102 lines
2.9 KiB
Go
102 lines
2.9 KiB
Go
package main
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import (
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"log"
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"net/http"
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"runtime"
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"regexp"
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"strconv"
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"git.satori.love/gameui/webp/models"
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_ "github.com/go-sql-driver/mysql"
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)
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func init() {
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log.SetFlags(log.Ldate | log.Ltime | log.Lshortfile)
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}
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// string 转换为 int, 如果转换失败则返回默认值
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func stringToInt(str string, defaultValue int) int {
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if str == "" {
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return defaultValue
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}
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value, err := strconv.Atoi(str)
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if err != nil {
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return defaultValue
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}
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return value
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}
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func main() {
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runtime.GOMAXPROCS(runtime.NumCPU())
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var mysqlConnection models.MysqlConnection
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mysqlConnection.Init()
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// URL 格式: /img/{type}/{id}.{format}?width=320&height=320&fit=cover
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http.HandleFunc("/img/", func(w http.ResponseWriter, r *http.Request) {
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log.Println(r.Method, r.URL.Path)
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reg := regexp.MustCompile(`^/img/([0-9a-zA-Z]+)/([0-9a-zA-Z]+).(jpg|jpeg|png|webp)$`)
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matches := reg.FindStringSubmatch(r.URL.Path)
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if len(matches) != 4 {
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log.Println("URL 格式错误", matches)
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w.WriteHeader(http.StatusNotFound)
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return
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}
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group, id, format, width, height, fit := matches[1], matches[2], matches[3], stringToInt(r.URL.Query().Get("width"), 0), stringToInt(r.URL.Query().Get("height"), 0), r.URL.Query().Get("fit")
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content, err := mysqlConnection.GetImageContent(group, id)
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if err != nil {
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log.Println("获取图片失败", format, err)
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w.WriteHeader(http.StatusNotFound)
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return
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}
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var img models.Image
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img.Init(content)
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data, err := img.ToWebP(width, height, fit)
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if err != nil {
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log.Println("转换图片失败", err)
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w.WriteHeader(http.StatusBadRequest)
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return
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}
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w.Header().Set("Content-Type", "image/webp")
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w.Header().Set("Cache-Control", "max-age=31536000")
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w.Write(data)
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})
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// URL 格式: /webp/{type}-{id}-{version}-{width}-{height}-{fit}.{format}
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http.HandleFunc("/webp/", func(w http.ResponseWriter, r *http.Request) {
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log.Println(r.Method, r.URL.Path)
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reg := regexp.MustCompile(`^/webp/([0-9a-zA-Z]+)-([0-9a-zA-Z]+)-([0-9a-zA-Z]+)-([0-9]+)-([0-9]+)-([a-zA-Z]+).(jpg|jpeg|png|webp)$`)
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matches := reg.FindStringSubmatch(r.URL.Path)
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if len(matches) != 4 {
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log.Println("URL 格式错误", matches)
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w.WriteHeader(http.StatusNotFound)
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return
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}
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group, id, version, width, height, fit, format := matches[1], matches[2], matches[3], stringToInt(matches[4], 0), stringToInt(matches[5], 0), matches[6], matches[7]
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content, err := mysqlConnection.GetImageContent(group, id)
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if err != nil {
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log.Println("获取图片失败", version, format, err)
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w.WriteHeader(http.StatusNotFound)
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return
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}
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var img models.Image
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img.Init(content)
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data, err := img.ToWebP(width, height, fit)
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if err != nil {
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log.Println("转换图片失败", err)
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w.WriteHeader(http.StatusBadRequest)
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return
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}
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w.Header().Set("Content-Type", "image/webp")
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w.Header().Set("Cache-Control", "max-age=31536000")
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w.Write(data)
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})
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log.Println("Server is running at http://localhost:6001")
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http.ListenAndServe(":6001", nil)
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}
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