Support file uploads in CefURLRequests originating from the browser process (issue #1013).

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@1525 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

include/capi/cef_urlrequest_capi.h

@@ -101,7 +101,14 @@ typedef struct _cef_urlrequest_t {
 
 ///
 // Create a new URL request. Only GET, POST, HEAD, DELETE and PUT request
-// functions are supported. The |request| object will be marked as read-only
+// functions are supported. Multiple post data elements are not supported and
+// elements of type PDE_TYPE_FILE are only supported for requests originating
+// from the browser process. Requests originating from the render process will
+// receive the same handling as requests originating from Web content -- if the
+// response contains Content-Disposition or Mime-Type header values that would
+// not normally be rendered then the response may receive special handling
+// inside the browser (for example, via the file download code path instead of
+// the URL request code path). The |request| object will be marked as read-only
 // after calling this function.
 ///
 CEF_EXPORT cef_urlrequest_t* cef_urlrequest_create(

include/cef_urlrequest.h

@@ -60,8 +60,15 @@ class CefURLRequest : public virtual CefBase {
 
   ///
   // Create a new URL request. Only GET, POST, HEAD, DELETE and PUT request
-  // methods are supported. The |request| object will be marked as read-only
-  // after calling this method.
+  // methods are supported. Multiple post data elements are not supported and
+  // elements of type PDE_TYPE_FILE are only supported for requests originating
+  // from the browser process. Requests originating from the render process will
+  // receive the same handling as requests originating from Web content -- if
+  // the response contains Content-Disposition or Mime-Type header values that
+  // would not normally be rendered then the response may receive special
+  // handling inside the browser (for example, via the file download code path
+  // instead of the URL request code path). The |request| object will be marked
+  // as read-only after calling this method.
   ///
   /*--cef()--*/
   static CefRefPtr<CefURLRequest> Create(

libcef/browser/browser_urlrequest_impl.cc

@@ -221,20 +221,34 @@ class CefBrowserURLRequest::Context
     if (post_data.get()) {
       CefPostData::ElementVector elements;
       post_data->GetElements(elements);
-      if (elements.size() == 1 && elements[0]->GetType() == PDE_TYPE_BYTES) {
-        CefPostDataElementImpl* impl =
-            static_cast<CefPostDataElementImpl*>(elements[0].get());
-
+      if (elements.size() == 1) {
         // Default to URL encoding if not specified.
         if (content_type.empty())
           content_type = "application/x-www-form-urlencoded";
 
+        CefPostDataElementImpl* impl =
+            static_cast<CefPostDataElementImpl*>(elements[0].get());
+
+        switch (elements[0]->GetType())
+          case PDE_TYPE_BYTES: {
             upload_data_size = impl->GetBytesCount();
             fetcher_->SetUploadData(content_type,
                 std::string(static_cast<char*>(impl->GetBytes()),
                             upload_data_size));
-      } else {
-        NOTIMPLEMENTED() << "multi-part form data is not supported";
+            break;
+          case PDE_TYPE_FILE:
+            fetcher_->SetUploadFilePath(
+                content_type, 
+                base::FilePath(impl->GetFile()),
+                0, kuint64max,
+                content::BrowserThread::GetMessageLoopProxyForThread(
+                    content::BrowserThread::FILE).get());
+            break;
+          case PDE_TYPE_EMPTY:
+            break;
+        }
+      } else if (elements.size() > 1) {
+        NOTIMPLEMENTED() << " multi-part form data is not supported";
       }
     }
 

tests/unittests/urlrequest_unittest.cc

@@ -2,6 +2,7 @@
 // reserved. Use of this source code is governed by a BSD-style license that
 // can be found in the LICENSE file.
 
+#include <fstream>
 #include <map>
 #include <sstream>
 
@@ -14,6 +15,7 @@
 
 #include "base/bind.h"
 #include "base/callback.h"
+#include "base/files/scoped_temp_dir.h"
 #include "base/strings/stringprintf.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ -45,6 +47,7 @@ enum RequestTestMode {
   REQTEST_GET_ALLOWCOOKIES,
   REQTEST_GET_REDIRECT,
   REQTEST_POST,
+  REQTEST_POST_FILE,
   REQTEST_POST_WITHPROGRESS,
   REQTEST_HEAD,
 };
@@ -108,6 +111,15 @@ void SetUploadData(CefRefPtr<CefRequest> request,
   request->SetPostData(postData);
 }
 
+void SetUploadFile(CefRefPtr<CefRequest> request,
+                   const base::FilePath& file) {
+  CefRefPtr<CefPostData> postData = CefPostData::Create();
+  CefRefPtr<CefPostDataElement> element = CefPostDataElement::Create();
+  element->SetToFile(file.value());
+  postData->AddElement(element);
+  request->SetPostData(postData);
+}
+
 void GetUploadData(CefRefPtr<CefRequest> request,
                    std::string& data) {
   CefRefPtr<CefPostData> postData = request->GetPostData();
@@ -532,6 +544,7 @@ class RequestTestRunner {
                   GenericRunTest);
     REGISTER_TEST(REQTEST_GET_REDIRECT, SetupGetRedirectTest, GenericRunTest);
     REGISTER_TEST(REQTEST_POST, SetupPostTest, GenericRunTest);
+    REGISTER_TEST(REQTEST_POST_FILE, SetupPostFileTest, GenericRunTest);
     REGISTER_TEST(REQTEST_POST_WITHPROGRESS, SetupPostWithProgressTest,
                   GenericRunTest);
     REGISTER_TEST(REQTEST_HEAD, SetupHeadTest, GenericRunTest);
@@ -630,6 +643,28 @@ class RequestTestRunner {
     settings_.response_data = "POST TEST SUCCESS";
   }
 
+  void SetupPostFileTest() {
+    settings_.request = CefRequest::Create();
+    settings_.request->SetURL(MakeSchemeURL("PostFileTest.html"));
+    settings_.request->SetMethod("POST");
+
+    EXPECT_TRUE(post_file_tmpdir_.CreateUniqueTempDir());
+    base::FilePath path =
+        post_file_tmpdir_.path().Append(FILE_PATH_LITERAL("example.txt"));
+    std::ofstream myfile;
+    myfile.open(path.value());
+    myfile << "HELLO FRIEND!";
+    myfile.close();
+    SetUploadFile(settings_.request, path);
+
+    settings_.response = CefResponse::Create();
+    settings_.response->SetMimeType("text/html");
+    settings_.response->SetStatus(200);
+    settings_.response->SetStatusText("OK");
+
+    settings_.response_data = "POST TEST SUCCESS";
+  }
+
   void SetupPostWithProgressTest() {
     // Start with the normal post test.
     SetupPostTest();
@@ -755,6 +790,9 @@ class RequestTestRunner {
       scheme_factory_ = NULL;
     }
 
+    if (post_file_tmpdir_.IsValid())
+      EXPECT_TRUE(post_file_tmpdir_.Delete());
+
     delegate_->DestroyTest(settings_);
   }
 
@@ -800,6 +838,8 @@ class RequestTestRunner {
   std::string scheme_name_;
   CefRefPtr<RequestSchemeHandlerFactory> scheme_factory_;
 
+  base::ScopedTempDir post_file_tmpdir_;
+
  public:
   RequestRunSettings settings_;
 };
@@ -1044,6 +1084,7 @@ REQ_TEST(BrowserGETNoData, REQTEST_GET_NODATA, true);
 REQ_TEST(BrowserGETAllowCookies, REQTEST_GET_ALLOWCOOKIES, true);
 REQ_TEST(BrowserGETRedirect, REQTEST_GET_REDIRECT, true);
 REQ_TEST(BrowserPOST, REQTEST_POST, true);
+REQ_TEST(BrowserPOSTFile, REQTEST_POST_FILE, true);
 REQ_TEST(BrowserPOSTWithProgress, REQTEST_POST_WITHPROGRESS, true);
 REQ_TEST(BrowserHEAD, REQTEST_HEAD, true);