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recording_auth.go
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recording_auth.go
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package models
import (
"context"
"database/sql"
"errors"
"fmt"
"github.com/go-jose/go-jose/v4"
"github.com/go-jose/go-jose/v4/jwt"
"github.com/gofiber/fiber/v2"
"github.com/mynaparrot/plugnmeet-protocol/auth"
"github.com/mynaparrot/plugnmeet-protocol/plugnmeet"
"github.com/mynaparrot/plugnmeet-server/pkg/config"
log "github.com/sirupsen/logrus"
"io"
"os"
"strings"
"time"
)
type AuthRecording struct {
app *config.AppConfig
db *sql.DB
ctx context.Context
}
func NewRecordingAuth() *AuthRecording {
return &AuthRecording{
app: config.AppCnf,
db: config.AppCnf.DB,
ctx: context.Background(),
}
}
func (a *AuthRecording) FetchRecordings(r *plugnmeet.FetchRecordingsReq) (*plugnmeet.FetchRecordingsResult, error) {
db := a.db
ctx, cancel := context.WithTimeout(a.ctx, 3*time.Second)
defer cancel()
limit := r.Limit
orderBy := "DESC"
if limit == 0 {
limit = 20
}
if r.OrderBy == "ASC" {
orderBy = "ASC"
}
var rows *sql.Rows
var err error
switch {
case len(r.RoomIds) > 0:
var args []interface{}
for _, rd := range r.RoomIds {
args = append(args, rd)
}
args = append(args, r.From)
args = append(args, limit)
query := "SELECT record_id, room_id, room_sid, file_path, size, creation_time, room_creation_time FROM " + a.app.FormatDBTable("recordings") + " WHERE room_id IN (?" + strings.Repeat(",?", len(r.RoomIds)-1) + ") ORDER BY id " + orderBy + " LIMIT ?,?"
rows, err = db.QueryContext(ctx, query, args...)
default:
rows, err = db.QueryContext(ctx, "SELECT record_id, room_id, room_sid, file_path, size, creation_time, room_creation_time FROM "+a.app.FormatDBTable("recordings")+" ORDER BY id "+orderBy+" LIMIT ?,?", r.From, limit)
}
if err != nil {
return nil, err
}
defer rows.Close()
var recordings []*plugnmeet.RecordingInfo
for rows.Next() {
var recording plugnmeet.RecordingInfo
var rSid sql.NullString
err = rows.Scan(&recording.RecordId, &recording.RoomId, &rSid, &recording.FilePath, &recording.FileSize, &recording.CreationTime, &recording.RoomCreationTime)
if err != nil {
fmt.Println(err)
}
recording.RoomSid = rSid.String
recordings = append(recordings, &recording)
}
// get total number of recordings
var row *sql.Row
switch {
case len(r.RoomIds) > 0:
var args []interface{}
for _, rd := range r.RoomIds {
args = append(args, rd)
}
query := "SELECT COUNT(*) AS total FROM " + a.app.FormatDBTable("recordings") + " WHERE room_id IN (?" + strings.Repeat(",?", len(r.RoomIds)-1) + ")"
row = db.QueryRowContext(ctx, query, args...)
default:
row = db.QueryRowContext(ctx, "SELECT COUNT(*) AS total FROM "+a.app.FormatDBTable("recordings"))
}
var total int64
_ = row.Scan(&total)
result := &plugnmeet.FetchRecordingsResult{
TotalRecordings: total,
From: r.From,
Limit: limit,
OrderBy: orderBy,
RecordingsList: recordings,
}
if result.GetTotalRecordings() == 0 {
result.TotalRecordings = 0
}
return result, nil
}
// FetchRecording to get single recording information from DB
func (a *AuthRecording) FetchRecording(recordId string) (*plugnmeet.RecordingInfo, error) {
db := a.db
ctx, cancel := context.WithTimeout(a.ctx, 3*time.Second)
defer cancel()
row := db.QueryRowContext(ctx, "SELECT record_id, room_id, room_sid, file_path, size, creation_time, room_creation_time FROM "+a.app.FormatDBTable("recordings")+" WHERE record_id = ?", recordId)
recording := new(plugnmeet.RecordingInfo)
var rSid sql.NullString
err := row.Scan(&recording.RecordId, &recording.RoomId, &rSid, &recording.FilePath, &recording.FileSize, &recording.CreationTime, &recording.RoomCreationTime)
recording.RoomSid = rSid.String
switch {
case errors.Is(err, sql.ErrNoRows):
err = errors.New("no info found")
case err != nil:
err = errors.New(fmt.Sprintf("query error: %s", err.Error()))
}
if err != nil {
return nil, err
}
return recording, nil
}
func (a *AuthRecording) RecordingInfo(req *plugnmeet.RecordingInfoReq) (*plugnmeet.RecordingInfoRes, error) {
recording, err := a.FetchRecording(req.RecordId)
if err != nil {
return nil, err
}
pastRoomInfo := new(plugnmeet.PastRoomInfo)
// SID can't be null, so we'll check before
if recording.GetRoomSid() != "" {
rm := NewRoomModel()
roomInfo, _ := rm.GetRoomInfo("", recording.GetRoomSid(), 0)
if roomInfo != nil {
pastRoomInfo = &plugnmeet.PastRoomInfo{
RoomTitle: roomInfo.RoomTitle,
RoomId: roomInfo.RoomId,
RoomSid: roomInfo.Sid,
JoinedParticipants: roomInfo.JoinedParticipants,
WebhookUrl: roomInfo.WebhookUrl,
Ended: roomInfo.Ended,
}
pastRoomInfo.Created = time.Unix(roomInfo.CreationTime, 0).UTC().Format("2006-01-02 15:04:05")
am := NewAnalyticsAuthModel()
an, err := am.getAnalyticByRoomTableId(roomInfo.Id)
if err == nil {
pastRoomInfo.AnalyticsFileId = an.GetFileId()
}
}
}
return &plugnmeet.RecordingInfoRes{
Status: true,
Msg: "success",
RecordingInfo: recording,
RoomInfo: pastRoomInfo,
}, nil
}
func (a *AuthRecording) DeleteRecording(r *plugnmeet.DeleteRecordingReq) error {
recording, err := a.FetchRecording(r.RecordId)
if err != nil {
return err
}
path := fmt.Sprintf("%s/%s", config.AppCnf.RecorderInfo.RecordingFilesPath, recording.FilePath)
fileExist := true
f, err := os.Stat(path)
if err != nil {
if errors.Is(err, err.(*os.PathError)) {
log.Errorln(recording.FilePath + " does not exist, so deleting from DB without stopping")
fileExist = false
} else {
ms := strings.SplitN(err.Error(), "/", -1)
return errors.New(ms[len(ms)-1])
}
}
// if file not exists then will delete
// if not, we can just skip this & delete from DB
if fileExist {
err = os.Remove(path)
if err != nil {
ms := strings.SplitN(err.Error(), "/", -1)
return errors.New(ms[len(ms)-1])
}
}
// delete compressed, if any
_ = os.Remove(path + ".fiber.gz")
// delete record info file too
_ = os.Remove(path + ".json")
// we will check if the directory is empty or not
// if empty then better to delete that directory
if fileExist {
dir := strings.Replace(path, f.Name(), "", 1)
if dir != config.AppCnf.RecorderInfo.RecordingFilesPath {
empty, err := a.isDirEmpty(dir)
if err == nil && empty {
err = os.Remove(dir)
if err != nil {
log.Error(err)
}
}
}
}
// no error, so we'll delete record from DB
db := a.db
ctx, cancel := context.WithTimeout(a.ctx, 3*time.Second)
defer cancel()
tx, err := db.BeginTx(ctx, nil)
if err != nil {
return err
}
defer tx.Rollback()
stmt, err := tx.Prepare("DELETE FROM " + a.app.FormatDBTable("recordings") + " WHERE record_id = ?")
if err != nil {
return err
}
_, err = stmt.Exec(r.RecordId)
if err != nil {
return err
}
err = tx.Commit()
if err != nil {
return err
}
err = stmt.Close()
if err != nil {
return err
}
return nil
}
func (a *AuthRecording) isDirEmpty(name string) (bool, error) {
f, err := os.Open(name)
if err != nil {
return false, err
}
defer f.Close()
_, err = f.Readdirnames(1) // Or f.Readdir(1)
if err == io.EOF {
return true, nil
}
return false, err // Either not empty or error, suits both cases
}
// GetDownloadToken will use the same JWT token generator as plugNmeet is using
func (a *AuthRecording) GetDownloadToken(r *plugnmeet.GetDownloadTokenReq) (string, error) {
recording, err := a.FetchRecording(r.RecordId)
if err != nil {
return "", err
}
return a.CreateTokenForDownload(recording.FilePath)
}
// CreateTokenForDownload will generate token
// path format: sub_path/roomSid/filename
func (a *AuthRecording) CreateTokenForDownload(path string) (string, error) {
return auth.GenerateTokenForDownloadRecording(path, a.app.Client.ApiKey, a.app.Client.Secret, a.app.RecorderInfo.TokenValidity)
}
// VerifyRecordingToken verify token & provide file path
func (a *AuthRecording) VerifyRecordingToken(token string) (string, int, error) {
tok, err := jwt.ParseSigned(token, []jose.SignatureAlgorithm{jose.HS256})
if err != nil {
return "", fiber.StatusUnauthorized, err
}
out := jwt.Claims{}
if err = tok.Claims([]byte(config.AppCnf.Client.Secret), &out); err != nil {
return "", fiber.StatusUnauthorized, err
}
if err = out.Validate(jwt.Expected{Issuer: config.AppCnf.Client.ApiKey, Time: time.Now().UTC()}); err != nil {
return "", fiber.StatusUnauthorized, err
}
file := fmt.Sprintf("%s/%s", config.AppCnf.RecorderInfo.RecordingFilesPath, out.Subject)
_, err = os.Lstat(file)
if err != nil {
ms := strings.SplitN(err.Error(), "/", -1)
return "", fiber.StatusNotFound, errors.New(ms[len(ms)-1])
}
return file, fiber.StatusOK, nil
}