136 lines
2.8 KiB
Go
136 lines
2.8 KiB
Go
/*
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** Copyright 2022 Dolysis Consulting Limited
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**
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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**
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** http://www.apache.org/licenses/LICENSE-2.0
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**
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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**
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** For changes see the git log
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*/
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package ipp
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import (
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"bytes"
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"crypto/tls"
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"fmt"
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"io"
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"net"
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"net/http"
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"strconv"
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)
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type HttpAdapter struct {
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host string
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port int
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username string
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password string
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useTLS bool
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client *http.Client
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}
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func NewHttpAdapter(host string, port int, username, password string, useTLS bool) *HttpAdapter {
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httpClient := http.Client{
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Transport: &http.Transport{
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TLSClientConfig: &tls.Config{
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InsecureSkipVerify: true,
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},
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},
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}
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return &HttpAdapter{
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host: host,
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port: port,
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username: username,
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password: password,
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useTLS: useTLS,
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client: &httpClient,
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}
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}
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func (h *HttpAdapter) SendRequest(url string, req *Request, additionalResponseData io.Writer) (*Response, error) {
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payload, err := req.Encode()
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if err != nil {
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return nil, err
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}
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var body io.Reader
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size := len(payload)
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if req.File != nil && req.FileSize != -1 {
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size += req.FileSize
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body = io.MultiReader(bytes.NewBuffer(payload), req.File)
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} else {
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body = bytes.NewBuffer(payload)
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}
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httpReq, err := http.NewRequest("POST", url, body)
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if err != nil {
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return nil, err
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}
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httpReq.Header.Set("Content-Length", strconv.Itoa(size))
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httpReq.Header.Set("Content-Type", ContentTypeIPP)
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if h.username != "" && h.password != "" {
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httpReq.SetBasicAuth(h.username, h.password)
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}
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httpResp, err := h.client.Do(httpReq)
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if err != nil {
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return nil, err
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}
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defer httpResp.Body.Close()
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if httpResp.StatusCode != 200 {
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return nil, HTTPError{
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Code: httpResp.StatusCode,
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}
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}
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resp, err := NewResponseDecoder(httpResp.Body).Decode(additionalResponseData)
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if err != nil {
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return nil, err
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}
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err = resp.CheckForErrors()
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return resp, err
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}
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func (h *HttpAdapter) GetHttpUri(namespace string, object interface{}) string {
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proto := "http"
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if h.useTLS {
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proto = "https"
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}
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uri := fmt.Sprintf("%s://%s:%d", proto, h.host, h.port)
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if namespace != "" {
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uri = fmt.Sprintf("%s/%s", uri, namespace)
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}
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if object != nil {
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uri = fmt.Sprintf("%s/%v", uri, object)
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}
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return uri
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}
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func (h *HttpAdapter) TestConnection() error {
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conn, err := net.Dial("tcp", fmt.Sprintf("%s:%d", h.host, h.port))
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if err != nil {
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return err
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}
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conn.Close()
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return nil
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}
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