func (self *BundleManager) bundleStateGetNoLock(conn *sqlite.Conn, user string, bundle_id int) (BundleState, error) {
if conn == nil {
conn = self.conn
}
s, err := conn.Prepare("select state from bundles where bundles.user = ? and bundles.id = ?;")
if err != nil {
log.Printf("%v\n", err)
return BundleState_Error, err
}
defer s.Finalize()
err = s.Exec(user, bundle_id)
if err != nil {
log.Printf("%v\n", err)
return BundleState_Error, err
}
for {
if !s.Next() {
break
}
var value int
err = s.Scan(&value)
if err != nil {
log.Printf("%v\n", err)
return BundleState_Error, err
}
return BundleState(value), nil
}
return BundleState_Error, errors.New("Unknown error.")
}
func (self *BundleManager) bundleFileValidateNolock(conn *sqlite.Conn, user string, bundle_id int, file_id int) error {
if conn == nil {
conn = self.conn
}
//FIXME better way to encode username and column?
s, err := conn.Prepare("select 1 from files, bundles where bundles.user = ? and bundles.id = ? and bundles.id = files.bundle_id and files.id = ?;")
if err != nil {
log.Printf("%v\n", err)
return err
}
defer s.Finalize()
err = s.Exec(user, bundle_id, file_id)
if err != nil {
log.Printf("%v\n", err)
return err
}
for {
if !s.Next() {
break
}
var value int
err = s.Scan(&value)
if err != nil {
log.Printf("%v\n", err)
return err
}
if value == 1 {
return nil
}
}
return errors.New("The specified file is not owned by the user and bundle specified.")
}
// Link a Server's channels together
func populateChannelLinkInfo(server *Server, db *sqlite.Conn) (err os.Error) {
stmt, err := db.Prepare("SELECT channel_id, link_id FROM channel_links WHERE server_id=?")
if err != nil {
return err
}
if err := stmt.Exec(server.Id); err != nil {
return err
}
for stmt.Next() {
var (
ChannelId int
LinkId int
)
if err := stmt.Scan(&ChannelId, &LinkId); err != nil {
return err
}
channel, exists := server.Channels[ChannelId]
if !exists {
return os.NewError("Attempt to perform link operation on non-existant channel.")
}
other, exists := server.Channels[LinkId]
if !exists {
return os.NewError("Attempt to perform link operation on non-existant channel.")
}
server.LinkChannels(channel, other)
}
return nil
}
// Populate channel with its ACLs by reading the SQLite databse.
func populateChannelACLFromDatabase(server *Server, c *Channel, db *sqlite.Conn) os.Error {
stmt, err := db.Prepare("SELECT user_id, group_name, apply_here, apply_sub, grantpriv, revokepriv FROM acl WHERE server_id=? AND channel_id=? ORDER BY priority")
if err != nil {
return err
}
if err := stmt.Exec(server.Id, c.Id); err != nil {
return err
}
for stmt.Next() {
var (
UserId string
Group string
ApplyHere bool
ApplySub bool
Allow int64
Deny int64
)
if err := stmt.Scan(&UserId, &Group, &ApplyHere, &ApplySub, &Allow, &Deny); err != nil {
return err
}
acl := NewChannelACL(c)
acl.ApplyHere = ApplyHere
acl.ApplySubs = ApplySub
if len(UserId) > 0 {
acl.UserId, err = strconv.Atoi(UserId)
if err != nil {
return err
}
} else if len(Group) > 0 {
acl.Group = Group
} else {
return os.NewError("Invalid ACL: Neither Group or UserId specified")
}
acl.Deny = Permission(Deny)
acl.Allow = Permission(Allow)
c.ACL = append(c.ACL, acl)
}
return nil
}
func getRowCount(name string, conn *sqlite.Conn) (int, error) {
stmt, err := conn.Prepare(fmt.Sprintf("select count(1) from %s;", name))
if err != nil {
return -1, err
}
err = stmt.Exec()
if err != nil {
return -1, err
}
stmt.Next()
var count int
err = stmt.Scan(&count)
if err != nil {
return -1, err
}
stmt.Finalize()
return count, nil
}
// Add channel metadata (channel_info table from SQLite) by reading the SQLite database.
func populateChannelInfoFromDatabase(server *Server, c *Channel, db *sqlite.Conn) os.Error {
stmt, err := db.Prepare("SELECT value FROM channel_info WHERE server_id=? AND channel_id=? AND key=?")
if err != nil {
return err
}
// Fetch description
if err := stmt.Exec(server.Id, c.Id, ChannelInfoDescription); err != nil {
return err
}
for stmt.Next() {
var description string
err = stmt.Scan(&description)
if err != nil {
return err
}
key, err := globalBlobstore.Put([]byte(description))
if err != nil {
return err
}
c.DescriptionBlob = key
}
if err := stmt.Reset(); err != nil {
return err
}
// Fetch position
if err := stmt.Exec(server.Id, c.Id, ChannelInfoPosition); err != nil {
return err
}
for stmt.Next() {
var pos int
if err := stmt.Scan(&pos); err != nil {
return err
}
c.Position = pos
}
return nil
}
func (self *BundleManager) bundleFileGet(conn *sqlite.Conn, bundle *BundleMD, user string, bundle_id int, file_id int) (*BundleFileMD, error) {
self.mutex.Lock()
if self.shutdown {
return nil, errors.New("BundleManager is shutdown.")
}
defer self.mutex.Unlock()
if bundle != nil {
bundle_id = bundle.id
user = bundle.user
} else {
bundle = &BundleMD{id: bundle_id, user: user, bm: self}
}
s, err := conn.Prepare("select 1 from files, bundles where bundles.user = ? and bundles.id = ? and files.bundle_id = bundles.id and files.id = ?;")
if err != nil {
log.Printf("%v\n", err)
return nil, err
}
defer s.Finalize()
err = s.Exec(user, bundle_id, file_id)
if err != nil {
log.Printf("%v\n", err)
return nil, err
}
for {
if !s.Next() {
break
}
var value int
err = s.Scan(&value)
if err != nil {
log.Printf("%v\n", err)
return nil, err
}
if value == 1 {
if conn == self.conn {
conn = nil
}
return &BundleFileMD{id: file_id, bundle: bundle, conn: conn}, nil
}
}
return nil, errors.New("File Id " + strconv.Itoa(file_id) + " not found.")
}
func (self *BundleManager) bundleFileIdAdd(conn *sqlite.Conn, user string, bundle_id int, pacifica_filename string, local_filename string) (int, error) {
self.mutex.Lock()
if self.shutdown {
return -1, errors.New("BundleManager is shutdown.")
}
defer self.mutex.Unlock()
sql := `
insert into files(bundle_id, local_filename, myemsl_filename) values(
(select case when (state == ?) then ? else null end from bundles where user = ? and id = ?),
?,
?
);`
err := conn.Exec(sql, int(BundleState_Unsubmitted), bundle_id, user, bundle_id, local_filename, pacifica_filename)
if err != nil {
old_state, terr := self.bundleStateGetNoLock(conn, user, bundle_id)
if terr != nil {
log.Printf("%v\n", terr)
return -1, err
}
if old_state != BundleState_Unsubmitted {
return -1, errors.New("Can't add files to submitted bundle.")
}
s, terr := conn.Prepare("select id, local_filename from files where bundle_id = ? and myemsl_filename = ?;")
if terr != nil {
log.Printf("%v\n", terr)
return -1, err
}
defer s.Finalize()
terr = s.Exec(bundle_id, pacifica_filename)
if terr != nil {
log.Printf("%v\n", terr)
return -1, err
}
for {
if !s.Next() {
break
}
var tid int
var tlocal_filename string
terr = s.Scan(&tid, &tlocal_filename)
if terr != nil {
log.Printf("%v\n", terr)
return -1, err
}
if tlocal_filename == local_filename {
return -1, errors.New(fmt.Sprintf("The file with the specified Server filename (%s) already exists in the bundle (%d)!", pacifica_filename, bundle_id))
} else {
return -1, errors.New(fmt.Sprintf("The file with the specified Server filename (%s) already exists in the bundle (%d) but with a different local filename (%s != %s)!", pacifica_filename, bundle_id, local_filename, tlocal_filename))
}
}
log.Printf("%v\n", err)
log.Printf("SQL: %s, %d, %d, %s, %d, %s, %s\n", sql, int(BundleState_Unsubmitted), bundle_id, user, bundle_id, local_filename, pacifica_filename)
return -1, err
}
s, err := conn.Prepare("select last_insert_rowid();")
if err != nil {
log.Printf("%v\n", err)
return -1, err
}
defer s.Finalize()
for {
if !s.Next() {
break
}
var value int
err = s.Scan(&value)
if err != nil {
log.Printf("%v\n", err)
return -1, err
}
return value, nil
}
return -1, errors.New("Unknown error.")
}
func populateUsers(server *Server, db *sqlite.Conn) (err os.Error) {
// Populate the server with regular user data
stmt, err := db.Prepare("SELECT user_id, name, pw, lastchannel, texture, strftime('%s', last_active) FROM users WHERE server_id=?")
if err != nil {
return
}
err = stmt.Exec(server.Id)
if err != nil {
return
}
for stmt.Next() {
var (
UserId int64
UserName string
SHA1Password string
LastChannel int
Texture []byte
LastActive int64
)
err = stmt.Scan(&UserId, &UserName, &SHA1Password, &LastChannel, &Texture, &LastActive)
if err != nil {
continue
}
user, err := NewUser(uint32(UserId), UserName)
if err != nil {
return err
}
user.Password = "******" + SHA1Password
key, err := globalBlobstore.Put(Texture)
if err != nil {
return err
}
user.TextureBlob = key
user.LastActive = uint64(LastActive)
user.LastChannelId = LastChannel
server.Users[user.Id] = user
}
stmt, err = db.Prepare("SELECT key, value FROM user_info WHERE server_id=? AND user_id=?")
if err != nil {
return
}
// Populate users with any new-style UserInfo records
for uid, user := range server.Users {
err = stmt.Reset()
if err != nil {
return err
}
err = stmt.Exec(server.Id, uid)
if err != nil {
return err
}
for stmt.Next() {
var (
Key int
Value string
)
err = stmt.Scan(&Key, &Value)
if err != nil {
return err
}
switch Key {
case UserInfoEmail:
user.Email = Value
case UserInfoComment:
key, err := globalBlobstore.Put([]byte(Value))
if err != nil {
return err
}
user.CommentBlob = key
case UserInfoHash:
user.CertHash = Value
case UserInfoLastActive:
// not a kv-pair (trigger)
case UserInfoPassword:
// not a kv-pair
case UserInfoName:
// not a kv-pair
}
}
}
return
}
// Populate the Server with Channels from the database.
func populateChannelsFromDatabase(server *Server, db *sqlite.Conn, parentId int) os.Error {
parent, exists := server.Channels[parentId]
if !exists {
return os.NewError("Non-existant parent")
}
stmt, err := db.Prepare("SELECT channel_id, name, inheritacl FROM channels WHERE server_id=? AND parent_id=?")
if err != nil {
return err
}
err = stmt.Exec(server.Id, parentId)
if err != nil {
return err
}
for stmt.Next() {
var (
name string
chanid int
inherit bool
)
err = stmt.Scan(&chanid, &name, &inherit)
if err != nil {
return err
}
c := server.NewChannel(chanid, name)
c.InheritACL = inherit
parent.AddChild(c)
}
// Add channel_info
for _, c := range parent.children {
err = populateChannelInfoFromDatabase(server, c, db)
if err != nil {
return err
}
}
// Add ACLs
for _, c := range parent.children {
err = populateChannelACLFromDatabase(server, c, db)
if err != nil {
return err
}
}
// Add groups
for _, c := range parent.children {
err = populateChannelGroupsFromDatabase(server, c, db)
if err != nil {
return err
}
}
// Add subchannels
for id, _ := range parent.children {
err = populateChannelsFromDatabase(server, db, id)
if err != nil {
return err
}
}
return nil
}
// Populate channel with groups by reading the SQLite database.
func populateChannelGroupsFromDatabase(server *Server, c *Channel, db *sqlite.Conn) os.Error {
stmt, err := db.Prepare("SELECT group_id, name, inherit, inheritable FROM groups WHERE server_id=? AND channel_id=?")
if err != nil {
return err
}
if err := stmt.Exec(server.Id, c.Id); err != nil {
return err
}
groups := make(map[int64]*Group)
for stmt.Next() {
var (
GroupId int64
Name string
Inherit bool
Inheritable bool
)
if err := stmt.Scan(&GroupId, &Name, &Inherit, &Inheritable); err != nil {
return err
}
g := NewGroup(c, Name)
g.Inherit = Inherit
g.Inheritable = Inheritable
c.Groups[g.Name] = g
groups[GroupId] = g
}
stmt, err = db.Prepare("SELECT user_id, addit FROM group_members WHERE server_id=? AND group_id=?")
if err != nil {
return err
}
for gid, grp := range groups {
if err = stmt.Exec(server.Id, gid); err != nil {
return err
}
for stmt.Next() {
var (
UserId int64
Add bool
)
if err := stmt.Scan(&UserId, &Add); err != nil {
return err
}
if Add {
grp.Add[int(UserId)] = true
} else {
grp.Remove[int(UserId)] = true
}
}
}
return nil
}