/
grpc_facade.go
105 lines (98 loc) · 2.62 KB
/
grpc_facade.go
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package yakgrpc
import (
"context"
"fmt"
uuid "github.com/google/uuid"
"github.com/yaklang/yaklang/common/utils"
"github.com/yaklang/yaklang/common/utils/lowhttp"
"github.com/yaklang/yaklang/common/yakgrpc/yakit"
"github.com/yaklang/yaklang/common/yakgrpc/ypb"
"net/url"
"time"
)
func (s *Server) RegisterFacadesHTTP(ctx context.Context, req *ypb.RegisterFacadesHTTPRequest) (*ypb.RegisterFacadesHTTPResponse, error) {
if s.reverseServer == nil {
return nil, utils.Error("reverse server is nil! your yaklang facades cannot be found in system.")
}
host := s.reverseServer.Host
if host == "0.0.0.0" {
host = "127.0.0.1"
}
addr := utils.HostPort(host, s.reverseServer.Port)
var handleResponse = func(raw []byte) []byte {
raw = lowhttp.ReplaceHTTPPacketFirstLine(raw, "HTTP/1.1 200 OK")
raw = lowhttp.DeleteHTTPPacketHeader(raw, "Location")
raw = lowhttp.DeleteHTTPPacketHeader(raw, "Cookie")
raw = lowhttp.DeleteHTTPPacketHeader(raw, "Set-Cookie")
raw = lowhttp.DeleteHTTPPacketHeader(raw, "set-cookie")
return raw
}
if req.GetHTTPFlowID() > 0 {
flow, err := yakit.GetHTTPFlow(s.GetProjectDatabase(), req.GetHTTPFlowID())
if err != nil {
return nil, err
}
flowGrpc, err := flow.ToGRPCModelFull()
if err != nil {
return nil, err
}
urlIns, err := url.Parse(flowGrpc.Url)
if err != nil {
return nil, err
}
if urlIns.Scheme == "ws" {
urlIns.Scheme = "http"
}
if urlIns.Scheme == "wss" {
urlIns.Scheme = "https"
}
urlIns.Scheme = "http"
pattern := urlIns.RequestURI()
s.reverseServer.SetRawResourceEx(pattern, handleResponse(flowGrpc.Response), true)
go func() {
select {
case <-time.After(10 * time.Minute):
s.reverseServer.RemoveHTTPResource(pattern)
}
}()
urlIns.Host = addr
return &ypb.RegisterFacadesHTTPResponse{
FacadesUrl: urlIns.String(),
}, nil
}
if req.GetHTTPResponse() == nil {
return nil, utils.Error("http response empty")
}
urlStr := `http://` + addr + "/"
if req.GetUrl() != "" {
urlStr = req.GetUrl()
}
uid := uuid.New().String()
path := fmt.Sprintf("/%v", uid)
urlIns, err := url.Parse(urlStr)
if err != nil {
return nil, err
}
if urlIns.Scheme == "ws" {
urlIns.Scheme = "http"
}
if urlIns.Scheme == "wss" {
urlIns.Scheme = "https"
}
if urlIns != nil {
urlIns.Path = path
}
urlIns.Scheme = "http"
urlIns.Host = addr
pattern := path
s.reverseServer.SetRawResourceEx(pattern, handleResponse(req.GetHTTPResponse()), true)
go func() {
select {
case <-time.After(10 * time.Minute):
s.reverseServer.RemoveHTTPResource(pattern)
}
}()
return &ypb.RegisterFacadesHTTPResponse{
FacadesUrl: urlIns.String(),
}, nil
}