forgejo/models/migrations/migrations.go
zeripath e6baa656f7
make avatar lookup occur at image request (#10540)
speed up page generation by making avatar lookup occur at the browser
not at page generation

* Protect against evil email address ".."

* hash the complete email address

Signed-off-by: Andrew Thornton <art27@cantab.net>

Co-Authored-By: Lauris BH <lauris@nix.lv>
2020-03-27 14:34:39 +02:00

407 lines
14 KiB
Go

// Copyright 2015 The Gogs Authors. All rights reserved.
// Copyright 2017 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package migrations
import (
"fmt"
"regexp"
"strings"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"xorm.io/xorm"
)
const minDBVersion = 70 // Gitea 1.5.3
// Migration describes on migration from lower version to high version
type Migration interface {
Description() string
Migrate(*xorm.Engine) error
}
type migration struct {
description string
migrate func(*xorm.Engine) error
}
// NewMigration creates a new migration
func NewMigration(desc string, fn func(*xorm.Engine) error) Migration {
return &migration{desc, fn}
}
// Description returns the migration's description
func (m *migration) Description() string {
return m.description
}
// Migrate executes the migration
func (m *migration) Migrate(x *xorm.Engine) error {
return m.migrate(x)
}
// Version describes the version table. Should have only one row with id==1
type Version struct {
ID int64 `xorm:"pk autoincr"`
Version int64
}
// This is a sequence of migrations. Add new migrations to the bottom of the list.
// If you want to "retire" a migration, remove it from the top of the list and
// update minDBVersion accordingly
var migrations = []Migration{
// Gitea 1.5.3 ends at v70
// v70 -> v71
NewMigration("add issue_dependencies", addIssueDependencies),
// v71 -> v72
NewMigration("protect each scratch token", addScratchHash),
// v72 -> v73
NewMigration("add review", addReview),
// Gitea 1.6.4 ends at v73
// v73 -> v74
NewMigration("add must_change_password column for users table", addMustChangePassword),
// v74 -> v75
NewMigration("add approval whitelists to protected branches", addApprovalWhitelistsToProtectedBranches),
// v75 -> v76
NewMigration("clear nonused data which not deleted when user was deleted", clearNonusedData),
// Gitea 1.7.6 ends at v76
// v76 -> v77
NewMigration("add pull request rebase with merge commit", addPullRequestRebaseWithMerge),
// v77 -> v78
NewMigration("add theme to users", addUserDefaultTheme),
// v78 -> v79
NewMigration("rename repo is_bare to repo is_empty", renameRepoIsBareToIsEmpty),
// v79 -> v80
NewMigration("add can close issues via commit in any branch", addCanCloseIssuesViaCommitInAnyBranch),
// v80 -> v81
NewMigration("add is locked to issues", addIsLockedToIssues),
// v81 -> v82
NewMigration("update U2F counter type", changeU2FCounterType),
// Gitea 1.8.3 ends at v82
// v82 -> v83
NewMigration("hot fix for wrong release sha1 on release table", fixReleaseSha1OnReleaseTable),
// v83 -> v84
NewMigration("add uploader id for table attachment", addUploaderIDForAttachment),
// v84 -> v85
NewMigration("add table to store original imported gpg keys", addGPGKeyImport),
// v85 -> v86
NewMigration("hash application token", hashAppToken),
// v86 -> v87
NewMigration("add http method to webhook", addHTTPMethodToWebhook),
// v87 -> v88
NewMigration("add avatar field to repository", addAvatarFieldToRepository),
// Gitea 1.9.6 ends at v88
// v88 -> v89
NewMigration("add commit status context field to commit_status", addCommitStatusContext),
// v89 -> v90
NewMigration("add original author/url migration info to issues, comments, and repo ", addOriginalMigrationInfo),
// v90 -> v91
NewMigration("change length of some repository columns", changeSomeColumnsLengthOfRepo),
// v91 -> v92
NewMigration("add index on owner_id of repository and type, review_id of comment", addIndexOnRepositoryAndComment),
// v92 -> v93
NewMigration("remove orphaned repository index statuses", removeLingeringIndexStatus),
// v93 -> v94
NewMigration("add email notification enabled preference to user", addEmailNotificationEnabledToUser),
// v94 -> v95
NewMigration("add enable_status_check, status_check_contexts to protected_branch", addStatusCheckColumnsForProtectedBranches),
// v95 -> v96
NewMigration("add table columns for cross referencing issues", addCrossReferenceColumns),
// v96 -> v97
NewMigration("delete orphaned attachments", deleteOrphanedAttachments),
// v97 -> v98
NewMigration("add repo_admin_change_team_access to user", addRepoAdminChangeTeamAccessColumnForUser),
// v98 -> v99
NewMigration("add original author name and id on migrated release", addOriginalAuthorOnMigratedReleases),
// Gitea 1.10.3 ends at v99
// v99 -> v100
NewMigration("add task table and status column for repository table", addTaskTable),
// v100 -> v101
NewMigration("update migration repositories' service type", updateMigrationServiceTypes),
// v101 -> v102
NewMigration("change length of some external login users columns", changeSomeColumnsLengthOfExternalLoginUser),
// v102 -> v103
NewMigration("update migration repositories' service type", dropColumnHeadUserNameOnPullRequest),
// v103 -> v104
NewMigration("Add WhitelistDeployKeys to protected branch", addWhitelistDeployKeysToBranches),
// v104 -> v105
NewMigration("remove unnecessary columns from label", removeLabelUneededCols),
// v105 -> v106
NewMigration("add includes_all_repositories to teams", addTeamIncludesAllRepositories),
// v106 -> v107
NewMigration("add column `mode` to table watch", addModeColumnToWatch),
// v107 -> v108
NewMigration("Add template options to repository", addTemplateToRepo),
// v108 -> v109
NewMigration("Add comment_id on table notification", addCommentIDOnNotification),
// v109 -> v110
NewMigration("add can_create_org_repo to team", addCanCreateOrgRepoColumnForTeam),
// v110 -> v111
NewMigration("change review content type to text", changeReviewContentToText),
// v111 -> v112
NewMigration("update branch protection for can push and whitelist enable", addBranchProtectionCanPushAndEnableWhitelist),
// v112 -> v113
NewMigration("remove release attachments which repository deleted", removeAttachmentMissedRepo),
// v113 -> v114
NewMigration("new feature: change target branch of pull requests", featureChangeTargetBranch),
// v114 -> v115
NewMigration("Remove authentication credentials from stored URL", sanitizeOriginalURL),
// v115 -> v116
NewMigration("add user_id prefix to existing user avatar name", renameExistingUserAvatarName),
// v116 -> v117
NewMigration("Extend TrackedTimes", extendTrackedTimes),
// v117 -> v118
NewMigration("Add block on rejected reviews branch protection", addBlockOnRejectedReviews),
// v118 -> v119
NewMigration("Add commit id and stale to reviews", addReviewCommitAndStale),
// v119 -> v120
NewMigration("Fix migrated repositories' git service type", fixMigratedRepositoryServiceType),
// v120 -> v121
NewMigration("Add owner_name on table repository", addOwnerNameOnRepository),
// v121 -> v122
NewMigration("add is_restricted column for users table", addIsRestricted),
// v122 -> v123
NewMigration("Add Require Signed Commits to ProtectedBranch", addRequireSignedCommits),
// v123 -> v124
NewMigration("Add original informations for reactions", addReactionOriginals),
// v124 -> v125
NewMigration("Add columns to user and repository", addUserRepoMissingColumns),
// v125 -> v126
NewMigration("Add some columns on review for migration", addReviewMigrateInfo),
// v126 -> v127
NewMigration("Fix topic repository count", fixTopicRepositoryCount),
// v127 -> v128
NewMigration("add repository code language statistics", addLanguageStats),
// v128 -> v129
NewMigration("fix merge base for pull requests", fixMergeBase),
// v129 -> v130
NewMigration("remove dependencies from deleted repositories", purgeUnusedDependencies),
// v130 -> v131
NewMigration("Expand webhooks for more granularity", expandWebhooks),
// v131 -> v132
NewMigration("Add IsSystemWebhook column to webhooks table", addSystemWebhookColumn),
// v132 -> v133
NewMigration("Add Branch Protection Protected Files Column", addBranchProtectionProtectedFilesColumn),
// v133 -> v134
NewMigration("Add EmailHash Table", addEmailHashTable),
}
// Migrate database to current version
func Migrate(x *xorm.Engine) error {
if err := x.Sync(new(Version)); err != nil {
return fmt.Errorf("sync: %v", err)
}
currentVersion := &Version{ID: 1}
has, err := x.Get(currentVersion)
if err != nil {
return fmt.Errorf("get: %v", err)
} else if !has {
// If the version record does not exist we think
// it is a fresh installation and we can skip all migrations.
currentVersion.ID = 0
currentVersion.Version = int64(minDBVersion + len(migrations))
if _, err = x.InsertOne(currentVersion); err != nil {
return fmt.Errorf("insert: %v", err)
}
}
v := currentVersion.Version
if minDBVersion > v {
log.Fatal(`Gitea no longer supports auto-migration from your previously installed version.
Please try upgrading to a lower version first (suggested v1.6.4), then upgrade to this version.`)
return nil
}
if int(v-minDBVersion) > len(migrations) {
// User downgraded Gitea.
currentVersion.Version = int64(len(migrations) + minDBVersion)
_, err = x.ID(1).Update(currentVersion)
return err
}
for i, m := range migrations[v-minDBVersion:] {
log.Info("Migration[%d]: %s", v+int64(i), m.Description())
if err = m.Migrate(x); err != nil {
return fmt.Errorf("do migrate: %v", err)
}
currentVersion.Version = v + int64(i) + 1
if _, err = x.ID(1).Update(currentVersion); err != nil {
return err
}
}
return nil
}
func dropTableColumns(sess *xorm.Session, tableName string, columnNames ...string) (err error) {
if tableName == "" || len(columnNames) == 0 {
return nil
}
// TODO: This will not work if there are foreign keys
switch {
case setting.Database.UseSQLite3:
// First drop the indexes on the columns
res, errIndex := sess.Query(fmt.Sprintf("PRAGMA index_list(`%s`)", tableName))
if errIndex != nil {
return errIndex
}
for _, row := range res {
indexName := row["name"]
indexRes, err := sess.Query(fmt.Sprintf("PRAGMA index_info(`%s`)", indexName))
if err != nil {
return err
}
if len(indexRes) != 1 {
continue
}
indexColumn := string(indexRes[0]["name"])
for _, name := range columnNames {
if name == indexColumn {
_, err := sess.Exec(fmt.Sprintf("DROP INDEX `%s`", indexName))
if err != nil {
return err
}
}
}
}
// Here we need to get the columns from the original table
sql := fmt.Sprintf("SELECT sql FROM sqlite_master WHERE tbl_name='%s' and type='table'", tableName)
res, err := sess.Query(sql)
if err != nil {
return err
}
tableSQL := string(res[0]["sql"])
// Separate out the column definitions
tableSQL = tableSQL[strings.Index(tableSQL, "("):]
// Remove the required columnNames
for _, name := range columnNames {
tableSQL = regexp.MustCompile(regexp.QuoteMeta("`"+name+"`")+"[^`,)]*?[,)]").ReplaceAllString(tableSQL, "")
}
// Ensure the query is ended properly
tableSQL = strings.TrimSpace(tableSQL)
if tableSQL[len(tableSQL)-1] != ')' {
if tableSQL[len(tableSQL)-1] == ',' {
tableSQL = tableSQL[:len(tableSQL)-1]
}
tableSQL += ")"
}
// Find all the columns in the table
columns := regexp.MustCompile("`([^`]*)`").FindAllString(tableSQL, -1)
tableSQL = fmt.Sprintf("CREATE TABLE `new_%s_new` ", tableName) + tableSQL
if _, err := sess.Exec(tableSQL); err != nil {
return err
}
// Now restore the data
columnsSeparated := strings.Join(columns, ",")
insertSQL := fmt.Sprintf("INSERT INTO `new_%s_new` (%s) SELECT %s FROM %s", tableName, columnsSeparated, columnsSeparated, tableName)
if _, err := sess.Exec(insertSQL); err != nil {
return err
}
// Now drop the old table
if _, err := sess.Exec(fmt.Sprintf("DROP TABLE `%s`", tableName)); err != nil {
return err
}
// Rename the table
if _, err := sess.Exec(fmt.Sprintf("ALTER TABLE `new_%s_new` RENAME TO `%s`", tableName, tableName)); err != nil {
return err
}
case setting.Database.UsePostgreSQL:
cols := ""
for _, col := range columnNames {
if cols != "" {
cols += ", "
}
cols += "DROP COLUMN `" + col + "` CASCADE"
}
if _, err := sess.Exec(fmt.Sprintf("ALTER TABLE `%s` %s", tableName, cols)); err != nil {
return fmt.Errorf("Drop table `%s` columns %v: %v", tableName, columnNames, err)
}
case setting.Database.UseMySQL:
// Drop indexes on columns first
sql := fmt.Sprintf("SHOW INDEX FROM %s WHERE column_name IN ('%s')", tableName, strings.Join(columnNames, "','"))
res, err := sess.Query(sql)
if err != nil {
return err
}
for _, index := range res {
indexName := index["column_name"]
if len(indexName) > 0 {
_, err := sess.Exec(fmt.Sprintf("DROP INDEX `%s` ON `%s`", indexName, tableName))
if err != nil {
return err
}
}
}
// Now drop the columns
cols := ""
for _, col := range columnNames {
if cols != "" {
cols += ", "
}
cols += "DROP COLUMN `" + col + "`"
}
if _, err := sess.Exec(fmt.Sprintf("ALTER TABLE `%s` %s", tableName, cols)); err != nil {
return fmt.Errorf("Drop table `%s` columns %v: %v", tableName, columnNames, err)
}
case setting.Database.UseMSSQL:
cols := ""
for _, col := range columnNames {
if cols != "" {
cols += ", "
}
cols += "`" + strings.ToLower(col) + "`"
}
sql := fmt.Sprintf("SELECT Name FROM SYS.DEFAULT_CONSTRAINTS WHERE PARENT_OBJECT_ID = OBJECT_ID('%[1]s') AND PARENT_COLUMN_ID IN (SELECT column_id FROM sys.columns WHERE lower(NAME) IN (%[2]s) AND object_id = OBJECT_ID('%[1]s'))",
tableName, strings.Replace(cols, "`", "'", -1))
constraints := make([]string, 0)
if err := sess.SQL(sql).Find(&constraints); err != nil {
sess.Rollback()
return fmt.Errorf("Find constraints: %v", err)
}
for _, constraint := range constraints {
if _, err := sess.Exec(fmt.Sprintf("ALTER TABLE `%s` DROP CONSTRAINT `%s`", tableName, constraint)); err != nil {
sess.Rollback()
return fmt.Errorf("Drop table `%s` constraint `%s`: %v", tableName, constraint, err)
}
}
if _, err := sess.Exec(fmt.Sprintf("ALTER TABLE `%s` DROP COLUMN %s", tableName, cols)); err != nil {
sess.Rollback()
return fmt.Errorf("Drop table `%s` columns %v: %v", tableName, columnNames, err)
}
return sess.Commit()
default:
log.Fatal("Unrecognized DB")
}
return nil
}