proxy

proxies/proxies.go

@@ -0,0 +1,60 @@
+package proxies
+
+import (
+	"bufio"
+	"fmt"
+	"io"
+	"log"
+	"net/http"
+	"net/url"
+	"os"
+)
+
+//https://www.reddit.com/r/golang/comments/ezg1ka/how_can_i_specify_a_proxy_server_when_using/
+
+func Default() []*http.Client {
+	clis, err := ParseProxiesFromFile("./proxies.list")
+	if err != nil {
+		log.Fatal(err)
+	}
+	return clis
+}
+
+func ParseProxiesFromFile(fileName string) ([]*http.Client, error) {
+	f, err := os.OpenFile(fileName, os.O_RDONLY, 0400)
+	if err != nil {
+		return nil, err
+	}
+	defer f.Close()
+
+	return ParseProxies(f)
+}
+
+func ParseProxies(r io.Reader) ([]*http.Client, error) {
+	clients := make([]*http.Client, 0)
+
+	scanner := bufio.NewScanner(r)
+
+	for scanner.Scan() {
+		proxyURL, err := url.Parse(scanner.Text())
+		if err != nil {
+			return nil, fmt.Errorf("url parse %s: %w", scanner.Text(), err)
+		}
+
+		transport := &http.Transport{
+			Proxy: http.ProxyURL(proxyURL),
+		}
+
+		client := &http.Client{Transport: transport}
+
+		clients = append(clients, client)
+
+		log.Printf("using %s as proxy", scanner.Text())
+	}
+
+	if len(clients) == 0 {
+		clients = append(clients, &http.Client{})
+	}
+
+	return clients, nil
+}