Convert FileRefImpl and URLRequestInfo to shared_impl.

webkit/plugins/ppapi/ppb_url_request_info_impl.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "webkit/plugins/ppapi/ppb_url_request_info_impl.h"
 
 #include "base/logging.h"
 #include "base/string_util.h"
 #include "googleurl/src/gurl.h"
 #include "googleurl/src/url_util.h"
 #include "net/http/http_util.h"
-#include "ppapi/c/pp_var.h"
 #include "ppapi/shared_impl/var.h"
 #include "ppapi/thunk/enter.h"
-#include "ppapi/thunk/ppb_file_ref_api.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebData.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDocument.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebHTTPBody.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebURL.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebURLRequest.h"
 #include "webkit/glue/webkit_glue.h"
 #include "webkit/plugins/ppapi/common.h"
 #include "webkit/plugins/ppapi/plugin_module.h"
-#include "webkit/plugins/ppapi/ppapi_plugin_instance.h"
 #include "webkit/plugins/ppapi/ppb_file_ref_impl.h"
 #include "webkit/plugins/ppapi/ppb_file_system_impl.h"
 #include "webkit/plugins/ppapi/resource_helper.h"
-#include "webkit/plugins/ppapi/string.h"
 
-using ppapi::StringVar;
+using ppapi::PPB_URLRequestInfo_Data;
+using ppapi::Resource;
 using ppapi::thunk::EnterResourceNoLock;
 using ppapi::thunk::PPB_FileRef_API;
-using ppapi::thunk::PPB_URLRequestInfo_API;
 using WebKit::WebData;
 using WebKit::WebHTTPBody;
 using WebKit::WebString;
 using WebKit::WebFrame;
 using WebKit::WebURL;
 using WebKit::WebURLRequest;
 
 namespace webkit {
 namespace ppapi {
 
@@ skipping 13 matching lines @@
       return false;
     if (c == '(' || c == ')' || c == '<' || c == '>' || c == '@' ||
         c == ',' || c == ';' || c == ':' || c == '\\' || c == '\"' ||
         c == '/' || c == '[' || c == ']' || c == '?' || c == '=' ||
         c == '{' || c == '}')
       return false;
   }
   return true;
 }
 
-// These methods are not allowed by the XMLHttpRequest standard.
-// http://www.w3.org/TR/XMLHttpRequest/#the-open-method
-const char* const kForbiddenHttpMethods[] = {
-  "connect",
-  "trace",
-  "track",
-};
-
-// These are the "known" methods in the Webkit XHR implementation. Also see
-// the XMLHttpRequest standard.
-// http://www.w3.org/TR/XMLHttpRequest/#the-open-method
-const char* const kKnownHttpMethods[] = {
-  "get",
-  "post",
-  "put",
-  "head",
-  "copy",
-  "delete",
-  "index",
-  "lock",
-  "m-post",
-  "mkcol",
-  "move",
-  "options",
-  "propfind",
-  "proppatch",
-  "unlock",
-};
-
-std::string ValidateMethod(const std::string& method) {
-  for (size_t i = 0; i < arraysize(kForbiddenHttpMethods); ++i) {
-    if (LowerCaseEqualsASCII(method, kForbiddenHttpMethods[i]))
-      return std::string();
-  }
-  for (size_t i = 0; i < arraysize(kKnownHttpMethods); ++i) {
-    if (LowerCaseEqualsASCII(method, kKnownHttpMethods[i])) {
-      // Convert the method name to upper case to match Webkit and Firefox's
-      // XHR implementation.
-      return StringToUpperASCII(std::string(kKnownHttpMethods[i]));
-    }
-  }
-  // Pass through unknown methods that are not forbidden.
-  return method;
-}
-
 // A header string containing any of the following fields will cause
 // an error. The list comes from the XMLHttpRequest standard.
 // http://www.w3.org/TR/XMLHttpRequest/#the-setrequestheader-method
 const char* const kForbiddenHeaderFields[] = {
   "accept-charset",
   "accept-encoding",
   "connection",
   "content-length",
   "cookie",
   "cookie2",
@@ skipping 29 matching lines @@
   net::HttpUtil::HeadersIterator it(headers.begin(), headers.end(), "\n");
   while (it.GetNext()) {
     if (!IsValidHeaderField(it.name()))
       return false;
   }
   return true;
 }
 
 }  // namespace
 
-struct PPB_URLRequestInfo_Impl::BodyItem {
-  explicit BodyItem(const std::string& data)
-      : data(data),
-        start_offset(0),
-        number_of_bytes(-1),
-        expected_last_modified_time(0.0) {
-  }
 
-  BodyItem(PPB_FileRef_Impl* file_ref,
-           int64_t start_offset,
-           int64_t number_of_bytes,
-           PP_Time expected_last_modified_time)
-      : file_ref(file_ref),
-        start_offset(start_offset),
-        number_of_bytes(number_of_bytes),
-        expected_last_modified_time(expected_last_modified_time) {
-  }
-
-  std::string data;
-  scoped_refptr<PPB_FileRef_Impl> file_ref;
-  int64_t start_offset;
-  int64_t number_of_bytes;
-  PP_Time expected_last_modified_time;
-};
-
-PPB_URLRequestInfo_Impl::PPB_URLRequestInfo_Impl(PP_Instance instance)
-    : Resource(instance),
-      stream_to_file_(false),
-      follow_redirects_(true),
-      record_download_progress_(false),
-      record_upload_progress_(false),
-      has_custom_referrer_url_(false),
-      allow_cross_origin_requests_(false),
-      allow_credentials_(false),
-      has_custom_content_transfer_encoding_(false),
-      prefetch_buffer_upper_threshold_(kDefaultPrefetchBufferUpperThreshold),
-      prefetch_buffer_lower_threshold_(kDefaultPrefetchBufferLowerThreshold) {
+PPB_URLRequestInfo_Impl::PPB_URLRequestInfo_Impl(
+    PP_Instance instance,
+    const PPB_URLRequestInfo_Data& data)
+    : URLRequestInfoImpl(instance, data) {
 }
 
 PPB_URLRequestInfo_Impl::~PPB_URLRequestInfo_Impl() {
 }
 
-PPB_URLRequestInfo_API* PPB_URLRequestInfo_Impl::AsPPB_URLRequestInfo_API() {
-  return this;
-}
+bool PPB_URLRequestInfo_Impl::ToWebURLRequest(WebFrame* frame,
+                                              WebURLRequest* dest) {
+  // In the out-of-process case, we've received the PPB_URLRequestInfo_Data
+  // from the untrusted plugin and done no validation on it. We need to be
+  // sure it's not being malicious by checking everything for consistency.
+  if (!ValidateData())
+    return false;
 
-PP_Bool PPB_URLRequestInfo_Impl::SetProperty(PP_URLRequestProperty property,
-                                             PP_Var var) {
-  PP_Bool result = PP_FALSE;
-  switch (var.type) {
-    case PP_VARTYPE_UNDEFINED:
-      result = PP_FromBool(SetUndefinedProperty(property));
-      break;
-    case PP_VARTYPE_BOOL:
-      result = PP_FromBool(
-          SetBooleanProperty(property, PP_ToBool(var.value.as_bool)));
-      break;
-    case PP_VARTYPE_INT32:
-      result = PP_FromBool(
-          SetIntegerProperty(property, var.value.as_int));
-      break;
-    case PP_VARTYPE_STRING: {
-      StringVar* string = StringVar::FromPPVar(var);
-      if (string)
-        result = PP_FromBool(SetStringProperty(property, string->value()));
-      break;
-    }
-    default:
-      break;
-  }
-  return result;
-}
+  dest->initialize();
+  dest->setURL(frame->document().completeURL(WebString::fromUTF8(
+      data().url)));
+  dest->setDownloadToFile(data().stream_to_file);
+  dest->setReportUploadProgress(data().record_upload_progress);
 
-PP_Bool PPB_URLRequestInfo_Impl::AppendDataToBody(const void* data,
-                                                  uint32_t len) {
-  if (len > 0)
-    body_.push_back(BodyItem(std::string(static_cast<const char*>(data), len)));
-  return PP_TRUE;
-}
+  if (!data().method.empty())
+    dest->setHTTPMethod(WebString::fromUTF8(data().method));
 
-PP_Bool PPB_URLRequestInfo_Impl::AppendFileToBody(
-    PP_Resource file_ref,
-    int64_t start_offset,
-    int64_t number_of_bytes,
-    PP_Time expected_last_modified_time) {
-  // Ignore a call to append nothing.
-  if (number_of_bytes == 0)
-    return PP_TRUE;
-
-  // Check for bad values.  (-1 means read until end of file.)
-  if (start_offset < 0 || number_of_bytes < -1)
-    return PP_FALSE;
-
-  EnterResourceNoLock<PPB_FileRef_API> enter(file_ref, true);
-  if (enter.failed())
-    return PP_FALSE;
-
-  body_.push_back(BodyItem(static_cast<PPB_FileRef_Impl*>(enter.object()),
-                           start_offset,
-                           number_of_bytes,
-                           expected_last_modified_time));
-  return PP_TRUE;
-}
-
-WebURLRequest PPB_URLRequestInfo_Impl::ToWebURLRequest(WebFrame* frame) const {
-  WebURLRequest web_request;
-  web_request.initialize();
-  web_request.setURL(frame->document().completeURL(WebString::fromUTF8(url_)));
-  web_request.setDownloadToFile(stream_to_file_);
-  web_request.setReportUploadProgress(record_upload_progress());
-
-  if (!method_.empty())
-    web_request.setHTTPMethod(WebString::fromUTF8(method_));
-
-  web_request.setFirstPartyForCookies(
+  dest->setFirstPartyForCookies(
       frame->document().firstPartyForCookies());
 
-  if (!headers_.empty()) {
-    net::HttpUtil::HeadersIterator it(headers_.begin(), headers_.end(), "\n");
+  const std::string& headers = data().headers;
+  if (!headers.empty()) {
+    net::HttpUtil::HeadersIterator it(headers.begin(), headers.end(), "\n");
     while (it.GetNext()) {
-      web_request.addHTTPHeaderField(
+      dest->addHTTPHeaderField(
           WebString::fromUTF8(it.name()),
           WebString::fromUTF8(it.values()));
     }
   }
 
-  if (!body_.empty()) {
+  // Append the upload data.
+  if (!data().body.empty()) {
     WebHTTPBody http_body;
     http_body.initialize();
-    for (size_t i = 0; i < body_.size(); ++i) {
-      if (body_[i].file_ref) {
-        FilePath platform_path;
-        switch (body_[i].file_ref->file_system()->type()) {
-          case PP_FILESYSTEMTYPE_LOCALTEMPORARY:
-          case PP_FILESYSTEMTYPE_LOCALPERSISTENT:
-            // TODO(kinuko): remove this sync IPC when we add more generic
-            // AppendURLRange solution that works for both Blob/FileSystem URL.
-            ResourceHelper::GetPluginDelegate(this)->
-                SyncGetFileSystemPlatformPath(
-                    body_[i].file_ref->GetFileSystemURL(), &platform_path);
-            break;
-          case PP_FILESYSTEMTYPE_EXTERNAL:
-            platform_path = body_[i].file_ref->GetSystemPath();
-            break;
-          default:
-            NOTREACHED();
-        }
-        http_body.appendFileRange(
-            webkit_glue::FilePathToWebString(platform_path),
-            body_[i].start_offset,
-            body_[i].number_of_bytes,
-            body_[i].expected_last_modified_time);
+    for (size_t i = 0; i < data().body.size(); ++i) {
+      const PPB_URLRequestInfo_Data::BodyItem& item = data().body[i];
+      if (item.is_file) {
+        if (!AppendFileRefToBody(item.file_ref,
+                                 item.start_offset,
+                                 item.number_of_bytes,
+                                 item.expected_last_modified_time,
+                                 &http_body))
+          return false;
       } else {
-        DCHECK(!body_[i].data.empty());
-        http_body.appendData(WebData(body_[i].data));
+        DCHECK(!item.data.empty());
+        http_body.appendData(WebData(item.data));
       }
     }
-    web_request.setHTTPBody(http_body);
+    dest->setHTTPBody(http_body);
   }
 
-  if (has_custom_referrer_url_) {
-    if (!custom_referrer_url_.empty())
-      frame->setReferrerForRequest(web_request, GURL(custom_referrer_url_));
-  } else if (!allow_cross_origin_requests_) {
+  if (data().has_custom_referrer_url) {
+    if (!data().custom_referrer_url.empty())
+      frame->setReferrerForRequest(*dest, GURL(data().custom_referrer_url));
+  } else if (!data().allow_cross_origin_requests) {
     // Use default, except for cross-origin requests, since 'referer' is not
     // whitelisted and will cause the request to fail.
-    frame->setReferrerForRequest(web_request, WebURL());
+    frame->setReferrerForRequest(*dest, WebURL());
   }
 
-  if (has_custom_content_transfer_encoding_) {
-    if (!custom_content_transfer_encoding_.empty()) {
-      web_request.addHTTPHeaderField(
+  if (data().has_custom_content_transfer_encoding) {
+    if (!data().custom_content_transfer_encoding.empty()) {
+      dest->addHTTPHeaderField(
           WebString::fromUTF8("Content-Transfer-Encoding"),
-          WebString::fromUTF8(custom_content_transfer_encoding_));
+          WebString::fromUTF8(data().custom_content_transfer_encoding));
     }
   }
 
-  return web_request;
+  return true;
 }
 
 bool PPB_URLRequestInfo_Impl::RequiresUniversalAccess() const {
   return
-      has_custom_referrer_url_ ||
-      has_custom_content_transfer_encoding_ ||
-      url_util::FindAndCompareScheme(url_, "javascript", NULL);
+      data().has_custom_referrer_url ||
+      data().has_custom_content_transfer_encoding ||
+      url_util::FindAndCompareScheme(data().url, "javascript", NULL);
 }
 
-bool PPB_URLRequestInfo_Impl::SetUndefinedProperty(
-    PP_URLRequestProperty property) {
-  switch (property) {
-    case PP_URLREQUESTPROPERTY_CUSTOMREFERRERURL:
-      has_custom_referrer_url_ = false;
-      custom_referrer_url_ = std::string();
-      return true;
-    case PP_URLREQUESTPROPERTY_CUSTOMCONTENTTRANSFERENCODING:
-      has_custom_content_transfer_encoding_ = false;
-      custom_content_transfer_encoding_ = std::string();
-      return true;
-    default:
+bool PPB_URLRequestInfo_Impl::ValidateData() {
+  // Method should either be empty or a valid one.
+  if (!data().method.empty()) {
+    std::string canonicalized = ValidateMethod(data().method);
+    if (canonicalized.empty())
       return false;
+    data().method = canonicalized;
   }
+
+  if (!AreValidHeaders(data().headers))
+    return false;
+
+  // Get the Resource objects for any file refs with only host resource (this
+  // is the state of the request as it comes off IPC).
+  for (size_t i = 0; i < data().body.size(); ++i) {
+    PPB_URLRequestInfo_Data::BodyItem& item = data().body[i];
+    if (item.is_file && !item.file_ref) {
+      EnterResourceNoLock<PPB_FileRef_API> enter(
+          item.file_ref_host_resource.host_resource(), false);
+      if (!enter.succeeded())
+        return false;
+      item.file_ref = enter.resource();
+    }
+  }
+  return true;
 }
 
-bool PPB_URLRequestInfo_Impl::SetBooleanProperty(PP_URLRequestProperty property,
-                                                 bool value) {
-  switch (property) {
-    case PP_URLREQUESTPROPERTY_STREAMTOFILE:
-      stream_to_file_ = value;
-      return true;
-    case PP_URLREQUESTPROPERTY_FOLLOWREDIRECTS:
-      follow_redirects_ = value;
-      return true;
-    case PP_URLREQUESTPROPERTY_RECORDDOWNLOADPROGRESS:
-      record_download_progress_ = value;
-      return true;
-    case PP_URLREQUESTPROPERTY_RECORDUPLOADPROGRESS:
-      record_upload_progress_ = value;
-      return true;
-    case PP_URLREQUESTPROPERTY_ALLOWCROSSORIGINREQUESTS:
-      allow_cross_origin_requests_ = value;
-      return true;
-    case PP_URLREQUESTPROPERTY_ALLOWCREDENTIALS:
-      allow_credentials_ = value;
-      return true;
+bool PPB_URLRequestInfo_Impl::AppendFileRefToBody(
+    Resource* file_ref_resource,
+    int64_t start_offset,
+    int64_t number_of_bytes,
+    PP_Time expected_last_modified_time,
+    WebHTTPBody *http_body) {
+  // Get the underlying file ref impl.
+  if (!file_ref_resource)
+    return false;
+  PPB_FileRef_API* file_ref_api = file_ref_resource->AsPPB_FileRef_API();
+  if (!file_ref_api)
+    return false;
+  const PPB_FileRef_Impl* file_ref =
+      static_cast<PPB_FileRef_Impl*>(file_ref_api);
+
+  FilePath platform_path;
+  switch (file_ref->file_system()->type()) {
+    case PP_FILESYSTEMTYPE_LOCALTEMPORARY:
+    case PP_FILESYSTEMTYPE_LOCALPERSISTENT:
+      // TODO(kinuko): remove this sync IPC when we add more generic
+      // AppendURLRange solution that works for both Blob/FileSystem URL.
+      ResourceHelper::GetPluginDelegate(this)->
+          SyncGetFileSystemPlatformPath(
+              file_ref->GetFileSystemURL(), &platform_path);
+      break;
+    case PP_FILESYSTEMTYPE_EXTERNAL:
+      platform_path = file_ref->GetSystemPath();
+      break;
     default:
-      return false;
+      NOTREACHED();
   }
+  http_body->appendFileRange(
+      webkit_glue::FilePathToWebString(platform_path),
+      start_offset,
+      number_of_bytes,
+      expected_last_modified_time);
+  return true;
 }
 
-bool PPB_URLRequestInfo_Impl::SetIntegerProperty(PP_URLRequestProperty property,
-                                                 int32_t value) {
-  switch (property) {
-    case PP_URLREQUESTPROPERTY_PREFETCHBUFFERUPPERTHRESHOLD:
-      prefetch_buffer_upper_threshold_ = value;
-      return true;
-    case PP_URLREQUESTPROPERTY_PREFETCHBUFFERLOWERTHRESHOLD:
-      prefetch_buffer_lower_threshold_ = value;
-      return true;
-    default:
-      return false;
-  }
-}
-
-bool PPB_URLRequestInfo_Impl::SetStringProperty(PP_URLRequestProperty property,
-                                                const std::string& value) {
-  // TODO(darin): Validate input.  Perhaps at a different layer?
-  switch (property) {
-    case PP_URLREQUESTPROPERTY_URL:
-      url_ = value;  // NOTE: This may be a relative URL.
-      return true;
-    case PP_URLREQUESTPROPERTY_METHOD:
-      if (!IsValidToken(value))
-        return false;
-      method_ = ValidateMethod(value);
-      return !method_.empty();
-    case PP_URLREQUESTPROPERTY_HEADERS:
-      if (!AreValidHeaders(value))
-        return false;
-      headers_ = value;
-      return true;
-    case PP_URLREQUESTPROPERTY_CUSTOMREFERRERURL:
-      has_custom_referrer_url_ = true;
-      custom_referrer_url_ = value;
-      return true;
-    case PP_URLREQUESTPROPERTY_CUSTOMCONTENTTRANSFERENCODING:
-      has_custom_content_transfer_encoding_ = true;
-      custom_content_transfer_encoding_ = value;
-      return true;
-    default:
-      return false;
-  }
-}
 
 }  // namespace ppapi
 }  // namespace webkit