHERE psn_id = $1`, psn).Scan(&exists)
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if err != nil {
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s.sendCode(SIGN_ECOGLINK)
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return
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} else if exists > 0 {
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s.sendCode(SIGN_EPSI)
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return
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}
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var currentPSN string
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err = database.QueryRow(`SELECT COALESCE(psn_id, '') FROM users WHERE username = $1`, credentials[0]).Scan(¤tPSN)
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if err != nil {
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s.sendCode(SIGN_ECOGLINK)
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return
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} else if currentPSN != "" {
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s.sendCode(SIGN_EMBID)
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return
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}
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_, err = database.Exec(`UPDATE users SET psn_id = $1 WHERE username = $2`, psn, credentials[0])
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if err == nil {
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s.sendCode(SIGN_SUCCESS)
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return
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}
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}
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s.sendCode(SIGN_ECOGLINK)
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}
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func (s *Session) handleDSGN(bf *byteframe.ByteFrame) {
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user := stringsupport.SJISToUTF8(bf.ReadNullTerminatedBytes())
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pass := stringsupport.SJISToUTF8(bf.ReadNullTerminatedBytes())
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_ = string(bf.ReadNullTerminatedBytes()) // Unk
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s.authenticate(user, pass)
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}
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func (s *Session) sendCode(id RespID) {
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s.cryptConn.SendPacket([]byte{byte(id)})
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}
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