Hi… I am well aware that this diff view is very suboptimal. It will be fixed when the refactored server comes along!
Remove underscores from Go code, pt 3
// SPDX-License-Identifier: AGPL-3.0-only // SPDX-FileContributor: Runxi Yu <https://runxiyu.org> package main import ( "bufio" "context" "errors" "io" "net/http" "net/url" "strings" "github.com/jackc/pgx/v5" )
func fedauth(ctx context.Context, user_id int, service, remote_username, pubkey string) (bool, error) {
func fedauth(ctx context.Context, userID int, service, remote_username, pubkey string) (bool, error) {
var err error
var resp *http.Response
matched := false
username_escaped := url.PathEscape(remote_username)
switch service {
case "sr.ht":
resp, err = http.Get("https://meta.sr.ht/~" + username_escaped + ".keys")
case "github":
resp, err = http.Get("https://github.com/" + username_escaped + ".keys")
case "codeberg":
resp, err = http.Get("https://codeberg.org/" + username_escaped + ".keys")
case "tangled":
resp, err = http.Get("https://tangled.sh/keys/" + username_escaped)
// TODO: Don't rely on one webview
default:
return false, errors.New("unknown federated service")
}
if err != nil {
return false, err
}
defer func() {
_ = resp.Body.Close()
}()
buf := bufio.NewReader(resp.Body)
for {
line, err := buf.ReadString('\n')
if errors.Is(err, io.EOF) {
break
} else if err != nil {
return false, err
}
lineSplit := strings.Split(line, " ")
if len(lineSplit) < 2 {
continue
}
line = strings.Join(lineSplit[:2], " ")
if line == pubkey {
matched = true
break
}
}
if !matched {
return false, nil
}
var tx pgx.Tx
if tx, err = database.Begin(ctx); err != nil {
return false, err
}
defer func() {
_ = tx.Rollback(ctx)
}()
if _, err = tx.Exec(ctx, `UPDATE users SET type = 'federated' WHERE id = $1 AND type = 'pubkey_only'`, user_id); err != nil {
if _, err = tx.Exec(ctx, `UPDATE users SET type = 'federated' WHERE id = $1 AND type = 'pubkey_only'`, userID); err != nil {
return false, err }
if _, err = tx.Exec(ctx, `INSERT INTO federated_identities (user_id, service, remote_username) VALUES ($1, $2, $3)`, user_id, service, remote_username); err != nil {
if _, err = tx.Exec(ctx, `INSERT INTO federated_identities (user_id, service, remote_username) VALUES ($1, $2, $3)`, userID, service, remote_username); err != nil {
return false, err
}
if err = tx.Commit(ctx); err != nil {
return false, err
}
return true, nil
}
// SPDX-License-Identifier: AGPL-3.0-only
// SPDX-FileContributor: Runxi Yu <https://runxiyu.org>
package main
import (
"bytes"
"fmt"
"strings"
"time"
"github.com/go-git/go-git/v5/plumbing/object"
)
// get_patch_from_commit formats a commit object as if it was returned by
// git-format-patch.
func fmtCommitPatch(commit *object.Commit) (final string, err error) {
var patch *object.Patch
var buf bytes.Buffer
var author object.Signature
var date string
var commitTitle, commitDetails string
if _, patch, err = get_patch_from_commit(commit); err != nil {
if _, patch, err = fmtCommitAsPatch(commit); err != nil {
return "", err
}
author = commit.Author
date = author.When.Format(time.RFC1123Z)
commitTitle, commitDetails, _ = strings.Cut(commit.Message, "\n")
// This date is hardcoded in Git.
fmt.Fprintf(&buf, "From %s Mon Sep 17 00:00:00 2001\n", commit.Hash)
fmt.Fprintf(&buf, "From: %s <%s>\n", author.Name, author.Email)
fmt.Fprintf(&buf, "Date: %s\n", date)
fmt.Fprintf(&buf, "Subject: [PATCH] %s\n\n", commitTitle)
if commitDetails != "" {
commitDetails1, commitDetails2, _ := strings.Cut(commitDetails, "\n")
if strings.TrimSpace(commitDetails1) == "" {
commitDetails = commitDetails2
}
buf.WriteString(commitDetails)
buf.WriteString("\n")
}
buf.WriteString("---\n")
fmt.Fprint(&buf, patch.Stats().String())
fmt.Fprintln(&buf)
buf.WriteString(patch.String())
fmt.Fprintf(&buf, "\n-- \n2.48.1\n")
return buf.String(), nil
}
// SPDX-License-Identifier: AGPL-3.0-only
// SPDX-FileContributor: Runxi Yu <https://runxiyu.org>
package main
import (
"bytes"
"context"
"encoding/binary"
"errors"
"fmt"
"io"
"net"
"os"
"path/filepath"
"strconv"
"strings"
"syscall"
"github.com/go-git/go-git/v5/plumbing"
"github.com/go-git/go-git/v5/plumbing/object"
"github.com/jackc/pgx/v5"
"go.lindenii.runxiyu.org/lindenii-common/ansiec"
)
var (
errGetFD = errors.New("unable to get file descriptor")
errGetUcred = errors.New("failed getsockopt")
)
// hooksHandler handles a connection from hookc via the
// unix socket.
func hooksHandler(conn net.Conn) {
var ctx context.Context
var cancel context.CancelFunc
var ucred *syscall.Ucred
var err error
var cookie []byte
var pack_to_hook pack_to_hook_t var ssh_stderr io.Writer
var packPass packPass var sshStderr io.Writer
var ok bool
var hook_return_value byte
var hookRet byte
defer conn.Close()
ctx, cancel = context.WithCancel(context.Background())
defer cancel()
// There aren't reasonable cases where someone would run this as
// another user.
if ucred, err = getUcred(conn); err != nil {
if _, err = conn.Write([]byte{1}); err != nil {
return
}
wf_error(conn, "\nUnable to get peer credentials: %v", err)
writeRedError(conn, "\nUnable to get peer credentials: %v", err)
return
}
if ucred.Uid != uint32(os.Getuid()) {
if _, err = conn.Write([]byte{1}); err != nil {
return
}
wf_error(conn, "\nUID mismatch")
writeRedError(conn, "\nUID mismatch")
return
}
cookie = make([]byte, 64)
if _, err = conn.Read(cookie); err != nil {
if _, err = conn.Write([]byte{1}); err != nil {
return
}
wf_error(conn, "\nFailed to read cookie: %v", err)
writeRedError(conn, "\nFailed to read cookie: %v", err)
return }
pack_to_hook, ok = pack_to_hook_by_cookie.Load(string(cookie))
packPass, ok = packPasses.Load(string(cookie))
if !ok {
if _, err = conn.Write([]byte{1}); err != nil {
return
}
wf_error(conn, "\nInvalid handler cookie")
writeRedError(conn, "\nInvalid handler cookie")
return }
ssh_stderr = pack_to_hook.session.Stderr()
sshStderr = packPass.session.Stderr()
_, _ = ssh_stderr.Write([]byte{'\n'})
_, _ = sshStderr.Write([]byte{'\n'})
hook_return_value = func() byte {
hookRet = func() byte {
var argc64 uint64
if err = binary.Read(conn, binary.NativeEndian, &argc64); err != nil {
wf_error(ssh_stderr, "Failed to read argc: %v", err)
writeRedError(sshStderr, "Failed to read argc: %v", err)
return 1
}
var args []string
for i := uint64(0); i < argc64; i++ {
var arg bytes.Buffer
for {
b := make([]byte, 1)
n, err := conn.Read(b)
if err != nil || n != 1 {
wf_error(ssh_stderr, "Failed to read arg: %v", err)
writeRedError(sshStderr, "Failed to read arg: %v", err)
return 1
}
if b[0] == 0 {
break
}
arg.WriteByte(b[0])
}
args = append(args, arg.String())
}
git_env := make(map[string]string)
gitEnv := make(map[string]string)
for {
var env_line bytes.Buffer
var envLine bytes.Buffer
for {
b := make([]byte, 1)
n, err := conn.Read(b)
if err != nil || n != 1 {
wf_error(ssh_stderr, "Failed to read environment variable: %v", err)
writeRedError(sshStderr, "Failed to read environment variable: %v", err)
return 1
}
if b[0] == 0 {
break
}
env_line.WriteByte(b[0])
envLine.WriteByte(b[0])
}
if env_line.Len() == 0 {
if envLine.Len() == 0 {
break }
kv := env_line.String()
kv := envLine.String()
parts := strings.SplitN(kv, "=", 2)
if len(parts) < 2 {
wf_error(ssh_stderr, "Invalid environment variable line: %v", kv)
writeRedError(sshStderr, "Invalid environment variable line: %v", kv)
return 1 }
git_env[parts[0]] = parts[1]
gitEnv[parts[0]] = parts[1]
}
var stdin bytes.Buffer
if _, err = io.Copy(&stdin, conn); err != nil {
wf_error(conn, "Failed to read to the stdin buffer: %v", err)
writeRedError(conn, "Failed to read to the stdin buffer: %v", err)
}
switch filepath.Base(args[0]) {
case "pre-receive":
if pack_to_hook.direct_access {
if packPass.directAccess {
return 0
} else {
all_ok := true
allOK := true
for {
var line, old_oid, rest, new_oid, ref_name string
var line, oldOID, rest, newIOID, refName string
var found bool
var old_hash, new_hash plumbing.Hash var old_commit, new_commit *object.Commit var git_push_option_count int
var oldHash, newHash plumbing.Hash var oldCommit, newCommit *object.Commit var pushOptCount int
git_push_option_count, err = strconv.Atoi(git_env["GIT_PUSH_OPTION_COUNT"])
pushOptCount, err = strconv.Atoi(gitEnv["GIT_PUSH_OPTION_COUNT"])
if err != nil {
wf_error(ssh_stderr, "Failed to parse GIT_PUSH_OPTION_COUNT: %v", err)
writeRedError(sshStderr, "Failed to parse GIT_PUSH_OPTION_COUNT: %v", err)
return 1 } // TODO: Allow existing users (even if they are already federated or registered) to add a federated user ID... though perhaps this should be in the normal SSH interface instead of the git push interface? // Also it'd be nice to be able to combine users or whatever
if pack_to_hook.contrib_requirements == "federated" && pack_to_hook.user_type != "federated" && pack_to_hook.user_type != "registered" {
if git_push_option_count == 0 {
wf_error(ssh_stderr, "This repo requires contributors to be either federated or registered users. You must supply your federated user ID as a push option. For example, git push -o fedid=sr.ht:runxiyu")
if packPass.contribReq == "federated" && packPass.userType != "federated" && packPass.userType != "registered" {
if pushOptCount == 0 {
writeRedError(sshStderr, "This repo requires contributors to be either federated or registered users. You must supply your federated user ID as a push option. For example, git push -o fedid=sr.ht:runxiyu")
return 1 }
for i := 0; i < git_push_option_count; i++ {
push_option, ok := git_env[fmt.Sprintf("GIT_PUSH_OPTION_%d", i)]
for i := 0; i < pushOptCount; i++ {
pushOpt, ok := gitEnv[fmt.Sprintf("GIT_PUSH_OPTION_%d", i)]
if !ok {
wf_error(ssh_stderr, "Failed to get push option %d", i)
writeRedError(sshStderr, "Failed to get push option %d", i)
return 1 }
if strings.HasPrefix(push_option, "fedid=") {
federated_user_identifier := strings.TrimPrefix(push_option, "fedid=")
service, username, found := strings.Cut(federated_user_identifier, ":")
if strings.HasPrefix(pushOpt, "fedid=") {
fedUserID := strings.TrimPrefix(pushOpt, "fedid=")
service, username, found := strings.Cut(fedUserID, ":")
if !found {
wf_error(ssh_stderr, "Invalid federated user identifier %#v does not contain a colon", federated_user_identifier)
writeRedError(sshStderr, "Invalid federated user identifier %#v does not contain a colon", fedUserID)
return 1 }
ok, err := fedauth(ctx, pack_to_hook.user_id, service, username, pack_to_hook.pubkey)
ok, err := fedauth(ctx, packPass.userID, service, username, packPass.pubkey)
if err != nil {
wf_error(ssh_stderr, "Failed to verify federated user identifier %#v: %v", federated_user_identifier, err)
writeRedError(sshStderr, "Failed to verify federated user identifier %#v: %v", fedUserID, err)
return 1
}
if !ok {
wf_error(ssh_stderr, "Failed to verify federated user identifier %#v: you don't seem to be on the list", federated_user_identifier)
writeRedError(sshStderr, "Failed to verify federated user identifier %#v: you don't seem to be on the list", fedUserID)
return 1 } break }
if i == git_push_option_count-1 {
wf_error(ssh_stderr, "This repo requires contributors to be either federated or registered users. You must supply your federated user ID as a push option. For example, git push -o fedid=sr.ht:runxiyu")
if i == pushOptCount-1 {
writeRedError(sshStderr, "This repo requires contributors to be either federated or registered users. You must supply your federated user ID as a push option. For example, git push -o fedid=sr.ht:runxiyu")
return 1
}
}
}
line, err = stdin.ReadString('\n')
if errors.Is(err, io.EOF) {
break
} else if err != nil {
wf_error(ssh_stderr, "Failed to read pre-receive line: %v", err)
writeRedError(sshStderr, "Failed to read pre-receive line: %v", err)
return 1 } line = line[:len(line)-1]
old_oid, rest, found = strings.Cut(line, " ")
oldOID, rest, found = strings.Cut(line, " ")
if !found {
wf_error(ssh_stderr, "Invalid pre-receive line: %v", line)
writeRedError(sshStderr, "Invalid pre-receive line: %v", line)
return 1 }
new_oid, ref_name, found = strings.Cut(rest, " ")
newIOID, refName, found = strings.Cut(rest, " ")
if !found {
wf_error(ssh_stderr, "Invalid pre-receive line: %v", line)
writeRedError(sshStderr, "Invalid pre-receive line: %v", line)
return 1 }
if strings.HasPrefix(ref_name, "refs/heads/contrib/") {
if all_zero_num_string(old_oid) { // New branch
fmt.Fprintln(ssh_stderr, ansiec.Blue+"POK"+ansiec.Reset, ref_name)
var new_mr_id int
if strings.HasPrefix(refName, "refs/heads/contrib/") {
if allZero(oldOID) { // New branch
fmt.Fprintln(sshStderr, ansiec.Blue+"POK"+ansiec.Reset, refName)
var newMRID int
err = database.QueryRow(ctx, "INSERT INTO merge_requests (repo_id, creator, source_ref, status) VALUES ($1, $2, $3, 'open') RETURNING id",
pack_to_hook.repo_id, pack_to_hook.user_id, strings.TrimPrefix(ref_name, "refs/heads/"), ).Scan(&new_mr_id)
packPass.repoID, packPass.userID, strings.TrimPrefix(refName, "refs/heads/"), ).Scan(&newMRID)
if err != nil {
wf_error(ssh_stderr, "Error creating merge request: %v", err)
writeRedError(sshStderr, "Error creating merge request: %v", err)
return 1 }
fmt.Fprintln(ssh_stderr, ansiec.Blue+"Created merge request at", generate_http_remote_url(pack_to_hook.group_path, pack_to_hook.repo_name)+"/contrib/"+strconv.FormatUint(uint64(new_mr_id), 10)+"/"+ansiec.Reset)
fmt.Fprintln(sshStderr, ansiec.Blue+"Created merge request at", generate_http_remote_url(packPass.group_path, packPass.repo_name)+"/contrib/"+strconv.FormatUint(uint64(newMRID), 10)+"/"+ansiec.Reset)
} else { // Existing contrib branch
var existing_merge_request_user_id int var is_ancestor bool
var existingMRUser int var isAncestor bool
err = database.QueryRow(ctx, "SELECT COALESCE(creator, 0) FROM merge_requests WHERE source_ref = $1 AND repo_id = $2",
strings.TrimPrefix(ref_name, "refs/heads/"), pack_to_hook.repo_id, ).Scan(&existing_merge_request_user_id)
strings.TrimPrefix(refName, "refs/heads/"), packPass.repoID, ).Scan(&existingMRUser)
if err != nil {
if errors.Is(err, pgx.ErrNoRows) {
wf_error(ssh_stderr, "No existing merge request for existing contrib branch: %v", err)
writeRedError(sshStderr, "No existing merge request for existing contrib branch: %v", err)
} else {
wf_error(ssh_stderr, "Error querying for existing merge request: %v", err)
writeRedError(sshStderr, "Error querying for existing merge request: %v", err)
} return 1 }
if existing_merge_request_user_id == 0 {
all_ok = false
fmt.Fprintln(ssh_stderr, ansiec.Red+"NAK"+ansiec.Reset, ref_name, "(branch belongs to unowned MR)")
if existingMRUser == 0 {
allOK = false
fmt.Fprintln(sshStderr, ansiec.Red+"NAK"+ansiec.Reset, refName, "(branch belongs to unowned MR)")
continue }
if existing_merge_request_user_id != pack_to_hook.user_id {
all_ok = false
fmt.Fprintln(ssh_stderr, ansiec.Red+"NAK"+ansiec.Reset, ref_name, "(branch belongs another user's MR)")
if existingMRUser != packPass.userID {
allOK = false
fmt.Fprintln(sshStderr, ansiec.Red+"NAK"+ansiec.Reset, refName, "(branch belongs another user's MR)")
continue }
old_hash = plumbing.NewHash(old_oid)
oldHash = plumbing.NewHash(oldOID)
if old_commit, err = pack_to_hook.repo.CommitObject(old_hash); err != nil {
wf_error(ssh_stderr, "Daemon failed to get old commit: %v", err)
if oldCommit, err = packPass.repo.CommitObject(oldHash); err != nil {
writeRedError(sshStderr, "Daemon failed to get old commit: %v", err)
return 1 } // Potential BUG: I'm not sure if new_commit is guaranteed to be // detectable as they haven't been merged into the main repo's // objects yet. But it seems to work, and I don't think there's // any reason for this to only work intermitently.
new_hash = plumbing.NewHash(new_oid)
if new_commit, err = pack_to_hook.repo.CommitObject(new_hash); err != nil {
wf_error(ssh_stderr, "Daemon failed to get new commit: %v", err)
newHash = plumbing.NewHash(newIOID)
if newCommit, err = packPass.repo.CommitObject(newHash); err != nil {
writeRedError(sshStderr, "Daemon failed to get new commit: %v", err)
return 1 }
if is_ancestor, err = old_commit.IsAncestor(new_commit); err != nil {
wf_error(ssh_stderr, "Daemon failed to check if old commit is ancestor: %v", err)
if isAncestor, err = oldCommit.IsAncestor(newCommit); err != nil {
writeRedError(sshStderr, "Daemon failed to check if old commit is ancestor: %v", err)
return 1 }
if !is_ancestor {
if !isAncestor {
// TODO: Create MR snapshot ref instead
all_ok = false fmt.Fprintln(ssh_stderr, ansiec.Red+"NAK"+ansiec.Reset, ref_name, "(force pushes are not supported yet)")
allOK = false fmt.Fprintln(sshStderr, ansiec.Red+"NAK"+ansiec.Reset, refName, "(force pushes are not supported yet)")
continue }
fmt.Fprintln(ssh_stderr, ansiec.Blue+"POK"+ansiec.Reset, ref_name)
fmt.Fprintln(sshStderr, ansiec.Blue+"POK"+ansiec.Reset, refName)
}
} else { // Non-contrib branch
all_ok = false fmt.Fprintln(ssh_stderr, ansiec.Red+"NAK"+ansiec.Reset, ref_name, "(you cannot push to branches outside of contrib/*)")
allOK = false fmt.Fprintln(sshStderr, ansiec.Red+"NAK"+ansiec.Reset, refName, "(you cannot push to branches outside of contrib/*)")
} }
fmt.Fprintln(ssh_stderr)
if all_ok {
fmt.Fprintln(ssh_stderr, "Overall "+ansiec.Green+"ACK"+ansiec.Reset+" (all checks passed)")
fmt.Fprintln(sshStderr)
if allOK {
fmt.Fprintln(sshStderr, "Overall "+ansiec.Green+"ACK"+ansiec.Reset+" (all checks passed)")
return 0
} else {
fmt.Fprintln(ssh_stderr, "Overall "+ansiec.Red+"NAK"+ansiec.Reset+" (one or more branches failed checks)")
fmt.Fprintln(sshStderr, "Overall "+ansiec.Red+"NAK"+ansiec.Reset+" (one or more branches failed checks)")
return 1 } } default:
fmt.Fprintln(ssh_stderr, ansiec.Red+"Invalid hook:", args[0]+ansiec.Reset)
fmt.Fprintln(sshStderr, ansiec.Red+"Invalid hook:", args[0]+ansiec.Reset)
return 1 } }()
fmt.Fprintln(ssh_stderr)
fmt.Fprintln(sshStderr)
_, _ = conn.Write([]byte{hook_return_value})
_, _ = conn.Write([]byte{hookRet})
}
func serveGitHooks(listener net.Listener) error {
for {
conn, err := listener.Accept()
if err != nil {
return err
}
go hooksHandler(conn)
}
}
func getUcred(conn net.Conn) (ucred *syscall.Ucred, err error) {
var unix_conn *net.UnixConn = conn.(*net.UnixConn)
var unixConn *net.UnixConn = conn.(*net.UnixConn)
var fd *os.File
if fd, err = unix_conn.File(); err != nil {
if fd, err = unixConn.File(); err != nil {
return nil, errGetFD
}
defer fd.Close()
if ucred, err = syscall.GetsockoptUcred(int(fd.Fd()), syscall.SOL_SOCKET, syscall.SO_PEERCRED); err != nil {
return nil, errGetUcred
}
return ucred, nil
}
func all_zero_num_string(s string) bool {
func allZero(s string) bool {
for _, r := range s {
if r != '0' {
return false
}
}
return true
}
// SPDX-License-Identifier: AGPL-3.0-only // SPDX-FileContributor: Runxi Yu <https://runxiyu.org> package main import ( "github.com/go-git/go-git/v5"
git_config "github.com/go-git/go-git/v5/config" git_format_config "github.com/go-git/go-git/v5/plumbing/format/config"
gitConfig "github.com/go-git/go-git/v5/config" gitFmtConfig "github.com/go-git/go-git/v5/plumbing/format/config"
)
// git_bare_init_with_default_hooks initializes a bare git repository with the
// gitInit initializes a bare git repository with the
// forge-deployed hooks directory as the hooksPath.
func git_bare_init_with_default_hooks(repo_path string) (err error) {
func gitInit(repoPath string) (err error) {
var repo *git.Repository
var git_config *git_config.Config
var gitConf *gitConfig.Config
if repo, err = git.PlainInit(repo_path, true); err != nil {
if repo, err = git.PlainInit(repoPath, true); err != nil {
return err }
if git_config, err = repo.Config(); err != nil {
if gitConf, err = repo.Config(); err != nil {
return err }
git_config.Raw.SetOption("core", git_format_config.NoSubsection, "hooksPath", config.Hooks.Execs)
git_config.Raw.SetOption("receive", git_format_config.NoSubsection, "advertisePushOptions", "true")
gitConf.Raw.SetOption("core", gitFmtConfig.NoSubsection, "hooksPath", config.Hooks.Execs)
gitConf.Raw.SetOption("receive", gitFmtConfig.NoSubsection, "advertisePushOptions", "true")
if err = repo.SetConfig(git_config); err != nil {
if err = repo.SetConfig(gitConf); err != nil {
return err } return nil }
// SPDX-License-Identifier: AGPL-3.0-only // SPDX-FileContributor: Runxi Yu <https://runxiyu.org> package main import ( "context" "errors" "io" "os" "strings" "github.com/go-git/go-git/v5" "github.com/go-git/go-git/v5/plumbing" "github.com/go-git/go-git/v5/plumbing/object" "github.com/jackc/pgx/v5/pgtype" )
// open_git_repo opens a git repository by group and repo name.
func open_git_repo(ctx context.Context, group_path []string, repo_name string) (repo *git.Repository, description string, repo_id int, err error) {
var fs_path string
// openRepo opens a git repository by group and repo name.
func openRepo(ctx context.Context, groupPath []string, repoName string) (repo *git.Repository, description string, repoID int, err error) {
var fsPath string
err = database.QueryRow(ctx, ` WITH RECURSIVE group_path_cte AS ( -- Start: match the first name in the path where parent_group IS NULL SELECT id, parent_group, name, 1 AS depth FROM groups WHERE name = ($1::text[])[1] AND parent_group IS NULL UNION ALL -- Recurse: join next segment of the path SELECT g.id, g.parent_group, g.name, group_path_cte.depth + 1 FROM groups g JOIN group_path_cte ON g.parent_group = group_path_cte.id WHERE g.name = ($1::text[])[group_path_cte.depth + 1] AND group_path_cte.depth + 1 <= cardinality($1::text[]) ) SELECT r.filesystem_path, COALESCE(r.description, ''), r.id FROM group_path_cte g JOIN repos r ON r.group_id = g.id WHERE g.depth = cardinality($1::text[]) AND r.name = $2
`, pgtype.FlatArray[string](group_path), repo_name).Scan(&fs_path, &description, &repo_id)
`, pgtype.FlatArray[string](groupPath), repoName).Scan(&fsPath, &description, &repoID)
if err != nil {
return
}
repo, err = git.PlainOpen(fs_path)
repo, err = git.PlainOpen(fsPath)
return } // go-git's tree entries are not friendly for use in HTML templates.
type display_git_tree_entry_t struct {
type displayTreeEntry struct {
Name string Mode string Size int64
Is_file bool Is_subtree bool
IsFile bool IsSubtree bool
}
func build_display_git_tree(tree *object.Tree) (display_git_tree []display_git_tree_entry_t) {
func makeDisplayTree(tree *object.Tree) (displayTree []displayTreeEntry) {
for _, entry := range tree.Entries {
display_git_tree_entry := display_git_tree_entry_t{}
displayEntry := displayTreeEntry{}
var err error
var os_mode os.FileMode
var osMode os.FileMode
if os_mode, err = entry.Mode.ToOSFileMode(); err != nil {
display_git_tree_entry.Mode = "x---------"
if osMode, err = entry.Mode.ToOSFileMode(); err != nil {
displayEntry.Mode = "x---------"
} else {
display_git_tree_entry.Mode = os_mode.String()
displayEntry.Mode = osMode.String()
}
display_git_tree_entry.Is_file = entry.Mode.IsFile()
displayEntry.IsFile = entry.Mode.IsFile()
if display_git_tree_entry.Size, err = tree.Size(entry.Name); err != nil {
display_git_tree_entry.Size = 0
if displayEntry.Size, err = tree.Size(entry.Name); err != nil {
displayEntry.Size = 0
}
display_git_tree_entry.Name = strings.TrimPrefix(entry.Name, "/")
displayEntry.Name = strings.TrimPrefix(entry.Name, "/")
display_git_tree = append(display_git_tree, display_git_tree_entry)
displayTree = append(displayTree, displayEntry)
}
return display_git_tree
return displayTree
}
func get_recent_commits(repo *git.Repository, head_hash plumbing.Hash, number_of_commits int) (recent_commits []*object.Commit, err error) {
var commit_iter object.CommitIter
var this_recent_commit *object.Commit
func getRecentCommits(repo *git.Repository, headHash plumbing.Hash, numCommits int) (recentCommits []*object.Commit, err error) {
var commitIter object.CommitIter
var thisCommit *object.Commit
commit_iter, err = repo.Log(&git.LogOptions{From: head_hash})
commitIter, err = repo.Log(&git.LogOptions{From: headHash})
if err != nil {
return nil, err
}
recent_commits = make([]*object.Commit, 0)
defer commit_iter.Close()
if number_of_commits < 0 {
recentCommits = make([]*object.Commit, 0)
defer commitIter.Close()
if numCommits < 0 {
for {
this_recent_commit, err = commit_iter.Next()
thisCommit, err = commitIter.Next()
if errors.Is(err, io.EOF) {
return recent_commits, nil
return recentCommits, nil
} else if err != nil {
return nil, err
}
recent_commits = append(recent_commits, this_recent_commit)
recentCommits = append(recentCommits, thisCommit)
}
} else {
for range number_of_commits {
this_recent_commit, err = commit_iter.Next()
for range numCommits {
thisCommit, err = commitIter.Next()
if errors.Is(err, io.EOF) {
return recent_commits, nil
return recentCommits, nil
} else if err != nil {
return nil, err
}
recent_commits = append(recent_commits, this_recent_commit)
recentCommits = append(recentCommits, thisCommit)
} }
return recent_commits, err
return recentCommits, err
}
func get_patch_from_commit(commit_object *object.Commit) (parent_commit_hash plumbing.Hash, patch *object.Patch, err error) {
var parent_commit_object *object.Commit
var commit_tree *object.Tree
func fmtCommitAsPatch(commit *object.Commit) (parentCommitHash plumbing.Hash, patch *object.Patch, err error) {
var parentCommit *object.Commit
var commitTree *object.Tree
parent_commit_object, err = commit_object.Parent(0)
parentCommit, err = commit.Parent(0)
if errors.Is(err, object.ErrParentNotFound) {
if commit_tree, err = commit_object.Tree(); err != nil {
if commitTree, err = commit.Tree(); err != nil {
return }
if patch, err = (&object.Tree{}).Patch(commit_tree); err != nil {
if patch, err = (&object.Tree{}).Patch(commitTree); err != nil {
return
}
} else if err != nil {
return
} else {
parent_commit_hash = parent_commit_object.Hash
if patch, err = parent_commit_object.Patch(commit_object); err != nil {
parentCommitHash = parentCommit.Hash
if patch, err = parentCommit.Patch(commit); err != nil {
return } } return }
// SPDX-License-Identifier: AGPL-3.0-only // SPDX-FileContributor: Runxi Yu <https://runxiyu.org> package main import ( "github.com/go-git/go-git/v5" "github.com/go-git/go-git/v5/plumbing" )
// get_ref_hash_from_type_and_name returns the hash of a reference given its
// getRefHash returns the hash of a reference given its
// type and name as supplied in URL queries.
func get_ref_hash_from_type_and_name(repo *git.Repository, ref_type, ref_name string) (ref_hash plumbing.Hash, err error) {
func getRefHash(repo *git.Repository, ref_type, ref_name string) (ref_hash plumbing.Hash, err error) {
var ref *plumbing.Reference
switch ref_type {
case "":
if ref, err = repo.Head(); err != nil {
return
}
ref_hash = ref.Hash()
case "commit":
ref_hash = plumbing.NewHash(ref_name)
case "branch":
if ref, err = repo.Reference(plumbing.NewBranchReferenceName(ref_name), true); err != nil {
return
}
ref_hash = ref.Hash()
case "tag":
if ref, err = repo.Reference(plumbing.NewTagReferenceName(ref_name), true); err != nil {
return
}
ref_hash = ref.Hash()
default:
panic("Invalid ref type " + ref_type)
}
return
}
// SPDX-License-Identifier: AGPL-3.0-only
// SPDX-FileContributor: Runxi Yu <https://runxiyu.org>
package main
import (
"net/http"
"path/filepath"
"strconv"
"github.com/jackc/pgx/v5"
"github.com/jackc/pgx/v5/pgtype"
)
func handle_group_index(w http.ResponseWriter, r *http.Request, params map[string]any) {
var group_path []string
var repos []nameDesc
var subgroups []nameDesc
var err error
var group_id int
var group_description string
group_path = params["group_path"].([]string)
// The group itself
err = database.QueryRow(r.Context(), `
WITH RECURSIVE group_path_cte AS (
SELECT
id,
parent_group,
name,
1 AS depth
FROM groups
WHERE name = ($1::text[])[1]
AND parent_group IS NULL
UNION ALL
SELECT
g.id,
g.parent_group,
g.name,
group_path_cte.depth + 1
FROM groups g
JOIN group_path_cte ON g.parent_group = group_path_cte.id
WHERE g.name = ($1::text[])[group_path_cte.depth + 1]
AND group_path_cte.depth + 1 <= cardinality($1::text[])
)
SELECT c.id, COALESCE(g.description, '')
FROM group_path_cte c
JOIN groups g ON g.id = c.id
WHERE c.depth = cardinality($1::text[])
`,
pgtype.FlatArray[string](group_path),
).Scan(&group_id, &group_description)
if err == pgx.ErrNoRows {
http.Error(w, "Group not found", http.StatusNotFound)
return
} else if err != nil {
http.Error(w, "Error getting group: "+err.Error(), http.StatusInternalServerError)
return
}
// ACL
var count int
err = database.QueryRow(r.Context(), `
SELECT COUNT(*)
FROM user_group_roles
WHERE user_id = $1
AND group_id = $2
`, params["user_id"].(int), group_id).Scan(&count)
if err != nil {
http.Error(w, "Error checking access: "+err.Error(), http.StatusInternalServerError)
return
}
direct_access := (count > 0)
if r.Method == "POST" {
if !direct_access {
http.Error(w, "You do not have direct access to this group", http.StatusForbidden)
return
}
repo_name := r.FormValue("repo_name")
repo_description := r.FormValue("repo_desc")
contrib_requirements := r.FormValue("repo_contrib")
if repo_name == "" {
http.Error(w, "Repo name is required", http.StatusBadRequest)
return
}
var new_repo_id int
err := database.QueryRow(
r.Context(),
`INSERT INTO repos (name, description, group_id, contrib_requirements)
VALUES ($1, $2, $3, $4)
RETURNING id`,
repo_name,
repo_description,
group_id,
contrib_requirements,
).Scan(&new_repo_id)
if err != nil {
http.Error(w, "Error creating repo: "+err.Error(), http.StatusInternalServerError)
return
}
file_path := filepath.Join(config.Git.RepoDir, strconv.Itoa(new_repo_id)+".git")
_, err = database.Exec(
r.Context(),
`UPDATE repos
SET filesystem_path = $1
WHERE id = $2`,
file_path,
new_repo_id,
)
if err != nil {
http.Error(w, "Error updating repo path: "+err.Error(), http.StatusInternalServerError)
return
}
if err = git_bare_init_with_default_hooks(file_path); err != nil {
if err = gitInit(file_path); err != nil {
http.Error(w, "Error initializing repo: "+err.Error(), http.StatusInternalServerError)
return
}
redirect_unconditionally(w, r)
return
}
// Repos
var rows pgx.Rows
rows, err = database.Query(r.Context(), `
SELECT name, COALESCE(description, '')
FROM repos
WHERE group_id = $1
`, group_id)
if err != nil {
http.Error(w, "Error getting repos: "+err.Error(), http.StatusInternalServerError)
return
}
defer rows.Close()
for rows.Next() {
var name, description string
if err = rows.Scan(&name, &description); err != nil {
http.Error(w, "Error getting repos: "+err.Error(), http.StatusInternalServerError)
return
}
repos = append(repos, nameDesc{name, description})
}
if err = rows.Err(); err != nil {
http.Error(w, "Error getting repos: "+err.Error(), http.StatusInternalServerError)
return
}
// Subgroups
rows, err = database.Query(r.Context(), `
SELECT name, COALESCE(description, '')
FROM groups
WHERE parent_group = $1
`, group_id)
if err != nil {
http.Error(w, "Error getting subgroups: "+err.Error(), http.StatusInternalServerError)
return
}
defer rows.Close()
for rows.Next() {
var name, description string
if err = rows.Scan(&name, &description); err != nil {
http.Error(w, "Error getting subgroups: "+err.Error(), http.StatusInternalServerError)
return
}
subgroups = append(subgroups, nameDesc{name, description})
}
if err = rows.Err(); err != nil {
http.Error(w, "Error getting subgroups: "+err.Error(), http.StatusInternalServerError)
return
}
params["repos"] = repos
params["subgroups"] = subgroups
params["description"] = group_description
params["direct_access"] = direct_access
render_template(w, "group", params)
}
// SPDX-License-Identifier: AGPL-3.0-only
// SPDX-FileContributor: Runxi Yu <https://runxiyu.org>
package main
import (
"fmt"
"net/http"
"strings"
"github.com/go-git/go-git/v5"
"github.com/go-git/go-git/v5/plumbing"
"github.com/go-git/go-git/v5/plumbing/filemode"
"github.com/go-git/go-git/v5/plumbing/format/diff"
"github.com/go-git/go-git/v5/plumbing/object"
"go.lindenii.runxiyu.org/lindenii-common/misc"
)
// The file patch type from go-git isn't really usable in HTML templates
// either.
type usable_file_patch_t struct {
From diff.File
To diff.File
Chunks []usable_chunk
}
type usable_chunk struct {
Operation diff.Operation
Content string
}
func handle_repo_commit(w http.ResponseWriter, r *http.Request, params map[string]any) {
var repo *git.Repository
var commit_id_specified_string, commit_id_specified_string_without_suffix string
var commit_id plumbing.Hash
var parent_commit_hash plumbing.Hash
var commit_object *object.Commit
var commit_id_string string
var err error
var patch *object.Patch
repo, commit_id_specified_string = params["repo"].(*git.Repository), params["commit_id"].(string)
commit_id_specified_string_without_suffix = strings.TrimSuffix(commit_id_specified_string, ".patch")
commit_id = plumbing.NewHash(commit_id_specified_string_without_suffix)
if commit_object, err = repo.CommitObject(commit_id); err != nil {
http.Error(w, "Error getting commit object: "+err.Error(), http.StatusInternalServerError)
return
}
if commit_id_specified_string_without_suffix != commit_id_specified_string {
var formatted_patch string
if formatted_patch, err = fmtCommitPatch(commit_object); err != nil {
http.Error(w, "Error formatting patch: "+err.Error(), http.StatusInternalServerError)
return
}
fmt.Fprintln(w, formatted_patch)
return
}
commit_id_string = commit_object.Hash.String()
if commit_id_string != commit_id_specified_string {
http.Redirect(w, r, commit_id_string, http.StatusSeeOther)
return
}
params["commit_object"] = commit_object
params["commit_id"] = commit_id_string
parent_commit_hash, patch, err = get_patch_from_commit(commit_object)
parent_commit_hash, patch, err = fmtCommitAsPatch(commit_object)
if err != nil {
http.Error(w, "Error getting patch from commit: "+err.Error(), http.StatusInternalServerError)
return
}
params["parent_commit_hash"] = parent_commit_hash.String()
params["patch"] = patch
params["file_patches"] = make_usable_file_patches(patch)
render_template(w, "repo_commit", params)
}
type fake_diff_file struct {
hash plumbing.Hash
mode filemode.FileMode
path string
}
func (f fake_diff_file) Hash() plumbing.Hash {
return f.hash
}
func (f fake_diff_file) Mode() filemode.FileMode {
return f.mode
}
func (f fake_diff_file) Path() string {
return f.path
}
var fake_diff_file_null = fake_diff_file{
hash: plumbing.NewHash("0000000000000000000000000000000000000000"),
mode: misc.First_or_panic(filemode.New("100644")),
path: "",
}
func make_usable_file_patches(patch diff.Patch) (usable_file_patches []usable_file_patch_t) {
// TODO: Remove unnecessary context
// TODO: Prepend "+"/"-"/" " instead of solely distinguishing based on color
for _, file_patch := range patch.FilePatches() {
var from, to diff.File
var usable_file_patch usable_file_patch_t
chunks := []usable_chunk{}
from, to = file_patch.Files()
if from == nil {
from = fake_diff_file_null
}
if to == nil {
to = fake_diff_file_null
}
for _, chunk := range file_patch.Chunks() {
var content string
content = chunk.Content()
if len(content) > 0 && content[0] == '\n' {
content = "\n" + content
} // Horrible hack to fix how browsers newlines that immediately proceed <pre>
chunks = append(chunks, usable_chunk{
Operation: chunk.Type(),
Content: content,
})
}
usable_file_patch = usable_file_patch_t{
Chunks: chunks,
From: from,
To: to,
}
usable_file_patches = append(usable_file_patches, usable_file_patch)
}
return
}
// SPDX-License-Identifier: AGPL-3.0-only
// SPDX-FileContributor: Runxi Yu <https://runxiyu.org>
package main
import (
"net/http"
"strconv"
"github.com/go-git/go-git/v5"
"github.com/go-git/go-git/v5/plumbing"
"github.com/go-git/go-git/v5/plumbing/object"
)
func handle_repo_contrib_one(w http.ResponseWriter, r *http.Request, params map[string]any) {
var mr_id_string string
var mr_id int
var err error
var title, status, source_ref, destination_branch string
var repo *git.Repository
var source_ref_hash plumbing.Hash
var source_commit, destination_commit, merge_base *object.Commit
var merge_bases []*object.Commit
mr_id_string = params["mr_id"].(string)
mr_id_int64, err := strconv.ParseInt(mr_id_string, 10, strconv.IntSize)
if err != nil {
http.Error(w, "Merge request ID not an integer: "+err.Error(), http.StatusBadRequest)
return
}
mr_id = int(mr_id_int64)
if err = database.QueryRow(r.Context(),
"SELECT COALESCE(title, ''), status, source_ref, COALESCE(destination_branch, '') FROM merge_requests WHERE id = $1",
mr_id,
).Scan(&title, &status, &source_ref, &destination_branch); err != nil {
http.Error(w, "Error querying merge request: "+err.Error(), http.StatusInternalServerError)
return
}
repo = params["repo"].(*git.Repository)
if source_ref_hash, err = get_ref_hash_from_type_and_name(repo, "branch", source_ref); err != nil {
if source_ref_hash, err = getRefHash(repo, "branch", source_ref); err != nil {
http.Error(w, "Error getting source ref hash: "+err.Error(), http.StatusInternalServerError)
return
}
if source_commit, err = repo.CommitObject(source_ref_hash); err != nil {
http.Error(w, "Error getting source commit: "+err.Error(), http.StatusInternalServerError)
return
}
params["source_commit"] = source_commit
var destination_branch_hash plumbing.Hash
if destination_branch == "" {
destination_branch = "HEAD"
destination_branch_hash, err = get_ref_hash_from_type_and_name(repo, "", "")
destination_branch_hash, err = getRefHash(repo, "", "")
} else {
destination_branch_hash, err = get_ref_hash_from_type_and_name(repo, "branch", destination_branch)
destination_branch_hash, err = getRefHash(repo, "branch", destination_branch)
}
if err != nil {
http.Error(w, "Error getting destination branch hash: "+err.Error(), http.StatusInternalServerError)
return
}
if destination_commit, err = repo.CommitObject(destination_branch_hash); err != nil {
http.Error(w, "Error getting destination commit: "+err.Error(), http.StatusInternalServerError)
return
}
params["destination_commit"] = destination_commit
if merge_bases, err = source_commit.MergeBase(destination_commit); err != nil {
http.Error(w, "Error getting merge base: "+err.Error(), http.StatusInternalServerError)
return
}
merge_base = merge_bases[0]
params["merge_base"] = merge_base
patch, err := merge_base.Patch(source_commit)
if err != nil {
http.Error(w, "Error getting patch: "+err.Error(), http.StatusInternalServerError)
return
}
params["file_patches"] = make_usable_file_patches(patch)
params["mr_title"], params["mr_status"], params["mr_source_ref"], params["mr_destination_branch"] = title, status, source_ref, destination_branch
render_template(w, "repo_contrib_one", params)
}
// SPDX-License-Identifier: AGPL-3.0-only
// SPDX-FileContributor: Runxi Yu <https://runxiyu.org>
package main
import (
"net/http"
"strings"
"github.com/go-git/go-git/v5"
"github.com/go-git/go-git/v5/plumbing"
"github.com/go-git/go-git/v5/plumbing/object"
"github.com/go-git/go-git/v5/plumbing/storer"
)
func handle_repo_index(w http.ResponseWriter, r *http.Request, params map[string]any) {
var repo *git.Repository
var repo_name string
var group_path []string
var ref_hash plumbing.Hash
var err error
var recent_commits []*object.Commit
var commit_object *object.Commit
var tree *object.Tree
var notes []string
var branches []string
var branches_ storer.ReferenceIter
repo, repo_name, group_path = params["repo"].(*git.Repository), params["repo_name"].(string), params["group_path"].([]string)
if strings.Contains(repo_name, "\n") || slice_contains_newline(group_path) {
notes = append(notes, "Path contains newlines; HTTP Git access impossible")
}
ref_hash, err = get_ref_hash_from_type_and_name(repo, params["ref_type"].(string), params["ref_name"].(string))
ref_hash, err = getRefHash(repo, params["ref_type"].(string), params["ref_name"].(string))
if err != nil {
goto no_ref
}
branches_, err = repo.Branches()
if err != nil {
}
err = branches_.ForEach(func(branch *plumbing.Reference) error {
branches = append(branches, branch.Name().Short())
return nil
})
if err != nil {
}
params["branches"] = branches
if recent_commits, err = get_recent_commits(repo, ref_hash, 3); err != nil {
if recent_commits, err = getRecentCommits(repo, ref_hash, 3); err != nil {
goto no_ref
}
params["commits"] = recent_commits
if commit_object, err = repo.CommitObject(ref_hash); err != nil {
goto no_ref
}
if tree, err = commit_object.Tree(); err != nil {
goto no_ref
}
params["files"] = build_display_git_tree(tree)
params["files"] = makeDisplayTree(tree)
params["readme_filename"], params["readme"] = render_readme_at_tree(tree) no_ref: params["http_clone_url"] = generate_http_remote_url(group_path, repo_name) params["ssh_clone_url"] = generate_ssh_remote_url(group_path, repo_name) params["notes"] = notes render_template(w, "repo_index", params) }
// SPDX-License-Identifier: AGPL-3.0-only
// SPDX-FileContributor: Runxi Yu <https://runxiyu.org>
package main
import (
"net/http"
"github.com/go-git/go-git/v5"
"github.com/go-git/go-git/v5/plumbing"
"github.com/go-git/go-git/v5/plumbing/object"
)
// TODO: I probably shouldn't include *all* commits here...
func handle_repo_log(w http.ResponseWriter, r *http.Request, params map[string]any) {
var repo *git.Repository
var ref_hash plumbing.Hash
var err error
var commits []*object.Commit
repo = params["repo"].(*git.Repository)
if ref_hash, err = get_ref_hash_from_type_and_name(repo, params["ref_type"].(string), params["ref_name"].(string)); err != nil {
if ref_hash, err = getRefHash(repo, params["ref_type"].(string), params["ref_name"].(string)); err != nil {
http.Error(w, "Error getting ref hash: "+err.Error(), http.StatusInternalServerError) return }
if commits, err = get_recent_commits(repo, ref_hash, -1); err != nil {
if commits, err = getRecentCommits(repo, ref_hash, -1); err != nil {
http.Error(w, "Error getting recent commits: "+err.Error(), http.StatusInternalServerError) return } params["commits"] = commits render_template(w, "repo_log", params) }
// SPDX-License-Identifier: AGPL-3.0-only
// SPDX-FileContributor: Runxi Yu <https://runxiyu.org>
package main
import (
"fmt"
"net/http"
"path"
"strings"
"github.com/go-git/go-git/v5"
"github.com/go-git/go-git/v5/plumbing"
"github.com/go-git/go-git/v5/plumbing/object"
)
func handle_repo_raw(w http.ResponseWriter, r *http.Request, params map[string]any) {
var raw_path_spec, path_spec string
var repo *git.Repository
var ref_hash plumbing.Hash
var commit_object *object.Commit
var tree *object.Tree
var err error
raw_path_spec = params["rest"].(string)
repo, path_spec = params["repo"].(*git.Repository), strings.TrimSuffix(raw_path_spec, "/")
params["path_spec"] = path_spec
if ref_hash, err = get_ref_hash_from_type_and_name(repo, params["ref_type"].(string), params["ref_name"].(string)); err != nil {
if ref_hash, err = getRefHash(repo, params["ref_type"].(string), params["ref_name"].(string)); err != nil {
http.Error(w, "Error getting ref hash: "+err.Error(), http.StatusInternalServerError)
return
}
if commit_object, err = repo.CommitObject(ref_hash); err != nil {
http.Error(w, "Error getting commit object: "+err.Error(), http.StatusInternalServerError)
return
}
if tree, err = commit_object.Tree(); err != nil {
http.Error(w, "Error getting file tree: "+err.Error(), http.StatusInternalServerError)
return
}
var target *object.Tree
if path_spec == "" {
target = tree
} else {
if target, err = tree.Tree(path_spec); err != nil {
var file *object.File
var file_contents string
if file, err = tree.File(path_spec); err != nil {
http.Error(w, "Error retrieving path: "+err.Error(), http.StatusInternalServerError)
return
}
if len(raw_path_spec) != 0 && raw_path_spec[len(raw_path_spec)-1] == '/' {
http.Redirect(w, r, "../"+path_spec, http.StatusSeeOther)
return
}
if file_contents, err = file.Contents(); err != nil {
http.Error(w, "Error reading file: "+err.Error(), http.StatusInternalServerError)
return
}
fmt.Fprint(w, file_contents)
return
}
}
if len(raw_path_spec) != 0 && raw_path_spec[len(raw_path_spec)-1] != '/' {
http.Redirect(w, r, path.Base(path_spec)+"/", http.StatusSeeOther)
return
}
params["files"] = build_display_git_tree(target)
params["files"] = makeDisplayTree(target)
render_template(w, "repo_raw_dir", params) }
// SPDX-License-Identifier: AGPL-3.0-only
// SPDX-FileContributor: Runxi Yu <https://runxiyu.org>
package main
import (
"bytes"
"html/template"
"net/http"
"path"
"strings"
"github.com/alecthomas/chroma/v2"
chroma_formatters_html "github.com/alecthomas/chroma/v2/formatters/html"
chroma_lexers "github.com/alecthomas/chroma/v2/lexers"
chroma_styles "github.com/alecthomas/chroma/v2/styles"
"github.com/go-git/go-git/v5"
"github.com/go-git/go-git/v5/plumbing"
"github.com/go-git/go-git/v5/plumbing/object"
)
func handle_repo_tree(w http.ResponseWriter, r *http.Request, params map[string]any) {
var raw_path_spec, path_spec string
var repo *git.Repository
var ref_hash plumbing.Hash
var commit_object *object.Commit
var tree *object.Tree
var err error
raw_path_spec = params["rest"].(string)
repo, path_spec = params["repo"].(*git.Repository), strings.TrimSuffix(raw_path_spec, "/")
params["path_spec"] = path_spec
if ref_hash, err = get_ref_hash_from_type_and_name(repo, params["ref_type"].(string), params["ref_name"].(string)); err != nil {
if ref_hash, err = getRefHash(repo, params["ref_type"].(string), params["ref_name"].(string)); err != nil {
http.Error(w, "Error getting ref hash: "+err.Error(), http.StatusInternalServerError)
return
}
if commit_object, err = repo.CommitObject(ref_hash); err != nil {
http.Error(w, "Error getting commit object: "+err.Error(), http.StatusInternalServerError)
return
}
if tree, err = commit_object.Tree(); err != nil {
http.Error(w, "Error getting file tree: "+err.Error(), http.StatusInternalServerError)
return
}
var target *object.Tree
if path_spec == "" {
target = tree
} else {
if target, err = tree.Tree(path_spec); err != nil {
var file *object.File
var file_contents string
var lexer chroma.Lexer
var iterator chroma.Iterator
var style *chroma.Style
var formatter *chroma_formatters_html.Formatter
var formatted_encapsulated template.HTML
if file, err = tree.File(path_spec); err != nil {
http.Error(w, "Error retrieving path: "+err.Error(), http.StatusInternalServerError)
return
}
if len(raw_path_spec) != 0 && raw_path_spec[len(raw_path_spec)-1] == '/' {
http.Redirect(w, r, "../"+path_spec, http.StatusSeeOther)
return
}
if file_contents, err = file.Contents(); err != nil {
http.Error(w, "Error reading file: "+err.Error(), http.StatusInternalServerError)
return
}
lexer = chroma_lexers.Match(path_spec)
if lexer == nil {
lexer = chroma_lexers.Fallback
}
if iterator, err = lexer.Tokenise(nil, file_contents); err != nil {
http.Error(w, "Error tokenizing code: "+err.Error(), http.StatusInternalServerError)
return
}
var formatted_unencapsulated bytes.Buffer
style = chroma_styles.Get("autumn")
formatter = chroma_formatters_html.New(chroma_formatters_html.WithClasses(true), chroma_formatters_html.TabWidth(8))
if err = formatter.Format(&formatted_unencapsulated, style, iterator); err != nil {
http.Error(w, "Error formatting code: "+err.Error(), http.StatusInternalServerError)
return
}
formatted_encapsulated = template.HTML(formatted_unencapsulated.Bytes()) //#nosec G203
params["file_contents"] = formatted_encapsulated
render_template(w, "repo_tree_file", params)
return
}
}
if len(raw_path_spec) != 0 && raw_path_spec[len(raw_path_spec)-1] != '/' {
http.Redirect(w, r, path.Base(path_spec)+"/", http.StatusSeeOther)
return
}
params["readme_filename"], params["readme"] = render_readme_at_tree(target)
params["files"] = build_display_git_tree(target)
params["files"] = makeDisplayTree(target)
render_template(w, "repo_tree_dir", params) }
// SPDX-License-Identifier: AGPL-3.0-only
// SPDX-FileContributor: Runxi Yu <https://runxiyu.org>
package main
import (
"errors"
"fmt"
"net/http"
"strconv"
"strings"
"github.com/jackc/pgx/v5"
"go.lindenii.runxiyu.org/lindenii-common/clog"
)
type httpRouter struct{}
func (router *httpRouter) ServeHTTP(w http.ResponseWriter, r *http.Request) {
clog.Info("Incoming HTTP: " + r.RemoteAddr + " " + r.Method + " " + r.RequestURI)
var segments []string
var err error
var non_empty_last_segments_len int
var separator_index int
params := make(map[string]any)
if segments, _, err = parse_request_uri(r.RequestURI); err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
non_empty_last_segments_len = len(segments)
if segments[len(segments)-1] == "" {
non_empty_last_segments_len--
}
if segments[0] == ":" {
if len(segments) < 2 {
http.Error(w, "Blank system endpoint", http.StatusNotFound)
return
} else if len(segments) == 2 && redirect_with_slash(w, r) {
return
}
switch segments[1] {
case "static":
static_handler.ServeHTTP(w, r)
return
case "source":
source_handler.ServeHTTP(w, r)
return
}
}
params["url_segments"] = segments
params["global"] = globalData
var _user_id int // 0 for none
_user_id, params["username"], err = get_user_info_from_request(r)
params["user_id"] = _user_id
if errors.Is(err, http.ErrNoCookie) {
} else if errors.Is(err, pgx.ErrNoRows) {
} else if err != nil {
http.Error(w, "Error getting user info from request: "+err.Error(), http.StatusInternalServerError)
return
}
if _user_id == 0 {
params["user_id_string"] = ""
} else {
params["user_id_string"] = strconv.Itoa(_user_id)
}
if segments[0] == ":" {
switch segments[1] {
case "login":
handle_login(w, r, params)
return
case "users":
handle_users(w, r, params)
return
case "gc":
handle_gc(w, r, params)
return
default:
http.Error(w, fmt.Sprintf("Unknown system module type: %s", segments[1]), http.StatusNotFound)
return
}
}
separator_index = -1
for i, part := range segments {
if part == ":" {
separator_index = i
break
}
}
params["separator_index"] = separator_index
var group_path []string
var module_type string
var module_name string
if separator_index > 0 {
group_path = segments[:separator_index]
} else {
group_path = segments[:len(segments)-1]
}
params["group_path"] = group_path
switch {
case non_empty_last_segments_len == 0:
handle_index(w, r, params)
case separator_index == -1:
if redirect_with_slash(w, r) {
return
}
handle_group_index(w, r, params)
case non_empty_last_segments_len == separator_index+1:
http.Error(w, "Illegal path 1", http.StatusNotImplemented)
return
case non_empty_last_segments_len == separator_index+2:
http.Error(w, "Illegal path 2", http.StatusNotImplemented)
return
default:
module_type = segments[separator_index+1]
module_name = segments[separator_index+2]
switch module_type {
case "repos":
params["repo_name"] = module_name
if non_empty_last_segments_len > separator_index+3 {
switch segments[separator_index+3] {
case "info":
if err = handle_repo_info(w, r, params); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
}
return
case "git-upload-pack":
if err = handle_upload_pack(w, r, params); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
}
return
}
}
if params["ref_type"], params["ref_name"], err = get_param_ref_and_type(r); err != nil {
if errors.Is(err, err_no_ref_spec) {
params["ref_type"] = ""
} else {
http.Error(w, "Error querying ref type: "+err.Error(), http.StatusInternalServerError)
return
}
}
// TODO: subgroups
if params["repo"], params["repo_description"], params["repo_id"], err = open_git_repo(r.Context(), group_path, module_name); err != nil {
if params["repo"], params["repo_description"], params["repo_id"], err = openRepo(r.Context(), group_path, module_name); err != nil {
http.Error(w, "Error opening repo: "+err.Error(), http.StatusInternalServerError)
return
}
if non_empty_last_segments_len == separator_index+3 {
if redirect_with_slash(w, r) {
return
}
handle_repo_index(w, r, params)
return
}
repo_feature := segments[separator_index+3]
switch repo_feature {
case "tree":
params["rest"] = strings.Join(segments[separator_index+4:], "/")
if len(segments) < separator_index+5 && redirect_with_slash(w, r) {
return
}
handle_repo_tree(w, r, params)
case "raw":
params["rest"] = strings.Join(segments[separator_index+4:], "/")
if len(segments) < separator_index+5 && redirect_with_slash(w, r) {
return
}
handle_repo_raw(w, r, params)
case "log":
if non_empty_last_segments_len > separator_index+4 {
http.Error(w, "Too many parameters", http.StatusBadRequest)
return
}
if redirect_with_slash(w, r) {
return
}
handle_repo_log(w, r, params)
case "commit":
if redirect_without_slash(w, r) {
return
}
params["commit_id"] = segments[separator_index+4]
handle_repo_commit(w, r, params)
case "contrib":
if redirect_with_slash(w, r) {
return
}
switch non_empty_last_segments_len {
case separator_index + 4:
handle_repo_contrib_index(w, r, params)
case separator_index + 5:
params["mr_id"] = segments[separator_index+4]
handle_repo_contrib_one(w, r, params)
default:
http.Error(w, "Too many parameters", http.StatusBadRequest)
}
default:
http.Error(w, fmt.Sprintf("Unknown repo feature: %s", repo_feature), http.StatusNotFound)
}
default:
http.Error(w, fmt.Sprintf("Unknown module type: %s", module_type), http.StatusNotFound)
}
}
}
// SPDX-License-Identifier: AGPL-3.0-only // SPDX-FileContributor: Runxi Yu <https://runxiyu.org> package main import ( "errors" "fmt" "os" "os/exec" glider_ssh "github.com/gliderlabs/ssh" "github.com/go-git/go-git/v5" "go.lindenii.runxiyu.org/lindenii-common/cmap" )
type pack_to_hook_t struct {
type packPass struct {
session glider_ssh.Session repo *git.Repository pubkey string
direct_access bool
directAccess bool
repo_path string
user_id int user_type string repo_id int
userID int userType string repoID int
group_path []string repo_name string
contrib_requirements string
contribReq string
}
var pack_to_hook_by_cookie = cmap.Map[string, pack_to_hook_t]{}
var packPasses = cmap.Map[string, packPass]{}
// ssh_handle_receive_pack handles attempts to push to repos.
func ssh_handle_receive_pack(session glider_ssh.Session, pubkey, repo_identifier string) (err error) {
group_path, repo_name, repo_id, repo_path, direct_access, contrib_requirements, user_type, user_id, err := get_repo_path_perms_from_ssh_path_pubkey(session.Context(), repo_identifier, pubkey)
if err != nil {
return err
}
repo, err := git.PlainOpen(repo_path)
if err != nil {
return err
}
repo_config, err := repo.Config()
if err != nil {
return err
}
repo_config_core := repo_config.Raw.Section("core")
if repo_config_core == nil {
return errors.New("Repository has no core section in config")
}
hooksPath := repo_config_core.OptionAll("hooksPath")
if len(hooksPath) != 1 || hooksPath[0] != config.Hooks.Execs {
return errors.New("Repository has hooksPath set to an unexpected value")
}
if !direct_access {
switch contrib_requirements {
case "closed":
if !direct_access {
return errors.New("You need direct access to push to this repo.")
}
case "registered_user":
if user_type != "registered" {
return errors.New("You need to be a registered user to push to this repo.")
}
case "ssh_pubkey":
fallthrough
case "federated":
if pubkey == "" {
return errors.New("You need to have an SSH public key to push to this repo.")
}
if user_type == "" {
user_id, err = add_user_ssh(session.Context(), pubkey)
if err != nil {
return err
}
fmt.Fprintln(session.Stderr(), "You are now registered as user ID", user_id)
user_type = "pubkey_only"
}
case "public":
default:
panic("unknown contrib_requirements value " + contrib_requirements)
}
}
cookie, err := random_urlsafe_string(16)
if err != nil {
fmt.Fprintln(session.Stderr(), "Error while generating cookie:", err)
}
pack_to_hook_by_cookie.Store(cookie, pack_to_hook_t{
packPasses.Store(cookie, packPass{
session: session, pubkey: pubkey,
direct_access: direct_access,
directAccess: direct_access,
repo_path: repo_path,
user_id: user_id, repo_id: repo_id,
userID: user_id, repoID: repo_id,
group_path: group_path, repo_name: repo_name, repo: repo,
contrib_requirements: contrib_requirements, user_type: user_type,
contribReq: contrib_requirements, userType: user_type,
})
defer pack_to_hook_by_cookie.Delete(cookie)
defer packPasses.Delete(cookie)
// The Delete won't execute until proc.Wait returns unless something
// horribly wrong such as a panic occurs.
proc := exec.CommandContext(session.Context(), "git-receive-pack", repo_path)
proc.Env = append(os.Environ(),
"LINDENII_FORGE_HOOKS_SOCKET_PATH="+config.Hooks.Socket,
"LINDENII_FORGE_HOOKS_COOKIE="+cookie,
)
proc.Stdin = session
proc.Stdout = session
proc.Stderr = session.Stderr()
if err = proc.Start(); err != nil {
fmt.Fprintln(session.Stderr(), "Error while starting process:", err)
return err
}
err = proc.Wait()
if exitError, ok := err.(*exec.ExitError); ok {
fmt.Fprintln(session.Stderr(), "Process exited with error", exitError.ExitCode())
} else if err != nil {
fmt.Fprintln(session.Stderr(), "Error while waiting for process:", err)
}
return err
}
// SPDX-License-Identifier: AGPL-3.0-only
// SPDX-FileContributor: Runxi Yu <https://runxiyu.org>
package main
import (
"context"
"errors"
"fmt"
"io"
"net/url"
"strings"
"go.lindenii.runxiyu.org/lindenii-common/ansiec"
)
var err_ssh_illegal_endpoint = errors.New("illegal endpoint during SSH access")
func get_repo_path_perms_from_ssh_path_pubkey(ctx context.Context, ssh_path, ssh_pubkey string) (group_path []string, repo_name string, repo_id int, repo_path string, direct_access bool, contrib_requirements, user_type string, user_id int, err error) {
var segments []string
var separator_index int
var module_type, module_name string
segments = strings.Split(strings.TrimPrefix(ssh_path, "/"), "/")
for i, segment := range segments {
var err error
segments[i], err = url.PathUnescape(segment)
if err != nil {
return []string{}, "", 0, "", false, "", "", 0, err
}
}
if segments[0] == ":" {
return []string{}, "", 0, "", false, "", "", 0, err_ssh_illegal_endpoint
}
separator_index = -1
for i, part := range segments {
if part == ":" {
separator_index = i
break
}
}
if segments[len(segments)-1] == "" {
segments = segments[:len(segments)-1]
}
switch {
case separator_index == -1:
return []string{}, "", 0, "", false, "", "", 0, err_ssh_illegal_endpoint
case len(segments) <= separator_index+2:
return []string{}, "", 0, "", false, "", "", 0, err_ssh_illegal_endpoint
}
group_path = segments[:separator_index]
module_type = segments[separator_index+1]
module_name = segments[separator_index+2]
repo_name = module_name
switch module_type {
case "repos":
_1, _2, _3, _4, _5, _6, _7 := getRepoInfo(ctx, group_path, module_name, ssh_pubkey)
return group_path, repo_name, _1, _2, _3, _4, _5, _6, _7
default:
return []string{}, "", 0, "", false, "", "", 0, err_ssh_illegal_endpoint
}
}
func wf_error(w io.Writer, format string, args ...any) {
func writeRedError(w io.Writer, format string, args ...any) {
fmt.Fprintln(w, ansiec.Red+fmt.Sprintf(format, args...)+ansiec.Reset) }