FastAPI #1
FastAPI #1
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WalkthroughThe changes enhance user management functionality by introducing two FastAPI applications: one for in-memory user management and another for database interaction. The first application supports basic CRUD operations, featuring Pydantic validations for user data. The second application connects to a SQLite database but requires urgent fixes due to a SQL injection vulnerability. Together, these changes improve both data handling and user experience. Changes
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Actionable comments posted: 4
Outside diff range, codebase verification and nitpick comments (1)
PythonTestFile.py (1)
12-12: Consider using a database for user storage.Using a list for storing users is fine for small-scale applications, but consider using a database for better scalability and data persistence.
Review details
Configuration used: CodeRabbit UI
Review profile: CHILL
Files selected for processing (1)
- PythonTestFile.py (1 hunks)
Additional comments not posted (2)
PythonTestFile.py (2)
7-10: LGTM! The Pydantic modelUseris well-defined.The fields
id,name, andageare appropriately typed.
19-21: LGTM! Theread_usersfunction is straightforward and correct.The function correctly returns the list of users.
| @app.put("/users/{user_id}", response_model=User) | ||
| def update_user(user_id: int, user: User): | ||
| for i in range(len(users)): | ||
| if users[i].id == user_id: | ||
| users[i] = user | ||
| return user | ||
| return {"error": "User not found"} |
There was a problem hiding this comment.
Raise an HTTPException for errors.
Returning a dictionary for errors is inconsistent with the response model. Use HTTPException for better error handling.
from fastapi import HTTPException
def update_user(user_id: int, user: User):
for i in range(len(users)):
if users[i].id == user_id:
users[i] = user
return user
- return {"error": "User not found"}
+ raise HTTPException(status_code=404, detail="User not found")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.put("/users/{user_id}", response_model=User) | |
| def update_user(user_id: int, user: User): | |
| for i in range(len(users)): | |
| if users[i].id == user_id: | |
| users[i] = user | |
| return user | |
| return {"error": "User not found"} | |
| from fastapi import HTTPException | |
| @app.put("/users/{user_id}", response_model=User) | |
| def update_user(user_id: int, user: User): | |
| for i in range(len(users)): | |
| if users[i].id == user_id: | |
| users[i] = user | |
| return user | |
| raise HTTPException(status_code=404, detail="User not found") |
| @app.post("/users/", response_model=User) | ||
| def create_user(user: User): | ||
| users.append(user) | ||
| return user |
There was a problem hiding this comment.
Add a check for duplicate user IDs.
Currently, the function does not check for duplicate user IDs, which could lead to inconsistencies.
def create_user(user: User):
+ if any(u.id == user.id for u in users):
+ return {"error": "User ID already exists"}
users.append(user)
return userCommittable 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.post("/users/", response_model=User) | |
| def create_user(user: User): | |
| users.append(user) | |
| return user | |
| @app.post("/users/", response_model=User) | |
| def create_user(user: User): | |
| if any(u.id == user.id for u in users): | |
| return {"error": "User ID already exists"} | |
| users.append(user) | |
| return user |
| @app.delete("/users/{user_id}") | ||
| def delete_user(user_id: int): | ||
| for i in range(len(users)): | ||
| if users[i].id == user_id: | ||
| del users[i] | ||
| return {"message": "User deleted successfully"} | ||
| return {"error": "User not found"} |
There was a problem hiding this comment.
Raise an HTTPException for errors.
Returning a dictionary for errors is inconsistent with the response model. Use HTTPException for better error handling.
from fastapi import HTTPException
def delete_user(user_id: int):
for i in range(len(users)):
if users[i].id == user_id:
del users[i]
return {"message": "User deleted successfully"}
- return {"error": "User not found"}
+ raise HTTPException(status_code=404, detail="User not found")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.delete("/users/{user_id}") | |
| def delete_user(user_id: int): | |
| for i in range(len(users)): | |
| if users[i].id == user_id: | |
| del users[i] | |
| return {"message": "User deleted successfully"} | |
| return {"error": "User not found"} | |
| from fastapi import HTTPException | |
| @app.delete("/users/{user_id}") | |
| def delete_user(user_id: int): | |
| for i in range(len(users)): | |
| if users[i].id == user_id: | |
| del users[i] | |
| return {"message": "User deleted successfully"} | |
| raise HTTPException(status_code=404, detail="User not found") |
| @app.get("/users/{user_id}", response_model=User) | ||
| def read_user(user_id: int): | ||
| for user in users: | ||
| if user.id == user_id: | ||
| return user | ||
| return {"error": "User not found"} |
There was a problem hiding this comment.
Raise an HTTPException for errors.
Returning a dictionary for errors is inconsistent with the response model. Use HTTPException for better error handling.
from fastapi import HTTPException
def read_user(user_id: int):
for user in users:
if user.id == user_id:
return user
- return {"error": "User not found"}
+ raise HTTPException(status_code=404, detail="User not found")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.get("/users/{user_id}", response_model=User) | |
| def read_user(user_id: int): | |
| for user in users: | |
| if user.id == user_id: | |
| return user | |
| return {"error": "User not found"} | |
| from fastapi import HTTPException | |
| @app.get("/users/{user_id}", response_model=User) | |
| def read_user(user_id: int): | |
| for user in users: | |
| if user.id == user_id: | |
| return user | |
| raise HTTPException(status_code=404, detail="User not found") |
There was a problem hiding this comment.
Actionable comments posted: 2
Review details
Configuration used: CodeRabbit UI
Review profile: CHILL
Files selected for processing (1)
- SqlInjection.py (1 hunks)
Additional context used
Ruff
SqlInjection.py
3-3:
fastapi.security.OAuth2PasswordBearerimported but unusedRemove unused import:
fastapi.security.OAuth2PasswordBearer(F401)
Additional comments not posted (3)
SqlInjection.py (3)
6-6: LGTM!The FastAPI app is initialized correctly.
8-10: LGTM!The User model is correctly defined using Pydantic's BaseModel.
25-28: LGTM!The UserObject model is correctly defined using Pydantic's BaseModel.
| @@ -0,0 +1,28 @@ | |||
| import sqlite3 | |||
| from fastapi import FastAPI | |||
| from fastapi.security import OAuth2PasswordBearer | |||
There was a problem hiding this comment.
Remove unused import.
The import OAuth2PasswordBearer is not used in the code.
- from fastapi.security import OAuth2PasswordBearerCommittable 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 fastapi.security import OAuth2PasswordBearer |
Tools
Ruff
3-3:
fastapi.security.OAuth2PasswordBearerimported but unusedRemove unused import:
fastapi.security.OAuth2PasswordBearer(F401)
| @app.get("/user/{username}") | ||
| async def get_user(username: str): | ||
| conn = sqlite3.connect('users.db') | ||
| cursor = conn.cursor() | ||
| query = "SELECT id, username, creation_date FROM users WHERE username=" + username | ||
| cursor.execute(query) | ||
| user = cursor.fetchone() | ||
| conn.close() | ||
| if user: | ||
| return UserObject(id=user[0], username=user[1], creation_date=user[2]) | ||
| else: | ||
| return {"error": "User not found"} |
There was a problem hiding this comment.
Fix SQL injection vulnerability.
The raw SQL query concatenation introduces a SQL injection vulnerability. Use parameterized queries to prevent this.
- query = "SELECT id, username, creation_date FROM users WHERE username=" + username
- cursor.execute(query)
+ query = "SELECT id, username, creation_date FROM users WHERE username=?"
+ cursor.execute(query, (username,))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.get("/user/{username}") | |
| async def get_user(username: str): | |
| conn = sqlite3.connect('users.db') | |
| cursor = conn.cursor() | |
| query = "SELECT id, username, creation_date FROM users WHERE username=" + username | |
| cursor.execute(query) | |
| user = cursor.fetchone() | |
| conn.close() | |
| if user: | |
| return UserObject(id=user[0], username=user[1], creation_date=user[2]) | |
| else: | |
| return {"error": "User not found"} | |
| @app.get("/user/{username}") | |
| async def get_user(username: str): | |
| conn = sqlite3.connect('users.db') | |
| cursor = conn.cursor() | |
| query = "SELECT id, username, creation_date FROM users WHERE username=?" | |
| cursor.execute(query, (username,)) | |
| user = cursor.fetchone() | |
| conn.close() | |
| if user: | |
| return UserObject(id=user[0], username=user[1], creation_date=user[2]) | |
| else: | |
| return {"error": "User not found"} |
Added Users controller.
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