jadedctrl/fedi2html
jadedctrl/ fedi2html
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@ -70,151 +70,151 @@ fi
# Given a note’s JSON, render it as HTML. # Given a note’s JSON, render it as HTML.
# The most important part of the script! # The most important part of the script!
# render_post $post_data $context_data $tree_level # render_post $post_data $context_data $tree_level
render_post() ( render_post() {
post_data="$1" local post_data="$1"
responses_data="$2" local responses_data="$2"
POST_TREE_LEVEL="$3" local POST_TREE_LEVEL="$3"
reblog="" local reblog=""
acct_data="$(echo "$post_data" | jq -r .reblog.account)" local acct_data="$(echo "$post_data" | jq -r .reblog.account)"
if test "$acct_data" = "null"; then if test "$acct_data" = "null"; then
acct_data="$(echo "$post_data" | jq -r .account)" acct_data="$(echo "$post_data" | jq -r .account)"
else else
reblog="1" reblog="1"
fi fi
ACCOUNT_URL="$(echo "$acct_data" | jq -r .url)" local ACCOUNT_URL="$(echo "$acct_data" | jq -r .url)"
ACCOUNT_ID="$(echo "$acct_data" | jq -r .fqn)" local ACCOUNT_ID="$(echo "$acct_data" | jq -r .fqn)"
ACCOUNT_NAME="$(echo "$acct_data" | jq -r .display_name | replace_emojis "$acct_data")" local ACCOUNT_NAME="$(echo "$acct_data" | jq -r .display_name | replace_emojis "$acct_data")"
ACCOUNT_AVATAR="$(echo "$acct_data" | jq -r .avatar)" local ACCOUNT_AVATAR="$(echo "$acct_data" | jq -r .avatar)"
POST_URL="$(echo "$post_data" | jq -r .url)" local POST_URL="$(echo "$post_data" | jq -r .url)"
POST_DATE="$(echo "$post_data" | jq -r .created_at)" local POST_DATE="$(echo "$post_data" | jq -r .created_at)"
POST_CONTENT="$(echo "$post_data" | jq -r .content | replace_emojis "$post_data")" local POST_CONTENT="$(echo "$post_data" | jq -r .content | replace_emojis "$post_data")"
POST_ATTACHMENTS="$(media_attachments "$post_data")" local POST_ATTACHMENTS="$(media_attachments "$post_data")"
if test -z "$NO_RESPONSES"; then if test -z "$NO_RESPONSES"; then
POST_RESPONSES="$(render_responses "$post_data" "$responses_data" "$POST_TREE_LEVEL")" local POST_RESPONSES="$(render_responses "$post_data" "$responses_data" "$POST_TREE_LEVEL")"
fi fi
env_subst "$POST_TEMPLATE" env_subst "$POST_TEMPLATE"
) }
# Render a post’s responses one-by-one and recursively. # Render a post’s responses one-by-one and recursively.
# Each branch of the response tree will be rendered completely before proceeding # Each branch of the response tree will be rendered completely before proceeding
# to the next. # to the next.
# render_responses $post_data $context_data $tree_level # render_responses $post_data $context_data $tree_level
render_responses() ( render_responses() {
post_data="$1" local post_data="$1"
responses_data="$2" local responses_data="$2"
level="$3" local level="$3"
if test -z "$level"; then level=0; fi if test -z "$level"; then level=0; fi
id="$(echo "$post_data" | jq -r '.id')" local id="$(echo "$post_data" | jq -r '.id')"
responses="$(echo "$responses_data" | grep "in_reply_to_id.*$id")" local responses="$(echo "$responses_data" | grep "in_reply_to_id.*$id")"
IFS=" local IFS="
" "
for response in $responses; do for response in $responses; do
render_post "$response" "$responses_data" "$((level + 1))" render_post "$response" "$responses_data" "$(expr "$level" + 1)"
done done
) }
# Accepts a string over stdin; it will replace all emoji shortcodes along stdin # Accepts a string over stdin; it will replace all emoji shortcodes along stdin
# input with appropriate <img> HTML, based on $EMOJI_TEMPLATE, and based on # input with appropriate <img> HTML, based on $EMOJI_TEMPLATE, and based on
# a post’s JSON. # a post’s JSON.
# echo ":blobcat:" | replace_emojis $post_data # echo ":blobcat:" | replace_emojis $post_data
replace_emojis() ( replace_emojis() {
post_data="$1" local post_data="$1"
emojis="$(echo "$post_data" | jq -r '.emojis[]|(.url + "\t" + .shortcode)')" local emojis="$(echo "$post_data" | jq -r '.emojis[]|(.url + "\t" + .shortcode)')"
temp="$(mktemp)" local temp="$(mktemp)"
IFS=" local IFS="
" "
cat > "$temp" cat > "$temp"
for line in $emojis; do for line in $emojis; do
EMOJI_URL="$(echo "$line" | awk -F'\t' '{print $1}')" local EMOJI_URL="$(echo "$line" | awk -F'\t' '{print $1}')"
EMOJI_SHORTCODE="$(echo "$line" | awk -F'\t' '{print $2}')" local EMOJI_SHORTCODE="$(echo "$line" | awk -F'\t' '{print $2}')"
value="$(env_subst "$EMOJI_TEMPLATE")" local value="$(env_subst "$EMOJI_TEMPLATE")"
sed -i "s%:${EMOJI_SHORTCODE}:%${value}%g" "$temp" sed -i "s%:${EMOJI_SHORTCODE}:%${value}%g" "$temp"
done done
cat "$temp" cat "$temp"
rm "$temp" rm "$temp"
) }
# Given a post’s JSON data, return the appropriate HTML corresponding to its # Given a post’s JSON data, return the appropriate HTML corresponding to its
# media attachments, if any. Will return an empty string if none. # media attachments, if any. Will return an empty string if none.
# media_attachments $post_data # media_attachments $post_data
media_attachments() ( media_attachments() {
post_data="$1" local post_data="$1"
attachments="$(echo "$post_data" | jq -r '.media_attachments[]|(.type + "\t" + .url + "\t" + .description + "\t" + .preview_url)')" local attachments="$(echo "$post_data" | jq -r '.media_attachments[]|(.type + "\t" + .url + "\t" + .description + "\t" + .preview_url)')"
IFS=" local IFS="
" "
for line in $attachments; do for line in $attachments; do
ATTACH_TYPE="$(echo "$line" | awk -F'\t' '{print $1}')" local ATTACH_TYPE="$(echo "$line" | awk -F'\t' '{print $1}')"
ATTACH_URL="$(echo "$line" | awk -F'\t' '{print $2}')" local ATTACH_URL="$(echo "$line" | awk -F'\t' '{print $2}')"
ATTACH_DESC="$(echo "$line" | awk -F'\t' '{print $3}')" local ATTACH_DESC="$(echo "$line" | awk -F'\t' '{print $3}')"
ATTACH_PREVIEW="$(echo "$line" | awk -F'\t' '{print $4}')" local ATTACH_PREVIEW="$(echo "$line" | awk -F'\t' '{print $4}')"
ATTACH_NAME="$(basename "$ATTACH_URL")" local ATTACH_NAME="$(basename "$ATTACH_URL")"
if test "$ATTACH_TYPE" = "image"; then if test "$ATTACH_TYPE" = "image"; then
env_subst "$ATTACH_IMAGE_TEMPLATE" env_subst "$ATTACH_IMAGE_TEMPLATE"
else else
env_subst "$ATTACH_TEMPLATE" env_subst "$ATTACH_TEMPLATE"
fi fi
done done
) }
# Pass a post’s context JSON along stdin; out comes the response_data in JSON. # Pass a post’s context JSON along stdin; out comes the response_data in JSON.
# fetch_post_context $url | context_to_responses # fetch_post_context $url | context_to_responses
context_to_responses() ( context_to_responses() {
jq '.descendants' 2> /dev/null \ jq '.descendants' 2> /dev/null \
| jq 'sort_by(.created_at)' \ | jq 'sort_by(.created_at)' \
| maybe_jq_reverse \ | maybe_jq_reverse \
| jq -cr '.[]' | jq -cr '.[]'
) }
# Make a request to the /api/v1/statuses/:id/$request API endpoint. # Make a request to the /api/v1/statuses/:id/$request API endpoint.
# statuses_api_request $post_url $request # statuses_api_request $post_url $request
statuses_api_request() ( statuses_api_request() {
post_url="$1" local post_url="$1"
api_request="$2" local api_request="$2"
if test -n "$api_request"; then if test -n "$api_request"; then
api_request="/$api_request" api_request="/$api_request"
fi fi
id="$(url_post_id "$post_url")" local id="$(url_post_id "$post_url")"
server="$(url_server "$post_url")" local server="$(url_server "$post_url")"
curl --retry 3 --retry-delay 5 \ curl --retry 3 --retry-delay 5 \
--location --header 'Accept: application/json,application/activity+json' \ --location --header 'Accept: application/json,application/activity+json' \
"${server}/api/v1/statuses/${id}${api_request}" "${server}/api/v1/statuses/${id}${api_request}"
) }
# Require the context-JSON of a post, by URL. # Require the context-JSON of a post, by URL.
# fetch_post_context $url # fetch_post_context $url
fetch_post_context() ( fetch_post_context() {
url="$1" local url="$1"
statuses_api_request "$url" "context" \ statuses_api_request "$url" "context" \
| context_to_responses | context_to_responses
) }
# Given a post URL, request its JSON. # Given a post URL, request its JSON.
# fetch_post $url # fetch_post $url
fetch_post() ( fetch_post() {
url="$1" local url="$1"
statuses_api_request "$url" statuses_api_request "$url"
) }
# Given a user-account URL, request JSON of its posts. # Given a user-account URL, request JSON of its posts.
# fetch_post $url # fetch_post $url
fetch_user_posts() ( fetch_user_posts() {
url="$1" local url="$1"
server="$(url_server "$url")" local server="$(url_server "$url")"
status_url="$server/api/v1/accounts/$(url_user_id "$url")/statuses" local status_url="$server/api/v1/accounts/$(url_user_id "$url")/statuses"
status_url="${status_url}?exclude_reblogs=${EXCLUDE_REBLOGS}&limit=$MAX_POSTS" status_url="${status_url}?exclude_reblogs=${EXCLUDE_REBLOGS}&limit=$MAX_POSTS"
status_url="${status_url}&exclude_replies=${EXCLUDE_REPLIES}$TAG_FILTER" status_url="${status_url}&exclude_replies=${EXCLUDE_REPLIES}$TAG_FILTER"
@ -222,13 +222,13 @@ fetch_user_posts() (
--location --header 'Accept: application/json,application/activity+json' \ --location --header 'Accept: application/json,application/activity+json' \
"$status_url" \ "$status_url" \
| jq -c '.[]' | jq -c '.[]'
) }
# Return the ID of a user, based on its URL. # Return the ID of a user, based on its URL.
# url_user_id $url # url_user_id $url
url_user_id() ( url_user_id() {
url="$1" local url="$1"
# Pleroma-style URLs: https://jam.xwx.moe/users/Tirifto # Pleroma-style URLs: https://jam.xwx.moe/users/Tirifto
# Mastodon-style URLs: https://esperanto.masto.host/@jubiloEO # Mastodon-style URLs: https://esperanto.masto.host/@jubiloEO
if echo "$url" | grep "/users/" > /dev/null; then if echo "$url" | grep "/users/" > /dev/null; then
@ -241,13 +241,13 @@ url_user_id() (
else else
return 1 return 1
fi fi
) }
# Return the ID of a post, based on its URL. # Return the ID of a post, based on its URL.
# url_post_id $url # url_post_id $url
url_post_id() ( url_post_id() {
url="$1" local url="$1"
# Pleroma-style URLs: https://jam.xwx.moe/notice/Ac6PIZAP0ZzkMTYBBg # Pleroma-style URLs: https://jam.xwx.moe/notice/Ac6PIZAP0ZzkMTYBBg
# Mastodon-style URLs: https://esperanto.masto.host/@minjo/111461250815264185 # Mastodon-style URLs: https://esperanto.masto.host/@minjo/111461250815264185
if echo "$url" | grep "/notice/" > /dev/null; then if echo "$url" | grep "/notice/" > /dev/null; then
@ -259,29 +259,29 @@ url_post_id() (
else else
return 1 return 1
fi fi
) }
# Return the server (including protocol) of a post, based on its URL. # Return the server (including protocol) of a post, based on its URL.
# url_server $url # url_server $url
url_server() ( url_server() {
url="$1" local url="$1"
protocol="$(echo "$url" | grep --only-matching '[[:alnum:]]*://')" local protocol="$(echo "$url" | grep --only-matching '[[:alnum:]]*://')"
printf '%s' "$protocol" printf "$protocol"
echo "$url" \ echo "$url" \
| sed 's%^'"$protocol"'%%' \ | sed 's%^'"$protocol"'%%' \
| sed 's%/.*%%' | sed 's%/.*%%'
) }
# Sanitize a template-string. # Sanitize a template-string.
# AKA, escape quotation-marks. # AKA, escape quotation-marks.
# prep_template $template # prep_template $template
prep_template() ( prep_template() {
template="$1" local template="$1"
echo "$template" \ echo "$template" \
| sed 's%\"%\\\"%g' | sed 's%\"%\\\"%g'
) }
# Rough replacement for gettext’s envsubst. Safe! # Rough replacement for gettext’s envsubst. Safe!
@ -291,37 +291,37 @@ prep_template() (
# variables’ contents (AKA, post contents) aren’t evaluated. # variables’ contents (AKA, post contents) aren’t evaluated.
# env_subst $template # env_subst $template
# env_subst "$SHELL" → "/bin/sh" # env_subst "$SHELL" → "/bin/sh"
env_subst() ( env_subst() {
template="$1" local template="$1"
eval "echo \"$(prep_template "$template")\"" eval "echo \"$(prep_template "$template")\""
) }
# Based on the environment variable $REVERSE_ORDER (whether or not user provided # Based on the environment variable $REVERSE_ORDER (whether or not user provided
# the -I flag), reverse the JSON array over stdin. # the -I flag), reverse the JSON array over stdin.
# This is used to enable/disable reverse-chronological order of posts. # This is used to enable/disable reverse-chronological order of posts.
# fetch_context $url | jq '.descendants' | maybe_jq_reverse # fetch_context $url | jq '.descendants' | maybe_jq_reverse
maybe_jq_reverse() ( maybe_jq_reverse() {
input="$(cat)" local input="$(cat)"
if test -n "$REVERSE_ORDER"; then if test -n "$REVERSE_ORDER"; then
echo "$input" \ echo "$input" \
| jq 'reverse' | jq 'reverse'
else else
echo "$input" echo "$input"
fi fi
) }
# Render a user’s posts, one-by-one, taking into account cli arguments. # Render a user’s posts, one-by-one, taking into account cli arguments.
# handle_user_url https://jam.xwx.moe/users/tirifto # handle_user_url https://jam.xwx.moe/users/tirifto
handle_user_url() ( handle_user_url() {
url="$1" local url="$1"
user_posts="$(fetch_user_posts "$url")" local user_posts="$(fetch_user_posts "$url")"
IFS=" local IFS="
" "
echo "$user_posts" > jadedctrl.json echo "$user_posts" > jadedctrl.json
for post in $user_posts; do for post in $user_posts; do
url="$(echo "$post" | jq -r '.url')" local url="$(echo "$post" | jq -r '.url')"
if test -z "$NO_RESPONSES"; then if test -z "$NO_RESPONSES"; then
context="$(fetch_post_context "$url")" context="$(fetch_post_context "$url")"
if test -n "$NO_PARENT"; then if test -n "$NO_PARENT"; then
@ -333,24 +333,24 @@ handle_user_url() (
render_post "$post" "" 0 render_post "$post" "" 0
fi fi
done done
) }
# Render a post and/or its responses, taking into account cli arguments. # Render a post and/or its responses, taking into account cli arguments.
handle_post_url() ( handle_post_url() {
url="$1" local url="$1"
post="$(fetch_post "$url")" local post="$(fetch_post "$url")"
context="$(fetch_post_context "$url")" local context="$(fetch_post_context "$url")"
if test -n "$NO_PARENT"; then if test -n "$NO_PARENT"; then
render_responses "$post" "$context" 0 render_responses "$post" "$context" 0
else else
render_post "$post" "$context" 0 render_post "$post" "$context" 0
fi fi
) }
usage() ( usage() {
echo "usage: $(basename "$0") [-h] [-IRc] POST_URL" echo "usage: $(basename "$0") [-h] [-IRc] POST_URL"
echo " $(basename "$0") [-h] [-IRcbBt] [-m MAX] USER_URL" echo " $(basename "$0") [-h] [-IRcbBt] [-m MAX] USER_URL"
echo echo
@ -396,7 +396,7 @@ usage() (
echo 'See the first few lines of fedi2html for the default (example)' echo 'See the first few lines of fedi2html for the default (example)'
echo 'template values; see the README for a more detailed description' echo 'template values; see the README for a more detailed description'
echo 'of these variables’ meanings.' echo 'of these variables’ meanings.'
) }
TAG_FILTER="" TAG_FILTER=""
@ -432,8 +432,6 @@ while getopts 'hcIRt:bm:B' arg; do
B) B)
EXCLUDE_REPLIES="true" EXCLUDE_REPLIES="true"
;; ;;
*)
;;
esac esac
done done