forked from cerc-io/plugeth
71fdaa4238
This PR deprecates the file related RPC calls in favour of an improved HTTP API. The main aim is to expose a simple to use API which can be consumed by thin clients (e.g. curl and HTML forms) without the need for complex logic (e.g. manipulating prefix trie manifests).
105 lines
2.9 KiB
Go
105 lines
2.9 KiB
Go
// Copyright 2016 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package api
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import "path"
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type Response struct {
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MimeType string
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Status int
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Size int64
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// Content []byte
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Content string
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}
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// implements a service
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//
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// DEPRECATED: Use the HTTP API instead
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type Storage struct {
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api *Api
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}
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func NewStorage(api *Api) *Storage {
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return &Storage{api}
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}
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// Put uploads the content to the swarm with a simple manifest speficying
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// its content type
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//
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// DEPRECATED: Use the HTTP API instead
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func (self *Storage) Put(content, contentType string) (string, error) {
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key, err := self.api.Put(content, contentType)
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if err != nil {
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return "", err
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}
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return key.String(), err
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}
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// Get retrieves the content from bzzpath and reads the response in full
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// It returns the Response object, which serialises containing the
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// response body as the value of the Content field
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// NOTE: if error is non-nil, sResponse may still have partial content
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// the actual size of which is given in len(resp.Content), while the expected
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// size is resp.Size
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//
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// DEPRECATED: Use the HTTP API instead
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func (self *Storage) Get(bzzpath string) (*Response, error) {
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uri, err := Parse(path.Join("bzz:/", bzzpath))
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if err != nil {
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return nil, err
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}
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key, err := self.api.Resolve(uri)
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if err != nil {
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return nil, err
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}
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reader, mimeType, status, err := self.api.Get(key, uri.Path)
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if err != nil {
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return nil, err
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}
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quitC := make(chan bool)
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expsize, err := reader.Size(quitC)
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if err != nil {
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return nil, err
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}
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body := make([]byte, expsize)
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size, err := reader.Read(body)
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if int64(size) == expsize {
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err = nil
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}
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return &Response{mimeType, status, expsize, string(body[:size])}, err
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}
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// Modify(rootHash, path, contentHash, contentType) takes th e manifest trie rooted in rootHash,
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// and merge on to it. creating an entry w conentType (mime)
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//
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// DEPRECATED: Use the HTTP API instead
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func (self *Storage) Modify(rootHash, path, contentHash, contentType string) (newRootHash string, err error) {
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uri, err := Parse("bzz:/" + rootHash)
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if err != nil {
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return "", err
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}
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key, err := self.api.Resolve(uri)
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if err != nil {
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return "", err
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}
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key, err = self.api.Modify(key, path, contentHash, contentType)
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if err != nil {
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return "", err
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}
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return key.String(), nil
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}
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