Check for Turtle as well as XML/RDF. Parse XML/RDF and look for licensing info. Click on revealed RDF to make it full height/width. Show traffic light icon depending on results of parsing.

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Browse code Check for Turtle as well as XML/RDF. Parse XML/RDF and look for licensing info. Click on revealed RDF to make it full height/width. Show traffic light icon depending on results of parsing. master
1 parent c1237e7 commit 217e4126ddacfba7e70f3bc62ba9407244580e57 Alex Tucker authored on 18 Jun 2014

Patch

Unified Split

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          18 ■■■■■
          background.js
               chrome.runtime.onMessage.addListener(
  function(request, sender, sendResponse) {
    console.log("Message from content: " + request);
    var messages = {
      'error': 'Error parsing RDF',
      'unlicensed': 'No machine readable licensing',
      'licensed': 'License declared'
    };
    chrome.pageAction.setTitle({
      tabId: sender.tab.id,
      title: messages[request.check]
    });
    var icon = {
      'error': 'red',
      'unlicensed': 'amber',
      'licensed': 'green'
    };
    chrome.pageAction.show(sender.tab.id);
    chrome.pageAction.setIcon({
      tabId: sender.tab.id,
      path: 'pageIcon-' + icon[request.check] + '.png'
    });
    sendResponse({text: "ok"});
  }
);
 chrome.runtime.onMessage.addListener(
   function(request, sender, sendResponse) {
     console.log("Message from content: " + request);
+    var messages = {
+      'error': 'Error parsing RDF',
+      'unlicensed': 'No machine readable licensing',
+      'licensed': 'License declared'
+    };
+    chrome.pageAction.setTitle({
+      tabId: sender.tab.id,
+      title: messages[request.check]
+    });
+    var icon = {
+      'error': 'red',
+      'unlicensed': 'amber',
+      'licensed': 'green'
+    };
     chrome.pageAction.show(sender.tab.id);
+    chrome.pageAction.setIcon({
+      tabId: sender.tab.id,
+      path: 'pageIcon-' + icon[request.check] + '.png'
+    });
     sendResponse({text: "ok"});
   }
 );

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          109 ■■■■■
          contentscript.js
               function peelBackRdf(data) {
function peelBackRdf(data, format) {
  $('body').prepend('<div id="target"><textarea id="code"></textarea></div>');
  $('#code').text(data);
  var cm = CodeMirror.fromTextArea($('#code')[0], {
    mode: "xml",
    readOnly: "nocursor"      
    mode: format,
    readOnly: "nocursor",
    viewportMargin: Infinity
  });
  $('#target').fold({
    directory: "chrome-extension://" + chrome.runtime.id
    directory: "chrome-extension://" + chrome.runtime.id,
    autoCurl: true
  });
  $('#turn_wrapper').click(
    function() {
      $('#turn_fold').hide();
      $('#turn_wrapper').width('100%').height('100%').off();
      $('#turn_object').width('100%').height('100%').off();
      $('#turn_hideme').width('100%').height('100%').off();
    }
  );
}
 
function checkRdf(data, format) {
  var parser = new DOMParser();
  doc = parser.parseFromString(data, 'text/xml');
  try {
    var rdf = $.rdf().load(doc);
    var licenses = rdf
      .prefix('cc', 'http://creativecommons.org/ns#')
      .where('?doc cc:license ?license');
    licenses = licenses.add(
      rdf
        .prefix('dct', 'http://purl.org/dc/terms/')
        .where('?doc dct:license ?license')
    );
    if (licenses.select().length > 0) {
      return 'licensed';
    } else {
      return 'unlicensed';
    }
  } catch (e) {
    console.log(e);
    return 'error';
  }
}
 
var res = document.evaluate("//link[(@rel = 'alternate') or (@rel = 'meta')]", document.head, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null)
 
var rdfUrl = null;
var rdfFormat = null;
var acceptFormats = ['application/rdf+xml', 'text/turtle'];
 
for (var i=0; i < res.snapshotLength; i++) {
  if (res.snapshotItem(i).type == "application/rdf+xml") {
    console.log("Found link rel=(alternate|meta) type=application/rdf+xml");
  if (acceptFormats.indexOf(res.snapshotItem(i).type) > -1) {
    rdfFormat = res.snapshotItem(i).type;
    rdfUrl = res.snapshotItem(i).href; // relative
    chrome.runtime.sendMessage({type: 'rdf+xml'}, function(response) {
      console.log(response.text);
    });
    break;
  }
}
 
if (rdfUrl == null) { // Try fetching current page as RDF
  $.ajax(document.URL, {
    accepts: { text: 'application/rdf+xml' },
    headers: {
      Accept: acceptFormats.join(', ')
    },
    dataType: 'text',
    success: function(data, textStatus, res) {
      var ct = res.getResponseHeader('Content-Type');
      if ((ct != null) && (ct.slice(0, 'application/rdf+xml'.length) == 'application/rdf+xml')) {
        chrome.runtime.sendMessage({type: 'rdf+xml'}, function(response) {
          console.log(response.text);
        });
        peelBackRdf(data);
      if (ct != null) {
        var format = null;
        for (var i = 0; i < acceptFormats.length; i++) {
          if (ct.slice(0, acceptFormats[i].length) == acceptFormats[i]) {
            format = acceptFormats[i];
            break;
          }
        }
        if (format != null) {
          peelBackRdf(data, format);
          chrome.runtime.sendMessage({
            type: format,
	    check: checkRdf(data, format)
          }, function(response) {
	    console.log(response.text);
          });
        }
      }
    }
  });
} else {
  $.ajax(rdfUrl, {
    accepts: { text: 'application/rdf+xml' },
    accepts: { text: rdfFormat },
    dataType: 'text',
    success: function(data, textStatus, res) {
      peelBackRdf(data);
      peelBackRdf(data, rdfFormat);
      chrome.runtime.sendMessage({
        type: format,
        check: checkRdf(data, rdfFormat)
      }, function(response) {
        console.log(response.text);
      });
    }
  });
}
+function peelBackRdf(data) {
+function peelBackRdf(data, format) {
   $('body').prepend('<div id="target"><textarea id="code"></textarea></div>');
   $('#code').text(data);
   var cm = CodeMirror.fromTextArea($('#code')[0], {
+    mode: "xml",
+    readOnly: "nocursor"
+    mode: format,
+    readOnly: "nocursor",
+    viewportMargin: Infinity
   });
   $('#target').fold({
+    directory: "chrome-extension://" + chrome.runtime.id
+    directory: "chrome-extension://" + chrome.runtime.id,
+    autoCurl: true
   });
+  $('#turn_wrapper').click(
+    function() {
+      $('#turn_fold').hide();
+      $('#turn_wrapper').width('100%').height('100%').off();
+      $('#turn_object').width('100%').height('100%').off();
+      $('#turn_hideme').width('100%').height('100%').off();
+    }
+  );
+}
+function checkRdf(data, format) {
+  var parser = new DOMParser();
+  doc = parser.parseFromString(data, 'text/xml');
+  try {
+    var rdf = $.rdf().load(doc);
+    var licenses = rdf
+      .prefix('cc', 'http://creativecommons.org/ns#')
+      .where('?doc cc:license ?license');
+    licenses = licenses.add(
+      rdf
+        .prefix('dct', 'http://purl.org/dc/terms/')
+        .where('?doc dct:license ?license')
+    );
+    if (licenses.select().length > 0) {
+      return 'licensed';
+    } else {
+      return 'unlicensed';
+    }
+  } catch (e) {
+    console.log(e);
+    return 'error';
+  }
 }
 var res = document.evaluate("//link[(@rel = 'alternate') or (@rel = 'meta')]", document.head, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null)
 var rdfUrl = null;
+var rdfFormat = null;
+var acceptFormats = ['application/rdf+xml', 'text/turtle'];
 for (var i=0; i < res.snapshotLength; i++) {
+  if (res.snapshotItem(i).type == "application/rdf+xml") {
+    console.log("Found link rel=(alternate|meta) type=application/rdf+xml");
+  if (acceptFormats.indexOf(res.snapshotItem(i).type) > -1) {
+    rdfFormat = res.snapshotItem(i).type;
     rdfUrl = res.snapshotItem(i).href; // relative
-    chrome.runtime.sendMessage({type: 'rdf+xml'}, function(response) {
-      console.log(response.text);
-    });
     break;
   }
 }
 if (rdfUrl == null) { // Try fetching current page as RDF
   $.ajax(document.URL, {
+    accepts: { text: 'application/rdf+xml' },
+    headers: {
+      Accept: acceptFormats.join(', ')
+    },
     dataType: 'text',
     success: function(data, textStatus, res) {
       var ct = res.getResponseHeader('Content-Type');
+      if ((ct != null) && (ct.slice(0, 'application/rdf+xml'.length) == 'application/rdf+xml')) {
+        chrome.runtime.sendMessage({type: 'rdf+xml'}, function(response) {
+          console.log(response.text);
+        });
+        peelBackRdf(data);
+      if (ct != null) {
+        var format = null;
+        for (var i = 0; i < acceptFormats.length; i++) {
+          if (ct.slice(0, acceptFormats[i].length) == acceptFormats[i]) {
+            format = acceptFormats[i];
+            break;
+          }
+        }
+        if (format != null) {
+          peelBackRdf(data, format);
+          chrome.runtime.sendMessage({
+            type: format,
+	    check: checkRdf(data, format)
+          }, function(response) {
+	    console.log(response.text);
+          });
+        }
       }
     }
   });
 } else {
   $.ajax(rdfUrl, {
+    accepts: { text: 'application/rdf+xml' },
+    accepts: { text: rdfFormat },
     dataType: 'text',
     success: function(data, textStatus, res) {
+      peelBackRdf(data);
+      peelBackRdf(data, rdfFormat);
+      chrome.runtime.sendMessage({
+        type: format,
+        check: checkRdf(data, rdfFormat)
+      }, function(response) {
+        console.log(response.text);
+      });
     }
   });
 }

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          9 ■■■■■
          custom.css
   box-shadow: none;
}
 
.CodeMirror {
  height: 800px;
  width: 800px;
  border: 1px solid #eee;
  height: auto;
}
 
.CodeMirror-scroll {
  overflow-y: hidden;
  overflow-x: auto;
}
   box-shadow: none;
 }
 .CodeMirror {
+  height: 800px;
+  width: 800px;
+  border: 1px solid #eee;
+  height: auto;
 }
+.CodeMirror-scroll {
+  overflow-y: hidden;
+  overflow-x: auto;
+}

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          153 ■■■■■
          fold.svg
        
        
        
          0 → 100644
               <?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!-- Created with Inkscape (http://www.inkscape.org/) -->
 
<svg
   xmlns:dc="http://purl.org/dc/elements/1.1/"
   xmlns:cc="http://creativecommons.org/ns#"
   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
   xmlns:svg="http://www.w3.org/2000/svg"
   xmlns="http://www.w3.org/2000/svg"
   xmlns:xlink="http://www.w3.org/1999/xlink"
   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
   width="600"
   height="600"
   id="svg4355"
   version="1.1"
   inkscape:version="0.48.4 r9939"
   sodipodi:docname="fold.svg"
   inkscape:export-filename="/home/alex/Development/res-check/fold.png"
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    <linearGradient
       id="linearGradient5017">
      <stop
         id="stop5019"
         offset="0"
         style="stop-color:#000000;stop-opacity:0.33333334;" />
      <stop
         id="stop5021"
         offset="1"
         style="stop-color:#000000;stop-opacity:0;" />
    </linearGradient>
    <linearGradient
       id="linearGradient5005">
      <stop
         style="stop-color:#000000;stop-opacity:0.33333334;"
         offset="0"
         id="stop5007" />
      <stop
         style="stop-color:#000000;stop-opacity:0;"
         offset="1"
         id="stop5009" />
    </linearGradient>
    <linearGradient
       id="linearGradient4901">
      <stop
         style="stop-color:#ffffff;stop-opacity:1;"
         offset="0"
         id="stop4903" />
      <stop
         style="stop-color:#000000;stop-opacity:1;"
         offset="1"
         id="stop4905" />
    </linearGradient>
    <linearGradient
       inkscape:collect="always"
       xlink:href="#linearGradient4901"
       id="linearGradient4907"
       x1="342.57367"
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       x="-0.015632253"
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       height="1.3170843">
      <feGaussianBlur
         inkscape:collect="always"
         stdDeviation="3.2513557"
         id="feGaussianBlur5041" />
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  </defs>
  <sodipodi:namedview
     id="base"
     pagecolor="#ffffff"
     bordercolor="#666666"
     borderopacity="1.0"
     inkscape:pageopacity="0.0"
     inkscape:pageshadow="2"
     inkscape:zoom="0.75417998"
     inkscape:cx="106.20105"
     inkscape:cy="349.43014"
     inkscape:document-units="px"
     inkscape:current-layer="layer1"
     showgrid="true"
     inkscape:snap-global="false"
     inkscape:window-width="1440"
     inkscape:window-height="853"
     inkscape:window-x="-2"
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    <inkscape:grid
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       visible="true"
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  <metadata
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    <rdf:RDF>
      <cc:Work
         rdf:about="">
        <dc:format>image/svg+xml</dc:format>
        <dc:type
           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
        <dc:title></dc:title>
      </cc:Work>
    </rdf:RDF>
  </metadata>
  <g
     inkscape:label="Layer 1"
     inkscape:groupmode="layer"
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    <path
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  </g>
</svg>
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="600"
+   height="600"
+   id="svg4355"
+   version="1.1"
+   inkscape:version="0.48.4 r9939"
+   sodipodi:docname="fold.svg"
+   inkscape:export-filename="/home/alex/Development/res-check/fold.png"
+   inkscape:export-xdpi="90"
+   inkscape:export-ydpi="90">
+  <defs
+     id="defs4357">
+    <linearGradient
+       id="linearGradient5017">
+      <stop
+         id="stop5019"
+         offset="0"
+         style="stop-color:#000000;stop-opacity:0.33333334;" />
+      <stop
+         id="stop5021"
+         offset="1"
+         style="stop-color:#000000;stop-opacity:0;" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient5005">
+      <stop
+         style="stop-color:#000000;stop-opacity:0.33333334;"
+         offset="0"
+         id="stop5007" />
+      <stop
+         style="stop-color:#000000;stop-opacity:0;"
+         offset="1"
+         id="stop5009" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient4901">
+      <stop
+         style="stop-color:#ffffff;stop-opacity:1;"
+         offset="0"
+         id="stop4903" />
+      <stop
+         style="stop-color:#000000;stop-opacity:1;"
+         offset="1"
+         id="stop4905" />
+    </linearGradient>
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient4901"
+       id="linearGradient4907"
+       x1="342.57367"
+       y1="356.22702"
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+       gradientUnits="userSpaceOnUse" />
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+       inkscape:collect="always"
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+       id="linearGradient5015"
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+       inkscape:collect="always"
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+      <feGaussianBlur
+         inkscape:collect="always"
+         stdDeviation="3.2513557"
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+    </filter>
+  </defs>
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="0.75417998"
+     inkscape:cx="106.20105"
+     inkscape:cy="349.43014"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     showgrid="true"
+     inkscape:snap-global="false"
+     inkscape:window-width="1440"
+     inkscape:window-height="853"
+     inkscape:window-x="-2"
+     inkscape:window-y="-3"
+     inkscape:window-maximized="1">
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+       type="xygrid"
+       id="grid4365"
+       empspacing="5"
+       visible="true"
+       enabled="true"
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+  </sodipodi:namedview>
+  <metadata
+     id="metadata4360">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(0,-452.36218)">
+    <path
+       style="fill:url(#linearGradient4907);fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+       d="M 550.36157,549.37048 50.629514,550.30807 C -0.93758381,551.24565 1.8751672,599.06242 1.8751672,599.06242 0,579.37316 15.001338,562.49666 15.001338,562.49666 L 561.61258,20.573334 c 0,0 13.12617,-18.7516722 38.44093,-19.68925556 0,0 -48.75436,0.93758326 -48.75436,59.06776656 z"
+       id="path4899"
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+       id="path4928-6"
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