dotfiles/home-manager/accounts-email.nix

521 lines
13 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.accounts.email;
gpgModule = types.submodule {
options = {
key = mkOption {
type = types.str;
description = ''
The key to use as listed in <command>gpg --list-keys</command>.
'';
};
signByDefault = mkOption {
type = types.bool;
default = false;
description = "Sign messages by default.";
};
encryptByDefault = mkOption {
type = types.bool;
default = false;
description = "Encrypt outgoing messages by default.";
};
};
};
signatureModule = types.submodule {
options = {
text = mkOption {
type = types.str;
default = "";
example = ''
--
Luke Skywalker
May the force be with you.
'';
description = ''
Signature content.
'';
};
delimiter = mkOption {
type = types.str;
default = ''
--
'';
example = literalExpression ''
~*~*~*~*~*~*~*~*~*~*~*~
'';
description = ''
The delimiter used between the document and the signature.
'';
};
command = mkOption {
type = with types; nullOr path;
default = null;
example = literalExpression ''
pkgs.writeScript "signature" "echo This is my signature"
'';
description = "A command that generates a signature.";
};
showSignature = mkOption {
type = types.enum [ "append" "attach" "none" ];
default = "none";
description = "Method to communicate the signature.";
};
};
};
tlsModule = types.submodule {
options = {
enable = mkOption {
type = types.bool;
default = true;
description = ''
Whether to enable TLS/SSL.
'';
};
useStartTls = mkOption {
type = types.bool;
default = false;
description = ''
Whether to use STARTTLS.
'';
};
certificatesFile = mkOption {
type = types.nullOr types.path;
default = config.accounts.email.certificatesFile;
defaultText = "config.accounts.email.certificatesFile";
description = ''
Path to file containing certificate authorities that should
be used to validate the connection authenticity. If
<literal>null</literal> then the system default is used.
Note, if set then the system default may still be accepted.
'';
};
};
};
imapModule = types.submodule {
options = {
host = mkOption {
type = types.str;
example = "imap.example.org";
description = ''
Hostname of IMAP server.
'';
};
port = mkOption {
type = types.nullOr types.port;
default = null;
example = 993;
description = ''
The port on which the IMAP server listens. If
<literal>null</literal> then the default port is used.
'';
};
tls = mkOption {
type = tlsModule;
default = { };
description = ''
Configuration for secure connections.
'';
};
};
};
jmapModule = types.submodule {
options = {
host = mkOption {
type = types.nullOr types.str;
default = null;
example = "jmap.example.org";
description = ''
Hostname of JMAP server.
</para><para>
If both this option and <xref
linkend="opt-accounts.email.accounts._name_.jmap.sessionUrl"/> are specified,
<code>host</code> is preferred by applications when establishing a
session.
'';
};
sessionUrl = mkOption {
type = types.nullOr types.str;
default = null;
example = "https://jmap.example.org:443/.well-known/jmap";
description = ''
URL for the JMAP Session resource.
</para><para>
If both this option and <xref
linkend="opt-accounts.email.accounts._name_.jmap.host"/> are specified,
<code>host</code> is preferred by applications when establishing a
session.
'';
};
};
};
smtpModule = types.submodule {
options = {
host = mkOption {
type = types.str;
example = "smtp.example.org";
description = ''
Hostname of SMTP server.
'';
};
port = mkOption {
type = types.nullOr types.port;
default = null;
example = 465;
description = ''
The port on which the SMTP server listens. If
<literal>null</literal> then the default port is used.
'';
};
tls = mkOption {
type = tlsModule;
default = { };
description = ''
Configuration for secure connections.
'';
};
};
};
maildirModule = types.submodule ({ config, ... }: {
options = {
path = mkOption {
type = types.str;
description = ''
Path to maildir directory where mail for this account is
stored. This is relative to the base maildir path.
'';
};
absPath = mkOption {
type = types.str;
default = "${cfg.maildirBasePath}/${config.path}";
description = ''
A convenience option whose value is the absolute path of
this maildir.
'';
};
};
});
mailAccountOpts = { name, config, ... }: {
options = {
name = mkOption {
type = types.str;
readOnly = true;
description = ''
Unique identifier of the account. This is set to the
attribute name of the account configuration.
'';
};
primary = mkOption {
type = types.bool;
default = false;
description = ''
Whether this is the primary account. Only one account may be
set as primary.
'';
};
flavor = mkOption {
type = types.enum [
"plain"
"gmail.com"
"runbox.com"
"fastmail.com"
"yandex.com"
"outlook.office365.com"
];
default = "plain";
description = ''
Some email providers have peculiar behavior that require
special treatment. This option is therefore intended to
indicate the nature of the provider.
</para><para>
When this indicates a specific provider then, for example,
the IMAP, SMTP, and JMAP server configuration may be set
automatically.
'';
};
address = mkOption {
type = types.strMatching ".*@.*";
example = "jane.doe@example.org";
description = "The email address of this account.";
};
aliases = mkOption {
type = types.listOf (types.strMatching ".*@.*");
default = [ ];
example = [ "webmaster@example.org" "admin@example.org" ];
description = "Alternative email addresses of this account.";
};
realName = mkOption {
type = types.str;
example = "Jane Doe";
description = "Name displayed when sending mails.";
};
userName = mkOption {
type = types.nullOr types.str;
default = null;
description = ''
The server username of this account. This will be used as
the SMTP, IMAP, and JMAP user name.
'';
};
passwordCommand = mkOption {
type = types.nullOr (types.either types.str (types.listOf types.str));
default = null;
apply = p: if isString p then splitString " " p else p;
example = "secret-tool lookup email me@example.org";
description = ''
A command, which when run writes the account password on
standard output.
'';
};
folders = mkOption {
type = types.submodule {
options = {
inbox = mkOption {
type = types.str;
default = "Inbox";
description = ''
Relative path of the inbox mail.
'';
};
sent = mkOption {
type = types.nullOr types.str;
default = "Sent";
description = ''
Relative path of the sent mail folder.
'';
};
drafts = mkOption {
type = types.nullOr types.str;
default = "Drafts";
description = ''
Relative path of the drafts mail folder.
'';
};
trash = mkOption {
type = types.str;
default = "Trash";
description = ''
Relative path of the deleted mail folder.
'';
};
};
};
default = { };
description = ''
Standard email folders.
'';
};
imap = mkOption {
type = types.nullOr imapModule;
default = null;
description = ''
The IMAP configuration to use for this account.
'';
};
jmap = mkOption {
type = types.nullOr jmapModule;
default = null;
description = ''
The JMAP configuration to use for this account.
'';
};
signature = mkOption {
type = signatureModule;
default = { };
description = ''
Signature configuration.
'';
};
gpg = mkOption {
type = types.nullOr gpgModule;
default = null;
description = ''
GPG configuration.
'';
};
smtp = mkOption {
type = types.nullOr smtpModule;
default = null;
description = ''
The SMTP configuration to use for this account.
'';
};
maildir = mkOption {
type = types.nullOr maildirModule;
defaultText = { path = "\${name}"; };
description = ''
Maildir configuration for this account.
'';
};
};
config = mkMerge [
{
name = name;
maildir = mkOptionDefault { path = "${name}"; };
}
(mkIf (config.flavor == "yandex.com") {
userName = mkDefault config.address;
imap = {
host = "imap.yandex.com";
port = 993;
tls.enable = true;
};
smtp = {
host = "smtp.yandex.com";
port = 465;
tls.enable = true;
};
})
(mkIf (config.flavor == "outlook.office365.com") {
userName = mkDefault config.address;
imap = {
host = "outlook.office365.com";
port = 993;
tls.enable = true;
};
smtp = {
host = "smtp.office365.com";
port = 587;
tls = {
enable = true;
useStartTls = true;
};
};
})
(mkIf (config.flavor == "fastmail.com") {
userName = mkDefault config.address;
imap = {
host = "imap.fastmail.com";
port = 993;
};
smtp = {
host = "smtp.fastmail.com";
port = if config.smtp.tls.useStartTls then 587 else 465;
};
jmap = {
host = "fastmail.com";
sessionUrl = "https://jmap.fastmail.com/.well-known/jmap";
};
})
(mkIf (config.flavor == "gmail.com") {
userName = mkDefault config.address;
imap = {
host = "imap.gmail.com";
port = 993;
};
smtp = {
host = "smtp.gmail.com";
port = if config.smtp.tls.useStartTls then 587 else 465;
};
})
(mkIf (config.flavor == "runbox.com") {
imap = { host = "mail.runbox.com"; };
smtp = { host = "mail.runbox.com"; };
})
];
};
in {
options.accounts.email = {
certificatesFile = mkOption {
type = types.nullOr types.path;
default = "/etc/ssl/certs/ca-certificates.crt";
description = ''
Path to default file containing certificate authorities that
should be used to validate the connection authenticity. This
path may be overridden on a per-account basis.
'';
};
maildirBasePath = mkOption {
type = types.str;
default = "${config.home.homeDirectory}/Maildir";
defaultText = "$HOME/Maildir";
apply = p:
if hasPrefix "/" p then p else "${config.home.homeDirectory}/${p}";
description = ''
The base directory for account maildir directories. May be a
relative path, in which case it is relative the home
directory.
'';
};
accounts = mkOption {
type = types.attrsOf (types.submodule mailAccountOpts);
default = { };
description = "List of email accounts.";
};
};
config = mkIf (cfg.accounts != { }) {
assertions = [
(let
primaries =
catAttrs "name" (filter (a: a.primary) (attrValues cfg.accounts));
in {
assertion = length primaries == 1;
message = "Must have exactly one primary mail account but found "
+ toString (length primaries) + optionalString (length primaries > 1)
(", namely " + concatStringsSep ", " primaries);
})
];
};
}