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/*
This program is public domain, or under the terms of Creative Commons Zero
1.0 Universal, at your choice. In addition, a Waiver of Patent Rights
apply. See the LICENSE file for details.
*/
/*
NOTE: Do not use this in production yet as GitHub secrets validation,
replay attack prevention, quite a lot of error checking, etc., are not
implemented yet.
*/
/*
NOTE: This program requires a working git-send-email setup. This should
use /sbin/sendmail by default on unconfigured systems with sendmail.
You could uncomment the lines that connect to a local SMTP server.
*/
package main
import (
// "log"
"encoding/json"
"fmt"
"io"
"net/http"
"os"
"os/exec"
)
const ENVELOPE_FROM string = "hybrid@runxiyu.org"
const HEADER_FROM string = "Hybrid <hybrid@runxiyu.org>"
const REPLY_TO string = "me@runxiyu.org"
func getToAddress(repo string) string {
switch repo {
case "runxiyu/sjdb-src":
return "~runxiyu/sjdb@lists.sr.ht"
case "runxiyu/ykps-wsgi":
return "~runxiyu/ykps@lists.sr.ht"
default:
return "~runxiyu/public-inbox@lists.sr.ht"
}
}
type PullRequestMessage struct {
Action string
Repository struct {
FullName string `json:"full_name"`
} `json:"repository"`
PullRequest struct {
PatchUrl string `json:"patch_url"`
} `json:"pull_request"`
}
func pullRequest(w http.ResponseWriter, req *http.Request) {
if req.Method != "POST" {
w.WriteHeader(http.StatusMethodNotAllowed)
return
}
// TODO: Authentication
var jq PullRequestMessage
err := json.NewDecoder(req.Body).Decode(&jq)
if err != nil {
panic(err)
}
repo := jq.Repository.FullName
if len(repo) == 0 {
w.WriteHeader(http.StatusBadRequest)
fmt.Fprintln(w, "No repo name found.")
return
}
patchUrl := jq.PullRequest.PatchUrl
if len(patchUrl) == 0 {
w.WriteHeader(http.StatusBadRequest)
fmt.Fprintln(w, "No patch URL found.")
return
}
f, err := os.CreateTemp("", "github-patch-*.mbox")
defer os.Remove(f.Name())
// TODO: make http request to get patch
resp, err := http.Get(patchUrl)
defer resp.Body.Close()
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
fmt.Fprintln(w, "Error fetching patch.")
return
}
if resp.StatusCode != http.StatusOK {
w.WriteHeader(http.StatusInternalServerError)
fmt.Fprintln(w, "Error fetching patch.")
return
}
_, err = io.Copy(f, resp.Body)
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
fmt.Fprintln(w, "Error copying patch to temporary file.")
return
}
err = exec.Command(
"git", "send-email",
"--from", HEADER_FROM,
"--8bit-encoding", "UTF-8",
"--to", getToAddress(repo),
"--confirm", "never",
// "--suppress-cc", "all",
"--reply-to", REPLY_TO,
"--envelope-sender", ENVELOPE_FROM,
// "--no-smtp-auth",
// "--smtp-server", "localhost",
// "--smtp-server-port", "25",
f.Name(),
).Run()
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
fmt.Fprintln(w, "Error sending email.")
return
}
if err := f.Close; f.Close() != nil {
panic(err)
}
}
func main() {
http.HandleFunc("/github/pull-request", pullRequest)
err := http.ListenAndServe(":8080", nil)
if err != nil {
panic(err)
}
}
|
