You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
111 lines
2.9 KiB
111 lines
2.9 KiB
package github
|
|
|
|
import (
|
|
"fmt"
|
|
"io/ioutil"
|
|
"log"
|
|
"net/http"
|
|
"os"
|
|
"strings"
|
|
|
|
"git.ryanburnette.com/ryanburnette/git-deploy/internal/options"
|
|
"git.ryanburnette.com/ryanburnette/git-deploy/internal/webhooks"
|
|
|
|
"github.com/go-chi/chi"
|
|
"github.com/google/go-github/v32/github"
|
|
)
|
|
|
|
func init() {
|
|
var githubSecret string
|
|
options.ServerFlags.StringVar(
|
|
&githubSecret, "github-secret", "",
|
|
"secret for github webhooks (same as GITHUB_SECRET=)",
|
|
)
|
|
webhooks.AddProvider("github", InitWebhook("github", &githubSecret, "GITHUB_SECRET"))
|
|
}
|
|
|
|
func InitWebhook(providername string, secret *string, envname string) func() {
|
|
return func() {
|
|
if "" == *secret {
|
|
*secret = os.Getenv(envname)
|
|
}
|
|
if "" == *secret {
|
|
fmt.Fprintf(os.Stderr, "skipped route for missing %s\n", envname)
|
|
return
|
|
}
|
|
githubSecretB := []byte(*secret)
|
|
webhooks.AddRouteHandler(providername, func(router chi.Router) {
|
|
router.Post("/", func(w http.ResponseWriter, r *http.Request) {
|
|
body := http.MaxBytesReader(w, r.Body, options.DefaultMaxBodySize)
|
|
defer func() {
|
|
_ = body.Close()
|
|
}()
|
|
|
|
payload, err := ioutil.ReadAll(r.Body)
|
|
if err != nil {
|
|
// if there's a read error, it should have been handled already by the MaxBytesReader
|
|
return
|
|
}
|
|
|
|
sig := r.Header.Get("X-Hub-Signature")
|
|
if err := github.ValidateSignature(sig, payload, githubSecretB); nil != err {
|
|
log.Printf("invalid github signature: error: %s\n", err)
|
|
http.Error(w, "invalid github signature", http.StatusBadRequest)
|
|
return
|
|
}
|
|
|
|
hookType := github.WebHookType(r)
|
|
event, err := github.ParseWebHook(hookType, payload)
|
|
if err != nil {
|
|
log.Printf("invalid github webhook payload: error: %s\n", err)
|
|
http.Error(w, "invalid github webhook payload", http.StatusBadRequest)
|
|
return
|
|
}
|
|
|
|
switch e := event.(type) {
|
|
case *github.PushEvent:
|
|
var branch string
|
|
var tag string
|
|
|
|
ref := e.GetRef() // *e.Ref
|
|
parts := strings.Split(ref, "/")
|
|
refType := parts[1]
|
|
prefixLen := len("refs/") + len(refType) + len("/")
|
|
refName := ref[prefixLen:]
|
|
switch refType {
|
|
case "tags":
|
|
refType = "tag"
|
|
tag = refName
|
|
case "heads":
|
|
refType = "branch"
|
|
branch = refName
|
|
}
|
|
webhooks.Hook(webhooks.Ref{
|
|
HTTPSURL: e.GetRepo().GetCloneURL(),
|
|
SSHURL: e.GetRepo().GetSSHURL(),
|
|
Rev: e.GetAfter(), // *e.After
|
|
Ref: ref,
|
|
RefType: refType,
|
|
RefName: refName,
|
|
Branch: branch,
|
|
Tag: tag,
|
|
Repo: e.GetRepo().GetName(), // *e.Repo.Name
|
|
Owner: e.GetRepo().GetOwner().GetLogin(),
|
|
})
|
|
/*
|
|
case *github.PullRequestEvent:
|
|
// probably doesn't matter
|
|
case *github.StatusEvent:
|
|
// probably doesn't matter
|
|
case *github.WatchEvent:
|
|
// probably doesn't matter
|
|
*/
|
|
default:
|
|
log.Printf("unknown event type %s\n", hookType)
|
|
return
|
|
}
|
|
|
|
})
|
|
})
|
|
}
|
|
}
|