From bb55ffa75d44b93aab9db806edfb5c6cf1360828 Mon Sep 17 00:00:00 2001
From: whaffman <whaffman@student.codam.nl>
Date: Tue, 11 Nov 2025 19:06:34 +0100
Subject: [PATCH] statuscode rule

---
 webserv/config/validation/ConfigValidator.cpp |  4 +++
 .../directive_rules/StatusCodeRule.cpp        | 35 +++++++++++++++++++
 .../directive_rules/StatusCodeRule.hpp        | 14 ++++++++
 3 files changed, 53 insertions(+)
 create mode 100644 webserv/config/validation/directive_rules/StatusCodeRule.cpp
 create mode 100644 webserv/config/validation/directive_rules/StatusCodeRule.hpp

diff --git a/webserv/config/validation/ConfigValidator.cpp b/webserv/config/validation/ConfigValidator.cpp
index 36af0a2..0e18839 100644
--- a/webserv/config/validation/ConfigValidator.cpp
+++ b/webserv/config/validation/ConfigValidator.cpp
@@ -1,3 +1,5 @@
+#include "webserv/config/validation/directive_rules/StatusCodeRule.hpp"
+
 #include <webserv/config/validation/ConfigValidator.hpp>
 #include <webserv/config/validation/ValidationEngine.hpp>                            // for ValidationEngine
 #include <webserv/config/validation/directive_rules/AValidationRule.hpp>             // for AValidationRule
@@ -31,6 +33,7 @@ ConfigValidator::ConfigValidator(const GlobalConfig *config) : engine_(std::make
     engine_->addStructuralRule(std::make_unique<SingleDefaultServerPerPortRule>());
 
     /*Global Directive Rules*/
+    engine_->addServerRule("error_page", std::make_unique<StatusCodeRule>(false));
 
     /*Server Directive Rules*/
     engine_->addServerRule("listen", std::make_unique<PortValidationRule>());
@@ -41,6 +44,7 @@ ConfigValidator::ConfigValidator(const GlobalConfig *config) : engine_(std::make
     /*Location Directive Rules*/
     engine_->addLocationRule("allowed_methods", std::make_unique<AllowedValuesRule>(
                                                     std::vector<std::string>{"GET", "POST", "DELETE", "PUT"}, false));
+    engine_->addLocationRule("error_page", std::make_unique<StatusCodeRule>(false));
     // Folder existence validation disabled - paths are relative to server runtime directory
     // engine_->addLocationRule("root", std::make_unique<FolderExistsRule>(true));
     engine_->addLocationRule("cgi_handler", std::make_unique<CgiExtValidationRule>(false));
diff --git a/webserv/config/validation/directive_rules/StatusCodeRule.cpp b/webserv/config/validation/directive_rules/StatusCodeRule.cpp
new file mode 100644
index 0000000..7d6044b
--- /dev/null
+++ b/webserv/config/validation/directive_rules/StatusCodeRule.cpp
@@ -0,0 +1,35 @@
+#include <webserv/config/validation/directive_rules/StatusCodeRule.hpp>
+
+#include <webserv/config/AConfig.hpp>                                    // for AConfig
+#include <webserv/config/directive/ADirective.hpp>                       // for ADirective
+#include <webserv/config/directive/DirectiveValue.hpp>                   // for DirectiveValue
+#include <webserv/config/validation/ValidationResult.hpp>                // for ValidationResult
+#include <webserv/config/validation/directive_rules/AValidationRule.hpp> // for AValidationRule
+#include <webserv/utils/FileUtils.hpp> // for isFile
+
+#include <string>
+#include <utility>
+
+StatusCodeRule::StatusCodeRule(bool requiresValue)
+    : AValidationRule("CgiExt", "Ensure CGI extension is valid", requiresValue)
+{
+}
+
+ValidationResult StatusCodeRule::validateValue(const AConfig *config, const std::string &directiveName) const
+{
+    const ADirective *directive = config->getDirective(directiveName);
+    if (!directive->getValue().holds<std::pair<int, std::string>>())
+    {
+        return ValidationResult::error("Directive '" + directive->getName() + "' does not hold a int-string pair value");
+    }
+
+    auto value = directive->getValue().get<std::pair<int, std::string>>();
+    int statusCode = value.first;
+    if (statusCode < 100 || statusCode > 599)
+    {
+        return ValidationResult::error("Directive '" + directive->getName() + "' has invalid status code: " +
+                                       std::to_string(statusCode));
+    }
+
+    return ValidationResult::success();
+}
\ No newline at end of file
diff --git a/webserv/config/validation/directive_rules/StatusCodeRule.hpp b/webserv/config/validation/directive_rules/StatusCodeRule.hpp
new file mode 100644
index 0000000..57b92fb
--- /dev/null
+++ b/webserv/config/validation/directive_rules/StatusCodeRule.hpp
@@ -0,0 +1,14 @@
+#pragma once
+
+#include <webserv/config/validation/ValidationResult.hpp>                // for ValidationResult
+#include <webserv/config/validation/directive_rules/AValidationRule.hpp> // for AValidationRule
+
+#include <string> // for string
+
+class StatusCodeRule : public AValidationRule
+{
+  public:
+    StatusCodeRule(bool requiresValue);
+
+    ValidationResult validateValue(const AConfig *config, const std::string &directiveName) const override;
+};
\ No newline at end of file