Compare commits
No commits in common. "8ca6350ddaa28e266a914126342983562e37df3d" and "d312272794c77aa1a931ad41329c12b0ff6d4382" have entirely different histories.
8ca6350dda
...
d312272794
194
fedi2html
194
fedi2html
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@ -70,151 +70,151 @@ fi
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# Given a note’s JSON, render it as HTML.
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# The most important part of the script!
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# render_post $post_data $context_data $tree_level
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render_post() (
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post_data="$1"
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responses_data="$2"
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POST_TREE_LEVEL="$3"
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render_post() {
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local post_data="$1"
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local responses_data="$2"
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local POST_TREE_LEVEL="$3"
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reblog=""
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acct_data="$(echo "$post_data" | jq -r .reblog.account)"
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local reblog=""
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local acct_data="$(echo "$post_data" | jq -r .reblog.account)"
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if test "$acct_data" = "null"; then
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acct_data="$(echo "$post_data" | jq -r .account)"
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else
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reblog="1"
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fi
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ACCOUNT_URL="$(echo "$acct_data" | jq -r .url)"
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ACCOUNT_ID="$(echo "$acct_data" | jq -r .fqn)"
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ACCOUNT_NAME="$(echo "$acct_data" | jq -r .display_name | replace_emojis "$acct_data")"
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ACCOUNT_AVATAR="$(echo "$acct_data" | jq -r .avatar)"
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POST_URL="$(echo "$post_data" | jq -r .url)"
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POST_DATE="$(echo "$post_data" | jq -r .created_at)"
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POST_CONTENT="$(echo "$post_data" | jq -r .content | replace_emojis "$post_data")"
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POST_ATTACHMENTS="$(media_attachments "$post_data")"
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local ACCOUNT_URL="$(echo "$acct_data" | jq -r .url)"
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local ACCOUNT_ID="$(echo "$acct_data" | jq -r .fqn)"
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local ACCOUNT_NAME="$(echo "$acct_data" | jq -r .display_name | replace_emojis "$acct_data")"
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local ACCOUNT_AVATAR="$(echo "$acct_data" | jq -r .avatar)"
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local POST_URL="$(echo "$post_data" | jq -r .url)"
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local POST_DATE="$(echo "$post_data" | jq -r .created_at)"
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local POST_CONTENT="$(echo "$post_data" | jq -r .content | replace_emojis "$post_data")"
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local POST_ATTACHMENTS="$(media_attachments "$post_data")"
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if test -z "$NO_RESPONSES"; then
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POST_RESPONSES="$(render_responses "$post_data" "$responses_data" "$POST_TREE_LEVEL")"
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local POST_RESPONSES="$(render_responses "$post_data" "$responses_data" "$POST_TREE_LEVEL")"
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fi
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env_subst "$POST_TEMPLATE"
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)
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}
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# Render a post’s responses one-by-one and recursively.
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# Each branch of the response tree will be rendered completely before proceeding
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# to the next.
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# render_responses $post_data $context_data $tree_level
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render_responses() (
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post_data="$1"
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responses_data="$2"
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level="$3"
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render_responses() {
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local post_data="$1"
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local responses_data="$2"
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local level="$3"
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if test -z "$level"; then level=0; fi
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id="$(echo "$post_data" | jq -r '.id')"
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responses="$(echo "$responses_data" | grep "in_reply_to_id.*$id")"
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IFS="
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local id="$(echo "$post_data" | jq -r '.id')"
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local responses="$(echo "$responses_data" | grep "in_reply_to_id.*$id")"
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local IFS="
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"
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for response in $responses; do
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render_post "$response" "$responses_data" "$((level + 1))"
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render_post "$response" "$responses_data" "$(expr "$level" + 1)"
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done
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)
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}
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# Accepts a string over stdin; it will replace all emoji shortcodes along stdin
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# input with appropriate <img> HTML, based on $EMOJI_TEMPLATE, and based on
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# a post’s JSON.
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# echo ":blobcat:" | replace_emojis $post_data
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replace_emojis() (
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post_data="$1"
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emojis="$(echo "$post_data" | jq -r '.emojis[]|(.url + "\t" + .shortcode)')"
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temp="$(mktemp)"
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IFS="
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replace_emojis() {
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local post_data="$1"
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local emojis="$(echo "$post_data" | jq -r '.emojis[]|(.url + "\t" + .shortcode)')"
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local temp="$(mktemp)"
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local IFS="
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"
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cat > "$temp"
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for line in $emojis; do
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EMOJI_URL="$(echo "$line" | awk -F'\t' '{print $1}')"
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EMOJI_SHORTCODE="$(echo "$line" | awk -F'\t' '{print $2}')"
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value="$(env_subst "$EMOJI_TEMPLATE")"
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local EMOJI_URL="$(echo "$line" | awk -F'\t' '{print $1}')"
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local EMOJI_SHORTCODE="$(echo "$line" | awk -F'\t' '{print $2}')"
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local value="$(env_subst "$EMOJI_TEMPLATE")"
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sed -i "s%:${EMOJI_SHORTCODE}:%${value}%g" "$temp"
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done
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cat "$temp"
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rm "$temp"
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)
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}
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# Given a post’s JSON data, return the appropriate HTML corresponding to its
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# media attachments, if any. Will return an empty string if none.
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# media_attachments $post_data
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media_attachments() (
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post_data="$1"
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attachments="$(echo "$post_data" | jq -r '.media_attachments[]|(.type + "\t" + .url + "\t" + .description + "\t" + .preview_url)')"
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IFS="
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media_attachments() {
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local post_data="$1"
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local attachments="$(echo "$post_data" | jq -r '.media_attachments[]|(.type + "\t" + .url + "\t" + .description + "\t" + .preview_url)')"
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local IFS="
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"
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for line in $attachments; do
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ATTACH_TYPE="$(echo "$line" | awk -F'\t' '{print $1}')"
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ATTACH_URL="$(echo "$line" | awk -F'\t' '{print $2}')"
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ATTACH_DESC="$(echo "$line" | awk -F'\t' '{print $3}')"
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ATTACH_PREVIEW="$(echo "$line" | awk -F'\t' '{print $4}')"
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ATTACH_NAME="$(basename "$ATTACH_URL")"
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local ATTACH_TYPE="$(echo "$line" | awk -F'\t' '{print $1}')"
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local ATTACH_URL="$(echo "$line" | awk -F'\t' '{print $2}')"
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local ATTACH_DESC="$(echo "$line" | awk -F'\t' '{print $3}')"
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local ATTACH_PREVIEW="$(echo "$line" | awk -F'\t' '{print $4}')"
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local ATTACH_NAME="$(basename "$ATTACH_URL")"
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if test "$ATTACH_TYPE" = "image"; then
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env_subst "$ATTACH_IMAGE_TEMPLATE"
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else
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env_subst "$ATTACH_TEMPLATE"
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fi
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done
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)
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}
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# Pass a post’s context JSON along stdin; out comes the response_data in JSON.
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# fetch_post_context $url | context_to_responses
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context_to_responses() (
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context_to_responses() {
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jq '.descendants' 2> /dev/null \
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| jq 'sort_by(.created_at)' \
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| maybe_jq_reverse \
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| jq -cr '.[]'
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)
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}
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# Make a request to the /api/v1/statuses/:id/$request API endpoint.
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# statuses_api_request $post_url $request
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statuses_api_request() (
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post_url="$1"
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api_request="$2"
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statuses_api_request() {
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local post_url="$1"
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local api_request="$2"
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if test -n "$api_request"; then
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api_request="/$api_request"
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fi
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id="$(url_post_id "$post_url")"
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server="$(url_server "$post_url")"
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local id="$(url_post_id "$post_url")"
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local server="$(url_server "$post_url")"
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curl --retry 3 --retry-delay 5 \
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--location --header 'Accept: application/json,application/activity+json' \
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"${server}/api/v1/statuses/${id}${api_request}"
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)
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}
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# Require the context-JSON of a post, by URL.
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# fetch_post_context $url
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fetch_post_context() (
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url="$1"
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fetch_post_context() {
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local url="$1"
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statuses_api_request "$url" "context" \
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| context_to_responses
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)
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}
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# Given a post URL, request its JSON.
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# fetch_post $url
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fetch_post() (
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url="$1"
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fetch_post() {
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local url="$1"
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statuses_api_request "$url"
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)
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}
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# Given a user-account URL, request JSON of its posts.
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# fetch_post $url
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fetch_user_posts() (
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url="$1"
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server="$(url_server "$url")"
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status_url="$server/api/v1/accounts/$(url_user_id "$url")/statuses"
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fetch_user_posts() {
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local url="$1"
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local server="$(url_server "$url")"
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local status_url="$server/api/v1/accounts/$(url_user_id "$url")/statuses"
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status_url="${status_url}?exclude_reblogs=${EXCLUDE_REBLOGS}&limit=$MAX_POSTS"
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status_url="${status_url}&exclude_replies=${EXCLUDE_REPLIES}$TAG_FILTER"
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@ -222,13 +222,13 @@ fetch_user_posts() (
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--location --header 'Accept: application/json,application/activity+json' \
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"$status_url" \
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| jq -c '.[]'
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)
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}
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# Return the ID of a user, based on its URL.
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# url_user_id $url
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url_user_id() (
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url="$1"
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url_user_id() {
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local url="$1"
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# Pleroma-style URLs: https://jam.xwx.moe/users/Tirifto
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# Mastodon-style URLs: https://esperanto.masto.host/@jubiloEO
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if echo "$url" | grep "/users/" > /dev/null; then
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@ -241,13 +241,13 @@ url_user_id() (
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else
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return 1
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fi
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)
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}
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# Return the ID of a post, based on its URL.
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# url_post_id $url
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url_post_id() (
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url="$1"
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url_post_id() {
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local url="$1"
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# Pleroma-style URLs: https://jam.xwx.moe/notice/Ac6PIZAP0ZzkMTYBBg
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# Mastodon-style URLs: https://esperanto.masto.host/@minjo/111461250815264185
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if echo "$url" | grep "/notice/" > /dev/null; then
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@ -259,29 +259,29 @@ url_post_id() (
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else
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return 1
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fi
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)
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}
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# Return the server (including protocol) of a post, based on its URL.
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# url_server $url
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url_server() (
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url="$1"
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protocol="$(echo "$url" | grep --only-matching '[[:alnum:]]*://')"
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printf '%s' "$protocol"
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url_server() {
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local url="$1"
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local protocol="$(echo "$url" | grep --only-matching '[[:alnum:]]*://')"
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printf "$protocol"
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echo "$url" \
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| sed 's%^'"$protocol"'%%' \
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| sed 's%/.*%%'
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)
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}
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# Sanitize a template-string.
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# AKA, escape quotation-marks.
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# prep_template $template
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prep_template() (
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template="$1"
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prep_template() {
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local template="$1"
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echo "$template" \
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| sed 's%\"%\\\"%g'
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)
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}
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# Rough replacement for gettext’s envsubst. Safe!
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@ -291,37 +291,37 @@ prep_template() (
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# variables’ contents (AKA, post contents) aren’t evaluated.
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# env_subst $template
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# env_subst "$SHELL" → "/bin/sh"
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env_subst() (
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template="$1"
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env_subst() {
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local template="$1"
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eval "echo \"$(prep_template "$template")\""
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)
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}
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# Based on the environment variable $REVERSE_ORDER (whether or not user provided
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# the -I flag), reverse the JSON array over stdin.
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# This is used to enable/disable reverse-chronological order of posts.
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# fetch_context $url | jq '.descendants' | maybe_jq_reverse
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maybe_jq_reverse() (
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input="$(cat)"
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maybe_jq_reverse() {
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local input="$(cat)"
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if test -n "$REVERSE_ORDER"; then
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echo "$input" \
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| jq 'reverse'
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else
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echo "$input"
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fi
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)
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}
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# Render a user’s posts, one-by-one, taking into account cli arguments.
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# handle_user_url https://jam.xwx.moe/users/tirifto
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handle_user_url() (
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url="$1"
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user_posts="$(fetch_user_posts "$url")"
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IFS="
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handle_user_url() {
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local url="$1"
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local user_posts="$(fetch_user_posts "$url")"
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local IFS="
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"
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echo "$user_posts" > jadedctrl.json
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for post in $user_posts; do
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url="$(echo "$post" | jq -r '.url')"
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local url="$(echo "$post" | jq -r '.url')"
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if test -z "$NO_RESPONSES"; then
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context="$(fetch_post_context "$url")"
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if test -n "$NO_PARENT"; then
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@ -333,24 +333,24 @@ handle_user_url() (
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render_post "$post" "" 0
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fi
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done
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)
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}
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# Render a post and/or its responses, taking into account cli arguments.
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handle_post_url() (
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url="$1"
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post="$(fetch_post "$url")"
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context="$(fetch_post_context "$url")"
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handle_post_url() {
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local url="$1"
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local post="$(fetch_post "$url")"
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local context="$(fetch_post_context "$url")"
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if test -n "$NO_PARENT"; then
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render_responses "$post" "$context" 0
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else
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render_post "$post" "$context" 0
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fi
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)
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}
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usage() (
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usage() {
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echo "usage: $(basename "$0") [-h] [-IRc] POST_URL"
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echo " $(basename "$0") [-h] [-IRcbBt] [-m MAX] USER_URL"
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echo
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@ -396,7 +396,7 @@ usage() (
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echo 'See the first few lines of fedi2html for the default (example)'
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echo 'template values; see the README for a more detailed description'
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echo 'of these variables’ meanings.'
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)
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}
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TAG_FILTER=""
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@ -432,8 +432,6 @@ while getopts 'hcIRt:bm:B' arg; do
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B)
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EXCLUDE_REPLIES="true"
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;;
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*)
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;;
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esac
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done
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