Quinn
4f315f2af8
We already use auto-capitalisation in the shell, so we actually benefit from having capitalised names, considering it reduces headaches induced by hardcoded paths. Also, now that we've accepted that the home directory will be a mess, it will aid standing out. Also source the file in .profile, because it should've been from the start.
65 lines
1.6 KiB
Bash
Executable File
65 lines
1.6 KiB
Bash
Executable File
#!/usr/bin/bash
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# shellcheck disable=SC1090,SC1091
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# set -xv
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OUTDIR="$(xdg-user-dir PICTURES)/eumetsat"
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# full screen coverage
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# PRJ=AUTO:42004,52,5,0
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# BBOX=(-6400000 -100000 6400000 7700000)
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# full disk
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PRJ=AUTO:42003,0,0,0
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BBOX=(-12800000 -7200000 12800000 7200000)
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# europe
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# PRJ=AUTO:42004,0,0,0
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# BBOX=(22.5 -45 90 67.5)
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# BBOX=(-45 -90 180 135)
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# BBOX=(-4500000 2250000 6750000 9000000)
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WIDTH=1920
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HEIGHT=1080
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error() {
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printf "\033[31m%s\033[0m\n" "$1"
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. "$HOME/.fehbg"
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exit 1
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}
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[ -z "$EUMETSAT_KEY" ] && error 'make sure to set EUMETSAT_KEY to the client key'
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[ -z "$EUMETSAT_SECRET" ] && error 'make sure to set EUMETSAT_SECRET to the client secret'
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# verify internet
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ping -c1 1.1.1.1 >>/dev/null || error "couldn't establish an internet connection!"
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# acquire the API key
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key=$(
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curl -k -d "grant_type=client_credentials" \
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-H "Authorization: Basic $(printf "%s:%s" "$EUMETSAT_KEY" "$EUMETSAT_SECRET" | base64)" \
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https://api.eumetsat.int/token | jq -r '.["access_token"]'
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)
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# set url
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url="https://view.eumetsat.int/geoserver/wms?"
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url+="&service=WMS"
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url+="&request=GetMap"
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url+="&version=1.3.0"
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url+="&layers=mtg_fd:rgb_geocolour"
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url+="&width=$WIDTH&height=$HEIGHT"
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url+="&bbox=${BBOX[0]},${BBOX[1]},${BBOX[2]},${BBOX[3]}"
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url+="&crs=$PRJ"
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url+="&styles="
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url+="&transparent=true"
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url+="&format=image/png"
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url+="&access_token=$key"
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# process incoming data
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[ ! -d "$OUTDIR" ] && { mkdir -p "$OUTDIR" || error "failed to access '$OUTDIR'!"; }
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curl "$url" -o "$OUTDIR/tmp.png" || error "failed to download from url='$url'!"
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mv -f "$OUTDIR/tmp.png" "$OUTDIR/curr.png"
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# update the feh background
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. "$HOME/.fehbg"
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