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refactor: use Rust 1.77.0 support for recursion in async functions

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This commit is contained in:
link2xt
2024-03-22 02:27:28 +00:00
parent 5bda4f0c26
commit 2f0f247e70
5 changed files with 119 additions and 141 deletions
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12
.github/workflows/ci.yml vendored
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@@ -24,7 +24,7 @@ jobs:
name: Lint Rust
runs-on: ubuntu-latest
env:
RUSTUP_TOOLCHAIN: 1.77.0
RUSTUP_TOOLCHAIN: 1.77.1
steps:
- uses: actions/checkout@v4
with:
@@ -83,15 +83,15 @@ jobs:
matrix:
include:
- os: ubuntu-latest
rust: 1.77.0
rust: 1.77.1
- os: windows-latest
rust: 1.77.0
rust: 1.77.1
- os: macos-latest
rust: 1.77.0
rust: 1.77.1
# Minimum Supported Rust Version = 1.70.0
# Minimum Supported Rust Version = 1.77.0
- os: ubuntu-latest
rust: 1.70.0
rust: 1.77.0
runs-on: ${{ matrix.os }}
steps:
- uses: actions/checkout@v4

2
Cargo.toml
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@@ -3,7 +3,7 @@ name = "deltachat"
version = "1.137.1"
edition = "2021"
license = "MPL-2.0"
rust-version = "1.70"
rust-version = "1.77"
repository = "https://github.com/deltachat/deltachat-core-rust"
[profile.dev]

2
scripts/coredeps/install-rust.sh
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@@ -7,7 +7,7 @@ set -euo pipefail
#
# Avoid using rustup here as it depends on reading /proc/self/exe and
# has problems running under QEMU.
RUST_VERSION=1.77.0
RUST_VERSION=1.77.1
ARCH="$(uname -m)"
test -f "/lib/libc.musl-$ARCH.so.1" && LIBC=musl || LIBC=gnu

32
src/html.rs
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@@ -7,12 +7,8 @@
//! `MsgId.get_html()` will return HTML -
//! this allows nice quoting, handling linebreaks properly etc.
use std::future::Future;
use std::pin::Pin;
use anyhow::{Context as _, Result};
use base64::Engine as _;
use futures::future::FutureExt;
use lettre_email::mime::Mime;
use lettre_email::PartBuilder;
use mailparse::ParsedContentType;
@@ -116,16 +112,14 @@ impl HtmlMsgParser {
/// Usually, there is at most one plain-text and one HTML-text part,
/// multiple plain-text parts might be used for mailinglist-footers,
/// therefore we use the first one.
fn collect_texts_recursive<'a>(
async fn collect_texts_recursive<'a>(
&'a mut self,
mail: &'a mailparse::ParsedMail<'a>,
) -> Pin<Box<dyn Future<Output = Result<()>> + 'a + Send>> {
// Boxed future to deal with recursion
async move {
) -> Result<()> {
match get_mime_multipart_type(&mail.ctype) {
MimeMultipartType::Multiple => {
for cur_data in &mail.subparts {
self.collect_texts_recursive(cur_data).await?
Box::pin(self.collect_texts_recursive(cur_data)).await?
}
Ok(())
}
@@ -135,7 +129,7 @@ impl HtmlMsgParser {
return Ok(());
}
let mail = mailparse::parse_mail(&raw).context("failed to parse mail")?;
self.collect_texts_recursive(&mail).await
Box::pin(self.collect_texts_recursive(&mail)).await
}
MimeMultipartType::Single => {
let mimetype = mail.ctype.mimetype.parse::<Mime>()?;
@@ -166,22 +160,18 @@ impl HtmlMsgParser {
}
}
}
.boxed()
}
/// Replace cid:-protocol by the data:-protocol where appropriate.
/// This allows the final html-file to be self-contained.
fn cid_to_data_recursive<'a>(
async fn cid_to_data_recursive<'a>(
&'a mut self,
context: &'a Context,
mail: &'a mailparse::ParsedMail<'a>,
) -> Pin<Box<dyn Future<Output = Result<()>> + 'a + Send>> {
// Boxed future to deal with recursion
async move {
) -> Result<()> {
match get_mime_multipart_type(&mail.ctype) {
MimeMultipartType::Multiple => {
for cur_data in &mail.subparts {
self.cid_to_data_recursive(context, cur_data).await?;
Box::pin(self.cid_to_data_recursive(context, cur_data)).await?;
}
Ok(())
}
@@ -191,7 +181,7 @@ impl HtmlMsgParser {
return Ok(());
}
let mail = mailparse::parse_mail(&raw).context("failed to parse mail")?;
self.cid_to_data_recursive(context, &mail).await
Box::pin(self.cid_to_data_recursive(context, &mail)).await
}
MimeMultipartType::Single => {
let mimetype = mail.ctype.mimetype.parse::<Mime>()?;
@@ -215,9 +205,7 @@ impl HtmlMsgParser {
}
Err(e) => warn!(
context,
"Cannot create regex for cid: {} throws {}",
re_string,
e
"Cannot create regex for cid: {} throws {}", re_string, e
),
}
}
@@ -228,8 +216,6 @@ impl HtmlMsgParser {
}
}
}
.boxed()
}
}
/// Convert a mime part to a data: url as defined in [RFC 2397](https://tools.ietf.org/html/rfc2397).

16
src/mimeparser.rs
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@@ -2,9 +2,7 @@
use std::cmp::min;
use std::collections::{HashMap, HashSet};
use std::future::Future;
use std::path::Path;
use std::pin::Pin;
use std::str;
use anyhow::{bail, Context as _, Result};
@@ -818,16 +816,12 @@ impl MimeMessage {
self.headers.get(headerdef.get_headername())
}
fn parse_mime_recursive<'a>(
async fn parse_mime_recursive<'a>(
&'a mut self,
context: &'a Context,
mail: &'a mailparse::ParsedMail<'a>,
is_related: bool,
) -> Pin<Box<dyn Future<Output = Result<bool>> + 'a + Send>> {
use futures::future::FutureExt;
// Boxed future to deal with recursion
async move {
) -> Result<bool> {
enum MimeS {
Multiple,
Single,
@@ -854,7 +848,7 @@ impl MimeMessage {
let is_related = is_related || mimetype == "multipart/related";
match m {
MimeS::Multiple => self.handle_multiple(context, mail, is_related).await,
MimeS::Multiple => Box::pin(self.handle_multiple(context, mail, is_related)).await,
MimeS::Message => {
let raw = mail.get_body_raw()?;
if raw.is_empty() {
@@ -862,7 +856,7 @@ impl MimeMessage {
}
let mail = mailparse::parse_mail(&raw).context("failed to parse mail")?;
self.parse_mime_recursive(context, &mail, is_related).await
Box::pin(self.parse_mime_recursive(context, &mail, is_related)).await
}
MimeS::Single => {
self.add_single_part_if_known(context, mail, is_related)
@@ -870,8 +864,6 @@ impl MimeMessage {
}
}
}
.boxed()
}
async fn handle_multiple(
&mut self,