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Be a little less strict on invalid frames

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Add iTunes frames and ignore unknown frame only if they are too big
This commit is contained in:
Xavier Henner 2015-07-05 23:03:02 +02:00
parent 334c71001c
commit 05c9a3fa59
2 changed files with 11 additions and 5 deletions
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10
id3v2.go
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@ -219,11 +219,6 @@ func readID3v2Frames(r io.Reader, h *id3v2Header) (map[string]interface{}, error
return nil, err
}
// Avoid corrupted padding (see http://id3.org/Compliance%20Issues).
if !validID3Frame(h.Version, name) {
break
}
// FIXME: Do we still need this?
// if size=0, we certainly are in a padding zone. ignore the rest of
// the tags
@ -233,6 +228,11 @@ func readID3v2Frames(r io.Reader, h *id3v2Header) (map[string]interface{}, error
offset += headerSize + size
// Avoid corrupted padding (see http://id3.org/Compliance%20Issues).
if !validID3Frame(h.Version, name) && offset > h.Size {
break
}
if flags != nil {
if flags.Compression {
_, err = read7BitChunkedInt(r, 4) // read 4

6
id3v2frames.go
View File

@ -119,6 +119,7 @@ var id3v23Frames = map[string]string{
"SYTC": "Synchronized tempo codes",
"TALB": "Album/Movie/Show title",
"TBPM": "BPM (beats per minute)",
"TCMP": "iTunes Compilation Flag",
"TCOM": "Composer",
"TCON": "Content type",
"TCOP": "Copyright message",
@ -152,6 +153,8 @@ var id3v23Frames = map[string]string{
"TRSN": "Internet radio station name",
"TRSO": "Internet radio station owner",
"TSIZ": "Size",
"TSO2": "iTunes uses this for Album Artist sort order",
"TSOC": "iTunes uses this for Composer sort order",
"TSRC": "ISRC (international standard recording code)",
"TSSE": "Software/Hardware and settings used for encoding",
"TYER": "Year",
@ -209,6 +212,7 @@ var id3v24Frames = map[string]string{
"TALB": "Album/Movie/Show title",
"TBPM": "BPM (beats per minute)",
"TCMP": "iTunes Compilation Flag",
"TCOM": "Composer",
"TCON": "Content type",
"TCOP": "Copyright message",
@ -246,7 +250,9 @@ var id3v24Frames = map[string]string{
"TRCK": "Track number/Position in set",
"TRSN": "Internet radio station name",
"TRSO": "Internet radio station owner",
"TSO2": "iTunes uses this for Album Artist sort order",
"TSOA": "Album sort order",
"TSOC": "iTunes uses this for Composer sort order",
"TSOP": "Performer sort order",
"TSOT": "Title sort order",
"TSRC": "ISRC (international standard recording code)",