/
urlsegment.go
85 lines (73 loc) · 1.51 KB
/
urlsegment.go
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package staticfilecache
import (
"fmt"
"net/url"
"strings"
)
type UrlSegment struct {
Domain string
Path []string
FileName string
}
func (seg *UrlSegment) ToCacheFilePath(root string) string {
tokens := []string{root}
tokens = append(tokens, seg.Domain)
tokens = append(tokens, seg.Path...)
tokens = append(tokens, seg.FileName)
return joinTokens(tokens)
}
func (seg *UrlSegment) ToCacheDir(root string) string {
tokens := []string{root}
tokens = append(tokens, seg.Domain)
tokens = append(tokens, seg.Path...)
return joinTokens(tokens)
}
func joinTokens(tokens []string) string {
path := strings.Join(tokens, "/")
path = strings.Replace(path, "//", "/", -1)
return path
}
func ParseUrl(rawurl string) (seg UrlSegment, ok bool) {
u, err := url.Parse(rawurl)
if err != nil {
return UrlSegment{}, false
}
scheme := u.Scheme
if len(scheme) == 0 {
scheme = "http"
}
host := u.Host
if strings.Contains(host, ":") {
host = strings.Replace(host, ":", "_", -1)
}
baseurl := fmt.Sprintf("%s://%s", scheme, host)
base, err := url.Parse(baseurl)
if err != nil {
return UrlSegment{}, false
}
u = base.ResolveReference(u)
tokens := strings.Split(u.Path, "/")
fileName := tokens[len(tokens)-1]
if len(fileName) == 0 {
fileName = "index.html"
}
if rawurl == host {
fileName = "index.html"
}
if len(tokens) == 1 {
ok = true
seg = UrlSegment{
host,
[]string{},
fileName,
}
return
}
ok = true
seg = UrlSegment{
host,
tokens[1 : len(tokens)-1],
fileName,
}
return
}