~edwargix/git.sr.ht

c37d51279a04324086e4b8f677e7bbd5b4a6bc71 — наб 4 years ago 1c892a3
Use core-go's crypto for webhook signing
3 files changed, 4 insertions(+), 45 deletions(-)

M gitsrht-update-hook/go.mod
M gitsrht-update-hook/go.sum
M gitsrht-update-hook/webhooks.go
M gitsrht-update-hook/go.mod => gitsrht-update-hook/go.mod +0 -1
@@ 11,6 11,5 @@ require (
	github.com/mattn/go-runewidth v0.0.9
	github.com/pkg/errors v0.9.1
	github.com/vaughan0/go-ini v0.0.0-20130923145212-a98ad7ee00ec
	golang.org/x/crypto v0.0.0-20200728195943-123391ffb6de
	gopkg.in/yaml.v2 v2.3.0
)

M gitsrht-update-hook/go.sum => gitsrht-update-hook/go.sum +0 -10
@@ 19,8 19,6 @@ github.com/go-git/go-git v4.7.0+incompatible h1:+W9rgGY4DOKKdX2x6HxSR7HNeTxqiKrO
github.com/go-git/go-git-fixtures/v4 v4.0.1/go.mod h1:m+ICp2rF3jDhFgEZ/8yziagdT1C+ZpZcrJjappBCDSw=
github.com/go-git/go-git/v5 v5.1.0 h1:HxJn9g/E7eYvKW3Fm7Jt4ee8LXfPOm/H1cdDu8vEssk=
github.com/go-git/go-git/v5 v5.1.0/go.mod h1:ZKfuPUoY1ZqIG4QG9BDBh3G4gLM5zvPuSJAozQrZuyM=
github.com/go-redis/redis v6.15.6+incompatible h1:H9evprGPLI8+ci7fxQx6WNZHJSb7be8FqJQRhdQZ5Sg=
github.com/go-redis/redis v6.15.6+incompatible/go.mod h1:NAIEuMOZ/fxfXJIrKDQDz8wamY7mA7PouImQ2Jvg6kA=
github.com/go-redis/redis v6.15.9+incompatible h1:K0pv1D7EQUjfyoMql+r/jZqCLizCGKFlFgcHWWmHQjg=
github.com/go-redis/redis v6.15.9+incompatible/go.mod h1:NAIEuMOZ/fxfXJIrKDQDz8wamY7mA7PouImQ2Jvg6kA=
github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=


@@ 37,18 35,13 @@ github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORN
github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
github.com/lib/pq v1.2.0 h1:LXpIM/LZ5xGFhOpXAQUIMM1HdyqzVYM13zNdjCEEcA0=
github.com/lib/pq v1.2.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
github.com/lib/pq v1.8.0 h1:9xohqzkUwzR4Ga4ivdTcawVS89YSDVxXMa3xJX3cGzg=
github.com/lib/pq v1.8.0/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
github.com/mattn/go-runewidth v0.0.6 h1:V2iyH+aX9C5fsYCpK60U8BYIvmhqxuOL3JZcqc1NB7k=
github.com/mattn/go-runewidth v0.0.6/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
github.com/mattn/go-runewidth v0.0.9 h1:Lm995f3rfxdpd6TSmuVCHVb/QhupuXlYr8sCI/QdE+0=
github.com/mattn/go-runewidth v0.0.9/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
github.com/mitchellh/go-homedir v1.1.0 h1:lukF9ziXFxDFPkA1vsr5zpc1XuPDn/wFntq5mG+4E0Y=
github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=


@@ 63,7 56,6 @@ github.com/xanzy/ssh-agent v0.2.1 h1:TCbipTQL2JiiCprBWx9frJ2eJlCYT00NmctrHxVAr70
github.com/xanzy/ssh-agent v0.2.1/go.mod h1:mLlQY/MoOhWBj+gOGMQkOeiEvkx+8pJSI+0Bx9h2kr4=
golang.org/x/crypto v0.0.0-20190219172222-a4c6cb3142f2/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20200302210943-78000ba7a073 h1:xMPOj6Pz6UipU1wXLkrtqpHbR0AVFnyPEQq/wRWz9lM=
golang.org/x/crypto v0.0.0-20200302210943-78000ba7a073/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/crypto v0.0.0-20200728195943-123391ffb6de h1:ikNHVSjEfnvz6sxdSPCaPt572qowuyMDMJLLm3Db3ig=
golang.org/x/crypto v0.0.0-20200728195943-123391ffb6de/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=


@@ 85,7 77,5 @@ gopkg.in/warnings.v0 v0.1.2 h1:wFXVbFY8DY5/xOe1ECiWdKCzZlxgshcYVNkBHstARME=
gopkg.in/warnings.v0 v0.1.2/go.mod h1:jksf8JmL6Qr/oQM2OXTHunEvvTAsrWBLb6OOjuVWRNI=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.7 h1:VUgggvou5XRW9mHwD/yXxIYSMtY0zoKQf/v226p2nyo=
gopkg.in/yaml.v2 v2.2.7/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

M gitsrht-update-hook/webhooks.go => gitsrht-update-hook/webhooks.go +4 -34
@@ 2,9 2,6 @@ package main

import (
	"bytes"
	"crypto/rand"
	"encoding/base64"
	"encoding/hex"
	"fmt"
	"io/ioutil"
	"log"


@@ 17,11 14,7 @@ import (

	"github.com/google/uuid"
	"github.com/mattn/go-runewidth"
	"golang.org/x/crypto/ed25519"
)

var (
	privkey ed25519.PrivateKey
	"git.sr.ht/~sircmpwn/core-go/crypto"
)

type WebhookSubscription struct {


@@ 58,38 51,16 @@ type WebhookPayload struct {
	Refs     []UpdatedRef      `json:"refs"`
}

func initWebhookKey() {
	b64key, ok := config.Get("webhooks", "private-key")
	if !ok {
		logger.Fatalf("No webhook key configured")
	}
	seed, err := base64.StdEncoding.DecodeString(b64key)
	if err != nil {
		logger.Fatalf("base64 decode webhooks private key: %v", err)
	}
	privkey = ed25519.NewKeyFromSeed(seed)
}

var ansi = regexp.MustCompile("\x1B\\[[0-?]*[ -/]*[@-~]")

func deliverWebhooks(subs []WebhookSubscription,
	payload []byte, printResponse bool) []WebhookDelivery {

	var deliveries []WebhookDelivery
	initWebhookKey()
	client := &http.Client{Timeout: 5 * time.Second}

	for _, sub := range subs {
		var (
			nonceSeed []byte = make([]byte, 8)
			nonceHex  []byte = make([]byte, 16)
		)
		_, err := rand.Read(nonceSeed)
		if err != nil {
			logger.Fatalf("generate nonce: %v", err)
		}
		hex.Encode(nonceHex, nonceSeed)
		signature := ed25519.Sign(privkey, append(payload, nonceHex...))
		nonce, signature := crypto.SignWebhookPayload(payload, logger, config)

		deliveryUuid := uuid.New().String()
		body := bytes.NewBuffer(payload)


@@ 97,9 68,8 @@ func deliverWebhooks(subs []WebhookSubscription,
		req.Header.Add("Content-Type", "application/json")
		req.Header.Add("X-Webhook-Event", "repo:post-update")
		req.Header.Add("X-Webhook-Delivery", deliveryUuid)
		req.Header.Add("X-Payload-Nonce", string(nonceHex))
		req.Header.Add("X-Payload-Signature",
			base64.StdEncoding.EncodeToString(signature))
		req.Header.Add("X-Payload-Nonce", nonce)
		req.Header.Add("X-Payload-Signature", signature)

		var requestHeaders bytes.Buffer
		for name, values := range req.Header {