initial commit

5 files changed, 289 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
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index 0000000..f5a54ff
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+++ b/.gitignore
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+# Based on https://raw.githubusercontent.com/github/gitignore/main/Node.gitignore
+
+# Logs
+
+logs
+_.log
+npm-debug.log_
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+.pnpm-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+
+report.[0-9]_.[0-9]_.[0-9]_.[0-9]_.json
+
+# Runtime data
+
+pids
+_.pid
+_.seed
+\*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+
+lib-cov
+
+# Coverage directory used by tools like istanbul
+
+coverage
+\*.lcov
+
+# nyc test coverage
+
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+
+bower_components
+
+# node-waf configuration
+
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+
+build/Release
+
+# Dependency directories
+
+node_modules/
+jspm_packages/
+
+# Snowpack dependency directory (https://snowpack.dev/)
+
+web_modules/
+
+# TypeScript cache
+
+\*.tsbuildinfo
+
+# Optional npm cache directory
+
+.npm
+
+# Optional eslint cache
+
+.eslintcache
+
+# Optional stylelint cache
+
+.stylelintcache
+
+# Microbundle cache
+
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# Optional REPL history
+
+.node_repl_history
+
+# Output of 'npm pack'
+
+\*.tgz
+
+# Yarn Integrity file
+
+.yarn-integrity
+
+# dotenv environment variable files
+
+.env
+.env.development.local
+.env.test.local
+.env.production.local
+.env.local
+
+# parcel-bundler cache (https://parceljs.org/)
+
+.cache
+.parcel-cache
+
+# Next.js build output
+
+.next
+out
+
+# Nuxt.js build / generate output
+
+.nuxt
+dist
+
+# Gatsby files
+
+.cache/
+
+# Comment in the public line in if your project uses Gatsby and not Next.js
+
+# https://nextjs.org/blog/next-9-1#public-directory-support
+
+# public
+
+# vuepress build output
+
+.vuepress/dist
+
+# vuepress v2.x temp and cache directory
+
+.temp
+.cache
+
+# Docusaurus cache and generated files
+
+.docusaurus
+
+# Serverless directories
+
+.serverless/
+
+# FuseBox cache
+
+.fusebox/
+
+# DynamoDB Local files
+
+.dynamodb/
+
+# TernJS port file
+
+.tern-port
+
+# Stores VSCode versions used for testing VSCode extensions
+
+.vscode-test
+
+# yarn v2
+
+.yarn/cache
+.yarn/unplugged
+.yarn/build-state.yml
+.yarn/install-state.gz
+.pnp.\*
+
+# credentials
+credentials.json
diff --git a/deno.json b/deno.json
new file mode 100644
index 0000000..657ca18
--- /dev/null
+++ b/deno.json
@@ -0,0 +1,6 @@
+{
+  "imports": {
+    "lodash": "https://esm.sh/[email protected]",
+    "./": "./"
+  }
+}
diff --git a/deno.lock b/deno.lock
new file mode 100644
index 0000000..7b78cfc
--- /dev/null
+++ b/deno.lock
@@ -0,0 +1,7 @@
+{
+  "version": "2",
+  "remote": {
+    "https://esm.sh/[email protected]": "ae454206d9631a28c229a2ce9920262cc5cfaa2a23e46b3c03069daa4e94cf10",
+    "https://esm.sh/v131/[email protected]/denonext/lodash.mjs": "03507ec58790b76db2d03270878c70b943b83099cdfdcad2b0fa8759abc61057"
+  }
+}
diff --git a/index.js b/index.js
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index 0000000..5a482e8
--- /dev/null
+++ b/index.js
@@ -0,0 +1,85 @@
+import lodash from "lodash";
+import { networkInterfaces } from "node:os";
+
+const REFERER = "https://w.seu.edu.cn/";
+const EPORTAL_API = "https://w.seu.edu.cn:802/eportal";
+
+(async () => {
+    try {
+        const credentials = JSON.parse(await Deno.readTextFile("./credentials.json"));
+
+        if (lodash.isEmpty(credentials.username) || lodash.isEmpty(credentials.password)) {
+            throw "Invalid credentials! ";
+        }
+
+        const { ipv4, ipv6 } = getIP();
+
+        let headers = {
+            "User-Agent": "Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/117.0",
+        };
+        const resp = await fetch(`${EPORTAL_API}/?c=Portal&a=login&callback=dr1004&login_method=1&user_account=%2C0%2C${credentials.username}&user_password=${credentials.password}&wlan_user_ip=${lodash.isEmpty(ipv4) ? '' : ipv4}&wlan_user_ipv6=${lodash.isEmpty(ipv6) ? '' : ipv6}&wlan_user_mac=000000000000&wlan_ac_ip=&wlan_ac_name=&jsVersion=3.3.3`, {
+            "credentials": "include",
+            headers,
+            "referrer": REFERER,
+            "mode": "cors"
+        });
+        if (resp.ok) {
+            const resp_text = await resp.text();
+            const re = /dr1004\((.*?)\)/g;
+            const match = re.exec(resp_text);
+            if (lodash.isEmpty(match) || match.length <= 1) {
+                throw "No match in response!";
+            }
+            const parsedData = JSON.parse(match[1]);
+            if (parsedData.result == 1) {
+                console.log("Login success!");
+            } else if (parsedData.result == 0 && parsedData.ret_code == 2) {
+                console.log("Already logged in!")
+            } else {
+                throw `Login failed.\nresponse JSON: ${match[1]}`;
+            }
+        }
+
+    } catch (err) {
+        console.log(err);
+        if (err instanceof SyntaxError) {
+            exitWithError("Parse json failed!");
+        } else if (err instanceof Deno.errors.NotFound) {
+            exitWithError("./credentials.json not found!")
+        }
+        else {
+            exitWithError('');
+        }
+
+    }
+})();
+
+function exitWithError(errstr) {
+    console.error(errstr);
+    Deno.exit(1);
+}
+
+function getIP() {
+    let ipv4, ipv6;
+    const netIf = networkInterfaces();
+    const wlanIf = netIf.wlan0 || netIf.WLAN;
+    if (lodash.isEmpty(wlanIf)) {
+        exitWithError("No valid wireless network interface Found!");
+    }
+
+    for (let i = 0; i < wlanIf.length; i++) {
+        var alias = wlanIf[i];
+        if (alias.family === 'IPv4' && !alias.internal) {
+            const re = /^169.254.*/g;
+            if (lodash.isEmpty(alias.address.match(re))) {
+                ipv4 = alias.address;
+            }
+        } else if (alias.family === 'IPv6' && !alias.internal) {
+            const re = /^fe80::*/g;
+            if (lodash.isEmpty(alias.address.match(re))) {
+                ipv6 = alias.address;
+            }
+        }
+    }
+    return { ipv4, ipv6 };
+}
\ No newline at end of file
diff --git a/jsconfig.json b/jsconfig.json
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--- /dev/null
+++ b/jsconfig.json
@@ -0,0 +1,19 @@
+{
+  "compilerOptions": {
+    "lib": ["ESNext"],
+    "module": "esnext",
+    "target": "esnext",
+    "moduleResolution": "bundler",
+    "moduleDetection": "force",
+    "allowImportingTsExtensions": true,
+    "noEmit": true,
+    "composite": true,
+    "strict": true,
+    "downlevelIteration": true,
+    "skipLibCheck": true,
+    "jsx": "preserve",
+    "allowSyntheticDefaultImports": true,
+    "forceConsistentCasingInFileNames": true,
+    "allowJs": true
+  }
+}