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use std::collections::HashMap;
use std::io::Write;
use flate2::write::GzEncoder;
use flate2::Compression;
use crate::command::common::PbToBytes;
use crate::command::multi_msg::{ForwardMessage, PackedMessage};
use crate::msg::elem::RichMsg;
use crate::msg::MessageChain;
use crate::pb;
use crate::protocol::device::random_string;
use crate::protocol::packet::Packet;
impl super::super::super::Engine {
pub fn build_multi_msg_apply_down_req(&self, res_id: String) -> Packet {
let req = pb::multimsg::MultiReqBody {
subcmd: 2,
term_type: 5,
platform_type: 9,
net_type: 3,
build_ver: self.transport.version.build_ver.into(),
multimsg_applydown_req: vec![pb::multimsg::MultiMsgApplyDownReq {
msg_resid: res_id.into_bytes(),
msg_type: 3,
..Default::default()
}],
bu_type: 2,
req_channel_type: 2,
..Default::default()
};
self.uni_packet("MultiMsg.ApplyDown", req.to_bytes())
}
pub fn build_multi_msg_apply_up_req(
&self,
msg_size: i64,
msg_md5: Vec<u8>,
bu_type: i32,
dst_uin: i64,
) -> Packet {
let req = pb::multimsg::MultiReqBody {
subcmd: 1,
term_type: 5,
platform_type: 9,
net_type: 3,
build_ver: self.transport.version.build_ver.into(),
req_channel_type: 0,
multimsg_applyup_req: vec![pb::multimsg::MultiMsgApplyUpReq {
dst_uin,
msg_size,
msg_md5,
msg_type: 3, ..Default::default()
}],
bu_type,
..Default::default()
};
self.uni_packet("MultiMsg.ApplyUp", req.to_bytes())
}
pub fn calculate_validation_data(
&self,
messages: Vec<super::ForwardMessage>,
group_code: i64,
) -> Vec<u8> {
let PackedMessage {
mut buffer,
filename,
} = self.pack_forward_msg(messages, group_code);
let msgs = buffer.remove(&filename).expect("msgs not found");
let mut pb_item_list = vec![pb::msg::PbMultiMsgItem {
file_name: Some("MultiMsg".into()),
buffer: Some(pb::msg::PbMultiMsgNew { msg: msgs.clone() }),
}];
for (filename, msg) in buffer {
pb_item_list.push(pb::msg::PbMultiMsgItem {
file_name: Some(filename),
buffer: Some(pb::msg::PbMultiMsgNew { msg }),
});
}
let trans = pb::msg::PbMultiMsgTransmit {
msg: msgs,
pb_item_list,
};
let mut encoder = GzEncoder::new(vec![], Compression::default());
encoder.write_all(&trans.to_bytes()).ok();
encoder.finish().unwrap_or_default()
}
fn pack_forward_msg(
&self,
messages: Vec<super::ForwardMessage>,
group_code: i64,
) -> PackedMessage {
let mut packed_buffers = HashMap::default();
let msgs: Vec<pb::msg::Message> = messages
.into_iter()
.map(|m| match m {
ForwardMessage::Message(message) => {
self.pack_msg(message, group_code)
}
ForwardMessage::Forward(forward) => {
let t_sum = forward.nodes.len();
let preview = super::gen_forward_preview(&forward.nodes);
let packed_message = self.pack_forward_msg(forward.nodes, group_code);
packed_buffers.extend(packed_message.buffer);
self.pack_msg(
super::MessageNode {
sender_id: forward.sender_id,
time: forward.time,
sender_name: forward.sender_name,
elements: MessageChain(
RichMsg {
template1: format!(
r##"<?xml version='1.0' encoding='UTF-8' standalone='yes' ?><msg serviceID="35" templateID="1" action="viewMultiMsg" brief="[聊天记录]" m_resid="" m_fileName="{}" tSum="{}" sourceMsgId="0" url="" flag="3" adverSign="0" multiMsgFlag="0"><item layout="1" advertiser_id="0" aid="0"><title size="34" maxLines="2" lineSpace="12">群聊的聊天记录</title>{}<hr hidden="false" style="0" /><summary size="26" color="#777777">查看{}条转发消息</summary></item><source name="聊天记录" icon="" action="" appid="-1" /></msg>"##,
packed_message.filename, t_sum, preview, t_sum
),
service_id: 35,
}.into()
),
},
group_code,
)
}
})
.collect();
let filename = random_string(16);
packed_buffers.insert(filename.clone(), msgs);
PackedMessage {
filename,
buffer: packed_buffers,
}
}
fn pack_msg(&self, node: super::MessageNode, group_code: i64) -> pb::msg::Message {
pb::msg::Message {
head: Some(pb::msg::MessageHead {
from_uin: Some(node.sender_id),
msg_type: Some(82), msg_seq: Some(self.next_group_seq()),
msg_time: Some(node.time),
msg_uid: Some(0x01000000000000000 | rand::random::<u16>() as i64), group_info: Some(pb::msg::GroupInfo {
group_code: Some(group_code),
group_card: Some(node.sender_name.into_bytes()),
..Default::default()
}),
mutiltrans_head: Some(pb::msg::MutilTransHead {
status: Some(0),
msg_id: Some(1),
}),
..Default::default()
}),
body: Some(pb::msg::MessageBody {
rich_text: Some(pb::msg::RichText {
elems: node.elements.into(),
..Default::default()
}),
..Default::default()
}),
..Default::default()
}
}
}