Webhooks features 2.0

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Web Hooks Features:

• Adapted to work with bbb-2.0
• Map internal bbb messages to external messages to easily build an API to receive events;
• Permanent hook: Can't be deleted via API; Won't expire even if callback fails for a long time; URL defined in configs; Global; Receive either raw¹ or mapped² messages (configurable);
• Send up to X (configurable) messages on a single request (when they are simultaneously at the same queue);
• Limit queue to a defined size;
• Add new parameter to hooks/create: "getRaw=true/false" allowing hooks to receive raw messages instead of mapped ones;
• Each hook has it's own event queue and emit events asynchronously;
• Map userID;
• Update packages;
• Convert to JS ES6;
• "auth2_0" (configurable : true = use this method, false = use checksum method): Send data as a JSON with a bearer authorization (which is the shared secret), to the defined callbackURL, without the checksum.

The "config.js" file is initially set in a way it'll not use the features until properly configured, to allow compatibility, which means created hooks will get:

• Raw messages;
• Only 1 message per POST;
• Use checksum auth.

¹ - a message in the exact format sent by BBB. ² - few preset messages that are mapped to a different format, available at: http://docs.mconf.org/apis/webhooks-api/ .

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Will be sent to https://github.com/mconftec/bigbluebutton/tree/html5-development.