python-pillow/Pillow
1
1
Fork 0
mirror of https://github.com/python-pillow/Pillow.git synced 2025-01-29 18:54:16 +03:00
Code Issues Packages Projects Releases Wiki Activity

handle Photoshop chunks which can't be processed

Browse Source
This commit is contained in:
Alexander 2020-01-19 03:35:17 +03:00
parent 3841c96ec6
commit f55eb73934
1 changed files with 33 additions and 31 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
src/PIL/JpegImagePlugin.py
View File

@ -101,16 +101,16 @@ def APP(self, marker):
# markers appear in the correct sequence. # markers appear in the correct sequence.
self.icclist.append(s) self.icclist.append(s)
elif marker == 0xFFED and s[:14] == b"Photoshop 3.0\x00": elif marker == 0xFFED and s[:14] == b"Photoshop 3.0\x00":
# Process this marker only if previous were empty
if not self.info.get("photoshop"):
# parse the image resource block # parse the image resource block
offset = 14 offset = 14
photoshop = {} photoshop = {}
while s[offset : offset + 4] == b"8BIM": while s[offset : offset + 4] == b"8BIM":
try:
offset += 4 offset += 4
# resource code # resource code
try:
code = i16(s, offset) code = i16(s, offset)
except struct.error:
break
offset += 2 offset += 2
# resource name (usually empty) # resource name (usually empty)
name_len = i8(s[offset]) name_len = i8(s[offset])
@ -131,6 +131,8 @@ def APP(self, marker):
photoshop[code] = data photoshop[code] = data
offset += size offset += size
offset += offset & 1 # align offset += offset & 1 # align
except struct.error:
break # no sufficient data
self.info["photoshop"] = photoshop self.info["photoshop"] = photoshop
elif marker == 0xFFEE and s[:5] == b"Adobe": elif marker == 0xFFEE and s[:5] == b"Adobe":