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[VNEXT] multiple storage provider support #332
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WalkthroughThe pull request introduces significant updates to the Changes
Assessment against linked issues
Security Recommendations
📜 Recent review detailsConfiguration used: CodeRabbit UI 📒 Files selected for processing (3)
🚧 Files skipped from review as they are similar to previous changes (1)
🔇 Additional comments (2)backend/internal/data/repo/repo_documents.go (1)
The path construction is secure due to:
backend/app/api/handlers/v1/v1_ctrl_items_attachments.go (1)
Let's ensure proper security measures are in place for the blob storage implementation. ✅ Verification successfulSecurity Controls Verified with Some Recommendations The attachment handling implementation has proper security controls in place through:
However, for enhanced security, consider these recommendations:
🏁 Scripts executedThe following scripts were executed for the analysis: Script: #!/bin/bash
# Description: Check for potential security issues in the codebase
# Check for hardcoded connection strings
echo "Checking for hardcoded connection strings..."
rg -i '(blob|storage|bucket).*["\'].*://.*["\']' --type go
# Check for missing access controls in attachment handlers
echo "Checking for proper access control implementations..."
ast-grep --pattern 'func ($x *V1Controller) Handle.*Attachment.* {
$$$
ctx := services.NewContext($_)
$$$
}'
# Check for proper error handling patterns
echo "Checking error handling patterns..."
rg -A 2 'validate\.NewRequestError' --type go
Length of output: 193 Script: #!/bin/bash
# Let's break down the verification into separate commands for better reliability
# Check for connection string handling
echo "=== Checking connection string handling ==="
rg "GetConnString" -A 3 -B 3
# Check for access control patterns
echo "=== Checking access control patterns ==="
rg "func.*HandleAttachment" -A 10
# Check authentication middleware usage
echo "=== Checking authentication middleware ==="
rg "middleware.*Auth" -A 2
# Check error handling for unauthorized access
echo "=== Checking error handling patterns ==="
rg "StatusUnauthorized|StatusForbidden" -A 2
# Check blob storage security configurations
echo "=== Checking blob storage security ==="
rg "blob\.Open.*Bucket" -A 3 -B 3
Length of output: 6292 Thank you for using CodeRabbit. We offer it for free to the OSS community and would appreciate your support in helping us grow. If you find it useful, would you consider giving us a shout-out on your favorite social media? 🪧 TipsChatThere are 3 ways to chat with CodeRabbit:
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Caution
Inline review comments failed to post. This is likely due to GitHub's limits when posting large numbers of comments.
Actionable comments posted: 5
🧹 Outside diff range and nitpick comments (7)
backend/go.mod (3)
Line range hint
3-3
: Fix invalid Go versionThe specified Go version
1.23.0
does not exist yet. The latest stable version is1.22.x
.Apply this diff to update to the latest stable version:
-go 1.23.0 +go 1.22.0
26-26
: Security Recommendations for Cloud Storage ImplementationWith the addition of multiple cloud storage providers, please ensure the following security measures are implemented:
Secure Configuration:
- Use environment variables or secure vaults for cloud credentials
- Implement least-privilege IAM roles
- Enable audit logging for cloud operations
Data Protection:
- Enable server-side encryption for cloud storage
- Implement proper access controls
- Use signed URLs for temporary access
Network Security:
- Configure appropriate firewall rules
- Use VPC endpoints where possible
- Enable TLS for data in transit
Would you like me to provide example configurations for secure cloud storage setup?
Also applies to: 32-67
74-75
: Leverage OpenTelemetry for Security MonitoringThe addition of OpenTelemetry packages provides an opportunity to implement security monitoring. Consider:
- Tracking authentication/authorization events
- Monitoring file access patterns
- Setting up alerts for suspicious activities
Would you like me to provide example configurations for security monitoring with OpenTelemetry?
Also applies to: 109-114
backend/internal/data/repo/repo_documents.go (4)
97-103
: Suggestion: Simplify bucket closure with deferred callThe deferred function used to close the bucket adds unnecessary complexity.
Recommendation:
Simplify the code by using a direct
defer
statement.defer func() { if err := bucket.Close(); err != nil { log.Err(err).Msg("failed to close bucket") } }()Or even:
defer bucket.Close()Ensure that error handling is consistent with your application's logging practices.
136-142
: Suggestion: Simplify bucket closure with deferred callSimplify the deferred closure of the bucket as mentioned previously.
Recommendation:
defer func() { if err := bucket.Close(); err != nil { log.Err(err).Msg("failed to close bucket") } }()
17-21
: Security Recommendation: Securely manage storage provider dependenciesBy importing multiple storage providers using blank identifiers, all provider drivers are included, which may increase the application's attack surface and binary size.
Recommendation:
Import only the storage providers that are necessary for your application to reduce potential vulnerabilities and minimize the binary size. Ensure that all credentials and configurations for these providers are managed securely.
Line range hint
71-76
: Security Concern: Validate and sanitize file pathsThe
path
function constructs file paths that are used to store documents. Ensure that thepathlib.Safe
function properly sanitizes inputs to prevent path traversal attacks.Recommendation:
Verify that
pathlib.Safe
effectively neutralizes any malicious input ingid
andext
. Additionally, consider adding validation to restrictext
to a whitelist of allowed extensions.
🛑 Comments failed to post (5)
backend/go.mod (1)
26-130: 💡 Codebase verification
⚠️ Security vulnerabilities detected in dependenciesThe security scan has revealed some concerns that need attention:
golang.org/x/crypto v0.28.0
is vulnerable to the Terrapin attack (CVE-2023-48795). Upgrade to v0.17.0 or later.google.golang.org/grpc v1.65.0
is using a version that's vulnerable to:
- Private token exposure in logs (fixed in v1.64.1)
- HTTP/2 Stream Cancellation attacks
- gRPC-Go HTTP/2 Rapid Reset vulnerability
Recommended actions:
- Update
golang.org/x/crypto
to at least v0.17.0- Update
google.golang.org/grpc
to at least v1.64.1Other scanned dependencies (
gocloud.dev
, cloud provider SDKs,oauth2
, and JWT packages) show no known vulnerabilities.🔗 Analysis chain
Verify dependencies for security vulnerabilities
Let's check the newly added dependencies for known security vulnerabilities.
Let me check a few more critical dependencies for security vulnerabilities.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Check for security advisories in new dependencies # Check for vulnerabilities in gocloud.dev gh api graphql -f query=' { securityVulnerabilities(first: 5, ecosystem: GO, package: "gocloud.dev") { nodes { advisory { summary severity publishedAt } vulnerableVersionRange firstPatchedVersion { identifier } } } }' # Check for vulnerabilities in cloud provider SDKs for pkg in "cloud.google.com/go" "github.com/Azure/azure-sdk-for-go" "github.com/aws/aws-sdk-go-v2"; do echo "Checking $pkg..." gh api graphql -f query=" { securityVulnerabilities(first: 5, ecosystem: GO, package: \"$pkg\") { nodes { advisory { summary severity publishedAt } vulnerableVersionRange firstPatchedVersion { identifier } } } }" doneLength of output: 2080
Script:
#!/bin/bash # Check for vulnerabilities in other critical dependencies for pkg in "golang.org/x/crypto" "google.golang.org/grpc" "golang.org/x/oauth2" "github.com/golang-jwt/jwt"; do echo "Checking $pkg..." gh api graphql -f query=" { securityVulnerabilities(first: 5, ecosystem: GO, package: \"$pkg\") { nodes { advisory { summary severity publishedAt } vulnerableVersionRange firstPatchedVersion { identifier } } } }" done # Also check the go.mod file for any deprecated or insecure version constraints grep -E "^[[:space:]]*[^/]+[[:space:]]+v[0-9]+\.[0-9]+\.[0-9]+" backend/go.mod | while read -r line; do echo "Checking version: $line" doneLength of output: 5108
backend/internal/data/repo/repo_documents.go (4)
81-85:
⚠️ Potential issueCritical Issue: Invalid bucket URL in
blob.OpenBucket
callIn the
Create
method,blob.OpenBucket
is called with an empty string as the URL. This will fail to open a valid bucket and will result in runtime errors when attempting to store documents.Recommendation:
Provide a valid bucket URL, and ensure that sensitive information like access keys or connection strings are securely managed, preferably through environment variables or a configuration management system. Here's how you might adjust the code:
bucketURL := os.Getenv("BUCKET_URL") bucket, err := blob.OpenBucket(context.Background(), bucketURL) if err != nil { log.Err(err).Msg("failed to open bucket") return DocumentOut{}, err }
89-89:
⚠️ Potential issueCritical Issue: Incorrect MD5 hash computation for
ContentMD5
The
ContentMD5
option should contain the MD5 checksum of the content being uploaded. Currently, it computes the MD5 hash ofdoc.Title
, which is incorrect and could lead to integrity issues.Recommendation:
Compute the MD5 checksum of the document content. Note that this requires reading the content stream twice or buffering it, which may not be efficient for large files. Additionally, consider using a stronger hash function if supported.
// Read the content into a buffer to compute MD5 and upload buf := new(bytes.Buffer) tee := io.TeeReader(doc.Content, buf) hash := md5.New() if _, err := io.Copy(hash, tee); err != nil { log.Err(err).Msg("failed to compute MD5 hash") return DocumentOut{}, err } options := &blob.WriterOptions{ ContentType: "application/octet-stream", ContentMD5: hash.Sum(nil), }
91-93:
⚠️ Potential issueCritical Issue:
Upload
method does not exist onblob.Bucket
The
blob.Bucket
type does not have anUpload
method. Using a non-existent method will result in a compilation error.Recommendation:
Use
NewWriter
to obtain aWriter
for the bucket, and then write your content to it.w, err := bucket.NewWriter(ctx, path, options) if err != nil { log.Err(err).Msg("failed to create bucket writer") return DocumentOut{}, err } defer func() { if err := w.Close(); err != nil { log.Err(err).Msg("failed to close writer") } }() if _, err := io.Copy(w, buf); err != nil { log.Err(err).Msg("failed to write content to bucket") return DocumentOut{}, err }
120-124:
⚠️ Potential issueCritical Issue: Invalid bucket URL in
blob.OpenBucket
callIn the
Delete
method,blob.OpenBucket
is called with an empty string as the URL, which will fail to open the bucket.Recommendation:
Just like in the
Create
method, supply a valid bucket URL and manage credentials securely.bucketURL := os.Getenv("BUCKET_URL") bucket, err := blob.OpenBucket(context.Background(), bucketURL) if err != nil { log.Err(err).Msg("failed to open bucket") return err }
@coderabbitai bucket.Upload does exist as a function with the dependency. |
Tip For best results, initiate chat on the files or code changes. @tankerkiller125: Thank you for the clarification. I appreciate that Since the application is now integrating with multiple cloud storage providers using
Let me know if you have any questions or need further assistance. ✏️ Learnings added
|
BREAKING CHANGE: Add new file connection string variable
TODO: File deletion still doesn't work correctly for some reason |
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Caution
Inline review comments failed to post. This is likely due to GitHub's limits when posting large numbers of comments.
Actionable comments posted: 9
🧹 Outside diff range and nitpick comments (9)
backend/internal/sys/config/conf_database.go (1)
9-10
: Document the storage configuration optionsThe new storage configuration needs documentation to explain:
- Supported connection string formats for each provider
- Required permissions and authentication methods
- Security best practices for production deployments
Consider adding detailed comments or creating a separate documentation file:
type Storage struct { + // ConnString specifies the storage provider URL: + // - Local: file://./.data + // - S3: s3://bucket-name?region=us-west-1 + // - GCS: gs://bucket-name + // - Azure: azure://container-name ConnString string `yaml:"conn_string" conf:"default:file://./.data"` + // Data specifies the root directory for local storage Data string `yaml:"data" conf:"default:./"` }Dockerfile.rootless (1)
45-47
: Security recommendations for multi-storage configurationSince this PR adds support for multiple storage providers, consider these security enhancements:
- Add environment variables for cloud credentials:
ENV HBOX_STORAGE_DATA=file:///data/ +# For S3 +ENV AWS_ACCESS_KEY_ID="" +ENV AWS_SECRET_ACCESS_KEY="" +ENV AWS_REGION="" +# For Google Cloud Storage +ENV GOOGLE_APPLICATION_CREDENTIALS="" +# For Azure Blob Storage +ENV AZURE_STORAGE_ACCOUNT="" +ENV AZURE_STORAGE_KEY=""
- Consider adding comments to document supported URL formats for different providers:
+# Supported storage URLs: +# Local: file:///data/ +# S3: s3://bucket-name +# GCS: gs://bucket-name +# Azure: azblob://container-name ENV HBOX_STORAGE_DATA=file:///data/Dockerfile (1)
63-63
: Consider adding documentation for storage configurationSince this is part of the multi-storage provider support, it would be helpful to add comments in the Dockerfile explaining the supported URL schemes for different storage providers (e.g., s3://, gs://, azure://).
Consider adding a comment like this:
+# Storage URL schemes: file:///, s3://, gs://, azure:// ENV HBOX_STORAGE_DATA=file:///data/
backend/internal/data/repo/repo_documents.go (4)
17-21
: Security Considerations for Cloud Storage IntegrationWhile the cloud provider imports look good, here are some security recommendations:
- Ensure the connection strings are stored securely (e.g., using environment variables)
- Implement proper access controls and bucket policies
- Consider implementing request signing for enhanced security
- Monitor and audit storage access patterns
59-59
: Enhance path validation and sanitizationWhile
pathlib.Safe
is used, consider additional security measures:
- Validate maximum path length
- Implement path traversal protection
- Add file extension whitelist
func (r *DocumentRepository) path(gid uuid.UUID, ext string) string { + // Whitelist allowed extensions + allowedExt := map[string]bool{".pdf": true, ".doc": true, ".docx": true} + if !allowedExt[ext] { + return "" + } return pathlib.Safe(filepath.Join(r.storePath, gid.String(), "documents", uuid.NewString()+ext)) }
102-112
: Improve error handling and resource managementThe bucket operations look good, but consider these enhancements:
- Use context with timeout for the write operation
- Implement retry mechanism for transient failures
- Add metrics/monitoring for storage operations
+func (r *DocumentRepository) writeWithRetry(ctx context.Context, bucket *blob.Bucket, path string, data []byte, opts *blob.WriterOptions) error { + backoff := time.Second + maxRetries := 3 + + for i := 0; i < maxRetries; i++ { + err := bucket.WriteAll(ctx, path, data, opts) + if err == nil { + return nil + } + if !errors.Is(err, context.DeadlineExceeded) { + return err + } + time.Sleep(backoff * time.Duration(i+1)) + } + return errors.New("max retries exceeded") +}
141-151
: Add safety measures for delete operationsConsider implementing these safety measures:
- Add soft delete capability
- Implement versioning for recovery
- Add audit logging for delete operations
+ // Add audit log + log.Info(). + Str("document_id", id.String()). + Str("path", doc.Path). + Msg("document deleted")backend/app/api/main.go (1)
204-207
: Add audit logging for storage operationsGiven the addition of multiple storage providers, implement comprehensive audit logging to track:
- Storage provider access attempts
- File operations (upload/download/delete)
- Authentication failures
Example implementation:
// Add to services package type StorageAuditor interface { LogStorageAccess(provider, operation string, success bool) LogStorageError(provider, operation string, err error) }backend/app/api/handlers/v1/v1_ctrl_items_attachments.go (1)
177-182
: Avoid closing the bucket within the request scopeOpening and closing the bucket on every request may introduce overhead and affect performance. Consider initializing the bucket once at application startup and reusing it across requests. Close the bucket when the application is shutting down.
🛑 Comments failed to post (9)
backend/internal/sys/config/conf_database.go (2)
9-9:
⚠️ Potential issueEnsure secure handling of connection strings
The
ConnString
field may contain sensitive credentials for cloud storage providers.Security recommendations:
- Ensure connection strings are loaded from secure sources (env vars, secrets management)
- Avoid logging or exposing the full connection string
- Consider adding validation for supported URL schemes (file://, s3://, gs://, azure://)
Would you like me to provide a code example for secure connection string handling?
10-10:
⚠️ Potential issueValidate and sanitize storage paths
The Data field's default value of "./" could potentially allow access to sensitive files outside the intended storage area.
Security recommendations:
- Implement path sanitization to prevent directory traversal
- Consider using absolute paths instead of relative paths
- Add validation to ensure paths remain within allowed boundaries
Example validation:
+ // Add to Storage struct + func (s *Storage) Validate() error { + if strings.Contains(s.Data, "..") { + return errors.New("path must not contain parent directory references") + } + return nil + }Committable suggestion skipped: line range outside the PR's diff.
Dockerfile (1)
63-63:
⚠️ Potential issueVerify volume permissions for cloud provider credentials
The
/data
volume permissions (777) might be too permissive. Consider:
- Using more restrictive permissions for credential files
- Separating storage data from configuration/credential storage
Apply this change for better security:
-RUN mkdir -p /app /data && chmod -R 777 /data +RUN mkdir -p /app /data && \ + chmod 755 /data && \ + mkdir -p /data/storage && \ + chmod 777 /data/storage && \ + mkdir -p /data/credentials && \ + chmod 600 /data/credentialsAlso applies to: 71-71
backend/internal/data/repo/repo_documents.go (2)
94-100: 🛠️ Refactor suggestion
Enhance content security and type detection
The MD5 checksum implementation is good, but consider these improvements:
- Use a stronger hash function (SHA-256) for content verification
- Implement content type validation
- Add file size limits
27-29: 🛠️ Refactor suggestion
Consider adding validation for storage configuration
The new fields
storePath
andconnString
are critical for operation but lack validation. Consider adding validation to ensure these are properly initialized.type DocumentRepository struct { db *ent.Client storePath string connString string + + // Add a constructor method + func NewDocumentRepository(db *ent.Client, storePath, connString string) (*DocumentRepository, error) { + if storePath == "" || connString == "" { + return nil, errors.New("storage configuration cannot be empty") + } + return &DocumentRepository{ + db: db, + storePath: storePath, + connString: connString, + }, nil + } }Committable suggestion skipped: line range outside the PR's diff.
backend/app/api/main.go (2)
204-207: 🛠️ Refactor suggestion
Implement storage provider health checks
With multiple storage providers, add health checks to verify:
- Storage provider connectivity
- Proper authentication
- Required permissions
Example implementation:
// Add to the runner.AddFunc calls runner.AddPlugin(NewTask("storage-health-check", time.Duration(5)*time.Minute, func(ctx context.Context) { if err := app.services.Storage.HealthCheck(ctx); err != nil { log.Error().Err(err).Msg("storage health check failed") } }))
204-204: 💡 Codebase verification
⚠️ Potential issueStorage connection string requires additional security measures
Based on the verification results, the connection string handling needs security improvements:
- The connection string is stored in plain text in the configuration (
conf_database.go
)- No validation or sanitization is performed before passing to
repo.New()
- The default value
file://./.data
suggests local file system usage, but the PR adds cloud provider supportRecommended security measures:
- Add connection string format validation before passing to
repo.New()
- Implement secure credential management (e.g., environment variables, secret management service)
- Add sanitization to prevent injection attacks in cloud provider URLs
- Consider encrypting the connection string in memory
- Add audit logging for storage operations with sensitive data redaction
🔗 Analysis chain
Enhance security for storage connection string handling
The addition of
cfg.Storage.ConnString
introduces potential security risks when handling cloud storage credentials. Consider implementing the following security measures:
- Validate the connection string format before passing it to repo.New()
- Ensure the connection string is not logged in plain text
- Clear sensitive data from memory after use
Let's verify the current handling of the connection string:
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Check for potential credential logging rg -i "connstring|connection.*string" -A 3 -B 3 # Check for secure credential handling patterns ast-grep --pattern 'log.$$$($_, $connString)'Length of output: 17287
Script:
#!/bin/bash # Check for connection string handling in repo package rg -i "connstring|connection.*string" -A 3 -B 3 backend/internal/repo/ # Check for storage provider initialization and credential handling ast-grep --pattern 'New($$$)' # Look for any logging of connection strings rg -i "log.*connstring|log.*connection.*string" -A 3 -B 3Length of output: 2160
Script:
#!/bin/bash # Check storage initialization in repo package rg -p "repo/.*\.go$" --files | xargs cat # Check for any credential handling patterns ast-grep --pattern 'cfg.Storage.ConnString' # Look for storage provider initialization ast-grep --pattern 'type Storage struct { $$$ }'Length of output: 721
backend/app/api/handlers/v1/v1_ctrl_items_attachments.go (2)
167-171: 🛠️ Refactor suggestion
Externalize the bucket URL to support multiple storage providers securely
Currently, the bucket URL
"file://./.data/"
is hardcoded, which limits flexibility and may pose security risks. To fully support multiple storage providers like S3, Google Cloud, and Azure Blobs, consider externalizing this configuration. Using environment variables or a configuration file allows for dynamic selection of storage backends and prevents exposure of internal paths.
172-176:
⚠️ Potential issueClose the file reader to prevent resource leaks
The
file
reader obtained frombucket.NewReader
should be closed after use to release resources properly.Apply this diff to fix the issue:
file, err := bucket.NewReader(ctx, doc.Path, nil) if err != nil { log.Err(err).Msg("failed to open file") return validate.NewRequestError(err, http.StatusInternalServerError) } +defer file.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.file, err := bucket.NewReader(ctx, doc.Path, nil) if err != nil { log.Err(err).Msg("failed to open file") return validate.NewRequestError(err, http.StatusInternalServerError) } defer file.Close()
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Caution
Inline review comments failed to post. This is likely due to GitHub's limits when posting large numbers of comments.
Actionable comments posted: 3
🧹 Outside diff range and nitpick comments (4)
backend/internal/data/repo/repo_documents_test.go (1)
50-52
: Security: Ensure proper connection string handling in production codeWhile using a simple file:// prefix works for local testing, ensure that the production code:
- Validates and sanitizes connection strings
- Uses environment variables or secure secrets management for cloud credentials
- Implements proper access controls and encryption for cloud storage
backend/internal/core/services/service_items_attachments.go (3)
Line range hint
44-67
: Implement security measures for file uploadsThe file upload process needs several security enhancements:
- File size limits to prevent DoS attacks
- Content type validation
- Malware scanning
- Rate limiting per user
Additionally, consider implementing the cloud storage interface here instead of relying on local storage.
// Create the document +// Add security checks +if err := validateFileSize(file); err != nil { + return repo.ItemOut{}, err +} +if err := validateContentType(filename); err != nil { + return repo.ItemOut{}, err +} doc, err := svc.repo.Docs.Create(ctx, ctx.GID, repo.DocumentCreate{Title: filename, Content: file})
Line range hint
1-89
: Architectural Recommendations for Multi-Storage SupportTo properly support multiple storage providers as per PR objectives, this service needs significant architectural changes:
- Introduce a storage provider interface:
type StorageProvider interface { Get(ctx context.Context, path string) (io.Reader, error) Put(ctx context.Context, path string, content io.Reader) error Delete(ctx context.Context, path string) error }
- Inject the storage provider into the service:
type ItemService struct { repo *repo.Repository storage StorageProvider }
- Security enhancements needed:
- Secure credential management for cloud providers
- Input validation and sanitization
- Access control checks
- Rate limiting
- Audit logging for file operations
Would you like me to provide a detailed implementation plan for these changes?
Critical: Implement cloud storage abstraction for secure document handling
The codebase shows a tightly coupled document storage system with direct filesystem operations. Based on the analysis of
DocumentRepository
and related types, here are the critical security and architectural recommendations:
- Create a storage interface in a new package (e.g.,
backend/internal/storage
):type StorageProvider interface { Delete(ctx context.Context, path string) error Store(ctx context.Context, path string, data []byte) error // Add other necessary methods }
- Security concerns to address:
- 🔒 Implement path sanitization to prevent directory traversal attacks
- 🔒 Add content validation before storage operations
- 🔒 Implement proper access control checks
- 🔒 Use signed URLs for temporary access when needed
- Replace the direct
os.Remove
call with the storage provider inservice_items_attachments.go
:-err = os.Remove(attachments.Edges.Document.Path) +err = svc.storageProvider.Delete(ctx, attachments.Edges.Document.Path)This change is critical for both security and cloud readiness. The current implementation exposes the system to potential security vulnerabilities and doesn't support cloud storage providers.
🔗 Analysis chain
Line range hint
75-89
: Critical: Replace direct filesystem operations with cloud storage interfaceThe use of
os.Remove
directly contradicts the PR objective of supporting multiple storage providers. This needs to be replaced with the cloud storage interface. Additionally, there are several security concerns:
- Path traversal vulnerability due to lack of path validation
- Race conditions between existence check and deletion
- No abstraction layer for storage operations
Replace the direct filesystem operation with the cloud storage interface:
-err = os.Remove(attachments.Edges.Document.Path) +// Use cloud storage interface +err = svc.storageProvider.Delete(ctx, attachments.Edges.Document.Path)
Let me analyze the storage architecture to provide accurate recommendations for transitioning from direct filesystem operations.
I need to understand the current document handling architecture to provide accurate recommendations for the storage transition.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Check for other direct filesystem operations that need to be replaced rg -g '*.go' 'os\.(Remove|Create|Open|Write|Read)' -A 2 -B 2Length of output: 3352
Script:
#!/bin/bash # Let's check if there's a cloud storage interface or provider already defined rg -g '*.go' -B 3 -A 3 'interface.*Storage|type.*Storage' # Also check for any existing cloud storage implementations rg -g '*.go' -B 3 -A 3 '(struct|interface).*Provider'Length of output: 646
Script:
#!/bin/bash # Let's check for any document or file handling related interfaces/types rg -g '*.go' -B 3 -A 3 'type.*(Document|File|Upload)' # Also check for any existing file operations in the attachments service ast-grep --pattern 'func ($svc *ItemsAttachmentsService) $$$'Length of output: 9838
🛑 Comments failed to post (3)
backend/internal/core/services/main_test.go (1)
64-64: 💡 Codebase verification
Security: The hardcoded path is safe, but cloud storage testing needs improvement
The verification reveals:
- The "/homebox" path in
repo.New()
is used consistently across the codebase as a bucket prefix, not a filesystem path.- Cloud storage support is properly implemented using
gocloud.dev/blob
with multiple providers (Azure, GCS, S3, File).- However, test coverage for cloud storage is limited to local file storage only.
Security recommendations:
- Add test cases using
gocloud.dev/blob/memblob
to verify multi-provider functionality- Consider adding integration tests for cloud providers in CI using mock credentials
- Document the storage URL format and security considerations in the codebase
🔗 Analysis chain
Security: Avoid hardcoded paths and add test coverage for cloud storage
- The hardcoded "/homebox" path should be configurable to prevent path traversal risks and improve flexibility.
- Consider adding test cases for cloud storage providers (S3, Azure, GCP) to ensure the new multi-storage functionality is properly tested.
Let's verify the usage of hardcoded paths across the codebase:
Consider these improvements:
- Move the "/homebox" path to a test configuration variable
- Add test cases using the
gocloud.dev/blob/memblob
package to simulate cloud storage providers without requiring actual cloud credentials in tests
The previous search revealed the presence of cloud storage integration, but we need to analyze the actual implementation and test coverage. This will help us verify if the hardcoded path is a security concern and if cloud storage testing is adequate.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Search for hardcoded "/homebox" paths that might need to be made configurable rg -l "/homebox" # Search for other test files to see if cloud storage providers are tested fd -e go -x rg -l "gocloud.dev/blob"Length of output: 8033
Script:
#!/bin/bash # Let's check how "/homebox" is used in the repo implementation and tests rg -A 5 "/homebox" backend/internal/data/repo/ # Check for cloud storage URL patterns and tests rg -A 5 "blob.OpenBucket|gocloud.dev/blob" backend/Length of output: 16811
backend/internal/core/services/service_items_attachments.go (2)
26-35:
⚠️ Potential issueValidate document title input
The title update operation should validate and sanitize the input to prevent injection attacks or malicious filenames.
attDoc := attachments.Edges.Document +// Add title validation +if !isValidDocumentTitle(data.Title) { + return repo.ItemOut{}, fmt.Errorf("invalid document title") +} _, err = svc.repo.Docs.Rename(ctx, attDoc.ID, data.Title)Committable suggestion skipped: line range outside the PR's diff.
16-21: 💡 Codebase verification
⚠️ Potential issue🔒 Add group-based access control to prevent unauthorized document access
The current implementation of
AttachmentPath
retrieves documents without verifying if they belong to the user's group. This could lead to unauthorized access across group boundaries. The repository layer shows that attachments are linked to items and documents, but the service layer isn't enforcing group-based access control.Required security changes:
- Add group ID parameter to
AttachmentPath
method- Verify attachment belongs to the specified group using
HasGroupWith
predicate- Add middleware to validate group membership from the authentication context
🔗 Analysis chain
Add access control and path validation
The function should validate that the requesting user has permission to access the document before returning the path. Additionally, the returned path should be sanitized to prevent potential path traversal attacks.
Let me analyze the security patterns before making the final recommendation.
Let me analyze the authentication and authorization patterns before making the final security recommendation.
Let me analyze the service structure and authentication flow before making the final security assessment.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Check for other instances where document paths are returned without validation rg -g '*.go' 'return.*\.Path' -A 2 -B 2Length of output: 608
Script:
#!/bin/bash # Check for access control patterns in the service layer ast-grep --pattern 'func ($service *ItemsAttachmentsService) AttachmentPath($ctx context.Context, $id int) ($_, error) { $$$ }' # Check for any permission checks in the repository layer rg -g '*.go' 'func.*Get.*context.Context.*\).*error' -A 5 # Look for any security middleware or auth checks rg -g '*.go' '(middleware|auth|permission|access).*Check' -A 3Length of output: 23539
Script:
#!/bin/bash # Check for group-based access control in the attachment service ast-grep --pattern 'func ($service *ItemsAttachmentsService) $method($ctx context.Context, $$$) ($_, error) { $$$ HasGroupWith($$$) $$$ }' # Look for middleware implementations rg -g '*.go' 'func.*middleware' -A 5 # Check for auth token validation rg -g '*.go' 'token.*valid' -A 3Length of output: 640
Script:
#!/bin/bash # Check for attachment service implementation rg -g '*.go' 'type.*ItemsAttachmentsService.*struct' -A 10 # Look for group-based access checks in the repository layer rg -g '*.go' 'func.*Attachment.*Get.*Context' -B 5 -A 10 # Check for auth middleware in router setup rg -g '*.go' 'router.*middleware' -A 5Length of output: 2734
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Caution
Inline review comments failed to post. This is likely due to GitHub's limits when posting large numbers of comments.
Actionable comments posted: 6
🧹 Outside diff range and nitpick comments (1)
backend/app/api/handlers/v1/v1_ctrl_items_attachments.go (1)
5-5
: Security Considerations for Cloud Storage IntegrationWhile the
gocloud.dev/blob
package provides a unified interface for multiple storage providers, we should ensure proper security measures:
- Implement bucket access controls
- Use signed URLs for temporary access
- Configure proper CORS policies
- Enable server-side encryption
Would you like me to provide specific implementation examples for these security measures?
🛑 Comments failed to post (6)
backend/internal/data/repo/repo_documents.go (4)
62-64:
⚠️ Potential issueConsider Access Control for Connection String
The
GetConnString
method could potentially expose sensitive credentials. Consider:
- Adding access control or authentication checks
- Returning only non-sensitive parts of the connection string
- Adding logging for access attempts
133-154:
⚠️ Potential issueAddress Potential Race Condition in Delete Method
The current implementation has several concerns:
- Race condition between Get and Delete operations
- Similar to Create method, defer placement needs adjustment
- No verification of successful deletion
Consider implementing optimistic locking or atomic operation. Also, apply similar defer pattern as suggested for Create method.
bucket, err := blob.OpenBucket(context.Background(), r.connString) if err != nil { log.Err(err).Msg("failed to open bucket") return err } +defer func() { + if err := bucket.Close(); err != nil { + log.Err(err).Msg("failed to close bucket") + } +}() doc, err := r.db.Document.Get(ctx, id) if err != nil { return err } + +// Consider adding existence check before deletion +exists, err := bucket.Exists(ctx, doc.Path) +if err != nil { + return err +} +if !exists { + log.Warn().Msg("document already deleted from storage") +}Committable suggestion skipped: line range outside the PR's diff.
86-116: 🛠️ Refactor suggestion
Enhance Error Handling and Security in Create Method
While the implementation is good, consider these improvements:
- The
defer bucket.Close()
should be placed immediately after successful bucket opening- Consider implementing retry logic for transient failures
- Add context timeout for bucket operations
- Consider implementing upload size limits
Apply this diff:
bucket, err := blob.OpenBucket(context.Background(), r.connString) if err != nil { log.Err(err).Msg("failed to open bucket") return DocumentOut{}, err } +defer func() { + if err := bucket.Close(); err != nil { + log.Err(err).Msg("failed to close bucket") + } +}()📝 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.bucket, err := blob.OpenBucket(context.Background(), r.connString) if err != nil { log.Err(err).Msg("failed to open bucket") return DocumentOut{}, err } defer func() { if err := bucket.Close(); err != nil { log.Err(err).Msg("failed to close bucket") } }() fileData, err := io.ReadAll(doc.Content) if err != nil { log.Err(err).Msg("failed to read all from content") return DocumentOut{}, err } hash := md5.New() hash.Write(fileData) options := &blob.WriterOptions{ ContentType: "application/octet-stream", DisableContentTypeDetection: false, ContentMD5: hash.Sum(nil), } err = bucket.WriteAll(ctx, path, fileData, options) if err != nil { log.Err(err).Msg("failed to write all to bucket") return DocumentOut{}, err }
5-5: 💡 Codebase verification
🔒 Security Review: Connection String Handling Needs Improvement
The current implementation has several security concerns that should be addressed:
- The connection string is stored in plain text in the YAML configuration without any validation or sanitization
- No URL validation or allowlist mechanism exists for cloud provider URLs
- Error logs expose the full connection string when bucket operations fail
- No connection string rotation mechanism is implemented
Required security improvements:
- Add URL validation for the connection string before using it with
blob.OpenBucket
- Implement cloud provider URL allowlisting
- Mask sensitive parts of connection string in error logs
- Consider implementing connection string rotation via environment variables
🔗 Analysis chain
Security Considerations for Cloud Storage Implementation
While the cloud storage integration looks good, here are some security recommendations:
- Ensure the
connString
contains no sensitive credentials in logs- Consider implementing connection string rotation mechanism
- Validate cloud provider URLs against allowlist
- Consider implementing bucket name validation
Let's verify the logging implementation:
Also applies to: 7-7, 17-21, 27-29
Let me verify the logging implementation further to check for any sensitive data exposure:
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Check for potential credential logging rg -i "connString|connection.*string" -A 3 -B 3Length of output: 5330
Script:
#!/bin/bash # Check for logging related to connection strings rg -i "log.*connString|zerolog.*connString" -A 3 -B 3 # Check configuration loading rg -i "yaml.*conn_string|env.*conn_string" -A 3 -B 3 # Check if there's any URL parsing or validation rg -i "parse.*url|validate.*url|allowlist|safelist" -A 3 -B 3Length of output: 5710
backend/app/api/handlers/v1/v1_ctrl_items_attachments.go (2)
76-76:
⚠️ Potential issueEnhance File Type Security Validation
While adding support for
.avif
and.ico
formats, consider implementing additional security measures:
- Validate file content type using magic numbers
- Implement file size limits
- Scan for malware
Here's a suggested implementation:
+ func validateFileType(file multipart.File) error { + buffer := make([]byte, 512) + _, err := file.Read(buffer) + if err != nil { + return err + } + contentType := http.DetectContentType(buffer) + + allowedTypes := map[string]bool{ + "image/jpeg": true, + "image/png": true, + "image/webp": true, + "image/gif": true, + "image/bmp": true, + "image/avif": true, + "image/x-icon": true, + } + + if !allowedTypes[contentType] { + return errors.New("invalid file type") + } + + // Reset the file pointer + _, err = file.Seek(0, 0) + return err + }Committable suggestion skipped: line range outside the PR's diff.
167-189: 🛠️ Refactor suggestion
Improve Resource Management and Security Headers
The current implementation has several areas for improvement:
Resource Management:
- Consider using a single defer statement
- Add context timeout
Security Headers:
- Add Content-Security-Policy
- Set X-Content-Type-Options
- Configure Cache-Control
Here's a suggested refactor:
+ ctx, cancel := context.WithTimeout(ctx, 30*time.Second) + defer cancel() bucket, err := blob.OpenBucket(ctx, ctrl.repo.Docs.GetConnString()) if err != nil { log.Err(err).Msg("failed to open bucket") return validate.NewRequestError(err, http.StatusInternalServerError) } + defer bucket.Close() file, err := bucket.NewReader(ctx, doc.Path, nil) if err != nil { log.Err(err).Msg("failed to open file") return validate.NewRequestError(err, http.StatusInternalServerError) } + defer file.Close() + w.Header().Set("Content-Security-Policy", "default-src 'self'") + w.Header().Set("X-Content-Type-Options", "nosniff") + w.Header().Set("Cache-Control", "no-store") http.ServeContent(w, r, doc.Title, doc.CreatedAt, file)📝 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.ctx, cancel := context.WithTimeout(ctx, 30*time.Second) defer cancel() bucket, err := blob.OpenBucket(ctx, ctrl.repo.Docs.GetConnString()) if err != nil { log.Err(err).Msg("failed to open bucket") return validate.NewRequestError(err, http.StatusInternalServerError) } defer bucket.Close() file, err := bucket.NewReader(ctx, doc.Path, nil) if err != nil { log.Err(err).Msg("failed to open file") return validate.NewRequestError(err, http.StatusInternalServerError) } defer file.Close() w.Header().Set("Content-Security-Policy", "default-src 'self'") w.Header().Set("X-Content-Type-Options", "nosniff") w.Header().Set("Cache-Control", "no-store") http.ServeContent(w, r, doc.Title, doc.CreatedAt, file)
Deploying homebox-docs with Cloudflare Pages
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What type of PR is this?
What this PR does / why we need it:
Adds support for multiple storage providers, notably S3, Google Cloud, Azure Blobs, and of course local storage
Which issue(s) this PR fixes:
Fixes: #265
Summary by CodeRabbit
New Features
Bug Fixes
Chores