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260 lines
12 KiB
260 lines
12 KiB
// Copyright (c) 2022-2025 Niko Bonnieure, Par le Peuple, NextGraph.org developers
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// All rights reserved.
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// Licensed under the Apache License, Version 2.0
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// <LICENSE-APACHE2 or http://www.apache.org/licenses/LICENSE-2.0>
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// or the MIT license <LICENSE-MIT or http://opensource.org/licenses/MIT>,
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// at your option. All files in the project carrying such
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// notice may not be copied, modified, or distributed except
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// according to those terms.
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const WebSocket = require("ws");
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// shim to insert WebSocket in global
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const ng = require("nextgraph");
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global.WebSocket = WebSocket;
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// get your wallet file as an ArrayBuffer and pass it to wallet_read_file
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const fs = require('fs');
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let buffer = fs.readFileSync("/Users/nl/Downloads/wallet-Hr-UITwGtjE1k6lXBoVGzD4FQMiDkM3T6bSeAi9PXt4A.ngw");
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ng.wallet_read_file(buffer).then(async (wallet)=>{
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console.log("start");
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try {
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let opened_wallet = await ng.wallet_open_with_mnemonic_words(wallet, ["jealous",
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"during",
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"elevator",
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"swallow",
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"pen",
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"phone",
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"like",
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"employ",
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"myth",
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"remember",
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"question",
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"lemon"],
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[2, 3, 2, 3]);
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let user_id = opened_wallet.V0.personal_site;
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let user_id_string = opened_wallet.V0.personal_site_id;
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let wallet_name = opened_wallet.V0.wallet_id;
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console.log("wallet_name=", wallet_name)
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let _client = await ng.wallet_import(wallet, opened_wallet, true)
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let session = await ng.session_in_memory_start(wallet_name, user_id);
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let session_id = session.session_id;
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console.log(session);
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let protected_repo_id = session.protected_store_id.substring(2,46);
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console.log("Session started. protected store ID = ", protected_repo_id)
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let info = await ng.client_info();
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let connection_status = await ng.user_connect(
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info,
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user_id_string
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);
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console.log(connection_status);
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let dump = await ng.rdf_dump(session_id);
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console.log("==== DUMP ====");
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console.log(dump);
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console.log("==== END of DUMP ====");
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// we create a new document in the protected store of the user.
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//let nuri = await ng.doc_create(session_id, "Graph", "data:graph", "protected", protected_repo_id, "store");
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// once you have created a document, you can reuse its Nuri by entering it in the line below, remove the commenting, and comment out the above line
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let nuri = "did:ng:o:W6GCQRfQkNTLtSS_2-QhKPJPkhEtLVh-B5lzpWMjGNEA:v:h8ViqyhCYMS2I6IKwPrY6UZi4ougUm1gpM4QnxlmNMQA";
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console.log("nuri=",nuri);
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let base = nuri.substring(0,53);
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console.log("base=",base);
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await ng.sparql_update(session_id, "INSERT DATA { <> <example:predicate> \"An example value1000\". }", nuri );
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// SELECT
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// we use base to replace <> in the subject
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let sparql_result = await ng.sparql_query(session_id, "SELECT ?p ?o ?g WHERE { GRAPH ?g { <> ?p ?o } }", base);
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console.log(sparql_result);
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for (const q of sparql_result.results.bindings) {
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console.log(q);
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}
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// specifying a nuri in the query arguments, is equivalent to settings the GRAPH in the WHERE
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sparql_result = await ng.sparql_query(session_id, "SELECT ?s ?p ?o WHERE { ?s ?p ?o }", undefined, nuri);
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console.log(sparql_result);
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for (const q of sparql_result.results.bindings) {
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console.log(q);
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}
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// base can be omitted if it isn't used
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sparql_result = await ng.sparql_query(session_id, "SELECT ?s ?p ?o ?g WHERE { GRAPH ?g { ?s ?p ?o } }");
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console.log(sparql_result);
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for (const q of sparql_result.results.bindings) {
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console.log(q);
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}
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// CONSTRUCT
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let triples = await ng.sparql_query(session_id, `CONSTRUCT { ?s ?p ?o } WHERE { GRAPH <${nuri}> { ?s ?p ?o } }`, base);
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for (const q of triples) {
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console.log(q.subject.toString(), q.predicate.toString(), q.object.toString())
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}
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// is equivalent to
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triples = await ng.sparql_query(session_id, "CONSTRUCT { ?s ?p ?o } WHERE { ?s ?p ?o }", base, nuri);
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for (const q of triples) {
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console.log(q.subject.toString(), q.predicate.toString(), q.object.toString())
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}
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// cleaning up
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await ng.user_disconnect(user_id_string);
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await ng.session_stop(user_id_string);
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await ng.wallet_close(wallet_name);
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console.log("the end");
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} catch (e) {
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console.error(e);
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}
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}).catch(err => {
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console.error(err);
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});
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// let config = {
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// // replace server_peer_id and admin_user_key with your own
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// // replace client_peer_key with a fresh key generated with `ngcli gen-key` (use the private key)
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// server_peer_id: "pzx0BqespDc0MjvtYmq1b6PRqc4i1mjYRqVbIXOw2RwA",
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// admin_user_key: "sB2JMURtgd42pWI4lLxCT_cNle-pfWkOLZQ0XyJiFswA",
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// client_peer_key: "GRP0QnlzaB8o2vdiBaNoOYDNOFX-uehLZMxeCaG3JA0A",
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// server_addr: "127.0.0.1:14400"
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// };
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// ng.init_headless(config).then( async() => {
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// let session_id;
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// try {
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// //let user_id = await ng.admin_create_user(config);
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// //console.log("user created: ",user_id);
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// let user_id = "sajsOaZWHXNyvhBxWbyj9GFmxuAjsP31gWQ2qZunCr0A";
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// //let base;
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// let session = await ng.session_headless_start(user_id);
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// session_id = session.session_id;
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// console.log(session);
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// let dump = await ng.rdf_dump(session.session_id);
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// console.log(dump);
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// let private_store = "did:ng:o:qBzNhlqofXRKbTfTUOq-2Aagh5AgDES5LR4Hsw7caCUA:v:XL7JfZF_8OuRiEN1db3g44sUD2m1aU8Z_Ab1Z6H-AOkA";
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// //let nuri = await ng.doc_create(session.session_id, "Graph", "data:graph", "protected", "B381BvfdAFYPBkdhDrsqnMMg5pnJMWJgJbZobZErXZMA", "store");
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// let nuri = "did:ng:o:FwRgrwtOhli54mRT6xi8J5ZK7X4L7L86lpbwhNVmgbsA:v:cpEgHDobJmdpcB8Z4SP91tBX4wPaasjJuz09GkfP2_UA";
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// console.log("nuri=",nuri);
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// let base = "did:ng:o:FwRgrwtOhli54mRT6xi8J5ZK7X4L7L86lpbwhNVmgbsA";
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// console.log("******** UPDATE")
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// //let header_branch = "did:ng:o:b70vk7Bj4eInXgG8pLysrFpEL-YSOiRYEmihPGiM1EsA:v:_0hm2qIpq443C7rMEdCGnhPDhsaWR2XruTIaF-9LKbkA:b:TokczMya9WDpQ-_FYFi7QJVbHmllWS3lD-vjtzHHQa0A";
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// // let sparql_result = await ng.sparql_query(session.session_id, "SELECT ?s ?p ?o WHERE { ?s ?p ?o }", base, header_branch);
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// // console.log(sparql_result);
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// // for (const q of sparql_result.results.bindings) {
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// // console.log(q);
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// // }
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// // await ng.sparql_update(session.session_id, "WITH <"+header_branch+"> \
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// // DELETE { <> <did:ng:x:ng#n> ?n. } INSERT {<> <did:ng:x:ng#n> \"ddd6\". } WHERE {OPTIONAL { <> <did:ng:x:ng#n> ?n } }",nuri);
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// // let history = await ng.branch_history(session.session_id);
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// // for (const h of history.history) {
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// // console.log(h[0], h[1]);
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// // }
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// // console.log(history.swimlane_state);
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// await ng.sparql_update(session.session_id, "INSERT DATA { <did:ng:_> <did:ng:i> <did:ng:j3> }");
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// sparql_result = await ng.sparql_query(session.session_id, "CONSTRUCT { ?s ?p ?o } WHERE { ?s ?p ?o }");
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// console.log("******** CONSTRUCT")
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// for (const r of sparql_result) console.log(r.subject.value, r.predicate.value, r.object.value);
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// // await ng.sparql_update(session.session_id, "DELETE DATA { <did:ng:t:AJQ5gCLoXXjalC9diTDCvxxWu5ZQUcYWEE821nhVRMcE> <did:ng:i> <did:ng:j> }");
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// // await ng.sparql_update(session.session_id, "INSERT DATA { <did:ng:t:AJQ5gCLoXXjalC9diTDCvxxWu5ZQUcYWEE821nhVRMcE> <did:ng:i> <did:ng:j> }");
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// // await ng.sparql_update(session.session_id, "INSERT { ?s <did:ng:i> <did:ng:k> } WHERE { ?s <did:ng:i> <did:ng:j> } ");
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// // await ng.sparql_update(session.session_id, "INSERT DATA { <did:ng:z> <did:ng:j> <did:ng:t:BJQ5gCLoXXjalC9diTDCvxxWu5ZQUcYWEE821nhVRMcE>. <did:ng:t:BJQ5gCLoXXjalC9diTDCvxxWu5ZQUcYWEE821nhVRMcE> <did:ng:m> <did:ng:n> }");
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// //await ng.sparql_update(session.session_id, "INSERT DATA { <did:ng:z> <did:ng:j> [ <did:ng:m> <did:ng:n> ]. }");
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// //await ng.sparql_update(session.session_id, "INSERT DATA { [ <did:ng:m> <did:ng:n> ] <did:ng:ok> <did:ng:v> . }");
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// //await ng.sparql_update(session.session_id, "INSERT { ?a <did:ng:ok> <did:ng:v> . } WHERE { ?a <did:ng:m> <did:ng:n> } ");
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// //await ng.sparql_update(session.session_id, "INSERT DATA { <did:ng:z> <did:ng:j> _:1 . _:1 <did:ng:m> <did:ng:n>. }");
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// //await ng.sparql_update(session.session_id, "INSERT DATA { _:f766ca988268ddc60315ddd5bd621387 <did:ng:o> <did:ng:>. }");
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// //await ng.sparql_update(session.session_id, "INSERT { _:_ <did:ng:ok> <did:ng:v> . } WHERE { _:_ <did:ng:m> <did:ng:n> } ");
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// //await ng.sparql_update(session.session_id, "INSERT DATA { _:_ <abc:a> <d:a> . _:_a <abceee:a> <d:a> . }");
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// //await ng.sparql_update(session.session_id, "INSERT DATA { <> <a:selftest> <a:selftest> . }",base);
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// //await ng.sparql_update(session.session_id, "INSERT DATA { <did:ng:TEST4> <did:ng:j> _:_ . _:_ <did:ng:m> <did:ng:n> . }");
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// //await ng.sparql_update(session.session_id, "INSERT DATA { <did:ng:TEST5> <did:ng:j> [ <did:ng:m> <did:ng:n> ]. }");
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// // sparql_result = await ng.sparql_query(session.session_id, "SELECT ?a WHERE { ?a <did:ng:j> _:abc. _:abc <did:ng:m> <did:ng:n> }", base);
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// // console.log(sparql_result);
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// // for (const q of sparql_result.results.bindings) {
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// // console.log(q);
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// // }
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// // sparql_result = await ng.sparql_query(session.session_id, "SELECT ?s ?a WHERE { ?s <did:ng:j> ?a }", base);
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// // console.log(sparql_result);
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// // for (const q of sparql_result.results.bindings) {
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// // console.log(q);
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// // }
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// // console.log("******** CONSTRUCT2")
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// // let quads = await ng.sparql_query(session.session_id, "CONSTRUCT { ?s ?p ?o } WHERE { ?s ?p ?o }",base);
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// // for (const q of quads) {
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// // console.log(q.subject.toString(), q.predicate.toString(), q.object.toString(), q.graph.toString())
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// // }
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// // let file_nuri = await ng.file_put_to_private_store(session.session_id,"LICENSE-MIT","text/plain");
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// // console.log(file_nuri);
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// // //let file_nuri = "did:ng:j:AD_d4njVMAtIDEU1G-RDxfOLIOZyOrB_1Rb7B6XykIEJ:k:APV-_Xtk03PW_Mbl4OaYpLrmEkBDVtn81lpto8sxc_tb";
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// // var bufs = [];
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// // let cancel = await ng.file_get_from_private_store(session.session_id, file_nuri, async (file) => {
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// // if (file.V0.FileMeta) {
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// // //skip
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// // } else if (file.V0.FileBinary) {
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// // if (file.V0.FileBinary.byteLength > 0) {
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// // bufs.push(file.V0.FileBinary);
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// // }
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// // } else if (file.V0 == 'EndOfStream') {
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// // //console.log("end of file");
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// // var buf = Buffer.concat(bufs);
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// // // if the file contains some UTF8 text
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// // console.log(buf.toString('utf8'));
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// // }
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// // });
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// // the 2nd argument `false` means: do not `force_close` the dataset.
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// // it will be detached, which means it stays in memory even when the session is stopped.
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// // (not all the dataset is in memory anyway! just some metadata)
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// // if you set this to true, the dataset is closed and removed from memory on the server.
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// // next time you will open a session for this user, the dataset will be loaded again.
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// let res = await ng.session_headless_stop(session.session_id, false);
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// //console.log(res);
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// } catch (e) {
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// console.error(e);
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// if (session_id) await ng.session_headless_stop(session_id, true);
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// }
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// })
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// .catch(err => {
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// console.error(err);
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// });
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