362 lines
8.5 KiB
Go
362 lines
8.5 KiB
Go
package hotime
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import (
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"bytes"
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"database/sql"
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"encoding/json"
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"errors"
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"fmt"
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"io/ioutil"
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"net/http"
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"net/url"
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"os"
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"path/filepath"
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"strconv"
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"strings"
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)
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type Application struct {
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MethodRouter
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Router
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contextBase
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Port string //端口号
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connectListener []func(this *Context) bool //所有的访问监听,true按原计划继续使用，false表示有监听器处理
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connectDbFunc func(err ...*Error) *sql.DB
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configPath string
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Config Map
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Db HoTimeDB
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Server *http.Server
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CacheIns
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sessionLong CacheIns
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sessionShort CacheIns
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http.Handler
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}
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func (this *Application) ServeHTTP(w http.ResponseWriter, req *http.Request) {
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this.handler(w, req)
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}
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//启动实例
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func (this *Application) Run(router Router) {
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this.Router = router
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//重新设置MethodRouter//直达路由
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this.MethodRouter = MethodRouter{}
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modeRouterStrict := true
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if this.Config.Get("modeRouterStrict").(bool) == false {
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modeRouterStrict = false
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}
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if router != nil {
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for pk, pv := range router {
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if !modeRouterStrict {
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pk = strings.ToLower(pk)
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}
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if pv != nil {
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for ck, cv := range pv {
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if !modeRouterStrict {
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ck = strings.ToLower(ck)
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}
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if cv != nil {
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for mk, mv := range cv {
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if !modeRouterStrict {
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mk = strings.ToLower(mk)
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}
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this.MethodRouter["/"+pk+"/"+ck+"/"+mk] = mv
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}
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}
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}
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}
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}
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}
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//this.Port = port
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this.Port = this.Config.GetString("port")
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if this.connectDbFunc != nil && (this.Db.DB == nil || this.Db.DB.Ping() != nil) {
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this.Db.SetConnect(this.connectDbFunc)
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}
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if this.CacheIns == nil {
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this.CacheIns = CacheIns(&CacheMemory{Map: Map{}, Time: this.Config.GetInt64("cacheShortTime")})
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}
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//异常处理
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defer func() {
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if err := recover(); err != nil {
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this.SetError(errors.New(fmt.Sprint(err)), LOG_FMT)
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//fmt.Println(err)
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this.Run(router)
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}
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}()
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this.Server = &http.Server{}
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if !IsRun {
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IsRun = true
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}
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App[this.Port] = this
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this.Server.Handler = this
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//启动服务
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this.Server.Addr = ":" + this.Port
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this.Server.ListenAndServe()
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}
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//启动实例
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func (this *Application) SetConnectDB(connect func(err ...*Error) *sql.DB) {
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this.connectDbFunc = connect
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this.Db.SetConnect(this.connectDbFunc)
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}
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//设置配置文件路径全路径或者相对路径
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func (this *Application) SetSession(short CacheIns, Long CacheIns) {
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this.sessionLong = Long
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this.sessionShort = short
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}
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//默认配置缓存和session实现
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func (this *Application) SetDefault(connect func(err ...*Error) *sql.DB) {
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this.SetConfig()
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this.connectDbFunc = connect
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if this.connectDbFunc != nil {
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this.Db.SetConnect(this.connectDbFunc)
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}
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//防止手动设置缓存误伤
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if this.CacheIns == nil {
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this.SetCache(CacheIns(&CacheMemory{}))
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}
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//防止手动设置session误伤
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if this.sessionShort == nil && this.sessionLong == nil {
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if this.connectDbFunc == nil {
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this.SetSession(CacheIns(&CacheMemory{}), nil)
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} else {
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this.SetSession(CacheIns(&CacheMemory{}), CacheIns(&CacheDb{Db: &this.Db, Time: this.Config.GetInt64("cacheLongTime")}))
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}
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}
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}
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//设置配置文件路径全路径或者相对路径
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func (this *Application) SetCache(cache CacheIns) {
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this.CacheIns = cache
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}
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//设置配置文件路径全路径或者相对路径
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func (this *Application) SetConfig(configPath ...string) {
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if len(configPath) != 0 {
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this.configPath = configPath[0]
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}
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if this.configPath == "" {
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this.configPath = "config/config.json"
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}
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//加载配置文件
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btes, err := ioutil.ReadFile(this.configPath)
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this.Config = DeepCopyMap(Config).(Map)
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if err == nil {
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cmap := Map{}
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//文件是否损坏
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cmap.JsonToMap(string(btes), &this.Error)
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for k, v := range cmap {
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this.Config.Put(k, v) //程序配置
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Config.Put(k, v) //系统配置
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}
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}
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//else {
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// //文件不存在则写入文件，存在不做处理
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// var out bytes.Buffer
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// err = json.Indent(&out, []byte(this.Config.ToJsonString()), "", "\t")
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// os.MkdirAll(filepath.Dir(this.configPath), os.ModeDir)
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// os.Create(this.configPath)
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// err = ioutil.WriteFile(this.configPath, out.Bytes(), os.ModeApplicationend)
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// if err != nil {
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// this.Error.SetError(err)
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// }
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//}
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//文件如果损坏则不写入配置防止配置文件数据丢失
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if this.Error.GetError() == nil {
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var out bytes.Buffer
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err = json.Indent(&out, []byte(this.Config.ToJsonString()), "", "\t")
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err = ioutil.WriteFile(this.configPath, out.Bytes(), os.ModeAppend)
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if err != nil {
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os.MkdirAll(filepath.Dir(this.configPath), os.ModeDir)
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os.Create(this.configPath)
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err = ioutil.WriteFile(this.configPath, out.Bytes(), os.ModeAppend)
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if err != nil {
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this.Error.SetError(err)
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}
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}
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} else {
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this.Error.SetError(nil)
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}
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}
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//连接判断,返回true继续传输至控制层，false则停止传输
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func (this *Application) SetConnectListener(lis func(this *Context) bool) {
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this.connectListener = append(this.connectListener, lis)
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}
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//网络错误
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//func (this *Application) session(w http.ResponseWriter, req *http.Request) {
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//
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//}
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//序列化链接
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func (this *Application) urlSer(url string) (string, []string) {
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q := strings.Index(url, "?")
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if q == -1 {
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q = len(url)
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}
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o := Substr(url, 0, q)
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r := strings.SplitN(o, "/", -1)
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var s = make([]string, 0)
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for i := 0; i < len(r); i++ {
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if !strings.EqualFold("", r[i]) {
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s = append(s, r[i])
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}
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}
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return o, s
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}
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//访问
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func (this *Application) handler(w http.ResponseWriter, req *http.Request) {
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o, s := this.urlSer(req.RequestURI)
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//获取cookie
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// 如果cookie存在直接将sessionId赋值为cookie.Value
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// 如果cookie不存在就查找传入的参数中是否有token
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// 如果token不存在就生成随机的sessionId
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// 如果token存在就判断token是否在Session中有保存
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// 如果有取出token并复制给cookie
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// 没有保存就生成随机的session
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cookie, err := req.Cookie(this.Config.GetString("sessionName"))
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sessionId := Md5(strconv.Itoa(Rand(10)))
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token := req.FormValue("token")
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//isFirst:=false
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if err != nil || (len(token) == 32 && cookie.Value != token) {
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if len(token) == 32 {
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sessionId = token
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}
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//else{
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// isFirst=true;
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//}
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http.SetCookie(w, &http.Cookie{Name: this.Config.GetString("sessionName"), Value: sessionId, Path: "/"})
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} else {
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sessionId = cookie.Value
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}
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unescapeUrl, err := url.QueryUnescape(req.RequestURI)
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if err != nil {
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unescapeUrl = req.RequestURI
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}
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//访问实例
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context := Context{SessionIns: SessionIns{SessionId: sessionId,
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LongCache: this.sessionLong,
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ShortCache: this.sessionShort,
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},
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CacheIns: this.CacheIns,
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Resp: w, Req: req, Application: this, RouterString: s, Config: this.Config, Db: &this.Db, HandlerStr: unescapeUrl}
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//header默认设置
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header := w.Header()
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header.Set("Content-Type", "text/html; charset=utf-8")
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//url去掉参数并序列化
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context.HandlerStr, context.RouterString = this.urlSer(context.HandlerStr)
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//访问拦截true继续false暂停
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connectListenerLen := len(this.connectListener)
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if connectListenerLen != 0 {
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for i := 0; i < connectListenerLen; i++ {
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if !this.connectListener[i](&context) {
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context.View()
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return
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}
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}
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}
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//接口服务
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//if len(s) == 3 {
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// //如果满足规则则路由到对应控制器去
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// if this.Router[s[0]] != nil && this.Router[s[0]][s[1]] != nil && this.Router[s[0]][s[1]][s[2]] != nil {
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// //控制层
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// this.Router[s[0]][s[1]][s[2]](&context)
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// //header.Set("Content-Type", "text/html; charset=utf-8")
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// context.View()
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// return
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// }
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//
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//}
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//验证接口严格模式
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modeRouterStrict := this.Config.Get("modeRouterStrict").(bool)
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tempHandlerStr := context.HandlerStr
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if !modeRouterStrict {
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tempHandlerStr = strings.ToLower(tempHandlerStr)
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}
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//执行接口
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if this.MethodRouter[tempHandlerStr] != nil {
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this.MethodRouter[tempHandlerStr](&context)
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context.View()
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return
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}
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//url赋值
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path := this.Config.GetString("tpt") + o
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//判断是否为默认
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if path[len(path)-1] == '/' {
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defFile := this.Config.GetSlice("defFile")
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for i := 0; i < len(defFile); i++ {
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temp := path + defFile.GetString(i)
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_, err := os.Stat(temp)
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if err == nil {
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path = temp
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break
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}
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}
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if path[len(path)-1] == '/' {
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w.WriteHeader(404)
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return
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}
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}
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if strings.Contains(path, "/.") {
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w.WriteHeader(404)
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return
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}
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//设置header
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delete(header, "Content-Type")
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if this.Config.GetInt("debug") != 1 {
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header.Set("Cache-Control", "public")
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}
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if strings.Index(path, ".m3u8") != -1 {
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header.Add("Content-Type", "audio/mpegurl")
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}
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//w.Write(data)
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http.ServeFile(w, req, path)
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}
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