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-rw-r--r--src/imap/imf_view.rs7
-rw-r--r--src/imap/mail_view.rs50
-rw-r--r--src/imap/mime_view.rs29
-rw-r--r--src/imap/search.rs20
4 files changed, 77 insertions, 29 deletions
diff --git a/src/imap/imf_view.rs b/src/imap/imf_view.rs
index 8b52b9e..b56e27d 100644
--- a/src/imap/imf_view.rs
+++ b/src/imap/imf_view.rs
@@ -1,3 +1,6 @@
+use anyhow::{anyhow, Result};
+use chrono::naive::NaiveDate;
+
use imap_codec::imap_types::core::{IString, NString};
use imap_codec::imap_types::envelope::{Address, Envelope};
@@ -6,6 +9,10 @@ use eml_codec::imf;
pub struct ImfView<'a>(pub &'a imf::Imf<'a>);
impl<'a> ImfView<'a> {
+ pub fn naive_date(&self) -> Result<NaiveDate> {
+ Ok(self.0.date.ok_or(anyhow!("date is not set"))?.date_naive())
+ }
+
/// Envelope rules are defined in RFC 3501, section 7.4.2
/// https://datatracker.ietf.org/doc/html/rfc3501#section-7.4.2
///
diff --git a/src/imap/mail_view.rs b/src/imap/mail_view.rs
index 3fef145..365e535 100644
--- a/src/imap/mail_view.rs
+++ b/src/imap/mail_view.rs
@@ -40,12 +40,12 @@ impl<'a> MailView<'a> {
QueryResult::FullResult { content, .. } => {
let (_, parsed) =
eml_codec::parse_message(&content).or(Err(anyhow!("Invalid mail body")))?;
- FetchedMail::new_from_message(parsed)
+ FetchedMail::full_from_message(parsed)
}
QueryResult::PartialResult { metadata, .. } => {
- let (_, parsed) = eml_codec::parse_imf(&metadata.headers)
+ let (_, parsed) = eml_codec::parse_message(&metadata.headers)
.or(Err(anyhow!("unable to parse email headers")))?;
- FetchedMail::Partial(parsed)
+ FetchedMail::partial_from_message(parsed)
}
QueryResult::IndexResult { .. } => FetchedMail::IndexOnly,
},
@@ -53,7 +53,11 @@ impl<'a> MailView<'a> {
}
pub fn imf(&self) -> Option<ImfView> {
- self.content.imf().map(ImfView)
+ self.content.as_imf().map(ImfView)
+ }
+
+ pub fn selected_mime(&'a self) -> Option<mime_view::SelectedMime<'a>> {
+ self.content.as_anypart().ok().map(mime_view::SelectedMime)
}
pub fn filter(&self, ap: &AttributesProxy) -> Result<(Body<'static>, SeenFlag)> {
@@ -103,6 +107,20 @@ impl<'a> MailView<'a> {
Ok(msg_date.date_naive())
}
+ pub fn is_header_contains_pattern(&self, hdr: &[u8], pattern: &[u8]) -> bool {
+ let mime = match self.selected_mime() {
+ None => return false,
+ Some(x) => x,
+ };
+
+ let val = match mime.header_value(hdr) {
+ None => return false,
+ Some(x) => x,
+ };
+
+ val.windows(pattern.len()).any(|win| win == pattern)
+ }
+
// Private function, mainly for filter!
fn uid(&self) -> MessageDataItem<'static> {
MessageDataItem::Uid(self.in_idx.uid.clone())
@@ -139,12 +157,12 @@ impl<'a> MailView<'a> {
}
fn rfc_822_text(&self) -> Result<MessageDataItem<'static>> {
- let txt: NString = self.content.as_full()?.raw_body.to_vec().try_into()?;
+ let txt: NString = self.content.as_msg()?.raw_body.to_vec().try_into()?;
Ok(MessageDataItem::Rfc822Text(txt))
}
fn rfc822(&self) -> Result<MessageDataItem<'static>> {
- let full: NString = self.content.as_full()?.raw_part.to_vec().try_into()?;
+ let full: NString = self.content.as_msg()?.raw_part.to_vec().try_into()?;
Ok(MessageDataItem::Rfc822(full))
}
@@ -154,13 +172,13 @@ impl<'a> MailView<'a> {
fn body(&self) -> Result<MessageDataItem<'static>> {
Ok(MessageDataItem::Body(mime_view::bodystructure(
- self.content.as_full()?.child.as_ref(),
+ self.content.as_msg()?.child.as_ref(),
)?))
}
fn body_structure(&self) -> Result<MessageDataItem<'static>> {
Ok(MessageDataItem::Body(mime_view::bodystructure(
- self.content.as_full()?.child.as_ref(),
+ self.content.as_msg()?.child.as_ref(),
)?))
}
@@ -231,32 +249,38 @@ pub enum SeenFlag {
pub enum FetchedMail<'a> {
IndexOnly,
- Partial(imf::Imf<'a>),
+ Partial(AnyPart<'a>),
Full(AnyPart<'a>),
}
impl<'a> FetchedMail<'a> {
- pub fn new_from_message(msg: Message<'a>) -> Self {
+ pub fn full_from_message(msg: Message<'a>) -> Self {
Self::Full(AnyPart::Msg(msg))
}
+ pub fn partial_from_message(msg: Message<'a>) -> Self {
+ Self::Partial(AnyPart::Msg(msg))
+ }
+
fn as_anypart(&self) -> Result<&AnyPart<'a>> {
match self {
FetchedMail::Full(x) => Ok(&x),
+ FetchedMail::Partial(x) => Ok(&x),
_ => bail!("The full message must be fetched, not only its headers"),
}
}
- fn as_full(&self) -> Result<&Message<'a>> {
+ fn as_msg(&self) -> Result<&Message<'a>> {
match self {
FetchedMail::Full(AnyPart::Msg(x)) => Ok(&x),
+ FetchedMail::Partial(AnyPart::Msg(x)) => Ok(&x),
_ => bail!("The full message must be fetched, not only its headers AND it must be an AnyPart::Msg."),
}
}
- fn imf(&self) -> Option<&imf::Imf<'a>> {
+ fn as_imf(&self) -> Option<&imf::Imf<'a>> {
match self {
FetchedMail::Full(AnyPart::Msg(x)) => Some(&x.imf),
- FetchedMail::Partial(x) => Some(&x),
+ FetchedMail::Partial(AnyPart::Msg(x)) => Some(&x.imf),
_ => None,
}
}
diff --git a/src/imap/mime_view.rs b/src/imap/mime_view.rs
index 5175c76..cf6c751 100644
--- a/src/imap/mime_view.rs
+++ b/src/imap/mime_view.rs
@@ -164,8 +164,23 @@ impl<'a> SubsettedSection<'a> {
/// Used for current MIME inspection
///
/// See NodeMime for recursive logic
-struct SelectedMime<'a>(&'a AnyPart<'a>);
+pub struct SelectedMime<'a>(pub &'a AnyPart<'a>);
impl<'a> SelectedMime<'a> {
+ pub fn header_value(&'a self, to_match_ext: &[u8]) -> Option<&'a [u8]> {
+ let to_match = to_match_ext.to_ascii_lowercase();
+
+ self.eml_mime()
+ .kv
+ .iter()
+ .filter_map(|field| match field {
+ header::Field::Good(header::Kv2(k, v)) => Some((k, v)),
+ _ => None,
+ })
+ .find(|(k, _)| k.to_ascii_lowercase() == to_match)
+ .map(|(_, v)| v)
+ .copied()
+ }
+
/// The subsetted fetch section basically tells us the
/// extraction logic to apply on our selected MIME.
/// This function acts as a router for these logic.
@@ -200,6 +215,13 @@ impl<'a> SelectedMime<'a> {
Ok(ExtractedFull(bytes.to_vec().into()))
}
+ fn eml_mime(&self) -> &eml_codec::mime::NaiveMIME<'_> {
+ match &self.0 {
+ AnyPart::Msg(msg) => msg.child.mime(),
+ other => other.mime(),
+ }
+ }
+
/// The [...] HEADER.FIELDS, and HEADER.FIELDS.NOT part
/// specifiers refer to the [RFC-2822] header of the message or of
/// an encapsulated [MIME-IMT] MESSAGE/RFC822 message.
@@ -231,10 +253,7 @@ impl<'a> SelectedMime<'a> {
.collect::<HashSet<_>>();
// Extract MIME headers
- let mime = match &self.0 {
- AnyPart::Msg(msg) => msg.child.mime(),
- other => other.mime(),
- };
+ let mime = self.eml_mime();
// Filter our MIME headers based on the field index
// 1. Keep only the correctly formatted headers
diff --git a/src/imap/search.rs b/src/imap/search.rs
index 0e00025..2fbfdcc 100644
--- a/src/imap/search.rs
+++ b/src/imap/search.rs
@@ -220,19 +220,17 @@ impl<'a> Criteria<'a> {
Smaller(size_ref) => mail_view.query_result.metadata().expect("metadata were fetched").rfc822_size < *size_ref as usize,
// Filter on well-known headers
- Bcc(_) => unimplemented!(),
- Cc(_) => unimplemented!(),
- From(_) => unimplemented!(),
- Subject(_)=> unimplemented!(),
- To(_) => unimplemented!(),
-
- // Filter on arbitrary header
- Header(..) => unimplemented!(),
+ Bcc(txt) => mail_view.is_header_contains_pattern(&b"bcc"[..], txt.as_ref()),
+ Cc(txt) => mail_view.is_header_contains_pattern(&b"cc"[..], txt.as_ref()),
+ From(txt) => mail_view.is_header_contains_pattern(&b"from"[..], txt.as_ref()),
+ Subject(txt)=> mail_view.is_header_contains_pattern(&b"subject"[..], txt.as_ref()),
+ To(txt) => mail_view.is_header_contains_pattern(&b"to"[..], txt.as_ref()),
+ Header(hdr, txt) => mail_view.is_header_contains_pattern(hdr.as_ref(), txt.as_ref()),
// Filter on Date header
- SentBefore(_) => unimplemented!(),
- SentOn(_) => unimplemented!(),
- SentSince(_) => unimplemented!(),
+ SentBefore(search_naive) => mail_view.imf().map(|imf| imf.naive_date().ok()).flatten().map(|msg_naive| &msg_naive < search_naive.as_ref()).unwrap_or(false),
+ SentOn(search_naive) => mail_view.imf().map(|imf| imf.naive_date().ok()).flatten().map(|msg_naive| &msg_naive == search_naive.as_ref()).unwrap_or(false),
+ SentSince(search_naive) => mail_view.imf().map(|imf| imf.naive_date().ok()).flatten().map(|msg_naive| &msg_naive > search_naive.as_ref()).unwrap_or(false),
// Filter on the full content of the email
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-23 17:34:37 +0000