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focalboard/mattermost-plugin/server/plugin.go
2022-04-19 09:18:31 -06:00

505 lines
15 KiB
Go

package main
import (
"encoding/json"
"fmt"
"math"
"net/http"
"net/url"
"path"
"strings"
"sync"
"github.com/mattermost/focalboard/server/auth"
"github.com/mattermost/focalboard/server/server"
"github.com/mattermost/focalboard/server/services/config"
"github.com/mattermost/focalboard/server/services/notify"
"github.com/mattermost/focalboard/server/services/permissions/mmpermissions"
"github.com/mattermost/focalboard/server/services/store"
"github.com/mattermost/focalboard/server/services/store/mattermostauthlayer"
"github.com/mattermost/focalboard/server/services/store/sqlstore"
"github.com/mattermost/focalboard/server/ws"
pluginapi "github.com/mattermost/mattermost-plugin-api"
"github.com/mattermost/mattermost-plugin-api/cluster"
mmModel "github.com/mattermost/mattermost-server/v6/model"
"github.com/mattermost/mattermost-server/v6/plugin"
"github.com/mattermost/mattermost-server/v6/shared/markdown"
"github.com/mattermost/mattermost-server/v6/shared/mlog"
)
const (
boardsFeatureFlagName = "BoardsFeatureFlags"
pluginName = "focalboard"
sharedBoardsName = "enablepublicsharedboards"
notifyFreqCardSecondsKey = "notify_freq_card_seconds"
notifyFreqBoardSecondsKey = "notify_freq_board_seconds"
)
type BoardsEmbed struct {
OriginalPath string `json:"originalPath"`
TeamID string `json:"teamID"`
ViewID string `json:"viewID"`
BoardID string `json:"boardID"`
CardID string `json:"cardID"`
ReadToken string `json:"readToken,omitempty"`
}
// Plugin implements the interface expected by the Mattermost server to communicate between the server and plugin processes.
type Plugin struct {
plugin.MattermostPlugin
// configurationLock synchronizes access to the configuration.
configurationLock sync.RWMutex
// configuration is the active plugin configuration. Consult getConfiguration and
// setConfiguration for usage.
configuration *configuration
server *server.Server
wsPluginAdapter ws.PluginAdapterInterface
}
func (p *Plugin) OnActivate() error {
mmconfig := p.API.GetUnsanitizedConfig()
client := pluginapi.NewClient(p.API, p.Driver)
sqlDB, err := client.Store.GetMasterDB()
if err != nil {
return fmt.Errorf("error initializing the DB: %w", err)
}
logger, _ := mlog.NewLogger()
pluginTargetFactory := newPluginTargetFactory(&client.Log)
factories := &mlog.Factories{
TargetFactory: pluginTargetFactory.createTarget,
}
cfgJSON := defaultLoggingConfig()
err = logger.Configure("", cfgJSON, factories)
if err != nil {
return err
}
baseURL := ""
if mmconfig.ServiceSettings.SiteURL != nil {
baseURL = *mmconfig.ServiceSettings.SiteURL
}
serverID := client.System.GetDiagnosticID()
cfg := p.createBoardsConfig(*mmconfig, baseURL, serverID)
storeParams := sqlstore.Params{
DBType: cfg.DBType,
ConnectionString: cfg.DBConfigString,
TablePrefix: cfg.DBTablePrefix,
Logger: logger,
DB: sqlDB,
IsPlugin: true,
NewMutexFn: func(name string) (*cluster.Mutex, error) {
return cluster.NewMutex(p.API, name)
},
PluginAPI: &p.API,
}
var db store.Store
db, err = sqlstore.New(storeParams)
if err != nil {
return fmt.Errorf("error initializing the DB: %w", err)
}
if cfg.AuthMode == server.MattermostAuthMod {
layeredStore, err2 := mattermostauthlayer.New(cfg.DBType, sqlDB, db, logger, p.API)
if err2 != nil {
return fmt.Errorf("error initializing the DB: %w", err2)
}
db = layeredStore
}
permissionsService := mmpermissions.New(db, p.API)
p.wsPluginAdapter = ws.NewPluginAdapter(p.API, auth.New(cfg, db, permissionsService), db, logger)
backendParams := notifyBackendParams{
cfg: cfg,
client: client,
store: db,
permissions: permissionsService,
wsAdapter: p.wsPluginAdapter,
serverRoot: baseURL + "/boards",
logger: logger,
}
var notifyBackends []notify.Backend
mentionsBackend, err := createMentionsNotifyBackend(backendParams)
if err != nil {
return fmt.Errorf("error creating mention notifications backend: %w", err)
}
notifyBackends = append(notifyBackends, mentionsBackend)
subscriptionsBackend, err2 := createSubscriptionsNotifyBackend(backendParams)
if err2 != nil {
return fmt.Errorf("error creating subscription notifications backend: %w", err2)
}
notifyBackends = append(notifyBackends, subscriptionsBackend)
mentionsBackend.AddListener(subscriptionsBackend)
params := server.Params{
Cfg: cfg,
SingleUserToken: "",
DBStore: db,
Logger: logger,
ServerID: serverID,
WSAdapter: p.wsPluginAdapter,
NotifyBackends: notifyBackends,
PermissionsService: permissionsService,
}
server, err := server.New(params)
if err != nil {
fmt.Println("ERROR INITIALIZING THE SERVER", err)
return err
}
p.server = server
return server.Start()
}
func (p *Plugin) createBoardsConfig(mmconfig mmModel.Config, baseURL string, serverID string) *config.Configuration {
filesS3Config := config.AmazonS3Config{}
if mmconfig.FileSettings.AmazonS3AccessKeyId != nil {
filesS3Config.AccessKeyID = *mmconfig.FileSettings.AmazonS3AccessKeyId
}
if mmconfig.FileSettings.AmazonS3SecretAccessKey != nil {
filesS3Config.SecretAccessKey = *mmconfig.FileSettings.AmazonS3SecretAccessKey
}
if mmconfig.FileSettings.AmazonS3Bucket != nil {
filesS3Config.Bucket = *mmconfig.FileSettings.AmazonS3Bucket
}
if mmconfig.FileSettings.AmazonS3PathPrefix != nil {
filesS3Config.PathPrefix = *mmconfig.FileSettings.AmazonS3PathPrefix
}
if mmconfig.FileSettings.AmazonS3Region != nil {
filesS3Config.Region = *mmconfig.FileSettings.AmazonS3Region
}
if mmconfig.FileSettings.AmazonS3Endpoint != nil {
filesS3Config.Endpoint = *mmconfig.FileSettings.AmazonS3Endpoint
}
if mmconfig.FileSettings.AmazonS3SSL != nil {
filesS3Config.SSL = *mmconfig.FileSettings.AmazonS3SSL
}
if mmconfig.FileSettings.AmazonS3SignV2 != nil {
filesS3Config.SignV2 = *mmconfig.FileSettings.AmazonS3SignV2
}
if mmconfig.FileSettings.AmazonS3SSE != nil {
filesS3Config.SSE = *mmconfig.FileSettings.AmazonS3SSE
}
if mmconfig.FileSettings.AmazonS3Trace != nil {
filesS3Config.Trace = *mmconfig.FileSettings.AmazonS3Trace
}
enableTelemetry := false
if mmconfig.LogSettings.EnableDiagnostics != nil {
enableTelemetry = *mmconfig.LogSettings.EnableDiagnostics
}
enablePublicSharedBoards := false
if mmconfig.PluginSettings.Plugins[pluginName][sharedBoardsName] == true {
enablePublicSharedBoards = true
}
featureFlags := parseFeatureFlags(mmconfig.FeatureFlags.ToMap())
return &config.Configuration{
ServerRoot: baseURL + "/plugins/focalboard",
Port: -1,
DBType: *mmconfig.SqlSettings.DriverName,
DBConfigString: *mmconfig.SqlSettings.DataSource,
DBTablePrefix: "focalboard_",
UseSSL: false,
SecureCookie: true,
WebPath: path.Join(*mmconfig.PluginSettings.Directory, "focalboard", "pack"),
FilesDriver: *mmconfig.FileSettings.DriverName,
FilesPath: *mmconfig.FileSettings.Directory,
FilesS3Config: filesS3Config,
MaxFileSize: *mmconfig.FileSettings.MaxFileSize,
Telemetry: enableTelemetry,
TelemetryID: serverID,
WebhookUpdate: []string{},
SessionExpireTime: 2592000,
SessionRefreshTime: 18000,
LocalOnly: false,
EnableLocalMode: false,
LocalModeSocketLocation: "",
AuthMode: "mattermost",
EnablePublicSharedBoards: enablePublicSharedBoards,
FeatureFlags: featureFlags,
NotifyFreqCardSeconds: getPluginSettingInt(mmconfig, notifyFreqCardSecondsKey, 120),
NotifyFreqBoardSeconds: getPluginSettingInt(mmconfig, notifyFreqBoardSecondsKey, 86400),
}
}
func getPluginSetting(mmConfig mmModel.Config, key string) (interface{}, bool) {
plugin, ok := mmConfig.PluginSettings.Plugins[pluginName]
if !ok {
return nil, false
}
val, ok := plugin[key]
if !ok {
return nil, false
}
return val, true
}
func getPluginSettingInt(mmConfig mmModel.Config, key string, def int) int {
val, ok := getPluginSetting(mmConfig, key)
if !ok {
return def
}
valFloat, ok := val.(float64)
if !ok {
return def
}
return int(math.Round(valFloat))
}
func parseFeatureFlags(configFeatureFlags map[string]string) map[string]string {
featureFlags := make(map[string]string)
for key, value := range configFeatureFlags {
// Break out FeatureFlags and pass remaining
if key == boardsFeatureFlagName {
for _, flag := range strings.Split(value, "-") {
featureFlags[flag] = "true"
}
} else {
featureFlags[key] = value
}
}
return featureFlags
}
func (p *Plugin) OnWebSocketConnect(webConnID, userID string) {
p.wsPluginAdapter.OnWebSocketConnect(webConnID, userID)
}
func (p *Plugin) OnWebSocketDisconnect(webConnID, userID string) {
p.wsPluginAdapter.OnWebSocketDisconnect(webConnID, userID)
}
func (p *Plugin) WebSocketMessageHasBeenPosted(webConnID, userID string, req *mmModel.WebSocketRequest) {
p.wsPluginAdapter.WebSocketMessageHasBeenPosted(webConnID, userID, req)
}
func (p *Plugin) OnDeactivate() error {
return p.server.Shutdown()
}
func (p *Plugin) OnPluginClusterEvent(_ *plugin.Context, ev mmModel.PluginClusterEvent) {
p.wsPluginAdapter.HandleClusterEvent(ev)
}
// ServeHTTP demonstrates a plugin that handles HTTP requests by greeting the world.
func (p *Plugin) ServeHTTP(_ *plugin.Context, w http.ResponseWriter, r *http.Request) {
router := p.server.GetRootRouter()
router.ServeHTTP(w, r)
}
func defaultLoggingConfig() string {
return `
{
"def": {
"type": "focalboard_plugin_adapter",
"options": {},
"format": "plain",
"format_options": {
"delim": " ",
"min_level_len": 0,
"min_msg_len": 0,
"enable_color": false,
"enable_caller": true
},
"levels": [
{"id": 5, "name": "debug"},
{"id": 4, "name": "info", "color": 36},
{"id": 3, "name": "warn"},
{"id": 2, "name": "error", "color": 31},
{"id": 1, "name": "fatal", "stacktrace": true},
{"id": 0, "name": "panic", "stacktrace": true}
]
},
"errors_file": {
"Type": "file",
"Format": "plain",
"Levels": [
{"ID": 2, "Name": "error", "Stacktrace": true}
],
"Options": {
"Compress": true,
"Filename": "focalboard_errors.log",
"MaxAgeDays": 0,
"MaxBackups": 5,
"MaxSizeMB": 10
},
"MaxQueueSize": 1000
}
}`
}
func (p *Plugin) MessageWillBePosted(_ *plugin.Context, post *mmModel.Post) (*mmModel.Post, string) {
return postWithBoardsEmbed(post), ""
}
func (p *Plugin) MessageWillBeUpdated(_ *plugin.Context, newPost, _ *mmModel.Post) (*mmModel.Post, string) {
return postWithBoardsEmbed(newPost), ""
}
func postWithBoardsEmbed(post *mmModel.Post) *mmModel.Post {
if _, ok := post.GetProps()["boards"]; ok {
post.AddProp("boards", nil)
}
firstLink, newPostMessage := getFirstLinkAndShortenAllBoardsLink(post.Message)
post.Message = newPostMessage
if firstLink == "" {
return post
}
u, err := url.Parse(firstLink)
if err != nil {
return post
}
// Trim away the first / because otherwise after we split the string, the first element in the array is a empty element
urlPath := u.Path
urlPath = strings.TrimPrefix(urlPath, "/")
urlPath = strings.TrimSuffix(urlPath, "/")
pathSplit := strings.Split(strings.ToLower(urlPath), "/")
queryParams := u.Query()
if len(pathSplit) == 0 {
return post
}
teamID, boardID, viewID, cardID := returnBoardsParams(pathSplit)
if teamID != "" && boardID != "" && viewID != "" && cardID != "" {
b, _ := json.Marshal(BoardsEmbed{
TeamID: teamID,
BoardID: boardID,
ViewID: viewID,
CardID: cardID,
ReadToken: queryParams.Get("r"),
OriginalPath: u.RequestURI(),
})
BoardsPostEmbed := &mmModel.PostEmbed{
Type: mmModel.PostEmbedBoards,
Data: string(b),
}
if post.Metadata == nil {
post.Metadata = &mmModel.PostMetadata{}
}
post.Metadata.Embeds = []*mmModel.PostEmbed{BoardsPostEmbed}
post.AddProp("boards", string(b))
}
return post
}
func getFirstLinkAndShortenAllBoardsLink(postMessage string) (firstLink, newPostMessage string) {
newPostMessage = postMessage
seenLinks := make(map[string]bool)
markdown.Inspect(postMessage, func(blockOrInline interface{}) bool {
if autoLink, ok := blockOrInline.(*markdown.Autolink); ok {
link := autoLink.Destination()
if firstLink == "" {
firstLink = link
}
if seen := seenLinks[link]; !seen && isBoardsLink(link) {
// TODO: Make sure that <Jump To Card> is Internationalized and translated to the Users Language preference
markdownFormattedLink := fmt.Sprintf("[%s](%s)", "<Jump To Card>", link)
newPostMessage = strings.ReplaceAll(newPostMessage, link, markdownFormattedLink)
seenLinks[link] = true
}
}
if inlineLink, ok := blockOrInline.(*markdown.InlineLink); ok {
if link := inlineLink.Destination(); firstLink == "" {
firstLink = link
}
}
return true
})
return firstLink, newPostMessage
}
func returnBoardsParams(pathArray []string) (teamID, boardID, viewID, cardID string) {
// The reason we are doing this search for the first instance of boards or plugins is to take into account URL subpaths
index := -1
for i := 0; i < len(pathArray); i++ {
if pathArray[i] == "boards" || pathArray[i] == "plugins" {
index = i
break
}
}
if index == -1 {
return teamID, boardID, viewID, cardID
}
// If at index, the parameter in the path is boards,
// then we've copied this directly as logged in user of that board
// If at index, the parameter in the path is plugins,
// then we've copied this from a shared board
// For card links copied on a non-shared board, the path looks like {...Mattermost Url}.../boards/team/teamID/boardID/viewID/cardID
// For card links copied on a shared board, the path looks like
// {...Mattermost Url}.../plugins/focalboard/team/teamID/shared/boardID/viewID/cardID?r=read_token
// This is a non-shared board card link
if len(pathArray)-index == 6 && pathArray[index] == "boards" && pathArray[index+1] == "team" {
teamID = pathArray[index+2]
boardID = pathArray[index+3]
viewID = pathArray[index+4]
cardID = pathArray[index+5]
} else if len(pathArray)-index == 8 && pathArray[index] == "plugins" &&
pathArray[index+1] == "focalboard" &&
pathArray[index+2] == "team" &&
pathArray[index+4] == "shared" { // This is a shared board card link
teamID = pathArray[index+3]
boardID = pathArray[index+5]
viewID = pathArray[index+6]
cardID = pathArray[index+7]
}
return teamID, boardID, viewID, cardID
}
func isBoardsLink(link string) bool {
u, err := url.Parse(link)
if err != nil {
return false
}
urlPath := u.Path
urlPath = strings.TrimPrefix(urlPath, "/")
urlPath = strings.TrimSuffix(urlPath, "/")
pathSplit := strings.Split(strings.ToLower(urlPath), "/")
if len(pathSplit) == 0 {
return false
}
teamID, boardID, viewID, cardID := returnBoardsParams(pathSplit)
return teamID != "" && boardID != "" && viewID != "" && cardID != ""
}