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63 lines
1.6 KiB
Go
63 lines
1.6 KiB
Go
package utils
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import (
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"regexp"
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"strings"
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)
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type UAResult struct {
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OS string
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OSVersion string
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Browser string
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BrowserVer string
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}
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// ParseUA 解析 UA，返回结构化信息
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func ParseUA(ua string) UAResult {
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r := UAResult{}
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// 1. 操作系统 + 版本
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osRe := []*regexp.Regexp{
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regexp.MustCompile(`\(Macintosh;.*Mac OS X ([0-9_]+)\)`),
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regexp.MustCompile(`\(Windows NT ([0-9.]+)\)`),
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regexp.MustCompile(`\(iPhone;.*OS ([0-9_]+)`),
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regexp.MustCompile(`\(Android ([0-9.]+)`),
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regexp.MustCompile(`\(X11;.*Linux `),
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}
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for _, re := range osRe {
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if m := re.FindStringSubmatch(ua); len(m) > 1 {
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switch {
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case strings.Contains(m[0], "Macintosh"):
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r.OS, r.OSVersion = "macOS", strings.Replace(m[1], "_", ".", -1)
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case strings.Contains(m[0], "Windows NT"):
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r.OS, r.OSVersion = "Windows", m[1]
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case strings.Contains(m[0], "iPhone"):
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r.OS, r.OSVersion = "iOS", strings.Replace(m[1], "_", ".", -1)
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case strings.Contains(m[0], "Android"):
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r.OS, r.OSVersion = "Android", m[1]
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case strings.Contains(m[0], "Linux"):
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r.OS = "Linux"
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}
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break
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}
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}
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// 2. 浏览器 + 版本（按优先级匹配）
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browserRe := []struct {
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re *regexp.Regexp
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name string
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}{
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{regexp.MustCompile(`Edg/([\d.]+)`), "Edge"},
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{regexp.MustCompile(`Chrome/([\d.]+)`), "Chrome"},
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{regexp.MustCompile(`Firefox/([\d.]+)`), "Firefox"},
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{regexp.MustCompile(`Version/([\d.]+).*Safari`), "Safari"},
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{regexp.MustCompile(`OPR/([\d.]+)`), "Opera"},
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}
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for _, b := range browserRe {
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if m := b.re.FindStringSubmatch(ua); len(m) > 1 {
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r.Browser, r.BrowserVer = b.name, m[1]
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break
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}
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}
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return r
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}
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