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authorRené 'Necoro' Neumann <necoro@necoro.eu>2021-10-29 01:31:10 +0200
committerRené 'Necoro' Neumann <necoro@necoro.eu>2021-10-29 01:31:10 +0200
commitf17f63bb944d886b552facf4b28a557b8e4a64d5 (patch)
tree9d85015ae0c5aa069c815f3a522662ade5be9a78
parentce1e4c8465badcb49ea1b4fe8afd987587226614 (diff)
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#64: Set filename for included images
Diffstat (limited to '')
-rw-r--r--CHANGELOG.md2
-rw-r--r--internal/feed/item.go5
-rw-r--r--internal/feed/mail.go20
3 files changed, 22 insertions, 5 deletions
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3adbf45..aa5a807 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
## [Unreleased]
+### Added
+- [Issue #64](https://github.com/Necoro/feed2imap-go/issues/64): Set filename for included images.
## [1.2.0] - 2021-10-20
### Added
diff --git a/internal/feed/item.go b/internal/feed/item.go
index f7dd506..b45f5c5 100644
--- a/internal/feed/item.go
+++ b/internal/feed/item.go
@@ -17,6 +17,7 @@ import (
type feedImage struct {
image []byte
mime string
+ name string
}
type Item struct {
@@ -69,8 +70,8 @@ func (item *Item) AddReason(reason string) {
}
}
-func (item *Item) addImage(img []byte, mime string) int {
- i := feedImage{img, mime}
+func (item *Item) addImage(img []byte, mime string, name string) int {
+ i := feedImage{img, mime, name}
item.images = append(item.images, i)
return len(item.images)
}
diff --git a/internal/feed/mail.go b/internal/feed/mail.go
index b6cd231..f5863a6 100644
--- a/internal/feed/mail.go
+++ b/internal/feed/mail.go
@@ -123,10 +123,19 @@ func (item *Item) writeHtmlPart(w *message.Writer) error {
return item.writeContentPart(w, "html", template.Html)
}
+func (img *feedImage) buildNameMap(key string) map[string]string {
+ if img.name == "" {
+ return nil
+ }
+ return map[string]string{key: img.name}
+}
+
func (img *feedImage) writeImagePart(w *message.Writer, cid string) error {
var ih message.Header
- ih.SetContentType(img.mime, nil)
- ih.SetContentDisposition("inline", nil)
+ // set filename for both Type and Disposition
+ // according to standard, it belongs to the latter -- but some clients expect the former
+ ih.SetContentType(img.mime, img.buildNameMap("name"))
+ ih.SetContentDisposition("inline", img.buildNameMap("filename"))
ih.Set("Content-Transfer-Encoding", "base64")
ih.SetText("Content-ID", fmt.Sprintf("<%s>", cid))
@@ -288,7 +297,12 @@ func (item *Item) downloadImage(src string) string {
if feed.EmbedImages {
return "data:" + mime + ";base64," + base64.StdEncoding.EncodeToString(img)
} else {
- idx := item.addImage(img, mime)
+ name := path.Base(src)
+ if name == "/" || name == "." || name == " " {
+ name = ""
+ }
+
+ idx := item.addImage(img, mime, name)
return "cid:" + cidNr(idx)
}
}