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focalboard/server/api/blocks.go

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package api
import (
"encoding/json"
"fmt"
"io"
"net/http"
"strconv"
"github.com/gorilla/mux"
"github.com/mattermost/focalboard/server/model"
"github.com/mattermost/focalboard/server/services/audit"
"github.com/mattermost/mattermost-server/v6/shared/mlog"
)
func (a *API) registerBlocksRoutes(r *mux.Router) {
// Blocks APIs
r.HandleFunc("/boards/{boardID}/blocks", a.attachSession(a.handleGetBlocks, false)).Methods("GET")
r.HandleFunc("/boards/{boardID}/blocks", a.sessionRequired(a.handlePostBlocks)).Methods("POST")
r.HandleFunc("/boards/{boardID}/blocks", a.sessionRequired(a.handlePatchBlocks)).Methods("PATCH")
r.HandleFunc("/boards/{boardID}/blocks/{blockID}", a.sessionRequired(a.handleDeleteBlock)).Methods("DELETE")
r.HandleFunc("/boards/{boardID}/blocks/{blockID}", a.sessionRequired(a.handlePatchBlock)).Methods("PATCH")
r.HandleFunc("/boards/{boardID}/blocks/{blockID}/undelete", a.sessionRequired(a.handleUndeleteBlock)).Methods("POST")
r.HandleFunc("/boards/{boardID}/blocks/{blockID}/duplicate", a.sessionRequired(a.handleDuplicateBlock)).Methods("POST")
}
func (a *API) handleGetBlocks(w http.ResponseWriter, r *http.Request) {
// swagger:operation GET /boards/{boardID}/blocks getBlocks
//
// Returns blocks
//
// ---
// produces:
// - application/json
// parameters:
// - name: boardID
// in: path
// description: Board ID
// required: true
// type: string
// - name: parent_id
// in: query
// description: ID of parent block, omit to specify all blocks
// required: false
// type: string
// - name: type
// in: query
// description: Type of blocks to return, omit to specify all types
// required: false
// type: string
// security:
// - BearerAuth: []
// responses:
// '200':
// description: success
// schema:
// type: array
// items:
// "$ref": "#/definitions/Block"
// '404':
// description: board not found
// default:
// description: internal error
// schema:
// "$ref": "#/definitions/ErrorResponse"
query := r.URL.Query()
parentID := query.Get("parent_id")
blockType := query.Get("type")
all := query.Get("all")
blockID := query.Get("block_id")
boardID := mux.Vars(r)["boardID"]
userID := getUserID(r)
hasValidReadToken := a.hasValidReadTokenForBoard(r, boardID)
if userID == "" && !hasValidReadToken {
a.errorResponse(w, r, model.NewErrUnauthorized("access denied to board"))
return
}
board, err := a.app.GetBoard(boardID)
if err != nil {
a.errorResponse(w, r, err)
return
}
if !hasValidReadToken {
if board.IsTemplate && board.Type == model.BoardTypeOpen {
if board.TeamID != model.GlobalTeamID && !a.permissions.HasPermissionToTeam(userID, board.TeamID, model.PermissionViewTeam) {
a.errorResponse(w, r, model.NewErrPermission("access denied to board template"))
return
}
} else {
if !a.permissions.HasPermissionToBoard(userID, boardID, model.PermissionViewBoard) {
a.errorResponse(w, r, model.NewErrPermission("access denied to board"))
return
}
}
if board.IsTemplate {
var isGuest bool
isGuest, err = a.userIsGuest(userID)
if err != nil {
a.errorResponse(w, r, err)
return
}
if isGuest {
a.errorResponse(w, r, model.NewErrPermission("guest are not allowed to get board templates"))
return
}
}
}
auditRec := a.makeAuditRecord(r, "getBlocks", audit.Fail)
defer a.audit.LogRecord(audit.LevelRead, auditRec)
auditRec.AddMeta("boardID", boardID)
auditRec.AddMeta("parentID", parentID)
auditRec.AddMeta("blockType", blockType)
auditRec.AddMeta("all", all)
auditRec.AddMeta("blockID", blockID)
var blocks []*model.Block
var block *model.Block
switch {
case all != "":
blocks, err = a.app.GetBlocksForBoard(boardID)
if err != nil {
a.errorResponse(w, r, err)
return
}
case blockID != "":
block, err = a.app.GetBlockByID(blockID)
if err != nil {
a.errorResponse(w, r, err)
return
}
if block.BoardID != boardID {
message := fmt.Sprintf("block ID=%s on BoardID=%s", block.ID, boardID)
a.errorResponse(w, r, model.NewErrNotFound(message))
return
}
blocks = append(blocks, block)
default:
blocks, err = a.app.GetBlocks(boardID, parentID, blockType)
if err != nil {
a.errorResponse(w, r, err)
return
}
}
a.logger.Debug("GetBlocks",
mlog.String("boardID", boardID),
mlog.String("parentID", parentID),
mlog.String("blockType", blockType),
mlog.String("blockID", blockID),
mlog.Int("block_count", len(blocks)),
)
var bErr error
blocks, bErr = a.app.ApplyCloudLimits(blocks)
if bErr != nil {
a.errorResponse(w, r, err)
return
}
json, err := json.Marshal(blocks)
if err != nil {
a.errorResponse(w, r, err)
return
}
jsonBytesResponse(w, http.StatusOK, json)
auditRec.AddMeta("blockCount", len(blocks))
auditRec.Success()
}
func (a *API) handlePostBlocks(w http.ResponseWriter, r *http.Request) {
// swagger:operation POST /boards/{boardID}/blocks updateBlocks
//
// Insert blocks. The specified IDs will only be used to link
// blocks with existing ones, the rest will be replaced by server
// generated IDs
//
// ---
// produces:
// - application/json
// parameters:
// - name: boardID
// in: path
// description: Board ID
// required: true
// type: string
// - name: disable_notify
// in: query
// description: Disables notifications (for bulk inserting)
// required: false
// type: bool
// - name: Body
// in: body
// description: array of blocks to insert or update
// required: true
// schema:
// type: array
// items:
// "$ref": "#/definitions/Block"
// security:
// - BearerAuth: []
// responses:
// '200':
// description: success
// schema:
// items:
// $ref: '#/definitions/Block'
// type: array
// default:
// description: internal error
// schema:
// "$ref": "#/definitions/ErrorResponse"
boardID := mux.Vars(r)["boardID"]
userID := getUserID(r)
val := r.URL.Query().Get("disable_notify")
disableNotify := val == True
requestBody, err := io.ReadAll(r.Body)
if err != nil {
a.errorResponse(w, r, err)
return
}
var blocks []*model.Block
err = json.Unmarshal(requestBody, &blocks)
if err != nil {
a.errorResponse(w, r, err)
return
}
hasComments := false
hasContents := false
for _, block := range blocks {
// Error checking
if len(block.Type) < 1 {
message := fmt.Sprintf("missing type for block id %s", block.ID)
a.errorResponse(w, r, model.NewErrBadRequest(message))
return
}
if block.Type == model.TypeComment {
hasComments = true
} else {
hasContents = true
}
if block.CreateAt < 1 {
message := fmt.Sprintf("invalid createAt for block id %s", block.ID)
a.errorResponse(w, r, model.NewErrBadRequest(message))
return
}
if block.UpdateAt < 1 {
message := fmt.Sprintf("invalid UpdateAt for block id %s", block.ID)
a.errorResponse(w, r, model.NewErrBadRequest(message))
return
}
if block.BoardID != boardID {
message := fmt.Sprintf("invalid BoardID for block id %s", block.ID)
a.errorResponse(w, r, model.NewErrBadRequest(message))
return
}
}
if hasContents {
if !a.permissions.HasPermissionToBoard(userID, boardID, model.PermissionManageBoardCards) {
a.errorResponse(w, r, model.NewErrPermission("access denied to make board changes"))
return
}
}
if hasComments {
if !a.permissions.HasPermissionToBoard(userID, boardID, model.PermissionCommentBoardCards) {
a.errorResponse(w, r, model.NewErrPermission("access denied to post card comments"))
return
}
}
blocks = model.GenerateBlockIDs(blocks, a.logger)
auditRec := a.makeAuditRecord(r, "postBlocks", audit.Fail)
defer a.audit.LogRecord(audit.LevelModify, auditRec)
auditRec.AddMeta("disable_notify", disableNotify)
ctx := r.Context()
session := ctx.Value(sessionContextKey).(*model.Session)
model.StampModificationMetadata(userID, blocks, auditRec)
// this query param exists when creating template from board, or board from template
sourceBoardID := r.URL.Query().Get("sourceBoardID")
if sourceBoardID != "" {
if updateFileIDsErr := a.app.CopyAndUpdateCardFiles(sourceBoardID, userID, blocks, false); updateFileIDsErr != nil {
a.errorResponse(w, r, updateFileIDsErr)
return
}
}
newBlocks, err := a.app.InsertBlocksAndNotify(blocks, session.UserID, disableNotify)
if err != nil {
a.errorResponse(w, r, err)
return
}
a.logger.Debug("POST Blocks",
mlog.Int("block_count", len(blocks)),
mlog.Bool("disable_notify", disableNotify),
)
json, err := json.Marshal(newBlocks)
if err != nil {
a.errorResponse(w, r, err)
return
}
jsonBytesResponse(w, http.StatusOK, json)
auditRec.AddMeta("blockCount", len(blocks))
auditRec.Success()
}
func (a *API) handleDeleteBlock(w http.ResponseWriter, r *http.Request) {
// swagger:operation DELETE /boards/{boardID}/blocks/{blockID} deleteBlock
//
// Deletes a block
//
// ---
// produces:
// - application/json
// parameters:
// - name: boardID
// in: path
// description: Board ID
// required: true
// type: string
// - name: blockID
// in: path
// description: ID of block to delete
// required: true
// type: string
// - name: disable_notify
// in: query
// description: Disables notifications (for bulk deletion)
// required: false
// type: bool
// security:
// - BearerAuth: []
// responses:
// '200':
// description: success
// '404':
// description: block not found
// default:
// description: internal error
// schema:
// "$ref": "#/definitions/ErrorResponse"
userID := getUserID(r)
vars := mux.Vars(r)
boardID := vars["boardID"]
blockID := vars["blockID"]
val := r.URL.Query().Get("disable_notify")
disableNotify := val == True
if !a.permissions.HasPermissionToBoard(userID, boardID, model.PermissionManageBoardCards) {
a.errorResponse(w, r, model.NewErrPermission("access denied to make board changes"))
return
}
block, err := a.app.GetBlockByID(blockID)
if err != nil {
a.errorResponse(w, r, err)
return
}
if block.BoardID != boardID {
message := fmt.Sprintf("block ID=%s on BoardID=%s", block.ID, boardID)
a.errorResponse(w, r, model.NewErrNotFound(message))
return
}
auditRec := a.makeAuditRecord(r, "deleteBlock", audit.Fail)
defer a.audit.LogRecord(audit.LevelModify, auditRec)
auditRec.AddMeta("boardID", boardID)
auditRec.AddMeta("blockID", blockID)
err = a.app.DeleteBlockAndNotify(blockID, userID, disableNotify)
if err != nil {
a.errorResponse(w, r, err)
return
}
a.logger.Debug("DELETE Block", mlog.String("boardID", boardID), mlog.String("blockID", blockID))
jsonStringResponse(w, http.StatusOK, "{}")
auditRec.Success()
}
func (a *API) handleUndeleteBlock(w http.ResponseWriter, r *http.Request) {
// swagger:operation POST /boards/{boardID}/blocks/{blockID}/undelete undeleteBlock
//
// Undeletes a block
//
// ---
// produces:
// - application/json
// parameters:
// - name: boardID
// in: path
// description: Board ID
// required: true
// type: string
// - name: blockID
// in: path
// description: ID of block to undelete
// required: true
// type: string
// security:
// - BearerAuth: []
// responses:
// '200':
// description: success
// schema:
// "$ref": "#/definitions/BlockPatch"
// '404':
// description: block not found
// default:
// description: internal error
// schema:
// "$ref": "#/definitions/ErrorResponse"
ctx := r.Context()
session := ctx.Value(sessionContextKey).(*model.Session)
userID := session.UserID
vars := mux.Vars(r)
blockID := vars["blockID"]
boardID := vars["boardID"]
board, err := a.app.GetBoard(boardID)
if err != nil {
a.errorResponse(w, r, err)
return
}
block, err := a.app.GetLastBlockHistoryEntry(blockID)
if err != nil {
a.errorResponse(w, r, err)
return
}
if board.ID != block.BoardID {
message := fmt.Sprintf("block ID=%s on BoardID=%s", block.ID, board.ID)
a.errorResponse(w, r, model.NewErrNotFound(message))
return
}
if !a.permissions.HasPermissionToBoard(userID, boardID, model.PermissionManageBoardCards) {
a.errorResponse(w, r, model.NewErrPermission("access denied to modify board members"))
return
}
auditRec := a.makeAuditRecord(r, "undeleteBlock", audit.Fail)
defer a.audit.LogRecord(audit.LevelModify, auditRec)
auditRec.AddMeta("blockID", blockID)
undeletedBlock, err := a.app.UndeleteBlock(blockID, userID)
if err != nil {
a.errorResponse(w, r, err)
return
}
undeletedBlockData, err := json.Marshal(undeletedBlock)
if err != nil {
a.errorResponse(w, r, err)
return
}
a.logger.Debug("UNDELETE Block", mlog.String("blockID", blockID))
jsonBytesResponse(w, http.StatusOK, undeletedBlockData)
auditRec.Success()
}
func (a *API) handlePatchBlock(w http.ResponseWriter, r *http.Request) {
// swagger:operation PATCH /boards/{boardID}/blocks/{blockID} patchBlock
//
// Partially updates a block
//
// ---
// produces:
// - application/json
// parameters:
// - name: boardID
// in: path
// description: Board ID
// required: true
// type: string
// - name: blockID
// in: path
// description: ID of block to patch
// required: true
// type: string
// - name: disable_notify
// in: query
// description: Disables notifications (for bulk patching)
// required: false
// type: bool
// - name: Body
// in: body
// description: block patch to apply
// required: true
// schema:
// "$ref": "#/definitions/BlockPatch"
// security:
// - BearerAuth: []
// responses:
// '200':
// description: success
// '404':
// description: block not found
// default:
// description: internal error
// schema:
// "$ref": "#/definitions/ErrorResponse"
userID := getUserID(r)
vars := mux.Vars(r)
boardID := vars["boardID"]
blockID := vars["blockID"]
val := r.URL.Query().Get("disable_notify")
disableNotify := val == True
if !a.permissions.HasPermissionToBoard(userID, boardID, model.PermissionManageBoardCards) {
a.errorResponse(w, r, model.NewErrPermission("access denied to make board changes"))
return
}
block, err := a.app.GetBlockByID(blockID)
if err != nil {
a.errorResponse(w, r, err)
return
}
if block.BoardID != boardID {
message := fmt.Sprintf("block ID=%s on BoardID=%s", block.ID, boardID)
a.errorResponse(w, r, model.NewErrNotFound(message))
return
}
requestBody, err := io.ReadAll(r.Body)
if err != nil {
a.errorResponse(w, r, err)
return
}
var patch *model.BlockPatch
err = json.Unmarshal(requestBody, &patch)
if err != nil {
a.errorResponse(w, r, err)
return
}
auditRec := a.makeAuditRecord(r, "patchBlock", audit.Fail)
defer a.audit.LogRecord(audit.LevelModify, auditRec)
auditRec.AddMeta("boardID", boardID)
auditRec.AddMeta("blockID", blockID)
if _, err = a.app.PatchBlockAndNotify(blockID, patch, userID, disableNotify); err != nil {
a.errorResponse(w, r, err)
return
}
a.logger.Debug("PATCH Block", mlog.String("boardID", boardID), mlog.String("blockID", blockID))
jsonStringResponse(w, http.StatusOK, "{}")
auditRec.Success()
}
func (a *API) handlePatchBlocks(w http.ResponseWriter, r *http.Request) {
// swagger:operation PATCH /boards/{boardID}/blocks/ patchBlocks
//
// Partially updates batch of blocks
//
// ---
// produces:
// - application/json
// parameters:
// - name: boardID
// in: path
// description: Workspace ID
// required: true
// type: string
// - name: disable_notify
// in: query
// description: Disables notifications (for bulk patching)
// required: false
// type: bool
// - name: Body
// in: body
// description: block Ids and block patches to apply
// required: true
// schema:
// "$ref": "#/definitions/BlockPatchBatch"
// security:
// - BearerAuth: []
// responses:
// '200':
// description: success
// default:
// description: internal error
// schema:
// "$ref": "#/definitions/ErrorResponse"
ctx := r.Context()
session := ctx.Value(sessionContextKey).(*model.Session)
userID := session.UserID
vars := mux.Vars(r)
teamID := vars["teamID"]
val := r.URL.Query().Get("disable_notify")
disableNotify := val == True
requestBody, err := io.ReadAll(r.Body)
if err != nil {
a.errorResponse(w, r, err)
return
}
var patches *model.BlockPatchBatch
err = json.Unmarshal(requestBody, &patches)
if err != nil {
a.errorResponse(w, r, err)
return
}
auditRec := a.makeAuditRecord(r, "patchBlocks", audit.Fail)
defer a.audit.LogRecord(audit.LevelModify, auditRec)
for i := range patches.BlockIDs {
auditRec.AddMeta("block_"+strconv.FormatInt(int64(i), 10), patches.BlockIDs[i])
}
for _, blockID := range patches.BlockIDs {
var block *model.Block
block, err = a.app.GetBlockByID(blockID)
if err != nil {
a.errorResponse(w, r, model.NewErrForbidden("access denied to make board changes"))
return
}
if !a.permissions.HasPermissionToBoard(userID, block.BoardID, model.PermissionManageBoardCards) {
a.errorResponse(w, r, model.NewErrPermission("access denied to make board changesa"))
return
}
}
err = a.app.PatchBlocksAndNotify(teamID, patches, userID, disableNotify)
if err != nil {
a.errorResponse(w, r, err)
return
}
a.logger.Debug("PATCH Blocks", mlog.String("patches", strconv.Itoa(len(patches.BlockIDs))))
jsonStringResponse(w, http.StatusOK, "{}")
auditRec.Success()
}
func (a *API) handleDuplicateBlock(w http.ResponseWriter, r *http.Request) {
// swagger:operation POST /boards/{boardID}/blocks/{blockID}/duplicate duplicateBlock
//
// Returns the new created blocks
//
// ---
// produces:
// - application/json
// parameters:
// - name: boardID
// in: path
// description: Board ID
// required: true
// type: string
// - name: blockID
// in: path
// description: Block ID
// required: true
// type: string
// security:
// - BearerAuth: []
// responses:
// '200':
// description: success
// schema:
// type: array
// items:
// "$ref": "#/definitions/Block"
// '404':
// description: board or block not found
// default:
// description: internal error
// schema:
// "$ref": "#/definitions/ErrorResponse"
boardID := mux.Vars(r)["boardID"]
blockID := mux.Vars(r)["blockID"]
userID := getUserID(r)
query := r.URL.Query()
asTemplate := query.Get("asTemplate")
board, err := a.app.GetBoard(boardID)
if err != nil {
a.errorResponse(w, r, err)
return
}
if userID == "" {
a.errorResponse(w, r, model.NewErrUnauthorized("access denied to board"))
return
}
block, err := a.app.GetBlockByID(blockID)
if err != nil {
a.errorResponse(w, r, err)
return
}
if board.ID != block.BoardID {
message := fmt.Sprintf("block ID=%s on BoardID=%s", block.ID, board.ID)
a.errorResponse(w, r, model.NewErrNotFound(message))
return
}
if block.Type == model.TypeComment {
if !a.permissions.HasPermissionToBoard(userID, boardID, model.PermissionCommentBoardCards) {
a.errorResponse(w, r, model.NewErrPermission("access denied to comment on board cards"))
return
}
} else {
if !a.permissions.HasPermissionToBoard(userID, boardID, model.PermissionManageBoardCards) {
a.errorResponse(w, r, model.NewErrPermission("access denied to modify board cards"))
return
}
}
auditRec := a.makeAuditRecord(r, "duplicateBlock", audit.Fail)
defer a.audit.LogRecord(audit.LevelRead, auditRec)
auditRec.AddMeta("boardID", boardID)
auditRec.AddMeta("blockID", blockID)
a.logger.Debug("DuplicateBlock",
mlog.String("boardID", boardID),
mlog.String("blockID", blockID),
)
blocks, err := a.app.DuplicateBlock(boardID, blockID, userID, asTemplate == True)
if err != nil {
a.errorResponse(w, r, err)
return
}
data, err := json.Marshal(blocks)
if err != nil {
a.errorResponse(w, r, err)
return
}
// response
jsonBytesResponse(w, http.StatusOK, data)
auditRec.Success()
}