/
vpath.go
59 lines (48 loc) · 1.02 KB
/
vpath.go
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// Package vpath resolves using http path and recognised versioned urls
package vpath
import (
"errors"
"net/http"
"regexp"
"strings"
"github.com/micro/go-micro/api/resolver"
)
type Resolver struct{}
var (
re = regexp.MustCompile("^v[0-9]+$")
)
func (r *Resolver) Resolve(req *http.Request) (*resolver.Endpoint, error) {
if req.URL.Path == "/" {
return nil, errors.New("unknown name")
}
parts := strings.Split(req.URL.Path[1:], "/")
if len(parts) == 1 {
return &resolver.Endpoint{
Name: parts[0],
Host: req.Host,
Method: req.Method,
Path: req.URL.Path,
}, nil
}
// /v1/foo
if re.MatchString(parts[0]) {
return &resolver.Endpoint{
Name: parts[1],
Host: req.Host,
Method: req.Method,
Path: req.URL.Path,
}, nil
}
return &resolver.Endpoint{
Name: parts[0],
Host: req.Host,
Method: req.Method,
Path: req.URL.Path,
}, nil
}
func (r *Resolver) String() string {
return "path"
}
func NewResolver(opts ...resolver.Option) resolver.Resolver {
return &Resolver{}
}