用fiddlerscript在页面指定位置注入脚本

fiddlerscript.js

static function InsertTextToResponseBody(oSession: Session, place:String, text:String){
    oSession['ui-backcolor'] = 'Orange';
    oSession.utilDecodeResponse();
    var rPattern = /'(?:[^\\']|\\.)*'|"(?:[^\\"]|\\.)*"|<(\/?(?:head|body))[^<>]*>/ig; 
    var oBody = '';
    //简单判断一下编码..尼玛
    if( /\butf-8\b/.test(oSession.oResponse.headers['Content-Type'].ToLower())){
        oBody = System.Text.Encoding.UTF8.GetString(oSession.responseBodyBytes); 
    }else{ 
        oBody = System.Text.Encoding.Default.GetString(oSession.responseBodyBytes);
        if(/<meta[^<>]*?charset="?utf-8"?/ig.test(oBody)){
            oBody = System.Text.Encoding.UTF8.GetString(oSession.responseBodyBytes);
        }
    }
    oBody = oBody.replace(rPattern,
    function($match,$pre){ 
        var ret = $match; 
        switch(place){
            case 'afterHeadStart':
                    $pre == 'head' && (ret = $match + text);
                    break;
            case 'beforeHeadEnd': 
                    $pre == '/head' && (ret = text + $match);
                    break;
            case 'afterBodyStart':
                    $pre == 'body' && (ret = $match + text);
                    break;
            case 'beforeBodyEnd': 
                    $pre == '/body' && (ret = text + $match);
                break;  ; 
        } 
        return ret;
    });
    oSession.utilSetResponseBody(oBody);
}
 
static function InsertAfterHeadStart(oSession: Session, text){
    Handlers.InsertTextToResponseBody(oSession, 'afterHeadStart', text);
}
static function InsertAfterBodyStart(oSession: Session, text){
    Handlers.InsertTextToResponseBody(oSession, 'afterBodyStart', text);
}
static function InsertBoforeHeadEnd(oSession: Session, text){
    Handlers.InsertTextToResponseBody(oSession, 'beforeHeadEnd', text);
}
static function InsertBoforeBodyEnd(oSession: Session, text){
    Handlers.InsertTextToResponseBody(oSession, 'beforeBodyEnd', text);
}
/*
调用方式
*/
static function OnBeforeResponse(oSession: Session) {
  if( oSession.url == 'www.baidu.com/'){
      Handlers.InsertAfterHeadStart(oSession,'<script>alert(1)</script>');
  }
}