content/public/common/common_param_traits.cc

   1 // Copyright (c) 2012 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 #include "content/public/common/common_param_traits.h"
   6
   7 #include <string>
   8
   9 #include "content/public/common/content_constants.h"
  10 #include "content/public/common/page_state.h"
  11 #include "content/public/common/referrer.h"
  12 #include "content/public/common/url_utils.h"
  13 #include "net/base/host_port_pair.h"
  14 #include "net/base/ip_endpoint.h"
  15
  16 namespace IPC {
  17
  18 void ParamTraits<GURL>::Write(Message* m, const GURL& p) {
  19   DCHECK(p.possibly_invalid_spec().length() <= content::GetMaxURLChars());
  20
  21   // Beware of print-parse inconsistency which would change an invalid
  22   // URL into a valid one. Ideally, the message would contain this flag
  23   // so that the read side could make the check, but performing it here
  24   // avoids changing the on-the-wire representation of such a fundamental
  25   // type as GURL. See https://crbug.com/166486 for additional work in
  26   // this area.
  27   if (!p.is_valid()) {
  28     m->WriteString(std::string());
  29     return;
  30   }
  31
  32   m->WriteString(p.possibly_invalid_spec());
  33   // TODO(brettw) bug 684583: Add encoding for query params.
  34 }
  35
  36 bool ParamTraits<GURL>::Read(const Message* m, PickleIterator* iter, GURL* p) {
  37   std::string s;
  38   if (!m->ReadString(iter, &s) || s.length() > content::GetMaxURLChars()) {
  39     *p = GURL();
  40     return false;
  41   }
  42   *p = GURL(s);
  43   if (!s.empty() && !p->is_valid()) {
  44     *p = GURL();
  45     return false;
  46   }
  47   return true;
  48 }
  49
  50 void ParamTraits<GURL>::Log(const GURL& p, std::string* l) {
  51   l->append(p.spec());
  52 }
  53
  54 void ParamTraits<url::Origin>::Write(Message* m,
  55                                           const url::Origin& p) {
  56   m->WriteString(p.string());
  57 }
  58
  59 bool ParamTraits<url::Origin>::Read(const Message* m,
  60                                     PickleIterator* iter,
  61                                     url::Origin* p) {
  62   std::string s;
  63   if (!m->ReadString(iter, &s)) {
  64     *p = url::Origin();
  65     return false;
  66   }
  67   *p = url::Origin(s);
  68   return true;
  69 }
  70
  71 void ParamTraits<url::Origin>::Log(const url::Origin& p, std::string* l) {
  72   l->append(p.string());
  73 }
  74
  75 void ParamTraits<net::HostPortPair>::Write(Message* m, const param_type& p) {
  76   WriteParam(m, p.host());
  77   WriteParam(m, p.port());
  78 }
  79
  80 bool ParamTraits<net::HostPortPair>::Read(const Message* m,
  81                                           PickleIterator* iter,
  82                                           param_type* r) {
  83   std::string host;
  84   uint16 port;
  85   if (!ReadParam(m, iter, &host) || !ReadParam(m, iter, &port))
  86     return false;
  87
  88   r->set_host(host);
  89   r->set_port(port);
  90   return true;
  91 }
  92
  93 void ParamTraits<net::HostPortPair>::Log(const param_type& p, std::string* l) {
  94   l->append(p.ToString());
  95 }
  96
  97 void ParamTraits<net::IPEndPoint>::Write(Message* m, const param_type& p) {
  98   WriteParam(m, p.address());
  99   WriteParam(m, p.port());
 100 }
 101
 102 bool ParamTraits<net::IPEndPoint>::Read(const Message* m, PickleIterator* iter,
 103                                         param_type* p) {
 104   net::IPAddressNumber address;
 105   int port;
 106   if (!ReadParam(m, iter, &address) || !ReadParam(m, iter, &port))
 107     return false;
 108   if (address.size() &&
 109       address.size() != net::kIPv4AddressSize &&
 110       address.size() != net::kIPv6AddressSize) {
 111     return false;
 112   }
 113   *p = net::IPEndPoint(address, port);
 114   return true;
 115 }
 116
 117 void ParamTraits<net::IPEndPoint>::Log(const param_type& p, std::string* l) {
 118   LogParam("IPEndPoint:" + p.ToString(), l);
 119 }
 120
 121 void ParamTraits<content::PageState>::Write(
 122     Message* m, const param_type& p) {
 123   WriteParam(m, p.ToEncodedData());
 124 }
 125
 126 bool ParamTraits<content::PageState>::Read(
 127     const Message* m, PickleIterator* iter, param_type* r) {
 128   std::string data;
 129   if (!ReadParam(m, iter, &data))
 130     return false;
 131   *r = content::PageState::CreateFromEncodedData(data);
 132   return true;
 133 }
 134
 135 void ParamTraits<content::PageState>::Log(
 136     const param_type& p, std::string* l) {
 137   l->append("(");
 138   LogParam(p.ToEncodedData(), l);
 139   l->append(")");
 140 }
 141
 142 }  // namespace IPC
 143
 144 // Generate param traits write methods.
 145 #include "ipc/param_traits_write_macros.h"
 146 namespace IPC {
 147 #undef CONTENT_PUBLIC_COMMON_COMMON_PARAM_TRAITS_MACROS_H_
 148 #include "content/public/common/common_param_traits_macros.h"
 149 }  // namespace IPC
 150
 151 // Generate param traits read methods.
 152 #include "ipc/param_traits_read_macros.h"
 153 namespace IPC {
 154 #undef CONTENT_PUBLIC_COMMON_COMMON_PARAM_TRAITS_MACROS_H_
 155 #include "content/public/common/common_param_traits_macros.h"
 156 }  // namespace IPC
 157
 158 // Generate param traits log methods.
 159 #include "ipc/param_traits_log_macros.h"
 160 namespace IPC {
 161 #undef CONTENT_PUBLIC_COMMON_COMMON_PARAM_TRAITS_MACROS_H_
 162 #include "content/public/common/common_param_traits_macros.h"
 163 }  // namespace IPC