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hash-document.go
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/
hash-document.go
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/*
* Copyright (c) 2018. Abstrium SAS <team (at) pydio.com>
* This file is part of Pydio Cells.
*
* Pydio Cells is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Pydio Cells is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Pydio Cells. If not, see <http://www.gnu.org/licenses/>.
*
* The latest code can be found at <https://pydio.com>.
*/
package rest
import (
"context"
"encoding/json"
"github.com/go-openapi/errors"
"github.com/pydio/cells/common"
"github.com/pydio/cells/common/auth/claim"
"github.com/pydio/cells/common/config"
"github.com/pydio/cells/common/proto/docstore"
"github.com/pydio/cells/common/proto/idm"
"github.com/pydio/cells/common/proto/rest"
"github.com/pydio/cells/common/service/defaults"
"github.com/pydio/cells/common/utils"
)
const PasswordComplexitySuffix = "#$!Az1"
type TargetUserEntry struct {
Display string `json:"display"`
DownloadCount int32 `json:"download_count"`
}
// HashDocument is a Json Marshallable representation of a document, compatible with legacy.
type HashDocument struct {
ShareType string `json:"SHARE_TYPE"`
ExpireTime int64 `json:"EXPIRE_TIME"`
ShortFormUrl string `json:"SHORT_FORM_URL"`
RepositoryId string `json:"REPOSITORY"`
ParentRepositoryId string `json:"PARENT_REPOSITORY_ID"`
DownloadDisabled bool `json:"DOWNLOAD_DISABLED"`
ApplicationBase string `json:"PYDIO_APPLICATION_BASE"`
TemplateName string `json:"PYDIO_TEMPLATE_NAME"`
DownloadLimit int64 `json:"DOWNLOAD_LIMIT"`
DownloadCount int64 `json:"DOWNLOAD_COUNT"`
PreLogUser string `json:"PRELOG_USER"`
PresetLogin string `json:"PRESET_LOGIN"`
Target string `json:"TARGET"`
TargetUsers map[string]*TargetUserEntry `json:"TARGET_USERS"`
RestrictToTargetUsers bool `json:"RESTRICT_TO_TARGET_USERS"`
OwnerId string `json:"OWNER_ID"`
PreUserUuid string `json:"USER_UUID"`
}
func StoreHashDocument(ctx context.Context, link *rest.ShareLink, updateHash ...string) error {
store := docstore.NewDocStoreClient(common.SERVICE_GRPC_NAMESPACE_+common.SERVICE_DOCSTORE, defaults.NewClient())
claims := ctx.Value(claim.ContextKey).(claim.Claims)
hashDoc := &HashDocument{
OwnerId: claims.Name,
TemplateName: link.ViewTemplateName,
RepositoryId: link.Uuid,
ExpireTime: link.AccessEnd,
DownloadLimit: link.MaxDownloads,
ShareType: "minisite",
}
if link.PasswordRequired {
hashDoc.PresetLogin = link.UserLogin
} else {
hashDoc.PreLogUser = link.UserLogin
}
hashDoc.PreUserUuid = link.Uuid
if link.TargetUsers != nil && len(link.TargetUsers) > 0 {
hashDoc.TargetUsers = make(map[string]*TargetUserEntry)
for id, t := range link.TargetUsers {
hashDoc.TargetUsers[id] = &TargetUserEntry{Display: t.Display, DownloadCount: t.DownloadCount}
}
hashDoc.RestrictToTargetUsers = link.RestrictToTargetUsers
}
DownloadEnabled := false
for _, perm := range link.Permissions {
if perm == rest.ShareLinkAccessType_Download {
DownloadEnabled = true
break
}
}
hashDoc.DownloadDisabled = !DownloadEnabled
hashDocMarshaled, _ := json.Marshal(hashDoc)
var removeHash string
if len(updateHash) > 0 && len(updateHash[0]) > 0 {
removeHash = link.LinkHash
link.LinkHash = updateHash[0]
}
doc := &docstore.Document{
ID: link.LinkHash,
Data: string(hashDocMarshaled),
IndexableMeta: string(hashDocMarshaled),
}
_, e := store.PutDocument(ctx, &docstore.PutDocumentRequest{Document: doc, DocumentID: doc.ID, StoreID: "share"})
if removeHash != "" {
_, e = store.DeleteDocuments(ctx, &docstore.DeleteDocumentsRequest{StoreID: "share", DocumentID: removeHash})
}
return e
}
func LoadHashDocumentData(ctx context.Context, shareLink *rest.ShareLink, acls []*idm.ACL) error {
store := docstore.NewDocStoreClient(common.SERVICE_GRPC_NAMESPACE_+common.SERVICE_DOCSTORE, defaults.NewClient())
streamer, er := store.ListDocuments(ctx, &docstore.ListDocumentsRequest{StoreID: "share", Query: &docstore.DocumentQuery{
MetaQuery: "+REPOSITORY:\"" + shareLink.Uuid + "\" +SHARE_TYPE:minisite",
}})
if er != nil {
return er
}
var linkDoc *docstore.Document
defer streamer.Close()
for {
resp, e := streamer.Recv()
if e != nil {
break
}
if resp.Document != nil {
linkDoc = resp.Document
break
}
}
if linkDoc == nil {
return errors.NotFound(common.SERVICE_DOCSTORE, "Cannot find link associated to this workspace")
}
shareLink.LinkHash = linkDoc.ID
var linkData *HashDocument
if err := json.Unmarshal([]byte(linkDoc.Data), &linkData); err == nil {
shareLink.ViewTemplateName = linkData.TemplateName
shareLink.AccessEnd = linkData.ExpireTime
shareLink.MaxDownloads = linkData.DownloadLimit
shareLink.CurrentDownloads = linkData.DownloadCount
if linkData.PresetLogin != "" {
shareLink.PasswordRequired = true
shareLink.UserLogin = linkData.PresetLogin
} else {
shareLink.UserLogin = linkData.PreLogUser
}
shareLink.UserUuid = linkData.PreUserUuid
if linkData.TargetUsers != nil && len(linkData.TargetUsers) > 0 {
shareLink.TargetUsers = make(map[string]*rest.ShareLinkTargetUser)
for id, t := range linkData.TargetUsers {
shareLink.TargetUsers[id] = &rest.ShareLinkTargetUser{Display: t.Display, DownloadCount: t.DownloadCount}
}
shareLink.RestrictToTargetUsers = linkData.RestrictToTargetUsers
}
} else {
return err
}
for _, acl := range acls {
if acl.Action.Name == utils.ACL_READ.Name {
shareLink.Permissions = append(shareLink.Permissions, rest.ShareLinkAccessType_Preview)
if !linkData.DownloadDisabled {
shareLink.Permissions = append(shareLink.Permissions, rest.ShareLinkAccessType_Download)
}
} else if acl.Action.Name == utils.ACL_WRITE.Name {
shareLink.Permissions = append(shareLink.Permissions, rest.ShareLinkAccessType_Upload)
}
}
shareLink.LinkUrl = config.Get("defaults", "url").String("") + "/public/" + shareLink.LinkHash
return nil
}
func DeleteHashDocument(ctx context.Context, shareId string) error {
store := docstore.NewDocStoreClient(common.SERVICE_GRPC_NAMESPACE_+common.SERVICE_DOCSTORE, defaults.NewClient())
resp, err := store.DeleteDocuments(ctx, &docstore.DeleteDocumentsRequest{StoreID: "share", Query: &docstore.DocumentQuery{
MetaQuery: "+REPOSITORY:\"" + shareId + "\" +SHARE_TYPE:minisite",
}})
if err != nil {
return err
}
if !resp.Success || resp.DeletionCount == 0 {
return errors.NotFound(common.SERVICE_SHARE, "Could not delete hash associated to this workspace "+shareId)
}
return nil
}