ex_opentok

A Wrapper of Open Tok (Tokbox) API for elixir.

OpenTok Elixir SDK

The OpenTok Elixir SDK lets you generate sessions and tokens for OpenTok applications, and archive OpenTok sessions.

Installation

Hex

If available in Hex, the package can be installed by adding ex_opentok to your list of dependencies in mix.exs:

def deps do
  [{:ex_opentok, "~> 0.1.0"}]
end

Documentation can be generated with ExDoc and published on HexDocs. Once published, the docs can be found at https://hexdocs.pm/ex_opentok. Allow bundler to install the change.

$ mix deps.get

Usage

Initializing

Add a config setting in your config.ex with your OpenTok API key and API secret.

config :ex_opentok,
  iss: "project",
  key: System.get_env("OPENTOKSDK_KEY"),
  secret: System.get_env("OPENTOKSDK_SECRET"),
  ttl: 300

Creating Sessions

To create an OpenTok Session, use the Opentok.init() or ExOpentok.Session.create()
functions. A map is returned with every informations which could be usefulls (like sessionId) that can be saved to a persistent store (e.g. database).

iex(1)> ExOpentok.init()

%{:api_key => "01234567",
  :token => "T1==cGFydG5lcl9pZD00NTgxMTExMiZzaWc9OUVBOTIyQjlFQzM0NUIxNkI3NcGFydG5lcl9pZD00NTgxMTExMiZzaWc9OUVBOTIyQjlFQzM0NUIxNkI3NcGFydG5lcl9pZD00NTgxMTExMiZzaWc9OUVBOTIyQjlFQzM0NUIxNkI3NcGFydG5lcl9pZD00NTgxMTExMiZzaWc9OUVBOTIyQjlFQzM0NUIxNkI3N==",
  "create_dt" => "Tue Apr 11 08:56:40 PDT 2017",
  "ice_credential_expiration" => 86100, "ice_server" => nil,
  "ice_servers" => nil, "media_server_hostname" => nil,
  "media_server_url" => "", "messaging_server_url" => nil,
  "messaging_url" => nil, "partner_id" => "01234567",
  "project_id" => "01234567", "properties" => nil,
  "session_id" => "1_MX40MX40NTgxMMX40NTgxMMX40NTgxMMX40NTgxMMX40NTgxMMX40NTg",
  "session_status" => nil, "status_invalid" => nil, "symphony_address" => nil}

Generating Tokens

Once a Session is created, you can start generating Tokens for clients to use when connecting to it. You can generate a token either by calling the ExOpentok.Token.generate(session_id).

# Generate a Token from just a session_id (fetched from a database)
token = ExOpentok.Token.generate(session_id)

Working with Archives

You can start the recording of an OpenTok Session using the ExOpentok.Archive.start(session_id) method. This will return an OpenTok::Archive instance.

# Create an Archive
archive = ExOpentok.Archive.start(session_id)

You can stop the recording of a started Archive using the ExOpentok.Archive.stop(archive_id) method.

# Stop an Archive from an archive_id (fetched from database)
opentok.archives.stop(archive_id)

To get an ExOpentok.Archive map (and all the information about it) from an archive_id, use the ExOpentok.Archive.find(archive_id) method.

  iex(1)> ExOpentok.Archive.find(archive_id)

  %{"createdAt" => 1491682306000, "duration" => 21, "hasAudio" => true,
    "hasVideo" => true, "id" => "5c48fb135c48fb13e581d8ed5c48fb13",
    "name" => "Elixir Archiving Sample App", "outputMode" => "composed",
    "partnerId" => 123456789, "password" => "", "projectId" => 123456789,
    "reason" => "user initiated",
    "sessionId" => "1_5c48fb135c48fb135c48fb135c48fb135c48fb135c48fb135c48fb13-fg",
    "sha256sum" => "97+WlyjwonBOTK7FwonBOTK7FwonBOTK7FwonBOTK7Fw=",
    "size" => 1742751, "status" => "expired", "updatedAt" => 1491943883000,
    "url" => nil}

To delete an Archive, you can call the ExOpentok.Archive.delete(archive_id) method.

# Delete an Archive from an archive_id (fetched from database)
  iex(1)> ExOpentok.Archive.delete(archive_id)

You can also get a list of all the Archives you've created (up to 1000) with your API Key. This is done using the ExOpentok.Archive.list() function. Parameters %{offset: 0, count: 1000} is an optional map used to specify an :offset and :count to help you paginate through the results.

  iex(1)> ExOpentok.Archive.list()

  # or

  iex(1)> ExOpentok.Archive.list(%{offset: 0, count: 1000})

  %{"count" => 1,
    "items" => [%{"createdAt" => 1491682306000, "duration" => 21,
       "hasAudio" => true, "hasVideo" => true,
       "id" => "5c48fb13-f5c48fb13-5c48fb13",
       "name" => "Ruby Archiving Sample App", "outputMode" => "composed",
       "partnerId" => 45811112, "password" => "", "projectId" => 45811112,
       "reason" => "user initiated",
       "sessionId" => "1_5c48fb135c48fb135c48fb135c48fb135c48fb135c48fb13-fg",
       "sha256sum" => "97+5c48fb135c48fb135c48fb135c48fb135c48fb13=",
       "size" => 1742751, "status" => "expired", "updatedAt" => 1491943883000,
       "url" => nil}]

For more information on archiving, see the OpenTok archiving programming guide.

Documentation

Reference documentation for API Rest is available at https://tokbox.com/developer/rest/.

Requirements

You need an OpenTok API key and API secret, which you can obtain at https://dashboard.tokbox.com.

The ExOpenTok requires Elixir 1.2.

Release Notes

See the Releases page for details about each release.

Support

See https://support.tokbox.com for all our support options.

Find a bug? File it on the Issues page. Hint: test cases are really helpful!