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71 lines
2.5 KiB
Rust
71 lines
2.5 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 std::sync::Arc;
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use crate::sieve::{
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compiler::grammar::actions::action_include::{Include, Location},
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runtime::RuntimeError,
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Context, Event, Script, Sieve,
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};
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pub(crate) enum IncludeResult {
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Cached(Arc<Sieve>),
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Event(Event),
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Error(RuntimeError),
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None,
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}
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impl Include {
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pub(crate) fn exec(&self, ctx: &Context) -> IncludeResult {
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let script_name = ctx.eval_value(&self.value);
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if !script_name.is_empty() {
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let script_name = if self.location == Location::Global {
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Script::Global(script_name.into_string())
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} else {
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Script::Personal(script_name.into_string())
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};
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let cached_script = ctx.script_cache.get(&script_name);
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if !self.once || cached_script.is_none() {
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if ctx.script_stack.len() < ctx.runtime.max_nested_includes {
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if let Some(script) = cached_script
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.or_else(|| ctx.runtime.include_scripts.get(script_name.as_str()))
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{
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return IncludeResult::Cached(script.clone());
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} else {
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return IncludeResult::Event(Event::IncludeScript {
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name: script_name,
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optional: self.optional,
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});
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}
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} else {
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return IncludeResult::Error(RuntimeError::TooManyIncludes);
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}
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}
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}
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IncludeResult::None
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}
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}
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