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- // Copyright (c) 2017 Daniel Oaks <daniel@danieloaks.net>
- // released under the MIT license
-
- package irc
-
- import (
- "fmt"
- "strconv"
- "strings"
- "time"
-
- "github.com/goshuirc/irc-go/ircfmt"
-
- "github.com/oragono/oragono/irc/modes"
- "github.com/oragono/oragono/irc/utils"
- )
-
- // "enabled" callbacks for specific nickserv commands
- func servCmdRequiresAccreg(config *Config) bool {
- return config.Accounts.Registration.Enabled
- }
-
- func servCmdRequiresAuthEnabled(config *Config) bool {
- return config.Accounts.AuthenticationEnabled
- }
-
- func servCmdRequiresNickRes(config *Config) bool {
- return config.Accounts.AuthenticationEnabled && config.Accounts.NickReservation.Enabled
- }
-
- func servCmdRequiresBouncerEnabled(config *Config) bool {
- return config.Accounts.Bouncer.Enabled
- }
-
- const (
- nsPrefix = "NickServ!NickServ@localhost"
- // ZNC's nickserv module will not detect this unless it is:
- // 1. sent with prefix `nickserv`
- // 2. contains the string "identify"
- // 3. contains at least one of several other magic strings ("msg" works)
- nsTimeoutNotice = `This nickname is reserved. Please login within %v (using $b/msg NickServ IDENTIFY <password>$b or SASL), or switch to a different nickname.`
- )
-
- const nickservHelp = `NickServ lets you register and login to an account.
-
- To see in-depth help for a specific NickServ command, try:
- $b/NS HELP <command>$b
-
- Here are the commands you can use:
- %s`
-
- var (
- nickservCommands = map[string]*serviceCommand{
- "drop": {
- handler: nsDropHandler,
- help: `Syntax: $bDROP [nickname]$b
-
- DROP de-links the given (or your current) nickname from your user account.`,
- helpShort: `$bDROP$b de-links your current (or the given) nickname from your user account.`,
- enabled: servCmdRequiresNickRes,
- authRequired: true,
- },
- "enforce": {
- hidden: true,
- handler: nsEnforceHandler,
- help: `Syntax: $bENFORCE [method]$b
-
- ENFORCE is an alias for $bGET enforce$b and $bSET enforce$b. See the help
- entry for $bSET$b for more information.`,
- authRequired: true,
- enabled: servCmdRequiresAccreg,
- },
- "ghost": {
- handler: nsGhostHandler,
- help: `Syntax: $bGHOST <nickname>$b
-
- GHOST disconnects the given user from the network if they're logged in with the
- same user account, letting you reclaim your nickname.`,
- helpShort: `$bGHOST$b reclaims your nickname.`,
- authRequired: true,
- minParams: 1,
- },
- "group": {
- handler: nsGroupHandler,
- help: `Syntax: $bGROUP$b
-
- GROUP links your current nickname with your logged-in account, so other people
- will not be able to use it.`,
- helpShort: `$bGROUP$b links your current nickname to your user account.`,
- enabled: servCmdRequiresNickRes,
- authRequired: true,
- },
- "identify": {
- handler: nsIdentifyHandler,
- help: `Syntax: $bIDENTIFY <username> [password]$b
-
- IDENTIFY lets you login to the given username using either password auth, or
- certfp (your client certificate) if a password is not given.`,
- helpShort: `$bIDENTIFY$b lets you login to your account.`,
- minParams: 1,
- },
- "info": {
- handler: nsInfoHandler,
- help: `Syntax: $bINFO [username]$b
-
- INFO gives you information about the given (or your own) user account.`,
- helpShort: `$bINFO$b gives you information on a user account.`,
- },
- "register": {
- handler: nsRegisterHandler,
- // TODO: "email" is an oversimplification here; it's actually any callback, e.g.,
- // person@example.com, mailto:person@example.com, tel:16505551234.
- help: `Syntax: $bREGISTER <password> [email]$b
-
- REGISTER lets you register your current nickname as a user account. If the
- server allows anonymous registration, you can omit the e-mail address.
-
- If you are currently logged in with a TLS client certificate and wish to use
- it instead of a password to log in, send * as the password.`,
- helpShort: `$bREGISTER$b lets you register a user account.`,
- enabled: servCmdRequiresAccreg,
- minParams: 1,
- maxParams: 2,
- },
- "sadrop": {
- handler: nsDropHandler,
- help: `Syntax: $bSADROP <nickname>$b
-
- SADROP forcibly de-links the given nickname from the attached user account.`,
- helpShort: `$bSADROP$b forcibly de-links the given nickname from its user account.`,
- capabs: []string{"accreg"},
- enabled: servCmdRequiresNickRes,
- minParams: 1,
- },
- "saregister": {
- handler: nsSaregisterHandler,
- help: `Syntax: $bSAREGISTER <username> <password>$b
-
- SAREGISTER registers an account on someone else's behalf.
- This is for use in configurations that require SASL for all connections;
- an administrator can set use this command to set up user accounts.`,
- helpShort: `$bSAREGISTER$b registers an account on someone else's behalf.`,
- enabled: servCmdRequiresAuthEnabled,
- capabs: []string{"accreg"},
- minParams: 2,
- },
- "sessions": {
- handler: nsSessionsHandler,
- help: `Syntax: $bSESSIONS [nickname]$b
-
- SESSIONS lists information about the sessions currently attached, via
- the server's bouncer functionality, to your nickname. An administrator
- can use this command to list another user's sessions.`,
- helpShort: `$bSESSIONS$b lists the sessions attached to a nickname.`,
- enabled: servCmdRequiresBouncerEnabled,
- },
- "unregister": {
- handler: nsUnregisterHandler,
- help: `Syntax: $bUNREGISTER <username> [code]$b
-
- UNREGISTER lets you delete your user account (or someone else's, if you're an
- IRC operator with the correct permissions). To prevent accidental
- unregistrations, a verification code is required; invoking the command without
- a code will display the necessary code.`,
- helpShort: `$bUNREGISTER$b lets you delete your user account.`,
- enabled: servCmdRequiresAuthEnabled,
- minParams: 1,
- },
- "verify": {
- handler: nsVerifyHandler,
- help: `Syntax: $bVERIFY <username> <code>$b
-
- VERIFY lets you complete an account registration, if the server requires email
- or other verification.`,
- helpShort: `$bVERIFY$b lets you complete account registration.`,
- enabled: servCmdRequiresAccreg,
- minParams: 2,
- },
- "passwd": {
- handler: nsPasswdHandler,
- help: `Syntax: $bPASSWD <current> <new> <new_again>$b
- Or: $bPASSWD <username> <new>$b
-
- PASSWD lets you change your account password. You must supply your current
- password and confirm the new one by typing it twice. If you're an IRC operator
- with the correct permissions, you can use PASSWD to reset someone else's
- password by supplying their username and then the desired password.`,
- helpShort: `$bPASSWD$b lets you change your password.`,
- enabled: servCmdRequiresAuthEnabled,
- minParams: 2,
- },
- "get": {
- handler: nsGetHandler,
- help: `Syntax: $bGET <setting>$b
-
- GET queries the current values of your account settings. For more information
- on the settings and their possible values, see HELP SET.`,
- helpShort: `$bGET$b queries the current values of your account settings`,
- authRequired: true,
- enabled: servCmdRequiresAccreg,
- minParams: 1,
- },
- "saget": {
- handler: nsGetHandler,
- help: `Syntax: $bSAGET <account> <setting>$b
-
- SAGET queries the values of someone else's account settings. For more
- information on the settings and their possible values, see HELP SET.`,
- helpShort: `$bSAGET$b queries the current values of another user's account settings`,
- enabled: servCmdRequiresAccreg,
- minParams: 2,
- capabs: []string{"accreg"},
- },
- "set": {
- handler: nsSetHandler,
- helpShort: `$bSET$b modifies your account settings`,
- // these are broken out as separate strings so they can be translated separately
- helpStrings: []string{
- `Syntax $bSET <setting> <value>$b
-
- Set modifies your account settings. The following settings are available:`,
-
- `$bENFORCE$b
- 'enforce' lets you specify a custom enforcement mechanism for your registered
- nicknames. Your options are:
- 1. 'none' [no enforcement, overriding the server default]
- 2. 'timeout' [anyone using the nick must authenticate before a deadline,
- or else they will be renamed]
- 3. 'strict' [you must already be authenticated to use the nick]
- 4. 'default' [use the server default]`,
-
- `$bBOUNCER$b
- If 'bouncer' is enabled and you are already logged in and using a nick, a
- second client of yours that authenticates with SASL and requests the same nick
- is allowed to attach to the nick as well (this is comparable to the behavior
- of IRC "bouncers" like ZNC). Your options are 'on' (allow this behavior),
- 'off' (disallow it), and 'default' (use the server default value).`,
-
- `$bAUTOREPLAY-LINES$b
- 'autoreplay-lines' controls the number of lines of channel history that will
- be replayed to you automatically when joining a channel. Your options are any
- positive number, 0 to disable the feature, and 'default' to use the server
- default.`,
-
- `$bAUTOREPLAY-JOINS$b
- 'autoreplay-joins' controls whether autoreplayed channel history will include
- lines for join and part. This provides more information about the context of
- messages, but may be spammy. Your options are 'on' and 'off'.`,
- },
- authRequired: true,
- enabled: servCmdRequiresAccreg,
- minParams: 2,
- },
- "saset": {
- handler: nsSetHandler,
- help: `Syntax: $bSASET <account> <setting> <value>$b
-
- SASET modifies the values of someone else's account settings. For more
- information on the settings and their possible values, see HELP SET.`,
- helpShort: `$bSASET$b modifies another user's account settings`,
- enabled: servCmdRequiresAccreg,
- minParams: 3,
- capabs: []string{"accreg"},
- },
- }
- )
-
- // nsNotice sends the client a notice from NickServ
- func nsNotice(rb *ResponseBuffer, text string) {
- // XXX i can't figure out how to use OragonoServices[servicename].prefix here
- // without creating a compile-time initialization loop
- rb.Add(nil, nsPrefix, "NOTICE", rb.target.Nick(), text)
- }
-
- func nsGetHandler(server *Server, client *Client, command string, params []string, rb *ResponseBuffer) {
- var account string
- if command == "saget" {
- account = params[0]
- params = params[1:]
- } else {
- account = client.Account()
- }
-
- accountData, err := server.accounts.LoadAccount(account)
- if err == errAccountDoesNotExist {
- nsNotice(rb, client.t("No such account"))
- return
- } else if err != nil {
- nsNotice(rb, client.t("Error loading account data"))
- return
- }
-
- displaySetting(params[0], accountData.Settings, client, rb)
- }
-
- func displaySetting(settingName string, settings AccountSettings, client *Client, rb *ResponseBuffer) {
- config := client.server.Config()
- switch strings.ToLower(settingName) {
- case "enforce":
- storedValue := settings.NickEnforcement
- serializedStoredValue := nickReservationToString(storedValue)
- nsNotice(rb, fmt.Sprintf(client.t("Your stored nickname enforcement setting is: %s"), serializedStoredValue))
- serializedActualValue := nickReservationToString(configuredEnforcementMethod(config, storedValue))
- nsNotice(rb, fmt.Sprintf(client.t("Given current server settings, your nickname is enforced with: %s"), serializedActualValue))
- case "autoreplay-lines":
- if settings.AutoreplayLines == nil {
- nsNotice(rb, fmt.Sprintf(client.t("You will receive the server default of %d lines of autoreplayed history"), config.History.AutoreplayOnJoin))
- } else {
- nsNotice(rb, fmt.Sprintf(client.t("You will receive %d lines of autoreplayed history"), *settings.AutoreplayLines))
- }
- case "autoreplay-joins":
- if settings.AutoreplayJoins {
- nsNotice(rb, client.t("You will see JOINs and PARTs in autoreplayed history lines"))
- } else {
- nsNotice(rb, client.t("You will not see JOINs and PARTs in autoreplayed history lines"))
- }
- case "bouncer":
- if !config.Accounts.Bouncer.Enabled {
- nsNotice(rb, fmt.Sprintf(client.t("This feature has been disabled by the server administrators")))
- } else {
- switch settings.AllowBouncer {
- case BouncerAllowedServerDefault:
- if config.Accounts.Bouncer.AllowedByDefault {
- nsNotice(rb, fmt.Sprintf(client.t("Bouncer functionality is currently enabled for your account, but you can opt out")))
- } else {
- nsNotice(rb, fmt.Sprintf(client.t("Bouncer functionality is currently disabled for your account, but you can opt in")))
- }
- case BouncerDisallowedByUser:
- nsNotice(rb, fmt.Sprintf(client.t("Bouncer functionality is currently disabled for your account")))
- case BouncerAllowedByUser:
- nsNotice(rb, fmt.Sprintf(client.t("Bouncer functionality is currently enabled for your account")))
- }
- }
- default:
- nsNotice(rb, client.t("No such setting"))
- }
- }
-
- func nsSetHandler(server *Server, client *Client, command string, params []string, rb *ResponseBuffer) {
- var account string
- if command == "saset" {
- account = params[0]
- params = params[1:]
- } else {
- account = client.Account()
- }
-
- var munger settingsMunger
- var finalSettings AccountSettings
- var err error
- switch strings.ToLower(params[0]) {
- case "pass":
- nsNotice(rb, client.t("To change a password, use the PASSWD command. For details, /msg NickServ HELP PASSWD"))
- return
- case "enforce":
- var method NickEnforcementMethod
- method, err = nickReservationFromString(params[1])
- if err != nil {
- err = errInvalidParams
- break
- }
- // updating enforcement settings is special-cased, because it requires
- // an update to server.accounts.accountToMethod
- finalSettings, err = server.accounts.SetEnforcementStatus(account, method)
- if err == nil {
- finalSettings.NickEnforcement = method // success
- }
- case "autoreplay-lines":
- var newValue *int
- if strings.ToLower(params[1]) != "default" {
- val, err_ := strconv.Atoi(params[1])
- if err_ != nil || val < 0 {
- err = errInvalidParams
- break
- }
- newValue = new(int)
- *newValue = val
- }
- munger = func(in AccountSettings) (out AccountSettings, err error) {
- out = in
- out.AutoreplayLines = newValue
- return
- }
- case "bouncer":
- var newValue BouncerAllowedSetting
- if strings.ToLower(params[1]) == "default" {
- newValue = BouncerAllowedServerDefault
- } else {
- var enabled bool
- enabled, err = utils.StringToBool(params[1])
- if enabled {
- newValue = BouncerAllowedByUser
- } else {
- newValue = BouncerDisallowedByUser
- }
- }
- if err == nil {
- munger = func(in AccountSettings) (out AccountSettings, err error) {
- out = in
- out.AllowBouncer = newValue
- return
- }
- }
- case "autoreplay-joins":
- var newValue bool
- newValue, err = utils.StringToBool(params[1])
- if err == nil {
- munger = func(in AccountSettings) (out AccountSettings, err error) {
- out = in
- out.AutoreplayJoins = newValue
- return
- }
- }
- default:
- err = errInvalidParams
- }
-
- if munger != nil {
- finalSettings, err = server.accounts.ModifyAccountSettings(account, munger)
- }
-
- switch err {
- case nil:
- nsNotice(rb, client.t("Successfully changed your account settings"))
- displaySetting(params[0], finalSettings, client, rb)
- case errInvalidParams, errAccountDoesNotExist, errFeatureDisabled, errAccountUnverified, errAccountUpdateFailed:
- nsNotice(rb, client.t(err.Error()))
- default:
- // unknown error
- nsNotice(rb, client.t("An error occurred"))
- }
- }
-
- func nsDropHandler(server *Server, client *Client, command string, params []string, rb *ResponseBuffer) {
- sadrop := command == "sadrop"
- var nick string
- if len(params) > 0 {
- nick = params[0]
- } else {
- nick = client.NickCasefolded()
- }
-
- err := server.accounts.SetNickReserved(client, nick, sadrop, false)
- if err == nil {
- nsNotice(rb, fmt.Sprintf(client.t("Successfully ungrouped nick %s with your account"), nick))
- } else if err == errAccountNotLoggedIn {
- nsNotice(rb, client.t("You're not logged into an account"))
- } else if err == errAccountCantDropPrimaryNick {
- nsNotice(rb, client.t("You can't ungroup your primary nickname (try unregistering your account instead)"))
- } else {
- nsNotice(rb, client.t("Could not ungroup nick"))
- }
- }
-
- func nsGhostHandler(server *Server, client *Client, command string, params []string, rb *ResponseBuffer) {
- nick := params[0]
-
- ghost := server.clients.Get(nick)
- if ghost == nil {
- nsNotice(rb, client.t("No such nick"))
- return
- } else if ghost == client {
- nsNotice(rb, client.t("You can't GHOST yourself (try /QUIT instead)"))
- return
- }
-
- authorized := false
- account := client.Account()
- if account != "" {
- // the user must either own the nick, or the target client
- authorized = (server.accounts.NickToAccount(nick) == account) || (ghost.Account() == account)
- }
- if !authorized {
- nsNotice(rb, client.t("You don't own that nick"))
- return
- }
-
- ghost.Quit(fmt.Sprintf(ghost.t("GHOSTed by %s"), client.Nick()), nil)
- ghost.destroy(nil)
- }
-
- func nsGroupHandler(server *Server, client *Client, command string, params []string, rb *ResponseBuffer) {
- nick := client.Nick()
- err := server.accounts.SetNickReserved(client, nick, false, true)
- if err == nil {
- nsNotice(rb, fmt.Sprintf(client.t("Successfully grouped nick %s with your account"), nick))
- } else if err == errAccountTooManyNicks {
- nsNotice(rb, client.t("You have too many nicks reserved already (you can remove some with /NS DROP)"))
- } else if err == errNicknameReserved {
- nsNotice(rb, client.t("That nickname is already reserved by someone else"))
- } else {
- nsNotice(rb, client.t("Error reserving nickname"))
- }
- }
-
- func nsLoginThrottleCheck(client *Client, rb *ResponseBuffer) (success bool) {
- throttled, remainingTime := client.loginThrottle.Touch()
- if throttled {
- nsNotice(rb, fmt.Sprintf(client.t("Please wait at least %v and try again"), remainingTime))
- return false
- }
- return true
- }
-
- func nsIdentifyHandler(server *Server, client *Client, command string, params []string, rb *ResponseBuffer) {
- if client.LoggedIntoAccount() {
- nsNotice(rb, client.t("You're already logged into an account"))
- return
- }
-
- loginSuccessful := false
-
- var username, passphrase string
- if len(params) == 1 {
- if client.certfp != "" {
- username = params[0]
- } else {
- // XXX undocumented compatibility mode with other nickservs, allowing
- // /msg NickServ identify passphrase
- username = client.NickCasefolded()
- passphrase = params[0]
- }
- } else {
- username = params[0]
- passphrase = params[1]
- }
-
- // try passphrase
- if passphrase != "" {
- if !nsLoginThrottleCheck(client, rb) {
- return
- }
- err := server.accounts.AuthenticateByPassphrase(client, username, passphrase)
- loginSuccessful = (err == nil)
- }
-
- // try certfp
- if !loginSuccessful && client.certfp != "" {
- err := server.accounts.AuthenticateByCertFP(client)
- loginSuccessful = (err == nil)
- }
-
- if loginSuccessful {
- sendSuccessfulAccountAuth(client, rb, true, true)
- } else {
- nsNotice(rb, client.t("Could not login with your TLS certificate or supplied username/password"))
- }
- }
-
- func nsInfoHandler(server *Server, client *Client, command string, params []string, rb *ResponseBuffer) {
- var accountName string
- if len(params) > 0 {
- nick := params[0]
- if server.AccountConfig().NickReservation.Enabled {
- accountName = server.accounts.NickToAccount(nick)
- if accountName == "" {
- nsNotice(rb, client.t("That nickname is not registered"))
- return
- }
- } else {
- accountName = nick
- }
- } else {
- accountName = client.Account()
- if accountName == "" {
- nsNotice(rb, client.t("You're not logged into an account"))
- return
- }
- }
-
- account, err := server.accounts.LoadAccount(accountName)
- if err != nil || !account.Verified {
- nsNotice(rb, client.t("Account does not exist"))
- return
- }
-
- nsNotice(rb, fmt.Sprintf(client.t("Account: %s"), account.Name))
- registeredAt := account.RegisteredAt.Format("Jan 02, 2006 15:04:05Z")
- nsNotice(rb, fmt.Sprintf(client.t("Registered at: %s"), registeredAt))
- // TODO nicer formatting for this
- for _, nick := range account.AdditionalNicks {
- nsNotice(rb, fmt.Sprintf(client.t("Additional grouped nick: %s"), nick))
- }
- for _, channel := range server.accounts.ChannelsForAccount(accountName) {
- nsNotice(rb, fmt.Sprintf(client.t("Registered channel: %s"), channel))
- }
- }
-
- func nsRegisterHandler(server *Server, client *Client, command string, params []string, rb *ResponseBuffer) {
- details := client.Details()
- account := details.nick
- passphrase := params[0]
- var email string
- if 1 < len(params) {
- email = params[1]
- }
-
- certfp := client.certfp
- if passphrase == "*" {
- if certfp == "" {
- nsNotice(rb, client.t("You must be connected with TLS and a client certificate to do this"))
- return
- } else {
- passphrase = ""
- }
- }
-
- if details.account != "" {
- nsNotice(rb, client.t("You're already logged into an account"))
- return
- }
-
- if !nsLoginThrottleCheck(client, rb) {
- return
- }
-
- config := server.AccountConfig()
- var callbackNamespace, callbackValue string
- noneCallbackAllowed := false
- for _, callback := range config.Registration.EnabledCallbacks {
- if callback == "*" {
- noneCallbackAllowed = true
- }
- }
- // XXX if ACC REGISTER allows registration with the `none` callback, then ignore
- // any callback that was passed here (to avoid confusion in the case where the ircd
- // has no mail server configured). otherwise, register using the provided callback:
- if noneCallbackAllowed {
- callbackNamespace = "*"
- } else {
- callbackNamespace, callbackValue = parseCallback(email, config)
- if callbackNamespace == "" || callbackValue == "" {
- nsNotice(rb, client.t("Registration requires a valid e-mail address"))
- return
- }
- }
-
- err := server.accounts.Register(client, account, callbackNamespace, callbackValue, passphrase, client.certfp)
- if err == nil {
- if callbackNamespace == "*" {
- err = server.accounts.Verify(client, account, "")
- if err == nil {
- sendSuccessfulRegResponse(client, rb, true)
- }
- } else {
- messageTemplate := client.t("Account created, pending verification; verification code has been sent to %s")
- message := fmt.Sprintf(messageTemplate, fmt.Sprintf("%s:%s", callbackNamespace, callbackValue))
- nsNotice(rb, message)
- }
- }
-
- // details could not be stored and relevant numerics have been dispatched, abort
- message, _ := registrationErrorToMessageAndCode(err)
- if err != nil {
- nsNotice(rb, client.t(message))
- return
- }
- }
-
- func nsSaregisterHandler(server *Server, client *Client, command string, params []string, rb *ResponseBuffer) {
- account, passphrase := params[0], params[1]
- err := server.accounts.Register(nil, account, "admin", "", passphrase, "")
- if err == nil {
- err = server.accounts.Verify(nil, account, "")
- }
-
- if err != nil {
- var errMsg string
- if err == errAccountAlreadyRegistered || err == errAccountAlreadyVerified {
- errMsg = client.t("Account already exists")
- } else if err == errAccountBadPassphrase {
- errMsg = client.t("Passphrase contains forbidden characters or is otherwise invalid")
- } else {
- server.logger.Error("services", "unknown error from saregister", err.Error())
- errMsg = client.t("Could not register")
- }
- nsNotice(rb, errMsg)
- } else {
- nsNotice(rb, fmt.Sprintf(client.t("Successfully registered account %s"), account))
- }
- }
-
- func nsUnregisterHandler(server *Server, client *Client, command string, params []string, rb *ResponseBuffer) {
- username := params[0]
- var verificationCode string
- if len(params) > 1 {
- verificationCode = params[1]
- }
-
- if username == "" {
- nsNotice(rb, client.t("You must specify an account"))
- return
- }
-
- account, err := server.accounts.LoadAccount(username)
- if err == errAccountDoesNotExist {
- nsNotice(rb, client.t("Invalid account name"))
- return
- } else if err != nil {
- nsNotice(rb, client.t("Internal error"))
- return
- }
-
- cfname, _ := CasefoldName(username)
- if !(cfname == client.Account() || client.HasRoleCapabs("accreg")) {
- nsNotice(rb, client.t("Insufficient oper privs"))
- return
- }
-
- expectedCode := unregisterConfirmationCode(account.Name, account.RegisteredAt)
- if expectedCode != verificationCode {
- nsNotice(rb, ircfmt.Unescape(client.t("$bWarning: unregistering this account will remove its stored privileges.$b")))
- nsNotice(rb, fmt.Sprintf(client.t("To confirm account unregistration, type: /NS UNREGISTER %[1]s %[2]s"), cfname, expectedCode))
- return
- }
-
- err = server.accounts.Unregister(cfname)
- if err == errAccountDoesNotExist {
- nsNotice(rb, client.t(err.Error()))
- } else if err != nil {
- nsNotice(rb, client.t("Error while unregistering account"))
- } else {
- nsNotice(rb, fmt.Sprintf(client.t("Successfully unregistered account %s"), cfname))
- server.logger.Info("accounts", "client", client.Nick(), "unregistered account", cfname)
- }
- }
-
- func nsVerifyHandler(server *Server, client *Client, command string, params []string, rb *ResponseBuffer) {
- username, code := params[0], params[1]
- err := server.accounts.Verify(client, username, code)
-
- var errorMessage string
- if err == errAccountVerificationInvalidCode || err == errAccountAlreadyVerified {
- errorMessage = err.Error()
- } else if err != nil {
- errorMessage = errAccountVerificationFailed.Error()
- }
-
- if errorMessage != "" {
- nsNotice(rb, client.t(errorMessage))
- return
- }
-
- sendSuccessfulRegResponse(client, rb, true)
- }
-
- func nsPasswdHandler(server *Server, client *Client, command string, params []string, rb *ResponseBuffer) {
- var target string
- var newPassword string
- var errorMessage string
-
- hasPrivs := client.HasRoleCapabs("accreg")
- if !hasPrivs && !nsLoginThrottleCheck(client, rb) {
- return
- }
-
- switch len(params) {
- case 2:
- if !hasPrivs {
- errorMessage = "Insufficient privileges"
- } else {
- target, newPassword = params[0], params[1]
- }
- case 3:
- target = client.Account()
- if target == "" {
- errorMessage = "You're not logged into an account"
- } else if params[1] != params[2] {
- errorMessage = "Passwords do not match"
- } else {
- // check that they correctly supplied the preexisting password
- _, err := server.accounts.checkPassphrase(target, params[0])
- if err != nil {
- errorMessage = "Password incorrect"
- } else {
- newPassword = params[1]
- }
- }
- default:
- errorMessage = `Invalid parameters`
- }
-
- if errorMessage != "" {
- nsNotice(rb, client.t(errorMessage))
- return
- }
-
- err := server.accounts.setPassword(target, newPassword)
- if err == nil {
- nsNotice(rb, client.t("Password changed"))
- } else {
- server.logger.Error("internal", "could not upgrade user password:", err.Error())
- nsNotice(rb, client.t("Password could not be changed due to server error"))
- }
- }
-
- func nsEnforceHandler(server *Server, client *Client, command string, params []string, rb *ResponseBuffer) {
- newParams := []string{"enforce"}
- if len(params) == 0 {
- nsGetHandler(server, client, "get", newParams, rb)
- } else {
- newParams = append(newParams, params[0])
- nsSetHandler(server, client, "set", newParams, rb)
- }
- }
-
- func nsSessionsHandler(server *Server, client *Client, command string, params []string, rb *ResponseBuffer) {
- target := client
-
- if 0 < len(params) {
- // same permissions check as RPL_WHOISACTUALLY for now:
- if !client.HasMode(modes.Operator) {
- nsNotice(rb, client.t("Command restricted"))
- return
- }
- target = server.clients.Get(params[0])
- if target == nil {
- nsNotice(rb, client.t("No such nick"))
- return
- }
- }
-
- sessionData, currentIndex := target.AllSessionData(rb.session)
- nsNotice(rb, fmt.Sprintf(client.t("Nickname %[1]s has %[2]d attached session(s)"), target.Nick(), len(sessionData)))
- for i, session := range sessionData {
- if currentIndex == i {
- nsNotice(rb, fmt.Sprintf(client.t("Session %d (currently attached session):"), i+1))
- } else {
- nsNotice(rb, fmt.Sprintf(client.t("Session %d:"), i+1))
- }
- nsNotice(rb, fmt.Sprintf(client.t("IP address: %s"), session.ip.String()))
- nsNotice(rb, fmt.Sprintf(client.t("Hostname: %s"), session.hostname))
- nsNotice(rb, fmt.Sprintf(client.t("Created at: %s"), session.ctime.Format(time.RFC1123)))
- nsNotice(rb, fmt.Sprintf(client.t("Last active: %s"), session.atime.Format(time.RFC1123)))
- }
- }
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