248 lines
9.3 KiB
Bash
Executable File
248 lines
9.3 KiB
Bash
Executable File
#!/bin/bash
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# Header
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if [[ $MF_DEBUG -eq 1 ]]; then
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printf "miniflux-filter - git.mgrote.net/mg/miniflux-filter\n"
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fi
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### datei mit filter ausdruecken
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MF_FILTERLIST_FILE="${MF_FILTERLIST_FILE:=/data/filter.txt}"
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### wartezeit zwischen durchlaeufen
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MF_SLEEP="${MF_SLEEP:=30}"
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### MF_DEBUG output
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# standardmäßig 0 = aus
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MF_DEBUG="${MF_DEBUG=0}"
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# Functions
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function output_help {
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cat <<EOF
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miniflux-filter
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https://git.mgrote.net/mg/miniflux-filter
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Usage:
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- filter.sh [OPTIONS]
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Options:
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-h, --help displays this text
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* script gets executed
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EOF
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}
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function check_dependencies {
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# pruefe ob jq installiert ist
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# https://stackoverflow.com/questions/592620/how-can-i-check-if-a-program-exists-from-a-bash-script
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if [[ $MF_DEBUG -eq 1 ]]; then
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echo "[DEBUG] check dependencies"
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fi
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if ! command -v jq &> /dev/null
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then
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echo "[ERROR] jq could not be found!"
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exit 5
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fi
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if ! command -v curl &> /dev/null
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then
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echo "[ERROR] curl could not be found!"
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exit 6
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fi
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if ! command -v xargs &> /dev/null
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then
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echo "[ERROR] xargs could not be found!"
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exit 8
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fi
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if ! command -v sed &> /dev/null
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then
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echo "[ERROR] sed could not be found!"
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exit 9
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fi
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if ! command -v sort &> /dev/null
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then
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echo "[ERROR] sort could not be found!"
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exit 10
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fi
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if ! command -v awk &> /dev/null
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then
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echo "[ERROR] awk could not be found!"
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exit 11
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fi
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}
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function check_vars {
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if [[ $MF_DEBUG -eq 1 ]]; then
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echo "[DEBUG] check if vars are (correctly) set"
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fi
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# pruefe ob alle vars gesetzt sind
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# -z = ob laenge gleich null ist
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if [[ -z "${MF_AUTH_TOKEN}" ]]; then
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# shellcheck disable=SC2016
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# shellcheck disable=SC2102
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echo [ERROR] '"$MF_AUTH_TOKEN"' not set.
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exit 2
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fi
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if [[ -z "${MF_API_URL}" ]]; then
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# shellcheck disable=SC2016
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# shellcheck disable=SC2102
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echo [ERROR] '"$MF_API_URL"' not set.
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exit 3
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fi
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# prüfe ob filter-datei ein ordner ist
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# kann bei einem falschen bind-mount passieren
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if [[ -d "$MF_FILTERLIST_FILE" ]]; then
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# shellcheck disable=SC2102
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echo [ERROR] "$MF_FILTERLIST_FILE" is a directory!
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exit 4
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fi
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# pruefe ob filter-datei NICHT existiert
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if [[ ! -e "$MF_FILTERLIST_FILE" ]]; then
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# shellcheck disable=SC2102
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echo [ERROR] "$MF_FILTERLIST_FILE" not readable!
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exit 1
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fi
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}
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function check_ping_connectivity {
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if [[ $MF_DEBUG -eq 1 ]]; then
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echo "[DEBUG] check if miniflux can be reached with ping"
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fi
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# pruefe ob miniflux erreichbar ist, wenn ja setze abbruchbedingung, sonst warte
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mf_ping_connectivity=0
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while [[ $mf_ping_connectivity -eq 0 ]]; do
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# hole fqdn + port aus MF_API_URL und pinge an
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mf_fqdn=$(echo "$MF_API_URL" | cut -d'/' -f3 | cut -d':' -f1-2 | cut -d":" -f1)
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if ping -c 1 "$mf_fqdn" > /dev/null 2>&1 ; then
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mf_ping_connectivity=1
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else
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mf_ping_connectivity=0
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sleep 10
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echo "[INFO] wait for miniflux (ping)..."
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if [[ $MF_DEBUG -eq 1 ]]; then
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echo "[DEBUG] miniflux could not be pinged, wait 10s"
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fi
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fi
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done
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}
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function check_api_connectivity {
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if [[ $MF_DEBUG -eq 1 ]]; then
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echo "[DEBUG] check if miniflux-api can be reached with curl"
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fi
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# pruefe ob miniflux erreichbar ist, wenn ja setze abbruchbedingung, sonst warte
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mf_api_connectivity=0
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while [[ $mf_api_connectivity -eq 0 ]]; do
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http_status_code=$(curl --silent --header "X-Auth-Token: $MF_AUTH_TOKEN" "$MF_API_URL/me" -i | grep HTTP/2 | awk '{print $2}')
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if [[ $http_status_code -eq 200 ]] ; then
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mf_api_connectivity=1
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else
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mf_api_connectivity=0
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sleep 10
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echo "[INFO] wait for miniflux (api)..."
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if [[ $MF_DEBUG -eq 1 ]]; then
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echo "[DEBUG] api could not be reached, wait 10s"
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fi
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fi
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done
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}
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function debug_output {
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if [[ $MF_DEBUG -eq 1 ]]; then
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echo -----------------------------------------------------
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echo [DEBUG] Filterlist-File: "$MF_FILTERLIST_FILE"
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echo [DEBUG] Sleep-Intervall: "$MF_SLEEP"
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echo [DEBUG] Auth-Token: "$MF_AUTH_TOKEN"
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echo [DEBUG] MF-Url: "$MF_API_URL"
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echo [DEBUG] Anzahl Filter: "$(wc -l < "$MF_FILTERLIST_FILE")"
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echo -----------------------------------------------------
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fi
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}
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function get_unread_entries {
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# hole alle ungelesenen entries und speichere sie in der variable unread_entries
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if [[ $MF_DEBUG -eq 1 ]]; then
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echo "[DEBUG] get unread entries from miniflux"
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fi
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unread_entries="$(curl --silent --header "X-Auth-Token: $MF_AUTH_TOKEN" "$MF_API_URL/entries?status=unread&limit=0")"
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if [[ $MF_DEBUG -eq 1 ]]; then
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echo "[DEBUG] show unread entries from miniflux"
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echo -----------------------------------------------------
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echo "$unread_entries"
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echo -----------------------------------------------------
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fi
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}
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function filter_entries {
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echo "[INFO] Filtering entries..."
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# fuer jede Zeile in $MF_FILTERLIST_FILE
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while read -r line; do
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if [[ $MF_DEBUG -eq 1 ]]; then
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echo "[DEBUG] set search values"
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fi
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# setze $url auf den Wert vor dem Trennzeichen/Delimiter, ersetze alle Grossschreibungen durch Kleinschreibung
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url=$(echo "$line" | tr '[:upper:]' '[:lower:]' | awk --field-separator="::" '{print $1}')
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# setze $suchbegriff auf den Wert vor dem Trennzeichen/Delimiter, ersetze alle Grossschreibungen durch Kleinschreibung
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suchbegriff=$(echo "$line" | tr '[:upper:]' '[:lower:]' | awk --field-separator="::" '{print $2}')
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# in jq uebergebe shell-variablen an jq selber
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# entferne die erste ebene
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# suche jeden eintrag wo die feed_url == $url, konvertiere in kleinschreibung, dasselbe fuer den title
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# gebe dann nur die id aus
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# die id, wird dann an die variable marked_entries angehangen
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# z.B. 53443 52332 48787 [...]
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if [[ -n "$url" ]]; then
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# abfangen der letzten zeile die leer ist; sonst wird alles gefiltert
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if [[ -n "$suchbegriff" ]]; then
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# abfangen der letzten zeile die leer ist; sonst wird alles gefiltert
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if [[ $MF_DEBUG -eq 1 ]]; then
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echo [DEBUG] url:"$url" - value:"$suchbegriff"
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fi
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# das leerzeichen am anfang ist notwendig, trennt die zahlenwerte
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# suche in titel
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marked_entries+=" $(echo "$unread_entries" | jq --arg url "$url" --arg suchbegriff "$suchbegriff" '.entries[] | select(.feed.site_url | ascii_downcase | contains($url)) | select(.title | ascii_downcase | contains($suchbegriff)) | .id' )"
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# suche in content
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marked_entries+=" $(echo "$unread_entries" | jq --arg url "$url" --arg suchbegriff "$suchbegriff" '.entries[] | select(.feed.site_url | ascii_downcase | contains($url)) | select(.content | ascii_downcase | contains($suchbegriff)) | .id' )"
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fi
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fi
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done < "$MF_FILTERLIST_FILE"
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}
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function mark_as_read {
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# https://stackoverflow.com/questions/3869072/test-for-non-zero-length-string-in-bash-n-var-or-var
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# wenn variabler NICHT leer...
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# sende in put request mit curl
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# der wert muss escaped werden, aber NICHT die variable die uebergeben wird
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if [[ $MF_DEBUG -eq 1 ]]; then
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echo "[DEBUG] mark entries as read"
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echo "[DEBUG] marked entry ids:"
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# https://unix.stackexchange.com/questions/353321/remove-all-duplicate-word-from-string-using-shell-script
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# entfernt doppelte eintraege innerhalb einer zeile
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echo "$marked_entries" | xargs -n1 | sort -u | xargs | sed -r 's/\s/\, /g'
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fi
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# wenn NICHT leer
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# sed wandelt 123 345 456 in 123, 245, 345 um.
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if [[ $(echo "$marked_entries" | xargs -n1 | sort -u | xargs | sed -r 's/\s/\, /g') ]]; then
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curl --request PUT --silent --header "X-Auth-Token: $MF_AUTH_TOKEN" --header "Content-Type: application/json" --data "{\"entry_ids\": [$(echo "$marked_entries" | xargs -n1 | sort -u | xargs | sed -r 's/\s/\, /g')], \"status\": \"read\"}" "$MF_API_URL/entries"
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# gebe entry-titel aus
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for i in $(echo "$marked_entries" | xargs -n1 | sort -u | xargs); do
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# gebe aus welcher eintrag gefiltert wurde, cut begrenzt die maximale laenge auf 100 zeichen
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# jq "XXX", fügt XXX in ausgabe hinzu
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echo [INFO] Filtered entry "$i" - "$(curl --silent --header "X-Auth-Token: $MF_AUTH_TOKEN" "$MF_API_URL"/entries/"$i" | jq --join-output '"url: ",.feed.site_url," - title: ", .title' | cut -c -100)".
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done
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fi
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# setze variablen auf leer
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marked_entries=""
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}
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# Doing
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case "$1" in
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--help | -h | help)
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output_help
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;;
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*)
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check_dependencies
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# fuehre script durchgaengig aus
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while true; do
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check_vars
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debug_output
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check_ping_connectivity
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check_api_connectivity
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get_unread_entries
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filter_entries
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mark_as_read
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# warte zeit x
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sleep "$MF_SLEEP"
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done
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esac
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