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-rw-r--r--src/imap/command/anonymous.rs40
-rw-r--r--src/imap/command/anystate.rs49
-rw-r--r--src/imap/command/authenticated.rs36
-rw-r--r--src/imap/command/examined.rs132
-rw-r--r--src/imap/command/mod.rs17
-rw-r--r--src/imap/command/selected.rs143
6 files changed, 268 insertions, 149 deletions
diff --git a/src/imap/command/anonymous.rs b/src/imap/command/anonymous.rs
index 9bbb3b7..42e2a87 100644
--- a/src/imap/command/anonymous.rs
+++ b/src/imap/command/anonymous.rs
@@ -4,6 +4,7 @@ use imap_codec::imap_types::core::{AString, NonEmptyVec};
use imap_codec::imap_types::response::{Capability, Data};
use imap_codec::imap_types::secret::Secret;
+use crate::imap::command::anystate;
use crate::imap::flow;
use crate::imap::response::Response;
use crate::login::ArcLoginProvider;
@@ -18,26 +19,20 @@ pub struct AnonymousContext<'a> {
pub async fn dispatch(ctx: AnonymousContext<'_>) -> Result<(Response, flow::Transition)> {
match &ctx.req.body {
- CommandBody::Noop => Ok((
- Response::ok()
- .to_req(ctx.req)
- .message("Noop completed.")
- .build()?,
- flow::Transition::None,
- )),
- CommandBody::Capability => ctx.capability().await,
- CommandBody::Logout => ctx.logout().await,
+ // Any State
+ CommandBody::Noop => anystate::noop_nothing(ctx.req.tag.clone()),
+ CommandBody::Capability => anystate::capability(ctx.req.tag.clone()),
+ CommandBody::Logout => Ok((Response::bye()?, flow::Transition::Logout)),
+
+ // Specific to anonymous context (3 commands)
CommandBody::Login { username, password } => ctx.login(username, password).await,
- cmd => {
- tracing::warn!("Unknown command for the anonymous state {:?}", cmd);
- Ok((
- Response::bad()
- .to_req(ctx.req)
- .message("Command unavailable")
- .build()?,
- flow::Transition::None,
- ))
+ CommandBody::Authenticate { .. } => {
+ anystate::not_implemented(ctx.req.tag.clone(), "authenticate")
}
+ //StartTLS is not implemented for now, we will probably go full TLS.
+
+ // Collect other commands
+ _ => anystate::wrong_state(ctx.req.tag.clone()),
}
}
@@ -91,13 +86,4 @@ impl<'a> AnonymousContext<'a> {
flow::Transition::Authenticate(user),
))
}
-
- // C: 10 logout
- // S: * BYE Logging out
- // S: 10 OK Logout completed.
- async fn logout(self) -> Result<(Response, flow::Transition)> {
- // @FIXME we should implement From<Vec<Status>> and From<Vec<ImapStatus>> in
- // boitalettres/src/proto/res/body.rs
- Ok((Response::bye()?, flow::Transition::Logout))
- }
}
diff --git a/src/imap/command/anystate.rs b/src/imap/command/anystate.rs
new file mode 100644
index 0000000..2d10ad8
--- /dev/null
+++ b/src/imap/command/anystate.rs
@@ -0,0 +1,49 @@
+use anyhow::Result;
+use imap_codec::imap_types::core::{NonEmptyVec, Tag};
+use imap_codec::imap_types::response::{Capability, Data};
+
+use crate::imap::flow;
+use crate::imap::response::Response;
+
+pub(crate) fn capability(tag: Tag) -> Result<(Response, flow::Transition)> {
+ let capabilities: NonEmptyVec<Capability> =
+ (vec![Capability::Imap4Rev1, Capability::Idle]).try_into()?;
+ let res = Response::ok()
+ .tag(tag)
+ .message("Server capabilities")
+ .data(Data::Capability(capabilities))
+ .build()?;
+
+ Ok((res, flow::Transition::None))
+}
+
+pub(crate) fn noop_nothing(tag: Tag) -> Result<(Response, flow::Transition)> {
+ Ok((
+ Response::ok().tag(tag).message("Noop completed.").build()?,
+ flow::Transition::None,
+ ))
+}
+
+pub(crate) fn logout() -> Result<(Response, flow::Transition)> {
+ Ok((Response::bye()?, flow::Transition::Logout))
+}
+
+pub(crate) fn not_implemented(tag: Tag, what: &str) -> Result<(Response, flow::Transition)> {
+ Ok((
+ Response::bad()
+ .tag(tag)
+ .message(format!("Command not implemented {}", what))
+ .build()?,
+ flow::Transition::None,
+ ))
+}
+
+pub(crate) fn wrong_state(tag: Tag) -> Result<(Response, flow::Transition)> {
+ Ok((
+ Response::bad()
+ .tag(tag)
+ .message("Command not authorized in this state")
+ .build()?,
+ flow::Transition::None,
+ ))
+}
diff --git a/src/imap/command/authenticated.rs b/src/imap/command/authenticated.rs
index 073b005..ca4ad03 100644
--- a/src/imap/command/authenticated.rs
+++ b/src/imap/command/authenticated.rs
@@ -10,13 +10,14 @@ use imap_codec::imap_types::mailbox::{ListMailbox, Mailbox as MailboxCodec};
use imap_codec::imap_types::response::{Code, CodeOther, Data};
use imap_codec::imap_types::status::{StatusDataItem, StatusDataItemName};
+use crate::imap::command::{anystate, MailboxName};
use crate::imap::flow;
use crate::imap::mailbox_view::MailboxView;
use crate::imap::response::Response;
use crate::mail::mailbox::Mailbox;
use crate::mail::uidindex::*;
-use crate::mail::user::{User, INBOX, MAILBOX_HIERARCHY_DELIMITER as MBX_HIER_DELIM_RAW};
+use crate::mail::user::{User, MAILBOX_HIERARCHY_DELIMITER as MBX_HIER_DELIM_RAW};
use crate::mail::IMF;
static MAILBOX_HIERARCHY_DELIMITER: QuotedChar = QuotedChar::unvalidated(MBX_HIER_DELIM_RAW);
@@ -28,6 +29,12 @@ pub struct AuthenticatedContext<'a> {
pub async fn dispatch(ctx: AuthenticatedContext<'_>) -> Result<(Response, flow::Transition)> {
match &ctx.req.body {
+ // Any state
+ CommandBody::Noop => anystate::noop_nothing(ctx.req.tag.clone()),
+ CommandBody::Capability => anystate::capability(ctx.req.tag.clone()),
+ CommandBody::Logout => Ok((Response::bye()?, flow::Transition::Logout)),
+
+ // Specific to this state (11 commands)
CommandBody::Create { mailbox } => ctx.create(mailbox).await,
CommandBody::Delete { mailbox } => ctx.delete(mailbox).await,
CommandBody::Rename { from, to } => ctx.rename(from, to).await,
@@ -53,34 +60,13 @@ pub async fn dispatch(ctx: AuthenticatedContext<'_>) -> Result<(Response, flow::
date,
message,
} => ctx.append(mailbox, flags, date, message).await,
- cmd => {
- tracing::warn!("Unknown command for the authenticated state {:?}", cmd);
- Ok((
- Response::bad()
- .to_req(ctx.req)
- .message("Command unavailable")
- .build()?,
- flow::Transition::None,
- ))
- }
- }
-}
-
-// --- PRIVATE ---
-/// Convert an IMAP mailbox name/identifier representation
-/// to an utf-8 string that is used internally in Aerogramme
-struct MailboxName<'a>(&'a MailboxCodec<'a>);
-impl<'a> TryInto<&'a str> for MailboxName<'a> {
- type Error = std::str::Utf8Error;
- fn try_into(self) -> Result<&'a str, Self::Error> {
- match self.0 {
- MailboxCodec::Inbox => Ok(INBOX),
- MailboxCodec::Other(aname) => Ok(std::str::from_utf8(aname.as_ref())?),
- }
+ // Collect other commands
+ _ => anystate::wrong_state(ctx.req.tag.clone()),
}
}
+// --- PRIVATE ---
impl<'a> AuthenticatedContext<'a> {
async fn create(self, mailbox: &MailboxCodec<'a>) -> Result<(Response, flow::Transition)> {
let name = match mailbox {
diff --git a/src/imap/command/examined.rs b/src/imap/command/examined.rs
index 8037d1d..cab3fdd 100644
--- a/src/imap/command/examined.rs
+++ b/src/imap/command/examined.rs
@@ -1,89 +1,111 @@
use std::sync::Arc;
use anyhow::Result;
-use boitalettres::proto::Request;
-use boitalettres::proto::Response;
-use imap_codec::imap_types::command::{CommandBody, SearchKey};
-use imap_codec::imap_types::core::{Charset, NonZeroBytes};
-use imap_codec::imap_types::datetime::MyDateTime;
-use imap_codec::imap_types::fetch_attributes::MacroOrFetchAttributes;
-use imap_codec::imap_types::flag::Flag;
-use imap_codec::imap_types::mailbox::Mailbox as MailboxCodec;
-use imap_codec::imap_types::response::Code;
+use imap_codec::imap_types::command::{Command, CommandBody};
+use imap_codec::imap_types::core::Charset;
+use imap_codec::imap_types::fetch::MacroOrMessageDataItemNames;
+use imap_codec::imap_types::search::SearchKey;
use imap_codec::imap_types::sequence::SequenceSet;
-use crate::imap::command::authenticated;
+use crate::imap::command::anystate;
use crate::imap::flow;
use crate::imap::mailbox_view::MailboxView;
+use crate::imap::response::Response;
use crate::mail::user::User;
pub struct ExaminedContext<'a> {
- pub req: &'a Request,
+ pub req: &'a Command<'a>,
pub user: &'a Arc<User>,
pub mailbox: &'a mut MailboxView,
}
pub async fn dispatch(ctx: ExaminedContext<'_>) -> Result<(Response, flow::Transition)> {
- match &ctx.req.command.body {
- // CLOSE in examined state is not the same as in selected state
- // (in selected state it also does an EXPUNGE, here it doesn't)
+ match &ctx.req.body {
+ // Any State
+ // noop is specific to this state
+ CommandBody::Capability => anystate::capability(ctx.req.tag.clone()),
+ CommandBody::Logout => Ok((Response::bye()?, flow::Transition::Logout)),
+
+ // Specific to the EXAMINE state (specialization of the SELECTED state)
+ // ~3 commands -> close, fetch, search + NOOP
CommandBody::Close => ctx.close().await,
CommandBody::Fetch {
sequence_set,
- attributes,
+ macro_or_item_names,
uid,
- } => ctx.fetch(sequence_set, attributes, uid).await,
+ } => ctx.fetch(sequence_set, macro_or_item_names, uid).await,
CommandBody::Search {
charset,
criteria,
uid,
} => ctx.search(charset, criteria, uid).await,
- CommandBody::Noop => ctx.noop().await,
- CommandBody::Append {
- mailbox,
- flags,
- date,
- message,
- } => ctx.append(mailbox, flags, date, message).await,
- _ => {
- let ctx = authenticated::AuthenticatedContext {
- req: ctx.req,
- user: ctx.user,
- };
- authenticated::dispatch(ctx).await
- }
+ CommandBody::Noop | CommandBody::Check => ctx.noop().await,
+ CommandBody::Expunge { .. } | CommandBody::Store { .. } => Ok((
+ Response::bad()
+ .to_req(ctx.req)
+ .message("Forbidden command: can't write in read-only mode (EXAMINE)")
+ .build()?,
+ flow::Transition::None,
+ )),
+
+ // The command does not belong to this state
+ _ => anystate::wrong_state(ctx.req.tag.clone()),
}
}
// --- PRIVATE ---
impl<'a> ExaminedContext<'a> {
+ /// CLOSE in examined state is not the same as in selected state
+ /// (in selected state it also does an EXPUNGE, here it doesn't)
async fn close(self) -> Result<(Response, flow::Transition)> {
- Ok((Response::ok("CLOSE completed")?, flow::Transition::Unselect))
+ Ok((
+ Response::ok()
+ .to_req(self.req)
+ .message("CLOSE completed")
+ .build()?,
+ flow::Transition::Unselect,
+ ))
}
pub async fn fetch(
self,
sequence_set: &SequenceSet,
- attributes: &MacroOrFetchAttributes,
+ attributes: &MacroOrMessageDataItemNames<'a>,
uid: &bool,
) -> Result<(Response, flow::Transition)> {
match self.mailbox.fetch(sequence_set, attributes, uid).await {
Ok(resp) => Ok((
- Response::ok("FETCH completed")?.with_body(resp),
+ Response::ok()
+ .to_req(self.req)
+ .message("FETCH completed")
+ .set_data(resp)
+ .build()?,
+ flow::Transition::None,
+ )),
+ Err(e) => Ok((
+ Response::no()
+ .to_req(self.req)
+ .message(e.to_string())
+ .build()?,
flow::Transition::None,
)),
- Err(e) => Ok((Response::no(&e.to_string())?, flow::Transition::None)),
}
}
pub async fn search(
self,
- _charset: &Option<Charset>,
- _criteria: &SearchKey,
+ _charset: &Option<Charset<'a>>,
+ _criteria: &SearchKey<'a>,
_uid: &bool,
) -> Result<(Response, flow::Transition)> {
- Ok((Response::bad("Not implemented")?, flow::Transition::None))
+ Ok((
+ Response::bad()
+ .to_req(self.req)
+ .message("Not implemented")
+ .build()?,
+ flow::Transition::None,
+ ))
}
pub async fn noop(self) -> Result<(Response, flow::Transition)> {
@@ -91,38 +113,12 @@ impl<'a> ExaminedContext<'a> {
let updates = self.mailbox.update().await?;
Ok((
- Response::ok("NOOP completed.")?.with_body(updates),
+ Response::ok()
+ .to_req(self.req)
+ .message("NOOP completed.")
+ .set_data(updates)
+ .build()?,
flow::Transition::None,
))
}
-
- async fn append(
- self,
- mailbox: &MailboxCodec,
- flags: &[Flag],
- date: &Option<MyDateTime>,
- message: &NonZeroBytes,
- ) -> Result<(Response, flow::Transition)> {
- let ctx2 = authenticated::AuthenticatedContext {
- req: self.req,
- user: self.user,
- };
-
- match ctx2.append_internal(mailbox, flags, date, message).await {
- Ok((mb, uidvalidity, uid)) => {
- let resp = Response::ok("APPEND completed")?.with_extra_code(Code::Other(
- "APPENDUID".try_into().unwrap(),
- Some(format!("{} {}", uidvalidity, uid)),
- ));
-
- if Arc::ptr_eq(&mb, &self.mailbox.mailbox) {
- let data = self.mailbox.update().await?;
- Ok((resp.with_body(data), flow::Transition::None))
- } else {
- Ok((resp, flow::Transition::None))
- }
- }
- Err(e) => Ok((Response::no(&e.to_string())?, flow::Transition::None)),
- }
- }
}
diff --git a/src/imap/command/mod.rs b/src/imap/command/mod.rs
index 0b7e576..dc95746 100644
--- a/src/imap/command/mod.rs
+++ b/src/imap/command/mod.rs
@@ -1,4 +1,21 @@
pub mod anonymous;
+pub mod anystate;
pub mod authenticated;
pub mod examined;
pub mod selected;
+
+use crate::mail::user::INBOX;
+use imap_codec::imap_types::mailbox::Mailbox as MailboxCodec;
+
+/// Convert an IMAP mailbox name/identifier representation
+/// to an utf-8 string that is used internally in Aerogramme
+struct MailboxName<'a>(&'a MailboxCodec<'a>);
+impl<'a> TryInto<&'a str> for MailboxName<'a> {
+ type Error = std::str::Utf8Error;
+ fn try_into(self) -> Result<&'a str, Self::Error> {
+ match self.0 {
+ MailboxCodec::Inbox => Ok(INBOX),
+ MailboxCodec::Other(aname) => Ok(std::str::from_utf8(aname.as_ref())?),
+ }
+ }
+}
diff --git a/src/imap/command/selected.rs b/src/imap/command/selected.rs
index 6bf068c..148901d 100644
--- a/src/imap/command/selected.rs
+++ b/src/imap/command/selected.rs
@@ -1,31 +1,48 @@
use std::sync::Arc;
use anyhow::Result;
-use boitalettres::proto::Request;
-use boitalettres::proto::Response;
-use imap_codec::imap_types::command::CommandBody;
+use imap_codec::imap_types::command::{Command, CommandBody};
+use imap_codec::imap_types::core::Charset;
+use imap_codec::imap_types::fetch::MacroOrMessageDataItemNames;
use imap_codec::imap_types::flag::{Flag, StoreResponse, StoreType};
use imap_codec::imap_types::mailbox::Mailbox as MailboxCodec;
-use imap_codec::imap_types::response::Code;
+use imap_codec::imap_types::response::{Code, CodeOther};
+use imap_codec::imap_types::search::SearchKey;
use imap_codec::imap_types::sequence::SequenceSet;
-use crate::imap::command::examined;
+use crate::imap::command::{anystate, MailboxName};
use crate::imap::flow;
use crate::imap::mailbox_view::MailboxView;
+use crate::imap::response::Response;
use crate::mail::user::User;
pub struct SelectedContext<'a> {
- pub req: &'a Request,
+ pub req: &'a Command<'a>,
pub user: &'a Arc<User>,
pub mailbox: &'a mut MailboxView,
}
pub async fn dispatch(ctx: SelectedContext<'_>) -> Result<(Response, flow::Transition)> {
- match &ctx.req.command.body {
- // Only write commands here, read commands are handled in
- // `examined.rs`
+ match &ctx.req.body {
+ // Any State
+ // noop is specific to this state
+ CommandBody::Capability => anystate::capability(ctx.req.tag.clone()),
+ CommandBody::Logout => Ok((Response::bye()?, flow::Transition::Logout)),
+
+ // Specific to this state (7 commands + NOOP)
CommandBody::Close => ctx.close().await,
+ CommandBody::Noop | CommandBody::Check => ctx.noop().await,
+ CommandBody::Fetch {
+ sequence_set,
+ macro_or_item_names,
+ uid,
+ } => ctx.fetch(sequence_set, macro_or_item_names, uid).await,
+ CommandBody::Search {
+ charset,
+ criteria,
+ uid,
+ } => ctx.search(charset, criteria, uid).await,
CommandBody::Expunge => ctx.expunge().await,
CommandBody::Store {
sequence_set,
@@ -39,14 +56,9 @@ pub async fn dispatch(ctx: SelectedContext<'_>) -> Result<(Response, flow::Trans
mailbox,
uid,
} => ctx.copy(sequence_set, mailbox, uid).await,
- _ => {
- let ctx = examined::ExaminedContext {
- req: ctx.req,
- user: ctx.user,
- mailbox: ctx.mailbox,
- };
- examined::dispatch(ctx).await
- }
+
+ // The command does not belong to this state
+ _ => anystate::wrong_state(ctx.req.tag.clone()),
}
}
@@ -56,15 +68,78 @@ impl<'a> SelectedContext<'a> {
async fn close(self) -> Result<(Response, flow::Transition)> {
// We expunge messages,
// but we don't send the untagged EXPUNGE responses
+ let tag = self.req.tag.clone();
self.expunge().await?;
- Ok((Response::ok("CLOSE completed")?, flow::Transition::Unselect))
+ Ok((
+ Response::ok().tag(tag).message("CLOSE completed").build()?,
+ flow::Transition::Unselect,
+ ))
+ }
+
+ pub async fn fetch(
+ self,
+ sequence_set: &SequenceSet,
+ attributes: &MacroOrMessageDataItemNames<'a>,
+ uid: &bool,
+ ) -> Result<(Response, flow::Transition)> {
+ match self.mailbox.fetch(sequence_set, attributes, uid).await {
+ Ok(resp) => Ok((
+ Response::ok()
+ .to_req(self.req)
+ .message("FETCH completed")
+ .set_data(resp)
+ .build()?,
+ flow::Transition::None,
+ )),
+ Err(e) => Ok((
+ Response::no()
+ .to_req(self.req)
+ .message(e.to_string())
+ .build()?,
+ flow::Transition::None,
+ )),
+ }
+ }
+
+ pub async fn search(
+ self,
+ _charset: &Option<Charset<'a>>,
+ _criteria: &SearchKey<'a>,
+ _uid: &bool,
+ ) -> Result<(Response, flow::Transition)> {
+ Ok((
+ Response::bad()
+ .to_req(self.req)
+ .message("Not implemented")
+ .build()?,
+ flow::Transition::None,
+ ))
+ }
+
+ pub async fn noop(self) -> Result<(Response, flow::Transition)> {
+ self.mailbox.mailbox.force_sync().await?;
+
+ let updates = self.mailbox.update().await?;
+ Ok((
+ Response::ok()
+ .to_req(self.req)
+ .message("NOOP completed.")
+ .set_data(updates)
+ .build()?,
+ flow::Transition::None,
+ ))
}
async fn expunge(self) -> Result<(Response, flow::Transition)> {
+ let tag = self.req.tag.clone();
let data = self.mailbox.expunge().await?;
Ok((
- Response::ok("EXPUNGE completed")?.with_body(data),
+ Response::ok()
+ .tag(tag)
+ .message("EXPUNGE completed")
+ .data(data)
+ .build()?,
flow::Transition::None,
))
}
@@ -74,7 +149,7 @@ impl<'a> SelectedContext<'a> {
sequence_set: &SequenceSet,
kind: &StoreType,
response: &StoreResponse,
- flags: &[Flag],
+ flags: &[Flag<'a>],
uid: &bool,
) -> Result<(Response, flow::Transition)> {
let data = self
@@ -83,7 +158,11 @@ impl<'a> SelectedContext<'a> {
.await?;
Ok((
- Response::ok("STORE completed")?.with_body(data),
+ Response::ok()
+ .to_req(self.req)
+ .message("STORE completed")
+ .set_data(data)
+ .build()?,
flow::Transition::None,
))
}
@@ -91,18 +170,21 @@ impl<'a> SelectedContext<'a> {
async fn copy(
self,
sequence_set: &SequenceSet,
- mailbox: &MailboxCodec,
+ mailbox: &MailboxCodec<'a>,
uid: &bool,
) -> Result<(Response, flow::Transition)> {
- let name = String::try_from(mailbox.clone())?;
+ let name: &str = MailboxName(mailbox).try_into()?;
let mb_opt = self.user.open_mailbox(&name).await?;
let mb = match mb_opt {
Some(mb) => mb,
None => {
return Ok((
- Response::no("Destination mailbox does not exist")?
- .with_extra_code(Code::TryCreate),
+ Response::no()
+ .to_req(self.req)
+ .message("Destination mailbox does not exist")
+ .code(Code::TryCreate)
+ .build()?,
flow::Transition::None,
))
}
@@ -126,10 +208,13 @@ impl<'a> SelectedContext<'a> {
);
Ok((
- Response::ok("COPY completed")?.with_extra_code(Code::Other(
- "COPYUID".try_into().unwrap(),
- Some(copyuid_str),
- )),
+ Response::ok()
+ .to_req(self.req)
+ .message("COPY completed")
+ .code(Code::Other(CodeOther::unvalidated(
+ format!("COPYUID {}", copyuid_str).into_bytes(),
+ )))
+ .build()?,
flow::Transition::None,
))
}