124 lines
6.2 KiB
Bash
Executable file
124 lines
6.2 KiB
Bash
Executable file
#!/bin/bash
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#Check for mariadb vs. mysql
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dbengine=""
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if [[ -n $(type mariadb) ]]; then
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dbengine="mariadb"
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elif [[ -n $(type mysql) ]]; then
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dbengine="mysql"
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else
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exit
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fi
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db="friendica"
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tmpfile="/tmp/sitesdown.txt"
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idsdownfile="/tmp/idsdown.txt"
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url=friendica.example.net
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avatarfolder=/var/www/friendica/avatar
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avatarfolderescaped=${avatarfolder////\\/}
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loop_1() {
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site=$(echo "${sites}" | sed -e "s/http[s]*:\/\///g")
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if [[ "${protocol}" == "apub" ]]; then
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#For ActivityPub sites, we test the well-known Webfinger
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#We also need a valid (known) user for the Webfinger test
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user=$("${dbengine}" "${db}" -N -B -q -e "select \`addr\` from contact where baseurl = \"http://${site}\" or url = \"http://${site}\" or baseurl = \"https://${site}\" or url = \"https://${site}\" limit 1")
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site_test="https://${site}/.well-known/webfinger?resource=acct:${user}"
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#If the return message is in "application/jrd+json" format, the site is still up
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#If the message contains a reference to Cloudflare, we don't add it to the list either, just in case
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if ! grep -q -e "application/jrd+json" -e "HTTP.*200" -e "cloudflare" <(curl -s -L -I -m 30 -X HEAD "${site_test}"); then
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echo "${site}" >>"${tmpfile}"
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echo "Added ${site}"
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fi
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fi
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#This is mostly for RSS feeds, we only check whether the site itself is up
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#Skip check if the message contains a reference to Cloudflare
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if [[ "${protocol}" != "bsky" ]]; then
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if ! grep -q -e "HTTP.*200" -e "cloudflare" <(curl -s -L -I -m 30 -X HEAD "https://${site}"); then
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echo "${site}" >>"${tmpfile}"
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echo "Added ${site}"
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fi
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fi
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}
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loop_2() {
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echo "Finding users for ${b}"
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"${dbengine}" "${db}" -N -B -q -e "select \`id\`, \`nick\`, \`baseurl\` from contact c where c.\`id\` not in (select \`id\` from \`contact\` where \`id\` in (select \`contact-id\` from \`group_member\`) or \`id\` in (select \`cid\` from \`user-contact\`) or \`id\` in (select \`uid\` from \`user\`)) and (c.baseurl = \"http://${b}\" or c.url = \"http://${b}\" or c.baseurl = \"https://${b}\" or c.url = \"https://${b}\")" | sudo tee -a "${idsdownfile}" #&> /dev/null
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}
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loop_3() {
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baseurltrimmed=$(echo "${baseurl}" | sed -e "s/http[s]*:\/\///g")
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echo "Deleting user ${lineb} - ${nick}@${baseurltrimmed}"
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#Find the pictures in the avatar folders and delete them
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"${dbengine}" "${db}" -N -B -q -e "select \`photo\`, \`thumb\`, \`micro\` from \`contact\` where \`id\` = ${lineb}" | while read -r photo thumb micro; do
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#If stored in avatar folder
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if grep -v -q "${url}/avatar" <(echo "${photo}"); then
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#if [[ -z "${isavatar}" ]]
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phototrimmed=$(echo "${photo}" | sed -e "s/https:\/\/${url}\/avatar/${avatarfolderescaped}/g" -e "s/\?ts.*//g")
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rm -rfv "${phototrimmed}"
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thumbtrimmed=$(echo "${thumb}" | sed -e "s/https:\/\/${url}\/avatar/${avatarfolderescaped}/g" -e "s/\?ts.*//g")
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rm -rfv "${thumbtrimmed}"
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microtrimmed=$(echo "${micro}" | sed -e "s/https:\/\/${url}\/avatar/${avatarfolderescaped}/g" -e "s/\?ts.*//g")
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rm -rfv "${microtrimmed}"
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fi
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done
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"${dbengine}" "${db}" -N -B -q -e "delete from \`post-thread\` where \`author-id\` = ${lineb} or \`causer-id\` = ${lineb} or \`owner-id\` = ${lineb}"
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"${dbengine}" "${db}" -N -B -q -e "delete from \`post-thread-user\` where \`author-id\` = ${lineb} or \`causer-id\` = ${lineb} or \`owner-id\` = ${lineb}"
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"${dbengine}" "${db}" -N -B -q -e "delete from \`post-user\` where \`author-id\` = ${lineb} or \`causer-id\` = ${lineb} or \`owner-id\` = ${lineb}"
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"${dbengine}" "${db}" -N -B -q -e "delete from \`post-tag\` where cid = ${lineb}"
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"${dbengine}" "${db}" -N -B -q -e "create temporary table tmp_post (select \`uri-id\` from \`post\` where \`owner-id\` = ${lineb} or \`author-id\` = ${lineb} or \`causer-id\` = ${lineb}); delete p.* from \`post-content\` p inner join \`tmp_post\` t where p.\`uri-id\` = t.\`uri-id\`;"
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"${dbengine}" "${db}" -N -B -q -e "delete from \`post\` where \`owner-id\` = ${lineb} or \`author-id\` = ${lineb} or \`causer-id\` = ${lineb}"
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"${dbengine}" "${db}" -N -B -q -e "delete from \`photo\` where \`contact-id\` = ${lineb}"
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"${dbengine}" "${db}" -N -B -q -e "delete from \`contact\` where \`id\` = ${lineb}"
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"${dbengine}" "${db}" -N -B -q -e "delete from \`apcontact\` where \`uri-id\` = ${lineb}"
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"${dbengine}" "${db}" -N -B -q -e "delete from \`diaspora-contact\` where \`uri-id\` = ${lineb}"
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}
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#Check if our dependencies are installed
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if [[ -n $(type curl) && -n "${dbengine}" && -n $(type "${dbengine}") && -n $(type date) ]]; then
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date
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if [[ ! -f "${tmpfile}" ]]; then
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echo "Listing sites"
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siteslist=$("${dbengine}" "${db}" -N -B -q -e "select distinct baseurl, protocol from contact where baseurl != ''" | sort -b -f -n | sed -e "s/http:/https:/g" | uniq -i)
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echo "Amount of unique sites: ${#siteslist[@]}"
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while read -r sites protocol; do
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loop_1 "${sites}" "${protocol}" &
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if [[ $(jobs -r -p | wc -l) -ge $(($(getconf _NPROCESSORS_ONLN) * 2)) ]]; then
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wait -n
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fi
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done < <(echo "${siteslist}")
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wait
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fi
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sitesdown=()
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while read -r line; do
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sitesdown+=("${line}")
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done <"${tmpfile}"
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t=$(sort -n "${tmpfile}" | uniq)
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echo "${t}" >"${tmpfile}"
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echo "Amount of sites down: ${#sitesdown[@]} / ${#siteslist[@]}"
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if [[ ! -f "${idsdownfile}" ]]; then
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for b in "${sitesdown[@]}"; do
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loop_2 "${b}" &
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if [[ $(jobs -r -p | wc -l) -ge $(($(getconf _NPROCESSORS_ONLN) / 2)) ]]; then
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wait -n
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fi
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done
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wait
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u=$(sort -n "${idsdownfile}" | uniq)
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echo "${u}" >"${idsdownfile}"
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fi
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while read -r lineb nick baseurl; do
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#The community no longer exists, delete
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loop_3 "${lineb}" "${nick}" "${baseurl}" &
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if [[ $(jobs -r -p | wc -l) -ge $(($(getconf _NPROCESSORS_ONLN) / 2)) ]]; then
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wait -n
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fi
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wait
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done <"${idsdownfile}"
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rm "${tmpfile}" 2>/dev/null
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rm "${idsdownfile}" 2>/dev/null
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"${dbengine}" "${db}" -N -B -q -e "alter table \`post-thread\` auto_increment = 1"
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"${dbengine}" "${db}" -N -B -q -e "alter table \`post-thread-user\` auto_increment = 1"
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"${dbengine}" "${db}" -N -B -q -e "alter table \`post-user\` auto_increment = 1"
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"${dbengine}" "${db}" -N -B -q -e "alter table \`post-tag\` auto_increment = 1"
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"${dbengine}" "${db}" -N -B -q -e "alter table \`post\` auto_increment = 1"
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"${dbengine}" "${db}" -N -B -q -e "alter table \`photo\` auto_increment = 1"
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"${dbengine}" "${db}" -N -B -q -e "alter table \`contact\` auto_increment = 1"
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date
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fi
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