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/*
* Copyright (c) 2023 Stalwart Labs Ltd.
*
* This file is part of Stalwart Mail Server.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
* in the LICENSE file at the top-level directory of this distribution.
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* You can be released from the requirements of the AGPLv3 license by
* purchasing a commercial license. Please contact licensing@stalw.art
* for more details.
*/
mod array;
mod email;
mod header;
pub mod html;
mod image;
mod misc;
mod text;
mod unicode;
mod url;
use sieve::{runtime::Variable, FunctionMap};
use crate::config::scripts::SieveContext;
use self::{
array::*, email::*, header::*, html::*, image::*, misc::*, text::*, unicode::*, url::*,
};
pub fn register_functions() -> FunctionMap<SieveContext> {
FunctionMap::new()
.with_function("trim", fn_trim)
.with_function("trim_start", fn_trim_start)
.with_function("trim_end", fn_trim_end)
.with_function("len", fn_len)
.with_function("count", fn_count)
.with_function("is_empty", fn_is_empty)
.with_function("is_ascii", fn_is_ascii)
.with_function("to_lowercase", fn_to_lowercase)
.with_function("to_uppercase", fn_to_uppercase)
.with_function("detect_language", fn_detect_language)
.with_function("is_email", fn_is_email)
.with_function("thread_name", fn_thread_name)
.with_function("html_to_text", fn_html_to_text)
.with_function("is_uppercase", fn_is_uppercase)
.with_function("is_lowercase", fn_is_lowercase)
.with_function("has_digits", fn_has_digits)
.with_function("count_spaces", fn_count_spaces)
.with_function("count_uppercase", fn_count_uppercase)
.with_function("count_lowercase", fn_count_lowercase)
.with_function("count_chars", fn_count_chars)
.with_function("dedup", fn_dedup)
.with_function("lines", fn_lines)
.with_function("is_header_utf8_valid", fn_is_header_utf8_valid)
.with_function("img_metadata", fn_img_metadata)
.with_function("is_ip_addr", fn_is_ip_addr)
.with_function("is_ipv4_addr", fn_is_ipv4_addr)
.with_function("is_ipv6_addr", fn_is_ipv6_addr)
.with_function("ip_reverse_name", fn_ip_reverse_name)
.with_function("winnow", fn_winnow)
.with_function("has_zwsp", fn_has_zwsp)
.with_function("has_obscured", fn_has_obscured)
.with_function("is_single_script", fn_is_single_script)
.with_function("puny_decode", fn_puny_decode)
.with_function("unicode_skeleton", fn_unicode_skeleton)
.with_function("cure_text", fn_cure_text)
.with_function("detect_file_type", fn_detect_file_type)
.with_function_args("sort", fn_sort, 2)
.with_function_args("tokenize", fn_tokenize, 2)
.with_function_args("email_part", fn_email_part, 2)
.with_function_args("domain_part", fn_domain_part, 2)
.with_function_args("eq_ignore_case", fn_eq_ignore_case, 2)
.with_function_args("contains", fn_contains, 2)
.with_function_args("contains_ignore_case", fn_contains_ignore_case, 2)
.with_function_args("starts_with", fn_starts_with, 2)
.with_function_args("ends_with", fn_ends_with, 2)
.with_function_args("received_part", fn_received_part, 2)
.with_function_args("cosine_similarity", fn_cosine_similarity, 2)
.with_function_args("jaccard_similarity", fn_jaccard_similarity, 2)
.with_function_args("levenshtein_distance", fn_levenshtein_distance, 2)
.with_function_args("html_has_tag", fn_html_has_tag, 2)
.with_function_args("html_attr", fn_html_attr, 2)
.with_function_args("html_attrs", fn_html_attrs, 3)
.with_function_args("html_attr_size", fn_html_attr_size, 3)
.with_function_args("uri_part", fn_uri_part, 2)
.with_function_args("substring", fn_substring, 3)
.with_function_args("split", fn_split, 2)
.with_function_args("rsplit", fn_rsplit, 2)
.with_function_args("split_once", fn_split_once, 2)
.with_function_args("rsplit_once", fn_rsplit_once, 2)
.with_function_args("strip_prefix", fn_strip_prefix, 2)
.with_function_args("strip_suffix", fn_strip_suffix, 2)
.with_function_args("is_intersect", fn_is_intersect, 2)
.with_function_args("hash", fn_hash, 2)
.with_function_no_args("is_encoding_problem", fn_is_encoding_problem)
.with_function_no_args("is_attachment", fn_is_attachment)
.with_function_no_args("is_body", fn_is_body)
.with_function_no_args("var_names", fn_is_var_names)
.with_function_no_args("attachment_name", fn_attachment_name)
}
pub trait ApplyString<'x> {
fn transform(&self, f: impl Fn(&'_ str) -> Variable) -> Variable;
}
impl<'x> ApplyString<'x> for Variable {
fn transform(&self, f: impl Fn(&'_ str) -> Variable) -> Variable {
match self {
Variable::String(s) => f(s),
Variable::Array(list) => list
.iter()
.map(|v| match v {
Variable::String(s) => f(s),
v => f(v.to_string().as_ref()),
})
.collect::<Vec<_>>()
.into(),
v => f(v.to_string().as_ref()),
}
}
}
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