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Portal API

Contents

API to access functions related to rendering.

Usage

Add the following to your build.gradle file:

dependencies {
  include "com.enonic.xp:lib-portal:${xpVersion}"
}

Add the import statement to your controller:

import portalLib from '/lib/xp/portal';

You are now ready to use the API.

Functions

assetUrl

Generates URL to a static file.

Parameters

Name Type Description

params

object

Input parameters as JSON

Properties
Name Type Attributes Default Description

path

string

Path to the asset

application

string

<optional>

Other application to reference to. Defaults to current application

type

string

<optional>

server

URL type. Either server (server-relative URL) or absolute

params

object

<optional>

Custom parameters to append to the url

Returns

string : The generated URL.

Example

import {assetUrl} from '/lib/xp/portal';

const url = assetUrl({
  path: 'styles/main.css'
});

attachmentUrl

Generates URL to an attachment.

Parameters

Name Type Description

params

object

Input parameters as JSON

Properties
Name Type Attributes Default Description

id

string

<optional>

Id to the content holding the attachment.

path

string

<optional>

Path to the content holding the attachment.

name

string

<optional>

Name to the attachment.

label

string

<optional>

source

Label of the attachment.

download

boolean

<optional>

false

Set to true if the disposition header should be set to attachment.

type

string

<optional>

server

URL type. Either server (server-relative URL) or absolute.

params

object

<optional>

Custom parameters to append to the url.

Returns

string : The generated URL.

Example

Obtains list of active tasks:
import {attachmentUrl} from '/lib/xp/portal';

const url = attachmentUrl({
  id: '1234',
  download: true
});

componentUrl

Generates URL to a page component.

Parameters

Name Type Description

params

object

Input parameters as JSON

Properties
Name Type Attributes Default Description

id

string

<optional>

Id to the page.

path

string

<optional>

Path to the page.

component

string

<optional>

Path to the component. If not set, the current path is set.

type

string

<optional>

server

URL type. Either server (server-relative URL) or absolute.

params

object

<optional>

Custom parameters to append to the url.

Returns

string : The generated URL.

Example

Obtains list of active tasks:
import {componentUrl} from '/lib/xp/portal';

const url = componentUrl({
  component: 'main/0'
});
Return value:
const expected = 'ComponentUrlParams{type=server, params={}, component=main/0}'

getComponent

Returns component in the current execution context. It is meant to be called from a layout or a part controller.

Returns

object : The current component as JSON.

Example

Returns component in the current context:
import {getComponent} from '/lib/xp/portal';

const result = getComponent();
log.info('Current component name = %s', result.name);
Return value:
const expected = {
  path: "/main/0",
  type: "layout",
  descriptor: "myapplication:mylayout",
  config: {
    a: "1"
  },
  regions: {
    bottom: {
      components: [
        {
          path: "/main/0/bottom/0",
          type: "part",
          descriptor: "myapplication:mypart",
          config: {
            a: "1"
          }
        }
      ],
      name: "bottom"
    }
  }
};

getContent

Returns content in the current execution context. It is meant to be called from a page, a layout or a part controller.

Returns

object : The current content as JSON.

Example

Get content and log the result:
import {getContent} from '/lib/xp/portal';

const result = getContent();
log.info('Current content path = %s', result._path);
Return value:
const expected = {
  _id: "123456",
  _name: "mycontent",
  _path: "/a/b/mycontent",
  creator: "user:system:admin",
  modifier: "user:system:admin",
  createdTime: "1970-01-01T00:00:00Z",
  modifiedTime: "1970-01-01T00:00:00Z",
  type: "base:unstructured",
  displayName: "My Content",
  hasChildren: false,
  language: "en",
  valid: false,
  data: {
    a: "1"
  },
  x: {},
  page: {},
  attachments: {},
  publish: {}
};

getIdProviderKey

Returns the key of ID provider in the current execution context.

Returns

object : The current ID provider as JSON.

Example

Returns the current ID provider:
import {getIdProviderKey} from '/lib/xp/portal';

const idProviderKey = getIdProviderKey();

if (idProviderKey) {
    log.info('Id provider key: %s', idProviderKey);
}
Return value:
const expected = "myidprovider";

getMultipartForm

Returns a JSON containing multipart items. If not a multipart request, then this function returns undefined.

Returns

object : The multipart form items.

Example

Get the form and log the result:
import {getMultipartForm} from '/lib/xp/portal';

const result = getMultipartForm();
log.info('Multipart form %s', result);
Return value:
const expected = {
  item1: {
    name: "item1",
    fileName: "item1.jpg",
    contentType: "image/png",
    size: 10
  },
  item2: [
    {
      name: "item2",
      fileName: "image1.png",
      contentType: "image/png",
      size: 123
    },
    {
      name: "item2",
      fileName: "image2.jpg",
      contentType: "image/jpeg",
      size: 456
    }
  ]
};

getMultipartItem

Returns a JSON containing a named multipart item. If the item does not exist, it returns undefined.

Parameters

Name Type Attributes Description

name

string

Name of the multipart item

index

number

<optional>

Optional zero-based index. It should be specified if there are multiple items with the same name

Returns

object : The named multipart form item.

Example

Get item and log the result:
import {getMultipartItem} from '/lib/xp/portal';

const result = getMultipartItem('item1');
log.info('Multipart item %s', result);
Return value:
const expected = {
  name: "item1",
  fileName: "item1.jpg",
  contentType: "image/png",
  size: 10
};

getMultipartStream

Returns a data stream for a named multipart item.

Parameters

Name Type Attributes Description

name

string

Name of the multipart item

index

number

<optional>

Optional zero-based index. It should be specified if there are multiple items with the same name

Returns

object : Stream of multipart item data.

Example

import {getMultipartStream} from '/lib/xp/portal';

const stream1 = getMultipartStream('item2');
const stream2 = getMultipartStream('item2', 1);

getMultipartText

Returns the multipart item data as text.

Parameters

Name Type Attributes Description

name

string

Name of the multipart item

index

number

<optional>

Optional zero-based index. It should be specified if there are multiple items with the same name

Returns

string : Text for multipart item data.

Example

import {getMultipartText} from '/lib/xp/portal';

const text = getMultipartText('item1');

getSite

Returns the parent site of a content in the current execution context. It is meant to be called from a page, a layout or a part controller.

Returns

object : The current site as JSON.

Example

Get site and log the result:
import {getSite} from '/lib/xp/portal';

const result = getSite();
log.info('Current site name = %s', result._name);
Return value:
const expected = {
  _id: "100123",
  _name: "my-content",
  _path: "/my-content",
  type: "base:unstructured",
  hasChildren: false,
  valid: false,
  data: {
    siteConfig: {
      applicationKey: "myapplication",
      config: {
        Field: 42
      }
    }
  },
  x: {},
  page: {},
  attachments: {},
  publish: {}
};

getSiteConfig

Returns configuration of the parent site for a content in the current execution context. It is meant to be called from a page, a layout or a part controller.

Returns

object : The site configuration for current application as JSON.

Example

Get site and log the result:
import {getSiteConfig} from '/lib/xp/portal';

const result = getSiteConfig();
log.info('Field value for the current site config = %s', result.Field);
Return value:
const expected = {
  Field: 42
};

idProviderUrl

Generates URL to an ID provider.

Parameters

Name Type Attributes Description

params

object

<optional>

Input parameters as JSON

Properties
Name Type Attributes Default Description

idProvider

string

<optional>

Key of an ID provider. If idProvider is not set, then the id provider corresponding to the current execution context will be used.

contextPath

string

<optional>

vhost

Context path. Either vhost (using vhost target path) or relative to the current path.

type

string

<optional>

server

URL type. Either server (server-relative URL) or absolute.

params

object

<optional>

Custom parameters to append to the url.

Returns

string : The generated URL.

imagePlaceholder

Generates URL of an image placeholder with a specified size.

Parameters

Name Type Description

params

object

Input parameters as JSON

Properties
Name Type Description

width

number

Width of the image in pixels.

height

number

Height of the image in pixels.

Returns

string : Placeholder image URL.

Example

Obtains image encoded to base64:
import {imagePlaceholder} from '/lib/xp/portal';

const url = imagePlaceholder({
  width: 32,
  height: 24
});
Return value:
const expected = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAYCAYAAACbU/80AAAAGUlEQVR42u3BAQEAAACCIP+vbkhAAQAA7wYMGAAB93LuRQAAAABJRU5ErkJggg==';

imageUrl

Generates URL to an image.

Parameters

Name Type Description

params

object

Input parameters as JSON

Properties
Name Type Attributes Default Description

id

string

ID of the image content.

path

string

Path to the image. If id is specified, this parameter is not used.

scale

string

Required. Options are width(px), height(px), block(width, height) and square(px).

quality

number

<optional>

85

Quality for JPEG images, ranges from 0 (max compression) to 100 (min compression).

background

string

<optional>

Background color.

format

string

<optional>

Format of the image.

filter

string

<optional>

A number of filters are available to alter the image appearance, for example, blur(3), grayscale(), rounded(5), etc.

type

string

<optional>

server

URL type. Either server (server-relative URL) or absolute.

params

object

<optional>

Custom parameters to append to the url.

Returns

string : The generated URL.

Example

Obtains image url:
import {imageUrl} from '/lib/xp/portal';

const url = imageUrl({
  id: '1234',
  scale: 'block(1024,768)',
  filter: 'rounded(5);sharpen()'
});

loginUrl

Generates URL to the login endpoint of an ID provider.

Parameters

Name Type Attributes Description

params

object

<optional>

Input parameters as JSON

Properties
Name Type Attributes Default Description

idProvider

string

<optional>

Id provider key. If idProvider is not set, then the id provider corresponding to the current execution context will be used.

redirect

string

<optional>

The URL to redirect to after the login.

contextPath

string

<optional>

vhost

Context path. Either vhost (using vhost target path) or relative to the current path.

type

string

<optional>

server

URL type. Either server (server-relative URL) or absolute.

params

object

<optional>

Custom parameters to append to the url.

Returns

string : The generated URL.

logoutUrl

Generates URL to the logout endpoint of ID provider in the current context.

Parameters

Name Type Attributes Description

params

object

<optional>

Input parameters as JSON

Properties
Name Type Attributes Default Description

redirect

string

<optional>

The URL to redirect to after the logout.

contextPath

string

<optional>

vhost

Context path. Either vhost (using vhost target path) or relative to the current path.

type

string

<optional>

server

URL type. Either server (server-relative URL) or absolute.

params

object

<optional>

Custom parameters to append to the url.

Returns

string : The generated URL.

pageUrl

Generates URL to a content page.

Parameters

Name Type Description

params

object

Input parameters as JSON

Properties
Name Type Attributes Default Description

id

string

<optional>

Id of a content. If id is set, then path is not used.

path

string

<optional>

Path of a content. Relative paths are resolved based on the current context.

type

string

<optional>

server

URL type. Either server (server-relative URL) or absolute.

params

object

<optional>

Custom parameters to append to the url.

Returns

string : The generated URL.

Example

Obtains page url:
import {pageUrl} from '/lib/xp/portal';

const url = pageUrl({
  path: '/my/page',
  params: {
    a: 1,
    b: [1, 2]
  }
});

processHtml

Resolves internal links to images and internal content items contained in an HTML text and replaces them with correct URLs. It will also process embedded macros.

When outputting processed HTML in Thymeleaf, use attribute data-th-utext="${processedHtml}".

Parameters

Name Type Description

params

object

Input parameters as JSON

Properties
Name Type Attributes Default Description

value

string

Html value string to process.

type

string

<optional>

server

URL type. Either server (server-relative URL) or absolute.

XP XP 7.7.0 7.7.0 imageWidths

number[]

<optional>

A comma-separated list of image widths. If this parameter is provided, all <img> tags will have an additional srcset attribute with image URLs generated for specified widths.

XP XP 7.8.0 7.8.0 imageSizes

string

<optional>

Specifies the width for an image depending on browser dimensions. The value has the following format: (media-condition) width. Multiple sizes are comma-separated.

Returns

string : The processed HTML.

Example

Process HTML:
import {processHtml} from '/lib/xp/portal';

const html = processHtml({
  value: '<a href="content://123" target="">Content</a>' +
         '<a href="media://inline/123" target="">Inline</a>' +
         '<a href="media://download/123" target="">Download</a>' +
         '<img src="image://123"/>',
  imageWidths: [32, 480, 800]
});

sanitizeHtml

Sanitizes an HTML string by stripping all potentially unsafe tags and attributes.

HTML sanitization can be used to protect against cross-site scripting (XSS) attacks by sanitizing any HTML code submitted by a user.

Parameters

Name Type Description

html

string

HTML string value to process

Returns

string : The sanitized HTML.

Example

Sanitizes unsafe HTML:
import {sanitizeHtml} from '/lib/xp/portal';

const unsafeHtml = '<p><a href="https://example.com/" onclick="stealCookies()">Link</a></p>' +
                 '<iframe src="javascript:alert(\'XSS\');"></iframe>';
const sanitizedHtml = sanitizeHtml(unsafeHtml);
Return value:
const expected = '<p><a href="https://example.com/">Link</a></p>';

serviceUrl

Generates URL to a service.

Parameters

Name Type Description

params

object

Input parameters as JSON

Properties
Name Type Attributes Default Description

service

string

Name of the service.

application

string

<optional>

Other application to reference to. Default is current application.

type

string

<optional>

server

URL type. Either server (server-relative URL) or absolute or `websocket.

params

object

<optional>

Custom parameters to append to the url.

Returns

string : The generated URL.

Example

import {serviceUrl} from '/lib/xp/portal';

const url = serviceUrl({
  service: 'myservice',
  params: {
    a: 1,
    b: 2
  }
});

url

Generates URL to a resource.

Parameters

Name Type Description

params

object

Input parameters as JSON

Properties
Name Type Attributes Default Description

path

string

Path of the resource.

type

string

<optional>

server

URL type. Either server (server-relative URL) or absolute or websocket.

params

object

<optional>

Custom parameters to append to the url.

Returns

string : The generated URL.

Example

import {url as buildUrl} from '/lib/xp/portal';

const url = buildUrl({
  path: '/site/master/mysite',
  params: {
    a: 1,
    b: 2
  }
});

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