Add Blocklist.de example for fetching and parsing IP blocklist data

examples/blocklist.go

@@ -0,0 +1,50 @@
+package main
+
+import (
+	"fmt"
+
+	"git.kor-elf.net/kor-elf-shield/blocklist"
+	"git.kor-elf.net/kor-elf-shield/blocklist/parser"
+)
+
+/**
+ * An example of how to get a list of IP addresses from a service https://www.blocklist.de/en/export.html
+ */
+
+func main() {
+	// Getting a list of IP addresses that were entered in the last hour
+	// time=seconds
+	url := "https://api.blocklist.de/getlast.php?time=3600"
+	extract := parser.NewDefaultTextExtract(0, "\t")
+	pars, err := parser.NewText(extract)
+	if err != nil {
+		panic(err)
+	}
+	// limit 0 - no limit
+	limit := uint(0)
+	config := blocklist.NewConfig(limit)
+	ips, err := blocklist.Get(url, pars, config)
+	if err != nil {
+		panic(err)
+	}
+	fmt.Println(ips)
+
+	/*
+		// This second list retrieves all the IP addresses added in the last 48 hours and is usually a
+		// very large list (over 10000 entries), so be sure that you have the resources available to use it
+		url := "http://lists.blocklist.de/lists/all.txt"
+		extract := parser.NewDefaultTextExtract(0, "\t")
+		pars, err := parser.NewText(extract)
+		if err != nil {
+			panic(err)
+		}
+		// limit 0 - no limit
+		limit := uint(0)
+		config := blocklist.NewConfig(limit)
+		ips, err := blocklist.Get(url, pars, config)
+		if err != nil {
+			panic(err)
+		}
+		fmt.Println(ips)
+	*/
+}