diff options
Diffstat (limited to '')
-rw-r--r-- | modules/repository/hooks.go | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/modules/repository/hooks.go b/modules/repository/hooks.go new file mode 100644 index 0000000..9584978 --- /dev/null +++ b/modules/repository/hooks.go @@ -0,0 +1,233 @@ +// Copyright 2020 The Gitea Authors. All rights reserved. +// SPDX-License-Identifier: MIT + +package repository + +import ( + "fmt" + "os" + "path/filepath" + "runtime" + + "code.gitea.io/gitea/modules/setting" + "code.gitea.io/gitea/modules/util" +) + +func getHookTemplates() (hookNames, hookTpls, giteaHookTpls []string) { + hookNames = []string{"pre-receive", "update", "post-receive"} + hookTpls = []string{ + // for pre-receive + fmt.Sprintf(`#!/usr/bin/env %s +# AUTO GENERATED BY GITEA, DO NOT MODIFY +data=$(cat) +exitcodes="" +hookname=$(basename $0) +GIT_DIR=${GIT_DIR:-$(dirname $0)/..} + +for hook in ${GIT_DIR}/hooks/${hookname}.d/*; do + test -x "${hook}" && test -f "${hook}" || continue + echo "${data}" | "${hook}" + exitcodes="${exitcodes} $?" +done + +for i in ${exitcodes}; do + [ ${i} -eq 0 ] || exit ${i} +done +`, setting.ScriptType), + + // for update + fmt.Sprintf(`#!/usr/bin/env %s +# AUTO GENERATED BY GITEA, DO NOT MODIFY +exitcodes="" +hookname=$(basename $0) +GIT_DIR=${GIT_DIR:-$(dirname $0/..)} + +for hook in ${GIT_DIR}/hooks/${hookname}.d/*; do + test -x "${hook}" && test -f "${hook}" || continue + "${hook}" $1 $2 $3 + exitcodes="${exitcodes} $?" +done + +for i in ${exitcodes}; do + [ ${i} -eq 0 ] || exit ${i} +done +`, setting.ScriptType), + + // for post-receive + fmt.Sprintf(`#!/usr/bin/env %s +# AUTO GENERATED BY GITEA, DO NOT MODIFY +data=$(cat) +exitcodes="" +hookname=$(basename $0) +GIT_DIR=${GIT_DIR:-$(dirname $0)/..} + +for hook in ${GIT_DIR}/hooks/${hookname}.d/*; do + test -x "${hook}" && test -f "${hook}" || continue + echo "${data}" | "${hook}" + exitcodes="${exitcodes} $?" +done + +for i in ${exitcodes}; do + [ ${i} -eq 0 ] || exit ${i} +done +`, setting.ScriptType), + } + + giteaHookTpls = []string{ + // for pre-receive + fmt.Sprintf(`#!/usr/bin/env %s +# AUTO GENERATED BY GITEA, DO NOT MODIFY +%s hook --config=%s pre-receive +`, setting.ScriptType, util.ShellEscape(setting.AppPath), util.ShellEscape(setting.CustomConf)), + + // for update + fmt.Sprintf(`#!/usr/bin/env %s +# AUTO GENERATED BY GITEA, DO NOT MODIFY +%s hook --config=%s update $1 $2 $3 +`, setting.ScriptType, util.ShellEscape(setting.AppPath), util.ShellEscape(setting.CustomConf)), + + // for post-receive + fmt.Sprintf(`#!/usr/bin/env %s +# AUTO GENERATED BY GITEA, DO NOT MODIFY +%s hook --config=%s post-receive +`, setting.ScriptType, util.ShellEscape(setting.AppPath), util.ShellEscape(setting.CustomConf)), + } + + // although only new git (>=2.29) supports proc-receive, it's still good to create its hook, in case the user upgrades git + hookNames = append(hookNames, "proc-receive") + hookTpls = append(hookTpls, + fmt.Sprintf(`#!/usr/bin/env %s +# AUTO GENERATED BY GITEA, DO NOT MODIFY +%s hook --config=%s proc-receive +`, setting.ScriptType, util.ShellEscape(setting.AppPath), util.ShellEscape(setting.CustomConf))) + giteaHookTpls = append(giteaHookTpls, "") + + return hookNames, hookTpls, giteaHookTpls +} + +// CreateDelegateHooks creates all the hooks scripts for the repo +func CreateDelegateHooks(repoPath string) (err error) { + hookNames, hookTpls, giteaHookTpls := getHookTemplates() + hookDir := filepath.Join(repoPath, "hooks") + + for i, hookName := range hookNames { + oldHookPath := filepath.Join(hookDir, hookName) + newHookPath := filepath.Join(hookDir, hookName+".d", "gitea") + + if err := os.MkdirAll(filepath.Join(hookDir, hookName+".d"), os.ModePerm); err != nil { + return fmt.Errorf("create hooks dir '%s': %w", filepath.Join(hookDir, hookName+".d"), err) + } + + // WARNING: This will override all old server-side hooks + if err = util.Remove(oldHookPath); err != nil && !os.IsNotExist(err) { + return fmt.Errorf("unable to pre-remove old hook file '%s' prior to rewriting: %w ", oldHookPath, err) + } + if err = os.WriteFile(oldHookPath, []byte(hookTpls[i]), 0o777); err != nil { + return fmt.Errorf("write old hook file '%s': %w", oldHookPath, err) + } + + if err = ensureExecutable(oldHookPath); err != nil { + return fmt.Errorf("Unable to set %s executable. Error %w", oldHookPath, err) + } + + if err = util.Remove(newHookPath); err != nil && !os.IsNotExist(err) { + return fmt.Errorf("unable to pre-remove new hook file '%s' prior to rewriting: %w", newHookPath, err) + } + if err = os.WriteFile(newHookPath, []byte(giteaHookTpls[i]), 0o777); err != nil { + return fmt.Errorf("write new hook file '%s': %w", newHookPath, err) + } + + if err = ensureExecutable(newHookPath); err != nil { + return fmt.Errorf("Unable to set %s executable. Error %w", oldHookPath, err) + } + } + + return nil +} + +func checkExecutable(filename string) bool { + // windows has no concept of a executable bit + if runtime.GOOS == "windows" { + return true + } + fileInfo, err := os.Stat(filename) + if err != nil { + return false + } + return (fileInfo.Mode() & 0o100) > 0 +} + +func ensureExecutable(filename string) error { + fileInfo, err := os.Stat(filename) + if err != nil { + return err + } + if (fileInfo.Mode() & 0o100) > 0 { + return nil + } + mode := fileInfo.Mode() | 0o100 + return os.Chmod(filename, mode) +} + +// CheckDelegateHooks checks the hooks scripts for the repo +func CheckDelegateHooks(repoPath string) ([]string, error) { + hookNames, hookTpls, giteaHookTpls := getHookTemplates() + + hookDir := filepath.Join(repoPath, "hooks") + results := make([]string, 0, 10) + + for i, hookName := range hookNames { + oldHookPath := filepath.Join(hookDir, hookName) + newHookPath := filepath.Join(hookDir, hookName+".d", "gitea") + + cont := false + isExist, err := util.IsExist(oldHookPath) + if err != nil { + results = append(results, fmt.Sprintf("unable to check if %s exists. Error: %v", oldHookPath, err)) + } + if err == nil && !isExist { + results = append(results, fmt.Sprintf("old hook file %s does not exist", oldHookPath)) + cont = true + } + isExist, err = util.IsExist(oldHookPath + ".d") + if err != nil { + results = append(results, fmt.Sprintf("unable to check if %s exists. Error: %v", oldHookPath+".d", err)) + } + if err == nil && !isExist { + results = append(results, fmt.Sprintf("hooks directory %s does not exist", oldHookPath+".d")) + cont = true + } + isExist, err = util.IsExist(newHookPath) + if err != nil { + results = append(results, fmt.Sprintf("unable to check if %s exists. Error: %v", newHookPath, err)) + } + if err == nil && !isExist { + results = append(results, fmt.Sprintf("new hook file %s does not exist", newHookPath)) + cont = true + } + if cont { + continue + } + contents, err := os.ReadFile(oldHookPath) + if err != nil { + return results, err + } + if string(contents) != hookTpls[i] { + results = append(results, fmt.Sprintf("old hook file %s is out of date", oldHookPath)) + } + if !checkExecutable(oldHookPath) { + results = append(results, fmt.Sprintf("old hook file %s is not executable", oldHookPath)) + } + contents, err = os.ReadFile(newHookPath) + if err != nil { + return results, err + } + if string(contents) != giteaHookTpls[i] { + results = append(results, fmt.Sprintf("new hook file %s is out of date", newHookPath)) + } + if !checkExecutable(newHookPath) { + results = append(results, fmt.Sprintf("new hook file %s is not executable", newHookPath)) + } + } + return results, nil +} |