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98 lines
3.4 KiB
Rust
98 lines
3.4 KiB
Rust
/*
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* Copyright (c) 2020-2023, Stalwart Labs Ltd.
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*
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* This file is part of the Stalwart Sieve Interpreter.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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* in the LICENSE file at the top-level directory of this distribution.
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* You can be released from the requirements of the AGPLv3 license by
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* purchasing a commercial license. Please contact licensing@stalw.art
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* for more details.
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*/
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use mail_parser::HeaderName;
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use serde::{Deserialize, Serialize};
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use crate::sieve::compiler::{
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grammar::{instruction::CompilerState, Capability},
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lexer::{word::Word, Token},
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CompileError, ErrorType, Value,
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};
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use crate::sieve::compiler::grammar::test::Test;
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#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
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pub(crate) struct TestExists {
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pub header_names: Vec<Value>,
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pub mime_anychild: bool,
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pub is_not: bool,
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}
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impl<'x> CompilerState<'x> {
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pub(crate) fn parse_test_exists(&mut self) -> Result<Test, CompileError> {
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let mut header_names = None;
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let mut mime = false;
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let mut mime_anychild = false;
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while header_names.is_none() {
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let token_info = self.tokens.unwrap_next()?;
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match token_info.token {
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Token::Tag(Word::Mime) => {
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self.validate_argument(
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1,
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Capability::Mime.into(),
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token_info.line_num,
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token_info.line_pos,
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)?;
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mime = true;
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}
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Token::Tag(Word::AnyChild) => {
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self.validate_argument(
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2,
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Capability::Mime.into(),
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token_info.line_num,
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token_info.line_pos,
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)?;
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mime_anychild = true;
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}
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_ => {
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let headers = self.parse_strings_token(token_info)?;
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for header in &headers {
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if let Value::Text(header_name) = &header {
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if HeaderName::parse(header_name).is_none() {
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return Err(self
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.tokens
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.unwrap_next()?
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.custom(ErrorType::InvalidHeaderName));
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}
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}
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}
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header_names = headers.into();
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}
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}
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}
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if !mime && mime_anychild {
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return Err(self.tokens.unwrap_next()?.missing_tag(":mime"));
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}
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Ok(Test::Exists(TestExists {
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header_names: header_names.unwrap(),
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mime_anychild,
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is_not: false,
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}))
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}
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}
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