func matchFilePath(call otto.FunctionCall) otto.Value {
pattern := call.Argument(0).String()
name := call.Argument(1).String()
match := glob.Glob(pattern, name)
val, _ := otto.ToValue(match)
return val
}
// Handler
func payload(c *echo.Context) error {
var owner string
var repo string
r := c.Request()
body, err := ioutil.ReadAll(r.Body)
if err != nil {
return err
}
if hookSecret != "" {
sig := r.Header.Get("X-Hub-Signature")
if sig == "" {
return errMissingSig
}
mac := hmac.New(sha1.New, []byte(hookSecret))
mac.Write(body)
expectedMAC := mac.Sum(nil)
expectedSig := "sha1=" + hex.EncodeToString(expectedMAC)
if !hmac.Equal([]byte(expectedSig), []byte(sig)) {
return errInvalidSig
}
}
eventType := r.Header.Get("X-Github-Event")
data := map[string]interface{}{}
if err := json.Unmarshal(body, &data); err != nil {
fmt.Printf("%s", err.Error())
return err
}
repository := data["repository"]
repoMap, ok := repository.(map[string]interface{})
if !ok {
fmt.Printf("Repository missing")
return nil
}
repo = repoMap["name"].(string)
ownerMap, ok := repoMap["owner"].(map[string]interface{})
if !ok {
fmt.Printf("Owner missing")
return nil
}
if _, ok := ownerMap["login"]; ok {
owner = ownerMap["login"].(string)
} else if _, ok := ownerMap["name"]; ok {
owner = ownerMap["name"].(string)
}
fmt.Printf("Event: %s, Owner: %s, Repo %s\n", eventType, owner, repo)
cfg, err := getCaptainConfig(owner, repo)
fmt.Printf("%s/%s config: %+v\n", owner, repo, cfg)
if err != nil {
return err
}
for _, plugin := range cfg.Plugins {
pluginData, err := getCaptainPlugin(owner, repo, plugin.Name)
if err != nil {
// TODO set info about this
fmt.Printf("%s", err.Error())
continue
}
vm := otto.New()
vm.Run(`
var global = {};
_moduleCache = {};
function require(moduleName) {
if (!_moduleCache[moduleName]) {
_require(moduleName);
}
return _moduleCache[moduleName];
}
`)
vm.Set("eventType", eventType)
vm.Set("eventData", data)
vm.Set("config", plugin.Config)
vm.Set("matchFilePath", matchFilePath)
vm.Set("_require", func(call otto.FunctionCall) otto.Value {
moduleFilename, err := call.Argument(0).ToString()
if err != nil {
panic(err)
}
content, err := getCaptainPlugin(owner, repo, moduleFilename)
if err != nil {
panic(err)
}
script := `
(function (_moduleCache, global) {
var module = {exports: {}};
(function (require, module, exports, undefined) {
` + string(content) + `
})(require, module, module.exports);
_moduleCache["` + moduleFilename + `"] = module.exports;
})(_moduleCache, global);
`
_, err = vm.Run(script)
if err != nil {
fmt.Printf("Error evaluating %s %s %s\n", moduleFilename, script, err.Error())
}
return otto.Value{}
})
vm.Set("print", func(call otto.FunctionCall) otto.Value {
text, err := call.Argument(0).ToString()
if err != nil {
panic(err)
}
println(text)
return otto.Value{}
})
vm.Set("getPullRequestFileContent", func(call otto.FunctionCall) otto.Value {
prNumber, err := call.Argument(0).ToInteger()
if err != nil {
panic(err)
}
fileName, err := call.Argument(1).ToString()
if err != nil {
panic(err)
}
content, err := readPullRequestFileContent(owner, repo, int(prNumber), fileName)
if err != nil {
panic(err)
}
ottoValue, err := otto.ToValue(string(content))
if err != nil {
panic(err)
}
return ottoValue
})
vm.Set("getPullRequestDetails", func(call otto.FunctionCall) otto.Value {
prNumber, err := call.Argument(0).ToInteger()
if err != nil {
panic(err)
}
pr, err := getPullRequestDetails(owner, repo, int(prNumber))
data, err := json.Marshal(pr)
if err != nil {
panic(err)
}
val, err := vm.Run(fmt.Sprintf("(%s)", string(data)))
if err != nil {
panic(err)
}
return val
})
vm.Set("getPullRequestFiles", func(call otto.FunctionCall) otto.Value {
prNumber, err := call.Argument(0).ToInteger()
if err != nil {
panic(err)
}
files, err := listPullRequestFiles(owner, repo, int(prNumber))
if err != nil {
panic(err)
}
data, err := json.Marshal(files)
if err != nil {
panic(err)
}
val, err := vm.Run(string(data))
if err != nil {
panic(err)
}
return val
})
vm.Set("createPullRequestComment", func(call otto.FunctionCall) otto.Value {
prNumber, err := call.Argument(0).ToInteger()
if err != nil {
panic(err)
}
body := call.Argument(1).String()
if err != nil {
panic(err)
}
err = createPullRequestComment(owner, repo, int(prNumber), body)
if err != nil {
panic(err)
}
return otto.Value{}
})
vm.Set("createIssueComment", func(call otto.FunctionCall) otto.Value {
prNumber, err := call.Argument(0).ToInteger()
if err != nil {
panic(err)
}
body := call.Argument(1).String()
if err != nil {
panic(err)
}
err = createIssueComment(owner, repo, int(prNumber), body)
if err != nil {
panic(err)
}
return otto.Value{}
})
vm.Set("createStatus", func(call otto.FunctionCall) otto.Value {
sha, err := call.Argument(0).ToString()
if err != nil {
panic(err)
}
state, err := call.Argument(1).ToString()
if err != nil {
panic(err)
}
targetURL, err := call.Argument(2).ToString()
if err != nil {
panic(err)
}
description, err := call.Argument(3).ToString()
if err != nil {
panic(err)
}
context, err := call.Argument(4).ToString()
if err != nil {
panic(err)
}
err = createStatus(owner, repo, sha, state, targetURL, description, context)
if err != nil {
panic(err)
}
return otto.Value{}
})
vm.Set("saveData", func(call otto.FunctionCall) otto.Value {
redisClient := redisPool.Get()
defer redisClient.Close()
key := call.Argument(0).String()
data := call.Argument(1).String()
storeKey := fmt.Sprintf("%s/%s/%s", owner, repo, key)
_, err := redisClient.Do("SET", storeKey, data)
if err != nil {
panic(err)
}
return otto.Value{}
})
vm.Set("loadData", func(call otto.FunctionCall) otto.Value {
redisClient := redisPool.Get()
defer redisClient.Close()
key := call.Argument(0).String()
storeKey := fmt.Sprintf("%s/%s/%s", owner, repo, key)
s, err := redis.String(redisClient.Do("GET", storeKey))
if err != nil {
panic(err)
}
ottoValue, err := otto.ToValue(s)
if err != nil {
panic(err)
}
return ottoValue
})
_, err = vm.Run(`
var module = {exports: {}};
(function (require, module, exports, global, undefined) {
` + string(pluginData) + `
})(require, module, module.exports, global);
`)
if err != nil {
fmt.Printf("plugin eval error: %s %s\n", err.Error(), pluginData)
return err
}
}
return nil
}