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