io_msgraph/v1/rest/users/
send_mail.rs

1//! Send a Microsoft Graph message (`POST /me/sendMail`) in JSON or MIME
2//! format; the message is saved to Sent Items.
3//!
4//! <https://learn.microsoft.com/en-us/graph/api/user-sendmail>
5
6use alloc::format;
7
8use base64::{Engine, engine::general_purpose::STANDARD};
9use io_http::rfc6750::bearer::HttpAuthBearer;
10use log::{debug, trace};
11use serde::Serialize;
12use url::Url;
13
14use crate::{
15    coroutine::*,
16    msgraph_try,
17    v1::{
18        rest::users::messages::MsgraphMessage,
19        send::{
20            MSGRAPH_API_BASE, MsgraphNoResponse, MsgraphSend, MsgraphSendError, MsgraphSendOutput,
21            user_path,
22        },
23    },
24};
25
26#[derive(Debug, Serialize)]
27#[serde(rename_all = "camelCase")]
28struct MsgraphMailSendRequest<'a> {
29    message: &'a MsgraphMessage,
30    save_to_sent_items: bool,
31}
32
33/// Send a message described as a JSON [`MsgraphMessage`].
34pub struct MsgraphMailSend {
35    send: MsgraphSend<MsgraphNoResponse>,
36}
37
38impl MsgraphMailSend {
39    /// Sends `message`, saving it to Sent Items when
40    /// `save_to_sent_items` is set.
41    pub fn new(
42        auth: &HttpAuthBearer,
43        user_id: &str,
44        message: &MsgraphMessage,
45        save_to_sent_items: bool,
46    ) -> Result<Self, MsgraphSendError> {
47        debug!("prepare microsoft graph mail send (json)");
48        trace!("message: {message:?}");
49        trace!("save_to_sent_items: {save_to_sent_items:?}");
50
51        let url = mail_url(user_id)?;
52        let body = MsgraphMailSendRequest {
53            message,
54            save_to_sent_items,
55        };
56        let send = MsgraphSend::post_json(auth, url, &body)?;
57
58        Ok(Self { send })
59    }
60}
61
62impl MsgraphCoroutine for MsgraphMailSend {
63    type Yield = MsgraphYield;
64    type Return = Result<MsgraphSendOutput<MsgraphNoResponse>, MsgraphSendError>;
65
66    fn resume(&mut self, arg: Option<&[u8]>) -> MsgraphCoroutineState<Self::Yield, Self::Return> {
67        let out = msgraph_try!(&mut self.send, arg);
68        debug!("mail sent (json)");
69        trace!("out: {out:?}");
70        MsgraphCoroutineState::Complete(Ok(out))
71    }
72}
73
74/// Send a message given as raw RFC 5322 MIME bytes; the MIME is
75/// base64-encoded and posted as `text/plain`, as Graph requires.
76pub struct MsgraphMailSendMime {
77    send: MsgraphSend<MsgraphNoResponse>,
78}
79
80impl MsgraphMailSendMime {
81    /// Sends the message given as `raw` RFC 5322 MIME bytes.
82    pub fn new(auth: &HttpAuthBearer, user_id: &str, raw: &[u8]) -> Result<Self, MsgraphSendError> {
83        debug!("prepare microsoft graph mail send (mime)");
84        trace!("raw len: {}", raw.len());
85
86        let url = mail_url(user_id)?;
87        let body = STANDARD.encode(raw).into_bytes();
88        let send = MsgraphSend::post_text(auth, url, body);
89
90        Ok(Self { send })
91    }
92}
93
94impl MsgraphCoroutine for MsgraphMailSendMime {
95    type Yield = MsgraphYield;
96    type Return = Result<MsgraphSendOutput<MsgraphNoResponse>, MsgraphSendError>;
97
98    fn resume(&mut self, arg: Option<&[u8]>) -> MsgraphCoroutineState<Self::Yield, Self::Return> {
99        let out = msgraph_try!(&mut self.send, arg);
100        debug!("mail sent (mime)");
101        trace!("out: {out:?}");
102        MsgraphCoroutineState::Complete(Ok(out))
103    }
104}
105
106fn mail_url(user_id: &str) -> Result<Url, MsgraphSendError> {
107    let user = user_path(user_id);
108    let url = Url::parse(MSGRAPH_API_BASE)?.join(&format!("{user}/sendMail"))?;
109    Ok(url)
110}
io_msgraph/v1/rest/users/send_mail.rs

io_msgraph/v1/rest/users/
send_mail.rs
