forked from cory/tildefriends
59 lines
1.5 KiB
JavaScript
59 lines
1.5 KiB
JavaScript
async function query(sql, params) {
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let results = [];
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await ssb.sqlAsync(sql, params, function(row) {
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results.push(row);
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});
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return results;
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}
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function guess_content_type(name) {
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if (name.endsWith('.html')) {
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return 'text/html; charset=UTF-8';
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} else if (name.endsWith('.js') || name.endsWith('.mjs')) {
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return 'text/javascript; charset=UTF-8';
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} else if (name.endsWith('.css')) {
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return 'text/stylesheet; charset=UTF-8';
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} else {
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return 'application/binary';
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}
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}
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async function main() {
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let path = request.path.replaceAll(/(%[0-9a-fA-F]{2})/g, x => String.fromCharCode(parseInt(x.substring(1), 16)));
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let match = path.match(/^(%.{44}\.sha256)(?:\/)?(.*)$/);
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let content_type = guess_content_type(request.path);
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let root = await query(`
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SELECT root.content ->> 'root' AS root
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FROM messages site
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JOIN messages root
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ON site.id = ? AND root.author = site.author AND root.content ->> 'site' = site.id
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ORDER BY root.sequence DESC LIMIT 1
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`, [match[1]]);
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let root_id = root[0]['root'];
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let last_id = root_id;
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let blob = await ssb.blobGet(root_id);
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try {
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for (let part of match[2]?.split('/')) {
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let dir = JSON.parse(utf8Decode(blob));
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last_id = dir?.links[part];
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blob = await ssb.blobGet(dir?.links[part]);
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content_type = guess_content_type(part);
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}
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} catch {
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}
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respond({
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status_code: 200,
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data: blob ? utf8Decode(blob) : `${last_id} not found`,
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content_type: content_type,
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});
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}
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main().catch(function(e) {
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respond({
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status_code: 200,
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data: `${e.message}\n${e.stack}`,
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content_type: 'text/plain',
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});
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}); |