DNF90 服务端与启动器完整源码（含 GM 工具功能增强）
服务端（Go）： - GM 塞背包/带属性装备发放：在线角色推送 op14 增量物品行，背包实时刷新，无需回角色选择界面 - GM 改金币/改等级：去掉在线拒绝，落库后推送 op14 钱包/op37 等级状态，在线实时刷新 - 等级端点统一切换到新版 GMSetCharacterLevel（自带在线刷新） - 无限/锁死疲劳模式 + 燃烧疲劳：每房间消耗 2 点、打怪与通关经验双倍 - 燃烧疲劳开关时给所有在线角色推送系统提示（op12 mode 0） - 深渊史诗掉率：GM 全局倍率 + 城镇增益药剂窗口倍率，真实接入掉落结算 启动器（Python/JS）： - 标题栏自绘、窗口 1204x717、禁止拖拽改大小、仅最小化/关闭 - GM 工具：疲劳与燃烧、深渊史诗掉率、拍卖行上架（单一定价对齐） - 拍卖行上架前端对齐服务端单一价格语义，修复 400 报错
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package mail
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import (
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"encoding/binary"
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"fmt"
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"strings"
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"unicode/utf8"
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"golang.org/x/text/encoding/simplifiedchinese"
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"longheng.io/server/internal/modules/dnf/dnfenum"
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)
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const (
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maxMailboxRecipientBytes = 30
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maxMailboxMessageBytes = 512
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maxMailboxAttachments = 10
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maxMailboxBatch = 100
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)
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// SendAttachment is the exact 12-byte attachment row written by current
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// NoPack.exe sub_26FC590. ItemID and Count are validation values only; the
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// owner must resolve the durable item from ListType and SlotIndex.
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type SendAttachment struct {
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ListType byte
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SlotIndex uint16
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ItemID uint32
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Count uint32
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}
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// SendRequest is the exact current op94/op315 request body. Opcode 315 is the
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// multi-attachment variant; it is not a multi-recipient command.
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type SendRequest struct {
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RecipientName string
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RecipientRaw []byte
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Gold uint32
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Attachments []SendAttachment
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Body string
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BodyRaw []byte
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Special uint32
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Global bool
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RawLen int
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}
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func (r SendRequest) String() string {
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return fmt.Sprintf(
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"recipient=%q body_len=%d gold=%d attachments=%d special=%d global=%t raw=%d",
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r.RecipientName,
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len(r.BodyRaw),
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r.Gold,
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len(r.Attachments),
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r.Special,
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r.Global,
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r.RawLen,
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)
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}
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// ExtractRequest is the exact current op95 request: u32 count followed by
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// count u32 mail IDs.
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type ExtractRequest struct {
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MailIDs []uint32
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RawLen int
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}
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func (r ExtractRequest) String() string {
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return fmt.Sprintf("ids=%v raw=%d", r.MailIDs, r.RawLen)
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}
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// ChangeStateRequest is the exact current op134 request: u32 count, count u32
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// mail IDs, then one u16 state.
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type ChangeStateRequest struct {
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MailIDs []uint32
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Status uint16
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RawLen int
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}
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func (r ChangeStateRequest) String() string {
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return fmt.Sprintf("ids=%v status=%d raw=%d", r.MailIDs, r.Status, r.RawLen)
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}
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// QueryCharacterRequest is the exact current op324 request.
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type QueryCharacterRequest struct {
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Name string
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NameRaw []byte
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Mode byte
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RawLen int
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}
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func (r QueryCharacterRequest) String() string {
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return fmt.Sprintf("name=%q mode=%d raw=%d", r.Name, r.Mode, r.RawLen)
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}
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func decodeSendRequest(opcode dnfenum.CmdPacket, body []byte) (SendRequest, error) {
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cursor := mailboxCursor{body: body}
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recipientRaw, err := cursor.dstring(maxMailboxRecipientBytes)
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if err != nil {
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return SendRequest{}, fmt.Errorf("recipient: %w", err)
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}
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recipientName, err := decodeMailboxText(recipientRaw)
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if err != nil || strings.TrimSpace(recipientName) == "" {
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return SendRequest{}, fmt.Errorf("recipient: invalid client text")
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}
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gold, err := cursor.u32()
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if err != nil {
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return SendRequest{}, fmt.Errorf("gold: %w", err)
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}
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attachmentCount := 1
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switch opcode {
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case dnfenum.CmdPacketMailboxSend:
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case dnfenum.CmdPacketMultiMailboxSend:
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count, readErr := cursor.u8()
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if readErr != nil {
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return SendRequest{}, fmt.Errorf("attachment count: %w", readErr)
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}
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attachmentCount = int(count)
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if attachmentCount > maxMailboxAttachments {
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return SendRequest{}, fmt.Errorf("attachment count %d exceeds %d", attachmentCount, maxMailboxAttachments)
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}
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default:
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return SendRequest{}, fmt.Errorf("unsupported mailbox send opcode %d", opcode)
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}
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attachments := make([]SendAttachment, 0, attachmentCount)
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for idx := 0; idx < attachmentCount; idx++ {
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listType, readErr := cursor.u8()
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if readErr != nil {
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return SendRequest{}, fmt.Errorf("attachment %d list type: %w", idx, readErr)
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}
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slot, readErr := cursor.u16()
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if readErr != nil {
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return SendRequest{}, fmt.Errorf("attachment %d slot: %w", idx, readErr)
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}
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itemID, readErr := cursor.u32()
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if readErr != nil {
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return SendRequest{}, fmt.Errorf("attachment %d item id: %w", idx, readErr)
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}
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count, readErr := cursor.u32()
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if readErr != nil {
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return SendRequest{}, fmt.Errorf("attachment %d count: %w", idx, readErr)
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}
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// op94 writes one all-zero row when the composer has no attachment.
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if listType == 0 && slot == 0 && itemID == 0 && count == 0 {
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continue
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}
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if itemID == 0 || count == 0 {
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return SendRequest{}, fmt.Errorf("attachment %d has incomplete identity", idx)
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}
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attachments = append(attachments, SendAttachment{
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ListType: listType,
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SlotIndex: slot,
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ItemID: itemID,
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Count: count,
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})
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}
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messageRaw, err := cursor.dstring(maxMailboxMessageBytes)
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if err != nil {
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return SendRequest{}, fmt.Errorf("message: %w", err)
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}
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message, err := decodeMailboxTextAllowEmpty(messageRaw)
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if err != nil {
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return SendRequest{}, fmt.Errorf("message: invalid client text")
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}
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special, err := cursor.u32()
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if err != nil {
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return SendRequest{}, fmt.Errorf("special: %w", err)
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}
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global, err := cursor.u8()
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if err != nil {
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return SendRequest{}, fmt.Errorf("global: %w", err)
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}
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if global > 1 {
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return SendRequest{}, fmt.Errorf("global flag is %d", global)
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}
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if !cursor.done() {
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return SendRequest{}, fmt.Errorf("trailing mailbox send bytes: %d", cursor.remaining())
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}
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return SendRequest{
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RecipientName: recipientName,
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RecipientRaw: append([]byte(nil), recipientRaw...),
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Gold: gold,
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Attachments: attachments,
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Body: message,
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BodyRaw: append([]byte(nil), messageRaw...),
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Special: special,
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Global: global == 1,
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RawLen: len(body),
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}, nil
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}
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func decodeExtractRequest(body []byte) (ExtractRequest, error) {
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ids, cursor, err := decodeMailIDList(body)
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if err != nil {
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return ExtractRequest{}, err
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}
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if !cursor.done() {
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return ExtractRequest{}, fmt.Errorf("trailing mailbox extract bytes: %d", cursor.remaining())
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}
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return ExtractRequest{MailIDs: ids, RawLen: len(body)}, nil
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}
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func decodeChangeStateRequest(body []byte) (ChangeStateRequest, error) {
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ids, cursor, err := decodeMailIDList(body)
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if err != nil {
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return ChangeStateRequest{}, err
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}
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status, err := cursor.u16()
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if err != nil {
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return ChangeStateRequest{}, fmt.Errorf("mailbox state: %w", err)
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}
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if !cursor.done() {
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return ChangeStateRequest{}, fmt.Errorf("trailing mailbox state bytes: %d", cursor.remaining())
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}
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return ChangeStateRequest{MailIDs: ids, Status: status, RawLen: len(body)}, nil
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}
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func decodeQueryCharacterRequest(body []byte) (QueryCharacterRequest, error) {
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cursor := mailboxCursor{body: body}
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nameRaw, err := cursor.dstring(maxMailboxRecipientBytes)
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if err != nil {
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return QueryCharacterRequest{}, fmt.Errorf("query name: %w", err)
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}
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name, err := decodeMailboxText(nameRaw)
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if err != nil || strings.TrimSpace(name) == "" {
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return QueryCharacterRequest{}, fmt.Errorf("query name: invalid client text")
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}
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mode, err := cursor.u8()
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if err != nil {
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return QueryCharacterRequest{}, fmt.Errorf("query mode: %w", err)
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}
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if !cursor.done() {
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return QueryCharacterRequest{}, fmt.Errorf("trailing mailbox query bytes: %d", cursor.remaining())
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}
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return QueryCharacterRequest{
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Name: name,
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NameRaw: append([]byte(nil), nameRaw...),
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Mode: mode,
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RawLen: len(body),
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}, nil
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}
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func decodeMailboxOpenRequest(body []byte) error {
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if len(body) != 0 {
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return fmt.Errorf("mailbox open body must be empty, got %d bytes", len(body))
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}
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return nil
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}
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type recipientCharacterListRequest struct {
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ServerID byte
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}
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func decodeRecipientCharacterListRequest(body []byte) (recipientCharacterListRequest, error) {
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if len(body) != 1 {
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return recipientCharacterListRequest{}, fmt.Errorf("mailbox account-role request must contain one server id byte, got %d bytes", len(body))
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}
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return recipientCharacterListRequest{ServerID: body[0]}, nil
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}
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func decodeMailIDList(body []byte) ([]uint32, mailboxCursor, error) {
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cursor := mailboxCursor{body: body}
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count, err := cursor.u32()
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if err != nil {
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return nil, cursor, fmt.Errorf("mail id count: %w", err)
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}
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if count == 0 || count > maxMailboxBatch {
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return nil, cursor, fmt.Errorf("mail id count %d is outside 1..%d", count, maxMailboxBatch)
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}
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if uint64(cursor.remaining()) < uint64(count)*4 {
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return nil, cursor, fmt.Errorf("mail id list is truncated")
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}
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ids := make([]uint32, 0, count)
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seen := make(map[uint32]struct{}, count)
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for idx := uint32(0); idx < count; idx++ {
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id, readErr := cursor.u32()
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if readErr != nil {
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return nil, cursor, fmt.Errorf("mail id %d: %w", idx, readErr)
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}
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if id == 0 {
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return nil, cursor, fmt.Errorf("mail id %d is zero", idx)
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}
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if _, exists := seen[id]; exists {
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return nil, cursor, fmt.Errorf("mail id %d is duplicated", id)
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}
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seen[id] = struct{}{}
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ids = append(ids, id)
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}
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return ids, cursor, nil
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}
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func decodeMailboxText(raw []byte) (string, error) {
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if len(raw) == 0 {
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return "", fmt.Errorf("empty text")
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}
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return decodeMailboxTextAllowEmpty(raw)
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}
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func decodeMailboxTextAllowEmpty(raw []byte) (string, error) {
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decoded, err := simplifiedchinese.GB18030.NewDecoder().Bytes(raw)
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if err != nil {
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return "", err
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}
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if !utf8.Valid(decoded) {
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return "", fmt.Errorf("decoded text is not utf8")
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}
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return string(decoded), nil
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}
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type mailboxCursor struct {
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body []byte
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pos int
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}
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func (c *mailboxCursor) u8() (byte, error) {
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if c.remaining() < 1 {
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return 0, fmt.Errorf("need 1 byte, have %d", c.remaining())
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}
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value := c.body[c.pos]
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c.pos++
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return value, nil
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}
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func (c *mailboxCursor) u16() (uint16, error) {
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if c.remaining() < 2 {
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return 0, fmt.Errorf("need 2 bytes, have %d", c.remaining())
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}
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value := binary.LittleEndian.Uint16(c.body[c.pos : c.pos+2])
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c.pos += 2
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return value, nil
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}
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func (c *mailboxCursor) u32() (uint32, error) {
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if c.remaining() < 4 {
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return 0, fmt.Errorf("need 4 bytes, have %d", c.remaining())
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}
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value := binary.LittleEndian.Uint32(c.body[c.pos : c.pos+4])
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c.pos += 4
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return value, nil
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}
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func (c *mailboxCursor) dstring(max int) ([]byte, error) {
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length, err := c.u32()
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if err != nil {
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return nil, err
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}
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if length > uint32(max) {
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return nil, fmt.Errorf("DSTR length %d exceeds %d", length, max)
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}
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if uint64(c.remaining()) < uint64(length) {
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return nil, fmt.Errorf("DSTR length %d exceeds remaining %d", length, c.remaining())
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}
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start := c.pos
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c.pos += int(length)
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return c.body[start:c.pos], nil
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}
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func (c mailboxCursor) remaining() int {
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return len(c.body) - c.pos
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}
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func (c mailboxCursor) done() bool {
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return c.pos == len(c.body)
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}
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