docs: migrate loopback-example-passport repo as lb4 example

examples/passport-facebook/.dockerignore

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+node_modules
+npm-debug.log
+/dist
+# Cache used by TypeScript's incremental build
+*.tsbuildinfo

examples/passport-facebook/.eslintignore

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+node_modules/
+dist/
+coverage/

examples/passport-facebook/.eslintrc.js

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+module.exports = {
+  extends: '@loopback/eslint-config',
+};

examples/passport-facebook/.gitignore

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+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (http://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Typescript v1 declaration files
+typings/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+
+# Transpiled JavaScript files from Typescript
+/dist
+
+# Cache used by TypeScript's incremental build
+*.tsbuildinfo

examples/passport-facebook/.mocharc.json

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+{
+  "recursive": true,
+  "require": "source-map-support/register"
+}

examples/passport-facebook/.npmrc

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+package-lock=true

examples/passport-facebook/.prettierignore

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+dist
+*.json

examples/passport-facebook/.prettierrc

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+{
+  "bracketSpacing": false,
+  "singleQuote": true,
+  "printWidth": 80,
+  "trailingComma": "all"
+}

examples/passport-facebook/client/app.js

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+// Copyright IBM Corp. 2014,2015. All Rights Reserved.
+// Node module: loopback-example-passport
+// This file is licensed under the MIT License.
+// License text available at https://opensource.org/licenses/MIT
+
+'use strict';
+
+const express = require('express');
+const path = require('path');
+const ensureLoggedIn = require('connect-ensure-login').ensureLoggedIn;
+
+const app = (module.exports = express());
+
+app.set('views', path.join(__dirname, 'views'));
+app.set('view engine', 'jade');
+
+app.get('/', function(req, res, next) {
+  res.render('pages/index', {user: req.user, url: req.url});
+});
+
+app.get('/auth/account', ensureLoggedIn('/login'), function(req, res, next) {
+  res.render('pages/loginProfiles', {
+    user: req.user,
+    url: req.url,
+  });
+});
+
+app.get('/local', function(req, res, next) {
+  res.render('pages/local', {
+    user: req.user,
+    url: req.url,
+  });
+});
+
+app.get('/ldap', function(req, res, next) {
+  res.render('pages/ldap', {
+    user: req.user,
+    url: req.url,
+  });
+});
+
+app.get('/signup', function(req, res, next) {
+  res.render('pages/signup', {
+    user: req.user,
+    url: req.url,
+  });
+});
+
+app.get('/login', function(req, res, next) {
+  res.render('pages/login', {
+    user: req.user,
+    url: req.url,
+  });
+});

examples/passport-facebook/client/views/layouts/layout.jade

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+doctype html
+html(lang="en")
+  include ../partials/head
+  body(style="padding-top: 70px; padding-bottom: 50px;")
+    include ../partials/navigation
+    include ../partials/banner
+    include ../partials/footer
+    block scripts

examples/passport-facebook/client/views/pages/index.jade

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+extends ../layouts/layout
+
+block content
+  .jumbotron
+    h1 Passport Authentication Example
+    h2 From 
+      img(src="data:image/png;base64,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", alt="StrongLoop", width=190)
+    p
+      a.btn.btn-lg.btn-primary(href='http://docs.strongloop.com/display/public/LB/LoopBack#getting-started', role='button') View LoopBack docs »
+
+  .row
+    .col-md-12
+      h1 Sample Functionality
+      p.lead In this sample application you can:
+      ul
+        li
+          a(href='/signup') Signup for a local account
+        li
+          a(href='/login') Login to your account using either a local account or social accounts

examples/passport-facebook/client/views/pages/ldap.jade

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+extends ../layouts/layout
+
+block content
+  .row
+    .col-md-6.col-md-offset-3
+      form(role='form', action='/auth/ldap', method='post')
+        .form-group
+          label(for='username') Your username
+          input#username.form-control(type='text', name='username', placeholder='Enter username')
+        .form-group
+          label(for='password') Password
+          input#password.form-control(type='password', name='password', placeholder='Password')
+        button.btn.btn-default(type='submit') Submit
+      br
+      if (messages.error)
+        p
+          span(style="color:red")= messages.error

examples/passport-facebook/client/views/pages/local.jade

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+extends ../layouts/layout
+
+block content
+  .row
+    .col-md-6.col-md-offset-3
+      form(role='form', action='/auth/local', method='post')
+        .form-group
+          label(for='username') Your username
+          input#username.form-control(type='text', name='username', placeholder='Enter username')
+        .form-group
+          label(for='password') Password
+          input#password.form-control(type='password', name='password', placeholder='Password')
+        button.btn.btn-default(type='submit') Submit
+      br
+      if (messages.error)
+        p
+          span(style="color:red")= messages.error

examples/passport-facebook/client/views/pages/login.jade

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+extends ../layouts/layout
+
+block content
+  .row
+    .col-md-12
+      h1 Login:
+      ul.list-inline.list-unstyled
+        li
+          a.btn.btn-primary(href='/local') Login with local account
+        li
+          a.btn.btn-primary(href='/ldap') Login with ldap account
+        li
+          a.btn.btn-primary(href="/auth/facebook") Login with Facebook
+        li
+          a.btn.btn-primary(href="/auth/google") Login with Google
+        li
+          a.btn.btn-primary(href="/auth/twitter") Login with Twitter
+      br
+      if (messages.error)
+        p
+          span(style="color:red")= messages.error

examples/passport-facebook/client/views/pages/loginProfiles.jade

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+extends ../layouts/layout
+
+block content
+  h2 Third Party Profile(s)
+  p.small
+    if user.profiles.length !== 0
+      each val in user.profiles
+        h4= val.provider + ':'
+        p.small= JSON.stringify(val)
+    else
+      | NONE
+  h2 Linked Account(s)
+  ul.list-inline.list-unstyled
+    li
+      a.btn.btn-primary(href="/link/facebook") Link Facebook
+    li
+      a.btn.btn-primary(href="/link/google") Link Google
+  p.small
+    if user.accounts.length !== 0
+      each val in user.accounts
+        h4= val.provider + ':'
+        p.small= JSON.stringify(val)
+    else
+      | NONE

examples/passport-facebook/client/views/pages/signup.jade

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+extends ../layouts/layout
+
+block content
+  .row
+    .col-md-6.col-md-offset-3
+      if user && user.username
+        h1 User Logged in!
+        h3 Hello #{user.username}
+        ul
+          li
+            a(href='/') Home
+          li
+            a(href='/auth/logout') Log Out
+
+      //- form#newuser(role='form', action='/api/users', method='post')
+      form(role='form', action='/signup', method='post')
+        .form-group
+          label(for='username') Your Name
+          input.form-control(type='text', name='username', placeholder='Enter your name')
+        .form-group
+          label(for='email') Your Email address
+          input.form-control(type='email', name='email', placeholder='Enter your email address')
+        .form-group
+          label(for='password') Your Password
+          input.form-control(type='password', name='password', placeholder='Password')
+        button.btn.btn-default(type='submit') Submit
+      br
+      if (messages.error)
+        p
+          span(style="color:red")= messages.error

examples/passport-facebook/client/views/partials/banner.jade

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+.container
+  if user && user.username
+    .row
+      .col-md-12
+        .well
+          h1 User Logged in!
+          h3 Hello: #{user.username}
+          p.small User Id: #{user.id}
+          p.small Email: #{user.email}
+  block content

examples/passport-facebook/client/views/partials/footer.jade

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+hr(style="margin-top: 50px;")
+.footer(style="text-align: center;")
+  p
+    | Copyright © 
+    script.
+      var d = new Date();
+      document.write(d.getFullYear());
+    |  StrongLoop, Inc., All Rights Reserved. 
+    a(href='/status') Server Status.
+
+//- Load Scripts
+script(src='//ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js')
+script(src='//maxcdn.bootstrapcdn.com/bootstrap/3.3.1/js/bootstrap.min.js')

examples/passport-facebook/client/views/partials/head.jade

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+head
+  //- Behavioral Meta Data
+  meta(charset='utf-8')
+  meta(name='x-csrf-token', content=_csrf)
+  meta(http-equiv='X-UA-Compatible', content='IE=edge')
+  meta(name='viewport', content='width=device-width, initial-scale=1.0')
+
+  //- SEO Meta Data
+  title LoopBack API Server
+  meta(name='author', content='')
+  meta(name='description', content='')
+  meta(name='keywords', content='')
+
+  //- Styles
+  link(rel='stylesheet', href='//maxcdn.bootstrapcdn.com/bootstrap/3.3.1/css/bootstrap.min.css')
+  style.
+    .navbar-brand {
+      background-image: url(http://loopback.io/images/loopback.svg);
+      background-repeat: no-repeat;
+      background-size: 40px;
+      background-position: left center;
+      padding-left: 45px;
+      margin-top: -1px;
+      margin-left: 15px;
+      font-size: 22px;
+      color: #07582B !important;
+    }
+    h2 {
+      color: #07582B;
+    }

examples/passport-facebook/client/views/partials/navigation.jade

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+nav.navbar.navbar-default.navbar-fixed-top(role='navigation')
+  .container
+    .navbar-header
+      button.navbar-toggle.collapsed(type='button', data-toggle='collapse', data-target='#navbar', aria-expanded='false', aria-controls='navbar')
+        span.sr-only Toggle navigation
+        span.icon-bar
+        span.icon-bar
+        span.icon-bar
+      a.navbar-brand(href='/') LoopBack
+    #navbar.navbar-collapse.collapse
+      if user
+        //- User *is* logged In
+        ul.nav.navbar-nav.navbar-right
+          li
+            a(href='/explorer') API Explorer
+          li(class=url=='/auth/account'?'active':undefined)
+            a(href='/auth/account') View Account
+          li
+            a(href='/auth/logout') Log Out
+      else
+        //- User is *not* Logged In
+        ul.nav.navbar-nav.navbar-right
+          li(class=url=='/'?'active':undefined)
+            a(href='/') Home
+          li
+            a(href='/explorer') API Explorer
+          li(class=url=='/login'?'active':undefined)
+            a(href='/login') Log in
+          li(class=url=='/signup'?'active':undefined)
+            a(href='/signup') Sign Up