feat: Start on terminal page

blueprints/terminal.py

@@ -0,0 +1,315 @@
+from flask import Blueprint, request, render_template, session
+from tools import json_response, getClientIP
+from datetime import datetime
+
+terminal_bp = Blueprint('terminal', __name__)
+
+
+@terminal_bp.route("/terminal")
+def index():
+    return render_template("terminal.html", user=getClientIP(request))
+
+
+COMMANDS = {
+    "help": "Show this help message",
+    "about": "About this terminal",
+    "clear": "Clear the terminal",
+    "echo [text]": "Echo text back",
+    "whoami": "Display the current user",
+    "ls": "List directory contents",
+    "pwd": "Print working directory",
+    "date": "Show current date and time with optional format",
+    "cd [path]": "Change directory to path",
+    "cat [file]": "Display file contents",
+    "reset": "Reset the terminal session",
+    "exit": "Exit the terminal session",
+}
+
+
+def get_nodes_in_directory(path: str) -> list[str]:
+    """Simulate getting files in a directory for the terminal."""
+    # If path is valid, get files from session
+    if session.get("paths", None) is None:
+        setup_path_session()
+
+    # Split path into parts
+    parts = path.strip("/").split("/")
+    if not parts or parts == [""]:
+        return session["paths"]
+
+    current_level = session["paths"]
+    for part in parts:
+        found = False
+        for item in current_level:
+            if item["name"] == part and item["type"] == 0:
+                current_level = item.get("children", [])
+                found = True
+                break
+        if not found:
+            return []
+
+    return current_level
+
+
+def setup_path_session():
+    """Initialize the session path variables if not already set."""
+    if "pwd" not in session:
+        session["pwd"] = f"/home/{getClientIP(request)}"
+    if "paths" not in session:
+        session["paths"] = [
+            {"name": "home", "type": 0, "children": [
+                {"name": str(getClientIP(request)), "type": 0, "children": [
+                    {"name": "Readme.txt", "type": 1, "content": "This is a README file.", "permissions": 2},
+                ], "permissions": 2}
+            ], "permissions": 1},
+            {"name": "bin", "type": 0, "children": [], "permissions": 1},
+            {"name": "boot", "type": 0, "children": [], "permissions": 1},
+            {"name": "dev", "type": 0, "children": [], "permissions": 1},
+            {"name": "etc", "type": 0, "children": [], "permissions": 1},
+            {"name": "lib", "type": 0, "children": [], "permissions": 1},
+            {"name": "lib64", "type": 0, "children": [], "permissions": 1},
+            {"name": "mnt", "type": 0, "children": [], "permissions": 1},
+            {"name": "nix", "type": 0, "children": [], "permissions": 1},
+            {"name": "opt", "type": 0, "children": [], "permissions": 1},
+            {"name": "proc", "type": 0, "children": [], "permissions": 1},
+            {"name": "root", "type": 0, "children": [], "permissions": 1},
+            {"name": "run", "type": 0, "children": [], "permissions": 1},
+            {"name": "sbin", "type": 0, "children": [], "permissions": 1},
+            {"name": "srv", "type": 0, "children": [], "permissions": 1},
+            {"name": "sys", "type": 0, "children": [], "permissions": 1},
+            {"name": "tmp", "type": 0, "children": [], "permissions": 1},
+            {"name": "usr", "type": 0, "children": [], "permissions": 1},
+            {"name": "var", "type": 0, "children": [], "permissions": 1},
+        ]
+
+
+def is_valid_path(path: str) -> bool:
+    """Check if the given path is valid in the simulated terminal."""
+    if session.get("paths", None) is None:
+        setup_path_session()
+
+    # Split path into parts
+    parts = path.strip("/").split("/")
+    if not parts or parts == [""]:
+        return True  # Root path is valid
+
+    current_level = session["paths"]
+    for part in parts:
+        found = False
+        for item in current_level:
+            if item["name"] == part and item["type"] == 0:
+                current_level = item.get("children", [])
+                found = True
+                break                
+        if not found:
+            return False
+
+    return True
+
+def is_valid_file(path: str) -> bool:
+    """Check if the given file exists in the current directory."""
+    if session.get("paths", None) is None:
+        setup_path_session()
+
+    # Get path parts
+    parts = path.split("/")
+    # Get files in the directory
+    if is_valid_path("/".join(parts[:-1])):
+        files = get_nodes_in_directory("/".join(parts[:-1]))
+        for item in files:
+            if item["name"] == parts[-1] and item["type"] == 1:
+                return True
+    return False
+    
+def get_node(path: str) -> dict:
+    """Get the node (file or directory) at the given path."""
+    if session.get("paths", None) is None:
+        setup_path_session()
+
+    parts = path.strip("/").split("/")
+    current_level = session["paths"]
+    for part in parts:
+        for item in current_level:
+            if item["name"] == part:
+                if part == parts[-1]:
+                    return item
+                else:
+                    current_level = item.get("children", [])
+                    break
+    return {}
+
+def sanitize_path(path: str) -> str:
+    """Sanitize the given path to prevent directory traversal."""
+    parts = path.strip("/").split("/")
+    sanitized_parts = []
+    for part in parts:
+        if part == "" or part == ".":
+            continue
+        elif part == "..":
+            if sanitized_parts:
+                sanitized_parts.pop()
+        else:
+            sanitized_parts.append(part)
+    return "/" + "/".join(sanitized_parts)
+
+
+@terminal_bp.route("/terminal/execute/ls", methods=["POST"])
+def ls():
+    data = request.get_json() or {}
+    args = data.get("args", "")
+    args = args.split()
+    # Check if -a flag is provided
+    # Pop if -a flag from args
+    all_files = False
+    if "-a" in args:
+        all_files = True
+        args.remove("-a")
+    elif "--all" in args:
+        all_files = True
+        args.remove("--all")
+
+    path = session.get("pwd", f"/home/{getClientIP(request)}")
+    if args:
+        path = args[0]
+        if not path.startswith("/"):
+            # Relative path
+            path = sanitize_path(session.get("pwd", f"/home/{getClientIP(request)}") + "/" + path)
+    if not is_valid_path(path):
+        return json_response(request, {"output": f"ls: cannot access '{path}': No such file or directory"}, 200)
+    
+    files = get_nodes_in_directory(path)
+    output = [file["name"] for file in files]
+    output = " ".join(output)
+
+    return json_response(request, {"output": output}, 200)
+
+
+@terminal_bp.route("/terminal/pwd")
+def pwd():
+    if "pwd" not in session:
+        session["pwd"] = f"/home/{getClientIP(request)}"
+    pwd = session["pwd"]
+    if pwd == "/home/" + getClientIP(request):
+        pwd = "~"
+    return json_response(request, {"output": pwd, "raw": session["pwd"]}, 200)
+
+
+@terminal_bp.route("/terminal/execute/cd", methods=["POST"])
+def cd():
+    data = request.get_json() or {}
+    args = data.get("args", "")
+    args = args.split()
+
+    if not args:
+        # No path provided, go to home
+        session["pwd"] = f"/home/{getClientIP(request)}"
+        output = ""
+    else:
+        path = args[0]
+        # Simulate changing directory
+        if path == "~":
+            session["pwd"] = f"/home/{getClientIP(request)}"
+            output = ""
+        
+        if not path.startswith("/"):
+            path = sanitize_path(session.get("pwd", f"/home/{getClientIP(request)}") + "/" + path)
+
+        if is_valid_path(path):
+            session["pwd"] = sanitize_path(path)
+            output = ""
+        else:
+            output = f"bash: cd: {path}: No such file or directory"
+
+    return json_response(request, {"output": output}, 200)
+
+@terminal_bp.route("/terminal/execute/cat", methods=["POST"])
+def cat():
+    data = request.get_json() or {}
+    args = data.get("args", "")
+    args = args.split()
+
+    if not args:
+        return json_response(request, {"output": "cat: missing file operand"}, 200)
+
+    path = args[0]
+    if not path.startswith("/"):
+        path = sanitize_path(session.get("pwd", f"/home/{getClientIP(request)}") + "/" + path)
+
+    # Check if path is valid
+    if not is_valid_file(path):
+        return json_response(request, {"output": f"cat: {path}: No such file or directory"}, 200)
+
+    output = get_node(path).get("content", "")
+
+    return json_response(request, {"output": output}, 200)
+
+@terminal_bp.route("/terminal/execute/echo", methods=["POST"])
+def echo():
+    data = request.get_json() or {}
+    args = data.get("args", "")
+    return json_response(request, {"output": args}, 200)
+
+
+@terminal_bp.route("/terminal/execute/date", methods=["POST"])
+def date():
+    # See if any args are passed
+    data = request.get_json() or {}
+    args = data.get("args", "")
+
+    # Use arguments to format date if needed
+    if args:
+        # If args if --help or -h, show help message
+        if args in ("--help", "-h"):
+            output = (
+                "Usage: date [FORMAT]\n\n"
+                "Display the current date and time.\n\n"
+                "FORMAT controls the output. Some common format specifiers:\n"
+                "  %a  Abbreviated weekday name (e.g., 'Mon')\n"
+                "  %b  Abbreviated month name (e.g., 'Jan')\n"
+                "  %d  Day of the month (01 to 31)\n"
+                "  %H  Hour (00 to 23)\n"
+                "  %M  Minute (00 to 59)\n"
+                "  %S  Second (00 to 60)\n"
+                "  %Y  Year with century (e.g., 2024)\n\n"
+                "Example: date '%Y-%m-%d %H:%M:%S'"
+            )
+            return json_response(request, {"output": output}, 200)
+
+        try:
+            output = datetime.now().strftime(args)
+        except Exception:
+            output = "Invalid date format."
+    else:
+        output = datetime.now().strftime("%a %b %d %H:%M:%S %Z %Y")
+    return json_response(request, {"output": output}, 200)
+
+
+@terminal_bp.route("/terminal/execute/<command>", methods=["POST"])
+def execute_catch(command):
+    data = request.get_json() or {}
+    args = data.get("args", "")
+
+    # Basic command processing
+    if command == "help":
+        output = "Available commands:\n" + \
+            "\n".join(f"  {cmd}: {desc}" for cmd, desc in COMMANDS.items())
+    elif command == "about":
+        output = "This is a simulated terminal interface created by Nathan Woodburn."
+    elif command == "whoami":
+        output = getClientIP(request)
+    elif command == "pwd":
+        # Get pwd from session or simulate
+        output = session.get("pwd", f"/home/{getClientIP(request)}")
+    else:
+        output = f"Command not found: {command}"
+
+    return json_response(request, {"output": output}, 200)
+
+
+@terminal_bp.route("/terminal/execute/reset", methods=["POST"])
+def reset():
+    # Clear the session data related to terminal
+    session.pop("pwd", None)
+    session.pop("paths", None)
+    output = "Terminal session has been reset."
+    return json_response(request, {"output": output}, 200)

curl.py

@@ -77,6 +77,35 @@ def get_projects():
         
     return projects
 
+@lru_cache(maxsize=32)
+def valid_curl_path(path: str) -> bool:
+    """Check if the given path corresponds to a valid curl/ascii response."""
+    path = clean_path(path)
+
+    # Special cases
+    special_paths = [
+        "index",
+        "projects",
+        "donate",
+        "donate/more",
+        "tools"
+    ]
+    if path in special_paths:
+        return True
+
+    # Check for donate/<coin> pattern
+    if path.startswith("donate/"):
+        coin = path.split("/")[1]
+        address = getAddress(coin)
+        if address != "":
+            return True
+
+    # Check if .ascii template exists
+    if os.path.exists(f"templates/{path}.ascii"):
+        return True
+
+    return False
+
 def curl_response(request):
     # Check if <path>.ascii exists
     path = clean_path(request.path)
@@ -119,8 +148,4 @@ def curl_response(request):
     if os.path.exists(f"templates/{path}.ascii"):
         return render_template(f"{path}.ascii",header=get_header()), 200, {'Content-Type': 'text/plain; charset=utf-8'}
     
-    # Fallback to html if it exists
-    if os.path.exists(f"templates/{path}.html"):
-        return render_template(f"{path}.html")
-    
     return error_response(request)

server.py

@@ -26,10 +26,12 @@ from blueprints.api import api_bp
 from blueprints.podcast import podcast_bp
 from blueprints.acme import acme_bp
 from blueprints.spotify import spotify_bp
+from blueprints.terminal import terminal_bp
 from tools import isCurl, isCrawler, getAddress, getFilePath, error_response, getClientIP, json_response, getHandshakeScript, get_tools_data
-from curl import curl_response
+from curl import curl_response, valid_curl_path
 
 app = Flask(__name__)
+app.secret_key = os.getenv("FLASK_SECRET_KEY", "supersecretkey")
 CORS(app)
 
 # Register blueprints
@@ -40,6 +42,7 @@ app.register_blueprint(api_bp, url_prefix='/api/v1')
 app.register_blueprint(podcast_bp)
 app.register_blueprint(acme_bp)
 app.register_blueprint(spotify_bp, url_prefix='/spotify')
+app.register_blueprint(terminal_bp)
 
 dotenv.load_dotenv()
 
@@ -704,7 +707,7 @@ def catch_all(path: str):
         return error_response(request, message="Restricted route", code=403)
 
     # If curl request, return curl response
-    if isCurl(request):
+    if isCurl(request) and valid_curl_path(path):
         return curl_response(request)
 
     if path in REDIRECT_ROUTES:

templates/terminal.html

@@ -0,0 +1,185 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Terminal</title>
+    <style>
+        * { margin: 0; padding: 0; box-sizing: border-box; }
+        body {
+            background: #000;
+            font-family: 'Courier New', monospace;
+            color: #0f0;
+            overflow: hidden;
+        }
+        #terminal {
+            width: 100vw;
+            height: 100vh;
+            padding: 20px;
+            overflow-y: auto;
+        }
+        .line { margin-bottom: 5px; }
+        .prompt { color: #0f0; white-space: pre; }
+        .prompt-line { color: #0f0; }
+        .output { color: #fff; white-space: pre-wrap; }
+        .error { color: #f00; }
+        #input-line {
+            display: block;
+        }
+        .input-row {
+            display: flex;
+        }
+        #command-input {
+            background: transparent;
+            border: none;
+            color: #0f0;
+            font-family: 'Courier New', monospace;
+            font-size: 16px;
+            outline: none;
+            flex: 1;
+            caret-color: #0f0;
+        }
+    </style>
+</head>
+
+<body>
+    <div id="terminal">
+        <div class="line output">Nathan.Woodburn/</div>
+        <div class="line output">Type 'help' for available commands</div>
+        <div class="line output"></div>
+        <div id="input-line">
+            <div class="prompt-line">┌──({{user}}@NathanWoodburn)-[~]</div>
+            <div class="input-row">
+                <span class="prompt-line">└─$&nbsp;</span>
+                <input type="text" id="command-input" autofocus autocomplete="off" spellcheck="false">
+            </div>
+        </div>
+    </div>
+
+    <script>
+        const terminal = document.getElementById('terminal');
+        const input = document.getElementById('command-input');
+        const inputLine = document.getElementById('input-line');
+        let commandHistory = [];
+        let historyIndex = -1;
+        let currentPwd = '~';
+
+        // Function to update the prompt with current pwd
+        async function updatePrompt() {
+            try {
+                const response = await fetch('/terminal/pwd');
+                const data = await response.json();
+                if (data.output) {
+                    currentPwd = data.output;
+                    inputLine.querySelector('.prompt-line:first-child').textContent = `┌──({{user}}@NathanWoodburn)-[${currentPwd}]`;
+                }
+            } catch (err) {
+                console.error('Failed to fetch pwd:', err);
+            }
+        }
+
+        // Update prompt on load
+        updatePrompt();
+
+        input.addEventListener('keydown', async (e) => {
+            if (e.key === 'Enter') {
+                const command = input.value.trim();
+                
+                // Disable input and hide prompt during execution
+                input.disabled = true;
+                inputLine.style.display = 'none';
+                
+                // Display command
+                const cmdLine = document.createElement('div');
+                cmdLine.className = 'line';
+                cmdLine.innerHTML = `<span class="prompt">┌──({{user}}@NathanWoodburn)-[${currentPwd}]\n└─$ </span>${command}`;
+                terminal.appendChild(cmdLine);
+                
+                // Add to history
+                if (command) {
+                    commandHistory.push(command);
+                    historyIndex = commandHistory.length;
+                }
+                
+                input.value = '';
+                
+                // Handle clear command locally
+                if (command === 'clear') {
+                    terminal.innerHTML = '';
+                    terminal.appendChild(inputLine);
+                    inputLine.style.display = 'block';
+                    input.disabled = false;
+                    input.focus();
+                    return;
+                }
+                if (command === 'exit') {
+                    // Redirect to /
+                    window.location.href = '/';
+                    return;
+                }
+                
+                // Execute command
+                if (command) {
+                    try {
+                        // Split command by space
+                        const parts = command.split(' ');
+                        const baseCommand = parts[0];
+                        const args = parts.slice(1).join(' ');
+                        
+                        // POST request to /terminal/execute/command
+                        const response = await fetch(`/terminal/execute/${encodeURIComponent(baseCommand)}`, {
+                            method: 'POST',
+                            headers: { 'Content-Type': 'application/json' },
+                            body: JSON.stringify({ args: args })
+                        });
+                        const data = await response.json();
+                        
+                        if (data.output) {
+                            const outputLine = document.createElement('div');
+                            outputLine.className = 'line output';
+                            outputLine.textContent = data.output;
+                            terminal.appendChild(outputLine);
+                        }
+
+                        // Update prompt after cd command
+                        if (baseCommand === 'cd' || baseCommand === 'reset') {
+                            await updatePrompt();
+                        }
+                    } catch (err) {
+                        const errorLine = document.createElement('div');
+                        errorLine.className = 'line error';
+                        errorLine.textContent = 'Error: ' + err.message;
+                        terminal.appendChild(errorLine);
+                    }
+                }
+                
+                // Show prompt and re-enable input after command completes
+                terminal.appendChild(inputLine);
+                inputLine.style.display = 'block';
+                input.disabled = false;
+                input.focus();
+                terminal.scrollTop = terminal.scrollHeight;
+            } else if (e.key === 'ArrowUp') {
+                e.preventDefault();
+                if (historyIndex > 0) {
+                    historyIndex--;
+                    input.value = commandHistory[historyIndex];
+                }
+            } else if (e.key === 'ArrowDown') {
+                e.preventDefault();
+                if (historyIndex < commandHistory.length - 1) {
+                    historyIndex++;
+                    input.value = commandHistory[historyIndex];
+                } else {
+                    historyIndex = commandHistory.length;
+                    input.value = '';
+                }
+            }
+        });
+
+        // Keep input focused
+        document.addEventListener('click', () => input.focus());
+        input.focus();
+    </script>
+</body>
+</html>