Wrote message parser

src/connection/verifier.rs

@@ -1,6 +1,5 @@
+use crate::mailuser::Mailuser;
 use rustls::server::ClientCertVerifier;
-
-use crate::{mailuser::Mailuser, prelude::CertificateStore};
 use std::sync::Mutex;
 
 #[derive(Debug)]

src/gemtext/mod.rs

@@ -0,0 +1,2 @@
+pub mod parser;
+pub use parser::{GemtextNode, Parser};

src/gemtext/parser.rs

@@ -0,0 +1,244 @@
+use crate::prelude::{Link, Mailbox, Recipients};
+use std::fmt;
+
+#[derive(Debug)]
+pub struct PreBlk<'a> {
+    alt: Option<&'a str>,
+    lines: Vec<&'a str>,
+}
+
+#[derive(Debug)]
+enum State<'a> {
+    Normal,
+    Preformatted(PreBlk<'a>),
+    Quote(Vec<&'a str>),
+}
+
+#[derive(Clone, Debug, PartialEq)]
+pub enum GemtextNode {
+    Sender(Mailbox),
+    Recipients(Recipients),
+    Timestamp(String),
+    Text(String),
+    Heading1(String),
+    Heading2(String),
+    Heading3(String),
+    ListItem(String),
+    Quote(String),
+    Preformatted(Option<String>, String),
+    Link(Link),
+}
+
+impl fmt::Display for GemtextNode {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            Self::Recipients(r) => writeln!(f, "{r}"),
+            Self::Sender(m) => writeln!(f, "{m}"),
+            Self::Timestamp(t) => writeln!(f, "@ {t}"),
+            Self::Text(t) => writeln!(f, "{t}"),
+            Self::Heading1(h) => writeln!(f, "# {h}"),
+            Self::Heading2(h) => writeln!(f, "## {h}"),
+            Self::Heading3(h) => writeln!(f, "### {h}"),
+            Self::ListItem(l) => writeln!(f, "* {l}"),
+            Self::Quote(q) => writeln!(f, "> {q}"),
+            Self::Preformatted(a, p) => match a {
+                None => writeln!(f, "```\n{}\n```", p),
+                Some(alt) => writeln!(f, "```{alt}\n{}\n```", p),
+            },
+            Self::Link(l) => writeln!(f, "=> {l}"),
+        }
+    }
+}
+
+impl<'a> GemtextNode {
+    fn parse_link(text: &'a str) -> Self {
+        if let Ok(link) = text.parse() {
+            Self::Link(link)
+        } else {
+            Self::Text(text.to_string())
+        }
+    }
+
+    fn parse_heading(text: &'a str) -> Self {
+        if let Some((h, s)) = text.split_once(char::is_whitespace) {
+            match h {
+                "#" => Self::Heading1(s.to_string()),
+                "##" => Self::Heading2(s.to_string()),
+                "###" => Self::Heading3(s.to_string()),
+                _ => Self::Text(text.to_string()),
+            }
+        } else {
+            Self::Text(text.to_string())
+        }
+    }
+
+    fn parse_list_item(text: &'a str) -> Self {
+        match text.split_once(char::is_whitespace) {
+            Some((pre, s)) if pre == "*" => GemtextNode::ListItem(s.to_string()),
+            _ => GemtextNode::Text(text.to_string()),
+        }
+    }
+
+    fn parse_senders(text: &'a str) -> Self {
+        let Some(line) = text.strip_prefix('<') else {
+            return Self::Text(text.to_string());
+        };
+        if let Ok(user) = line.parse() {
+            Self::Sender(user)
+        } else {
+            Self::Text(text.to_string())
+        }
+    }
+
+    fn parse_recipients(text: &'a str) -> Self {
+        let Some(line) = text.strip_prefix(':') else {
+            return Self::Text(text.to_string());
+        };
+        let split = line.split_whitespace();
+        let mut recipients: Recipients = Recipients { boxes: vec![] };
+        for s in split {
+            if let Ok(m) = s.parse() {
+                recipients.boxes.push(m);
+            } else {
+                return Self::Text(text.to_string());
+            }
+        }
+        Self::Recipients(recipients)
+    }
+
+    fn parse_timestamp(text: &'a str) -> Self {
+        todo!()
+    }
+}
+
+#[derive(Debug)]
+pub struct Parser<'a> {
+    state: State<'a>,
+    title: Option<String>,
+    lines: Vec<GemtextNode>,
+}
+
+impl<'a> Parser<'a> {
+    pub fn new() -> Self {
+        Self {
+            state: State::Normal,
+            title: None,
+            lines: vec![],
+        }
+    }
+
+    pub fn parse(mut self, raw: &'a str) -> Vec<GemtextNode> {
+        for line in raw.lines() {
+            match self.state {
+                State::Normal => self.parse_normal(line),
+                State::Preformatted(_) => self.parse_preformatted(line),
+                State::Quote(_) => self.parse_quote(line),
+            }
+        }
+        self.lines
+    }
+
+    fn link(&mut self, line: &'a str) {
+        self.lines.push(GemtextNode::parse_link(line));
+    }
+
+    fn heading(&mut self, line: &'a str) {
+        let line = GemtextNode::parse_heading(line);
+        if self.title.is_none() {
+            match &line {
+                GemtextNode::Heading1(t) => self.title = Some(t.clone()),
+                _ => {}
+            }
+        }
+        self.lines.push(line);
+    }
+
+    fn list_item(&mut self, line: &'a str) {
+        self.lines.push(GemtextNode::parse_list_item(line));
+    }
+
+    fn enter_quote(&mut self, line: &'a str) {
+        match line.split_once(char::is_whitespace) {
+            Some((prefix, suffix)) if prefix == ">" => self.state = State::Quote(vec![suffix]),
+            _ => self.lines.push(GemtextNode::Text(line.to_string())),
+        }
+    }
+
+    fn leave_quote(&mut self, line: &'a str) {
+        match &mut self.state {
+            State::Quote(q) => {
+                let quote = q.join("\n").to_string();
+                self.lines.push(GemtextNode::Quote(quote));
+            }
+            _ => panic!("Attempt to parse as quote when not in quote mode"),
+        }
+        self.state = State::Normal;
+        self.lines.push(GemtextNode::Text(line.to_string()));
+    }
+
+    fn enter_preformatted(&mut self, line: &'a str) {
+        let alt = if line.len() > 3 {
+            Some(line[3..].trim())
+        } else {
+            None
+        };
+        let preblk = PreBlk { alt, lines: vec![] };
+        self.state = State::Preformatted(preblk);
+    }
+
+    fn leave_preformatted(&mut self) {
+        match &self.state {
+            State::Preformatted(v) => {
+                let s = v.lines.join("\n").to_string();
+                self.lines
+                    .push(GemtextNode::Preformatted(v.alt.map(str::to_string), s));
+                self.state = State::Normal;
+            }
+            _ => panic!("Attempted to leave preformatted mode when not in preformatted mode"),
+        }
+    }
+
+    fn senders(&mut self, line: &'a str) {
+        self.lines.push(GemtextNode::parse_senders(line));
+    }
+
+    fn recipients(&mut self, line: &'a str) {
+        self.lines.push(GemtextNode::parse_recipients(line));
+    }
+
+    fn parse_normal(&mut self, line: &'a str) {
+        match line {
+            s if s.starts_with("=>") => self.link(s),
+            s if s.starts_with('#') => self.heading(s),
+            s if s.starts_with('*') => self.list_item(s),
+            s if s.starts_with('>') => self.enter_quote(s),
+            s if s.starts_with("```") => self.enter_preformatted(s),
+            s if s.starts_with('<') => self.senders(s),
+            s if s.starts_with(':') => self.recipients(s),
+            s if s.starts_with('@') => {}
+            s => self.lines.push(GemtextNode::Text(s.to_string())),
+        }
+    }
+
+    fn parse_preformatted(&mut self, line: &'a str) {
+        if line.starts_with("```") {
+            self.leave_preformatted();
+        } else {
+            match &mut self.state {
+                State::Preformatted(p) => p.lines.push(line),
+                _ => panic!("Attempt to parse as preformatted when not in preformatted mode"),
+            }
+        }
+    }
+
+    fn parse_quote(&mut self, line: &'a str) {
+        if let Some(suffix) = line.strip_prefix('>') {
+            match &mut self.state {
+                State::Quote(q) => q.push(suffix.trim()),
+                _ => panic!("Attempt to parse as quote when not in quote mode"),
+            }
+        } else {
+            self.leave_quote(line);
+        }
+    }
+}

src/lib.rs

@@ -2,6 +2,7 @@
 pub mod certificate;
 pub mod connection;
 pub mod fingerprint;
+pub mod gemtext;
 pub mod host;
 pub mod mailbox;
 pub mod mailstore;

src/mailstore/filesystem.rs

@@ -1,3 +1,5 @@
+use crate::message::Parser as MessageParser;
+
 use super::*;
 use std::{
     fs::{self, File},
@@ -64,10 +66,13 @@ impl MailStore for Filesystem {
         };
         dir.filter_map(Result::ok).for_each(|e| {
             if let Ok(contents) = fs::read_to_string(e.path()) {
-                if let Ok(message) = contents.parse::<Message>() {
+                if let Some(p) = e.path().to_str() {
+                    let parser = MessageParser::new(p);
+                    if let Ok(message) = parser.parse(&contents) {
                         folder.messages.insert(message.id.clone(), message);
                     }
                 }
+            }
         });
         Some(folder)
     }

src/message/error.rs

@@ -1,4 +1,7 @@
-use {crate::prelude::{ParseHostError, ParseMailboxError}, std::fmt};
+use {
+    crate::prelude::{ParseHostError, ParseMailboxError},
+    std::fmt,
+};
 
 #[derive(Debug, PartialEq)]
 /// Errors which can occur when parsing a request
@@ -7,6 +10,7 @@ pub enum Error {
     EmptyUser,
     EmptyHost,
     EmptyMessage,
+    EmptySender,
     ParseHostError(ParseHostError),
     ParseMailboxError(ParseMailboxError),
     MalformedLink,
@@ -25,6 +29,7 @@ impl std::error::Error for Error {
     fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
         match self {
             Self::ParseHostError(e) => Some(e),
+            Self::ParseMailboxError(e) => Some(e),
             _ => None,
         }
     }

src/message/mod.rs

@@ -7,13 +7,9 @@ use serde::{Deserialize, Serialize};
 mod error;
 mod link;
 mod parser;
-pub use {
+pub use {error::Error, link::Link, parser::Parser};
-    error::Error,
-    link::Link,
-    parser::{GemtextNode, Parser},
-};
 
-#[derive(Clone, Debug, PartialEq)]
+#[derive(Clone, Debug, Default, PartialEq)]
 pub struct Recipients {
     pub boxes: Vec<Mailbox>,
 }
@@ -55,6 +51,7 @@ pub struct Message {
 
 impl fmt::Display for Message {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        writeln!(f, "< {}", self.from)?;
         if !self.senders.is_empty() {
             write!(f, "< ")?;
             self.senders.iter().try_for_each(|s| writeln!(f, "{s}"))?;
@@ -64,15 +61,10 @@ impl fmt::Display for Message {
             self.recipients.iter().try_for_each(|r| write!(f, " {r}"))?;
             writeln!(f)?;
         }
-        write!(f, "{}\r\n", self.body)
+        if let Some(ref t) = self.timstamp {
+            writeln!(f, "@ {t}")?;
         }
-}
+        write!(f, "{}\r\n", self.body)
-
-impl FromStr for Message {
-    type Err = String;
-
-    fn from_str(s: &str) -> Result<Self, Self::Err> {
-        todo!()
     }
 }
 

src/message/parser.rs

@@ -1,244 +1,85 @@
-use super::{Link, Recipients};
+use {
-use crate::prelude::Mailbox;
+    super::{Message, Recipients},
-use std::fmt;
+    crate::prelude::Mailbox,
+};
 
-#[derive(Debug)]
+#[derive(Debug, Default)]
-pub struct PreBlk<'a> {
+pub struct Parser {
-    alt: Option<&'a str>,
+    id: String,
-    lines: Vec<&'a str>,
+    from: Option<Mailbox>,
-}
+    senders: Vec<Mailbox>,
-
+    recipients: Recipients,
-#[derive(Debug)]
+    timestamp: Option<String>,
-enum State<'a> {
-    Normal,
-    Preformatted(PreBlk<'a>),
-    Quote(Vec<&'a str>),
-}
-
-#[derive(Clone, Debug, PartialEq)]
-pub enum GemtextNode {
-    Sender(Mailbox),
-    Recipients(Recipients),
-    Timestamp(String),
-    Text(String),
-    Heading1(String),
-    Heading2(String),
-    Heading3(String),
-    ListItem(String),
-    Quote(String),
-    Preformatted(Option<String>, String),
-    Link(Link),
-}
-
-impl fmt::Display for GemtextNode {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        match self {
-            Self::Recipients(r) => writeln!(f, "{r}"),
-            Self::Sender(m) => writeln!(f, "{m}"),
-            Self::Timestamp(t) => writeln!(f, "@ {t}"),
-            Self::Text(t) => writeln!(f, "{t}"),
-            Self::Heading1(h) => writeln!(f, "# {h}"),
-            Self::Heading2(h) => writeln!(f, "## {h}"),
-            Self::Heading3(h) => writeln!(f, "### {h}"),
-            Self::ListItem(l) => writeln!(f, "* {l}"),
-            Self::Quote(q) => writeln!(f, "> {q}"),
-            Self::Preformatted(a, p) => match a {
-                None => writeln!(f, "```\n{}\n```", p),
-                Some(alt) => writeln!(f, "```{alt}\n{}\n```", p),
-            },
-            Self::Link(l) => writeln!(f, "=> {l}"),
-        }
-    }
-}
-
-impl<'a> GemtextNode {
-    fn parse_link(text: &'a str) -> Self {
-        if let Ok(link) = text.parse() {
-            Self::Link(link)
-        } else {
-            Self::Text(text.to_string())
-        }
-    }
-
-    fn parse_heading(text: &'a str) -> Self {
-        if let Some((h, s)) = text.split_once(char::is_whitespace) {
-            match h {
-                "#" => Self::Heading1(s.to_string()),
-                "##" => Self::Heading2(s.to_string()),
-                "###" => Self::Heading3(s.to_string()),
-                _ => Self::Text(text.to_string()),
-            }
-        } else {
-            Self::Text(text.to_string())
-        }
-    }
-
-    fn parse_list_item(text: &'a str) -> Self {
-        match text.split_once(char::is_whitespace) {
-            Some((pre, s)) if pre == "*" => GemtextNode::ListItem(s.to_string()),
-            _ => GemtextNode::Text(text.to_string()),
-        }
-    }
-
-    fn parse_senders(text: &'a str) -> Self {
-        let Some(line) = text.strip_prefix('<') else {
-            return Self::Text(text.to_string());
-        };
-        if let Ok(user) = line.parse() {
-            Self::Sender(user)
-        } else {
-            Self::Text(text.to_string())
-        }
-    }
-
-    fn parse_recipients(text: &'a str) -> Self {
-        let Some(line) = text.strip_prefix(':') else {
-            return Self::Text(text.to_string());
-        };
-        let split = line.split_whitespace();
-        let mut recipients: Recipients = Recipients { boxes: vec![] };
-        for s in split {
-            if let Ok(m) = s.parse() {
-                recipients.boxes.push(m);
-            } else {
-                return Self::Text(text.to_string());
-            }
-        }
-        Self::Recipients(recipients)
-    }
-
-    fn parse_timestamp(text: &'a str) -> Self {
-        todo!()
-    }
-}
-
-#[derive(Debug)]
-pub struct Parser<'a> {
-    state: State<'a>,
     title: Option<String>,
-    lines: Vec<GemtextNode>,
+    body: String,
 }
 
-impl<'a> Parser<'a> {
+impl Parser {
-    pub fn new() -> Self {
+    pub fn new(id: &str) -> Self {
-        Self {
+        let mut p = Self::default();
-            state: State::Normal,
+        p.id = id.to_string();
-            title: None,
+        p
-            lines: vec![],
-        }
     }
 
-    pub fn parse(mut self, raw: &'a str) -> Vec<GemtextNode> {
+    pub fn parse(mut self, content: &str) -> Result<Message, super::Error> {
-        for line in raw.lines() {
+        let lines = content.lines();
-            match self.state {
+        for l in lines {
-                State::Normal => self.parse_normal(line),
+            match l {
-                State::Preformatted(_) => self.parse_preformatted(line),
+                s if s.starts_with("<") && self.from.is_none() && self.body.is_empty() => {
-                State::Quote(_) => self.parse_quote(line),
+                    let s = s.strip_prefix('<').unwrap().trim();
+                    let from: Mailbox = s.parse()?;
+                    self.from = Some(from);
+                }
+                s if s.starts_with("<") && self.body.is_empty() => {
+                    let sndr = s.strip_prefix('<').unwrap().trim();
+                    let from: Mailbox = sndr.parse()?;
+                    self.senders.push(from);
+                }
+                s if s.starts_with(":") && self.body.is_empty() => {
+                    self.recipients = s.parse()?;
+                }
+                s if s.starts_with("@") && self.timestamp.is_none() && self.body.is_empty() => {
+                    self.timestamp = Some(s.strip_prefix("@").unwrap().trim().to_string());
+                }
+                s if s.starts_with("###") && self.title.is_none() => {
+                    if let Some(t) = s.strip_prefix("###").map(|x| x.trim().to_string()) {
+                        self.title = Some(t);
+                    }
+                    self.body.push_str(s);
+                    self.body.push('\n');
+                }
+                s if s.starts_with("##") && self.title.is_none() => {
+                    if let Some(t) = s.strip_prefix("##").map(|x| x.trim().to_string()) {
+                        self.title = Some(t);
+                    }
+                    self.body.push_str(s);
+                    self.body.push('\n');
+                }
+                s if s.starts_with("#") && self.title.is_none() => {
+                    if let Some(t) = s.strip_prefix("#").map(|x| x.trim().to_string()) {
+                        self.title = Some(t);
+                    }
+                    self.body.push_str(s);
+                    self.body.push('\n');
+                }
+                s => {
+                    self.body.push_str(s);
+                    self.body.push('\n');
                 }
             }
-        self.lines
         }
-
+        if self.from.is_none() {
-    fn link(&mut self, line: &'a str) {
+            Err(super::Error::EmptySender)
-        self.lines.push(GemtextNode::parse_link(line));
-    }
-
-    fn heading(&mut self, line: &'a str) {
-        let line = GemtextNode::parse_heading(line);
-        if self.title.is_none() {
-            match &line {
-                GemtextNode::Heading1(t) => self.title = Some(t.clone()),
-                _ => {}
-            }
-        }
-        self.lines.push(line);
-    }
-
-    fn list_item(&mut self, line: &'a str) {
-        self.lines.push(GemtextNode::parse_list_item(line));
-    }
-
-    fn enter_quote(&mut self, line: &'a str) {
-        match line.split_once(char::is_whitespace) {
-            Some((prefix, suffix)) if prefix == ">" => self.state = State::Quote(vec![suffix]),
-            _ => self.lines.push(GemtextNode::Text(line.to_string())),
-        }
-    }
-
-    fn leave_quote(&mut self, line: &'a str) {
-        match &mut self.state {
-            State::Quote(q) => {
-                let quote = q.join("\n").to_string();
-                self.lines.push(GemtextNode::Quote(quote));
-            }
-            _ => panic!("Attempt to parse as quote when not in quote mode"),
-        }
-        self.state = State::Normal;
-        self.lines.push(GemtextNode::Text(line.to_string()));
-    }
-
-    fn enter_preformatted(&mut self, line: &'a str) {
-        let alt = if line.len() > 3 {
-            Some(line[3..].trim())
         } else {
-            None
+            Ok(Message {
-        };
+                id: self.id,
-        let preblk = PreBlk { alt, lines: vec![] };
+                from: self.from.unwrap(),
-        self.state = State::Preformatted(preblk);
+                senders: self.senders,
-    }
+                recipients: self.recipients.boxes,
-
+                timstamp: self.timestamp,
-    fn leave_preformatted(&mut self) {
+                title: self.title,
-        match &self.state {
+                body: self.body,
-            State::Preformatted(v) => {
+            })
-                let s = v.lines.join("\n").to_string();
-                self.lines.push(GemtextNode::Preformatted(v.alt.map(str::to_string), s));
-                self.state = State::Normal;
-            }
-            _ => panic!("Attempted to leave preformatted mode when not in preformatted mode"),
-        }
-    }
-
-    fn senders(&mut self, line: &'a str) {
-        self.lines.push(GemtextNode::parse_senders(line));
-    }
-
-    fn recipients(&mut self, line: &'a str) {
-        self.lines.push(GemtextNode::parse_recipients(line));
-    }
-
-    fn parse_normal(&mut self, line: &'a str) {
-        match line {
-            s if s.starts_with("=>") => self.link(s),
-            s if s.starts_with('#') => self.heading(s),
-            s if s.starts_with('*') => self.list_item(s),
-            s if s.starts_with('>') => self.enter_quote(s),
-            s if s.starts_with("```") => self.enter_preformatted(s),
-            s if s.starts_with('<') => self.senders(s),
-            s if s.starts_with(':') => self.recipients(s),
-            s if s.starts_with('@') => {},
-            s => self.lines.push(GemtextNode::Text(s.to_string())),
-        }
-    }
-
-    fn parse_preformatted(&mut self, line: &'a str) {
-        if line.starts_with("```") {
-            self.leave_preformatted();
-        } else {
-            match &mut self.state {
-                State::Preformatted(p) => p.lines.push(line),
-                _ => panic!("Attempt to parse as preformatted when not in preformatted mode"),
-            }
-        }
-    }
-
-    fn parse_quote(&mut self, line: &'a str) {
-        if let Some(suffix) = line.strip_prefix('>') {
-            match &mut self.state {
-                State::Quote(q) => q.push(suffix.trim()),
-                _ => panic!("Attempt to parse as quote when not in quote mode"),
-            }
-        } else {
-            self.leave_quote(line);
         }
     }
 }

src/prelude.rs

@@ -1,10 +1,11 @@
 pub use super::{
     certificate::{Certificate, CertificateStore, ClientCertificateStore},
     fingerprint::{Error as FingerprintError, Fingerprint, GetFingerprint},
+    gemtext::{GemtextNode, Parser},
     host::{Error as ParseHostError, Host},
     mailbox::{Error as ParseMailboxError, Mailbox},
     mailuser::Mailuser,
-    message::{Error as ParseMessageError, GemtextNode, Message, Recipients},
+    message::{Error as ParseMessageError, Link, Message, Recipients},
     //receiver,
     request::{Error as ParseRequestError, Request},
     response::{Error as ParseResponseError, Response},

src/sender/mod.rs

@@ -1,6 +1,6 @@
 use {
     crate::prelude::{CertificateStore, ClientCertificateStore, Mailuser, Request, Response},
-    rustls::{internal::msgs::codec::Codec, ClientConfig, ClientConnection, StreamOwned},
+    rustls::{ClientConfig, ClientConnection, StreamOwned},
     std::{
         io::{self, Read, Write},
         net::{TcpStream, ToSocketAddrs},

src/status/mod.rs

@@ -1,6 +1,4 @@
 mod error;
-use std::fmt;
-
 pub use error::Error;
 
 #[cfg(feature = "serde")]