mirror of
https://github.com/ergochat/ergo.git
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1222 lines
41 KiB
Go
1222 lines
41 KiB
Go
// Copyright (c) 2017 Daniel Oaks <daniel@danieloaks.net>
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// released under the MIT license
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package irc
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import (
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"fmt"
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"regexp"
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"strconv"
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"strings"
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"time"
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"github.com/goshuirc/irc-go/ircfmt"
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"github.com/oragono/oragono/irc/modes"
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"github.com/oragono/oragono/irc/passwd"
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"github.com/oragono/oragono/irc/sno"
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"github.com/oragono/oragono/irc/utils"
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)
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// "enabled" callbacks for specific nickserv commands
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func servCmdRequiresAccreg(config *Config) bool {
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return config.Accounts.Registration.Enabled
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}
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func servCmdRequiresAuthEnabled(config *Config) bool {
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return config.Accounts.AuthenticationEnabled
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}
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func servCmdRequiresNickRes(config *Config) bool {
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return config.Accounts.AuthenticationEnabled && config.Accounts.NickReservation.Enabled
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}
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func servCmdRequiresBouncerEnabled(config *Config) bool {
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return config.Accounts.Multiclient.Enabled
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}
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const (
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nsPrefix = "NickServ!NickServ@localhost"
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)
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const nickservHelp = `NickServ lets you register, log in to, and manage an account.`
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var (
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nickservCommands = map[string]*serviceCommand{
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"drop": {
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handler: nsDropHandler,
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help: `Syntax: $bDROP [nickname]$b
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DROP de-links the given (or your current) nickname from your user account.`,
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helpShort: `$bDROP$b de-links your current (or the given) nickname from your user account.`,
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enabled: servCmdRequiresNickRes,
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authRequired: true,
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},
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"enforce": {
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hidden: true,
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handler: nsEnforceHandler,
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help: `Syntax: $bENFORCE [method]$b
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ENFORCE is an alias for $bGET enforce$b and $bSET enforce$b. See the help
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entry for $bSET$b for more information.`,
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authRequired: true,
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enabled: servCmdRequiresNickRes,
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},
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"ghost": {
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handler: nsGhostHandler,
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help: `Syntax: $bGHOST <nickname>$b
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GHOST disconnects the given user from the network if they're logged in with the
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same user account, letting you reclaim your nickname.`,
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helpShort: `$bGHOST$b reclaims your nickname.`,
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enabled: servCmdRequiresNickRes,
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authRequired: true,
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minParams: 1,
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},
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"group": {
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handler: nsGroupHandler,
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help: `Syntax: $bGROUP$b
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GROUP links your current nickname with your logged-in account, so other people
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will not be able to use it.`,
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helpShort: `$bGROUP$b links your current nickname to your user account.`,
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enabled: servCmdRequiresNickRes,
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authRequired: true,
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},
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"identify": {
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handler: nsIdentifyHandler,
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help: `Syntax: $bIDENTIFY <username> [password]$b
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IDENTIFY lets you login to the given username using either password auth, or
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certfp (your client certificate) if a password is not given.`,
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helpShort: `$bIDENTIFY$b lets you login to your account.`,
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enabled: servCmdRequiresAuthEnabled,
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minParams: 1,
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},
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"list": {
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handler: nsListHandler,
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help: `Syntax: $bLIST [regex]$b
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LIST returns the list of registered nicknames, which match the given regex.
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If no regex is provided, all registered nicknames are returned.`,
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helpShort: `$bLIST$b searches the list of registered nicknames.`,
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enabled: servCmdRequiresAuthEnabled,
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capabs: []string{"accreg"},
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minParams: 0,
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},
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"info": {
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handler: nsInfoHandler,
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help: `Syntax: $bINFO [username]$b
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INFO gives you information about the given (or your own) user account.`,
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helpShort: `$bINFO$b gives you information on a user account.`,
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},
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"register": {
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handler: nsRegisterHandler,
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// TODO: "email" is an oversimplification here; it's actually any callback, e.g.,
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// person@example.com, mailto:person@example.com, tel:16505551234.
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help: `Syntax: $bREGISTER <password> [email]$b
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REGISTER lets you register your current nickname as a user account. If the
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server allows anonymous registration, you can omit the e-mail address.
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If you are currently logged in with a TLS client certificate and wish to use
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it instead of a password to log in, send * as the password.`,
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helpShort: `$bREGISTER$b lets you register a user account.`,
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enabled: servCmdRequiresAccreg,
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minParams: 1,
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maxParams: 2,
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},
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"sadrop": {
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handler: nsDropHandler,
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help: `Syntax: $bSADROP <nickname>$b
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SADROP forcibly de-links the given nickname from the attached user account.`,
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helpShort: `$bSADROP$b forcibly de-links the given nickname from its user account.`,
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capabs: []string{"accreg"},
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enabled: servCmdRequiresNickRes,
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minParams: 1,
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},
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"saregister": {
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handler: nsSaregisterHandler,
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help: `Syntax: $bSAREGISTER <username> [password]$b
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SAREGISTER registers an account on someone else's behalf.
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This is for use in configurations that require SASL for all connections;
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an administrator can set use this command to set up user accounts.`,
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helpShort: `$bSAREGISTER$b registers an account on someone else's behalf.`,
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enabled: servCmdRequiresAuthEnabled,
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capabs: []string{"accreg"},
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minParams: 1,
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},
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"sessions": {
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handler: nsSessionsHandler,
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help: `Syntax: $bSESSIONS [nickname]$b
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SESSIONS lists information about the sessions currently attached, via
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the server's multiclient functionality, to your nickname. An administrator
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can use this command to list another user's sessions.`,
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helpShort: `$bSESSIONS$b lists the sessions attached to a nickname.`,
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enabled: servCmdRequiresBouncerEnabled,
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},
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"unregister": {
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handler: nsUnregisterHandler,
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help: `Syntax: $bUNREGISTER <username> [code]$b
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UNREGISTER lets you delete your user account (or someone else's, if you're an
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IRC operator with the correct permissions). To prevent accidental
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unregistrations, a verification code is required; invoking the command without
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a code will display the necessary code.`,
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helpShort: `$bUNREGISTER$b lets you delete your user account.`,
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enabled: servCmdRequiresAuthEnabled,
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minParams: 1,
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},
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"erase": {
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handler: nsUnregisterHandler,
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help: `Syntax: $bERASE <username> [code]$b
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ERASE deletes all records of an account, allowing it to be re-registered.
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This should be used with caution, because it violates an expectation that
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account names are permanent identifiers. Typically, UNREGISTER should be
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used instead. A confirmation code is required; invoking the command
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without a code will display the necessary code.`,
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helpShort: `$bERASE$b erases all records of an account, allowing reuse.`,
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enabled: servCmdRequiresAuthEnabled,
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capabs: []string{"accreg"},
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minParams: 1,
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},
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"verify": {
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handler: nsVerifyHandler,
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help: `Syntax: $bVERIFY <username> <code>$b
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VERIFY lets you complete an account registration, if the server requires email
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or other verification.`,
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helpShort: `$bVERIFY$b lets you complete account registration.`,
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enabled: servCmdRequiresAccreg,
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minParams: 2,
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},
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"passwd": {
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handler: nsPasswdHandler,
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help: `Syntax: $bPASSWD <current> <new> <new_again>$b
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Or: $bPASSWD <username> <new>$b
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PASSWD lets you change your account password. You must supply your current
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password and confirm the new one by typing it twice. If you're an IRC operator
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with the correct permissions, you can use PASSWD to reset someone else's
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password by supplying their username and then the desired password. To
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indicate an empty password, use * instead.`,
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helpShort: `$bPASSWD$b lets you change your password.`,
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enabled: servCmdRequiresAuthEnabled,
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minParams: 2,
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},
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"get": {
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handler: nsGetHandler,
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help: `Syntax: $bGET <setting>$b
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GET queries the current values of your account settings. For more information
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on the settings and their possible values, see HELP SET.`,
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helpShort: `$bGET$b queries the current values of your account settings`,
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authRequired: true,
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enabled: servCmdRequiresAuthEnabled,
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minParams: 1,
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},
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"saget": {
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handler: nsGetHandler,
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help: `Syntax: $bSAGET <account> <setting>$b
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SAGET queries the values of someone else's account settings. For more
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information on the settings and their possible values, see HELP SET.`,
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helpShort: `$bSAGET$b queries the current values of another user's account settings`,
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enabled: servCmdRequiresAuthEnabled,
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minParams: 2,
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capabs: []string{"accreg"},
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},
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"set": {
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handler: nsSetHandler,
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helpShort: `$bSET$b modifies your account settings`,
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// these are broken out as separate strings so they can be translated separately
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helpStrings: []string{
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`Syntax $bSET <setting> <value>$b
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SET modifies your account settings. The following settings are available:`,
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`$bENFORCE$b
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'enforce' lets you specify a custom enforcement mechanism for your registered
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nicknames. Your options are:
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1. 'none' [no enforcement, overriding the server default]
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2. 'strict' [you must already be authenticated to use the nick]
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3. 'default' [use the server default]`,
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`$bMULTICLIENT$b
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If 'multiclient' is enabled and you are already logged in and using a nick, a
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second client of yours that authenticates with SASL and requests the same nick
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is allowed to attach to the nick as well (this is comparable to the behavior
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of IRC "bouncers" like ZNC). Your options are 'on' (allow this behavior),
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'off' (disallow it), and 'default' (use the server default value).`,
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`$bAUTOREPLAY-LINES$b
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'autoreplay-lines' controls the number of lines of channel history that will
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be replayed to you automatically when joining a channel. Your options are any
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positive number, 0 to disable the feature, and 'default' to use the server
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default.`,
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`$bREPLAY-JOINS$b
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'replay-joins' controls whether replayed channel history will include
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lines for join and part. This provides more information about the context of
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messages, but may be spammy. Your options are 'always', 'never', and the default
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of 'commands-only' (the messages will be replayed in /HISTORY output, but not
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during autoreplay).`,
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`$bALWAYS-ON$b
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'always-on' controls whether your nickname/identity will remain active
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even while you are disconnected from the server. Your options are 'true',
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'false', and 'default' (use the server default value).`,
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`$bAUTOREPLAY-MISSED$b
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'autoreplay-missed' is only effective for always-on clients. If enabled,
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if you have at most one active session, the server will remember the time
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you disconnect and then replay missed messages to you when you reconnect.
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Your options are 'on' and 'off'.`,
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`$bDM-HISTORY$b
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'dm-history' is only effective for always-on clients. It lets you control
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how the history of your direct messages is stored. Your options are:
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1. 'off' [no history]
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2. 'ephemeral' [a limited amount of temporary history, not stored on disk]
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3. 'on' [history stored in a permanent database, if available]
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4. 'default' [use the server default]`,
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`$bAUTO-AWAY$b
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'auto-away' is only effective for always-on clients. If enabled, you will
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automatically be marked away when all your sessions are disconnected, and
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automatically return from away when you connect again.`,
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},
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authRequired: true,
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enabled: servCmdRequiresAuthEnabled,
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minParams: 2,
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},
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"saset": {
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handler: nsSetHandler,
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help: `Syntax: $bSASET <account> <setting> <value>$b
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SASET modifies the values of someone else's account settings. For more
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information on the settings and their possible values, see HELP SET.`,
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helpShort: `$bSASET$b modifies another user's account settings`,
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enabled: servCmdRequiresAuthEnabled,
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minParams: 3,
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capabs: []string{"accreg"},
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},
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"cert": {
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handler: nsCertHandler,
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help: `Syntax: $bCERT <LIST | ADD | DEL> [account] [certfp]$b
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CERT examines or modifies the TLS certificate fingerprints that can be used to
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log into an account. Specifically, $bCERT LIST$b lists the authorized
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fingerprints, $bCERT ADD <fingerprint>$b adds a new fingerprint, and
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$bCERT DEL <fingerprint>$b removes a fingerprint. If you're an IRC operator
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with the correct permissions, you can act on another user's account, for
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example with $bCERT ADD <account> <fingerprint>$b.`,
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helpShort: `$bCERT$b controls a user account's certificate fingerprints`,
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enabled: servCmdRequiresAuthEnabled,
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minParams: 1,
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},
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"suspend": {
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handler: nsSuspendHandler,
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help: `Syntax: $bSUSPEND <nickname>$b
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SUSPEND disables an account and disconnects the associated clients.`,
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helpShort: `$bSUSPEND$b disables an account and disconnects the clients`,
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minParams: 1,
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capabs: []string{"accreg"},
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},
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"unsuspend": {
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handler: nsUnsuspendHandler,
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help: `Syntax: $bUNSUSPEND <nickname>$b
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UNSUSPEND reverses a previous SUSPEND, restoring access to the account.`,
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helpShort: `$bUNSUSPEND$b restores access to a suspended account`,
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minParams: 1,
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capabs: []string{"accreg"},
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},
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}
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)
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// nsNotice sends the client a notice from NickServ
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func nsNotice(rb *ResponseBuffer, text string) {
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// XXX i can't figure out how to use OragonoServices[servicename].prefix here
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// without creating a compile-time initialization loop
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rb.Add(nil, nsPrefix, "NOTICE", rb.target.Nick(), text)
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}
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func nsGetHandler(server *Server, client *Client, command string, params []string, rb *ResponseBuffer) {
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var account string
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if command == "saget" {
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account = params[0]
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params = params[1:]
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} else {
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account = client.Account()
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}
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accountData, err := server.accounts.LoadAccount(account)
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if err == errAccountDoesNotExist {
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nsNotice(rb, client.t("No such account"))
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return
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} else if err != nil {
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nsNotice(rb, client.t("Error loading account data"))
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return
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}
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displaySetting(params[0], accountData.Settings, client, rb)
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}
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func displaySetting(settingName string, settings AccountSettings, client *Client, rb *ResponseBuffer) {
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config := client.server.Config()
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switch strings.ToLower(settingName) {
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case "enforce":
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storedValue := settings.NickEnforcement
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serializedStoredValue := nickReservationToString(storedValue)
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nsNotice(rb, fmt.Sprintf(client.t("Your stored nickname enforcement setting is: %s"), serializedStoredValue))
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serializedActualValue := nickReservationToString(configuredEnforcementMethod(config, storedValue))
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nsNotice(rb, fmt.Sprintf(client.t("Given current server settings, your nickname is enforced with: %s"), serializedActualValue))
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case "autoreplay-lines":
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if settings.AutoreplayLines == nil {
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nsNotice(rb, fmt.Sprintf(client.t("You will receive the server default of %d lines of autoreplayed history"), config.History.AutoreplayOnJoin))
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} else {
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nsNotice(rb, fmt.Sprintf(client.t("You will receive %d lines of autoreplayed history"), *settings.AutoreplayLines))
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}
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case "replay-joins":
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switch settings.ReplayJoins {
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case ReplayJoinsCommandsOnly:
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nsNotice(rb, client.t("You will see JOINs and PARTs in /HISTORY output, but not in autoreplay"))
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case ReplayJoinsAlways:
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nsNotice(rb, client.t("You will see JOINs and PARTs in /HISTORY output and in autoreplay"))
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case ReplayJoinsNever:
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nsNotice(rb, client.t("You will not see JOINs and PARTs in /HISTORY output or in autoreplay"))
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}
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case "multiclient":
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if !config.Accounts.Multiclient.Enabled {
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nsNotice(rb, client.t("This feature has been disabled by the server administrators"))
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} else {
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switch settings.AllowBouncer {
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case MulticlientAllowedServerDefault:
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if config.Accounts.Multiclient.AllowedByDefault {
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nsNotice(rb, client.t("Multiclient functionality is currently enabled for your account, but you can opt out"))
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} else {
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nsNotice(rb, client.t("Multiclient functionality is currently disabled for your account, but you can opt in"))
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}
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case MulticlientDisallowedByUser:
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nsNotice(rb, client.t("Multiclient functionality is currently disabled for your account"))
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case MulticlientAllowedByUser:
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nsNotice(rb, client.t("Multiclient functionality is currently enabled for your account"))
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}
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}
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case "always-on":
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stored := settings.AlwaysOn
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actual := persistenceEnabled(config.Accounts.Multiclient.AlwaysOn, stored)
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nsNotice(rb, fmt.Sprintf(client.t("Your stored always-on setting is: %s"), persistentStatusToString(stored)))
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if actual {
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nsNotice(rb, client.t("Given current server settings, your client is always-on"))
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} else {
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nsNotice(rb, client.t("Given current server settings, your client is not always-on"))
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}
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case "autoreplay-missed":
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stored := settings.AutoreplayMissed
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if stored {
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alwaysOn := persistenceEnabled(config.Accounts.Multiclient.AlwaysOn, settings.AlwaysOn)
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if alwaysOn {
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nsNotice(rb, client.t("Autoreplay of missed messages is enabled"))
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} else {
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nsNotice(rb, client.t("You have enabled autoreplay of missed messages, but you can't receive them because your client isn't set to always-on"))
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}
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} else {
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nsNotice(rb, client.t("Your account is not configured to receive autoreplayed missed messages"))
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}
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case "auto-away":
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stored := settings.AutoAway
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alwaysOn := persistenceEnabled(config.Accounts.Multiclient.AlwaysOn, settings.AlwaysOn)
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actual := persistenceEnabled(config.Accounts.Multiclient.AutoAway, settings.AutoAway)
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nsNotice(rb, fmt.Sprintf(client.t("Your stored auto-away setting is: %s"), persistentStatusToString(stored)))
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if actual && alwaysOn {
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nsNotice(rb, client.t("Given current server settings, auto-away is enabled for your client"))
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} else if actual && !alwaysOn {
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nsNotice(rb, client.t("Because your client is not always-on, auto-away is disabled"))
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} else if !actual {
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nsNotice(rb, client.t("Given current server settings, auto-away is disabled for your client"))
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}
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case "dm-history":
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effectiveValue := historyEnabled(config.History.Persistent.DirectMessages, settings.DMHistory)
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nsNotice(rb, fmt.Sprintf(client.t("Your stored direct message history setting is: %s"), historyStatusToString(settings.DMHistory)))
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nsNotice(rb, fmt.Sprintf(client.t("Given current server settings, your direct message history setting is: %s"), historyStatusToString(effectiveValue)))
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default:
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nsNotice(rb, client.t("No such setting"))
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}
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}
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func nsSetHandler(server *Server, client *Client, command string, params []string, rb *ResponseBuffer) {
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var account string
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if command == "saset" {
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account = params[0]
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params = params[1:]
|
|
} else {
|
|
account = client.Account()
|
|
}
|
|
|
|
var munger settingsMunger
|
|
var finalSettings AccountSettings
|
|
var err error
|
|
switch strings.ToLower(params[0]) {
|
|
case "pass", "password":
|
|
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 "multiclient":
|
|
var newValue MulticlientAllowedSetting
|
|
if strings.ToLower(params[1]) == "default" {
|
|
newValue = MulticlientAllowedServerDefault
|
|
} else {
|
|
var enabled bool
|
|
enabled, err = utils.StringToBool(params[1])
|
|
if enabled {
|
|
newValue = MulticlientAllowedByUser
|
|
} else {
|
|
newValue = MulticlientDisallowedByUser
|
|
}
|
|
}
|
|
if err == nil {
|
|
munger = func(in AccountSettings) (out AccountSettings, err error) {
|
|
out = in
|
|
out.AllowBouncer = newValue
|
|
return
|
|
}
|
|
}
|
|
case "replay-joins":
|
|
var newValue ReplayJoinsSetting
|
|
newValue, err = replayJoinsSettingFromString(params[1])
|
|
if err == nil {
|
|
munger = func(in AccountSettings) (out AccountSettings, err error) {
|
|
out = in
|
|
out.ReplayJoins = newValue
|
|
return
|
|
}
|
|
}
|
|
case "always-on":
|
|
// #821: it's problematic to alter the value of always-on if you're not
|
|
// the (actual or potential) always-on client yourself. make an exception
|
|
// for `saset` to give operators an escape hatch (any consistency problems
|
|
// can probably be fixed by restarting the server):
|
|
if command != "saset" {
|
|
details := client.Details()
|
|
if details.nick != details.accountName {
|
|
err = errNickAccountMismatch
|
|
}
|
|
}
|
|
if err == nil {
|
|
var newValue PersistentStatus
|
|
newValue, err = persistentStatusFromString(params[1])
|
|
// "opt-in" and "opt-out" don't make sense as user preferences
|
|
if err == nil && newValue != PersistentOptIn && newValue != PersistentOptOut {
|
|
munger = func(in AccountSettings) (out AccountSettings, err error) {
|
|
out = in
|
|
out.AlwaysOn = newValue
|
|
return
|
|
}
|
|
}
|
|
}
|
|
case "autoreplay-missed":
|
|
var newValue bool
|
|
newValue, err = utils.StringToBool(params[1])
|
|
if err == nil {
|
|
munger = func(in AccountSettings) (out AccountSettings, err error) {
|
|
out = in
|
|
out.AutoreplayMissed = newValue
|
|
return
|
|
}
|
|
}
|
|
case "auto-away":
|
|
var newValue PersistentStatus
|
|
newValue, err = persistentStatusFromString(params[1])
|
|
// "opt-in" and "opt-out" don't make sense as user preferences
|
|
if err == nil && newValue != PersistentOptIn && newValue != PersistentOptOut {
|
|
munger = func(in AccountSettings) (out AccountSettings, err error) {
|
|
out = in
|
|
out.AutoAway = newValue
|
|
return
|
|
}
|
|
}
|
|
case "dm-history":
|
|
var newValue HistoryStatus
|
|
newValue, err = historyStatusFromString(params[1])
|
|
if err == nil {
|
|
munger = func(in AccountSettings) (out AccountSettings, err error) {
|
|
out = in
|
|
out.DMHistory = 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()))
|
|
case errNickAccountMismatch:
|
|
nsNotice(rb, fmt.Sprintf(client.t("Your nickname must match your account name %s exactly to modify this setting. Try changing it with /NICK, or logging out and back in with the correct nickname."), client.AccountName()))
|
|
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
|
|
} else if ghost.AlwaysOn() {
|
|
nsNotice(rb, client.t("You can't GHOST an always-on client"))
|
|
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.checkLoginThrottle()
|
|
if throttled {
|
|
nsNotice(rb, fmt.Sprintf(client.t("Please wait at least %v and try again"), remainingTime))
|
|
}
|
|
return !throttled
|
|
}
|
|
|
|
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
|
|
}
|
|
|
|
var err error
|
|
loginSuccessful := false
|
|
|
|
var username, passphrase string
|
|
if len(params) == 1 {
|
|
if rb.session.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 != "" {
|
|
err = server.accounts.AuthenticateByPassphrase(client, username, passphrase)
|
|
loginSuccessful = (err == nil)
|
|
}
|
|
|
|
// try certfp
|
|
if !loginSuccessful && rb.session.certfp != "" {
|
|
err = server.accounts.AuthenticateByCertFP(client, rb.session.certfp, "")
|
|
loginSuccessful = (err == nil)
|
|
}
|
|
|
|
nickFixupFailed := false
|
|
if loginSuccessful {
|
|
if !fixupNickEqualsAccount(client, rb, server.Config()) {
|
|
loginSuccessful = false
|
|
// fixupNickEqualsAccount sends its own error message, don't send another
|
|
nickFixupFailed = true
|
|
}
|
|
}
|
|
|
|
if loginSuccessful {
|
|
sendSuccessfulAccountAuth(client, rb, true, true)
|
|
} else if !nickFixupFailed {
|
|
nsNotice(rb, fmt.Sprintf(client.t("Authentication failed: %s"), authErrorToMessage(server, err)))
|
|
}
|
|
}
|
|
|
|
func nsListHandler(server *Server, client *Client, command string, params []string, rb *ResponseBuffer) {
|
|
if !client.HasRoleCapabs("accreg") {
|
|
nsNotice(rb, client.t("Insufficient privileges"))
|
|
return
|
|
}
|
|
|
|
var searchRegex *regexp.Regexp
|
|
if len(params) > 0 {
|
|
var err error
|
|
searchRegex, err = regexp.Compile(params[0])
|
|
if err != nil {
|
|
nsNotice(rb, client.t("Invalid regex"))
|
|
return
|
|
}
|
|
}
|
|
|
|
nsNotice(rb, ircfmt.Unescape(client.t("*** $bNickServ LIST$b ***")))
|
|
|
|
nicks := server.accounts.AllNicks()
|
|
for _, nick := range nicks {
|
|
if searchRegex == nil || searchRegex.MatchString(nick) {
|
|
nsNotice(rb, fmt.Sprintf(" %s", nick))
|
|
}
|
|
}
|
|
|
|
nsNotice(rb, ircfmt.Unescape(client.t("*** $bEnd of NickServ LIST$b ***")))
|
|
}
|
|
|
|
func nsInfoHandler(server *Server, client *Client, command string, params []string, rb *ResponseBuffer) {
|
|
if !server.Config().Accounts.AuthenticationEnabled && !client.HasRoleCapabs("accreg") {
|
|
nsNotice(rb, client.t("This command has been disabled by the server administrators"))
|
|
return
|
|
}
|
|
|
|
var accountName string
|
|
if len(params) > 0 {
|
|
nick := params[0]
|
|
if server.Config().Accounts.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(time.RFC1123)
|
|
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()
|
|
passphrase := params[0]
|
|
var email string
|
|
if 1 < len(params) {
|
|
email = params[1]
|
|
}
|
|
|
|
certfp := rb.session.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 passphrase != "" {
|
|
cfPassphrase, err := Casefold(passphrase)
|
|
if err == nil && cfPassphrase == details.nickCasefolded {
|
|
nsNotice(rb, client.t("Usage: REGISTER <passphrase> [email]")) // #1179
|
|
return
|
|
}
|
|
}
|
|
|
|
if !nsLoginThrottleCheck(client, rb) {
|
|
return
|
|
}
|
|
|
|
config := server.Config()
|
|
account := details.nick
|
|
if config.Accounts.NickReservation.ForceGuestFormat {
|
|
matches := config.Accounts.NickReservation.guestRegexp.FindStringSubmatch(account)
|
|
if matches == nil || len(matches) < 2 {
|
|
nsNotice(rb, client.t("Erroneous nickname"))
|
|
return
|
|
}
|
|
account = matches[1]
|
|
}
|
|
|
|
var callbackNamespace, callbackValue string
|
|
noneCallbackAllowed := false
|
|
for _, callback := range config.Accounts.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.Accounts)
|
|
if callbackNamespace == "" || callbackValue == "" {
|
|
nsNotice(rb, client.t("Registration requires a valid e-mail address"))
|
|
return
|
|
}
|
|
}
|
|
|
|
err := server.accounts.Register(client, account, callbackNamespace, callbackValue, passphrase, rb.session.certfp)
|
|
if err == nil {
|
|
if callbackNamespace == "*" {
|
|
err = server.accounts.Verify(client, account, "")
|
|
if err == nil && fixupNickEqualsAccount(client, rb, config) {
|
|
sendSuccessfulRegResponse(client, rb, true)
|
|
}
|
|
} else {
|
|
messageTemplate := client.t("Account created, pending verification; verification code has been sent to %s")
|
|
message := fmt.Sprintf(messageTemplate, callbackValue)
|
|
nsNotice(rb, message)
|
|
}
|
|
} else {
|
|
// details could not be stored and relevant numerics have been dispatched, abort
|
|
message, _ := registrationErrorToMessageAndCode(err)
|
|
nsNotice(rb, client.t(message))
|
|
}
|
|
}
|
|
|
|
func nsSaregisterHandler(server *Server, client *Client, command string, params []string, rb *ResponseBuffer) {
|
|
var account, passphrase string
|
|
account = params[0]
|
|
if 1 < len(params) && params[1] != "*" {
|
|
passphrase = params[1]
|
|
}
|
|
err := server.accounts.SARegister(account, passphrase)
|
|
|
|
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))
|
|
server.snomasks.Send(sno.LocalAccounts, fmt.Sprintf(ircfmt.Unescape("Operator $c[grey][$r%s$c[grey]] registered account $c[grey][$r%s$c[grey]] with SAREGISTER"), client.Oper().Name, account))
|
|
}
|
|
}
|
|
|
|
func nsUnregisterHandler(server *Server, client *Client, command string, params []string, rb *ResponseBuffer) {
|
|
erase := command == "erase"
|
|
|
|
username := params[0]
|
|
var verificationCode string
|
|
if len(params) > 1 {
|
|
verificationCode = params[1]
|
|
}
|
|
|
|
if username == "" {
|
|
nsNotice(rb, client.t("You must specify an account"))
|
|
return
|
|
}
|
|
|
|
var accountName string
|
|
var registeredAt time.Time
|
|
if erase {
|
|
// account may not be in a loadable state, e.g., if it was unregistered
|
|
accountName = username
|
|
// make the confirmation code nondeterministic for ERASE
|
|
registeredAt = server.ctime
|
|
} else {
|
|
account, err := server.accounts.LoadAccount(username)
|
|
if err == errAccountDoesNotExist {
|
|
nsNotice(rb, client.t("Invalid account name"))
|
|
return
|
|
} else if err != nil {
|
|
nsNotice(rb, client.t("Internal error"))
|
|
return
|
|
}
|
|
accountName = account.Name
|
|
registeredAt = account.RegisteredAt
|
|
}
|
|
|
|
if !(accountName == client.AccountName() || client.HasRoleCapabs("accreg")) {
|
|
nsNotice(rb, client.t("Insufficient oper privs"))
|
|
return
|
|
}
|
|
|
|
expectedCode := utils.ConfirmationCode(accountName, registeredAt)
|
|
if expectedCode != verificationCode {
|
|
if erase {
|
|
nsNotice(rb, ircfmt.Unescape(client.t("$bWarning: erasing this account will allow it to be re-registered; consider UNREGISTER instead.$b")))
|
|
} else {
|
|
nsNotice(rb, ircfmt.Unescape(client.t("$bWarning: unregistering this account will remove its stored privileges.$b")))
|
|
}
|
|
nsNotice(rb, fmt.Sprintf(client.t("To confirm, run this command: %s"), fmt.Sprintf("/NS %s %s %s", strings.ToUpper(command), accountName, expectedCode)))
|
|
return
|
|
}
|
|
|
|
err := server.accounts.Unregister(accountName, erase)
|
|
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"), accountName))
|
|
server.logger.Info("accounts", "client", client.Nick(), "unregistered account", accountName)
|
|
client.server.snomasks.Send(sno.LocalAccounts, fmt.Sprintf(ircfmt.Unescape("Client $c[grey][$r%s$c[grey]] unregistered account $c[grey][$r%s$c[grey]]"), client.NickMaskString(), accountName))
|
|
}
|
|
}
|
|
|
|
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 != nil {
|
|
switch err {
|
|
case errAccountAlreadyLoggedIn, errAccountVerificationInvalidCode, errAccountAlreadyVerified:
|
|
errorMessage = err.Error()
|
|
default:
|
|
errorMessage = errAccountVerificationFailed.Error()
|
|
}
|
|
}
|
|
|
|
if errorMessage != "" {
|
|
nsNotice(rb, client.t(errorMessage))
|
|
return
|
|
}
|
|
|
|
if fixupNickEqualsAccount(client, rb, server.Config()) {
|
|
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")
|
|
|
|
switch len(params) {
|
|
case 2:
|
|
if !hasPrivs {
|
|
errorMessage = `Insufficient privileges`
|
|
} else {
|
|
target, newPassword = params[0], params[1]
|
|
if newPassword == "*" {
|
|
newPassword = ""
|
|
}
|
|
}
|
|
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 {
|
|
if !nsLoginThrottleCheck(client, rb) {
|
|
return
|
|
}
|
|
accountData, err := server.accounts.LoadAccount(target)
|
|
if err != nil {
|
|
errorMessage = `You're not logged into an account`
|
|
} else {
|
|
hash := accountData.Credentials.PassphraseHash
|
|
if hash != nil && passwd.CompareHashAndPassword(hash, []byte(params[0])) != nil {
|
|
errorMessage = `Password incorrect`
|
|
} else {
|
|
newPassword = params[1]
|
|
if newPassword == "*" {
|
|
newPassword = ""
|
|
}
|
|
}
|
|
}
|
|
}
|
|
default:
|
|
errorMessage = `Invalid parameters`
|
|
}
|
|
|
|
if errorMessage != "" {
|
|
nsNotice(rb, client.t(errorMessage))
|
|
return
|
|
}
|
|
|
|
err := server.accounts.setPassword(target, newPassword, hasPrivs)
|
|
switch err {
|
|
case nil:
|
|
nsNotice(rb, client.t("Password changed"))
|
|
case errEmptyCredentials:
|
|
nsNotice(rb, client.t("You can't delete your password unless you add a certificate fingerprint"))
|
|
case errCredsExternallyManaged:
|
|
nsNotice(rb, client.t("Your account credentials are managed externally and cannot be changed here"))
|
|
case errCASFailed:
|
|
nsNotice(rb, client.t("Try again later"))
|
|
default:
|
|
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) {
|
|
target = server.clients.Get(params[0])
|
|
if target == nil {
|
|
nsNotice(rb, client.t("No such nick"))
|
|
return
|
|
}
|
|
// same permissions check as RPL_WHOISACTUALLY for now:
|
|
if target != client && !client.HasMode(modes.Operator) {
|
|
nsNotice(rb, client.t("Command restricted"))
|
|
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))
|
|
}
|
|
if session.deviceID != "" {
|
|
nsNotice(rb, fmt.Sprintf(client.t("Device ID: %s"), session.deviceID))
|
|
}
|
|
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)))
|
|
if session.certfp != "" {
|
|
nsNotice(rb, fmt.Sprintf(client.t("Certfp: %s"), session.certfp))
|
|
}
|
|
}
|
|
}
|
|
|
|
func nsCertHandler(server *Server, client *Client, command string, params []string, rb *ResponseBuffer) {
|
|
verb := strings.ToLower(params[0])
|
|
params = params[1:]
|
|
var target, certfp string
|
|
|
|
switch verb {
|
|
case "list":
|
|
if 1 <= len(params) {
|
|
target = params[0]
|
|
}
|
|
case "add", "del":
|
|
if 2 <= len(params) {
|
|
target, certfp = params[0], params[1]
|
|
} else if len(params) == 1 {
|
|
certfp = params[0]
|
|
} else if len(params) == 0 && verb == "add" && rb.session.certfp != "" {
|
|
certfp = rb.session.certfp // #1059
|
|
} else {
|
|
nsNotice(rb, client.t("Invalid parameters"))
|
|
return
|
|
}
|
|
default:
|
|
nsNotice(rb, client.t("Invalid parameters"))
|
|
return
|
|
}
|
|
|
|
hasPrivs := client.HasRoleCapabs("accreg")
|
|
if target != "" && !hasPrivs {
|
|
nsNotice(rb, client.t("Insufficient privileges"))
|
|
return
|
|
} else if target == "" {
|
|
target = client.Account()
|
|
if target == "" {
|
|
nsNotice(rb, client.t("You're not logged into an account"))
|
|
return
|
|
}
|
|
}
|
|
|
|
var err error
|
|
switch verb {
|
|
case "list":
|
|
accountData, err := server.accounts.LoadAccount(target)
|
|
if err == errAccountDoesNotExist {
|
|
nsNotice(rb, client.t("Account does not exist"))
|
|
return
|
|
} else if err != nil {
|
|
nsNotice(rb, client.t("An error occurred"))
|
|
return
|
|
}
|
|
certfps := accountData.Credentials.Certfps
|
|
nsNotice(rb, fmt.Sprintf(client.t("There are %[1]d certificate fingerprint(s) authorized for account %[2]s."), len(certfps), accountData.Name))
|
|
for i, certfp := range certfps {
|
|
nsNotice(rb, fmt.Sprintf("%d: %s", i+1, certfp))
|
|
}
|
|
return
|
|
case "add":
|
|
err = server.accounts.addRemoveCertfp(target, certfp, true, hasPrivs)
|
|
case "del":
|
|
err = server.accounts.addRemoveCertfp(target, certfp, false, hasPrivs)
|
|
}
|
|
|
|
switch err {
|
|
case nil:
|
|
if verb == "add" {
|
|
nsNotice(rb, client.t("Certificate fingerprint successfully added"))
|
|
} else {
|
|
nsNotice(rb, client.t("Certificate fingerprint successfully removed"))
|
|
}
|
|
case errNoop:
|
|
if verb == "add" {
|
|
nsNotice(rb, client.t("That certificate fingerprint was already authorized"))
|
|
} else {
|
|
nsNotice(rb, client.t("Certificate fingerprint not found"))
|
|
}
|
|
case errAccountDoesNotExist:
|
|
nsNotice(rb, client.t("Account does not exist"))
|
|
case errLimitExceeded:
|
|
nsNotice(rb, client.t("You already have too many certificate fingerprints"))
|
|
case utils.ErrInvalidCertfp:
|
|
nsNotice(rb, client.t("Invalid certificate fingerprint"))
|
|
case errCertfpAlreadyExists:
|
|
nsNotice(rb, client.t("That certificate fingerprint is already associated with another account"))
|
|
case errEmptyCredentials:
|
|
nsNotice(rb, client.t("You can't remove all your certificate fingerprints unless you add a password"))
|
|
case errCredsExternallyManaged:
|
|
nsNotice(rb, client.t("Your account credentials are managed externally and cannot be changed here"))
|
|
case errCASFailed:
|
|
nsNotice(rb, client.t("Try again later"))
|
|
default:
|
|
server.logger.Error("internal", "could not modify certificates:", err.Error())
|
|
nsNotice(rb, client.t("An error occurred"))
|
|
}
|
|
}
|
|
|
|
func nsSuspendHandler(server *Server, client *Client, command string, params []string, rb *ResponseBuffer) {
|
|
err := server.accounts.Suspend(params[0])
|
|
switch err {
|
|
case nil:
|
|
nsNotice(rb, fmt.Sprintf(client.t("Successfully suspended account %s"), params[0]))
|
|
case errAccountDoesNotExist:
|
|
nsNotice(rb, client.t("No such account"))
|
|
default:
|
|
nsNotice(rb, client.t("An error occurred"))
|
|
}
|
|
}
|
|
|
|
func nsUnsuspendHandler(server *Server, client *Client, command string, params []string, rb *ResponseBuffer) {
|
|
err := server.accounts.Unsuspend(params[0])
|
|
switch err {
|
|
case nil:
|
|
nsNotice(rb, fmt.Sprintf(client.t("Successfully un-suspended account %s"), params[0]))
|
|
case errAccountDoesNotExist:
|
|
nsNotice(rb, client.t("No such account"))
|
|
default:
|
|
nsNotice(rb, client.t("An error occurred"))
|
|
}
|
|
}
|