Regal showcase #30
Regal showcase #30
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WalkthroughThree new files are introduced: a CodeRabbit configuration file specifying path filters for reviews, a Rego policy module with multiple rules including default deny and token checks, and a Regal configuration file defining formatting and linting rules for Rego code. No changes were made to exported or public entities outside the new Rego module. Changes
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Impact AnalysisIntroduction of new authorization policy logic in Rego📢 Medium 🔄 Impacts behavior A new Rego policy module named Test authorization scenarios for both allowed and denied users, including edge cases such as admin and non-admin users. Validate that the policy behaves as expected and does not inadvertently grant or deny access due to logic errors. 🔍 Related Files
Enforcement of stricter linting and formatting for policy and configuration filesℹ️ Low 🔄 Impacts behavior New configuration files enforce formatting and linting standards for Verify that files with violations are correctly flagged and that compliant files pass without errors. Test integration with CI pipelines to ensure that linting failures are reported as expected. 🔍 Related Files
📜 Recent review detailsConfiguration used: .coderabbit.yml 📒 Files selected for processing (3)
🧰 Additional context used🪛 Regal (0.35.1)broken.rego[error] 24-24: Constant condition (bugs) [error] 23-23: Non-boolean return value unassigned (bugs) [error] 1-1: Directory structure should mirror package (idiomatic) [error] 1-1: Use (imports) [error] 15-15: Non-loop expression (performance) [error] 16-16: Non-loop expression (performance) 🔇 Additional comments (2)
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@coderabbitai full review |
✅ Actions performedFull review triggered. |
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Actionable comments posted: 9
🧹 Nitpick comments (1)
broken.rego (1)
1-41: File appears to be intentionally broken - clarify intent.Given the filename "broken.rego" and numerous policy issues, this might be a test file to verify Regal linting. If this is intended as a real policy file, it needs significant fixes.
Would you like me to generate a corrected version of this policy or create test cases for your Regal configuration?
📜 Review details
Configuration used: .coderabbit.yml
Review profile: CHILL
Plan: Pro
📒 Files selected for processing (3)
.coderabbit.yml(1 hunks)broken.rego(1 hunks)regal_config.yaml(1 hunks)
🧰 Additional context used
🪛 Regal (0.35.1)
broken.rego
[error] 24-24: Constant condition
(bugs)
[error] 23-23: Non-boolean return value unassigned
(bugs)
[error] 1-1: Directory structure should mirror package
(idiomatic)
[error] 1-1: Use import rego.v1
(imports)
[error] 15-15: Non-loop expression
(performance)
[error] 16-16: Non-loop expression
(performance)
🔇 Additional comments (2)
.coderabbit.yml (1)
1-2: Verify the restrictive path filters.The configuration limits reviews to only YAML and Rego files. This might exclude important file types from review depending on your project's needs.
Consider whether you want to include additional file patterns or remove the restriction entirely to review all file types.
regal_config.yaml (1)
1-16: LGTM!The Regal configuration is well-structured with appropriate formatting settings and linting rules that will help maintain code quality in Rego files.
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| default allow = false | ||
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| ALLOW := true |
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Remove unused constant ALLOW.
This constant is defined but never referenced in the policy.
🤖 Prompt for AI Agents
In broken.rego at line 5, the constant ALLOW is defined but never used in the
policy. Remove the line defining ALLOW to clean up unused code and avoid
confusion.
| foo { | ||
| bar := [1, 2, 3] | ||
| bar = bar | ||
| } |
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Remove or fix meaningless foo rule.
The rule assigns a value and then checks if it equals itself, which is always true and serves no purpose.
Either remove this rule or implement meaningful logic.
🤖 Prompt for AI Agents
In broken.rego around lines 32 to 35, the foo rule assigns a list to bar and
then compares bar to itself, which is always true and redundant. Remove this
rule entirely if it is not needed, or replace it with meaningful logic that
performs a useful check or computation relevant to your policy.
| unused1 := "test" | ||
| unused2 := input.fake.value |
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Remove unused variables.
Variables unused1 and unused2 are declared but never used, violating the no-unused-vars rule.
🤖 Prompt for AI Agents
In broken.rego around lines 10 to 11, remove the declarations of the unused
variables `unused1` and `unused2` since they are not used anywhere in the code
and violate the no-unused-vars rule.
| @@ -0,0 +1,41 @@ | |||
| package authz | |||
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🛠️ Refactor suggestion
Add import rego.v1 for modern Rego compatibility.
Modern Rego policies should include the v1 import for better compatibility and to enable v1 features.
Add this after the package declaration:
package authz
+
+import rego.v1📝 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.
| package authz | |
| package authz | |
| import rego.v1 |
🧰 Tools
🪛 Regal (0.35.1)
[error] 1-1: Directory structure should mirror package
(idiomatic)
[error] 1-1: Use import rego.v1
(imports)
🤖 Prompt for AI Agents
In broken.rego at line 1, the policy is missing the import statement for
rego.v1, which is required for modern Rego compatibility and to enable v1
features. Add the line 'import rego.v1' immediately after the package
declaration to fix this.
| x := 1 | ||
| x := 2 |
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Fix duplicate assignment to variable x.
Variable x is assigned two different values, which will cause a compilation error in Rego.
Remove one of the assignments or use different variable names:
-x := 1
-x := 2
+x1 := 1
+x2 := 2📝 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.
| x := 1 | |
| x := 2 | |
| x1 := 1 | |
| x2 := 2 |
🤖 Prompt for AI Agents
In broken.rego at lines 7 to 8, the variable x is assigned twice, which causes a
compilation error. Fix this by removing one of the assignments or renaming one
of the variables to avoid duplicate assignment.
| result := { | ||
| "status": 200, | ||
| "message": msg | ||
| } |
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Fix undefined variable msg in result object.
The msg variable is not defined in this scope.
Either define msg or remove this object if it's not needed:
result := {
"status": 200,
- "message": msg
+ "message": "OK"
}📝 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.
| result := { | |
| "status": 200, | |
| "message": msg | |
| } | |
| result := { | |
| "status": 200, | |
| "message": "OK" | |
| } |
🤖 Prompt for AI Agents
In broken.rego around lines 27 to 30, the variable `msg` used in the result
object is undefined in this scope. To fix this, either define the `msg` variable
with an appropriate value before using it in the result object or remove the
`message` field from the result object if it is not necessary.
| token_check { | ||
| x := split("abc.def.ghi", ".") | ||
| x[1] == "def" | ||
| } |
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🛠️ Refactor suggestion
Consider using input data instead of hardcoded string.
The token check uses a hardcoded string which isn't practical for real token validation.
Consider using input data:
token_check {
- x := split("abc.def.ghi", ".")
+ x := split(input.token, ".")
x[1] == "def"
}📝 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.
| token_check { | |
| x := split("abc.def.ghi", ".") | |
| x[1] == "def" | |
| } | |
| token_check { | |
| x := split(input.token, ".") | |
| x[1] == "def" | |
| } |
🤖 Prompt for AI Agents
In broken.rego around lines 37 to 40, the token_check rule uses a hardcoded
string "abc.def.ghi" for splitting and checking, which is not practical for real
token validation. Replace the hardcoded string with a dynamic value from the
input data, such as input.token, to make the rule validate tokens based on
actual input rather than a fixed string.
| allow { | ||
| x == "user" | ||
| x := "user" | ||
| count(x) | ||
| true | ||
| } |
There was a problem hiding this comment.
Fix logical errors in allow rule.
The rule has several issues:
- Checks
x == "user"before assigning it count(x)on a string returns its length but the result is unused- Constant
truecondition is redundant
Consider this corrected logic:
allow {
- x == "user"
- x := "user"
- count(x)
- true
+ input.user == "user"
}📝 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.
| allow { | |
| x == "user" | |
| x := "user" | |
| count(x) | |
| true | |
| } | |
| allow { | |
| input.user == "user" | |
| } |
🧰 Tools
🪛 Regal (0.35.1)
[error] 24-24: Constant condition
(bugs)
[error] 23-23: Non-boolean return value unassigned
(bugs)
🤖 Prompt for AI Agents
In broken.rego around lines 20 to 25, the allow rule has logical errors: it
compares x to "user" before assigning x, uses count(x) on a string without using
the result, and includes a redundant true condition. Fix this by first assigning
x to "user", removing the count(x) call since its result is unused, and
eliminating the constant true condition to simplify the rule logic.
| deny[msg] { | ||
| some x | ||
| input.user == "admin" | ||
| input.user == "admin" | ||
| msg := "Access granted" | ||
| } |
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Fix contradictory logic in deny rule.
The deny rule returns "Access granted" which is semantically incorrect. Also, it has redundant conditions and an unused variable declaration.
Apply this fix:
deny[msg] {
- some x
- input.user == "admin"
input.user == "admin"
- msg := "Access granted"
+ msg := "Access denied: admin access restricted"
}📝 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.
| deny[msg] { | |
| some x | |
| input.user == "admin" | |
| input.user == "admin" | |
| msg := "Access granted" | |
| } | |
| deny[msg] { | |
| input.user == "admin" | |
| msg := "Access denied: admin access restricted" | |
| } |
🧰 Tools
🪛 Regal (0.35.1)
[error] 15-15: Non-loop expression
(performance)
[error] 16-16: Non-loop expression
(performance)
🤖 Prompt for AI Agents
In broken.rego around lines 13 to 18, the deny rule incorrectly returns "Access
granted" and contains redundant conditions checking input.user == "admin" twice,
as well as an unused variable x. Remove the duplicate condition and the unused
variable, and change the message to reflect denial of access appropriately, such
as "Access denied".
Summary by CodeRabbit
New Features
Chores