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package plaintext
import (
"bytes"
"encoding/json"
"log"
"net"
"os"
"path/filepath"
"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, data json.RawMessage) (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
}
}
if tmp.OutputDir == "" {
switch iType {
case TypeTextOut:
tmp.OutputDir = defaultOutputDirForTextOut
case TypeClashRuleSetClassicalOut:
tmp.OutputDir = defaultOutputDirForClashRuleSetClassicalOut
case TypeClashRuleSetIPCIDROut:
tmp.OutputDir = defaultOutputDirForClashRuleSetIPCIDROut
case TypeSurgeRuleSetOut:
tmp.OutputDir = defaultOutputDirForSurgeRuleSetOut
}
}
if tmp.OutputExt == "" {
tmp.OutputExt = ".txt"
}
return &TextOut{
Type: iType,
Action: action,
Description: iDesc,
OutputDir: tmp.OutputDir,
OutputExt: tmp.OutputExt,
Want: tmp.Want,
Exclude: tmp.Exclude,
OnlyIPType: tmp.OnlyIPType,
AddPrefixInLine: tmp.AddPrefixInLine,
AddSuffixInLine: 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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