Files
gitea-mcp/internal/tools/pr_merge.go
T
mathiasandClaude Sonnet 5 43714047be
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fix(auth): owner allowlist trusts pass-through-authenticated callers (#59)
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>
2026-07-22 08:31:43 +02:00

77 lines
1.8 KiB
Go

package tools
import (
"context"
"encoding/json"
"fmt"
"git.d-ma.be/mathias/gitea-mcp/internal/allowlist"
"git.d-ma.be/mathias/gitea-mcp/internal/gitea"
"git.d-ma.be/mathias/gitea-mcp/internal/registry"
)
type PRMerge struct {
c *gitea.Client
a *allowlist.Allowlist
}
func NewPRMerge(c *gitea.Client, a *allowlist.Allowlist) *PRMerge {
return &PRMerge{c: c, a: a}
}
func (t *PRMerge) Descriptor() registry.ToolDescriptor {
return registry.ToolDescriptor{
Name: "pr_merge",
Description: "Merge a pull request. style: merge (default), squash, or rebase.",
InputSchema: json.RawMessage(`{
"type":"object",
"properties":{
"owner":{"type":"string"},
"repo":{"type":"string"},
"number":{"type":"integer","minimum":1},
"style":{"type":"string","enum":["merge","squash","rebase"]},
"merge_message_title":{"type":"string"},
"merge_message_field":{"type":"string"}
},
"required":["owner","repo","number"]
}`),
}
}
type prMergeArgs struct {
Owner string `json:"owner"`
Repo string `json:"repo"`
Number int `json:"number"`
Style string `json:"style"`
Title string `json:"merge_message_title"`
Body string `json:"merge_message_field"`
}
func (t *PRMerge) Call(ctx context.Context, raw json.RawMessage) (json.RawMessage, error) {
var args prMergeArgs
if err := parseArgs(raw, &args); err != nil {
return nil, err
}
if err := t.a.Check(ctx, args.Owner); err != nil {
return nil, err
}
if args.Number < 1 {
return nil, fmt.Errorf("number must be >= 1: %w", gitea.ErrValidation)
}
style := args.Style
if style == "" {
style = "merge"
}
if err := t.c.MergePullRequest(ctx, args.Owner, args.Repo, args.Number, gitea.MergePRArgs{
Do: style,
Title: args.Title,
Body: args.Body,
}); err != nil {
return nil, err
}
return textOK(map[string]any{"merged": true})
}