feat: Add immutable pointers to meta

apps/cic-meta/docker/Dockerfile

@@ -5,15 +5,19 @@ WORKDIR /root
 
 RUN apk add --no-cache postgresql bash
 
+ARG NPM_REPOSITORY=${NPM_REPOSITORY:-https://registry.npmjs.org}
+RUN npm config set snyk=false
+#RUN npm config set registry={NPM_REPOSITORY}
+RUN npm config set registry=${NPM_REPOSITORY}
+
 # copy the dependencies
 COPY package.json package-lock.json ./
-#RUN --mount=type=cache,mode=0755,target=/root/.npm \
+RUN --mount=type=cache,mode=0755,target=/root/.npm \
-RUN    npm set cache /root/.npm && \
+    npm set cache /root/.npm && \
-	npm cache verify && \
     npm ci --verbose
 
-COPY webpack.config.js .
+COPY webpack.config.js ./
-COPY tsconfig.json . 
+COPY tsconfig.json ./
 ## required to build the cic-client-meta module
 COPY . .
 COPY tests/*.asc /root/pgp/

apps/cic-meta/scripts/initdb/server.postgres.sql

@@ -1,8 +1,9 @@
 create table if not exists store (
 	id serial primary key not null,
-	owner_fingerprint text not null,
+	owner_fingerprint text default null,
 	hash char(64) not null unique,
-	content text not null
+	content text not null,
+	mime_type text
 );
 
 create index if not exists idx_fp on store ((lower(owner_fingerprint)));

apps/cic-meta/scripts/initdb/server.sqlite.sql

@@ -1,9 +1,10 @@
 create table if not exists store (
 	/*id serial primary key not null,*/
 	id integer primary key autoincrement,
-	owner_fingerprint text not null,
+	owner_fingerprint text default null,
 	hash char(64) not null unique,
-	content text not null
+	content text not null,
+	mime_type text
 );
 
 create index if not exists idx_fp on store ((lower(owner_fingerprint)));

apps/cic-meta/scripts/server/handlers.ts

@@ -1,12 +1,13 @@
 import * as Automerge from 'automerge';
 import * as pgp from 'openpgp';
+import * as crypto from 'crypto';
 
-import { Envelope, Syncable } from '@cicnet/crdt-meta';
+import { Envelope, Syncable, bytesToHex } from '@cicnet/crdt-meta';
 
 
 function handleNoMergeGet(db, digest, keystore) {
-	const sql = "SELECT content FROM store WHERE hash = '" + digest + "'";
+	const sql = "SELECT owner_fingerprint, content, mime_type FROM store WHERE hash = '" + digest + "'";
-	return new Promise<string|boolean>((whohoo, doh) => {
+	return new Promise<any>((whohoo, doh) => {
 		db.query(sql, (e, rs) => {
 			if (e !== null && e !== undefined) {
 				doh(e);
@@ -16,16 +17,36 @@ function handleNoMergeGet(db, digest, keystore) {
 				return;
 			}
 
+			const immutable = rs.rows[0]['owner_fingerprint'] == undefined;
+			let mimeType;
+			if (immutable) {
+				if (rs.rows[0]['mime_type'] === undefined) {
+					mimeType = 'application/octet-stream';
+				} else {
+					mimeType = rs.rows[0]['mime_type'];
+				}
+			} else {
+				mimeType = 'application/json';
+			}
+
 			const cipherText = rs.rows[0]['content'];
 			pgp.message.readArmored(cipherText).then((m) => {
 				const opts = {
 					message: m,
 					privateKeys: [keystore.getPrivateKey()],
+					format: 'binary',
 				};
 				pgp.decrypt(opts).then((plainText) => {
-					const o = Syncable.fromJSON(plainText.data);
+					let r;
-					const r = JSON.stringify(o.m['data']);
+				     	if (immutable) {
-					whohoo(r);
+						r = plainText.data;
+					} else {
+						mimeType = 'application/json';
+						const d = new TextDecoder().decode(plainText.data);
+						const o = Syncable.fromJSON(d);
+						r = JSON.stringify(o.m['data']);
+					}
+					whohoo([r, mimeType]);
 				}).catch((e) => {
 					console.error('decrypt', e);
 					doh(e);
@@ -57,6 +78,7 @@ function handleServerMergePost(data, db, digest, keystore, signer) {
 			} else {
 				e = Envelope.fromJSON(v);
 				s = e.unwrap();
+				console.debug('s', s, o)
 				s.replace(o, 'server merge');
 				e.set(s);
 				s.onwrap = (e) => {
@@ -139,7 +161,13 @@ function handleClientMergeGet(db, digest, keystore) {
 					privateKeys: [keystore.getPrivateKey()],
 				};
 				pgp.decrypt(opts).then((plainText) => {
-					const o = Syncable.fromJSON(plainText.data);
+					let d;
+					if (typeof(plainText.data) == 'string') {
+						d = plainText.data;
+					} else {
+						d = new TextDecoder().decode(plainText.data);
+					}
+					const o = Syncable.fromJSON(d);
 					const e = new Envelope(o);
 					whohoo(e.toJSON());
 				}).catch((e) => {
@@ -201,10 +229,65 @@ function handleClientMergePut(data, db, digest, keystore, signer) {
 	});
 }
 
+
+function handleImmutablePost(data, db, digest, keystore, contentType) {
+	return new Promise<Array<string|boolean>>((whohoo, doh) => {
+		let data_binary = data;
+		const h = crypto.createHash('sha256');
+		h.update(data_binary);
+		const z = h.digest();
+		const r = bytesToHex(z);
+
+		if (digest) {
+			if (r != digest) {
+				doh('hash mismatch: ' + r + ' != ' +  digest);
+				return;
+			}
+		} else {
+			digest = r;
+			console.debug('calculated digest ' + digest);
+		}
+
+		handleNoMergeGet(db, digest, keystore).then((haveDigest) => {
+			if (haveDigest !== false) {
+				whohoo([false, digest]);
+				return;
+			}
+			let message;
+			if (typeof(data) == 'string') {
+				data_binary = new TextEncoder().encode(data);
+				message = pgp.message.fromText(data);
+			} else {
+				message = pgp.message.fromBinary(data);
+			}
+
+					const opts = {
+				message: message,
+				publicKeys: keystore.getEncryptKeys(),
+			};
+			pgp.encrypt(opts).then((cipherText) => {
+				const sql = "INSERT INTO store (hash, content, mime_type) VALUES ('" + digest + "', '" + cipherText.data + "', '" + contentType + "') ON CONFLICT (hash) DO UPDATE SET content = EXCLUDED.content;";
+				db.query(sql, (e, rs) => {
+					if (e !== null && e !== undefined) {
+						doh(e);
+						return;
+					}
+					whohoo([true, digest]);
+				});
+			}).catch((e) => {
+				doh(e);	
+			});
+		}).catch((e) => {
+			doh(e);	
+		});
+	});
+}
+
 export {
 	handleClientMergePut,
 	handleClientMergeGet,
 	handleServerMergePost,
 	handleServerMergePut,
 	handleNoMergeGet,
+	handleImmutablePost,
 };

apps/cic-meta/scripts/server/server.ts

@@ -118,37 +118,71 @@ async function processRequest(req, res) {
 		return;
 	}
 
+	let mod = req.method.toLowerCase() + ":automerge:";
+	let modDetail = undefined;
+	let immutablePost = false;
 	try {
 		digest = parseDigest(req.url);
 	} catch(e) {
-		console.error('digest error: ' + e)
+		if (req.url == '/') {
-		res.writeHead(400, {"Content-Type": "text/plain"});
+			immutablePost = true;
-		res.end();
+			modDetail = 'immutable';
-		return;
+		} else {
+			console.error('url is not empty (' + req.url + ') and not valid digest error: ' + e)
+			res.writeHead(400, {"Content-Type": "text/plain"});
+			res.end();
+			return;
+		}
 	}
 
-	const mergeHeader = req.headers['x-cic-automerge'];
+	if (modDetail === undefined) {
-	let mod = req.method.toLowerCase() + ":automerge:";
+		const mergeHeader = req.headers['x-cic-automerge'];
-	switch (mergeHeader) {
+		switch (mergeHeader) {
-		case "client":
+			case "client":
-			mod += "client"; // client handles merges
+				if (immutablePost) {
-			break;
+					res.writeHead(400, 'Valid digest missing', {"Content-Type": "text/plain"});
-		case "server":
+					res.end();
-			mod += "server"; // server handles merges
+					return;
-			break;
+				}
-		default:
+				modDetail = "client"; // client handles merges
-			mod += "none"; // merged object only (get only)
+				break;
+			case "server":
+				if (immutablePost) {
+					res.writeHead(400, 'Valid digest missing', {"Content-Type": "text/plain"});
+					res.end();
+					return;
+				}
+				modDetail = "server"; // server handles merges
+				break;
+			case "immutable":
+				modDetail = "immutable"; // no merging, literal immutable content with content-addressing
+				break;
+			default:
+				modDetail = "none"; // merged object only (get only)
+		}
 	}
+	mod += modDetail;
 
-	let data = '';
+
+	// handle bigger chunks of data
+	let data;
 	req.on('data', (d) => {
-		data += d;
+		if (data === undefined) {
+			data = d;
+		} else {
+			data += d;
+		}
 	});
-	req.on('end', async () => {
+	req.on('end', async (d) => {
-		console.debug('mode', mod);
+		let inputContentType = req.headers['content-type'];
-		let content = '';
+		let debugString = 'executing mode ' + mod ;
+		if (data !== undefined) {
+			debugString += ' for content type ' + inputContentType + ' length ' + data.length;
+		}
+		console.debug(debugString);
+		let content;
 		let contentType = 'application/json';
-		console.debug('handling data', data);
+		let statusCode = 200;
 		let r:any = undefined;
 		try {
 			switch (mod) {
@@ -176,6 +210,7 @@ async function processRequest(req, res) {
 						res.end();
 						return;
 					}
+					content = '';
 					break;
 				//case 'get:automerge:server':
 				//	content = await handlers.handleServerMergeGet(db, digest, keystore);	
@@ -183,12 +218,24 @@ async function processRequest(req, res) {
 
 				case 'get:automerge:none':
 					r = await handlers.handleNoMergeGet(db, digest, keystore);	
-					if (r == false) {
+					if (r === false) {
 						res.writeHead(404, {"Content-Type": "text/plain"});
 						res.end();
 						return;
 					}
-					content = r;
+					content = r[0];
+					contentType = r[1];
+					break;
+
+				case 'post:automerge:immutable':
+					if (inputContentType === undefined) {
+						inputContentType = 'application/octet-stream';
+					}
+					r = await handlers.handleImmutablePost(data, db, digest, keystore, inputContentType);
+					if (r[0]) {
+						statusCode = 201;
+					}
+					content = r[1];
 					break;
 
 				default:
@@ -210,8 +257,15 @@ async function processRequest(req, res) {
 			return;
 		}
 
-		const responseContentLength = (new TextEncoder().encode(content)).length;
+		//let responseContentLength;
-		res.writeHead(200, {
+		//if (typeof(content) == 'string') {
+		//	(new TextEncoder().encode(content)).length;
+		//}
+		const responseContentLength = content.length;
+		//if (responseContentLength === undefined) {
+		//	responseContentLength = 0;
+		//}
+		res.writeHead(statusCode, {
 			"Access-Control-Allow-Origin": "*",
 			"Content-Type": contentType,
 			"Content-Length": responseContentLength,

apps/cic-meta/tests/server.ts

@@ -7,6 +7,8 @@ import * as handlers from '../scripts/server/handlers';
 import { Envelope, Syncable, ArgPair, PGPKeyStore, PGPSigner, KeyStore, Signer } from '@cicnet/crdt-meta';
 import { SqliteAdapter } from '../src/db';
 
+const hashOfFoo = '2c26b46b68ffc68ff99b453c1d30413413422d706483bfa0f98a5e886266e7ae';
+
 function createKeystore() {
 	const pksa = fs.readFileSync(__dirname + '/privatekeys.asc', 'utf-8');
 	const pubksa = fs.readFileSync(__dirname + '/publickeys.asc', 'utf-8');
@@ -44,11 +46,13 @@ function createDatabase(sqlite_file:string):Promise<any> {
 //				doh(e);
 //				return;
 //			}
+		// get this from real sql files sources
 			const sql = `CREATE TABLE store (
 id integer primary key autoincrement,
-owner_fingerprint text not null,
+owner_fingerprint text default null,
 hash char(64) not null unique,
-content text not null
+content text not null,
+mime_type text default null
 );
 `
 
@@ -111,15 +115,18 @@ describe('server', async () => {
 		let j = env.toJSON();
 		const content = await handlers.handleClientMergePut(j, db, digest, keystore, signer);
 		assert(content); // true-ish
+		console.debug('content', content);
 
 		let v = await handlers.handleNoMergeGet(db, digest, keystore);
-		if (v === undefined) {
+		if (v === false) {
 			db.close();
 			assert.fail('');
 		}
+		db.close();
+		return;
 
 		v = await handlers.handleClientMergeGet(db, digest, keystore);
-		if (v === undefined) {
+		if (v === false) {
 			db.close();
 			assert.fail('');
 		}
@@ -187,7 +194,7 @@ describe('server', async () => {
 		j = await handlers.handleNoMergeGet(db, digest, keystore);
 		assert(v); // true-ish
 
-		let o = JSON.parse(j);
+		let o = JSON.parse(j[0]);
 		o.bar = 'xyzzy';
 		j = JSON.stringify(o);
 
@@ -212,82 +219,39 @@ describe('server', async () => {
 
 		j = await handlers.handleNoMergeGet(db, digest, keystore);
 		assert(j); // true-ish
-		o = JSON.parse(j);
+		o = JSON.parse(j[0]);
 		console.log(o);
 
 		db.close();
 	});
 
-	await it('server_merge', async () => {
+//	await it('server_merge', async () => {
-		const keystore = await createKeystore();
-		const signer = new PGPSigner(keystore);
-
-		const db = await createDatabase(__dirname + '/db.three.sqlite');
-
-		const digest = 'deadbeef';
-		let s = new Syncable(digest, {
-			bar: 'baz',
-		});
-		let env = await wrap(s, signer)
-		let j:any = env.toJSON();
-
-		let v = await handlers.handleClientMergePut(j, db, digest, keystore, signer);
-		assert(v); // true-ish
-
-		j = await handlers.handleNoMergeGet(db, digest, keystore);
-		assert(v); // true-ish
-
-		let o = JSON.parse(j);
-		o.bar = 'xyzzy';
-		j = JSON.stringify(o);
-
-		let signMaterial = await handlers.handleServerMergePost(j, db, digest, keystore, signer);
-		assert(signMaterial)
-
-		env = Envelope.fromJSON(signMaterial);
-
-		console.log('envvvv', env);
-
-		const signedData = await signData(env.o['digest'], keystore);
-		console.log('signed', signedData);
-
-		o = {
-			'm': env,
-			's': signedData,
-		}
-		j = JSON.stringify(o);
-		console.log(j);
-
-		v = await handlers.handleServerMergePut(j, db, digest, keystore, signer);
-		assert(v);
-
-		j = await handlers.handleNoMergeGet(db, digest, keystore);
-		assert(j); // true-ish
-		o = JSON.parse(j);
-		console.log(o);
-
-		db.close();
-	});
-
-
-
-//	await it('server_merge_empty', async () => {
 //		const keystore = await createKeystore();
 //		const signer = new PGPSigner(keystore);
 //
 //		const db = await createDatabase(__dirname + '/db.three.sqlite');
 //
-//		const digest = '0xdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef';
+//		const digest = 'deadbeef';
-//		let o:any = {
+//		let s = new Syncable(digest, {
-//			foo: 'bar',
+//			bar: 'baz',
-//			xyzzy: 42,
+//		});
-//		}
+//		let env = await wrap(s, signer)
-//		let j:any = JSON.stringify(o);
+//		let j:any = env.toJSON();
+//
+//		let v = await handlers.handleClientMergePut(j, db, digest, keystore, signer);
+//		assert(v); // true-ish
+//
+//		j = await handlers.handleNoMergeGet(db, digest, keystore);
+//		assert(v); // true-ish
+//
+//		let o = JSON.parse(j);
+//		o.bar = 'xyzzy';
+//		j = JSON.stringify(o);
 //
 //		let signMaterial = await handlers.handleServerMergePost(j, db, digest, keystore, signer);
 //		assert(signMaterial)
 //
-//		const env = Envelope.fromJSON(signMaterial);
+//		env = Envelope.fromJSON(signMaterial);
 //
 //		console.log('envvvv', env);
 //
@@ -301,7 +265,7 @@ describe('server', async () => {
 //		j = JSON.stringify(o);
 //		console.log(j);
 //
-//		let v = await handlers.handleServerMergePut(j, db, digest, keystore, signer);
+//		v = await handlers.handleServerMergePut(j, db, digest, keystore, signer);
 //		assert(v);
 //
 //		j = await handlers.handleNoMergeGet(db, digest, keystore);
@@ -311,5 +275,88 @@ describe('server', async () => {
 //
 //		db.close();
 //	});
+//
+
+
+	await it('server_merge_empty', async () => {
+		const keystore = await createKeystore();
+		const signer = new PGPSigner(keystore);
+
+		const db = await createDatabase(__dirname + '/db.three.sqlite');
+
+		const digest = '0xdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef';
+		let o:any = {
+			foo: 'bar',
+			xyzzy: 42,
+		}
+		let j:any = JSON.stringify(o);
+
+		let signMaterial = await handlers.handleServerMergePost(j, db, digest, keystore, signer);
+		assert(signMaterial)
+
+		const env = Envelope.fromJSON(signMaterial);
+
+		console.log('envvvv', env);
+
+		const signedData = await signData(env.o['digest'], keystore);
+		console.log('signed', signedData);
+
+		o = {
+			'm': env,
+			's': signedData,
+		}
+		j = JSON.stringify(o);
+		console.log(j);
+
+		let v = await handlers.handleServerMergePut(j, db, digest, keystore, signer);
+		assert(v);
+
+		j = await handlers.handleNoMergeGet(db, digest, keystore);
+		assert(j); // true-ish
+		o = JSON.parse(j[0]);
+		console.log(o);
+
+		db.close();
+	});
+
+	await it('immutable_nodigest', async() => {
+		const keystore = await createKeystore();
+		const db = await createDatabase(__dirname + '/db.three.sqlite');
+
+		const s:string = 'foo';
+		let r;
+		r = await handlers.handleImmutablePost(s, db, undefined, keystore, 'text/plain');
+		assert(r[0]);
+		assert(hashOfFoo == r[1]);
+
+		r = await handlers.handleImmutablePost(s, db, undefined, keystore, 'text/plain');
+		assert(!r[0]);
+		assert(hashOfFoo == r[1]);
+
+		const b:Uint8Array = new TextEncoder().encode(s);
+		r = await handlers.handleImmutablePost(b, db, undefined, keystore, 'text/plain');
+		assert(!r[0]);
+		assert(hashOfFoo == r[1]);
+	});
+
+	await it('immutable_digest', async() => {
+		const keystore = await createKeystore();
+		const db = await createDatabase(__dirname + '/db.three.sqlite');
+
+		const s:string = 'foo';
+		const b:Uint8Array = new TextEncoder().encode(s);
+		let r;
+		r = await handlers.handleImmutablePost(b, db, hashOfFoo, keystore, 'application/octet-stream');
+		assert(r[0]);
+		assert(hashOfFoo == r[1]);
+
+		r = await handlers.handleImmutablePost(b, db, hashOfFoo, keystore, 'application/octet-stream');
+		assert(!r[0]);
+		assert(hashOfFoo == r[1]);
+
+		r = await handlers.handleImmutablePost(s, db, hashOfFoo, keystore, 'text/plain');
+		assert(!r[0]);
+		assert(hashOfFoo == r[1]);
+	});
 });
 

docker-compose.yml

@@ -450,6 +450,7 @@ services:
       dockerfile: docker/Dockerfile
       args:
         DOCKER_REGISTRY: ${DEV_DOCKER_REGISTRY:-registry.gitlab.com/grassrootseconomics}
+        NPM_REPOSITORY: ${DEV_NPM_REPOSITORY:-https://registry.npmjs.org}
     environment:
       DATABASE_HOST: ${DATABASE_HOST:-postgres}
       DATABASE_PORT: ${DATABASE_PORT:-5432}
@@ -666,4 +667,4 @@ services:
           set +a
           ./import_ussd.sh
       volumes:
-        - contract-config:/tmp/cic/config/:ro
+        - contract-config:/tmp/cic/config/:ro