MikeCoder / MJsonViewer

// Copyright © 2017 TangDongxin

//

// Permission is hereby granted, free of charge, to any person obtaining

// A copy of this software and associated documentation files (the "Software"),

// To deal in the Software without restriction, including without limitation

// The rights to use, copy, modify, merge, publish, distribute, sublicense,

// And/or sell copies of the Software, and to permit persons to whom the

// Software is furnished to do so, subject to the following conditions:

//

// The above copyright notice and this permission notice shall be included

// In all copies or substantial portions of the Software.

//

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES

// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.

// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,

// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,

// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE

// OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

// ////////////////////////////////////////////////////////////////////////////////////}}}

// ===========================================

// JSON HEADER REWRITE

// ===========================================

let strictOnly;

let isDebug;

function findJsonMimeType (header) {

  if (strictOnly) {

    if (isDebug) {

    }

    return false;

  }

  if (header.name === undefined) {

    return false;

  }

  return header.name.toLowerCase() === 'content-type' && header.value.includes('json');

}

function addJsonHandler (request) {

  return new Promise((resolve) => {

    if (request.responseHeaders.find(findJsonMimeType)) {

      const jsonHeader = {

        'name': 'Content-Type',

        'value': 'application/json',

      };

      request.responseHeaders.push(jsonHeader);

    }

    resolve({

      'responseHeaders': request.responseHeaders,

    });

  });

}

function onConfig (result) {

  if (!result) {

    strictOnly = false;

    isDebug = false;

  }

  if (result && result[0]) {

    strictOnly = result[0].strictOnly || false;

    isDebug = result[0].isDebug || false;

  } else {

    strictOnly = result.strictOnly || false;

    isDebug = result.isDebug || false;

  }

}

function onRecv () {

    addJsonHandler, {

      'urls': ['<all_urls>', ],

    }, [

      'blocking',

      'responseHeaders',

    ]

  );

}

  if (areaName != 'local') {

    return;

  }

  isDebug = changes.isDebug.newValue;

  strictOnly = changes.strictOnly.newValue;

});

const getting = browser.storage.local.get();

getting.then(onConfig, onError).then(onRecv, onError);