Allow a local source #51
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Reviewer's Guide by SourceryThis pull request introduces the ability to fetch resources from the local filesystem using the Sequence diagram for fetching a local resourcesequenceDiagram
participant Client
participant relay_fetch_url
participant file_get_contents
Client->>relay_fetch_url: relay_fetch_url(url: 'file:/path/to/resource')
activate relay_fetch_url
relay_fetch_url->>relay_fetch_url: Check if url starts with 'file:'
alt URL is a local file
relay_fetch_url->>file_get_contents: file_get_contents('/path/to/resource')
activate file_get_contents
file_get_contents-->>relay_fetch_url: Resource content
deactivate file_get_contents
relay_fetch_url-->>Client: success: true, result: {status: 200, data: ...}
else URL is a remote file
relay_fetch_url->>relay_fetch_url: (Existing remote fetch logic)
end
deactivate relay_fetch_url
Sequence diagram for fetching a remote resourcesequenceDiagram
participant Client
participant relay_fetch_url
participant cURL
Client->>relay_fetch_url: relay_fetch_url(url: 'https://example.com/resource')
activate relay_fetch_url
relay_fetch_url->>relay_fetch_url: Check if url starts with 'file:'
alt URL is a local file
relay_fetch_url->>relay_fetch_url: (Local fetch logic)
else URL is a remote file
relay_fetch_url->>cURL: curl_setopt(..., CURLOPT_URL, 'https://example.com/resource')
relay_fetch_url->>cURL: curl_setopt(..., CURLOPT_RETURNTRANSFER, true)
relay_fetch_url->>cURL: curl_setopt(..., CURLOPT_CONNECTTIMEOUT, 30)
relay_fetch_url->>cURL: curl_setopt(..., CURLOPT_SSL_VERIFYPEER, false)
relay_fetch_url->>cURL: curl_setopt(..., CURLOPT_DNS_USE_GLOBAL_CACHE, false)
relay_fetch_url->>cURL: curl_setopt(..., CURLOPT_DNS_CACHE_TIMEOUT, 30)
activate cURL
cURL-->>relay_fetch_url: Response from remote server
deactivate cURL
relay_fetch_url-->>Client: success: true, result: {status: ..., data: ...}
end
deactivate relay_fetch_url
File-Level Changes
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WalkthroughThe change enhances the Changes
Sequence Diagram(s)sequenceDiagram
participant Client
participant RelayFunction as relay_fetch_url
participant FileSystem as File System
Client->>RelayFunction: Request URL ("file:/path/to/file")
RelayFunction->>FileSystem: Check file existence
alt File exists
FileSystem-->>RelayFunction: Return file content
RelayFunction-->>Client: Success response with data
else File missing
FileSystem-->>RelayFunction: File not found
RelayFunction-->>Client: Error response (404)
else Access denied
RelayFunction-->>Client: Error response (403)
end
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📜 Recent review detailsConfiguration used: CodeRabbit UI 📒 Files selected for processing (2)
🚧 Files skipped from review as they are similar to previous changes (1)
⏰ Context from checks skipped due to timeout of 90000ms (1)
🔇 Additional comments (2)
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PR Summary
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![sourcery-ai[bot]](https://avatars.githubusercontent.com/in/48477?s=60&v=4){kind=small}
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Hey @gnh1201 - I've reviewed your changes - here's some feedback:
Overall Comments:
- Consider adding a comment explaining why local file access is needed.
- Consider adding some input sanitization to the local file path.
Here's what I looked at during the review
- 🟢 General issues: all looks good
- 🟡 Security: 1 issue found
- 🟢 Testing: all looks good
- 🟢 Complexity: all looks good
- 🟢 Documentation: all looks good
Help me be more useful! Please click 👍 or 👎 on each comment and I'll use the feedback to improve your reviews.
assets/php/index.php
Outdated
| // from local source | ||
| $local_prefix = "file:"; | ||
| $pos = strpos($url, $local_prefix); | ||
| if ($pos !== false && $pos == 0) { | ||
| $path = substr($url, strlen($local_prefix)); | ||
|
|
||
| if (file_exists($path)) { | ||
| $response = file_get_contents($path); | ||
| return array( | ||
| "success" => true, |
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🚨 issue (security): Local file fetching logic may allow arbitrary file reads.
The new local source block based on the "file:" prefix retrieves files directly using file_get_contents. If the URL value is influenced by external input, it could lead to unauthorized file access. It would be beneficial to enforce additional validation or restrict file paths to an allowed directory to mitigate potential security risks.
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Actionable comments posted: 1
📜 Review details
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Plan: Pro
📒 Files selected for processing (1)
assets/php/index.php(4 hunks)
⏰ Context from checks skipped due to timeout of 90000ms (1)
- GitHub Check: repofix
🔇 Additional comments (3)
assets/php/index.php (3)
526-526: Increased timeout may affect system performanceIncreasing the connection timeout from 1 to 30 seconds is reasonable for ensuring successful connections, but could potentially lead to resource exhaustion if many connections are pending simultaneously.
Consider implementing a configurable timeout value with a sensible default:
- curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 30); + define("DEFAULT_CONNECT_TIMEOUT", 30); + curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, DEFAULT_CONNECT_TIMEOUT);
528-529: DNS cache settings look goodThe addition of DNS cache controls helps ensure DNS records aren't cached too long, which is especially useful in environments where DNS records might change frequently.
618-628: Improved context handlingThe simplification of context handling in
relay_invoke_methodimproves code readability and handles different input types more elegantly. The empty check for resource URL avoids unnecessary processing.
Summary by Sourcery
New Features:
Summary by CodeRabbit