|
| 1 | +package github |
| 2 | + |
| 3 | +import ( |
| 4 | + "context" |
| 5 | + "encoding/json" |
| 6 | + "fmt" |
| 7 | + "io" |
| 8 | + "net/http" |
| 9 | + |
| 10 | + "github.com/github/github-mcp-server/pkg/translations" |
| 11 | + "github.com/google/go-github/v74/github" |
| 12 | + "github.com/mark3labs/mcp-go/mcp" |
| 13 | + "github.com/mark3labs/mcp-go/server" |
| 14 | +) |
| 15 | + |
| 16 | +func ListGlobalSecurityAdvisories(getClient GetClientFn, t translations.TranslationHelperFunc) (tool mcp.Tool, handler server.ToolHandlerFunc) { |
| 17 | + return mcp.NewTool("list_global_security_advisories", |
| 18 | + mcp.WithDescription(t("TOOL_LIST_GLOBAL_SECURITY_ADVISORIES_DESCRIPTION", "List global security advisories from GitHub.")), |
| 19 | + mcp.WithToolAnnotation(mcp.ToolAnnotation{ |
| 20 | + Title: t("TOOL_LIST_GLOBAL_SECURITY_ADVISORIES_USER_TITLE", "List global security advisories"), |
| 21 | + ReadOnlyHint: ToBoolPtr(true), |
| 22 | + }), |
| 23 | + mcp.WithString("ghsaId", |
| 24 | + mcp.Description("Filter by GitHub Security Advisory ID (format: GHSA-xxxx-xxxx-xxxx)."), |
| 25 | + ), |
| 26 | + mcp.WithString("type", |
| 27 | + mcp.Description("Advisory type."), |
| 28 | + mcp.Enum("reviewed", "malware", "unreviewed"), |
| 29 | + mcp.DefaultString("reviewed"), |
| 30 | + ), |
| 31 | + mcp.WithString("cveId", |
| 32 | + mcp.Description("Filter by CVE ID."), |
| 33 | + ), |
| 34 | + mcp.WithString("ecosystem", |
| 35 | + mcp.Description("Filter by package ecosystem."), |
| 36 | + mcp.Enum("actions", "composer", "erlang", "go", "maven", "npm", "nuget", "other", "pip", "pub", "rubygems", "rust"), |
| 37 | + ), |
| 38 | + mcp.WithString("severity", |
| 39 | + mcp.Description("Filter by severity."), |
| 40 | + mcp.Enum("unknown", "low", "medium", "high", "critical"), |
| 41 | + ), |
| 42 | + mcp.WithArray("cwes", |
| 43 | + mcp.Description("Filter by Common Weakness Enumeration IDs (e.g. [\"79\", \"284\", \"22\"])."), |
| 44 | + mcp.Items(map[string]any{ |
| 45 | + "type": "string", |
| 46 | + }), |
| 47 | + ), |
| 48 | + mcp.WithBoolean("isWithdrawn", |
| 49 | + mcp.Description("Whether to only return withdrawn advisories."), |
| 50 | + ), |
| 51 | + mcp.WithString("affects", |
| 52 | + mcp.Description("Filter advisories by affected package or version (e.g. \"package1,package2@1.0.0\")."), |
| 53 | + ), |
| 54 | + mcp.WithString("published", |
| 55 | + mcp.Description("Filter by publish date or date range (ISO 8601 date or range)."), |
| 56 | + ), |
| 57 | + mcp.WithString("updated", |
| 58 | + mcp.Description("Filter by update date or date range (ISO 8601 date or range)."), |
| 59 | + ), |
| 60 | + mcp.WithString("modified", |
| 61 | + mcp.Description("Filter by publish or update date or date range (ISO 8601 date or range)."), |
| 62 | + ), |
| 63 | + ), func(ctx context.Context, request mcp.CallToolRequest) (*mcp.CallToolResult, error) { |
| 64 | + client, err := getClient(ctx) |
| 65 | + if err != nil { |
| 66 | + return nil, fmt.Errorf("failed to get GitHub client: %w", err) |
| 67 | + } |
| 68 | + |
| 69 | + ghsaID, err := OptionalParam[string](request, "ghsaId") |
| 70 | + if err != nil { |
| 71 | + return mcp.NewToolResultError(fmt.Sprintf("invalid ghsaId: %v", err)), nil |
| 72 | + } |
| 73 | + |
| 74 | + typ, err := OptionalParam[string](request, "type") |
| 75 | + if err != nil { |
| 76 | + return mcp.NewToolResultError(fmt.Sprintf("invalid type: %v", err)), nil |
| 77 | + } |
| 78 | + |
| 79 | + cveID, err := OptionalParam[string](request, "cveId") |
| 80 | + if err != nil { |
| 81 | + return mcp.NewToolResultError(fmt.Sprintf("invalid cveId: %v", err)), nil |
| 82 | + } |
| 83 | + |
| 84 | + eco, err := OptionalParam[string](request, "ecosystem") |
| 85 | + if err != nil { |
| 86 | + return mcp.NewToolResultError(fmt.Sprintf("invalid ecosystem: %v", err)), nil |
| 87 | + } |
| 88 | + |
| 89 | + sev, err := OptionalParam[string](request, "severity") |
| 90 | + if err != nil { |
| 91 | + return mcp.NewToolResultError(fmt.Sprintf("invalid severity: %v", err)), nil |
| 92 | + } |
| 93 | + |
| 94 | + cwes, err := OptionalParam[[]string](request, "cwes") |
| 95 | + if err != nil { |
| 96 | + return mcp.NewToolResultError(fmt.Sprintf("invalid cwes: %v", err)), nil |
| 97 | + } |
| 98 | + |
| 99 | + isWithdrawn, err := OptionalParam[bool](request, "isWithdrawn") |
| 100 | + if err != nil { |
| 101 | + return mcp.NewToolResultError(fmt.Sprintf("invalid isWithdrawn: %v", err)), nil |
| 102 | + } |
| 103 | + |
| 104 | + affects, err := OptionalParam[string](request, "affects") |
| 105 | + if err != nil { |
| 106 | + return mcp.NewToolResultError(fmt.Sprintf("invalid affects: %v", err)), nil |
| 107 | + } |
| 108 | + |
| 109 | + published, err := OptionalParam[string](request, "published") |
| 110 | + if err != nil { |
| 111 | + return mcp.NewToolResultError(fmt.Sprintf("invalid published: %v", err)), nil |
| 112 | + } |
| 113 | + |
| 114 | + updated, err := OptionalParam[string](request, "updated") |
| 115 | + if err != nil { |
| 116 | + return mcp.NewToolResultError(fmt.Sprintf("invalid updated: %v", err)), nil |
| 117 | + } |
| 118 | + |
| 119 | + modified, err := OptionalParam[string](request, "modified") |
| 120 | + if err != nil { |
| 121 | + return mcp.NewToolResultError(fmt.Sprintf("invalid modified: %v", err)), nil |
| 122 | + } |
| 123 | + |
| 124 | + opts := &github.ListGlobalSecurityAdvisoriesOptions{} |
| 125 | + |
| 126 | + if ghsaID != "" { |
| 127 | + opts.GHSAID = &ghsaID |
| 128 | + } |
| 129 | + if typ != "" { |
| 130 | + opts.Type = &typ |
| 131 | + } |
| 132 | + if cveID != "" { |
| 133 | + opts.CVEID = &cveID |
| 134 | + } |
| 135 | + if eco != "" { |
| 136 | + opts.Ecosystem = &eco |
| 137 | + } |
| 138 | + if sev != "" { |
| 139 | + opts.Severity = &sev |
| 140 | + } |
| 141 | + if len(cwes) > 0 { |
| 142 | + opts.CWEs = cwes |
| 143 | + } |
| 144 | + |
| 145 | + if isWithdrawn { |
| 146 | + opts.IsWithdrawn = &isWithdrawn |
| 147 | + } |
| 148 | + |
| 149 | + if affects != "" { |
| 150 | + opts.Affects = &affects |
| 151 | + } |
| 152 | + if published != "" { |
| 153 | + opts.Published = &published |
| 154 | + } |
| 155 | + if updated != "" { |
| 156 | + opts.Updated = &updated |
| 157 | + } |
| 158 | + if modified != "" { |
| 159 | + opts.Modified = &modified |
| 160 | + } |
| 161 | + |
| 162 | + advisories, resp, err := client.SecurityAdvisories.ListGlobalSecurityAdvisories(ctx, opts) |
| 163 | + if err != nil { |
| 164 | + return nil, fmt.Errorf("failed to list global security advisories: %w", err) |
| 165 | + } |
| 166 | + defer func() { _ = resp.Body.Close() }() |
| 167 | + |
| 168 | + if resp.StatusCode != http.StatusOK { |
| 169 | + body, err := io.ReadAll(resp.Body) |
| 170 | + if err != nil { |
| 171 | + return nil, fmt.Errorf("failed to read response body: %w", err) |
| 172 | + } |
| 173 | + return mcp.NewToolResultError(fmt.Sprintf("failed to list advisories: %s", string(body))), nil |
| 174 | + } |
| 175 | + |
| 176 | + r, err := json.Marshal(advisories) |
| 177 | + if err != nil { |
| 178 | + return nil, fmt.Errorf("failed to marshal advisories: %w", err) |
| 179 | + } |
| 180 | + |
| 181 | + return mcp.NewToolResultText(string(r)), nil |
| 182 | + } |
| 183 | +} |
| 184 | + |
| 185 | +func GetGlobalSecurityAdvisory(getClient GetClientFn, t translations.TranslationHelperFunc) (tool mcp.Tool, handler server.ToolHandlerFunc) { |
| 186 | + return mcp.NewTool("get_global_security_advisory", |
| 187 | + mcp.WithDescription(t("TOOL_GET_GLOBAL_SECURITY_ADVISORY_DESCRIPTION", "Get a global security advisory")), |
| 188 | + mcp.WithToolAnnotation(mcp.ToolAnnotation{ |
| 189 | + Title: t("TOOL_GET_GLOBAL_SECURITY_ADVISORY_USER_TITLE", "Get a global security advisory"), |
| 190 | + ReadOnlyHint: ToBoolPtr(true), |
| 191 | + }), |
| 192 | + mcp.WithString("ghsaId", |
| 193 | + mcp.Description("GitHub Security Advisory ID (format: GHSA-xxxx-xxxx-xxxx)."), |
| 194 | + mcp.Required(), |
| 195 | + ), |
| 196 | + ), func(ctx context.Context, request mcp.CallToolRequest) (*mcp.CallToolResult, error) { |
| 197 | + client, err := getClient(ctx) |
| 198 | + if err != nil { |
| 199 | + return nil, fmt.Errorf("failed to get GitHub client: %w", err) |
| 200 | + } |
| 201 | + |
| 202 | + ghsaID, err := RequiredParam[string](request, "ghsaId") |
| 203 | + if err != nil { |
| 204 | + return mcp.NewToolResultError(fmt.Sprintf("invalid ghsaId: %v", err)), nil |
| 205 | + } |
| 206 | + |
| 207 | + advisory, resp, err := client.SecurityAdvisories.GetGlobalSecurityAdvisories(ctx, ghsaID) |
| 208 | + if err != nil { |
| 209 | + return nil, fmt.Errorf("failed to get advisory: %w", err) |
| 210 | + } |
| 211 | + defer func() { _ = resp.Body.Close() }() |
| 212 | + |
| 213 | + if resp.StatusCode != http.StatusOK { |
| 214 | + body, err := io.ReadAll(resp.Body) |
| 215 | + if err != nil { |
| 216 | + return nil, fmt.Errorf("failed to read response body: %w", err) |
| 217 | + } |
| 218 | + return mcp.NewToolResultError(fmt.Sprintf("failed to get advisory: %s", string(body))), nil |
| 219 | + } |
| 220 | + |
| 221 | + r, err := json.Marshal(advisory) |
| 222 | + if err != nil { |
| 223 | + return nil, fmt.Errorf("failed to marshal advisory: %w", err) |
| 224 | + } |
| 225 | + |
| 226 | + return mcp.NewToolResultText(string(r)), nil |
| 227 | + } |
| 228 | +} |
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