+++ /dev/null
-// Copyright 2012 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package vcs
-
-import (
- "fmt"
- "io"
- "io/ioutil"
- "log"
- "net/http"
- "net/url"
-)
-
-// httpClient is the default HTTP client, but a variable so it can be
-// changed by tests, without modifying http.DefaultClient.
-var httpClient = http.DefaultClient
-
-// httpGET returns the data from an HTTP GET request for the given URL.
-func httpGET(url string) ([]byte, error) {
- resp, err := httpClient.Get(url)
- if err != nil {
- return nil, err
- }
- defer resp.Body.Close()
- if resp.StatusCode != 200 {
- return nil, fmt.Errorf("%s: %s", url, resp.Status)
- }
- b, err := ioutil.ReadAll(resp.Body)
- if err != nil {
- return nil, fmt.Errorf("%s: %v", url, err)
- }
- return b, nil
-}
-
-// httpsOrHTTP returns the body of either the importPath's
-// https resource or, if unavailable, the http resource.
-func httpsOrHTTP(importPath string) (urlStr string, body io.ReadCloser, err error) {
- fetch := func(scheme string) (urlStr string, res *http.Response, err error) {
- u, err := url.Parse(scheme + "://" + importPath)
- if err != nil {
- return "", nil, err
- }
- u.RawQuery = "go-get=1"
- urlStr = u.String()
- if Verbose {
- log.Printf("Fetching %s", urlStr)
- }
- res, err = httpClient.Get(urlStr)
- return
- }
- closeBody := func(res *http.Response) {
- if res != nil {
- res.Body.Close()
- }
- }
- urlStr, res, err := fetch("https")
- if err != nil || res.StatusCode != 200 {
- if Verbose {
- if err != nil {
- log.Printf("https fetch failed.")
- } else {
- log.Printf("ignoring https fetch with status code %d", res.StatusCode)
- }
- }
- closeBody(res)
- urlStr, res, err = fetch("http")
- }
- if err != nil {
- closeBody(res)
- return "", nil, err
- }
- // Note: accepting a non-200 OK here, so people can serve a
- // meta import in their http 404 page.
- if Verbose {
- log.Printf("Parsing meta tags from %s (status code %d)", urlStr, res.StatusCode)
- }
- return urlStr, res.Body, nil
-}