mirror of
https://git.vectorsigma.ru/public/atlantis.git
synced 2026-07-29 10:28:34 +00:00
79 lines
2.8 KiB
Go
79 lines
2.8 KiB
Go
// Copyright 2017 HootSuite Media Inc.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the License);
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an AS IS BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
// Modified hereafter by contributors to runatlantis/atlantis.
|
|
|
|
package server
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"io/ioutil"
|
|
"net/http"
|
|
|
|
"github.com/google/go-github/v31/github"
|
|
)
|
|
|
|
//go:generate pegomock generate -m --use-experimental-model-gen --package mocks -o mocks/mock_github_request_validator.go GithubRequestValidator
|
|
|
|
// GithubRequestValidator handles checking if GitHub requests are signed
|
|
// properly by the secret.
|
|
type GithubRequestValidator interface {
|
|
// Validate returns the JSON payload of the request.
|
|
// If secret is not empty, it checks that the request was signed
|
|
// by secret and returns an error if it was not.
|
|
// If secret is empty, it does not check if the request was signed.
|
|
Validate(r *http.Request, secret []byte) ([]byte, error)
|
|
}
|
|
|
|
// DefaultGithubRequestValidator handles checking if GitHub requests are signed
|
|
// properly by the secret.
|
|
type DefaultGithubRequestValidator struct{}
|
|
|
|
// Validate returns the JSON payload of the request.
|
|
// If secret is not empty, it checks that the request was signed
|
|
// by secret and returns an error if it was not.
|
|
// If secret is empty, it does not check if the request was signed.
|
|
func (d *DefaultGithubRequestValidator) Validate(r *http.Request, secret []byte) ([]byte, error) {
|
|
if len(secret) != 0 {
|
|
return d.validateAgainstSecret(r, secret)
|
|
}
|
|
return d.validateWithoutSecret(r)
|
|
}
|
|
|
|
func (d *DefaultGithubRequestValidator) validateAgainstSecret(r *http.Request, secret []byte) ([]byte, error) {
|
|
payload, err := github.ValidatePayload(r, secret)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return payload, nil
|
|
}
|
|
|
|
func (d *DefaultGithubRequestValidator) validateWithoutSecret(r *http.Request) ([]byte, error) {
|
|
switch ct := r.Header.Get("Content-Type"); ct {
|
|
case "application/json":
|
|
payload, err := ioutil.ReadAll(r.Body)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("could not read body: %s", err)
|
|
}
|
|
return payload, nil
|
|
case "application/x-www-form-urlencoded":
|
|
// GitHub stores the json payload as a form value.
|
|
payloadForm := r.FormValue("payload")
|
|
if payloadForm == "" {
|
|
return nil, errors.New("webhook request did not contain expected 'payload' form value")
|
|
}
|
|
return []byte(payloadForm), nil
|
|
default:
|
|
return nil, fmt.Errorf("webhook request has unsupported Content-Type %q", ct)
|
|
}
|
|
}
|