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master
Trevor Slocum 5 years ago
parent
12cf575569
commit
7db983d592
1 changed files with 55 additions and 51 deletions
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  1. 106
      server.go

106
server.go
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@ -40,6 +40,7 @@ const (
COMMAND_REVEAL = "REVEAL"
COMMAND_KICK = "KICK"
COMMAND_BAN = "BAN"
COMMAND_AUDIT = "AUDIT"
// Server admins only
COMMAND_KILL = "KILL"
@ -68,22 +69,26 @@ var permissionLabels = map[int]string{
PERMISSION_SUPERADMIN: "Super Administrator",
}
var ALL_PERMISSIONS = "Client, Registered Client, VIP, Moderator, Adminsitrator and Super Administrator"
var commandRestrictions = map[int][]string{
PERMISSION_REGISTERED: {COMMAND_TOKEN, COMMAND_USERNAME, COMMAND_PASSWORD, COMMAND_FOUND},
PERMISSION_MODERATOR: {COMMAND_REVEAL, COMMAND_KICK, COMMAND_BAN},
PERMISSION_ADMIN: {COMMAND_GRANT},
PERMISSION_ADMIN: {COMMAND_GRANT, COMMAND_AUDIT},
PERMISSION_SUPERADMIN: {COMMAND_DROP, COMMAND_KILL, COMMAND_STATS, COMMAND_REHASH, COMMAND_UPGRADE}}
var helpDuration = "Duration can be 0 to never expire, or e.g. 30m, 1h, 2d, 3w"
var commandUsage = map[string][]string{
COMMAND_HELP: {"[command]",
"Print info regarding all commands or a specific command"},
COMMAND_HELP: {"[command|all]",
"Print usage information regarding a specific command or 'all'",
"Without a command or 'all', only commands currently available are printed"},
COMMAND_INFO: {"[channel]",
"When a channel is specified, prints info including whether it is registered",
"Without a channel, server info is printed"},
COMMAND_REGISTER: {"<username> <password>",
"Create an account, allowing you to found channels and moderate existing channels",
"See IDENTIFY, FOUND, GRANT"},
"Create an account",
"Once you've registered, other users may GRANT permissions to you, or ",
"See IDENTIFY"},
COMMAND_IDENTIFY: {"[username] <password>",
"Identify to a previously registered account",
"If username is omitted, it will be replaced with your current nick",
@ -95,23 +100,29 @@ var commandUsage = map[string][]string{
COMMAND_PASSWORD: {"<username> <password> <new password> <confirm new password>",
"Change your password"},
COMMAND_FOUND: {"<channel>",
"Register a channel"},
COMMAND_GRANT: {"<channel> [account] [updated access]",
"When an account token isn't specified, all permissions are listed",
"View or update a user's access level by specifying their account token",
"To remove an account, set their access level to User"},
COMMAND_REVEAL: {"<channel> [page] [full]",
"Take ownership of an unfounded channel"},
COMMAND_GRANT: {"<channel> [account] [permission]",
"When an account token isn't specified, all accounts with permissions are listed",
"Specify an account token and permission level to grant that permission",
"Specify an account token only to view that account's permission",
"To remove an account's permissions, set their permission to Client",
"Permissions: " + ALL_PERMISSIONS},
COMMAND_REVEAL: {"<channel> [page] [all]",
"Print channel log, allowing KICK/BAN to be used",
fmt.Sprintf("Results start at page 1, %d per page", CHANNEL_LOGS_PER_PAGE),
"All log entries are returned when viewing page -1",
"By default joins and parts are hidden, use 'full' to show them"},
"Page -1 shows all matching entries",
"Joins and parts are hidden by default, add 'all' to show them"},
COMMAND_AUDIT: {"<channel> [page]",
"Print channel audit log",
fmt.Sprintf("Results start at page 1, %d per page", CHANNEL_LOGS_PER_PAGE),
"Page -1 shows all matching entries"},
COMMAND_KICK: {"<channel> <5 digit log number> [reason]",
"Kick a user from a channel"},
COMMAND_BAN: {"<channel> <5 digit log number> <duration> [reason]",
"Kick and ban a user from a channel",
helpDuration},
COMMAND_DROP: {"<channel> <confirm channel>",
"Delete all channel data, allowing it to be FOUNDed again"},
"Delete all channel data, allowing it to be founded again"},
COMMAND_KILL: {"<channel> <5 digit log number> <duration> [reason]",
"Disconnect and ban a user from the server",
helpDuration},
@ -564,13 +575,13 @@ func (s *Server) handleTopic(channel string, client string, topic string) {
}
func (s *Server) handleMode(c *Client, params []string) {
// TODO: irssi sends mode <channel> b, send response
if len(params) == 0 || len(params[0]) == 0 {
c.sendNotice("Invalid use of MODE")
return
}
if c == nil {
if len(params) > 1 && params[1] == "b" {
c.writeMessage(irc.RPL_ENDOFBANLIST, []string{params[0], "End of Channel Ban List"})
return
}
@ -586,9 +597,8 @@ func (s *Server) handleMode(c *Client, params []string) {
// Send channel creation time
c.writeMessage(strings.Join([]string{"329", c.nick, params[0], fmt.Sprintf("%d", int32(ch.created))}, " "), []string{})
} else if len(params) > 1 && len(params[1]) > 0 && (params[1][0] == '+' || params[1][0] == '-') {
} else if len(params) > 1 && len(params[1]) > 0 && params[1][0] == '+' || params[1][0] == '-' {
if !c.canUse(irc.MODE, params[0]) {
// TODO: Send proper mode denied message
c.accessDenied(c.permissionRequired(irc.MODE))
return
}
@ -683,25 +693,17 @@ func (s *Server) handleMode(c *Client, params []string) {
}
}
func (s *Server) buildUsage(cl *Client, command string) map[string][]string {
u := map[string][]string{}
func (s *Server) sendUsage(cl *Client, command string) {
command = strings.ToUpper(command)
for cmd, usage := range commandUsage {
if command == COMMAND_HELP || cmd == command {
if cl.canUse(cmd, "") {
u[cmd] = usage
}
}
}
return u
}
func (s *Server) sendUsage(cl *Client, command string) {
u := s.buildUsage(cl, command)
showAll := false
if command == "ALL" {
command = COMMAND_HELP
showAll = true
}
commands := make([]string, 0, len(u))
for cmd := range u {
commands := make([]string, 0, len(commandUsage))
for cmd := range commandUsage {
commands = append(commands, cmd)
}
sort.Strings(commands)
@ -725,9 +727,11 @@ func (s *Server) sendUsage(cl *Client, command string) {
for _, permission := range perms {
printedLabel = false
for _, cmd := range commands {
if cl.permissionRequired(cmd) != permission {
if (i == 0 && containsString(serverCommands, cmd)) || (i == 1 && !containsString(serverCommands, cmd)) || cl.permissionRequired(cmd) != permission {
continue
} else if (i == 0 && containsString(serverCommands, cmd)) || (i == 1 && !containsString(serverCommands, cmd)) {
}
if !showAll && !cl.canUse(cmd, "") {
continue
}
@ -736,7 +740,7 @@ func (s *Server) sendUsage(cl *Client, command string) {
printedLabel = true
}
usage = u[cmd]
usage = commandUsage[cmd]
cl.sendMessage(cmd + " " + usage[0])
for _, ul := range usage[1:] {
cl.sendMessage(" " + ul)
@ -745,14 +749,13 @@ func (s *Server) sendUsage(cl *Client, command string) {
}
}
} else {
// TODO: Cleanup/merge
for _, cmd := range commands {
usage = u[cmd]
cl.sendMessage(cmd + " " + usage[0])
if usage, ok := commandUsage[command]; ok {
cl.sendMessage(command + " " + usage[0])
for _, ul := range usage[1:] {
cl.sendMessage(" " + ul)
}
} else {
cl.sendError("Unknown command specified")
}
}
@ -848,6 +851,7 @@ func (s *Server) handleUserCommand(client string, command string, params []strin
}
// TODO: Only alphanumeric username
// TODO: allow duplicate usernames, only return error on existing username and password
case COMMAND_IDENTIFY:
if len(params) == 0 || len(params) > 2 {
s.sendUsage(cl, command)
@ -940,7 +944,7 @@ func (s *Server) handleUserCommand(client string, command string, params []strin
log.Panicf("%+v", err)
}
cl.sendMessage("Password changed successfully")
case COMMAND_REVEAL:
case COMMAND_REVEAL, COMMAND_AUDIT:
// TODO: &#chan shows moderator audit log, & alone shows server admin audit log
if len(params) == 0 {
s.sendUsage(cl, command)
@ -975,7 +979,11 @@ func (s *Server) handleUserCommand(client string, command string, params []strin
}
}
s.revealChannelLog(params[0], cl.identifier, page, all)
if command == COMMAND_REVEAL {
s.revealChannelLog(params[0], cl.identifier, page, all)
} else {
// TODO: Audit
}
case COMMAND_KICK:
if len(params) < 2 {
s.sendUsage(cl, command)
@ -1119,7 +1127,7 @@ func (s *Server) handleRead(c *Client) {
s.killClient(c, "")
return
}
if debugMode && (verbose || (len(msg.Command) >= 4 && msg.Command[0:4] != irc.PING && msg.Command[0:4] != irc.PONG)) {
if debugMode && (verbose || len(msg.Command) < 4 || (msg.Command[0:4] != irc.PING && msg.Command[0:4] != irc.PONG)) {
log.Printf("%s -> %s", c.identifier, msg)
}
@ -1263,11 +1271,7 @@ func (s *Server) handleRead(c *Client) {
}
}
} else if msg.Command == irc.MODE {
if len(msg.Params) == 2 && validChannelPrefix(msg.Params[0]) && msg.Params[1] == "b" {
c.writeMessage(irc.RPL_ENDOFBANLIST, []string{msg.Params[0], "End of Channel Ban List"})
} else {
s.handleMode(c, msg.Params)
}
s.handleMode(c, msg.Params)
} else if msg.Command == irc.TOPIC && len(msg.Params) > 0 && len(msg.Params[0]) > 0 {
if len(msg.Params) == 1 {
s.sendTopic(msg.Params[0], c.identifier, false)
@ -1308,7 +1312,7 @@ func (s *Server) handleWrite(c *Client) {
msg.Params = append([]string{c.nick}, msg.Params...)
}
if debugMode && (verbose || (len(msg.Command) >= 4 && msg.Command[0:4] != irc.PING && msg.Command[0:4] != irc.PONG)) {
if debugMode && (verbose || len(msg.Command) < 4 || (msg.Command[0:4] != irc.PING && msg.Command[0:4] != irc.PONG)) {
log.Printf("%s <- %s", c.identifier, msg)
}
c.writer.Encode(msg)

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