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Feature(Go): Web auth, WebSocket signaling and live device list (Phase 3)

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yuanyuanxiang
2026-05-17 22:18:29 +02:00
committed by yuanyuanxiang
parent 534d3650c4
commit 4ea6ed252c
13 changed files with 1211 additions and 21 deletions
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21
server/go/protocol/commands.go
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@@ -9,8 +9,11 @@ import (
"golang.org/x/text/transform"
)
// gbkToUTF8 converts GBK encoded bytes to UTF-8 string
func gbkToUTF8(data []byte) string {
// GbkToUTF8 converts GBK encoded bytes to UTF-8 string. The input is treated
// as a null-terminated GBK buffer (typical for Windows clients); content
// after the first NUL byte is discarded. Non-printable characters are
// stripped from the result.
func GbkToUTF8(data []byte) string {
// Find the first null byte and truncate there
if idx := bytes.IndexByte(data, 0); idx >= 0 {
data = data[:idx]
@@ -111,17 +114,17 @@ func ParseLoginInfo(data []byte) (*LoginInfo, error) {
// Parse module version (offset 164, 24 bytes)
// This contains date string like "Dec 19 2025"
if len(data) >= OffsetModuleVersion+24 {
info.ModuleVersion = gbkToUTF8(data[OffsetModuleVersion : OffsetModuleVersion+24])
info.ModuleVersion = GbkToUTF8(data[OffsetModuleVersion : OffsetModuleVersion+24])
}
// Parse PC name (offset 188, 240 bytes)
if len(data) >= OffsetPCName+240 {
info.PCName = gbkToUTF8(data[OffsetPCName : OffsetPCName+240])
info.PCName = GbkToUTF8(data[OffsetPCName : OffsetPCName+240])
}
// Parse Master ID (offset 428, 20 bytes)
if len(data) >= OffsetMasterID+20 {
info.MasterID = gbkToUTF8(data[OffsetMasterID : OffsetMasterID+20])
info.MasterID = GbkToUTF8(data[OffsetMasterID : OffsetMasterID+20])
}
// Parse WebCam exist (offset 448, 4 bytes)
@@ -136,14 +139,14 @@ func ParseLoginInfo(data []byte) (*LoginInfo, error) {
// Parse Start time (offset 456, 20 bytes)
if len(data) >= OffsetStartTime+20 {
info.StartTime = gbkToUTF8(data[OffsetStartTime : OffsetStartTime+20])
info.StartTime = GbkToUTF8(data[OffsetStartTime : OffsetStartTime+20])
}
// Parse Reserved (offset 476, 512 bytes) - contains additional info
if len(data) >= OffsetReserved+512 {
info.Reserved = gbkToUTF8(data[OffsetReserved : OffsetReserved+512])
info.Reserved = GbkToUTF8(data[OffsetReserved : OffsetReserved+512])
} else if len(data) > OffsetReserved {
info.Reserved = gbkToUTF8(data[OffsetReserved:])
info.Reserved = GbkToUTF8(data[OffsetReserved:])
}
return info, nil
@@ -152,7 +155,7 @@ func ParseLoginInfo(data []byte) (*LoginInfo, error) {
// parseOsVersionInfo parses the OS version info field
// The C++ client fills this with a readable string like "Windows 10" via getSystemName()
func parseOsVersionInfo(data []byte) string {
return gbkToUTF8(data)
return GbkToUTF8(data)
}
// ParseReserved parses the reserved field into a slice of strings