From a27c74b9aa2731a49c5ae0ab2f7b29405bfc7ec3 Mon Sep 17 00:00:00 2001
From: caishi <1149225589@qq.com>
Date: Thu, 8 Apr 2021 18:14:19 +0800
Subject: [PATCH] ssh-2

---
 package-lock.json                        |  17 +-
 package.json                             |   4 +-
 src/forge/DevOps/OpsDetailRightpanel.jsx |   9 +-
 src/forge/DevOps/ssh/Index.jsx           |  14 ++
 src/forge/DevOps/ssh/XmlPanel.jsx        | 218 +++++++++++++++++++++++
 src/forge/DevOps/ssh/mediator.jsx        |  46 +++++
 6 files changed, 298 insertions(+), 10 deletions(-)
 create mode 100644 src/forge/DevOps/ssh/Index.jsx
 create mode 100644 src/forge/DevOps/ssh/XmlPanel.jsx
 create mode 100644 src/forge/DevOps/ssh/mediator.jsx

diff --git a/package-lock.json b/package-lock.json
index f5aabc0e..2bb26e24 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,5 +1,5 @@
 {
-  "name": "educoder",
+  "name": "forge",
   "version": "0.1.0",
   "lockfileVersion": 1,
   "requires": true,
@@ -3888,11 +3888,6 @@
         "randomfill": "^1.0.3"
       }
     },
-    "crypto-js": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npm.taobao.org/crypto-js/download/crypto-js-4.0.0.tgz",
-      "integrity": "sha1-KQSrJnep0EKFai6i74DekuSjbcw="
-    },
     "crypto-random-string": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/crypto-random-string/-/crypto-random-string-1.0.0.tgz",
@@ -20480,6 +20475,16 @@
       "integrity": "sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==",
       "dev": true
     },
+    "xterm": {
+      "version": "4.8.1",
+      "resolved": "https://registry.npm.taobao.org/xterm/download/xterm-4.8.1.tgz",
+      "integrity": "sha1-FVoXKaQ+Gom0BlJOIsVjQznjnKE="
+    },
+    "xterm-addon-fit": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npm.taobao.org/xterm-addon-fit/download/xterm-addon-fit-0.4.0.tgz",
+      "integrity": "sha1-BuDF0KaqrPsAnvVl76HIHpPZAZM="
+    },
     "y18n": {
       "version": "3.2.1",
       "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.1.tgz",
diff --git a/package.json b/package.json
index edc6e18e..5ad75014 100644
--- a/package.json
+++ b/package.json
@@ -111,7 +111,9 @@
     "webpack-dev-server": "^3.10.3",
     "webpack-manifest-plugin": "^2.2.0",
     "whatwg-fetch": "2.0.3",
-    "wrap-md-editor": "^0.2.20"
+    "wrap-md-editor": "^0.2.20",
+    "xterm": "4.8.1",
+    "xterm-addon-fit": "0.4.0"
   },
   "scripts": {
     "start": "node --max_old_space_size=15360 scripts/start.js",
diff --git a/src/forge/DevOps/OpsDetailRightpanel.jsx b/src/forge/DevOps/OpsDetailRightpanel.jsx
index 6998964e..3546312d 100644
--- a/src/forge/DevOps/OpsDetailRightpanel.jsx
+++ b/src/forge/DevOps/OpsDetailRightpanel.jsx
@@ -2,6 +2,7 @@ import React, { useState, useEffect } from "react";
 import { Spin , Menu } from "antd";
 import { FlexAJ, AlignCenter } from "../Component/layout";
 import axios from "axios";
+import CodeSSH from './ssh/Index';
 
 export default ({
   data,
@@ -68,10 +69,10 @@ export default ({
   }
   return (
     <Spin spinning={spining}>
-      {/* <Menu className="devopsNav" onClick={(e)=>{setNav(e.key)}} selectedKeys={[nav]} mode="horizontal">
+      <Menu className="devopsNav" onClick={(e)=>{setNav(e.key)}} selectedKeys={[nav]} mode="horizontal">
         <Menu.Item key={'0'} value="0">文件</Menu.Item>
         <Menu.Item key={'1'} value="1">命令行</Menu.Item>
-      </Menu> */}
+      </Menu>
       {
         nav === "0" &&
         <div className="rightMainContent">
@@ -111,7 +112,9 @@ export default ({
           )}
         </div>
       }
-      
+      {
+        nav === "1" && <CodeSSH />
+      }
     </Spin>
   );
 };
diff --git a/src/forge/DevOps/ssh/Index.jsx b/src/forge/DevOps/ssh/Index.jsx
new file mode 100644
index 00000000..64fb5b4e
--- /dev/null
+++ b/src/forge/DevOps/ssh/Index.jsx
@@ -0,0 +1,14 @@
+import React, { useState } from 'react';
+import XmlPanel from './XmlPanel';
+import mediator from './mediator';
+
+function Index(){
+  const [ sshConfigData ,setSshConfigData ] = useState(undefined);
+
+  return(
+    <div>
+      <XmlPanel sshConfigData={sshConfigData || {}} sid={1} />
+    </div>
+  )
+}
+export default Index;
\ No newline at end of file
diff --git a/src/forge/DevOps/ssh/XmlPanel.jsx b/src/forge/DevOps/ssh/XmlPanel.jsx
new file mode 100644
index 00000000..5e2a5f50
--- /dev/null
+++ b/src/forge/DevOps/ssh/XmlPanel.jsx
@@ -0,0 +1,218 @@
+import React, { useRef, useEffect, useState } from 'react';
+import { Base64 } from 'js-base64';
+
+import { Terminal } from 'xterm';
+import 'xterm/css/xterm.css';
+import mediator from './mediator';
+import ResizeObserver from 'resize-observer-polyfill';
+
+function getColsAndRows(width, height, term) {
+  let w = term._core._renderService.dimensions.actualCellWidth || 9.5;
+  let h = term._core._renderService.dimensions.actualCellHeight || 18;
+  const rows = Math.floor(height / h);
+  const cols = Math.floor(width / w);
+  return [cols, rows];
+}
+
+function onLayout(term, el) {
+  const ro = new ResizeObserver(entries => {
+    for (let entry of entries) {
+      if (entry.target.offsetHeight > 0 || entry.target.offsetWidth > 0) {
+        const [cols, rows] = getColsAndRows(
+          entry.target.offsetWidth,
+          entry.target.offsetHeight,
+          term,
+        );
+        console.log('cols, rows', cols, rows);
+        term.resize(cols, rows);
+        mediator.publish('ssh-xterm-resize', {
+          columns: cols,
+          rows: rows,
+          width: entry.target.offsetWidth,
+          height: entry.target.offsetHeight,
+        });
+      }
+    }
+  });
+  ro.observe(el);
+  return ro;
+}
+
+const TimeTicket = 30000;
+
+//建立 websockt 来交互
+//根据容器大小计算行数和列数并做到自适应
+//socket 与 term 需要分开初始化 因为socket 可能重置连接
+//mediator 监听消息，如果和id匹配，则建立连接，重置，或关闭连接
+
+export default ({ sshConfigData, sid }) => {
+  const [term, setTerm] = useState(null);
+
+  const { ws_url, password, port } = sshConfigData;
+  const el = useRef();
+  const socket = useRef();
+  const isFirstConnected = useRef(false);
+
+  //term init
+  useEffect(() => {
+    if (el.current && ws_url) {
+      const term = new Terminal({ fontSize: 16, rendererType: 'dom' });
+      term.open(el.current);
+
+      term.onData(data => {
+        if (socket.current) {
+          if (socket.current.readyState === 1) {
+            socket.current.send(JSON.stringify({ tp: 'client', data: data }));
+            mediator.publish('on-operating-ssh'); //有操作则自动延时
+          } else {
+            //断开连接后重连
+            // socket.current = null
+            // mediator.publish('create-socket', sid)
+          }
+        }
+      });
+      term.write('Connecting...');
+      setTerm(term);
+      const ro = onLayout(term, el.current);
+      return () => {
+        term.dispose();
+        ro.unobserve(el.current);
+      };
+    }
+  }, [ws_url, el.current]);
+
+  useEffect(() => {
+    if (term && ws_url) {
+      function createSocket() {
+        const socketInstance = new WebSocket(ws_url);
+        socket.current = socketInstance;
+
+        socketInstance.onopen = () => {
+          let container = term.element.parentElement;
+          if (container) {
+            let width = container.offsetWidth;
+            let height = container.offsetHeight;
+            console.log('init', {
+              tp: 'init',
+              data: {
+                ...sshConfigData,
+                secret: password,
+                width,
+                height,
+                rows: term.rows,
+                columns: term.cols,
+              },
+            });
+            socketInstance.send(
+              JSON.stringify({
+                tp: 'init',
+                data: {
+                  ...sshConfigData,
+                  secret: password,
+                  width,
+                  height,
+                  rows: term.rows,
+                  columns: term.cols,
+                },
+              }),
+            );
+          }
+          term.focus();
+        };
+        socketInstance.onerror = error => {
+          console.log(
+            '------in socket error----',
+            error,
+            socketInstance,
+            ws_url,
+          );
+          //连接报错后，重新请求资源
+          // mediator.publish('on-recreate-socket')
+        };
+        socketInstance.onmessage = event => {
+          if (!isFirstConnected.current) {
+            term.write('\r');
+            // term.focus()
+            setTimeout(() => {
+              // term.clear();
+            }, 1000);
+          }
+          isFirstConnected.current = true;
+          console.log('event:', event);
+
+          const data = Base64.decode(event.data.toString());
+          let w = term._core._renderService.dimensions.actualCellWidth || 9.5;
+
+          console.log('data:', data, w, term);
+          term.write(data);
+        };
+
+        socketInstance.onclose = evt => {
+          if (tid) {
+            clearInterval(tid);
+          }
+          term.write('\r\nconnection closed');
+        };
+      }
+
+      const tid = setInterval(() => {
+        if (socket.current) {
+          socket.current.send(JSON.stringify({ tp: 'h' }));
+        }
+      }, TimeTicket);
+
+      const unSubCreate = mediator.subscribe('create-socket', id => {
+        if (sid === id) {
+          if (socket.current && socket.current.readyState === 1) {
+            term.focus();
+          } else {
+            createSocket();
+          }
+          term.focus();
+        }
+      });
+
+      const unSubClose = mediator.subscribe('close-socket', id => {
+        if (sid === id) {
+          if (socket.current) {
+            socket.current.close();
+            isFirstConnected.current = false;
+            term.clear();
+          }
+          socket.current = null;
+        }
+      });
+
+      const unSubResize = mediator.subscribe('ssh-xterm-resize', option => {
+        if (socket.current && socket.current.readyState === 1) {
+          socket.current.send(
+            JSON.stringify({ tp: 'resize', data: { ...option } }),
+          );
+        }
+      });
+
+      const unSubAddTime = mediator.subscribe('ssh-add-connect-time', () => {
+        if (socket.current && socket.current.readyState === 1) {
+          socket.current.send(JSON.stringify({ tp: 'overtime' }));
+        }
+      });
+
+      return () => {
+        unSubClose();
+        unSubCreate();
+        unSubResize();
+        unSubAddTime();
+        if (socket.current) {
+          socket.current.close();
+          isFirstConnected.current = false;
+        }
+      };
+    }
+  }, [term, ws_url, port]);
+
+  return (
+    <div ref={el} className="xterm-panel">
+      {!ws_url ? <p style={{ color: '#fff' }}>正在连接命令行服务...</p> : null}
+    </div>
+  );
+};
diff --git a/src/forge/DevOps/ssh/mediator.jsx b/src/forge/DevOps/ssh/mediator.jsx
new file mode 100644
index 00000000..65270579
--- /dev/null
+++ b/src/forge/DevOps/ssh/mediator.jsx
@@ -0,0 +1,46 @@
+function Mediator(obj) {
+  const channels = {};
+
+  const mediator = {
+    subscribe: function(channel, cb) {
+      if (!channels[channel]) {
+        channels[channel] = [];
+      }
+      channels[channel].push(cb);
+      return this.unsubscribe.bind(null, channel, cb);
+    },
+
+    unsubscribe: function(channel, cb) {
+      let rs = channels[channel];
+      let index = -1;
+      if (rs) {
+        for (let i = 0; i < rs.length; i++) {
+          if (rs[i].name === cb.name) {
+            index = i;
+            break;
+          }
+        }
+        if (index >= 0) {
+          channels[channel].splice(index, 1);
+          return true;
+        }
+      }
+      return false;
+    },
+
+    publish: function(channel) {
+      if (!channels[channel]) {
+        return false;
+      }
+      const args = Array.prototype.slice.call(arguments, 1);
+      channels[channel].forEach(subscription => {
+        subscription.apply(null, args);
+      });
+      return this;
+    },
+  };
+
+  return obj ? Object.assign(obj, mediator) : mediator;
+}
+const mediator = new Mediator();
+export default mediator;