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127 lines
2.3 KiB
Go
127 lines
2.3 KiB
Go
package web
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import (
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"net/http"
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"sync"
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"github.com/gorilla/websocket"
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"github.com/lqqyt2423/go-mitmproxy/addon"
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"github.com/lqqyt2423/go-mitmproxy/flow"
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_log "github.com/sirupsen/logrus"
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)
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var log = _log.WithField("at", "web addon")
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func (web *WebAddon) echo(w http.ResponseWriter, r *http.Request) {
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c, err := web.upgrader.Upgrade(w, r, nil)
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if err != nil {
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log.Print("upgrade:", err)
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return
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}
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conn := newConn(c)
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web.addConn(conn)
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defer func() {
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web.removeConn(conn)
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c.Close()
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}()
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conn.readloop()
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}
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type WebAddon struct {
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addon.Base
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addr string
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upgrader *websocket.Upgrader
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serverMux *http.ServeMux
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server *http.Server
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conns []*concurrentConn
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connsMu sync.RWMutex
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}
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func NewWebAddon() *WebAddon {
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web := new(WebAddon)
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web.addr = ":9081"
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web.upgrader = &websocket.Upgrader{
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CheckOrigin: func(r *http.Request) bool {
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return true
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},
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}
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web.serverMux = new(http.ServeMux)
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web.serverMux.HandleFunc("/echo", web.echo)
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web.serverMux.Handle("/", http.FileServer(http.Dir("addon/web/client/build")))
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web.server = &http.Server{Addr: web.addr, Handler: web.serverMux}
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log = log.WithField("in", "WebAddon")
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web.conns = make([]*concurrentConn, 0)
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go func() {
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log.Infof("server start listen at %v\n", web.addr)
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err := web.server.ListenAndServe()
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log.Error(err)
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}()
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return web
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}
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func (web *WebAddon) addConn(c *concurrentConn) {
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web.connsMu.Lock()
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web.conns = append(web.conns, c)
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web.connsMu.Unlock()
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}
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func (web *WebAddon) removeConn(conn *concurrentConn) {
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web.connsMu.Lock()
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defer web.connsMu.Unlock()
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index := -1
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for i, c := range web.conns {
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if conn == c {
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index = i
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break
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}
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}
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if index == -1 {
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return
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}
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web.conns = append(web.conns[:index], web.conns[index+1:]...)
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}
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func (web *WebAddon) sendFlow(f *flow.Flow, msgFn func() *message) bool {
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web.connsMu.RLock()
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conns := web.conns
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web.connsMu.RUnlock()
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if len(conns) == 0 {
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return false
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}
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msg := msgFn()
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for _, c := range conns {
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c.writeMessage(msg, f)
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}
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return true
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}
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func (web *WebAddon) Request(f *flow.Flow) {
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web.sendFlow(f, func() *message {
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return newMessageRequest(f)
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})
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}
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func (web *WebAddon) Responseheaders(f *flow.Flow) {
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web.sendFlow(f, func() *message {
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return newMessageResponse(f)
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})
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}
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func (web *WebAddon) Response(f *flow.Flow) {
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web.sendFlow(f, func() *message {
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return newMessageResponseBody(f)
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})
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}
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