102 lines
2.3 KiB
Bash
Executable File
102 lines
2.3 KiB
Bash
Executable File
#!/usr/bin/bash
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#Dependencies:
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# yq https://github.com/mikefarah/yq
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# curl
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YQ=yq
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CONFIG=${1:-./config.yaml}
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CACHE_DIR=./cache
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STATE_DIR=./state
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PODCASTS_DIR=./podcasts
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yqf() {
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$YQ "$1" "$CONFIG"
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}
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make_fname() {
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local name ftype title
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ftype=$1; name=$2; title=$3
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case $ftype in
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"date")
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echo "-o $name-$(date --iso-8601).mp3"
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;;
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"default")
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echo "-O"
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;;
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"title")
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sanitized=$(echo "$title" | sed 's/ */-/g' | tr -d -c 'A-Za-z-0-9\n' | grep -o '[^-].*' | cut -c-20)
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echo "-o $name-${sanitized}.mp3"
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;;
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esac
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}
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download() {
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local e name url limit mp3url fname ftype title
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e=$1
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name=$(yqf "${e}.name");
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url=$(yqf "${e}.url")
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limit=$(yqf "${e}.limit // 1")
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filter=$(yqf "${e}.filter // true")
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ftype=$(yqf "${e}.filename_type // \"default\"")
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local rss_path="$CACHE_DIR/${name}.rss"
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local downloads_path="$STATE_DIR/${name}.downloads"
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curl -s -L -o "$rss_path" "$url"
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items=".rss.channel.item"
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ids=$($YQ -p xml "$items | .[] | select($filter) | path | .[-1]" "$rss_path" |
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head -n "$limit")
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for id in $ids
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do
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title=$($YQ -p xml "$items.$id | (.title |= .[0]) | .title" "$rss_path")
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mp3url=$($YQ -p xml "$items.$id | .enclosure.+@url" "$rss_path")
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grep -qF "$mp3url" "$downloads_path" && continue
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echo "Downloading: $title - $mp3url"
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pushd "$CACHE_DIR" || return
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read -ra title_options < <(make_fname "$ftype" "$name" "$title")
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fname=$(curl -s -w "%{filename_effective}" -f -L "${title_options[@]}" "$mp3url")
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popd || return
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mv "$CACHE_DIR/$fname" "$PODCASTS_DIR"
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echo "$mp3url" >> "$downloads_path"
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done
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}
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set_proxy() {
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local proxy
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proxy="$(yqf .proxy)"
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if [[ -n "$proxy" ]]; then
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export ALL_PROXY="$proxy"
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fi
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}
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set_proxy
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set_directories() {
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local base_dir cache_dir state_dir podcasts_dir
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base_dir="$(yqf '.base_dir // ""')"
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cache_dir="$(yqf '.cache_dir // ""')"
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state_dir="$(yqf '.state_dir // ""')"
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podcasts_dir="$(yqf '.podcasts_dir // ""')"
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base_dir=${base_dir:-.}
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CACHE_DIR=${cache_dir:-$base_dir/cache}
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STATE_DIR=${state_dir:-$base_dir/state}
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PODCASTS_DIR=${podcasts_dir:-$base_dir/podcasts}
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}
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set_directories
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mkdir -p "$CACHE_DIR" "$STATE_DIR" "$PODCASTS_DIR"
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entries=".entries"
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for id in $(yqf "$entries | .[] | path | .[-1]")
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do
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download "${entries}.$id" &
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done
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wait
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