refactor: nodejs backend

2024-05-04 03:36:53 +08:00 · 2024-05-04 03:36:53 +08:00 · 15bedbf3ab
commit 15bedbf3ab
parent 9d3a75593b
13 changed files with 1189 additions and 9 deletions
--- a/.gitignore
+++ b/.gitignore
@ -1,2 +1,3 @@
 /target/
-/build/
+/build/
+node_modules/
--- a/.gitmodules
+++ b/.gitmodules
@ -1,6 +1,3 @@
-[submodule "axum-websockify"]
-	path = axum-websockify
-	url = https://github.com/HsuJv/axum-websockify.git
 [submodule "webrdp/rdp-rs"]
 	path = webrdp/rdp-rs
 	url = https://github.com/qwqVictor/rdp-rs.git
--- a/Makefile.toml
+++ b/Makefile.toml
@ -17,9 +17,8 @@ cd ${RDP} && cargo make install-release && cd ..
 '''

 [tasks.websockify]
-dependencies = ["install-dir"]
 script = '''
-cd ${WEBSOCKIFY} && cargo build --release --features ssl && cp ./target/release/${WEBSOCKIFY} ${INSTALL_PATH}/
+cd ${WEBSOCKIFY} && npm ci
 '''

 [tasks.install-dir]
@ -37,5 +36,5 @@ cd ${WEBSOCKIFY} && cargo clean && cd ..

 [env]
 INSTALL_PATH= "${CARGO_MAKE_WORKSPACE_WORKING_DIRECTORY}/build"
-WEBSOCKIFY="axum-websockify"
+WEBSOCKIFY="websockify"
 RDP="webrdp"
--- a/1
+++ b/1
@ -1 +0,0 @@
-Subproject commit fcbf67d704f6da1dcd0f27a270eb4f29bb669779
--- a/filegateway/index.js
+++ b/filegateway/index.js
@ -0,0 +1,155 @@
+const smb2 = require("@awo00/smb2");
+const SessionPool = require("./session_pool");
+const express = require("express");
+const crypto = require("crypto");
+const utility = require("./utility")
+
+const host = process.argv[2];
+if (!host) {
+    console.error("Please provide a host as a command line argument.");
+    process.exit(1);
+}
+const client = new smb2.Client(host); 
+const app = express();
+app.use(express.urlencoded({ extended: true }));
+
+/**
+ * @typedef {import("@awo00/smb2/dist/client/Session").default} Session
+ */
+/**
+ * @type {SessionPool<Session>}
+ */
+const sessionPool = new SessionPool(60000);
+
+app.post("/", async (req, res) => {
+    try {
+        const username = req.body.username;
+        const password = req.body.password;
+        const domain = req.body.domain;
+
+        const session = await client.authenticate({ username, password, domain });
+        const sessionId = crypto.randomUUID();
+        session.trees = {}
+
+        sessionPool.createSession(sessionId, session, async (session) => await session.logoff());
+
+        res.end(JSON.stringify({
+            "error": null,
+            "sessionId": sessionId
+        }));
+    } catch (error) {
+        res.status(500).json({ error: error.message });
+        res.end();
+    }
+});
+
+// Define routes for file operations
+app.get("/:sessionId/:shareName/*", async (req, res) => {
+    try {
+        const sessionId = req.params.sessionId;
+        const shareName = req.params.shareName;
+        /**
+         * @type {string}
+         */
+        const filePath = req.params[0];
+        const session = sessionPool.getSession(sessionId);
+        const tree = await utility.getTree(session, shareName);
+
+        if (filePath.endsWith("/")) {
+            const entries = await tree.readDirectory(filePath);
+            res.end(JSON.stringify({
+                error: null,
+                entries
+            }));
+        } else {
+            const readStream = await tree.createFileReadStream(filePath);
+            readStream.pipe(res);
+            readStream.on("error", (error) => {
+                res.status(500).json({ error: error.message });
+                res.end();
+            });
+        }
+    } catch (error) {
+        res.status(500).json({ error: error.message });
+        res.end();
+    }
+});
+
+app.post("/:sessionId/:shareName/*", async (req, res) => {
+    try {
+        const sessionId = req.params.sessionId;
+        const shareName = req.params.shareName;
+        /**
+         * @type {string}
+         */
+        const filePath = req.params[0];
+        const session = sessionPool.getSession(sessionId);
+        const tree = await utility.getTree(session, shareName);
+
+        // Get the uploaded file from the request
+        const file = req.files.file;
+
+        // Check if the file already exists
+        const fileExists = await tree.exists(filePath);
+
+        // Check if the force parameter is provided in the form
+        const force = req.body.force;
+
+        if (fileExists && !force) {
+            res.status(200).json({ error: null, exists: true });
+            res.end();
+        } else {
+            // Create a write stream to the destination file
+            const writeStream = await tree.createFileWriteStream(filePath);
+
+            // Pipe the uploaded file to the write stream
+            file.pipe(writeStream);
+
+            // Handle events for the write stream
+            writeStream.on("finish", () => {
+                res.end(JSON.stringify({ error: null }));
+            });
+
+            writeStream.on("error", (error) => {
+                res.status(500).json({ error: error.message });
+                res.end();
+            });
+        }
+    } catch (error) {
+        res.status(500).json({ error: error.message });
+        res.end();
+    }
+});
+
+app.put("/:sessionId/:shareName/*", async (req, res) => {
+    try {
+        const sessionId = req.params.sessionId;
+        const shareName = req.params.shareName;
+        /**
+         * @type {string}
+         */
+        const filePath = req.params[0];
+        const session = sessionPool.getSession(sessionId);
+        const tree = await utility.getTree(session, shareName);
+
+        // Check if the folder already exists
+        const folderExists = await tree.exists(filePath);
+        if (folderExists) {
+            res.status(200).json({ error: null, exists: true });
+            res.end();
+        } else {
+            // Create the folder
+            await tree.createDirectory(filePath);
+            res.end(JSON.stringify({ error: null }));
+        }
+    } catch (error) {
+        res.status(500).json({ error: error.message });
+        res.end();
+    }
+});
+
+// Start the server
+const port = 8082;
+app.listen(port, () => {
+    console.log(`Server is running on port ${port}`);
+});
--- a/filegateway/package-lock.json
+++ b/filegateway/package-lock.json
@ -0,0 +1,780 @@
+{
+  "name": "filegateway",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "filegateway",
+      "version": "1.0.0",
+      "hasInstallScript": true,
+      "license": "ISC",
+      "dependencies": {
+        "@awo00/smb2": "https://github.com/awo00/smb2/archive/v1.1.0.tar.gz",
+        "express": "^4.19.2"
+      },
+      "devDependencies": {
+        "@types/node": "^20.12.8",
+        "typescript": "^5.4.5"
+      }
+    },
+    "node_modules/@awo00/smb2": {
+      "version": "1.0.0",
+      "resolved": "https://github.com/awo00/smb2/archive/v1.1.0.tar.gz",
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+      "license": "MIT",
+      "dependencies": {
+        "des.js": "^1.1.0",
+        "js-md4": "^0.3.2",
+        "moment-timezone": "^0.5.31"
+      },
+      "engines": {
+        "node": ">=18"
+      }
+    },
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+      "dev": true,
+      "dependencies": {
+        "undici-types": "~5.26.4"
+      }
+    },
+    "node_modules/accepts": {
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+      },
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+        "media-typer": "0.3.0",
+        "mime-types": "~2.1.24"
+      },
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/typescript": {
+      "version": "5.4.5",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.4.5.tgz",
+      "integrity": "sha512-vcI4UpRgg81oIRUFwR0WSIHKt11nJ7SAVlYNIu+QpqeyXP+gpQJy/Z4+F0aGxSE4MqwjyXvW/TzgkLAx2AGHwQ==",
+      "dev": true,
+      "bin": {
+        "tsc": "bin/tsc",
+        "tsserver": "bin/tsserver"
+      },
+      "engines": {
+        "node": ">=14.17"
+      }
+    },
+    "node_modules/undici-types": {
+      "version": "5.26.5",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz",
+      "integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA==",
+      "dev": true
+    },
+    "node_modules/unpipe": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
+      "integrity": "sha512-pjy2bYhSsufwWlKwPc+l3cN7+wuJlK6uz0YdJEOlQDbl6jo/YlPi4mb8agUkVC8BF7V8NuzeyPNqRksA3hztKQ==",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/utils-merge": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
+      "integrity": "sha512-pMZTvIkT1d+TFGvDOqodOclx0QWkkgi6Tdoa8gC8ffGAAqz9pzPTZWAybbsHHoED/ztMtkv/VoYTYyShUn81hA==",
+      "engines": {
+        "node": ">= 0.4.0"
+      }
+    },
+    "node_modules/vary": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
+      "integrity": "sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg==",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    }
+  }
+}
--- a/filegateway/package.json
+++ b/filegateway/package.json
@ -0,0 +1,20 @@
+{
+  "name": "filegateway",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "postinstall": "cd node_modules/@awo00/smb2 && npm install && npm run build"
+  },
+  "author": "",
+  "license": "ISC",
+  "devDependencies": {
+    "@types/node": "^20.12.8",
+    "typescript": "^5.4.5"
+  },
+  "dependencies": {
+    "@awo00/smb2": "https://github.com/awo00/smb2/archive/v1.1.0.tar.gz",
+    "express": "^4.19.2"
+  }
+}
--- a/filegateway/session_pool.js
+++ b/filegateway/session_pool.js
@ -0,0 +1,69 @@
+/**
+ * Represents a pool of sessions.
+ * @class
+ */
+/**
+ * Represents a pool of sessions.
+ * @template T - The type of session value.
+ */
+class SessionPool {
+  /**
+   * Creates a new SessionPool instance.
+   * @constructor
+   * @param {number} expirationTime - The expiration time for sessions in milliseconds.
+   */
+  constructor(expirationTime) {
+    this.sessions = new Map();
+    this.expirationTime = expirationTime;
+
+    // Set up a timer to clean up expired sessions
+    setInterval(() => this.cleanupSessions(), expirationTime);
+  }
+
+  /**
+   * Retrieves a session from the pool.
+   * @param {string} key - The key of the session to retrieve.
+   * @returns {T | null} The session value if it exists and is not expired, otherwise null.
+   */
+  getSession(key) {
+    const now = Date.now();
+    const session = this.sessions.get(key);
+
+    // If the session exists and is not expired, return it
+    if (session && session.expiration > now) {
+        session.expiration = now + this.expirationTime
+        return session.value;
+    }
+
+    return null;
+  }
+
+  /**
+   * Creates a new session in the pool.
+   * @param {string} key - The key of the session to create.
+   * @param {T} session - The session value.
+   * @param {Function} off - The function to call when the session is removed from the pool.
+   */
+  createSession(key, session, off) {
+    this.sessions.set(key, {
+        expiration: Date.now() + this.expirationTime,
+        value: session,
+        off
+    });
+  }
+
+  /**
+   * Cleans up expired sessions from the pool.
+   */
+  cleanupSessions() {
+    const now = Date.now();
+
+    for (const [key, session] of this.sessions) {
+      if (session.expiration <= now) {
+        this.sessions.delete(key);
+        session.off(session)
+      }
+    }
+  }
+}
+module.exports = SessionPool
--- a/filegateway/utility.js
+++ b/filegateway/utility.js
@ -0,0 +1,18 @@
+/**
+ * @typedef {import("@awo00/smb2/dist/client/Tree").default} Tree
+ */
+
+module.exports = {
+    /**
+     * Retrieves the specified tree from the session.
+     * @param {Session} session - The session object.
+     * @param {string} tree_name - The name of the tree to retrieve.
+     * @returns {Promise<Tree>} The retrieved tree.
+     */
+    async getTree(session, tree_name) {
+        if (!session.trees[tree_name.toLowerCase()]) {
+            session.trees[tree_name.toLowerCase()] = await session.connectTree(tree_name);
+        }
+        return session.trees[tree_name.toLowerCase()]
+    }
+};
--- a/run.sh
+++ b/run.sh
@ -10,4 +10,4 @@ if [ -n "$CUSTOMIZATION" ]; then
    sh -c "$CUSTOMIZATION"
 fi

-"$(dirname $0)/build/axum-websockify" 0.0.0.0:8080 $2 --web "$(dirname $0)/build"
+node "$(dirname $0)/websockify" $2 $3
--- a/websockify/index.js
+++ b/websockify/index.js
@ -0,0 +1,71 @@
+async function handleClient(ws) {
+    let serverSocket;
+    const upgradedStatus = { tls: false, secureSocket: null };
+    try {
+        serverSocket = net.connect({ host, port });
+    } catch (e) {
+        console.error(`Connect to remote failed: ${e}`);
+        ws.send(`Connect to remote failed: ${e}`);
+        ws.close();
+        return;
+    }
+    try {
+        serverSocket.on('error', (err) => {
+            console.error(`Connect to remote failed: ${err}`);
+            ws.send(`Connect to remote failed: ${err}`);
+            ws.close();
+        });
+
+        serverSocket.on('data', (data) => {
+            log("Plain. recv socket:", data);
+            if (!upgradedStatus.tls)
+                ws.send(data, { binary: true });
+        });
+
+        ws.on('message', (msg, isBinary) => {
+            log("Plain. recv ws:", msg);
+            if (!isBinary && msg == 'SSL') {
+                log("Upgrade to SSL");
+                // Upgrade to SSL/TLS
+                upgradedStatus.secureSocket = tls.connect({
+                    socket: serverSocket,
+                    rejectUnauthorized: false
+                });
+                
+                upgradedStatus.secureSocket.on('secureConnect', () => {
+                    const certificate = upgradedStatus.secureSocket.getPeerCertificate(true);
+                    ws.send(certificate.raw, { binary: true });
+                    upgradedStatus.tls = true;
+                });
+
+                upgradedStatus.secureSocket.on('data', (data) => {
+                    log("Upgraded to SSL. Send ws:", data);
+                    if (upgradedStatus.tls)
+                        ws.send(data, { binary: true });
+                });
+
+                ws.on('message', (msg) => {
+                    log("Upgraded to SSL. Send socket:", msg);
+                    upgradedStatus.secureSocket.write(msg);
+                });
+
+            } else {
+                if (!upgradedStatus.tls)
+                    serverSocket.write(msg);
+            }
+        });
+
+        ws.on('close', () => {
+            console.info('Client close');
+            serverSocket.end();
+        });
+
+        serverSocket.on('end', () => {
+            console.info('Server close');
+            ws.close();
+        });
+    } catch (error) {
+        console.error('An error occurred:', error);
+        ws.close();
+    }
+}
--- a/websockify/package-lock.json
+++ b/websockify/package-lock.json
@ -0,0 +1,54 @@
+{
+  "name": "websockify",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "websockify",
+      "version": "1.0.0",
+      "license": "ISC",
+      "dependencies": {
+        "ws": "^8.17.0"
+      },
+      "devDependencies": {
+        "@types/node": "^20.12.8"
+      }
+    },
+    "node_modules/@types/node": {
+      "version": "20.12.8",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.12.8.tgz",
+      "integrity": "sha512-NU0rJLJnshZWdE/097cdCBbyW1h4hEg0xpovcoAQYHl8dnEyp/NAOiE45pvc+Bd1Dt+2r94v2eGFpQJ4R7g+2w==",
+      "dev": true,
+      "dependencies": {
+        "undici-types": "~5.26.4"
+      }
+    },
+    "node_modules/undici-types": {
+      "version": "5.26.5",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz",
+      "integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA==",
+      "dev": true
+    },
+    "node_modules/ws": {
+      "version": "8.17.0",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.17.0.tgz",
+      "integrity": "sha512-uJq6108EgZMAl20KagGkzCKfMEjxmKvZHG7Tlq0Z6nOky7YF7aq4mOx6xK8TJ/i1LeK4Qus7INktacctDgY8Ow==",
+      "engines": {
+        "node": ">=10.0.0"
+      },
+      "peerDependencies": {
+        "bufferutil": "^4.0.1",
+        "utf-8-validate": ">=5.0.2"
+      },
+      "peerDependenciesMeta": {
+        "bufferutil": {
+          "optional": true
+        },
+        "utf-8-validate": {
+          "optional": true
+        }
+      }
+    }
+  }
+}
--- a/websockify/package.json
+++ b/websockify/package.json
@ -0,0 +1,17 @@
+{
+  "name": "websockify",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "ws": "^8.17.0"
+  },
+  "devDependencies": {
+    "@types/node": "^20.12.8"
+  }
+}
				`@ -1 +0,0 @@`
				`Subproject commit fcbf67d704f6da1dcd0f27a270eb4f29bb669779`