177 lines
4.7 KiB
Bash
Executable File
177 lines
4.7 KiB
Bash
Executable File
#!/bin/sh
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#―――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――
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# Name: fedi2html.sh
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# Desc:
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# Reqs:
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# Date:
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#―――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――
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url_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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echo "$url" \
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| sed 's%.*/notice/%%'
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else
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echo "$url" \
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| sed 's%.*/@[[:alnum:]]*/%%'
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fi
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}
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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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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="/$api_request"
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fi
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local id="$(url_id "$url")"
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local server="$(url_server "$url")"
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curl --location --header 'Accept: application/json,application/activity+json' \
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"$server/api/v1/statuses/${id}${api_request}"
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}
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fetch_post_context() {
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local url="$1"
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statuses_api_request "$url" "context"
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}
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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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POST_TEMPLATE='
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<!DOCTYPE html>
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<html>
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<body>
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<link rel="stylesheet" href="comments.css" type="text/css">
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<article class="comment">
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<a class="user" href="$ACCOUNT_URL">
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<img class="avatar" src="$ACCOUNT_AVATAR">
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<strong class="username">$ACCOUNT_NAME</strong>
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<em class="useraddress">$ACCOUNT_ID</em>
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</a>
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<a class="address" href="$POST_URL">
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<time title="$POST_DATE">$(date --date=$POST_DATE)</time>
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</a>
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<section>
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$POST_CONTENT
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</section>
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<div class="attachments">
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$POST_ATTACHMENTS
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</div>
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</article>
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</body>
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</html>
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'
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ATTACH_TEMPLATE='
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<a href="$ATTACH_URL">
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<div class="attachment">
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<strong>$ATTACH_NAME</strong>
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$ATTACH_DESC
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</div>
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</a>'
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ATTACH_IMAGE_TEMPLATE='
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<figure>
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<a href="$ATTACH_URL">
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<img class="attachment" src="$ATTACH_URL" alt="$ATTACH_DESC" title="$ATTACH_DESC">
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</a>
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<figcaption>
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<a href="$ATTACH_URL"><b>$ATTACH_NAME</b></a><br>
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$(if test $(echo "$ATTACH_DESC" | wc -c) -gt 52; then
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echo $ATTACH_DESC | head -c 53 | sed 's%[[:space:]]*$%%'
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echo …
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else
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echo $ATTACH_DESC
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fi)
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</figcaption>
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</figure>
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'
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EMOJI_TEMPLATE='<img class="emoji" src="$EMOJI_URL" alt="$EMOJI_SHORTCODE" title="$EMOJI_SHORTCODE">'
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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 $emojis; do
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local EMOJI_URL="$(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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media_attachments() {
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local post_data="$1"
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local attachments="$(echo "$post_data" | jq -r '.media_attachments[]|(.type + "\t" + .url + "\t" + .description + "\t" + .preview_url)')"
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local IFS="
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"
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echo "$attachments" > /tmp/d
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for line in $attachments; do
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local ATTACH_TYPE="$(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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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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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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render_post() {
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local post_data="$1"
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local ACCOUNT_URL="$(echo "$post_data" | jq -r .account.url)"
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local ACCOUNT_ID="$(echo "$post_data" | jq -r .account.fqn)"
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local ACCOUNT_NAME="$(echo "$post_data" | jq -r .account.display_name | replace_emojis "$post_data")"
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local ACCOUNT_AVATAR="$(echo "$post_data" | jq -r .account.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 "$post_data")"
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env_subst "$POST_TEMPLATE"
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}
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