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https://git.sr.ht/~rjarry/aerc
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2ae8b13831
Append all arguments passed to the html builtin filter to the generated w3m command. Terminal emulators all have different image display capabilities. We cannot know in advance which image protocol to use (if any). Changelog-changed: The builtin `html` and `html-unsafe` filters can now take additional arguments that will be passed to `w3m`. This can be used to enable inline images when viewing `text/html` parts (e.g.: `text/html = ! html-unsafe -sixel`). Signed-off-by: Robin Jarry <robin@jarry.cc> Reviewed-by: Bence Ferdinandy <bence@ferdinandy.com>
53 lines
1.5 KiB
Bash
Executable file
53 lines
1.5 KiB
Bash
Executable file
#!/bin/sh
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# aerc filter to view HTML emails with w3m.
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#
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# Networking access will be disabled unless the script is named 'html-unsafe'.
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#
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# If stdout is connected to a TTY, the interactive pager of w3m will be enabled.
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set -- w3m \
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-I UTF-8 -O UTF-8 -T text/html \
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-s -graph \
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-o fold_textarea=true \
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-o fold_line=true \
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-o decode_url=true \
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-o display_link=true \
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"$@"
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if [ -t 1 ]; then
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# stdout is connected to a terminal, enable interactive mode
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set -- "$@" -o display_borders=true
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if w3m --help 2>&1 | head -n1 | grep -q "options.*image"; then
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# display inline images if support is enabled
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set -- "$@" -o display_image=true -o auto_image=true
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fi
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else
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# stdout is connected to a pager, dump output without interaction
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set -- "$@" -cols 100 -dump -o disable_center=true
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fi
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if ! [ "$(basename $0)" = "html-unsafe" ]; then
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# attempt network isolation to prevent any phoning home by rendered emails
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set -- "$@" -o no_cache=true -o use_cookie=false
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if command -v unshare >/dev/null 2>&1; then
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# run the command in a separate network namespace
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set -- unshare --map-root-user --net "$@"
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elif command -v socksify >/dev/null 2>&1; then
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# if socksify (from dante-utils) is available, use it
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export SOCKS_SERVER="127.0.0.1:1"
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set -- socksify "$@"
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else
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# best effort, use an invalid address as http proxy
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set -- "$@" \
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-o use_proxy=true \
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-o http_proxy='127.0.0.1:1' \
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-o https_proxy='127.0.0.1:1' \
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-o gopher_proxy='127.0.0.1:1' \
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-o ftp_proxy='127.0.0.1:1'
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fi
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fi
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exec "$@"
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