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text_safe.go
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text_safe.go
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package component
import (
"bufio"
"io"
"log"
"os"
"strings"
filter "github.com/antlinker/go-dirtyfilter"
"github.com/antlinker/go-dirtyfilter/store"
)
type TextSafe struct {
filter *filter.DirtyManager
}
func (s *TextSafe) NewFilter() error {
fi, err := os.Open("config/words_filter.txt")
if err != nil {
log.Printf("open words_filter err %v", err)
return err
}
defer func() {
_ = fi.Close()
}()
words := []string{}
br := bufio.NewReader(fi)
for {
a, _, c := br.ReadLine()
if c == io.EOF {
break
}
words = append(words, string(a))
}
memStore, err := store.NewMemoryStore(store.MemoryConfig{
DataSource: words,
})
if err != nil {
log.Printf("NewMemoryStore err %v", err)
return err
}
s.filter = filter.NewDirtyManager(memStore)
return nil
}
func (s *TextSafe) Filter(filterText string) string {
result, err := s.filter.Filter().Filter(filterText, '*', '@')
if err != nil {
log.Print(err)
return ""
}
if result != nil {
for _, w := range result {
filterText = strings.ReplaceAll(filterText, w, "*")
}
}
return filterText
}