func (r *Router) createMCP(resourceId string) (*mcp.MCP, error) {
r.handlerLock.Lock()
defer r.handlerLock.Unlock()
hd, found := r.handlerDataByResource[resourceId]
if found {
return hd.m, nil
}
res := &resource.Resource{}
if err := r.persister.Get(resourceId, res); err != nil {
return nil, err
}
if err := validator.Validate(res.Code); err != nil {
return nil, err
}
oc, err := newOwnerCode(res.Owner, res.Code)
if err != nil {
return nil, err
}
m, found := r.handlerByOwnerCode[oc]
if found {
if err := r.construct(m, res); err != nil {
return nil, err
}
r.handlerDataByResource[res.Id] = handlerData{
oc: oc,
m: m,
}
return m, nil
}
m, err = mcp.New(res.Code, r.findResource)
if err != nil {
return nil, err
}
if err := m.Start(); err != nil {
return nil, err
}
if err := r.construct(m, res); err != nil {
return nil, err
}
r.handlerByOwnerCode[oc] = m
r.handlerDataByResource[res.Id] = handlerData{
oc: oc,
m: m,
}
return m, nil
}
func (web *Web) putResource(c *context) error {
res := &resource.Resource{}
if err := web.persister.Get(c.vars["resource"], res); err == persist.ErrNotFound {
return webErr{status: 404, body: err.Error()}
} else if err != nil {
return err
}
if res.Owner != c.user.Resource {
return webErr{status: 403, body: "Not owner"}
}
tmpFileBase := filepath.Join(os.TempDir(), fmt.Sprintf("%x%x", rand.Int63(), rand.Int63()))
tmpFileName := fmt.Sprintf("%v.go", tmpFileBase)
tmpFile, err := os.Create(tmpFileName)
if err != nil {
return err
}
if err := func() error {
defer tmpFile.Close()
if _, err := io.Copy(tmpFile, c.req.Body); err != nil {
return err
}
return nil
}(); err != nil {
return err
}
defer os.Remove(tmpFileName)
output, err := exec.Command("goimports", "-w", tmpFileName).CombinedOutput()
if err != nil {
return err
}
if len(output) > 0 {
return webErr{status: 400, body: string(output)}
}
body, err := ioutil.ReadFile(tmpFileName)
if err != nil {
return err
}
if err := validator.Validate(string(body)); err != nil {
return webErr{status: 400, body: err.Error()}
}
output, err = exec.Command("go", "build", "-o", tmpFileBase, tmpFileName).CombinedOutput()
if err != nil {
return err
}
if len(output) > 0 {
return webErr{status: 400, body: string(output)}
}
if err := web.persister.Transact(func(p *persist.Persister) error {
if err := p.Get(res.Id, res); err != nil {
return err
}
res.Code = string(body)
return p.Put(res.Id, res)
}); err != nil {
return err
}
if err := web.hackRouter.Restart(res.Id); err != nil {
return err
}
return nil
}