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mirror.go
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mirror.go
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package textile
import (
"context"
"fmt"
"io"
"github.com/FleekHQ/space-daemon/config"
"github.com/FleekHQ/space-daemon/core/space/domain"
"github.com/FleekHQ/space-daemon/core/textile/model"
"github.com/FleekHQ/space-daemon/core/textile/utils"
"github.com/FleekHQ/space-daemon/log"
"github.com/ipfs/interface-go-ipfs-core/path"
"github.com/textileio/go-threads/core/thread"
"github.com/textileio/go-threads/db"
bc "github.com/textileio/textile/api/buckets/client"
"github.com/textileio/textile/buckets"
)
const mirrorThreadKeyName = "mirrorV1"
func (tc *textileClient) IsMirrorFile(ctx context.Context, path, bucketSlug string) bool {
mirrorFile, _ := tc.GetModel().FindMirrorFileByPathAndBucketSlug(ctx, path, bucketSlug)
if mirrorFile != nil {
return true
}
return false
}
// set mirror file as backup
func (tc *textileClient) setMirrorFileBackup(ctx context.Context, path, bucketSlug string) error {
mf, err := tc.GetModel().FindMirrorFileByPathAndBucketSlug(ctx, path, bucketSlug)
if err != nil {
return err
}
if mf != nil {
// update
mf.Backup = true
_, err = tc.GetModel().UpdateMirrorFile(ctx, mf)
if err != nil {
return err
}
} else {
// create
mf := &domain.MirrorFile{
Path: path,
BucketSlug: bucketSlug,
Backup: true,
Shared: false,
}
_, err := tc.GetModel().CreateMirrorFile(ctx, mf)
if err != nil {
return err
}
}
return nil
}
// unset mirror file as backup
func (tc *textileClient) unsetMirrorFileBackup(ctx context.Context, path, bucketSlug string) error {
mf, err := tc.GetModel().FindMirrorFileByPathAndBucketSlug(ctx, path, bucketSlug)
if err != nil {
return err
}
if mf == nil {
log.Warn(fmt.Sprintf("mirror file (path=%+v bucketSlug=%+v) does not exist", path, bucketSlug))
return nil
}
// do not delete the instance because it might be shared
mf.Backup = false
_, err = tc.GetModel().UpdateMirrorFile(ctx, mf)
if err != nil {
return err
}
return nil
}
// return true if mirror file is a backup
func (tc *textileClient) isMirrorBackupFile(ctx context.Context, path, bucketSlug string) bool {
mf, err := tc.GetModel().FindMirrorFileByPathAndBucketSlug(ctx, path, bucketSlug)
if err != nil {
log.Error(fmt.Sprintf("Error checking if path=%+v bucketSlug=%+v is a mirror backup file", path, bucketSlug), err)
return false
}
if mf == nil {
log.Warn(fmt.Sprintf("mirror file (path=%+v bucketSlug=%+v) does not exist", path, bucketSlug))
return false
}
return mf.Backup == true
}
func (tc *textileClient) addCurrentUserAsFileOwner(ctx context.Context, bucketsClient *SecureBucketClient, key, path string) error {
roles := make(map[string]buckets.Role)
pk, err := tc.kc.GetStoredPublicKey()
if err != nil {
return err
}
tpk := thread.NewLibp2pPubKey(pk)
roles[tpk.String()] = buckets.Admin
return bucketsClient.PushPathAccessRoles(ctx, key, path, roles)
}
func (tc *textileClient) UploadFileToHub(ctx context.Context, b Bucket, path string, reader io.Reader) (result path.Resolved, root path.Path, err error) {
// XXX: locking?
bucket, err := tc.GetModel().FindBucket(ctx, b.Slug())
if err != nil {
return nil, nil, err
}
hubCtx, _, err := tc.getBucketContext(ctx, bucket.RemoteDbID, b.Slug(), true, bucket.EncryptionKey)
if err != nil {
return nil, nil, err
}
bucketsClient := NewSecureBucketsClient(
tc.hb,
b.Slug(),
)
result, root, err = bucketsClient.PushPath(hubCtx, bucket.RemoteBucketKey, path, reader)
if err != nil {
return nil, nil, err
}
err = tc.addCurrentUserAsFileOwner(hubCtx, bucketsClient, bucket.RemoteBucketKey, path)
if err != nil {
// not returning since we dont want to halt the whole process
// also acl will still work since they are the owner
// of the thread so this is more for showing members view
log.Error("Unable to push path access roles for owner", err)
}
return result, root, nil
}
// XXX: public in the interface as the reverse of UploadFileToHub?
func (tc *textileClient) deleteFileFromHub(ctx context.Context, b Bucket, path string) (err error) {
// XXX: locking?
bucket, err := tc.GetModel().FindBucket(ctx, b.Slug())
if err != nil {
return err
}
hubCtx, _, err := tc.getBucketContext(ctx, bucket.RemoteDbID, b.Slug(), true, bucket.EncryptionKey)
if err != nil {
return err
}
bucketsClient := NewSecureBucketsClient(
tc.hb,
b.Slug(),
)
_, err = bucketsClient.RemovePath(hubCtx, bucket.RemoteBucketKey, path)
if err != nil {
return err
}
return nil
}
// Creates a mirror bucket.
func (tc *textileClient) createMirrorBucket(ctx context.Context, schema model.BucketSchema) (*model.MirrorBucketSchema, error) {
log.Debug("Creating a new mirror bucket with slug " + defaultPersonalMirrorBucketSlug)
dbID, err := tc.createMirrorThread(ctx)
if err != nil {
return nil, err
}
hubCtx, _, err := tc.getBucketContext(ctx, utils.CastDbIDToString(*dbID), defaultPersonalMirrorBucketSlug, true, schema.EncryptionKey)
if err != nil {
return nil, err
}
// create mirror bucket
// TODO: use bucketname + _mirror to support any local buckets not just personal
b, err := tc.hb.Create(hubCtx, bc.WithName(defaultPersonalMirrorBucketSlug), bc.WithPrivate(true))
if err != nil {
return nil, err
}
return &model.MirrorBucketSchema{
RemoteDbID: utils.CastDbIDToString(*dbID),
RemoteBucketKey: b.Root.Key,
HubAddr: tc.cfg.GetString(config.TextileHubTarget, ""),
}, nil
}
// Creates a remote hub thread for the mirror bucket
func (tc *textileClient) createMirrorThread(ctx context.Context) (*thread.ID, error) {
log.Debug("createMirrorThread: Generating a new threadID ...")
var err error
ctx, err = tc.getHubCtx(ctx)
if err != nil {
return nil, err
}
dbID := thread.NewIDV1(thread.Raw, 32)
managedKey, err := tc.kc.GetManagedThreadKey(mirrorThreadKeyName)
if err != nil {
log.Error("error getting managed thread key", err)
return nil, err
}
log.Debug("createMirrorThread: Creating Thread DB for bucket at db " + dbID.String())
if err := tc.ht.NewDB(ctx, dbID, db.WithNewManagedThreadKey(managedKey)); err != nil {
return nil, err
}
log.Debug("createMirrorThread: Thread DB Created")
return &dbID, nil
}