mirror of
https://github.com/zu1k/nali.git
synced 2025-01-23 05:39:03 +08:00
77 lines
1.5 KiB
Go
77 lines
1.5 KiB
Go
package qqwry
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import (
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"bytes"
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"compress/zlib"
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"encoding/binary"
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"io/ioutil"
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"log"
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"net/http"
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"github.com/zu1k/nali/pkg/common"
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)
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func Download(filePath string) (data []byte, err error) {
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data, err = getData()
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if err != nil {
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log.Printf("纯真IP库下载失败，请手动下载解压后保存到本地: %s \n", filePath)
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log.Println("下载链接： https://qqwry.mirror.noc.one/qqwry.rar")
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return
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}
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common.ExistThenRemove(filePath)
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if err = ioutil.WriteFile(filePath, data, 0644); err == nil {
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log.Printf("已将最新的 纯真IP库 保存到本地: %s ", filePath)
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}
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return
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}
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func getData() (data []byte, err error) {
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resp, err := http.Get("https://qqwry.mirror.noc.one/qqwry.rar")
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if err != nil {
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return
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}
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defer resp.Body.Close()
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body, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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return
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}
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key, err := getCopyWriteKey()
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if err != nil {
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return
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}
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return unRar(body, key)
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}
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func unRar(data []byte, key uint32) ([]byte, error) {
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for i := 0; i < 0x200; i++ {
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key = key * 0x805
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key++
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key = key & 0xff
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data[i] = byte(uint32(data[i]) ^ key)
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}
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reader, err := zlib.NewReader(bytes.NewReader(data))
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if err != nil {
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return nil, err
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}
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return ioutil.ReadAll(reader)
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}
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func getCopyWriteKey() (uint32, error) {
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resp, err := http.Get("https://qqwry.mirror.noc.one/copywrite.rar")
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if err != nil {
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return 0, err
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}
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defer resp.Body.Close()
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if body, err := ioutil.ReadAll(resp.Body); err != nil {
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return 0, err
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} else {
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return binary.LittleEndian.Uint32(body[5*4:]), nil
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}
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}
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