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-rw-r--r--common/httpclient/httpclient.go124
1 files changed, 0 insertions, 124 deletions
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 <http://www.gnu.org/licenses/>.
-
-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
-
-}