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// Copyright 2017 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package cmd
import (
"bufio"
"bytes"
"fmt"
"net/http"
"os"
"strconv"
"strings"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/private"
"code.gitea.io/gitea/modules/setting"
"github.com/urfave/cli"
)
var (
// CmdHook represents the available hooks sub-command.
CmdHook = cli.Command{
Name: "hook",
Usage: "Delegate commands to corresponding Git hooks",
Description: "This should only be called by Git",
Subcommands: []cli.Command{
subcmdHookPreReceive,
subcmdHookUpdate,
subcmdHookPostReceive,
},
}
subcmdHookPreReceive = cli.Command{
Name: "pre-receive",
Usage: "Delegate pre-receive Git hook",
Description: "This command should only be called by Git",
Action: runHookPreReceive,
}
subcmdHookUpdate = cli.Command{
Name: "update",
Usage: "Delegate update Git hook",
Description: "This command should only be called by Git",
Action: runHookUpdate,
}
subcmdHookPostReceive = cli.Command{
Name: "post-receive",
Usage: "Delegate post-receive Git hook",
Description: "This command should only be called by Git",
Action: runHookPostReceive,
}
)
func runHookPreReceive(c *cli.Context) error {
if len(os.Getenv("SSH_ORIGINAL_COMMAND")) == 0 {
if setting.OnlyAllowPushIfGiteaEnvironmentSet {
fail(`Rejecting changes as Gitea environment not set.
If you are pushing over SSH you must push with a key managed by
Gitea or set your environment appropriately.`, "")
} else {
return nil
}
}
setup("hooks/pre-receive.log", false)
// the environment setted on serv command
isWiki := (os.Getenv(models.EnvRepoIsWiki) == "true")
username := os.Getenv(models.EnvRepoUsername)
reponame := os.Getenv(models.EnvRepoName)
userID, _ := strconv.ParseInt(os.Getenv(models.EnvPusherID), 10, 64)
prID, _ := strconv.ParseInt(os.Getenv(models.ProtectedBranchPRID), 10, 64)
isDeployKey, _ := strconv.ParseBool(os.Getenv(models.EnvIsDeployKey))
buf := bytes.NewBuffer(nil)
scanner := bufio.NewScanner(os.Stdin)
for scanner.Scan() {
buf.Write(scanner.Bytes())
buf.WriteByte('\n')
// TODO: support news feeds for wiki
if isWiki {
continue
}
fields := bytes.Fields(scanner.Bytes())
if len(fields) != 3 {
continue
}
oldCommitID := string(fields[0])
newCommitID := string(fields[1])
refFullName := string(fields[2])
// If the ref is a branch, check if it's protected
if strings.HasPrefix(refFullName, git.BranchPrefix) {
statusCode, msg := private.HookPreReceive(username, reponame, private.HookOptions{
OldCommitID: oldCommitID,
NewCommitID: newCommitID,
RefFullName: refFullName,
UserID: userID,
GitAlternativeObjectDirectories: os.Getenv(private.GitAlternativeObjectDirectories),
GitObjectDirectory: os.Getenv(private.GitObjectDirectory),
GitQuarantinePath: os.Getenv(private.GitQuarantinePath),
ProtectedBranchID: prID,
IsDeployKey: isDeployKey,
})
switch statusCode {
case http.StatusInternalServerError:
fail("Internal Server Error", msg)
case http.StatusForbidden:
fail(msg, "")
}
}
}
return nil
}
func runHookUpdate(c *cli.Context) error {
if len(os.Getenv("SSH_ORIGINAL_COMMAND")) == 0 {
if setting.OnlyAllowPushIfGiteaEnvironmentSet {
fail(`Rejecting changes as Gitea environment not set.
If you are pushing over SSH you must push with a key managed by
Gitea or set your environment appropriately.`, "")
} else {
return nil
}
}
setup("hooks/update.log", false)
return nil
}
func runHookPostReceive(c *cli.Context) error {
if len(os.Getenv("SSH_ORIGINAL_COMMAND")) == 0 {
if setting.OnlyAllowPushIfGiteaEnvironmentSet {
fail(`Rejecting changes as Gitea environment not set.
If you are pushing over SSH you must push with a key managed by
Gitea or set your environment appropriately.`, "")
} else {
return nil
}
}
setup("hooks/post-receive.log", false)
// the environment setted on serv command
repoUser := os.Getenv(models.EnvRepoUsername)
isWiki := (os.Getenv(models.EnvRepoIsWiki) == "true")
repoName := os.Getenv(models.EnvRepoName)
pusherID, _ := strconv.ParseInt(os.Getenv(models.EnvPusherID), 10, 64)
pusherName := os.Getenv(models.EnvPusherName)
buf := bytes.NewBuffer(nil)
scanner := bufio.NewScanner(os.Stdin)
for scanner.Scan() {
buf.Write(scanner.Bytes())
buf.WriteByte('\n')
// TODO: support news feeds for wiki
if isWiki {
continue
}
fields := bytes.Fields(scanner.Bytes())
if len(fields) != 3 {
continue
}
oldCommitID := string(fields[0])
newCommitID := string(fields[1])
refFullName := string(fields[2])
res, err := private.HookPostReceive(repoUser, repoName, private.HookOptions{
OldCommitID: oldCommitID,
NewCommitID: newCommitID,
RefFullName: refFullName,
UserID: pusherID,
UserName: pusherName,
})
if res == nil {
fail("Internal Server Error", err)
}
if res["message"] == false {
continue
}
fmt.Fprintln(os.Stderr, "")
if res["create"] == true {
fmt.Fprintf(os.Stderr, "Create a new pull request for '%s':\n", res["branch"])
fmt.Fprintf(os.Stderr, " %s\n", res["url"])
} else {
fmt.Fprint(os.Stderr, "Visit the existing pull request:\n")
fmt.Fprintf(os.Stderr, " %s\n", res["url"])
}
fmt.Fprintln(os.Stderr, "")
}
return nil
}
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