mirror of
https://github.com/42wim/matterbridge.git
synced 2024-11-16 00:49:26 +01:00
296 lines
8.3 KiB
Go
296 lines
8.3 KiB
Go
/*
|
|
This program generates the protobuf and SteamLanguage files from the SteamKit data.
|
|
*/
|
|
package main
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
"go/ast"
|
|
"go/parser"
|
|
"go/token"
|
|
"io"
|
|
"io/ioutil"
|
|
"os"
|
|
"os/exec"
|
|
"path/filepath"
|
|
"regexp"
|
|
"runtime"
|
|
"strings"
|
|
)
|
|
|
|
var printCommands = false
|
|
|
|
func main() {
|
|
args := strings.Join(os.Args[1:], " ")
|
|
|
|
found := false
|
|
if strings.Contains(args, "clean") {
|
|
clean()
|
|
found = true
|
|
}
|
|
if strings.Contains(args, "steamlang") {
|
|
buildSteamLanguage()
|
|
found = true
|
|
}
|
|
if strings.Contains(args, "proto") {
|
|
buildProto()
|
|
found = true
|
|
}
|
|
|
|
if !found {
|
|
os.Stderr.WriteString("Invalid target!\nAvailable targets: clean, proto, steamlang\n")
|
|
os.Exit(1)
|
|
}
|
|
}
|
|
|
|
func clean() {
|
|
print("# Cleaning")
|
|
cleanGlob("../protocol/**/*.pb.go")
|
|
cleanGlob("../tf2/protocol/**/*.pb.go")
|
|
cleanGlob("../dota/protocol/**/*.pb.go")
|
|
|
|
os.Remove("../protocol/steamlang/enums.go")
|
|
os.Remove("../protocol/steamlang/messages.go")
|
|
}
|
|
|
|
func cleanGlob(pattern string) {
|
|
protos, _ := filepath.Glob(pattern)
|
|
for _, proto := range protos {
|
|
err := os.Remove(proto)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
}
|
|
}
|
|
|
|
func buildSteamLanguage() {
|
|
print("# Building Steam Language")
|
|
exePath := "./GoSteamLanguageGenerator/bin/Debug/GoSteamLanguageGenerator.exe"
|
|
|
|
if runtime.GOOS != "windows" {
|
|
execute("mono", exePath, "./SteamKit", "../protocol/steamlang")
|
|
} else {
|
|
execute(exePath, "./SteamKit", "../protocol/steamlang")
|
|
}
|
|
execute("gofmt", "-w", "../protocol/steamlang/enums.go", "../protocol/steamlang/messages.go")
|
|
}
|
|
|
|
func buildProto() {
|
|
print("# Building Protobufs")
|
|
|
|
buildProtoMap("steamclient", clientProtoFiles, "../protocol/protobuf")
|
|
buildProtoMap("tf", tf2ProtoFiles, "../tf2/protocol/protobuf")
|
|
buildProtoMap("dota", dotaProtoFiles, "../dota/protocol/protobuf")
|
|
}
|
|
|
|
func buildProtoMap(srcSubdir string, files map[string]string, outDir string) {
|
|
os.MkdirAll(outDir, os.ModePerm)
|
|
for proto, out := range files {
|
|
full := filepath.Join(outDir, out)
|
|
compileProto("SteamKit/Resources/Protobufs", srcSubdir, proto, full)
|
|
fixProto(full)
|
|
}
|
|
}
|
|
|
|
// Maps the proto files to their target files.
|
|
// See `SteamKit/Resources/Protobufs/steamclient/generate-base.bat` for reference.
|
|
var clientProtoFiles = map[string]string{
|
|
"steammessages_base.proto": "base.pb.go",
|
|
"encrypted_app_ticket.proto": "app_ticket.pb.go",
|
|
|
|
"steammessages_clientserver.proto": "client_server.pb.go",
|
|
"steammessages_clientserver_2.proto": "client_server_2.pb.go",
|
|
|
|
"content_manifest.proto": "content_manifest.pb.go",
|
|
|
|
"steammessages_unified_base.steamclient.proto": "unified/base.pb.go",
|
|
"steammessages_cloud.steamclient.proto": "unified/cloud.pb.go",
|
|
"steammessages_credentials.steamclient.proto": "unified/credentials.pb.go",
|
|
"steammessages_deviceauth.steamclient.proto": "unified/deviceauth.pb.go",
|
|
"steammessages_gamenotifications.steamclient.proto": "unified/gamenotifications.pb.go",
|
|
"steammessages_offline.steamclient.proto": "unified/offline.pb.go",
|
|
"steammessages_parental.steamclient.proto": "unified/parental.pb.go",
|
|
"steammessages_partnerapps.steamclient.proto": "unified/partnerapps.pb.go",
|
|
"steammessages_player.steamclient.proto": "unified/player.pb.go",
|
|
"steammessages_publishedfile.steamclient.proto": "unified/publishedfile.pb.go",
|
|
}
|
|
|
|
var tf2ProtoFiles = map[string]string{
|
|
"base_gcmessages.proto": "base.pb.go",
|
|
"econ_gcmessages.proto": "econ.pb.go",
|
|
"gcsdk_gcmessages.proto": "gcsdk.pb.go",
|
|
"tf_gcmessages.proto": "tf.pb.go",
|
|
"gcsystemmsgs.proto": "system.pb.go",
|
|
}
|
|
|
|
var dotaProtoFiles = map[string]string{
|
|
"base_gcmessages.proto": "base.pb.go",
|
|
"econ_gcmessages.proto": "econ.pb.go",
|
|
"gcsdk_gcmessages.proto": "gcsdk.pb.go",
|
|
"dota_gcmessages_common.proto": "dota_common.pb.go",
|
|
"dota_gcmessages_client.proto": "dota_client.pb.go",
|
|
"dota_gcmessages_client_fantasy.proto": "dota_client_fantasy.pb.go",
|
|
"gcsystemmsgs.proto": "system.pb.go",
|
|
}
|
|
|
|
func compileProto(srcBase, srcSubdir, proto, target string) {
|
|
outDir, _ := filepath.Split(target)
|
|
err := os.MkdirAll(outDir, os.ModePerm)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
execute("protoc", "--go_out="+outDir, "-I="+srcBase+"/"+srcSubdir, "-I="+srcBase, filepath.Join(srcBase, srcSubdir, proto))
|
|
out := strings.Replace(filepath.Join(outDir, proto), ".proto", ".pb.go", 1)
|
|
err = forceRename(out, target)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
}
|
|
|
|
func forceRename(from, to string) error {
|
|
if from != to {
|
|
os.Remove(to)
|
|
}
|
|
return os.Rename(from, to)
|
|
}
|
|
|
|
var pkgRegex = regexp.MustCompile(`(package \w+)`)
|
|
var pkgCommentRegex = regexp.MustCompile(`(?s)(\/\*.*?\*\/\n)package`)
|
|
var unusedImportCommentRegex = regexp.MustCompile("// discarding unused import .*\n")
|
|
var fileDescriptorVarRegex = regexp.MustCompile(`fileDescriptor\d+`)
|
|
|
|
func fixProto(path string) {
|
|
// goprotobuf is really bad at dependencies, so we must fix them manually...
|
|
// It tries to load each dependency of a file as a seperate package (but in a very, very wrong way).
|
|
// Because we want some files in the same package, we'll remove those imports to local files.
|
|
|
|
file, err := ioutil.ReadFile(path)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
fset := token.NewFileSet()
|
|
f, err := parser.ParseFile(fset, path, file, parser.ImportsOnly)
|
|
if err != nil {
|
|
panic("Error parsing " + path + ": " + err.Error())
|
|
}
|
|
|
|
importsToRemove := make([]*ast.ImportSpec, 0)
|
|
for _, i := range f.Imports {
|
|
// We remove all local imports
|
|
if i.Path.Value == "\".\"" {
|
|
importsToRemove = append(importsToRemove, i)
|
|
}
|
|
}
|
|
|
|
for _, itr := range importsToRemove {
|
|
// remove the package name from all types
|
|
file = bytes.Replace(file, []byte(itr.Name.Name+"."), []byte{}, -1)
|
|
// and remove the import itself
|
|
file = bytes.Replace(file, []byte(fmt.Sprintf("import %v %v\n", itr.Name.Name, itr.Path.Value)), []byte{}, -1)
|
|
}
|
|
|
|
// remove the package comment because it just includes a list of all messages and
|
|
// collides not only with the other compiled protobuf files, but also our own documentation.
|
|
file = cutAllSubmatch(pkgCommentRegex, file, 1)
|
|
|
|
// remove warnings
|
|
file = unusedImportCommentRegex.ReplaceAllLiteral(file, []byte{})
|
|
|
|
// fix the package name
|
|
file = pkgRegex.ReplaceAll(file, []byte("package "+inferPackageName(path)))
|
|
|
|
// fix the google dependency;
|
|
// we just reuse the one from protoc-gen-go
|
|
file = bytes.Replace(file, []byte("google/protobuf"), []byte("github.com/golang/protobuf/protoc-gen-go/descriptor"), -1)
|
|
|
|
// we need to prefix local variables created by protoc-gen-go so that they don't clash with others in the same package
|
|
filename := strings.Split(filepath.Base(path), ".")[0]
|
|
file = fileDescriptorVarRegex.ReplaceAllFunc(file, func(match []byte) []byte {
|
|
return []byte(filename + "_" + string(match))
|
|
})
|
|
|
|
err = ioutil.WriteFile(path, file, os.ModePerm)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
}
|
|
|
|
func inferPackageName(path string) string {
|
|
pieces := strings.Split(path, string(filepath.Separator))
|
|
return pieces[len(pieces)-2]
|
|
}
|
|
|
|
func cutAllSubmatch(r *regexp.Regexp, b []byte, n int) []byte {
|
|
i := r.FindSubmatchIndex(b)
|
|
return bytesCut(b, i[2*n], i[2*n+1])
|
|
}
|
|
|
|
// Removes the given section from the byte array
|
|
func bytesCut(b []byte, from, to int) []byte {
|
|
buf := new(bytes.Buffer)
|
|
buf.Write(b[:from])
|
|
buf.Write(b[to:])
|
|
return buf.Bytes()
|
|
}
|
|
|
|
func print(text string) { os.Stdout.WriteString(text + "\n") }
|
|
|
|
func printerr(text string) { os.Stderr.WriteString(text + "\n") }
|
|
|
|
// This writer appends a "> " after every newline so that the outpout appears quoted.
|
|
type QuotedWriter struct {
|
|
w io.Writer
|
|
started bool
|
|
}
|
|
|
|
func NewQuotedWriter(w io.Writer) *QuotedWriter {
|
|
return &QuotedWriter{w, false}
|
|
}
|
|
|
|
func (w *QuotedWriter) Write(p []byte) (n int, err error) {
|
|
if !w.started {
|
|
_, err = w.w.Write([]byte("> "))
|
|
if err != nil {
|
|
return n, err
|
|
}
|
|
w.started = true
|
|
}
|
|
|
|
for i, c := range p {
|
|
if c == '\n' {
|
|
nw, err := w.w.Write(p[n : i+1])
|
|
n += nw
|
|
if err != nil {
|
|
return n, err
|
|
}
|
|
|
|
_, err = w.w.Write([]byte("> "))
|
|
if err != nil {
|
|
return n, err
|
|
}
|
|
}
|
|
}
|
|
if n != len(p) {
|
|
nw, err := w.w.Write(p[n:len(p)])
|
|
n += nw
|
|
return n, err
|
|
}
|
|
return
|
|
}
|
|
|
|
func execute(command string, args ...string) {
|
|
if printCommands {
|
|
print(command + " " + strings.Join(args, " "))
|
|
}
|
|
cmd := exec.Command(command, args...)
|
|
cmd.Stdout = NewQuotedWriter(os.Stdout)
|
|
cmd.Stderr = NewQuotedWriter(os.Stderr)
|
|
err := cmd.Run()
|
|
if err != nil {
|
|
printerr(err.Error())
|
|
os.Exit(1)
|
|
}
|
|
}
|