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Generate cover [a.k.a. thumbnail/poster] for video manually uploaded #196

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merged 13 commits into from
Jun 21, 2024
Merged

Generate cover [a.k.a. thumbnail/poster] for video manually uploaded #196

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d81458a
Generate cover for video manually updated
deldesir Jun 20, 2024
0416359
Enhance frame selection
deldesir Jun 20, 2024
9ef5a1d
Add explanatory comments
deldesir Jun 20, 2024
f8c39f2
Sanitize input and output path
deldesir Jun 20, 2024
46f0e6c
Set ffmpeg failure as error
deldesir Jun 20, 2024
2bdd296
Enhance cover/poster generation
deldesir Jun 21, 2024
3379ee8
Add explanatory comments back
deldesir Jun 21, 2024
3a965f8
uploader.py: Just a warning about shlex.quote() risks
holta Jun 21, 2024
90f0b50
Remove unnecessary sanitizing function
deldesir Jun 21, 2024
cbaad2b
Preserve shlex for future use of sanitize_path, even if commented out (:
holta Jun 21, 2024
e7d9636
use subprocess directly
deldesir Jun 21, 2024
686d6a3
Remove subprocess import
deldesir Jun 21, 2024
10296a7
Import subprocess
deldesir Jun 21, 2024
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7 changes: 5 additions & 2 deletions cps/uploader.py
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For the same video
image

Original file line number Diff line number Diff line change
Expand Up @@ -327,8 +327,11 @@ def generate_video_cover(tmp_file_path):
ffmpeg_args = [
ffmpeg_executable,
'-i', tmp_file_path,
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Defensive programming reminder: Sanitize the file path to prevent command injection

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I'll use shlex for now. Should be safe on POSIX compliant shells. (Done in f8c39f2)

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I added a general warning that shlex.quote() is not bulletproof:

3a965f8

(Though it's probably good enough for path sanitizing!)

'-vframes', '1',
'-y', ffmpeg_output_file
'-vf', 'fps=1,thumbnail,select=gt(scene\,0.1),scale=-1:720',
'-frames:v', '1',
'-vsync', 'vfr',
'-y',
ffmpeg_output_file
]

try:
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