cors proxy

README.md

@@ -37,7 +37,7 @@ Or you can grab copies of `tesseract.js` and `worker.js` from the [dist folder](
 window.Tesseract = Tesseract.create({
     workerPath: '/path/to/worker.js',
     langPath: 'https://cdn.rawgit.com/naptha/tessdata/gh-pages/3.02/',
-    tesseractPath: 'https://cdn.rawgit.com/naptha/tesseract.js-core/0.1.0/index.js',
+    corePath: 'https://cdn.rawgit.com/naptha/tesseract.js-core/0.1.0/index.js',
 })
 </script>
 ```

dist/tesseract.js

@@ -271,7 +271,7 @@ process.umask = function() { return 0; };
 
 var defaultOptions = {
     workerPath: 'https://cdn.rawgit.com/naptha/tesseract.js/0.1.3/dist/worker.js',
-    tesseractPath: 'https://cdn.rawgit.com/naptha/tesseract.js-core/0.1.0/index.js',
+    corePath: 'https://cdn.rawgit.com/naptha/tesseract.js-core/0.1.0/index.js',
     langPath: 'https://cdn.rawgit.com/naptha/tessdata/gh-pages/3.02/'
 };
 
@@ -328,6 +328,12 @@ function loadImage(image, cb) {
             xhr.onload = function (e) {
                 return loadImage(xhr.response, cb);
             };
+            xhr.onerror = function (e) {
+                if (/^https?:\/\//.test(image) && !/^https:\/\/crossorigin.me/.test(image)) {
+                    console.debug('Attempting to load image with CORS proxy');
+                    loadImage('https://crossorigin.me/' + image, cb);
+                }
+            };
             xhr.send(null);
             return;
         }

dist/worker.js

@@ -11944,7 +11944,7 @@ global.addEventListener('message', function (e) {
 exports.getCore = function (req, res) {
     if (!global.TesseractCore) {
         res.progress({ status: 'loading tesseract core' });
-        importScripts(req.workerOptions.tesseractPath);
+        importScripts(req.workerOptions.corePath);
         res.progress({ status: 'loaded tesseract core' });
     }
     return TesseractCore;

src/browser/index.js

@@ -1,6 +1,6 @@
 var defaultOptions = {
     workerPath: 'https://cdn.rawgit.com/naptha/tesseract.js/0.1.3/dist/worker.js',
-    tesseractPath: 'https://cdn.rawgit.com/naptha/tesseract.js-core/0.1.0/index.js',    
+    corePath: 'https://cdn.rawgit.com/naptha/tesseract.js-core/0.1.0/index.js',    
     langPath: 'https://cdn.rawgit.com/naptha/tessdata/gh-pages/3.02/',
 }
 
@@ -56,6 +56,12 @@ function loadImage(image, cb){
             xhr.open('GET', image, true)
             xhr.responseType = "blob";
             xhr.onload = e => loadImage(xhr.response, cb);
+            xhr.onerror = function(e){
+                if(/^https?:\/\//.test(image) && !/^https:\/\/crossorigin.me/.test(image)){
+                    console.debug('Attempting to load image with CORS proxy')
+                    loadImage('https://crossorigin.me/' + image, cb)
+                }
+            }
             xhr.send(null)
             return
         }

src/browser/worker.js

@@ -12,7 +12,7 @@ global.addEventListener('message', function(e){
 exports.getCore = function(req, res){
     if(!global.TesseractCore){
         res.progress({ status: 'loading tesseract core' })
-        importScripts(req.workerOptions.tesseractPath)
+        importScripts(req.workerOptions.corePath)
         res.progress({ status: 'loaded tesseract core' })
     }
     return TesseractCore