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Fix code scanning alert no. 1: Information exposure through an exception #13

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merged 2 commits into from
Oct 9, 2024

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@binaryYuki binaryYuki commented Oct 9, 2024

Fixes https://github.com/binaryYuki/oleapi/security/code-scanning/1

To fix the problem, we need to ensure that detailed exception information is not exposed to the client. Instead, we should log the exception details on the server and return a generic error message to the client. This can be achieved by modifying the exception handling code to use logging for the detailed error messages and providing a generic error message in the JSON response.

  1. Import the logging module if not already imported.
  2. Replace the direct assignment of exception messages to redisHint and mysqlHint with logging statements.
  3. Return a generic error message in the JSON response instead of the exception details.

Suggested fixes powered by Copilot Autofix. Review carefully before merging.

Summary by CodeRabbit

  • 新功能

    • 改进了健康检查端点的错误处理和日志记录。
  • 错误修复

    • 标准化了Redis和MySQL错误的JSON响应提示,避免暴露具体异常信息。
  • 样式

    • 进行了代码格式的小调整,包括去除多余空格和修正缩进问题。

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>
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coderabbitai bot commented Oct 9, 2024

Walkthrough

此次更改主要集中在app.py文件,特别是健康检查端点的错误处理和日志记录的改进。healthz函数已更新,以增强与Redis和MySQL连接相关的错误日志记录。错误消息现在使用logging.error方法记录,并采用格式化字符串以提高可读性。JSON响应中关于Redis和MySQL错误的提示已标准化为通用消息,而不是暴露具体的异常消息。此外,还进行了代码格式的小调整,如去除多余空格和修正缩进问题。整体结构和逻辑未发生变化。

Changes

文件 更改摘要
app.py 更新healthz函数以改进Redis和MySQL连接的错误日志记录,标准化JSON响应中的错误提示,进行代码格式调整。

Possibly related PRs

  • chore: bump version #11: 此PR也涉及健康检查端点(/healthz),重点是错误处理和响应格式,与主要PR中的错误日志记录和响应标准化改进直接相关。

Suggested reviewers

  • tz379

Poem

在兔子洞中我欢跳,
错误日志更清晰,
健康检查不再愁,
Redis、MySQL一同走,
代码整齐如新草,
兔子欢呼声嘹亮! 🐰✨


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Actionable comments posted: 1

🧹 Outside diff range and nitpick comments (2)
app.py (2)

184-185: 改进了Redis错误处理,增强了安全性

这些更改符合PR的目标,通过以下方式提高了应用程序的安全性:

  1. 使用logging.error记录详细的错误信息,有助于服务器端调试。
  2. redisHint分配通用错误消息,防止向客户端暴露敏感信息。

建议稍微调整日志记录语句,以提供更多上下文:

logging.error("Redis error in healthz endpoint: %s", str(e))

这样可以更容易地在日志中识别错误的来源。

🧰 Tools
🪛 Ruff

185-185: Local variable redisHint is assigned to but never used

Remove assignment to unused variable redisHint

(F841)


192-197: 改进了MySQL错误处理,提高了错误日志的精确性

这些更改进一步增强了应用程序的安全性和可维护性:

  1. 分别处理了ConnectionError和其他异常,提供了更具体的错误日志。
  2. 使用通用错误消息,防止向客户端暴露敏感信息。

建议稍微调整错误消息,以区分连接错误和其他错误:

mysqlHint = "A connection error occurred with MySQL" if isinstance(e, ConnectionError) else "An error occurred with MySQL"

这样可以在不暴露具体错误细节的情况下,为客户端提供稍微更具体的信息。

🧰 Tools
🪛 Ruff

197-197: Local variable mysqlHint is assigned to but never used

Remove assignment to unused variable mysqlHint

(F841)

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

📥 Commits

Files that changed from the base of the PR and between da13dc2 and bf070db.

📒 Files selected for processing (1)
  • app.py (2 hunks)
🧰 Additional context used
🪛 Ruff
app.py

185-185: Local variable redisHint is assigned to but never used

Remove assignment to unused variable redisHint

(F841)


197-197: Local variable mysqlHint is assigned to but never used

Remove assignment to unused variable mysqlHint

(F841)

🔇 Additional comments (1)
app.py (1)

Line range hint 1-274: 总结:安全性显著提升,日志记录得到改进

本次PR的更改成功实现了以下目标:

  1. 通过使用通用错误消息,防止了敏感信息通过异常暴露给客户端。
  2. 改进了服务器端的错误日志记录,有助于更好地进行调试和问题诊断。
  3. 保持了健康检查端点的功能完整性,同时增强了其安全性。

总体而言,这些更改显著提高了应用程序的安全性和可维护性。建议在合并之前,考虑实施之前提到的小改进,特别是删除未使用的变量赋值。这将进一步优化代码质量。

为确保这些更改不会对其他部分of代码产生意外影响,建议运行以下验证脚本:

这将帮助确保更改的影响仅限于预期的范围。

✅ Verification successful

验证通过:更改范围受控且无其他影响

根据执行的验证脚本,healthz 端点以及 redisHintmysqlHint 仅在 app.py 中定义和使用,没有在其他地方出现。这确认了更改不会对代码库的其他部分产生意外影响。

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# 描述:验证 healthz 端点的使用情况,确保更改不会影响其他部分的代码。

# 测试:搜索 healthz 端点的使用。预期:只有在 app.py 中定义的使用。
rg --type python 'healthz'

# 测试:检查是否有其他地方依赖于详细的错误消息。预期:没有其他地方使用详细的错误消息。
rg --type python 'redisHint|mysqlHint'

Length of output: 129


Script:

#!/bin/bash
# 修正后: 验证 healthz 端点的使用情况,确保更改不会影响其他部分的代码。

# 测试:搜索 healthz 端点的使用。预期:只有在 app.py 中定义的使用。
rg -t py 'healthz'

# 测试:检查是否有其他地方依赖于详细的错误消息。预期:没有其他地方使用详细的错误消息。
rg -t py 'redisHint|mysqlHint'

Length of output: 410

🧰 Tools
🪛 Ruff

185-185: Local variable redisHint is assigned to but never used

Remove assignment to unused variable redisHint

(F841)


197-197: Local variable mysqlHint is assigned to but never used

Remove assignment to unused variable mysqlHint

(F841)

app.py Show resolved Hide resolved
@binaryYuki binaryYuki marked this pull request as ready for review October 9, 2024 15:25
@binaryYuki binaryYuki enabled auto-merge (squash) October 9, 2024 15:26
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LGTM

@binaryYuki binaryYuki merged commit 1b776f7 into master Oct 9, 2024
4 checks passed
@binaryYuki binaryYuki deleted the alert-autofix-1 branch October 9, 2024 15:28
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2 participants