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package http
import (
"net/http"
"strconv"
"github.com/spiral/roadrunner"
"github.com/pkg/errors"
)
// Server serves http connections to underlying PHP application using PSR-7 protocol. Context will include request headers,
// parsed files and query, payload will include parsed form dataTree (if any).
type Server struct {
cfg *Config
listener func(event int, ctx interface{})
rr *roadrunner.Server
}
// Listen attaches pool event watcher.
func (s *Server) Listen(l func(event int, ctx interface{})) {
s.listener = l
}
// Handle serve using PSR-7 requests passed to underlying application. Attempts to serve static files first if enabled.
func (s *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
// validating request size
if s.cfg.MaxRequest != 0 {
if length := r.Header.Get("content-length"); length != "" {
if size, err := strconv.ParseInt(length, 10, 64); err != nil {
s.handleError(w, r, err)
return
} else if size > s.cfg.MaxRequest {
s.handleError(w, r, errors.New("request body max size is exceeded"))
return
}
}
}
req, err := NewRequest(r, s.cfg.Uploads)
if err != nil {
s.handleError(w, r, err)
return
}
if err = req.Open(); err != nil {
s.handleError(w, r, err)
return
}
defer req.Close()
p, err := req.Payload()
if err != nil {
s.handleError(w, r, err)
return
}
rsp, err := s.rr.Exec(p)
if err != nil {
s.handleError(w, r, err)
return
}
resp, err := NewResponse(rsp)
if err != nil {
s.handleError(w, r, err)
return
}
resp.Write(w)
}
// handleError sends error
func (s *Server) handleError(w http.ResponseWriter, r *http.Request, err error) {
s.throw(2332323, err)
w.WriteHeader(500)
w.Write([]byte(err.Error()))
}
// throw invokes event srv if any.
func (s *Server) throw(event int, ctx interface{}) {
if s.listener != nil {
s.listener(event, ctx)
}
}
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