native_client_sdk/src/libraries/nacl_io/httpfs/http_fs.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef LIBRARIES_NACL_IO_HTTPFS_HTTP_FS_H_
   6 #define LIBRARIES_NACL_IO_HTTPFS_HTTP_FS_H_
   7
   8 #include <string>
   9 #include "nacl_io/filesystem.h"
  10 #include "nacl_io/pepper_interface.h"
  11 #include "nacl_io/typed_fs_factory.h"
  12
  13 namespace nacl_io {
  14
  15 std::string NormalizeHeaderKey(const std::string& s);
  16
  17 class HttpFs : public Filesystem {
  18  public:
  19   typedef std::map<std::string, ScopedNode> NodeMap_t;
  20
  21   virtual Error OpenWithMode(const Path& path, int open_flags, mode_t mode,
  22                              ScopedNode* out_node);
  23   virtual Error Unlink(const Path& path);
  24   virtual Error Mkdir(const Path& path, int permissions);
  25   virtual Error Rmdir(const Path& path);
  26   virtual Error Remove(const Path& path);
  27   virtual Error Rename(const Path& path, const Path& newpath);
  28
  29   PP_Resource MakeUrlRequestInfo(const std::string& url,
  30                                  const char* method,
  31                                  StringMap_t* additional_headers);
  32
  33  protected:
  34   HttpFs();
  35
  36   virtual Error Init(const FsInitArgs& args);
  37   virtual void Destroy();
  38   ScopedNode FindExistingNode(const Path& path);
  39   Error FindOrCreateDir(const Path& path, ScopedNode* out_node);
  40   Error LoadManifest(const std::string& path, char** out_manifest);
  41   Error ParseManifest(const char* text);
  42
  43   NodeMap_t* GetNodeCacheForTesting() { return &node_cache_; }
  44
  45  private:
  46
  47   // Gets the URL to fetch for |path|.
  48   // |path| is relative to the mount point for the HTTP filesystem.
  49   std::string MakeUrl(const Path& path);
  50
  51   std::string url_root_;
  52   StringMap_t headers_;
  53   NodeMap_t node_cache_;
  54   bool allow_cors_;
  55   bool allow_credentials_;
  56   bool cache_stat_;
  57   bool cache_content_;
  58   bool is_blob_url_;
  59
  60   friend class TypedFsFactory<HttpFs>;
  61   friend class HttpFsNode;
  62 };
  63
  64 }  // namespace nacl_io
  65
  66 #endif  // LIBRARIES_NACL_IO_HTTPFS_HTTP_FS_H_