105 lines
2.9 KiB
Go
105 lines
2.9 KiB
Go
// Copyright 2016 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 api
|
|
|
|
import "path"
|
|
|
|
type Response struct {
|
|
MimeType string
|
|
Status int
|
|
Size int64
|
|
// Content []byte
|
|
Content string
|
|
}
|
|
|
|
// implements a service
|
|
//
|
|
// DEPRECATED: Use the HTTP API instead
|
|
type Storage struct {
|
|
api *Api
|
|
}
|
|
|
|
func NewStorage(api *Api) *Storage {
|
|
return &Storage{api}
|
|
}
|
|
|
|
// Put uploads the content to the swarm with a simple manifest speficying
|
|
// its content type
|
|
//
|
|
// DEPRECATED: Use the HTTP API instead
|
|
func (self *Storage) Put(content, contentType string) (string, error) {
|
|
key, err := self.api.Put(content, contentType)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
return key.String(), err
|
|
}
|
|
|
|
// Get retrieves the content from bzzpath and reads the response in full
|
|
// It returns the Response object, which serialises containing the
|
|
// response body as the value of the Content field
|
|
// NOTE: if error is non-nil, sResponse may still have partial content
|
|
// the actual size of which is given in len(resp.Content), while the expected
|
|
// size is resp.Size
|
|
//
|
|
// DEPRECATED: Use the HTTP API instead
|
|
func (self *Storage) Get(bzzpath string) (*Response, error) {
|
|
uri, err := Parse(path.Join("bzz:/", bzzpath))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
key, err := self.api.Resolve(uri)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
reader, mimeType, status, err := self.api.Get(key, uri.Path)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
quitC := make(chan bool)
|
|
expsize, err := reader.Size(quitC)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
body := make([]byte, expsize)
|
|
size, err := reader.Read(body)
|
|
if int64(size) == expsize {
|
|
err = nil
|
|
}
|
|
return &Response{mimeType, status, expsize, string(body[:size])}, err
|
|
}
|
|
|
|
// Modify(rootHash, basePath, contentHash, contentType) takes th e manifest trie rooted in rootHash,
|
|
// and merge on to it. creating an entry w conentType (mime)
|
|
//
|
|
// DEPRECATED: Use the HTTP API instead
|
|
func (self *Storage) Modify(rootHash, path, contentHash, contentType string) (newRootHash string, err error) {
|
|
uri, err := Parse("bzz:/" + rootHash)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
key, err := self.api.Resolve(uri)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
key, err = self.api.Modify(key, path, contentHash, contentType)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
return key.String(), nil
|
|
}
|