commit 8e1338b29216b0e6446d5d93b4447f1d53f9dfa3
Author: zakaria <58356365+e-zk@users.noreply.github.com>
Date: Thu, 25 Feb 2021 16:57:50 +1000
add initial files
Diffstat:
| A | common.rc | | | 76 | ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| A | rss.sh | | | 81 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| A | update.sh | | | 121 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
3 files changed, 278 insertions(+), 0 deletions(-)
diff --git a/common.rc b/common.rc
@@ -0,0 +1,75 @@
+#!/bin/sh
+
+#
+# common variables
+#
+
+# site metadata
+fqdn=zakaria.org
+base_url="https://${fqdn}"
+onion_url="http://g5hwwozzm3co43bu6np2noyhsju7zuok3cqawlbeo4entvfoads5trqd.onion/"
+site_name="zakaria's web log"
+
+# paths
+posts_dir="${HOME}/usr/src/www/blog/posts"
+posts_index=${posts_dir}/index.html
+
+# options for lowdown
+lowdown_opts='--html-no-escapehtml --html-no-skiphtml'
+
+# feed location
+rss_feed=rss.xml
+
+
+#
+# common functions
+#
+
+# log to stderr
+log() {
+ printf '%s: %s\n' "$(basename $0)" "$1" >&2
+}
+
+# ded af
+die() {
+ log "$1"
+ exit 1
+}
+
+# is $1 in the list of excluded files?
+is_excluded() {
+ case "$1" in
+ index.*) return 0 ;;
+ *) return 1 ;;
+ esac
+ return 1
+}
+
+# run lowdown on some input
+# $1 - markdown input
+run_lowdown() {
+ echo "$@" | lowdown -Thtml ${lowdown_opts}
+}
+
+# separate a filename into parsable chunks (date:title)
+# $1 - filename (basename)
+parse_fname() {
+ echo "$1" | \
+ sed 's/\([0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9]\)-\(.*\)\..*/\1:\2/g'
+}
+
+# get title from markdown file
+# $1 - markdown file (path)
+md_title() {
+ head -n 1 "$1" | sed 's/#\ \(.*\)/\1/g'
+}
+
+# convert markdown to plaintext:
+# remove code, links, use image alt-text
+# input is stdin
+md_to_txt() {
+ sed -E \
+ -e 's/`//g' \
+ -e 's/!\[(.+)\]\(.+\)/\[img "\1"\]/g' \
+ -e 's/\[(.+)\]\(.+\)/\1/g'
+}
+\ No newline at end of file
diff --git a/rss.sh b/rss.sh
@@ -0,0 +1,81 @@
+#!/bin/sh
+# rss feed generator
+
+
+. ${XDG_CONFIG_HOME:-${HOME}/.config}/shite/common.rc
+
+exclude_fnames="${exclude_fnames:-index.html index.md}"
+rss_baseurl="${base_url}/"
+rss_title="${site_name}"
+rss_link="${base_url}/posts/"
+
+# convert input date to RFC2822
+# time and tz are set to 00:00:00 +0000
+# $1 - input date
+to_rfc2822() {
+ date="$1"
+ format="%F"
+ rfc2822="+%a, %d %b %Y 00:00:00 +0000"
+
+ # if on Linux, use GNU date syntax
+ if [ "$(uname)" = "Linux" ]; then
+ date -d "$date" "$rfc2822"
+ else
+ date -j -f "$format" "$date" "$rfc2822"
+ fi
+}
+
+rss_preamble() {
+ printf '<rss version="2.0" xml:base="%s">\n' "$rss_baseurl"
+ printf '<channel>\n'
+ printf '<title>%s</title>\n' "$rss_title"
+ printf '<description/>\n' # TODO add description?
+ printf '<link>%s</link>\n' "$rss_link"
+}
+
+rss_postamble() {
+ printf '</channel>\n'
+ printf '</rss>\n'
+}
+
+# remove markdown from title
+remove_md() {
+ sed 's/`//g'
+}
+
+reverse_posts() {
+ break=0
+ posts=''
+ for file in ${posts_dir}/*.html; do
+ base="$(basename "$file")"
+ for ex in ${exclude_fnames}; do
+ [ "$base" = "$ex" ] && break=1
+ done
+ [ "$break" -eq 1 ] && continue
+ posts="${posts}\\n${file}"
+ done
+ echo "$posts" | tail -r
+}
+
+rss_preamble
+for file in $(reverse_posts); do
+ post_bname="$(basename "$file")"
+ md="${file%%.*}.md"
+
+ parsed="$(parse_fname "$post_bname")"
+
+ post_date="$(to_rfc2822 "${parsed%%:*}")"
+ post_title="$(md_title "$md" | remove_md)"
+
+ log "adding \"${post_title}\" @ ${post_date}..."
+
+ printf '<item>\n'
+ printf '<link>%s/posts/%s</link>\n' "$base_url" "$post_bname"
+ printf '<title>%s</title>\n' "$post_title"
+ printf '<pubDate>%s</pubDate>\n' "$post_date"
+ printf '<description>\n'
+ lowdown ${lowdown_opts} "$md"
+ printf '</description>\n'
+ printf '</item>\n'
+done
+rss_postamble
diff --git a/update.sh b/update.sh
@@ -0,0 +1,121 @@
+#!/bin/sh
+
+. ${XDG_CONFIG_HOME:-${HOME}/.config}/shite/common.rc
+
+
+remove_title() {
+ awk '{
+ if (!(FNR==1) && !($0 ~ /^#.*\n/))
+ print $0
+ }'
+}
+
+gen_desc() {
+ post_file="$1"
+ head -n 3 "$post_file" | sed -e '/#.*/d' -e '/^$/d' | md_to_txt | tr -d '\n' | sed -e 's/\ *$//'
+ printf ' [...]'
+}
+
+gen_head() {
+ page_file="$1"
+ page_title="$2"
+
+ post_bname="$(basename "$page_file")"
+
+ page_url="${base_url}/posts/${post_bname%%.*}.html"
+ page_desc="$(gen_desc "$page_file")"
+
+ printf '<head>\n'
+ printf '<meta http-equiv="content-type" content="text/html; charset=utf-8">\n'
+ printf '<meta name="viewport" content="width=device-width, initial-scale=1">\n'
+ printf '<meta name="theme-color" content="#101010">\n'
+ printf '<meta property="og:title" content="%s">\n' "${page_title:-${site_name}}"
+ printf '<meta property="og:description" content="%s">\n' "${page_desc}"
+ printf '<meta property="og:url" content="%s">\n' "$page_url"
+ printf '<meta property="og:type" content="article">\n'
+ printf '<link rel="icon" href="/favicon.svg">\n'
+ printf '<link rel="alternate icon" href="/favicon.ico">\n'
+ printf '<link rel="stylesheet" href="/style.css">\n'
+
+ if [ -n "$page_title" ]; then
+ printf '<title>%s - %s</title>\n' "$page_title" "$site_name"
+ else
+ printf '<title>%s</title>\n' "$site_name"
+ fi
+
+ printf '</head>\n'
+}
+
+gen_nav() {
+ printf '<header>\n'
+ printf '<nav>\n'
+ printf '<a href="%s">%s</a>\n' "/" "$fqdn"
+ printf '<span class="right">\n'
+ printf '<a href="/posts/">blog</a> \n'
+ printf '<a href="/lists/">lists</a> \n'
+ printf '<a href="/about.html">about</a>\n'
+ printf '</span>'
+ printf '</nav>\n'
+ printf '</header>\n'
+}
+
+gen_footer() {
+ post_path="$1"
+
+ post_pt="$(basename "${post_path%%.*}.md")"
+
+ printf '<footer>\n'
+ printf '<a href="%s/%s">plaintext</a> <a href="%s">onion</a>\n' "$base_url" "$post_pt" "$onion_url"
+ printf '<span class="right">(c) zakaria <a href="https://creativecommons.org/licenses/by-sa/4.0/">cc by-sa</a></span>\n'
+ printf '</footer>\n'
+}
+
+gen_info() {
+ post_created="$1"
+ post_modified="$2"
+
+ printf '<p class="info">\n'
+ printf 'created: %s<br>\n' "$post_created"
+ printf 'modified: %s<br>\n' "$post_modified"
+ printf '</p>\n'
+}
+
+gen_post() {
+ post_file="$1"
+
+ post_title_md="$(head -n 1 < "$post_file")"
+ post_title_html="$(run_lowdown "$post_title_md")"
+ post_content="$(run_lowdown "$(cat "$post_file" | remove_title)")"
+
+ post_date_parsed="$(parse_fname "${post_file##*/}")"
+
+ printf '<!DOCTYPE html>\n'
+ printf '<html lang="en">\n'
+ gen_head "$post_file" "$(echo "$post_title_md" | sed -E -e 's/^#\ (.*)/\1/g')"
+ printf '<body>\n'
+ gen_nav
+ printf '<main>\n'
+ printf '%s\n' "$post_title_html"
+ printf '%s\n\n' "$(gen_info "${post_date_parsed%%:*}" "$(date '+%F')")"
+ printf '%s\n' "$post_content"
+ gen_footer
+ printf '</main>\n'
+ printf '</body>\n'
+ printf '</html>\n'
+}
+
+for post in ${posts_dir}/*.md; do
+ post_html="${post%%.*}.html"
+
+ # if the html for this .md exists; do not include in list
+ if [ -f "$post_html" ]; then
+ continue
+ fi
+
+ if is_excluded "$(basename "$post")"; then
+ continue
+ fi
+
+ log "adding "$post"..."
+ gen_post "$post" > "$post_html"
+done
