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feat: implement Dependabot security update tools#180

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238 changes: 238 additions & 0 deletionspkg/github/security.go
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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,238 @@
package github

import (
"context"
"encoding/json"
"fmt"

"github.com/github/github-mcp-server/pkg/translations"
"github.com/google/go-github/v69/github"
"github.com/mark3labs/mcp-go/mcp"
"github.com/mark3labs/mcp-go/server"
)

// SecurityAndAnalysis represents the security and analysis settings for a repository
type SecurityAndAnalysis struct {
AdvancedSecurity struct {
Status string `json:"status"`
} `json:"advanced_security"`
SecretScanning struct {
Status string `json:"status"`
} `json:"secret_scanning"`
SecretScanningPushProtection struct {
Status string `json:"status"`
} `json:"secret_scanning_push_protection"`
}

// GetSecuritySettings retrieves security settings for a repository
func GetSecuritySettings(client *github.Client, t translations.TranslationHelperFunc) (tool mcp.Tool, handler server.ToolHandlerFunc) {
return mcp.NewTool("get_security_settings",
mcp.WithDescription(t("TOOL_GET_SECURITY_SETTINGS_DESCRIPTION", "Get security settings for a repository")),
mcp.WithString("owner",
mcp.Required(),
mcp.Description(t("PARAM_OWNER_DESCRIPTION", "Repository owner")),
),
mcp.WithString("repo",
mcp.Required(),
mcp.Description(t("PARAM_REPO_DESCRIPTION", "Repository name")),
),
), func(ctx context.Context, request mcp.CallToolRequest) (*mcp.CallToolResult, error) {
owner, ok := request.Params.Arguments["owner"].(string)
if !ok {
return nil, fmt.Errorf("missing required parameter: owner")
}

repo, ok := request.Params.Arguments["repo"].(string)
if !ok {
return nil, fmt.Errorf("missing required parameter: repo")
}

repository, _, err := client.Repositories.Get(ctx, owner, repo)
if err != nil {
return nil, fmt.Errorf("failed to get repository settings: %w", err)
}

response, err := json.Marshal(repository.SecurityAndAnalysis)
if err != nil {
return nil, fmt.Errorf("failed to marshal response: %w", err)
}

return mcp.NewToolResultText(string(response)), nil
}
}

// UpdateSecuritySettings updates security settings for a repository
func UpdateSecuritySettings(client *github.Client, t translations.TranslationHelperFunc) (tool mcp.Tool, handler server.ToolHandlerFunc) {
return mcp.NewTool("update_security_settings",
mcp.WithDescription(t("TOOL_UPDATE_SECURITY_SETTINGS_DESCRIPTION", "Update security settings for a repository")),
mcp.WithString("owner",
mcp.Required(),
mcp.Description(t("PARAM_OWNER_DESCRIPTION", "Repository owner")),
),
mcp.WithString("repo",
mcp.Required(),
mcp.Description(t("PARAM_REPO_DESCRIPTION", "Repository name")),
),
mcp.WithObject("settings",
mcp.Required(),
mcp.Description(t("PARAM_SETTINGS_DESCRIPTION", "Security settings to update")),
),
), func(ctx context.Context, request mcp.CallToolRequest) (*mcp.CallToolResult, error) {
owner, ok := request.Params.Arguments["owner"].(string)
if !ok {
return nil, fmt.Errorf("missing required parameter: owner")
}

repo, ok := request.Params.Arguments["repo"].(string)
if !ok {
return nil, fmt.Errorf("missing required parameter: repo")
}

settings, ok := request.Params.Arguments["settings"].(map[string]interface{})
if !ok {
return nil, fmt.Errorf("missing required parameter: settings")
}

// Get current repository settings
repository, _, err := client.Repositories.Get(ctx, owner, repo)
if err != nil {
return nil, fmt.Errorf("failed to get repository settings: %w", err)
}

// Initialize security settings if nil
if repository.SecurityAndAnalysis == nil {
repository.SecurityAndAnalysis = &github.SecurityAndAnalysis{}
}

// Update vulnerability alerts if specified
if vulnerabilityAlerts, ok := settings["vulnerability_alerts"].(bool); ok {
if repository.SecurityAndAnalysis.AdvancedSecurity == nil {
repository.SecurityAndAnalysis.AdvancedSecurity = &github.AdvancedSecurity{}
}
if vulnerabilityAlerts {
repository.SecurityAndAnalysis.AdvancedSecurity.Status = github.Ptr("enabled")
} else {
repository.SecurityAndAnalysis.AdvancedSecurity.Status = github.Ptr("disabled")
}
}

// Update other security settings
settingsJSON, err := json.Marshal(settings)
if err != nil {
return nil, fmt.Errorf("failed to marshal settings: %w", err)
}

var securitySettings github.SecurityAndAnalysis
if err := json.Unmarshal(settingsJSON, &securitySettings); err != nil {
return nil, fmt.Errorf("failed to unmarshal settings: %w", err)
}

// Merge the new settings with existing ones
if securitySettings.AdvancedSecurity != nil {
if repository.SecurityAndAnalysis.AdvancedSecurity == nil || repository.SecurityAndAnalysis.AdvancedSecurity.Status == "" {
repository.SecurityAndAnalysis.AdvancedSecurity = securitySettings.AdvancedSecurity
}
}
if securitySettings.SecretScanning != nil {
repository.SecurityAndAnalysis.SecretScanning = securitySettings.SecretScanning
}
if securitySettings.SecretScanningPushProtection != nil {
repository.SecurityAndAnalysis.SecretScanningPushProtection = securitySettings.SecretScanningPushProtection
}

// Update the repository
updatedRepo, _, err := client.Repositories.Edit(ctx, owner, repo, &github.Repository{
SecurityAndAnalysis: repository.SecurityAndAnalysis,
})
if err != nil {
return nil, fmt.Errorf("failed to update repository settings: %w", err)
}

// Return complete security settings
response, err := json.Marshal(updatedRepo.SecurityAndAnalysis)
if err != nil {
return nil, fmt.Errorf("failed to marshal response: %w", err)
}

return mcp.NewToolResultText(string(response)), nil
}
}

// GetDependabotSecurityUpdatesStatus checks if Dependabot security updates are enabled
func GetDependabotSecurityUpdatesStatus(client *github.Client, t translations.TranslationHelperFunc) (tool mcp.Tool, handler server.ToolHandlerFunc) {
return mcp.NewTool("get_dependabot_security_updates_status",
mcp.WithDescription(t("TOOL_GET_DEPENDABOT_SECURITY_UPDATES_STATUS_DESCRIPTION", "Check if Dependabot security updates are enabled for a repository")),
mcp.WithString("owner",
mcp.Required(),
mcp.Description(t("PARAM_OWNER_DESCRIPTION", "Repository owner")),
),
mcp.WithString("repo",
mcp.Required(),
mcp.Description(t("PARAM_REPO_DESCRIPTION", "Repository name")),
),
), func(ctx context.Context, request mcp.CallToolRequest) (*mcp.CallToolResult, error) {
owner, ok := request.Params.Arguments["owner"].(string)
if !ok {
return nil, fmt.Errorf("missing required parameter: owner")
}

repo, ok := request.Params.Arguments["repo"].(string)
if !ok {
return nil, fmt.Errorf("missing required parameter: repo")
}

status, _, err := client.Repositories.GetAutomatedSecurityFixes(ctx, owner, repo)
if err != nil {
return nil, fmt.Errorf("failed to get Dependabot security updates status: %w", err)
}

response, err := json.Marshal(status)
if err != nil {
return nil, fmt.Errorf("failed to marshal response: %w", err)
}

return mcp.NewToolResultText(string(response)), nil
}
}

// EnableDependabotSecurityUpdates and DisableDependabotSecurityUpdates are currently disabled.
// Issue: There is a discrepancy in GitHub's API behavior regarding Dependabot security updates:
// 1. Public repositories should have Dependabot alerts enabled by default
// 2. However, the API still requires explicit enabling of vulnerability alerts
// 3. This creates a confusing user experience where the system says one thing but behaves differently
// 4. The functionality needs to be investigated and fixed before being re-enabled
// See: https://github.com/github/github-mcp-server/issues/176

// EnableDependabotSecurityUpdates enables Dependabot security updates for a repository
// func EnableDependabotSecurityUpdates(client *github.Client, t translations.TranslationHelperFunc) (mcp.Tool, server.ToolHandlerFunc) {
// return mcp.NewTool("enable_dependabot_security_updates",
// mcp.WithDescription(t("TOOL_ENABLE_DEPENDABOT_SECURITY_UPDATES_DESCRIPTION", "Enable Dependabot security updates for a repository")),
// mcp.WithString("owner",
// mcp.Required(),
// mcp.Description(t("PARAM_OWNER_DESCRIPTION", "Repository owner")),
// ),
// mcp.WithString("repo",
// mcp.Required(),
// mcp.Description(t("PARAM_REPO_DESCRIPTION", "Repository name")),
// ),
// ), func(ctx context.Context, request mcp.CallToolRequest) (*mcp.CallToolResult, error) {
// return nil, fmt.Errorf("this functionality is currently disabled due to GitHub API behavior discrepancy")
// }
// }

// DisableDependabotSecurityUpdates disables Dependabot security updates for a repository
// func DisableDependabotSecurityUpdates(client *github.Client, t translations.TranslationHelperFunc) (mcp.Tool, server.ToolHandlerFunc) {
// return mcp.NewTool("disable_dependabot_security_updates",
// mcp.WithDescription(t("TOOL_DISABLE_DEPENDABOT_SECURITY_UPDATES_DESCRIPTION", "Disable Dependabot security updates for a repository")),
// mcp.WithString("owner",
// mcp.Required(),
// mcp.Description(t("PARAM_OWNER_DESCRIPTION", "Repository owner")),
// ),
// mcp.WithString("repo",
// mcp.Required(),
// mcp.Description(t("PARAM_REPO_DESCRIPTION", "Repository name")),
// ),
// ), func(ctx context.Context, request mcp.CallToolRequest) (*mcp.CallToolResult, error) {
// return nil, fmt.Errorf("this functionality is currently disabled due to GitHub API behavior discrepancy")
// }
// }
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