mirror of
https://github.com/rustmailer/bichon.git
synced 2026-08-31 01:52:30 +00:00
65 lines
2.1 KiB
Rust
65 lines
2.1 KiB
Rust
//
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// Copyright (c) 2025-2026 rustmailer.com (https://rustmailer.com)
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//
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// This file is part of the Bichon Email Archiving Project
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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 published by
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// the Free Software Foundation, either version 3 of the License, or
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// (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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//
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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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use compressed_rtf::*;
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use outlook_pst::ltp::prop_context::PropertyValue;
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pub fn decode_subject(value: &PropertyValue) -> Option<String> {
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match value {
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PropertyValue::String8(value) => {
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let offset = match value.buffer().first() {
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Some(1) => 2,
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_ => 0,
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};
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let buffer: Vec<_> = value
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.buffer()
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.iter()
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.skip(offset)
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.map(|&b| u16::from(b))
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.collect();
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Some(String::from_utf16_lossy(&buffer))
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}
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PropertyValue::Unicode(value) => {
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let offset = match value.buffer().first() {
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Some(1) => 2,
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_ => 0,
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};
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Some(String::from_utf16_lossy(&value.buffer()[offset..]))
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}
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_ => None,
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}
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}
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pub fn decode_html_body(buffer: &[u8], code_page: u16) -> Option<String> {
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match code_page {
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20127 => {
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let buffer: Vec<_> = buffer.iter().map(|&b| u16::from(b)).collect();
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Some(String::from_utf16_lossy(&buffer))
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}
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_ => {
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let coding = codepage_strings::Coding::new(code_page).ok()?;
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Some(coding.decode(buffer).ok()?.to_string())
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}
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}
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}
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pub fn decode_rtf_compressed(buffer: &[u8]) -> Option<String> {
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decompress_rtf(buffer).ok()
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}
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