From 742870306dad10c68fa10a91ae369403f5f00e76 Mon Sep 17 00:00:00 2001
From: pythonzm <zm_world@163.com>
Date: Tue, 28 Apr 2020 22:21:30 +0800
Subject: [PATCH] =?UTF-8?q?webssh=E5=A2=9E=E5=8A=A0rz=20sz?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 static/js/bootbox.min.js           |   1 +
 static/xterm/xterm.min.css         |   2 +
 static/xterm/zmodem/zmodem.min.js  |   1 +
 templates/assets/ssh_terminal.html | 155 +++++++++++++++++++++++++++--
 templates/fort/terminal.html       | 140 +++++++++++++++++++++++++-
 utils/ssh.py                       |  82 +++++++++++----
 6 files changed, 347 insertions(+), 34 deletions(-)
 create mode 100644 static/js/bootbox.min.js
 create mode 100644 static/xterm/xterm.min.css
 create mode 100644 static/xterm/zmodem/zmodem.min.js

diff --git a/static/js/bootbox.min.js b/static/js/bootbox.min.js
new file mode 100644
index 0000000..8b8a019
--- /dev/null
+++ b/static/js/bootbox.min.js
@@ -0,0 +1 @@
+!function(t,e){"use strict";"function"==typeof define&&define.amd?define(["jquery"],e):"object"==typeof exports?module.exports=e(require("jquery")):t.bootbox=e(t.jQuery)}(this,function e(p,u){"use strict";var r,n,i,l;Object.keys||(Object.keys=(r=Object.prototype.hasOwnProperty,n=!{toString:null}.propertyIsEnumerable("toString"),l=(i=["toString","toLocaleString","valueOf","hasOwnProperty","isPrototypeOf","propertyIsEnumerable","constructor"]).length,function(t){if("function"!=typeof t&&("object"!=typeof t||null===t))throw new TypeError("Object.keys called on non-object");var e,o,a=[];for(e in t)r.call(t,e)&&a.push(e);if(n)for(o=0;o<l;o++)r.call(t,i[o])&&a.push(i[o]);return a}));var d={};d.VERSION="5.0.0";var b={en:{OK:"OK",CANCEL:"Cancel",CONFIRM:"OK"}},f={dialog:'<div class="bootbox modal" tabindex="-1" role="dialog" aria-hidden="true"><div class="modal-dialog"><div class="modal-content"><div class="modal-body"><div class="bootbox-body"></div></div></div></div></div>',header:'<div class="modal-header"><h5 class="modal-title"></h5></div>',footer:'<div class="modal-footer"></div>',closeButton:'<button type="button" class="bootbox-close-button close" aria-hidden="true">&times;</button>',form:'<form class="bootbox-form"></form>',button:'<button type="button" class="btn"></button>',option:"<option></option>",promptMessage:'<div class="bootbox-prompt-message"></div>',inputs:{text:'<input class="bootbox-input bootbox-input-text form-control" autocomplete="off" type="text" />',textarea:'<textarea class="bootbox-input bootbox-input-textarea form-control"></textarea>',email:'<input class="bootbox-input bootbox-input-email form-control" autocomplete="off" type="email" />',select:'<select class="bootbox-input bootbox-input-select form-control"></select>',checkbox:'<div class="form-check checkbox"><label class="form-check-label"><input class="form-check-input bootbox-input bootbox-input-checkbox" type="checkbox" /></label></div>',radio:'<div class="form-check radio"><label class="form-check-label"><input class="form-check-input bootbox-input bootbox-input-radio" type="radio" name="bootbox-radio" /></label></div>',date:'<input class="bootbox-input bootbox-input-date form-control" autocomplete="off" type="date" />',time:'<input class="bootbox-input bootbox-input-time form-control" autocomplete="off" type="time" />',number:'<input class="bootbox-input bootbox-input-number form-control" autocomplete="off" type="number" />',password:'<input class="bootbox-input bootbox-input-password form-control" autocomplete="off" type="password" />',range:'<input class="bootbox-input bootbox-input-range form-control-range" autocomplete="off" type="range" />'}},m={locale:"en",backdrop:"static",animate:!0,className:null,closeButton:!0,show:!0,container:"body",value:"",inputType:"text",swapButtonOrder:!1,centerVertical:!1,multiple:!1,scrollable:!1};function c(t,e,o){return p.extend(!0,{},t,function(t,e){var o=t.length,a={};if(o<1||2<o)throw new Error("Invalid argument length");return 2===o||"string"==typeof t[0]?(a[e[0]]=t[0],a[e[1]]=t[1]):a=t[0],a}(e,o))}function h(t,e,o,a){var r;a&&a[0]&&(r=a[0].locale||m.locale,(a[0].swapButtonOrder||m.swapButtonOrder)&&(e=e.reverse()));var n,i,l,s={className:"bootbox-"+t,buttons:function(t,e){for(var o={},a=0,r=t.length;a<r;a++){var n=t[a],i=n.toLowerCase(),l=n.toUpperCase();o[i]={label:(s=l,(c=b[e])?c[s]:b.en[s])}}var s,c;return o}(e,r)};return n=c(s,a,o),l={},v(i=e,function(t,e){l[e]=!0}),v(n.buttons,function(t){if(l[t]===u)throw new Error('button key "'+t+'" is not allowed (options are '+i.join(" ")+")")}),n}function w(t){return Object.keys(t).length}function v(t,o){var a=0;p.each(t,function(t,e){o(t,e,a++)})}function g(t){t.data.dialog.find(".bootbox-accept").first().trigger("focus")}function y(t){t.target===t.data.dialog[0]&&t.data.dialog.remove()}function x(t){t.target===t.data.dialog[0]&&(t.data.dialog.off("escape.close.bb"),t.data.dialog.off("click"))}function k(t,e,o){t.stopPropagation(),t.preventDefault(),p.isFunction(o)&&!1===o.call(e,t)||e.modal("hide")}function E(t){return/([01][0-9]|2[0-3]):[0-5][0-9]?:[0-5][0-9]/.test(t)}function O(t){return/(\d{4})-(\d{2})-(\d{2})/.test(t)}return d.locales=function(t){return t?b[t]:b},d.addLocale=function(t,o){return p.each(["OK","CANCEL","CONFIRM"],function(t,e){if(!o[e])throw new Error('Please supply a translation for "'+e+'"')}),b[t]={OK:o.OK,CANCEL:o.CANCEL,CONFIRM:o.CONFIRM},d},d.removeLocale=function(t){if("en"===t)throw new Error('"en" is used as the default and fallback locale and cannot be removed.');return delete b[t],d},d.setLocale=function(t){return d.setDefaults("locale",t)},d.setDefaults=function(){var t={};return 2===arguments.length?t[arguments[0]]=arguments[1]:t=arguments[0],p.extend(m,t),d},d.hideAll=function(){return p(".bootbox").modal("hide"),d},d.init=function(t){return e(t||p)},d.dialog=function(t){if(p.fn.modal===u)throw new Error('"$.fn.modal" is not defined; 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\ No newline at end of file
diff --git a/static/xterm/xterm.min.css b/static/xterm/xterm.min.css
new file mode 100644
index 0000000..4f3021b
--- /dev/null
+++ b/static/xterm/xterm.min.css
@@ -0,0 +1,2 @@
+.xterm{font-feature-settings:"liga" 0;position:relative;user-select:none;-ms-user-select:none;-webkit-user-select:none}.xterm.focus,.xterm:focus{outline:0}.xterm .xterm-helpers{position:absolute;top:0;z-index:10}.xterm .xterm-helper-textarea{position:absolute;opacity:0;left:-9999em;top:0;width:0;height:0;z-index:-10;white-space:nowrap;overflow:hidden;resize:none}.xterm .composition-view{background:#000;color:#fff;display:none;position:absolute;white-space:nowrap;z-index:1}.xterm .composition-view.active{display:block}.xterm .xterm-viewport{background-color:#000;overflow-y:scroll;cursor:default;position:absolute;right:0;left:0;top:0;bottom:0}.xterm .xterm-screen{position:relative}.xterm .xterm-screen canvas{position:absolute;left:0;top:0}.xterm .xterm-scroll-area{visibility:hidden}.xterm-char-measure-element{display:inline-block;visibility:hidden;position:absolute;top:0;left:-9999em;line-height:normal}.xterm{cursor:text}.xterm.enable-mouse-events{cursor:default}.xterm.xterm-cursor-pointer{cursor:pointer}.xterm.column-select.focus{cursor:crosshair}.xterm .xterm-accessibility,.xterm .xterm-message{position:absolute;left:0;top:0;bottom:0;right:0;z-index:100;color:transparent}.xterm .live-region{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}.xterm-dim{opacity:.5}.xterm-underline{text-decoration:underline}
+/*# sourceMappingURL=xterm.min.css.map */
\ No newline at end of file
diff --git a/static/xterm/zmodem/zmodem.min.js b/static/xterm/zmodem/zmodem.min.js
new file mode 100644
index 0000000..8b7f7c3
--- /dev/null
+++ b/static/xterm/zmodem/zmodem.min.js
@@ -0,0 +1 @@
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e{constructor(e){this._config={},e&&this.set_escape_ctrl_chars(!!e.escape_ctrl_chars)}set_escape_ctrl_chars(e){if('boolean'!=typeof e)throw'need boolean!';e!==this._config.escape_ctrl_chars&&(this._config.escape_ctrl_chars=e,this._setup_zdle_table())}escapes_ctrl_chars(){return!!this._config.escape_ctrl_chars}encode(e){if(!this._zdle_table)throw'No ZDLE encode table configured!';var _=this._zdle_table,n=this._lastcode,t=new ArrayBuffer(2*e.length),d=new Uint8Array(t),o=this._config.escape_ctrl_chars,i=0;for(r=0;r<e.length;r++){if(a=_[e[r]],!a)throw console.trace(),console.error('bad encode() call:',JSON.stringify(e)),this._lastcode=n,'Invalid octet: '+e[r];n=e[r],1===a||(o||2===a||64==(127&n))&&(d[i]=s,i++,n^=64),d[i]=n,i++}return this._lastcode=n,e.splice(0),e.push.apply(e,new Uint8Array(t,0,i)),e}static decode(e){for(var _=e.length-1;0<=_;_--)e[_]===s&&e.splice(_,2,e[_+1]-64);return e}static splice(_,n,t){var r=0;n||(n=0);for(var a=n;a<_.length&&r<t;a++)r++,_[a]===s&&a++;return r===t?_.length===a-1?void 0:(_.splice(0,n),e.decode(_.splice(0,a-n))):void 0}_setup_zdle_table(){for(var e=Array(256),_=0;_<e.length;_++)e[_]=96&_?1:_===s||_===t.ZMLIB.XOFF||_===t.ZMLIB.XON||_===(128|t.ZMLIB.XOFF)||_===(128|t.ZMLIB.XON)?2:16===_||144===_?this._config.turbo_escape?1:2:13===_||141===_?this._config.escape_ctrl_chars?2:this._config.turbo_escape?1:3:this._config.escape_ctrl_chars?2:1;this._zdle_table=e}}},function(e,_,n){'use strict';function t(){o=Array(256);for(var e,_=0;256>_;_++){e=_<<i-8&c;for(var n=0;8>n;n++)0==(e&p)?e<<=1:(e<<=1,e^=l);o[_]=e&c}}function r(e,_){return o||t(),o[255&_>>8]^(255&_)<<8^e}function a(e,_){if(e.join()!==_.join())throw new d.Error('crc',_,e)}const s=n(12);var d=e.exports;Object.assign(d,n(1),n(2));var o;const i=16,l=4129,c=65535,p=1<<i-1;d.CRC={crc16:function(e){for(var _=e[0],n=1;n<e.length;n++)_=r(e[n],_);return _=r(0,r(0,_)),d.ENCODELIB.pack_u16_be(_)},crc32:function(e){return d.ENCODELIB.pack_u32_le(s.buf(e)>>>0)},verify16:function(e,_){return a(this.crc16(e),_)},verify32:function(e,_){try{a(this.crc32(e),_)}catch(_){throw _.input=e.slice(0),_}}}},function(e,_,n){e.exports=n(6)},function(e,_,n){'use strict';function t(e){if(e.aborted())throw new r.Error('aborted')}var r=e.exports;window.Zmodem=r,Object.assign(r,n(7)),r.Browser={send_files:function(_,e,n){function r(){var a=s[i];return a?(i++,_.send_offer(a).then(function(s){return n.on_offer_response&&n.on_offer_response(a.obj,s),void 0===s?r():new Promise(function(e){var d=new FileReader;d.onerror=function(_){throw console.error('file read error',_),'File read error: '+_};var o;d.onprogress=function(r){r.target.result&&(o=new Uint8Array(r.target.result,s.get_offset()),t(_),s.send(o),n.on_progress&&n.on_progress(a.obj,s,o))},d.onload=function(d){o=new Uint8Array(d.target.result,s,o),t(_),s.end(o).then(function(){n.on_progress&&o.length&&n.on_progress(a.obj,s,o),n.on_file_complete&&n.on_file_complete(a.obj,s),e(r())})},d.readAsArrayBuffer(a.obj)})})):Promise.resolve()}n||(n={});for(var a,s=[],d=0,o=e.length-1;0<=o;o--)a=e[o],d+=a.size,s[o]={obj:a,name:a.name,size:a.size,mtime:new Date(a.lastModified),files_remaining:e.length-o,bytes_remaining:d};var i=0;return r()},save_to_disk:function(e,_){var n=new Blob(e),t=URL.createObjectURL(n),r=document.createElement('a');r.style.display='none',r.href=t,r.download=_,document.body.appendChild(r),r.click(),document.body.removeChild(r)}}},function(e,_,n){Object.assign(e.exports,n(8))},function(e,_,n){'use strict';var t=e.exports;Object.assign(t,n(0),n(9));const r=[42,42,24,66,48],a=['to_terminal','on_detect','on_retract','sender'];class s{constructor(e,_,n,t){this._confirmer=_,this._denier=n,this._is_valid=t,this._session_type=e}confirm(){return this._confirmer.apply(this,arguments)}deny(){return this._denier.apply(this,arguments)}is_valid(){return this._is_valid.apply(this,arguments)}get_session_role(){return this._session_type}}t.Sentry=class{constructor(e){if(!e)throw'Need options!';var _=this;a.forEach(function(n){if(!e[n])throw'Need \u201C'+n+'\u201D!';_['_'+n]=e[n]}),this._cache=[]}_after_session_end(){this._zsession=null}consume(e){if(e instanceof Array||(e=Array.prototype.slice.call(new Uint8Array(e))),this._zsession){var _=this._zsession;if(_.consume(e),_.has_ended())e='receive'===_.type?_.get_trailing_bytes():[];else return}var n=this._parse(e),t=e;if(n){let e=!!this._parsed_session;e&&(this._parsed_session.type===n.type&&(t=[]),this._on_retract()),this._parsed_session=n;var r=this;this._on_detect(new s(n.type,function(){if(!this.is_valid())throw'Stale ZMODEM session!';return n.on('garbage',r._to_terminal),n.on('session_end',r._after_session_end.bind(r)),n.set_sender(r._sender),delete r._parsed_session,r._zsession=n},this._send_abort.bind(this),function(){return r._parsed_session===n}))}else{var a=this._parsed_session;this._parsed_session=null,a&&(1===t.length&&67===t[0]&&this._send_abort(),this._on_retract())}this._to_terminal(t)}get_confirmed_session(){return this._zsession||null}_send_abort(){this._sender(t.ZMLIB.ABORT_SEQUENCE)}_parse(e){var _=this._cache;for(_.push.apply(_,e);;){let e=t.ZMLIB.find_subarray(_,r);if(-1===e)break;let n,a=_.splice(0,e);try{n=t.Session.parse(_)}catch(e){}if(!n)break;return 1===_.length&&_[0]===t.ZMLIB.XON&&_.shift(),_.length?null:n}return _.splice(21),null}}},function(e,_,n){'use strict';function t(e){return 0===r.ZMLIB.find_subarray(e,o)?e.splice(0,o.length):e[0]===o[o.length-1]&&e.splice(0,1),e}var r=e.exports;Object.assign(r,n(2),n(10),n(3),n(0),n(11),n(13),n(14),n(1));const a=['CANFDX','CANOVIO','CANFC32'],s='spool_uint8array',d=8,o=[79,79],i=r.ZMLIB.ABORT_SEQUENCE;class l{constructor(){this._on_evt={},this._evt_once_index={}}_Add_event(e){this._on_evt[e]=[],this._evt_once_index[e]=[]}_get_evt_queue(e){if(!this._on_evt[e])throw'Bad event: '+e;return this._on_evt[e]}on(e,_){var n=this._get_evt_queue(e);return n.push(_),this}off(e,_){var n=this._get_evt_queue(e);if(_){var t=n.indexOf(_);if(-1===t)throw'\u201C'+_+'\u201D is not in the \u201C'+e+'\u201D queue.';n.splice(t,1)}else n.pop();return this}_Happen(e){var _=this._get_evt_queue(e),n=Array.apply(null,arguments);n.shift();var t=this;return _.forEach(function(e){e.apply(t,n)}),_.length}}r.Session=class extends l{static parse(e){var _;try{_=r.Header.parse_hex(e)}catch(_){return}if(_)switch(_.NAME){case'ZRQINIT':return new r.Session.Receive;case'ZRINIT':return new r.Session.Send(_);}}set_sender(e){return this._sender=e,this}has_ended(){return this._has_ended()}consume(e){if(this._before_consume(e),this._aborted)throw new r.Error('already_aborted');return e.length?(this._strip_and_enqueue_input(e),void(this._check_for_abort_sequence(e)||this._consume_first())):void 0}aborted(){return!!this._aborted}constructor(){super(),this._config={},this._input_buffer=[],this._Add_event('receive'),this._Add_event('garbage'),this._Add_event('session_end')}get_role(){return this.type}_trim_leading_garbage_until_header(){var e=r.Header.trim_leading_garbage(this._input_buffer);e.length&&0===this._Happen('garbage',e)&&console.debug('Garbage: ',String.fromCharCode.apply(String,e),e)}_parse_and_consume_header(){this._trim_leading_garbage_until_header();var e=r.Header.parse(this._input_buffer);if(e)return this._consume_header(e[0]),this._last_header_name=e[0].NAME,this._last_header_crc=e[1],e[0]}_consume_header(e){this._on_receive(e);var _=this._next_header_handler[e.NAME];if(!_)throw console.error('Unhandled header!',e,this._next_header_handler),new r.Error('Unhandled header: '+e.NAME);this._next_header_handler=null,_.call(this,e)}_check_for_abort_sequence(){var e=r.ZMLIB.find_subarray(this._input_buffer,i);if(-1!==e)throw this._input_buffer.splice(0,e+i.length),this._aborted=!0,this._on_session_end(),new r.Error('peer_aborted')}_send_header(){if(!this._sender)throw'Need sender!';var e=Array.apply(null,arguments),_=this._create_header_bytes(e);this._sender(_[0]),this._last_sent_header=_[1]}_create_header_bytes(e){var _=r.Header.build.apply(r.Header,e),n=this._get_header_formatter(e[0]);return[_[n](this._zencoder),_]}_strip_and_enqueue_input(e){r.ZMLIB.strip_ignored_bytes(e),this._input_buffer.push.apply(this._input_buffer,e)}abort(){return this._sender(i.concat([d,d,d,d,d])),this._aborted=!0,this._sender=function(){throw new r.Error('already_aborted')},void this._on_session_end()}_on_session_end(){this._Happen('session_end')}_on_receive(e){this._Happen('receive',e)}_before_consume(){}},r.Session.Receive=class extends r.Session{constructor(){super(),this._Add_event('offer'),this._Add_event('data_in'),this._Add_event('file_end')}_before_consume(e){if(this._bytes_after_OO)throw'PROTOCOL: Session is completed!';this._bytes_being_consumed=e}get_trailing_bytes(){if(this._aborted)return[];if(!this._bytes_after_OO)throw'PROTOCOL: Session is not completed!';return this._bytes_after_OO.slice(0)}_has_ended(){return this.aborted()||!!this._bytes_after_OO}_get_header_formatter(){return'to_hex'}_parse_and_consume_subpacket(){var e=16===this._last_header_crc?'parse16':'parse32';var _=r.Subpacket[e](this._input_buffer);return _&&(this._consume_data(_),_.frame_end()&&(this._next_subpacket_handler=null)),_}_consume_first(){if(this._got_ZFIN){if(2>this._input_buffer.length)return;if(0===r.ZMLIB.find_subarray(this._input_buffer,o))return this._bytes_after_OO=t(this._bytes_being_consumed.slice(0)),void this._on_session_end();throw'PROTOCOL: Only thing after ZFIN should be \u201COO\u201D (79,79), not: '+array_buf.join()}var e;do e=this._next_subpacket_handler?this._parse_and_consume_subpacket():this._parse_and_consume_header();while(e&&this._input_buffer.length)}_consume_data(e){if(this._on_receive(e),!this._next_subpacket_handler)throw'PROTOCOL: Received unexpected data packet after '+this._last_header_name+' header: '+e.get_payload().join();this._next_subpacket_handler.call(this,e)}_octets_to_string(e){return this._textdecoder||(this._textdecoder=new r.Text.Decoder),this._textdecoder.decode(new Uint8Array(e))}_consume_ZFILE_data(e,_){if(this._file_info)throw'PROTOCOL: second ZFILE data subpacket received';var n=_.get_payload(),t=n.indexOf(0),r=this._octets_to_string(n.slice(0,t)),a=this._octets_to_string(n.slice(1+t)).split(' '),s=a[1]&&parseInt(a[1],8)||void 0;s&&(s=new Date(1e3*s)),this._file_info={name:r,size:a[0]?parseInt(a[0],10):null,mtime:s||null,mode:a[2]&&parseInt(a[2],8)||null,serial:a[3]&&parseInt(a[3],10)||null,files_remaining:a[4]?parseInt(a[4],10):null,bytes_remaining:a[5]?parseInt(a[5],10):null};var d=new f(e.get_options(),this._file_info,this._accept.bind(this),this._skip.bind(this));this._current_transfer=d}_consume_ZDATA_data(e){if(!this._accepted_offer)throw'PROTOCOL: Received data without accepting!';return this._offset_ok?void(this._file_offset+=e.get_payload().length,this._on_data_in(e),e.ack_expected()&&!e.frame_end()&&this._send_header('ZACK',r.ENCODELIB.pack_u32_le(this._file_offset))):(console.warn('offset not ok!'),void _send_ZRPOS())}_make_promise_for_between_files(){var e=this;return new Promise(function(_){var n={ZFILE:function(e){this._next_subpacket_handler=function(n){this._next_subpacket_handler=null,this._consume_ZFILE_data(e,n),this._Happen('offer',this._current_transfer),_(this._current_transfer)}},ZSINIT:function(){e._next_subpacket_handler=function(_){e._next_subpacket_handler=null,e._consume_ZSINIT_data(_),e._send_header('ZACK'),e._next_header_handler=n}},ZFIN:function(){this._consume_ZFIN(),_()}};e._next_header_handler=n})}_consume_ZSINIT_data(e){this._attn=e.get_payload()}start(){if(this._started)throw'Already started!';this._started=!0;var e=this._make_promise_for_between_files();return this._send_ZRINIT(),e}_accept(e){this._accepted_offer=!0,this._file_offset=e||0;var _=this,n=new Promise(function(e){_._next_header_handler={ZDATA:function(_){this._consume_ZDATA(_),this._next_subpacket_handler=this._consume_ZDATA_data,this._next_header_handler={ZEOF:function(_){this._next_subpacket_handler=null,this._consume_ZEOF(_);var n=this._make_promise_for_between_files();e(n)}}}}});return this._send_ZRPOS(),n}_skip(){var e=this._make_promise_for_between_files();if(this._accepted_offer){var _=function(){this._accepted_offer=!1,this._next_subpacket_handler=null,this._make_promise_for_between_files()}.bind(this);Object.assign(this._next_header_handler,{ZEOF:_,ZDATA:function(){_(),this._next_header_handler.ZEOF=_}.bind(this)})}return this._file_info=null,this._send_header('ZSKIP'),e}_send_ZRINIT(){this._send_header('ZRINIT',a)}_consume_ZFIN(){this._got_ZFIN=!0,this._send_header('ZFIN')}_consume_ZEOF(e){if(this._file_offset!==e.get_offset())throw'ZEOF offset mismatch; unimplemented (local: '+this._file_offset+'; ZEOF: '+e.get_offset()+')';this._send_ZRINIT(),this._on_file_end(),this._file_info=null,this._current_transfer=null}_consume_ZDATA(e){if(this._file_offset===e.get_offset())this._offset_ok=!0;else throw'Error correction is unimplemented.'}_send_ZRPOS(){this._send_header('ZRPOS',this._file_offset)}_on_file_end(){this._Happen('file_end'),this._current_transfer&&(this._current_transfer._Happen('complete'),this._current_transfer=null)}_on_data_in(e){this._Happen('data_in',e),this._current_transfer&&this._current_transfer._Happen('input',e.get_payload())}},Object.assign(r.Session.Receive.prototype,{type:'receive'});var c={get_details:function(){return Object.assign({},this._file_info)},get_options:function(){return Object.assign({},this._zfile_opts)},get_offset:function(){return this._file_offset}};class p{constructor(e,_,n,t){this._file_info=e,this._file_offset=_||0,this._send=n,this._end=t}send(e){this._send(e),this._file_offset+=e.length}end(e){var _=this._end(e||[]);return e&&(this._file_offset+=e.length),_}}Object.assign(p.prototype,c);class f extends l{constructor(e,_,n,t){super(),this._zfile_opts=e,this._file_info=_,this._accept_func=n,this._skip_func=t,this._Add_event('input'),this._Add_event('complete'),this.on('input',this._input_handler)}_verify_not_skipped(){if(this._skipped)throw new r.Error('Already skipped!')}skip(){return this._verify_not_skipped(),this._skipped=!0,this._skip_func.apply(this,arguments)}accept(e){if(this._verify_not_skipped(),this._accepted)throw new r.Error('Already accepted!');switch(this._accepted=!0,e||(e={}),this._file_offset=e.offset||0,e.on_input){case null:case void 0:case'spool_array':case s:this._spool=[];break;default:if('function'!=typeof e.on_input)throw'Invalid \u201Con_input\u201D: '+e.on_input;}return this._input_handler_mode=e.on_input||s,this._accept_func(this._file_offset).then(this._get_spool.bind(this))}_input_handler(e){if(this._file_offset+=e.length,'function'==typeof this._input_handler_mode)this._input_handler_mode(e);else{if(this._input_handler_mode===s)e=new Uint8Array(e);else if('spool_array'!==this._input_handler_mode)throw new r.Error('WTF?? _input_handler_mode = '+this._input_handler_mode);this._spool.push(e)}}_get_spool(){return this._spool}}Object.assign(f.prototype,c);const u={ZFILE:!0,ZDATA:!0};r.Session.Send=class extends r.Session{constructor(e){if(super(),!e)throw'Need first header!';else if('ZRINIT'!==e.NAME)throw'First header should be ZRINIT, not '+e.NAME;this._last_header_name='ZRINIT',this._subpacket_encode_func='encode16',this._zencoder=new r.ZDLE,this._consume_ZRINIT(e),this._file_offset=0;this._start_keepalive_on_set_sender=!0}set_sender(e){return super.set_sender(e),this._start_keepalive_on_set_sender&&(this._start_keepalive_on_set_sender=!1,this._start_keepalive()),this}_get_header_formatter(e){return u[e]?'to_binary16':'to_hex'}_start_keepalive(){if(!this._keepalive_promise){var e=this;this._keepalive_promise=new Promise(function(_){e._keepalive_timeout=setTimeout(_,5e3)}).then(function(){e._next_header_handler={ZACK:function(){e._got_ZSINIT_ZACK=!0}},e._send_ZSINIT(),e._keepalive_promise=null,e._start_keepalive()})}}_stop_keepalive(){this._keepalive_promise&&(clearTimeout(this._keepalive_timeout),this._keep_alive_promise=null)}_send_ZSINIT(){var e=[];this._zencoder.escapes_ctrl_chars()&&e.push('ESCCTL'),this._send_header_and_data(['ZSINIT',e],[0],'end_ack')}_consume_ZRINIT(e){if(this._last_ZRINIT=e,e.get_buffer_size())throw'Buffer size ('+e.get_buffer_size()+') is unsupported!';if(!e.can_full_duplex())throw'Half-duplex I/O is unsupported!';if(!e.can_overlap_io())throw'Non-overlap I/O is unsupported!';if(e.escape_8th_bit())throw'8-bit escaping is unsupported!';this._zencoder.set_escape_ctrl_chars(!0),!e.escape_ctrl_chars()&&console.debug('Peer didn\u2019t request escape of all control characters. Will send ZSINIT to force recognition of escaped control characters.')}_ensure_receiver_escapes_ctrl_chars(){var e,_=!this._last_ZRINIT.escape_ctrl_chars()&&!this._got_ZSINIT_ZACK;if(_){var n=this;e=new Promise(function(e){n._next_header_handler={ZACK:()=>{e()}},n._send_ZSINIT()})}else e=Promise.resolve();return e}_convert_params_to_offer_payload_array(e){e=r.Validation.offer_parameters(e);var _=e.name+'\0',n=[(e.size||0).toString(10),e.mtime?e.mtime.toString(8):'0',e.mode?(32768|e.mode).toString(8):'0','0'];return e.files_remaining&&(n.push(e.files_remaining),e.bytes_remaining&&n.push(e.bytes_remaining)),_+=n.join(' '),this._string_to_octets(_)}send_offer(e){if(!e)throw'need file params!';if(this._sending_file)throw'Already sending file!';var _=this._convert_params_to_offer_payload_array(e);this._stop_keepalive();var n=this,t=function(){var t=new Promise(function(_){n._next_header_handler={ZSKIP:function(){n._start_keepalive(),_()},ZRPOS:function(t){n._sending_file=!0,_(new p(e,t.get_offset(),n._send_interim_file_piece.bind(n),n._end_file.bind(n)))}}});return n._send_header_and_data(['ZFILE'],_,'end_ack'),delete n._sent_ZDATA,t};return this._ensure_receiver_escapes_ctrl_chars().then(t)}_send_header_and_data(e,_,n){var t=this._create_header_bytes(e),r=this._build_subpacket_bytes(_,n);t[0].push.apply(t[0],r),this._sender(t[0]),this._last_sent_header=t[1]}_build_subpacket_bytes(e,_){var n=r.Subpacket.build(e,_);return n[this._subpacket_encode_func](this._zencoder)}_build_and_send_subpacket(e,_){this._sender(this._build_subpacket_bytes(e,_))}_string_to_octets(e){this._textencoder||(this._textencoder=new r.Text.Encoder);var _=this._textencoder.encode(e);return Array.prototype.slice.call(_)}_send_interim_file_piece(e){return this._send_file_part(e,'no_end_no_ack'),Promise.resolve()}_ensure_we_are_sending(){if(!this._sending_file)throw'Not sending a file currently!'}_end_file(e){this._ensure_we_are_sending(),this._send_file_part(e,'end_no_ack');var _=this,n=new Promise(function(e){_._sending_file=!1,_._prepare_to_receive_ZRINIT(e)});return this._send_header('ZEOF',this._file_offset),this._file_offset=0,n}_prepare_to_receive_ZRINIT(e){this._next_header_handler={ZRINIT:function(_){this._consume_ZRINIT(_),e&&e()}}}close(){var e='ZRINIT'===this._last_header_name;if(e||(e='ZSKIP'===this._last_header_name),e||(e='ZSINIT'===this._last_sent_header.name&&'ZACK'===this._last_header_name),!e)throw'Can\u2019t close; last received header was \u201C'+this._last_header_name+'\u201D';var _=this,n=new Promise(function(e){_._next_header_handler={ZFIN:function(){_._sender(o),_._sent_OO=!0,_._on_session_end(),e()}}});return this._send_header('ZFIN'),n}_has_ended(){return this.aborted()||!!this._sent_OO}_send_file_part(e,_){this._sent_ZDATA||(this._send_header('ZDATA',this._file_offset),this._sent_ZDATA=!0);for(var n=0,t=e.length;;){var r=Math.min(n+8192,t)-n,a=r+n>=t,s=e.slice(n,n+r);if(s instanceof Array||(s=Array.prototype.slice.call(s)),this._build_and_send_subpacket(s,a?_:'no_end_no_ack'),this._file_offset+=r,n+=r,n>=t)break}}_consume_first(){if(!this._parse_and_consume_header()&&'67'===this._input_buffer.join())throw'Receiver has fallen back to YMODEM.'}_on_session_end(){this._stop_keepalive(),super._on_session_end()}},Object.assign(r.Session.Send.prototype,{type:'send'})},function(e){var _=e.exports;_.Text={Encoder:'undefined'==typeof TextEncoder?class{encode(e){e=unescape(encodeURIComponent(e));for(var _=Array(e.length),n=0;n<e.length;n++)_[n]=e.charCodeAt(n);return new Uint8Array(_)}}:TextEncoder,Decoder:'undefined'==typeof TextDecoder?class{decode(e){return decodeURIComponent(escape(String.fromCharCode.apply(String,e)))}}:TextDecoder}},function(e,_,n){'use strict';function t(e){if(!I[e])throw new c.Error('Invalid ZRINIT flag: '+e);return I[e]}function r(e){if(!k[e])throw'Invalid ZSINIT flag: '+e;return k[e]}function a(e){var _=j[e];if('string'==typeof _)throw'Received unsupported header: '+_;return s(_)}function s(e){return e.prototype instanceof S?new e(0):new e([])}function d(e){var _=c.ZDLE.splice(e,g.length,7);return _&&o(_)}function o(e){c.CRC.verify16(e.slice(0,5),e.slice(5));var _=e[0],n=a(_);return n._bytes4=e.slice(1,5),n}function i(e){var _=c.ZDLE.splice(e,y.length,9);if(_){c.CRC.verify32(_.slice(0,5),_.slice(5));var n=_[0],t=a(n);return t._bytes4=_.slice(1,5),t}}function l(e){var _=e.indexOf(138);-1===_&&(_=e.indexOf(10));var n,t;if(-1===_)return void(11<e.length&&(n='Invalid hex header - no LF detected within 12 bytes!'));if(t=e.splice(0,_),e.shift(),19===t.length){var r=t.pop();13!==r&&141!==r&&(n='Invalid hex header: (CR/)LF doesn\u2019t have CR!')}else 18!==t.length&&(n='Invalid hex header: invalid number of bytes before LF!');if(n)throw n+=' ('+t.length+' bytes: '+t.join()+')',n;t.splice(0,4);var a=c.ENCODELIB.parse_hex_octets(t);return o(a)}var c=e.exports;Object.assign(c,n(2),n(3),n(0),n(4),n(1));const p=42,f=65,u=67,h=[13,10],b=h.slice(0).concat([c.ZMLIB.XON]),m=[p,p,c.ZMLIB.ZDLE,66],g=[p,c.ZMLIB.ZDLE,f],y=[p,c.ZMLIB.ZDLE,u];c.Header=class{static trim_leading_garbage(e){var _,n,t=[];TRIM_LOOP:for(;e.length&&!n;){var r=e.indexOf(p);if(-1===r){_=!0;break TRIM_LOOP}else{if(t.push.apply(t,e.splice(0,r)),2>e.length)break TRIM_LOOP;else if(e[1]===p){if(!(e.length<m.length))e[2]===m[2]&&e[3]===m[3]&&(n=l);else if(e.join()===m.slice(0,e.length).join())break TRIM_LOOP;}else if(e[1]===c.ZMLIB.ZDLE){if(e.length<g.length)break TRIM_LOOP;e[2]===g[2]?n=d:e[2]===y[2]&&(n=i)}n||t.push(e.shift())}}return _&&t.push.apply(t,e.splice(0)),t}static parse(e){var _;if(e[1]===p)return _=l(e),_&&[_,16];if(e[2]===f)return _=d(e,3),_&&[_,16];if(e[2]===u)return _=i(e),_&&[_,32];if(!(3>e.length))throw'Unrecognized/unsupported octets: '+e.join()}static build(e){var _=1===arguments.length?[arguments[0]]:Array.apply(null,arguments),n=H[e];if(!n)throw'No frame class \u201C'+e+'\u201D is defined!';_.shift();var t=new(n.bind.apply(n,[null].concat(_)));return t}to_hex(){var e=this._crc_bytes();return m.concat(c.ENCODELIB.octets_to_hex(e.concat(c.CRC.crc16(e))),this._hex_header_ending)}to_binary16(e){return this._to_binary(e,g,c.CRC.crc16)}to_binary32(e){return this._to_binary(e,y,c.CRC.crc32)}constructor(){this._bytes4||(this._bytes4=[0,0,0,0])}_to_binary(e,_,n){var t=this._crc_bytes(),r=_.concat(e.encode(t.concat(n(t))));return r}_crc_bytes(){return[this.TYPENUM].concat(this._bytes4)}},c.Header.prototype._hex_header_ending=b;class Z extends c.Header{}const I={CANFDX:1,CANOVIO:2,CANBRK:4,CANCRY:8,CANLZW:16,CANFC32:32,ESCCTL:64,ESC8:128};class E extends c.Header{constructor(e,_){super();var n=0;_||(_=0),e.forEach(function(e){n|=t(e)}),this._bytes4=[255&_,_>>8,0,n]}get_buffer_size(){return c.ENCODELIB.unpack_u16_be(this._bytes4.slice(0,2))||void 0}can_full_duplex(){return!!(this._bytes4[3]&I.CANFDX)}can_overlap_io(){return!!(this._bytes4[3]&I.CANOVIO)}can_break(){return!!(this._bytes4[3]&I.CANBRK)}can_fcs_32(){return!!(this._bytes4[3]&I.CANFC32)}escape_ctrl_chars(){return!!(this._bytes4[3]&I.ESCCTL)}escape_8th_bit(){return!!(this._bytes4[3]&I.ESC8)}}const k={ESCCTL:64,ESC8:128};class v extends c.Header{constructor(e,_){super();var n=0;if(e.forEach(function(e){n|=r(e)}),this._bytes4=[0,0,0,n],_){if(31<_.length)throw'Attn sequence must be <= 31 bytes';if(_.some(function(e){return 255<e}))throw'Attn sequence ('+_+') must be <256';this._data=_.concat([0])}}escape_ctrl_chars(){return!!(this._bytes4[3]&k.ESCCTL)}escape_8th_bit(){return!!(this._bytes4[3]&k.ESC8)}}class C extends c.Header{constructor(e){super(),e&&(this._bytes4=e.slice())}}C.prototype._hex_header_ending=h;const N={extended:{sparse:64},transport:[void 0,'compress','encrypt','rle'],management:[void 0,'newer_or_longer','crc','append','clobber','newer','mtime_or_length','protect','rename'],conversion:[void 0,'binary','text','resume']},x=['extended','transport','management','conversion'];class O extends c.Header{get_options(){var e={sparse:!!(this._bytes4[0]&64)},_=this._bytes4.slice(0);return x.forEach(function(n,t){if(N[n]instanceof Array)'management'===n&&(e.skip_if_absent=!!(_[t]&128),_[t]&=31),e[n]=N[n][_[t]];else for(var r in N[n])e[r]=!!(_[t]&N[n][r]),e[r]&&(_[t]^=N[n][r]);!e[n]&&_[t]&&(e[n]='unknown:'+_[t])}),e}}class A extends c.Header{}class L extends c.Header{}class T extends c.Header{}class R extends c.Header{}T.prototype._hex_header_ending=h;class S extends c.Header{constructor(e){super(),this._bytes4=c.ENCODELIB.pack_u32_le(e)}get_offset(){return c.ENCODELIB.unpack_u32_le(this._bytes4)}}class D extends S{}class M extends S{}class F extends S{}const B=[[Z,'ZRQINIT'],[E,'ZRINIT'],[v,'ZSINIT'],[C,'ZACK'],[O,'ZFILE'],[A,'ZSKIP'],void 0,[L,'ZABORT'],[T,'ZFIN'],[D,'ZRPOS'],[M,'ZDATA'],[F,'ZEOF'],[R,'ZFERR'],void 0,void 0,void 0,void 0,void 0,void 0,void 0];for(var H={},z=0;z<B.length;z++)B[z]&&(H[B[z][1]]=B[z][0],Object.assign(B[z][0].prototype,{TYPENUM:z,NAME:B[z][1]}));const j=[Z,E,v,C,O,A,'ZNAK',L,T,D,M,F,R,'ZCRC','ZCHALLENGE','ZCOMPL','ZCAN','ZFREECNT','ZCOMMAND','ZSTDERR'];c.Header.parse_hex=l},function(e,_){var n;(function(e){'undefined'==typeof DO_NOT_EXPORT_CRC?e(_):e(n={})})(function(e){function _(e,_){for(var t=-1^_,r=e.length-7,a=0;a<r;)t=t>>>8^n[255&(t^e[a++])],t=t>>>8^n[255&(t^e[a++])],t=t>>>8^n[255&(t^e[a++])],t=t>>>8^n[255&(t^e[a++])],t=t>>>8^n[255&(t^e[a++])],t=t>>>8^n[255&(t^e[a++])],t=t>>>8^n[255&(t^e[a++])],t=t>>>8^n[255&(t^e[a++])];for(;a<r+7;)t=t>>>8^n[255&(t^e[a++])];return-1^t}e.version='1.1.1';var n=function(){for(var e=0,_=Array(256),t=0;256!=t;++t)e=t,e=1&e?-306674912^e>>>1:e>>>1,e=1&e?-306674912^e>>>1:e>>>1,e=1&e?-306674912^e>>>1:e>>>1,e=1&e?-306674912^e>>>1:e>>>1,e=1&e?-306674912^e>>>1:e>>>1,e=1&e?-306674912^e>>>1:e>>>1,e=1&e?-306674912^e>>>1:e>>>1,e=1&e?-306674912^e>>>1:e>>>1,_[t]=e;return'undefined'==typeof Int32Array?_:new Int32Array(_)}();e.table=n,e.bstr=function(e,_){for(var t=-1^_,r=e.length-1,a=0;a<r;)t=t>>>8^n[255&(t^e.charCodeAt(a++))],t=t>>>8^n[255&(t^e.charCodeAt(a++))];return a==r&&(t=t>>>8^n[255&(t^e.charCodeAt(a))]),-1^t},e.buf=function(e,t){if(1e4<e.length)return _(e,t);for(var r=-1^t,a=e.length-3,s=0;s<a;)r=r>>>8^n[255&(r^e[s++])],r=r>>>8^n[255&(r^e[s++])],r=r>>>8^n[255&(r^e[s++])],r=r>>>8^n[255&(r^e[s++])];for(;s<a+3;)r=r>>>8^n[255&(r^e[s++])];return-1^r},e.str=function(e,_){for(var t,r,a=-1^_,s=0,d=e.length;s<d;)t=e.charCodeAt(s++),128>t?a=a>>>8^n[255&(a^t)]:2048>t?(a=a>>>8^n[255&(a^(192|31&t>>6))],a=a>>>8^n[255&(a^(128|63&t))]):55296<=t&&57344>t?(t=(1023&t)+64,r=1023&e.charCodeAt(s++),a=a>>>8^n[255&(a^(240|7&t>>8))],a=a>>>8^n[255&(a^(128|63&t>>2))],a=a>>>8^n[255&(a^(128|15&r>>6|(3&t)<<4))],a=a>>>8^n[255&(a^(128|63&r))]):(a=a>>>8^n[255&(a^(224|15&t>>12))],a=a>>>8^n[255&(a^(128|63&t>>6))],a=a>>>8^n[255&(a^(128|63&t))]);return-1^a}})},function(e,_,n){'use strict';var t=e.exports;Object.assign(t,n(4),n(3),n(0),n(1));var r;t.Subpacket=class e{static build(e,_){var n=r[_];if(!n)throw'No subpacket type \u201C'+_+'\u201D is defined! Try one of: '+Object.keys(r).join(', ');return new n(e)}encode16(e){return this._encode(e,t.CRC.crc16)}encode32(e){return this._encode(e,t.CRC.crc32)}get_payload(){return this._payload}static parse16(_){return e._parse(_,2)}static parse32(_){return e._parse(_,4)}constructor(e){this._payload=e}_encode(e,_){return e.encode(this._payload.slice(0)).concat([t.ZMLIB.ZDLE,this._frameend_num],e.encode(_(this._payload.concat(this._frameend_num))))}static _parse(e,_){for(var n,r,a={104:d,105:i,106:l,107:o},s=0;s<e.length;){if(s=e.indexOf(t.ZMLIB.ZDLE,s),-1===s)return;var c=e[s+1];if(r=a[c],r){n=s+1;break}s++}if(r){var p=e[n];if(e[n-1]!==t.ZMLIB.ZDLE)throw'Byte before frame end should be ZDLE, not '+e[n-1];var f=e.splice(0,n-1),u=t.ZDLE.splice(e,2,_);if(!u)return void e.unshift.apply(e,f);var h=t.ZDLE.decode(f);return t.CRC[2===_?'verify16':'verify32'](h.concat([p]),u),new r(h,u)}}};class a extends t.Subpacket{frame_end(){return!0}}class s extends t.Subpacket{frame_end(){return!1}}class d extends a{ack_expected(){return!1}}d.prototype._frameend_num=104;class o extends a{ack_expected(){return!0}}o.prototype._frameend_num=107;class i extends s{ack_expected(){return!1}}i.prototype._frameend_num=105;class l extends s{ack_expected(){return!0}}l.prototype._frameend_num=106,r={end_no_ack:d,end_ack:o,no_end_no_ack:i,no_end_ack:l}},function(e,_,n){'use strict';function t(e,_){if(0>_)throw new a.Error('validation','\u201C'+e+'\u201D ('+_+') must be nonnegative.');if(_!==r(_))throw new a.Error('validation','\u201C'+e+'\u201D ('+_+') must be an integer.')}var r=Math.floor,a=e.exports;Object.assign(a,n(1));const s=/\*\x18[AC]|\*\*\x18B/;a.Validation={offer_parameters:function(e){if(!e.name)throw new a.Error('validation','Need \u201Cname\u201D!');if('string'!=typeof e.name)throw new a.Error('validation','\u201Cname\u201D ('+e.name+') must be a string!');if(e=Object.assign({},e),s.test(e.name)&&console.warn('The filename '+JSON.stringify(name)+' contains characters that look like a ZMODEM header. This could corrupt the ZMODEM session; consider renaming it so that the filename doesn\u2019t contain control characters.'),null!==e.serial&&void 0!==e.serial)throw new a.Error('validation','\u201Cserial\u201D is meaningless.');if(e.serial=null,['size','mode','files_remaining','bytes_remaining'].forEach(function(_){var n;switch(typeof e[_]){case'object':n=null===e[_];break;case'undefined':e[_]=null,n=!0;break;case'number':t(_,e[_]),n=!0;}if(!n)throw new a.Error('validation','\u201C'+_+'\u201D ('+e[_]+') must be null, undefined, or a number.')}),'number'==typeof e.mode&&(e.mode|=32768),0===e.files_remaining)throw new a.Error('validation','\u201Cfiles_remaining\u201D, if given, must be positive.');var _;switch(typeof e.mtime){case'object':if(_=!0,e.mtime instanceof Date){var n=e.mtime;if(e.mtime=r(n.getTime()/1e3),0>e.mtime)throw new a.Error('validation','\u201Cmtime\u201D ('+n+') must not be earlier than 1970.')}else null!==e.mtime&&(_=!1);break;case'undefined':e.mtime=null,_=!0;break;case'number':t('mtime',e.mtime),_=!0;}if(!_)throw new a.Error('validation','\u201Cmtime\u201D ('+e.mtime+') must be null, undefined, a Date, or a number.');return e}}}]);
\ No newline at end of file
diff --git a/templates/assets/ssh_terminal.html b/templates/assets/ssh_terminal.html
index 9c6236d..0041af7 100644
--- a/templates/assets/ssh_terminal.html
+++ b/templates/assets/ssh_terminal.html
@@ -60,21 +60,21 @@
 </div>
 </body>
 
+<script src="{% static 'xterm/zmodem/zmodem.min.js' %}"></script>
 <script src="{% static 'AdminLTE/bower_components/jquery/dist/jquery.min.js' %}"></script>
 <script src="{% static 'AdminLTE/bower_components/bootstrap/dist/js/bootstrap.min.js' %}"></script>
 <script src="{% static 'bootstrap-fileinput/js/fileinput.min.js' %}"></script>
-<script src="{% static 'js/xterm.js' %}"></script>
-<script src="{% static 'js/fit.js' %}"></script>
-{#<script src="{% static 'zomdemjs/zmodem.js' %}"></script>#}
+<script src="{% static 'xterm/xterm.min.js' %}"></script>
+<script src="{% static 'js/bootbox.min.js' %}"></script>
 <script src="{% static 'jquery-confirm/dist/jquery-confirm.min.js' %}"></script>
-{#<script src="https://cdn.bootcss.com/xterm/3.14.5/addons/zmodem/zmodem.js"></script>#}
 <script>
     let cols = get_term_size().cols;
     let rows = get_term_size().rows;
     let ws_scheme = window.location.protocol === "https:" ? "wss" : "ws";
     let socket = new WebSocket(ws_scheme + '://' + window.location.host + '/ws/webssh/{{ pk }}/?remote_ip={{ remote_ip }}' + '&width=' + cols + '&height=' + rows);
 
-    // Terminal.applyAddon(zmodem);
+    socket.binaryType = "arraybuffer";
+
     let term = new Terminal({
         screenKeys: true,
         useStyle: true,
@@ -83,7 +83,27 @@
         rows: rows
     });
 
-    //term.zmodemAttach(socket, {noTerminalWriteOutsideSession: true,});
+    let zsentry = new Zmodem.Sentry({
+        to_terminal: function (octets) {
+        },  //i.e. send to the terminal
+
+        on_detect(detection) {
+            let zsession = detection.confirm();
+
+            if (zsession.type === "send") {
+                uploadFile(zsession);
+            } else {
+                downloadFile(zsession);
+            }
+        },
+
+        on_retract: function () {
+        },
+
+        sender: function (octets) {
+            socket.send(new Uint8Array(octets))
+        },
+    });
 
 
     socket.onopen = function () {
@@ -97,8 +117,11 @@
     });
 
     socket.onmessage = function (msg) {
-        term.write(msg.data);
-
+        if (typeof (msg.data) === 'string') {
+            term.write(msg.data);
+        } else {
+            zsentry.consume(msg.data);
+        }
     };
     socket.onerror = function () {
         document.getElementById('terms').innerHTML = '<h3>连接失败！请查看日志！</h3>';
@@ -121,6 +144,116 @@
         }
     }
 
+    function uploadFile(zsession) {
+        let uploadHtml = "<div>" +
+            "<label class='upload-area' style='width:100%;text-align:center;' for='fupload'>" +
+            "<input id='fupload' name='fupload' type='file' style='display:none;' multiple='true'>" +
+            "<i class='fa fa-cloud-upload fa-3x'></i>" +
+            "<br />" +
+            "点击选择文件" +
+            "</label>" +
+            "<br />" +
+            "<span style='margin-left:5px !important;' id='fileList'></span>" +
+            "</div><div class='clearfix'></div>";
+
+        let upload_dialog = bootbox.dialog({
+            message: uploadHtml,
+            title: "上传文件",
+            buttons: {
+                cancel: {
+                    label: '关闭',
+                    className: 'btn-default',
+                    callback: function (res) {
+                        try {
+                            // zsession 每 5s 发送一个 ZACK 包，5s 后会出现提示最后一个包是 ”ZACK“ 无法正常关闭
+                            // 这里直接设置 _last_header_name 为 ZRINIT，就可以强制关闭了
+                            zsession._last_header_name = "ZRINIT";
+                            zsession.close();
+                        } catch (e) {
+                            console.log(e);
+                        }
+                    }
+                },
+            },
+            closeButton: false,
+        });
+
+        function hideModal() {
+            upload_dialog.modal('hide');
+        }
+
+        let file_el = document.getElementById("fupload");
+
+        return new Promise((res) => {
+            file_el.onchange = function (e) {
+                let files_obj = file_el.files;
+                hideModal();
+                Zmodem.Browser.send_files(zsession, files_obj, {
+                        on_offer_response(obj, xfer) {
+                            if (xfer) {
+                                // term.write("\r\n");
+                            } else {
+                                term.write(obj.name + " was upload skipped\r\n");
+                            }
+                        },
+                        on_progress(obj, xfer) {
+                            updateProgress(xfer);
+                        },
+                        on_file_complete(obj) {
+                            term.write("\r\n" + obj.name + " was upload success\r\n");
+                        },
+                    }
+                ).then(zsession.close.bind(zsession), console.error.bind(console)
+                ).then(() => {
+                    res();
+                });
+            };
+        });
+    }
+
+
+    function updateProgress(xfer) {
+        let detail = xfer.get_details();
+        let name = detail.name;
+        let total = detail.size;
+        let percent;
+        if (total === 0) {
+            percent = 100
+        } else {
+            percent = Math.round(xfer._file_offset / total * 100);
+        }
+
+        term.write("\r" + name + ": " + total + " " + xfer._file_offset + " " + percent + "%    ");
+    }
+
+    function downloadFile(zsession) {
+        zsession.on("offer", (xfer) => {
+
+            let FILE_BUFFER = [];
+            xfer.on("input", (payload) => {
+                updateProgress(xfer);
+                FILE_BUFFER.push(new Uint8Array(payload));
+            });
+
+            xfer.accept().then(
+                () => {
+                    Zmodem.Browser.save_to_disk(
+                        FILE_BUFFER,
+                        xfer.get_details().name
+                    );
+                },
+                console.error.bind(console)
+            );
+
+        });
+
+        zsession.on("session_end", () => {
+            term.write("\r\n");
+        });
+
+        zsession.start();
+    }
+
     $("#upload_file").fileinput({
         language: 'zh',
         showUpload: true,
@@ -128,7 +261,7 @@
         msgPlaceholder: '上传文件...',
         showPreview: false,
         showCaption: true,
-        maxFileSize: 10240,
+        maxFileSize: 1024 * 50,
         maxFileCount: 10,
         uploadUrl: '/assets/ssh/{{ pk }}/',
         mergeAjaxCallbacks: true,
@@ -170,8 +303,8 @@
             '清空',
         uploadLabel:
             '上传'
-    })
-    ;
+    });
+
     $('.download_file').on('click', function () {
         let download_file = $('#download_file').val();
         if (download_file.length !== 0) {
diff --git a/templates/fort/terminal.html b/templates/fort/terminal.html
index 12ce670..f8b6df9 100644
--- a/templates/fort/terminal.html
+++ b/templates/fort/terminal.html
@@ -11,6 +11,7 @@
     <link href="{% static 'bootstrap-fileinput/css/fileinput.min.css' %}" media="all" rel="stylesheet" type="text/css"/>
     <link href="{% static 'css/xterm.css' %}" rel="stylesheet" type="text/css"/>
     <link rel="stylesheet" href="{% static 'jquery-confirm/dist/jquery-confirm.min.css' %}">
+
     <style>
         @media screen and (max-width: 750px) {
             .main-header {
@@ -58,10 +59,12 @@
 </div>
 </body>
 
+<script src="{% static 'xterm/zmodem/zmodem.min.js' %}"></script>
 <script src="{% static 'AdminLTE/bower_components/jquery/dist/jquery.min.js' %}"></script>
 <script src="{% static 'AdminLTE/bower_components/bootstrap/dist/js/bootstrap.min.js' %}"></script>
 <script src="{% static 'bootstrap-fileinput/js/fileinput.min.js' %}"></script>
-<script src="{% static 'js/xterm.js' %}"></script>
+<script src="{% static 'xterm/xterm.min.js' %}"></script>
+<script src="{% static 'js/bootbox.min.js' %}"></script>
 <script src="{% static 'jquery-confirm/dist/jquery-confirm.min.js' %}"></script>
 <script>
     let cols = get_term_size().cols;
@@ -77,6 +80,27 @@
         rows: rows
     });
 
+    let zsentry = new Zmodem.Sentry({
+        to_terminal: function (octets) {
+        },  //i.e. send to the terminal
+
+        on_detect(detection) {
+            let zsession = detection.confirm();
+
+            if (zsession.type === "send") {
+                uploadFile(zsession);
+            } else {
+                downloadFile(zsession);
+            }
+        },
+
+        on_retract: function () {
+        },
+
+        sender: function (octets) {
+            socket.send(new Uint8Array(octets))
+        },
+    });
 
     socket.onopen = function () {
         // $("#terms").css("height", document.documentElement.clientHeight - $('.main-header').height());
@@ -101,15 +125,125 @@
 
     function get_term_size() {
         let init_width = 10;
-        let init_height = 20;
+        let init_height = 17;
 
         let windows_width = $(window).width();
         let windows_height = document.documentElement.clientHeight - $('.main-header').height();
 
         return {
             cols: Math.floor(windows_width / init_width),
-            rows: Math.floor(windows_height / init_height),
+            rows: Math.floor(windows_height / init_height) - 1,
+        }
+    }
+
+    function uploadFile(zsession) {
+        let uploadHtml = "<div>" +
+            "<label class='upload-area' style='width:100%;text-align:center;' for='fupload'>" +
+            "<input id='fupload' name='fupload' type='file' style='display:none;' multiple='true'>" +
+            "<i class='fa fa-cloud-upload fa-3x'></i>" +
+            "<br />" +
+            "点击选择文件" +
+            "</label>" +
+            "<br />" +
+            "<span style='margin-left:5px !important;' id='fileList'></span>" +
+            "</div><div class='clearfix'></div>";
+
+        let upload_dialog = bootbox.dialog({
+            message: uploadHtml,
+            title: "上传文件",
+            buttons: {
+                cancel: {
+                    label: '关闭',
+                    className: 'btn-default',
+                    callback: function (res) {
+                        try {
+                            // zsession 每 5s 发送一个 ZACK 包，5s 后会出现提示最后一个包是 ”ZACK“ 无法正常关闭
+                            // 这里直接设置 _last_header_name 为 ZRINIT，就可以强制关闭了
+                            zsession._last_header_name = "ZRINIT";
+                            zsession.close();
+                        } catch (e) {
+                            console.log(e);
+                        }
+                    }
+                },
+            },
+            closeButton: false,
+        });
+
+        function hideModal() {
+            upload_dialog.modal('hide');
         }
+
+        let file_el = document.getElementById("fupload");
+
+        return new Promise((res) => {
+            file_el.onchange = function (e) {
+                let files_obj = file_el.files;
+                hideModal();
+                Zmodem.Browser.send_files(zsession, files_obj, {
+                        on_offer_response(obj, xfer) {
+                            if (xfer) {
+                                // term.write("\r\n");
+                            } else {
+                                term.write(obj.name + " was upload skipped\r\n");
+                            }
+                        },
+                        on_progress(obj, xfer) {
+                            updateProgress(xfer);
+                        },
+                        on_file_complete(obj) {
+                            term.write("\r\n" + obj.name + " was upload success\r\n");
+                        },
+                    }
+                ).then(zsession.close.bind(zsession), console.error.bind(console)
+                ).then(() => {
+                    res();
+                });
+            };
+        });
+    }
+
+
+    function updateProgress(xfer) {
+        let detail = xfer.get_details();
+        let name = detail.name;
+        let total = detail.size;
+        let percent;
+        if (total === 0) {
+            percent = 100
+        } else {
+            percent = Math.round(xfer._file_offset / total * 100);
+        }
+
+        term.write("\r" + name + ": " + total + " " + xfer._file_offset + " " + percent + "%    ");
+    }
+
+    function downloadFile(zsession) {
+        zsession.on("offer", (xfer) => {
+
+            let FILE_BUFFER = [];
+            xfer.on("input", (payload) => {
+                updateProgress(xfer);
+                FILE_BUFFER.push(new Uint8Array(payload));
+            });
+
+            xfer.accept().then(
+                () => {
+                    Zmodem.Browser.save_to_disk(
+                        FILE_BUFFER,
+                        xfer.get_details().name
+                    );
+                },
+                console.error.bind(console)
+            );
+
+        });
+
+        zsession.on("session_end", () => {
+            term.write("\r\n");
+        });
+
+        zsession.start();
     }
 
 
diff --git a/utils/ssh.py b/utils/ssh.py
index 8f90739..bf1f1f8 100644
--- a/utils/ssh.py
+++ b/utils/ssh.py
@@ -26,6 +26,11 @@
 from django.http.request import QueryDict
 from channels.generic.websocket import WebsocketConsumer
 
+zmodemszstart = b'rz\r**\x18B00000000000000\r\x8a'
+zmodemend = b'**\x18B0800000000022d\r\x8a'
+zmodemrzstart = b'rz waiting to receive.**\x18B0100000023be50\r\x8a'
+zmodemcancel = b'\x18\x18\x18\x18\x18\x08\x08\x08\x08\x08'
+
 
 class MyThread(threading.Thread):
     def __init__(self, chan):
@@ -42,25 +47,57 @@ def stop(self):
     def run(self):
         while not self._stop_event.is_set() or not self.chan.chan.exit_status_ready():
             try:
-                data = self.chan.chan.recv(1024)
-                if data:
-                    str_data = data.decode('utf-8', 'ignore')
-                    self.chan.send(str_data)
-                    self.stdout.append([time.time() - self.start_time, 'o', str_data])
-                    if self.chan.tab_mode:
-                        tmp = str_data.split(' ')
-                        if len(tmp) == 2 and tmp[1] == '' and tmp[0] != '':
-                            self.chan.cmd_tmp = self.chan.cmd_tmp + tmp[0].encode().replace(b'\x07', b'').decode()
-                        elif len(tmp) == 1 and tmp[0].encode() != b'\x07':  # \x07 蜂鸣声
-                            self.chan.cmd_tmp = self.chan.cmd_tmp + tmp[0].encode().replace(b'\x07', b'').decode()
-                        self.chan.tab_mode = False
-                    if self.chan.history_mode:
-                        self.chan.index = 0
-                        if str_data.strip() != '':
-                            self.chan.cmd_tmp = re.sub(r'(?:\x1B[@-_]|[\x80-\x9F])[0-?]*[ -/]*[@-~]|\x08', '', str_data)
-                        self.chan.history_mode = False
+                if self.chan.zmodemOO:
+                    self.chan.zmodemOO = False
+                    data = self.chan.chan.recv(2)
+                    if not len(data):
+                        return
+                    if data == b'OO':
+                        self.chan.send(bytes_data=data)
+                        continue
+                    else:
+                        data += self.chan.chan.recv(4096)
                 else:
-                    return
+                    data = self.chan.chan.recv(4096)
+                    if not len(data):
+                        return
+
+                # data = self.chan.chan.recv(1024)
+                # if data:
+                if self.chan.zmodem:
+                    if zmodemend in data:
+                        self.chan.zmodem = False
+                        self.chan.zmodemOO = True
+
+                    if zmodemcancel in data:
+                        self.chan.zmodem = False
+                        self.chan.chan.send('\n')
+                    self.chan.send(bytes_data=data)
+                else:
+                    if zmodemszstart in data or zmodemrzstart in data:
+                        self.chan.zmodem = True
+                        self.chan.send(bytes_data=data)
+                    else:
+                        str_data = data.decode('utf-8', 'ignore')
+                        self.chan.send(str_data)
+                        self.stdout.append([time.time() - self.start_time, 'o', str_data])
+                        if self.chan.tab_mode:
+                            tmp = str_data.split(' ')
+                            if len(tmp) == 2 and tmp[1] == '' and tmp[0] != '':
+                                self.chan.cmd_tmp = self.chan.cmd_tmp + tmp[0].encode().replace(b'\x07',
+                                                                                                b'').decode()
+                            elif len(tmp) == 1 and tmp[0].encode() != b'\x07':  # \x07 蜂鸣声
+                                self.chan.cmd_tmp = self.chan.cmd_tmp + tmp[0].encode().replace(b'\x07',
+                                                                                                b'').decode()
+                            self.chan.tab_mode = False
+                        if self.chan.history_mode:
+                            self.chan.index = 0
+                            if str_data.strip() != '':
+                                self.chan.cmd_tmp = re.sub(r'(?:\x1B[@-_]|[\x80-\x9F])[0-?]*[ -/]*[@-~]|\x08', '',
+                                                           str_data)
+                            self.chan.history_mode = False
+                # else:
+                #     return
             except timeout:
                 break
         self.chan.send('\n由于长时间没有操作，连接已断开!', close=True)
@@ -150,6 +187,8 @@ def __init__(self, *args, **kwargs):
         self.tab_mode = False  # 使用tab命令补全时需要读取返回数据然后添加到当前输入命令后
         self.history_mode = False
         self.index = 0
+        self.zmodem = False
+        self.zmodemOO = False
 
     def connect(self):
         if self.scope["user"].is_anonymous:
@@ -172,8 +211,11 @@ def connect(self):
         self.t1.start()
 
     def receive(self, text_data=None, bytes_data=None):
-        self.chan.send(text_data)
-        self.gen_cmd(text_data)
+        if text_data:
+            self.chan.send(text_data)
+            self.gen_cmd(text_data)
+        else:
+            self.chan.send(bytes_data)
 
     def disconnect(self, close_code):
         try: