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// Copyright 2021 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package user
import (
"context"
"fmt"
"strings"
"code.gitea.io/gitea/models/db"
"code.gitea.io/gitea/modules/structs"
"code.gitea.io/gitea/modules/util"
"xorm.io/builder"
"xorm.io/xorm"
)
// SearchUserOptions contains the options for searching
type SearchUserOptions struct {
db.ListOptions
Keyword string
Type UserType
UID int64
LoginName string // this option should be used only for admin user
SourceID int64 // this option should be used only for admin user
OrderBy db.SearchOrderBy
Visible []structs.VisibleType
Actor *User // The user doing the search
SearchByEmail bool // Search by email as well as username/full name
IsActive util.OptionalBool
IsAdmin util.OptionalBool
IsRestricted util.OptionalBool
IsTwoFactorEnabled util.OptionalBool
IsProhibitLogin util.OptionalBool
IncludeReserved bool
ExtraParamStrings map[string]string
}
func (opts *SearchUserOptions) toSearchQueryBase(ctx context.Context) *xorm.Session {
var cond builder.Cond
cond = builder.Eq{"type": opts.Type}
if opts.IncludeReserved {
if opts.Type == UserTypeIndividual {
cond = cond.Or(builder.Eq{"type": UserTypeUserReserved}).Or(
builder.Eq{"type": UserTypeBot},
).Or(
builder.Eq{"type": UserTypeRemoteUser},
)
} else if opts.Type == UserTypeOrganization {
cond = cond.Or(builder.Eq{"type": UserTypeOrganizationReserved})
}
}
if len(opts.Keyword) > 0 {
lowerKeyword := strings.ToLower(opts.Keyword)
keywordCond := builder.Or(
builder.Like{"lower_name", lowerKeyword},
builder.Like{"LOWER(full_name)", lowerKeyword},
)
if opts.SearchByEmail {
keywordCond = keywordCond.Or(builder.Like{"LOWER(email)", lowerKeyword})
}
cond = cond.And(keywordCond)
}
// If visibility filtered
if len(opts.Visible) > 0 {
cond = cond.And(builder.In("visibility", opts.Visible))
}
cond = cond.And(BuildCanSeeUserCondition(opts.Actor))
if opts.UID > 0 {
cond = cond.And(builder.Eq{"id": opts.UID})
}
if opts.SourceID > 0 {
cond = cond.And(builder.Eq{"login_source": opts.SourceID})
}
if opts.LoginName != "" {
cond = cond.And(builder.Eq{"login_name": opts.LoginName})
}
if !opts.IsActive.IsNone() {
cond = cond.And(builder.Eq{"is_active": opts.IsActive.IsTrue()})
}
if !opts.IsAdmin.IsNone() {
cond = cond.And(builder.Eq{"is_admin": opts.IsAdmin.IsTrue()})
}
if !opts.IsRestricted.IsNone() {
cond = cond.And(builder.Eq{"is_restricted": opts.IsRestricted.IsTrue()})
}
if !opts.IsProhibitLogin.IsNone() {
cond = cond.And(builder.Eq{"prohibit_login": opts.IsProhibitLogin.IsTrue()})
}
e := db.GetEngine(ctx)
if opts.IsTwoFactorEnabled.IsNone() {
return e.Where(cond)
}
// 2fa filter uses LEFT JOIN to check whether a user has a 2fa record
// While using LEFT JOIN, sometimes the performance might not be good, but it won't be a problem now, such SQL is seldom executed.
// There are some possible methods to refactor this SQL in future when we really need to optimize the performance (but not now):
// (1) add a column in user table (2) add a setting value in user_setting table (3) use search engines (bleve/elasticsearch)
if opts.IsTwoFactorEnabled.IsTrue() {
cond = cond.And(builder.Expr("two_factor.uid IS NOT NULL"))
} else {
cond = cond.And(builder.Expr("two_factor.uid IS NULL"))
}
return e.Join("LEFT OUTER", "two_factor", "two_factor.uid = `user`.id").
Where(cond)
}
// SearchUsers takes options i.e. keyword and part of user name to search,
// it returns results in given range and number of total results.
func SearchUsers(ctx context.Context, opts *SearchUserOptions) (users []*User, _ int64, _ error) {
sessCount := opts.toSearchQueryBase(ctx)
defer sessCount.Close()
count, err := sessCount.Count(new(User))
if err != nil {
return nil, 0, fmt.Errorf("Count: %w", err)
}
if len(opts.OrderBy) == 0 {
opts.OrderBy = db.SearchOrderByAlphabetically
}
sessQuery := opts.toSearchQueryBase(ctx).OrderBy(opts.OrderBy.String())
defer sessQuery.Close()
if opts.Page != 0 {
sessQuery = db.SetSessionPagination(sessQuery, opts)
}
// the sql may contain JOIN, so we must only select User related columns
sessQuery = sessQuery.Select("`user`.*")
users = make([]*User, 0, opts.PageSize)
return users, count, sessQuery.Find(&users)
}
// BuildCanSeeUserCondition creates a condition which can be used to restrict results to users/orgs the actor can see
func BuildCanSeeUserCondition(actor *User) builder.Cond {
if actor != nil {
// If Admin - they see all users!
if !actor.IsAdmin {
// Users can see an organization they are a member of
cond := builder.In("`user`.id", builder.Select("org_id").From("org_user").Where(builder.Eq{"uid": actor.ID}))
if !actor.IsRestricted {
// Not-Restricted users can see public and limited users/organizations
cond = cond.Or(builder.In("`user`.visibility", structs.VisibleTypePublic, structs.VisibleTypeLimited))
}
// Don't forget about self
return cond.Or(builder.Eq{"`user`.id": actor.ID})
}
return nil
}
// Force visibility for privacy
// Not logged in - only public users
return builder.In("`user`.visibility", structs.VisibleTypePublic)
}
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