sitoctt/Scripts/ListedDownsync.js

229 lines
6.9 KiB
JavaScript
Executable File

#!/usr/bin/env -S node --experimental-fetch
const fs = require('fs');
const JSDOM = require('jsdom').JSDOM;
const ConfigParser = require("./Lib/config-ini-parser").ConfigIniParser;
const BlogURL = 'https://listed.to/@u8'; // Full base URL of the Listed blog (any server)
const SiteName = 'sitoctt';
//const DefaultMode = 'Include' // 'Include' or 'Exclude' | Not implemented
const PostsFileDate = true; // Append dates (YYYY-MM-DD) to posts file names
const Replacements = { // Format: { ReplaceWithString: [ToFindString] }
"<a href=\"[staticoso:CustomPath:Assets]/": "<a href=\"https://sitoctt-assets.octt.eu.org/",
"<img src=\"[staticoso:CustomPath:Assets]/": "<img src=\"https://sitoctt-assets.octt.eu.org/",
// TODO: Fix anchor rels
};
const MetadataBlockSelect = '.MetadataBlock, .MetadataBlock + :Where(Div, Pre, Code)';
const ExtractCodeBlockSelect = '.ExtractCodeBlock, .ExtractCodeBlock + :Where(Div, Pre, Code)';
const TryReadFileSync = Path => {
if (fs.existsSync(Path)) {
return fs.readFileSync(Path, 'utf8');
};
};
const TryMkdirSync = Path => {
if (!fs.existsSync(Path)) {
return fs.mkdirSync(Path, {recursive: true});
};
};
const GetPath = URL => {
if (URL.startsWith('http://') || URL.startsWith('https://')) {
URL = URL.split('/').slice(3).join('/');
};
return URL;
};
const GetFragHTML = Frag => {
let Dom = new JSDOM('<body></body>');
Dom.window.document.body.appendChild(Frag);
return Dom.window.document.body.innerHTML;
};
const CheckDoDownsync = File => {
let DoDownsync = true;
const TryFile = TryReadFileSync(File);
if (TryFile) {
const Lines = TryFile.trim().toLowerCase().split('\n');
for (let i=0; i<Lines.length; i++) {
const Line = Lines[i].trim().replaceAll(' ', ' ').replaceAll(':', ' : ').replaceAll('=', ' = ');
if (Line.startsWith('// ')) {
const Tokens = Line.split(' ').filter(i => {return i != ''});
if (Tokens[1] == '%' && Tokens[2] == 'downsync' && [':', '='].includes(Tokens[3]) && ['false', 'disabled', 'off', 'no'].includes(Tokens[4])) {
DoDownsync = false;
break;
};
};
};
};
return DoDownsync;
};
const GetLinkElem = Dom => {
let Elem;
Elem = Dom.querySelector(`.Mirror-${SiteName}`);
if (!Elem) {
Elem = Dom.querySelector(`.Mirror-${SiteName}-Include`);
};
return Elem;
};
const ParseMeta = Raw => {
let Mid = {"Meta": "", "Macros": ""};
let Data = {"Meta": {}, "Macros": {}};
const Lines = Raw.trim().split('\n');
for (let i=0; i<Lines.length; i++) {
let Type;
const Line = Lines[i].trim();
if (Line.startsWith('%')) {
Type = 'Meta';
} else if (Line.startsWith('$')) {
Type = 'Macros';
} else {
continue;
};
Mid[Type] += Line.substring(1).trim() + '\n';
};
const Types = Object.keys(Mid);
for (let i=0; i<Types.length; i++) {
const Type = Types[i];
Parser = new ConfigParser();
Parser.parse(Mid[Type]);
const Items = Parser.items();
for (let i=0; i<Items.length; i++) {
const Item = Items[i];
Data[Type][Item[0]] = Item[1];
};
};
return Data;
};
const MakeMetaStr = Post => {
let Str = '';
const Types = ['Meta', 'Macros'];
for (let i=0; i<Types.length; i++) {
let Mark;
const Type = Types[i];
if (Type == 'Meta') {
Mark = '%';
} else if (Type == 'Macros') {
Mark = '$';
};
const Keys = Object.keys(Post[Type]);
for (let i=0; i<Keys.length; i++) {
const Key = Keys[i];
Str += `// ${Mark} ${Key} = ${Post[Type][Key]}\n`
};
};
return Str;
};
const HandlePost = PostSrc => {
let LinkElem, ContentDom;
let Post = {"Meta": {}, "Macros": {}};
Post.Meta.Title = PostSrc.title;
Post.Meta.CreatedOn = PostSrc.created_at.split('T')[0];
Post.Content = PostSrc.rendered_text;
console.log(`[I] => [${Post.Meta.CreatedOn}] ${Post.Meta.Title}`);
ContentDom = JSDOM.fragment(Post.Content);
LinkElem = GetLinkElem(ContentDom);
if (!LinkElem) { // Post content has no mirror-flagging element, skip it
// TODO: Exclusion mode instead of inclusion? Aka automatically handle posts without the element
// TODO: Check flagging via MetadataBlock?
console.log(`[I] : No mirror flag in source body; Skipping!`);
return;
};
const LinkPath = GetPath(JSDOM.fragment(LinkElem.outerHTML).querySelector('[href]').href);
/*
// Get post categories
Post.Categories = '';
const Classes = LinkElem.classList;
for (let i=0; i<Classes.length; i++) {
const Class = Classes[i];
const Key = `Mirror-${SiteName}-Categories-`;
if (Class.startsWith(Key)) {
Post['Categories'] = '// % Categories = ' + Class.substring(Key.length).replaceAll('|', ' ');
};
};
*/
// Do string replacements
const ReplacementsKeys = Object.keys(Replacements);
for (let i=0; i<ReplacementsKeys.length; i++) {
const To = ReplacementsKeys[i];
let FromItems = Replacements[To];
if (typeof(FromItems) != 'object') {
FromItems = [FromItems];
};
for (let i=0; i<FromItems.length; i++) {
Post.Content = Post.Content.replaceAll(FromItems[i], To);
};
};
ContentDom = JSDOM.fragment(Post.Content);
LinkElem = GetLinkElem(ContentDom);
LinkElem.outerHTML = '';
// Handle MetadataBlock elements
let MetadataBlocks = ContentDom.querySelectorAll(MetadataBlockSelect);
for (let i=0; i<MetadataBlocks.length; i++) {
const Elem = MetadataBlocks[i];
if (Elem.textContent) {
const Meta = ParseMeta(Elem.textContent);
Post.Meta = Object.assign(Post.Meta, Meta.Meta);
Post.Macros = Object.assign(Post.Macros, Meta.Macros);
};
MetadataBlocks[i].outerHTML = '';
};
// Handle ExtractCodeBlock elements
let ExtCodeBlocks = ContentDom.querySelectorAll(ExtractCodeBlockSelect);
for (let i=0; i<ExtCodeBlocks.length; i++) {
const Elem = ExtCodeBlocks[i];
const Find = ExtractCodeBlockSelect.trim().replaceAll('.', '').replaceAll(',', '').split(' ')[0];
if (Array.from(Elem.classList).includes(Find)) {
ExtCodeBlocks[i].outerHTML = ''; // Remove the ExtractCodeBlock upper-marker
} else {
ExtCodeBlocks[i].outerHTML = Elem.textContent; // Extract the marker's text as raw HTML
};
};
Post.Content = GetFragHTML(ContentDom).trim();
const PathFile = LinkPath.split('/').slice(-1)[0];
const PathDir = LinkPath.split('/').slice(0, (LinkPath.split('/').length - 1)).join('/');
const FinalFilePath = `${PathDir}/${PostsFileDate ? Post.Meta.CreatedOn + '-' : ''}${PathFile.substring(0, (PathFile.length - 4))}md`;
if (!CheckDoDownsync(FinalFilePath)) {
console.log(`[I] : Downsync disabled in destination body; Skipping!`);
return;
};
TryMkdirSync(PathDir);
fs.writeFileSync(FinalFilePath, `\
${MakeMetaStr(Post)}
# ${Post.Meta.Title}
${Post.Content}
`);
};
const Main = _ => {
console.log('[I] Downloading...');
fetch(`${BlogURL}/all`).then(Response => Response.text()).then(Data => {
console.log('[I] Parsing...');
const Elem = JSDOM.fragment(Data).querySelector('script[data-component-name="AuthorAll"]');
const Posts = JSON.parse(Elem.childNodes[0].data).posts;
for (let i=0; i<Posts.length; i++) {
HandlePost(Posts[i]);
};
});
};
Main();