1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
// Copyright 2026 syzkaller project authors. All rights reserved.
// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
// Package gerrit provides gerrit client for:
// https://linux.googlesource.com/Documentation/#gerrit-code-reviews-for-the-linux-kernel
// For documentation on the API see:
// https://gerrit-review.googlesource.com/Documentation/rest-api-changes.html
package gerrit
import (
"bytes"
"context"
"encoding/json"
"fmt"
"io"
"net/http"
"golang.org/x/oauth2"
"golang.org/x/oauth2/google"
)
const host = "https://linux-review.googlesource.com"
func CreateChange(ctx context.Context, repo, branch, baseCommit, description, diff string) (
changeID int, link string, err error) {
project, err := projectForRepo(repo)
if err != nil {
return 0, "", err
}
req := map[string]any{
"project": project,
"branch": branch,
"subject": description,
"base_commit": baseCommit,
"patch": map[string]any{
"patch": diff,
},
}
resp := new(struct {
Number int `json:"_number"`
})
err = request(ctx, "changes/", req, resp)
link = fmt.Sprintf("%v/c/%v/+/%v", host, project, resp.Number)
return resp.Number, link, err
}
func request(ctx context.Context, api string, req map[string]any, resp any) error {
ts, err := google.DefaultTokenSource(ctx, "https://www.googleapis.com/auth/gerritcodereview")
if err != nil {
return fmt.Errorf("gerrit: failed to get token source: %w", err)
}
reqData, err := json.Marshal(req)
if err != nil {
return fmt.Errorf("gerrit: failed to marshal CreateChange: %w", err)
}
endpoint := fmt.Sprintf("%v/a/%v", host, api)
httpReq, err := http.NewRequestWithContext(ctx, "POST", endpoint, bytes.NewBuffer(reqData))
if err != nil {
return fmt.Errorf("gerrit: failed to create request: %w", err)
}
httpReq.Header.Set("Content-Type", "application/json; charset=UTF-8")
httpResp, err := oauth2.NewClient(ctx, ts).Do(httpReq)
if err != nil {
return fmt.Errorf("gerrit: failed to call %v: %w", api, err)
}
defer httpResp.Body.Close()
body, err := io.ReadAll(httpResp.Body)
if err != nil || httpResp.StatusCode < 200 || httpResp.StatusCode > 299 {
return fmt.Errorf("gerrit: failed to call %v: %v %v err:%w: %s",
api, httpResp.StatusCode, http.StatusText(httpResp.StatusCode), err, body)
}
// Responses may start with ")]}'" for XSSI protection; trim it.
const xssiPrefix = ")]}'\n"
body = bytes.TrimPrefix(body, []byte(xssiPrefix))
if err := json.Unmarshal(body, resp); err != nil {
return fmt.Errorf("gerrit: failed to unmarshal %v response: %w\n%s", api, err, body)
}
return nil
}
|
