Use volume serial number as device id
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8832d7b77b
commit
57da8908b2
1 changed files with 36 additions and 1 deletions
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@ -4,6 +4,8 @@
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#include "chrome/browser/renderer_host/pepper/pepper_flash_drm_host.h"
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#include <cmath>
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#if defined(OS_WIN)
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#include <Windows.h>
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#endif
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@ -12,12 +14,14 @@
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#include "base/compiler_specific.h"
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#include "base/logging.h"
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#include "base/memory/ref_counted.h"
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#include "base/strings/string_number_conversions.h"
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#include "build/build_config.h"
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#include "content/public/browser/browser_ppapi_host.h"
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#include "content/public/browser/browser_thread.h"
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#include "content/public/browser/child_process_security_policy.h"
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#include "content/public/browser/render_frame_host.h"
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#include "content/public/common/pepper_plugin_info.h"
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#include "net/base/net_util.h"
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#include "ppapi/c/pp_errors.h"
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#include "ppapi/host/dispatch_host_message.h"
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#include "ppapi/host/host_message_context.h"
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@ -38,7 +42,30 @@ using content::BrowserPpapiHost;
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namespace chrome {
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namespace {
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const char kVoucherFilename[] = "plugin.vch";
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#if defined(OS_WIN)
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bool GetSystemVolumeSerialNumber(std::string* number) {
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// Find the system root path (e.g: C:\).
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wchar_t system_path[MAX_PATH + 1];
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if (!GetSystemDirectoryW(system_path, MAX_PATH))
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return false;
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wchar_t* first_slash = wcspbrk(system_path, L"\\/");
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if (first_slash != NULL)
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*(first_slash + 1) = 0;
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DWORD number_local = 0;
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if (!GetVolumeInformationW(system_path, NULL, 0, &number_local, NULL, NULL,
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NULL, 0))
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return false;
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*number = base::IntToString(std::abs(static_cast<int>(number_local)));
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return true;
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}
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#endif
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}
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#if defined(OS_WIN)
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@ -149,7 +176,15 @@ int32_t PepperFlashDRMHost::OnResourceMessageReceived(
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int32_t PepperFlashDRMHost::OnHostMsgGetDeviceID(
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ppapi::host::HostMessageContext* context) {
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context->reply_msg = PpapiPluginMsg_FlashDRM_GetDeviceIDReply("");
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static std::string id;
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#if defined(OS_WIN)
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if (id.empty() && !GetSystemVolumeSerialNumber(&id))
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id = net::GetHostName();
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#else
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if (id.empty())
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id = net::GetHostName();
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#endif
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context->reply_msg = PpapiPluginMsg_FlashDRM_GetDeviceIDReply(id);
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return PP_OK;
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}
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