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|
package post
import (
"mime/multipart"
"net/http"
"regexp"
"github.com/FChannel0/FChannel-Server/config"
)
type PostBlacklist struct {
Id int
Regex string
}
func DeleteRegexBlacklistDB(id int) error {
query := `delete from postblacklist where id=$1`
_, err := config.DB.Exec(query, id)
return err
}
func GetFileContentType(out multipart.File) (string, error) {
buffer := make([]byte, 512)
_, err := out.Read(buffer)
if err != nil {
return "", err
}
out.Seek(0, 0)
contentType := http.DetectContentType(buffer)
return contentType, nil
}
func GetRegexBlacklistDB() ([]PostBlacklist, error) {
var list []PostBlacklist
query := `select id, regex from postblacklist`
rows, err := config.DB.Query(query)
if err != nil {
return list, err
}
defer rows.Close()
for rows.Next() {
var temp PostBlacklist
rows.Scan(&temp.Id, &temp.Regex)
list = append(list, temp)
}
return list, nil
}
func IsPostBlacklist(comment string) (bool, error) {
postblacklist, err := GetRegexBlacklistDB()
if err != nil {
return false, err
}
for _, e := range postblacklist {
re := regexp.MustCompile(e.Regex)
if re.MatchString(comment) {
return true, nil
}
}
return false, nil
}
func WriteRegexBlacklistDB(regex string) error {
var re string
query := `select from postblacklist where regex=$1`
if err := config.DB.QueryRow(query, regex).Scan(&re); err != nil {
return err
}
if re != "" {
return nil
}
query = `insert into postblacklist (regex) values ($1)`
_, err := config.DB.Exec(query, regex)
return err
}
|
