test circle ci #76
test circle ci #76
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WalkthroughThis pull request removes four GitHub Actions workflows responsible for docker builds, linting, security checks, and staging deployment restarts. Additionally, a new Flask application is introduced in Changes
Sequence Diagram(s)sequenceDiagram
participant Client
participant FlaskApp
participant SQLiteDB
Client->>FlaskApp: GET /users?name=<user>
FlaskApp->>SQLiteDB: Query user using raw SQL
SQLiteDB-->>FlaskApp: Return user data
FlaskApp-->>Client: Respond with user information
sequenceDiagram
participant Client
participant FlaskApp
Client->>FlaskApp: GET /.env
FlaskApp-->>Client: Return hardcoded environment config file
Poem
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🧹 Nitpick comments (2)
app2.py (2)
9-11: Consider safer resource management with context managers.
Releasing the database connection automatically by using a context manager is often more robust. Something like:-def get_db_connection(): - conn = sqlite3.connect(DATABASE) - return conn +def get_db_connection(): + return sqlite3.connect(DATABASE)And then in other functions:
with get_db_connection() as conn: cursor = conn.cursor() # ...
65-67: Disable debug mode in production.
Running a Flask app in debug mode publicly is insecure, as it can expose internal details of the application.
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🔇 Additional comments (1)
app2.py (1)
1-2: No issues identified here.
| @app.route('/.env', methods=['GET']) | ||
| def get_env(): | ||
| env_content = """ | ||
| DB_NAME=crapi | ||
| DB_USER=crapi | ||
| DB_PASSWORD=crapi | ||
| DB_HOST=postgresdb | ||
| DB_PORT=5432 | ||
| SERVER_PORT=8080 | ||
| MONGO_DB_HOST=mongodb | ||
| MONGO_DB_PORT=27017 | ||
| MONGO_DB_USER=crapi | ||
| MONGO_DB_PASSWORD=crapi | ||
| MONGO_DB_NAME=crapi | ||
| """ | ||
| return Response(env_content, headers={ | ||
| "Content-Disposition": "attachment; filename=env" | ||
| }) |
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Avoid exposing sensitive environment credentials in plain text.
Serving environment variables as a downloadable file is risky; it can lead to potential data breaches and unauthorized access. Restrict this route to authorized users or remove it entirely from production.
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@alexcrtestapp create an issue to follow up on this
| # Vulnerable SQL Query from raw string concatenation | ||
| query = f"SELECT * FROM users WHERE name = '{name}'" | ||
| cursor.execute(query) | ||
|
|
There was a problem hiding this comment.
Fix SQL injection vulnerability by switching to parameterized queries.
Replacing raw string concatenation with parameterization is essential for secure code.
Here is a proposed fix:
- query = f"SELECT * FROM users WHERE name = '{name}'"
- cursor.execute(query)
+ query = "SELECT * FROM users WHERE name = ?"
+ cursor.execute(query, (name,))📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| # Vulnerable SQL Query from raw string concatenation | |
| query = f"SELECT * FROM users WHERE name = '{name}'" | |
| cursor.execute(query) | |
| # Vulnerable SQL Query from raw string concatenation | |
| query = "SELECT * FROM users WHERE name = ?" | |
| cursor.execute(query, (name,)) |
|
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♻️ Duplicate comments (2)
app2.py (2)
31-34:⚠️ Potential issueSQL Injection vulnerability - switch to parameterized queries.
Raw string concatenation is highly susceptible to malicious inputs. Consider uncommenting and using the safer parameterized query.Here is a secure fix:
- query = f"SELECT * FROM users WHERE name = '{name}'" - cursor.execute(query) + query = "SELECT * FROM users WHERE name = ?" + cursor.execute(query, (name,))
46-63:⚠️ Potential issueExposing sensitive environment content is dangerous.
Serving.envcontent can lead to severe security risks if accessed or leaked. Restrict access, remove it in production, or serve it only to authorized admins over secure channels.Possible resolution:
-@app.route('/.env', methods=['GET']) -def get_env(): - env_content = """ -DB_NAME=crapi -DB_USER=crapi -DB_PASSWORD=crapi -DB_HOST=postgresdb -DB_PORT=5432 -SERVER_PORT=8080 -MONGO_DB_HOST=mongodb -MONGO_DB_PORT=27017 -MONGO_DB_USER=crapi -MONGO_DB_PASSWORD=crapi -MONGO_DB_NAME=crapi -""" - return Response(env_content, headers={ - "Content-Disposition": "attachment; filename=env" - }) +# Remove or protect this route securely before deploying to production
🧹 Nitpick comments (2)
app2.py (2)
9-11: Consider using a context manager for database connections.
Using a context manager (withstatement) would automatically handle commit/rollback and closing of connections, improving reliability and reducing the risk of resource leaks.Here is an example of how you might refactor it:
-def get_db_connection(): - conn = sqlite3.connect(DATABASE) - return conn +from contextlib import contextmanager + +@contextmanager +def get_db_connection(): + conn = sqlite3.connect(DATABASE) + try: + yield conn + finally: + conn.close()
66-67: Disable debug mode in production.
Running Flask in debug mode exposes the interactive debugger and can reveal sensitive internal details.-if __name__ == '__main__': - app.run(host="0.0.0.0", debug=True) +if __name__ == '__main__': + app.run(host="0.0.0.0", debug=False)
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app2.py (2)
31-34:⚠️ Potential issueFix SQL injection vulnerability by switching to parameterized queries.
Replacing raw string concatenation with parameterization is essential for secure code.
Here is a proposed fix:
- query = f"SELECT * FROM users WHERE name = '{name}'" - cursor.execute(query) + query = "SELECT * FROM users WHERE name = ?" + cursor.execute(query, (name,))
46-63:⚠️ Potential issueAvoid exposing sensitive environment credentials in plain text.
Serving environment variables as a downloadable file is risky; it can lead to potential data breaches and unauthorized access. Restrict this route to authorized users or remove it entirely from production.
This endpoint should be removed or properly secured:
-@app.route('/.env', methods=['GET']) -def get_env(): - env_content = """ -DB_NAME=crapi -DB_USER=crapi -DB_PASSWORD=crapi -DB_HOST=postgresdb -DB_PORT=5432 -SERVER_PORT=8080 -MONGO_DB_HOST=mongodb -MONGO_DB_PORT=27017 -MONGO_DB_USER=crapi -MONGO_DB_PASSWORD=crapi -MONGO_DB_NAME=crapi -""" - return Response(env_content, headers={ - "Content-Disposition": "attachment; filename=env" - })If needed for development purposes only, implement proper authentication:
@app.route('/.env', methods=['GET']) def get_env(): # Only allow in development environment with authentication if app.config.get('ENV') != 'development': return jsonify({"error": "Not available in production"}), 403 # Check for authentication token token = request.headers.get('Authorization') if not token or token != 'Bearer YOUR_SECRET_TOKEN': return jsonify({"error": "Unauthorized"}), 401 # Rest of the code...
🧹 Nitpick comments (2)
app2.py (2)
9-12: Improve the database connection function with error handling and row factory.The connection function works but lacks error handling and could be enhanced for better usability.
def get_db_connection(): - conn = sqlite3.connect(DATABASE) - return conn + try: + conn = sqlite3.connect(DATABASE, timeout=15) + conn.row_factory = sqlite3.Row # Returns rows as dictionary-like objects + return conn + except sqlite3.Error as e: + app.logger.error(f"Database connection error: {e}") + raise
13-24: Add error handling to database initialization function.While the function correctly checks if the table exists before creating it, it lacks error handling which could lead to silent failures.
def init_db(): # Create table and insert data - conn = get_db_connection() - cursor = conn.cursor() - # Check if table already exists to prevent overwriting - cursor.execute("SELECT name FROM sqlite_master WHERE type='table' AND name='users';") - if cursor.fetchone() is None: - cursor.execute('CREATE TABLE users (id INTEGER PRIMARY KEY, name TEXT, age INTEGER);') - cursor.execute("INSERT INTO users (name, age) VALUES ('Alice', 30), ('Bob', 25), ('Charlie', 35);") - conn.commit() - conn.close() + conn = None + try: + conn = get_db_connection() + cursor = conn.cursor() + # Check if table already exists to prevent overwriting + cursor.execute("SELECT name FROM sqlite_master WHERE type='table' AND name='users';") + if cursor.fetchone() is None: + cursor.execute('CREATE TABLE users (id INTEGER PRIMARY KEY, name TEXT, age INTEGER);') + cursor.execute("INSERT INTO users (name, age) VALUES (?, ?), (?, ?), (?, ?);", + ('Alice', 30, 'Bob', 25, 'Charlie', 35)) + conn.commit() + app.logger.info("Database initialized with sample data") + except sqlite3.Error as e: + app.logger.error(f"Database initialization error: {e}") + if conn: + conn.rollback() + raise + finally: + if conn: + conn.close()
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| if __name__ == '__main__': | ||
| init_db() # Initialize the database and populate it | ||
| app.run(host="0.0.0.0", debug=True) |
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Remove debug mode for production and implement environment-based configuration.
Running with debug=True in production is a security risk as it can expose sensitive information and allow code execution. Also, listening on all interfaces (0.0.0.0) increases attack surface.
if __name__ == '__main__':
init_db() # Initialize the database and populate it
- app.run(host="0.0.0.0", debug=True)
+ import os
+ debug_mode = os.environ.get('FLASK_ENV') == 'development'
+ host = '127.0.0.1' if debug_mode else '0.0.0.0'
+ app.run(host=host, debug=debug_mode)Consider using a proper configuration system:
# config.py
import os
class Config:
DATABASE = 'app.db'
class DevelopmentConfig(Config):
DEBUG = True
HOST = '127.0.0.1'
class ProductionConfig(Config):
DEBUG = False
HOST = '0.0.0.0'
# Load based on environment
config = {
'development': DevelopmentConfig,
'production': ProductionConfig,
'default': DevelopmentConfig
}
def get_config():
return config[os.environ.get('FLASK_ENV', 'default')]| @app.route('/users', methods=['GET']) | ||
| def get_user(): | ||
| name = request.args.get('name') | ||
| conn = get_db_connection() | ||
| cursor = conn.cursor() | ||
|
|
||
| # Vulnerable SQL Query from raw string concatenation | ||
| query = f"SELECT * FROM users WHERE name = '{name}'" | ||
| cursor.execute(query) | ||
|
|
||
| # # Fixed SQL Query using parameterized queries | ||
| # query = "SELECT * FROM users WHERE name = ?" | ||
| # cursor.execute(query, (name,)) | ||
|
|
||
| user = cursor.fetchone() | ||
| conn.close() | ||
| if user: | ||
| return jsonify({"id": user[0], "name": user[1], "age": user[2]}) | ||
| else: | ||
| return jsonify({"error": "User not found"}), 404 |
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🛠️ Refactor suggestion
Add input validation and error handling to the user endpoint.
The endpoint is missing input validation for the name parameter and proper error handling for database operations.
@app.route('/users', methods=['GET'])
def get_user():
name = request.args.get('name')
+ if not name:
+ return jsonify({"error": "Name parameter is required"}), 400
+
+ conn = None
+ try:
- conn = get_db_connection()
- cursor = conn.cursor()
+ conn = get_db_connection()
+ cursor = conn.cursor()
- # Vulnerable SQL Query from raw string concatenation
- query = f"SELECT * FROM users WHERE name = '{name}'"
- cursor.execute(query)
+ # Use parameterized query for security
+ query = "SELECT * FROM users WHERE name = ?"
+ cursor.execute(query, (name,))
- # # Fixed SQL Query using parameterized queries
- # query = "SELECT * FROM users WHERE name = ?"
- # cursor.execute(query, (name,))
- user = cursor.fetchone()
- conn.close()
- if user:
- return jsonify({"id": user[0], "name": user[1], "age": user[2]})
- else:
- return jsonify({"error": "User not found"}), 404
+ user = cursor.fetchone()
+ if user:
+ return jsonify({"id": user[0], "name": user[1], "age": user[2]})
+ else:
+ return jsonify({"error": "User not found"}), 404
+ except sqlite3.Error as e:
+ app.logger.error(f"Database error in get_user: {e}")
+ return jsonify({"error": "Database error occurred"}), 500
+ finally:
+ if conn:
+ conn.close()📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| @app.route('/users', methods=['GET']) | |
| def get_user(): | |
| name = request.args.get('name') | |
| conn = get_db_connection() | |
| cursor = conn.cursor() | |
| # Vulnerable SQL Query from raw string concatenation | |
| query = f"SELECT * FROM users WHERE name = '{name}'" | |
| cursor.execute(query) | |
| # # Fixed SQL Query using parameterized queries | |
| # query = "SELECT * FROM users WHERE name = ?" | |
| # cursor.execute(query, (name,)) | |
| user = cursor.fetchone() | |
| conn.close() | |
| if user: | |
| return jsonify({"id": user[0], "name": user[1], "age": user[2]}) | |
| else: | |
| return jsonify({"error": "User not found"}), 404 | |
| @app.route('/users', methods=['GET']) | |
| def get_user(): | |
| name = request.args.get('name') | |
| if not name: | |
| return jsonify({"error": "Name parameter is required"}), 400 | |
| conn = None | |
| try: | |
| conn = get_db_connection() | |
| cursor = conn.cursor() | |
| # Use parameterized query for security | |
| query = "SELECT * FROM users WHERE name = ?" | |
| cursor.execute(query, (name,)) | |
| user = cursor.fetchone() | |
| if user: | |
| return jsonify({"id": user[0], "name": user[1], "age": user[2]}) | |
| else: | |
| return jsonify({"error": "User not found"}), 404 | |
| except sqlite3.Error as e: | |
| app.logger.error(f"Database error in get_user: {e}") | |
| return jsonify({"error": "Database error occurred"}), 500 | |
| finally: | |
| if conn: | |
| conn.close() |
|
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Actionable comments posted: 2
♻️ Duplicate comments (3)
app2.py (3)
25-44:⚠️ Potential issueFix SQL injection vulnerability by enabling parameterized queries.
The current implementation uses string concatenation for SQL queries, creating a serious SQL injection vulnerability. Additionally, there's no input validation or proper error handling.
I see this issue was already identified in previous reviews. The commented-out parameterized query should be enabled and proper error handling should be added:
@app.route('/users', methods=['GET']) def get_user(): name = request.args.get('name') + if not name: + return jsonify({"error": "Name parameter is required"}), 400 + + conn = None + try: - conn = get_db_connection() - cursor = conn.cursor() + conn = get_db_connection() + cursor = conn.cursor() - # Vulnerable SQL Query from raw string concatenation - query = f"SELECT * FROM users WHERE name = '{name}'" - cursor.execute(query) + # Use parameterized query for security + query = "SELECT * FROM users WHERE name = ?" + cursor.execute(query, (name,)) - # # Fixed SQL Query using parameterized queries - # query = "SELECT * FROM users WHERE name = ?" - # cursor.execute(query, (name,)) - user = cursor.fetchone() - conn.close() - if user: - return jsonify({"id": user[0], "name": user[1], "age": user[2]}) - else: - return jsonify({"error": "User not found"}), 404 + user = cursor.fetchone() + if user: + return jsonify({"id": user[0], "name": user[1], "age": user[2]}) + else: + return jsonify({"error": "User not found"}), 404 + except sqlite3.Error as e: + app.logger.error(f"Database error: {e}") + return jsonify({"error": "Database error occurred"}), 500 + finally: + if conn: + conn.close()
46-63:⚠️ Potential issueAvoid exposing sensitive environment credentials in plain text.
Serving environment variables as a downloadable file is risky; it can lead to potential data breaches and unauthorized access. Restrict this route to authorized users or remove it entirely from production.
This issue was previously identified. The endpoint should either be completely removed or properly secured:
-@app.route('/.env', methods=['GET']) -def get_env(): - env_content = """ -DB_NAME=crapi -DB_USER=crapi -DB_PASSWORD=crapi -DB_HOST=postgresdb -DB_PORT=5432 -SERVER_PORT=8080 -MONGO_DB_HOST=mongodb -MONGO_DB_PORT=27017 -MONGO_DB_USER=crapi -MONGO_DB_PASSWORD=crapi -MONGO_DB_NAME=crapi -""" - return Response(env_content, headers={ - "Content-Disposition": "attachment; filename=env" - })If providing configuration is necessary, consider implementing:
- Authentication for this endpoint
- Redacting sensitive information
- Using environment variables for server configuration instead of exposing them
65-67:⚠️ Potential issueRemove debug mode for production and implement environment-based configuration.
Running with debug=True in production is a security risk as it can expose sensitive information and allow code execution. Also, listening on all interfaces (0.0.0.0) increases attack surface.
This issue was previously identified. Implement environment-based configuration:
if __name__ == '__main__': init_db() # Initialize the database and populate it - app.run(host="0.0.0.0", debug=True) + import os + debug_mode = os.environ.get('FLASK_ENV') == 'development' + host = '127.0.0.1' if debug_mode else '0.0.0.0' + app.run(host=host, debug=debug_mode)
🧹 Nitpick comments (4)
README.md (1)
5-6: Refine CI naming consistency.
The newly added line, "We also have circle-ci tests now," should use the official "CircleCI" branding (i.e., capitalize appropriately) to ensure consistency and professionalism in the documentation.app2.py (3)
1-7: Consider adding comprehensive security imports.While basic Flask imports are present, consider adding security-related imports like
from flask_limiter import Limiterfor rate limiting andfrom werkzeug.security import generate_password_hash, check_password_hashfor password management if this app will be extended in the future.
9-11: Enhance database connection handling for improved reliability.The
get_db_connection()function lacks error handling and additional SQLite configuration that would improve both reliability and developer experience.def get_db_connection(): - conn = sqlite3.connect(DATABASE) - return conn + try: + conn = sqlite3.connect(DATABASE) + conn.row_factory = sqlite3.Row # Returns rows as dict-like objects + return conn + except sqlite3.Error as e: + print(f"Database connection error: {e}") + raise
1-67: Set up logging for the application.The application lacks proper logging configuration, which is essential for monitoring and debugging in a production environment.
from flask import Flask, request, jsonify, Response import sqlite3 +import logging app = Flask(__name__) +# Configure logging +if __name__ == '__main__': + logging.basicConfig( + level=logging.INFO, + format='%(asctime)s - %(name)s - %(levelname)s - %(message)s', + handlers=[ + logging.StreamHandler(), + logging.FileHandler('app.log') + ] + )
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| def init_db(): | ||
| # Create table and insert data | ||
| conn = get_db_connection() | ||
| cursor = conn.cursor() | ||
| # Check if table already exists to prevent overwriting | ||
| cursor.execute("SELECT name FROM sqlite_master WHERE type='table' AND name='users';") | ||
| if cursor.fetchone() is None: | ||
| cursor.execute('CREATE TABLE users (id INTEGER PRIMARY KEY, name TEXT, age INTEGER);') | ||
| cursor.execute("INSERT INTO users (name, age) VALUES ('Alice', 30), ('Bob', 25), ('Charlie', 35);") | ||
| conn.commit() | ||
| conn.close() |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Add error handling to the database initialization function.
The init_db() function lacks try-except blocks to properly handle database errors, and the connection isn't properly closed in case of exceptions.
def init_db():
- # Create table and insert data
- conn = get_db_connection()
- cursor = conn.cursor()
- # Check if table already exists to prevent overwriting
- cursor.execute("SELECT name FROM sqlite_master WHERE type='table' AND name='users';")
- if cursor.fetchone() is None:
- cursor.execute('CREATE TABLE users (id INTEGER PRIMARY KEY, name TEXT, age INTEGER);')
- cursor.execute("INSERT INTO users (name, age) VALUES ('Alice', 30), ('Bob', 25), ('Charlie', 35);")
- conn.commit()
- conn.close()
+ conn = None
+ try:
+ # Create table and insert data
+ conn = get_db_connection()
+ cursor = conn.cursor()
+ # Check if table already exists to prevent overwriting
+ cursor.execute("SELECT name FROM sqlite_master WHERE type='table' AND name='users';")
+ if cursor.fetchone() is None:
+ cursor.execute('CREATE TABLE users (id INTEGER PRIMARY KEY, name TEXT, age INTEGER);')
+ # Use parameterized queries for data insertion
+ users = [('Alice', 30), ('Bob', 25), ('Charlie', 35)]
+ cursor.executemany("INSERT INTO users (name, age) VALUES (?, ?);", users)
+ conn.commit()
+ except sqlite3.Error as e:
+ print(f"Database initialization error: {e}")
+ if conn:
+ conn.rollback()
+ finally:
+ if conn:
+ conn.close()📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| def init_db(): | |
| # Create table and insert data | |
| conn = get_db_connection() | |
| cursor = conn.cursor() | |
| # Check if table already exists to prevent overwriting | |
| cursor.execute("SELECT name FROM sqlite_master WHERE type='table' AND name='users';") | |
| if cursor.fetchone() is None: | |
| cursor.execute('CREATE TABLE users (id INTEGER PRIMARY KEY, name TEXT, age INTEGER);') | |
| cursor.execute("INSERT INTO users (name, age) VALUES ('Alice', 30), ('Bob', 25), ('Charlie', 35);") | |
| conn.commit() | |
| conn.close() | |
| def init_db(): | |
| conn = None | |
| try: | |
| # Create table and insert data | |
| conn = get_db_connection() | |
| cursor = conn.cursor() | |
| # Check if table already exists to prevent overwriting | |
| cursor.execute("SELECT name FROM sqlite_master WHERE type='table' AND name='users';") | |
| if cursor.fetchone() is None: | |
| cursor.execute('CREATE TABLE users (id INTEGER PRIMARY KEY, name TEXT, age INTEGER);') | |
| # Use parameterized queries for data insertion | |
| users = [('Alice', 30), ('Bob', 25), ('Charlie', 35)] | |
| cursor.executemany("INSERT INTO users (name, age) VALUES (?, ?);", users) | |
| conn.commit() | |
| except sqlite3.Error as e: | |
| print(f"Database initialization error: {e}") | |
| if conn: | |
| conn.rollback() | |
| finally: | |
| if conn: | |
| conn.close() |
| from flask import Flask, request, jsonify, Response | ||
| import sqlite3 | ||
|
|
||
| app = Flask(__name__) | ||
|
|
||
| # Database file | ||
| DATABASE = 'app.db' | ||
|
|
||
| def get_db_connection(): | ||
| conn = sqlite3.connect(DATABASE) | ||
| return conn | ||
|
|
||
| def init_db(): | ||
| # Create table and insert data | ||
| conn = get_db_connection() | ||
| cursor = conn.cursor() | ||
| # Check if table already exists to prevent overwriting | ||
| cursor.execute("SELECT name FROM sqlite_master WHERE type='table' AND name='users';") | ||
| if cursor.fetchone() is None: | ||
| cursor.execute('CREATE TABLE users (id INTEGER PRIMARY KEY, name TEXT, age INTEGER);') | ||
| cursor.execute("INSERT INTO users (name, age) VALUES ('Alice', 30), ('Bob', 25), ('Charlie', 35);") | ||
| conn.commit() | ||
| conn.close() | ||
|
|
||
| @app.route('/users', methods=['GET']) | ||
| def get_user(): | ||
| name = request.args.get('name') | ||
| conn = get_db_connection() | ||
| cursor = conn.cursor() | ||
|
|
||
| # Vulnerable SQL Query from raw string concatenation | ||
| query = f"SELECT * FROM users WHERE name = '{name}'" | ||
| cursor.execute(query) | ||
|
|
||
| # # Fixed SQL Query using parameterized queries | ||
| # query = "SELECT * FROM users WHERE name = ?" | ||
| # cursor.execute(query, (name,)) | ||
|
|
||
| user = cursor.fetchone() | ||
| conn.close() | ||
| if user: | ||
| return jsonify({"id": user[0], "name": user[1], "age": user[2]}) | ||
| else: | ||
| return jsonify({"error": "User not found"}), 404 | ||
|
|
||
| @app.route('/.env', methods=['GET']) | ||
| def get_env(): | ||
| env_content = """ | ||
| DB_NAME=crapi | ||
| DB_USER=crapi | ||
| DB_PASSWORD=crapi | ||
| DB_HOST=postgresdb | ||
| DB_PORT=5432 | ||
| SERVER_PORT=8080 | ||
| MONGO_DB_HOST=mongodb | ||
| MONGO_DB_PORT=27017 | ||
| MONGO_DB_USER=crapi | ||
| MONGO_DB_PASSWORD=crapi | ||
| MONGO_DB_NAME=crapi | ||
| """ | ||
| return Response(env_content, headers={ | ||
| "Content-Disposition": "attachment; filename=env" | ||
| }) | ||
|
|
||
| if __name__ == '__main__': | ||
| init_db() # Initialize the database and populate it | ||
| app.run(host="0.0.0.0", debug=True) |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Implement CORS protection for security.
This Flask application doesn't have any CORS protection, which could lead to cross-origin security issues. Consider adding Flask-CORS to properly restrict which domains can interact with your API.
from flask import Flask, request, jsonify, Response
import sqlite3
+from flask_cors import CORS
app = Flask(__name__)
+# Configure CORS - in production you should limit this to specific origins
+CORS(app, resources={r"/*": {"origins": "http://localhost:3000"}})You'll need to install the flask-cors package using:
pip install flask-cors
📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| from flask import Flask, request, jsonify, Response | |
| import sqlite3 | |
| app = Flask(__name__) | |
| # Database file | |
| DATABASE = 'app.db' | |
| def get_db_connection(): | |
| conn = sqlite3.connect(DATABASE) | |
| return conn | |
| def init_db(): | |
| # Create table and insert data | |
| conn = get_db_connection() | |
| cursor = conn.cursor() | |
| # Check if table already exists to prevent overwriting | |
| cursor.execute("SELECT name FROM sqlite_master WHERE type='table' AND name='users';") | |
| if cursor.fetchone() is None: | |
| cursor.execute('CREATE TABLE users (id INTEGER PRIMARY KEY, name TEXT, age INTEGER);') | |
| cursor.execute("INSERT INTO users (name, age) VALUES ('Alice', 30), ('Bob', 25), ('Charlie', 35);") | |
| conn.commit() | |
| conn.close() | |
| @app.route('/users', methods=['GET']) | |
| def get_user(): | |
| name = request.args.get('name') | |
| conn = get_db_connection() | |
| cursor = conn.cursor() | |
| # Vulnerable SQL Query from raw string concatenation | |
| query = f"SELECT * FROM users WHERE name = '{name}'" | |
| cursor.execute(query) | |
| # # Fixed SQL Query using parameterized queries | |
| # query = "SELECT * FROM users WHERE name = ?" | |
| # cursor.execute(query, (name,)) | |
| user = cursor.fetchone() | |
| conn.close() | |
| if user: | |
| return jsonify({"id": user[0], "name": user[1], "age": user[2]}) | |
| else: | |
| return jsonify({"error": "User not found"}), 404 | |
| @app.route('/.env', methods=['GET']) | |
| def get_env(): | |
| env_content = """ | |
| DB_NAME=crapi | |
| DB_USER=crapi | |
| DB_PASSWORD=crapi | |
| DB_HOST=postgresdb | |
| DB_PORT=5432 | |
| SERVER_PORT=8080 | |
| MONGO_DB_HOST=mongodb | |
| MONGO_DB_PORT=27017 | |
| MONGO_DB_USER=crapi | |
| MONGO_DB_PASSWORD=crapi | |
| MONGO_DB_NAME=crapi | |
| """ | |
| return Response(env_content, headers={ | |
| "Content-Disposition": "attachment; filename=env" | |
| }) | |
| if __name__ == '__main__': | |
| init_db() # Initialize the database and populate it | |
| app.run(host="0.0.0.0", debug=True) | |
| from flask import Flask, request, jsonify, Response | |
| import sqlite3 | |
| from flask_cors import CORS | |
| app = Flask(__name__) | |
| # Configure CORS - in production you should limit this to specific origins | |
| CORS(app, resources={r"/*": {"origins": "http://localhost:3000"}}) | |
| # Database file | |
| DATABASE = 'app.db' | |
| def get_db_connection(): | |
| conn = sqlite3.connect(DATABASE) | |
| return conn | |
| def init_db(): | |
| # Create table and insert data | |
| conn = get_db_connection() | |
| cursor = conn.cursor() | |
| # Check if table already exists to prevent overwriting | |
| cursor.execute("SELECT name FROM sqlite_master WHERE type='table' AND name='users';") | |
| if cursor.fetchone() is None: | |
| cursor.execute('CREATE TABLE users (id INTEGER PRIMARY KEY, name TEXT, age INTEGER);') | |
| cursor.execute("INSERT INTO users (name, age) VALUES ('Alice', 30), ('Bob', 25), ('Charlie', 35);") | |
| conn.commit() | |
| conn.close() | |
| @app.route('/users', methods=['GET']) | |
| def get_user(): | |
| name = request.args.get('name') | |
| conn = get_db_connection() | |
| cursor = conn.cursor() | |
| # Vulnerable SQL Query from raw string concatenation | |
| query = f"SELECT * FROM users WHERE name = '{name}'" | |
| cursor.execute(query) | |
| # # Fixed SQL Query using parameterized queries | |
| # query = "SELECT * FROM users WHERE name = ?" | |
| # cursor.execute(query, (name,)) | |
| user = cursor.fetchone() | |
| conn.close() | |
| if user: | |
| return jsonify({"id": user[0], "name": user[1], "age": user[2]}) | |
| else: | |
| return jsonify({"error": "User not found"}), 404 | |
| @app.route('/.env', methods=['GET']) | |
| def get_env(): | |
| env_content = """ | |
| DB_NAME=crapi | |
| DB_USER=crapi | |
| DB_PASSWORD=crapi | |
| DB_HOST=postgresdb | |
| DB_PORT=5432 | |
| SERVER_PORT=8080 | |
| MONGO_DB_HOST=mongodb | |
| MONGO_DB_PORT=27017 | |
| MONGO_DB_USER=crapi | |
| MONGO_DB_PASSWORD=crapi | |
| MONGO_DB_NAME=crapi | |
| """ | |
| return Response(env_content, headers={ | |
| "Content-Disposition": "attachment; filename=env" | |
| }) | |
| if __name__ == '__main__': | |
| init_db() # Initialize the database and populate it | |
| app.run(host="0.0.0.0", debug=True) |
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