Merge pull request #5 from zanardigit/master

Build DataUri from remote URL

Author: aztech-dev

composer.json

@@ -12,7 +12,8 @@
   ],
   "require": {
     "php"                     : ">=5.3.2",
-    "symfony/http-foundation" : "~2.0"
+    "symfony/http-foundation" : "~2.0",
+    "ext-curl"                : "*"
   },
   "require-dev": {
     "sami/sami"               : "dev-master"

docs/source/index.rst

@@ -89,7 +89,7 @@ Dumper
     // Add some parameters
     $dataObject->addParameters('charset' => 'utf-8');
 
-    echo DaraURI\Dumper::dump($dataObject);
+    echo DataURI\Dumper::dump($dataObject);
     // Output data:text/plain;charset=utf-8,%23%24%25
 
 Dump URI from file
@@ -101,7 +101,19 @@ Dump URI from file
     use DataURI;
 
     $dataObject = DataURI\Data::buildFromFile("/path/to/my/image.png");
-    echo DaraURI\Dumper::dump($dataObject);
+    echo DataURI\Dumper::dump($dataObject);
+    // Output data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAA...+S/EAAAAASUVORK5CYII=
+
+Dump URI from url
+^^^^^^^^^^^^^^^^^
+
+.. code-block:: php
+
+    <?php
+    use DataURI;
+
+    $dataObject = DataURI\Data::buildFromUrl("http://www.example.org/path/to/my/image.png");
+    echo DataURI\Dumper::dump($dataObject);
     // Output data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAA...+S/EAAAAASUVORK5CYII=
 
 Handling Exceptions
@@ -110,7 +122,7 @@ Handling Exceptions
 PHP-dataURI throws 4 different types of exception :
 
 - ``\DataURI\Exception\FileNotFoundException`` is thrown when an invalid
-  pathfile is supplied
+  pathfile is supplied or when we don't get a valid response from URL
 - ``\DataURI\Exception\InvalidDataException`` is thrown when raw data could not
   be decoded
 - ``\DataURI\Exception\TooLongDataException`` is thrown when provided data is too

src/DataURI/Data.php

@@ -225,6 +225,32 @@ public static function buildFromFile($file, $strict = false, $lengthMode = Data:
         return $dataURI;
     }
 
+    /**
+     * Get a new instance of DataUri\Data from a remote file
+     *
+     * @param string    $url            Path to the remote file
+     * @param boolean   $strict         Use strict mode
+     * @param int       $lengthMode     The length mode
+     * @return \DataURI\Data
+     */
+    public static function buildFromUrl($url, $strict = false, $lengthMode = Data::TAGLEN)
+    {
+        $ch = curl_init($url);
+        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+        $data = curl_exec($ch);
+
+        if (curl_getinfo($ch, CURLINFO_HTTP_CODE) != 200) {
+            throw new FileNotFoundException(sprintf('%s file does not exist or the remote server does not respond', $url));
+        }
+
+        $mimeType = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
+        curl_close($ch);
+
+        $dataURI = new static($data, $mimeType, array(), $strict, $lengthMode);
+
+        return $dataURI;
+    }
+
     /**
      * Contructor initialization
 

tests/DataTest.php

@@ -119,6 +119,15 @@ public function testBuildFromFile()
         $this->assertEquals(file_get_contents($file), $dataURI->getData());
     }
 
+    public function testBuildFromUrl()
+    {
+        $url = 'http://www.alchemy.fr/images/header_03.png';
+        $dataURI = DataURI\Data::buildFromUrl($url);
+        $this->assertInstanceOf('DataURI\Data', $dataURI);
+        $this->assertEquals('image/png', $dataURI->getMimeType());
+        $this->assertEquals(file_get_contents($url), $dataURI->getData());
+    }
+
     /**
      * @expectedException \DataURI\Exception\FileNotFoundException
      */