root/extensions/common/extension_messages.cc

DEFINITIONS

1. creation_flags
2. creation_flags
3. ConvertToExtension
4. Write
5. Read
6. Log
7. Write
8. Read
9. Log
10. Write
11. Read
12. Log
13. Write
14. Read
15. Log
16. Write
17. Read
18. Log
19. Write
20. Read
21. Log

// Copyright 2014 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 "extensions/common/extension_messages.h"

#include "content/public/common/common_param_traits.h"
#include "extensions/common/extension.h"
#include "extensions/common/manifest.h"
#include "extensions/common/manifest_handler.h"
#include "extensions/common/permissions/permissions_data.h"
#include "extensions/common/permissions/permissions_info.h"

using extensions::APIPermission;
using extensions::APIPermissionInfo;
using extensions::APIPermissionSet;
using extensions::Extension;
using extensions::Manifest;
using extensions::ManifestHandler;
using extensions::ManifestPermission;
using extensions::ManifestPermissionSet;
using extensions::PermissionSet;
using extensions::URLPatternSet;

ExtensionMsg_Loaded_Params::ExtensionMsg_Loaded_Params()
    : location(Manifest::INVALID_LOCATION),
      creation_flags(Extension::NO_FLAGS){}

ExtensionMsg_Loaded_Params::~ExtensionMsg_Loaded_Params() {}

ExtensionMsg_Loaded_Params::ExtensionMsg_Loaded_Params(
    const Extension* extension)
    : manifest(extension->manifest()->value()->DeepCopy()),
      location(extension->location()),
      path(extension->path()),
      apis(extension->GetActivePermissions()->apis()),
      manifest_permissions(
          extension->GetActivePermissions()->manifest_permissions()),
      explicit_hosts(extension->GetActivePermissions()->explicit_hosts()),
      scriptable_hosts(extension->GetActivePermissions()->scriptable_hosts()),
      id(extension->id()),
      creation_flags(extension->creation_flags()) {
}

scoped_refptr<Extension> ExtensionMsg_Loaded_Params::ConvertToExtension(
    std::string* error) const {
  scoped_refptr<Extension> extension =
      Extension::Create(path, location, *manifest, creation_flags, error);
  if (extension.get()) {
    extensions::PermissionsData::SetActivePermissions(
        extension.get(),
        new PermissionSet(apis, manifest_permissions,
                          explicit_hosts, scriptable_hosts));
  }
  return extension;
}

namespace IPC {

template <>
struct ParamTraits<Manifest::Location> {
  typedef Manifest::Location param_type;
  static void Write(Message* m, const param_type& p) {
    int val = static_cast<int>(p);
    WriteParam(m, val);
  }
  static bool Read(const Message* m, PickleIterator* iter, param_type* p) {
    int val = 0;
    if (!ReadParam(m, iter, &val) ||
        val < Manifest::INVALID_LOCATION ||
        val >= Manifest::NUM_LOCATIONS)
      return false;
    *p = static_cast<param_type>(val);
    return true;
  }
  static void Log(const param_type& p, std::string* l) {
    ParamTraits<int>::Log(static_cast<int>(p), l);
  }
};

void ParamTraits<URLPattern>::Write(Message* m, const param_type& p) {
  WriteParam(m, p.valid_schemes());
  WriteParam(m, p.GetAsString());
}

bool ParamTraits<URLPattern>::Read(const Message* m, PickleIterator* iter,
                                   param_type* p) {
  int valid_schemes;
  std::string spec;
  if (!ReadParam(m, iter, &valid_schemes) ||
      !ReadParam(m, iter, &spec))
    return false;

  // TODO(jstritar): We don't want the URLPattern to fail parsing when the
  // scheme is invalid. Instead, the pattern should parse but it should not
  // match the invalid patterns. We get around this by setting the valid
  // schemes after parsing the pattern. Update these method calls once we can
  // ignore scheme validation with URLPattern parse options. crbug.com/90544
  p->SetValidSchemes(URLPattern::SCHEME_ALL);
  URLPattern::ParseResult result = p->Parse(spec);
  p->SetValidSchemes(valid_schemes);
  return URLPattern::PARSE_SUCCESS == result;
}

void ParamTraits<URLPattern>::Log(const param_type& p, std::string* l) {
  LogParam(p.GetAsString(), l);
}

void ParamTraits<URLPatternSet>::Write(Message* m, const param_type& p) {
  WriteParam(m, p.patterns());
}

bool ParamTraits<URLPatternSet>::Read(const Message* m, PickleIterator* iter,
                                        param_type* p) {
  std::set<URLPattern> patterns;
  if (!ReadParam(m, iter, &patterns))
    return false;

  for (std::set<URLPattern>::iterator i = patterns.begin();
       i != patterns.end(); ++i)
    p->AddPattern(*i);
  return true;
}

void ParamTraits<URLPatternSet>::Log(const param_type& p, std::string* l) {
  LogParam(p.patterns(), l);
}

void ParamTraits<APIPermission::ID>::Write(
    Message* m, const param_type& p) {
  WriteParam(m, static_cast<int>(p));
}

bool ParamTraits<APIPermission::ID>::Read(
    const Message* m, PickleIterator* iter, param_type* p) {
  int api_id = -2;
  if (!ReadParam(m, iter, &api_id))
    return false;

  *p = static_cast<APIPermission::ID>(api_id);
  return true;
}

void ParamTraits<APIPermission::ID>::Log(
    const param_type& p, std::string* l) {
  LogParam(static_cast<int>(p), l);
}

void ParamTraits<APIPermissionSet>::Write(
    Message* m, const param_type& p) {
  APIPermissionSet::const_iterator it = p.begin();
  const APIPermissionSet::const_iterator end = p.end();
  WriteParam(m, p.size());
  for (; it != end; ++it) {
    WriteParam(m, it->id());
    it->Write(m);
  }
}

bool ParamTraits<APIPermissionSet>::Read(
    const Message* m, PickleIterator* iter, param_type* r) {
  size_t size;
  if (!ReadParam(m, iter, &size))
    return false;
  for (size_t i = 0; i < size; ++i) {
    APIPermission::ID id;
    if (!ReadParam(m, iter, &id))
      return false;
    const APIPermissionInfo* permission_info =
      extensions::PermissionsInfo::GetInstance()->GetByID(id);
    if (!permission_info)
      return false;
    scoped_ptr<APIPermission> p(permission_info->CreateAPIPermission());
    if (!p->Read(m, iter))
      return false;
    r->insert(p.release());
  }
  return true;
}

void ParamTraits<APIPermissionSet>::Log(
    const param_type& p, std::string* l) {
  LogParam(p.map(), l);
}

void ParamTraits<ManifestPermissionSet>::Write(
    Message* m, const param_type& p) {
  ManifestPermissionSet::const_iterator it = p.begin();
  const ManifestPermissionSet::const_iterator end = p.end();
  WriteParam(m, p.size());
  for (; it != end; ++it) {
    WriteParam(m, it->name());
    it->Write(m);
  }
}

bool ParamTraits<ManifestPermissionSet>::Read(
    const Message* m, PickleIterator* iter, param_type* r) {
  size_t size;
  if (!ReadParam(m, iter, &size))
    return false;
  for (size_t i = 0; i < size; ++i) {
    std::string name;
    if (!ReadParam(m, iter, &name))
      return false;
    scoped_ptr<ManifestPermission> p(ManifestHandler::CreatePermission(name));
    if (!p)
      return false;
    if (!p->Read(m, iter))
      return false;
    r->insert(p.release());
  }
  return true;
}

void ParamTraits<ManifestPermissionSet>::Log(
    const param_type& p, std::string* l) {
  LogParam(p.map(), l);
}

void ParamTraits<ExtensionMsg_Loaded_Params>::Write(Message* m,
                                                    const param_type& p) {
  WriteParam(m, p.location);
  WriteParam(m, p.path);
  WriteParam(m, *(p.manifest));
  WriteParam(m, p.creation_flags);
  WriteParam(m, p.apis);
  WriteParam(m, p.explicit_hosts);
  WriteParam(m, p.scriptable_hosts);
}

bool ParamTraits<ExtensionMsg_Loaded_Params>::Read(const Message* m,
                                                   PickleIterator* iter,
                                                   param_type* p) {
  p->manifest.reset(new base::DictionaryValue());
  return ReadParam(m, iter, &p->location) &&
         ReadParam(m, iter, &p->path) &&
         ReadParam(m, iter, p->manifest.get()) &&
         ReadParam(m, iter, &p->creation_flags) &&
         ReadParam(m, iter, &p->apis) &&
         ReadParam(m, iter, &p->explicit_hosts) &&
         ReadParam(m, iter, &p->scriptable_hosts);
}

void ParamTraits<ExtensionMsg_Loaded_Params>::Log(const param_type& p,
                                                  std::string* l) {
  l->append(p.id);
}

}  // namespace IPC