mirror of
https://gitee.com/blackfox/geekai.git
synced 2024-12-05 21:58:23 +08:00
95 lines
1.8 KiB
Go
95 lines
1.8 KiB
Go
package utils
|
||
|
||
import (
|
||
"fmt"
|
||
"io"
|
||
"net/http"
|
||
"net/url"
|
||
"os"
|
||
"path/filepath"
|
||
"regexp"
|
||
"strings"
|
||
"time"
|
||
)
|
||
|
||
// GenUploadPath 生成上传文件路径
|
||
func GenUploadPath(basePath, filename string, isImg bool) (string, error) {
|
||
now := time.Now()
|
||
dir := fmt.Sprintf("%s/%d/%d", basePath, now.Year(), now.Month())
|
||
_, err := os.Stat(dir)
|
||
if err != nil {
|
||
err = os.MkdirAll(dir, 0755)
|
||
if err != nil {
|
||
return "", fmt.Errorf("error with create upload dir:%v", err)
|
||
}
|
||
}
|
||
var fileExt string
|
||
if isImg {
|
||
fileExt = GetImgExt(filename)
|
||
} else {
|
||
fileExt = filepath.Ext(filename)
|
||
}
|
||
return fmt.Sprintf("%s/%d%s", dir, now.UnixMicro(), fileExt), nil
|
||
}
|
||
|
||
// GenUploadUrl 生成上传文件 URL
|
||
func GenUploadUrl(basePath, baseUrl string, filePath string) string {
|
||
return strings.Replace(filePath, basePath, baseUrl, 1)
|
||
}
|
||
|
||
func DownloadFile(fileURL string, filepath string, proxy string) error {
|
||
var client *http.Client
|
||
if proxy == "" {
|
||
client = http.DefaultClient
|
||
} else {
|
||
proxyURL, _ := url.Parse(proxy)
|
||
client = &http.Client{
|
||
Transport: &http.Transport{
|
||
Proxy: http.ProxyURL(proxyURL),
|
||
},
|
||
}
|
||
}
|
||
req, err := http.NewRequest("GET", fileURL, nil)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
|
||
resp, err := client.Do(req)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
|
||
file, err := os.Create(filepath)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
defer file.Close()
|
||
|
||
_, err = io.Copy(file, resp.Body)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
|
||
return nil
|
||
}
|
||
|
||
func GetImgExt(filename string) string {
|
||
ext := filepath.Ext(filename)
|
||
if ext == "" {
|
||
return ".png"
|
||
}
|
||
return ext
|
||
}
|
||
|
||
func ExtractImgURL(text string) []string {
|
||
re := regexp.MustCompile(`(http[s]?:\/\/.*?\.(?:png|jpg|jpeg|gif))`)
|
||
matches := re.FindAllStringSubmatch(text, 10)
|
||
urls := make([]string, 0)
|
||
if len(matches) > 0 {
|
||
for _, m := range matches {
|
||
urls = append(urls, m[1])
|
||
}
|
||
}
|
||
return urls
|
||
}
|