127 lines
4.5 KiB
Bash
Executable File
127 lines
4.5 KiB
Bash
Executable File
#!/bin/bash
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# Print some basic info about fediverse instances.
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# Version: 2019-06-24_4
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if [[ -z "${1}" ]]; then
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echo "usage: ${0} DOMAIN" >&2
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exit 1
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fi
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if ! command -v jq > /dev/null; then
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echo "You need to install jq (https://stedolan.github.com/jq/)" >&2
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exit 2
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fi
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function pretty()
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{
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local extract="${*}"
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if command -v json_pp > /dev/null; then
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echo "{${extract}}" | json_pp
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else
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echo "${extract}"
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fi
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}
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function striphtml()
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{
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local extract="${*}"
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echo "${extract}" | sed 's/\\u003c/</g' | sed 's/\\u003e/>/g' | sed -E 's/<[^>]+>//g' | sed 's/\\r\\n/ /g'
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}
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function main()
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{
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local instance="${1}"
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# shellcheck disable=SC2155
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local nodeinfo=$(curl -s "https://${instance}/.well-known/nodeinfo" | jq -r '.links[-1].href' 2> /dev/null)
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local mastoinfo="https://${instance}/api/v1/instance"
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local misskeyinfo="https://${instance}/api/meta"
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if curl -sIf -X POST "${misskeyinfo}" | grep -iq 'Content-Type: application/json'; then
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echo "Misskey API found."
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json=$(curl -s -X POST "${misskeyinfo}")
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# shellcheck disable=SC2155
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local email=$(grep -Eo '"maintainerEmail":"[^"]+"' <<<"${json}" | cut -d: -f2 | sed 's/"//g')
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[[ -n "${email}" ]] && echo "E-Mail: ${email}"
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# shellcheck disable=SC2155
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local users=$(curl -s -X POST "https://${instance}/api/stats" | grep -Eo '"usersCount":[0-9]+' | cut -d: -f2)
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[[ -n ${users} ]] && echo "Number of users: ${users}"
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# NOTE: I'm not sure what the returned data means exactly and I couldn't find the API-documentation. So I commented it out for now.
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# # shellcheck disable=SC2155
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# local federation=$(curl -s -X POST "https://${instance}/api/federation/instances" | grep -Eo '"host":"[^"]+",' | sed 's/"host"://g')
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# # shellcheck disable=SC2046
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# [[ -n ${federation} ]] && echo -n "Federates with: " && pretty '"":['"${federation}"'""]'
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# shellcheck disable=SC2155
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local tos=$(grep -Eo '"ToSUrl":"[^"]+"' <<<"${json}" | cut -d: -f2,3 | sed 's/"//g')
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[[ -n "${tos}" ]] && echo "ToS: ${tos}"
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elif curl -sIf "${nodeinfo}" | grep -iq 'Content-Type: application/json'; then
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echo "Nodeinfo found."
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json=$(curl -s "${nodeinfo}")
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local implementation=""
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if grep -q pleroma <<<"${json}"; then
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implementation="Pleroma"
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fi
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[[ -n "${implementation}" ]] && echo "${implementation} detected."
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echo -n "Description: "
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grep -Eo '"nodeDescription":"[^"]+"' <<<"${json}" | cut -d: -f2
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echo "Admins: "
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# shellcheck disable=SC2046
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pretty $(grep -Eo '"staffAccounts":\[[^]]+\]' <<<"${json}")
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echo -n "Number of users: "
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grep -Eo '"total":[0-9]+' <<<"${json}" | cut -d: -f2
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echo "Blocked instances: "
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# shellcheck disable=SC2046
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pretty $(grep -Eo '"reject":\[[^]]+\]' <<<"${json}" | head -n1)
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if [[ "${implementation}" == "Pleroma" ]]; then
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echo "Further info, maybe: https://${instance}/static/terms-of-service.html"
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fi
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elif curl -sIf "${mastoinfo}" | grep -iq 'Content-Type: application/json'; then
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echo "Mastodon API found."
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json=$(curl -s "${mastoinfo}")
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local implementation=""
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if grep -Eq '"is_(pro|verified)"' <<<"${json}"; then
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implementation="Gab"
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elif grep -Eq '"version":"[0-9]+\.[0-9]+\.[0-9]+"' <<<"${json}"; then
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implementation="Mastodon"
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fi
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[[ -n "${implementation}" ]] && echo "${implementation} detected."
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echo -n "Description: "
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# shellcheck disable=SC2046
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striphtml $(grep -Eo '"description":"[^,]+",' <<<"${json}") | cut -d: -f2,3,4,5,6,7,8,9
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# shellcheck disable=SC2155
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local admin=$(grep -Eo '"acct":"[^"]+"' <<<"${json}" | cut -d: -f2 | sed 's/"//g')
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[[ -n "${admin}" ]] && echo "Admin: https://${instance}/users/${admin}"
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# shellcheck disable=SC2155
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local email=$(grep -Eo '"email":"[^"]+"' <<<"${json}" | cut -d: -f2)
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[[ -n "${email}" ]] && echo "E-Mail: ${email}"
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echo -n "Number of users: "
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grep -Eo '"user_count":[0-9]+' <<<"${json}" | cut -d: -f2
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if [[ "${implementation}" == "Mastodon" ]]; then
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echo "Further info, maybe: https://${instance}/about/more"
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fi
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else
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echo "Could not detect type of server."
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curl -I "https://${instance}/"
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fi
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echo "See also: https://fediverse.network/${instance}"
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}
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main "${1}"
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