micro-server-http/util.go

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package http
import (
"context"
"net/http"
"strings"
"go.unistack.org/micro/v4/metadata"
rutil "go.unistack.org/micro/v4/util/reflect"
)
func FillRequest(ctx context.Context, req interface{}, opts ...FillRequestOption) error {
var err error
options := handlerOptions{}
for _, o := range opts {
o(&options)
}
md, ok := metadata.FromIncomingContext(ctx)
if !ok {
return nil
}
for idx := 0; idx < len(options.headers)/2; idx += 2 {
k := http.CanonicalHeaderKey(options.headers[idx])
v, ok := md[k]
if !ok {
continue
}
if err = rutil.SetFieldByPath(req, v, k); err != nil {
return err
}
}
cookies := strings.Split(md["Cookie"], ";")
cmd := make(map[string]string, len(cookies))
for _, cookie := range cookies {
kv := strings.Split(cookie, "=")
if len(kv) != 2 {
continue
}
cmd[strings.TrimSpace(kv[0])] = strings.TrimSpace(kv[1])
}
for idx := 0; idx < len(options.cookies)/2; idx += 2 {
k := http.CanonicalHeaderKey(options.cookies[idx])
v, ok := cmd[k]
if !ok {
continue
}
if err = rutil.SetFieldByPath(req, v, k); err != nil {
return err
}
}
return nil
}