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ENHANCEMENT: download link functionality

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This commit is contained in:
Julian Seidenberg 2012-07-27 17:38:20 +12:00
parent ed6a697b57
commit 17ea520f98
4 changed files with 129 additions and 11 deletions
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7
_config/routes.yml Normal file
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@ -0,0 +1,7 @@
---
Name: dmsdocument
After: framework/routes#coreroutes
---
Director:
rules:
'dmsdocument/$ID' : 'DMSDocument_Controller'

7
code/DMS.php
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@ -13,6 +13,7 @@ class DMS implements DMSInterface {
self::$modelClass = $className;
}
/**
* Factory method that returns an instance of the DMS. This could be any class that implements the DMSInterface.
* @static
@ -22,10 +23,14 @@ class DMS implements DMSInterface {
self::$dmsPath = BASE_PATH . DIRECTORY_SEPARATOR . self::$dmsFolder;
$dms = new DMS();
self::createStorageFolder(self::$dmsPath);
self::createStorageFolder(self::get_DMS_path());
return $dms;
}
static function get_DMS_path() {
return BASE_PATH . DIRECTORY_SEPARATOR . self::$dmsFolder;
}
static function transformFileToFilePath($file) {
//confirm we have a file
$filePath = null;

100
code/DMSDocument.php
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@ -226,7 +226,7 @@ class DMSDocument extends DataObject implements DMSDocumentInterface {
* @return String
*/
function downloadLink() {
// TODO: Implement downloadLink() method.
return Controller::join_links(Director::baseURL(),'dmsdocument/'.$this->ID);
}
/**
@ -314,7 +314,7 @@ class DMSDocument extends DataObject implements DMSDocumentInterface {
* @return string
*/
function getFullPath() {
return DMS::$dmsPath . DIRECTORY_SEPARATOR . $this->Folder . DIRECTORY_SEPARATOR . $this->Filename;
return DMS::get_DMS_path() . DIRECTORY_SEPARATOR . $this->Folder . DIRECTORY_SEPARATOR . $this->Filename;
}
/**
@ -326,7 +326,7 @@ class DMSDocument extends DataObject implements DMSDocumentInterface {
$this->removeAllTags();
//delete the file
unlink($this->getFullPath());
if (is_file($this->getFullPath())) unlink($this->getFullPath());
$this->removeAllPages();
@ -341,8 +341,8 @@ class DMSDocument extends DataObject implements DMSDocumentInterface {
$fromFilename = basename($filePath);
$toFilename = $this->ID. '~' . $fromFilename; //add the docID to the start of the Filename
$toFolder = DMS::getStorageFolder($this->ID);
$toPath = DMS::$dmsPath . DIRECTORY_SEPARATOR . $toFolder . DIRECTORY_SEPARATOR . $toFilename;
DMS::createStorageFolder(DMS::$dmsPath . DIRECTORY_SEPARATOR . $toFolder);
$toPath = DMS::get_DMS_path() . DIRECTORY_SEPARATOR . $toFolder . DIRECTORY_SEPARATOR . $toFilename;
DMS::createStorageFolder(DMS::get_DMS_path() . DIRECTORY_SEPARATOR . $toFolder);
//copy the file into place
$fromPath = BASE_PATH . DIRECTORY_SEPARATOR . $filePath;
@ -371,4 +371,92 @@ class DMSDocument extends DataObject implements DMSDocumentInterface {
return $doc;
}
}
function getCMSFields() {
$fields = parent::getCMSFields();
return $fields;
}
}
class DMSDocument_Controller extends Controller {
static $allowed_actions = array(
'index'
);
protected static function get_file_extension($filename) {
return pathinfo($filename, PATHINFO_EXTENSION);
}
/**
* Access the file download without redirecting user, so we can block direct access to documents.
*/
function index(SS_HTTPRequest $request) {
$id = Convert::raw2sql($this->getRequest()->param('ID'));
Debug::show($id);
if (!empty($id)) $doc = DataObject::get_by_id('DMSDocument', $id);
if (!empty($doc)) {
Debug::Show($doc);
$canView = false;
//Runs through all pages that this page links to and sets canView to true if the user can view ONE of these pages
$pages = $doc->Pages();
if ($pages->Count() > 0) {
foreach($pages as $page) {
if ($page->CanView()) {
$canView = true; //just one canView is enough to know that we can view the file
break;
}
}
} else {
//if the document isn't on any page, then allow viewing of the document (because there is no canView() to consult)
$canView = true;
}
// TODO: add a check for embargo
if ($canView) {
$path = $doc->getFullPath();
Debug::Show($path);
if ( is_file($path) ) {
$fileBin = trim(`whereis file`);
Debug::Show($fileBin);
if ( function_exists('finfo_file') ) {
// discover the mime type properly
$finfo = finfo_open(FILEINFO_MIME_TYPE);
$mime = finfo_file($finfo, $path);
}
else if ( is_executable($fileBin) ) {
// try to use the system tool
$mime = `$fileBin -i -b $path`;
$mime = explode(';', $mime);
$mime = trim($mime[0]);
}
else {
// make do with what we have
$ext = self::get_file_extension($path);
if ( $ext =='pdf') {
$mime = 'application/pdf';
}elseif ($ext == 'html' || $ext =='htm') {
$mime = 'text/html';
}else {
$mime = 'application/octet-stream';
}
}
header('Content-Type: ' . $mime);
header('Content-Length: ' . filesize($path), null);
if (!empty($mime) && $mime != "text/html") header('Content-Disposition: attachment; filename="'.basename($path).'"');
header('Content-transfer-encoding: 8bit');
header('Expires: 0');
header('Pragma: cache');
header('Cache-Control: private');
flush();
readfile($path);
exit;
}
}
}
$this->httpError(404, 'This asset does not exist.');
}
}

26
tests/DMSTest.php
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@ -1,5 +1,5 @@
<?php
class DMSTest extends SapphireTest {
class DMSTest extends FunctionalTest {
static $testFile = 'dms/tests/DMS-test-lorum-file.pdf';
static $testFile2 = 'dms/tests/DMS-test-document-2.pdf';
@ -9,6 +9,8 @@ class DMSTest extends SapphireTest {
static $dmsFolderSizeOld;
function setUp() {
parent::setUp();
self::$dmsFolderOld = DMS::$dmsFolder;
self::$dmsFolderSizeOld = DMS::$dmsFolderSize;
@ -20,6 +22,8 @@ class DMSTest extends SapphireTest {
}
function tearDown() {
parent::tearDown();
$d = DataObject::get("DMSDocument");
foreach($d as $d1) {
$d1->delete();
@ -64,7 +68,7 @@ class DMSTest extends SapphireTest {
$document = $dms->storeDocument($file);
$this->assertNotNull($document, "Document object created");
$this->assertTrue(file_exists(DMS::$dmsPath . DIRECTORY_SEPARATOR . $document->Folder . DIRECTORY_SEPARATOR . $document->Filename),"Document file copied into DMS folder");
$this->assertTrue(file_exists(DMS::get_DMS_path() . DIRECTORY_SEPARATOR . $document->Folder . DIRECTORY_SEPARATOR . $document->Filename),"Document file copied into DMS folder");
//$title = $document->getTag('title');
}
@ -93,7 +97,7 @@ class DMSTest extends SapphireTest {
//test we created 4 folder to contain the 17 files
foreach($folders as $f) {
$this->assertTrue(is_dir(DMS::$dmsPath . DIRECTORY_SEPARATOR . $f),"Document folder '$f' exists");
$this->assertTrue(is_dir(DMS::get_DMS_path() . DIRECTORY_SEPARATOR . $f),"Document folder '$f' exists");
}
}
@ -110,11 +114,25 @@ class DMSTest extends SapphireTest {
$document = $document->replaceDocument(self::$testFile2);
$this->assertNotNull($document, "Document object created");
$this->assertTrue(file_exists(DMS::$dmsPath . DIRECTORY_SEPARATOR . $document->Folder . DIRECTORY_SEPARATOR . $document->Filename),"Document file copied into DMS folder");
$this->assertTrue(file_exists(DMS::get_DMS_path() . DIRECTORY_SEPARATOR . $document->Folder . DIRECTORY_SEPARATOR . $document->Filename),"Document file copied into DMS folder");
$this->assertContains("DMS-test-document-2",$document->Filename, "Original document filename is contain in the new filename");
$this->assertEquals("My custom title", $document->Title , "Custom title not modified");
$this->assertEquals("My custom description", $document->Description, "Custom description not modified");
}
function testDownloadDocument() {
// $dms = DMS::getDMSInstance();
//
// //store the first document
// $document = $dms->storeDocument(self::$testFile);
// $link = $document->downloadLink();
//
// Debug::Show($link);
// $d=new DMSDocument_Controller();
// $response = $d->index(new SS_HTTPRequest('GET',$link,array("ID"=>$document->ID)));
// //$response = $this->get($link);
// Debug::show($response);
}
}