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Rewritten postgresql document store

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This is experimental as there are couple issues with attemting to set duplicate keys and connecting on startup, but it's working regardless of those issues.\nMaybe I can look into solving those later if needed
This commit is contained in:
zneix 2020-09-03 19:24:34 +02:00
parent e3e45bee3c
commit 7d476a668e
WARNING! Although there is a key with this ID in the database it does not verify this commit! This commit is SUSPICIOUS.
GPG key ID: 911916E0523B22F6
5 changed files with 93 additions and 196 deletions
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26
docs/storage.md
View file

@ -87,8 +87,32 @@ Check [documentation](https://mongodb.github.io/node-mongodb-native/3.5/api/Mong
## Postgres
Not rewritten yet, to be filled in
Requires npm package (Tested on v8.3.3):
```bash
npm install pg
```
You will have to create the database and add a table named `entries`. It can be easily done with the following query:
`CREATE TABLE entries (id SERIAL PRIMARY KEY, key VARCHAR(255) NOT NULL, value TEXT NOT NULL, expiration INT, UNIQUE(key));`
Properties in `clientOptions` are optimal defaults and should be sufficient to run haste, however more detailed explanation for them can be found in pg package [documentation](https://node-postgres.com/api/client).
Expiration property in config can be changed to a value in seconds after which entries will not be served.
```json
{
"type": "postgres",
"expire": 0,
"clientOptions": {
"host": "localhost",
"port": 5432,
"user": "username",
"password": "password",
"database": "haste"
}
}
```
## Redis

10
lib/document_stores/mongodb.js
View file

@ -12,7 +12,7 @@ class MongoDocumentStore {
const now = Math.floor(Date.now() / 1000);
const that = this;
if ((await this.safeConnect()).error) return null;
if ((await this.safeConnect()).error) return false;
return await this.MongoClient.db().collection('entries').updateOne(
{
@ -70,13 +70,13 @@ class MongoDocumentStore {
}
return document ? document.value : null;
}
safeConnect(){
async safeConnect(){
//don't try connecting again if already connected
//https://jira.mongodb.org/browse/NODE-1868
if (this.MongoClient.isConnected()) return { error: null };
return this.MongoClient.connect()
.then(client => {
winston.debug('connected to mongodb', { success: true });
return await this.MongoClient.connect()
.then(() => {
winston.info('connected to mongodb');
return { error: null };
})
.catch(err => {

123
lib/document_stores/postgres.js
View file

@ -1,80 +1,65 @@
// /*global require,module,process*/
const postgres = require('pg');
const winston = require('winston');
const postgres = require('pg');
// create table entries (id serial primary key, key varchar(255) not null, value text not null, expiration int, unique(key));
// A postgres document store
const PostgresDocumentStore = function (options){
this.expireJS = options.expire;
this.connectionUrl = process.env.DATABASE_URL || options.connectionUrl;
};
PostgresDocumentStore.prototype = {
// Set a given key
set: function (key, data, callback, skipExpire){
const now = Math.floor(Date.now() / 1000);
const that = this;
this.safeConnect(function (err, client, done){
if (err){ return callback(false); }
client.query('INSERT INTO entries (key, value, expiration) VALUES ($1, $2, $3)', [
key,
data,
that.expireJS && !skipExpire ? that.expireJS + now : null
], function (err){
if (err){
winston.error('error persisting value to postgres', { error: err });
return callback(false);
class PostgresDocumentStore {
constructor(options){
this.expire = options.expire;
this.PostgresClient = new postgres.Client(options.clientOptions);
this.safeConnect();
this.PostgresClient.on('end', () => {
winston.debug('disconnected from pg!');
});
}
callback(true);
done();
});
});
},
// Get a given key's data
get: function (key, callback, skipExpire){
async set(key, data, skipExpire){
const now = Math.floor(Date.now() / 1000);
const that = this;
this.safeConnect(function (err, client, done){
if (err){ return callback(false); }
client.query('SELECT id,value,expiration from entries where KEY = $1 and (expiration IS NULL or expiration > $2)', [key, now],
function (err, result){
if (err){
return await this.PostgresClient.query(
'INSERT INTO entries (key, value, expiration) VALUES ($1, $2, $3)',
[ key, data, (this.expire && !skipExpire) ? this.expire + now : null ]
)
.then(() => {
return true;
})
.catch(err => {
winston.error('failed to set postgres document', { key: key, error: err });
return false;
});
}
async get(key, skipExpire){
const now = Math.floor(Date.now() / 1000);
return await this.PostgresClient.query(
'SELECT id,value,expiration FROM entries WHERE key = $1 AND (expiration IS NULL OR expiration > $2)',
[ key, now ])
.then(async res => {
if (res.rows.length && this.expire && !skipExpire){
await this.PostgresClient.query(
'UPDATE entries SET expiration = $1 WHERE ID = $2',
[ this.expire + now, res.rows[0].id ]
);
}
return res.rows.length ? res.rows[0].value : null;
})
.catch(err => {
winston.error('error retrieving value from postgres', { error: err });
return callback(false);
}
callback(result.rows.length ? result.rows[0].value : false);
if (result.rows.length && that.expireJS && !skipExpire){
client.query('UPDATE entries SET expiration = $1 WHERE ID = $2', [
that.expireJS + now,
result.rows[0].id
], function (err){
if (!err){
done();
}
});
} else {
done();
}
});
});
},
// A connection wrapper
safeConnect: function (callback){
postgres.connect(this.connectionUrl, function (err, client, done){
if (err){
winston.error('error connecting to postgres', { error: err });
callback(err);
} else {
callback(undefined, client, done);
}
return null;
});
}
};
async safeConnect(){
return await this.PostgresClient.connect()
.then(() => {
winston.info('connected to postgres!');
return { error: null };
})
.catch(err => {
winston.error('failed connecting to postgres!', {error: err});
return { error: err };
});
}
}
module.exports = PostgresDocumentStore;

119
package-lock.json generated
View file

@ -780,11 +780,6 @@
"ieee754": "^1.1.4"
}
},
"buffer-writer": {
"version": "2.0.0",
"resolved": "https://registry.npmjs.org/buffer-writer/-/buffer-writer-2.0.0.tgz",
"integrity": "sha512-a7ZpuTZU1TRtnwyCNW3I5dc0wWNC3VR9S++Ewyk2HHZdrO3CQJqSpd+95Us590V6AL7JqUAH2IwZ/398PmNFgw=="
},
"busboy": {
"version": "0.3.1",
"resolved": "https://registry.npmjs.org/busboy/-/busboy-0.3.1.tgz",
@ -1237,12 +1232,6 @@
"integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
"dev": true
},
"semver": {
"version": "7.3.2",
"resolved": "https://registry.npmjs.org/semver/-/semver-7.3.2.tgz",
"integrity": "sha512-OrOb32TeeambH6UrhtShmF7CRDqhL6/5XpPNp2DuRH6+9QLw/orhp72j87v8Qa1ScDkvrrBNpZcDejAirJmfXQ==",
"dev": true
},
"strip-ansi": {
"version": "6.0.0",
"resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.0.tgz",
@ -2150,11 +2139,6 @@
"integrity": "sha512-R4nPAVTAU0B9D35/Gk3uJf/7XYbQcyohSKdvAxIRSNghFl4e71hVoGnBNQz9cWaXxO2I10KTC+3jMdvvoKw6dQ==",
"dev": true
},
"packet-reader": {
"version": "1.0.0",
"resolved": "https://registry.npmjs.org/packet-reader/-/packet-reader-1.0.0.tgz",
"integrity": "sha512-HAKu/fG3HpHFO0AA8WE8q2g+gBJaZ9MG7fcKk+IJPLTGAD6Psw4443l+9DGRbOIh3/aXr7Phy0TjilYivJo5XQ=="
},
"parent-module": {
"version": "1.0.1",
"resolved": "https://registry.npmjs.org/parent-module/-/parent-module-1.0.1.tgz",
@ -2197,90 +2181,12 @@
"resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.7.tgz",
"integrity": "sha1-32BBeABfUi8V60SQ5yR6G/qmf4w="
},
"pg": {
"version": "8.3.2",
"resolved": "https://registry.npmjs.org/pg/-/pg-8.3.2.tgz",
"integrity": "sha512-hOoRCTriXS+VWwyXHchRjWb9yv3Koq8irlwwXniqhdgK0AbfWvEnybGS2HIUE+UdCSTuYAM4WGPujFpPg9Vcaw==",
"requires": {
"buffer-writer": "2.0.0",
"packet-reader": "1.0.0",
"pg-connection-string": "^2.3.0",
"pg-pool": "^3.2.1",
"pg-protocol": "^1.2.5",
"pg-types": "^2.1.0",
"pgpass": "1.x",
"semver": "4.3.2"
}
},
"pg-connection-string": {
"version": "2.3.0",
"resolved": "https://registry.npmjs.org/pg-connection-string/-/pg-connection-string-2.3.0.tgz",
"integrity": "sha512-ukMTJXLI7/hZIwTW7hGMZJ0Lj0S2XQBCJ4Shv4y1zgQ/vqVea+FLhzywvPj0ujSuofu+yA4MYHGZPTsgjBgJ+w=="
},
"pg-int8": {
"version": "1.0.1",
"resolved": "https://registry.npmjs.org/pg-int8/-/pg-int8-1.0.1.tgz",
"integrity": "sha512-WCtabS6t3c8SkpDBUlb1kjOs7l66xsGdKpIPZsg4wR+B3+u9UAum2odSsF9tnvxg80h4ZxLWMy4pRjOsFIqQpw=="
},
"pg-pool": {
"version": "3.2.1",
"resolved": "https://registry.npmjs.org/pg-pool/-/pg-pool-3.2.1.tgz",
"integrity": "sha512-BQDPWUeKenVrMMDN9opfns/kZo4lxmSWhIqo+cSAF7+lfi9ZclQbr9vfnlNaPr8wYF3UYjm5X0yPAhbcgqNOdA=="
},
"pg-protocol": {
"version": "1.2.5",
"resolved": "https://registry.npmjs.org/pg-protocol/-/pg-protocol-1.2.5.tgz",
"integrity": "sha512-1uYCckkuTfzz/FCefvavRywkowa6M5FohNMF5OjKrqo9PSR8gYc8poVmwwYQaBxhmQdBjhtP514eXy9/Us2xKg=="
},
"pg-types": {
"version": "2.2.0",
"resolved": "https://registry.npmjs.org/pg-types/-/pg-types-2.2.0.tgz",
"integrity": "sha512-qTAAlrEsl8s4OiEQY69wDvcMIdQN6wdz5ojQiOy6YRMuynxenON0O5oCpJI6lshc6scgAY8qvJ2On/p+CXY0GA==",
"requires": {
"pg-int8": "1.0.1",
"postgres-array": "~2.0.0",
"postgres-bytea": "~1.0.0",
"postgres-date": "~1.0.4",
"postgres-interval": "^1.1.0"
}
},
"pgpass": {
"version": "1.0.2",
"resolved": "https://registry.npmjs.org/pgpass/-/pgpass-1.0.2.tgz",
"integrity": "sha1-Knu0G2BltnkH6R2hsHwYR8h3swY=",
"requires": {
"split": "^1.0.0"
}
},
"picomatch": {
"version": "2.2.2",
"resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.2.2.tgz",
"integrity": "sha512-q0M/9eZHzmr0AulXyPwNfZjtwZ/RBZlbN3K3CErVrk50T2ASYI7Bye0EvekFY3IP1Nt2DHu0re+V2ZHIpMkuWg==",
"dev": true
},
"postgres-array": {
"version": "2.0.0",
"resolved": "https://registry.npmjs.org/postgres-array/-/postgres-array-2.0.0.tgz",
"integrity": "sha512-VpZrUqU5A69eQyW2c5CA1jtLecCsN2U/bD6VilrFDWq5+5UIEVO7nazS3TEcHf1zuPYO/sqGvUvW62g86RXZuA=="
},
"postgres-bytea": {
"version": "1.0.0",
"resolved": "https://registry.npmjs.org/postgres-bytea/-/postgres-bytea-1.0.0.tgz",
"integrity": "sha1-AntTPAqokOJtFy1Hz5zOzFIazTU="
},
"postgres-date": {
"version": "1.0.6",
"resolved": "https://registry.npmjs.org/postgres-date/-/postgres-date-1.0.6.tgz",
"integrity": "sha512-o2a4gxeFcox+CgB3Ig/kNHBP23PiEXHCXx7pcIIsvzoNz4qv+lKTyiSkjOXIMNUl12MO/mOYl2K6wR9X5K6Plg=="
},
"postgres-interval": {
"version": "1.2.0",
"resolved": "https://registry.npmjs.org/postgres-interval/-/postgres-interval-1.2.0.tgz",
"integrity": "sha512-9ZhXKM/rw350N1ovuWHbGxnGh/SNJ4cnxHiM0rxE4VN41wsg8P8zWn9hv/buK00RP4WvlOyr/RBDiptyxVbkZQ==",
"requires": {
"xtend": "^4.0.0"
}
},
"prelude-ls": {
"version": "1.2.1",
"resolved": "https://registry.npmjs.org/prelude-ls/-/prelude-ls-1.2.1.tgz",
@ -2432,9 +2338,10 @@
"integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
},
"semver": {
"version": "4.3.2",
"resolved": "https://registry.npmjs.org/semver/-/semver-4.3.2.tgz",
"integrity": "sha1-x6BxWKgL7dBSNVt3DYLWZA+AO+c="
"version": "7.3.2",
"resolved": "https://registry.npmjs.org/semver/-/semver-7.3.2.tgz",
"integrity": "sha512-OrOb32TeeambH6UrhtShmF7CRDqhL6/5XpPNp2DuRH6+9QLw/orhp72j87v8Qa1ScDkvrrBNpZcDejAirJmfXQ==",
"dev": true
},
"send": {
"version": "0.17.1",
@ -2559,14 +2466,6 @@
"resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
"integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w="
},
"split": {
"version": "1.0.1",
"resolved": "https://registry.npmjs.org/split/-/split-1.0.1.tgz",
"integrity": "sha512-mTyOoPbrivtXnwnIxZRFYRrPNtEFKlpB2fvjSnCQUiAA6qAZzqwna5envK4uk6OIeP17CsdF3rSBGYVBsU0Tkg==",
"requires": {
"through": "2"
}
},
"sprintf-js": {
"version": "1.0.3",
"resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
@ -2719,11 +2618,6 @@
"integrity": "sha1-f17oI66AUgfACvLfSoTsP8+lcLQ=",
"dev": true
},
"through": {
"version": "2.3.8",
"resolved": "https://registry.npmjs.org/through/-/through-2.3.8.tgz",
"integrity": "sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU="
},
"to-fast-properties": {
"version": "2.0.0",
"resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-2.0.0.tgz",
@ -2986,11 +2880,6 @@
"mkdirp": "^0.5.1"
}
},
"xtend": {
"version": "4.0.2",
"resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
"integrity": "sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ=="
},
"y18n": {
"version": "4.0.0",
"resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.0.tgz",

1
package.json
View file

@ -19,7 +19,6 @@
"busboy": "^0.3.1",
"express": "^4.17.1",
"express-rate-limit": "^5.1.3",
"pg": "^8.3.2",
"st": "^2.0.0",
"winston": "^3.3.3"
},