Files
gitea-mcp/internal/tools/issue_label.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

88 lines
2.5 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 IssueLabel struct {
c *gitea.Client
a *allowlist.Allowlist
}
func NewIssueLabel(c *gitea.Client, a *allowlist.Allowlist) *IssueLabel {
return &IssueLabel{c: c, a: a}
}
func (t *IssueLabel) Descriptor() registry.ToolDescriptor {
return registry.ToolDescriptor{
Name: "issue_label",
Description: "Add labels to an issue or pull request. Resolves label names to IDs via the repo's label list. Additive — existing labels are left in place.",
InputSchema: json.RawMessage(`{
"type":"object",
"properties":{
"owner":{"type":"string"},
"repo":{"type":"string"},
"number":{"type":"integer","minimum":1},
"labels":{"type":"array","items":{"type":"string"},"description":"Label names to resolve and apply. Either labels or label_ids is required."},
"label_ids":{"type":"array","items":{"type":"integer"},"description":"Label IDs to apply directly, skipping name resolution. Either labels or label_ids is required."}
},
"required":["owner","repo","number"]
}`),
}
}
type issueLabelArgs struct {
Owner string `json:"owner"`
Repo string `json:"repo"`
Number int `json:"number"`
Labels []string `json:"labels,omitempty"`
LabelIDs []int64 `json:"label_ids,omitempty"`
}
func (t *IssueLabel) Call(ctx context.Context, raw json.RawMessage) (json.RawMessage, error) {
var args issueLabelArgs
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)
}
if len(args.Labels) == 0 && len(args.LabelIDs) == 0 {
return nil, fmt.Errorf("labels is required: %w", gitea.ErrValidation)
}
ids := append([]int64{}, args.LabelIDs...)
if len(args.Labels) > 0 {
existing, err := t.c.ListLabels(ctx, args.Owner, args.Repo)
if err != nil {
return nil, err
}
byName := make(map[string]int64, len(existing))
for _, l := range existing {
byName[l.Name] = l.ID
}
for _, name := range args.Labels {
id, ok := byName[name]
if !ok {
return nil, fmt.Errorf("label %q not found in %s/%s: %w", name, args.Owner, args.Repo, gitea.ErrValidation)
}
ids = append(ids, id)
}
}
labels, err := t.c.AddIssueLabels(ctx, args.Owner, args.Repo, args.Number, ids)
if err != nil {
return nil, err
}
return textOK(labels)
}