src/common/irccap.h

   1 /***************************************************************************
   2  *   Copyright (C) 2005-2019 by the Quassel Project                        *
   3  *   devel@quassel-irc.org                                                 *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) version 3.                                           *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
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  18  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
  19  ***************************************************************************/
  20
  21 #pragma once
  22
  23 #include <QString>
  24 #include <QStringList>
  25
  26 // Why a namespace instead of a class?  Seems to be a better fit for C++ than a 'static' class, as
  27 // compared to C# or Java.  However, feel free to change if needed.
  28 // See https://stackoverflow.com/questions/482745/namespaces-for-enum-types-best-practices
  29 /**
  30  * IRCv3 capability names and values
  31  */
  32 namespace IrcCap {
  33
  34     // NOTE: If you add or modify the constants below, update the knownCaps list.
  35
  36     /**
  37      * Account change notification.
  38      *
  39      * http://ircv3.net/specs/extensions/account-notify-3.1.html
  40      */
  41     const QString ACCOUNT_NOTIFY = "account-notify";
  42
  43     /**
  44      * Magic number for WHOX, used to ignore user-requested WHOX replies from servers
  45      *
  46      * If a user initiates a WHOX, there's no easy way to tell what fields were requested.  It's
  47      * simpler to not attempt to parse data from user-requested WHOX replies.
  48      */
  49     const uint ACCOUNT_NOTIFY_WHOX_NUM = 369;
  50
  51     /**
  52      * Away change notification.
  53      *
  54      * http://ircv3.net/specs/extensions/away-notify-3.1.html
  55      */
  56     const QString AWAY_NOTIFY = "away-notify";
  57
  58     /**
  59      * Capability added/removed notification.
  60      *
  61      * This is implicitly enabled via CAP LS 302, and is here for servers that only partially
  62      * support IRCv3.2.
  63      *
  64      * http://ircv3.net/specs/extensions/cap-notify-3.2.html
  65      */
  66     const QString CAP_NOTIFY = "cap-notify";
  67
  68     /**
  69      * Hostname/user changed notification.
  70      *
  71      * http://ircv3.net/specs/extensions/chghost-3.2.html
  72      */
  73     const QString CHGHOST = "chghost";
  74
  75     /**
  76      * Extended join information.
  77      *
  78      * http://ircv3.net/specs/extensions/extended-join-3.1.html
  79      */
  80     const QString EXTENDED_JOIN = "extended-join";
  81
  82     /**
  83      * Multiple mode prefixes in MODE and WHO replies.
  84      *
  85      * http://ircv3.net/specs/extensions/multi-prefix-3.1.html
  86      */
  87     const QString MULTI_PREFIX = "multi-prefix";
  88
  89     /**
  90      * SASL authentication.
  91      *
  92      * http://ircv3.net/specs/extensions/sasl-3.2.html
  93      */
  94     const QString SASL = "sasl";
  95
  96     /**
  97      * Userhost in names replies.
  98      *
  99      * http://ircv3.net/specs/extensions/userhost-in-names-3.2.html
 100      */
 101     const QString USERHOST_IN_NAMES = "userhost-in-names";
 102
 103     /**
 104      * Server time for messages.
 105      *
 106      * https://ircv3.net/specs/extensions/server-time-3.2.html
 107      */
 108     const QString SERVER_TIME = "server-time";
 109
 110     /**
 111      * Vendor-specific capabilities
 112      */
 113     namespace Vendor {
 114
 115         /**
 116          * Twitch.tv membership message support
 117          *
 118          * User list in a channel can be quite large and often non required for bot users and is then optional.
 119          *
 120          * From Twitch.tv documentation:
 121          * "Adds membership state event data. By default, we do not send this data to clients without this capability."
 122          *
 123          * https://dev.twitch.tv/docs/v5/guides/irc/#twitch-irc-capability-membership
 124          */
 125         const QString TWITCH_MEMBERSHIP = "twitch.tv/membership";
 126
 127         /**
 128          * Self message support, as recognized by ZNC.
 129          *
 130          * Some servers (e.g. Bitlbee) assume self-message support; ZNC requires a capability
 131          * instead.  As self-message is already implemented, there's little reason to not do this.
 132          *
 133          * More information in the IRCv3 commit that removed the 'self-message' capability.
 134          *
 135          * https://github.com/ircv3/ircv3-specifications/commit/1bfba47843c2526707c902034b3395af934713c8
 136          */
 137         const QString ZNC_SELF_MESSAGE = "znc.in/self-message";
 138     }
 139
 140     /**
 141      * List of capabilities currently implemented and requested during capability negotiation.
 142      */
 143     const QStringList knownCaps = QStringList{ACCOUNT_NOTIFY,
 144                                               AWAY_NOTIFY,
 145                                               CAP_NOTIFY,
 146                                               CHGHOST,
 147                                               EXTENDED_JOIN,
 148                                               MULTI_PREFIX,
 149                                               SASL,
 150                                               USERHOST_IN_NAMES,
 151                                               SERVER_TIME,
 152                                               Vendor::TWITCH_MEMBERSHIP,
 153                                               Vendor::ZNC_SELF_MESSAGE};
 154     // NOTE: If you modify the knownCaps list, update the constants above as needed.
 155
 156     /**
 157      * SASL authentication mechanisms
 158      *
 159      * http://ircv3.net/specs/extensions/sasl-3.1.html
 160      */
 161     namespace SaslMech {
 162         /**
 163          * PLAIN authentication, e.g. hashed password
 164          */
 165         const QString PLAIN = "PLAIN";
 166
 167         /**
 168          * EXTERNAL authentication, e.g. SSL certificate and keys
 169          */
 170         const QString EXTERNAL = "EXTERNAL";
 171     }
 172 }