mathiasandClaude Sonnet 5
43714047be
Allowlist.Check now takes ctx: when the caller authenticated with their own Gitea PAT (pass-through, v0.12.0), it skips the static GITEA_MCP_ALLOWED_OWNERS check entirely — Gitea's own permission model already gates that caller's access more precisely than a coarse owner-name list can. The static list still applies unchanged for the shared static-token/JWT path, where it's the only defense against the service token's blast radius. Mechanical: every tool call site already had ctx in scope, so this is a signature-only change at 41 call sites, no other tool behavior changes. Closes the "Deferred" item from #59. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
108 lines
2.9 KiB
Go
108 lines
2.9 KiB
Go
package tools
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import (
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"context"
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"encoding/base64"
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"encoding/json"
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"fmt"
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"git.d-ma.be/mathias/gitea-mcp/internal/allowlist"
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"git.d-ma.be/mathias/gitea-mcp/internal/gitea"
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"git.d-ma.be/mathias/gitea-mcp/internal/registry"
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)
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type FileWriteBranch struct {
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c *gitea.Client
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a *allowlist.Allowlist
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}
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func NewFileWriteBranch(c *gitea.Client, a *allowlist.Allowlist) *FileWriteBranch {
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return &FileWriteBranch{c: c, a: a}
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}
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func (t *FileWriteBranch) Descriptor() registry.ToolDescriptor {
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return registry.ToolDescriptor{
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Name: "file_write_branch",
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Description: "Create or update a file on the given branch. Pass an existing branch — e.g. the default branch `main` — to commit directly to it (trunk-based); a branch that doesn't exist yet is created from `base` first (PR flow). Pair with pr_create/pr_merge for the branch→PR→merge path.",
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InputSchema: json.RawMessage(`{
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"type":"object",
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"properties":{
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"owner":{"type":"string"},
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"repo":{"type":"string"},
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"path":{"type":"string"},
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"content":{"type":"string"},
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"branch":{"type":"string"},
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"base":{"type":"string"},
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"message":{"type":"string"},
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"sha":{"type":"string"}
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},
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"required":["owner","repo","path","content","branch","message"]
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}`),
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}
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}
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type fileWriteBranchArgs struct {
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Owner string `json:"owner"`
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Repo string `json:"repo"`
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Path string `json:"path"`
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Content string `json:"content"`
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Branch string `json:"branch"`
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Base string `json:"base"`
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Message string `json:"message"`
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Sha string `json:"sha"`
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}
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func (t *FileWriteBranch) Call(ctx context.Context, raw json.RawMessage) (json.RawMessage, error) {
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var args fileWriteBranchArgs
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if err := parseArgs(raw, &args); err != nil {
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return nil, err
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}
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if err := t.a.Check(ctx, args.Owner); err != nil {
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return nil, err
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}
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if args.Branch == "" {
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return nil, fmt.Errorf("branch is required: %w", gitea.ErrValidation)
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}
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if args.Message == "" {
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return nil, fmt.Errorf("message is required: %w", gitea.ErrValidation)
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}
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// Resolve base default if branch needs to be created
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exists, err := t.c.BranchExists(ctx, args.Owner, args.Repo, args.Branch)
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if err != nil {
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return nil, err
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}
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if !exists {
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base := args.Base
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if base == "" {
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var err error
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base, err = t.c.DefaultBranch(ctx, args.Owner, args.Repo)
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if err != nil {
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return nil, err
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}
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}
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if err := t.c.CreateBranch(ctx, args.Owner, args.Repo, args.Branch, base); err != nil {
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return nil, err
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}
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}
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encoded := base64.StdEncoding.EncodeToString([]byte(args.Content))
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result, err := t.c.UpsertFile(ctx, args.Owner, args.Repo, args.Path, gitea.UpsertFileArgs{
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Branch: args.Branch,
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Content: encoded,
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Message: args.Message,
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Sha: args.Sha,
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})
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if err != nil {
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return nil, err
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}
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return textOK(map[string]any{
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"path": result.Content.Path,
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"sha": result.Content.Sha,
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"branch": args.Branch,
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"commit_sha": result.Commit.Sha,
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"html_url": result.Content.HTMLURL,
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})
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}
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