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received_file.go
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received_file.go
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package model
import (
"context"
"errors"
"time"
"github.com/FleekHQ/space-daemon/core/space/domain"
"github.com/FleekHQ/space-daemon/log"
"github.com/textileio/go-threads/api/client"
core "github.com/textileio/go-threads/core/db"
"github.com/textileio/go-threads/core/thread"
"github.com/textileio/go-threads/db"
"github.com/textileio/go-threads/util"
)
type ReceivedFileViaPublicLinkSchema struct {
PublicIpfsHash string `json:"publicIpfsHash"`
FilePassword string `json:"filePassword"`
FileName string `json:"fileName"`
FileSize string `json:"fileSize"`
}
type ReceivedFileViaInvitationSchema struct {
DbID string `json:"dbId"`
Bucket string `json:"bucket"`
Path string `json:"path"`
InvitationId string `json:"invitationId"`
BucketKey string `json:"bucketKey"`
EncryptionKey []byte `json:"encryptionKey"`
SharedBy string `json:"sharedBy"`
}
// ReceivedFileSchema represents data of files shared with a user
// A file is shared with a user either by direct invite to the user or through a publicly accessible link
type ReceivedFileSchema struct {
ID core.InstanceID `json:"_id"`
Accepted bool `json:"accepted"`
CreatedAt int64 `json:"created_at"`
ReceivedFileViaInvitationSchema
ReceivedFileViaPublicLinkSchema
}
func (r ReceivedFileSchema) IsPublicLinkReceived() bool {
return r.InvitationId == ""
}
const receivedFileModelName = "ReceivedFile"
var errReceivedFileNotFound = errors.New("Received file not found")
// Creates the metadata for a file that has been shared to the user
func (m *model) CreateReceivedFileViaInvitation(
ctx context.Context,
file domain.FullPath,
invitationID string,
accepted bool,
key []byte,
inviterPubKey string,
) (*ReceivedFileSchema, error) {
log.Debug("Model.CreateReceivedFileViaInvitation: Storing received file", "file:"+file.Path)
if existingFile, err := m.FindReceivedFile(ctx, file.DbId, file.Bucket, file.Path); err == nil {
log.Debug("Model.CreateReceivedFileViaInvitation: Bucket already in collection")
return existingFile, nil
}
newInstance := &ReceivedFileSchema{
ID: "",
ReceivedFileViaInvitationSchema: ReceivedFileViaInvitationSchema{
DbID: file.DbId,
Bucket: file.Bucket,
Path: file.Path,
InvitationId: invitationID,
BucketKey: file.BucketKey,
EncryptionKey: key,
SharedBy: inviterPubKey,
},
Accepted: accepted,
CreatedAt: time.Now().UnixNano(),
}
return m.createReceivedFile(ctx, newInstance)
}
func (m *model) CreateReceivedFileViaPublicLink(
ctx context.Context,
ipfsHash string,
password string,
filename string,
fileSize string,
accepted bool,
) (*ReceivedFileSchema, error) {
log.Debug(
"Model.CreateReceivedFileViaPublicLink: Storing received file",
"hash:"+ipfsHash,
"filename:"+filename,
)
if existingFile, err := m.FindPublicLinkReceivedFile(ctx, ipfsHash); err == nil {
log.Debug("Model.CreateReceivedFileViaPublicLink: similar file already shared with user")
return existingFile, nil
}
newInstance := &ReceivedFileSchema{
ReceivedFileViaPublicLinkSchema: ReceivedFileViaPublicLinkSchema{
PublicIpfsHash: ipfsHash,
FilePassword: password,
FileName: filename,
FileSize: fileSize,
},
ReceivedFileViaInvitationSchema: ReceivedFileViaInvitationSchema{
EncryptionKey: []byte(""),
},
Accepted: accepted,
CreatedAt: time.Now().UnixNano(),
}
return m.createReceivedFile(ctx, newInstance)
}
func (m *model) createReceivedFile(ctx context.Context, instance *ReceivedFileSchema) (*ReceivedFileSchema, error) {
metaCtx, metaDbID, err := m.initReceivedFileModel(ctx)
if err != nil && metaDbID == nil {
return nil, err
}
instances := client.Instances{instance}
res, err := m.threads.Create(metaCtx, *metaDbID, receivedFileModelName, instances)
if err != nil {
return nil, err
}
log.Debug("Model.createReceivedFile: stored received file", "instance_id:"+res[0])
id := res[0]
return &ReceivedFileSchema{
ID: core.InstanceID(id),
ReceivedFileViaInvitationSchema: instance.ReceivedFileViaInvitationSchema,
ReceivedFileViaPublicLinkSchema: instance.ReceivedFileViaPublicLinkSchema,
Accepted: instance.Accepted,
CreatedAt: instance.CreatedAt,
}, nil
}
func (m *model) FindReceivedFilesByIds(ctx context.Context, ids []string) ([]*ReceivedFileSchema, error) {
metaCtx, dbID, err := m.initReceivedFileModel(ctx)
if err != nil || dbID == nil {
return nil, err
}
var qry *db.Query
for i, id := range ids {
if i == 0 {
qry = db.Where("invitationId").Eq(id)
} else {
qry = qry.Or(db.Where("invitationId").Eq(id))
}
}
fileSchemasRaw, err := m.threads.Find(metaCtx, *dbID, receivedFileModelName, qry, &ReceivedFileSchema{})
if err != nil {
return nil, err
}
fileSchemas := fileSchemasRaw.([]*ReceivedFileSchema)
return fileSchemas, nil
}
// Finds the metadata of a file that has been shared to the user
func (m *model) FindReceivedFile(ctx context.Context, remoteDbID, bucket, path string) (*ReceivedFileSchema, error) {
metaCtx, dbID, err := m.initReceivedFileModel(ctx)
if err != nil || dbID == nil {
return nil, err
}
rawFiles, err := m.threads.Find(metaCtx, *dbID, receivedFileModelName, db.Where("dbId").Eq(remoteDbID).And("bucket").Eq(bucket).And("path").Eq(path), &ReceivedFileSchema{})
if err != nil {
return nil, err
}
if rawFiles == nil {
return nil, errReceivedFileNotFound
}
files := rawFiles.([]*ReceivedFileSchema)
if len(files) == 0 {
return nil, errReceivedFileNotFound
}
log.Debug("Model.FindReceivedFile: returning file with path " + files[0].Path)
return files[0], nil
}
func (m *model) FindPublicLinkReceivedFile(ctx context.Context, ipfsHash string) (*ReceivedFileSchema, error) {
metaCtx, dbID, err := m.initReceivedFileModel(ctx)
if err != nil || dbID == nil {
return nil, err
}
rawFiles, err := m.threads.Find(
metaCtx,
*dbID,
receivedFileModelName,
db.Where("publicIpfsHash").Eq(ipfsHash),
&ReceivedFileSchema{},
)
if err != nil {
return nil, err
}
if rawFiles == nil {
return nil, errReceivedFileNotFound
}
files := rawFiles.([]*ReceivedFileSchema)
if len(files) == 0 {
return nil, errReceivedFileNotFound
}
log.Debug("Model.findPublicLinkReceivedFile: returning file with hash " + files[0].PublicIpfsHash)
return files[0], nil
}
// Lists the metadata of files received by the user
// use accepted bool to look up for either accepted or rejected files
// If seek == "", will start looking from the beginning. If it's an existing ID it will start looking from that ID.
func (m *model) ListReceivedFiles(ctx context.Context, accepted bool, seek string, limit int) ([]*ReceivedFileSchema, error) {
metaCtx, dbID, err := m.initReceivedFileModel(ctx)
if err != nil || dbID == nil {
return nil, err
}
query := db.Where("accepted").Eq(accepted).LimitTo(limit)
if seek != "" {
query = query.SeekID(core.InstanceID(seek))
}
rawFiles, err := m.threads.Find(metaCtx, *dbID, receivedFileModelName, query, &ReceivedFileSchema{})
if err != nil {
return nil, err
}
if rawFiles == nil {
return []*ReceivedFileSchema{}, nil
}
files := rawFiles.([]*ReceivedFileSchema)
return files, nil
}
func (m *model) DeleteReceivedFiles(ctx context.Context, paths []domain.FullPath, keys [][]byte) error {
if len(paths) == 0 {
return nil
}
metaCtx, dbID, err := m.initReceivedFileModel(ctx)
if err != nil || dbID == nil {
return err
}
// build find query
var findQuery *db.Query
for i, path := range paths {
q := db.Where("dbId").Eq(path.DbId).
And("bucket").Eq(path.BucketKey).
And("path").Eq(path.Path).
And("encryptionKey").Eq(keys[i])
if findQuery == nil {
findQuery = q
} else {
findQuery = findQuery.Or(q)
}
}
rawFiles, err := m.threads.Find(metaCtx, *dbID, receivedFileModelName, findQuery, &ReceivedFileSchema{})
if err != nil {
return err
}
if rawFiles == nil {
return nil
}
// extract instance ids from result
files := rawFiles.([]*ReceivedFileSchema)
instanceIds := make([]string, len(files))
for i, file := range files {
instanceIds[i] = file.ID.String()
}
return m.threads.Delete(metaCtx, *dbID, receivedFileModelName, instanceIds)
}
func (m *model) ListReceivedPublicFiles(
ctx context.Context,
cidHash string,
accepted bool,
) ([]*ReceivedFileSchema, error) {
metaCtx, dbID, err := m.initReceivedFileModel(ctx)
if err != nil || dbID == nil {
return nil, err
}
query := db.Where("accepted").Eq(accepted).And("publicIpfsHash").Eq(cidHash)
rawFiles, err := m.threads.Find(metaCtx, *dbID, receivedFileModelName, query, &ReceivedFileSchema{})
if err != nil {
return nil, err
}
if rawFiles == nil {
return []*ReceivedFileSchema{}, nil
}
files := rawFiles.([]*ReceivedFileSchema)
return files, nil
}
func (m *model) initReceivedFileModel(ctx context.Context) (context.Context, *thread.ID, error) {
metaCtx, dbID, err := m.getMetaThreadContext(ctx)
if err != nil {
return nil, nil, err
}
if err := m.threads.NewCollection(metaCtx, *dbID, GetReceivedFileCollectionConfig()); err != nil {
log.Debug("initReceivedFileModel: collection already exists")
}
return metaCtx, dbID, nil
}
func GetReceivedFileCollectionConfig() db.CollectionConfig {
return db.CollectionConfig{
Name: receivedFileModelName,
Schema: util.SchemaFromInstance(&ReceivedFileSchema{}, false),
}
}