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refactoring

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This commit is contained in:
Adnan Hajdarevic 2015-02-25 00:12:24 +01:00
parent a5d79fddd9
commit f1c4415fc8
5 changed files with 130 additions and 74 deletions
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50
webhook.go
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@ -1,7 +1,6 @@
package main
import (
"encoding/hex"
"encoding/json"
"flag"
"fmt"
@ -12,13 +11,11 @@ import (
"strings"
"time"
"github.com/adnanh/webhook/helpers"
"github.com/adnanh/webhook/hooks"
"github.com/go-martini/martini"
"crypto/hmac"
"crypto/sha1"
l4g "code.google.com/p/log4go"
)
@ -71,48 +68,35 @@ func rootHandler() string {
return fmt.Sprintf("webhook %s running for %s serving %d hook(s)\n", version, time.Since(appStart).String(), webhooks.Count())
}
func githubHandler(id string, body []byte, signature string, params interface{}) {
if hook := webhooks.Match(id, params); hook != nil {
func jsonHandler(id string, body []byte, signature string, payload interface{}) {
if hook := webhooks.Match(id, payload); hook != nil {
if hook.Secret != "" {
if signature == "" {
l4g.Error("Hook %s got matched and contains the secret, but the request didn't contain any signature.", hook.ID)
return
}
mac := hmac.New(sha1.New, []byte(hook.Secret))
mac.Write(body)
expectedMAC := hex.EncodeToString(mac.Sum(nil))
if !hmac.Equal([]byte(signature), []byte(expectedMAC)) {
if expectedMAC, ok := helpers.CheckPayloadSignature(body, hook.Secret, signature); ok {
l4g.Error("Hook %s got matched and contains the secret, but the request contained invalid signature. Expected %s, got %s.", hook.ID, expectedMAC, signature)
return
}
}
cmd := exec.Command(hook.Command)
cmd.Args = hook.ParseJSONArgs(payload)
cmd.Dir = hook.Cwd
out, err := cmd.Output()
l4g.Info("Hook %s triggered successfully! Command output:\n%s\nError: %+v", hook.ID, out, err)
l4g.Info("Hook %s triggered successfully! Command output:\n%s\n%+v", hook.ID, out, err)
}
}
func defaultPostHookHandler(id string, formValues url.Values) {
if hook := webhooks.Match(id, make(map[string]interface{})); hook != nil {
args := make([]string, 0)
args = append(args, hook.Command)
for i := range hook.Args {
if arg := formValues[hook.Args[i]]; len(arg) > 0 {
args = append(args, arg[0])
}
}
func formHandler(id string, formValues url.Values) {
if hook := webhooks.Match(id, helpers.FormValuesToMap(formValues)); hook != nil {
cmd := exec.Command(hook.Command)
cmd.Args = args
cmd.Args = hook.ParseFormArgs(formValues)
cmd.Dir = hook.Cwd
out, err := cmd.Output()
l4g.Info("Hook %s triggered successfully! Command output:\n%s\nError: %+v", hook.ID, out, err)
l4g.Info("Hook %s triggered successfully! Command output:\n%s\n%+v", hook.ID, out, err)
}
}
@ -136,18 +120,18 @@ func hookHandler(req *http.Request, params martini.Params) string {
l4g.Warn("Error occurred while trying to parse the payload as JSON: %s", err)
}
githubSignature := ""
if len(req.Header.Get("X-Hub-Signature")) > 5 {
githubSignature = req.Header.Get("X-Hub-Signature")[5:]
}
payloadSignature := ""
if strings.Contains(req.Header.Get("User-Agent"), "Github") {
go githubHandler(params["id"], body, githubSignature, payloadJSON)
if len(req.Header.Get("X-Hub-Signature")) > 5 {
payloadSignature = req.Header.Get("X-Hub-Signature")[5:]
}
go jsonHandler(params["id"], body, payloadSignature, payloadJSON)
}
} else {
req.ParseForm()
go defaultPostHookHandler(params["id"], req.Form)
go formHandler(params["id"], req.Form)
}
return "Got it, thanks. :-)"