100 lines
2.3 KiB
Go
100 lines
2.3 KiB
Go
// Copyright 2017 Frédéric Guillot. All rights reserved.
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// Use of this source code is governed by the Apache 2.0
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// license that can be found in the LICENSE file.
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package http
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import (
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"crypto/tls"
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"fmt"
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"log"
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"net/http"
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"net/url"
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"time"
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"github.com/miniflux/miniflux2/helper"
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)
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const userAgent = "Miniflux <https://miniflux.net/>"
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const requestTimeout = 300
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// Client is a HTTP Client :)
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type Client struct {
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url string
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etagHeader string
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lastModifiedHeader string
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Insecure bool
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}
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// Get execute a GET HTTP request.
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func (h *Client) Get() (*Response, error) {
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defer helper.ExecutionTime(time.Now(), fmt.Sprintf("[HttpClient:Get] url=%s", h.url))
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u, _ := url.Parse(h.url)
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req := &http.Request{
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URL: u,
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Method: http.MethodGet,
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Header: h.buildHeaders(),
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}
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client := h.buildClient()
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resp, err := client.Do(req)
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if err != nil {
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return nil, err
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}
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response := &Response{
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Body: resp.Body,
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StatusCode: resp.StatusCode,
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EffectiveURL: resp.Request.URL.String(),
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LastModified: resp.Header.Get("Last-Modified"),
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ETag: resp.Header.Get("ETag"),
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ContentType: resp.Header.Get("Content-Type"),
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}
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log.Println("[HttpClient:Get]",
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"OriginalURL:", h.url,
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"StatusCode:", response.StatusCode,
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"ETag:", response.ETag,
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"LastModified:", response.LastModified,
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"EffectiveURL:", response.EffectiveURL,
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)
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return response, err
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}
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func (h *Client) buildClient() http.Client {
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client := http.Client{Timeout: time.Duration(requestTimeout * time.Second)}
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if h.Insecure {
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client.Transport = &http.Transport{
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TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
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}
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}
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return client
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}
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func (h *Client) buildHeaders() http.Header {
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headers := make(http.Header)
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headers.Add("User-Agent", userAgent)
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if h.etagHeader != "" {
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headers.Add("If-None-Match", h.etagHeader)
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}
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if h.lastModifiedHeader != "" {
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headers.Add("If-Modified-Since", h.lastModifiedHeader)
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}
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return headers
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}
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// NewClient returns a new HTTP client.
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func NewClient(url string) *Client {
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return &Client{url: url, Insecure: false}
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}
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// NewClientWithCacheHeaders returns a new HTTP client that send cache headers.
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func NewClientWithCacheHeaders(url, etagHeader, lastModifiedHeader string) *Client {
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return &Client{url: url, etagHeader: etagHeader, lastModifiedHeader: lastModifiedHeader, Insecure: false}
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}
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