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Regex embedded mp4/webm/mp3 files out of <img> and into <video> or <audio> tags

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freamon 2024-09-24 22:19:50 +00:00
parent 7b4cdaf30c
commit 8437154f48
1 changed files with 12 additions and 0 deletions
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12
app/utils.py
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@ -308,6 +308,18 @@ def allowlist_html(html: str, a_target='_blank') -> str:
re_superscript = re.compile(r'\^(\S+)\^')
clean_html = re_superscript.sub(r'<sup>\1</sup>', clean_html)
# replace <img src> for mp4 with <video> - treat them like a GIF (autoplay, but initially muted)
re_embedded_mp4 = re.compile(r'<img .*?src="(https://.*?\.mp4)".*?/>')
clean_html = re_embedded_mp4.sub(r'<video class="responsive-video" controls preload="auto" autoplay muted loop playsinline disablepictureinpicture><source src="\1" type="video/mp4"></video>', clean_html)
# replace <img src> for webm with <video> - treat them like a GIF (autoplay, but initially muted)
re_embedded_webm = re.compile(r'<img .*?src="(https://.*?\.webm)".*?/>')
clean_html = re_embedded_webm.sub(r'<video class="responsive-video" controls preload="auto" autoplay muted loop playsinline disablepictureinpicture><source src="\1" type="video/webm"></video>', clean_html)
# replace <img src> for mp3 with <audio>
re_embedded_mp3 = re.compile(r'<img .*?src="(https://.*?\.mp3)".*?/>')
clean_html = re_embedded_mp3.sub(r'<audio controls><source src="\1" type="audio/mp3"></audio>', clean_html)
return clean_html