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    Micropub Express

    Build Status Coverage Status Dependency Status

    Provides a Micropub route for Express 4.x


    Requires io.js or Node 0.12


    npm install micropub-express --save

    Current status

    Early alpha


    • Creation of content based items and creation of likes

    The rest of the CRUD-operations + other more complex operations are yet to be built and the API might change to adopt to the requirements of those. Versioning will stick to Semantic Versioning to clearly communicate such breaking changes.


    var micropub = require('micropub-express');
    // Attach the micropub endpoint to "/micropub" or wherever else you want 
    app.use('/micropub', micropub({
      // Specify what endpoint you want to verify a token with and what the expected identity returned is 
      tokenReference: {
        me: '',
        endpoint: '',
      // And lastly: Do something with the created micropub document 
      handler: function (micropubDocument, req) {
        // Do something with the micropubDocument and return a Promise to communicate status of the handling 
        return Promise.resolve().then(function () {
          return { url: '' };

    Advanced Usage

    var express = require('express');
    var micropub = require('micropub-express');
    var app = express();
    // Do some Express magic to support multiple Micropub endpoints in the same application 
    app.param('targetsite', function (req, res, next, id) {
      // Resolve a token reference from the "targetsite" id and return 404 if you find no match 
      if (id === '') {
        req.targetsite = {
          me: '',
          endpoint: '',
      } else {
    app.use('/micropub/:targetsite', micropub({
      logger: logger,          // a logger object that uses the same API as the bunyan module 
      userAgent: 'my-app/1.0', // a user-agent that will be prepended to the module's own user-agent to indicate 
                               // to IndieAuth endpoints who it is that makes the verification requests 
      tokenReference: function (req) {
        // Find the token reference we added to the request object before and return it 
        return req.targetsite;
      // And lastly: Do something with the created micropub document 
      handler: function (micropubDocument, req) {
        // Do something with the micropubDocument and return a Promise to communicate status of the handling 
        return Promise.resolve().then(function () {
          return { url: '' };
    // Start the Express server on a port, like port 3000! 


    • tokenReferencerequired – either an object with two keys, me and endpoint, or a function that receives the request object and returns an object with those two keys. The me key signify what identity it is that's expected for a succesful authorization and the endpoint key indicates what endpoint the token should be verified with. Can also be or return an array of multiple references.
    • handlerrequired – the function that will be called with the handled micropub document and the request object. It's this functions responsibility to actually act on the received data and do something with it. Should return a Promise resolving to an object with a url key containing the url of the created item to indicate success. If the Promise is rejected or the url key is missing or falsy in the resolved Promise, then a 400 error will be returned to indicate failure.
    • userAgentrecommended – a user-agent string like your-app-name/1.2.3 ( that gets prepended to the user-agent of micropub-express itself when verifying received tokens against an endpoint
    • queryHandleroptional – a function that will be called whenever a ?q= query is made to the Micropub endpoint. It's this functions responsibility to execute the query and respond with the relevant data. Should return a Promise resolving to an object containing the query result. Keys on the object should not include any [], those will be added in the encoded result where relevant. If the Promise resolves to something falsy, then a 400 error will be returned to indicate that the query type is unsupported. If the Promise is rejected, then a 400 error will be returned to indicate failure.
    • loggeroptional – a bunyan compatible logger, like bunyan itself or some other module. Defaults to bunyan-duckling which logs with console.log() and console.error()

    Format of micropubDocument

    The format closely matches the JSON-representation of Micropub.

    It contains three top level keys:

    • type – an array containing the type that is that's going to be created. Eg. ['h-entry']
    • properties – an object containing all of the microformat properties of the document as arrays containing strings. Eg. content: ['foobar']
    • mp – an object containing all of the micropub directives as arrays containing string. Eg. 'syndicate-to': [''] for an 'mp-syndicate-to' directive.
    • files – an object that can contain three keys, audio, video, photo, which in turn contains arrays of objects with a filename and a buffer key with the name and content of the files.

    Full example:

      type: ['h-entry'],
      properties: {
        content: ['hello world'],
      mp: {
        'syndicate-to': [''],
      files: {
        photo: [
            filename: 'example.jpg',
            buffer: new Buffer() // A Node.js buffer with the content of the file. 

    Other useful modules

    • format-microformat – a module that takes a micropubDocument as its input and then formats filenames, URL:s and file content from that data so one gets some standard data which one then can publish elsewhere – like to a Jekyll blog or something.
    • github-publish – a module that takes a filename and content and publishes that to a GitHub repository. A useful place to send the formatted data that comes out of format-microformat if one wants to add it to a GitHub hosted Jekyll blog of some kind, like eg. GitHub Pages.




    npm i micropub-express

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