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// Copyright 2022 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 container
import (
"context"
"errors"
"strings"
"time"
"code.gitea.io/gitea/models/db"
"code.gitea.io/gitea/models/packages"
container_module "code.gitea.io/gitea/modules/packages/container"
"xorm.io/builder"
)
var ErrContainerBlobNotExist = errors.New("Container blob does not exist")
type BlobSearchOptions struct {
OwnerID int64
Image string
Digest string
Tag string
IsManifest bool
}
func (opts *BlobSearchOptions) toConds() builder.Cond {
var cond builder.Cond = builder.Eq{
"package.type": packages.TypeContainer,
}
if opts.OwnerID != 0 {
cond = cond.And(builder.Eq{"package.owner_id": opts.OwnerID})
}
if opts.Image != "" {
cond = cond.And(builder.Eq{"package.lower_name": strings.ToLower(opts.Image)})
}
if opts.Tag != "" {
cond = cond.And(builder.Eq{"package_version.lower_version": strings.ToLower(opts.Tag)})
}
if opts.IsManifest {
cond = cond.And(builder.Eq{"package_file.lower_name": ManifestFilename})
}
if opts.Digest != "" {
var propsCond builder.Cond = builder.Eq{
"package_property.ref_type": packages.PropertyTypeFile,
"package_property.name": container_module.PropertyDigest,
"package_property.value": opts.Digest,
}
cond = cond.And(builder.In("package_file.id", builder.Select("package_property.ref_id").Where(propsCond).From("package_property")))
}
return cond
}
// GetContainerBlob gets the container blob matching the blob search options
// If multiple matching blobs are found (manifests with the same digest) the first (according to the database) is selected.
func GetContainerBlob(ctx context.Context, opts *BlobSearchOptions) (*packages.PackageFileDescriptor, error) {
pfds, err := getContainerBlobsLimit(ctx, opts, 1)
if err != nil {
return nil, err
}
if len(pfds) != 1 {
return nil, ErrContainerBlobNotExist
}
return pfds[0], nil
}
// GetContainerBlobs gets the container blobs matching the blob search options
func GetContainerBlobs(ctx context.Context, opts *BlobSearchOptions) ([]*packages.PackageFileDescriptor, error) {
return getContainerBlobsLimit(ctx, opts, 0)
}
func getContainerBlobsLimit(ctx context.Context, opts *BlobSearchOptions, limit int) ([]*packages.PackageFileDescriptor, error) {
pfs := make([]*packages.PackageFile, 0, limit)
sess := db.GetEngine(ctx).
Join("INNER", "package_version", "package_version.id = package_file.version_id").
Join("INNER", "package", "package.id = package_version.package_id").
Where(opts.toConds())
if limit > 0 {
sess = sess.Limit(limit)
}
if err := sess.Find(&pfs); err != nil {
return nil, err
}
pfds := make([]*packages.PackageFileDescriptor, 0, len(pfs))
for _, pf := range pfs {
pfd, err := packages.GetPackageFileDescriptor(ctx, pf)
if err != nil {
return nil, err
}
pfds = append(pfds, pfd)
}
return pfds, nil
}
// GetManifestVersions gets all package versions representing the matching manifest
func GetManifestVersions(ctx context.Context, opts *BlobSearchOptions) ([]*packages.PackageVersion, error) {
cond := opts.toConds().And(builder.Eq{"package_version.is_internal": false})
pvs := make([]*packages.PackageVersion, 0, 10)
return pvs, db.GetEngine(ctx).
Join("INNER", "package", "package.id = package_version.package_id").
Join("INNER", "package_file", "package_file.version_id = package_version.id").
Where(cond).
Find(&pvs)
}
// GetImageTags gets a sorted list of the tags of an image
// The result is suitable for the api call.
func GetImageTags(ctx context.Context, ownerID int64, image string, n int, last string) ([]string, error) {
// Short circuit: n == 0 should return an empty list
if n == 0 {
return []string{}, nil
}
var cond builder.Cond = builder.Eq{
"package.type": packages.TypeContainer,
"package.owner_id": ownerID,
"package.lower_name": strings.ToLower(image),
"package_version.is_internal": false,
}
var propsCond builder.Cond = builder.Eq{
"package_property.ref_type": packages.PropertyTypeVersion,
"package_property.name": container_module.PropertyManifestTagged,
}
cond = cond.And(builder.In("package_version.id", builder.Select("package_property.ref_id").Where(propsCond).From("package_property")))
if last != "" {
cond = cond.And(builder.Gt{"package_version.lower_version": strings.ToLower(last)})
}
sess := db.GetEngine(ctx).
Table("package_version").
Select("package_version.lower_version").
Join("INNER", "package", "package.id = package_version.package_id").
Where(cond).
Asc("package_version.lower_version")
var tags []string
if n > 0 {
sess = sess.Limit(n)
tags = make([]string, 0, n)
} else {
tags = make([]string, 0, 10)
}
return tags, sess.Find(&tags)
}
type ImageTagsSearchOptions struct {
PackageID int64
Query string
IsTagged bool
db.Paginator
}
func (opts *ImageTagsSearchOptions) toConds() builder.Cond {
var cond builder.Cond = builder.Eq{
"package.type": packages.TypeContainer,
"package.id": opts.PackageID,
"package_version.is_internal": false,
}
if opts.Query != "" {
cond = cond.And(builder.Like{"package_version.lower_version", strings.ToLower(opts.Query)})
}
var propsCond builder.Cond = builder.Eq{
"package_property.ref_type": packages.PropertyTypeVersion,
"package_property.name": container_module.PropertyManifestTagged,
}
in := builder.In("package_version.id", builder.Select("package_property.ref_id").Where(propsCond).From("package_property"))
if opts.IsTagged {
cond = cond.And(in)
} else {
cond = cond.And(builder.Not{in})
}
return cond
}
// SearchImageTags gets a sorted list of the tags of an image
func SearchImageTags(ctx context.Context, opts *ImageTagsSearchOptions) ([]*packages.PackageVersion, int64, error) {
sess := db.GetEngine(ctx).
Join("INNER", "package", "package.id = package_version.package_id").
Where(opts.toConds()).
Desc("package_version.created_unix")
if opts.Paginator != nil {
sess = db.SetSessionPagination(sess, opts)
}
pvs := make([]*packages.PackageVersion, 0, 10)
count, err := sess.FindAndCount(&pvs)
return pvs, count, err
}
func SearchExpiredUploadedBlobs(ctx context.Context, olderThan time.Duration) ([]*packages.PackageFile, error) {
var cond builder.Cond = builder.Eq{
"package_version.is_internal": true,
"package_version.lower_version": UploadVersion,
"package.type": packages.TypeContainer,
}
cond = cond.And(builder.Lt{"package_file.created_unix": time.Now().Add(-olderThan).Unix()})
var pfs []*packages.PackageFile
return pfs, db.GetEngine(ctx).
Join("INNER", "package_version", "package_version.id = package_file.version_id").
Join("INNER", "package", "package.id = package_version.package_id").
Where(cond).
Find(&pfs)
}
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