commit c53523738c723abf96181d65a4da93db1c30d15e · veryroundbird.house/core

cmd/knot/main.go

···

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       	"github.com/urfave/cli/v3"

     

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       	"tangled.sh/tangled.sh/core/guard"

     

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       	"tangled.sh/tangled.sh/core/hook"

     

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       	"tangled.sh/tangled.sh/core/keyfetch"

     

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       	"tangled.sh/tangled.sh/core/knotserver"

     

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       	"tangled.sh/tangled.sh/core/log"

     
···

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       			guard.Command(),

     

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       			knotserver.Command(),

     

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       			keyfetch.Command(),

     

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       			hook.Command(),

     

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       		},

     

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       	}

     

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+1 -1

hook/hook.go

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       	client := &http.Client{}

     

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       -
       	req, err := http.NewRequest("POST", endpoint+"/hooks/post-receive", strings.NewReader(payload))

     

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       	req, err := http.NewRequest("POST", "http://"+endpoint+"/hooks/post-receive", strings.NewReader(payload))

     

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       	if err != nil {

     

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       		return fmt.Errorf("failed to create request: %w", err)

     

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       	}

+158

hook/setup.go

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       // heavily inspired by gitea's model

     

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       package hook

     

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       import (

     

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       	"errors"

     

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       	"fmt"

     

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       	"os"

     

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       	"path/filepath"

     

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       	"strings"

     

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       	"github.com/go-git/go-git/v5"

     

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       )

     

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       var ErrNoGitRepo = errors.New("not a git repo")

     

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       var ErrCreatingHookDir = errors.New("failed to create hooks directory")

     

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       var ErrCreatingHook = errors.New("failed to create hook")

     

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       var ErrCreatingDelegate = errors.New("failed to create delegate hook")

     

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       type config struct {

     

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       	scanPath    string

     

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       	internalApi string

     

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       }

     

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       type setupOpt func(*config)

     

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       func WithScanPath(scanPath string) setupOpt {

     

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       	return func(c *config) {

     

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       		c.scanPath = scanPath

     

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       	}

     

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       }

     

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       func WithInternalApi(api string) setupOpt {

     

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       	return func(c *config) {

     

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       		c.internalApi = api

     

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       	}

     

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       }

     

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       // setup hooks for all users

     

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       //

     

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       // directory structure is typically like so:

     

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       //

     

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       //	did:plc:foobar/repo1

     

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       //	did:plc:foobar/repo2

     

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       //	did:web:barbaz/repo1

     

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       func Setup(opts ...setupOpt) error {

     

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       	config := config{}

     

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       	for _, o := range opts {

     

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       		o(&config)

     

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       	}

     

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       	// iterate over all directories in current directory:

     

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       	userDirs, err := os.ReadDir(config.scanPath)

     

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       	if err != nil {

     

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       		return err

     

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       	}

     

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       	for _, user := range userDirs {

     

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       		if !user.IsDir() {

     

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       			continue

     

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       		}

     

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       		did := user.Name()

     

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       		if !strings.HasPrefix(did, "did:") {

     

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       			continue

     

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       		}

     

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       		userPath := filepath.Join(config.scanPath, did)

     

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       		if err := setupUser(&config, userPath); err != nil {

     

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       			return err

     

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       		}

     

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       	}

     

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       	return nil

     

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       }

     

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       // setup hooks in /scanpath/did:plc:user

     

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       func setupUser(config *config, userPath string) error {

     

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       	repos, err := os.ReadDir(userPath)

     

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       	if err != nil {

     

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       		return err

     

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       	}

     

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       	for _, repo := range repos {

     

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       		if !repo.IsDir() {

     

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       			continue

     

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       		}

     

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       		path := filepath.Join(userPath, repo.Name())

     

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       		if err := setup(config, path); err != nil {

     

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       			if errors.Is(err, ErrNoGitRepo) {

     

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       				continue

     

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       			}

     

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       			return err

     

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       		}

     

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       	}

     

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       	return nil

     

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       }

     

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       // setup hook in /scanpath/did:plc:user/repo

     

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       func setup(config *config, path string) error {

     

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       	if _, err := git.PlainOpen(path); err != nil {

     

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       		return fmt.Errorf("%s: %w", path, ErrNoGitRepo)

     

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       	}

     

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       	preReceiveD := filepath.Join(path, "hooks", "pre-receive.d")

     

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       	if err := os.MkdirAll(preReceiveD, 0755); err != nil {

     

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       		return fmt.Errorf("%s: %w", preReceiveD, ErrCreatingHookDir)

     

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       	}

     

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       	notify := filepath.Join(preReceiveD, "40-notify.sh")

     

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       	if err := mkHook(config, notify); err != nil {

     

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       		return fmt.Errorf("%s: %w", notify, ErrCreatingHook)

     

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       	}

     

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       	delegate := filepath.Join(path, "hooks", "pre-receive")

     

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       	if err := mkDelegate(delegate); err != nil {

     

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       		return fmt.Errorf("%s: %w", delegate, ErrCreatingDelegate)

     

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       	}

     

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       	return nil

     

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       }

     

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       func mkHook(config *config, hookPath string) error {

     

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       	executablePath, err := os.Executable()

     

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       	if err != nil {

     

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       		return err

     

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       	}

     

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       	hookContent := fmt.Sprintf(`#!/usr/bin/env bash

     

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       # AUTO GENERATED BY KNOT, DO NOT MODIFY

     

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       %s hook -git-dir "$GIT_DIR" -user-did "$GIT_USER_DID" -user-handle "$GIT_USER_HANDLE" -internal-api "%s" post-recieve

     

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       	`, executablePath, config.internalApi)

     

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       	return os.WriteFile(hookPath, []byte(hookContent), 0755)

     

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       }

     

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       func mkDelegate(path string) error {

     

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       	content := fmt.Sprintf(`#!/usr/bin/env bash

     

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       # AUTO GENERATED BY KNOT, DO NOT MODIFY

     

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       data=$(cat)

     

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       exitcodes=""

     

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       hookname=$(basename $0)

     

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       GIT_DIR=${GIT_DIR:-$(dirname $0)/..}

     

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       for hook in ${GIT_DIR}/hooks/${hookname}.d/*; do

     

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         test -x "${hook}" && test -f "${hook}" || continue

     

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         echo "${data}" | "${hook}"

     

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         exitcodes="${exitcodes} $?"

     

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       done

     

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       for i in ${exitcodes}; do

     

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         [ ${i} -eq 0 ] || exit ${i}

     

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       done

     

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       	`)

     

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       	return os.WriteFile(path, []byte(content), 0755)

     

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       }

+10

knotserver/server.go

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       	"github.com/urfave/cli/v3"

     

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       	"tangled.sh/tangled.sh/core/api/tangled"

     

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       	"tangled.sh/tangled.sh/core/hook"

     

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       	"tangled.sh/tangled.sh/core/jetstream"

     

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       	"tangled.sh/tangled.sh/core/knotserver/config"

     

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       	"tangled.sh/tangled.sh/core/knotserver/db"

     
···

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       	if err != nil {

     

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       		return fmt.Errorf("failed to load config: %w", err)

     

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       	}

     

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       	err = hook.Setup(

     

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       		hook.WithScanPath(c.Repo.ScanPath),

     

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       		hook.WithInternalApi(c.Server.InternalListenAddr),

     

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       	)

     

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       	if err != nil {

     

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       		return fmt.Errorf("failed to setup hooks: %w", err)

     

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       	}

     

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       	l.Info("successfully finished setting up hooks")

     

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       	if c.Server.Dev {

     

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       		l.Info("running in dev mode, signature verification is disabled")