Matthias Beyer
1d89844613
With this patch we move the codebase to Rust-2018.
The diff was generated by executing
cargo fix --all --all-features --edition
on the codebase.
Signed-off-by: Matthias Beyer <mail@beyermatthias.de>
55 lines
1.9 KiB
Rust
55 lines
1.9 KiB
Rust
//
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// imag - the personal information management suite for the commandline
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// Copyright (C) 2015-2019 Matthias Beyer <mail@beyermatthias.de> and contributors
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; version
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// 2.1 of the License.
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//
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// This library 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 GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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//
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use std::path::Path;
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use failure::Fallible as Result;
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use libimagentryref::hasher::Hasher;
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use libimagerror::errors::ErrorMsg;
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use libimagentryref::hasher::sha1::Sha1Hasher;
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pub struct MailHasher;
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impl Hasher for MailHasher {
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const NAME: &'static str = "MailHasher";
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/// hash the file at path `path`
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///
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/// We create a sha1 over the path of the file (which is NOT safe, because mails can move) and
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/// the Message-ID of the mail itself.
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///
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/// # TODO: Fix
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///
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/// The file name is not constant with mail files, because flags are encoded in the filename.
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/// The path is not constant with mail files, because they can be moved between boxes.
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fn hash<P: AsRef<Path>>(path: P) -> Result<String> {
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let mut path_str = path
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.as_ref()
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.to_str()
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.map(String::from)
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.ok_or_else(|| ErrorMsg::UTF8Error)?;
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let message_id = crate::util::get_message_id_for_mailfile(path)?;
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path_str.push_str(&message_id);
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Ok(Sha1Hasher::sha1_hash(&path_str))
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}
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}
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