52 lines
1.4 KiB
Bash
Executable File
52 lines
1.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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# shellcheck disable=SC1090,SC1091
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# set -xv
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EUMETSAT_KEY="jdBM1PsDQUm0tCZfk9VXD6IaJoUa"
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EUMETSAT_SECRET="SumkiqFMU3MAGpt_azb1KXKgjdMa"
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error() {
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printf "\033[31m%s\033[0m\n" "$1"
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exit 1
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}
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# verify internet
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ping -c1 1.1.1.1 >>/dev/null || error "couldn't establish an internet connection!"
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# acquire the output directory
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if command -v xdg-user-dir; then
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outdir="$(xdg-user-dir PICTURES)/eumetsat"
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elif [ -z "$HOME" ]; then
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outdir="$HOME/.eumetsat"
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else
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error "couldn't connect to either 'xdg-user-dir PICTURES' or '\$HOME'"
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fi
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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" "$EUMETSAT_SECRET" | base64)" \
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https://api.eumetsat.int/token | jq -r '.["access_token"]'
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)
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# set url
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url="https://view.eumetsat.int/geoserver/wms?"
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url+="&service=WMS"
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url+="&request=GetMap"
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url+="&version=1.3.0"
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url+="&layers=mtg_fd:rgb_geocolour"
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url+="&width=1080&height=1080"
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url+="&bbox=-6400000,-6400000,6400000,6400000"
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url+="&crs=AUTO:42003,9001,0,0"
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url+="&styles="
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url+="&format=image/png"
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url+="&access_token=$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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