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package plaintext
import (
"bytes"
"encoding/json"
"log"
"net"
"os"
"path/filepath"
"strings"
"github.com/Loyalsoldier/geoip/lib"
)
var (
defaultOutputDirForTextOut = filepath.Join("./", "output", "text")
defaultOutputDirForClashRuleSetClassicalOut = filepath.Join("./", "output", "clash", "classical")
defaultOutputDirForClashRuleSetIPCIDROut = filepath.Join("./", "output", "clash", "ipcidr")
defaultOutputDirForSurgeRuleSetOut = filepath.Join("./", "output", "surge")
)
type textOut struct {
Type string
Action lib.Action
Description string
OutputDir string
OutputExt string
Want []string
Exclude []string
OnlyIPType lib.IPType
AddPrefixInLine string
AddSuffixInLine string
}
func NewTextOut(iType string, iDesc string, action lib.Action, opts ...lib.OutputOption) lib.OutputConverter {
t := &textOut{
Type: iType,
Action: action,
Description: iDesc,
}
for _, opt := range opts {
if opt != nil {
opt(t)
}
}
return t
}
func WithTextOutOutputDir(iType, dir string) lib.OutputOption {
return func(s lib.OutputConverter) {
dir = strings.TrimSpace(dir)
if dir == "" {
switch iType {
case TypeTextOut:
dir = defaultOutputDirForTextOut
case TypeClashRuleSetClassicalOut:
dir = defaultOutputDirForClashRuleSetClassicalOut
case TypeClashRuleSetIPCIDROut:
dir = defaultOutputDirForClashRuleSetIPCIDROut
case TypeSurgeRuleSetOut:
dir = defaultOutputDirForSurgeRuleSetOut
}
}
s.(*textOut).OutputDir = dir
}
}
func WithTextOutOutputExt(ext string) lib.OutputOption {
return func(s lib.OutputConverter) {
ext = strings.TrimSpace(ext)
if ext == "" {
ext = ".txt"
}
s.(*textOut).OutputExt = ext
}
}
func WithTextOutWantedList(lists []string) lib.OutputOption {
return func(s lib.OutputConverter) {
s.(*textOut).Want = lists
}
}
func WithTextOutExcludedList(lists []string) lib.OutputOption {
return func(s lib.OutputConverter) {
s.(*textOut).Exclude = lists
}
}
func WithTextOutOnlyIPType(onlyIPType lib.IPType) lib.OutputOption {
return func(s lib.OutputConverter) {
s.(*textOut).OnlyIPType = onlyIPType
}
}
func WithTextOutAddPrefixInLine(prefix string) lib.OutputOption {
return func(s lib.OutputConverter) {
s.(*textOut).AddPrefixInLine = prefix
}
}
func WithTextOutAddSuffixInLine(suffix string) lib.OutputOption {
return func(s lib.OutputConverter) {
s.(*textOut).AddSuffixInLine = suffix
}
}
func NewTextOutFromBytes(iType string, iDesc string, action lib.Action, data []byte) (lib.OutputConverter, error) {
var tmp struct {
OutputDir string `json:"outputDir"`
OutputExt string `json:"outputExtension"`
Want []string `json:"wantedList"`
Exclude []string `json:"excludedList"`
OnlyIPType lib.IPType `json:"onlyIPType"`
AddPrefixInLine string `json:"addPrefixInLine"`
AddSuffixInLine string `json:"addSuffixInLine"`
}
if len(data) > 0 {
if err := json.Unmarshal(data, &tmp); err != nil {
return nil, err
}
}
return NewTextOut(
iType,
iDesc,
action,
WithTextOutOutputDir(iType, tmp.OutputDir),
WithTextOutOutputExt(tmp.OutputExt),
WithTextOutWantedList(tmp.Want),
WithTextOutExcludedList(tmp.Exclude),
WithTextOutOnlyIPType(tmp.OnlyIPType),
WithTextOutAddPrefixInLine(tmp.AddPrefixInLine),
WithTextOutAddSuffixInLine(tmp.AddSuffixInLine),
), nil
}
func (t *textOut) marshalBytes(entry *lib.Entry) ([]byte, error) {
entryCidr, err := entry.MarshalText(lib.GetIgnoreIPType(t.OnlyIPType))
if err != nil {
return nil, err
}
var buf bytes.Buffer
switch t.Type {
case TypeTextOut:
err = t.marshalBytesForTextOut(&buf, entryCidr)
case TypeClashRuleSetClassicalOut:
err = t.marshalBytesForClashRuleSetClassicalOut(&buf, entryCidr)
case TypeClashRuleSetIPCIDROut:
err = t.marshalBytesForClashRuleSetIPCIDROut(&buf, entryCidr)
case TypeSurgeRuleSetOut:
err = t.marshalBytesForSurgeRuleSetOut(&buf, entryCidr)
default:
return nil, lib.ErrNotSupportedFormat
}
if err != nil {
return nil, err
}
return buf.Bytes(), nil
}
func (t *textOut) marshalBytesForTextOut(buf *bytes.Buffer, entryCidr []string) error {
for _, cidr := range entryCidr {
if t.AddPrefixInLine != "" {
buf.WriteString(t.AddPrefixInLine)
}
buf.WriteString(cidr)
if t.AddSuffixInLine != "" {
buf.WriteString(t.AddSuffixInLine)
}
buf.WriteString("\n")
}
return nil
}
func (t *textOut) marshalBytesForClashRuleSetClassicalOut(buf *bytes.Buffer, entryCidr []string) error {
buf.WriteString("payload:\n")
for _, cidr := range entryCidr {
ip, _, err := net.ParseCIDR(cidr)
if err != nil {
return err
}
if ip.To4() != nil {
buf.WriteString(" - IP-CIDR,")
} else {
buf.WriteString(" - IP-CIDR6,")
}
buf.WriteString(cidr)
buf.WriteString("\n")
}
return nil
}
func (t *textOut) marshalBytesForClashRuleSetIPCIDROut(buf *bytes.Buffer, entryCidr []string) error {
buf.WriteString("payload:\n")
for _, cidr := range entryCidr {
buf.WriteString(" - '")
buf.WriteString(cidr)
buf.WriteString("'\n")
}
return nil
}
func (t *textOut) marshalBytesForSurgeRuleSetOut(buf *bytes.Buffer, entryCidr []string) error {
for _, cidr := range entryCidr {
ip, _, err := net.ParseCIDR(cidr)
if err != nil {
return err
}
if ip.To4() != nil {
buf.WriteString("IP-CIDR,")
} else {
buf.WriteString("IP-CIDR6,")
}
buf.WriteString(cidr)
if t.AddSuffixInLine != "" {
buf.WriteString(t.AddSuffixInLine)
}
buf.WriteString("\n")
}
return nil
}
func (t *textOut) writeFile(filename string, data []byte) error {
if err := os.MkdirAll(t.OutputDir, 0755); err != nil {
return err
}
if err := os.WriteFile(filepath.Join(t.OutputDir, filename), data, 0644); err != nil {
return err
}
log.Printf("✅ [%s] %s --> %s", t.Type, filename, t.OutputDir)
return nil
}
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