mirror of
https://github.com/outline/outline.git
synced 2026-01-07 03:30:10 -06:00
721 lines
19 KiB
TypeScript
721 lines
19 KiB
TypeScript
/* eslint-disable @typescript-eslint/no-var-requires */
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// Load the process environment variables
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require("dotenv").config({
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silent: true,
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});
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import os from "os";
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import {
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validate,
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IsNotEmpty,
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IsUrl,
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IsOptional,
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IsByteLength,
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IsNumber,
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IsIn,
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IsEmail,
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IsBoolean,
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MaxLength,
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} from "class-validator";
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import { languages } from "@shared/i18n";
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import { CannotUseWithout } from "@server/utils/validators";
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import Deprecated from "./models/decorators/Deprecated";
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import { getArg } from "./utils/args";
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export class Environment {
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private validationPromise;
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constructor() {
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this.validationPromise = validate(this);
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}
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/**
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* Allows waiting on the environment to be validated.
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*
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* @returns A promise that resolves when the environment is validated.
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*/
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public validate() {
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return this.validationPromise;
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}
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/**
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* The current envionment name.
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*/
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@IsIn(["development", "production", "staging", "test"])
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public ENVIRONMENT = process.env.NODE_ENV ?? "production";
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/**
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* The secret key is used for encrypting data. Do not change this value once
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* set or your users will be unable to login.
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*/
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@IsByteLength(32, 64)
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public SECRET_KEY = process.env.SECRET_KEY ?? "";
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/**
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* The secret that should be passed to the cron utility endpoint to enable
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* triggering of scheduled tasks.
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*/
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@IsNotEmpty()
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public UTILS_SECRET = process.env.UTILS_SECRET ?? "";
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/**
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* The url of the database.
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*/
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@IsNotEmpty()
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@IsUrl({
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require_tld: false,
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allow_underscores: true,
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protocols: ["postgres", "postgresql"],
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})
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public DATABASE_URL = process.env.DATABASE_URL ?? "";
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/**
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* The url of the database pool.
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*/
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@IsOptional()
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@IsUrl({
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require_tld: false,
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allow_underscores: true,
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protocols: ["postgres", "postgresql"],
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})
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public DATABASE_CONNECTION_POOL_URL = this.toOptionalString(
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process.env.DATABASE_CONNECTION_POOL_URL
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);
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/**
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* Database connection pool configuration.
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*/
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@IsNumber()
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@IsOptional()
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public DATABASE_CONNECTION_POOL_MIN = this.toOptionalNumber(
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process.env.DATABASE_CONNECTION_POOL_MIN
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);
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/**
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* Database connection pool configuration.
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*/
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@IsNumber()
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@IsOptional()
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public DATABASE_CONNECTION_POOL_MAX = this.toOptionalNumber(
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process.env.DATABASE_CONNECTION_POOL_MAX
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);
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/**
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* Set to "disable" to disable SSL connection to the database. This option is
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* passed through to Postgres. See:
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*
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* https://www.postgresql.org/docs/current/libpq-connect.html#LIBPQ-CONNECT-SSLMODE
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*/
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@IsIn(["disable", "allow", "require", "prefer", "verify-ca", "verify-full"])
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@IsOptional()
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public PGSSLMODE = process.env.PGSSLMODE;
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/**
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* The url of redis. Note that redis does not have a database after the port.
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* Note: More extensive validation isn't included here due to our support for
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* base64-encoded configuration.
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*/
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@IsNotEmpty()
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public REDIS_URL = process.env.REDIS_URL;
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/**
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* The fully qualified, external facing domain name of the server.
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*/
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@IsNotEmpty()
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@IsUrl({ require_tld: false })
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public URL = process.env.URL || "";
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/**
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* If using a Cloudfront/Cloudflare distribution or similar it can be set below.
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* This will cause paths to javascript, stylesheets, and images to be updated to
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* the hostname defined in CDN_URL. In your CDN configuration the origin server
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* should be set to the same as URL.
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*/
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@IsOptional()
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@IsUrl()
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public CDN_URL = this.toOptionalString(process.env.CDN_URL);
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/**
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* The fully qualified, external facing domain name of the collaboration
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* service, if different (unlikely)
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*/
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@IsUrl({ require_tld: false, protocols: ["http", "https", "ws", "wss"] })
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@IsOptional()
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public COLLABORATION_URL = this.toOptionalString(
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process.env.COLLABORATION_URL
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);
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/**
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* The maximum number of network clients that can be connected to a single
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* document at once. Defaults to 100.
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*/
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@IsOptional()
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@IsNumber()
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public COLLABORATION_MAX_CLIENTS_PER_DOCUMENT = parseInt(
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process.env.COLLABORATION_MAX_CLIENTS_PER_DOCUMENT || "100",
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10
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);
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/**
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* The port that the server will listen on, defaults to 3000.
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*/
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@IsNumber()
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@IsOptional()
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public PORT = this.toOptionalNumber(process.env.PORT) ?? 3000;
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/**
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* Optional extra debugging. Comma separated
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*/
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public DEBUG = process.env.DEBUG || "";
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/**
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* Configure lowest severity level for server logs
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*/
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@IsIn(["error", "warn", "info", "http", "verbose", "debug", "silly"])
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public LOG_LEVEL = process.env.LOG_LEVEL || "info";
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/**
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* How many processes should be spawned. As a reasonable rule divide your
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* server's available memory by 512 for a rough estimate
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*/
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@IsNumber()
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@IsOptional()
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public WEB_CONCURRENCY = this.toOptionalNumber(process.env.WEB_CONCURRENCY);
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/**
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* How long a request should be processed before giving up and returning an
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* error response to the client, defaults to 10s
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*/
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@IsNumber()
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@IsOptional()
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public REQUEST_TIMEOUT =
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this.toOptionalNumber(process.env.REQUEST_TIMEOUT) ?? 10 * 1000;
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/**
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* Base64 encoded private key if Outline is to perform SSL termination.
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*/
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@IsOptional()
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@CannotUseWithout("SSL_CERT")
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public SSL_KEY = this.toOptionalString(process.env.SSL_KEY);
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/**
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* Base64 encoded public certificate if Outline is to perform SSL termination.
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*/
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@IsOptional()
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@CannotUseWithout("SSL_KEY")
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public SSL_CERT = this.toOptionalString(process.env.SSL_CERT);
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/**
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* The default interface language. See translate.getoutline.com for a list of
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* available language codes and their percentage translated.
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*/
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@IsIn(languages)
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public DEFAULT_LANGUAGE = process.env.DEFAULT_LANGUAGE ?? "en_US";
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/**
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* A comma separated list of which services should be enabled on this
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* instance – defaults to all.
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*
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* If a services flag is passed it takes priority over the environment variable
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* for example: --services=web,worker
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*/
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public SERVICES =
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getArg("services") ??
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process.env.SERVICES ??
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"collaboration,websockets,worker,web";
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/**
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* Auto-redirect to https in production. The default is true but you may set
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* to false if you can be sure that SSL is terminated at an external
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* loadbalancer.
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*/
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@IsBoolean()
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public FORCE_HTTPS = this.toBoolean(process.env.FORCE_HTTPS ?? "true");
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/**
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* Should the installation send anonymized statistics to the maintainers.
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* Defaults to true.
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*/
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@IsBoolean()
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public TELEMETRY = this.toBoolean(
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process.env.ENABLE_UPDATES ?? process.env.TELEMETRY ?? "true"
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);
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/**
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* An optional comma separated list of allowed domains.
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*/
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public ALLOWED_DOMAINS =
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process.env.ALLOWED_DOMAINS ?? process.env.GOOGLE_ALLOWED_DOMAINS;
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// Third-party services
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/**
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* The host of your SMTP server for enabling emails.
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*/
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public SMTP_HOST = process.env.SMTP_HOST;
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/**
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* Optional hostname of the client, used for identifying to the server
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* defaults to hostname of the machine.
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*/
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public SMTP_NAME = process.env.SMTP_NAME;
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/**
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* The port of your SMTP server.
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*/
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@IsNumber()
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@IsOptional()
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public SMTP_PORT = this.toOptionalNumber(process.env.SMTP_PORT);
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/**
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* The username of your SMTP server, if any.
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*/
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public SMTP_USERNAME = process.env.SMTP_USERNAME;
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/**
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* The password for the SMTP username, if any.
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*/
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public SMTP_PASSWORD = process.env.SMTP_PASSWORD;
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/**
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* The email address from which emails are sent.
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*/
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@IsEmail({ allow_display_name: true, allow_ip_domain: true })
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@IsOptional()
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public SMTP_FROM_EMAIL = this.toOptionalString(process.env.SMTP_FROM_EMAIL);
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/**
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* The reply-to address for emails sent from Outline. If unset the from
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* address is used by default.
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*/
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@IsEmail({ allow_display_name: true, allow_ip_domain: true })
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@IsOptional()
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public SMTP_REPLY_EMAIL = this.toOptionalString(process.env.SMTP_REPLY_EMAIL);
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/**
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* Override the cipher used for SMTP SSL connections.
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*/
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public SMTP_TLS_CIPHERS = this.toOptionalString(process.env.SMTP_TLS_CIPHERS);
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/**
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* If true (the default) the connection will use TLS when connecting to server.
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* If false then TLS is used only if server supports the STARTTLS extension.
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*
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* Setting secure to false therefore does not mean that you would not use an
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* encrypted connection.
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*/
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public SMTP_SECURE = this.toBoolean(process.env.SMTP_SECURE ?? "true");
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/**
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* Sentry DSN for capturing errors and frontend performance.
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*/
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@IsUrl()
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@IsOptional()
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public SENTRY_DSN = this.toOptionalString(process.env.SENTRY_DSN);
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/**
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* Sentry tunnel URL for bypassing ad blockers
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*/
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@IsUrl()
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@IsOptional()
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public SENTRY_TUNNEL = this.toOptionalString(process.env.SENTRY_TUNNEL);
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||
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/**
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* A release SHA or other identifier for Sentry.
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*/
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public RELEASE = this.toOptionalString(process.env.RELEASE);
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||
/**
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* A Google Analytics tracking ID, supports v3 or v4 properties.
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||
*/
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||
@IsOptional()
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public GOOGLE_ANALYTICS_ID = this.toOptionalString(
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process.env.GOOGLE_ANALYTICS_ID
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);
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||
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||
/**
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||
* A DataDog API key for tracking server metrics.
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||
*/
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public DD_API_KEY = process.env.DD_API_KEY;
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||
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/**
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* The name of the service to use in DataDog.
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||
*/
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public DD_SERVICE = process.env.DD_SERVICE ?? "outline";
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||
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||
/**
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||
* Google OAuth2 client credentials. To enable authentication with Google.
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||
*/
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||
@IsOptional()
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@CannotUseWithout("GOOGLE_CLIENT_SECRET")
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public GOOGLE_CLIENT_ID = this.toOptionalString(process.env.GOOGLE_CLIENT_ID);
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||
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@IsOptional()
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@CannotUseWithout("GOOGLE_CLIENT_ID")
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public GOOGLE_CLIENT_SECRET = this.toOptionalString(
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process.env.GOOGLE_CLIENT_SECRET
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||
);
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||
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||
/**
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* Slack OAuth2 client credentials. To enable authentication with Slack.
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*/
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||
@IsOptional()
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@Deprecated("Use SLACK_CLIENT_SECRET instead")
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public SLACK_SECRET = this.toOptionalString(process.env.SLACK_SECRET);
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||
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@IsOptional()
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@Deprecated("Use SLACK_CLIENT_ID instead")
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||
public SLACK_KEY = this.toOptionalString(process.env.SLACK_KEY);
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||
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||
@IsOptional()
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@CannotUseWithout("SLACK_CLIENT_SECRET")
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||
public SLACK_CLIENT_ID = this.toOptionalString(
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process.env.SLACK_CLIENT_ID ?? process.env.SLACK_KEY
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||
);
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||
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@IsOptional()
|
||
@CannotUseWithout("SLACK_CLIENT_ID")
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||
public SLACK_CLIENT_SECRET = this.toOptionalString(
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process.env.SLACK_CLIENT_SECRET ?? process.env.SLACK_SECRET
|
||
);
|
||
|
||
/**
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||
* This is used to verify webhook requests received from Slack.
|
||
*/
|
||
@IsOptional()
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||
public SLACK_VERIFICATION_TOKEN = this.toOptionalString(
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||
process.env.SLACK_VERIFICATION_TOKEN
|
||
);
|
||
|
||
/**
|
||
* This is injected into the slack-app-id header meta tag if provided.
|
||
*/
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||
@IsOptional()
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||
@CannotUseWithout("SLACK_CLIENT_ID")
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||
public SLACK_APP_ID = this.toOptionalString(process.env.SLACK_APP_ID);
|
||
|
||
/**
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||
* If enabled a "Post to Channel" button will be added to search result
|
||
* messages inside of Slack. This also requires setup in Slack UI.
|
||
*/
|
||
@IsOptional()
|
||
@IsBoolean()
|
||
public SLACK_MESSAGE_ACTIONS = this.toBoolean(
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||
process.env.SLACK_MESSAGE_ACTIONS ?? "false"
|
||
);
|
||
|
||
/**
|
||
* Azure OAuth2 client credentials. To enable authentication with Azure.
|
||
*/
|
||
@IsOptional()
|
||
@CannotUseWithout("AZURE_CLIENT_SECRET")
|
||
public AZURE_CLIENT_ID = this.toOptionalString(process.env.AZURE_CLIENT_ID);
|
||
|
||
@IsOptional()
|
||
@CannotUseWithout("AZURE_CLIENT_ID")
|
||
public AZURE_CLIENT_SECRET = this.toOptionalString(
|
||
process.env.AZURE_CLIENT_SECRET
|
||
);
|
||
|
||
@IsOptional()
|
||
@CannotUseWithout("AZURE_CLIENT_ID")
|
||
public AZURE_RESOURCE_APP_ID = this.toOptionalString(
|
||
process.env.AZURE_RESOURCE_APP_ID
|
||
);
|
||
|
||
/**
|
||
* OICD client credentials. To enable authentication with any
|
||
* compatible provider.
|
||
*/
|
||
@IsOptional()
|
||
@CannotUseWithout("OIDC_CLIENT_SECRET")
|
||
@CannotUseWithout("OIDC_AUTH_URI")
|
||
@CannotUseWithout("OIDC_TOKEN_URI")
|
||
@CannotUseWithout("OIDC_USERINFO_URI")
|
||
@CannotUseWithout("OIDC_DISPLAY_NAME")
|
||
public OIDC_CLIENT_ID = this.toOptionalString(process.env.OIDC_CLIENT_ID);
|
||
|
||
@IsOptional()
|
||
@CannotUseWithout("OIDC_CLIENT_ID")
|
||
public OIDC_CLIENT_SECRET = this.toOptionalString(
|
||
process.env.OIDC_CLIENT_SECRET
|
||
);
|
||
|
||
/**
|
||
* The name of the OIDC provider, eg "GitLab" – this will be displayed on the
|
||
* sign-in button and other places in the UI. The default value is:
|
||
* "OpenID Connect".
|
||
*/
|
||
@MaxLength(50)
|
||
public OIDC_DISPLAY_NAME = process.env.OIDC_DISPLAY_NAME ?? "OpenID Connect";
|
||
|
||
/**
|
||
* The OIDC authorization endpoint.
|
||
*/
|
||
@IsOptional()
|
||
@IsUrl({
|
||
require_tld: false,
|
||
allow_underscores: true,
|
||
})
|
||
public OIDC_AUTH_URI = this.toOptionalString(process.env.OIDC_AUTH_URI);
|
||
|
||
/**
|
||
* The OIDC token endpoint.
|
||
*/
|
||
@IsOptional()
|
||
@IsUrl({
|
||
require_tld: false,
|
||
allow_underscores: true,
|
||
})
|
||
public OIDC_TOKEN_URI = this.toOptionalString(process.env.OIDC_TOKEN_URI);
|
||
|
||
/**
|
||
* The OIDC userinfo endpoint.
|
||
*/
|
||
@IsOptional()
|
||
@IsUrl({
|
||
require_tld: false,
|
||
allow_underscores: true,
|
||
})
|
||
public OIDC_USERINFO_URI = this.toOptionalString(
|
||
process.env.OIDC_USERINFO_URI
|
||
);
|
||
|
||
/**
|
||
* The OIDC profile field to use as the username. The default value is
|
||
* "preferred_username".
|
||
*/
|
||
public OIDC_USERNAME_CLAIM =
|
||
process.env.OIDC_USERNAME_CLAIM ?? "preferred_username";
|
||
|
||
/**
|
||
* A space separated list of OIDC scopes to request. Defaults to "openid
|
||
* profile email".
|
||
*/
|
||
public OIDC_SCOPES = process.env.OIDC_SCOPES ?? "openid profile email";
|
||
|
||
/**
|
||
* A string representing the version of the software.
|
||
*
|
||
* SOURCE_COMMIT is used by Docker Hub
|
||
* SOURCE_VERSION is used by Heroku
|
||
*/
|
||
public VERSION = this.toOptionalString(
|
||
process.env.SOURCE_COMMIT || process.env.SOURCE_VERSION
|
||
);
|
||
|
||
/**
|
||
* A boolean switch to toggle the rate limiter at application web server.
|
||
*/
|
||
@IsOptional()
|
||
@IsBoolean()
|
||
public RATE_LIMITER_ENABLED = this.toBoolean(
|
||
process.env.RATE_LIMITER_ENABLED ?? "false"
|
||
);
|
||
|
||
/**
|
||
* Set max allowed requests in a given duration for default rate limiter to
|
||
* trigger throttling, per IP address.
|
||
*/
|
||
@IsOptional()
|
||
@IsNumber()
|
||
@CannotUseWithout("RATE_LIMITER_ENABLED")
|
||
public RATE_LIMITER_REQUESTS =
|
||
this.toOptionalNumber(process.env.RATE_LIMITER_REQUESTS) ?? 1000;
|
||
|
||
/**
|
||
* Set max allowed realtime connections before throttling. Defaults to 50
|
||
* requests/ip/duration window.
|
||
*/
|
||
@IsOptional()
|
||
@IsNumber()
|
||
public RATE_LIMITER_COLLABORATION_REQUESTS =
|
||
this.toOptionalNumber(process.env.RATE_LIMITER_COLLABORATION_REQUESTS) ??
|
||
50;
|
||
|
||
/**
|
||
* Set fixed duration window(in secs) for default rate limiter, elapsing which
|
||
* the request quota is reset (the bucket is refilled with tokens).
|
||
*/
|
||
@IsOptional()
|
||
@IsNumber()
|
||
@CannotUseWithout("RATE_LIMITER_ENABLED")
|
||
public RATE_LIMITER_DURATION_WINDOW =
|
||
this.toOptionalNumber(process.env.RATE_LIMITER_DURATION_WINDOW) ?? 60;
|
||
|
||
/**
|
||
* @deprecated Set max allowed upload size for file attachments.
|
||
*/
|
||
@IsOptional()
|
||
@IsNumber()
|
||
@Deprecated("Use FILE_STORAGE_UPLOAD_MAX_SIZE instead")
|
||
public AWS_S3_UPLOAD_MAX_SIZE = this.toOptionalNumber(
|
||
process.env.AWS_S3_UPLOAD_MAX_SIZE
|
||
);
|
||
|
||
/**
|
||
* Access key ID for AWS S3.
|
||
*/
|
||
@IsOptional()
|
||
public AWS_ACCESS_KEY_ID = this.toOptionalString(
|
||
process.env.AWS_ACCESS_KEY_ID
|
||
);
|
||
|
||
/**
|
||
* Secret key for AWS S3.
|
||
*/
|
||
@IsOptional()
|
||
@CannotUseWithout("AWS_ACCESS_KEY_ID")
|
||
public AWS_SECRET_ACCESS_KEY = this.toOptionalString(
|
||
process.env.AWS_SECRET_ACCESS_KEY
|
||
);
|
||
|
||
/**
|
||
* The name of the AWS S3 region to use.
|
||
*/
|
||
@IsOptional()
|
||
public AWS_REGION = this.toOptionalString(process.env.AWS_REGION);
|
||
|
||
/**
|
||
* Optional AWS S3 endpoint URL for file attachments.
|
||
*/
|
||
@IsOptional()
|
||
public AWS_S3_ACCELERATE_URL = this.toOptionalString(
|
||
process.env.AWS_S3_ACCELERATE_URL
|
||
);
|
||
|
||
/**
|
||
* Optional AWS S3 endpoint URL for file attachments.
|
||
*/
|
||
@IsOptional()
|
||
public AWS_S3_UPLOAD_BUCKET_URL = process.env.AWS_S3_UPLOAD_BUCKET_URL ?? "";
|
||
|
||
/**
|
||
* The bucket name to store file attachments in.
|
||
*/
|
||
@IsOptional()
|
||
public AWS_S3_UPLOAD_BUCKET_NAME = this.toOptionalString(
|
||
process.env.AWS_S3_UPLOAD_BUCKET_NAME
|
||
);
|
||
|
||
/**
|
||
* Whether to force path style URLs for S3 objects, this is required for some
|
||
* S3-compatible storage providers.
|
||
*/
|
||
@IsOptional()
|
||
public AWS_S3_FORCE_PATH_STYLE = this.toBoolean(
|
||
process.env.AWS_S3_FORCE_PATH_STYLE ?? "true"
|
||
);
|
||
|
||
/**
|
||
* Set default AWS S3 ACL for file attachments.
|
||
*/
|
||
@IsOptional()
|
||
public AWS_S3_ACL = process.env.AWS_S3_ACL ?? "private";
|
||
|
||
/**
|
||
* Which file storage system to use
|
||
*/
|
||
@IsIn(["local", "s3"])
|
||
public FILE_STORAGE = this.toOptionalString(process.env.FILE_STORAGE) ?? "s3";
|
||
|
||
/**
|
||
* Set default root dir path for local file storage
|
||
*/
|
||
public FILE_STORAGE_LOCAL_ROOT_DIR =
|
||
this.toOptionalString(process.env.FILE_STORAGE_LOCAL_ROOT_DIR) ??
|
||
"/var/lib/outline/data";
|
||
|
||
/**
|
||
* Set max allowed upload size for file attachments.
|
||
*/
|
||
@IsNumber()
|
||
public FILE_STORAGE_UPLOAD_MAX_SIZE =
|
||
this.toOptionalNumber(process.env.FILE_STORAGE_UPLOAD_MAX_SIZE) ??
|
||
this.toOptionalNumber(process.env.AWS_S3_UPLOAD_MAX_SIZE) ??
|
||
100000000;
|
||
|
||
/**
|
||
* Because imports can be much larger than regular file attachments and are
|
||
* deleted automatically we allow an optional separate limit on the size of
|
||
* imports.
|
||
*/
|
||
@IsNumber()
|
||
public MAXIMUM_IMPORT_SIZE = Math.max(
|
||
this.toOptionalNumber(process.env.MAXIMUM_IMPORT_SIZE) ?? 100000000,
|
||
this.FILE_STORAGE_UPLOAD_MAX_SIZE
|
||
);
|
||
|
||
/**
|
||
* Limit on export size in bytes. Defaults to the total memory available to
|
||
* the container.
|
||
*/
|
||
@IsNumber()
|
||
public MAXIMUM_EXPORT_SIZE =
|
||
this.toOptionalNumber(process.env.MAXIMUM_EXPORT_SIZE) ?? os.totalmem();
|
||
|
||
/**
|
||
* Iframely url
|
||
*/
|
||
@IsOptional()
|
||
@IsUrl({
|
||
require_tld: false,
|
||
allow_underscores: true,
|
||
protocols: ["http", "https"],
|
||
})
|
||
public IFRAMELY_URL = process.env.IFRAMELY_URL ?? "https://iframe.ly";
|
||
|
||
/**
|
||
* Iframely API key
|
||
*/
|
||
@IsOptional()
|
||
@CannotUseWithout("IFRAMELY_URL")
|
||
public IFRAMELY_API_KEY = this.toOptionalString(process.env.IFRAMELY_API_KEY);
|
||
|
||
/**
|
||
* The product name
|
||
*/
|
||
public APP_NAME = "Outline";
|
||
|
||
/**
|
||
* Returns true if the current installation is the cloud hosted version at
|
||
* getoutline.com
|
||
*/
|
||
public get isCloudHosted() {
|
||
return [
|
||
"https://app.getoutline.com",
|
||
"https://app.outline.dev",
|
||
"https://app.outline.dev:3000",
|
||
].includes(this.URL);
|
||
}
|
||
|
||
private toOptionalString(value: string | undefined) {
|
||
return value ? value : undefined;
|
||
}
|
||
|
||
private toOptionalNumber(value: string | undefined) {
|
||
return value ? parseInt(value, 10) : undefined;
|
||
}
|
||
|
||
/**
|
||
* Convert a string to a boolean. Supports the following:
|
||
*
|
||
* 0 = false
|
||
* 1 = true
|
||
* "true" = true
|
||
* "false" = false
|
||
* "" = false
|
||
*
|
||
* @param value The string to convert
|
||
* @returns A boolean
|
||
*/
|
||
private toBoolean(value: string) {
|
||
return value ? !!JSON.parse(value) : false;
|
||
}
|
||
}
|
||
|
||
const env = new Environment();
|
||
|
||
export default env;
|