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140 lines
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ReStructuredText
140 lines
5.0 KiB
ReStructuredText
Web Server Component
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====================
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.. seo::
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:description: Instructions for setting up a web server in ESPHome.
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:image: http.svg
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:keywords: web server, http, REST API
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The ``web_server`` component creates a simple web server on the node that can be accessed
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through any browser and a simple `REST API`_. Please note that enabling this component
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will take up *a lot* of memory and can lead to problems, especially on the ESP8266.
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To navigate to the web server in your browser, either use the IP address of the node or
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use ``<node_name>.local/`` (note the trailing forward slash) via mDNS.
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To conserve flash size, the CSS and JS files used on the root page to show a simple user
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interface are hosted by esphome.io. If you want to use your own service, use the
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``css_url`` and ``js_url`` options in your configuration.
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.. _REST API: /web-api/index.html
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.. figure:: /components/images/web_server.png
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Example web server frontend (Version 1)
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Version 2:
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----------
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.. figure:: /components/images/web_server-v2.png
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Web Components (Version 2)
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.. code-block:: yaml
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# Example configuration entry
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web_server:
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port: 80
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Configuration variables:
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------------------------
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- **port** (*Optional*, int): The port the web server should open its socket on.
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- **css_url** (*Optional*, url): The URL that should be used for the CSS stylesheet. Defaults
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to https://esphome.io/_static/webserver-v1.min.css (updates will go to ``v2``, ``v3``, etc). Can be set to empty string.
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- **css_include** (*Optional*, local file): Path to local file to be included in web server index page.
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Contents of this file will be served as ``/0.css`` and used as CSS stylesheet by internal webserver.
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Useful when building device without internet access, where you want to use built-in AP and webserver.
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- **js_url** (*Optional*, url): The URL that should be used for the JS script. Defaults
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to https://esphome.io/_static/webserver-v1.min.js. Can be set to empty string.
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- **js_include** (*Optional*, local file): Path to local file to be included in web server index page.
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Contents of this file will be served as ``/0.js`` and used as JS script by internal webserver.
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Useful when building device without internet access, where you want to use built-in AP and webserver.
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- **auth** (*Optional*): Enables basic authentication with username and password.
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- **username** (**Required**, string): The username to use for authentication.
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- **password** (**Required**, string): The password to check for authentication.
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- **include_internal** (*Optional*, boolean): Whether ``internal`` entities should be displayed on the
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web interface. Defaults to ``false``.
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- **ota** (*Optional*, boolean): Turn on or off the OTA feature inside webserver. Strongly not suggested without enabled authentication settings. Defaults to ``true``.
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- **id** (*Optional*, :ref:`config-id`): Manually specify the ID used for code generation.
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- **version** (*Optional*, string): ``1`` or ``2``. Version 1 displays as a table. Version 2 uses web components and has more functionality. Defaults to ``2``.
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.. note::
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Example web_server configuration using HTTP authentication:
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.. code-block:: yaml
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# Example configuration entry
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web_server:
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port: 80
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auth:
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username: admin
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password: !secret web_server_password
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Example web_server configuration using version 1 (previous behaviour):
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.. code-block:: yaml
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# Example configuration entry
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web_server:
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port: 80
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version: 1
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Example web_server configuration using version 2 - no internet/intranet required:
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.. code-block:: yaml
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# Example configuration entry
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web_server:
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local: true
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All of the assets are inlined, compressed and served from flash
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Here be Dragons
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===============
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The following assume copies of the files with local paths - which are config dependant.
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Example web_server version 1 configuration with CSS and JS included from esphome-docs.
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CSS and JS URL's are set to empty value, so no internet access is needed for this device to show it's web interface.
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Force to turn off OTA function because the missing authentication.
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.. code-block:: yaml
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# Example configuration entry V1
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web_server:
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port: 80
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ota: false
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css_include: "../../../esphome-docs/_static/webserver-v1.min.css"
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js_include: "../../../esphome-docs/_static/webserver-v1.min.js"
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js_url: ""
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Example web_server version 2 configuration with JS included from a local file.
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CSS and JS URL's are set to empty value, so no internet access is needed for this device to show it's web interface.
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V2 embeds the css within the js file so is not required, however you could include your own CSS.
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.. code-block:: yaml
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# Example configuration entry V2
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web_server:
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js_include: "./v2/www.js"
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js_url: ""
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version: 2
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Copy https://oi.esphome.io/v2/www.js to a V2 folder in your yaml folder.
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See Also
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--------
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- :apiref:`web_server/web_server.h`
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- :doc:`prometheus`
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- :ghedit:`Edit`
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