mirror of
https://codeberg.org/forgejo/forgejo
synced 2024-11-27 04:06:10 +01:00
503 lines
16 KiB
Go
503 lines
16 KiB
Go
// Copyright 2022 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package git
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import (
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"context"
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"errors"
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"fmt"
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"slices"
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"strings"
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"code.gitea.io/gitea/models/db"
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"code.gitea.io/gitea/models/organization"
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"code.gitea.io/gitea/models/perm"
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access_model "code.gitea.io/gitea/models/perm/access"
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repo_model "code.gitea.io/gitea/models/repo"
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"code.gitea.io/gitea/models/unit"
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user_model "code.gitea.io/gitea/models/user"
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"code.gitea.io/gitea/modules/base"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/timeutil"
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"code.gitea.io/gitea/modules/util"
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"github.com/gobwas/glob"
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"github.com/gobwas/glob/syntax"
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)
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var ErrBranchIsProtected = errors.New("branch is protected")
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// ProtectedBranch struct
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type ProtectedBranch struct {
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ID int64 `xorm:"pk autoincr"`
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RepoID int64 `xorm:"UNIQUE(s)"`
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Repo *repo_model.Repository `xorm:"-"`
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RuleName string `xorm:"'branch_name' UNIQUE(s)"` // a branch name or a glob match to branch name
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globRule glob.Glob `xorm:"-"`
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isPlainName bool `xorm:"-"`
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CanPush bool `xorm:"NOT NULL DEFAULT false"`
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EnableWhitelist bool
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WhitelistUserIDs []int64 `xorm:"JSON TEXT"`
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WhitelistTeamIDs []int64 `xorm:"JSON TEXT"`
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EnableMergeWhitelist bool `xorm:"NOT NULL DEFAULT false"`
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WhitelistDeployKeys bool `xorm:"NOT NULL DEFAULT false"`
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MergeWhitelistUserIDs []int64 `xorm:"JSON TEXT"`
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MergeWhitelistTeamIDs []int64 `xorm:"JSON TEXT"`
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EnableStatusCheck bool `xorm:"NOT NULL DEFAULT false"`
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StatusCheckContexts []string `xorm:"JSON TEXT"`
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EnableApprovalsWhitelist bool `xorm:"NOT NULL DEFAULT false"`
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ApprovalsWhitelistUserIDs []int64 `xorm:"JSON TEXT"`
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ApprovalsWhitelistTeamIDs []int64 `xorm:"JSON TEXT"`
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RequiredApprovals int64 `xorm:"NOT NULL DEFAULT 0"`
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BlockOnRejectedReviews bool `xorm:"NOT NULL DEFAULT false"`
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BlockOnOfficialReviewRequests bool `xorm:"NOT NULL DEFAULT false"`
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BlockOnOutdatedBranch bool `xorm:"NOT NULL DEFAULT false"`
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DismissStaleApprovals bool `xorm:"NOT NULL DEFAULT false"`
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RequireSignedCommits bool `xorm:"NOT NULL DEFAULT false"`
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ProtectedFilePatterns string `xorm:"TEXT"`
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UnprotectedFilePatterns string `xorm:"TEXT"`
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CreatedUnix timeutil.TimeStamp `xorm:"created"`
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UpdatedUnix timeutil.TimeStamp `xorm:"updated"`
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}
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func init() {
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db.RegisterModel(new(ProtectedBranch))
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}
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// IsRuleNameSpecial return true if it contains special character
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func IsRuleNameSpecial(ruleName string) bool {
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for i := 0; i < len(ruleName); i++ {
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if syntax.Special(ruleName[i]) {
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return true
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}
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}
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return false
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}
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func (protectBranch *ProtectedBranch) loadGlob() {
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if protectBranch.globRule == nil {
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var err error
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protectBranch.globRule, err = glob.Compile(protectBranch.RuleName, '/')
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if err != nil {
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log.Warn("Invalid glob rule for ProtectedBranch[%d]: %s %v", protectBranch.ID, protectBranch.RuleName, err)
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protectBranch.globRule = glob.MustCompile(glob.QuoteMeta(protectBranch.RuleName), '/')
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}
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protectBranch.isPlainName = !IsRuleNameSpecial(protectBranch.RuleName)
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}
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}
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// Match tests if branchName matches the rule
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func (protectBranch *ProtectedBranch) Match(branchName string) bool {
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protectBranch.loadGlob()
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if protectBranch.isPlainName {
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return strings.EqualFold(protectBranch.RuleName, branchName)
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}
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return protectBranch.globRule.Match(branchName)
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}
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func (protectBranch *ProtectedBranch) LoadRepo(ctx context.Context) (err error) {
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if protectBranch.Repo != nil {
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return nil
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}
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protectBranch.Repo, err = repo_model.GetRepositoryByID(ctx, protectBranch.RepoID)
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return err
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}
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// CanUserPush returns if some user could push to this protected branch
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func (protectBranch *ProtectedBranch) CanUserPush(ctx context.Context, user *user_model.User) bool {
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if !protectBranch.CanPush {
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return false
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}
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if !protectBranch.EnableWhitelist {
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if err := protectBranch.LoadRepo(ctx); err != nil {
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log.Error("LoadRepo: %v", err)
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return false
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}
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writeAccess, err := access_model.HasAccessUnit(ctx, user, protectBranch.Repo, unit.TypeCode, perm.AccessModeWrite)
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if err != nil {
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log.Error("HasAccessUnit: %v", err)
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return false
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}
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return writeAccess
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}
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if base.Int64sContains(protectBranch.WhitelistUserIDs, user.ID) {
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return true
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}
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if len(protectBranch.WhitelistTeamIDs) == 0 {
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return false
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}
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in, err := organization.IsUserInTeams(ctx, user.ID, protectBranch.WhitelistTeamIDs)
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if err != nil {
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log.Error("IsUserInTeams: %v", err)
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return false
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}
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return in
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}
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// IsUserMergeWhitelisted checks if some user is whitelisted to merge to this branch
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func IsUserMergeWhitelisted(ctx context.Context, protectBranch *ProtectedBranch, userID int64, permissionInRepo access_model.Permission) bool {
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if !protectBranch.EnableMergeWhitelist {
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// Then we need to fall back on whether the user has write permission
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return permissionInRepo.CanWrite(unit.TypeCode)
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}
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if base.Int64sContains(protectBranch.MergeWhitelistUserIDs, userID) {
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return true
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}
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if len(protectBranch.MergeWhitelistTeamIDs) == 0 {
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return false
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}
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in, err := organization.IsUserInTeams(ctx, userID, protectBranch.MergeWhitelistTeamIDs)
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if err != nil {
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log.Error("IsUserInTeams: %v", err)
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return false
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}
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return in
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}
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// IsUserOfficialReviewer check if user is official reviewer for the branch (counts towards required approvals)
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func IsUserOfficialReviewer(ctx context.Context, protectBranch *ProtectedBranch, user *user_model.User) (bool, error) {
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repo, err := repo_model.GetRepositoryByID(ctx, protectBranch.RepoID)
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if err != nil {
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return false, err
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}
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if !protectBranch.EnableApprovalsWhitelist {
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// Anyone with write access is considered official reviewer
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writeAccess, err := access_model.HasAccessUnit(ctx, user, repo, unit.TypeCode, perm.AccessModeWrite)
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if err != nil {
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return false, err
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}
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return writeAccess, nil
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}
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if base.Int64sContains(protectBranch.ApprovalsWhitelistUserIDs, user.ID) {
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return true, nil
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}
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inTeam, err := organization.IsUserInTeams(ctx, user.ID, protectBranch.ApprovalsWhitelistTeamIDs)
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if err != nil {
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return false, err
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}
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return inTeam, nil
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}
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// GetProtectedFilePatterns parses a semicolon separated list of protected file patterns and returns a glob.Glob slice
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func (protectBranch *ProtectedBranch) GetProtectedFilePatterns() []glob.Glob {
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return getFilePatterns(protectBranch.ProtectedFilePatterns)
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}
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// GetUnprotectedFilePatterns parses a semicolon separated list of unprotected file patterns and returns a glob.Glob slice
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func (protectBranch *ProtectedBranch) GetUnprotectedFilePatterns() []glob.Glob {
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return getFilePatterns(protectBranch.UnprotectedFilePatterns)
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}
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func getFilePatterns(filePatterns string) []glob.Glob {
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extarr := make([]glob.Glob, 0, 10)
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for _, expr := range strings.Split(strings.ToLower(filePatterns), ";") {
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expr = strings.TrimSpace(expr)
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if expr != "" {
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if g, err := glob.Compile(expr, '.', '/'); err != nil {
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log.Info("Invalid glob expression '%s' (skipped): %v", expr, err)
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} else {
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extarr = append(extarr, g)
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}
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}
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}
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return extarr
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}
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// MergeBlockedByProtectedFiles returns true if merge is blocked by protected files change
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func (protectBranch *ProtectedBranch) MergeBlockedByProtectedFiles(changedProtectedFiles []string) bool {
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glob := protectBranch.GetProtectedFilePatterns()
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if len(glob) == 0 {
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return false
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}
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return len(changedProtectedFiles) > 0
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}
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// IsProtectedFile return if path is protected
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func (protectBranch *ProtectedBranch) IsProtectedFile(patterns []glob.Glob, path string) bool {
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if len(patterns) == 0 {
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patterns = protectBranch.GetProtectedFilePatterns()
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if len(patterns) == 0 {
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return false
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}
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}
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lpath := strings.ToLower(strings.TrimSpace(path))
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r := false
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for _, pat := range patterns {
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if pat.Match(lpath) {
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r = true
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break
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}
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}
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return r
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}
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// IsUnprotectedFile return if path is unprotected
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func (protectBranch *ProtectedBranch) IsUnprotectedFile(patterns []glob.Glob, path string) bool {
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if len(patterns) == 0 {
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patterns = protectBranch.GetUnprotectedFilePatterns()
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if len(patterns) == 0 {
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return false
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}
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}
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lpath := strings.ToLower(strings.TrimSpace(path))
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r := false
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for _, pat := range patterns {
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if pat.Match(lpath) {
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r = true
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break
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}
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}
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return r
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}
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// GetProtectedBranchRuleByName getting protected branch rule by name
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func GetProtectedBranchRuleByName(ctx context.Context, repoID int64, ruleName string) (*ProtectedBranch, error) {
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rel := &ProtectedBranch{RepoID: repoID, RuleName: ruleName}
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has, err := db.GetByBean(ctx, rel)
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if err != nil {
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return nil, err
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}
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if !has {
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return nil, nil
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}
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return rel, nil
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}
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// GetProtectedBranchRuleByID getting protected branch rule by rule ID
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func GetProtectedBranchRuleByID(ctx context.Context, repoID, ruleID int64) (*ProtectedBranch, error) {
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rel := &ProtectedBranch{ID: ruleID, RepoID: repoID}
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has, err := db.GetByBean(ctx, rel)
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if err != nil {
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return nil, err
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}
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if !has {
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return nil, nil
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}
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return rel, nil
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}
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// WhitelistOptions represent all sorts of whitelists used for protected branches
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type WhitelistOptions struct {
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UserIDs []int64
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TeamIDs []int64
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MergeUserIDs []int64
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MergeTeamIDs []int64
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ApprovalsUserIDs []int64
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ApprovalsTeamIDs []int64
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}
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// UpdateProtectBranch saves branch protection options of repository.
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// If ID is 0, it creates a new record. Otherwise, updates existing record.
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// This function also performs check if whitelist user and team's IDs have been changed
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// to avoid unnecessary whitelist delete and regenerate.
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func UpdateProtectBranch(ctx context.Context, repo *repo_model.Repository, protectBranch *ProtectedBranch, opts WhitelistOptions) (err error) {
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if err = repo.LoadOwner(ctx); err != nil {
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return fmt.Errorf("LoadOwner: %v", err)
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}
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whitelist, err := updateUserWhitelist(ctx, repo, protectBranch.WhitelistUserIDs, opts.UserIDs)
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if err != nil {
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return err
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}
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protectBranch.WhitelistUserIDs = whitelist
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whitelist, err = updateUserWhitelist(ctx, repo, protectBranch.MergeWhitelistUserIDs, opts.MergeUserIDs)
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if err != nil {
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return err
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}
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protectBranch.MergeWhitelistUserIDs = whitelist
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whitelist, err = updateApprovalWhitelist(ctx, repo, protectBranch.ApprovalsWhitelistUserIDs, opts.ApprovalsUserIDs)
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if err != nil {
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return err
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}
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protectBranch.ApprovalsWhitelistUserIDs = whitelist
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// if the repo is in an organization
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whitelist, err = updateTeamWhitelist(ctx, repo, protectBranch.WhitelistTeamIDs, opts.TeamIDs)
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if err != nil {
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return err
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}
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protectBranch.WhitelistTeamIDs = whitelist
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whitelist, err = updateTeamWhitelist(ctx, repo, protectBranch.MergeWhitelistTeamIDs, opts.MergeTeamIDs)
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if err != nil {
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return err
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}
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protectBranch.MergeWhitelistTeamIDs = whitelist
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whitelist, err = updateTeamWhitelist(ctx, repo, protectBranch.ApprovalsWhitelistTeamIDs, opts.ApprovalsTeamIDs)
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if err != nil {
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return err
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}
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protectBranch.ApprovalsWhitelistTeamIDs = whitelist
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// Make sure protectBranch.ID is not 0 for whitelists
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if protectBranch.ID == 0 {
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if _, err = db.GetEngine(ctx).Insert(protectBranch); err != nil {
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return fmt.Errorf("Insert: %v", err)
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}
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return nil
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}
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if _, err = db.GetEngine(ctx).ID(protectBranch.ID).AllCols().Update(protectBranch); err != nil {
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return fmt.Errorf("Update: %v", err)
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}
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return nil
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}
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// updateApprovalWhitelist checks whether the user whitelist changed and returns a whitelist with
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// the users from newWhitelist which have explicit read or write access to the repo.
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func updateApprovalWhitelist(ctx context.Context, repo *repo_model.Repository, currentWhitelist, newWhitelist []int64) (whitelist []int64, err error) {
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hasUsersChanged := !util.SliceSortedEqual(currentWhitelist, newWhitelist)
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if !hasUsersChanged {
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return currentWhitelist, nil
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}
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whitelist = make([]int64, 0, len(newWhitelist))
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for _, userID := range newWhitelist {
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if reader, err := access_model.IsRepoReader(ctx, repo, userID); err != nil {
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return nil, err
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} else if !reader {
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continue
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}
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whitelist = append(whitelist, userID)
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}
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return whitelist, err
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}
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// updateUserWhitelist checks whether the user whitelist changed and returns a whitelist with
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// the users from newWhitelist which have write access to the repo.
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func updateUserWhitelist(ctx context.Context, repo *repo_model.Repository, currentWhitelist, newWhitelist []int64) (whitelist []int64, err error) {
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hasUsersChanged := !util.SliceSortedEqual(currentWhitelist, newWhitelist)
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if !hasUsersChanged {
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return currentWhitelist, nil
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}
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whitelist = make([]int64, 0, len(newWhitelist))
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for _, userID := range newWhitelist {
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user, err := user_model.GetUserByID(ctx, userID)
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if err != nil {
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return nil, fmt.Errorf("GetUserByID [user_id: %d, repo_id: %d]: %v", userID, repo.ID, err)
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}
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perm, err := access_model.GetUserRepoPermission(ctx, repo, user)
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if err != nil {
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return nil, fmt.Errorf("GetUserRepoPermission [user_id: %d, repo_id: %d]: %v", userID, repo.ID, err)
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}
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if !perm.CanWrite(unit.TypeCode) {
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continue // Drop invalid user ID
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}
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whitelist = append(whitelist, userID)
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}
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return whitelist, err
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}
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// updateTeamWhitelist checks whether the team whitelist changed and returns a whitelist with
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// the teams from newWhitelist which have write access to the repo.
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func updateTeamWhitelist(ctx context.Context, repo *repo_model.Repository, currentWhitelist, newWhitelist []int64) (whitelist []int64, err error) {
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hasTeamsChanged := !util.SliceSortedEqual(currentWhitelist, newWhitelist)
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if !hasTeamsChanged {
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return currentWhitelist, nil
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}
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teams, err := organization.GetTeamsWithAccessToRepo(ctx, repo.OwnerID, repo.ID, perm.AccessModeRead)
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if err != nil {
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return nil, fmt.Errorf("GetTeamsWithAccessToRepo [org_id: %d, repo_id: %d]: %v", repo.OwnerID, repo.ID, err)
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}
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whitelist = make([]int64, 0, len(teams))
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for i := range teams {
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if slices.Contains(newWhitelist, teams[i].ID) {
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whitelist = append(whitelist, teams[i].ID)
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}
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}
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return whitelist, err
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}
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// DeleteProtectedBranch removes ProtectedBranch relation between the user and repository.
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func DeleteProtectedBranch(ctx context.Context, repoID, id int64) (err error) {
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protectedBranch := &ProtectedBranch{
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RepoID: repoID,
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ID: id,
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}
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if affected, err := db.GetEngine(ctx).Delete(protectedBranch); err != nil {
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return err
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} else if affected != 1 {
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return fmt.Errorf("delete protected branch ID(%v) failed", id)
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}
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return nil
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}
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// RemoveUserIDFromProtectedBranch remove all user ids from protected branch options
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func RemoveUserIDFromProtectedBranch(ctx context.Context, p *ProtectedBranch, userID int64) error {
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lenIDs, lenApprovalIDs, lenMergeIDs := len(p.WhitelistUserIDs), len(p.ApprovalsWhitelistUserIDs), len(p.MergeWhitelistUserIDs)
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p.WhitelistUserIDs = util.SliceRemoveAll(p.WhitelistUserIDs, userID)
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p.ApprovalsWhitelistUserIDs = util.SliceRemoveAll(p.ApprovalsWhitelistUserIDs, userID)
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p.MergeWhitelistUserIDs = util.SliceRemoveAll(p.MergeWhitelistUserIDs, userID)
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if lenIDs != len(p.WhitelistUserIDs) || lenApprovalIDs != len(p.ApprovalsWhitelistUserIDs) ||
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lenMergeIDs != len(p.MergeWhitelistUserIDs) {
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if _, err := db.GetEngine(ctx).ID(p.ID).Cols(
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"whitelist_user_i_ds",
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"merge_whitelist_user_i_ds",
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"approvals_whitelist_user_i_ds",
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).Update(p); err != nil {
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return fmt.Errorf("updateProtectedBranches: %v", err)
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}
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}
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return nil
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}
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// RemoveTeamIDFromProtectedBranch remove all team ids from protected branch options
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func RemoveTeamIDFromProtectedBranch(ctx context.Context, p *ProtectedBranch, teamID int64) error {
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lenIDs, lenApprovalIDs, lenMergeIDs := len(p.WhitelistTeamIDs), len(p.ApprovalsWhitelistTeamIDs), len(p.MergeWhitelistTeamIDs)
|
|
p.WhitelistTeamIDs = util.SliceRemoveAll(p.WhitelistTeamIDs, teamID)
|
|
p.ApprovalsWhitelistTeamIDs = util.SliceRemoveAll(p.ApprovalsWhitelistTeamIDs, teamID)
|
|
p.MergeWhitelistTeamIDs = util.SliceRemoveAll(p.MergeWhitelistTeamIDs, teamID)
|
|
|
|
if lenIDs != len(p.WhitelistTeamIDs) ||
|
|
lenApprovalIDs != len(p.ApprovalsWhitelistTeamIDs) ||
|
|
lenMergeIDs != len(p.MergeWhitelistTeamIDs) {
|
|
if _, err := db.GetEngine(ctx).ID(p.ID).Cols(
|
|
"whitelist_team_i_ds",
|
|
"merge_whitelist_team_i_ds",
|
|
"approvals_whitelist_team_i_ds",
|
|
).Update(p); err != nil {
|
|
return fmt.Errorf("updateProtectedBranches: %v", err)
|
|
}
|
|
}
|
|
return nil
|
|
}
|