From 67e0894d9e696be32d7b5f78bb6f89ed0e03f382 Mon Sep 17 00:00:00 2001 From: Jeffrey Wilcke Date: Fri, 25 Nov 2016 12:37:35 +0100 Subject: common/httpclient, les: removed httpclient --- common/httpclient/httpclient.go | 124 ----------------------------------- common/httpclient/httpclient_test.go | 77 ---------------------- 2 files changed, 201 deletions(-) delete mode 100644 common/httpclient/httpclient.go delete mode 100644 common/httpclient/httpclient_test.go (limited to 'common') diff --git a/common/httpclient/httpclient.go b/common/httpclient/httpclient.go deleted file mode 100644 index a0a1efd38..000000000 --- a/common/httpclient/httpclient.go +++ /dev/null @@ -1,124 +0,0 @@ -// Copyright 2015 The go-ethereum Authors -// This file is part of the go-ethereum library. -// -// The go-ethereum library is free software: you can redistribute it and/or modify -// it under the terms of the GNU Lesser General Public License as published by -// the Free Software Foundation, either version 3 of the License, or -// (at your option) any later version. -// -// The go-ethereum library is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// GNU Lesser General Public License for more details. -// -// You should have received a copy of the GNU Lesser General Public License -// along with the go-ethereum library. If not, see . - -package httpclient - -import ( - "fmt" - "io/ioutil" - "net/http" - "path/filepath" - - "github.com/ethereum/go-ethereum/common" - "github.com/ethereum/go-ethereum/crypto" -) - -type HTTPClient struct { - *http.Transport - DocRoot string - schemes []string -} - -func New(docRoot string) (self *HTTPClient) { - self = &HTTPClient{ - Transport: &http.Transport{}, - DocRoot: docRoot, - schemes: []string{"file"}, - } - self.RegisterProtocol("file", http.NewFileTransport(http.Dir(self.DocRoot))) - return -} - -// Clients should be reused instead of created as needed. Clients are safe for concurrent use by multiple goroutines. - -// A Client is higher-level than a RoundTripper (such as Transport) and additionally handles HTTP details such as cookies and redirects. - -func (self *HTTPClient) Client() *http.Client { - return &http.Client{ - Transport: self, - } -} - -func (self *HTTPClient) RegisterScheme(scheme string, rt http.RoundTripper) { - self.schemes = append(self.schemes, scheme) - self.RegisterProtocol(scheme, rt) -} - -func (self *HTTPClient) HasScheme(scheme string) bool { - for _, s := range self.schemes { - if s == scheme { - return true - } - } - return false -} - -func (self *HTTPClient) GetAuthContent(uri string, hash common.Hash) ([]byte, error) { - // retrieve content - content, err := self.Get(uri, "") - if err != nil { - return nil, err - } - - // check hash to authenticate content - chash := crypto.Keccak256Hash(content) - if chash != hash { - return nil, fmt.Errorf("content hash mismatch %x != %x (exp)", hash[:], chash[:]) - } - - return content, nil - -} - -// Get(uri, path) downloads the document at uri, if path is non-empty it -// is interpreted as a filepath to which the contents are saved -func (self *HTTPClient) Get(uri, path string) ([]byte, error) { - // retrieve content - resp, err := self.Client().Get(uri) - if err != nil { - return nil, err - } - defer func() { - if resp != nil { - resp.Body.Close() - } - }() - - var content []byte - content, err = ioutil.ReadAll(resp.Body) - if err != nil { - return nil, err - } - - if resp.StatusCode/100 != 2 { - return content, fmt.Errorf("HTTP error: %s", resp.Status) - } - - if path != "" { - var abspath string - abspath, err = filepath.Abs(path) - if err != nil { - return nil, err - } - err = ioutil.WriteFile(abspath, content, 0600) - if err != nil { - return nil, err - } - } - - return content, nil - -} diff --git a/common/httpclient/httpclient_test.go b/common/httpclient/httpclient_test.go deleted file mode 100644 index 670893f8a..000000000 --- a/common/httpclient/httpclient_test.go +++ /dev/null @@ -1,77 +0,0 @@ -// Copyright 2015 The go-ethereum Authors -// This file is part of the go-ethereum library. -// -// The go-ethereum library is free software: you can redistribute it and/or modify -// it under the terms of the GNU Lesser General Public License as published by -// the Free Software Foundation, either version 3 of the License, or -// (at your option) any later version. -// -// The go-ethereum library is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// GNU Lesser General Public License for more details. -// -// You should have received a copy of the GNU Lesser General Public License -// along with the go-ethereum library. If not, see . - -package httpclient - -import ( - "io/ioutil" - "net/http" - "os" - "path" - "testing" - - "github.com/ethereum/go-ethereum/common" - "github.com/ethereum/go-ethereum/crypto" -) - -func TestGetAuthContent(t *testing.T) { - dir, err := ioutil.TempDir("", "httpclient-test") - if err != nil { - t.Fatal("cannot create temporary directory:", err) - } - defer os.RemoveAll(dir) - client := New(dir) - - text := "test" - hash := crypto.Keccak256Hash([]byte(text)) - if err := ioutil.WriteFile(path.Join(dir, "test.content"), []byte(text), os.ModePerm); err != nil { - t.Fatal("could not write test file", err) - } - content, err := client.GetAuthContent("file:///test.content", hash) - if err != nil { - t.Errorf("no error expected, got %v", err) - } - if string(content) != text { - t.Errorf("incorrect content. expected %v, got %v", text, string(content)) - } - - hash = common.Hash{} - content, err = client.GetAuthContent("file:///test.content", hash) - expected := "content hash mismatch 0000000000000000000000000000000000000000000000000000000000000000 != 9c22ff5f21f0b81b113e63f7db6da94fedef11b2119b4088b89664fb9a3cb658 (exp)" - if err == nil { - t.Errorf("expected error, got nothing") - } else { - if err.Error() != expected { - t.Errorf("expected error '%s' got '%v'", expected, err) - } - } - -} - -type rt struct{} - -func (rt) RoundTrip(req *http.Request) (resp *http.Response, err error) { return } - -func TestRegisterScheme(t *testing.T) { - client := New("/tmp/") - if client.HasScheme("scheme") { - t.Errorf("expected scheme not to be registered") - } - client.RegisterScheme("scheme", rt{}) - if !client.HasScheme("scheme") { - t.Errorf("expected scheme to be registered") - } -} -- cgit