package api // import "github.com/xenolf/lego/acme/api" import ( "net/http" "regexp" ) type service struct { core *Core } // getLink get a rel into the Link header func getLink(header http.Header, rel string) string { var linkExpr = regexp.MustCompile(`<(.+?)>;\s*rel="(.+?)"`) for _, link := range header["Link"] { for _, m := range linkExpr.FindAllStringSubmatch(link, -1) { if len(m) != 3 { continue } if m[2] == rel { return m[1] } } } return "" } // getLocation get the value of the header Location func getLocation(resp *http.Response) string { if resp == nil { return "" } return resp.Header.Get("Location") } // getRetryAfter get the value of the header Retry-After func getRetryAfter(resp *http.Response) string { if resp == nil { return "" } return resp.Header.Get("Retry-After") }