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fix: Correct message viewtype before recoding image blob (#5496)

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Otherwise, e.g. if a message is a large GIF, but its viewtype is set to `Image` by the app, this GIF
will be recoded to JPEG to reduce its size. GIFs and other special viewtypes must be always detected
and sent as is.
This commit is contained in:
iequidoo
2024-04-25 04:02:40 -03:00
committed by iequidoo
parent f49588e64e
commit 20d79970a2
3 changed files with 60 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

52
src/chat.rs
View File

@@ -2505,6 +2505,30 @@ async fn prepare_msg_blob(context: &Context, msg: &mut Message) -> Result<()> {
.await?
.with_context(|| format!("attachment missing for message of type #{}", msg.viewtype))?;
if msg.viewtype == Viewtype::File || msg.viewtype == Viewtype::Image {
// Correct the type, take care not to correct already very special
// formats as GIF or VOICE.
//
// Typical conversions:
// - from FILE to AUDIO/VIDEO/IMAGE
// - from FILE/IMAGE to GIF */
if let Some((better_type, _)) = message::guess_msgtype_from_suffix(&blob.to_abs_path())
{
if better_type != Viewtype::Webxdc
|| context
.ensure_sendable_webxdc_file(&blob.to_abs_path())
.await
.is_ok()
{
msg.viewtype = better_type;
}
}
} else if msg.viewtype == Viewtype::Webxdc {
context
.ensure_sendable_webxdc_file(&blob.to_abs_path())
.await?;
}
let mut maybe_sticker = msg.viewtype == Viewtype::Sticker;
if msg.viewtype == Viewtype::Image
|| maybe_sticker && !msg.param.exists(Param::ForceSticker)
@@ -2526,34 +2550,6 @@ async fn prepare_msg_blob(context: &Context, msg: &mut Message) -> Result<()> {
.set(Param::Filename, stem.to_string() + "." + blob_ext);
}
if msg.viewtype == Viewtype::File || msg.viewtype == Viewtype::Image {
// Correct the type, take care not to correct already very special
// formats as GIF or VOICE.
//
// Typical conversions:
// - from FILE to AUDIO/VIDEO/IMAGE
// - from FILE/IMAGE to GIF */
if let Some((better_type, better_mime)) =
message::guess_msgtype_from_suffix(&blob.to_abs_path())
{
if better_type != Viewtype::Webxdc
|| context
.ensure_sendable_webxdc_file(&blob.to_abs_path())
.await
.is_ok()
{
msg.viewtype = better_type;
if !msg.param.exists(Param::MimeType) {
msg.param.set(Param::MimeType, better_mime);
}
}
}
} else if msg.viewtype == Viewtype::Webxdc {
context
.ensure_sendable_webxdc_file(&blob.to_abs_path())
.await?;
}
if !msg.param.exists(Param::MimeType) {
if let Some((_, mime)) = message::guess_msgtype_from_suffix(&blob.to_abs_path()) {
msg.param.set(Param::MimeType, mime);