0.14.14: Misc bugfixes in migrations & AsyncCollection keys

- Create migration directives & migrators
- Modify Cache classes to support array manipulation
- Create Redis unit and RedisCache implementation
- Create Queueable base class and Queue class that uses Cache backend

.drone.yml

@@ -1,143 +1,87 @@
+---
 kind: pipeline
-name: default
+type: kubernetes
-type: docker
+name: docs
-steps:
-  - name: post build in progress comment to PR
-    image: tsakidev/giteacomment:latest
-    settings:
-      gitea_token:
-        from_secret: gitea_token
-      gitea_base_url: https://code.garrettmills.dev
-      comment: "Build ${DRONE_BUILD_NUMBER} started."
-    when:
-      event: pull_request
 
-  - name: build module
+metadata:
-    image: glmdev/node-pnpm:latest
+  labels:
+    pod-security.kubernetes.io/audit: privileged
+
+services:
+  - name: docker daemon
+    image: docker:dind
+    privileged: true
+    environment:
+      DOCKER_TLS_CERTDIR: ""
+    when:
+      event: tag
+
+steps:
+  - name: typedoc build
+    image: node:18
     commands:
+      - "node -v"
+      - "npm add --global pnpm"
+      - "pnpm --version"
+      - pnpm i
+      - pnpm run docs:build
+
+  - name: container build
+    image: docker:latest
+    privileged: true
+    commands:
+      - "while ! docker stats --no-stream; do sleep 1; done"
+      - docker image build docs -t $DOCKER_REGISTRY/extollo/docs:latest
+      - docker push $DOCKER_REGISTRY/extollo/docs:latest
+    environment:
+      DOCKER_HOST: tcp://localhost:2375
+      DOCKER_REGISTRY:
+        from_secret: DOCKER_REGISTRY
+    when:
+      event: tag
+      status: success
+
+  - name: k8s rollout
+    image: bitnami/kubectl
+    commands:
+      - cd docs/deploy && kubectl apply -f .
+      - kubectl rollout restart -n extollo deployment/docs
+    when:
+      event: tag
+      status: success
+
+---
+kind: pipeline
+type: kubernetes
+name: npm
+
+steps:
+  - name: node.js build
+    image: node:18
+    commands:
+      - "npm add --global pnpm"
       - pnpm i
       - pnpm build
-      - mkdir artifacts
-      - tar czf artifacts/extollo-lib.tar.gz lib
 
-  - name: create Gitea release
+  - name: gitea release
     image: plugins/gitea-release
     settings:
       api_key:
-        from_secret: gitea_token
+        from_secret: GITEA_TOKEN
       base_url: https://code.garrettmills.dev
       checksum: md5
       title: ${DRONE_TAG}
-      files: "artifacts/*"
     when:
       event: tag
       status: success
 
-  - name: prepare NPM release
+  - name: npm release
-    image: glmdev/node-pnpm:latest
-    commands:
-      - rm -rf artifacts
-    when:
-      event: tag
-      status: success
-
-  - name: create NPM release
     image: plugins/npm
     settings:
       username: extollo_bot
       password:
-        from_secret: npm_password
+        from_secret: NPM_PASSWORD
       email: extollo@garrettmills.dev
     when:
       event: tag
       status: success
-
-  - name: send build success notifications
-    image: plugins/webhook
-    settings:
-      urls:
-        from_secret: notify_webhook_url
-      content_type: application/json
-      template: |
-        {
-          "title": "Drone-CI [extollo/lib @ ${DRONE_BUILD_NUMBER}]",
-          "message": "Build completed successfully.",
-          "priority": 4
-        }
-    when:
-      status: success
-      event:
-        exclude:
-          - pull_request
-          - tag
-
-  - name: send publish success notifications
-    image: plugins/webhook
-    settings:
-      urls:
-        from_secret: notify_webhook_url
-      content_type: application/json
-      template: |
-        {
-          "title": "Drone-CI [extollo/lib @ ${DRONE_BUILD_NUMBER}]",
-          "message": "Successfully published tag ${DRONE_TAG}.",
-          "priority": 4
-        }
-    when:
-      status: success
-      event: tag
-
-  - name: post build success comment to PR
-    image: tsakidev/giteacomment:latest
-    settings:
-      gitea_token:
-        from_secret: gitea_token
-      gitea_base_url: https://code.garrettmills.dev
-      comment: "Build ${DRONE_BUILD_NUMBER} completed successfully."
-    when:
-      status: success
-      event: pull_request
-
-  - name: send build error notifications
-    image: plugins/webhook
-    settings:
-      urls:
-        from_secret: notify_webhook_url
-      content_type: application/json
-      template: |
-        {
-          "title": "Drone-CI [extollo/lib @ ${DRONE_BUILD_NUMBER}]",
-          "message": "Build failed!",
-          "priority": 6
-        }
-    when:
-      status: failure
-      event:
-        exclude:
-          - pull_request
-
-  - name: post build error comment to PR
-    image: tsakidev/giteacomment:latest
-    settings:
-      gitea_token:
-        from_secret: gitea_token
-      gitea_base_url: https://code.garrettmills.dev
-      comment: "Build ${DRONE_BUILD_NUMBER} failed!"
-    when:
-      status: failure
-      event: pull_request
-
-  - name: trigger documentation build
-    image: plugins/downstream
-    settings:
-      server: https://ci.garrettmills.dev
-      token:
-        from_secret: drone_token
-      fork: false
-      last_successful: true
-      deploy: production
-      repositories:
-        - Extollo/docs@master
-    when:
-      status: success
-      event: tag

.eslintignore

@@ -0,0 +1,3 @@
+node_modules
+lib
+dist

.eslintrc.json

@@ -0,0 +1,113 @@
+{
+    "env": {
+        "browser": true,
+        "es2021": true
+    },
+    "extends": [
+        "eslint:recommended",
+        "plugin:@typescript-eslint/eslint-recommended",
+        "plugin:@typescript-eslint/recommended"
+    ],
+    "parser": "@typescript-eslint/parser",
+    "parserOptions": {
+        "ecmaVersion": 12,
+        "sourceType": "module"
+    },
+    "plugins": [
+        "@typescript-eslint"
+    ],
+    "rules": {
+        "indent": [
+            "error",
+            4
+        ],
+        "linebreak-style": [
+            "error",
+            "unix"
+        ],
+        "quotes": [
+            "error",
+            "single",
+            {
+                "allowTemplateLiterals": true
+            }
+        ],
+        "semi": [
+            "error",
+            "never"
+        ],
+        "no-console": "error",
+        "curly": "error",
+        "eqeqeq": "error",
+        "guard-for-in": "error",
+        "no-alert": "error",
+        "no-caller": "error",
+        "no-constructor-return": "error",
+        "no-eval": "error",
+        "no-implicit-coercion": "error",
+        "no-implied-eval": "error",
+        "no-invalid-this": "error",
+        "no-return-await": "error",
+        "no-throw-literal": "error",
+        "no-useless-call": "error",
+        "radix": "error",
+        "yoda": "error",
+        "@typescript-eslint/no-shadow": "error",
+        "brace-style": "error",
+        "camelcase": "error",
+        "comma-dangle": [
+            "error",
+            "always-multiline"
+        ],
+        "comma-spacing": [
+            "error",
+            {
+                "before": false,
+                "after": true
+            }
+        ],
+        "comma-style": [
+            "error",
+            "last"
+        ],
+        "computed-property-spacing": [
+            "error",
+            "never"
+        ],
+        "eol-last": "error",
+        "func-call-spacing": [
+            "error",
+            "never"
+        ],
+        "keyword-spacing": [
+            "error",
+            {
+                "before": true,
+                "after": true
+            }
+        ],
+        "lines-between-class-members": "error",
+        "max-params": [
+            "error",
+            4
+        ],
+        "new-parens": [
+            "error",
+            "always"
+        ],
+        "newline-per-chained-call": "error",
+        "no-trailing-spaces": "error",
+        "no-underscore-dangle": "error",
+        "no-unneeded-ternary": "error",
+        "no-whitespace-before-property": "error",
+        "object-property-newline": "error",
+        "prefer-exponentiation-operator": "error",
+        "prefer-object-spread": "error",
+        "spaced-comment": [
+            "error",
+            "always"
+        ],
+        "prefer-const": "error",
+        "@typescript-eslint/no-explicit-any": "off"
+    }
+}

.gitignore

@@ -1,3 +1,5 @@
+.undodir
+
 # ---> JetBrains
 # Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio, WebStorm and Rider
 # Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839

.idea/codeStyles/Project.xml

@@ -0,0 +1,55 @@
+<component name="ProjectCodeStyleConfiguration">
+  <code_scheme name="Project" version="173">
+    <JSCodeStyleSettings version="0">
+      <option name="USE_SEMICOLON_AFTER_STATEMENT" value="false" />
+      <option name="FORCE_SEMICOLON_STYLE" value="true" />
+      <option name="USE_DOUBLE_QUOTES" value="false" />
+      <option name="FORCE_QUOTE_STYlE" value="true" />
+      <option name="ENFORCE_TRAILING_COMMA" value="WhenMultiline" />
+      <option name="OBJECT_LITERAL_WRAP" value="2" />
+    </JSCodeStyleSettings>
+    <TypeScriptCodeStyleSettings version="0">
+      <option name="USE_SEMICOLON_AFTER_STATEMENT" value="false" />
+      <option name="FORCE_SEMICOLON_STYLE" value="true" />
+      <option name="USE_DOUBLE_QUOTES" value="false" />
+      <option name="FORCE_QUOTE_STYlE" value="true" />
+      <option name="ENFORCE_TRAILING_COMMA" value="WhenMultiline" />
+      <option name="OBJECT_LITERAL_WRAP" value="2" />
+    </TypeScriptCodeStyleSettings>
+    <editorconfig>
+      <option name="ENABLED" value="false" />
+    </editorconfig>
+    <codeStyleSettings language="JavaScript">
+      <option name="INDENT_CASE_FROM_SWITCH" value="false" />
+      <option name="ALIGN_MULTILINE_PARAMETERS" value="false" />
+      <option name="ALIGN_MULTILINE_FOR" value="false" />
+      <option name="METHOD_CALL_CHAIN_WRAP" value="2" />
+      <option name="IF_BRACE_FORCE" value="3" />
+      <option name="DOWHILE_BRACE_FORCE" value="3" />
+      <option name="WHILE_BRACE_FORCE" value="3" />
+      <option name="FOR_BRACE_FORCE" value="3" />
+    </codeStyleSettings>
+    <codeStyleSettings language="PHP">
+      <indentOptions>
+        <option name="USE_TAB_CHARACTER" value="true" />
+        <option name="SMART_TABS" value="true" />
+      </indentOptions>
+    </codeStyleSettings>
+    <codeStyleSettings language="Shell Script">
+      <indentOptions>
+        <option name="INDENT_SIZE" value="4" />
+        <option name="TAB_SIZE" value="4" />
+      </indentOptions>
+    </codeStyleSettings>
+    <codeStyleSettings language="TypeScript">
+      <option name="INDENT_CASE_FROM_SWITCH" value="false" />
+      <option name="ALIGN_MULTILINE_PARAMETERS" value="false" />
+      <option name="ALIGN_MULTILINE_FOR" value="false" />
+      <option name="METHOD_CALL_CHAIN_WRAP" value="2" />
+      <option name="IF_BRACE_FORCE" value="3" />
+      <option name="DOWHILE_BRACE_FORCE" value="3" />
+      <option name="WHILE_BRACE_FORCE" value="3" />
+      <option name="FOR_BRACE_FORCE" value="3" />
+    </codeStyleSettings>
+  </code_scheme>
+</component>

.idea/codeStyles/codeStyleConfig.xml

@@ -0,0 +1,5 @@
+<component name="ProjectCodeStyleConfiguration">
+  <state>
+    <option name="USE_PER_PROJECT_SETTINGS" value="true" />
+  </state>
+</component>

.idea/dataSources.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="DataSourceManagerImpl" format="xml" multifile-model="true">
+    <data-source source="LOCAL" name="mongo@localhost" uuid="b05ce3f5-fadc-47d6-8621-e232ed1ad2f3">
+      <driver-ref>mongo</driver-ref>
+      <synchronize>true</synchronize>
+      <jdbc-driver>com.dbschema.MongoJdbcDriver</jdbc-driver>
+      <jdbc-url>mongodb://localhost:27017/extollo_1</jdbc-url>
+      <working-dir>$ProjectFileDir$</working-dir>
+    </data-source>
+    <data-source source="LOCAL" name="extollo_1@db03.platform.local" uuid="c8dc268d-b69d-497a-9e6d-b5c6e5275835">
+      <driver-ref>postgresql</driver-ref>
+      <synchronize>true</synchronize>
+      <jdbc-driver>org.postgresql.Driver</jdbc-driver>
+      <jdbc-url>jdbc:postgresql://db03.platform.local:5432/extollo_1</jdbc-url>
+      <working-dir>$ProjectFileDir$</working-dir>
+    </data-source>
+  </component>
+</project>

.idea/lib.iml

@@ -4,5 +4,6 @@
     <content url="file://$MODULE_DIR$" />
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="module" module-name="extollo" />
   </component>
 </module>

.idea/modules.xml

@@ -2,6 +2,7 @@
 <project version="4">
   <component name="ProjectModuleManager">
     <modules>
+      <module fileurl="file://$PROJECT_DIR$/../app/.idea/extollo.iml" filepath="$PROJECT_DIR$/../app/.idea/extollo.iml" />
       <module fileurl="file://$PROJECT_DIR$/.idea/lib.iml" filepath="$PROJECT_DIR$/.idea/lib.iml" />
     </modules>
   </component>

.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>

docs/.gitignore

@@ -0,0 +1 @@
+www*

docs/Dockerfile

@@ -0,0 +1,4 @@
+FROM joseluisq/static-web-server:2
+
+COPY ./www /public
+

docs/HOME.md

@@ -0,0 +1,31 @@
+<center>
+<br>
+<img alt="The Extollo logo" src="https://static.garrettmills.dev/sites/extollo/docs/assets/logo/svg/Extollo-Icon-and-Text-LIGHT-Final.svg" height="150">
+<br><br>
+<b>extollo</b> - (v. <em>latin</em>) - to lift up, to elevate
+<br><br>
+Extollo is a <a href="https://www.gnu.org/philosophy/floss-and-foss.en.html" target="_blank">free & libre</a> application framework in TypeScript.
+</center>
+<hr>
+
+Built on principles of modularity, strict-typing, inversion-of-control, and developer ergonomics, Extollo enables developers to build maintainable, scalable, and expressive applications.
+
+Node.js provides an excellent platform for quickly getting an application up and running, but this loose minimalism can lead to larger, more unweildy code-bases as your application grows. Extollo fixes this by providing an opinionated, robust framework and first-party modules that provide, among other things:
+
+- Type-based dependency injection
+- Strongly-typed ORM with an expressive query-builder and models
+- Customizable session & caching interfaces
+- Modular, pre-compiled, nest-able routes
+- First-party, extensible command line tools
+- Unit-based application structure
+
+## Getting Started
+Writing an application with Extollo is very straightforward if you are familiar with Node.js/TypeScript, or similar frameworks like Laravel.
+
+Check out the [Getting Started](pages/Getting-Started.html) page site for more information.
+
+## License & Philosophy
+The Extollo project is, and will always be, free & libre software. The framework itself is open-source available [here](https://code.garrettmills.dev/Extollo), and is licensed under the terms of the MIT license. See the LICENSE file for more information.
+
+## Contributing
+Have an improvement or fix to Extollo? Contributors are always welcome. See the CONTRIBUTING.md file for next steps.

docs/deploy/00-namespace.yaml

@@ -0,0 +1,5 @@
+---
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: extollo

docs/deploy/10-deployment.yaml

@@ -0,0 +1,23 @@
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: docs
+  namespace: extollo
+spec:
+  selector:
+    matchLabels:
+      app: docs
+  template:
+    metadata:
+      name: docs
+      namespace: extollo
+      labels:
+        app: docs
+    spec:
+      containers:
+        - name: docs-www
+          image: registry.millslan.net/extollo/docs
+          imagePullPolicy: Always
+          ports:
+            - containerPort: 80

docs/deploy/15-service.yaml

@@ -0,0 +1,25 @@
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: docs-service
+  namespace: extollo
+spec:
+  selector:
+    app: docs
+  ports:
+    - port: 80
+      targetPort: 80
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: docs-service-lb
+  namespace: extollo
+spec:
+  type: LoadBalancer
+  selector:
+    app: docs
+  ports:
+    - port: 80
+      targetPort: 80

docs/deploy/20-certificate.yaml

@@ -0,0 +1,13 @@
+---
+apiVersion: cert-manager.io/v1
+kind: Certificate
+metadata:
+  name: docs-tls
+  namespace: extollo
+spec:
+  secretName: docs-tls-secret
+  dnsNames:
+    - 'extollo.garrettmills.dev'
+  issuerRef:
+    name: letsencrypt-ca
+    kind: ClusterIssuer

docs/deploy/20-ingress.yaml

@@ -0,0 +1,25 @@
+---
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: docs-ingress
+  namespace: extollo
+  annotations:
+    nginx.ingress.kubernetes.io/ssl-redirect: 'false'
+spec:
+  tls:
+    - hosts:
+        - extollo.garrettmills.dev
+      secretName: docs-tls-secret
+  ingressClassName: nginx
+  rules:
+    - host: extollo.garrettmills.dev
+      http:
+        paths:
+          - pathType: Prefix
+            path: '/'
+            backend:
+              service:
+                name: docs-service
+                port:
+                  number: 80

docs/pages/Getting-Started.md

@@ -0,0 +1,6 @@
+
+## Requirements
+
+- Node.js v14 or later
+- [PNPM](https://pnpm.js.org/) (not NPM/Yarn)
+- Postgres credentials (if you want to use [@extollo/orm](../modules/orm_src.html))

docs/sourcefile-map.json

@@ -0,0 +1,6 @@
+[
+  {
+    "pattern": "^",
+    "replace": "https://code.garrettmills.dev/extollo/lib/src/branch/master/"
+  }
+]

docs/static/humans.txt

@@ -0,0 +1,19 @@
+/* PROJECT */
+
+    Site Name:   The Extollo Framework
+    Site URL:    https://extollo.garrettmills.dev/
+    Created:     2021/03/24
+    Standards:   HTML5, CSS3
+    Software:    TypeDoc
+
+/* AUTHOR */
+
+    Name:        Garrett Mills
+    Location:    Lawrence, Kansas
+    Site:        https://garrettmills.dev/
+    Blog:        https://garrettmills.dev/blog/
+    Contact:     https://garrettmills.dev/#contact
+
+/* THANKS */
+
+    To Piper Mills for the excellent font, color, and logo design.

docs/theme/assets/css/pages.css

@@ -0,0 +1,64 @@
+h2 code {
+	font-size: 1em;
+}
+
+h3 code {
+	font-size: 1em;
+}
+
+.tsd-navigation.primary ul {
+	border-bottom: none;
+}
+
+.tsd-navigation.primary li {
+	border-top: none;
+}
+
+.tsd-navigation li.label.pp-nav.pp-group:first-child span {
+	padding-top: 0;
+}
+
+.tsd-navigation li.label.pp-nav.pp-group {
+	font-weight: 700;
+	border-bottom: 1px solid #eee;
+}
+
+.tsd-navigation li.label.pp-nav.pp-group span {
+	color: #222;
+}
+
+.tsd-navigation li.pp-nav.pp-page.current {
+	background-color: #f8f8f8;
+	border-left: 2px solid #222;
+}
+
+.tsd-navigation li.pp-nav.pp-page.current a {
+	color: #222;
+}
+
+.tsd-navigation li.pp-nav.pp-page.pp-parent.pp-active {
+	border-left: 2px solid #eee;
+}
+
+.tsd-navigation li.pp-nav.pp-page.pp-child {
+	border-left: 2px solid #eee;
+    padding-left: 15px;
+}
+
+.tsd-navigation li.pp-nav.pp-page.pp-child.current {
+	border-left: 2px solid #222;
+}
+
+.tsd-kind-page .tsd-kind-icon:before {
+	display: inline-block;
+	vertical-align: middle;
+	height: 16px;
+	width: 16px;
+	content: "";
+	background-image: url("../images/page-icon.svg");
+	background-size: 16px 16px;
+}
+
+#tsd-search .results span.parent {
+	color: #b3b2b2 !important;
+}

docs/theme/assets/images/page-icon.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="#AA43FF" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-file-text"><path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z"></path><polyline points="14 2 14 8 20 8"></polyline><line x1="16" y1="13" x2="8" y2="13"></line><line x1="16" y1="17" x2="8" y2="17"></line><polyline points="10 9 9 9 8 9"></polyline></svg>

docs/theme/assets/logo/svg/Extollo-Icon-NO-TEXT-light-and-dark-Final.svg

@@ -0,0 +1 @@
+<svg id="Layer_1" data-name="Layer 1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 336.67 432"><defs><style>.cls-1{fill:#49686a;}.cls-2{fill:#f2c373;}.cls-3{fill:#2e5252;}.cls-4{fill:#ffe293;}</style></defs><polygon class="cls-1" points="39.28 359.8 202.72 4.89 336.67 303.76 280.63 303.76 194.94 129.42 98.43 359.8 39.28 359.8"/><polygon class="cls-2" points="335.04 310.28 308.57 366.31 252.54 366.31 279 310.28 335.04 310.28"/><polygon class="cls-3" points="246.02 363.06 272.49 307.02 194.94 145.7 165.56 215.83 246.02 363.06"/><polygon class="cls-3" points="194.58 0 140.1 0 0 298.88 31.13 354.92 194.58 0"/><ellipse class="cls-4" cx="170.63" cy="420.6" rx="122.95" ry="11.4"/></svg>

docs/theme/assets/logo/svg/Extollo-Icon-and-Text-DARK-Final.svg

@@ -0,0 +1 @@
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docs/theme/assets/logo/svg/Extollo-Icon-and-Text-LIGHT-Final.svg

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docs/theme/assets/logo/svg/Extollo-Text-NO-ICON-Dark-final.svg

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docs/theme/assets/logo/svg/Extollo-Text-NO-ICON-Light-final.svg

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docs/theme/layouts/default.hbs

@@ -0,0 +1,51 @@
+<!doctype html>
+<html class="default no-js">
+<head>
+    <meta charset="utf-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <title>{{#ifCond model.name '==' project.name}}{{project.name}}{{else}}{{model.name}} | {{project.name}}{{/ifCond}}</title>
+    <meta name="description" content="Documentation for {{project.name}}">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+
+    <link rel="stylesheet" href="{{relativeURL "assets/css/main.css"}}">
+    <link rel="author" href="{{relativeURL "humans.txt"}}">
+    <script async src="{{relativeURL "assets/js/search.js"}}" id="search-script"></script>
+</head>
+<body>
+
+{{> header}}
+
+<div class="container container-main">
+    <div class="row">
+        <div class="col-8 col-content">
+            {{{contents}}}
+        </div>
+        <div class="col-4 col-menu menu-sticky-wrap menu-highlight">
+            <nav class="tsd-navigation primary">
+                <ul>
+                    {{#each navigation.children}}
+                        {{> navigation}}
+                    {{/each}}
+                </ul>
+            </nav>
+
+            <nav class="tsd-navigation secondary menu-sticky">
+                <ul class="before-current">
+                    {{#each toc.children}}
+                        {{> toc.root}}
+                    {{/each}}
+                </ul>
+            </nav>
+        </div>
+    </div>
+</div>
+
+{{> footer}}
+
+<div class="overlay"></div>
+<script src="{{relativeURL "assets/js/main.js"}}"></script>
+
+{{> analytics}}
+
+</body>
+</html>

docs/theme/partials/footer.hbs

@@ -0,0 +1,35 @@
+
+<footer>
+    <div class="container">
+        <h2>Legend</h2>
+        <div class="tsd-legend-group">
+            {{#each legend}}
+                <ul class="tsd-legend">
+                    {{#each .}}
+                        <li class="{{#compact}}{{#each classes}} {{.}}{{/each}}{{/compact}}"><span class="tsd-kind-icon">{{name}}</span></li>
+                    {{/each}}
+                </ul>
+            {{/each}}
+        </div>
+    </div>
+</footer>
+
+{{#unless settings.hideGenerator}}
+    <div class="tsd-generator extollo-end-cap">
+        <img src="{{relativeURL "assets/logo/svg/Extollo-Icon-and-Text-DARK-Final.svg"}}" style="max-height: 100px" class="svg-filter-white" alt="Extollo Logo">
+        <p><b>extollo</b> (v. <em>latin</em>) - to lift up, to elevate</p>
+        <p>
+            Extollo is a <a href="https://www.gnu.org/philosophy/floss-and-foss.en.html" target="_blank">free & libre</a> application framework in TypeScript.
+        </p>
+        <p class="list-of-links">
+            <ul>
+                <li><a href="{{relativeURL "/"}}">Home</a></li>
+                <li><a href="{{relativeURL "pages/Documentation/Getting-Started.html"}}">Getting Started</a></li>
+                <li><a href="{{relativeURL "pages/Documentation/About-Extollo.html"}}">About Extollo</a></li>
+                <li><a href="https://code.garrettmills.dev/Extollo" target="_blank">Source Code</a></li>
+                <li><a href="https://code.garrettmills.dev/extollo/extollo/src/branch/master/CONTRIBUTING.md" target="_blank">Contributing</a></li>
+                <li><a href="https://code.garrettmills.dev/Extollo/docs" target="_blank">Build These Docs</a></li>
+            </ul>
+        </p>
+    </div>
+{{/unless}}

docs/theme/partials/header.hbs

@@ -0,0 +1,71 @@
+<header>
+    <div class="tsd-page-toolbar">
+        <div class="container">
+            <div class="table-wrap">
+                <div class="table-cell" id="tsd-search" data-index="{{relativeURL "assets/js/search.json"}}" data-base="{{relativeURL "./"}}">
+                    <div class="field">
+                        <label for="tsd-search-field" class="tsd-widget search no-caption">Search</label>
+                        <input id="tsd-search-field" type="text" />
+                    </div>
+
+                    <ul class="results">
+                        <li class="state loading">Preparing search index...</li>
+                        <li class="state failure">The search index is not available</li>
+                    </ul>
+
+                    <img src="{{relativeURL "assets/logo/svg/Extollo-Icon-NO-TEXT-light-and-dark-Final.svg"}}" alt="Extollo Icon" class="token-logo" style="max-height: 30px; margin-bottom: -10px; padding-right: 10px;">
+                    <a href="{{relativeURL "index.html"}}" class="title">{{project.name}}</a>
+                </div>
+
+                <div class="table-cell" id="tsd-widgets">
+                    <div id="tsd-filter">
+                        <a href="#" class="tsd-widget options no-caption" data-toggle="options">Options</a>
+                        <div class="tsd-filter-group">
+                            <div class="tsd-select" id="tsd-filter-visibility">
+                                <span class="tsd-select-label">All</span>
+                                <ul class="tsd-select-list">
+                                    <li data-value="public">Public</li>
+                                    <li data-value="protected">Public/Protected</li>
+                                    <li data-value="private" class="selected">All</li>
+                                </ul>
+                            </div>
+
+                            <input type="checkbox" id="tsd-filter-inherited" checked />
+                            <label class="tsd-widget" for="tsd-filter-inherited">Inherited</label>
+
+                            {{#unless settings.excludeExternals}}
+                                <input type="checkbox" id="tsd-filter-externals" checked />
+                                <label class="tsd-widget" for="tsd-filter-externals">Externals</label>
+                            {{/unless}}
+                        </div>
+                    </div>
+
+                    <a href="#" class="tsd-widget menu no-caption" data-toggle="menu">Menu</a>
+                </div>
+            </div>
+        </div>
+    </div>
+    <div class="tsd-page-title">
+        <div class="container">
+            {{#if model.parent}} {{! Don't show breadcrumbs on main project page, it is the root page. !}}
+                <ul class="tsd-breadcrumb">
+                    {{#with model}}{{> breadcrumb}}{{/with}}
+                </ul>
+            {{/if}}
+            <h1>{{#compact}}
+                {{#ifCond model.kindString "!==" "Project" }}
+                    {{model.kindString}}&nbsp;
+                {{/ifCond}}
+                {{model.name}}
+                {{#if model.typeParameters}}
+                    &lt;
+                    {{#each model.typeParameters}}
+                        {{#if @index}},&nbsp;{{/if}}
+                        {{name}}
+                    {{/each}}
+                    &gt;
+                {{/if}}
+            {{/compact}}</h1>
+        </div>
+    </div>
+</header>

docs/theme/templates/markdown-page.hbs

@@ -0,0 +1,3 @@
+<div class="tsd-panel tsd-typography">
+    {{#markdown}}{{{model.pagesPlugin.item.contents}}}{{/markdown}}
+</div>

package-lock.json

@@ -1,444 +0,0 @@
-{
-  "name": "@extollo/lib",
-  "version": "0.1.0",
-  "lockfileVersion": 1,
-  "requires": true,
-  "dependencies": {
-    "@babel/helper-validator-identifier": {
-      "version": "7.12.11",
-      "resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.12.11.tgz",
-      "integrity": "sha512-np/lG3uARFybkoHokJUmf1QfEvRVCPbmQeUQpKow5cQ3xWrV9i3rUHodKDJPQfTVX61qKi+UdYk8kik84n7XOw=="
-    },
-    "@babel/parser": {
-      "version": "7.13.9",
-      "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.13.9.tgz",
-      "integrity": "sha512-nEUfRiARCcaVo3ny3ZQjURjHQZUo/JkEw7rLlSZy/psWGnvwXFtPcr6jb7Yb41DVW5LTe6KRq9LGleRNsg1Frw=="
-    },
-    "@babel/types": {
-      "version": "7.13.0",
-      "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.13.0.tgz",
-      "integrity": "sha512-hE+HE8rnG1Z6Wzo+MhaKE5lM5eMx71T4EHJgku2E3xIfaULhDcxiiRxUYgwX8qwP1BBSlag+TdGOt6JAidIZTA==",
-      "requires": {
-        "@babel/helper-validator-identifier": "^7.12.11",
-        "lodash": "^4.17.19",
-        "to-fast-properties": "^2.0.0"
-      }
-    },
-    "@extollo/di": {
-      "version": "file:../di",
-      "requires": {
-        "@extollo/util": "file:../util",
-        "reflect-metadata": "^0.1.13",
-        "typescript": "^4.1.3"
-      },
-      "dependencies": {
-        "@extollo/util": {
-          "version": "file:../util",
-          "requires": {
-            "@types/node": "^14.14.20",
-            "@types/uuid": "^8.3.0",
-            "colors": "^1.4.0",
-            "typescript": "^4.1.3",
-            "uuid": "^8.3.2"
-          },
-          "dependencies": {
-            "@types/node": {
-              "version": "14.14.22",
-              "resolved": "https://registry.npmjs.org/@types/node/-/node-14.14.22.tgz",
-              "integrity": "sha512-g+f/qj/cNcqKkc3tFqlXOYjrmZA+jNBiDzbP3kH+B+otKFqAdPgVTGP1IeKRdMml/aE69as5S4FqtxAbl+LaMw=="
-            },
-            "@types/uuid": {
-              "version": "8.3.0",
-              "resolved": "https://registry.npmjs.org/@types/uuid/-/uuid-8.3.0.tgz",
-              "integrity": "sha512-eQ9qFW/fhfGJF8WKHGEHZEyVWfZxrT+6CLIJGBcZPfxUh/+BnEj+UCGYMlr9qZuX/2AltsvwrGqp0LhEW8D0zQ=="
-            },
-            "colors": {
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-      "resolved": "https://registry.npmjs.org/void-elements/-/void-elements-3.1.0.tgz",
-      "integrity": "sha1-YU9/v42AHwu18GYfWy9XhXUOTwk="
-    },
-    "with": {
-      "version": "7.0.2",
-      "resolved": "https://registry.npmjs.org/with/-/with-7.0.2.tgz",
-      "integrity": "sha512-RNGKj82nUPg3g5ygxkQl0R937xLyho1J24ItRCBTr/m1YnZkzJy1hUiHUJrc/VlsDQzsCnInEGSg3bci0Lmd4w==",
-      "requires": {
-        "@babel/parser": "^7.9.6",
-        "@babel/types": "^7.9.6",
-        "assert-never": "^1.2.1",
-        "babel-walk": "3.0.0-canary-5"
-      }
-    }
-  }
-}

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@extollo/lib",
-  "version": "0.1.3",
+  "version": "0.14.14",
   "description": "The framework library that lifts up your code.",
   "main": "lib/index.js",
   "types": "lib/index.d.ts",
@@ -8,22 +8,58 @@
     "lib": "lib"
   },
   "dependencies": {
-    "@extollo/di": "^0.4.4",
+    "@atao60/fse-cli": "^0.1.7",
-    "@extollo/util": "^0.3.2",
+    "@extollo/ui": "^0.1.0",
+    "@types/bcrypt": "^5.0.0",
+    "@types/busboy": "^0.2.4",
+    "@types/cli-table": "^0.3.1",
+    "@types/ioredis": "^4.28.10",
+    "@types/jsonwebtoken": "^8.5.9",
+    "@types/mime-types": "^2.1.1",
+    "@types/mkdirp": "^1.0.2",
     "@types/negotiator": "^0.6.1",
-    "@types/node": "^14.14.37",
+    "@types/node": "^14.18.51",
-    "@types/pug": "^2.0.4",
+    "@types/pg": "^8.10.2",
+    "@types/pluralize": "^0.0.29",
+    "@types/pug": "^2.0.6",
+    "@types/rimraf": "^3.0.2",
+    "@types/ssh2": "^0.5.52",
+    "@types/uuid": "^8.3.4",
+    "@types/ws": "^8.5.5",
+    "bcrypt": "^5.1.0",
+    "busboy": "^0.3.1",
+    "cli-table": "^0.3.11",
     "colors": "^1.4.0",
-    "dotenv": "^8.2.0",
+    "dotenv": "^8.6.0",
-    "negotiator": "^0.6.2",
+    "ioredis": "^4.28.5",
+    "jsonwebtoken": "^8.5.1",
+    "mime-types": "^2.1.35",
+    "mkdirp": "^1.0.4",
+    "negotiator": "^0.6.3",
+    "node-fetch": "^3.3.1",
+    "pg": "^8.11.0",
+    "pluralize": "^8.0.0",
     "pug": "^3.0.2",
-    "ts-node": "^9.1.1",
+    "reflect-metadata": "^0.1.13",
-    "typescript": "^4.2.3"
+    "rimraf": "^3.0.2",
+    "sqlite": "^4.2.1",
+    "sqlite3": "^5.1.6",
+    "ssh2": "^1.13.0",
+    "ts-node": "^10.9.1",
+    "typescript": "^4.9.5",
+    "uuid": "^8.3.2",
+    "ws": "^8.13.0",
+    "zod": "^3.21.4"
   },
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1",
+    "test": "env TS_NODE_COMPILER_OPTIONS='{\"module\": \"commonjs\" }' mocha -r ts-node/register 'tests/**/*.ts'",
-    "build": "tsc",
+    "build": "pnpm run lint && rimraf lib && tsc && fse copy --all --dereference --preserveTimestamps --keepExisting=false --quiet --errorOnExist=false src/resources lib/resources",
-    "app": "tsc && node lib/index.js"
+    "app": "tsc && node lib/index.js",
+    "prepare": "pnpm run build",
+    "docs:build": "typedoc --options typedoc.json",
+    "docs:build:docker": "pnpm run docs:build && docker image build docs -t ${DOCKER_REGISTRY}/extollo/docs:latest && docker push ${DOCKER_REGISTRY}/extollo/docs:latest",
+    "lint": "eslint . --ext .ts",
+    "lint:fix": "eslint --fix . --ext .ts"
   },
   "files": [
     "lib/**/*"
@@ -35,5 +71,30 @@
     "url": "https://code.garrettmills.dev/extollo/lib"
   },
   "author": "garrettmills <shout@garrettmills.dev>",
-  "license": "MIT"
+  "license": "MIT",
+  "devDependencies": {
+    "@knodes/typedoc-plugin-pages": "^0.23.4",
+    "@types/chai": "^4.3.5",
+    "@types/mocha": "^9.1.1",
+    "@types/sinon": "^10.0.15",
+    "@types/wtfnode": "^0.7.0",
+    "@typescript-eslint/eslint-plugin": "^5.59.11",
+    "@typescript-eslint/parser": "^5.59.11",
+    "chai": "^4.3.7",
+    "eslint": "^8.42.0",
+    "lunr": "^2.3.9",
+    "mocha": "^9.2.2",
+    "sinon": "^12.0.1",
+    "typedoc": "^0.23.28",
+    "wtfnode": "^0.9.1"
+  },
+  "extollo": {
+    "discover": true,
+    "units": {
+      "discover": false
+    },
+    "recursiveDependencies": {
+      "discover": true
+    }
+  }
 }

pagesconfig.json

@@ -0,0 +1,17 @@
+{
+  "groups": [
+    {
+      "title": "Documentation",
+      "pages": [
+        {
+          "title": "Getting Started",
+          "source": "./docs/pages/Getting-Started.md"
+        },
+        {
+          "title": "About Extollo",
+          "source": "./docs/pages/About-Extollo.md"
+        }
+      ]
+    }
+  ]
+}

src/auth/AuthenticatableAlreadyExistsError.ts

@@ -0,0 +1,5 @@
+import {ErrorWithContext} from '../util'
+
+export class AuthenticatableAlreadyExistsError extends ErrorWithContext {
+
+}

src/auth/Authentication.ts

@@ -0,0 +1,86 @@
+import {Unit} from '../lifecycle/Unit'
+import {Injectable, Inject, StaticInstantiable} from '../di'
+import {Logging} from '../service/Logging'
+import {Middlewares} from '../service/Middlewares'
+import {CanonicalResolver} from '../service/Canonical'
+import {Middleware} from '../http/routing/Middleware'
+import {AuthRequiredMiddleware} from './middleware/AuthRequiredMiddleware'
+import {GuestRequiredMiddleware} from './middleware/GuestRequiredMiddleware'
+import {SessionAuthMiddleware} from './middleware/SessionAuthMiddleware'
+import {ViewEngine} from '../views/ViewEngine'
+import {SecurityContext} from './context/SecurityContext'
+import {LoginProvider, LoginProviderConfig} from './provider/LoginProvider'
+import {Config} from '../service/Config'
+import {ErrorWithContext, hasOwnProperty} from '../util'
+import {Route} from '../http/routing/Route'
+
+@Injectable()
+export class Authentication extends Unit {
+    @Inject()
+    protected readonly logging!: Logging
+
+    @Inject()
+    protected readonly middleware!: Middlewares
+
+    @Inject()
+    protected readonly config!: Config
+
+    protected providers: {[name: string]: LoginProvider<LoginProviderConfig>} = {}
+
+    getProvider(name: string): LoginProvider<LoginProviderConfig> {
+        const provider = this.providers[name]
+        if ( !provider ) {
+            throw new ErrorWithContext('Invalid auth provider name: ' + name, { name })
+        }
+
+        return provider
+    }
+
+    async up(): Promise<void> {
+        this.middleware.registerNamespace('@auth', this.getMiddlewareResolver())
+
+        this.container().onResolve<ViewEngine>(ViewEngine)
+            .then((engine: ViewEngine) => {
+                engine.registerGlobalFactory('user', req => {
+                    return () => req?.make<SecurityContext>(SecurityContext)?.getUser()
+                })
+            })
+
+        const config = this.config.get('auth.providers', {})
+        const middleware = this.config.get('auth.middleware', SessionAuthMiddleware)
+
+        if ( !(middleware?.prototype instanceof Middleware) ) {
+            throw new ErrorWithContext('Auth middleware must extend Middleware base class', {
+                providedValue: middleware,
+                configKey: 'auth.middleware',
+            })
+        }
+
+        for ( const name in config ) {
+            if ( !hasOwnProperty(config, name) ) {
+                continue
+            }
+
+            if ( this.providers[name] ) {
+                this.logging.warn(`Registering duplicate authentication provider: ${name}`)
+            }
+
+            this.logging.verbose(`Registered authentication provider: ${name}`)
+            this.providers[name] = this.make(config[name].driver, name, config[name].config)
+
+            Route.group(`/auth/${name}`, () => {
+                this.providers[name].routes()
+            }).pre(middleware)
+        }
+    }
+
+    protected getMiddlewareResolver(): CanonicalResolver<StaticInstantiable<Middleware>> {
+        return (key: string) => {
+            return ({
+                required: AuthRequiredMiddleware,
+                guest: GuestRequiredMiddleware,
+                web: SessionAuthMiddleware,
+            })[key]
+        }
+    }
+}

src/auth/NotAuthorizedError.ts

@@ -0,0 +1,11 @@
+import {HTTPError} from '../http/HTTPError'
+import {HTTPStatus} from '../util'
+
+/**
+ * Error thrown when a user attempts an action that they are not authorized to perform.
+ */
+export class NotAuthorizedError extends HTTPError {
+    constructor(message = 'Not Authorized') {
+        super(HTTPStatus.FORBIDDEN, message)
+    }
+}

src/auth/config.ts

@@ -0,0 +1,51 @@
+import {Instantiable, isInstantiable} from '../di'
+import {AuthenticatableRepository} from './types'
+import {hasOwnProperty} from '../util'
+import {LoginProvider, LoginProviderConfig} from './provider/LoginProvider'
+import {Middleware} from '../http/routing/Middleware'
+
+export interface AuthenticationConfig {
+    storage: Instantiable<AuthenticatableRepository>,
+    middleware?: Instantiable<Middleware>,
+    providers?: {
+        [key: string]: {
+            driver: Instantiable<LoginProvider<LoginProviderConfig>>,
+            config: LoginProviderConfig,
+        },
+    },
+}
+
+export function isAuthenticationConfig(what: unknown): what is AuthenticationConfig {
+    if ( typeof what !== 'object' || !what ) {
+        return false
+    }
+
+    if ( !hasOwnProperty(what, 'storage') || !hasOwnProperty(what, 'providers') ) {
+        return false
+    }
+
+    if ( !isInstantiable(what.storage) || !(what.storage.prototype instanceof AuthenticatableRepository) ) {
+        return false
+    }
+
+    if ( typeof what.providers !== 'object' ) {
+        return false
+    }
+
+    for ( const key in what.providers ) {
+        if ( !hasOwnProperty(what.providers, key) ) {
+            continue
+        }
+
+        const source = what.providers[key]
+        if ( typeof source !== 'object' || source === null || !hasOwnProperty(source, 'driver') ) {
+            return false
+        }
+
+        if ( !isInstantiable(source.driver) || !(source.driver.prototype instanceof LoginProvider) ) {
+            return false
+        }
+    }
+
+    return true
+}

src/auth/context/SecurityContext.ts

@@ -0,0 +1,122 @@
+import {Inject, Injectable} from '../../di'
+import {Awaitable, HTTPStatus, Maybe} from '../../util'
+import {Authenticatable, AuthenticatableRepository} from '../types'
+import {Logging} from '../../service/Logging'
+import {UserAuthenticatedEvent} from '../event/UserAuthenticatedEvent'
+import {UserFlushedEvent} from '../event/UserFlushedEvent'
+import {Bus} from '../../support/bus'
+import {HTTPError} from '../../http/HTTPError'
+
+/**
+ * Base-class for a context that authenticates users and manages security.
+ */
+@Injectable()
+export abstract class SecurityContext {
+    @Inject()
+    protected readonly bus!: Bus
+
+    @Inject()
+    protected readonly logging!: Logging
+
+    /** The currently authenticated user, if one exists. */
+    protected authenticatedUser?: Authenticatable
+
+    constructor(
+        /** The repository where users are persisted. */
+        public readonly repository: AuthenticatableRepository,
+
+        /** The name of this context. */
+        public readonly name: string,
+    ) { }
+
+    /**
+     * Called when the context is created. Can be used by child-classes to do setup work.
+     */
+    initialize(): Awaitable<void> {}  // eslint-disable-line @typescript-eslint/no-empty-function
+
+    /**
+     * Authenticate the given user, without persisting the authentication.
+     * That is, when the lifecycle ends, the user will be unauthenticated implicitly.
+     * @param user
+     */
+    async authenticateOnce(user: Authenticatable): Promise<void> {
+        this.authenticatedUser = user
+        await this.bus.push(new UserAuthenticatedEvent(user, this))
+    }
+
+    /**
+     * Authenticate the given user and persist the authentication.
+     * @param user
+     */
+    async authenticate(user: Authenticatable): Promise<void> {
+        this.authenticatedUser = user
+        await this.persist()
+        await this.bus.push(new UserAuthenticatedEvent(user, this))
+    }
+
+    /**
+     * Unauthenticate the current user, if one exists, but do not persist the change.
+     */
+    async flushOnce(): Promise<void> {
+        const user = this.authenticatedUser
+        if ( user ) {
+            this.authenticatedUser = undefined
+            await this.bus.push(new UserFlushedEvent(user, this))
+        }
+    }
+
+    /**
+     * Unauthenticate the current user, if one exists, and persist the change.
+     */
+    async flush(): Promise<void> {
+        const user = this.authenticatedUser
+        if ( user ) {
+            this.authenticatedUser = undefined
+            await this.persist()
+            await this.bus.push(new UserFlushedEvent(user, this))
+        }
+    }
+
+    /**
+     * Assuming a user is still authenticated in the context,
+     * try to look up and fill in the user.
+     *
+     * If there is NO USER to be resumed, then the method should flush
+     * the user from this context.
+     */
+    abstract resume(): Awaitable<void>
+
+    /**
+     * Write the current state of the security context to whatever storage
+     * medium the context's host provides.
+     */
+    abstract persist(): Awaitable<void>
+
+    /**
+     * Get the currently authenticated user, if one exists.
+     */
+    getUser(): Maybe<Authenticatable> {
+        return this.authenticatedUser
+    }
+
+    /** Get the current user or throw an authorization error. */
+    user(): Authenticatable {
+        if ( !this.hasUser() ) {
+            throw new HTTPError(HTTPStatus.UNAUTHORIZED)
+        }
+
+        const user = this.getUser()
+        if ( !user ) {
+            throw new HTTPError(HTTPStatus.UNAUTHORIZED)
+        }
+
+        return user
+    }
+
+    /**
+     * Returns true if there is a currently authenticated user.
+     */
+    hasUser(): boolean {
+        return Boolean(this.authenticatedUser)
+    }
+}

src/auth/context/SessionSecurityContext.ts

@@ -0,0 +1,42 @@
+import {SecurityContext} from './SecurityContext'
+import {Inject, Injectable} from '../../di'
+import {Session} from '../../http/session/Session'
+import {Awaitable} from '../../util'
+import {AuthenticatableRepository} from '../types'
+import {UserAuthenticationResumedEvent} from '../event/UserAuthenticationResumedEvent'
+
+export const EXTOLLO_AUTH_SESSION_KEY = '@extollo:auth.securityIdentifier'
+
+/**
+ * Security context implementation that uses the session as storage.
+ */
+@Injectable()
+export class SessionSecurityContext extends SecurityContext {
+    @Inject()
+    protected readonly session!: Session
+
+    constructor(
+        /** The repository from which to draw users. */
+        public readonly repository: AuthenticatableRepository,
+    ) {
+        super(repository, 'session')
+    }
+
+    persist(): Awaitable<void> {
+        this.session.set(EXTOLLO_AUTH_SESSION_KEY, this.getUser()?.getIdentifier())
+    }
+
+    async resume(): Promise<void> {
+        const identifier = this.session.get(EXTOLLO_AUTH_SESSION_KEY)
+        if ( identifier ) {
+            const user = await this.repository.getByIdentifier(identifier)
+            if ( user ) {
+                this.authenticatedUser = user
+                await this.bus.push(new UserAuthenticationResumedEvent(user, this))
+                return
+            }
+        }
+
+        this.authenticatedUser = undefined
+    }
+}

src/auth/context/TokenSecurityContext.ts

@@ -0,0 +1,44 @@
+import {SecurityContext} from './SecurityContext'
+import {AuthenticatableRepository} from '../types'
+import {Awaitable} from '../../util'
+import {Inject} from '../../di'
+import {Request} from '../../http/lifecycle/Request'
+import {OAuth2Token, TokenRepository} from '../server/types'
+import {UserAuthenticationResumedEvent} from '../event/UserAuthenticationResumedEvent'
+
+export class TokenSecurityContext extends SecurityContext {
+    @Inject()
+    protected readonly request!: Request
+
+    @Inject()
+    protected readonly tokens!: TokenRepository
+
+    constructor(
+        public readonly repository: AuthenticatableRepository,
+    ) {
+        super(repository, 'token')
+    }
+
+    // eslint-disable-next-line @typescript-eslint/no-empty-function
+    persist(): Awaitable<void> {}
+
+    async resume(): Promise<void> {
+        if ( !this.request.hasInstance(OAuth2Token) ) {
+            return
+        }
+
+        const token: OAuth2Token = this.request.getExistingInstance(OAuth2Token)
+        if ( !token.userId ) {
+            return
+        }
+
+        const user = await this.repository.getByIdentifier(token.userId)
+        if ( user ) {
+            this.authenticatedUser = user
+            await this.bus.push(new UserAuthenticationResumedEvent(user, this))
+            return
+        }
+
+        this.authenticatedUser = undefined
+    }
+}

src/auth/event/AuthCheckFailed.ts

@@ -0,0 +1,27 @@
+import {BaseEvent, BaseSerializer, ObjectSerializer} from '../../support/bus'
+import {Awaitable} from '../../util'
+
+/** An event raised when a required auth check has failed. */
+export class AuthCheckFailed extends BaseEvent {
+    eventName = '@extollo/lib:AuthCheckFailed'
+}
+
+/** Serializes AuthCheckFailed events. */
+@ObjectSerializer()
+export class AuthCheckFailedSerializer extends BaseSerializer<AuthCheckFailed, { authCheckFailed: true }> {
+    protected decodeSerial(): Awaitable<AuthCheckFailed> {
+        return new AuthCheckFailed()
+    }
+
+    protected encodeActual(): Awaitable<{ authCheckFailed: true }> {
+        return { authCheckFailed: true }
+    }
+
+    protected getName(): string {
+        return '@extollo/lib:AuthCheckFailedSerializer'
+    }
+
+    matchActual(some: AuthCheckFailed): boolean {
+        return some instanceof AuthCheckFailed
+    }
+}

src/auth/event/AuthenticationEvent.ts

@@ -0,0 +1,12 @@
+import {SecurityContext} from '../context/SecurityContext'
+import {Authenticatable} from '../types'
+import {BaseEvent} from '../../support/bus'
+
+export abstract class AuthenticationEvent extends BaseEvent {
+    constructor(
+        public readonly user: Authenticatable,
+        public readonly context: SecurityContext,
+    ) {
+        super()
+    }
+}

src/auth/event/UserAuthenticatedEvent.ts

@@ -0,0 +1,8 @@
+import {AuthenticationEvent} from './AuthenticationEvent'
+
+/**
+ * Event fired when a user is authenticated.
+ */
+export class UserAuthenticatedEvent extends AuthenticationEvent {
+    public readonly eventName = '@extollo/lib:UserAuthenticatedEvent'
+}

src/auth/event/UserAuthenticationResumedEvent.ts

@@ -0,0 +1,8 @@
+import {AuthenticationEvent} from './AuthenticationEvent'
+
+/**
+ * Event raised when a user is re-authenticated to a security context
+ */
+export class UserAuthenticationResumedEvent extends AuthenticationEvent {
+    public readonly eventName = '@extollo/lib:UserAuthenticationResumedEvent'
+}

src/auth/event/UserFlushedEvent.ts

@@ -0,0 +1,8 @@
+import {AuthenticationEvent} from './AuthenticationEvent'
+
+/**
+ * Event fired when a user is unauthenticated.
+ */
+export class UserFlushedEvent extends AuthenticationEvent {
+    public readonly eventName = '@extollo/lib:UserFlushedEvent'
+}

src/auth/index.ts

@@ -0,0 +1,49 @@
+export * from './types'
+export * from './AuthenticatableAlreadyExistsError'
+export * from './NotAuthorizedError'
+export * from './Authentication'
+export * from './repository/AuthenticatableRepositoryFactory'
+
+export * from './context/SecurityContext'
+export * from './context/SessionSecurityContext'
+export * from './context/TokenSecurityContext'
+
+export * from './event/AuthenticationEvent'
+export * from './event/UserAuthenticatedEvent'
+export * from './event/UserAuthenticationResumedEvent'
+export * from './event/UserFlushedEvent'
+export * from './event/AuthCheckFailed'
+
+export * from './middleware/AuthRequiredMiddleware'
+export * from './middleware/GuestRequiredMiddleware'
+export * from './middleware/SessionAuthMiddleware'
+export * from './middleware/TokenAuthMiddleware'
+export * from './middleware/ScopeRequiredMiddleware'
+
+export * from './provider/basic/BasicLoginAttempt'
+export * from './provider/basic/BasicLoginProvider'
+export * from './provider/basic/BasicRegistrationAttempt'
+
+export * from './provider/oauth/OAuth2LoginProvider'
+export * from './provider/oauth/CoreIDLoginProvider'
+
+export * from './serial/AuthenticationEventSerializer'
+
+export * from './repository/orm/ORMUser'
+export * from './repository/orm/ORMUserRepository'
+
+export * from './config'
+
+export * from './webSocketAuthCheck'
+
+export * from './server/types'
+export * from './server/models/OAuth2TokenModel'
+export * from './server/repositories/ConfigClientRepository'
+export * from './server/repositories/ConfigScopeRepository'
+export * from './server/repositories/ClientRepositoryFactory'
+export * from './server/repositories/ScopeRepositoryFactory'
+export * from './server/repositories/ORMTokenRepository'
+export * from './server/repositories/TokenRepositoryFactory'
+export * from './server/repositories/CacheRedemptionCodeRepository'
+export * from './server/repositories/RedemptionCodeRepositoryFactory'
+export * from './server/OAuth2Server'

src/auth/middleware/AuthRequiredMiddleware.ts

@@ -0,0 +1,36 @@
+import {Middleware} from '../../http/routing/Middleware'
+import {Inject, Injectable} from '../../di'
+import {SecurityContext} from '../context/SecurityContext'
+import {ResponseObject} from '../../http/routing/Route'
+import {error} from '../../http/response/ErrorResponseFactory'
+import {NotAuthorizedError} from '../NotAuthorizedError'
+import {HTTPStatus} from '../../util'
+import {redirect} from '../../http/response/RedirectResponseFactory'
+import {Routing} from '../../service/Routing'
+import {Session} from '../../http/session/Session'
+
+// TODO handle JSON and non-web
+
+@Injectable()
+export class AuthRequiredMiddleware extends Middleware {
+    @Inject()
+    protected readonly security!: SecurityContext
+
+    @Inject()
+    protected readonly routing!: Routing
+
+    @Inject()
+    protected readonly session!: Session
+
+    async apply(): Promise<ResponseObject> {
+        if ( !this.security.hasUser() ) {
+            this.session.set('@extollo:auth.intention', this.request.url)
+
+            if ( this.routing.hasNamedRoute('@auth:login') ) {
+                return redirect(this.routing.getNamedPath('@auth:login').toRemote)
+            } else {
+                return error(new NotAuthorizedError(), HTTPStatus.FORBIDDEN)
+            }
+        }
+    }
+}

src/auth/middleware/GuestRequiredMiddleware.ts

@@ -0,0 +1,30 @@
+import {Middleware} from '../../http/routing/Middleware'
+import {Inject, Injectable} from '../../di'
+import {SecurityContext} from '../context/SecurityContext'
+import {ResponseObject} from '../../http/routing/Route'
+import {error} from '../../http/response/ErrorResponseFactory'
+import {NotAuthorizedError} from '../NotAuthorizedError'
+import {HTTPStatus} from '../../util'
+import {Routing} from '../../service/Routing'
+import {redirect} from '../../http/response/RedirectResponseFactory'
+
+// TODO handle JSON and non-web
+
+@Injectable()
+export class GuestRequiredMiddleware extends Middleware {
+    @Inject()
+    protected readonly security!: SecurityContext
+
+    @Inject()
+    protected readonly routing!: Routing
+
+    async apply(): Promise<ResponseObject> {
+        if ( this.security.hasUser() ) {
+            if ( this.routing.hasNamedRoute('@auth.redirectFromGuest') ) {
+                return redirect(this.routing.getNamedPath('@auth.redirectFromGuest').toRemote)
+            } else {
+                return error(new NotAuthorizedError(), HTTPStatus.FORBIDDEN)
+            }
+        }
+    }
+}

src/auth/middleware/ScopeRequiredMiddleware.ts

@@ -0,0 +1,33 @@
+import {Middleware} from '../../http/routing/Middleware'
+import {ResponseObject} from '../../http/routing/Route'
+import {OAuth2Token} from '../server/types'
+import {HTTPError} from '../../http/HTTPError'
+import {HTTPStatus, Pipeline} from '../../util'
+import {Request} from '../../http/lifecycle/Request'
+import {Constructable, Container} from '../../di'
+
+export class ScopeRequiredMiddleware extends Middleware {
+    constructor(
+        protected readonly request: Request,
+        protected readonly scope: string,
+    ) {
+        super(request)
+    }
+
+    apply(): ResponseObject {
+        if ( !this.request.hasInstance(OAuth2Token) ) {
+            throw new HTTPError(HTTPStatus.UNAUTHORIZED, 'Must specify an OAuth2 token.')
+        }
+
+        const token: OAuth2Token = this.request.getExistingInstance(OAuth2Token)
+        if ( typeof token.scope !== 'undefined' && token.scope !== this.scope ) {
+            throw new HTTPError(HTTPStatus.UNAUTHORIZED, 'Insufficient token permissions (requires: ' + this.scope + ')')
+        }
+    }
+}
+
+export const scope = (name: string): Constructable<ScopeRequiredMiddleware> => {
+    return new Pipeline<Container, ScopeRequiredMiddleware>(
+        container => container.make(ScopeRequiredMiddleware, container, name),
+    )
+}

src/auth/middleware/SessionAuthMiddleware.ts

@@ -0,0 +1,29 @@
+import {Middleware} from '../../http/routing/Middleware'
+import {Inject, Injectable} from '../../di'
+import {Config} from '../../service/Config'
+import {Logging} from '../../service/Logging'
+import {AuthenticatableRepository} from '../types'
+import {ResponseObject} from '../../http/routing/Route'
+import {SessionSecurityContext} from '../context/SessionSecurityContext'
+import {SecurityContext} from '../context/SecurityContext'
+
+/**
+ * Injects a SessionSecurityContext into the request and attempts to
+ * resume the user's authentication.
+ */
+@Injectable()
+export class SessionAuthMiddleware extends Middleware {
+    @Inject()
+    protected readonly config!: Config
+
+    @Inject()
+    protected readonly logging!: Logging
+
+    async apply(): Promise<ResponseObject> {
+        this.logging.debug('Applying session auth middleware.')
+        const repo = <AuthenticatableRepository> this.make(AuthenticatableRepository)
+        const context = <SessionSecurityContext> this.make(SessionSecurityContext, repo)
+        this.request.registerSingletonInstance(SecurityContext, context)
+        await context.resume()
+    }
+}

src/auth/middleware/TokenAuthMiddleware.ts

@@ -0,0 +1,45 @@
+import {Middleware} from '../../http/routing/Middleware'
+import {Inject, Injectable} from '../../di'
+import {Config} from '../../service/Config'
+import {Logging} from '../../service/Logging'
+import {AuthenticatableRepository} from '../types'
+import {ResponseObject} from '../../http/routing/Route'
+import {SecurityContext} from '../context/SecurityContext'
+import {TokenSecurityContext} from '../context/TokenSecurityContext'
+import {OAuth2Token, oauth2TokenString, TokenRepository} from '../server/types'
+
+/**
+ * Injects a TokenSecurityContext into the request and attempts to
+ * resume the user's authentication.
+ */
+@Injectable()
+export class TokenAuthMiddleware extends Middleware {
+    @Inject()
+    protected readonly config!: Config
+
+    @Inject()
+    protected readonly logging!: Logging
+
+    @Inject()
+    protected readonly tokens!: TokenRepository
+
+    async apply(): Promise<ResponseObject> {
+        this.logging.debug('Applying token auth middleware.')
+        let tokenString = this.request.getHeader('Authorization')
+        if ( Array.isArray(tokenString) ) {
+            tokenString = tokenString[0]
+        }
+
+        if ( tokenString ) {
+            const token = await this.tokens.decode(oauth2TokenString(tokenString))
+            if ( token ) {
+                this.request.registerSingletonInstance(OAuth2Token, token)
+            }
+        }
+
+        const repo = <AuthenticatableRepository> this.make(AuthenticatableRepository)
+        const context = <TokenSecurityContext> this.make(TokenSecurityContext, repo)
+        this.request.registerSingletonInstance(SecurityContext, context)
+        await context.resume()
+    }
+}

src/auth/provider/LoginProvider.ts

@@ -0,0 +1,74 @@
+import {Request} from '../../http/lifecycle/Request'
+import {ResponseObject, Route} from '../../http/routing/Route'
+import {GuestRequiredMiddleware} from '../middleware/GuestRequiredMiddleware'
+import {AuthRequiredMiddleware} from '../middleware/AuthRequiredMiddleware'
+import {Inject, Injectable} from '../../di'
+import {SecurityContext} from '../context/SecurityContext'
+import {redirect} from '../../http/response/RedirectResponseFactory'
+import {RequestLocalStorage} from '../../http/RequestLocalStorage'
+import {Session} from '../../http/session/Session'
+
+export interface LoginProviderConfig {
+    default: boolean,
+    allow?: {
+        login?: boolean,
+        registration?: boolean,
+    },
+}
+
+@Injectable()
+export abstract class LoginProvider<TConfig extends LoginProviderConfig> {
+    @Inject()
+    protected readonly request!: RequestLocalStorage
+
+    protected get security(): SecurityContext {
+        return this.request.get().make(SecurityContext)
+    }
+
+    constructor(
+        protected name: string,
+        protected config: TConfig,
+    ) {}
+
+    public routes(): void {
+        Route.get('login')
+            .alias(`@auth:${this.name}:login`)
+            .pipe(line => line.when(this.config.default, route => route.alias('@auth:login')))
+            .pre(GuestRequiredMiddleware)
+            .passingRequest()
+            .handledBy(this.login.bind(this))
+
+        Route.any('logout')
+            .alias(`@auth:${this.name}:logout`)
+            .pipe(line => line.when(this.config.default, route => route.alias('@auth:logout')))
+            .pre(AuthRequiredMiddleware)
+            .passingRequest()
+            .handledBy(this.logout.bind(this))
+
+        Route.get('register')
+            .alias(`@auth:${this.name}:register`)
+            .pipe(line => line.when(this.config.default, route => route.alias('@auth:register')))
+            .pre(GuestRequiredMiddleware)
+            .passingRequest()
+            .handledBy(this.registration.bind(this))
+    }
+
+    public abstract login(request: Request): ResponseObject
+
+    public abstract logout(request: Request): ResponseObject
+
+    public registration(request: Request): ResponseObject {
+        return this.login(request)
+    }
+
+    protected redirectToIntendedRoute(): ResponseObject {
+        const intent = this.request
+            .get()
+            .make<Session>(Session)
+            .safe('@extollo:auth.intention')
+            .or('/')
+            .string()
+
+        return redirect(intent)
+    }
+}

src/auth/provider/basic/BasicLoginAttempt.ts

@@ -0,0 +1,8 @@
+import { z } from 'zod'
+
+export type BasicLoginAttempt = z.infer<typeof BasicLoginAttemptType>
+
+export const BasicLoginAttemptType = z.object({
+    username: z.string().nonempty(),
+    password: z.string().nonempty(),
+})

src/auth/provider/basic/BasicLoginProvider.ts

@@ -0,0 +1,75 @@
+import {LoginProvider, LoginProviderConfig} from '../LoginProvider'
+import {ResponseObject, Route} from '../../../http/routing/Route'
+import {view} from '../../../http/response/ViewResponseFactory'
+import {Valid, Validator} from '../../../validation/Validator'
+import {BasicLoginAttempt, BasicLoginAttemptType} from './BasicLoginAttempt'
+import {BasicRegistrationAttempt, BasicRegistrationAttemptType} from './BasicRegistrationAttempt'
+
+/**
+ * LoginProvider implementation that provides basic username/password login.
+ */
+export class BasicLoginProvider extends LoginProvider<LoginProviderConfig> {
+    public routes(): void {
+        super.routes()
+
+        Route.post('/login')
+            .alias(`@auth:${this.name}:login.submit`)
+            .input(Validator.fromSchema<BasicLoginAttempt>(BasicLoginAttemptType))
+            .handledBy((...p) => this.attemptLogin(...p))
+
+        Route.post('/register')
+            .alias(`@auth:${this.name}:register.submit`)
+            .input(Validator.fromSchema<BasicRegistrationAttempt>(BasicRegistrationAttemptType))
+            .handledBy((...p) => this.attemptRegistration(...p))
+    }
+
+    public login(): ResponseObject {
+        return view('@extollo:auth:login')
+    }
+
+    public async logout(): Promise<ResponseObject> {
+        await this.security.flush()
+        return view('@extollo:auth:logout')
+    }
+
+    public registration(): ResponseObject {
+        return view('@extollo:auth:register')
+    }
+
+    /** Attempt to authenticate the user with a username/password. */
+    public async attemptLogin(attempt: Valid<BasicLoginAttempt>): Promise<ResponseObject> {
+        const user = await this.security.repository.getByIdentifier(attempt.username)
+        if ( !user ) {
+            throw new Error('TODO')
+        }
+
+        if ( !(await user.validateCredential(attempt.password)) ) {
+            throw new Error('TODO')
+        }
+
+        await this.security.authenticate(user)
+        return this.redirectToIntendedRoute()
+    }
+
+    /** Attempt to register the user with a username/password. */
+    public async attemptRegistration(attempt: Valid<BasicRegistrationAttempt>): Promise<ResponseObject> {
+        const existingUser = await this.security.repository.getByIdentifier(attempt.username)
+        if ( existingUser ) {
+            throw new Error('TODO')
+        }
+
+        if ( attempt.password !== attempt.passwordConfirmation ) {
+            throw new Error('TODO')
+        }
+
+        const user = await this.security.repository.createFromCredentials(attempt.username, attempt.password)
+        ;(user as any).firstName = attempt.firstName
+        ;(user as any).lastName = attempt.lastName
+        if ( typeof (user as any).save === 'function' ) {
+            await (user as any).save()
+        }
+
+        await this.security.authenticate(user)
+        return this.redirectToIntendedRoute()
+    }
+}

src/auth/provider/basic/BasicRegistrationAttempt.ts

@@ -0,0 +1,19 @@
+import { z } from 'zod'
+
+export type BasicRegistrationAttempt = z.infer<typeof BasicRegistrationAttemptType>
+
+export const BasicRegistrationAttemptType = z.object({
+    firstName: z.string().nonempty(),
+
+    lastName: z.string().nonempty(),
+
+    username: z.string().nonempty(),
+
+    password: z.string()
+        .nonempty()
+        .min(8),
+
+    passwordConfirmation: z.string()
+        .nonempty()
+        .min(8),
+})

src/auth/provider/oauth/CoreIDLoginProvider.ts

@@ -0,0 +1,99 @@
+/* eslint camelcase: 0 */
+import {OAuth2LoginProvider, OAuth2LoginProviderConfig} from './OAuth2LoginProvider'
+import {Authenticatable} from '../../types'
+import {Request} from '../../../http/lifecycle/Request'
+import {ErrorWithContext, uuid4, fetch} from '../../../util'
+
+/**
+ * OAuth2LoginProvider implementation that authenticates users against a
+ * Starship CoreID server.
+ */
+export class CoreIDLoginProvider extends OAuth2LoginProvider<OAuth2LoginProviderConfig> {
+    protected async callback(request: Request): Promise<Authenticatable> {
+        // Get authentication_code from the request
+        const code = request.safe('code').string()
+
+        // Get OAuth2 token from CoreID
+        const token = await this.getToken(code)
+
+        // Get user from endpoint
+        const userData = await this.getUserData(token)
+
+        // Return authenticatable instance
+        const existing = await this.security.repository.getByIdentifier(userData.uid)
+        if ( existing ) {
+            this.updateUser(existing, userData)
+            return existing
+        }
+
+        const user = await this.security.repository.createFromCredentials(userData.uid, uuid4())
+        this.updateUser(user, userData)
+        return user
+    }
+
+    /** Given an access token, look up the associated user's information. */
+    protected async getUserData(token: string): Promise<any> {
+        const userResponse = await fetch(
+            this.config.userUrl,
+            {
+                method: 'GET',
+                headers: {
+                    Authorization: `Bearer ${token}`,
+                },
+            },
+        )
+
+        const userData: any = await userResponse.json()
+        if ( !userData?.data?.uid ) {
+            throw new ErrorWithContext('Unable to extract user from response', {
+                userData,
+            })
+        }
+
+        return userData.data
+    }
+
+    /** Given a login code, redeem it for an access token. */
+    protected async getToken(code: string): Promise<string> {
+        const body: string[] = [
+            'code=' + encodeURIComponent(code),
+            'client_id=' + encodeURIComponent(this.config.clientId),
+            'client_secret=' + encodeURIComponent(this.config.clientSecret),
+            'grant_type=authorization_code',
+        ]
+
+        const response = await fetch(
+            this.config.tokenUrl,
+            {
+                method: 'POST',
+                headers: {
+                    'Content-Type': 'application/x-www-form-urlencoded',
+                },
+                body: body.join('&'),
+            },
+        )
+
+        const data = await response.json()
+        const token = (data as any).access_token
+        if ( !token ) {
+            throw new ErrorWithContext('Unable to obtain access token from response', {
+                data,
+            })
+        }
+
+        return String(token)
+    }
+
+    /** Update values on the Authenticatable from user data. */
+    // eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types
+    protected updateUser(user: any, data: any): void {
+        user.firstName = data.first_name
+        user.lastName = data.last_name
+        user.email = data.email
+        user.tagline = data.tagline
+        user.photoUrl = data.profile_photo
+        if ( typeof user.save === 'function' ) {
+            user.save()
+        }
+    }
+}

src/auth/provider/oauth/OAuth2LoginProvider.ts

@@ -0,0 +1,98 @@
+import {LoginProvider, LoginProviderConfig} from '../LoginProvider'
+import {ResponseObject, Route} from '../../../http/routing/Route'
+import {Inject, Injectable} from '../../../di'
+import {Routing} from '../../../service/Routing'
+import {GuestRequiredMiddleware} from '../../middleware/GuestRequiredMiddleware'
+import {redirect} from '../../../http/response/RedirectResponseFactory'
+import {view} from '../../../http/response/ViewResponseFactory'
+import {Request} from '../../../http/lifecycle/Request'
+import {Awaitable} from '../../../util'
+import {Authenticatable} from '../../types'
+
+export interface OAuth2LoginProviderConfig extends LoginProviderConfig {
+    displayName: string,
+    clientId: string|number
+    clientSecret: string
+    loginUrl: string
+    loginMessage?: string
+    logoutUrl?: string
+    tokenUrl: string,
+    userUrl: string,
+}
+
+/**
+ * LoginProvider implementation for OAuth2-based logins.
+ */
+@Injectable()
+export abstract class OAuth2LoginProvider<TConfig extends OAuth2LoginProviderConfig> extends LoginProvider<TConfig> {
+    @Inject()
+    protected readonly routing!: Routing
+
+    public routes(): void {
+        super.routes()
+
+        Route.any('redirect')
+            .alias(`@auth:${this.name}:redirect`)
+            .pre(GuestRequiredMiddleware)
+            .handledBy(() => redirect(this.getLoginUrl()))
+
+        Route.any('callback')
+            .alias(`@auth:${this.name}:callback`)
+            .pre(GuestRequiredMiddleware)
+            .passingRequest()
+            .handledBy(this.handleCallback.bind(this))
+    }
+
+    protected async handleCallback(request: Request): Promise<ResponseObject> {
+        const user = await this.callback(request)
+        if ( user ) {
+            await this.security.authenticate(user)
+            return this.redirectToIntendedRoute()
+        }
+
+        return redirect(this.routing.getNamedPath(`@auth:${this.name}:login`).toRemote)
+    }
+
+    /**
+     * After redirecting back from the OAuth2 server, look up the user information.
+     * @param request
+     * @protected
+     */
+    protected abstract callback(request: Request): Awaitable<Authenticatable>
+
+    public login(): ResponseObject {
+        const buttonUrl = this.routing
+            .getNamedPath(`@auth:${this.name}:redirect`)
+            .toRemote
+
+        return view('@extollo:auth:message', {
+            message: this.config.loginMessage ?? `Sign-in with ${this.config.displayName} to continue`,
+            buttonText: 'Sign-in',
+            buttonUrl,
+        })
+    }
+
+    public async logout(): Promise<ResponseObject> {
+        await this.security.flush()
+
+        if ( this.config.logoutUrl ) {
+            return redirect(this.config.logoutUrl)
+        }
+
+        return view('@extollo:auth:message', {
+            message: 'You have been signed-out',
+        })
+    }
+
+    /**
+     * Get the URL where the user should be redirected to sign-in.
+     * @protected
+     */
+    protected getLoginUrl(): string {
+        const callbackRoute = this.routing.getNamedPath(`@auth:${this.name}:callback`)
+
+        return this.config.loginUrl
+            .replace(/%c/g, String(this.config.clientId))
+            .replace(/%r/g, callbackRoute.toRemote)
+    }
+}

src/auth/repository/AuthenticatableRepositoryFactory.ts

@@ -0,0 +1,23 @@
+import {Instantiable, FactoryProducer} from '../../di'
+import {AuthenticatableRepository} from '../types'
+import {ORMUserRepository} from './orm/ORMUserRepository'
+import {ConfiguredSingletonFactory} from '../../di/factory/ConfiguredSingletonFactory'
+
+/**
+ * A dependency injection factory that matches the abstract ClientRepository class
+ * and produces an instance of the configured repository driver implementation.
+ */
+@FactoryProducer()
+export class AuthenticatableRepositoryFactory extends ConfiguredSingletonFactory<AuthenticatableRepository> {
+    protected getConfigKey(): string {
+        return 'auth.storage'
+    }
+
+    protected getDefaultImplementation(): Instantiable<AuthenticatableRepository> {
+        return ORMUserRepository
+    }
+
+    protected getAbstractImplementation(): any {
+        return AuthenticatableRepository
+    }
+}

src/auth/repository/orm/ORMUser.ts

@@ -0,0 +1,77 @@
+import * as bcrypt from 'bcrypt'
+import {Field, FieldType, Model} from '../../../orm'
+import {Authenticatable, AuthenticatableIdentifier} from '../../types'
+import {Injectable} from '../../../di'
+import {Awaitable, JSONState} from '../../../util'
+
+/**
+ * A basic ORM-driven user class.
+ */
+@Injectable()
+export class ORMUser extends Model<ORMUser> implements Authenticatable {
+
+    protected static table = 'users'
+
+    protected static key = 'user_id'
+
+    /** The primary key of the user in the table. */
+    @Field(FieldType.serial, 'user_id')
+    public userId!: number
+
+    /** The unique string-identifier of the user. */
+    @Field(FieldType.varchar)
+    public username!: string
+
+    /** The user's first name. */
+    @Field(FieldType.varchar, 'first_name')
+    public firstName?: string
+
+    /** The user's last name. */
+    @Field(FieldType.varchar, 'last_name')
+    public lastName?: string
+
+    /** The hashed and salted password of the user. */
+    @Field(FieldType.varchar, 'password_hash')
+    public passwordHash!: string
+
+    /** Human-readable display name of the user. */
+    getDisplay(): string {
+        if ( this.firstName || this.lastName ) {
+            return `${this.firstName} ${this.lastName}`
+        }
+
+        return this.username
+    }
+
+    /** Globally-unique identifier of the user. */
+    getUniqueIdentifier(): AuthenticatableIdentifier {
+        return `user-${this.userId}`
+    }
+
+    /** Unique identifier of the user. */
+    getIdentifier(): AuthenticatableIdentifier {
+        return this.username
+    }
+
+    /** Check if the provided password is valid for the user. */
+    verifyPassword(password: string): Awaitable<boolean> {
+        return bcrypt.compare(password, this.passwordHash)
+    }
+
+    /** Change the user's password, hashing it. */
+    async setPassword(password: string): Promise<void> {
+        this.passwordHash = await bcrypt.hash(password, 10)
+    }
+
+    validateCredential(credential: string): Awaitable<boolean> {
+        return this.verifyPassword(credential)
+    }
+
+    async dehydrate(): Promise<JSONState> {
+        return this.toQueryRow()
+    }
+
+    async rehydrate(state: JSONState): Promise<void> {
+        await this.assumeFromSource(state)
+    }
+}

src/auth/repository/orm/ORMUserRepository.ts

@@ -0,0 +1,51 @@
+import {
+    Authenticatable,
+    AuthenticatableIdentifier,
+    AuthenticatableRepository,
+} from '../../types'
+import {Awaitable, Maybe, uuid4} from '../../../util'
+import {ORMUser} from './ORMUser'
+import {Container, Inject, Injectable} from '../../../di'
+import {AuthenticatableAlreadyExistsError} from '../../AuthenticatableAlreadyExistsError'
+
+/**
+ * A user repository implementation that looks up users stored in the database.
+ */
+@Injectable()
+export class ORMUserRepository extends AuthenticatableRepository {
+    @Inject('injector')
+    protected readonly injector!: Container
+
+    /** Look up the user by their username. */
+    getByIdentifier(id: AuthenticatableIdentifier): Awaitable<Maybe<Authenticatable>> {
+        return (this.injector.getStaticOverride(ORMUser) as typeof ORMUser).query<ORMUser>()
+            .where('username', '=', id)
+            .first()
+    }
+
+    /** Returns true if this repository supports registering users. */
+    supportsRegistration(): boolean {
+        return true
+    }
+
+    /** Create a user in this repository from basic credentials. */
+    async createFromCredentials(username: string, password: string): Promise<Authenticatable> {
+        if ( await this.getByIdentifier(username) ) {
+            throw new AuthenticatableAlreadyExistsError(`Authenticatable already exists with credentials.`, {
+                username,
+            })
+        }
+
+        const user = <ORMUser> this.injector.makeByStaticOverride(ORMUser)
+        user.username = username
+        await user.setPassword(password)
+        await user.save()
+
+        return user
+    }
+
+    /** Create a user in this repository from an external Authenticatable instance. */
+    async createFromExternal(user: Authenticatable): Promise<Authenticatable> {
+        return this.createFromCredentials(String(user.getUniqueIdentifier()), uuid4())
+    }
+}

src/auth/serial/AuthenticationEventSerializer.ts

@@ -0,0 +1,54 @@
+import {BaseSerializer, ObjectSerializer, SerialPayload} from '../../support/bus'
+import {AuthenticationEvent} from '../event/AuthenticationEvent'
+import {ErrorWithContext, JSONState} from '../../util'
+import {Authenticatable} from '../types'
+import {StaticInstantiable} from '../../di'
+import {SecurityContext} from '../context/SecurityContext'
+import {UserAuthenticatedEvent} from '../event/UserAuthenticatedEvent'
+import {UserAuthenticationResumedEvent} from '../event/UserAuthenticationResumedEvent'
+import {UserFlushedEvent} from '../event/UserFlushedEvent'
+
+export interface AuthenticationEventSerialPayload extends JSONState {
+    user: SerialPayload<Authenticatable, JSONState>
+    eventName: string
+}
+
+@ObjectSerializer()
+export class AuthenticationEventSerializer extends BaseSerializer<AuthenticationEvent, AuthenticationEventSerialPayload> {
+    protected async decodeSerial(serial: AuthenticationEventSerialPayload): Promise<AuthenticationEvent> {
+        const user = await this.getSerialization().decode(serial.user)
+        const context = await this.getRequest().make(SecurityContext)
+
+        const EventClass = this.getEventClass(serial.eventName)
+        return new EventClass(user, context)
+    }
+
+    protected async encodeActual(actual: AuthenticationEvent): Promise<AuthenticationEventSerialPayload> {
+        return {
+            eventName: actual.eventName,
+            user: await this.getSerialization().encode(actual.user),
+        }
+    }
+
+    protected getName(): string {
+        return '@extollo/lib:AuthenticationEventSerializer'
+    }
+
+    matchActual(some: AuthenticationEvent): boolean {
+        return some instanceof AuthenticationEvent
+    }
+
+    protected getEventClass(name: string): StaticInstantiable<AuthenticationEvent> {
+        if ( name === '@extollo/lib:UserAuthenticatedEvent' ) {
+            return UserAuthenticatedEvent
+        } else if ( name === '@extollo/lib:UserAuthenticationResumedEvent' ) {
+            return UserAuthenticationResumedEvent
+        } else if ( name === '@extollo/lib:UserFlushedEvent' ) {
+            return UserFlushedEvent
+        }
+
+        throw new ErrorWithContext('Unable to map event name to AuthenticationEvent implementation', {
+            eventName: name,
+        })
+    }
+}

src/auth/server/OAuth2Server.ts

@@ -0,0 +1,241 @@
+import {Controller} from '../../http/Controller'
+import {Inject, Injectable} from '../../di'
+import {ResponseObject, Route} from '../../http/routing/Route'
+import {Request} from '../../http/lifecycle/Request'
+import {Session} from '../../http/session/Session'
+import {
+    ClientRepository,
+    OAuth2Client,
+    OAuth2FlowType,
+    OAuth2Scope,
+    RedemptionCodeRepository,
+    ScopeRepository,
+    TokenRepository,
+} from './types'
+import {HTTPError} from '../../http/HTTPError'
+import {HTTPStatus, Maybe} from '../../util'
+import {view} from '../../http/response/ViewResponseFactory'
+import {SecurityContext} from '../context/SecurityContext'
+import {redirect} from '../../http/response/RedirectResponseFactory'
+import {AuthRequiredMiddleware} from '../middleware/AuthRequiredMiddleware'
+import {one} from '../../http/response/api'
+import {AuthenticatableRepository} from '../types'
+import {Logging} from '../../service/Logging'
+
+export enum GrantType {
+    Client = 'client_credentials',
+    Password = 'password',
+    Code = 'authorization_code',
+}
+
+export const grantTypes: GrantType[] = [GrantType.Client, GrantType.Code, GrantType.Password]
+
+@Injectable()
+export class OAuth2Server extends Controller {
+    @Inject()
+    protected readonly logging!: Logging
+
+    public static routes(): void {
+        Route.get('/oauth2/authorize')
+            .alias('@oauth2:authorize')
+            .pre(AuthRequiredMiddleware)
+            .passingRequest()
+            .calls<OAuth2Server>(OAuth2Server, x => x.promptForAuthorization)
+
+        Route.post('/oauth2/authorize')
+            .alias('@oauth2:authorize:submit')
+            .pre(AuthRequiredMiddleware)
+            .passingRequest()
+            .calls<OAuth2Server>(OAuth2Server, x => x.authorizeAndRedirect)
+
+        Route.post('/oauth2/token')
+            .alias('@oauth2:token')
+            .passingRequest()
+            .calls<OAuth2Server>(OAuth2Server, x => x.issue)
+    }
+
+    async issue(request: Request): Promise<ResponseObject> {
+        const grant = request.safe('grant_type').in(grantTypes)
+        const client = await this.getClientFromRequest(request)
+
+        if ( grant === GrantType.Client ) {
+            return this.issueFromClient(request, client)
+        } else if ( grant === GrantType.Code ) {
+            return this.issueFromCode(request, client)
+        } else if ( grant === GrantType.Password ) {
+            return this.issueFromCredential(request, client)
+        }
+    }
+
+    protected async issueFromCredential(request: Request, client: OAuth2Client): Promise<ResponseObject> {
+        const scope = String(this.request.input('scope') ?? '') || undefined
+        const username = this.request.safe('username').string()
+        const password = this.request.safe('password').string()
+
+        this.logging.verbose('Attempting password grant token issue...')
+        this.logging.verbose({
+            scope,
+            username,
+            client,
+        })
+
+        const userRepo = <AuthenticatableRepository> request.make(AuthenticatableRepository)
+        const user = await userRepo.getByIdentifier(username)
+        if ( !user || !(await user.validateCredential(password)) ) {
+            throw new HTTPError(HTTPStatus.BAD_REQUEST)
+        }
+
+        const tokenRepo = <TokenRepository> request.make(TokenRepository)
+        const token = await tokenRepo.issue(user, client, scope)
+        return one({
+            token: await tokenRepo.encode(token),
+        })
+    }
+
+    protected async issueFromCode(request: Request, client: OAuth2Client): Promise<ResponseObject> {
+        const scope = String(this.request.input('scope') ?? '') || undefined
+        const codeRepo = <RedemptionCodeRepository> request.make(RedemptionCodeRepository)
+        const codeString = request.safe('code').string()
+        const code = await codeRepo.find(codeString)
+        if ( !code ) {
+            throw new HTTPError(HTTPStatus.BAD_REQUEST)
+        }
+
+        const userRepo = <AuthenticatableRepository> request.make(AuthenticatableRepository)
+        const user = await userRepo.getByIdentifier(code.userId)
+        if ( !user ) {
+            throw new HTTPError(HTTPStatus.BAD_REQUEST)
+        }
+
+        const tokenRepo = <TokenRepository> request.make(TokenRepository)
+        const token = await tokenRepo.issue(user, client, scope)
+        return one({
+            token: await tokenRepo.encode(token),
+        })
+    }
+
+    protected async issueFromClient(request: Request, client: OAuth2Client): Promise<ResponseObject> {
+        const scope = String(this.request.input('scope') ?? '') || undefined
+
+        const tokenRepo = <TokenRepository> request.make(TokenRepository)
+        const token = await tokenRepo.issue(undefined, client, scope)
+        return one({
+            token: await tokenRepo.encode(token),
+        })
+    }
+
+    protected async getClientFromRequest(request: Request): Promise<OAuth2Client> {
+        const authParts = String(request.getHeader('Authorization')).split(':')
+        if ( authParts.length !== 2 ) {
+            throw new HTTPError(HTTPStatus.BAD_REQUEST)
+        }
+
+        this.logging.debug('Client auth parts:')
+        this.logging.debug(authParts)
+
+        const clientRepo = <ClientRepository> request.make(ClientRepository)
+        const [clientId, clientSecret] = authParts
+        const client = await clientRepo.find(clientId)
+
+        this.logging.verbose('Client:')
+        this.logging.verbose(client)
+
+        if ( !client || client.secret !== clientSecret ) {
+            throw new HTTPError(HTTPStatus.UNAUTHORIZED)
+        }
+
+        return client
+    }
+
+    async authorizeAndRedirect(request: Request): Promise<ResponseObject> {
+        // Look up the client in the client repo
+        const session = <Session> request.make(Session)
+        const client = await this.getClientFromRequest(request)
+        const flowType = session.safe('oauth2.authorize.flow').in(client.allowedFlows)
+        if ( flowType === OAuth2FlowType.code ) {
+            return this.authorizeCodeFlow(request, client)
+        }
+    }
+
+    protected async authorizeCodeFlow(request: Request, client: OAuth2Client): Promise<ResponseObject> {
+        const session = <Session> request.make(Session)
+        const security = <SecurityContext> request.make(SecurityContext)
+        const codeRepository = <RedemptionCodeRepository> request.make(RedemptionCodeRepository)
+
+        const user = security.user()
+        const scope = session.get('oauth2.authorize.scope')
+        const redirectUri = session.safe('oauth2.authorize.redirectUri').in(client.allowedRedirectUris)
+
+        // FIXME store authorization
+
+        const code = await codeRepository.issue(user, client, scope)
+        const uri = new URL(redirectUri)
+        uri.searchParams.set('code', code.code)
+        return redirect(uri)
+    }
+
+    async promptForAuthorization(request: Request): Promise<ResponseObject> {
+        // Look up the client in the client repo
+        const clientId = request.safe('client_id').string()
+        const client = await this.getClient(request, clientId)
+
+        // Make sure the requested flow type is valid for this client
+        const session = <Session> request.make(Session)
+        const flowType = request.safe('response_type').in(client.allowedFlows)
+        const redirectUri = request.safe('redirect_uri').in(client.allowedRedirectUris)
+        session.set('oauth2.authorize.clientId', client.id)
+        session.set('oauth2.authorize.flow', flowType)
+        session.set('oauth2.authorize.redirectUri', redirectUri)
+
+        // Set the state if necessary
+        const state = request.input('state') || ''
+        if ( state ) {
+            session.set('oauth2.authorize.state', String(state))
+        } else {
+            session.forget('oauth2.authorize.state')
+        }
+
+        // If the request specified a scope, validate it and set it in the session
+        const scope = await this.getScope(request, client)
+
+        // Show a view prompting the user to approve the access
+        return view('@extollo:oauth2:authorize', {
+            clientName: client.display,
+            scopeDescription: scope?.description,
+            redirectDomain: (new URL(redirectUri)).host,
+        })
+    }
+
+    protected async getClient(request: Request, clientId: string): Promise<OAuth2Client> {
+        const clientRepo = <ClientRepository> request.make(ClientRepository)
+        const client = await clientRepo.find(clientId)
+        if ( !client ) {
+            throw new HTTPError(HTTPStatus.BAD_REQUEST, 'Invalid client configuration', {
+                clientId,
+            })
+        }
+
+        return client
+    }
+
+    protected async getScope(request: Request, client: OAuth2Client): Promise<Maybe<OAuth2Scope>> {
+        const session = <Session> request.make(Session)
+        const scopeName = String(request.input('scope') || '')
+        let scope: Maybe<OAuth2Scope> = undefined
+        if ( scopeName ) {
+            const scopeRepo = <ScopeRepository> request.make(ScopeRepository)
+            scope = await scopeRepo.findByName(scopeName)
+            if ( !scope || !client.allowedScopeIds.includes(scope.id) ) {
+                throw new HTTPError(HTTPStatus.BAD_REQUEST, 'Invalid scope', {
+                    scopeName,
+                })
+            }
+
+            session.set('oauth2.authorize.scope', scope.id)
+        } else {
+            session.forget('oauth2.authorize.state')
+        }
+
+        return scope
+    }
+}

src/auth/server/models/OAuth2TokenModel.ts

@@ -0,0 +1,30 @@
+import {Field, FieldType, Model} from '../../../orm'
+import {OAuth2Token} from '../types'
+
+export class OAuth2TokenModel extends Model<OAuth2TokenModel> implements OAuth2Token {
+    public static table = 'oauth2_tokens'
+
+    public static key = 'oauth2_token_id'
+
+    @Field(FieldType.serial, 'oauth2_token_id')
+    protected oauth2TokenId!: number
+
+    public get id(): string {
+        return String(this.oauth2TokenId)
+    }
+
+    @Field(FieldType.varchar, 'user_id')
+    public userId?: string
+
+    @Field(FieldType.varchar, 'client_id')
+    public clientId!: string
+
+    @Field(FieldType.timestamp)
+    public issued!: Date
+
+    @Field(FieldType.timestamp)
+    public expires!: Date
+
+    @Field(FieldType.varchar)
+    public scope?: string
+}

src/auth/server/repositories/CacheRedemptionCodeRepository.ts

@@ -0,0 +1,33 @@
+import {isOAuth2RedemptionCode, OAuth2Client, OAuth2RedemptionCode, RedemptionCodeRepository} from '../types'
+import {Inject, Injectable} from '../../../di'
+import {Cache, Maybe, uuid4} from '../../../util'
+import {Authenticatable} from '../../types'
+
+@Injectable()
+export class CacheRedemptionCodeRepository extends RedemptionCodeRepository {
+    @Inject()
+    protected readonly cache!: Cache
+
+    async find(codeString: string): Promise<Maybe<OAuth2RedemptionCode>> {
+        const cacheKey = `@extollo:oauth2:redemption:${codeString}`
+        if ( await this.cache.has(cacheKey) ) {
+            const code = await this.cache.safe(cacheKey).then(x => x.json())
+            if ( isOAuth2RedemptionCode(code) ) {
+                return code
+            }
+        }
+    }
+
+    async issue(user: Authenticatable, client: OAuth2Client, scope?: string): Promise<OAuth2RedemptionCode> {
+        const code = {
+            scope,
+            clientId: client.id,
+            userId: user.getUniqueIdentifier(),
+            code: uuid4(),
+        }
+
+        const cacheKey = `@extollo:oauth2:redemption:${code.code}`
+        await this.cache.put(cacheKey, JSON.stringify(code))
+        return code
+    }
+}

src/auth/server/repositories/ClientRepositoryFactory.ts

@@ -0,0 +1,23 @@
+import {Instantiable, FactoryProducer} from '../../../di'
+import {ClientRepository} from '../types'
+import {ConfigClientRepository} from './ConfigClientRepository'
+import {ConfiguredSingletonFactory} from '../../../di/factory/ConfiguredSingletonFactory'
+
+/**
+ * A dependency injection factory that matches the abstract ClientRepository class
+ * and produces an instance of the configured repository driver implementation.
+ */
+@FactoryProducer()
+export class ClientRepositoryFactory extends ConfiguredSingletonFactory<ClientRepository> {
+    protected getConfigKey(): string {
+        return 'oauth2.repository.client'
+    }
+
+    protected getDefaultImplementation(): Instantiable<ClientRepository> {
+        return ConfigClientRepository
+    }
+
+    protected getAbstractImplementation(): any {
+        return ClientRepository
+    }
+}

src/auth/server/repositories/ConfigClientRepository.ts

@@ -0,0 +1,22 @@
+import {ClientRepository, OAuth2Client, isOAuth2Client} from '../types'
+import {Awaitable, ErrorWithContext, Maybe} from '../../../util'
+import {Inject, Injectable} from '../../../di'
+import {Config} from '../../../service/Config'
+
+@Injectable()
+export class ConfigClientRepository extends ClientRepository {
+    @Inject()
+    protected readonly config!: Config
+
+    find(id: string): Awaitable<Maybe<OAuth2Client>> {
+        const client = this.config.get(`oauth2.clients.${id}`)
+        if ( !isOAuth2Client(client) ) {
+            throw new ErrorWithContext('Invalid OAuth2 client configuration', {
+                id,
+                client,
+            })
+        }
+
+        return client
+    }
+}

src/auth/server/repositories/ConfigScopeRepository.ts

@@ -0,0 +1,21 @@
+import {isOAuth2Scope, OAuth2Scope, ScopeRepository} from '../types'
+import {Inject, Injectable} from '../../../di'
+import {Config} from '../../../service/Config'
+import {Awaitable, Maybe} from '../../../util'
+
+@Injectable()
+export class ConfigScopeRepository extends ScopeRepository {
+    @Inject()
+    protected readonly config!: Config
+
+    find(id: string): Awaitable<Maybe<OAuth2Scope>> {
+        const scope = this.config.get(`oauth2.scopes.${id}`)
+        if ( isOAuth2Scope(scope) ) {
+            return scope
+        }
+    }
+
+    findByName(name: string): Awaitable<Maybe<OAuth2Scope>> {
+        return this.find(name)
+    }
+}

src/auth/server/repositories/ORMTokenRepository.ts

@@ -0,0 +1,94 @@
+import {isOAuth2Token, OAuth2Client, OAuth2Token, oauth2TokenString, OAuth2TokenString, TokenRepository} from '../types'
+import {Inject, Injectable} from '../../../di'
+import {ErrorWithContext, Maybe} from '../../../util'
+import {OAuth2TokenModel} from '../models/OAuth2TokenModel'
+import {Config} from '../../../service/Config'
+import * as jwt from 'jsonwebtoken'
+import {Authenticatable} from '../../types'
+import {make} from '../../../make'
+
+@Injectable()
+export class ORMTokenRepository extends TokenRepository {
+    @Inject()
+    protected readonly config!: Config
+
+    async find(id: string): Promise<Maybe<OAuth2Token>> {
+        const idNum = parseInt(id, 10)
+        if ( !isNaN(idNum) ) {
+            return OAuth2TokenModel.query<OAuth2TokenModel>()
+                .whereKey(idNum)
+                .first()
+        }
+    }
+
+    async issue(user: Authenticatable|undefined, client: OAuth2Client, scope?: string): Promise<OAuth2Token> {
+        const expiration = this.config.safe('outh2.token.lifetimeSeconds')
+            .or(60 * 60 * 6)
+            .integer() * 1000
+
+        const token = make<OAuth2TokenModel>(OAuth2TokenModel)
+        token.scope = scope
+        token.clientId = client.id
+        token.issued = new Date()
+        token.expires = new Date(Math.floor(Date.now() + expiration))
+        if ( user ) {
+            token.userId = String(user.getUniqueIdentifier())
+        }
+        await token.save()
+
+        return token
+    }
+
+    async encode(token: OAuth2Token): Promise<OAuth2TokenString> {
+        const secret = this.config.safe('oauth2.secret').string()
+        const payload = {
+            id: token.id,
+            clientId: token.clientId,
+            iat: Math.floor(token.issued.valueOf() / 1000),
+            exp: Math.floor(token.expires.valueOf() / 1000),
+            ...(token.userId ? { userId: token.userId } : {}),
+            ...(token.scope ? { scope: token.scope } : {}),
+        }
+
+        const generated = await new Promise<string>((res, rej) => {
+            jwt.sign(payload, secret, {}, (err, gen) => {
+                if (err || !gen) {
+                    rej(err || new ErrorWithContext('Unable to encode JWT.', {
+                        payload,
+                        gen,
+                    }))
+                } else {
+                    res(gen)
+                }
+            })
+        })
+
+        return oauth2TokenString(generated)
+    }
+
+    async decode(token: OAuth2TokenString): Promise<Maybe<OAuth2Token>> {
+        const secret = this.config.safe('oauth2.secret').string()
+        const decoded = await new Promise<any>((res, rej) => {
+            jwt.verify(token, secret, {}, (err, payload) => {
+                if ( err ) {
+                    rej(err)
+                } else {
+                    res(payload)
+                }
+            })
+        })
+
+        const value = {
+            id: decoded.id,
+            clientId: decoded.clientId,
+            issued: new Date(decoded.iat * 1000),
+            expires: new Date(decoded.exp * 1000),
+            ...(decoded.userId ? { userId: decoded.userId } : {}),
+            ...(decoded.scope ? { scope: decoded.scope } : {}),
+        }
+
+        if ( isOAuth2Token(value) ) {
+            return value
+        }
+    }
+}

src/auth/server/repositories/RedemptionCodeRepositoryFactory.ts

@@ -0,0 +1,23 @@
+import {Instantiable, FactoryProducer} from '../../../di'
+import {RedemptionCodeRepository} from '../types'
+import {CacheRedemptionCodeRepository} from './CacheRedemptionCodeRepository'
+import {ConfiguredSingletonFactory} from '../../../di/factory/ConfiguredSingletonFactory'
+
+/**
+ * A dependency injection factory that matches the abstract RedemptionCodeRepository class
+ * and produces an instance of the configured repository driver implementation.
+ */
+@FactoryProducer()
+export class RedemptionCodeRepositoryFactory extends ConfiguredSingletonFactory<RedemptionCodeRepository> {
+    protected getConfigKey(): string {
+        return 'oauth2.repository.client'
+    }
+
+    protected getDefaultImplementation(): Instantiable<RedemptionCodeRepository> {
+        return CacheRedemptionCodeRepository
+    }
+
+    protected getAbstractImplementation(): any {
+        return RedemptionCodeRepository
+    }
+}

src/auth/server/repositories/ScopeRepositoryFactory.ts

@@ -0,0 +1,23 @@
+import {Instantiable, FactoryProducer} from '../../../di'
+import {ScopeRepository} from '../types'
+import {ConfigScopeRepository} from './ConfigScopeRepository'
+import {ConfiguredSingletonFactory} from '../../../di/factory/ConfiguredSingletonFactory'
+
+/**
+ * A dependency injection factory that matches the abstract ScopeRepository class
+ * and produces an instance of the configured repository driver implementation.
+ */
+@FactoryProducer()
+export class ScopeRepositoryFactory extends ConfiguredSingletonFactory<ScopeRepository> {
+    protected getConfigKey(): string {
+        return 'oauth2.repository.scope'
+    }
+
+    protected getDefaultImplementation(): Instantiable<ScopeRepository> {
+        return ConfigScopeRepository
+    }
+
+    protected getAbstractImplementation(): any {
+        return ScopeRepository
+    }
+}

src/auth/server/repositories/TokenRepositoryFactory.ts

@@ -0,0 +1,23 @@
+import {Instantiable, FactoryProducer} from '../../../di'
+import {TokenRepository} from '../types'
+import {ORMTokenRepository} from './ORMTokenRepository'
+import {ConfiguredSingletonFactory} from '../../../di/factory/ConfiguredSingletonFactory'
+
+/**
+ * A dependency injection factory that matches the abstract TokenRepository class
+ * and produces an instance of the configured repository driver implementation.
+ */
+@FactoryProducer()
+export class TokenRepositoryFactory extends ConfiguredSingletonFactory<TokenRepository> {
+    protected getConfigKey(): string {
+        return 'oauth2.repository.token'
+    }
+
+    protected getDefaultImplementation(): Instantiable<TokenRepository> {
+        return ORMTokenRepository
+    }
+
+    protected getAbstractImplementation(): any {
+        return TokenRepository
+    }
+}

src/auth/server/types.ts

@@ -0,0 +1,179 @@
+import {Awaitable, hasOwnProperty, Maybe, TypeTag} from '../../util'
+import {Authenticatable, AuthenticatableIdentifier} from '../types'
+
+export enum OAuth2FlowType {
+    code = 'code',
+}
+
+// export const oauth2FlowTypes: OAuth2FlowType[] = Object.entries(OAuth2FlowType).map(([_, value]) => value)
+
+export function isOAuth2FlowType(what: unknown): what is OAuth2FlowType {
+    return [OAuth2FlowType.code].includes(what as any)
+}
+
+export interface OAuth2Client {
+    id: string
+    display: string
+    secret: string
+    allowedFlows: OAuth2FlowType[]
+    allowedScopeIds: string[]
+    allowedRedirectUris: string[]
+}
+
+export function isOAuth2Client(what: unknown): what is OAuth2Client {
+    if ( typeof what !== 'object' || what === null ) {
+        return false
+    }
+
+    if (
+        !hasOwnProperty(what, 'id')
+        || !hasOwnProperty(what, 'display')
+        || !hasOwnProperty(what, 'secret')
+        || !hasOwnProperty(what, 'allowedFlows')
+        || !hasOwnProperty(what, 'allowedScopeIds')
+        || !hasOwnProperty(what, 'allowedRedirectUris')
+    ) {
+        return false
+    }
+
+    if ( typeof what.id !== 'string' || typeof what.display !== 'string' || typeof what.secret !== 'string' ) {
+        return false
+    }
+
+    if ( !Array.isArray(what.allowedScopeIds) || !what.allowedScopeIds.every(x => typeof x === 'string') ) {
+        return false
+    }
+
+    if ( !Array.isArray(what.allowedRedirectUris) || !what.allowedRedirectUris.every(x => typeof x === 'string') ) {
+        return false
+    }
+
+    return !(!Array.isArray(what.allowedFlows) || !what.allowedFlows.every(x => isOAuth2FlowType(x)))
+}
+
+export abstract class ClientRepository {
+    abstract find(id: string): Awaitable<Maybe<OAuth2Client>>
+}
+
+export interface OAuth2Scope {
+    id: string
+    name: string
+    description?: string
+}
+
+export function isOAuth2Scope(what: unknown): what is OAuth2Scope {
+    if ( typeof what !== 'object' || what === null ) {
+        return false
+    }
+
+    if ( !hasOwnProperty(what, 'id') || !hasOwnProperty(what, 'name') ) {
+        return false
+    }
+
+    if ( typeof what.id !== 'string' || typeof what.name !== 'string' ) {
+        return false
+    }
+
+    return !hasOwnProperty(what, 'description') || typeof what.description === 'string'
+}
+
+export abstract class ScopeRepository {
+    abstract find(id: string): Awaitable<Maybe<OAuth2Scope>>
+
+    abstract findByName(name: string): Awaitable<Maybe<OAuth2Scope>>
+}
+
+export abstract class OAuth2Token {
+    abstract id: string
+
+    /** When undefined, these are client credentials. */
+    abstract userId?: AuthenticatableIdentifier
+
+    abstract clientId: string
+
+    abstract issued: Date
+
+    abstract expires: Date
+
+    abstract scope?: string
+}
+
+export type OAuth2TokenString = TypeTag<'@extollo/lib.OAuth2TokenString'> & string
+
+export function oauth2TokenString(s: string): OAuth2TokenString {
+    return s as OAuth2TokenString
+}
+
+export function isOAuth2Token(what: unknown): what is OAuth2Token {
+    if ( typeof what !== 'object' || what === null ) {
+        return false
+    }
+
+    if (
+        !hasOwnProperty(what, 'id')
+        || !hasOwnProperty(what, 'clientId')
+        || !hasOwnProperty(what, 'issued')
+        || !hasOwnProperty(what, 'expires')
+    ) {
+        return false
+    }
+
+    if (
+        typeof what.id !== 'string'
+        || (hasOwnProperty(what, 'userId') && !(typeof what.userId === 'string' || typeof what.userId === 'number'))
+        || typeof what.clientId !== 'string'
+        || !(what.issued instanceof Date)
+        || !(what.expires instanceof Date)
+    ) {
+        return false
+    }
+
+    return !hasOwnProperty(what, 'scope') || typeof what.scope === 'string'
+}
+
+export abstract class TokenRepository {
+    abstract find(id: string): Awaitable<Maybe<OAuth2Token>>
+
+    abstract issue(user: Authenticatable|undefined, client: OAuth2Client, scope?: string): Awaitable<OAuth2Token>
+
+    abstract decode(token: OAuth2TokenString): Awaitable<Maybe<OAuth2Token>>
+
+    abstract encode(token: OAuth2Token): Awaitable<OAuth2TokenString>
+}
+
+export interface OAuth2RedemptionCode {
+    clientId: string
+    userId: AuthenticatableIdentifier
+    code: string
+    scope?: string
+}
+
+export function isOAuth2RedemptionCode(what: unknown): what is OAuth2RedemptionCode {
+    if ( typeof what !== 'object' || what === null ) {
+        return false
+    }
+
+    if (
+        !hasOwnProperty(what, 'clientId')
+        || !hasOwnProperty(what, 'userId')
+        || !hasOwnProperty(what, 'code')
+    ) {
+        return false
+    }
+
+    if (
+        typeof what.clientId !== 'string'
+        || !(typeof what.userId === 'number' || typeof what.userId === 'string')
+        || typeof what.code !== 'string'
+    ) {
+        return false
+    }
+
+    return !hasOwnProperty(what, 'scope') || typeof what.scope === 'string'
+}
+
+export abstract class RedemptionCodeRepository {
+    abstract find(code: string): Awaitable<Maybe<OAuth2RedemptionCode>>
+
+    abstract issue(user: Authenticatable, client: OAuth2Client, scope?: string): Awaitable<OAuth2RedemptionCode>
+}

src/auth/types.ts

@@ -0,0 +1,43 @@
+import {Awaitable, JSONState, Maybe, Rehydratable} from '../util'
+
+/** Value that can be used to uniquely identify a user. */
+export type AuthenticatableIdentifier = string | number
+
+/**
+ * Base class for entities that can be authenticated.
+ */
+export abstract class Authenticatable implements Rehydratable {
+
+    /** Get the globally-unique identifier of the user. */
+    abstract getUniqueIdentifier(): AuthenticatableIdentifier
+
+    /** Get the repository-unique identifier of the user. */
+    abstract getIdentifier(): AuthenticatableIdentifier
+
+    /** Get the human-readable identifier of the user. */
+    abstract getDisplay(): string
+
+    /** Attempt to validate a credential of the user. */
+    abstract validateCredential(credential: string): Awaitable<boolean>
+
+    abstract dehydrate(): Promise<JSONState>
+
+    abstract rehydrate(state: JSONState): Awaitable<void>
+}
+
+/**
+ * Base class for a repository that stores and recalls users.
+ */
+export abstract class AuthenticatableRepository {
+    /** Look up the user by their unique identifier. */
+    abstract getByIdentifier(id: AuthenticatableIdentifier): Awaitable<Maybe<Authenticatable>>
+
+    /** Returns true if this repository supports registering users. */
+    abstract supportsRegistration(): boolean
+
+    /** Create a user in this repository from an external Authenticatable instance. */
+    abstract createFromExternal(user: Authenticatable): Awaitable<Authenticatable>
+
+    /** Create a user in this repository from basic credentials. */
+    abstract createFromCredentials(username: string, password: string): Awaitable<Authenticatable>
+}

src/auth/webSocketAuthCheck.ts

@@ -0,0 +1,36 @@
+import {Container} from '../di'
+import {RequestLocalStorage} from '../http/RequestLocalStorage'
+import {Session} from '../http/session/Session'
+import {Logging} from '../service/Logging'
+import {SecurityContext} from './context/SecurityContext'
+import {Bus} from '../support/bus'
+import {AuthCheckFailed} from './event/AuthCheckFailed'
+
+/**
+ * Check if the security context for the current request's web socket is still valid.
+ * If not, raise an `AuthCheckFailed` event. This is meant to be used as a subscriber
+ * to `WebSocketHealthCheckEvent` on the request.
+ *
+ * @see AuthCheckFailed
+ */
+export async function webSocketAuthCheck(): Promise<void> {
+    const request = Container.getContainer()
+        .make<RequestLocalStorage>(RequestLocalStorage)
+        .get()
+
+    const logging = request.make<Logging>(Logging)
+
+    try {
+        // Try to re-load the session in case we're using the SessionSecurityContext
+        await request.make<Session>(Session).load()
+    } catch (e: unknown) {
+        logging.error(e)
+    }
+
+    const security = request.make<SecurityContext>(SecurityContext)
+    await security.resume()
+
+    if ( !security.hasUser() ) {
+        await request.make<Bus>(Bus).push(new AuthCheckFailed())
+    }
+}

src/cli/Directive.ts

@@ -0,0 +1,489 @@
+import {Injectable, Inject} from '../di'
+import {infer, ErrorWithContext} from '../util'
+import {CLIOption} from './directive/options/CLIOption'
+import {PositionalOption} from './directive/options/PositionalOption'
+import {FlagOption} from './directive/options/FlagOption'
+import {AppClass} from '../lifecycle/AppClass'
+import {Logging} from '../service/Logging'
+
+/**
+ * Type alias for a definition of a command-line option.
+ *
+ * This can be either an instance of CLIOption or a string describing an option.
+ *
+ * @example
+ * Some examples of positional/flag options defined by strings:
+ * `'{file name} | canonical name of the resource to create'`
+ *
+ * `'--push -p {value} | the value to be pushed'`
+ *
+ * `'--force -f | do a force push'`
+ */
+export type OptionDefinition = CLIOption<any> | string
+
+/**
+ * An error thrown when an invalid option was detected.
+ */
+export class OptionValidationError extends ErrorWithContext {}
+
+/**
+ * A base class representing a sub-command in the command-line utility.
+ */
+@Injectable()
+export abstract class Directive extends AppClass {
+    @Inject()
+    protected readonly logging!: Logging
+
+    /** Parsed option values. */
+    private optionValues: any
+
+    /**
+     * Get the keyword or array of keywords that will specify this directive.
+     *
+     * @example
+     * If this returns `['up', 'start']`, the directive can be run by either of:
+     *
+     * ```shell
+     * ./ex up
+     * ./ex start
+     * ```
+     */
+    public abstract getKeywords(): string | string[]
+
+    /**
+     * Get the usage description of this directive. Should be brief (1 sentence).
+     */
+    public abstract getDescription(): string
+
+    /**
+     * Optionally, specify a longer usage text that is shown on the directive's `--help` page.
+     */
+    public getHelpText(): string {
+        return ''
+    }
+
+    /**
+     * Get an array of options defined for this command.
+     */
+    public getOptions(): OptionDefinition[] {
+        return []
+    }
+
+    /**
+     * Called when the directive is run from the command line.
+     *
+     * The raw arguments are provided as `argv`, but you are encouraged to use
+     * `getOptions()` and `option()` helpers to access the parsed options instead.
+     *
+     * @param argv
+     */
+    public abstract handle(argv: string[]): void | Promise<void>
+
+    /**
+     * Sets the parsed option values.
+     * @param optionValues
+     * @private
+     */
+    private setOptionValues(optionValues: any) {
+        this.optionValues = optionValues
+    }
+
+    /**
+     * Get the value of a parsed option. If none exists, return `defaultValue`.
+     * @param name
+     * @param defaultValue
+     */
+    public option(name: string, defaultValue?: unknown): any {
+        if ( name in this.optionValues ) {
+            return this.optionValues[name]
+        }
+
+        return defaultValue
+    }
+
+    /**
+     * Invoke this directive with the specified arguments.
+     *
+     * If usage was requested (see `didRequestUsage()`), it prints the extended usage info.
+     *
+     * Otherwise, it parses the options from `argv` and calls `handle()`.
+     *
+     * @param argv
+     */
+    async invoke(argv: string[]): Promise<void> {
+        const options = this.getResolvedOptions()
+
+        if ( this.didRequestUsage(argv) ) {
+            const positionalArguments: PositionalOption<any>[] = []
+            options.forEach(opt => {
+                if ( opt instanceof PositionalOption ) {
+                    positionalArguments.push(opt)
+                }
+            })
+
+            const flagArguments: FlagOption<any>[] = []
+            options.forEach(opt => {
+                if ( opt instanceof FlagOption ) {
+                    flagArguments.push(opt)
+                }
+            })
+
+            const positionalDisplay: string = positionalArguments.map(x => `<${x.getArgumentName()}>`).join(' ')
+            const flagDisplay: string = flagArguments.length ? ' [...flags]' : ''
+
+            this.nativeOutput([
+                '',
+                `DIRECTIVE: ${this.getMainKeyword()}  -  ${this.getDescription()}`,
+                '',
+                `USAGE: ${this.getMainKeyword()} ${positionalDisplay}${flagDisplay}`,
+            ].join('\n'))
+
+            if ( positionalArguments.length ) {
+                this.nativeOutput([
+                    '',
+                    `POSITIONAL ARGUMENTS:`,
+                    ...(positionalArguments.map(arg => {
+                        return `    ${arg.getArgumentName()}${arg.message ? ' - ' + arg.message : ''}`
+                    })),
+                ].join('\n'))
+            }
+
+            if ( flagArguments.length ) {
+                this.nativeOutput([
+                    '',
+                    `FLAGS:`,
+                    ...(flagArguments.map(arg => {
+                        return `    ${arg.shortFlag ? arg.shortFlag + ', ' : ''}${arg.longFlag}${arg.argumentDescription ? ' {' + arg.argumentDescription + '}' : ''}${arg.message ? ' - ' + arg.message : ''}`
+                    })),
+                ].join('\n'))
+            }
+
+            const help = this.getHelpText()
+            if ( help ) {
+                this.nativeOutput('\n' + help)
+            }
+
+            this.nativeOutput('\n')
+        } else {
+            try {
+                const optionValues = this.parseOptions(options, argv)
+                this.setOptionValues(optionValues)
+                await this.handle(argv)
+            } catch (e: unknown) {
+                if ( e instanceof Error ) {
+                    this.nativeOutput(e.message)
+                    this.error(e)
+                }
+
+                if ( e instanceof OptionValidationError ) {
+                    // expecting, value, requirements
+                    if ( e.context.expecting ) {
+                        this.nativeOutput(`  - Expecting: ${e.context.expecting}`)
+                    }
+
+                    if ( e.context.requirements && Array.isArray(e.context.requirements) ) {
+                        for ( const req of e.context.requirements ) {
+                            this.nativeOutput(`  - ${req}`)
+                        }
+                    }
+
+                    if ( e.context.value ) {
+                        this.nativeOutput(`  - ${e.context.value}`)
+                    }
+                }
+
+                this.nativeOutput('\nUse --help for more info.')
+            }
+        }
+    }
+
+    /**
+     * Resolve the array of option definitions to CLIOption instances.
+     * Of note, this resolves the string-form definitions to actual CLIOption instances.
+     */
+    public getResolvedOptions(): CLIOption<any>[] {
+        return this.getOptions().map(option => {
+            if ( typeof option === 'string' ) {
+                return this.instantiateOptionFromString(option)
+            } else {
+                return option
+            }
+        })
+    }
+
+    /**
+     * Get the main keyword displayed for this directive.
+     * @example
+     * If `getKeywords()` returns `['up', 'start']`, this will return `'up'`.
+     */
+    public getMainKeyword(): string {
+        const kws = this.getKeywords()
+
+        if ( Array.isArray(kws) ) {
+            return kws[0]
+        }
+
+        return kws
+    }
+
+    /**
+     * Returns true if the given keyword should invoke this directive.
+     * @param name
+     */
+    public matchesKeyword(name: string): boolean {
+        let kws = this.getKeywords()
+        if ( !Array.isArray(kws) ) {
+            kws = [kws]
+        }
+        return kws.includes(name)
+    }
+
+    /**
+     * Print the given output to the log as success text.
+     * @param output
+     */
+    success(output: unknown): void {
+        this.logging.success(output, true)
+    }
+
+    /**
+     * Print the given output to the log as error text.
+     * @param output
+     */
+    error(output: unknown): void {
+        this.logging.error(output, true)
+    }
+
+    /**
+     * Print the given output to the log as warning text.
+     * @param output
+     */
+    warn(output: unknown): void {
+        this.logging.warn(output, true)
+    }
+
+    /**
+     * Print the given output to the log as info text.
+     * @param output
+     */
+    info(output: unknown): void {
+        this.logging.info(output, true)
+    }
+
+    /**
+     * Print the given output to the log as debugging text.
+     * @param output
+     */
+    debug(output: unknown): void {
+        this.logging.debug(output, true)
+    }
+
+    /**
+     * Print the given output to the log as verbose text.
+     * @param output
+     */
+    verbose(output: unknown): void {
+        this.logging.verbose(output, true)
+    }
+
+    /**
+     * Get the flag option that signals help. Usually, this is named 'help'
+     * and supports the flags '--help' and '-?'.
+     */
+    getHelpOption(): FlagOption<any> {
+        return new FlagOption('--help', '-?', 'usage information about this directive')
+    }
+
+    /**
+     * Process the raw CLI arguments using an array of option class instances to build
+     * a mapping of option names to provided values.
+     */
+    parseOptions(options: CLIOption<any>[], args: string[]): {[key: string]: any} {
+        let positionalArguments: PositionalOption<any>[] = []
+        options.forEach(opt => {
+            if ( opt instanceof PositionalOption ) {
+                positionalArguments.push(opt)
+            }
+        })
+
+        const flagArguments: FlagOption<any>[] = []
+        options.forEach(opt => {
+            if ( opt instanceof FlagOption ) {
+                flagArguments.push(opt)
+            }
+        })
+
+        const optionValue: any = {}
+
+        flagArguments.push(this.getHelpOption())
+
+        let expectingFlagArgument = false
+        let positionalFlagName = ''
+        for ( const value of args ) {
+            if ( value.startsWith('--') ) {
+                if ( expectingFlagArgument ) {
+                    throw new OptionValidationError(`Unexpected flag argument. Expecting argument for flag: ${positionalFlagName}`, {
+                        expecting: positionalFlagName,
+                    })
+                } else {
+                    const flagArgument = flagArguments.filter(x => x.longFlag === value)
+                    if ( flagArgument.length < 1 ) {
+                        throw new OptionValidationError(`Unknown flag argument: ${value}`, {
+                            value,
+                        })
+                    } else {
+                        if ( flagArgument[0].argumentDescription ) {
+                            positionalFlagName = flagArgument[0].getArgumentName()
+                            expectingFlagArgument = true
+                        } else {
+                            optionValue[flagArgument[0].getArgumentName()] = true
+                        }
+                    }
+                }
+            } else if ( value.startsWith('-') ) {
+                if ( expectingFlagArgument ) {
+                    throw new OptionValidationError(`Unknown flag argument: ${value}`, {
+                        expecting: positionalFlagName,
+                    })
+                } else {
+                    const flagArgument = flagArguments.filter(x => x.shortFlag === value)
+                    if ( flagArgument.length < 1 ) {
+                        throw new OptionValidationError(`Unknown flag argument: ${value}`, {
+                            value,
+                        })
+                    } else {
+                        if ( flagArgument[0].argumentDescription ) {
+                            positionalFlagName = flagArgument[0].getArgumentName()
+                            expectingFlagArgument = true
+                        } else {
+                            optionValue[flagArgument[0].getArgumentName()] = true
+                        }
+                    }
+                }
+            } else if ( expectingFlagArgument ) {
+                const inferredValue = infer(value)
+                const optionInstance = flagArguments.filter(x => x.getArgumentName() === positionalFlagName)[0]
+                if ( !optionInstance.validate(inferredValue) ) {
+                    throw new OptionValidationError(`Invalid value for argument: ${positionalFlagName}`, {
+                        requirements: optionInstance.getRequirementDisplays(),
+                    })
+                }
+
+                optionValue[positionalFlagName] = inferredValue
+                expectingFlagArgument = false
+            } else {
+                if ( positionalArguments.length < 1 ) {
+                    throw new OptionValidationError(`Unknown positional argument: ${value}`, {
+                        value,
+                    })
+                } else {
+                    const inferredValue = infer(value)
+                    if ( !positionalArguments[0].validate(inferredValue) ) {
+                        throw new OptionValidationError(`Invalid value for argument: ${positionalArguments[0].getArgumentName()}`, {
+                            requirements: positionalArguments[0].getRequirementDisplays(),
+                        })
+                    }
+
+                    optionValue[positionalArguments[0].getArgumentName()] = infer(value)
+                    positionalArguments = positionalArguments.slice(1)
+                }
+            }
+        }
+
+        if ( expectingFlagArgument ) {
+            throw new OptionValidationError(`Missing argument for flag: ${positionalFlagName}`, {
+                expecting: positionalFlagName,
+            })
+        }
+
+        if ( positionalArguments.length > 0 ) {
+            throw new OptionValidationError(`Missing required argument: ${positionalArguments[0].getArgumentName()}`, {
+                expecting: positionalArguments[0].getArgumentName(),
+            })
+        }
+
+        return optionValue
+    }
+
+    /**
+     * Create an instance of CLIOption based on a string definition of a particular format.
+     *
+     * e.g. '{file name} | canonical name of the resource to create'
+     * e.g. '--push -p {value} | the value to be pushed'
+     * e.g. '--force -f | do a force push'
+     *
+     * @param string
+     */
+    protected instantiateOptionFromString(string: string): CLIOption<any> {
+        if ( string.startsWith('{') ) {
+            // The string is a positional argument
+            const stringParts = string.split('|').map(x => x.trim())
+            const name = stringParts[0].replace(/\{|\}/g, '')
+            return stringParts.length > 1 ? (new PositionalOption(name, stringParts[1])) : (new PositionalOption(name))
+        } else {
+            // The string is a flag argument
+            const stringParts = string.split('|').map(x => x.trim())
+
+            // Parse the flag parts first
+            const hasArgument = stringParts[0].indexOf('{') >= 0
+            const flagString = hasArgument ? stringParts[0].substr(0, stringParts[0].indexOf('{')).trim() : stringParts[0].trim()
+            const flagParts = flagString.split(' ')
+
+            let longFlag = flagParts[0].startsWith('--') ? flagParts[0] : undefined
+            if ( !longFlag && flagParts.length > 1 ) {
+                if ( flagParts[1].startsWith('--') ) {
+                    longFlag = flagParts[1]
+                }
+            }
+
+            let shortFlag = flagParts[0].length === 2 ? flagParts[0] : undefined
+            if ( !shortFlag && flagParts.length > 1 ) {
+                if ( flagParts[1].length === 2 ) {
+                    shortFlag = flagParts[1]
+                }
+            }
+
+            const argumentDescription = hasArgument ? stringParts[0].substring(stringParts[0].indexOf('{')+1, stringParts[0].indexOf('}')) : undefined
+            const description = stringParts.length > 1 ? stringParts[1] : undefined
+
+            return new FlagOption(longFlag, shortFlag, description, argumentDescription)
+        }
+    }
+
+    /**
+     * Determines if, at any point in the arguments, the help option's short or long flag appears.
+     * @returns {boolean} - true if the help flag appeared
+     */
+    didRequestUsage(argv: string[]): boolean {
+        const helpOption = this.getHelpOption()
+        for ( const arg of argv ) {
+            if ( arg.trim() === helpOption.longFlag || arg.trim() === helpOption.shortFlag ) {
+                return true
+            }
+        }
+
+        return false
+    }
+
+    protected nativeOutput(...outputs: any[]): void {
+        console.log(...outputs)  // eslint-disable-line no-console
+    }
+
+    /**
+     * Get a promise that resolves after SIGINT is received, executing a
+     * callback beforehand.
+     * @param callback
+     * @protected
+     */
+    protected async untilInterrupt(callback?: () => unknown): Promise<void> {
+        return new Promise<void>(res => {
+            process.on('SIGINT', async () => {
+                if ( callback ) {
+                    await callback()
+                }
+
+                res()
+            })
+        })
+    }
+}

src/cli/Template.ts

@@ -0,0 +1,64 @@
+import {UniversalPath} from '../util'
+
+/**
+ * Interface defining a template that can be generated using the TemplateDirective.
+ */
+export interface Template {
+    /**
+     * The name of the template as it will be specified from the command line.
+     *
+     * @example
+     * If this is `'mytemplate'`, then the template will be created with:
+     *
+     * ```shell
+     * ./ex new mytemplate some:path
+     * ```
+     */
+    name: string,
+
+    /**
+     * The suffix of the file generated by this template.
+     * @example `.mytemplate.ts`
+     * @example `.controller.ts`
+     */
+    fileSuffix: string,
+
+    /**
+     * Brief description of the template displayed on the --help page for the TemplateDirective.
+     * Should be brief (1 sentence).
+     */
+    description: string,
+
+    /**
+     * Array of path-strings that are resolved relative to the base `app` directory.
+     * @example `['http', 'controllers']`
+     * @example `['units']`
+     */
+    baseAppPath: string[],
+
+    /**
+     * Render the given template to a string which will be written to the file.
+     * Note: this method should NOT write the contents to `targetFilePath`.
+     *
+     * @example
+     * If the user enters:
+     *
+     * ```shell
+     * ./ex new mytemplate path:to:NewInstance
+     * ```
+     *
+     * Then, the following params are:
+     * ```typescript
+     * {
+     *     name: 'NewInstance',
+     *     fullCanonicalPath: 'path:to:NewInstance',
+     *     targetFilePath: UniversalPath { }
+     * }
+     * ```
+     *
+     * @param name - the singular name of the resource
+     * @param fullCanonicalName - the full canonical name of the resource
+     * @param targetFilePath - the UniversalPath where the file will be written
+     */
+    render: (name: string, fullCanonicalName: string, targetFilePath: UniversalPath) => string | Promise<string>
+}

src/cli/decorators.ts

@@ -0,0 +1,23 @@
+import {ContainerBlueprint, Instantiable, isInstantiableOf} from '../di'
+import {CommandLine} from './service'
+import {Directive} from './Directive'
+import {logIfDebugging} from '../util'
+
+/**
+ * Register a class as a command-line Directive.
+ * The class must extend Directive.
+ * @constructor
+ */
+export const CLIDirective = (): ClassDecorator => {
+    return (target) => {
+        if ( isInstantiableOf(target, Directive) ) {
+            logIfDebugging('extollo.cli.decorators', 'Registering CLIDirective blueprint:', target)
+            ContainerBlueprint.getContainerBlueprint()
+                .onResolve<CommandLine>(CommandLine, (cli: CommandLine) => {
+                    cli.registerDirective(target as Instantiable<Directive>)
+                })
+        } else {
+            logIfDebugging('extollo.cli.decorators', 'Skipping CLIDirective blueprint:', target)
+        }
+    }
+}

src/cli/directive/RouteDirective.ts

@@ -0,0 +1,72 @@
+import {Directive, OptionDefinition} from '../Directive'
+import {Inject, Injectable} from '../../di'
+import {Routing} from '../../service/Routing'
+import Table = require('cli-table')
+import {HTTPMethod} from '../../http/lifecycle/Request'
+
+@Injectable()
+export class RouteDirective extends Directive {
+    @Inject()
+    protected readonly routing!: Routing
+
+    getDescription(): string {
+        return 'Get information about a specific route'
+    }
+
+    getKeywords(): string | string[] {
+        return ['route']
+    }
+
+    getOptions(): OptionDefinition[] {
+        return [
+            '{route} | the path of the route',
+            '--method -m {value} | the HTTP method of the route',
+        ]
+    }
+
+    async handle(): Promise<void> {
+        const method: string | undefined = this.option('method')
+            ?.toLowerCase()
+            ?.trim()
+
+        const route: string = this.option('route')
+            .toLowerCase()
+            .trim()
+
+        const matched = this.routing.getCompiled()
+            .filter(match => {
+                if ( !method ) {
+                    return match.getRoute().trim() === route
+                }
+
+                return (
+                    (match.getRoute().trim() === route && match.getMethods().includes(method as HTTPMethod))
+                    || match.match(method as HTTPMethod, route)
+                )
+            })
+            .some(match => {
+                const displays = match.getDisplays()
+                    .map<[string, string]>(ware => [ware.stage, ware.display])
+
+                if ( displays.isEmpty() ) {
+                    return
+                }
+
+                const maxLen = displays.max(x => x[1].length)
+
+                const table = new Table({
+                    head: ['Stage', 'Handler'],
+                    colWidths: [10, maxLen + 2],
+                })
+
+                displays.each(x => table.push(x))
+
+                this.info(`\nRoute: ${match}\n\n${table}`)
+                return true
+            })
+
+        if ( !matched ) {
+            this.error('No matching routes found.')
+        }
+    }
+}

src/cli/directive/RoutesDirective.ts

@@ -0,0 +1,41 @@
+import {Directive} from '../Directive'
+import {Inject, Injectable} from '../../di'
+import {Routing} from '../../service/Routing'
+import Table = require('cli-table')
+
+@Injectable()
+export class RoutesDirective extends Directive {
+    @Inject()
+    protected readonly routing!: Routing
+
+    getDescription(): string {
+        return 'List routes registered in the application'
+    }
+
+    getKeywords(): string | string[] {
+        return ['routes']
+    }
+
+    async handle(): Promise<void> {
+        const compiled = this.routing.getCompiled()
+
+        const maxRouteLength = compiled.strings().max('length')
+        const maxHandlerLength = compiled.mapCall('getHandlerDisplay')
+            .whereDefined()
+            .max('length')
+        const maxNameLength = compiled.mapCall('getAlias')
+            .whereDefined()
+            .max('length')
+
+        const rows = compiled.map(route => [String(route), route.getHandlerDisplay(), route.getAlias() || ''])
+
+        const table = new Table({
+            head: ['Route', 'Handler', 'Name'],
+            colWidths: [maxRouteLength + 2, maxHandlerLength + 2, maxNameLength + 2],
+        })
+
+        table.push(...rows.toArray())
+
+        this.info('\n' + table)
+    }
+}

src/cli/directive/RunDirective.ts

@@ -0,0 +1,31 @@
+import {Directive} from '../Directive'
+import {CommandLineApplication} from '../service'
+import {Injectable} from '../../di'
+import {ErrorWithContext} from '../../util'
+import {Unit} from '../../lifecycle/Unit'
+
+/**
+ * A directive that starts the framework's final target normally.
+ * In most cases, this runs the HTTP server, which would have been replaced
+ * by the CommandLineApplication unit.
+ */
+@Injectable()
+export class RunDirective extends Directive {
+    getDescription(): string {
+        return 'run the application normally'
+    }
+
+    getKeywords(): string | string[] {
+        return ['run', 'up']
+    }
+
+    async handle(): Promise<void> {
+        if ( !CommandLineApplication.getReplacement() ) {
+            throw new ErrorWithContext(`Cannot run application: no run target specified.`)
+        }
+
+        const unit = <Unit> this.make(CommandLineApplication.getReplacement())
+        await this.app().startUnit(unit)
+        await this.app().stopUnit(unit)
+    }
+}

src/cli/directive/ShellDirective.ts

@@ -0,0 +1,98 @@
+import {Directive, OptionDefinition} from '../Directive'
+import * as colors from 'colors/safe'
+import * as repl from 'repl'
+// import * as tsNode from 'ts-node'
+import {globalRegistry} from '../../util'
+
+/**
+ * Launch an interactive REPL shell from within the application.
+ * This is very useful for debugging and testing things during development.
+ *
+ * By default, the shell launches a TypeScript interpreter, but you can use
+ * the `--js` flag to get a JavaScript interpreter.
+ *
+ * @example
+ * ```sh
+ * pnpm cli -- shell
+ * pnpm cli -- shell --js
+ * ```
+ */
+export class ShellDirective extends Directive {
+    protected options: any = {
+        welcome: `powered by Extollo, © ${(new Date()).getFullYear()} Garrett Mills\nAccess your application using the "app" global and @extollo/lib using the "lib" global.`,
+        prompt: `${colors.blue('(')}extollo${colors.blue(') ➤  ')}`,
+    }
+
+    /**
+     * The created Node.js REPL server.
+     * @protected
+     */
+    protected repl?: repl.REPLServer
+
+    getDescription(): string {
+        return 'launch an interactive shell inside your application'
+    }
+
+    getKeywords(): string | string[] {
+        return ['shell']
+    }
+
+    getHelpText(): string {
+        return ''
+    }
+
+    getOptions(): OptionDefinition[] {
+        return [
+            '--js | launch in JavaScript mode instead of TypeScript',
+        ]
+    }
+
+    async handle(): Promise<void> {
+        const state: any = {
+            globalRegistry,
+            app: this.app(),
+            lib: await import('../../index'),
+            exports: {},
+        }
+
+        await new Promise<void>(res => {
+            // Currently, there's no way to programmatically access the async context
+            // of the REPL from this directive w/o requiring the user to perform manual
+            // actions. So, instead, override the context on the GlobalRegistry to make
+            // the current one the global default.
+            globalRegistry.forceContextOverride()
+
+            // Create the ts-node compiler service.
+            // const replService = tsNode.createRepl()
+            // const service = tsNode.create({...replService.evalAwarePartialHost})
+            // replService.setService(service)
+
+            // We global these values into the REPL's state directly (using the `state` object
+            // above), but since we're using a separate ts-node interpreter, we need to make it
+            // aware of the globals using declaration syntax.
+            // replService.evalCode(`
+            //     declare const lib: typeof import('@extollo/lib');
+            //     declare const app: typeof lib['Application'];
+            //     declare const globalRegistry: typeof lib['globalRegistry'];
+            // `)
+
+            // Print the welome message and start the interpreter
+            this.nativeOutput(this.options.welcome)
+            this.repl = repl.start({
+                // Causes the REPL to use the ts-node interpreter service:
+                // eval: !this.option('js', false) ? (...args) => replService.nodeEval(...args) : undefined,
+                prompt: this.options.prompt,
+                useGlobal: true,
+                useColors: true,
+                terminal: true,
+                preview: true,
+            })
+
+            // Add our globals into the REPL's context
+            Object.assign(this.repl.context, state)
+
+            // Wait for the REPL to exit
+            this.repl.on('exit', () => res())
+        })
+    }
+}

src/cli/directive/TemplateDirective.ts

@@ -0,0 +1,90 @@
+import {Directive, OptionDefinition} from '../Directive'
+import {PositionalOption} from './options/PositionalOption'
+import {CommandLine} from '../service'
+import {Inject, Injectable} from '../../di'
+import {ErrorWithContext} from '../../util'
+
+/**
+ * Create a new file based on a template registered with the CommandLine service.
+ */
+@Injectable()
+export class TemplateDirective extends Directive {
+    @Inject()
+    protected readonly cli!: CommandLine
+
+    getKeywords(): string | string[] {
+        return ['new', 'make']
+    }
+
+    getDescription(): string {
+        return 'create a new file from a registered template'
+    }
+
+    getOptions(): OptionDefinition[] {
+        const registeredTemplates = this.cli.getTemplates()
+        const template = new PositionalOption('template_name', 'the template to base the new file on (e.g. model, controller)')
+        template.whitelist(...registeredTemplates.pluck('name').all())
+
+        const destination = new PositionalOption('file_name', 'canonical name of the file to create (e.g. auth:Group, dash:Activity)')
+
+        return [template, destination]
+    }
+
+    getHelpText(): string {
+        const registeredTemplates = this.cli.getTemplates()
+
+        return [
+            'Modules in Extollo register templates that can be used to quickly create common file types.',
+            '',
+            'For example, you can create a new model from @extollo/orm using the "model" template:',
+            '',
+            './ex new model auth:Group',
+            '',
+            'This would create a new Group model in the ./src/app/models/auth/Group.model.ts file.',
+            '',
+            'AVAILABLE TEMPLATES:',
+            '',
+            ...(registeredTemplates.map(template => {
+                return `  - ${template.name}: ${template.description}`
+            }).all()),
+        ].join('\n')
+    }
+
+    async handle(): Promise<void> {
+        const templateName: string = this.option('template_name')
+        const destinationName: string = this.option('file_name')
+
+        if ( destinationName.includes('/') || destinationName.includes('\\') ) {
+            this.error(`The destination should be a canonical name, not a file path.`)
+            this.error(`Reference sub-directories using the : character instead.`)
+            this.error(`Did you mean ${destinationName.replace(/\/|\\/g, ':')}?`)
+            process.exitCode = 1
+            return
+        }
+
+        const template = this.cli.getTemplate(templateName)
+        if ( !template ) {
+            throw new ErrorWithContext(`Unable to find template supposedly registered with name: ${templateName}`, {
+                templateName,
+                destinationName,
+            })
+        }
+
+        const name = destinationName.split(':').reverse()[0]
+        const path = this.app().path('..', 'src', 'app', ...template.baseAppPath, ...(`${destinationName}${template.fileSuffix}`).split(':'))
+
+        if ( await path.exists() ) {
+            this.error(`File already exists: ${path}`)
+            process.exitCode = 1
+            return
+        }
+
+        // Make sure the parent direction exists
+        await path.concat('..').mkdir()
+
+        const contents = await template.render(name, destinationName, path.clone())
+        await path.write(contents)
+
+        this.success(`Created new ${template.name} in ${path}`)
+    }
+}