147 lines
2.7 KiB
Go
147 lines
2.7 KiB
Go
package utils
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import (
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"bytes"
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"io"
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"net/http"
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"os"
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"strconv"
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"strings"
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"time"
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)
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var MARKDOWN_ESC []string = []string{"_", "*", "[", "]", "(", ")", "~", "`", ">", "#", "+", "-", "=", "|", "{", "}", ".", "!"}
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func Contains[T comparable](slice []T, target T) bool {
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for _, v := range slice {
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if v == target {
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return true
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}
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}
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return false
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}
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func WriteMDv2Text(sb *strings.Builder, t string) {
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for _, c := range MARKDOWN_ESC {
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t = strings.Replace(t, c, "\\"+c, -1)
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}
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sb.WriteString(t)
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}
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func MDv2Text(t string) string {
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sb := strings.Builder{}
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for _, c := range MARKDOWN_ESC {
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t = strings.Replace(t, c, "\\"+c, -1)
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}
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sb.WriteString(t)
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return sb.String()
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}
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func IsASCIIAlnum(s string) bool {
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if s == "" {
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return false
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}
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for i := 0; i < len(s); i++ {
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c := s[i]
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if !(c >= '0' && c <= '9' ||
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c >= 'A' && c <= 'Z' ||
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c >= 'a' && c <= 'z') {
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return false
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}
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}
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return true
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}
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func ToPower(t string) string {
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for s, r := range POWER_NUMBERS {
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t = strings.ReplaceAll(t, s, r)
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}
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return t
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}
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func ReadBOM(buff *bytes.Buffer) {
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b, _ := buff.ReadByte()
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if b != 0xef {
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buff.UnreadByte()
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return
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}
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b, _ = buff.ReadByte()
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if b != 0xbb {
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buff.UnreadByte()
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buff.UnreadByte()
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return
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}
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b, _ = buff.ReadByte()
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if b != 0xbf {
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buff.UnreadByte()
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buff.UnreadByte()
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buff.UnreadByte()
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}
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}
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func TryGetEnv[T any](name string, fallback T) T {
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v := os.Getenv(name)
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if v != "" {
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switch any(fallback).(type) {
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case uint64:
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p, err := strconv.ParseUint(v, 10, 64)
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if err == nil {
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return any(uint64(p)).(T)
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}
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case uint32:
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p, err := strconv.ParseUint(v, 10, 32)
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if err == nil {
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return any(uint32(p)).(T)
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}
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case int:
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p, err := strconv.ParseInt(v, 10, 32)
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if err == nil {
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return any(int(p)).(T)
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}
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case float64:
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p, err := strconv.ParseFloat(v, 64)
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if err == nil {
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return any(float64(p)).(T)
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}
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case float32:
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p, err := strconv.ParseFloat(v, 32)
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if err == nil {
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return any(float32(p)).(T)
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}
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default:
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return any(v).(T)
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}
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}
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return fallback
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}
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func HttpGet(url string) (io.ReadCloser, error) {
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client := &http.Client{
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Timeout: 15 * time.Second,
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}
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req, err := http.NewRequest("GET", url, nil)
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if err != nil {
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return nil, err
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}
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ua := "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36"
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req.Header.Set("User-Agent", ua)
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req.Header.Set("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8")
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req.Header.Set("Accept-Language", "en-US,en;q=0.9")
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req.Header.Set("Connection", "keep-alive")
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resp, err := client.Do(req)
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if err != nil {
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return nil, err
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}
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return resp.Body, nil
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}
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